/* roulang page: index */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: 'PingFang SC', '汉仪旗黑', 'Segoe UI', 'Microsoft YaHei', sans-serif;
            font-weight: 700;
            line-height: 1.25;
            margin-top: 0;
        }

        h1 {
            font-size: var(--font-h1);
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: var(--font-h3);
            font-weight: 600;
        }
        h4 {
            font-size: var(--font-h4);
            font-weight: 600;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }

        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }

        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }

        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }

        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }
        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }
        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-main .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.5rem 1.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .navbar-main .btn-nav-cta:hover {
            filter: brightness(1.1);
            transform: scale(1.03);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
            background: rgba(255, 255, 255, 0.1);
        }
        .navbar-main.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, 0.2);
            background: transparent;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-main.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,30,30,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                background: rgba(30, 30, 30, 0.95);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
            }
            .navbar-main.scrolled .navbar-collapse {
                background: #ffffff;
                box-shadow: var(--shadow-card-hover);
            }
            .navbar-main.scrolled .nav-link {
                color: var(--deep-charcoal);
            }
            .navbar-main .nav-link {
                color: #fff;
                padding: 0.6rem 1rem;
            }
            .navbar-main.scrolled .nav-link:hover {
                background: rgba(255, 78, 80, 0.06);
                color: #FF4E50;
            }
        }

        /* ========== Hero Section ========== */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-gradient);
            background-image: linear-gradient(135deg, rgba(255, 78, 80, 0.92) 0%, rgba(249, 212, 35, 0.88) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 7rem 1.5rem 4rem;
            text-align: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 160, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-badge);
            padding: 0.4rem 1.2rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
        }

        .hero-title {
            color: #fff;
            font-size: var(--font-h1);
            font-weight: 800;
            margin-bottom: 1.25rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            line-height: 1.2;
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.92);
            font-size: 1.2rem;
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-search-wrap {
            position: relative;
            max-width: 560px;
            margin: 0 auto 2rem;
        }
        .hero-search-input {
            width: 100%;
            padding: 1rem 1.5rem;
            padding-right: 4rem;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 1.05rem;
            outline: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }
        .hero-search-input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-search-input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.3);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
        }
        .hero-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--brand-gradient);
            border: none;
            color: #fff;
            border-radius: 50%;
            width: 44px;
            height: 44px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-search-btn:hover {
            filter: brightness(1.12);
            transform: translateY(-50%) scale(1.06);
            box-shadow: 0 4px 16px rgba(255, 78, 80, 0.4);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.6rem;
            margin-bottom: 2rem;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-badge);
            padding: 0.45rem 1.2rem;
            color: #fff;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .hero-tag:hover {
            background: rgba(255, 255, 255, 0.35);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn-primary-custom {
            background: #fff;
            color: #FF4E50;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.8rem 2.2rem;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .btn-primary-custom:hover {
            transform: scale(1.04);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
            background: #fffefc;
            color: #e84446;
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            padding: 0.8rem 2.2rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: #fff;
            color: #FF4E50;
            border-color: #fff;
            transform: scale(1.04);
        }

        .hero-data-badge {
            position: absolute;
            bottom: 2rem;
            right: 2rem;
            background: var(--accent-green);
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 0.7rem 1.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: 0 8px 28px rgba(0, 229, 160, 0.35);
            z-index: 3;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            animation: floatBadge 3s ease-in-out infinite;
        }
        @keyframes floatBadge {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }
        .hero-data-badge .badge-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #fff;
            animation: pulseDot 1.5s ease-in-out infinite;
        }
        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }

        /* ========== Section 通用 ========== */
        .section-block {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 0.75rem;
            color: var(--deep-charcoal);
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 650px;
            margin: 0 auto 3rem;
            line-height: 1.7;
        }
        .section-label {
            display: inline-block;
            background: linear-gradient(135deg, rgba(255, 78, 80, 0.1) 0%, rgba(249, 212, 35, 0.1) 100%);
            color: #FF4E50;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-badge);
            margin-bottom: 0.5rem;
            letter-spacing: 0.04em;
        }

        /* ========== 卖点三连 ========== */
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            text-align: center;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 78, 80, 0.2);
        }
        .feature-icon-circle {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.8rem;
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.25);
        }
        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: var(--deep-charcoal);
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 场景演示 ========== */
        .scene-demo-block {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
        }
        .scene-demo-block .scene-img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .scene-demo-body {
            padding: 2rem;
        }
        .scene-demo-body h3 {
            color: var(--deep-charcoal);
            margin-bottom: 0.75rem;
        }
        .scene-demo-body p {
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== 痛点共鸣 ========== */
        .pain-point-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(6px);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .pain-point-card:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-card);
            border-color: rgba(255, 78, 80, 0.25);
        }
        .pain-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 78, 80, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #FF4E50;
        }
        .pain-point-card h4 {
            font-size: 1rem;
            margin-bottom: 0.3rem;
            color: var(--deep-charcoal);
        }
        .pain-point-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== 解决方案 ========== */
        .solution-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-glass);
            transition: all var(--transition-smooth);
            height: 100%;
            text-align: center;
        }
        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(249, 212, 35, 0.4);
        }
        .solution-card .sol-icon {
            font-size: 2.5rem;
            margin-bottom: 1.25rem;
        }
        .solution-card h3 {
            font-size: 1.3rem;
            color: var(--deep-charcoal);
            margin-bottom: 0.75rem;
        }
        .solution-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ========== 数据成果 ========== */
        .stats-section {
            background: var(--deep-charcoal);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(0, 229, 160, 0.1) 0%, transparent 55%);
            pointer-events: none;
        }
        .stat-badge-large {
            text-align: center;
            color: #fff;
            padding: 1.5rem;
        }
        .stat-number {
            font-size: 3.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            font-weight: 500;
        }

        /* ========== 社会认同 ========== */
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        .trust-item {
            text-align: center;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
            filter: grayscale(30%);
        }
        .trust-item:hover {
            opacity: 1;
            filter: grayscale(0%);
        }
        .trust-stars {
            color: #F9D423;
            font-size: 1.4rem;
            letter-spacing: 0.15em;
        }
        .trust-count {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--deep-charcoal);
        }

        /* ========== 客户证言 ========== */
        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .testimonial-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid rgba(255, 78, 80, 0.2);
        }
        .testimonial-card .quote-text {
            font-style: italic;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }
        .testimonial-author {
            font-weight: 700;
            color: var(--deep-charcoal);
            font-size: 0.95rem;
        }
        .testimonial-role {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ========== 资讯区 ========== */
        .news-list-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-list-item:hover {
            background: rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            padding-left: 0.75rem;
            padding-right: 0.75rem;
            margin-left: -0.75rem;
            margin-right: -0.75rem;
        }
        .news-date-badge {
            flex-shrink: 0;
            background: var(--brand-gradient);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.8rem;
            text-align: center;
            font-weight: 700;
            font-size: 0.85rem;
            line-height: 1.3;
            min-width: 70px;
        }
        .news-content h4 {
            font-size: 1.05rem;
            margin-bottom: 0.35rem;
            color: var(--deep-charcoal);
            font-weight: 600;
        }
        .news-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
            line-height: 1.5;
        }
        .news-content .btn-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: #FF4E50;
            padding: 0;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-content .btn-read-more:hover {
            color: #e84446;
            text-decoration: underline;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-block {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            margin-bottom: 2.5rem;
        }
        .deep-content-img {
            width: 100%;
            height: 100%;
            min-height: 350px;
            object-fit: cover;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }
        @media (max-width: 767.98px) {
            .deep-content-img {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                min-height: 240px;
            }
        }
        .deep-content-body {
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .deep-content-body h3 {
            color: var(--deep-charcoal);
            margin-bottom: 1rem;
        }
        .deep-content-body p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        .deep-data-badge-inline {
            display: inline-block;
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 0.4rem 1rem;
            font-weight: 700;
            font-size: 0.9rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-block {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 3rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .brand-intro-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: var(--brand-gradient);
            opacity: 0.08;
            pointer-events: none;
        }
        .brand-intro-block h3 {
            color: var(--deep-charcoal);
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .brand-intro-block p {
            color: var(--text-secondary);
            line-height: 1.9;
            position: relative;
            z-index: 1;
            margin-bottom: 0.75rem;
        }

        /* ========== 热门专题 ========== */
        .topic-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
        }
        .topic-tag-pill {
            display: inline-block;
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-badge);
            padding: 0.6rem 1.4rem;
            font-weight: 500;
            color: var(--text-primary);
            transition: all var(--transition-smooth);
            cursor: pointer;
            font-size: 0.95rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .topic-tag-pill:hover {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255, 78, 80, 0.25);
        }

        /* ========== 内容预告 ========== */
        .teaser-timeline-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            height: 100%;
            border-left: 4px solid #FF4E50;
        }
        .teaser-timeline-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .teaser-timeline-card .teaser-date {
            font-weight: 700;
            color: #FF4E50;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        .teaser-timeline-card h4 {
            font-size: 1.1rem;
            color: var(--deep-charcoal);
            margin-bottom: 0.5rem;
        }
        .teaser-timeline-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ========== 转化表单 ========== */
        .cta-form-section {
            background: var(--brand-gradient);
            border-radius: var(--radius-card);
            padding: 3.5rem 2.5rem;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(255, 78, 80, 0.2);
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }
        .cta-form-section h3 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }
        .cta-form-section p {
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            z-index: 1;
            margin-bottom: 1.5rem;
        }
        .cta-form-input {
            width: 100%;
            padding: 0.9rem 1.5rem;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
        }
        .cta-form-input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .cta-form-input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.3);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .btn-cta-submit {
            background: #fff;
            color: #FF4E50;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.9rem 2.5rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            white-space: nowrap;
        }
        .btn-cta-submit:hover {
            transform: scale(1.04);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            background: #fffefc;
        }

        /* ========== 最终CTA ========== */
        .final-cta-section {
            background: var(--deep-charcoal);
            background-image: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(40, 40, 40, 0.9) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: var(--spacing-section) 0;
            text-align: center;
            position: relative;
        }
        .final-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(0, 229, 160, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .final-cta-section h2 {
            color: #fff;
            position: relative;
            z-index: 1;
            margin-bottom: 1rem;
        }
        .final-cta-section p {
            color: rgba(255, 255, 255, 0.8);
            position: relative;
            z-index: 1;
            font-size: 1.15rem;
            margin-bottom: 2rem;
        }
        .final-cta-section .btn-primary-custom {
            position: relative;
            z-index: 1;
            font-size: 1.1rem;
            padding: 0.9rem 2.8rem;
        }

        /* ========== Footer ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 2rem;
        }
        .footer-main h5 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
        }
        .footer-main a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.9rem;
            line-height: 2;
        }
        .footer-main a:hover {
            color: #F9D423;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: #F9D423;
        }
        .footer-social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            margin-right: 0.5rem;
            transition: all var(--transition-fast);
            font-size: 1rem;
        }
        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
        }
        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
            .hero-data-badge {
                bottom: 1rem;
                right: 1rem;
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }
            .hero-section {
                min-height: 80vh;
                padding: 6rem 1rem 3rem;
            }
            .stat-number {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
            .hero-section {
                min-height: 70vh;
                padding: 5rem 1rem 2.5rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-search-input {
                font-size: 0.9rem;
                padding: 0.75rem 1rem;
                padding-right: 3.5rem;
            }
            .hero-tag {
                font-size: 0.8rem;
                padding: 0.35rem 0.9rem;
            }
            .hero-data-badge {
                position: static;
                margin: 1rem auto 0;
                display: inline-flex;
                animation: none;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 2rem;
            }
            .feature-card,
            .solution-card,
            .testimonial-card {
                padding: 1.75rem 1.25rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .brand-intro-block {
                padding: 2rem 1.5rem;
            }
            .cta-form-section {
                padding: 2.5rem 1.5rem;
            }
            .deep-content-body {
                padding: 1.5rem;
            }
            .footer-main {
                padding: 3rem 0 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .navbar-main .btn-nav-cta {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
            .hero-section {
                min-height: 60vh;
                padding: 4.5rem 0.75rem 2rem;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                text-align: center;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .news-list-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .news-date-badge {
                align-self: flex-start;
            }
        }

/* roulang page: category2 */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }

        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }

        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }

        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }

        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }

        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 20px;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }

        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--brand-gradient-hover);
            color: #fff;
            transform: scale(1.04);
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-main.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, 0.2);
        }

        .navbar-main.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,30,30,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding: 1.2rem 0;
            background: #fff;
            border-bottom: 1px solid var(--border-subtle);
            margin-top: 66px;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            font-size: 0.9rem;
        }

        .breadcrumb-bar .breadcrumb-item a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-bar .breadcrumb-item a:hover {
            color: #FF4E50;
        }

        .breadcrumb-bar .breadcrumb-item.active {
            color: #FF4E50;
            font-weight: 600;
        }

        /* ========== Hero 分类横幅 ========== */
        .hero-category {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: var(--brand-gradient);
            overflow: hidden;
            padding: 3rem 0;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.35);
            z-index: 1;
        }

        .hero-category .hero-bg-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .hero-category .category-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 0.4rem 1.2rem;
            border-radius: var(--radius-badge);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            color: #fff;
        }

        .hero-category h1 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h1);
            line-height: 1.2;
            margin-bottom: 1rem;
            color: #fff;
        }

        .hero-category .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            opacity: 0.9;
            max-width: 600px;
            margin-bottom: 1.5rem;
        }

        /* 倒计时模块 */
        .countdown-box {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            margin-bottom: 1.8rem;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-md);
            padding: 1rem 1.4rem;
            text-align: center;
            min-width: 72px;
            transition: all var(--transition-fast);
        }

        .countdown-item .countdown-number {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1;
            color: #fff;
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
        }

        .countdown-item .countdown-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 0.3rem;
            letter-spacing: 0.03em;
        }

        .btn-hero-primary {
            background: #fff;
            color: #FF4E50;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.75rem 2.2rem;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
        }

        .btn-hero-primary:hover {
            background: #fff;
            color: #e63e40;
            transform: scale(1.04);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            padding: 0.7rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            margin-left: 0.8rem;
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: scale(1.04);
        }

        .hero-live-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #ff2d2d;
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-badge);
            font-size: 0.8rem;
            font-weight: 700;
            animation: pulse-live 1.5s infinite;
            margin-bottom: 1rem;
        }

        @keyframes pulse-live {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 45, 45, 0.6);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 45, 45, 0);
            }
        }

        .hero-live-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #fff;
            animation: blink-dot 0.8s infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* ========== 数据徽章条 ========== */
        .stats-strip {
            background: var(--deep-charcoal);
            padding: 2.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-strip::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 78, 80, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .stat-badge-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .stat-badge-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
        }

        .stat-badge-item .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-top: 0.4rem;
            letter-spacing: 0.02em;
        }

        .stat-badge-item .stat-icon {
            font-size: 1.6rem;
            color: var(--accent-green);
            margin-bottom: 0.5rem;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-block.bg-white {
            background: #fff;
        }

        .section-block.bg-warm {
            background: var(--bg-warm);
        }

        .section-block.bg-dark {
            background: var(--deep-charcoal);
            color: #fff;
        }

        .section-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: var(--font-h2);
            line-height: 1.3;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }

        .bg-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 650px;
            line-height: 1.7;
        }

        .bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== 卡片 ========== */
        .card-basketball {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card-basketball:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .card-basketball .card-img-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .card-basketball .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card-basketball:hover .card-img-wrapper img {
            transform: scale(1.06);
        }

        .card-basketball .card-img-wrapper .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-gradient);
            color: #fff;
            padding: 0.25rem 0.9rem;
            border-radius: var(--radius-badge);
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.03em;
        }

        .card-basketball .card-img-wrapper .card-date-badge {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            z-index: 2;
            backdrop-filter: blur(4px);
        }

        .card-basketball .card-body-content {
            padding: 1.4rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-basketball .card-body-content h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.4;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-basketball .card-body-content .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.8rem;
        }

        .card-basketball .card-body-content .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .card-basketball .btn-read-more {
            align-self: flex-start;
            background: transparent;
            color: #FF4E50;
            border: 1.5px solid #FF4E50;
            border-radius: var(--radius-btn);
            padding: 0.4rem 1.3rem;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            margin-top: 0.6rem;
        }

        .card-basketball .btn-read-more:hover {
            background: #FF4E50;
            color: #fff;
            border-color: #FF4E50;
        }

        /* ========== 深度分析区块 ========== */
        .deep-analysis-block {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            align-items: stretch;
        }

        .deep-analysis-block .analysis-image {
            flex: 0 0 48%;
            min-height: 380px;
            position: relative;
            overflow: hidden;
        }

        .deep-analysis-block .analysis-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .deep-analysis-block .analysis-text {
            flex: 1;
            padding: 2.5rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .deep-analysis-block .analysis-text h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: var(--font-h3);
            margin-bottom: 0.8rem;
            line-height: 1.3;
        }

        .deep-analysis-block .analysis-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .deep-analysis-block .analysis-text .highlight-stat {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent-green);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-badge);
            font-weight: 700;
            font-size: 0.9rem;
            margin-right: 0.6rem;
            margin-bottom: 0.5rem;
        }

        /* ========== 不对称Grid区块 ========== */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 5fr 4fr;
            gap: 2rem;
            align-items: center;
        }

        .asymmetric-grid.reverse {
            grid-template-columns: 4fr 5fr;
        }

        .asymmetric-grid .grid-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4 / 3;
        }

        .asymmetric-grid .grid-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .asymmetric-grid .grid-text h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: var(--font-h3);
            margin-bottom: 0.8rem;
            line-height: 1.3;
        }

        .asymmetric-grid .grid-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 1.8rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .testimonial-card .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 0.8rem;
        }

        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section .accordion-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }

        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.4rem;
            color: var(--text-primary);
            background: #fff;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none;
        }

        .faq-section .accordion-button:not(.collapsed) {
            color: #FF4E50;
            background: #fff;
            box-shadow: none;
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 78, 80, 0.12);
            border-color: rgba(255, 78, 80, 0.3);
        }

        .faq-section .accordion-body {
            padding: 1rem 1.4rem 1.4rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: var(--brand-gradient);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.3);
            z-index: 1;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .cta-section h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h2);
            margin-bottom: 0.8rem;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 1.8rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-cta-large {
            background: #fff;
            color: #FF4E50;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.85rem 2.8rem;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            display: inline-block;
        }

        .btn-cta-large:hover {
            background: #fff;
            color: #e63e40;
            transform: scale(1.05);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
        }

        .btn-cta-outline-large {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            padding: 0.8rem 2.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            margin-left: 1rem;
        }

        .btn-cta-outline-large:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: scale(1.05);
        }

        /* ========== 页脚 ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: #fff;
            padding: 3.5rem 0 0;
        }

        .footer-main h5 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            color: #fff;
        }

        .footer-main ul li {
            margin-bottom: 0.6rem;
        }

        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-main ul li a:hover {
            color: #F9D423;
        }

        .footer-social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1.2rem;
        }

        .footer-social-icons a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }

        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 1rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #F9D423;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .hero-category {
                min-height: 400px;
                padding: 2rem 0;
            }
            .countdown-item {
                min-width: 56px;
                padding: 0.7rem 1rem;
            }
            .countdown-item .countdown-number {
                font-size: 1.6rem;
            }
            .asymmetric-grid,
            .asymmetric-grid.reverse {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .asymmetric-grid.reverse .grid-image {
                order: -1;
            }
            .deep-analysis-block .analysis-image {
                flex: 0 0 100%;
                min-height: 260px;
            }
            .deep-analysis-block .analysis-text {
                padding: 1.8rem 1.4rem;
            }
            .stats-strip .row>div {
                margin-bottom: 1.5rem;
            }
            .btn-hero-outline {
                margin-left: 0;
                margin-top: 0.6rem;
            }
            .btn-cta-outline-large {
                margin-left: 0;
                margin-top: 0.8rem;
            }
        }

        @media (max-width: 767.98px) {
            .hero-category {
                min-height: 340px;
                text-align: center;
            }
            .hero-category .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .countdown-box {
                justify-content: center;
            }
            .hero-category .d-flex.gap-2 {
                justify-content: center;
                flex-wrap: wrap;
            }
            .stats-strip {
                padding: 1.8rem 0;
            }
            .stat-badge-item .stat-number {
                font-size: 1.8rem;
            }
            .section-block {
                padding: var(--spacing-section-mobile) 0;
            }
            .card-basketball .card-body-content {
                padding: 1rem 1rem;
            }
            .cta-section {
                padding: 2.5rem 0;
            }
            .footer-main {
                padding: 2.5rem 0 0;
            }
            .navbar-main {
                padding: 0.5rem 0;
            }
            .breadcrumb-bar {
                margin-top: 56px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-category {
                min-height: 300px;
            }
            .countdown-item {
                min-width: 48px;
                padding: 0.5rem 0.7rem;
            }
            .countdown-item .countdown-number {
                font-size: 1.3rem;
            }
            .countdown-item .countdown-label {
                font-size: 0.65rem;
            }
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .stat-badge-item .stat-number {
                font-size: 1.5rem;
            }
            .testimonial-card {
                padding: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
        }
        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
        }
        @media (max-width: 575.98px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }
        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }
        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }
        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }
        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }
        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }
        .navbar-main.scrolled .nav-link::after {
            background: #FF4E50;
        }
        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff !important;
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.03);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 8px;
            padding: 0.4rem 0.6rem;
        }
        .navbar-main.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, 0.2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-main.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,30,30,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== 分类横幅 ========== */
        .category-banner {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: var(--brand-gradient);
            overflow: hidden;
            padding-top: 5rem;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.35);
            z-index: 1;
        }
        .category-banner-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .category-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 3rem 0;
        }
        .category-breadcrumb {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            flex-wrap: wrap;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .category-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .category-breadcrumb a:hover {
            color: #fff;
        }
        .category-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.5);
        }
        .category-banner h1 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h1);
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .category-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
            line-height: 1.8;
        }
        .banner-data-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent-green);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 0.5rem 1.2rem;
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 1.5rem;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(0, 229, 160, 0);
            }
        }

        /* ========== 子分类标签栏 ========== */
        .subcategory-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.8rem 0;
            position: sticky;
            top: 68px;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .subcategory-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .subcategory-tag {
            display: inline-block;
            padding: 0.4rem 1.1rem;
            border-radius: var(--radius-badge);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-warm);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .subcategory-tag:hover,
        .subcategory-tag.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(255, 78, 80, 0.25);
        }

        /* ========== 文章卡片网格 ========== */
        .articles-section {
            padding: var(--spacing-section) 0;
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-subtle);
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .article-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .article-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .article-card h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .article-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }
        .article-card .btn-read-more {
            align-self: flex-start;
            background: transparent;
            border: 1.5px solid #FF4E50;
            color: #FF4E50;
            border-radius: var(--radius-btn);
            padding: 0.45rem 1.3rem;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .article-card .btn-read-more:hover {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(255, 78, 80, 0.3);
        }
        .article-card-tag {
            display: inline-block;
            background: rgba(255, 78, 80, 0.08);
            color: #FF4E50;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-badge);
            margin-bottom: 0.7rem;
            align-self: flex-start;
        }

        /* ========== 精选大卡 ========== */
        .featured-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: row;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .featured-card-img {
            width: 48%;
            min-height: 320px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .featured-card-body {
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-card-body h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .featured-card-body .excerpt {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 767.98px) {
            .featured-card {
                flex-direction: column;
            }
            .featured-card-img {
                width: 100%;
                min-height: 200px;
                aspect-ratio: 16 / 9;
            }
            .featured-card-body {
                padding: 1.5rem;
            }
            .featured-card-body h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== 数据亮点横幅 ========== */
        .data-strip {
            background: var(--deep-charcoal);
            padding: 3rem 0;
            position: relative;
            overflow: hidden;
        }
        .data-strip::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 78, 80, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .data-item {
            text-align: center;
            color: #fff;
            padding: 1.5rem;
        }
        .data-number {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 2.8rem;
            font-weight: 800;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }
        .data-label {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-top: 0.4rem;
            letter-spacing: 0.03em;
        }

        /* ========== 深度专题区 ========== */
        .deep-topic {
            padding: var(--spacing-section) 0;
            background: #fff;
        }
        .deep-topic-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .deep-topic-img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        .deep-topic-content h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h3);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .deep-topic-content p {
            color: var(--text-secondary);
            line-height: 1.9;
            font-size: 1rem;
        }
        @media (max-width: 767.98px) {
            .deep-topic-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-warm);
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: #FF4E50;
        }
        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: #FF4E50;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem 1.5rem;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            padding: var(--spacing-section) 0;
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.25);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h2);
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-primary {
            background: #fff;
            color: #FF4E50;
            border-radius: var(--radius-btn);
            padding: 0.8rem 2.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: all var(--transition-smooth);
            display: inline-block;
        }
        .btn-cta-primary:hover {
            transform: scale(1.04);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            color: #FF4E50;
        }
        .btn-cta-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            padding: 0.8rem 2.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            margin-left: 1rem;
        }
        .btn-cta-outline:hover {
            background: #fff;
            color: #FF4E50;
            border-color: #fff;
        }

        /* ========== 分页 ========== */
        .pagination-wrapper {
            padding: 2rem 0 calc(var(--spacing-section) - 1rem) 0;
            display: flex;
            justify-content: center;
        }
        .pagination-custom {
            display: flex;
            gap: 0.4rem;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-weight: 600;
            font-size: 0.9rem;
            background: #fff;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .pagination-custom .page-link:hover {
            background: rgba(255, 78, 80, 0.06);
            color: #FF4E50;
            border-color: rgba(255, 78, 80, 0.2);
        }
        .pagination-custom .page-link.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(255, 78, 80, 0.3);
        }
        .pagination-custom .page-link.disabled {
            color: #ccc;
            pointer-events: none;
            background: #f5f5f5;
        }

        /* ========== 页脚 ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: #fff;
            padding: 4rem 0 0 0;
        }
        .footer-main h5 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            color: #fff;
        }
        .footer-main ul {
            padding: 0;
            margin: 0;
        }
        .footer-main ul li {
            margin-bottom: 0.6rem;
        }
        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-main ul li a:hover {
            color: #FF4E50;
        }
        .footer-social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1.2rem;
        }
        .footer-social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            margin-top: 3rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            gap: 0.8rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #FF4E50;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 767.98px) {
            .navbar-main .navbar-collapse {
                background: #fff;
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                box-shadow: var(--shadow-card);
            }
            .navbar-main .navbar-collapse .nav-link {
                color: var(--deep-charcoal) !important;
            }
            .navbar-main .navbar-collapse .nav-link:hover,
            .navbar-main .navbar-collapse .nav-link.active {
                color: #FF4E50 !important;
                background: rgba(255, 78, 80, 0.05);
            }
            .navbar-main .navbar-collapse .nav-link::after {
                background: #FF4E50;
            }
            .subcategory-bar {
                top: 56px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .subcategory-tags {
                flex-wrap: nowrap;
                gap: 0.4rem;
            }
            .subcategory-tag {
                font-size: 0.8rem;
                padding: 0.35rem 0.8rem;
                flex-shrink: 0;
            }
            .category-banner {
                min-height: 40vh;
            }
            .data-number {
                font-size: 2rem;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
        }
        @media (max-width: 575.98px) {
            .category-banner {
                min-height: 35vh;
                padding-top: 4rem;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .banner-desc {
                font-size: 0.9rem;
            }
            .article-card-body {
                padding: 1rem;
            }
            .article-card h3 {
                font-size: 1rem;
            }
            .featured-card-body {
                padding: 1.2rem;
            }
            .featured-card-body h3 {
                font-size: 1.15rem;
            }
            .data-item {
                padding: 1rem 0.5rem;
            }
            .pagination-custom .page-link {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }

        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }

        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }

        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }

        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }

        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }

        .navbar-main.scrolled .nav-link::after {
            background: #FF4E50;
        }

        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff !important;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.8rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.04);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
        }

        .navbar-main.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, 0.25);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-main.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,30,30,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== 按钮系统 ========== */
        .btn-primary-custom {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.75rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary-custom:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.03);
            box-shadow: 0 8px 28px rgba(255, 78, 80, 0.4);
            color: #fff;
        }

        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            padding: 0.75rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            cursor: pointer;
            text-align: center;
        }

        .btn-outline-custom:hover {
            background: #fff;
            color: #FF4E50;
            border-color: #fff;
            transform: scale(1.03);
        }

        .btn-outline-dark-custom {
            background: transparent;
            color: var(--deep-charcoal);
            border: 2px solid var(--deep-charcoal);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            cursor: pointer;
            text-align: center;
        }

        .btn-outline-dark-custom:hover {
            background: var(--deep-charcoal);
            color: #fff;
            transform: scale(1.03);
        }

        /* ========== 卡片系统 ========== */
        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .card-custom .card-img-top {
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .card-custom .card-body {
            padding: 1.5rem;
        }

        .card-custom .card-title {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .card-custom .card-text {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-custom .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }

        /* ========== 数据徽章 ========== */
        .badge-data {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 0.5rem 1.2rem;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(0, 229, 160, 0.35);
        }

        .badge-data-large {
            font-size: 2.2rem;
            padding: 0.8rem 2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-custom {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 1rem;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
        }

        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.5);
        }

        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 600;
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: var(--spacing-section) 0;
        }

        .section-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h2);
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-header.text-center {
            text-align: center;
        }

        /* ========== Hero横幅 ========== */
        .hero-category {
            position: relative;
            min-height: 65vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(30, 30, 30, 0.75) 0%, rgba(30, 30, 30, 0.55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding-top: 5rem;
            overflow: hidden;
        }

        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(255, 78, 80, 0.18) 0%, rgba(249, 212, 35, 0.08) 60%, rgba(30, 30, 30, 0.5) 100%);
            pointer-events: none;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
        }

        .hero-category .hero-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h1);
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .hero-category .hero-desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            max-width: 650px;
            line-height: 1.8;
        }

        .hero-category .hero-badges {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .hero-category .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.6rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .countdown-bar .countdown-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: #F9D423;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-block {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 2rem;
        }

        .deep-content-block .row {
            margin: 0;
        }

        .deep-content-block .deep-img {
            height: 100%;
            min-height: 350px;
            object-fit: cover;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }

        .deep-content-block .deep-body {
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .deep-content-block .deep-title {
            font-weight: 800;
            font-size: var(--font-h3);
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .deep-content-block .deep-text {
            color: var(--text-secondary);
            line-height: 1.9;
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
        }

        /* ========== FAQ手风琴 ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-card);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            background: var(--card-bg);
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none;
            border: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.03);
            box-shadow: none;
            border-bottom: 1px solid var(--border-subtle);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-custom .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition-fast);
        }

        .accordion-custom .accordion-body {
            padding: 1.2rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA全宽区 ========== */
        .cta-fullwidth {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 4rem 0;
            text-align: center;
        }

        .cta-fullwidth::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-fullwidth .cta-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h2);
            color: #fff;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .cta-fullwidth .cta-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-fullwidth .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: #fff;
            padding: 4rem 0 0;
            position: relative;
        }

        .footer-main h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            color: #fff;
        }

        .footer-main ul li {
            margin-bottom: 0.5rem;
        }

        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-main ul li a:hover {
            color: #F9D423;
        }

        .footer-social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1rem;
        }

        .footer-social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            margin-top: 3rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            gap: 0.8rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #F9D423;
        }

        /* ========== 深色数据区 ========== */
        .stats-dark-section {
            background: var(--deep-charcoal);
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-dark-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(255, 78, 80, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .stat-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .stat-number {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 3rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 0.3rem;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
        }

        /* ========== 场景卡片 ========== */
        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            height: 100%;
            text-align: center;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
        }

        .scenario-card .scenario-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
        }

        .scenario-card h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .scenario-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
            .hero-category {
                min-height: 55vh;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
            .hero-category {
                min-height: 50vh;
            }
            .deep-content-block .deep-img {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                min-height: 250px;
                max-height: 300px;
            }
            .deep-content-block .deep-body {
                padding: 1.5rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .navbar-main .nav-link {
                color: var(--deep-charcoal);
                padding: 0.6rem 1rem;
            }
            .navbar-main .nav-link:hover,
            .navbar-main .nav-link.active {
                color: #FF4E50;
                background: rgba(255, 78, 80, 0.06);
            }
            .navbar-main .nav-link::after {
                background: #FF4E50;
            }
            .navbar-main {
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
            }
            .navbar-main .navbar-brand {
                -webkit-text-fill-color: #FF4E50;
                background: none;
                color: #FF4E50;
            }
            .navbar-main .navbar-collapse {
                background: #fff;
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                box-shadow: var(--shadow-card);
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
            .hero-category {
                min-height: 45vh;
                padding-top: 4rem;
            }
            .hero-category .hero-title {
                font-size: 1.8rem;
            }
            .hero-category .hero-desc {
                font-size: 1rem;
            }
            .card-custom .card-img-top {
                height: 180px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .cta-fullwidth {
                padding: 2.5rem 0;
            }
            .cta-fullwidth .cta-title {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .badge-data-large {
                font-size: 1.5rem;
                padding: 0.6rem 1.5rem;
            }
            .countdown-bar {
                font-size: 0.85rem;
                padding: 0.5rem 1.2rem;
            }
            .countdown-bar .countdown-num {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 519.98px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
            .hero-category {
                min-height: 40vh;
            }
            .hero-category .hero-title {
                font-size: 1.5rem;
            }
            .hero-category .hero-badges {
                gap: 0.5rem;
            }
            .hero-category .hero-actions {
                flex-direction: column;
                gap: 0.6rem;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                text-align: center;
                padding: 0.7rem 1.5rem;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .deep-content-block .deep-img {
                min-height: 200px;
                max-height: 220px;
            }
            .scenario-card {
                padding: 1.5rem;
            }
        }

/* roulang page: category5 */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
        }
        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
        }
        @media (max-width: 575.98px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }
        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }
        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }
        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }
        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }
        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }
        .navbar-main.scrolled .nav-link::after {
            background: #FF4E50;
        }
        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff !important;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.04);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
            transition: all var(--transition-fast);
        }
        .navbar-main.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, 0.2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-main.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,30,30,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                border: 1px solid rgba(0, 0, 0, 0.06);
                box-shadow: var(--shadow-card);
            }
            .navbar-main.scrolled .navbar-collapse {
                background: #ffffff;
            }
            .navbar-main .nav-link {
                color: var(--deep-charcoal) !important;
                padding: 0.7rem 1rem;
            }
            .navbar-main .nav-link:hover,
            .navbar-main .nav-link.active {
                color: #FF4E50 !important;
                background: rgba(255, 78, 80, 0.05);
            }
            .navbar-main .nav-link::after {
                background: #FF4E50;
            }
            .btn-nav-cta {
                margin-top: 0.5rem;
                display: inline-block;
                text-align: center;
            }
        }

        /* ========== 按钮系统 ========== */
        .btn-primary-custom {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.75rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.03);
            box-shadow: 0 8px 28px rgba(255, 78, 80, 0.35);
            color: #fff;
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.9rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: #fff;
            color: #FF4E50;
            border-color: #fff;
            transform: scale(1.03);
        }
        .btn-outline-dark-custom {
            background: transparent;
            color: var(--deep-charcoal);
            border: 2px solid var(--deep-charcoal);
            border-radius: var(--radius-btn);
            padding: 0.65rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            cursor: pointer;
        }
        .btn-outline-dark-custom:hover {
            background: var(--deep-charcoal);
            color: #fff;
            transform: scale(1.03);
        }
        .btn-accent {
            background: var(--accent-green);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--accent-green-dark);
            transform: scale(1.03);
            box-shadow: 0 6px 22px rgba(0, 229, 160, 0.35);
            color: #fff;
        }

        /* ========== 卡片系统 ========== */
        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(255, 78, 80, 0.15);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .card-custom .card-body {
            padding: 1.5rem 1.5rem 1.2rem;
        }
        .card-custom .card-title {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-custom .card-text {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }
        .card-custom .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .card-custom .card-date i {
            color: #FF4E50;
            font-size: 0.75rem;
        }

        /* ========== 数据徽章 ========== */
        .badge-data {
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 0.5rem 1.2rem;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(0, 229, 160, 0.3);
        }
        .badge-data i {
            font-size: 0.85rem;
        }
        .badge-data-large {
            font-size: 1.1rem;
            padding: 0.65rem 1.5rem;
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        @media (max-width: 767.98px) {
            .section-padding {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
        }
        .section-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h2);
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: #FF4E50;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
        }

        /* ========== Hero区域 ========== */
        .hero-category {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #0f3460 70%, #1a1a2e 100%);
            overflow: hidden;
            padding-top: 80px;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 20%, rgba(255, 78, 80, 0.25) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(249, 212, 35, 0.2) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(0, 229, 160, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-category .hero-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h1);
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .hero-category .hero-title span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-category .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .hero-category .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 2rem;
        }
        .hero-category .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .hero-feature-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 2rem;
            color: #fff;
            position: relative;
            z-index: 2;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }
        .hero-feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 1rem;
        }
        .hero-feature-card h4 {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            color: #fff;
        }
        .hero-feature-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .hero-feature-card .live-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: #00E5A0;
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
            margin-right: 0.4rem;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(0, 229, 160, 0);
            }
        }

        /* ========== 痛点区 ========== */
        .pain-point-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.5rem;
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            transition: all var(--transition-smooth);
            margin-bottom: 1rem;
        }
        .pain-point-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateX(4px);
        }
        .pain-point-item .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 78, 80, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #FF4E50;
            flex-shrink: 0;
        }
        .pain-point-item h5 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.3rem;
            color: var(--text-primary);
        }
        .pain-point-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 解决方案区 ========== */
        .solution-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 2rem 1.8rem;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            text-align: center;
        }
        .solution-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
            border-color: rgba(255, 78, 80, 0.2);
        }
        .solution-card .solution-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin: 0 auto 1.2rem;
        }
        .solution-card h4 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.7rem;
            color: var(--text-primary);
        }
        .solution-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 赛事主推卡（知识付费蓝图转化） ========== */
        .featured-match-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .featured-match-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .featured-match-card .match-header {
            background: var(--brand-gradient);
            padding: 1rem 1.5rem;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .featured-match-card .match-body {
            padding: 1.5rem;
            text-align: center;
        }
        .featured-match-card .match-teams {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }
        .featured-match-card .match-teams .vs {
            font-size: 1rem;
            color: #FF4E50;
            font-weight: 700;
        }
        .featured-match-card .match-info {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .featured-match-card .match-odds {
            display: flex;
            justify-content: center;
            gap: 2rem;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .featured-match-card .match-odds span {
            color: #FF4E50;
        }

        /* ========== 数据展示区 ========== */
        .stats-section {
            background: var(--deep-charcoal);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 40% 30%, rgba(255, 78, 80, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 70%, rgba(0, 229, 160, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        .stat-item {
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 2rem 1rem;
        }
        .stat-item .stat-number {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 3rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }
        .stat-item .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-block {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .deep-content-block:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .deep-content-block .deep-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }
        @media (max-width: 767.98px) {
            .deep-content-block .deep-img {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                min-height: 220px;
            }
        }
        .deep-content-block .deep-body {
            padding: 2.5rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .deep-content-block .deep-body h3 {
            font-weight: 800;
            font-size: var(--font-h3);
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .deep-content-block .deep-body p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 1.2rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .accordion-custom .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            background: transparent;
            box-shadow: none;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.03);
        }
        .accordion-custom .accordion-button::after {
            transition: transform var(--transition-fast);
        }
        .accordion-custom .accordion-body {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA区 ========== */
        .cta-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(0, 0, 0, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .cta-section .cta-content h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h2);
            margin-bottom: 1rem;
        }
        .cta-section .cta-content p {
            font-size: 1.1rem;
            opacity: 0.85;
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        /* ========== 页脚 ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: #fff;
            padding: 4rem 0 0;
            font-size: 0.9rem;
        }
        .footer-main h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            color: #fff;
        }
        .footer-main ul li {
            margin-bottom: 0.6rem;
        }
        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition-fast);
            font-size: 0.9rem;
        }
        .footer-main ul li a:hover {
            color: #FF4E50;
            padding-left: 4px;
        }
        .footer-social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .footer-social-icons a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            transform: translateY(-3px);
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            margin-top: 3rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #FF4E50;
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 767.98px) {
            .hero-category {
                min-height: 70vh;
                padding-top: 70px;
                text-align: center;
            }
            .hero-category .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-category .hero-badge-row {
                justify-content: center;
            }
            .hero-category .hero-cta-row {
                justify-content: center;
            }
            .hero-feature-card {
                margin-top: 2rem;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .deep-content-block .deep-body {
                padding: 1.5rem;
            }
            .section-title {
                text-align: center;
            }
            .section-subtitle {
                text-align: center;
                margin-left: auto;
                margin-right: auto;
            }
            .solution-card {
                margin-bottom: 1rem;
            }
            .card-custom .card-img-top {
                height: 180px;
            }
        }
        @media (max-width: 575.98px) {
            .hero-category {
                min-height: 60vh;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .hero-feature-card {
                padding: 1.5rem;
            }
            .featured-match-card .match-teams {
                font-size: 1.1rem;
                gap: 0.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 覆盖Bootstrap默认 */
        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .btn:focus {
            box-shadow: none;
        }
        .row.g-4 {
            --bs-gutter-y: 1.5rem;
        }

/* roulang page: category4 */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
        }
        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }
        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }
        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }
        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }
        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }
        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }
        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .navbar-main .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
            transition: all var(--transition-nav);
        }
        .navbar-main.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, 0.2);
        }
        .navbar-main .navbar-toggler-icon {
            filter: brightness(0) invert(1);
            transition: filter var(--transition-nav);
        }
        .navbar-main.scrolled .navbar-toggler-icon {
            filter: none;
        }
        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.8rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--brand-gradient-hover);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 24px rgba(255, 78, 80, 0.35);
        }
        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                background: rgba(30, 30, 30, 0.95);
                border-radius: var(--radius-md);
                padding: 1rem 1.5rem;
                margin-top: 0.75rem;
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.15);
            }
            .navbar-main.scrolled .navbar-collapse {
                background: #ffffff;
                border: 1px solid rgba(0, 0, 0, 0.08);
                box-shadow: var(--shadow-card-hover);
            }
            .navbar-main.scrolled .navbar-collapse .nav-link {
                color: var(--deep-charcoal);
            }
            .navbar-main.scrolled .navbar-collapse .nav-link:hover,
            .navbar-main.scrolled .navbar-collapse .nav-link.active {
                color: #FF4E50;
                background: rgba(255, 78, 80, 0.06);
            }
            .btn-nav-cta {
                margin-top: 0.5rem;
                display: inline-block;
                text-align: center;
            }
        }

        /* ========== 分类横幅 ========== */
        .category-hero {
            position: relative;
            padding: 8rem 0 4rem;
            background: var(--brand-gradient);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.25);
            z-index: 0;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            color: #fff;
        }
        .category-hero .hero-content h1 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h1);
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .category-hero .hero-content p {
            font-size: 1.15rem;
            max-width: 700px;
            opacity: 0.92;
            line-height: 1.9;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
        }
        .category-hero .badge-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-badge);
            padding: 0.35rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        @media (max-width: 767.98px) {
            .category-hero {
                padding: 6rem 0 3rem;
                min-height: 300px;
            }
            .category-hero .hero-content p {
                font-size: 1rem;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.8rem 0;
            position: sticky;
            top: 68px;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.9rem;
        }
        .breadcrumb-bar .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar .breadcrumb a:hover {
            color: #FF4E50;
        }
        .breadcrumb-bar .breadcrumb .separator {
            color: var(--text-muted);
            opacity: 0.5;
            margin: 0 0.2rem;
        }
        .breadcrumb-bar .breadcrumb .current {
            color: #FF4E50;
            font-weight: 600;
        }
        @media (max-width: 767.98px) {
            .breadcrumb-bar {
                top: 56px;
                padding: 0.6rem 0;
            }
            .breadcrumb-bar .breadcrumb {
                font-size: 0.8rem;
            }
        }

        /* ========== 数据徽章区 ========== */
        .section-stats {
            padding: 3rem 0;
            background: #fff;
        }
        .stat-badge-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 1.8rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .stat-badge-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-badge-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
        }
        .stat-badge-card .stat-number {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .stat-badge-card .stat-label {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-top: 0.3rem;
        }
        @media (max-width: 767.98px) {
            .section-stats {
                padding: 2rem 0;
            }
            .stat-badge-card .stat-number {
                font-size: 1.7rem;
            }
        }

        /* ========== 文章卡片网格 ========== */
        .section-articles {
            padding: var(--spacing-section) 0;
            background: var(--bg-warm);
        }
        .section-articles .section-header {
            margin-bottom: 2.5rem;
        }
        .section-articles .section-header h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-primary);
            position: relative;
            display: inline-block;
        }
        .section-articles .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--brand-gradient);
            border-radius: 3px;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 78, 80, 0.15);
        }
        .article-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .article-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .article-card .card-img-wrap .card-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            font-size: 0.78rem;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-badge);
            font-weight: 500;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .article-card .card-body {
            padding: 1.3rem 1.3rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-body h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            line-height: 1.5;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-body .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }
        .article-card .card-body .btn-read-more {
            align-self: flex-start;
            background: transparent;
            border: 1.5px solid #FF4E50;
            color: #FF4E50;
            border-radius: var(--radius-btn);
            padding: 0.45rem 1.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-smooth);
        }
        .article-card .card-body .btn-read-more:hover {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            transform: scale(1.03);
        }
        @media (max-width: 767.98px) {
            .article-card .card-body h3 {
                font-size: 1.05rem;
            }
            .article-card .card-img-wrap {
                aspect-ratio: 16 / 9;
            }
        }

        /* ========== 深度专题 ========== */
        .section-featured {
            padding: var(--spacing-section) 0;
            background: #fff;
        }
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
        }
        .featured-block .featured-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }
        .featured-block .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .featured-block:hover .featured-img img {
            transform: scale(1.05);
        }
        .featured-block .featured-text {
            padding: 2.5rem 2.5rem 2.5rem 0;
        }
        .featured-block .featured-text .tag {
            display: inline-block;
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 0.3rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
        }
        .featured-block .featured-text h3 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h3);
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .featured-block .featured-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }
        .featured-block .featured-text .btn-featured {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.7rem 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            display: inline-block;
        }
        .featured-block .featured-text .btn-featured:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.03);
            box-shadow: 0 8px 24px rgba(255, 78, 80, 0.35);
            color: #fff;
        }
        @media (max-width: 991.98px) {
            .featured-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-block .featured-img {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                aspect-ratio: 16 / 9;
            }
            .featured-block .featured-text {
                padding: 1.8rem;
            }
        }

        /* ========== 热门项目亮点 ========== */
        .section-highlights {
            padding: var(--spacing-section) 0;
            background: var(--bg-warm);
        }
        .highlight-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 1.8rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            height: 100%;
            text-align: center;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .highlight-card .hl-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 78, 80, 0.08);
            color: #FF4E50;
            font-size: 1.6rem;
            margin-bottom: 1rem;
            transition: all var(--transition-smooth);
        }
        .highlight-card:hover .hl-icon {
            background: var(--brand-gradient);
            color: #fff;
            transform: scale(1.08);
        }
        .highlight-card h4 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .highlight-card p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .section-faq {
            padding: var(--spacing-section) 0;
            background: #fff;
        }
        .section-faq .section-header h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h2);
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .section-faq .section-header p {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            font-size: 1rem;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            background: var(--card-bg);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.5rem;
            color: var(--text-primary);
            background: var(--card-bg);
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.04);
            border-bottom: 1px solid var(--border-subtle);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition-fast);
        }
        .faq-accordion .accordion-body {
            padding: 1.2rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA ========== */
        .section-cta {
            padding: var(--spacing-section) 0;
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .section-cta .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
        }
        .section-cta .cta-content h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h2);
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
        }
        .section-cta .cta-content p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
        }
        .btn-cta-primary {
            background: #fff;
            color: #FF4E50;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.85rem 2.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
        }
        .btn-cta-primary:hover {
            transform: scale(1.04);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
            color: #FF4E50;
            background: #fffefb;
        }
        .btn-cta-secondary {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            padding: 0.8rem 2.2rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            margin-left: 1rem;
        }
        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: scale(1.03);
        }
        @media (max-width: 767.98px) {
            .btn-cta-secondary {
                margin-left: 0;
                margin-top: 1rem;
            }
            .section-cta .cta-content p {
                font-size: 1rem;
            }
        }

        /* ========== 页脚 ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: #ccc;
            padding: 4rem 0 0;
        }
        .footer-main h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 1.2rem;
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
        }
        .footer-main ul {
            padding: 0;
            list-style: none;
        }
        .footer-main ul li {
            margin-bottom: 0.6rem;
        }
        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-main ul li a:hover {
            color: #FF4E50;
        }
        .footer-social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1.2rem;
        }
        .footer-social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: all var(--transition-smooth);
        }
        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            margin-top: 3rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #FF4E50;
        }
        @media (max-width: 767.98px) {
            .footer-main {
                padding: 3rem 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

.pagination .page-link {
            border-radius: 50% !important;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 3px;
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-weight: 500;
            transition: all var(--transition-fast);
            background: #fff;
        }
        .pagination .page-link:hover {
            background: rgba(255, 78, 80, 0.06);
            color: #FF4E50;
            border-color: rgba(255, 78, 80, 0.2);
        }
        .pagination .page-item.active .page-link {
            background: var(--brand-gradient);
            border-color: transparent;
            color: #fff;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(255, 78, 80, 0.3);
        }
        .pagination .page-item.disabled .page-link {
            background: #f5f5f5;
            color: #bbb;
            border-color: var(--border-subtle);
            pointer-events: none;
        }

/* roulang page: category6 */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
            padding-top: 76px;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }

        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }

        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }

        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }

        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }

        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 20px;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }

        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff !important;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.8rem;
            border: none;
            transition: all var(--transition-smooth);
            font-size: 0.9rem;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.03);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
        }

        .navbar-toggler {
            border: none;
            padding: 0.4rem;
            outline: none;
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-main.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,30,30,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== 分类横幅 ========== */
        .category-banner {
            position: relative;
            background: var(--brand-gradient);
            padding: 4rem 0 3rem;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 1;
        }

        .category-banner .breadcrumb {
            margin-bottom: 1rem;
            background: transparent;
            padding: 0;
        }

        .category-banner .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .category-banner .breadcrumb-item a:hover {
            color: #fff;
        }

        .category-banner .breadcrumb-item.active {
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .category-banner .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.6);
            content: '›';
            font-size: 1.1rem;
            line-height: 1;
        }

        .category-banner h1 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h1);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .category-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 650px;
            line-height: 1.7;
        }

        .category-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-badge);
            padding: 0.4rem 1.2rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: 1rem;
            backdrop-filter: blur(4px);
        }

        /* ========== 按钮 ========== */
        .btn-primary-custom {
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 0.75rem 2rem;
            border: none;
            transition: all var(--transition-smooth);
            font-size: 1rem;
            display: inline-block;
            text-align: center;
        }

        .btn-primary-custom:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.02);
            color: #fff;
            box-shadow: 0 8px 28px rgba(255, 78, 80, 0.4);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            border: 2px solid rgba(0, 0, 0, 0.15);
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            display: inline-block;
            text-align: center;
        }

        .btn-outline-custom:hover {
            border-color: #FF4E50;
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.04);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            display: inline-block;
            text-align: center;
        }

        .btn-outline-white:hover {
            background: #fff;
            color: #FF4E50;
            border-color: #fff;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            background: rgba(0, 229, 160, 0.12);
            color: #00a878;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-badge);
            margin-bottom: 0.75rem;
        }

        /* ========== 卡片 ========== */
        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .card-custom .card-img-wrap {
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            aspect-ratio: 16 / 10;
            position: relative;
        }

        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card-custom:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-custom .card-body-custom {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-custom .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            font-weight: 500;
        }

        .card-custom .card-title {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-custom .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }

        .card-custom .card-link {
            font-weight: 600;
            color: #FF4E50;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            align-self: flex-start;
        }

        .card-custom .card-link:hover {
            color: #e03a3c;
        }

        .card-custom .card-link i {
            transition: transform var(--transition-fast);
            margin-left: 2px;
        }

        .card-custom .card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== 卖点卡片 ========== */
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.6rem;
            color: #fff;
        }

        .feature-card h4 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 数据徽章 ========== */
        .badge-data {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: linear-gradient(135deg, #00E5A0 0%, #00c98a 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.45rem 1.2rem;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }

        .stat-number {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: 3rem;
            font-weight: 800;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== 流程步骤 ========== */
        .step-item {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.5rem;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            margin-bottom: 1rem;
        }

        .step-item:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(255, 78, 80, 0.2);
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .step-content h5 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
            color: var(--text-primary);
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            padding: 1.5rem 1.8rem;
            margin-bottom: 0.8rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(255, 78, 80, 0.2);
            box-shadow: var(--shadow-card);
        }

        .faq-item h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .faq-item h5 i {
            color: #FF4E50;
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .faq-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            margin-left: 1.6rem;
        }

        /* ========== 分页 ========== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .pagination-custom .page-dot {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            background: #fff;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination-custom .page-dot:hover {
            border-color: #FF4E50;
            color: #FF4E50;
        }

        .pagination-custom .page-dot.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 700;
        }

        /* ========== CTA区 ========== */
        .cta-section {
            background: var(--brand-gradient);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-size: var(--font-h2);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        /* ========== 页脚 ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: #fff;
            padding: 3.5rem 0 0;
        }

        .footer-main h5 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            color: #fff;
        }

        .footer-main ul {
            padding: 0;
            margin: 0;
        }

        .footer-main ul li {
            margin-bottom: 0.6rem;
        }

        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-main ul li a:hover {
            color: #F9D423;
        }

        .footer-social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1rem;
        }

        .footer-social-icons a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 1.5rem 0;
            margin-top: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #F9D423;
        }

        /* ========== 深色背景区块 ========== */
        .dark-section {
            background: var(--deep-charcoal);
            color: #fff;
            padding: var(--spacing-section) 0;
        }

        .dark-section .section-title {
            color: #fff;
        }

        .dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .dark-section .stat-label {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 场景标签 ========== */
        .scenario-tag {
            display: inline-block;
            background: #fff;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-badge);
            padding: 0.5rem 1.2rem;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            margin: 0.3rem;
            cursor: default;
        }

        .scenario-tag:hover {
            border-color: #FF4E50;
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.03);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
            .category-banner {
                min-height: 260px;
                padding: 3rem 0 2rem;
            }
            .navbar-main .nav-link {
                color: var(--deep-charcoal);
                padding: 0.6rem 1rem;
            }
            .navbar-main .nav-link:hover,
            .navbar-main .nav-link.active {
                color: #FF4E50;
                background: rgba(255, 78, 80, 0.06);
            }
            .navbar-main .nav-link::after {
                display: none;
            }
            .navbar-main {
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(8px);
                -webkit-backdrop-filter: blur(8px);
            }
            .navbar-main .navbar-brand {
                -webkit-text-fill-color: #FF4E50;
                background: none;
                color: #FF4E50;
            }
            .btn-nav-cta {
                margin-top: 0.5rem;
            }
            #navbarMain {
                background: #fff;
                border-radius: var(--radius-md);
                padding: 1rem;
                box-shadow: var(--shadow-card-hover);
                margin-top: 0.5rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
            .category-banner {
                min-height: 220px;
                padding: 2.5rem 0 1.5rem;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section-block {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .card-custom .card-img-wrap {
                aspect-ratio: 16 / 9;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 3rem 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .feature-card {
                padding: 1.5rem 1rem;
            }
        }

        @media (max-width: 519.98px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
            .category-banner {
                min-height: 180px;
                padding: 2rem 0 1.2rem;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .step-item {
                flex-direction: column;
                gap: 0.8rem;
            }
            .faq-item {
                padding: 1.2rem;
            }
        }

/* roulang page: category7 */
:root {
            --brand-gradient-start: #FF4E50;
            --brand-gradient-end: #F9D423;
            --brand-gradient: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%);
            --brand-gradient-hover: linear-gradient(135deg, #ff3b3e 0%, #f7c813 100%);
            --accent-green: #00E5A0;
            --accent-green-dark: #00c98a;
            --deep-charcoal: #1E1E1E;
            --warm-white: #FFFDF7;
            --bg-warm: #F8F7F4;
            --card-bg: #ffffff;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-glass: rgba(255, 255, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 50px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --font-h1: 3.5rem;
            --font-h2: 2.4rem;
            --font-h3: 1.8rem;
            --font-h4: 1.4rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --line-height-body: 1.8;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-nav: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .container-wide {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin: 0 auto;
        }

        /* ========== 导航栏 ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.75rem 0;
            transition: all var(--transition-nav);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }

        .navbar-main.scrolled {
            background: #ffffff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: var(--shadow-nav);
        }

        .navbar-main .navbar-brand {
            font-family: 'PingFang SC', '汉仪旗黑', 'Microsoft YaHei', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.02em;
            transition: all var(--transition-nav);
        }

        .navbar-main.scrolled .navbar-brand {
            -webkit-text-fill-color: #FF4E50;
            background: none;
            color: #FF4E50;
        }

        .navbar-main .nav-link {
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-main.scrolled .nav-link {
            color: var(--deep-charcoal);
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }

        .navbar-main.scrolled .nav-link:hover,
        .navbar-main.scrolled .nav-link.active {
            color: #FF4E50;
            background: rgba(255, 78, 80, 0.06);
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 20px;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }

        .navbar-main .nav-link:hover::after,
        .navbar-main .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #fff !important;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.6rem;
            border: none;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--brand-gradient-hover);
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
        }

        .navbar-main.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-main.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,30,30,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== 分类Hero Banner ========== */
        .category-hero {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            background: var(--brand-gradient);
            overflow: hidden;
            padding-top: 80px;
            padding-bottom: 3rem;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.35);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
        }

        .bento-main-card {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-card);
            padding: 2.5rem;
            color: #fff;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: all var(--transition-smooth);
        }

        .bento-main-card:hover {
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
        }

        .bento-mini-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.8rem;
            color: #fff;
            transition: all var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 1rem;
            cursor: pointer;
        }

        .bento-mini-card:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
        }

        .bento-mini-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            color: #1a1a1a;
            font-weight: 700;
        }

        .bento-cta-strip {
            background: rgba(255, 255, 255, 0.13);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-card);
            padding: 1.5rem 2rem;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            transition: all var(--transition-smooth);
        }

        .bento-cta-strip:hover {
            background: rgba(255, 255, 255, 0.19);
        }

        .badge-data-live {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--accent-green);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-badge);
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(0, 229, 160, 0);
            }
        }

        .category-hero h1 {
            font-family: 'PingFang SC', '汉仪旗黑', 'Microsoft YaHei', sans-serif;
            font-weight: 800;
            font-size: var(--font-h1);
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .category-hero .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .btn-primary-cta {
            background: #fff;
            color: #FF4E50;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 0.75rem 2.2rem;
            border: none;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
        }

        .btn-primary-cta:hover {
            background: #fff;
            color: #FF4E50;
            transform: scale(1.04);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 0.7rem 2rem;
            border: 2px solid rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            display: inline-block;
        }

        .btn-outline-white:hover {
            background: #fff;
            color: #FF4E50;
            border-color: #fff;
            transform: scale(1.03);
        }

        /* ========== 通用板块样式 ========== */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-title {
            font-family: 'PingFang SC', '汉仪旗黑', 'Microsoft YaHei', sans-serif;
            font-weight: 700;
            font-size: var(--font-h2);
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: #FF4E50;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
            background: rgba(255, 78, 80, 0.08);
            padding: 0.3rem 1rem;
            border-radius: var(--radius-badge);
        }

        /* ========== 卡片样式 ========== */
        .card-feature {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 2rem;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .card-feature:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
            border-color: rgba(255, 78, 80, 0.15);
        }

        .card-feature .card-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            flex-shrink: 0;
        }

        .card-feature h3 {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 0.7rem;
            color: var(--text-primary);
        }

        .card-feature p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-image-cover {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            background: #fff;
            border: 1px solid var(--border-subtle);
        }

        .card-image-cover:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
        }

        .card-image-cover img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .card-image-cover .card-body-inner {
            padding: 1.5rem;
        }

        .card-image-cover h3 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .card-image-cover p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ========== 数据徽章 ========== */
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent-green);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.4rem 1.2rem;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }

        .stat-badge-large {
            font-size: 1.1rem;
            padding: 0.55rem 1.5rem;
        }

        /* ========== 深色统计区 ========== */
        .stats-section-dark {
            background: var(--deep-charcoal);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section-dark::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 78, 80, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .stat-number-block {
            text-align: center;
            color: #fff;
            padding: 1.5rem;
        }

        .stat-number-block .stat-number {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: 3rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }

        .stat-number-block .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-top: 0.4rem;
        }

        /* ========== 流程步骤 ========== */
        .step-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.3rem;
            color: var(--text-primary);
        }

        .step-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
            padding: var(--spacing-section) 0;
        }

        .accordion-faq .accordion-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: all var(--transition-fast);
        }

        .accordion-faq .accordion-item:hover {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }

        .accordion-faq .accordion-button {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            background: #fff;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-sm) !important;
            transition: all var(--transition-fast);
            box-shadow: none;
        }

        .accordion-faq .accordion-button:not(.collapsed) {
            background: #fff;
            color: #FF4E50;
            box-shadow: none;
            border-bottom: 1px solid var(--border-subtle);
        }

        .accordion-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 78, 80, 0.12);
            border-color: rgba(255, 78, 80, 0.3);
        }

        .accordion-faq .accordion-body {
            padding: 1.2rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA区 ========== */
        .cta-section {
            background: var(--brand-gradient);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-family: 'PingFang SC', '汉仪旗黑', sans-serif;
            font-weight: 800;
            font-size: var(--font-h2);
            color: #fff;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .btn-cta-large {
            background: #fff;
            color: #FF4E50;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 0.85rem 2.8rem;
            border: none;
            font-size: 1.1rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            margin: 0 0.5rem;
        }

        .btn-cta-large:hover {
            transform: scale(1.05);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
            color: #FF4E50;
            background: #fff;
        }

        .btn-cta-outline-large {
            background: transparent;
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 0.8rem 2.5rem;
            border: 2px solid rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            display: inline-block;
            margin: 0 0.5rem;
        }

        .btn-cta-outline-large:hover {
            background: #fff;
            color: #FF4E50;
            border-color: #fff;
            transform: scale(1.04);
        }

        /* ========== 页脚 ========== */
        .footer-main {
            background: var(--deep-charcoal);
            color: #fff;
            padding: 3.5rem 0 1.5rem;
        }

        .footer-main h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            color: #fff;
        }

        .footer-main ul li {
            margin-bottom: 0.5rem;
        }

        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-main ul li a:hover {
            color: #F9D423;
        }

        .footer-social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1rem;
        }

        .footer-social-icons a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .footer-social-icons a:hover {
            background: var(--brand-gradient);
            border-color: transparent;
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #F9D423;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            :root {
                --font-h1: 2.8rem;
                --font-h2: 2rem;
                --font-h3: 1.5rem;
                --spacing-section: 4rem;
            }
            .bento-main-card {
                padding: 1.8rem;
            }
            .stat-number-block .stat-number {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --font-h1: 2.4rem;
                --font-h2: 1.8rem;
                --font-h3: 1.4rem;
                --spacing-section: 3.5rem;
            }
            .category-hero {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 2.5rem;
            }
            .bento-main-card {
                padding: 1.5rem;
            }
            .bento-mini-card {
                padding: 1.2rem;
            }
            .navbar-main .nav-link {
                color: var(--deep-charcoal);
                padding: 0.6rem 1rem;
            }
            .navbar-main .nav-link:hover,
            .navbar-main .nav-link.active {
                color: #FF4E50;
                background: rgba(255, 78, 80, 0.05);
            }
            .navbar-main {
                background: rgba(255, 255, 255, 0.92);
            }
            .navbar-main .navbar-brand {
                -webkit-text-fill-color: #FF4E50;
                background: none;
                color: #FF4E50;
            }
            .navbar-main .btn-nav-cta {
                margin-top: 0.5rem;
            }
            .stat-number-block .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-h4: 1.1rem;
                --spacing-section: 2.5rem;
                --spacing-section-mobile: 2rem;
                --radius-card: 16px;
            }
            .category-hero {
                min-height: auto;
                padding-top: 90px;
                padding-bottom: 2rem;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-subtitle {
                font-size: 1rem;
            }
            .bento-cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 1.2rem;
            }
            .bento-main-card {
                padding: 1.3rem;
            }
            .bento-mini-card {
                padding: 1rem;
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .card-feature {
                padding: 1.5rem;
            }
            .card-image-cover img {
                height: 180px;
            }
            .stats-section-dark {
                padding: 2.5rem 0;
            }
            .stat-number-block .stat-number {
                font-size: 1.8rem;
            }
            .step-item {
                flex-direction: column;
                gap: 0.8rem;
                text-align: center;
            }
            .step-number {
                margin: 0 auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .btn-cta-large,
            .btn-cta-outline-large {
                display: block;
                margin: 0.5rem auto;
                width: 80%;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --spacing-section: 2rem;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .card-image-cover img {
                height: 160px;
            }
            .stat-number-block .stat-number {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .bento-main-card {
                padding: 1rem;
            }
        }