/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a237e;
            --primary-light: #283593;
            --primary-dark: #0d1442;
            --secondary: #ff6f00;
            --secondary-light: #ffa040;
            --secondary-dark: #c43e00;
            --accent: #00bcd4;
            --bg-body: #f5f7fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #1a237e;
            --bg-footer: #0d1442;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #ffffff;
            --text-muted: #9a9ab0;
            --border-color: #e8e8f0;
            --border-light: #f0f0f5;
            --shadow-sm: 0 2px 8px rgba(26,35,126,0.06);
            --shadow-md: 0 4px 20px rgba(26,35,126,0.10);
            --shadow-lg: 0 8px 40px rgba(26,35,126,0.14);
            --shadow-hover: 0 12px 48px rgba(26,35,126,0.18);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --section-spacing: 90px;
            --section-spacing-mobile: 56px;
        }

        /* ===== Reset & Base ===== */
        *,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; transition: var(--transition); }
        button:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; border-radius: 6px; }
        input,textarea,select { font-family: inherit; font-size: 1rem; transition: var(--transition); }
        ul,ol { list-style: none; }
        h1,h2,h3,h4,h5,h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 0.5rem; color: var(--text-secondary); }

        /* ===== Container ===== */
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; }
        .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

        /* ===== Grid Helpers ===== */
        .grid-gap-24 { gap: 24px; }
        .grid-gap-32 { gap: 32px; }

        /* ===== Section Spacing ===== */
        .section { padding: var(--section-spacing) 0; }
        .section-top { padding-top: var(--section-spacing); }
        .section-bottom { padding-bottom: var(--section-spacing); }
        @media (max-width: 768px) { .section { padding: var(--section-spacing-mobile) 0; } }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(255,255,255,0.98); box-shadow: var(--shadow-sm); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .logo i { color: var(--secondary); font-size: 1.6rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main { display: flex; align-items: center; gap: 8px; }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }
        .nav-main a:hover { color: var(--primary); background: rgba(26,35,126,0.06); }
        .nav-main a.active { color: var(--primary); background: rgba(26,35,126,0.10); font-weight: 600; }
        .nav-main a.active::after { display: none; }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 26px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff !important;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(255,111,0,0.30);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255,111,0,0.40); background: linear-gradient(135deg, var(--secondary-light), var(--secondary)); color: #fff !important; }
        .nav-toggle { display: none; font-size: 1.6rem; color: var(--primary); padding: 6px; cursor: pointer; }
        .nav-toggle:focus-visible { outline: 3px solid var(--secondary); border-radius: 6px; }
        @media (max-width: 820px) {
            .nav-main { display: none; position: fixed; top: var(--nav-height); left: 0; width: 100%; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); flex-direction: column; padding: 20px 24px; gap: 4px; box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--border-light); }
            .nav-main.open { display: flex; }
            .nav-main a { padding: 14px 18px; width: 100%; border-radius: var(--radius-sm); font-size: 1.05rem; }
            .nav-cta { margin-top: 12px; width: 100%; justify-content: center; }
            .nav-toggle { display: block; }
        }
        @media (max-width: 400px) {
            .logo { font-size: 1.1rem; }
            .logo i { font-size: 1.3rem; }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
            padding-top: var(--nav-height);
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 160px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; width: 100%; }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            min-height: calc(100vh - var(--nav-height) - 80px);
        }
        .hero-content { max-width: 580px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(4px);
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 500;
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .hero-badge i { color: var(--secondary-light); font-size: 0.9rem; }
        .hero h1 { color: var(--text-white); margin-bottom: 16px; font-weight: 800; letter-spacing: -0.5px; }
        .hero h1 span { background: linear-gradient(135deg, #fff, var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
        .hero-actions .btn-primary {
            padding: 16px 36px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 28px rgba(255,111,0,0.35);
            transition: var(--transition);
            display: inline-flex; align-items: center; gap: 10px;
        }
        .hero-actions .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(255,111,0,0.45); }
        .hero-actions .btn-ghost {
            padding: 14px 28px;
            color: rgba(255,255,255,0.85);
            border: 2px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex; align-items: center; gap: 8px;
        }
        .hero-actions .btn-ghost:hover { border-color: var(--secondary); color: #fff; background: rgba(255,111,0,0.15); }
        .hero-image {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); transform: perspective(800px) rotateY(-4deg); transition: var(--transition); max-height: 460px; width: 100%; object-fit: cover; }
        .hero-image img:hover { transform: perspective(800px) rotateY(0deg); }
        .hero-stats {
            display: flex;
            gap: 24px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item { text-align: center; padding: 12px 20px; background: rgba(255,255,255,0.08); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.06); min-width: 90px; }
        .hero-stats .stat-num { font-size: 1.8rem; font-weight: 800; color: #fff; }
        .hero-stats .stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 2px; }
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 32px; text-align: center; min-height: auto; padding: 40px 0 60px; }
            .hero-content { max-width: 100%; }
            .hero p { max-width: 100%; margin-left: auto; margin-right: auto; }
            .hero-actions { justify-content: center; }
            .hero-stats { justify-content: center; }
            .hero-image img { max-height: 320px; transform: none; }
            .hero-image img:hover { transform: none; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 1rem; }
            .hero-actions .btn-primary,.hero-actions .btn-ghost { width: 100%; justify-content: center; }
            .hero-stats .stat-item { min-width: 70px; padding: 10px 14px; }
            .hero-stats .stat-num { font-size: 1.4rem; }
        }

        /* ===== Section Titles ===== */
        .section-title-wrap { text-align: center; margin-bottom: 48px; }
        .section-title-wrap h2 { margin-bottom: 12px; position: relative; display: inline-block; }
        .section-title-wrap h2::after { content: ''; display: block; width: 50px; height: 4px; background: linear-gradient(90deg, var(--secondary), var(--secondary-light)); border-radius: 4px; margin: 12px auto 0; }
        .section-title-wrap p { font-size: 1.1rem; color: var(--text-light); max-width: 640px; margin: 16px auto 0; }
        .section-title-wrap.light h2 { color: var(--text-white); }
        .section-title-wrap.light p { color: rgba(255,255,255,0.7); }
        .section-title-wrap.light h2::after { background: linear-gradient(90deg, var(--secondary-light), #fff); }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
        .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .card-body h3 a { color: var(--text-primary); }
        .card-body h3 a:hover { color: var(--secondary); }
        .card-body p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6; flex: 1; }
        .card-meta { display: flex; align-items: center; gap: 16px; margin-top: 16px; font-size: 0.82rem; color: var(--text-light); }
        .card-meta i { margin-right: 4px; }
        .card-tag {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(26,35,126,0.07);
            border-radius: var(--radius-xl);
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .card-link { margin-top: 16px; font-weight: 600; color: var(--secondary); display: inline-flex; align-items: center; gap: 6px; }
        .card-link:hover { gap: 10px; color: var(--secondary-dark); }

        /* ===== Category Cards ===== */
        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .cat-card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
        .cat-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .cat-card-body h3 { font-size: 1.2rem; margin-bottom: 10px; }
        .cat-card-body p { font-size: 0.92rem; color: var(--text-secondary); flex: 1; line-height: 1.6; }
        .cat-card-link {
            margin-top: 18px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 20px;
            background: rgba(26,35,126,0.06);
            border-radius: var(--radius-xl);
            align-self: flex-start;
            transition: var(--transition);
        }
        .cat-card-link:hover { background: var(--primary); color: #fff; gap: 12px; }

        /* ===== Buttons ===== */
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            background: transparent;
        }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(255,111,0,0.30);
            transition: var(--transition);
            border: none;
        }
        .btn-primary-custom:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(255,111,0,0.40); color: #fff; }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .stat-card .num { font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .stat-card .num span { color: var(--secondary); }
        .stat-card .label { font-size: 0.95rem; color: var(--text-light); margin-top: 6px; }
        .stat-card i { font-size: 2rem; color: var(--secondary); margin-bottom: 12px; }
        @media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
        @media (max-width: 400px) { .stats-grid { grid-template-columns: 1fr 1fr; } }

        /* ===== Features ===== */
        .features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .feature-card {
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .feature-icon {
            width: 64px; height: 64px;
            margin: 0 auto 18px;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, rgba(26,35,126,0.06), rgba(255,111,0,0.06));
            border-radius: 50%;
            font-size: 1.6rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; transform: scale(1.1); }
        .feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
        @media (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .features-grid { grid-template-columns: 1fr; } }

        /* ===== Steps / Flow ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 40px; left: 10%; right: 10%;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary), var(--primary));
            z-index: 0;
            border-radius: 4px;
        }
        .step-card {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            z-index: 1;
            transition: var(--transition);
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .step-num {
            width: 48px; height: 48px;
            margin: 0 auto 16px;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: 0 4px 16px rgba(26,35,126,0.20);
        }
        .step-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
        .step-card p { font-size: 0.88rem; color: var(--text-secondary); }
        @media (max-width: 1024px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } .steps-grid::before { display: none; } }
        @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            border: none;
        }
        .faq-question:focus-visible { outline: 3px solid var(--secondary); outline-offset: -3px; border-radius: var(--radius-md); }
        .faq-question i { color: var(--secondary); transition: var(--transition); font-size: 1.1rem; flex-shrink: 0; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; text-align: center; }
        .cta-section h2 { color: var(--text-white); margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 560px; margin: 0 auto 32px; }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .cta-actions .btn-cta-primary {
            padding: 16px 38px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 28px rgba(255,111,0,0.35);
            transition: var(--transition);
            display: inline-flex; align-items: center; gap: 10px;
        }
        .cta-actions .btn-cta-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(255,111,0,0.45); }
        .cta-actions .btn-cta-ghost {
            padding: 14px 28px;
            color: rgba(255,255,255,0.85);
            border: 2px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-xl);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex; align-items: center; gap: 8px;
        }
        .cta-actions .btn-cta-ghost:hover { border-color: var(--secondary); color: #fff; background: rgba(255,111,0,0.12); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo span { background: linear-gradient(135deg, #fff, var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); line-height: 1.7; max-width: 340px; }
        .footer-social { display: flex; gap: 12px; margin-top: 18px; }
        .footer-social a {
            width: 40px; height: 40px;
            display: flex; align-items: center; justify-content: center;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            color: rgba(255,255,255,0.6);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--secondary); color: #fff; transform: translateY(-3px); }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; font-weight: 700; }
        .footer-col a { display: block; padding: 6px 0; font-size: 0.9rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
        .footer-col a:hover { color: var(--secondary-light); padding-left: 4px; }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.35);
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        @media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

        /* ===== News / CMS List ===== */
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .news-empty { grid-column: 1 / -1; text-align: center; padding: 48px 24px; color: var(--text-light); font-size: 1.05rem; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }
        @media (max-width: 1024px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .news-grid { grid-template-columns: 1fr; } }

        /* ===== Featured Post ===== */
        .featured-post {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            margin-bottom: 40px;
            border: 1px solid var(--border-light);
        }
        .featured-post-img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; }
        .featured-post-body { padding: 32px; display: flex; flex-direction: column; justify-content: center; }
        .featured-post-body .tag { background: rgba(255,111,0,0.12); color: var(--secondary-dark); }
        .featured-post-body h3 { font-size: 1.4rem; margin: 8px 0 12px; }
        .featured-post-body p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 16px; }
        @media (max-width: 768px) { .featured-post { grid-template-columns: 1fr; } .featured-post-img { min-height: 200px; } .featured-post-body { padding: 24px; } }

        /* ===== Tag / Badge ===== */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-xl);
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(26,35,126,0.07);
            color: var(--primary);
        }

        /* ===== Divider ===== */
        .divider { width: 60px; height: 4px; background: linear-gradient(90deg, var(--secondary), var(--secondary-light)); border-radius: 4px; margin: 16px 0; }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            border: none;
        }
        .back-top.show { opacity: 1; visibility: visible; }
        .back-top:hover { background: var(--secondary); transform: translateY(-4px); box-shadow: var(--shadow-hover); color: #fff; }
        .back-top:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }

        /* ===== Responsive Fixes ===== */
        @media (max-width: 640px) {
            .container { padding: 0 16px; }
            .section-title-wrap { margin-bottom: 32px; }
            .section-title-wrap h2 { font-size: 1.5rem; }
            .section-title-wrap p { font-size: 0.95rem; }
        }

        /* ===== Preloader / Smooth ===== */
        .fade-in { animation: fadeIn 0.6s ease both; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-primary-light: #ff6b6b;
            --color-secondary: #1d3557;
            --color-secondary-light: #2a4a7f;
            --color-accent: #f4a261;
            --color-bg: #f8f9fa;
            --color-bg-alt: #ffffff;
            --color-bg-dark: #1a1a2e;
            --color-text: #2b2d42;
            --color-text-light: #6c757d;
            --color-text-inverse: #ffffff;
            --color-border: #e0e0e0;
            --color-border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
            --shadow-hover: 0 16px 48px rgba(230,57,70,0.18);
            --transition: all 0.30s cubic-bezier(0.25,0.46,0.45,0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--color-secondary); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 1.2rem; }
        h3 { font-size: 1.5rem; margin-bottom: 0.8rem; }
        h4 { font-size: 1.2rem; margin-bottom: 0.6rem; }
        p { margin-bottom: 1rem; color: var(--color-text-light); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

        /* ===== Foundation 覆盖 ===== */
        .grid-container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .cell { padding-left: 12px; padding-right: 12px; }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            background: rgba(255,255,255,0.96); backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.4rem; font-weight: 800; color: var(--color-secondary);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--color-primary); font-size: 1.6rem; }
        .logo span { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main { display: flex; align-items: center; gap: 6px; }
        .nav-main a {
            padding: 8px 18px; border-radius: var(--radius-sm);
            font-size: 0.95rem; font-weight: 500; color: var(--color-text);
            transition: var(--transition); position: relative; white-space: nowrap;
        }
        .nav-main a:hover { color: var(--color-primary); background: rgba(230,57,70,0.06); }
        .nav-main a.active { color: var(--color-primary); background: rgba(230,57,70,0.10); font-weight: 600; }
        .nav-main a.active::after {
            content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; background: var(--color-primary); border-radius: 4px;
        }
        .nav-main a.nav-cta {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff; border-radius: var(--radius-xl); padding: 8px 24px; font-weight: 600;
            box-shadow: 0 4px 14px rgba(230,57,70,0.30);
        }
        .nav-main a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.40); color: #fff; }
        .nav-main a.nav-cta i { margin-right: 6px; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--color-secondary); cursor: pointer; padding: 6px 10px; border-radius: var(--radius-sm); }
        .nav-toggle:hover { background: rgba(0,0,0,0.04); }

        /* ===== 分类页 Banner ===== */
        .category-banner {
            margin-top: var(--header-height);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--color-secondary) 0%, #0f1a2e 100%);
            position: relative; overflow: hidden;
            min-height: 320px;
            display: flex; align-items: center;
        }
        .category-banner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18; mix-blend-mode: overlay;
        }
        .category-banner::after {
            content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 80px;
            background: linear-gradient(to top, var(--color-bg), transparent);
        }
        .category-banner .container { position: relative; z-index: 2; text-align: center; }
        .category-banner h1 { color: #fff; font-size: 3.2rem; margin-bottom: 0.6rem; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
        .category-banner h1 i { color: var(--color-accent); margin-right: 12px; }
        .category-banner p { color: rgba(255,255,255,0.80); font-size: 1.2rem; max-width: 700px; margin: 0 auto 1.2rem; }
        .banner-tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
        .banner-tags .tag {
            display: inline-block; padding: 6px 18px; border-radius: var(--radius-xl);
            background: rgba(255,255,255,0.15); color: #fff; font-size: 0.85rem; font-weight: 500;
            backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.10);
            transition: var(--transition);
        }
        .banner-tags .tag:hover { background: rgba(255,255,255,0.25); transform: translateY(-2px); }
        .banner-tags .tag i { margin-right: 5px; color: var(--color-accent); }

        /* ===== 分类导航子菜单 ===== */
        .category-subnav {
            background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0; position: sticky; top: var(--header-height); z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .category-subnav .container { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
        .category-subnav span { font-weight: 600; color: var(--color-secondary); font-size: 0.95rem; margin-right: 6px; }
        .category-subnav a {
            padding: 6px 16px; border-radius: var(--radius-xl); font-size: 0.88rem;
            color: var(--color-text-light); background: var(--color-bg); border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .category-subnav a:hover, .category-subnav a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

        /* ===== 板块通用 ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--color-bg-alt); }
        .section-dark { background: var(--color-bg-dark); color: #fff; }
        .section-header { text-align: center; margin-bottom: 48px; }
        .section-header h2 { margin-bottom: 0.5rem; }
        .section-header h2 i { color: var(--color-primary); margin-right: 10px; }
        .section-header p { max-width: 600px; margin: 0 auto; font-size: 1.1rem; }
        .section-divider { width: 60px; height: 4px; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); border-radius: 4px; margin: 12px auto 20px; }

        /* ===== 卡片系统 ===== */
        .card {
            background: var(--color-bg-alt); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); overflow: hidden;
            transition: var(--transition); height: 100%;
            border: 1px solid var(--color-border-light);
            display: flex; flex-direction: column;
        }
        .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .card-image { position: relative; overflow: hidden; aspect-ratio: 16/9; background: var(--color-bg); }
        .card-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .card:hover .card-image img { transform: scale(1.06); }
        .card-image .badge {
            position: absolute; top: 14px; left: 14px; padding: 4px 14px;
            background: var(--color-primary); color: #fff; border-radius: var(--radius-xl);
            font-size: 0.78rem; font-weight: 600; box-shadow: 0 2px 10px rgba(230,57,70,0.30);
        }
        .card-image .badge-hot { background: var(--color-accent); }
        .card-image .badge-new { background: #2ec4b6; }
        .card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .card-body h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
        .card-body h3 a { color: var(--color-secondary); }
        .card-body h3 a:hover { color: var(--color-primary); }
        .card-body p { font-size: 0.92rem; color: var(--color-text-light); flex: 1; margin-bottom: 0.8rem; }
        .card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--color-text-light); border-top: 1px solid var(--color-border-light); padding-top: 14px; margin-top: auto; }
        .card-meta i { margin-right: 4px; }
        .card-meta .tag-link { color: var(--color-primary); font-weight: 500; }

        /* ===== 特色资讯卡片（大图） ===== */
        .feature-card {
            background: var(--color-bg-alt); border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-md);
            display: flex; flex-direction: row; transition: var(--transition);
            border: 1px solid var(--color-border-light);
        }
        .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .feature-card .fc-image { flex: 0 0 45%; min-height: 280px; overflow: hidden; position: relative; }
        .feature-card .fc-image img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: var(--transition); }
        .feature-card:hover .fc-image img { transform: scale(1.05); }
        .feature-card .fc-body { flex: 1; padding: 32px 36px; display: flex; flex-direction: column; justify-content: center; }
        .feature-card .fc-body .badge { display: inline-block; padding: 4px 16px; background: var(--color-primary); color: #fff; border-radius: var(--radius-xl); font-size: 0.78rem; font-weight: 600; margin-bottom: 12px; width: fit-content; }
        .feature-card .fc-body h3 { font-size: 1.6rem; margin-bottom: 0.6rem; }
        .feature-card .fc-body p { font-size: 1rem; margin-bottom: 1rem; }
        .feature-card .fc-meta { display: flex; align-items: center; gap: 20px; font-size: 0.85rem; color: var(--color-text-light); }
        .feature-card .fc-meta i { margin-right: 5px; }

        /* ===== 赛事分类入口 ===== */
        .sport-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .sport-item {
            background: var(--color-bg-alt); border-radius: var(--radius-md);
            padding: 32px 20px; text-align: center;
            box-shadow: var(--shadow-sm); border: 1px solid var(--color-border-light);
            transition: var(--transition); cursor: default;
        }
        .sport-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--color-primary); }
        .sport-item .icon { font-size: 2.8rem; color: var(--color-primary); margin-bottom: 12px; }
        .sport-item h4 { font-size: 1.1rem; margin-bottom: 4px; }
        .sport-item p { font-size: 0.85rem; margin-bottom: 0; }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-item {
            text-align: center; padding: 28px 16px;
            background: rgba(255,255,255,0.06); border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.10);
            transition: var(--transition);
        }
        .stat-item:hover { background: rgba(255,255,255,0.10); transform: translateY(-4px); }
        .stat-item .num { font-size: 2.8rem; font-weight: 800; color: var(--color-accent); line-height: 1.2; }
        .stat-item .num span { font-size: 1.4rem; opacity: 0.7; }
        .stat-item .label { color: rgba(255,255,255,0.75); font-size: 0.95rem; margin-top: 6px; }

        /* ===== 资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex; align-items: center; gap: 20px;
            background: var(--color-bg-alt); border-radius: var(--radius-sm);
            padding: 18px 24px; box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: var(--color-primary); }
        .news-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); flex-shrink: 0; }
        .news-item .dot.hot { background: var(--color-accent); }
        .news-item .content { flex: 1; }
        .news-item .content h4 { font-size: 1rem; margin-bottom: 2px; }
        .news-item .content p { font-size: 0.85rem; margin-bottom: 0; color: var(--color-text-light); }
        .news-item .date { font-size: 0.82rem; color: var(--color-text-light); white-space: nowrap; }
        .news-item .tag-sm { padding: 2px 12px; border-radius: var(--radius-xl); font-size: 0.75rem; background: var(--color-bg); color: var(--color-text-light); border: 1px solid var(--color-border); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--color-bg-alt); border-radius: var(--radius-md);
            margin-bottom: 12px; box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            padding: 18px 24px; font-weight: 600; cursor: pointer;
            display: flex; justify-content: space-between; align-items: center;
            color: var(--color-secondary); font-size: 1.05rem;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--color-primary); }
        .faq-question i { transition: var(--transition); color: var(--color-primary); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer { padding: 0 24px 20px; color: var(--color-text-light); line-height: 1.8; display: none; }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section { padding: 80px 0; background: linear-gradient(135deg, var(--color-secondary), #0f1a2e); position: relative; overflow: hidden; text-align: center; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.10; mix-blend-mode: overlay; }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2.4rem; margin-bottom: 0.8rem; }
        .cta-section p { color: rgba(255,255,255,0.80); font-size: 1.15rem; max-width: 600px; margin: 0 auto 2rem; }
        .cta-section .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn { display: inline-block; padding: 14px 36px; border-radius: var(--radius-xl); font-weight: 600; font-size: 1rem; transition: var(--transition); cursor: pointer; border: none; text-align: center; }
        .btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; box-shadow: 0 4px 20px rgba(230,57,70,0.35); }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(230,57,70,0.45); color: #fff; }
        .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.30); }
        .btn-outline:hover { background: rgba(255,255,255,0.10); border-color: #fff; transform: translateY(-3px); color: #fff; }
        .btn-sm { padding: 10px 24px; font-size: 0.88rem; }

        /* ===== 页脚 ===== */
        .site-footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.80); padding: 60px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo { color: #fff; margin-bottom: 14px; }
        .footer-brand .logo span { -webkit-text-fill-color: #fff; }
        .footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.60); max-width: 320px; }
        .footer-social { display: flex; gap: 12px; margin-top: 16px; }
        .footer-social a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.70); font-size: 1.1rem; transition: var(--transition); }
        .footer-social a:hover { background: var(--color-primary); color: #fff; transform: translateY(-3px); }
        .footer-col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; position: relative; padding-bottom: 8px; }
        .footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--color-primary); border-radius: 2px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.60); font-size: 0.9rem; padding: 5px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--color-primary); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; text-align: center; font-size: 0.88rem; color: rgba(255,255,255,0.45); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sport-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .feature-card { flex-direction: column; }
            .feature-card .fc-image { flex: 0 0 220px; min-height: 220px; position: relative; }
            .feature-card .fc-body { padding: 24px 28px; }
        }

        @media (max-width: 768px) {
            .nav-main { display: none; position: absolute; top: var(--header-height); left: 0; width: 100%; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); flex-direction: column; padding: 16px 24px; box-shadow: var(--shadow-lg); border-top: 1px solid var(--color-border-light); }
            .nav-main.open { display: flex; }
            .nav-main a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
            .nav-main a.active::after { display: none; }
            .nav-main a.nav-cta { margin-top: 6px; text-align: center; }
            .nav-toggle { display: block; }

            .category-banner { padding: 80px 0 60px; min-height: 240px; }
            .category-banner h1 { font-size: 2.2rem; }
            .category-banner p { font-size: 1rem; }

            h2 { font-size: 1.8rem; }
            .section { padding: 56px 0; }

            .sport-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-item .num { font-size: 2.2rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .news-item { flex-wrap: wrap; padding: 14px 18px; }
            .news-item .date { width: 100%; text-align: right; }

            .feature-card .fc-image { flex: 0 0 180px; min-height: 180px; }
            .feature-card .fc-body { padding: 20px 22px; }
            .feature-card .fc-body h3 { font-size: 1.3rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
            .logo { font-size: 1.2rem; }
            .logo i { font-size: 1.3rem; }

            .category-banner h1 { font-size: 1.8rem; }
            .category-banner p { font-size: 0.92rem; }

            .sport-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .sport-item { padding: 20px 12px; }
            .sport-item .icon { font-size: 2.2rem; }

            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-item { padding: 20px 12px; }
            .stat-item .num { font-size: 1.8rem; }

            .card-body { padding: 16px 18px 20px; }
            .btn { padding: 12px 28px; font-size: 0.92rem; }

            .category-subnav { padding: 10px 0; }
            .category-subnav a { padding: 4px 12px; font-size: 0.82rem; }

            .news-item { padding: 12px 16px; gap: 12px; }
            .news-item .content h4 { font-size: 0.92rem; }
        }

        /* ===== 辅助 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e53935;
            --primary-dark: #c62828;
            --primary-light: #ffebee;
            --secondary: #1a237e;
            --secondary-light: #3949ab;
            --accent: #ff6f00;
            --bg-body: #fafafa;
            --bg-card: #ffffff;
            --bg-section-alt: #f5f5f5;
            --bg-dark: #1a1a2e;
            --text-primary: #212121;
            --text-secondary: #616161;
            --text-light: #9e9e9e;
            --text-white: #ffffff;
            --border-color: #e0e0e0;
            --border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-hover: 0 16px 48px rgba(229,57,53,0.18);
            --transition: all 0.30s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul,ol { list-style: none; padding: 0; margin: 0; }
        h1,h2,h3,h4,h5,h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-h);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.35rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.3px; text-decoration: none;
        }
        .logo i { font-size: 1.6rem; color: var(--primary); }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .logo:hover { opacity: 0.9; }
        .nav-main { display: flex; align-items: center; gap: 6px; }
        .nav-main a {
            padding: 8px 18px; border-radius: var(--radius-sm);
            font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
            text-decoration: none; transition: var(--transition);
            position: relative; white-space: nowrap;
        }
        .nav-main a:hover { color: var(--primary); background: var(--primary-light); }
        .nav-main a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
        .nav-main a.active::after {
            content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; background: var(--primary); border-radius: 4px;
        }
        .nav-main a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important; border-radius: var(--radius-xl);
            padding: 8px 24px; font-weight: 600; box-shadow: 0 4px 14px rgba(229,57,53,0.3);
        }
        .nav-main a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(229,57,53,0.4); }
        .nav-main a.nav-cta i { margin-right: 6px; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--text-primary); cursor: pointer; padding: 8px; border-radius: var(--radius-sm); transition: var(--transition); }
        .nav-toggle:hover { background: var(--primary-light); color: var(--primary); }
        .nav-toggle:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

        /* ===== Article Page Hero ===== */
        .article-hero {
            margin-top: var(--header-h);
            background: linear-gradient(135deg, var(--bg-dark) 0%, #16213e 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .breadcrumb {
            display: flex; flex-wrap: wrap; gap: 8px 16px;
            font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-bottom: 20px;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.7); }
        .article-hero .breadcrumb a:hover { color: #fff; }
        .article-hero .breadcrumb .sep { color: rgba(255,255,255,0.3); }
        .article-hero .breadcrumb .current { color: #fff; font-weight: 500; }
        .article-hero h1 {
            font-size: 2.6rem; font-weight: 800; color: #fff;
            line-height: 1.25; max-width: 840px;
            margin-bottom: 16px;
        }
        .article-hero .meta {
            display: flex; flex-wrap: wrap; gap: 16px 28px;
            font-size: 0.95rem; color: rgba(255,255,255,0.7); margin-top: 8px;
        }
        .article-hero .meta span { display: flex; align-items: center; gap: 6px; }
        .article-hero .meta i { color: var(--primary); }
        .article-hero .category-tag {
            display: inline-block;
            background: rgba(229,57,53,0.25);
            color: #ffcdd2; font-size: 0.85rem; font-weight: 600;
            padding: 4px 16px; border-radius: var(--radius-xl);
            border: 1px solid rgba(229,57,53,0.3);
            backdrop-filter: blur(4px);
        }

        /* ===== Article Content ===== */
        .article-main { padding: 60px 0 80px; background: var(--bg-body); }
        .article-layout {
            display: grid; grid-template-columns: 1fr 320px; gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 40px 44px; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .article-body .featured-image {
            border-radius: var(--radius-md); overflow: hidden; margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .article-body .featured-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .article-body .content-body {
            font-size: 1.05rem; line-height: 1.9; color: var(--text-primary);
        }
        .article-body .content-body p { margin-bottom: 1.2em; }
        .article-body .content-body h2 { font-size: 1.6rem; margin-top: 2em; margin-bottom: 0.8em; color: var(--secondary); }
        .article-body .content-body h3 { font-size: 1.3rem; margin-top: 1.6em; margin-bottom: 0.6em; color: var(--text-primary); }
        .article-body .content-body ul, .article-body .content-body ol { margin-bottom: 1.2em; padding-left: 1.4em; }
        .article-body .content-body li { margin-bottom: 0.4em; list-style: disc; }
        .article-body .content-body blockquote {
            border-left: 4px solid var(--primary); background: var(--primary-light);
            padding: 16px 24px; margin: 1.6em 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic; color: var(--text-secondary);
        }
        .article-body .content-body img { border-radius: var(--radius-sm); margin: 1.2em 0; box-shadow: var(--shadow-sm); }

        .article-body .content-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .content-body a:hover { color: var(--primary-dark); }

        .article-body .tags { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border-color); display: flex; flex-wrap: wrap; gap: 10px; }
        .article-body .tags .tag {
            background: var(--primary-light); color: var(--primary-dark);
            padding: 4px 16px; border-radius: var(--radius-xl);
            font-size: 0.85rem; font-weight: 500; transition: var(--transition);
        }
        .article-body .tags .tag:hover { background: var(--primary); color: #fff; }

        .article-body .post-nav {
            display: flex; justify-content: space-between; gap: 20px;
            margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border-color);
        }
        .article-body .post-nav a {
            font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
            display: flex; align-items: center; gap: 8px; max-width: 45%;
        }
        .article-body .post-nav a:hover { color: var(--primary); }
        .article-body .post-nav a i { font-size: 0.85rem; }

        /* ===== Sidebar ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 32px; }
        .sidebar-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 28px 24px; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 1.15rem; font-weight: 700; color: var(--text-primary);
            margin-bottom: 16px; padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            display: flex; align-items: center; gap: 10px;
        }
        .sidebar-card h3 i { color: var(--primary); font-size: 1.1rem; }
        .sidebar-related { display: flex; flex-direction: column; gap: 12px; }
        .sidebar-related a {
            display: flex; gap: 12px; align-items: flex-start;
            padding: 10px 12px; border-radius: var(--radius-sm);
            transition: var(--transition); text-decoration: none;
            border: 1px solid transparent;
        }
        .sidebar-related a:hover { background: var(--primary-light); border-color: var(--primary-light); }
        .sidebar-related a img {
            width: 72px; height: 54px; border-radius: var(--radius-sm);
            object-fit: cover; flex-shrink: 0;
        }
        .sidebar-related a .info { flex: 1; min-width: 0; }
        .sidebar-related a .info .title {
            font-size: 0.92rem; font-weight: 600; color: var(--text-primary);
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
            line-height: 1.4; margin-bottom: 4px;
        }
        .sidebar-related a .info .date {
            font-size: 0.8rem; color: var(--text-light);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; border-radius: var(--radius-md);
            padding: 28px 24px; text-align: center;
        }
        .sidebar-cta h4 { color: #fff; font-size: 1.15rem; margin-bottom: 8px; }
        .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.92rem; margin-bottom: 16px; }
        .sidebar-cta .btn {
            background: #fff; color: var(--primary); font-weight: 700;
            padding: 10px 32px; border-radius: var(--radius-xl);
            transition: var(--transition); display: inline-block;
        }
        .sidebar-cta .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center; padding: 80px 24px; max-width: 600px; margin: 0 auto;
        }
        .not-found-box i { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.8rem; color: var(--text-primary); margin-bottom: 12px; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-box .btn {
            display: inline-block; padding: 12px 36px;
            background: var(--primary); color: #fff; border-radius: var(--radius-xl);
            font-weight: 600; transition: var(--transition);
        }
        .not-found-box .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 28px; border-radius: var(--radius-xl);
            font-weight: 600; font-size: 1rem; border: none; cursor: pointer;
            transition: var(--transition); text-decoration: none;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-secondary { background: var(--secondary); color: #fff; }
        .btn-secondary:hover { background: var(--secondary-light); transform: translateY(-2px); }
        .btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

        /* ===== Footer (完全复用首页结构) ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.8);
            padding: 60px 0 0; margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px; padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .site-footer .footer-brand .logo { font-size: 1.35rem; margin-bottom: 16px; color: #fff; }
        .site-footer .footer-brand .logo span { background: linear-gradient(135deg, #ff8a80, #ffd54f); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-footer .footer-brand p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
        .site-footer .footer-social { display: flex; gap: 12px; margin-top: 20px; }
        .site-footer .footer-social a {
            display: flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: 50%;
            background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
            font-size: 1.1rem; transition: var(--transition);
        }
        .site-footer .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .site-footer .footer-col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; font-weight: 700; }
        .site-footer .footer-col a {
            display: block; color: rgba(255,255,255,0.6); font-size: 0.92rem;
            padding: 5px 0; transition: var(--transition); text-decoration: none;
        }
        .site-footer .footer-col a:hover { color: #fff; padding-left: 4px; }
        .site-footer .footer-bottom {
            text-align: center; padding: 24px 0;
            font-size: 0.88rem; color: rgba(255,255,255,0.4);
            border-top: 1px solid rgba(255,255,255,0.06); margin-top: 0;
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.5); }
        .site-footer .footer-bottom a:hover { color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-body { padding: 28px 24px; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            .nav-main { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(14px); flex-direction: column; padding: 16px 24px; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md); gap: 4px; }
            .nav-main.open { display: flex; }
            .nav-main a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
            .nav-main a.active::after { display: none; }
            .nav-main a.nav-cta { text-align: center; }
            .nav-toggle { display: block; }
            .article-hero { padding: 60px 0 40px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-hero .meta { gap: 12px 20px; font-size: 0.85rem; flex-direction: column; }
            .article-body { padding: 20px 16px; }
            .article-body .content-body { font-size: 1rem; }
            .article-body .post-nav { flex-direction: column; gap: 12px; }
            .article-body .post-nav a { max-width: 100%; }
            .sidebar-card { padding: 20px 16px; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .site-footer .footer-brand p { max-width: 100%; }
        }

        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.5rem; }
            .article-hero .breadcrumb { font-size: 0.8rem; gap: 4px 12px; }
            .article-body .tags { gap: 6px; }
            .article-body .tags .tag { font-size: 0.78rem; padding: 2px 12px; }
            .sidebar-related a { padding: 8px; }
            .sidebar-related a img { width: 60px; height: 46px; }
            .container { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
            .site-footer { padding: 40px 0 0; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 12px; }
        .mt-2 { margin-top: 24px; }
        .mt-3 { margin-top: 40px; }
        .mb-1 { margin-bottom: 12px; }
        .mb-2 { margin-bottom: 24px; }
        .mb-3 { margin-bottom: 40px; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #e53935;
            --color-primary-dark: #c62828;
            --color-primary-light: #ff6f60;
            --color-secondary: #1e88e5;
            --color-secondary-dark: #1565c0;
            --color-accent: #ffb300;
            --color-bg: #fafafa;
            --color-bg-alt: #f0f2f5;
            --color-bg-dark: #1a1a2e;
            --color-bg-card: #ffffff;
            --color-text: #222222;
            --color-text-light: #555555;
            --color-text-muted: #888888;
            --color-border: #e0e0e0;
            --color-border-light: #eeeeee;
            --color-success: #43a047;
            --color-warning: #fb8c00;
            --color-white: #ffffff;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 12px 36px rgba(229, 57, 53, 0.15);
            --transition: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-width: 1200px;
            --header-height: 68px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--color-text);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 网站头部 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            transition: var(--transition);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .site-header .header-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .site-header .logo i {
            font-size: 26px;
            color: var(--color-primary);
        }
        .site-header .logo span {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            transition: var(--transition);
        }
        .site-header .nav-toggle:hover {
            background: var(--color-border);
        }
        .site-header .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .site-header .nav-main a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: var(--transition);
            position: relative;
        }
        .site-header .nav-main a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .site-header .nav-main a.active {
            background: var(--color-primary);
            color: var(--color-white);
            box-shadow: 0 4px 14px rgba(229, 57, 53, 0.30);
        }
        .site-header .nav-main a.active:hover {
            background: var(--color-primary-dark);
        }
        .site-header .nav-main a.nav-cta {
            background: linear-gradient(135deg, var(--color-accent), #ff8f00);
            color: var(--color-white);
            font-weight: 600;
            padding: 8px 22px;
            box-shadow: 0 4px 14px rgba(255, 179, 0, 0.35);
        }
        .site-header .nav-main a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 179, 0, 0.45);
        }
        .site-header .nav-main a.nav-cta i {
            margin-right: 6px;
        }

        /* 移动端导航 */
        @media screen and (max-width: 868px) {
            .site-header .nav-toggle {
                display: block;
            }
            .site-header .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 8px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .site-header .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .site-header .nav-main a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .site-header .nav-main a.nav-cta {
                margin-top: 6px;
            }
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            margin-top: var(--header-height);
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            position: relative;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg), transparent);
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .category-banner .banner-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .category-banner h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .category-banner h1 span {
            background: linear-gradient(135deg, var(--color-accent), #ff6f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.80);
            max-width: 640px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .category-banner .banner-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .category-banner .banner-stats .stat-item {
            text-align: center;
            color: var(--color-white);
        }
        .category-banner .banner-stats .stat-item .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
        }
        .category-banner .banner-stats .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }
        @media screen and (max-width: 768px) {
            .category-banner {
                padding: 60px 0 40px;
                min-height: 280px;
            }
            .category-banner .banner-stats {
                gap: 24px;
            }
            .category-banner .banner-stats .stat-item .num {
                font-size: 26px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 10px;
        }
        .section-title h2 i {
            color: var(--color-primary);
            margin-right: 8px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .title-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            background: rgba(229, 57, 53, 0.10);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-dark .section-title h2 {
            color: var(--color-white);
        }
        .section-dark .section-title p {
            color: rgba(255, 255, 255, 0.70);
        }
        .section-dark .section-title .title-tag {
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }
        @media screen and (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-2,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
        }
        @media screen and (min-width: 769px) and (max-width: 1024px) {
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 内容卡片 ===== */
        .content-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .content-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }
        .content-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .content-card .card-tags .tag {
            padding: 2px 12px;
            border-radius: 20px;
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            font-size: 12px;
            font-weight: 500;
        }
        .content-card .card-tags .tag.hot {
            background: rgba(229, 57, 53, 0.10);
            color: var(--color-primary);
        }
        .content-card .card-tags .tag.new {
            background: rgba(30, 136, 229, 0.10);
            color: var(--color-secondary);
        }
        .content-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 8px;
            color: var(--color-text);
            transition: var(--transition);
        }
        .content-card:hover .card-title {
            color: var(--color-primary);
        }
        .content-card .card-desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .content-card .card-meta i {
            margin-right: 4px;
        }
        .content-card .card-meta .card-cta {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 13px;
            transition: var(--transition);
        }
        .content-card .card-meta .card-cta:hover {
            gap: 4px;
        }
        .content-card .card-meta .card-cta i {
            transition: var(--transition);
        }
        .content-card .card-meta .card-cta:hover i {
            transform: translateX(4px);
        }

        /* ===== 特色图文板块（健身分类专属） ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            object-fit: cover;
            width: 100%;
            background: var(--color-bg-alt);
        }
        .feature-block .feature-text h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .feature-block .feature-text h3 i {
            color: var(--color-primary);
            margin-right: 8px;
        }
        .feature-block .feature-text p {
            font-size: 16px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-block .feature-text .feature-list {
            margin-top: 16px;
        }
        .feature-block .feature-text .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
        }
        .feature-block .feature-text .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-block .feature-text .feature-list li i {
            color: var(--color-success);
            font-size: 18px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        @media screen and (max-width: 868px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-block .feature-text h3 {
                font-size: 24px;
            }
        }

        /* ===== 分类入口小卡片 ===== */
        .sub-cat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 16px;
        }
        .sub-cat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .sub-cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary-light);
        }
        .sub-cat-card i {
            font-size: 36px;
            color: var(--color-primary);
            margin-bottom: 12px;
            display: block;
        }
        .sub-cat-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .sub-cat-card p {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.2;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: var(--color-white);
            box-shadow: 0 6px 20px rgba(229, 57, 53, 0.30);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(229, 57, 53, 0.40);
            color: var(--color-white);
        }
        .btn-secondary {
            background: var(--color-white);
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-3px);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--color-accent), #ff8f00);
            color: var(--color-white);
            box-shadow: 0 6px 20px rgba(255, 179, 0, 0.30);
        }
        .btn-accent:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 179, 0, 0.40);
            color: var(--color-white);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
            border-radius: 24px;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
            border-radius: 36px;
        }
        .btn .fa-arrow-right {
            transition: var(--transition);
        }
        .btn:hover .fa-arrow-right {
            transform: translateX(4px);
        }

        /* ===== 数据统计条 ===== */
        .stats-row {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            padding: 32px 0;
        }
        .stats-row .stat {
            text-align: center;
        }
        .stats-row .stat .num {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .stats-row .stat .label {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .section-dark .stats-row .stat .num {
            color: var(--color-accent);
        }
        .section-dark .stats-row .stat .label {
            color: rgba(255, 255, 255, 0.65);
        }
        @media screen and (max-width: 768px) {
            .stats-row {
                gap: 28px;
            }
            .stats-row .stat .num {
                font-size: 32px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--color-text);
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
            border: none;
        }
        .faq-item .faq-q:hover {
            color: var(--color-primary);
        }
        .faq-item .faq-q i {
            color: var(--color-primary);
            font-size: 18px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-q .arrow {
            transition: var(--transition);
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .faq-item.open .faq-q .arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA 区块 ===== */
        .cta-block {
            text-align: center;
            padding: 60px 24px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-lg);
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-block * {
            position: relative;
            z-index: 2;
        }
        .cta-block h3 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-block .btn {
            background: var(--color-white);
            color: var(--color-primary);
            font-weight: 700;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
        }
        .cta-block .btn:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.20);
            color: var(--color-primary-dark);
        }

        /* ===== 图文列表（训练计划） ===== */
        .plan-list {
            display: grid;
            gap: 20px;
        }
        .plan-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .plan-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }
        .plan-item .plan-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(229, 57, 53, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .plan-item .plan-info {
            flex: 1;
        }
        .plan-item .plan-info h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .plan-item .plan-info p {
            font-size: 14px;
            color: var(--color-text-light);
        }
        .plan-item .plan-meta {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        @media screen and (max-width: 600px) {
            .plan-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px 18px;
            }
            .plan-item .plan-meta {
                width: 100%;
                text-align: left;
                padding-left: 72px;
            }
        }

        /* ===== 网站底部 ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .logo i {
            color: var(--color-primary);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.60);
            max-width: 340px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }
        .site-footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.70);
            font-size: 18px;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-3px);
        }
        .site-footer .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-primary);
        }
        .site-footer .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.60);
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--color-white);
            padding-left: 6px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
        }
        @media screen and (max-width: 868px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media screen and (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            padding: 16px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ===== 顶部工具条 ===== */
        .top-bar-tools {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding: 12px 0 4px;
        }
        .top-bar-tools .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .top-bar-tools .filter-tags .filter-btn {
            padding: 6px 18px;
            border-radius: 24px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .top-bar-tools .filter-tags .filter-btn:hover,
        .top-bar-tools .filter-tags .filter-btn.active {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }
        .top-bar-tools .sort-select {
            padding: 8px 18px;
            border-radius: 24px;
            border: 1px solid var(--color-border);
            font-size: 13px;
            background: var(--color-white);
            color: var(--color-text);
            cursor: pointer;
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
        }
        .pagination-wrap a,
        .pagination-wrap span {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .pagination-wrap a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
            border-color: var(--color-primary-light);
        }
        .pagination-wrap .current {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        /* ===== 滚动到顶部 ===== */
        .scroll-top {
            position: fixed;
            bottom: 40px;
            right: 40px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 24px rgba(229, 57, 53, 0.35);
            z-index: 999;
            transition: var(--transition);
            opacity: 0;
            pointer-events: none;
            transform: translateY(20px);
            border: none;
            cursor: pointer;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(229, 57, 53, 0.50);
        }
        @media screen and (max-width: 600px) {
            .scroll-top {
                bottom: 24px;
                right: 24px;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }
        }

        /* ===== 响应式微调 ===== */
        @media screen and (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner p {
                font-size: 15px;
            }
        }
        @media screen and (max-width: 520px) {
            .top-bar-tools {
                flex-direction: column;
                align-items: flex-start;
            }
            .content-card .card-body {
                padding: 16px 18px 18px;
            }
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: var(--container-width);
            padding-left: 24px;
            padding-right: 24px;
        }
        @media screen and (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .cell {
            margin-bottom: 0;
        }
        .grid-x,
        .grid-margin-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x>.cell,
        .grid-margin-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
        }