/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #1a2a6c;
            --clr-primary-light: #2d4a9e;
            --clr-primary-dark: #0f1b4a;
            --clr-accent: #e63946;
            --clr-accent-light: #ff5a67;
            --clr-accent-dark: #c12230;
            --clr-warm: #f4a261;
            --clr-warm-light: #f9c78a;
            --clr-bg: #f8fafc;
            --clr-bg-alt: #eef2f7;
            --clr-bg-dark: #0a1628;
            --clr-card: #ffffff;
            --clr-text: #1e293b;
            --clr-text-light: #64748b;
            --clr-text-white: #f1f5f9;
            --clr-border: #e2e8f0;
            --clr-border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 30px 70px rgba(0, 0, 0, 0.16);
            --transition: 0.25s ease;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 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-family);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-primary-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--clr-text);
        }
        p {
            margin-bottom: 0;
        }

        /* ===== Container ===== */
        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--clr-border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-main .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 26px;
            font-weight: 800;
            color: var(--clr-primary);
            letter-spacing: -0.5px;
            transition: opacity var(--transition);
        }
        .logo-brand:hover {
            opacity: 0.88;
            color: var(--clr-primary);
        }
        .logo-brand .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo-brand .logo-text {
            font-size: 24px;
        }
        .logo-brand .logo-badge {
            font-size: 11px;
            font-weight: 600;
            background: var(--clr-accent);
            color: #fff;
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            margin-left: 4px;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--clr-text);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
            position: relative;
        }
        .nav-main .nav-link:hover {
            background: var(--clr-bg-alt);
            color: var(--clr-primary);
        }
        .nav-main .nav-link.active {
            color: var(--clr-primary);
            background: rgba(26, 42, 108, 0.08);
        }
        .nav-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--clr-accent);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 26px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
            border: none;
            border-radius: 30px;
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .nav-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.35);
            color: #fff;
        }
        .nav-cta:active {
            transform: scale(0.97);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--clr-primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                gap: 4px;
                padding: 16px 20px 24px;
                border-bottom: 1px solid var(--clr-border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.35s ease, opacity 0.35s ease;
                pointer-events: none;
                z-index: 1040;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main .nav-link {
                padding: 12px 16px;
                font-size: 16px;
                width: 100%;
                text-align: left;
            }
            .nav-main .nav-cta {
                margin-top: 10px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 100px 0 110px;
            background: linear-gradient(135deg, var(--clr-bg-dark) 0%, #132044 40%, #1e3a5f 100%);
            overflow: hidden;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 60%, rgba(230, 57, 70, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 30%, rgba(244, 162, 97, 0.10) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .hero-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 780px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 6px 18px 6px 12px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--clr-text-white);
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--clr-warm);
        }
        .hero-title {
            font-size: clamp(2.6rem, 6.5vw, 4.8rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.08;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--clr-warm), var(--clr-accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(1.05rem, 1.6vw, 1.25rem);
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 38px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
            border: none;
            border-radius: 40px;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
            cursor: pointer;
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.4);
            color: #fff;
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 40px;
            transition: background var(--transition), transform var(--transition);
            cursor: pointer;
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.16);
            transform: translateY(-2px);
            color: #fff;
        }
        .hero-search {
            display: flex;
            max-width: 500px;
            margin-top: 32px;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 50px;
            padding: 4px;
        }
        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 14px 22px;
            font-size: 15px;
            color: #fff;
            outline: none;
            min-width: 0;
        }
        .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .hero-search button {
            background: var(--clr-accent);
            border: none;
            color: #fff;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 15px;
            transition: background var(--transition), transform var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .hero-search button:hover {
            background: var(--clr-accent-dark);
            transform: scale(0.98);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 44px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
        }
        .hero-stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 70px 0 80px;
                min-height: auto;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-search {
                flex-direction: column;
                background: transparent;
                border: none;
                gap: 10px;
            }
            .hero-search input {
                background: rgba(255, 255, 255, 0.06);
                border: 1px solid rgba(255, 255, 255, 0.10);
                border-radius: 30px;
            }
            .hero-search button {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Section common ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            color: var(--clr-accent);
            background: rgba(230, 57, 70, 0.08);
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 800;
            color: var(--clr-text);
            line-height: 1.2;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--clr-text-light);
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Features / 核心优势 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--clr-card);
            border-radius: var(--radius-md);
            padding: 36px 30px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border);
            transition: transform var(--transition), box-shadow var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
            color: #fff;
        }
        .feature-icon.icon-accent {
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
        }
        .feature-icon.icon-warm {
            background: linear-gradient(135deg, var(--clr-warm), var(--clr-warm-light));
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--clr-text-light);
            line-height: 1.7;
        }
        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Sports Categories / 赛事项目 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .sport-card {
            background: var(--clr-card);
            border-radius: var(--radius-md);
            padding: 26px 18px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }
        .sport-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .sport-card .sport-icon {
            font-size: 34px;
            color: var(--clr-primary);
            margin-bottom: 12px;
            transition: transform var(--transition);
        }
        .sport-card:hover .sport-icon {
            transform: scale(1.12);
        }
        .sport-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .sport-card .sport-tag {
            font-size: 12px;
            color: var(--clr-text-light);
            background: var(--clr-bg-alt);
            display: inline-block;
            padding: 2px 12px;
            border-radius: 12px;
        }
        @media (max-width: 992px) {
            .sports-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 576px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== Latest Posts / 资讯列表 ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .post-card {
            background: var(--clr-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .post-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .post-card .post-img {
            width: 100%;
            height: 190px;
            background: linear-gradient(135deg, var(--clr-bg-alt), var(--clr-border));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 42px;
            color: var(--clr-text-light);
            position: relative;
        }
        .post-card .post-img .post-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 12px;
            font-weight: 600;
            background: var(--clr-accent);
            color: #fff;
            padding: 3px 14px;
            border-radius: 20px;
        }
        .post-card .post-body {
            padding: 20px 22px 24px;
        }
        .post-card .post-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card .post-body p {
            font-size: 14px;
            color: var(--clr-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--clr-text-light);
        }
        .post-card .post-meta i {
            margin-right: 4px;
        }
        .post-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 50px 20px;
            color: var(--clr-text-light);
            font-size: 16px;
            background: var(--clr-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--clr-border);
        }
        @media (max-width: 992px) {
            .posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .posts-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Stats / 数据 ===== */
        .stats-section {
            background: var(--clr-bg-dark);
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(135deg, var(--clr-warm), var(--clr-accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-num {
                font-size: 32px;
            }
        }

        /* ===== Process / 流程 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 0 10px;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            position: relative;
            z-index: 2;
        }
        .process-step h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--clr-text-light);
            line-height: 1.7;
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 28px;
            left: 60%;
            width: 70%;
            height: 2px;
            background: var(--clr-border);
            z-index: 1;
        }
        .process-step:last-child::after {
            display: none;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .process-step::after {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--clr-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--clr-border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--clr-text);
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--clr-bg-alt);
        }
        .faq-question i {
            font-size: 18px;
            color: var(--clr-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--clr-text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary));
            padding: 70px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 80%, rgba(230, 57, 70, 0.20) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 20%, rgba(244, 162, 97, 0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 30px;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 38px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
            border: none;
            border-radius: 40px;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.3);
            cursor: pointer;
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.4);
            color: #fff;
        }
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 40px;
            transition: background var(--transition), transform var(--transition);
            cursor: pointer;
        }
        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== Footer ===== */
        .footer-main {
            background: var(--clr-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand .logo-brand {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo-brand .logo-icon {
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-warm));
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--clr-warm);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--clr-warm);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--clr-primary);
            color: #fff;
            border: none;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), opacity var(--transition);
            opacity: 0;
            pointer-events: none;
            cursor: pointer;
            z-index: 999;
        }
        .back-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-top:hover {
            transform: translateY(-4px);
            background: var(--clr-primary-light);
        }

        /* ===== Responsive helpers ===== */
        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 40px 0;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b3d;
            --primary-light: #1a2d5c;
            --primary-dark: #0a122c;
            --accent: #f0b429;
            --accent-hover: #d49f1a;
            --accent-soft: #fef7e8;
            --bg-body: #f4f6fa;
            --bg-card: #ffffff;
            --bg-dark: #0f1b3d;
            --text-dark: #1a1a2e;
            --text-body: #2d3748;
            --text-light: #6b7a8f;
            --text-white: #f0f4f8;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.07);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.10);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* ===== 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-family);
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 1rem;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
        }

        /* ===== 导航 ===== */
        .nav-main {
            background: var(--primary);
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 16px rgba(0,0,0,0.15);
        }
        .nav-main .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.3px;
        }
        .nav-main .logo-brand:hover { color: var(--accent); }
        .nav-main .logo-icon {
            width: 36px; height: 36px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .nav-main .logo-badge {
            font-size: 0.6rem;
            background: rgba(255,255,255,0.15);
            padding: 2px 8px;
            border-radius: 20px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-main .nav-link {
            color: rgba(255,255,255,0.75);
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-main .nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
        .nav-main .nav-link.active { color: #fff; background: rgba(255,255,255,0.12); }
        .nav-main .nav-cta {
            background: var(--accent);
            color: var(--primary);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            margin-left: 8px;
        }
        .nav-main .nav-cta:hover { background: var(--accent-hover); color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(240,180,41,0.35); }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 6px 10px; border-radius: 6px; }
        .nav-toggle:hover { background: rgba(255,255,255,0.08); }
        @media (max-width: 820px) {
            .nav-links { position: fixed; top: 68px; left: 0; right: 0; background: var(--primary-dark); flex-direction: column; padding: 20px 24px; gap: 8px; transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); border-bottom: 2px solid rgba(255,255,255,0.05); }
            .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-main .nav-link { width: 100%; padding: 12px 18px; }
            .nav-main .nav-cta { width: 100%; justify-content: center; margin-left: 0; margin-top: 6px; }
            .nav-toggle { display: block; }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-area {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb-custom a { color: var(--text-light); }
        .breadcrumb-custom a:hover { color: var(--primary); }
        .breadcrumb-custom .sep { color: #ccc; }

        /* ===== 文章头部 ===== */
        .article-header {
            background: #fff;
            padding: 40px 0 32px;
        }
        .article-header .article-category {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
        }
        .article-header h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
            letter-spacing: -0.5px;
            max-width: 840px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            margin-top: 20px;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-meta i { font-size: 0.85rem; }
        .article-meta .author { font-weight: 500; color: var(--text-body); }
        @media (max-width: 768px) {
            .article-header h1 { font-size: 1.6rem; }
            .article-header { padding: 28px 0 20px; }
            .article-meta { gap: 12px 20px; font-size: 0.82rem; }
        }

        /* ===== 文章正文 ===== */
        .article-body-wrap {
            background: #fff;
            padding: 40px 0 48px;
            border-top: 1px solid var(--border-light);
        }
        .article-content {
            max-width: 800px;
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-content p { margin-bottom: 1.4em; }
        .article-content h2 { font-size: 1.6rem; font-weight: 700; color: var(--text-dark); margin: 1.8em 0 0.8em; }
        .article-content h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-dark); margin: 1.6em 0 0.6em; }
        .article-content ul, .article-content ol { margin: 0 0 1.4em 1.6em; }
        .article-content li { margin-bottom: 0.4em; }
        .article-content img { margin: 1.6em 0; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-soft);
            padding: 16px 24px;
            margin: 1.6em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-dark);
            font-style: italic;
        }
        .article-content a { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 2px; }
        .article-content a:hover { color: var(--primary); }
        @media (max-width: 768px) {
            .article-content { font-size: 0.95rem; }
            .article-content h2 { font-size: 1.3rem; }
        }

        /* ===== 标签 + 分享 ===== */
        .article-tags-share {
            background: #fff;
            padding: 24px 0 32px;
            border-top: 1px solid var(--border-light);
        }
        .tags-list { display: flex; flex-wrap: wrap; gap: 10px; }
        .tag-item {
            background: var(--bg-body);
            color: var(--text-light);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-item:hover { background: var(--accent-soft); color: var(--accent-hover); }
        .share-buttons { display: flex; gap: 10px; margin-top: 16px; }
        .share-btn {
            width: 40px; height: 40px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 1rem;
        }
        .share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== 上下篇导航 ===== */
        .article-nav-area {
            background: var(--bg-body);
            padding: 32px 0;
        }
        .article-nav-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .article-nav-item {
            background: #fff;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .article-nav-item:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
        .article-nav-item .nav-label { font-size: 0.78rem; color: var(--text-light); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
        .article-nav-item .nav-title { font-weight: 600; color: var(--text-dark); margin-top: 4px; font-size: 0.95rem; }
        .article-nav-item:hover .nav-title { color: var(--accent-hover); }
        .article-nav-back {
            grid-column: 1 / -1;
            text-align: center;
        }
        .article-nav-back a { color: var(--text-light); font-size: 0.88rem; }
        .article-nav-back a:hover { color: var(--primary); }
        @media (max-width: 640px) {
            .article-nav-wrap { grid-template-columns: 1fr; }
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 56px 0 48px;
            background: #fff;
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title::after {
            content: '';
            flex: 1;
            height: 2px;
            background: linear-gradient(to right, var(--accent), transparent);
            max-width: 200px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--bg-body);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
        .related-card .card-img {
            width: 100%; height: 170px;
            object-fit: cover;
            background: var(--border);
        }
        .related-card .card-body { padding: 18px 20px 20px; }
        .related-card .card-cat {
            font-size: 0.7rem;
            color: var(--accent-hover);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .related-card .card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 6px 0 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a { color: inherit; }
        .related-card .card-title a:hover { color: var(--accent-hover); }
        .related-card .card-date { font-size: 0.8rem; color: var(--text-light); }
        @media (max-width: 640px) {
            .related-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 480px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 56px 0;
            background: var(--primary);
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: var(--primary);
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240,180,41,0.3); }
        @media (max-width: 768px) {
            .cta-section h2 { font-size: 1.4rem; }
        }

        /* ===== 页脚 ===== */
        .footer-main {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 24px;
            border-top: 3px solid var(--accent);
        }
        .footer-main .logo-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-main .logo-brand:hover { color: var(--accent); }
        .footer-main .logo-icon {
            width: 32px; height: 32px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
        }
        .footer-main .logo-badge {
            font-size: 0.55rem;
            background: rgba(255,255,255,0.12);
            padding: 2px 8px;
            border-radius: 20px;
            color: var(--accent);
            font-weight: 600;
        }
        .footer-main p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-col h5 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; letter-spacing: 0.3px; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 0.85rem; transition: var(--transition); display: flex; align-items: center; gap: 8px; }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 540px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
        }

        /* ===== 文章不存在提示 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 24px;
            background: #fff;
            border-radius: var(--radius-lg);
        }
        .not-found-box i { font-size: 3rem; color: var(--text-light); margin-bottom: 16px; }
        .not-found-box h2 { font-size: 1.5rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 20px; }
        .not-found-box .btn-back { background: var(--primary); color: #fff; padding: 10px 28px; border-radius: 30px; font-weight: 500; transition: var(--transition); display: inline-block; }
        .not-found-box .btn-back:hover { background: var(--accent); color: var(--primary); }

        /* ===== 通用辅助 ===== */
        .text-accent { color: var(--accent); }
        .bg-soft-accent { background: var(--accent-soft); }
        .gap-2 { gap: 8px; }
        .mt-1 { margin-top: 4px; }
        .mt-2 { margin-top: 8px; }
        .mt-3 { margin-top: 16px; }
        .mt-4 { margin-top: 24px; }
        .mb-3 { margin-bottom: 16px; }
        .mb-4 { margin-bottom: 24px; }
        .fw-600 { font-weight: 600; }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .breadcrumb-area { padding: 10px 0; }
            .breadcrumb-custom { font-size: 0.78rem; }
        }

/* roulang page: category1 */
/* ==================== 设计变量 ==================== */
        :root {
            --primary: #0b2b5c;
            --primary-light: #1a4a8a;
            --primary-dark: #071b3b;
            --accent: #f56a2c;
            --accent-light: #ff8a50;
            --accent-dark: #d9541a;
            --bg-light: #f5f7fa;
            --bg-white: #ffffff;
            --bg-dark: #0b1a2f;
            --text-dark: #1a2332;
            --text-body: #2d3a4a;
            --text-muted: #6f7d8c;
            --text-light: #a0b0c0;
            --border-color: #e6ebf2;
            --shadow-sm: 0 2px 8px rgba(11, 43, 92, 0.06);
            --shadow-md: 0 6px 24px rgba(11, 43, 92, 0.10);
            --shadow-lg: 0 16px 48px rgba(11, 43, 92, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ==================== 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-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ==================== Container ==================== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ==================== Buttons ==================== */
        .btn-prime {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(245, 106, 44, 0.35);
            cursor: pointer;
        }
        .btn-prime:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 106, 44, 0.45);
        }
        .btn-prime:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }
        .btn-prime i {
            font-size: 1rem;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }
        .btn-white:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ==================== Badge / Tag ==================== */
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(11, 43, 92, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: background var(--transition);
        }
        .badge-tag:hover {
            background: rgba(11, 43, 92, 0.16);
        }
        .badge-tag.accent {
            background: rgba(245, 106, 44, 0.12);
            color: var(--accent-dark);
        }
        .badge-tag.accent:hover {
            background: rgba(245, 106, 44, 0.22);
        }
        .badge-hot {
            display: inline-block;
            padding: 2px 12px;
            background: #fee2d6;
            color: var(--accent-dark);
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        /* ==================== Navigation ==================== */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 6px rgba(11, 43, 92, 0.04);
            transition: box-shadow var(--transition);
        }
        .header-main.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-brand:hover {
            text-decoration: none;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            box-shadow: 0 3px 10px rgba(11, 43, 92, 0.20);
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        .logo-badge {
            font-size: 0.6rem;
            font-weight: 700;
            padding: 2px 10px;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 43, 92, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(11, 43, 92, 0.10);
            font-weight: 600;
        }
        .nav-link:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            text-decoration: none;
            margin-left: 6px;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .nav-cta:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* Mobile toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(11, 43, 92, 0.06);
        }

        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            .nav-main {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 1040;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
                margin-left: 0;
                padding: 12px 16px;
            }
        }

        /* ==================== Hero ==================== */
        .hero-category {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M50 10c0-5.5 4.5-10 10-10s10 4.5 10 10-4.5 10-10 10-10-4.5-10-10zM10 50c0-5.5 4.5-10 10-10s10 4.5 10 10-4.5 10-10 10-10-4.5-10-10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.3;
            pointer-events: none;
        }
        .hero-category .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-category .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            margin-bottom: 24px;
        }
        .hero-category .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .hero-category .breadcrumb-custom a:hover {
            color: #fff;
        }
        .hero-category .breadcrumb-custom span {
            color: rgba(255, 255, 255, 0.4);
        }
        .hero-category h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-category .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .hero-category .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        .hero-category .hero-meta i {
            margin-right: 6px;
        }

        @media (max-width: 768px) {
            .hero-category {
                padding: 56px 0 44px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .hero-sub {
                font-size: 1rem;
            }
        }

        /* ==================== Section通用 ==================== */
        .section-cat {
            padding: 72px 0;
        }
        .section-cat .section-label {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(11, 43, 92, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }
        .section-cat .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-cat .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 36px;
        }
        @media (max-width: 768px) {
            .section-cat {
                padding: 48px 0;
            }
            .section-cat .section-title {
                font-size: 1.5rem;
            }
        }

        /* ==================== Cards ==================== */
        .card-sport {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-sport:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .card-sport .card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 43, 92, 0.06);
            border-radius: var(--radius-sm);
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 16px;
            transition: background var(--transition);
        }
        .card-sport:hover .card-icon {
            background: rgba(11, 43, 92, 0.12);
        }
        .card-sport h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .card-sport p {
            font-size: 0.9rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .card-sport .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-sport .card-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        .card-event {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-event:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .card-event .event-img {
            height: 180px;
            background: var(--primary-dark);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.15);
            font-size: 3rem;
            overflow: hidden;
        }
        .card-event .event-img .event-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .card-event .event-img .event-date-badge {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .card-event .event-body {
            padding: 20px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-event .event-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .card-event .event-body .event-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .card-event .event-body .event-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        .card-event .event-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            flex: 1;
            line-height: 1.6;
        }
        .card-event .event-body .event-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 12px;
        }

        /* ==================== Guide List ==================== */
        .guide-item {
            display: flex;
            gap: 20px;
            padding: 24px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .guide-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .guide-item .guide-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .guide-item .guide-content {
            flex: 1;
        }
        .guide-item .guide-content h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .guide-item .guide-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 600px) {
            .guide-item {
                flex-direction: column;
                gap: 12px;
                padding: 18px 16px;
            }
        }

        /* ==================== Stats ==================== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-item .stat-number .stat-plus {
            color: var(--accent);
            font-weight: 700;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        /* ==================== FAQ ==================== */
        .faq-accordion .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-accordion .faq-item:hover {
            border-color: rgba(11, 43, 92, 0.2);
        }
        .faq-accordion .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            background: none;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            text-align: left;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-accordion .faq-question:hover {
            background: rgba(11, 43, 92, 0.03);
        }
        .faq-accordion .faq-question:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: -3px;
        }
        .faq-accordion .faq-question i {
            font-size: 0.9rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-accordion .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-accordion .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-accordion .faq-answer.open {
            display: block;
        }

        /* ==================== CTA ==================== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        /* ==================== Footer ==================== */
        .footer-main {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .footer-main .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-main .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
            line-height: 1.7;
            max-width: 380px;
        }
        .footer-main .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-main .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-main .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-main .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-main .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-main .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-main .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 820px) {
            .footer-main .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-main .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 540px) {
            .footer-main .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-main .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ==================== Responsive helpers ==================== */
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 14px;
            }
            .section-cat .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ==================== Calendar Table ==================== */
        .calendar-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        .calendar-wrap table {
            margin: 0;
            width: 100%;
        }
        .calendar-wrap th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 14px 16px;
            border: none;
        }
        .calendar-wrap td {
            padding: 14px 16px;
            font-size: 0.88rem;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-color);
            vertical-align: middle;
        }
        .calendar-wrap tr:last-child td {
            border-bottom: none;
        }
        .calendar-wrap tr:hover td {
            background: rgba(11, 43, 92, 0.02);
        }
        @media (max-width: 768px) {
            .calendar-wrap {
                overflow-x: auto;
            }
            .calendar-wrap table {
                min-width: 600px;
            }
        }

        /* ==================== Section alt bg ==================== */
        .bg-alt {
            background: var(--bg-white);
        }
        .bg-soft {
            background: var(--bg-light);
        }

        /* ==================== 文章卡片占位风格 ==================== */
        .news-card-mini {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .news-card-mini:last-child {
            border-bottom: none;
        }
        .news-card-mini .news-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            background: var(--border-color);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.5rem;
        }
        .news-card-mini .news-info {
            flex: 1;
        }
        .news-card-mini .news-info h6 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .news-card-mini .news-info .news-date {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        /* ==================== row gap ==================== */
        .row-gap-4 {
            row-gap: 24px;
        }
        .row-gap-3 {
            row-gap: 16px;
        }