/* roulang page: index */
:root {
            --brand: #dc2626;
            --brand-dark: #b91c1c;
            --deep: #0f172a;
            --ink: #1e293b;
            --muted: #64748b;
            --surface: #f8fafc;
            --border: #e2e8f0;
            --card-radius: 1.25rem;
            --shadow-soft: 0 10px 40px -12px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 20px 50px -12px rgba(220, 38, 38, 0.15);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--ink);
            background: #ffffff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(220, 38, 38, .35);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, .8);
            box-shadow: 0 4px 24px rgba(15, 23, 42, .04);
        }
        .site-header .header-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            min-height: 78px;
            gap: 1rem;
        }
        .logo-main {
            font-size: 1.55rem;
            font-weight: 900;
            letter-spacing: .02em;
            color: var(--deep);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            padding: .4rem .6rem;
            border-radius: .75rem;
            transition: background .25s ease;
        }
        .logo-main:hover {
            background: rgba(220, 38, 38, .06);
        }
        .logo-main i {
            color: var(--brand);
            font-size: 1.35rem;
        }
        .logo-main.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            border-radius: 99px;
            background: var(--brand);
        }
        .logo-main {
            position: relative;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: .35rem;
        }
        .nav-links.left {
            justify-content: flex-end;
        }
        .nav-links.right {
            justify-content: flex-start;
        }
        .nav-link {
            font-size: .95rem;
            font-weight: 600;
            color: var(--ink);
            padding: .5rem 1rem;
            border-radius: 999px;
            transition: background .25s, color .25s;
        }
        .nav-link:hover {
            background: rgba(220, 38, 38, .07);
            color: var(--brand);
        }
        .nav-link.active {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 6px 16px rgba(220, 38, 38, .25);
        }
        .header-cta {
            display: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.35rem;
            color: var(--deep);
            padding: .5rem;
            border-radius: .5rem;
            cursor: pointer;
        }
        .hamburger:hover {
            background: rgba(15, 23, 42, .06);
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 1rem 1.25rem 1.25rem;
            box-shadow: 0 14px 30px rgba(15, 23, 42, .08);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            padding: .8rem 1rem;
            border-radius: .75rem;
            margin-bottom: .3rem;
            transition: background .2s, color .2s;
        }
        .mobile-menu a:hover {
            background: rgba(220, 38, 38, .07);
            color: var(--brand);
        }
        .mobile-menu a.active {
            background: var(--brand);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(120deg, rgba(15, 23, 42, .92), rgba(15, 23, 42, .55)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            padding: 5.5rem 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-size: .82rem;
            font-weight: 600;
            padding: .4rem 1rem;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            margin-bottom: 1.5rem;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -.01em;
            margin-bottom: 1.2rem;
        }
        .hero h1 .accent {
            color: #fca5a5;
        }
        .hero p.lead {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, .85);
            max-width: 640px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .75rem;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-top: 3rem;
            max-width: 560px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 1rem;
            padding: 1rem 1.25rem;
            text-align: center;
            backdrop-filter: blur(6px);
        }
        .hero-stat .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
        }
        .hero-stat .label {
            font-size: .8rem;
            color: rgba(255, 255, 255, .7);
            margin-top: .2rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .4rem;
            font-weight: 600;
            font-size: .95rem;
            padding: .8rem 1.6rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 8px 20px rgba(220, 38, 38, .3);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(220, 38, 38, .35);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-dark-outline {
            background: transparent;
            color: var(--deep);
            border: 1.5px solid #cbd5e1;
        }
        .btn-dark-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
        }
        .btn-light-solid {
            background: #fff;
            color: var(--deep);
            box-shadow: 0 8px 20px rgba(15, 23, 42, .12);
        }
        .btn-light-solid:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }

        /* ===== Section ===== */
        .section {
            padding: 5rem 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-dark {
            background: var(--deep);
            color: #fff;
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 3rem;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--brand);
            background: rgba(220, 38, 38, .08);
            padding: .3rem .9rem;
            border-radius: 999px;
            margin-bottom: 1rem;
        }
        .section-dark .section-eyebrow {
            color: #fca5a5;
            background: rgba(255, 255, 255, .1);
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.01em;
            color: var(--deep);
            margin-bottom: .75rem;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.7;
        }
        .section-dark .section-sub {
            color: rgba(255, 255, 255, .7);
        }

        /* ===== Cards ===== */
        .feature-card {
            background: #fff;
            border-radius: var(--card-radius);
            padding: 2rem 1.75rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-soft);
            transition: transform .3s, box-shadow .3s, border-color .3s;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(220, 38, 38, .25);
        }
        .feature-icon {
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 1rem;
            background: rgba(220, 38, 38, .08);
            color: var(--brand);
            font-size: 1.3rem;
            margin-bottom: 1.25rem;
        }
        .feature-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: .6rem;
            color: var(--deep);
        }
        .feature-card p {
            font-size: .92rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ===== Category Cards ===== */
        .cat-card {
            position: relative;
            border-radius: 1.5rem;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            color: #fff;
            box-shadow: var(--shadow-soft);
            transition: transform .3s, box-shadow .3s;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .cat-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, .85) 0%, rgba(15, 23, 42, .25) 60%, rgba(15, 23, 42, 0) 100%);
            transition: background .3s;
        }
        .cat-card:hover::after {
            background: linear-gradient(to top, rgba(15, 23, 42, .9) 0%, rgba(15, 23, 42, .35) 50%, rgba(15, 23, 42, .1) 100%);
        }
        .cat-card-content {
            position: relative;
            z-index: 2;
            padding: 2rem 1.75rem;
        }
        .cat-card-content .cat-tag {
            background: rgba(255, 255, 255, .18);
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(4px);
            padding: .25rem .8rem;
            border-radius: 999px;
            font-size: .75rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: .7rem;
        }
        .cat-card-content h3 {
            font-size: 1.45rem;
            font-weight: 800;
            margin-bottom: .4rem;
        }
        .cat-card-content p {
            font-size: .92rem;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 1.2rem;
        }
        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-weight: 600;
            font-size: .9rem;
        }

        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .news-item {
            display: block;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 1.1rem;
            padding: 1.35rem 1.5rem;
            transition: all .3s;
        }
        .news-item:hover {
            border-color: rgba(220, 38, 38, .3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: .75rem;
            flex-wrap: wrap;
            margin-bottom: .4rem;
        }
        .news-item .news-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: .35rem;
            line-height: 1.5;
        }
        .news-item:hover .news-title {
            color: var(--brand);
        }
        .news-item .news-desc {
            font-size: .9rem;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-date {
            font-size: .8rem;
            color: #94a3b8;
            margin-left: auto;
            flex-shrink: 0;
        }
        .badge-premium {
            background: rgba(220, 38, 38, .09);
            color: var(--brand);
            font-size: .75rem;
            font-weight: 600;
            padding: .2rem .7rem;
            border-radius: 999px;
        }
        .badge-plain {
            background: #f1f5f9;
            color: var(--muted);
            font-size: .75rem;
            font-weight: 600;
            padding: .2rem .7rem;
            border-radius: 999px;
        }
        .empty-tip {
            text-align: center;
            padding: 2rem;
            color: var(--muted);
            background: #f8fafc;
            border-radius: 1rem;
            border: 1px dashed #cbd5e1;
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-item {
            text-align: center;
            padding: 2rem 1.5rem;
            border-radius: 1.25rem;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            transition: background .3s, transform .3s;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }
        .stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: .88rem;
            color: rgba(255, 255, 255, .65);
            margin-top: .4rem;
        }

        /* ===== Content Cards ===== */
        .content-card {
            background: #fff;
            border-radius: 1.25rem;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-soft);
            transition: transform .3s, box-shadow .3s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .content-card .thumb {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .content-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .content-card:hover .thumb img {
            transform: scale(1.06);
        }
        .content-card .card-body {
            padding: 1.4rem 1.5rem 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--deep);
            line-height: 1.5;
            margin-bottom: .5rem;
            transition: color .25s;
        }
        .content-card:hover .card-body h3 {
            color: var(--brand);
        }
        .content-card .card-body p {
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.65;
            flex: 1;
        }
        .content-card .card-tag {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: .9rem;
        }

        /* ===== Process ===== */
        .process-step {
            text-align: center;
            padding: 2rem 1.25rem;
            position: relative;
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 1.25rem;
            border-radius: 50%;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(220, 38, 38, .3);
        }
        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: .5rem;
        }
        .process-step p {
            font-size: .9rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 240px;
            margin: 0 auto;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 1rem;
            margin-bottom: .9rem;
            overflow: hidden;
            transition: box-shadow .3s, border-color .3s;
        }
        .faq-item:hover {
            border-color: rgba(220, 38, 38, .25);
            box-shadow: var(--shadow-soft);
        }
        .faq-item summary {
            cursor: pointer;
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: .98rem;
            color: var(--deep);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            width: 26px;
            height: 26px;
            min-width: 26px;
            border-radius: 50%;
            background: rgba(220, 38, 38, .08);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .8rem;
            transition: transform .3s, background .3s;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--brand);
            color: #fff;
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.3rem;
            font-size: .92rem;
            color: var(--muted);
            line-height: 1.75;
            border-top: 1px solid #f1f5f9;
            padding-top: 1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 5rem 0;
            background: linear-gradient(105deg, rgba(15, 23, 42, .92), rgba(15, 23, 42, .72)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-title {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 900;
            margin-bottom: 1rem;
        }
        .cta-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.75;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1120;
            color: rgba(255, 255, 255, .7);
            padding: 4rem 0 0;
        }
        .site-footer .footer-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: .75rem;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }
        .site-footer .footer-brand i {
            color: var(--brand);
        }
        .site-footer .footer-desc {
            font-size: .9rem;
            color: rgba(255, 255, 255, .55);
            line-height: 1.75;
            max-width: 320px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 1.1rem;
            letter-spacing: .04em;
        }
        .site-footer .footer-link {
            display: block;
            font-size: .9rem;
            color: rgba(255, 255, 255, .55);
            padding: .35rem 0;
            transition: color .25s, padding-left .25s;
        }
        .site-footer .footer-link:hover {
            color: #fff;
            padding-left: .35rem;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 3rem;
            padding: 1.4rem 0;
            font-size: .82rem;
            color: rgba(255, 255, 255, .4);
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero {
                padding: 4rem 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header .header-inner {
                grid-template-columns: 1fr auto 1fr;
                min-height: 64px;
            }
            .nav-links.desktop-nav {
                display: none;
            }
            .hamburger {
                display: inline-flex;
                justify-self: end;
            }
            .hero {
                min-height: 480px;
                padding: 3.2rem 0;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: .6rem;
            }
            .hero-stat {
                padding: .8rem .5rem;
            }
            .hero-stat .num {
                font-size: 1.15rem;
            }
            .hero-stat .label {
                font-size: .72rem;
            }
            .section {
                padding: 3.5rem 0;
            }
            .section-head {
                margin-bottom: 2rem;
            }
            .cat-card {
                min-height: 260px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .faq-item summary {
                font-size: .92rem;
                padding: 1rem 1.2rem;
            }
            .faq-item .faq-answer {
                padding: .9rem 1.2rem 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p.lead {
                font-size: .98rem;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr 1fr;
                gap: .5rem;
            }
            .hero-stat {
                padding: .7rem .4rem;
                border-radius: .75rem;
            }
            .hero-stat .num {
                font-size: 1rem;
            }
            .hero-stat .label {
                font-size: .68rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: .8rem;
            }
            .stat-item {
                padding: 1.4rem 1rem;
            }
            .stat-item .stat-num {
                font-size: 1.6rem;
            }
            .news-item .news-date {
                margin-left: 0;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .logo-main {
                font-size: 1.25rem;
            }
        }
        @media (max-width: 380px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .nav-links.right {
                display: none;
            }
            .site-header .header-inner {
                grid-template-columns: auto 1fr auto;
            }
            .hamburger {
                grid-column: 3;
            }
            .logo-main {
                grid-column: 1 / -1;
                grid-row: 1;
                justify-self: center;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #E63946;
            --primary-dark: #C1121F;
            --primary-light: #FF6B6B;
            --secondary: #1D3557;
            --secondary-light: #2D4A77;
            --secondary-dark: #14213D;
            --accent: #F4A261;
            --bg-light: #F5F7FA;
            --bg-white: #FFFFFF;
            --bg-dark: #14213D;
            --text-main: #1A1A2E;
            --text-muted: #64748B;
            --text-white: #FFFFFF;
            --border-light: #E8ECF0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.12);
            --shadow-primary: 0 8px 24px rgba(230, 57, 70, 0.28);
            --transition: all 0.3s ease;
            --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        /* ===== 基础 Reset ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
        }
        .header-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            height: 78px;
            gap: 16px;
        }
        .logo-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .logo-main i {
            color: var(--primary);
            font-size: 1.55rem;
            transition: transform 0.4s ease;
        }
        .logo-main:hover i {
            transform: rotate(-12deg) scale(1.1);
        }
        .logo-main:hover {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links.left {
            justify-content: flex-start;
        }
        .nav-links.right {
            justify-content: flex-end;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
            border-color: rgba(230, 57, 70, 0.12);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.1);
            border-color: rgba(230, 57, 70, 0.16);
            font-weight: 700;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--secondary);
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .hamburger:hover {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            border-color: rgba(230, 57, 70, 0.2);
        }
        .hamburger.open {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            padding: 12px 20px 20px;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.open {
            display: block;
            animation: menuSlideDown 0.3s ease;
        }
        @keyframes menuSlideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .mobile-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 15px 18px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .mobile-nav-link:last-child {
            border-bottom: none;
        }
        .mobile-nav-link i {
            color: var(--primary);
            width: 22px;
            text-align: center;
        }
        .mobile-nav-link:hover {
            background: var(--bg-light);
            color: var(--primary);
        }
        .mobile-nav-link.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.98rem;
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-primary);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(230, 57, 70, 0.38);
        }
        .btn-primary:active {
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-light:focus-visible,
        .nav-link:focus-visible,
        .logo-main:focus-visible,
        .hamburger:focus-visible,
        .footer-link:focus-visible,
        .faq-q:focus-visible {
            outline: 3px solid rgba(230, 57, 70, 0.4);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: transparent;
            color: var(--text-white);
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.98rem;
            border: 2px solid rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            transform: translateY(-3px);
        }
        .btn-outline:active {
            transform: translateY(-1px);
        }
        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--bg-white);
            color: var(--secondary);
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.98rem;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .btn-light:hover {
            background: var(--secondary);
            color: var(--text-white);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .btn-light:active {
            transform: translateY(-1px);
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            position: relative;
            padding: 170px 0 110px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: var(--text-white);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(138deg,
                    rgba(20, 33, 61, 0.9) 0%,
                    rgba(29, 53, 87, 0.76) 46%,
                    rgba(230, 57, 70, 0.38) 100%);
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.28) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.28);
            border-radius: 100px;
            font-size: 0.86rem;
            font-weight: 600;
            backdrop-filter: blur(8px);
            margin-bottom: 26px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 22px;
        }
        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.86);
            max-width: 660px;
            margin-bottom: 36px;
            line-height: 1.85;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 54px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            max-width: 760px;
        }
        .hero-stat {
            padding: 16px 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-md);
            backdrop-filter: blur(6px);
            text-align: center;
        }
        .hero-stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.78);
            margin-top: 2px;
        }

        /* ===== 板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            border-radius: 100px;
            font-size: 0.84rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(230, 57, 70, 0.14);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 1.02rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== 标签胶囊 ===== */
        .tag-pills {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 54px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 100px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .tag-pill i {
            color: var(--primary);
        }
        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .tag-pill.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .tag-pill.active i {
            color: #fff;
        }

        /* ===== 赛事分类卡片 ===== */
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .category-card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.08);
        }
        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(20, 33, 61, 0.55) 100%);
        }
        .category-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 100px;
            backdrop-filter: blur(6px);
        }
        .category-card-body {
            padding: 22px 22px 26px;
        }
        .category-card-title {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .category-card-title i {
            color: var(--primary);
            font-size: 1.05rem;
        }
        .category-card-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
        }
        .category-card-link i {
            transition: transform 0.3s ease;
        }
        .category-card:hover .category-card-link i {
            transform: translateX(5px);
        }

        /* ===== 资讯列表 ===== */
        .news-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 26px 18px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            margin-bottom: 14px;
        }
        .news-item:hover {
            border-color: rgba(230, 57, 70, 0.25);
            box-shadow: var(--shadow-md);
            transform: translateX(6px);
        }
        .news-date-box {
            flex-shrink: 0;
            width: 66px;
            height: 66px;
            border-radius: var(--radius-md);
            background: linear-gradient(145deg, var(--secondary), var(--navy-light));
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            line-height: 1.2;
        }
        .news-date-day {
            font-size: 1.45rem;
            font-weight: 800;
        }
        .news-date-month {
            font-size: 0.72rem;
            opacity: 0.85;
            font-weight: 600;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }
        .news-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            background: rgba(230, 57, 70, 0.09);
            color: var(--primary);
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 700;
        }
        .news-cat {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
            transition: var(--transition);
            line-height: 1.5;
        }
        .news-item:hover .news-title {
            color: var(--primary);
        }
        .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 侧栏卡片 */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 22px;
        }
        .sidebar-card-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card-title i {
            color: var(--primary);
        }
        .sidebar-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            padding: 6px 16px;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: 100px;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-light);
            transition: var(--transition);
        }
        .schedule-item:last-child {
            border-bottom: none;
        }
        .schedule-item:hover {
            padding-left: 8px;
        }
        .schedule-time {
            flex-shrink: 0;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-xs);
        }
        .schedule-name {
            font-size: 0.9rem;
            font-weight: 600;
            flex: 1;
        }
        .schedule-league {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== 数据看板 ===== */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 90px 0;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.3) 0%, transparent 70%);
        }
        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.2) 0%, transparent 70%);
        }
        .stats-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .stat-card {
            text-align: center;
            padding: 38px 22px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 服务流程 ===== */
        .process-card {
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 34px 26px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
        }
        .process-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 57, 70, 0.2);
        }
        .process-step {
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 0.95rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-primary);
        }
        .process-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 18px;
            border-radius: 20px;
            background: linear-gradient(145deg, rgba(230, 57, 70, 0.1), rgba(230, 57, 70, 0.04));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            color: var(--primary);
        }
        .process-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .process-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(230, 57, 70, 0.3);
            box-shadow: var(--shadow-md);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 22px 26px;
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-main);
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-q:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: transform 0.35s ease, background 0.35s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(135deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease;
        }
        .faq-a-inner {
            padding: 0 26px 24px;
            font-size: 0.94rem;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px dashed var(--border-light);
            margin: 0 26px;
            padding-top: 16px;
            padding-left: 0;
            padding-right: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 33, 61, 0.92), rgba(29, 53, 87, 0.82), rgba(230, 57, 70, 0.55));
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 70px 0 26px;
            font-size: 0.92rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand i {
            color: var(--primary-light);
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }
        .footer-link {
            display: block;
            padding: 5px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 50px;
            padding-top: 24px;
            text-align: center;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.46);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                max-width: 520px;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: inline-flex;
                justify-self: end;
            }
            .header-inner {
                grid-template-columns: 1fr auto 1fr;
                height: 68px;
            }
            .logo-main {
                font-size: 1.18rem;
                justify-self: center;
            }
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-section {
                padding: 130px 0 70px;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .cta-title {
                font-size: 1.8rem;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date-box {
                width: 56px;
                height: 56px;
            }
            .news-date-day {
                font-size: 1.2rem;
            }
            .footer-grid {
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .header-inner {
                gap: 8px;
            }
            .logo-main {
                font-size: 1.05rem;
                gap: 7px;
            }
            .logo-main i {
                font-size: 1.25rem;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.93rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card {
                padding: 26px 14px;
            }
            .btn-primary,
            .btn-outline,
            .btn-light {
                padding: 12px 26px;
                font-size: 0.92rem;
            }
            .cta-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .faq-q {
                padding: 18px 20px;
                font-size: 0.95rem;
            }
            .faq-a-inner {
                margin: 0 18px;
            }
            .process-card {
                padding: 28px 18px;
            }
            .news-date-box {
                display: none;
            }
            .site-footer {
                padding: 50px 0 22px;
            }
        }
        @media (max-width: 380px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
    --primary: #0f766e;
    --primary-dark: #115e59;
    --primary-light: #ccfbf1;
    --accent: #f59e0b;
    --accent-light: #fef3c7;
    --bg: #f6f7fb;
    --white: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 4px 24px rgba(15, 118, 110, 0.06);
    --shadow-lg: 0 16px 44px rgba(15, 118, 110, 0.14);
    --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  }

  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    text-decoration: none;
    color: inherit;
  }

  button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
  }

  .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ========== Header ========== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  }

  .header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 80px;
    gap: 16px;
  }

  .logo-main {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.45rem;
    font-weight: 900;
    color: var(--text);
    letter-spacing: 1px;
    transition: var(--transition);
    border-radius: 14px;
    padding: 6px 14px;
  }

  .logo-main i {
    color: var(--primary);
    font-size: 1.6rem;
    transition: var(--transition);
  }

  .logo-main.active {
    color: var(--primary);
    background: var(--primary-light);
  }

  .logo-main:hover {
    transform: translateY(-2px);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .nav-links.left {
    justify-content: flex-start;
  }

  .nav-links.right {
    justify-content: flex-end;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
    border: 1px solid transparent;
  }

  .nav-link i {
    color: var(--primary);
  }

  .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
    border-color: rgba(15, 118, 110, 0.15);
    transform: translateY(-1px);
  }

  .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    border-color: rgba(15, 118, 110, 0.15);
    font-weight: 600;
  }

  .hamburger {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text);
    transition: var(--transition);
  }

  .hamburger:hover {
    background: var(--bg);
    color: var(--primary);
  }

  .hamburger.open i::before {
    content: "\f00d";
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 99;
  }

  .mobile-menu.open {
    display: block;
    animation: fadeInDown 0.28s ease;
  }

  .mobile-menu-inner {
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 6px;
  }

  .mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
    border: 1px solid transparent;
  }

  .mobile-nav-link i {
    color: var(--primary);
    width: 22px;
    text-align: center;
  }

  .mobile-nav-link:hover,
  .mobile-nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: rgba(15, 118, 110, 0.15);
  }

  @keyframes fadeInDown {
    from {
      opacity: 0;
      transform: translateY(-12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* ========== Page Banner ========== */
  .page-banner {
    position: relative;
    padding: 96px 0;
    background-size: cover;
    background-position: center;
    background-color: #0f172a;
  }

  .banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 118, 110, 0.78));
  }

  .banner-content {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
    color: #fff;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 22px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    flex-wrap: wrap;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.92);
    transition: var(--transition);
  }

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

  .breadcrumb i {
    font-size: 0.68rem;
    opacity: 0.6;
  }

  .breadcrumb-current {
    color: #fff;
    font-weight: 500;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 24px;
    backdrop-filter: blur(6px);
  }

  .banner-content h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 18px;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.2);
  }

  .banner-content p {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* ========== Article Main ========== */
  .article-main {
    padding: 56px 0;
  }

  .article-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 42px;
    border: 1px solid rgba(226, 232, 240, 0.8);
  }

  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-bottom: 24px;
    margin-bottom: 28px;
    border-bottom: 1px dashed var(--border);
  }

  .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-light);
    background: var(--bg);
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(226, 232, 240, 0.7);
  }

  .meta-item i {
    color: var(--primary);
  }

  .article-content {
    font-size: 1.02rem;
    line-height: 1.9;
    color: #334155;
  }

  .article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 34px 0 16px;
    padding-left: 15px;
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
  }

  .article-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin: 28px 0 12px;
  }

  .article-content p {
    margin-bottom: 18px;
  }

  .article-content ul,
  .article-content ol {
    margin: 0 0 20px 26px;
  }

  .article-content li {
    margin-bottom: 8px;
  }

  .article-content blockquote {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 16px 22px;
    border-radius: var(--radius-sm);
    margin: 24px 0;
    color: var(--primary-dark);
    font-style: italic;
  }

  .article-content img {
    border-radius: var(--radius-sm);
    margin: 24px 0;
    box-shadow: var(--shadow);
  }

  .article-content a {
    color: var(--primary);
    border-bottom: 1px solid rgba(15, 118, 110, 0.3);
    transition: var(--transition);
  }

  .article-content a:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
  }

  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.92rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
  }

  .article-content th,
  .article-content td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
  }

  .article-content th {
    background: var(--bg);
    font-weight: 600;
  }

  .article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px dashed var(--border);
  }

  .article-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--bg);
    color: var(--text-light);
    font-size: 0.85rem;
    transition: var(--transition);
    border: 1px solid rgba(226, 232, 240, 0.6);
  }

  .article-tag:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: rgba(15, 118, 110, 0.2);
  }

  /* ========== Not Found ========== */
  .not-found {
    text-align: center;
    padding: 48px 20px;
  }

  .not-found-icon {
    width: 76px;
    height: 76px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: #fef2f2;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    border: 1px solid #fee2e2;
  }

  .not-found h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
  }

  .not-found p {
    color: var(--text-light);
    margin-bottom: 26px;
  }

  /* ========== Sidebar ========== */
  .sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 110px;
  }

  .sidebar-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition);
  }

  .sidebar-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(15, 118, 110, 0.2);
  }

  .sidebar-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
  }

  .sidebar-card h3 i {
    color: var(--primary);
    font-size: 1.1rem;
  }

  .sidebar-card p {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.85;
  }

  .sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    color: var(--text);
    font-weight: 500;
    margin-bottom: 8px;
    transition: var(--transition);
    border: 1px solid transparent;
    font-size: 0.95rem;
  }

  .sidebar-link i {
    color: var(--primary);
    width: 20px;
    text-align: center;
  }

  .sidebar-link:hover {
    background: var(--primary-light);
    border-color: rgba(15, 118, 110, 0.2);
    color: var(--primary);
    transform: translateX(4px);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    text-align: center;
  }

  .stats-grid div {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: var(--transition);
  }

  .stats-grid div:hover {
    background: var(--primary-light);
    border-color: rgba(15, 118, 110, 0.2);
  }

  .stat-num {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.2;
  }

  .stats-grid span:last-child {
    font-size: 0.74rem;
    color: var(--text-light);
  }

  /* ========== Section Header ========== */
  .section-header {
    text-align: center;
    margin-bottom: 44px;
  }

  .section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 14px;
  }

  .section-header h2 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 900;
    color: var(--text);
    line-height: 1.3;
  }

  .section-header p {
    color: var(--text-light);
    margin-top: 10px;
    font-size: 0.98rem;
  }

  /* ========== Related ========== */
  .related-section {
    padding: 64px 0;
    background: linear-gradient(180deg, var(--bg) 0%, #edf2f7 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .article-card-link {
    display: block;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition);
    height: 100%;
  }

  .article-card-link:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(15, 118, 110, 0.3);
  }

  .cover-wrap {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
  }

  .cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
  }

  .article-card-link:hover .cover-img {
    transform: scale(1.06);
  }

  .cover-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(15, 118, 110, 0.92);
    color: #fff;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
  }

  .article-card-body {
    padding: 22px;
  }

  .article-card-body h3 {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.55;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text);
  }

  .article-card-body p {
    font-size: 0.87rem;
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
    line-height: 1.7;
  }

  .article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-light);
    border-top: 1px dashed var(--border);
    padding-top: 12px;
  }

  .article-card-meta i {
    color: var(--primary);
  }

  .empty-tip {
    text-align: center;
    padding: 40px;
    background: var(--white);
    border-radius: var(--radius);
    color: var(--text-light);
    font-size: 0.95rem;
    box-shadow: var(--shadow);
  }

  /* ========== CTA ========== */
  .cta-section {
    padding: 64px 0;
  }

  .cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    background: linear-gradient(135deg, #0f172a 0%, #0f766e 100%);
    border-radius: 24px;
    padding: 46px 50px;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .cta-box::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
  }

  .cta-box::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 30px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
  }

  .cta-box h2 {
    font-size: 1.7rem;
    font-weight: 900;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
  }

  .cta-box p {
    opacity: 0.85;
    position: relative;
    z-index: 1;
    max-width: 480px;
  }

  .cta-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: 0 4px 16px rgba(15, 118, 110, 0.25);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(15, 118, 110, 0.35);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
  }

  .btn-primary:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.4);
    outline-offset: 2px;
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    background: transparent;
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
  }

  .btn-ghost:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
  }

  .btn-ghost:active {
    transform: translateY(0);
  }

  .btn-ghost:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.4);
    outline-offset: 2px;
  }

  /* ========== FAQ ========== */
  .faq-section {
    padding: 64px 0;
    background: var(--white);
  }

  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1080px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 30px;
    border: 1px solid transparent;
    transition: var(--transition);
  }

  .faq-item:hover {
    border-color: rgba(15, 118, 110, 0.25);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
    background: #fff;
  }

  .faq-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
  }

  .faq-item h3 i {
    color: var(--primary);
    font-size: 1.08rem;
  }

  .faq-item p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.85;
  }

  /* ========== Footer ========== */
  .site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 64px 0 0;
  }

  .footer-grid {
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 14px;
  }

  .footer-brand i {
    color: #2dd4bf;
  }

  .footer-desc {
    font-size: 0.88rem;
    line-height: 1.8;
    color: #94a3b8;
  }

  .site-footer h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .footer-link {
    display: block;
    color: #94a3b8;
    font-size: 0.88rem;
    margin-bottom: 10px;
    transition: var(--transition);
  }

  .footer-link:hover {
    color: #2dd4bf;
    padding-left: 6px;
  }

  .footer-bottom {
    text-align: center;
    padding: 22px 0;
    font-size: 0.85rem;
    color: #64748b;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  /* ========== Responsive ========== */
  @media (max-width: 1024px) {
    .article-main > .container > .grid {
      grid-template-columns: 1fr;
    }

    .sidebar {
      position: static;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .faq-grid {
      grid-template-columns: 1fr;
    }

    .cta-box {
      flex-direction: column;
      text-align: center;
      padding: 40px 32px;
    }

    .cta-box p {
      max-width: 100%;
    }
  }

  @media (max-width: 768px) {
    .desktop-nav {
      display: none !important;
    }

    .hamburger {
      display: flex;
    }

    .header-inner {
      grid-template-columns: 1fr auto 1fr;
      height: 70px;
    }

    .logo-main {
      font-size: 1.2rem;
      padding: 4px 10px;
    }

    .logo-main i {
      font-size: 1.3rem;
    }

    .page-banner {
      padding: 72px 0;
    }

    .article-card {
      padding: 24px;
    }

    .sidebar {
      grid-template-columns: 1fr;
    }

    .cta-box {
      padding: 32px 24px;
    }

    .cta-box h2 {
      font-size: 1.4rem;
    }

    .footer-grid {
      gap: 32px;
    }
  }

  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }

    .header-inner {
      height: 62px;
    }

    .logo-main span {
      font-size: 1.05rem;
    }

    .logo-main i {
      font-size: 1.15rem;
    }

    .hamburger {
      width: 38px;
      height: 38px;
    }

    .page-banner {
      padding: 56px 0;
    }

    .banner-content h1 {
      font-size: 1.5rem;
    }

    .banner-badge {
      font-size: 0.8rem;
      padding: 6px 14px;
    }

    .breadcrumb {
      font-size: 0.78rem;
      gap: 6px;
    }

    .article-main {
      padding: 36px 0;
    }

    .article-card {
      padding: 20px 16px;
    }

    .article-meta {
      gap: 6px;
    }

    .meta-item {
      padding: 4px 10px;
      font-size: 0.76rem;
    }

    .article-content {
      font-size: 0.98rem;
    }

    .article-content h2 {
      font-size: 1.25rem;
    }

    .article-content h3 {
      font-size: 1.1rem;
    }

    .stats-grid {
      gap: 6px;
    }

    .stats-grid div {
      padding: 12px 6px;
    }

    .stat-num {
      font-size: 1.15rem;
    }

    .cta-actions {
      flex-direction: column;
      width: 100%;
    }

    .btn-primary,
    .btn-ghost {
      justify-content: center;
      width: 100%;
    }

    .faq-item {
      padding: 22px 18px;
    }

    .faq-item h3 {
      font-size: 0.98rem;
    }

    .footer-bottom {
      font-size: 0.78rem;
    }
  }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --brand: #10b981;
            --brand-dark: #0d9668;
            --brand-light: #d1fae5;
            --brand-soft: #ecfdf5;
            --accent: #f59e0b;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --text: #1e293b;
            --text-soft: #64748b;
            --border: #e2e8f0;
            --bg: #f8fafc;
            --white: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(15, 23, 42, .08);
            --shadow-lg: 0 24px 50px rgba(15, 23, 42, .14);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: 999px;
            box-shadow: 0 8px 24px rgba(16, 185, 129, .35);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(16, 185, 129, .42);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(16, 185, 129, .3);
        }
        .btn-primary:focus-visible,
        .btn-outline:focus-visible {
            outline: 3px solid rgba(16, 185, 129, .4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            border: 1.5px solid rgba(255, 255, 255, .7);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: 999px;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .2);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--dark);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 999px;
            transition: var(--transition);
        }
        .btn-dark:hover {
            background: #1e293b;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(15, 23, 42, .25);
        }

        /* ========== 头部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(226, 232, 240, .8);
            box-shadow: 0 4px 20px rgba(15, 23, 42, .04);
        }

        .header-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            height: 74px;
            position: relative;
            gap: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links.left {
            justify-content: flex-start;
        }
        .nav-links.right {
            justify-content: flex-end;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-soft);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--brand-dark);
            background: var(--brand-soft);
            border-color: rgba(16, 185, 129, .18);
        }
        .nav-link.active {
            color: var(--brand-dark);
            background: var(--brand-soft);
            border-color: rgba(16, 185, 129, .25);
            font-weight: 600;
        }

        .logo-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--dark);
            padding: 6px 16px;
            border-radius: 999px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .logo-main i {
            color: var(--brand);
            font-size: 22px;
        }
        .logo-main:hover {
            color: var(--brand-dark);
            background: var(--brand-soft);
        }
        .logo-main.active::after {
            content: "";
            display: none;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--dark);
            background: var(--brand-soft);
            border: 1px solid rgba(16, 185, 129, .18);
            transition: var(--transition);
        }
        .hamburger:hover {
            background: var(--brand-light);
        }
        .hamburger.open {
            background: var(--dark);
            color: #fff;
        }

        /* 移动端抽屉菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 74px;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 18px 24px 24px;
            border-radius: 0 0 24px 24px;
            transform: translateY(-16px);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu .mobile-link {
            display: block;
            padding: 13px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border: 1px solid transparent;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .mobile-menu .mobile-link:hover {
            background: var(--brand-soft);
            color: var(--brand-dark);
        }
        .mobile-menu .mobile-link.active {
            background: var(--brand-soft);
            border-color: rgba(16, 185, 129, .2);
            color: var(--brand-dark);
            font-weight: 600;
        }
        .mobile-menu .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            color: var(--dark);
            padding: 6px 12px;
            margin-bottom: 12px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 14px;
        }
        .mobile-menu .mobile-logo i {
            color: var(--brand);
        }

        /* ========== 页面 Hero ========== */
        .page-hero {
            position: relative;
            padding: 110px 0 100px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            isolation: isolate;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(8, 15, 30, .88) 0%, rgba(8, 15, 30, .68) 48%, rgba(8, 15, 30, .35) 100%);
            z-index: -1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(10px);
            color: #fff;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: .5px;
        }
        .hero-badge i {
            color: #34d399;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 96px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--brand-dark);
            background: var(--brand-soft);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            letter-spacing: -.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 620px;
            line-height: 1.8;
        }

        /* ========== 亮点卡片 ========== */
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--brand), #34d399);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .45s ease;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(16, 185, 129, .3);
        }
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand-dark);
            background: var(--brand-soft);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--brand);
            color: #fff;
            transform: scale(1.06) rotate(-4deg);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .feature-card p {
            font-size: 14.5px;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* ========== 图文内容卡 ========== */
        .guide-card {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            background: #fff;
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(16, 185, 129, .25);
        }
        .guide-card.reverse {
            direction: rtl;
        }
        .guide-card.reverse>* {
            direction: ltr;
        }
        .guide-img {
            min-height: 280px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .guide-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 185, 129, .08), transparent 60%);
        }
        .guide-body {
            padding: 42px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .guide-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-soft);
            color: var(--brand-dark);
            font-size: 12.5px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .guide-body h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .guide-body p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand-dark);
            font-weight: 600;
            font-size: 14.5px;
            transition: var(--transition);
        }
        .guide-link:hover {
            gap: 12px;
            color: var(--brand);
        }

        /* ========== 资讯列表 ========== */
        .post-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(16, 185, 129, .25);
        }
        .post-cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .post-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .post-card:hover .post-cover img {
            transform: scale(1.06);
        }
        .post-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 15, 30, .18), transparent 55%);
        }
        .post-tag {
            position: absolute;
            bottom: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, .92);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }
        .post-body {
            padding: 22px 22px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-body h3 {
            font-size: 16.5px;
            font-weight: 700;
            line-height: 1.55;
            color: var(--dark);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .post-card:hover .post-body h3 {
            color: var(--brand-dark);
        }
        .post-body p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
            flex: 1;
        }
        .post-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px dashed var(--border);
            font-size: 13px;
            color: var(--text-soft);
        }
        .post-meta i {
            color: var(--brand);
            margin-right: 4px;
        }

        /* ========== 深色数据流程区 ========== */
        .dark-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #134e4a 100%);
            color: #fff;
            border-radius: 28px;
            position: relative;
            overflow: hidden;
        }
        .dark-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(16, 185, 129, .18);
            filter: blur(60px);
        }
        .stat-block {
            text-align: center;
            padding: 28px 16px;
            border-radius: 18px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .stat-block:hover {
            background: rgba(16, 185, 129, .12);
            border-color: rgba(16, 185, 129, .35);
            transform: translateY(-4px);
        }
        .stat-num {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, #34d399, #a7f3d0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-label {
            font-size: 14px;
            color: #cbd5e1;
            margin-top: 6px;
            letter-spacing: .5px;
        }

        .process-wrap {
            position: relative;
            z-index: 2;
        }
        .process-step {
            position: relative;
            text-align: center;
            padding: 24px 18px;
        }
        .process-line {
            position: absolute;
            top: 40px;
            left: calc(50% + 44px);
            right: calc(-50% + 44px);
            height: 2px;
            background: linear-gradient(90deg, rgba(16, 185, 129, .5), rgba(16, 185, 129, .15));
            display: none;
        }
        .process-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            font-weight: 800;
            color: var(--brand-dark);
            background: #ecfdf5;
            border: 2px solid rgba(16, 185, 129, .25);
            box-shadow: 0 8px 20px rgba(16, 185, 129, .2);
            transition: var(--transition);
        }
        .process-step:hover .process-num {
            background: var(--brand);
            color: #fff;
            transform: scale(1.08);
        }
        .process-step h4 {
            font-size: 16.5px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: #cbd5e1;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(16, 185, 129, .3);
        }
        .faq-item.active {
            border-color: rgba(16, 185, 129, .35);
            box-shadow: var(--shadow);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-q i {
            color: var(--brand);
            font-size: 14px;
            transition: transform .4s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .45s cubic-bezier(.4, 0, .2, 1);
        }
        .faq-a-inner {
            padding: 0 24px 22px;
            font-size: 14.5px;
            color: var(--text-soft);
            line-height: 1.8;
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            padding: 80px 56px;
            isolation: isolate;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(6, 12, 25, .9) 0%, rgba(13, 150, 104, .78) 100%);
            z-index: -1;
        }
        .cta-title {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
        }
        .cta-desc {
            color: rgba(255, 255, 255, .85);
            font-size: 16px;
            max-width: 520px;
            line-height: 1.8;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 72px 0 0;
            margin-top: 96px;
        }
        .footer-grid {
            margin-bottom: 48px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand i {
            color: var(--brand);
        }
        .footer-desc {
            font-size: 14.5px;
            line-height: 1.8;
            color: #94a3b8;
        }
        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            border-radius: 4px;
            background: var(--brand);
        }
        .footer-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            font-size: 14.5px;
            color: #94a3b8;
            transition: var(--transition);
        }
        .footer-link i {
            font-size: 12px;
            color: var(--brand);
        }
        .footer-link:hover {
            color: #34d399;
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, .15);
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: #94a3b8;
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .section {
                padding: 76px 0;
            }
            .section-title {
                font-size: 30px;
            }
            .guide-body {
                padding: 32px 28px;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: inline-flex;
                position: absolute;
                right: 0;
                top: 50%;
                transform: translateY(-50%);
            }
            .mobile-menu {
                display: block;
            }
            .header-inner {
                height: 66px;
            }
            .page-hero {
                padding: 80px 0 70px;
                background-attachment: scroll;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .guide-card,
            .guide-card.reverse {
                grid-template-columns: 1fr;
                direction: ltr;
            }
            .guide-img {
                min-height: 220px;
            }
            .cta-section {
                padding: 50px 28px;
            }
            .cta-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .header-inner {
                gap: 8px;
            }
            .logo-main {
                font-size: 17px;
                padding: 4px 10px;
            }
            .logo-main i {
                font-size: 18px;
            }
            .page-hero {
                padding: 64px 0 56px;
            }
            .section-title {
                font-size: 23px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .guide-body {
                padding: 26px 22px;
            }
            .stat-num {
                font-size: 30px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 14px;
            }
            .footer-bottom {
                font-size: 13px;
            }
        }