/* roulang page: index */
:root {
            --color-primary: #0A1E3C;
            --color-primary-light: #122A54;
            --color-primary-deep: #081728;
            --color-accent: #C9A227;
            --color-accent-light: #E6C34A;
            --color-accent-dark: #A8841B;
            --color-bg: #F5F6FA;
            --color-bg-white: #FFFFFF;
            --color-text: #1B1D29;
            --color-text-light: #6B7280;
            --color-text-muted: #9CA3AF;
            --color-text-white: #F8F9FC;
            --color-border: #E2E5EE;
            --color-success: #16A47C;
            --color-danger: #DC2626;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(10, 30, 60, 0.08);
            --shadow-md: 0 6px 20px rgba(10, 30, 60, 0.1);
            --shadow-lg: 0 14px 40px rgba(10, 30, 60, 0.14);
            --shadow-accent: 0 6px 20px rgba(201, 162, 39, 0.35);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 28px;
            --space-lg: 44px;
            --space-xl: 72px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --sidebar-width: 264px;
            --transition-base: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            transition: var(--transition-base);
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 15px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        input:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            transition: var(--transition-base);
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #0A1E3C;
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 162, 39, 0.45);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-light:hover {
            background: var(--color-bg);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-lg {
            padding: 16px 44px;
            font-size: 16px;
        }

        /* 侧边栏 */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: linear-gradient(180deg, var(--color-primary-deep) 0%, var(--color-primary) 100%);
            color: var(--color-text-white);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 32px 22px;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 2px 0 24px rgba(6, 20, 40, 0.16);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .sidebar-logo {
            display: block;
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.6px;
            color: #fff;
            padding: 10px 12px 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
            line-height: 1.5;
        }
        .sidebar-logo .logo-accent {
            color: var(--color-accent-light);
        }
        .sidebar-logo .logo-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 2px;
            margin-top: 4px;
            text-transform: uppercase;
        }
        .main-nav {
            flex: 1;
            overflow-y: auto;
        }
        .main-nav ul {
            list-style: none;
        }
        .main-nav li {
            margin-bottom: 4px;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.68);
            font-size: 14.5px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: var(--transition-base);
        }
        .main-nav a .nav-icon {
            font-size: 18px;
            width: 22px;
            text-align: center;
            opacity: 0.75;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.07);
            border-left-color: var(--color-accent);
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(201, 162, 39, 0.15);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }
        .sidebar-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            margin-top: 16px;
            text-align: center;
        }
        .sidebar-footer p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.6;
        }

        /* 移动端头部 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--color-primary);
            z-index: 1100;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 12px rgba(10, 30, 60, 0.25);
        }
        .mobile-logo {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: calc(100vw - 76px);
        }
        .mobile-logo .logo-accent {
            color: var(--color-accent-light);
        }
        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-menu-btn.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-menu-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 遮罩 */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(8, 20, 40, 0.5);
            z-index: 1050;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
        }
        .sidebar-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* 主内容 */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 92px 48px 72px;
            background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary) 45%, #17345E 100%);
            color: #fff;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            animation: fadeUp 0.8s ease-out both;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 162, 39, 0.16);
            border: 1px solid rgba(201, 162, 39, 0.4);
            color: var(--color-accent-light);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 22px;
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero h1 .hero-highlight {
            color: var(--color-accent-light);
        }
        .hero-desc {
            font-size: 16.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
        }
        .hero-meta span::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        /* 通用 section */
        .section {
            padding: 72px 48px;
        }
        .section-header {
            margin-bottom: 40px;
            max-width: 680px;
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-header.between {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            max-width: none;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            background: rgba(201, 162, 39, 0.1);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 15.5px;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .link-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent-dark);
            padding-bottom: 4px;
            border-bottom: 2px solid transparent;
        }
        .link-more:hover {
            border-bottom-color: var(--color-accent);
        }

        /* 核心优势 */
        .features {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.35s ease;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 162, 39, 0.3);
        }
        .feature-card:hover::after {
            transform: scaleX(1);
        }
        .feature-icon {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
            margin-bottom: 16px;
            line-height: 1;
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* 分类入口 */
        .categories {
            background: var(--color-bg);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
            display: block;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 162, 39, 0.25);
        }
        .category-media {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--color-primary);
        }
        .category-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-media img {
            transform: scale(1.06);
        }
        .category-count {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(10, 30, 60, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        .category-body {
            padding: 24px 24px 22px;
        }
        .category-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .category-body p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .category-more {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--color-accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .category-card:hover .category-more {
            gap: 10px;
        }

        /* 资讯列表 */
        .news {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 22px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: var(--transition-base);
            position: relative;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 162, 39, 0.25);
            transform: translateX(6px);
        }
        .news-item-date {
            min-width: 70px;
            text-align: center;
            padding: 10px 12px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 13px;
            line-height: 1.5;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .news-item-date .date-day {
            font-size: 18px;
            font-weight: 700;
        }
        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-content h3 {
            font-size: 16.5px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item-content p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-item-tags {
            display: flex;
            gap: 8px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-accent-dark);
            background: rgba(201, 162, 39, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(201, 162, 39, 0.2);
        }
        .news-arrow {
            font-size: 20px;
            color: var(--color-text-muted);
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .news-item:hover .news-arrow {
            color: var(--color-accent);
            transform: translateX(4px);
        }
        .empty-tip {
            padding: 48px;
            text-align: center;
            color: var(--color-text-light);
            font-size: 15px;
            background: #FAFAFC;
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }

        /* 数据统计 */
        .stats-section {
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 60px 48px;
            position: relative;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 30, 60, 0.88);
        }
        .stats-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-accent-light);
            display: block;
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: 1px;
        }
        .stat-label {
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* 服务流程 */
        .process {
            background: var(--color-bg);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            position: relative;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
            text-align: center;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent-light);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.65;
            margin: 0;
        }
        .process-step:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 50%;
            font-size: 20px;
            color: var(--color-accent);
            font-weight: 700;
            transform: translateY(-50%);
            z-index: 2;
        }

        /* FAQ */
        .faq {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.4fr;
            gap: 56px;
            align-items: start;
        }
        .faq-side {
            position: sticky;
            top: 40px;
        }
        .faq-side h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .faq-side p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: #fff;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item.open {
            border-color: rgba(201, 162, 39, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            background: none;
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-icon {
            font-size: 22px;
            font-weight: 400;
            color: var(--color-accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 22px 20px;
            font-size: 14.5px;
            color: var(--color-text-light);
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            padding: 64px 48px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 30px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(255, 255, 255, 0.7);
            padding: 0 48px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            padding: 56px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-logo .logo-accent {
            color: var(--color-accent-light);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition-base);
        }
        .footer-col ul a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 响应式 */
        @media (max-width: 1199px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step:nth-child(2)::after {
                display: none;
            }
            .hero h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .site-footer {
                padding: 0 24px;
            }
            .section {
                padding: 56px 24px;
            }
            .hero {
                padding: 72px 24px 56px;
                min-height: 480px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .stats-section {
                padding: 48px 24px;
            }
            .cta-section {
                padding: 48px 24px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .process-step::after {
                display: none !important;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .faq-side {
                position: static;
            }
            .hero {
                padding: 56px 20px 40px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-meta {
                flex-direction: column;
                gap: 8px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 18px;
            }
            .news-item-date {
                min-width: auto;
                flex-direction: row;
                gap: 8px;
                padding: 6px 14px;
            }
            .news-arrow {
                display: none;
            }
            .section-header.between {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 28px;
            }
            .category-media {
                height: 150px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .mobile-logo {
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #c9a34a;
        --primary-dark: #a8842f;
        --primary-light: #e9dcb8;
        --ink: #1a1a2e;
        --bg: #f7f6f2;
        --surface: #ffffff;
        --text: #22222a;
        --text-weak: #777782;
        --border: #e6e2d9;
        --radius: 20px;
        --radius-sm: 12px;
        --shadow: 0 10px 34px rgba(0, 0, 0, 0.06);
        --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.12);
        --nav-width: 272px;
        --spacer: 96px;
        --spacer-sm: 56px;
        --transition: all .28s ease;
        --sidebar-bg: #12121c;
        --sidebar-text: #a0a0b0;
    }

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

    html {
        scroll-behavior: smooth;
        scroll-padding-top: 30px;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        line-height: 1.7;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

    body.no-scroll {
        overflow: hidden;
    }

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

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

    ul, ol {
        list-style: none;
    }

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

    input, textarea {
        font-family: inherit;
        outline: none;
    }

    .container {
        width: min(1200px, 92%);
        margin: 0 auto;
    }

    .layout-shell {
        display: flex;
        min-height: 100vh;
    }

    /* ========== 左侧导航 ========== */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: var(--nav-width);
        height: 100vh;
        background: var(--sidebar-bg);
        z-index: 100;
        display: flex;
        flex-direction: column;
        padding: 32px 24px;
        color: var(--sidebar-text);
        overflow-y: auto;
    }

    .sidebar-brand {
        display: block;
        margin-bottom: 42px;
    }

    .sidebar-logo {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        letter-spacing: -.02em;
        line-height: 1.35;
        display: block;
    }

    .sidebar-logo .logo-accent {
        color: var(--primary);
        font-weight: 600;
    }

    .sidebar-label {
        font-size: 12px;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: #55556a;
        margin-bottom: 14px;
        padding-left: 6px;
    }

    .main-nav ul {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .main-nav a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        color: var(--sidebar-text);
        font-size: 15px;
        font-weight: 500;
        line-height: 1.4;
        transition: var(--transition);
    }

    .main-nav a .nav-icon {
        font-size: 16px;
        width: 22px;
        text-align: center;
        color: #6b6b80;
        flex-shrink: 0;
        transition: var(--transition);
    }

    .main-nav a:hover {
        background: rgba(255, 255, 255, 0.05);
        color: #ececf4;
    }

    .main-nav a:hover .nav-icon {
        color: var(--primary);
    }

    .main-nav a.active {
        background: linear-gradient(135deg, rgba(201, 163, 74, 0.2), rgba(201, 163, 74, 0.06));
        color: #ffffff;
        border: 1px solid rgba(201, 163, 74, 0.28);
        box-shadow: 0 0 0 1px rgba(201, 163, 74, 0.08) inset;
    }

    .main-nav a.active .nav-icon {
        color: var(--primary);
    }

    .sidebar-footer {
        margin-top: auto;
        padding-top: 32px;
        font-size: 12px;
        color: #4a4a5e;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        line-height: 1.8;
    }

    /* ========== 移动端导航 ========== */
    .mobile-header {
        display: none;
        align-items: center;
        justify-content: space-between;
        padding: 16px 24px;
        background: var(--sidebar-bg);
        position: sticky;
        top: 0;
        z-index: 200;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    }

    .mobile-brand {
        color: #fff;
        font-size: 17px;
        font-weight: 800;
        line-height: 1.3;
    }

    .mobile-brand .logo-accent {
        color: var(--primary);
    }

    .mobile-menu-btn {
        width: 44px;
        height: 44px;
        display: grid;
        place-items: center;
        border-radius: 10px;
        color: #fff;
        font-size: 20px;
        background: rgba(255, 255, 255, 0.06);
        transition: var(--transition);
    }

    .mobile-menu-btn:hover {
        background: rgba(255, 255, 255, 0.12);
    }

    .mobile-nav {
        display: none;
        background: var(--sidebar-bg);
        padding: 12px 20px 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .mobile-nav.open {
        display: block;
    }

    .mobile-nav .main-nav ul {
        gap: 4px;
    }

    .mobile-nav .main-nav a {
        padding: 12px 16px;
    }

    /* ========== 主内容区域 ========== */
    .main-area {
        margin-left: var(--nav-width);
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
    }

    main {
        flex: 1;
    }

    /* ========== 页面横幅 ========== */
    .page-banner {
        position: relative;
        padding: 92px 0 76px;
        background: linear-gradient(135deg, rgba(18, 18, 28, 0.86), rgba(30, 30, 46, 0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        color: #fff;
        border-radius: 0 0 36px 36px;
        overflow: hidden;
    }

    .page-banner::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        width: 420px;
        height: 420px;
        background: radial-gradient(circle, rgba(201, 163, 74, 0.22), transparent 62%);
        pointer-events: none;
    }

    .banner-inner {
        position: relative;
        z-index: 2;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.64);
        margin-bottom: 20px;
    }

    .breadcrumb a {
        color: rgba(255, 255, 255, 0.76);
    }

    .breadcrumb a:hover {
        color: var(--primary);
    }

    .breadcrumb i {
        font-size: 10px;
        opacity: 0.7;
    }

    .page-banner h1 {
        font-size: clamp(30px, 4vw, 48px);
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 16px;
        letter-spacing: -.01em;
    }

    .page-banner h1 span {
        color: var(--primary);
    }

    .page-banner p {
        font-size: 17px;
        color: rgba(255, 255, 255, 0.8);
        max-width: 600px;
        line-height: 1.8;
    }

    .banner-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 28px;
    }

    .banner-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 18px;
        border-radius: 40px;
        font-size: 14px;
        font-weight: 600;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.16);
        backdrop-filter: blur(6px);
    }

    .banner-badge i {
        color: var(--primary);
    }

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

    .section-block + .section-block {
        padding-top: 0;
    }

    .section-head {
        text-align: center;
        max-width: 680px;
        margin: 0 auto 48px;
    }

    .section-head .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .08em;
        color: var(--primary-dark);
        background: rgba(201, 163, 74, 0.12);
        padding: 6px 18px;
        border-radius: 40px;
        margin-bottom: 16px;
        text-transform: uppercase;
    }

    .section-head h2 {
        font-size: clamp(26px, 3vw, 38px);
        font-weight: 800;
        color: var(--ink);
        line-height: 1.25;
        letter-spacing: -.01em;
    }

    .section-head p {
        font-size: 16px;
        color: var(--text-weak);
        margin-top: 12px;
        line-height: 1.75;
    }

    .section-head.left {
        text-align: left;
        margin: 0 0 36px;
    }

    /* ========== 会员概览卡片 ========== */
    .overview-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .overview-card {
        background: var(--surface);
        border-radius: var(--radius);
        padding: 36px 26px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        position: relative;
        overflow: hidden;
        transition: var(--transition);
    }

    .overview-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(201, 163, 74, 0.4);
    }

    .overview-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--primary-light));
        transform: scaleX(0);
        transform-origin: left;
        transition: var(--transition);
    }

    .overview-card:hover::before {
        transform: scaleX(1);
    }

    .overview-icon {
        width: 64px;
        height: 64px;
        border-radius: 18px;
        display: grid;
        place-items: center;
        font-size: 26px;
        background: linear-gradient(135deg, rgba(201, 163, 74, 0.16), rgba(201, 163, 74, 0.06));
        color: var(--primary-dark);
        margin-bottom: 22px;
    }

    .overview-card h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 10px;
    }

    .overview-card p {
        font-size: 14px;
        color: var(--text-weak);
        line-height: 1.65;
    }

    /* ========== 权益图文详情 ========== */
    .benefit-detail-list {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    .benefit-item {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 48px;
        background: var(--surface);
        border-radius: calc(var(--radius) + 4px);
        padding: 36px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        transition: var(--transition);
    }

    .benefit-item:hover {
        box-shadow: var(--shadow-lg);
    }

    .benefit-image {
        border-radius: var(--radius);
        overflow: hidden;
        position: relative;
        height: 260px;
    }

    .benefit-image img {
        width: 100%;
        height: 100%;
        transition: transform .6s ease;
    }

    .benefit-image:hover img {
        transform: scale(1.04);
    }

    .benefit-image::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 80px;
        background: linear-gradient(transparent, rgba(0, 0, 0, 0.12));
        pointer-events: none;
    }

    .benefit-content .benefit-no {
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .12em;
        color: var(--primary);
        margin-bottom: 8px;
        display: block;
    }

    .benefit-content h3 {
        font-size: 24px;
        font-weight: 800;
        color: var(--ink);
        margin-bottom: 12px;
        line-height: 1.4;
    }

    .benefit-content p {
        font-size: 15px;
        color: var(--text-weak);
        line-height: 1.8;
        margin-bottom: 18px;
    }

    .benefit-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .benefit-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text);
    }

    .benefit-list li i {
        color: var(--primary);
        font-size: 12px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: rgba(201, 163, 74, 0.12);
        display: grid;
        place-items: center;
        flex-shrink: 0;
    }

    /* ========== 等级数据区块 ========== */
    .level-section {
        background: var(--ink);
        border-radius: 36px;
        overflow: hidden;
        position: relative;
    }

    .level-section::before {
        content: '';
        position: absolute;
        top: -120px;
        right: -120px;
        width: 340px;
        height: 340px;
        background: radial-gradient(circle, rgba(201, 163, 74, 0.18), transparent 65%);
    }

    .level-section .section-head h2 {
        color: #fff;
    }

    .level-section .section-head p {
        color: rgba(255, 255, 255, 0.6);
    }

    .level-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .level-card {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.09);
        border-radius: 22px;
        padding: 28px 22px;
        text-align: center;
        transition: var(--transition);
        backdrop-filter: blur(4px);
    }

    .level-card:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(201, 163, 74, 0.4);
        transform: translateY(-4px);
    }

    .level-card .level-icon {
        font-size: 30px;
        margin-bottom: 12px;
        display: block;
    }

    .level-card .level-name {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 4px;
    }

    .level-card .level-desc {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.56);
        line-height: 1.6;
        margin-bottom: 14px;
        min-height: 40px;
    }

    .level-card .level-rule {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 30px;
        color: var(--primary);
        background: rgba(201, 163, 74, 0.12);
        border: 1px solid rgba(201, 163, 74, 0.2);
    }

    /* ========== 数据统计 ========== */
    .stats-row {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        margin-top: 48px;
    }

    .stat-item {
        text-align: center;
        padding: 28px 20px;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 18px;
        border: 1px solid rgba(255, 255, 255, 0.07);
    }

    .stat-item .stat-num {
        font-size: 36px;
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
        margin-bottom: 4px;
    }

    .stat-item .stat-num em {
        font-style: normal;
        color: var(--primary);
    }

    .stat-item .stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.55);
    }

    /* ========== 加入流程 ========== */
    .process-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        position: relative;
    }

    .process-grid::before {
        content: '';
        position: absolute;
        top: 36px;
        left: 12%;
        right: 12%;
        height: 2px;
        background: linear-gradient(90deg, rgba(201, 163, 74, 0.3), var(--primary), rgba(201, 163, 74, 0.3));
    }

    .process-step {
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .step-circle {
        width: 72px;
        height: 72px;
        margin: 0 auto 18px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        font-size: 26px;
        font-weight: 800;
        color: var(--primary-dark);
        background: var(--surface);
        border: 2px solid var(--primary);
        box-shadow: 0 0 0 8px rgba(201, 163, 74, 0.08);
        transition: var(--transition);
    }

    .process-step:hover .step-circle {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 0 0 10px rgba(201, 163, 74, 0.15);
        transform: scale(1.05);
    }

    .process-step h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 8px;
    }

    .process-step p {
        font-size: 14px;
        color: var(--text-weak);
        line-height: 1.6;
        max-width: 180px;
        margin: 0 auto;
    }

    /* ========== FAQ ========== */
    .faq-section {
        background: var(--surface);
        border-radius: 32px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        padding: 56px 44px;
    }

    .faq-list {
        max-width: 820px;
        margin: 0 auto;
    }

    .faq-item {
        border-bottom: 1px solid var(--border);
        padding: 6px 0;
    }

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

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 4px;
        font-size: 16px;
        font-weight: 600;
        color: var(--ink);
        text-align: left;
        transition: var(--transition);
    }

    .faq-question:hover {
        color: var(--primary-dark);
    }

    .faq-question i {
        color: var(--primary);
        font-size: 15px;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(201, 163, 74, 0.12);
        display: grid;
        place-items: center;
        flex-shrink: 0;
        transition: var(--transition);
    }

    .faq-item.active .faq-question i {
        transform: rotate(45deg);
        background: var(--primary);
        color: #fff;
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s ease;
    }

    .faq-answer-inner {
        padding: 0 4px 20px;
        font-size: 15px;
        color: var(--text-weak);
        line-height: 1.8;
    }

    /* ========== CTA ========== */
    .cta-box {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        border-radius: 32px;
        padding: 56px 48px;
        position: relative;
        overflow: hidden;
        text-align: center;
        color: #fff;
    }

    .cta-box::before {
        content: '';
        position: absolute;
        right: -60px;
        bottom: -60px;
        width: 240px;
        height: 240px;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 50%;
    }

    .cta-box h2 {
        font-size: clamp(26px, 3vw, 36px);
        font-weight: 800;
        margin-bottom: 12px;
        letter-spacing: -.01em;
    }

    .cta-box p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.88);
        max-width: 480px;
        margin: 0 auto 28px;
    }

    .cta-button {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 15px 34px;
        border-radius: 40px;
        background: #fff;
        color: var(--primary-dark);
        font-size: 15px;
        font-weight: 700;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
        transition: var(--transition);
    }

    .cta-button:hover {
        transform: translateY(-3px);
        box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
        background: var(--ink);
        color: #fff;
    }

    /* ========== 页脚 ========== */
    .site-footer {
        margin-top: var(--spacer-sm);
        background: #12121c;
        color: #a0a0b0;
        padding: 56px 48px 32px;
        border-radius: 32px 32px 0 0;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 48px;
        margin-bottom: 36px;
    }

    .footer-logo {
        display: inline-block;
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 14px;
        line-height: 1.4;
    }

    .footer-logo .logo-accent {
        color: var(--primary);
    }

    .footer-brand p {
        font-size: 14px;
        color: #67677a;
        line-height: 1.8;
        max-width: 340px;
    }

    .footer-links {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer-col h4 {
        color: #e8e8f0;
        font-size: 14px;
        font-weight: 700;
        margin-bottom: 16px;
        letter-spacing: .06em;
    }

    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-col ul a {
        font-size: 14px;
        color: #8a8a9e;
        transition: var(--transition);
    }

    .footer-col ul a:hover {
        color: var(--primary);
        padding-left: 4px;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-top: 1px solid rgba(255, 255, 255, 0.07);
        padding-top: 24px;
    }

    .footer-bottom p {
        font-size: 13px;
        color: #55556a;
        margin: 0;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1200px) {
        :root {
            --spacer: 72px;
        }

        .overview-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .level-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 1024px) {
        .sidebar {
            display: none;
        }

        .main-area {
            margin-left: 0;
        }

        .mobile-header {
            display: flex;
        }

        .mobile-nav {
            position: sticky;
            top: 78px;
            z-index: 150;
        }

        .page-banner {
            border-radius: 0;
            padding: 64px 0 56px;
        }

        .benefit-item {
            grid-template-columns: 1fr;
            padding: 28px;
            gap: 28px;
        }

        .benefit-image {
            height: 220px;
        }

        .process-grid {
            grid-template-columns: repeat(2, 1fr);
            row-gap: 40px;
        }

        .process-grid::before {
            display: none;
        }

        .stats-row {
            grid-template-columns: repeat(3, 1fr);
        }

        .site-footer {
            padding: 40px 28px 24px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --spacer: 48px;
            --spacer-sm: 40px;
        }

        .section-block {
            padding: 36px 0;
        }

        .section-head {
            margin-bottom: 32px;
        }

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

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

        .stats-row {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .footer-top {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .footer-links {
            grid-template-columns: 1fr;
        }

        .cta-box {
            padding: 40px 24px;
        }

        .faq-section {
            padding: 36px 20px;
        }

        .process-grid {
            grid-template-columns: 1fr;
            text-align: center;
        }

        .process-step p {
            max-width: 260px;
        }
    }

    @media (max-width: 520px) {
        .page-banner h1 {
            font-size: 28px;
        }

        .page-banner p {
            font-size: 15px;
        }

        .banner-badges {
            flex-direction: column;
            align-items: flex-start;
        }

        .benefit-item {
            padding: 20px;
        }

        .benefit-content h3 {
            font-size: 20px;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
    }

/* roulang page: category2 */
:root {
  --primary: #1a2a4a;
  --primary-dark: #101b33;
  --primary-light: #2c4370;
  --accent: #c9a34e;
  --accent-light: #e8cf96;
  --accent-dark: #a8853a;
  --bg: #f4f5f9;
  --surface: #ffffff;
  --text: #1a1d27;
  --text-weak: #6b7280;
  --text-muted: #9ca3af;
  --border: #e8eaf0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(16, 27, 51, 0.06);
  --shadow-md: 0 8px 30px rgba(16, 27, 51, 0.10);
  --shadow-lg: 0 16px 48px rgba(16, 27, 51, 0.14);
  --sidebar-w: 280px;
  --transition: all 0.25s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ====== 左侧导航布局 ====== */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.site-sidebar {
  width: var(--sidebar-w);
  background: var(--primary);
  background-image: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 36px 28px;
  overflow-y: auto;
}

.sidebar-brand {
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 28px;
}

.sidebar-brand .brand-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  letter-spacing: 0.5px;
  display: block;
}

.sidebar-brand .logo-accent {
  color: var(--accent);
  font-weight: 700;
}

.sidebar-brand .brand-sub {
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  margin-top: 8px;
  letter-spacing: 1px;
}

.main-nav ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.main-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.72);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.main-nav a:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
  transform: translateX(4px);
}

.main-nav a.active {
  background: rgba(201, 163, 78, 0.18);
  color: #fff;
  border-left: 3px solid var(--accent);
  font-weight: 600;
  padding-left: 20px;
}

.nav-icon {
  font-size: 18px;
  width: 26px;
  text-align: center;
  color: var(--accent);
}

.sidebar-cta {
  margin-top: auto;
  background: linear-gradient(145deg, rgba(201,163,78,0.15), rgba(201,163,78,0.05));
  border: 1px solid rgba(201,163,78,0.25);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
}

.sidebar-cta h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 8px;
}

.sidebar-cta p {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  margin-bottom: 16px;
}

.sidebar-cta .btn {
  background: var(--accent);
  color: var(--primary-dark);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  display: inline-block;
  transition: var(--transition);
}

.sidebar-cta .btn:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,163,78,0.3);
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
}

/* ====== 移动端导航 ====== */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--primary);
  z-index: 200;
  align-items: center;
  padding: 0 24px;
  box-shadow: var(--shadow-md);
}

.mobile-topbar .mobile-brand {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
}

.mobile-topbar .mobile-brand .logo-accent {
  color: var(--accent);
}

.mobile-menu-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-menu-btn:hover {
  background: rgba(255,255,255,0.1);
}

.mobile-nav-panel {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--primary-dark);
  z-index: 199;
  padding: 20px 24px 28px;
  display: none;
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.mobile-nav-panel.open {
  display: block;
}

.mobile-nav-panel .main-nav ul {
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-panel .main-nav a {
  padding: 14px 16px;
  color: rgba(255,255,255,0.8);
}

.mobile-nav-panel .main-nav a:hover,
.mobile-nav-panel .main-nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

/* ====== Hero ====== */
.page-hero {
  position: relative;
  padding: 120px 0 100px;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  background-color: var(--primary);
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(16,27,51,0.88) 0%, rgba(16,27,51,0.55) 60%, rgba(16,27,51,0.3) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}

.hero-breadcrumb a {
  color: var(--accent-light);
}

.hero-breadcrumb a:hover {
  color: var(--accent);
}

.hero-breadcrumb span {
  color: rgba(255,255,255,0.5);
}

.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.page-hero h1 .highlight {
  color: var(--accent);
}

.page-hero p.lead {
  font-size: 18px;
  line-height: 1.8;
  max-width: 620px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}

.hero-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-tags .tag {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: var(--transition);
}

.hero-tags .tag i {
  color: var(--accent);
  margin-right: 6px;
}

.hero-tags .tag:hover {
  background: rgba(255,255,255,0.2);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ====== 通用板块 ====== */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 64px;
}

.section-eyebrow {
  display: inline-block;
  background: rgba(201, 163, 78, 0.12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text);
}

.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.8;
}

/* ====== 统计数据块 ====== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: var(--transition);
}

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

.stat-card:hover::after {
  opacity: 1;
}

.stat-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 16px;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  color: var(--text-weak);
  font-size: 14px;
  margin-top: 6px;
  letter-spacing: 1px;
}

/* ====== 会员等级 ====== */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.tier-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.tier-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0.5;
}

.tier-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.tier-card.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  background: linear-gradient(170deg, var(--surface) 0%, rgba(201,163,78,0.05) 100%);
}

.tier-card.featured::before {
  opacity: 1;
}

.tier-crown {
  font-size: 36px;
  margin-bottom: 12px;
}

.tier-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.tier-desc {
  color: var(--text-weak);
  font-size: 14px;
  margin-bottom: 24px;
}

.tier-price {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-dark);
  margin-bottom: 8px;
}

.tier-price span {
  font-size: 14px;
  color: var(--text-weak);
  font-weight: 400;
}

.tier-features {
  border-top: 1px dashed var(--border);
  padding-top: 20px;
  margin-top: 20px;
}

.tier-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tier-features li i {
  color: var(--accent);
  font-size: 13px;
}

.tier-badge {
  position: absolute;
  top: 20px;
  right: -36px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 42px;
  transform: rotate(45deg);
  letter-spacing: 1px;
}

/* ====== 礼遇卡片 ====== */
.perks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.perk-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.perk-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201,163,78,0.3);
}

.perk-image {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.perk-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.perk-card:hover .perk-image img {
  transform: scale(1.06);
}

.perk-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(16,27,51,0.3) 100%);
}

.perk-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(201, 163, 78, 0.95);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  z-index: 2;
  letter-spacing: 0.5px;
}

.perk-body {
  padding: 28px 24px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.perk-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.perk-body h3 i {
  color: var(--accent);
  font-size: 18px;
}

.perk-body p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.75;
  flex: 1;
}

.perk-link {
  margin-top: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.perk-link i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.perk-link:hover {
  color: var(--accent-dark);
}

.perk-link:hover i {
  transform: translateX(4px);
}

/* ====== 权益对比表格 ====== */
.compare-section .container {
  max-width: 1100px;
}

.compare-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: 18px 24px;
  text-align: center;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
}

.compare-table th:first-child {
  text-align: left;
  border-radius: 0;
}

.compare-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text);
}

.compare-table td {
  color: var(--text-weak);
}

.compare-table td i.fa-check {
  color: var(--accent);
  font-size: 16px;
}

.compare-table td i.fa-minus {
  color: var(--text-muted);
  font-size: 16px;
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover td {
  background: rgba(201, 163, 78, 0.03);
}

/* ====== 加入流程 ====== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step-item {
  position: relative;
  text-align: center;
  padding: 40px 24px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.step-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.step-number {
  counter-increment: step;
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--primary);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  position: relative;
  box-shadow: 0 6px 20px rgba(26, 42, 74, 0.3);
}

.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

.step-item:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: 50%;
  right: -24px;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--accent);
  z-index: 2;
  font-weight: 700;
}

@media (max-width: 1024px) {
  .step-item:not(:last-child)::after {
    display: none;
  }
}

/* ====== FAQ ====== */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(201, 163, 78, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent-dark);
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(201, 163, 78, 0.12);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: var(--accent);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin: 0 28px;
  padding-left: 0;
  padding-right: 0;
  margin-top: 2px;
}

/* ====== CTA ====== */
.cta-section {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 100px 0;
  color: #fff;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16,27,51,0.92), rgba(26,42,74,0.78));
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.cta-section h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section h2 .highlight {
  color: var(--accent);
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(201, 163, 78, 0.35);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(201, 163, 78, 0.45);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  background: rgba(201, 163, 78, 0.08);
}

/* ====== 页脚 ====== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
  flex: 1;
  max-width: 360px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-logo .logo-accent {
  color: var(--accent);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ====== 响应式 ====== */
@media (max-width: 1200px) {
  .container {
    padding: 0 32px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .perks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  :root {
    --sidebar-w: 0px;
  }
  .site-sidebar {
    display: none;
  }
  .main-content {
    margin-left: 0;
  }
  .mobile-topbar {
    display: flex;
  }
  .main-content {
    padding-top: 64px;
  }
  .page-hero {
    padding: 80px 0 64px;
  }
  .page-hero h1 {
    font-size: 36px;
  }
  .tier-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .step-item:not(:last-child)::after {
    display: none;
  }
  .section {
    padding: 72px 0;
  }
  .footer-top {
    flex-direction: column;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-card {
    padding: 24px 16px;
  }
  .stat-number {
    font-size: 30px;
  }
  .perks-grid {
    grid-template-columns: 1fr;
  }
  .tier-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero p.lead {
    font-size: 16px;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .btn {
    padding: 12px 28px;
    font-size: 14px;
  }
  .compare-card {
    overflow-x: auto;
  }
  .compare-table {
    min-width: 640px;
  }
  .footer-links {
    flex-direction: column;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-card {
    padding: 18px 12px;
  }
  .stat-icon {
    font-size: 24px;
    margin-bottom: 10px;
  }
  .stat-number {
    font-size: 24px;
  }
  .stat-label {
    font-size: 13px;
  }
  .page-hero {
    padding: 60px 0 48px;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .hero-tags .tag {
    padding: 6px 14px;
    font-size: 13px;
  }
  .section {
    padding: 56px 0;
  }
  .section-head {
    margin-bottom: 40px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    text-align: center;
  }
  .cta-section h2 {
    font-size: 28px;
  }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #081226;
  --primary-2: #0f1f3f;
  --primary-3: #16305f;
  --accent: #C9A45C;
  --accent-light: #F4EBD9;
  --accent-dark: #A9853F;
  --bg: #F3F5F9;
  --bg-white: #FFFFFF;
  --text: #16213B;
  --text-2: #55627A;
  --text-3: #8A95A8;
  --border: #E4E9F1;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 14px rgba(8, 18, 38, 0.06);
  --shadow: 0 12px 32px rgba(8, 18, 38, 0.10);
  --shadow-lg: 0 22px 50px rgba(8, 18, 38, 0.16);
  --nav-w: 264px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }

/* ===== 容器 ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

/* ===== 整体布局 ===== */
.app-shell { display: flex; min-height: 100vh; }
.site-body { flex: 1; margin-left: var(--nav-w); display: flex; flex-direction: column; min-height: 100vh; }
.site-main { flex: 1; }

/* ===== 左侧导航 ===== */
.site-header {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--nav-w);
  background: var(--primary);
  display: flex;
  flex-direction: column;
  padding: 28px 20px 24px;
  z-index: 1000;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}
.header-top { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, #D6B570 0%, #C9A45C 55%, #A9853F 100%);
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: var(--primary);
  box-shadow: 0 6px 18px rgba(201, 164, 92, 0.35);
  flex-shrink: 0;
  letter-spacing: 0.5px;
}
.logo-text { font-size: 18px; font-weight: 700; color: #fff; line-height: 1.25; letter-spacing: 0.4px; }
.logo-text span { display: block; font-size: 11px; font-weight: 500; color: var(--accent); letter-spacing: 2px; margin-top: 2px; }

.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,0.06); align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.menu-toggle span { display: block; width: 18px; height: 2px; background: rgba(255,255,255,0.85); border-radius: 2px; transition: all 0.3s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 导航菜单 ===== */
.main-nav { margin-top: 44px; flex: 1; }
.main-nav ul { display: flex; flex-direction: column; gap: 6px; }
.main-nav a {
  display: flex; align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.22s ease;
  border-left: 3px solid transparent;
}
.main-nav a:hover { background: rgba(255, 255, 255, 0.06); color: #fff; border-left-color: rgba(201, 164, 92, 0.5); }
.main-nav a.active {
  background: linear-gradient(135deg, rgba(201, 164, 92, 0.20), rgba(201, 164, 92, 0.05));
  color: #D6B570;
  border-left-color: var(--accent);
}
.nav-icon { font-style: normal; font-size: 17px; opacity: 0.85; min-width: 22px; text-align: center; }

/* ===== 侧栏卡片 ===== */
.header-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  padding: 18px;
  margin-top: 20px;
  transition: border-color 0.3s ease;
}
.header-card:hover { border-color: rgba(201, 164, 92, 0.35); }
.header-card-icon { color: var(--accent); font-size: 18px; }
.header-card-title { font-size: 12px; color: rgba(255, 255, 255, 0.45); letter-spacing: 1px; margin-top: 2px; }
.header-card-value { font-size: 16px; font-weight: 600; color: #fff; margin-top: 4px; }
.header-card-link { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--accent); transition: color 0.2s ease; }
.header-card-link:hover { color: #E2C689; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15px; font-weight: 600; line-height: 1;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--primary); box-shadow: 0 6px 20px rgba(201, 164, 92, 0.30); }
.btn-primary:hover { background: #D6B570; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(201, 164, 92, 0.42); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.4); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-outline-dark { border-color: var(--border); color: var(--text); }
.btn-outline-dark:hover { border-color: var(--accent); color: var(--accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ===== 文章首屏 ===== */
.article-hero { position: relative; padding: 68px 0 76px; color: #fff; overflow: hidden; }
.article-hero-bg {
  position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center 25%;
}
.article-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(8, 18, 38, 0.96) 0%, rgba(12, 28, 56, 0.84) 50%, rgba(20, 42, 80, 0.62) 100%);
}
.article-hero-inner { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.55); }
.breadcrumb a { color: rgba(255, 255, 255, 0.72); transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { opacity: 0.5; }
.article-badge {
  display: inline-block;
  margin-top: 24px;
  padding: 6px 16px;
  background: rgba(201, 164, 92, 0.14);
  border: 1px solid rgba(201, 164, 92, 0.38);
  border-radius: 30px;
  font-size: 13px;
  color: #D6B570;
  letter-spacing: 1px;
}
.article-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.35;
  margin-top: 16px;
  max-width: 920px;
  word-break: break-word;
}
.article-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.meta-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(8px);
}

/* ===== 文章正文区域 ===== */
.article-section { padding: 56px 0 64px; }
.article-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

/* ===== 文章内容排版 ===== */
.article-content { font-size: 16px; line-height: 1.9; color: #33405A; }
.article-content > * + * { margin-top: 1.2em; }
.article-content h2 {
  font-size: 24px; font-weight: 700; color: var(--text);
  margin-top: 2em; padding-bottom: 0.5em;
  border-bottom: 2px solid var(--border);
}
.article-content h3 { font-size: 20px; font-weight: 600; color: var(--text); margin-top: 1.6em; }
.article-content h4 { font-size: 17px; font-weight: 600; color: var(--text); margin-top: 1.4em; }
.article-content p { margin-bottom: 0.8em; }
.article-content a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; transition: color 0.2s ease; }
.article-content a:hover { color: var(--accent); }
.article-content ul, .article-content ol { padding-left: 1.6em; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-top: 0.4em; }
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-light);
  padding: 16px 22px;
  border-radius: 0 14px 14px 0;
  color: #4A4230;
}
.article-content img { border-radius: 14px; box-shadow: var(--shadow-sm); margin: 1.5em 0; }
.article-content table { width: 100%; border-collapse: collapse; font-size: 15px; }
.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; color: var(--text); }
.article-content code {
  background: rgba(8, 18, 38, 0.06);
  border-radius: 6px;
  padding: 2px 8px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9em;
  color: var(--primary-3);
}
.article-content pre {
  background: var(--primary);
  color: #E8EDF6;
  border-radius: 14px;
  padding: 20px 24px;
  overflow-x: auto;
  line-height: 1.6;
  font-size: 14px;
}
.article-content pre code { background: none; color: inherit; padding: 0; }

/* ===== 文章标签 ===== */
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag-label { font-size: 14px; font-weight: 600; color: var(--text-2); margin-right: 4px; }
.tag-pill {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-2);
  transition: all 0.2s ease;
}
.tag-pill:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent-dark); }

/* ===== 空状态 ===== */
.article-empty { text-align: center; padding: 48px 24px; }
.empty-icon {
  width: 64px; height: 64px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--accent);
  margin-bottom: 20px;
}
.article-empty h2 { font-size: 24px; font-weight: 700; color: var(--text); }
.article-empty p { color: var(--text-2); margin-top: 8px; margin-bottom: 24px; }

/* ===== CTA 横幅 ===== */
.cta-band {
  background: linear-gradient(135deg, #081226 0%, #122a56 55%, #1a3a6e 100%);
  position: relative;
  overflow: hidden;
  padding: 72px 0;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.14;
}
.cta-inner { position: relative; text-align: center; color: #fff; }
.cta-title { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 800; letter-spacing: 0.5px; }
.cta-text { color: rgba(255, 255, 255, 0.72); margin-top: 14px; max-width: 640px; margin-inline: auto; font-size: 16px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

/* ===== 延伸阅读 ===== */
.related-section { background: var(--bg-white); padding: 64px 0 72px; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
}
.section-title { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 800; color: var(--text); margin-top: 14px; letter-spacing: 0.3px; }
.section-sub { color: var(--text-2); font-size: 15px; margin-top: 8px; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex; flex-direction: column;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(201, 164, 92, 0.4); }
.feature-card-img { position: relative; height: 210px; overflow: hidden; }
.feature-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.feature-card:hover .feature-card-img img { transform: scale(1.06); }
.feature-card-img::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(8, 18, 38, 0.35) 100%);
  opacity: 0.5; transition: opacity 0.3s ease;
}
.feature-card:hover .feature-card-img::after { opacity: 0.8; }
.feature-card-body { padding: 24px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.feature-card-title { font-size: 18px; font-weight: 700; color: var(--text); }
.feature-card-text { font-size: 14px; color: var(--text-2); margin-top: 10px; line-height: 1.75; flex: 1; }
.feature-card-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent-dark); font-size: 14px; font-weight: 600;
  margin-top: 18px;
  transition: gap 0.2s ease, color 0.2s ease;
}
.feature-card:hover .feature-card-link { gap: 10px; color: var(--accent); }

/* ===== FAQ ===== */
.faq-section { padding: 64px 0 80px; }
.faq-list { max-width: 820px; margin-inline: auto; display: grid; gap: 14px; }
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item[open] { border-color: rgba(201, 164, 92, 0.5); box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  transition: color 0.2s ease;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-size: 22px;
  color: var(--accent);
  transition: transform 0.3s ease;
  font-weight: 500;
}
.faq-item[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 24px 22px; color: var(--text-2); font-size: 15px; line-height: 1.85; }
.faq-answer p { margin-bottom: 0.5em; }
.faq-answer p:last-child { margin-bottom: 0; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.68);
  padding: 56px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.footer-top {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-brand { max-width: 360px; }
.footer-logo { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: 0.4px; }
.footer-logo .logo-accent { color: var(--accent); }
.footer-brand p { margin-top: 14px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.5); }
.footer-links { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col h4 { font-size: 14px; color: #fff; font-weight: 600; margin-bottom: 18px; letter-spacing: 1px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.58); font-size: 14px; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 1160px;
  margin: 0 auto;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.38);
}

/* ===== 焦点可访问性 ===== */
a:focus-visible, button:focus-visible, .btn:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(201, 164, 92, 0.6);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ===== 响应式 1280px ===== */
@media (max-width: 1280px) {
  :root { --nav-w: 240px; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 40px; height: 40px; font-size: 15px; }
  .main-nav a { font-size: 14px; padding: 10px 14px; }
  .related-grid { gap: 20px; }
  .feature-card-img { height: 190px; }
}

/* ===== 响应式 1024px ===== */
@media (max-width: 1024px) {
  :root { --nav-w: 0px; }
  .site-header {
    width: 100%;
    height: 68px;
    inset: 0 0 auto 0;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  }
  .header-top { width: auto; }
  .menu-toggle { display: inline-flex; }
  .main-nav {
    display: none;
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: var(--primary);
    padding: 12px 16px 20px;
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.3);
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    margin-top: 0;
    flex: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .site-header.nav-open .main-nav { display: block; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: 13px 18px; font-size: 15px; justify-content: flex-start; }
  .header-card { display: none; }
  .site-body { margin-left: 0; padding-top: 68px; }
  .article-hero { padding: 56px 0 64px; }
  .article-card { padding: 40px 32px; }
}

/* ===== 响应式 768px ===== */
@media (max-width: 768px) {
  .container, .container-narrow { padding: 0 16px; }
  .article-hero { padding: 44px 0 52px; }
  .article-title { font-size: 1.6rem; }
  .article-meta { gap: 8px; }
  .meta-item { padding: 5px 12px; font-size: 12px; }
  .article-section { padding: 40px 0 48px; }
  .article-card { padding: 32px 24px; border-radius: 18px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 20px; }
  .article-content h3 { font-size: 18px; }
  .cta-band { padding: 56px 0; }
  .cta-buttons { flex-direction: column; align-items: center; gap: 12px; }
  .cta-buttons .btn { width: 100%; max-width: 300px; }
  .related-grid { grid-template-columns: 1fr; gap: 20px; }
  .feature-card-img { height: 210px; }
  .related-section { padding: 48px 0 56px; }
  .faq-section { padding: 48px 0 60px; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .faq-answer { padding: 0 18px 18px; }
  .footer-top { flex-direction: column; gap: 32px; padding-bottom: 32px; }
  .footer-links { gap: 40px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* ===== 响应式 520px ===== */
@media (max-width: 520px) {
  .site-header { padding: 0 14px; }
  .logo-text { font-size: 15px; }
  .logo-text span { font-size: 10px; }
  .logo-mark { width: 36px; height: 36px; font-size: 13px; border-radius: 10px; }
  .article-hero { padding: 36px 0 44px; }
  .article-badge { margin-top: 18px; font-size: 12px; padding: 5px 12px; }
  .article-title { font-size: 1.4rem; line-height: 1.4; }
  .article-meta { flex-direction: column; gap: 6px; }
  .meta-item { align-self: flex-start; }
  .article-card { padding: 24px 16px; border-radius: 14px; }
  .article-tags { gap: 8px; }
  .tag-pill { font-size: 12px; padding: 5px 10px; }
  .cta-title { font-size: 1.4rem; }
  .cta-text { font-size: 14px; }
  .section-head { margin-bottom: 32px; }
  .section-title { font-size: 1.35rem; }
  .section-sub { font-size: 14px; }
  .footer-col h4 { margin-bottom: 14px; }
  .footer-col a { font-size: 13px; }
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #0b1f3a;
            --color-primary-light: #1a3a5c;
            --color-primary-lighter: #243e5f;
            --color-accent: #c8a45a;
            --color-accent-light: #dbbf85;
            --color-accent-dark: #a8873f;
            --color-bg: #f4f6f9;
            --color-surface: #ffffff;
            --color-text: #1c2536;
            --color-text-weak: #5d6b7e;
            --color-border: #e2e8f0;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.06);
            --shadow: 0 6px 30px rgba(11, 31, 58, 0.08);
            --shadow-lg: 0 16px 48px rgba(11, 31, 58, 0.14);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ============ 布局骨架 ============ */
        .site-layout {
            display: flex;
            min-height: 100vh;
        }

        .content-wrapper {
            flex: 1;
            margin-left: 260px;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .container {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ============ 左侧导航 ============ */
        .sidebar {
            width: 260px;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            background: var(--color-primary);
            background-image: linear-gradient(160deg, #0d2440 0%, #091525 100%);
            padding: 32px 22px;
            display: flex;
            flex-direction: column;
            z-index: 200;
            transition: transform var(--transition);
        }

        .sidebar-brand {
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 26px;
        }

        .brand-logo {
            display: inline-flex;
            flex-wrap: wrap;
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.35;
            letter-spacing: 0.5px;
        }

        .logo-accent {
            color: var(--color-accent);
            margin-left: 6px;
        }

        .main-nav ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .main-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
            transform: translateX(3px);
        }

        .main-nav a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .main-nav a.active {
            background: rgba(200, 164, 90, 0.15);
            border-color: rgba(200, 164, 90, 0.3);
            color: var(--color-accent-light);
            font-weight: 600;
        }

        .nav-icon {
            font-size: 17px;
            width: 22px;
            text-align: center;
            color: var(--color-accent);
            opacity: 0.85;
        }

        .sidebar-bottom {
            margin-top: auto;
            padding-top: 24px;
        }

        .sidebar-cta {
            display: block;
            text-align: center;
            padding: 14px 18px;
            background: var(--color-accent);
            color: var(--color-primary) !important;
            font-weight: 700;
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(200, 164, 90, 0.25);
        }

        .sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 164, 90, 0.35);
            background: var(--color-accent-light);
        }

        /* ============ 移动端导航 ============ */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 300;
            background: var(--color-primary);
            padding: 16px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .mobile-logo {
            color: #fff;
            font-size: 19px;
            font-weight: 800;
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            line-height: 1.3;
        }

        .nav-toggle {
            width: 44px;
            height: 44px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #ffffff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            background: var(--color-primary);
            padding: 16px 20px 24px;
            z-index: 250;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            transform: translateY(-20px);
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
            border-bottom-left-radius: var(--radius-lg);
            border-bottom-right-radius: var(--radius-lg);
        }

        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu .main-nav ul {
            gap: 4px;
        }

        .mobile-menu .main-nav a {
            font-size: 16px;
            padding: 15px 18px;
        }

        /* ============ Hero ============ */
        .page-hero {
            position: relative;
            padding: 110px 0 90px;
            background-image: linear-gradient(135deg, rgba(11, 31, 58, 0.92) 0%, rgba(11, 31, 58, 0.72) 50%, rgba(11, 31, 58, 0.85) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #ffffff;
            overflow: hidden;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--color-accent-light);
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }

        .hero-title {
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }

        .hero-subtitle {
            font-size: clamp(16px, 2vw, 19px);
            max-width: 640px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 164, 90, 0.3);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.4);
            color: #ffffff;
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: 96px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }

        .section-header-left {
            max-width: 640px;
        }

        .section-tagline {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            background: rgba(200, 164, 90, 0.1);
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            margin-top: 12px;
            font-size: 16px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-primary);
            transition: color var(--transition);
        }

        .section-link:hover {
            color: var(--color-accent-dark);
        }

        /* ============ 最新动态卡片 ============ */
        .news-section {
            background: var(--color-surface);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(200, 164, 90, 0.4);
        }

        .card-cover {
            width: 100%;
            height: 210px;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-tag {
            display: inline-flex;
            align-self: flex-start;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-accent-dark);
            background: rgba(200, 164, 90, 0.12);
            padding: 5px 12px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color var(--transition);
        }

        .news-card:hover .card-title {
            color: var(--color-accent-dark);
        }

        .card-excerpt {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .card-meta {
            font-size: 13px;
            color: rgba(93, 107, 126, 0.7);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ============ 重点赛事专题 ============ */
        .featured-section {
            background: var(--color-bg);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            cursor: pointer;
            background: var(--color-primary);
        }

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

        .featured-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.6;
            transition: transform 0.6s ease, opacity 0.4s ease;
        }

        .featured-card:hover .featured-bg {
            transform: scale(1.05);
            opacity: 0.45;
        }

        .featured-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(11, 31, 58, 0.92) 100%);
        }

        .featured-content {
            position: relative;
            padding: 32px;
            color: #ffffff;
            z-index: 1;
        }

        .featured-badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .featured-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .featured-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 380px;
        }

        .featured-metrics {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .metric-item {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        .metric-item strong {
            display: block;
            font-size: 22px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 2px;
        }

        /* ============ 数据统计 ============ */
        .stats-section {
            background: var(--color-primary);
            background-image: linear-gradient(135deg, #0d2440 0%, #091525 100%);
            padding: 80px 0;
            color: #ffffff;
        }

        .stats-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 56px;
        }

        .stats-header .section-title {
            color: #ffffff;
        }

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

        .stats-header .section-tagline {
            background: rgba(200, 164, 90, 0.15);
            color: var(--color-accent-light);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-item {
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            transition: all var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
            border-color: rgba(200, 164, 90, 0.3);
        }

        .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ============ 服务流程 ============ */
        .steps-section {
            background: var(--color-surface);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }

        .step-item {
            position: relative;
            padding: 32px 24px;
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: rgba(200, 164, 90, 0.35);
        }

        .step-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .step-number::before {
            content: "";
            width: 32px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            opacity: 0.5;
        }

        .step-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(200, 164, 90, 0.35);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--color-accent-dark);
        }

        .faq-question::after {
            content: "+";
            font-size: 24px;
            font-weight: 400;
            color: var(--color-accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item.open .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 26px 24px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text-weak);
            border-top: 1px solid var(--color-border);
            padding-top: 18px;
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background-image: linear-gradient(135deg, rgba(11, 31, 58, 0.93), rgba(11, 31, 58, 0.78)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            color: #ffffff;
        }

        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-tagline {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--color-accent-light);
            background: rgba(200, 164, 90, 0.15);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 20px;
        }

        .cta-title {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .cta-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-light {
            background: #ffffff;
            color: var(--color-primary);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 60px 40px 30px;
        }

        .footer-top {
            max-width: 1320px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--color-border);
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            display: inline-flex;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--color-text-weak);
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent-dark);
        }

        .footer-bottom {
            max-width: 1320px;
            margin: 0 auto;
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-weak);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1200px) {
            .sidebar {
                width: 220px;
            }

            .content-wrapper {
                margin-left: 220px;
            }

            .card-grid {
                gap: 20px;
            }

            .card-body {
                padding: 20px;
            }

            .stats-grid {
                gap: 20px;
            }
        }

        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .featured-card {
                min-height: 340px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .content-wrapper {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .container {
                padding: 0 20px;
            }

            .site-footer {
                padding: 40px 20px 24px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .page-hero {
                padding: 80px 0 60px;
            }

            .section {
                padding: 72px 0;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .card-cover {
                height: 220px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .btn {
                width: 100%;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

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

        @media (max-width: 520px) {
            .mobile-header {
                padding: 14px 16px;
            }

            .mobile-logo {
                font-size: 17px;
            }

            .mobile-menu {
                top: 68px;
                padding: 12px 16px 20px;
            }

            .page-hero {
                padding: 64px 0 48px;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .section {
                padding: 56px 0;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-number {
                font-size: 32px;
            }

            .cta-section {
                padding: 64px 0;
            }

            .featured-card {
                min-height: 280px;
            }

            .featured-content {
                padding: 22px;
            }

            .featured-title {
                font-size: 20px;
            }

            .featured-metrics {
                gap: 12px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-links {
                grid-template-columns: 1fr;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 0 20px 20px;
                padding-top: 16px;
                font-size: 14px;
            }
        }

        @media (min-width: 769px) {
            .mobile-header,
            .mobile-menu {
                display: none !important;
            }
        }

        /* ============ 焦点与可访问性 ============ */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        ::selection {
            background: rgba(200, 164, 90, 0.25);
            color: var(--color-primary);
        }