/* roulang page: index */
:root {
            --color-primary: #1B3A5C;
            --color-primary-light: #254E7A;
            --color-primary-dark: #122840;
            --color-accent: #C8963E;
            --color-accent-light: #D4A853;
            --color-accent-dark: #A67A2E;
            --color-bg: #F9F7F3;
            --color-bg-warm: #F3EFE8;
            --color-white: #FFFFFF;
            --color-text: #2D2D2D;
            --color-text-soft: #5C5C5C;
            --color-text-muted: #7A7A7A;
            --color-border: #E5E0D8;
            --color-border-light: #EFEBE4;
            --color-success: #3A7D5A;
            --color-card-shadow: rgba(27, 58, 92, 0.06);
            --color-card-shadow-hover: rgba(27, 58, 92, 0.14);
            --color-overlay: rgba(18, 40, 64, 0.55);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(27, 58, 92, 0.05);
            --shadow-md: 0 4px 16px rgba(27, 58, 92, 0.07);
            --shadow-lg: 0 8px 32px rgba(27, 58, 92, 0.10);
            --shadow-xl: 0 14px 48px rgba(27, 58, 92, 0.13);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --topbar-height: 36px;
        }

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

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

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button, .button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--color-primary-dark);
            margin-top: 0;
            line-height: 1.35;
            font-weight: 700;
        }
        h1 { font-size: 2.6rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--color-text-soft);
        }

        .section-title {
            text-align: center;
            margin-bottom: 0.6rem;
            font-weight: 700;
            color: var(--color-primary-dark);
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-muted);
            font-size: 1.05rem;
            margin-bottom: 2.8rem;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 1.5rem;
        }

        .custom-container {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.2rem;
            padding-right: 1.2rem;
        }

        /* ========== 顶部信息条 ========== */
        .top-info-bar {
            background: var(--color-primary-dark);
            color: rgba(255,255,255,0.85);
            font-size: 0.82rem;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            position: relative;
            z-index: 1001;
        }
        .top-info-bar .custom-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .top-info-bar .info-left {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .top-info-bar .info-left i {
            color: var(--color-accent-light);
            font-size: 0.75rem;
        }
        .top-info-bar .info-right a {
            color: rgba(255,255,255,0.8);
            font-size: 0.8rem;
            margin-left: 1rem;
            transition: color var(--transition-fast);
        }
        .top-info-bar .info-right a:hover {
            color: var(--color-accent-light);
        }

        /* ========== 主导航 ========== */
        .main-nav {
            background: var(--color-white);
            height: var(--nav-height);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
        }
        .main-nav .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary-dark);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 1.1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-sm);
            color: var(--color-text-soft);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(27, 58, 92, 0.04);
        }
        .nav-links a.nav-active {
            color: var(--color-primary);
            background: rgba(27, 58, 92, 0.07);
            font-weight: 600;
        }
        .nav-links a.nav-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 0.55rem 1.4rem;
            border-radius: 50px;
            margin-left: 0.4rem;
            transition: all var(--transition-base);
        }
        .nav-links a.nav-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary-dark);
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, #1a3550 40%, #1B3A5C 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18,40,64,0.65) 0%, rgba(18,40,64,0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 3rem 1.5rem;
            max-width: 750px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.25);
            color: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.88rem;
            margin-bottom: 1.4rem;
            letter-spacing: 0.04em;
        }
        .hero-content h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
            letter-spacing: -0.015em;
        }
        .hero-content .hero-subtitle {
            color: rgba(255,255,255,0.88);
            font-size: 1.15rem;
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            gap: 0.8rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(200,150,62,0.35);
            border: none;
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: 0 6px 24px rgba(200,150,62,0.5);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            text-decoration: none;
            border: 2px solid rgba(255,255,255,0.55);
            transition: all var(--transition-base);
        }
        .btn-hero-outline:hover {
            background: rgba(255,255,255,0.12);
            border-color: rgba(255,255,255,0.8);
            color: #fff;
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: 4.5rem 0;
        }
        .section-bg-warm {
            background: var(--color-bg-warm);
        }
        .section-bg-white {
            background: var(--color-white);
        }
        .section-bg-dark {
            background: var(--color-primary-dark);
            color: #fff;
        }

        /* ========== 特色卡片 ========== */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 2rem 1.6rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 0 0 3px 3px;
            opacity: 0;
            transition: all var(--transition-base);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .feature-card:hover::before {
            opacity: 1;
            width: 80px;
        }
        .feature-icon {
            width: 58px;
            height: 58px;
            margin: 0 auto 1.2rem;
            background: rgba(27,58,92,0.06);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
            color: var(--color-primary-dark);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 分类入口卡片 ========== */
        .category-card {
            display: block;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            text-decoration: none;
            border: 1px solid var(--color-border-light);
            height: 100%;
        }
        .category-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
            border-color: var(--color-accent);
        }
        .category-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }
        .category-card-body {
            padding: 1.5rem 1.4rem;
        }
        .category-card-body h3 {
            font-size: 1.2rem;
            color: var(--color-primary-dark);
            margin-bottom: 0.5rem;
        }
        .category-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 0.8rem;
            line-height: 1.55;
        }
        .category-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }
        .category-card:hover .category-card-arrow {
            gap: 0.6rem;
        }

        /* ========== 最新信息列表 ========== */
        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.2rem 1.4rem;
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            text-decoration: none;
            box-shadow: var(--shadow-sm);
        }
        .news-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
            background: #fefefe;
        }
        .news-item-tag {
            flex-shrink: 0;
            display: inline-block;
            background: rgba(200,150,62,0.13);
            color: var(--color-accent-dark);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            white-space: nowrap;
            margin-top: 0.15rem;
        }
        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-content h4 {
            font-size: 1rem;
            margin-bottom: 0.3rem;
            color: var(--color-primary-dark);
            font-weight: 600;
            line-height: 1.4;
        }
        .news-item-content .news-summary {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0.3rem;
            line-height: 1.5;
        }
        .news-item-content .news-time {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .news-empty {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--color-text-muted);
            font-size: 1rem;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }

        /* ========== 统计数字 ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2.5rem;
            text-align: center;
        }
        .stat-item {
            flex: 0 0 auto;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-heading);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
        }
        .section-bg-dark .stat-number {
            color: var(--color-accent-light);
        }
        .section-bg-dark .stat-label {
            color: rgba(255,255,255,0.7);
        }

        /* ========== 流程步骤 ========== */
        .steps-container {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
        }
        .step-card {
            flex: 1 1 220px;
            max-width: 280px;
            text-align: center;
            padding: 2rem 1.2rem;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            position: relative;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
            color: var(--color-primary-dark);
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-primary-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(27,58,92,0.025);
        }
        .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.3rem;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: 4rem 1.5rem;
            border-radius: var(--radius-xl);
            margin: 2rem auto;
            max-width: var(--max-width);
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: rgba(255,255,255,0.85);
            font-size: 1rem;
            margin-bottom: 1.8rem;
        }
        .btn-cta {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            padding: 0.85rem 2.4rem;
            border-radius: 50px;
            font-size: 1.05rem;
            text-decoration: none;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(200,150,62,0.4);
        }
        .btn-cta:hover {
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 6px 28px rgba(0,0,0,0.25);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 3.5rem 0 2rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: space-between;
            margin-bottom: 2.5rem;
        }
        .footer-col {
            flex: 1 1 200px;
            min-width: 160px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.5);
        }

        /* ========== 图标列表 ========== */
        .icon-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .icon-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            margin-bottom: 0.8rem;
            color: var(--color-text-soft);
            font-size: 0.95rem;
        }
        .icon-list li i {
            color: var(--color-success);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .hero-content h1 { font-size: 2.3rem; }
            .hero-section { min-height: 460px; }
            .section-padding { padding: 3.5rem 0; }
            .stats-row { gap: 2rem; }
            .stat-number { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 58px;
                --topbar-height: 30px;
            }
            h1 { font-size: 1.85rem; }
            h2 { font-size: 1.45rem; }
            .top-info-bar { font-size: 0.75rem; }
            .top-info-bar .info-right { display: none; }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 0.5rem;
            }
            .nav-toggle {
                display: block;
            }
            .hero-section { min-height: 400px; }
            .hero-content h1 { font-size: 1.8rem; }
            .hero-content .hero-subtitle { font-size: 0.95rem; }
            .section-padding { padding: 2.8rem 0; }
            .feature-card { padding: 1.5rem 1.2rem; }
            .feature-icon { width: 48px; height: 48px; font-size: 1.2rem; }
            .category-card-img { height: 160px; }
            .stats-row { gap: 1.5rem; }
            .stat-number { font-size: 1.8rem; }
        }

        @media (max-width: 520px) {
            h1 { font-size: 1.55rem; }
            h2 { font-size: 1.3rem; }
            .hero-section { min-height: 340px; }
            .hero-content h1 { font-size: 1.45rem; }
            .hero-content .hero-subtitle { font-size: 0.85rem; }
            .hero-buttons { flex-direction: column; align-items: center; }
            .btn-hero-primary, .btn-hero-outline { width: 100%; text-align: center; max-width: 280px; }
            .section-padding { padding: 2.2rem 0; }
            .section-subtitle { font-size: 0.9rem; }
            .feature-card { padding: 1.3rem 1rem; }
            .news-item { flex-direction: column; gap: 0.5rem; padding: 1rem; }
            .cta-section h2 { font-size: 1.4rem; }
            .cta-section { padding: 2.5rem 1.2rem; margin: 1rem; border-radius: var(--radius-lg); }
            .footer-grid { flex-direction: column; gap: 1.5rem; }
            .steps-container { flex-direction: column; align-items: center; }
            .step-card { max-width: 100%; }
        }

        /* Foundation 覆盖 */
        .grid-container {
            max-width: var(--max-width);
        }
        .button {
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-base);
        }
        .button:hover {
            transform: translateY(-1px);
        }

/* roulang page: article */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #c8943e;
            --color-accent-light: #d4a84f;
            --color-accent-dark: #a67a2e;
            --color-bg: #f6f7fa;
            --color-white: #ffffff;
            --color-text: #1e1e2e;
            --color-text-soft: #5a5f6e;
            --color-text-muted: #8a8f9c;
            --color-border: #e2e4ea;
            --color-border-light: #eef0f5;
            --color-success: #2d8a56;
            --color-warning: #e8a020;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width-container: 1200px;
            --max-width-article: 780px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        /* Container */
        .custom-container {
            max-width: var(--max-width-container);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .article-content-container {
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* ========== HEADER / NAV ========== */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            padding: 0;
        }
        .main-nav .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: #f0f2f8;
        }
        .nav-links a.nav-active {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdf8ef;
        }
        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 18px !important;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-normal) !important;
            margin-left: 6px;
        }
        .nav-cta:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: #f0f2f8;
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            background: linear-gradient(170deg, #1a2744 0%, #1e3058 40%, #243356 100%);
            padding: 60px 0 50px;
            overflow: hidden;
            color: #fff;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.14;
            z-index: 0;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 1;
        }
        .article-banner .custom-container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 20px;
        }
        .breadcrumb-row a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: var(--color-accent-light);
        }
        .breadcrumb-sep {
            color: rgba(255,255,255,0.4);
            font-size: 0.7rem;
        }
        .breadcrumb-current {
            color: rgba(255,255,255,0.9);
            font-weight: 500;
        }
        .article-banner-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 16px;
            color: #fff;
            letter-spacing: 0.01em;
        }
        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.75);
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item i {
            font-size: 0.85rem;
            color: var(--color-accent-light);
        }
        .article-category-tag {
            display: inline-block;
            padding: 5px 13px;
            background: rgba(200,148,62,0.25);
            color: var(--color-accent-light);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid rgba(200,148,62,0.3);
        }

        /* ========== ARTICLE CONTENT AREA ========== */
        .article-content-section {
            padding: 40px 0 50px;
            background: var(--color-bg);
        }
        .article-content-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 44px 48px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            max-width: var(--max-width-article);
            margin: 0 auto;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 36px 0 16px;
            color: var(--color-primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: var(--color-primary-light);
        }
        .article-body p {
            margin: 0 0 18px;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            margin: 24px 0;
            padding: 18px 24px;
            background: #fdf8ef;
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-soft);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body code {
            background: #f4f5f8;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: #c7254e;
        }
        .article-body pre {
            background: #1a2744;
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }

        /* ========== ARTICLE FOOTER INFO ========== */
        .article-footer-info {
            max-width: var(--max-width-article);
            margin: 0 auto 24px;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }
        .article-tags-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .article-tag-pill {
            display: inline-block;
            padding: 4px 12px;
            background: #f0f2f8;
            color: var(--color-text-soft);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .article-tag-pill:hover {
            background: #e2e6f0;
            color: var(--color-primary);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            max-width: var(--max-width-article);
            margin: 0 auto;
        }
        .not-found-icon {
            font-size: 4rem;
            color: var(--color-accent);
            margin-bottom: 20px;
            opacity: 0.7;
        }
        .not-found-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--color-text-soft);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }
        .btn-back-home {
            display: inline-block;
            padding: 12px 28px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all var(--transition-normal);
            font-size: 0.95rem;
        }
        .btn-back-home:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== RELATED ARTICLES ========== */
        .related-section {
            padding: 20px 0 50px;
        }
        .related-section .custom-container {
            max-width: var(--max-width-container);
        }
        .section-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            font-weight: 700;
            margin-bottom: 6px;
        }
        .section-heading {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 28px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .related-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .related-card-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .related-card-title:hover {
            color: var(--color-accent);
        }
        .related-card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            flex: 1;
            margin-bottom: 10px;
        }
        .related-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }
        .related-card-link:hover {
            gap: 9px;
            color: var(--color-accent-dark);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 50px 0 55px;
            background: linear-gradient(160deg, #1a2744 0%, #1e3058 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .custom-container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 1rem;
            margin: 0 0 24px;
        }
        .btn-cta-primary {
            display: inline-block;
            padding: 13px 30px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all var(--transition-normal);
            border: none;
        }
        .btn-cta-primary:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200,148,62,0.35);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141c2b;
            color: #fff;
            padding: 50px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
            font-size: 0.85rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            text-align: center;
            padding: 22px 0;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .article-banner-title {
                font-size: 1.75rem;
            }
            .article-content-card {
                padding: 32px 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
            }
            .nav-links.nav-open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 14px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 6px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .article-banner {
                padding: 40px 0 35px;
            }
            .article-banner-title {
                font-size: 1.45rem;
            }
            .article-content-card {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }
            .article-body {
                font-size: 0.98rem;
                line-height: 1.75;
            }
            .article-meta-row {
                gap: 10px;
                font-size: 0.82rem;
            }
            .section-heading {
                font-size: 1.3rem;
            }
            .cta-section h3 {
                font-size: 1.35rem;
            }
        }
        @media (max-width: 520px) {
            .main-nav .custom-container {
                height: 56px;
                padding: 0 14px;
            }
            .nav-logo {
                font-size: 1rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .article-banner-title {
                font-size: 1.25rem;
            }
            .article-content-card {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }
            .article-body {
                font-size: 0.93rem;
            }
            .breadcrumb-row {
                font-size: 0.78rem;
            }
            .article-meta-row {
                font-size: 0.78rem;
                gap: 8px;
            }
            .not-found-card {
                padding: 40px 20px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a6b3c;
            --color-primary-dark: #145a30;
            --color-primary-light: #e8f5e9;
            --color-accent: #e8a817;
            --color-accent-dark: #c48f14;
            --color-accent-light: #fff8e1;
            --color-bg: #f9fafb;
            --color-white: #ffffff;
            --color-text: #1f2937;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-dark-bg: #111827;
            --color-dark-text: #d1d5db;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --topbar-height: 36px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text);
            margin: 0 0 0.5em;
        }

        p {
            margin: 0 0 1em;
            color: var(--color-text-weak);
        }

        .custom-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 52px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-weak);
            max-width: 640px;
            line-height: 1.7;
        }

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

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== TOP BAR ========== */
        .top-info-bar {
            background: #0f1a12;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.78rem;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            letter-spacing: 0.02em;
        }

        .top-info-bar .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .top-info-bar a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .top-info-bar a:hover {
            color: #fff;
        }

        .top-info-bar .top-sep {
            color: rgba(255, 255, 255, 0.3);
            margin: 0 10px;
        }

        /* ========== MAIN NAV ========== */
        .main-nav {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .main-nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .main-nav .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            font-family: var(--font-heading);
            color: var(--color-text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.8;
            color: var(--color-text);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--color-primary) 0%, #208b4a 100%);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 9px 18px;
            font-size: 0.94rem;
            font-weight: 600;
            color: var(--color-text-weak);
            border-radius: 24px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            font-family: var(--font-body);
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.nav-active {
            color: var(--color-primary);
            background: var(--color-primary-light);
            font-weight: 700;
        }

        .nav-links a.nav-cta {
            background: var(--color-primary);
            color: #fff !important;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            margin-left: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(26, 107, 60, 0.25);
        }

        .nav-links a.nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 18px rgba(26, 107, 60, 0.35);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            line-height: 1;
            cursor: pointer;
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: linear-gradient(170deg, #0a1f14 0%, #0d2a1a 30%, #112e1e 60%, #0f2418 100%);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.32;
            z-index: 0;
        }

        .hero-category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 31, 20, 0.65) 0%, rgba(13, 42, 26, 0.8) 60%, rgba(15, 36, 24, 0.9) 100%);
            z-index: 1;
        }

        .hero-category .custom-container {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-category-content {
            max-width: 720px;
        }

        .hero-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 22px;
        }

        .hero-category-badge i {
            color: var(--color-accent);
            font-size: 0.9rem;
        }

        .hero-category h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
            line-height: 1.15;
        }

        .hero-category h1 span {
            color: var(--color-accent);
            position: relative;
        }

        .hero-category p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 580px;
        }

        .hero-category-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(232, 168, 23, 0.35);
            text-decoration: none;
            font-family: var(--font-body);
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: #f0b830;
            box-shadow: 0 10px 30px rgba(232, 168, 23, 0.5);
            transform: translateY(-2px);
            color: #1a1a1a;
            text-decoration: none;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            font-family: var(--font-body);
        }

        .btn-outline-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        .hero-category-stats {
            display: flex;
            gap: 40px;
            margin-top: 44px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        /* ========== EVENT TYPE CARDS ========== */
        .event-types-section {
            background: var(--color-white);
        }

        .event-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }

        .event-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .event-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #1a1a1a;
            font-size: 0.76rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 16px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .event-card-body {
            padding: 22px 20px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .event-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .event-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: gap var(--transition-fast);
            text-decoration: none;
        }

        .event-card-link:hover {
            gap: 12px;
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        .event-card-link i {
            font-size: 0.75rem;
        }

        /* ========== PROCESS STEPS ========== */
        .process-section {
            background: var(--color-bg);
            position: relative;
        }

        .process-step-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            height: 100%;
        }

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

        .process-step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary) 0%, #208b4a 100%);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 900;
            margin: 0 auto 18px;
            box-shadow: 0 8px 22px rgba(26, 107, 60, 0.3);
        }

        .process-step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
        }

        .process-connector {
            display: none;
        }

        @media (min-width: 768px) {
            .process-connector {
                display: block;
                position: absolute;
                top: 28px;
                right: -20px;
                font-size: 1.5rem;
                color: var(--color-border);
                z-index: 1;
            }
        }

        /* ========== HIGHLIGHT SECTION ========== */
        .highlight-section {
            background: var(--color-white);
        }

        .highlight-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .highlight-card-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
        }

        .highlight-card-icon.green {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .highlight-card-icon.gold {
            background: var(--color-accent-light);
            color: var(--color-accent-dark);
        }

        .highlight-card-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .highlight-card-content p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        .highlight-img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            position: relative;
        }

        .highlight-img-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        .highlight-img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
            color: #fff;
        }

        .highlight-img-overlay h4 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 4px;
        }

        .highlight-img-overlay p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            margin: 0;
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-section {
            background: var(--color-bg);
        }

        .scenario-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 2px solid transparent;
            transition: all var(--transition-base);
            height: 100%;
        }

        .scenario-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .scenario-card-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .scenario-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.65;
            margin: 0;
        }

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

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--color-white);
            transition: box-shadow var(--transition-fast);
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-title {
            display: block;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            position: relative;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .faq-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.75rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
        }

        .faq-accordion .accordion-title[aria-expanded="true"] {
            color: var(--color-primary);
        }

        .faq-accordion .accordion-title[aria-expanded="true"]::after {
            transform: translateY(-50%) rotate(180deg);
            color: var(--color-primary);
        }

        .faq-accordion .accordion-content {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.75;
            display: none;
        }

        .faq-accordion .accordion-content.active {
            display: block;
        }

        .faq-accordion .is-active .accordion-content {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #0a1f14 0%, #0f2e1e 50%, #132e1c 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(26, 107, 60, 0.15);
            top: -100px;
            right: -80px;
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(232, 168, 23, 0.1);
            bottom: -60px;
            left: -60px;
            z-index: 0;
        }

        .cta-section .custom-container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 16px 38px;
            border-radius: 30px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0d1a12;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .footer-col ul li {
            margin-bottom: 9px;
            font-size: 0.88rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 2rem;
            }
            .hero-category h1 {
                font-size: 2.5rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .hero-category-stats {
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 62px;
            }
            .top-info-bar {
                display: none;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-padding {
                padding: 52px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
            .hero-category {
                min-height: 420px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category p {
                font-size: 1rem;
            }
            .hero-category-stats {
                gap: 20px;
                margin-top: 28px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 2px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
                text-align: center;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 6px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .event-card-img {
                height: 160px;
            }
            .process-step-card {
                margin-bottom: 16px;
            }
            .hero-category-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-category-actions .btn-primary,
            .hero-category-actions .btn-outline-light {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .highlight-img-card img {
                min-height: 200px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .custom-container {
                padding: 0 16px;
            }
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .hero-category-stats {
                gap: 16px;
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .event-card-img {
                height: 140px;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .highlight-card {
                flex-direction: column;
                gap: 14px;
            }
            .faq-accordion .accordion-title {
                padding: 15px 16px;
                font-size: 0.9rem;
            }
            .faq-accordion .accordion-content {
                padding: 0 16px 16px;
            }
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .row {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
        }
        .row .row {
            max-width: none;
        }
        @media (min-width: 1200px) {
            .row {
                max-width: var(--max-width);
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1B3A5C;
            --color-primary-light: #264F7A;
            --color-primary-dark: #0F253B;
            --color-accent: #C8963E;
            --color-accent-light: #D9A94E;
            --color-accent-dark: #A67A2E;
            --color-surface: #FFFFFF;
            --color-bg: #F6F7F9;
            --color-bg-alt: #EDF1F5;
            --color-text: #1E2A36;
            --color-text-secondary: #5A6674;
            --color-text-muted: #8B95A3;
            --color-border: #DDE2E8;
            --color-border-light: #EBEEF2;
            --color-success: #2D8B5E;
            --color-warning: #E8A33D;
            --color-danger: #C0392B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.11);
            --shadow-xl: 0 18px 48px rgba(0, 0, 0, 0.14);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --header-info-bar-height: 38px;
            --header-main-nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            margin-top: 0;
            line-height: 1.3;
            color: var(--color-text);
        }

        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== HEADER ========== */
        .info-bar {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.8rem;
            height: var(--header-info-bar-height);
            line-height: var(--header-info-bar-height);
            padding: 0;
        }
        .info-bar .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .info-bar a {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .info-bar a:hover {
            color: #fff;
        }
        .info-bar .info-left {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .info-bar .info-right {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .info-bar i {
            margin-right: 4px;
            font-size: 0.75rem;
        }

        .main-nav {
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-main-nav-height);
            border-bottom: 1px solid var(--color-border-light);
        }
        .main-nav .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.22rem;
            color: var(--color-primary);
            text-decoration: none;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-accent-dark);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: background var(--transition-fast);
        }
        .nav-logo:hover .logo-icon {
            background: var(--color-accent-dark);
        }
        .nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-links li a {
            display: inline-block;
            padding: 0.55rem 1rem;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .nav-links li a.nav-active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(200, 150, 62, 0.08);
        }
        .nav-links li a.nav-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .nav-links li a.nav-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 0.4rem;
            line-height: 1;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .nav-toggle:hover {
            color: var(--color-accent);
        }

        /* ========== HERO ========== */
        .page-hero {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 40%, #1a4265 100%);
            color: #fff;
            padding: 4rem 0 4.5rem;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.14;
            pointer-events: none;
        }
        .page-hero .custom-container {
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.35rem 1.1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(6px);
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .page-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn-hero-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-normal);
            border: none;
            box-shadow: var(--shadow-md);
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-hero-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-normal);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 4rem 0;
        }
        .section-alt {
            background: var(--color-surface);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            background: rgba(200, 150, 62, 0.1);
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 0.8rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.6rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== CARDS ========== */
        .tier-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }
        .tier-card.featured {
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-lg);
            background: linear-gradient(180deg, #FFFDF7 0%, #FFF 30%);
        }
        .tier-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 14px;
            right: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
            letter-spacing: 0.05em;
        }
        .tier-card .tier-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 1rem;
            color: #fff;
        }
        .tier-card .tier-name {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .tier-card .tier-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            margin-bottom: 1rem;
        }
        .tier-card .tier-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }
        .tier-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            text-align: left;
            width: 100%;
        }
        .tier-card ul li {
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tier-card ul li i {
            color: var(--color-success);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .btn-tier {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            text-decoration: none;
            transition: all var(--transition-normal);
            border: none;
            margin-top: auto;
        }
        .btn-tier:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-tier.featured-btn {
            background: var(--color-accent);
            font-weight: 700;
        }
        .btn-tier.featured-btn:hover {
            background: var(--color-accent-dark);
        }

        /* ========== FEATURE ROWS ========== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 3rem;
            padding: 2rem 0;
        }
        .feature-row.reverse {
            flex-direction: row-reverse;
        }
        .feature-row .feature-image {
            flex: 1;
            min-width: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .feature-row .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-slow);
        }
        .feature-row .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-row .feature-text {
            flex: 1;
            min-width: 0;
        }
        .feature-row .feature-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .feature-row .feature-text p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        .feature-row .feature-text .feature-list {
            list-style: none;
            padding: 0;
            margin: 1rem 0 0;
        }
        .feature-row .feature-text .feature-list li {
            padding: 0.35rem 0;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }
        .feature-row .feature-text .feature-list li i {
            color: var(--color-accent);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--color-primary);
            padding: 2.5rem 0;
            color: #fff;
            text-align: center;
        }
        .stats-bar .stat-item {
            padding: 1rem;
        }
        .stats-bar .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
            margin-bottom: 0.3rem;
        }
        .stats-bar .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        /* ========== PROCESS / STEPS ========== */
        .step-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            height: 100%;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .faq-accordion .accordion-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 0.7rem;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--color-border);
        }
        .faq-accordion .accordion-title {
            display: block;
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text);
            cursor: pointer;
            position: relative;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .faq-accordion .accordion-title:hover {
            color: var(--color-accent-dark);
        }
        .faq-accordion .accordion-title::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
            transition: transform var(--transition-normal);
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .faq-accordion .is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
            color: var(--color-accent);
        }
        .faq-accordion .is-active .accordion-title {
            color: var(--color-accent-dark);
        }
        .faq-accordion .accordion-content {
            padding: 0 1.5rem 1.3rem;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-accordion .is-active .accordion-content {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            padding: 3.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-section .custom-container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 550px;
            margin: 0 auto 2rem;
            line-height: 1.6;
        }
        .btn-cta-lg {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all var(--transition-normal);
            border: none;
            box-shadow: var(--shadow-lg);
        }
        .btn-cta-lg:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.5rem;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom p {
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .feature-row {
                gap: 2rem;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .stats-bar .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-main-nav-height: 56px;
            }
            .info-bar {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-main-nav-height);
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                padding: 1rem 1.5rem;
                gap: 0.3rem;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border-light);
                z-index: 99;
            }
            .nav-links.nav-open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                text-align: center;
                padding: 0.7rem 1rem;
                font-size: 1rem;
            }
            .page-hero {
                padding: 2.8rem 0 3rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .feature-row {
                flex-direction: column !important;
                gap: 1.5rem;
            }
            .feature-row .feature-image,
            .feature-row .feature-text {
                flex: auto;
                width: 100%;
            }
            .tier-card {
                margin-bottom: 1rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                text-align: center;
            }
            .page-hero .hero-actions {
                flex-direction: column;
            }
            .stats-bar .stat-number {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 520px) {
            .custom-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .page-hero h1 {
                font-size: 1.55rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .tier-card {
                padding: 1.5rem 1rem;
            }
            .tier-card .tier-price {
                font-size: 1.7rem;
            }
            .step-card {
                padding: 1.4rem 1rem;
            }
            .faq-accordion .accordion-title {
                font-size: 0.88rem;
                padding: 0.9rem 1rem;
            }
            .faq-accordion .accordion-title::after {
                right: 0.8rem;
            }
        }