/* roulang page: index */
:root {
            --color-bg: #F4F8FB;
            --color-surface: #FFFFFF;
            --color-primary: #3568D4;
            --color-primary-hover: #294FAA;
            --color-primary-soft: #E4EDF9;
            --color-accent: #14A8A0;
            --color-accent-soft: #DFF3F0;
            --color-text-heading: #132F4C;
            --color-text-body: #3D5065;
            --color-text-muted: #7D8FA5;
            --color-border: #DFE8F0;
            --color-success: #0BAE7C;
            --color-warn: #F5A623;
            --shadow-card: 0 1px 2px rgba(19, 47, 76, 0.04), 0 4px 12px rgba(19, 47, 76, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(19, 47, 76, 0.10);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .container-site {
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 64px;
            background: rgba(255, 255, 255, 0.92);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(19, 47, 76, 0.06);
        }

        .nav-link {
            position: relative;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 6px 2px;
            transition: color 0.2s ease;
        }

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

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 36px;
            width: 220px;
            padding: 0 12px;
            background: #F1F5F9;
            border: 1px solid transparent;
            border-radius: 9999px;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .search-box:hover {
            border-color: var(--color-primary);
            background: #fff;
        }

        .search-box input {
            flex: 1;
            font-size: 0.875rem;
            color: var(--color-text-heading);
            background: transparent;
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--color-text-muted);
        }

        .search-box kbd {
            font-size: 0.75rem;
            font-family: inherit;
            color: var(--color-text-muted);
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 4px;
            padding: 1px 6px;
            white-space: nowrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 18px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 500;
            border-radius: 8px;
            transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
            box-shadow: 0 1px 2px rgba(53, 104, 212, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 4px 12px rgba(53, 104, 212, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 18px;
            background: #fff;
            color: var(--color-primary);
            font-size: 0.875rem;
            font-weight: 500;
            border: 1px solid var(--color-primary);
            border-radius: 8px;
            transition: background 0.2s ease, transform 0.15s ease;
        }

        .btn-secondary:hover {
            background: var(--color-primary-soft);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-size: 0.9375rem;
            font-weight: 500;
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .btn-link:hover {
            gap: 10px;
            color: var(--color-primary-hover);
        }

        .btn-lg {
            height: 48px;
            padding: 0 28px;
            font-size: 1rem;
            border-radius: 10px;
        }

        /* ===== 汉堡菜单 ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 16px 20px 24px;
            box-shadow: 0 8px 28px rgba(19, 47, 76, 0.08);
            z-index: 99;
        }

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

        .mobile-menu a.mobile-nav-link {
            display: block;
            padding: 12px 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-heading);
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-menu a.mobile-nav-link:last-of-type {
            border-bottom: none;
        }

        .mobile-menu a.mobile-nav-link.active {
            color: var(--color-primary);
        }

        .mobile-menu .mobile-search {
            margin-bottom: 16px;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(180deg, #EAF2FA 0%, var(--color-bg) 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 500;
        }

        .hero-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text-heading);
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: var(--color-text-body);
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .login-card {
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-card-hover);
            padding: 32px;
            max-width: 400px;
            margin: 0 auto;
            border: 1px solid var(--color-border);
            transition: transform 0.3s ease;
        }

        .login-card:hover {
            transform: translateY(-4px);
        }

        .login-card-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 4px;
        }

        .login-card-subtitle {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .login-input {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            background: #F8FAFC;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            font-size: 0.9375rem;
            color: var(--color-text-heading);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            margin-bottom: 12px;
        }

        .login-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(53, 104, 212, 0.10);
            background: #fff;
        }

        .login-input::placeholder {
            color: var(--color-text-muted);
        }

        .login-btn {
            width: 100%;
            height: 44px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 0.9375rem;
            font-weight: 600;
            transition: background 0.2s ease, transform 0.15s ease;
        }

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

        .login-btn:active {
            transform: scale(0.98);
        }

        .login-safe {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 0.8125rem;
            color: var(--color-text-muted);
        }

        /* ===== 信任徽章条 ===== */
        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: var(--color-primary-soft);
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-heading);
            white-space: nowrap;
        }

        .trust-badge svg {
            color: var(--color-accent);
            flex-shrink: 0;
        }

        /* ===== 区块标题 ===== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-heading);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 功能卡片 ===== */
        .feature-card {
            background: var(--color-surface);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            height: 100%;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .feature-icon.accent {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

        .feature-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 8px;
        }

        .feature-desc {
            font-size: 0.9375rem;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-primary);
            transition: gap 0.2s ease;
        }

        .feature-link:hover {
            gap: 8px;
        }

        /* ===== 场景卡片 ===== */
        .scenario-item {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .scenario-item {
                grid-template-columns: 1fr 1fr;
                gap: 64px;
            }
        }

        .scenario-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: var(--color-primary-soft);
        }

        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }

        .scenario-title {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 12px;
        }

        .scenario-desc {
            font-size: 0.9375rem;
            color: var(--color-text-body);
            margin-bottom: 16px;
        }

        .scenario-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            font-size: 0.9375rem;
            color: var(--color-text-body);
        }

        .scenario-list li svg {
            flex-shrink: 0;
            margin-top: 4px;
            color: var(--color-success);
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: var(--color-surface);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .news-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .news-card-title {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--color-text-heading);
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .news-card-title a {
            transition: color 0.2s ease;
        }

        .news-card-title a:hover {
            color: var(--color-primary);
        }

        .news-card-summary {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 16px;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .news-card-read {
            color: var(--color-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }

        .news-card-read:hover {
            gap: 8px;
        }

        /* ===== 空态 ===== */
        .news-empty {
            background: var(--color-surface);
            border-radius: 16px;
            border: 1px dashed var(--color-border);
            padding: 48px 24px;
            text-align: center;
        }

        .news-empty-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            border-radius: 9999px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
        }

        .news-empty-title {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 4px;
        }

        .news-empty-desc {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        /* ===== 案例卡 ===== */
        .case-card {
            background: var(--color-surface);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .case-quote {
            font-size: 0.9375rem;
            line-height: 1.8;
            color: var(--color-text-body);
            flex: 1;
            margin-bottom: 20px;
            position: relative;
            padding-left: 20px;
        }

        .case-quote::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .case-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .case-avatar {
            width: 40px;
            height: 40px;
            border-radius: 9999px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.875rem;
        }

        .case-name {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-text-heading);
        }

        .case-label {
            font-size: 0.8125rem;
            color: var(--color-text-muted);
        }

        /* ===== 价格卡 ===== */
        .pricing-card {
            background: var(--color-surface);
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            padding: 32px;
            position: relative;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .pricing-card.recommended {
            border: 2px solid var(--color-primary);
            background: linear-gradient(180deg, #F8FAFF 0%, #fff 100%);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 9999px;
            box-shadow: 0 2px 8px rgba(53, 104, 212, 0.35);
        }

        .pricing-name {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 4px;
        }

        .pricing-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-heading);
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .pricing-price span {
            font-size: 1rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }

        .pricing-list {
            list-style: none;
            flex: 1;
            margin-bottom: 24px;
        }

        .pricing-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            font-size: 0.9375rem;
            color: var(--color-text-body);
        }

        .pricing-list li svg {
            flex-shrink: 0;
            margin-top: 4px;
            color: var(--color-success);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-surface);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 12px;
            transition: box-shadow 0.2s ease;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            cursor: pointer;
            text-align: left;
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 9999px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.9375rem;
            line-height: 1.75;
            color: var(--color-text-body);
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #EAF2FA 0%, #F0F7F6 100%);
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-section .container-site {
            position: relative;
            z-index: 2;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #F1F6FA;
            border-top: 1px solid var(--color-border);
            padding: 64px 0 0;
        }

        .footer-title {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            padding: 4px 0;
            font-size: 0.875rem;
            color: var(--color-text-body);
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .footer-link:hover {
            color: var(--color-primary);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            margin-top: 48px;
            padding: 20px 0;
            font-size: 0.8125rem;
            color: var(--color-text-muted);
        }

        .footer-bottom a {
            color: var(--color-text-body);
            transition: color 0.2s ease;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
            }
            .hero-title {
                font-size: 1.875rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .pricing-card {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
            }
            .trust-badge {
                font-size: 0.8125rem;
                padding: 6px 14px;
            }
        }

        /* 焦点可访问性 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .skip-to-content {
            position: absolute;
            top: -100px;
            left: 16px;
            background: var(--color-primary);
            color: #fff;
            padding: 8px 16px;
            border-radius: 8px;
            z-index: 999;
            font-size: 0.875rem;
            transition: top 0.2s ease;
        }

        .skip-to-content:focus {
            top: 12px;
        }

/* roulang page: article */
:root {
            --bg: #F4F8FB;
            --surface: #FFFFFF;
            --primary: #3568D4;
            --primary-hover: #294FAA;
            --primary-soft: #E4EDF9;
            --accent: #14A8A0;
            --accent-soft: #DFF3F0;
            --heading: #132F4C;
            --body: #3D5065;
            --muted: #7D8FA5;
            --border: #DFE8F0;
            --success: #0BAE7C;
            --warn: #F5A623;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 1px 2px rgba(19, 47, 76, 0.04), 0 4px 12px rgba(19, 47, 76, 0.06);
            --shadow-hover: 0 8px 28px rgba(19, 47, 76, 0.10);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color .2s; }
        a:hover { color: var(--primary-hover); }
        button { cursor: pointer; font-family: inherit; }
        .container-site { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .25s;
        }
        .site-header.scrolled { box-shadow: 0 2px 12px rgba(19, 47, 76, 0.06); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
        .header-left { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .brand-name { font-size: 1.125rem; font-weight: 800; color: var(--heading); line-height: 1.2; }
        .brand-sub { font-size: 0.75rem; color: var(--muted); line-height: 1.2; }
        .nav-link {
            position: relative;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--body);
            padding: 6px 2px;
            white-space: nowrap;
            transition: color .2s;
        }
        .nav-link:hover { color: var(--primary); }
        .nav-link.active { color: var(--primary); }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0; right: 0; bottom: -2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            border: 1px solid transparent;
            border-radius: 9999px;
            padding: 0 12px 0 14px;
            height: 38px;
            width: 220px;
            transition: all .2s;
        }
        .search-box:focus-within {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(53, 104, 212, 0.12);
        }
        .search-input {
            background: transparent;
            border: none;
            outline: none;
            font-size: 0.875rem;
            color: var(--heading);
            width: 100%;
        }
        .search-input::placeholder { color: var(--muted); }
        .search-kbd {
            font-size: 0.6875rem;
            color: var(--muted);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 6px;
            line-height: 1.5;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.875rem;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all .2s;
            white-space: nowrap;
        }
        .btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
        .btn-primary:active { transform: scale(0.98); }
        .btn-primary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            transition: all .2s;
            white-space: nowrap;
        }
        .btn-secondary:hover { background: var(--primary-soft); color: var(--primary-hover); }
        .btn-secondary:active { transform: scale(0.98); }
        .btn-secondary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--primary);
        }
        .btn-link:hover { text-decoration: underline; }
        .header-cta-link { font-size: 0.875rem; font-weight: 500; color: var(--body); transition: color .2s; white-space: nowrap; }
        .header-cta-link:hover { color: var(--primary); }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            border-radius: 6px;
            color: var(--heading);
        }
        .menu-toggle:hover { background: var(--primary-soft); }
        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
        }
        .mobile-menu.open { display: block; }
        .mobile-menu .search-box { width: 100%; margin-bottom: 12px; }
        .mobile-nav-link {
            display: block;
            padding: 10px 0;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--body);
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav-link:hover { color: var(--primary); }
        .mobile-nav-link.active { color: var(--primary); }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap { background: #fff; border-bottom: 1px solid var(--border); padding: 14px 0; }
        .breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 0.8125rem; color: var(--muted); }
        .breadcrumb-list a { color: var(--muted); }
        .breadcrumb-list a:hover { color: var(--primary); }
        .breadcrumb-sep { color: var(--border); }
        .breadcrumb-current { color: var(--body); font-weight: 500; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

        /* ===== Article Card ===== */
        .article-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: all .25s; }
        .article-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .article-card-img { height: 180px; overflow: hidden; }
        .article-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
        .article-card:hover .article-card-img img { transform: scale(1.03); }

        /* ===== Article Content ===== */
        .article-content { font-size: 1.0625rem; line-height: 1.9; color: var(--body); }
        .article-content > *:last-child { margin-bottom: 0; }
        .article-content h2 { font-size: 1.375rem; font-weight: 700; color: var(--heading); margin: 2.5rem 0 1rem; padding-top: 0.5rem; }
        .article-content h3 { font-size: 1.125rem; font-weight: 700; color: var(--heading); margin: 2rem 0 0.75rem; }
        .article-content h4 { font-size: 1rem; font-weight: 700; color: var(--heading); margin: 1.5rem 0 0.5rem; }
        .article-content p { margin-bottom: 1.75em; }
        .article-content a { font-weight: 500; border-bottom: 1px solid transparent; }
        .article-content a:hover { border-bottom-color: var(--primary); }
        .article-content img { border-radius: var(--radius); margin: 2rem auto; box-shadow: var(--shadow); }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-soft);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.75em 0;
            color: var(--body);
        }
        .article-content blockquote p { margin-bottom: 0; }
        .article-content ul, .article-content ol { margin: 1.25em 0; padding-left: 1.5em; }
        .article-content li { margin-bottom: 0.5em; }
        .article-content ul li::marker { color: var(--primary); }
        .article-content table { width: 100%; border-collapse: collapse; margin: 2em 0; background: #fff; border-radius: var(--radius-sm); overflow: hidden; font-size: 0.9375rem; }
        .article-content th { background: var(--primary-soft); padding: 12px 14px; text-align: left; font-weight: 600; color: var(--heading); }
        .article-content td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
        .article-content tr:last-child td { border-bottom: none; }
        .article-content pre {
            background: var(--primary-soft);
            padding: 18px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            font-size: 0.875rem;
            line-height: 1.7;
            margin: 1.75em 0;
        }
        .article-content code {
            background: var(--primary-soft);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.875em;
            font-family: "SF Mono", Monaco, Consolas, monospace;
        }
        .article-content pre code { background: none; padding: 0; }
        .article-content hr { border: none; border-top: 1px solid var(--border); margin: 2.5em 0; }

        /* ===== Footer ===== */
        .site-footer { background: #F1F6FA; border-top: 1px solid var(--border); padding: 56px 0 0; margin-top: 0; }
        .footer-title { font-size: 1rem; font-weight: 700; color: var(--heading); margin-bottom: 14px; }
        .footer-link {
            display: block;
            font-size: 0.875rem;
            color: var(--body);
            padding: 5px 0;
            transition: all .2s;
        }
        .footer-link:hover { color: var(--primary); transform: translateX(3px); }
        .footer-bottom {
            border-top: 1px solid var(--border);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom-link { font-size: 0.8125rem; color: var(--muted); }
        .footer-bottom-link:hover { color: var(--primary); }

        /* ===== CTA Band ===== */
        .cta-band {
            border-radius: 16px;
            padding: 56px 40px;
            text-align: center;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(255, 255, 255, 0.88);
            border-radius: 16px;
        }
        .cta-band > * { position: relative; z-index: 1; }

        /* ===== FAQ item ===== */
        .faq-item { border-bottom: 1px solid var(--border); }
        .faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 4px; font-weight: 600; color: var(--heading); cursor: pointer; transition: color .2s; }
        .faq-question:hover { color: var(--primary); }
        .faq-icon { transition: transform .3s; color: var(--primary); flex-shrink: 0; }
        .faq-item.open .faq-icon { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
        .faq-item.open .faq-answer { max-height: 500px; }
        .faq-answer-inner { padding: 0 4px 20px; color: var(--body); font-size: 0.9375rem; line-height: 1.75; }

        /* ===== Utility ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 9999px;
        }
        .badge-accent { background: var(--accent-soft); color: var(--accent); }
        .section-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary);
        }
        .section-icon-accent { background: var(--accent-soft); color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .menu-toggle { display: inline-flex; }
        }
        @media (max-width: 640px) {
            .container-site { padding: 0 16px; }
            .cta-band { padding: 40px 20px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

/* roulang page: category1 */
:root {
            --color-bg: #F4F8FB;
            --color-surface: #FFFFFF;
            --color-primary: #3568D4;
            --color-primary-hover: #294FAA;
            --color-primary-soft: #E4EDF9;
            --color-accent: #14A8A0;
            --color-accent-soft: #DFF3F0;
            --color-text-heading: #132F4C;
            --color-text-body: #3D5065;
            --color-text-muted: #7D8FA5;
            --color-border: #DFE8F0;
            --color-success: #0BAE7C;
            --color-warn: #F5A623;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 2px rgba(19, 47, 76, 0.04), 0 4px 12px rgba(19, 47, 76, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(19, 47, 76, 0.10);
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            background: var(--color-bg);
            color: var(--color-text-body);
            font-size: 1rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: transparent;
        }

        ul,
        ol {
            list-style: none;
        }

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(255, 255, 255, 0.92);
            border-bottom: 1px solid var(--color-border);
            z-index: 100;
            transition: box-shadow 0.2s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(19, 47, 76, 0.06);
        }

        .header-inner {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-name {
            font-weight: 700;
            color: var(--color-text-heading);
            font-size: 1.125rem;
            line-height: 1.2;
        }

        .brand-sub {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            line-height: 1.2;
        }

        .nav-link {
            position: relative;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 8px 0;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

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

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 36px;
            padding: 0 12px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            width: 220px;
            transition: border-color 0.2s ease;
            flex-shrink: 1;
        }

        .search-box:hover,
        .search-box:focus-within {
            border-color: var(--color-primary);
        }

        .search-box input {
            flex: 1;
            font-size: 0.875rem;
            color: var(--color-text-body);
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--color-text-muted);
        }

        .search-key {
            font-size: 0.6875rem;
            color: var(--color-text-muted);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 4px;
            padding: 1px 6px;
            line-height: 1.6;
            flex-shrink: 0;
        }

        .text-link {
            font-size: 0.875rem;
            color: var(--color-primary);
            font-weight: 500;
            transition: text-decoration 0.2s ease;
            white-space: nowrap;
        }

        .text-link:hover {
            text-decoration: underline;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

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

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-surface);
            color: var(--color-primary);
            font-size: 0.875rem;
            font-weight: 500;
            border: 1px solid var(--color-primary);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: var(--color-primary-soft);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-lg {
            height: 48px;
            padding: 0 28px;
            font-size: 1rem;
        }

        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            color: var(--color-text-heading);
            transition: background 0.2s ease;
            flex-shrink: 0;
        }

        .menu-toggle:hover {
            background: var(--color-bg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 8px 28px rgba(19, 47, 76, 0.10);
            padding: 24px;
            z-index: 99;
        }

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

        .mobile-menu-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 20px;
        }

        .mobile-menu-nav a {
            display: block;
            padding: 12px 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-body);
            border-bottom: 1px solid var(--color-bg);
            transition: color 0.2s ease;
        }

        .mobile-menu-nav a:hover {
            color: var(--color-primary);
        }

        .mobile-menu-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-menu-search {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 16px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            margin-bottom: 20px;
        }

        .mobile-menu-search input {
            flex: 1;
            font-size: 0.875rem;
        }

        .mobile-menu-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        @media (max-width: 1023px) {
            .menu-toggle {
                display: inline-flex;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 160px 0 96px;
            background:
                linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.92)),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            border-bottom: 1px solid var(--color-border);
        }

        .tag-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-section h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-text-heading);
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .hero-sub {
            font-size: 1.125rem;
            color: var(--color-text-body);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

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

        .trust-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            font-size: 0.875rem;
            color: var(--color-text-body);
            font-weight: 500;
        }

        .trust-pill svg {
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .hero-visual {
            position: relative;
        }

        .hero-img-wrap {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
        }

        .hero-img-wrap img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        /* ===== Section ===== */
        .section {
            padding: 96px 0;
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
            padding: 0 16px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .section-head h2,
        .section-block h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ===== Card ===== */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

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

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            margin-bottom: 18px;
        }

        .card-icon.accent {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

        .card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card p {
            font-size: 0.875rem;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 0.875rem;
            color: var(--color-primary);
            font-weight: 500;
            transition: gap 0.2s ease;
        }

        .card-link:hover {
            gap: 10px;
            text-decoration: underline;
        }

        /* ===== Content Image ===== */
        .content-img-wrap {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: var(--color-bg);
            position: relative;
        }

        .content-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.6);
            pointer-events: none;
        }

        .content-img-wrap img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .content-img-wrap:hover img {
            transform: scale(1.02);
        }

        /* ===== Step List ===== */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            margin-top: 28px;
        }

        .step-list li {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .step-num {
            font-size: 0.8125rem;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border-radius: 8px;
            padding: 4px 10px;
            flex-shrink: 0;
            line-height: 1.5;
        }

        .step-list h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 4px;
        }

        .step-list p {
            font-size: 0.875rem;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        /* ===== Check List ===== */
        .check-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            margin-top: 28px;
        }

        .check-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .check-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .check-list h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 4px;
        }

        .check-list p {
            font-size: 0.875rem;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        /* ===== Safety Band ===== */
        .safety-band {
            background: var(--color-surface);
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            padding: 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            border: 1px solid transparent;
        }

        .safety-item {
            text-align: center;
            padding: 16px 8px;
        }

        .safety-item .safety-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .safety-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 6px;
        }

        .safety-item p {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .safety-band {
                grid-template-columns: 1fr;
                padding: 28px 20px;
                gap: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }

        .faq-item.open {
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            text-align: left;
            gap: 16px;
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 24px 24px;
        }

        .faq-answer p {
            font-size: 0.9375rem;
            color: var(--color-text-body);
            line-height: 1.75;
            border-top: 1px solid var(--color-bg);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
            background:
                linear-gradient(rgba(228, 237, 249, 0.94), rgba(228, 237, 249, 0.94)),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            border-top: 1px solid var(--color-border);
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-body);
            max-width: 560px;
            margin: 0 auto 32px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #F1F6FA;
            border-top: 1px solid var(--color-border);
            padding-top: 64px;
        }

        .footer-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 20px;
        }

        .footer-link {
            display: block;
            font-size: 0.875rem;
            color: var(--color-text-body);
            padding: 8px 0;
            transition: color 0.2s ease, transform 0.2s ease;
            line-height: 1.4;
        }

        .footer-link:hover {
            color: var(--color-primary);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8125rem;
            color: var(--color-text-muted);
        }

        .footer-bottom-link {
            color: var(--color-text-muted);
            transition: color 0.2s ease;
        }

        .footer-bottom-link:hover {
            color: var(--color-primary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .hero-section {
                padding: 130px 0 64px;
            }

            .hero-section h1 {
                font-size: 2.125rem;
            }

            .hero-visual {
                margin-top: 32px;
            }

            .section {
                padding: 64px 0;
            }

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

        @media (max-width: 640px) {
            .hero-section {
                padding: 112px 0 48px;
            }

            .hero-section h1 {
                font-size: 1.875rem;
            }

            .hero-sub {
                font-size: 1rem;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
            }

            .section {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 1.375rem;
            }

            .section-tag {
                font-size: 0.6875rem;
            }

            .card {
                padding: 24px 20px;
            }

            .step-list,
            .check-list {
                gap: 18px;
            }

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

            .faq-answer {
                padding: 0 20px;
            }

            .faq-item.open .faq-answer {
                padding: 0 20px 20px;
            }

            .cta-section h2 {
                font-size: 1.375rem;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-secondary {
                width: 100%;
                max-width: 320px;
            }

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

        @media (max-width: 480px) {
            .brand-sub {
                display: none;
            }

            .hero-section h1 {
                font-size: 1.625rem;
            }

            .hero-sub {
                font-size: 0.9375rem;
            }

            .trust-pill {
                font-size: 0.8125rem;
                padding: 5px 10px;
            }
        }