/* roulang page: index */
:root {
            --color-primary: #0F766E;
            --color-primary-dark: #115E59;
            --color-primary-light: #CCFBF1;
            --color-primary-soft: #F0FDFA;
            --color-accent: #F59E0B;
            --color-accent-soft: #FEF3C7;
            --color-accent-hover: #D97706;
            --color-bg: #F8FAFC;
            --color-card: #FFFFFF;
            --color-heading: #1E293B;
            --color-body: #475569;
            --color-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-footer: #134E4A;
            --color-footer-text: #CBD5E1;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 20px 40px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(15, 118, 110, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-number: "Inter", ui-sans-serif, system-ui, sans-serif;
            --transition-base: all 0.2s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-body);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
            height: 72px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .header-logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), #14B8A6);
            border-radius: 8px;
            color: #fff;
            font-size: 0.9rem;
        }
        .header-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }
        .header-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--color-primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .header-search {
            display: none;
            align-items: center;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            width: 220px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-heading);
            width: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-muted);
        }
        .header-search i {
            color: var(--color-muted);
            font-size: 0.85rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.65rem 1.5rem;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            line-height: 1.4;
            text-align: center;
            user-select: none;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #ffffff;
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.35);
        }
        .btn-outline {
            background-color: #ffffff;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            background-color: var(--color-accent-hover);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
        }
        .btn-sm {
            font-size: 0.8rem;
            padding: 0.45rem 1.1rem;
        }
        .btn-lg {
            font-size: 1rem;
            padding: 0.8rem 2rem;
        }
        .mobile-menu-btn {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--color-heading);
            font-size: 1.2rem;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
        }
        .mobile-menu-btn:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background-color: #ffffff;
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 1rem;
            gap: 0.25rem;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 49;
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
        }
        .mobile-menu a {
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .mobile-menu a:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .mobile-menu a.active {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-menu.show {
            display: flex;
        }
        @media (max-width: 767px) {
            .mobile-menu-btn {
                display: flex;
            }
            .header-nav {
                display: none;
            }
            .header-search {
                display: none;
            }
            .header-actions .btn-primary {
                display: none;
            }
        }
        @media (min-width: 768px) {
            .header-nav {
                display: flex;
            }
            .header-search {
                display: flex;
            }
            .mobile-menu-btn {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }
        @media (max-width: 1023px) {
            .header-nav a {
                padding: 0.5rem 0.6rem;
                font-size: 0.8rem;
            }
            .header-search {
                width: 150px;
            }
            .btn-primary.header-cta {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }
        }
        @media (min-width: 1024px) {
            .header-nav {
                gap: 0.3rem;
            }
            .header-search {
                width: 220px;
            }
        }
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 3rem 0;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 118, 110, 0.78) 50%, rgba(15, 23, 42, 0.55) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 3rem;
                align-items: center;
            }
        }
        .flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.5rem 1.2rem;
            border-radius: 9999px;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
            animation: pulse-glow 2s ease-in-out infinite;
        }
        @keyframes pulse-glow {
            0%,
            100% {
                box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
            }
            50% {
                box-shadow: 0 4px 24px rgba(245, 158, 11, 0.65);
            }
        }
        .countdown-display {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-number);
            font-weight: 700;
            font-size: 1.5rem;
            color: #fff;
            margin-left: 0.5rem;
        }
        .countdown-display span {
            background-color: rgba(255, 255, 255, 0.15);
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            font-size: 1.3rem;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: #ffffff;
            margin: 1rem 0 0.75rem;
            letter-spacing: -0.01em;
        }
        @media (min-width: 640px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3rem;
            }
        }
        .hero-subtitle {
            font-size: 1rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 1.5rem;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            margin-bottom: 1.25rem;
        }
        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .hero-metric-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            font-weight: 500;
        }
        .hero-metric-item i {
            color: var(--color-accent);
            font-size: 1rem;
        }
        .hero-metric-item strong {
            color: #fff;
            font-weight: 700;
            font-family: var(--font-number);
        }
        .hero-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-card-badge {
            display: inline-block;
            background-color: var(--color-accent-soft);
            color: #92400E;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            margin-bottom: 0.75rem;
        }
        .hero-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 0.5rem;
        }
        .hero-card-desc {
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .hero-card-price-row {
            display: flex;
            align-items: baseline;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }
        .hero-card-price-current {
            font-size: 2rem;
            font-weight: 800;
            font-family: var(--font-number);
            color: var(--color-primary);
        }
        .hero-card-price-original {
            font-size: 1rem;
            color: var(--color-muted);
            text-decoration: line-through;
        }
        .hero-card-feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .hero-card-feature-list li {
            font-size: 0.85rem;
            color: var(--color-body);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hero-card-feature-list li i {
            color: var(--color-success);
            font-size: 0.8rem;
        }
        .section {
            padding: 3rem 0;
        }
        @media (min-width: 640px) {
            .section {
                padding: 4rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-heading {
            margin-bottom: 2rem;
        }
        .section-heading h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.5rem;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        @media (min-width: 640px) {
            .section-heading h2 {
                font-size: 1.875rem;
            }
        }
        .section-heading p {
            font-size: 0.95rem;
            color: var(--color-body);
            margin: 0;
            max-width: 700px;
            line-height: 1.7;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            background-color: var(--color-primary-light);
            padding: 0.3rem 0.9rem;
            border-radius: 9999px;
            margin-bottom: 0.6rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .brand-story-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            padding: 2rem;
            transition: var(--transition-base);
        }
        .brand-story-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .brand-story-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.75rem;
            line-height: 1.3;
        }
        .brand-story-content p {
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.8;
            margin-bottom: 0.75rem;
        }
        .brand-story-content p:last-child {
            margin-bottom: 0;
        }
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .content-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .content-card-img {
            position: relative;
            width: 100%;
            padding-top: 56.25%;
            overflow: hidden;
        }
        .content-card-img img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .content-card:hover .content-card-img img {
            transform: scale(1.03);
        }
        .content-card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background-color: rgba(255, 255, 255, 0.92);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.3rem 0.75rem;
            border-radius: 9999px;
            z-index: 2;
        }
        .content-card-rating {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background-color: rgba(255, 255, 255, 0.92);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.3rem 0.6rem;
            border-radius: 9999px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .content-card-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-heading);
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }
        .content-card-desc {
            font-size: 0.85rem;
            color: var(--color-body);
            line-height: 1.65;
            margin-bottom: 0.75rem;
            flex: 1;
        }
        .content-card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.75rem;
            color: var(--color-muted);
            margin-top: auto;
        }
        .content-card-meta i {
            font-size: 0.7rem;
        }
        .report-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            margin-right: 0.4rem;
        }
        .rating-stars {
            color: var(--color-accent);
            font-size: 0.75rem;
            letter-spacing: 1px;
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .testimonial-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            padding: 1.75rem;
            transition: var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .testimonial-rating {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
            letter-spacing: 2px;
        }
        .testimonial-quote {
            font-size: 0.95rem;
            color: var(--color-heading);
            line-height: 1.75;
            font-style: italic;
            margin-bottom: 1rem;
        }
        .testimonial-quote::before {
            content: '\201C';
            font-size: 1.5rem;
            color: var(--color-primary);
            font-style: normal;
            margin-right: 0.25rem;
        }
        .testimonial-quote::after {
            content: '\201D';
            font-size: 1.5rem;
            color: var(--color-primary);
            font-style: normal;
            margin-left: 0.25rem;
        }
        .testimonial-author {
            font-size: 0.85rem;
            color: var(--color-body);
            font-weight: 500;
        }
        .testimonial-role {
            font-size: 0.75rem;
            color: var(--color-muted);
        }
        .news-list-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 1024px) {
            .news-list-grid {
                grid-template-columns: 1.5fr 1fr;
                gap: 2rem;
            }
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background-color: var(--color-card);
            border-radius: 12px;
            border: 1px solid var(--color-border);
            padding: 1rem 1.25rem;
            transition: var(--transition-base);
        }
        .news-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }
        .news-item-index {
            font-family: var(--font-number);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            width: 32px;
            flex-shrink: 0;
            text-align: center;
        }
        .news-item-content {
            flex: 1;
        }
        .news-item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-heading);
            line-height: 1.5;
            margin-bottom: 0.25rem;
        }
        .news-item-title a {
            color: var(--color-heading);
        }
        .news-item-title a:hover {
            color: var(--color-primary);
        }
        .news-item-date {
            font-size: 0.75rem;
            color: var(--color-muted);
        }
        .news-sidebar {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
        }
        .news-sidebar h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            margin: 0 0 1rem;
        }
        .news-sidebar-item {
            display: flex;
            gap: 0.75rem;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--color-border);
            align-items: flex-start;
        }
        .news-sidebar-item:last-child {
            border-bottom: none;
        }
        .news-sidebar-item i {
            color: var(--color-accent);
            font-size: 0.75rem;
            margin-top: 0.3rem;
        }
        .news-sidebar-item a {
            font-size: 0.85rem;
            color: var(--color-body);
            line-height: 1.5;
        }
        .news-sidebar-item a:hover {
            color: var(--color-primary);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .topic-grid {
                grid-template-columns: 1fr 1fr 1fr 1fr;
            }
        }
        .topic-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 1.5rem;
            transition: var(--transition-base);
            text-align: center;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary);
        }
        .topic-card-icon {
            width: 48px;
            height: 48px;
            background-color: var(--color-primary-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            color: var(--color-primary);
            font-size: 1.2rem;
        }
        .topic-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            margin: 0 0 0.4rem;
        }
        .topic-card p {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.5;
        }
        .deep-content-section {
            background-color: var(--color-primary-soft);
            border-radius: var(--radius-card);
            padding: 2rem;
            border: 1px solid var(--color-primary-light);
        }
        .deep-content-section h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: 0 0 0.75rem;
        }
        .deep-content-section p {
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.85;
            margin-bottom: 0.75rem;
        }
        .deep-content-section p:last-child {
            margin-bottom: 0;
        }
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .changelog-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background-color: var(--color-card);
            border-radius: 12px;
            border: 1px solid var(--color-border);
            padding: 1rem 1.25rem;
            transition: var(--transition-base);
        }
        .changelog-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-card);
        }
        .changelog-version {
            font-family: var(--font-number);
            font-weight: 700;
            font-size: 0.8rem;
            background-color: var(--color-primary);
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 6px;
            flex-shrink: 0;
            margin-top: 0.1rem;
        }
        .changelog-text {
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.6;
        }
        .changelog-text strong {
            color: var(--color-heading);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.75rem;
        }
        .faq-item {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-heading);
            line-height: 1.5;
            user-select: none;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-number {
            font-family: var(--font-number);
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .faq-toggle-icon {
            margin-left: auto;
            transition: transform 0.3s ease;
            color: var(--color-muted);
            font-size: 0.85rem;
        }
        .faq-item.active .faq-toggle-icon {
            transform: rotate(45deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }
        .subscribe-cta {
            background: linear-gradient(135deg, var(--color-footer) 0%, #0F766E 60%, #14B8A6 100%);
            border-radius: 24px;
            padding: 2.5rem 2rem;
            text-align: center;
        }
        .subscribe-cta h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 0.75rem;
            line-height: 1.3;
        }
        @media (min-width: 640px) {
            .subscribe-cta h2 {
                font-size: 1.875rem;
            }
        }
        .subscribe-cta p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 1.5rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .footer {
            background-color: var(--color-footer);
            color: var(--color-footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }
        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-brand h3 i {
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: var(--color-footer-text);
            margin: 0;
        }
        .footer-links-group h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            margin: 0 0 0.75rem;
        }
        .footer-links-group a {
            display: block;
            font-size: 0.85rem;
            color: var(--color-footer-text);
            padding: 0.3rem 0;
            transition: var(--transition-base);
        }
        .footer-links-group a:hover {
            color: #ffffff;
            padding-left: 0.5rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--color-footer-text);
        }
        .footer-bottom a {
            color: var(--color-footer-text);
            font-size: 0.75rem;
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: #ffffff;
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .back-to-top {
            position: fixed;
            bottom: 1.5rem;
            right: 1.5rem;
            z-index: 40;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(15, 118, 110, 0.35);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition-base);
        }
        .back-to-top.show {
            opacity: 1;
            pointer-events: auto;
        }
        .back-to-top:hover {
            background-color: var(--color-primary-dark);
            transform: translateY(-3px);
        }

/* roulang page: category1 */
:root {
            --color-primary: #0F766E;
            --color-primary-dark: #115E59;
            --color-primary-light: #CCFBF1;
            --color-primary-soft: #F0FDFA;
            --color-accent: #F59E0B;
            --color-accent-soft: #FEF3C7;
            --color-accent-hover: #D97706;
            --color-bg: #F8FAFC;
            --color-card: #FFFFFF;
            --color-heading: #1E293B;
            --color-body: #475569;
            --color-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-footer: #134E4A;
            --color-footer-text: #CBD5E1;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 20px 40px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(15, 118, 110, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-number: "Inter", ui-sans-serif, system-ui, sans-serif;
            --transition-base: all 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-body);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
            height: 72px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), #14B8A6);
            border-radius: 8px;
            color: #fff;
            font-size: 0.9rem;
        }
        .header-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }
        .header-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--color-primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .header-search {
            display: none;
            align-items: center;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            width: 220px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-heading);
            width: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-muted);
        }
        .header-search i {
            color: var(--color-muted);
            font-size: 0.85rem;
            margin-right: 0.5rem;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.25rem;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.35);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background-color: #fff;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.25rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
        }
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--color-heading);
            font-size: 1.25rem;
            transition: var(--transition-base);
        }
        .mobile-menu-btn:hover {
            background-color: var(--color-bg);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
            z-index: 40;
            padding: 1rem;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            color: var(--color-body);
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        @media (min-width: 1024px) {
            .header-nav {
                display: flex;
            }
            .header-search {
                display: flex;
            }
            .mobile-menu-btn {
                display: none;
            }
        }
        @media (max-width: 1023px) {
            .mobile-menu-btn {
                display: flex;
            }
        }
        .card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .card:hover .card-img {
            transform: scale(1.03);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.4;
            white-space: nowrap;
        }
        .badge-accent {
            background-color: var(--color-accent-soft);
            color: var(--color-accent-hover);
        }
        .badge-primary {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .badge-success {
            background-color: #D1FAE5;
            color: #065F46;
        }
        .badge-danger {
            background-color: #FEE2E2;
            color: #991B1B;
        }
        .star-rating {
            color: var(--color-accent);
            font-size: 0.85rem;
            letter-spacing: 1px;
        }
        .star-rating .empty {
            color: #CBD5E1;
        }
        .section-title {
            font-size: 1.875rem;
            font-weight: 700;
            color: var(--color-heading);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-body);
            line-height: 1.7;
            margin-top: 0.75rem;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-muted);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .filter-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-heading);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .filter-option {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
            font-size: 0.85rem;
            color: var(--color-body);
            cursor: pointer;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }
        .filter-option:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .filter-option.active {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            border-color: var(--color-primary-light);
            font-weight: 600;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 0;
            font-weight: 600;
            color: var(--color-heading);
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
            gap: 1rem;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.8rem;
            transition: var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--color-body);
            font-size: 0.95rem;
            line-height: 1.75;
            padding: 0 0;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 1.25rem 0;
        }
        .footer {
            background-color: var(--color-footer);
            color: var(--color-footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-brand h3 i {
            color: #14B8A6;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-footer-text);
            margin: 0;
        }
        .footer-links-group h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-links-group a {
            display: block;
            font-size: 0.9rem;
            color: var(--color-footer-text);
            padding: 0.3rem 0;
            transition: var(--transition-base);
        }
        .footer-links-group a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            padding-top: 1.5rem;
            font-size: 0.8rem;
            color: rgba(203, 213, 225, 0.7);
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(203, 213, 225, 0.7);
            transition: var(--transition-base);
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .footer-bottom-links span {
            color: rgba(203, 213, 225, 0.5);
        }
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #0F1F1E 0%, #134E4A 45%, #0F766E 100%);
            padding: 4rem 0 3rem;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .data-metric-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 1rem 1.25rem;
            text-align: center;
        }
        .data-metric-value {
            font-family: var(--font-number);
            font-size: 1.75rem;
            font-weight: 700;
            color: #F0FDFA;
        }
        .data-metric-label {
            font-size: 0.8rem;
            color: rgba(203, 213, 225, 0.8);
            margin-top: 0.25rem;
        }

/* roulang page: category2 */
:root {
            --color-primary: #0F766E;
            --color-primary-dark: #115E59;
            --color-primary-light: #CCFBF1;
            --color-primary-soft: #F0FDFA;
            --color-accent: #F59E0B;
            --color-accent-soft: #FEF3C7;
            --color-accent-hover: #D97706;
            --color-bg: #F8FAFC;
            --color-card: #FFFFFF;
            --color-heading: #1E293B;
            --color-body: #475569;
            --color-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-footer: #134E4A;
            --color-footer-text: #CBD5E1;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 20px 40px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(15, 118, 110, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-number: "Inter", ui-sans-serif, system-ui, sans-serif;
            --transition-base: all 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-body);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
            height: 72px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .header-logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), #14B8A6);
            border-radius: 8px;
            color: #fff;
            font-size: 0.9rem;
        }
        .header-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }
        .header-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--color-primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .header-search {
            display: none;
            align-items: center;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            width: 220px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-heading);
            width: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-muted);
        }
        .header-search i {
            color: var(--color-muted);
            margin-right: 0.5rem;
            font-size: 0.85rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.35);
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 2px 6px rgba(15, 118, 110, 0.25);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: #fff;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-primary);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--color-heading);
            font-size: 1.25rem;
            transition: var(--transition-base);
        }
        .mobile-toggle:hover {
            background-color: var(--color-bg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 49;
            background-color: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 1rem 1.5rem;
            flex-direction: column;
            gap: 0.25rem;
            box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 0.5rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
        }
        .mobile-menu a:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .mobile-menu a.active {
            color: var(--color-primary);
            font-weight: 600;
            background-color: var(--color-primary-soft);
        }
        @media (min-width: 1024px) {
            .header-nav {
                display: flex;
            }
            .header-search {
                display: flex;
            }
            .mobile-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-muted);
            padding: 1rem 0 0;
        }
        .breadcrumb a {
            color: var(--color-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #0F766E 0%, #0D4F4A 100%);
            border-radius: 24px;
            overflow: hidden;
            margin-top: 1rem;
            margin-bottom: 2.5rem;
            padding: 3rem 2rem;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(20, 184, 166, 0.15);
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .page-hero h1 {
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin: 0;
            letter-spacing: -0.01em;
        }
        .page-hero p {
            font-size: 1.05rem;
            color: #D1FAE5;
            margin: 0.75rem 0 0;
            line-height: 1.6;
            max-width: 600px;
        }
        .page-hero .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 1.25rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 0.8rem;
            padding: 0.35rem 0.9rem;
            border-radius: 9999px;
            font-weight: 500;
        }
        .section {
            padding: 2.5rem 0;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.5rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--color-body);
            margin: 0;
            line-height: 1.7;
            max-width: 680px;
        }
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 768px) {
            .comparison-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }
        .plan-card {
            position: relative;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .plan-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .plan-card.featured {
            border-color: var(--color-primary);
            box-shadow: 0 2px 6px rgba(15, 118, 110, 0.12), 0 16px 36px rgba(15, 118, 110, 0.14);
            background: linear-gradient(180deg, #F0FDFA 0%, #FFFFFF 40%);
        }
        .plan-card .plan-tag {
            display: inline-block;
            align-self: flex-start;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
        }
        .plan-card.featured .plan-tag {
            background: var(--color-primary);
            color: #fff;
        }
        .plan-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0;
        }
        .plan-card .plan-price {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-number);
        }
        .plan-card .plan-price span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--color-muted);
        }
        .plan-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .plan-card ul li {
            font-size: 0.88rem;
            color: var(--color-body);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            line-height: 1.5;
        }
        .plan-card ul li i {
            color: var(--color-success);
            margin-top: 0.2rem;
            font-size: 0.8rem;
        }
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin-top: 1rem;
        }
        .comparison-table {
            min-width: 720px;
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
        }
        .comparison-table th,
        .comparison-table td {
            text-align: center;
            padding: 0.9rem 1rem;
            font-size: 0.85rem;
            border-bottom: 1px solid var(--color-border);
            background: var(--color-card);
        }
        .comparison-table th {
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
        }
        .comparison-table th:first-child,
        .comparison-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--color-heading);
            white-space: nowrap;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table .score-high {
            color: var(--color-primary);
            font-weight: 700;
            font-family: var(--font-number);
        }
        .comparison-table .score-mid {
            color: var(--color-accent);
            font-weight: 600;
            font-family: var(--font-number);
        }
        .comparison-table .score-low {
            color: var(--color-muted);
            font-weight: 500;
            font-family: var(--font-number);
        }
        .score-bar {
            height: 6px;
            border-radius: 3px;
            background: var(--color-border);
            overflow: hidden;
            margin-top: 0.5rem;
        }
        .score-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--color-primary);
            transition: width 0.5s ease;
        }
        .score-bar-fill.accent {
            background: var(--color-accent);
        }
        .score-bar-fill.light {
            background: var(--color-primary-light);
            border: 1px solid var(--color-primary);
        }
        .detail-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .detail-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .detail-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.75rem;
            box-shadow: var(--shadow-card);
        }
        .detail-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .detail-card h3 i {
            color: var(--color-primary);
            width: 24px;
            text-align: center;
        }
        .detail-card p {
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.7;
            margin: 0 0 0.75rem;
        }
        .detail-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .detail-card ul li {
            font-size: 0.85rem;
            color: var(--color-body);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
        }
        .detail-card ul li i {
            color: var(--color-success);
            margin-top: 0.25rem;
        }
        .recommendation-box {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0D4F4A 100%);
            border-radius: 20px;
            padding: 2rem 2rem;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .recommendation-box::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .recommendation-box h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
            position: relative;
            z-index: 2;
        }
        .recommendation-box p {
            font-size: 0.95rem;
            color: #D1FAE5;
            line-height: 1.7;
            margin: 0 0 1.25rem;
            position: relative;
            z-index: 2;
            max-width: 600px;
        }
        .recommendation-box .btn-primary {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
            position: relative;
            z-index: 2;
        }
        .recommendation-box .btn-primary:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-heading);
            cursor: pointer;
            transition: var(--transition-base);
            gap: 1rem;
        }
        .faq-question:hover {
            background-color: var(--color-primary-soft);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.8rem;
            transition: var(--transition-base);
        }
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }
        .cta-section {
            background: linear-gradient(135deg, #0F766E 0%, #115E59 50%, #134E4A 100%);
            border-radius: 24px;
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(20, 184, 166, 0.15);
        }
        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.5rem;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            font-size: 1rem;
            color: #D1FAE5;
            margin: 0 auto 1.5rem;
            max-width: 560px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }
        .cta-section .btn-primary {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 2;
            font-size: 1rem;
            padding: 0.75rem 2rem;
        }
        .cta-section .btn-primary:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
        }
        .footer {
            background-color: var(--color-footer);
            color: var(--color-footer-text);
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 3rem;
            }
        }
        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-brand h3 i {
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-footer-text);
            line-height: 1.7;
            margin: 0;
            max-width: 420px;
        }
        .footer-links-group h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 0.75rem;
        }
        .footer-links-group a {
            display: block;
            font-size: 0.85rem;
            color: var(--color-footer-text);
            padding: 0.3rem 0;
            transition: var(--transition-base);
        }
        .footer-links-group a:hover {
            color: #fff;
            padding-left: 0.25rem;
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
            padding-top: 1.5rem;
            font-size: 0.8rem;
            color: rgba(203, 213, 225, 0.7);
            text-align: center;
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
        }
        .footer-bottom-links a {
            color: rgba(203, 213, 225, 0.7);
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .footer-bottom-links span {
            color: rgba(203, 213, 225, 0.5);
        }
        @media (max-width: 767px) {
            .page-hero {
                padding: 2rem 1.25rem;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .recommendation-box {
                padding: 1.5rem 1.25rem;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 1023px) {
            .header-actions .btn-primary span {
                display: none;
            }
        }
        .rating-stars {
            display: inline-flex;
            gap: 0.2rem;
            color: var(--color-accent);
            font-size: 0.85rem;
        }
        .rating-stars .empty {
            color: #CBD5E1;
        }
        .tag {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.3rem 0.8rem;
            border-radius: 9999px;
            white-space: nowrap;
        }
        .tag-accent {
            background: var(--color-accent-soft);
            color: var(--color-accent-hover);
        }
        .img-cover {
            width: 100%;
            object-fit: cover;
            border-radius: 12px;
        }
        .plan-image {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 0.25rem;
        }
        .divider {
            height: 1px;
            background: var(--color-border);
            margin: 1.5rem 0;
            border: none;
        }

/* roulang page: category4 */
:root {
            --color-primary: #0F766E;
            --color-primary-dark: #115E59;
            --color-primary-light: #CCFBF1;
            --color-primary-soft: #F0FDFA;
            --color-accent: #F59E0B;
            --color-accent-soft: #FEF3C7;
            --color-accent-hover: #D97706;
            --color-bg: #F8FAFC;
            --color-card: #FFFFFF;
            --color-heading: #1E293B;
            --color-body: #475569;
            --color-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-footer: #134E4A;
            --color-footer-text: #CBD5E1;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 20px 40px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(15, 118, 110, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-number: "Inter", ui-sans-serif, system-ui, sans-serif;
            --transition-base: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-body);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
            height: 72px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .header-logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), #14B8A6);
            border-radius: 8px;
            color: #fff;
            font-size: 0.9rem;
        }

        .header-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }

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

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--color-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .header-search {
            display: none;
            align-items: center;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            width: 220px;
            transition: var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-heading);
            width: 100%;
        }

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

        .header-search i {
            color: var(--color-muted);
            font-size: 0.85rem;
            margin-right: 0.5rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.65rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.35);
            transform: translateY(-2px);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: #fff;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 0.65rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition-base);
            white-space: nowrap;
        }

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

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--color-body);
            font-size: 1.2rem;
        }

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

        .mobile-menu {
            display: none;
            background-color: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 0.5rem 1rem 1rem;
            flex-direction: column;
            gap: 0.25rem;
        }

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

        .mobile-menu a {
            padding: 0.75rem 1rem;
            border-radius: 8px;
            font-weight: 500;
            color: var(--color-body);
            font-size: 0.95rem;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background-color: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--color-muted);
        }

        .breadcrumb a {
            color: var(--color-muted);
            transition: var(--transition-base);
        }

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

        .breadcrumb .sep {
            color: var(--color-border);
        }

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

        /* 页面 Hero */
        .page-hero {
            background: linear-gradient(135deg, #0F766E 0%, #14B8A6 60%, #0E7490 100%);
            padding: 3rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            max-width: 820px;
        }

        .page-hero .tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-radius: 9999px;
            padding: 0.35rem 1rem;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 1rem;
            backdrop-filter: blur(4px);
        }

        .page-hero h1 {
            color: #fff;
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 1rem;
            letter-spacing: -0.02em;
        }

        .page-hero p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.05rem;
            line-height: 1.75;
            margin: 0 0 0.5rem;
            max-width: 680px;
        }

        /* 数据亮点条 */
        .stats-strip {
            background-color: #fff;
            border-bottom: 1px solid var(--color-border);
        }

        .stats-strip-inner {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            padding: 1.75rem 0;
        }

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

        .stat-mini .num {
            font-family: var(--font-number);
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-mini .label {
            font-size: 0.82rem;
            color: var(--color-muted);
            margin-top: 0.25rem;
        }

        /* 案例研究列表 */
        .case-section {
            padding: 3.5rem 0;
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-head h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.5rem;
            letter-spacing: -0.01em;
        }

        .section-head p {
            color: var(--color-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .case-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 2.5rem;
            transition: var(--transition-base);
            display: grid;
            grid-template-columns: 1fr;
        }

        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .case-card-image {
            position: relative;
            min-height: 240px;
            background-size: cover;
            background-position: center;
        }

        .case-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 240px;
        }

        .case-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: 9999px;
            padding: 0.3rem 0.9rem;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
        }

        .case-card-body {
            padding: 1.75rem 1.5rem;
        }

        .case-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.5rem;
            line-height: 1.35;
        }

        .case-card-body .summary {
            color: var(--color-body);
            font-size: 0.95rem;
            line-height: 1.75;
            margin: 0 0 1.25rem;
        }

        .case-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .case-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-radius: 9999px;
            padding: 0.25rem 0.8rem;
            font-size: 0.78rem;
            font-weight: 500;
        }

        .case-tag.accent {
            background-color: var(--color-accent-soft);
            color: var(--color-accent-hover);
        }

        .case-result-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
            margin-top: 1.25rem;
        }

        .case-result-item {
            background-color: var(--color-bg);
            border-radius: 10px;
            padding: 0.75rem 1rem;
            text-align: center;
        }

        .case-result-item .num {
            font-family: var(--font-number);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
        }

        .case-result-item .label {
            font-size: 0.75rem;
            color: var(--color-muted);
        }

        /* 方法论区域 */
        .method-section {
            background-color: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 3.5rem 0;
        }

        .method-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .method-item {
            display: flex;
            gap: 1rem;
            padding: 1.5rem;
            background: var(--color-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
        }

        .method-item:hover {
            background: var(--color-primary-soft);
        }

        .method-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.1rem;
        }

        .method-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-heading);
            margin: 0 0 0.4rem;
        }

        .method-item p {
            font-size: 0.9rem;
            color: var(--color-body);
            margin: 0;
            line-height: 1.7;
        }

        /* 证言 */
        .testimonial-section {
            padding: 3.5rem 0;
        }

        .testimonial-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 2rem;
            max-width: 760px;
            margin: 0 auto;
        }

        .testimonial-stars {
            color: var(--color-accent);
            font-size: 1rem;
            margin-bottom: 0.75rem;
        }

        .testimonial-card blockquote {
            font-size: 1.05rem;
            color: var(--color-heading);
            line-height: 1.8;
            margin: 0 0 1.25rem;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
        }

        .testimonial-author .name {
            font-weight: 600;
            color: var(--color-heading);
            font-size: 0.9rem;
        }

        .testimonial-author .role {
            font-size: 0.8rem;
            color: var(--color-muted);
        }

        /* FAQ */
        .faq-section {
            background-color: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 3.5rem 0;
        }

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

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            background: #fff;
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
            padding: 1.25rem 1.5rem;
            background: none;
            text-align: left;
            font-weight: 600;
            color: var(--color-heading);
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-primary);
            font-size: 0.8rem;
            transition: var(--transition-base);
        }

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

        .faq-answer {
            display: none;
            padding: 0 1.5rem 1.25rem;
            color: var(--color-body);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA 区域 */
        .cta-section {
            padding: 3.5rem 0;
        }

        .cta-box {
            background: linear-gradient(135deg, #134E4A 0%, #0F766E 50%, #0E7490 100%);
            border-radius: 24px;
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-box h2 {
            color: #fff;
            font-size: 1.75rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            margin: 0 0 1.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--color-accent);
            color: #fff;
            border-radius: 9999px;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
            transition: var(--transition-base);
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-cta:hover {
            background-color: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.4);
        }

        .cta-box .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-radius: 9999px;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition-base);
            position: relative;
            z-index: 1;
            margin-left: 0.75rem;
        }

        .cta-box .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
        }

        /* 页脚 */
        .footer {
            background-color: var(--color-footer);
            color: var(--color-footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 1rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-brand h3 i {
            color: var(--color-accent);
            font-size: 1rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.75;
            margin: 0;
            color: var(--color-footer-text);
            max-width: 520px;
        }

        .footer-links-group h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 0.75rem;
        }

        .footer-links-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .footer-links-group a {
            color: var(--color-footer-text);
            font-size: 0.88rem;
            transition: var(--transition-base);
        }

        .footer-links-group a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            align-items: center;
            text-align: center;
        }

        .footer-bottom span,
        .footer-bottom a {
            font-size: 0.78rem;
            color: var(--color-footer-text);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            justify-content: center;
        }

        /* 响应式 */
        @media (min-width: 640px) {
            .stats-strip-inner {
                grid-template-columns: repeat(4, 1fr);
            }
            .case-result-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .method-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 768px) {
            .header-nav {
                display: flex;
            }
            .header-search {
                display: flex;
            }
            .mobile-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
            .page-hero h1 {
                font-size: 2.75rem;
            }
            .case-card {
                grid-template-columns: 1fr 1fr;
            }
            .case-card:nth-child(even) {
                grid-template-columns: 1fr 1fr;
            }
            .case-card:nth-child(even) .case-card-image {
                order: 2;
            }
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
            .method-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .page-hero h1 {
                font-size: 3rem;
            }
            .case-card-body {
                padding: 2rem 2.25rem;
            }
        }

        @media (max-width: 767px) {
            .page-hero {
                padding: 2.5rem 0;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .case-result-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-box {
                padding: 2.25rem 1.5rem;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-box .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.75rem;
            }
            .case-card {
                grid-template-columns: 1fr;
            }
            .case-card:nth-child(even) .case-card-image {
                order: 0;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0F766E;
            --color-primary-dark: #115E59;
            --color-primary-light: #CCFBF1;
            --color-primary-soft: #F0FDFA;
            --color-accent: #F59E0B;
            --color-accent-soft: #FEF3C7;
            --color-accent-hover: #D97706;
            --color-bg: #F8FAFC;
            --color-card: #FFFFFF;
            --color-heading: #1E293B;
            --color-body: #475569;
            --color-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-footer: #134E4A;
            --color-footer-text: #CBD5E1;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 20px 40px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(15, 118, 110, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-number: "Inter", ui-sans-serif, system-ui, sans-serif;
            --transition-base: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-body);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

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

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

        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
            height: 72px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .header-logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), #14B8A6);
            border-radius: 8px;
            color: #fff;
            font-size: 0.9rem;
        }

        .header-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }

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

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--color-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .header-search {
            display: none;
            align-items: center;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            width: 220px;
            transition: var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-heading);
            width: 100%;
        }

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

        .header-search i {
            color: var(--color-muted);
            font-size: 0.85rem;
            margin-right: 0.5rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(15, 118, 110, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 2px 8px rgba(15, 118, 110, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: #fff;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-primary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

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

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-heading);
            font-size: 1.1rem;
            transition: var(--transition-base);
        }

        .mobile-toggle:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .mobile-menu {
            display: none;
            background-color: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 1rem;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 49;
            box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
        }

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

        .mobile-menu a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            transition: var(--transition-base);
        }

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

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

        @media (min-width: 1024px) {
            .header-nav {
                display: flex;
            }
            .header-search {
                display: flex;
            }
            .mobile-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 639px) {
            .header-search {
                display: none;
            }
        }

        .breadcrumb {
            background-color: var(--color-bg);
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-muted);
        }

        .breadcrumb-inner a {
            color: var(--color-muted);
            transition: var(--transition-base);
        }

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

        .breadcrumb-inner i {
            font-size: 0.7rem;
        }

        .breadcrumb-inner .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        .rank-hero {
            background: linear-gradient(135deg, #F0FDFA 0%, #F8FAFC 55%, #FEF3C7 100%);
            padding: 3rem 0 2.5rem;
            border-bottom: 1px solid var(--color-border);
        }

        .rank-hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .rank-hero-grid {
                grid-template-columns: 1.2fr 0.8fr;
            }
        }

        .rank-hero-text h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-heading);
            margin: 0 0 0.75rem 0;
            line-height: 1.25;
        }

        @media (min-width: 640px) {
            .rank-hero-text h1 {
                font-size: 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .rank-hero-text h1 {
                font-size: 2.75rem;
            }
        }

        .rank-hero-text p {
            font-size: 1rem;
            color: var(--color-body);
            margin: 0 0 1.25rem 0;
            max-width: 540px;
            line-height: 1.75;
        }

        .rank-hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 1.25rem;
        }

        .rank-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.35rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-body);
            box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
        }

        .rank-hero-badge i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }

        .rank-hero-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            position: relative;
        }

        .rank-hero-image img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        @media (min-width: 640px) {
            .rank-hero-image img {
                height: 300px;
            }
        }

        .rank-hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1rem;
            background: linear-gradient(to top, rgba(19, 78, 74, 0.85), transparent);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .section {
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }

        .section-header {
            margin-bottom: 2rem;
        }

        .section-header h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.5rem 0;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 2rem;
            }
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-body);
            margin: 0;
            max-width: 650px;
        }

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

        .section-header-center p {
            margin-left: auto;
            margin-right: auto;
        }

        .rank-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .rank-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .rank-row {
            display: flex;
            align-items: stretch;
            padding: 1.25rem 1.5rem;
            gap: 1rem;
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition-base);
            background-color: #fff;
        }

        .rank-row:last-child {
            border-bottom: none;
        }

        .rank-row:hover {
            background-color: var(--color-primary-soft);
        }

        .rank-row.top-rank {
            background-color: #fffdf5;
        }

        .rank-row.top-rank:hover {
            background-color: #fef9e7;
        }

        .rank-number {
            flex-shrink: 0;
            width: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-muted);
            font-family: var(--font-number);
        }

        .rank-row.top-rank .rank-number {
            color: var(--color-accent);
        }

        .rank-number.gold {
            color: var(--color-accent);
        }

        .rank-content {
            flex: 1;
            min-width: 0;
        }

        .rank-content-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.35rem;
        }

        .rank-content-header h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0;
            line-height: 1.3;
        }

        .rank-tag {
            display: inline-block;
            background-color: var(--color-accent-soft);
            color: var(--color-accent-hover);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 9999px;
            white-space: nowrap;
        }

        .rank-content p {
            font-size: 0.9rem;
            color: var(--color-body);
            margin: 0 0 0.5rem 0;
            line-height: 1.6;
        }

        .rank-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .rank-metric {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.78rem;
            color: var(--color-muted);
            background-color: var(--color-bg);
            border-radius: 6px;
            padding: 0.25rem 0.6rem;
            white-space: nowrap;
        }

        .rank-metric i {
            color: var(--color-primary);
            font-size: 0.7rem;
        }

        .rank-score-area {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            justify-content: center;
            gap: 0.3rem;
            min-width: 90px;
        }

        .rank-score {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-number);
            line-height: 1;
        }

        .rank-stars {
            display: flex;
            gap: 0.15rem;
            font-size: 0.8rem;
            color: var(--color-accent);
        }

        .rank-stars i.unfilled {
            color: #CBD5E1;
        }

        .rank-score-label {
            font-size: 0.7rem;
            color: var(--color-muted);
        }

        @media (max-width: 639px) {
            .rank-row {
                flex-direction: column;
                padding: 1rem;
                gap: 0.75rem;
            }
            .rank-number {
                width: 100%;
                justify-content: flex-start;
                font-size: 1.3rem;
            }
            .rank-score-area {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                min-width: auto;
                gap: 0.5rem;
                padding-top: 0.5rem;
                border-top: 1px dashed var(--color-border);
            }
            .rank-score {
                font-size: 1.4rem;
            }
        }

        .stats-bar {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 2rem 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(4, 1fr);
                padding: 2.5rem 3rem;
            }
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-number);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 0.3rem;
        }

        .criteria-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        @media (min-width: 640px) {
            .criteria-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .criteria-grid {
                grid-template-columns: repeat(5, 1fr);
            }
        }

        .criteria-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 1.25rem;
            text-align: center;
            transition: var(--transition-base);
        }

        .criteria-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .criteria-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-primary-soft);
            border-radius: 10px;
            margin: 0 auto 0.75rem;
            color: var(--color-primary);
            font-size: 1.1rem;
        }

        .criteria-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.35rem 0;
        }

        .criteria-card p {
            font-size: 0.85rem;
            color: var(--color-body);
            margin: 0;
            line-height: 1.6;
        }

        .faq-list {
            max-width: 680px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            transition: var(--transition-base);
            user-select: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question i {
            flex-shrink: 0;
            color: var(--color-muted);
            transition: var(--transition-base);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-answer {
            display: none;
            padding: 0 1.25rem 1.15rem;
            font-size: 0.92rem;
            color: var(--color-body);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .cta-section {
            background: linear-gradient(135deg, #134E4A 0%, #0F766E 60%, #115E59 100%);
            border-radius: 20px;
            padding: 3rem 2rem;
            text-align: center;
            margin: 3rem auto 0;
            max-width: 1000px;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.75rem 0;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2.25rem;
            }
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 auto 1.5rem;
            max-width: 560px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            background-color: #fff;
            color: var(--color-primary-dark);
            font-size: 1rem;
            padding: 0.75rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .cta-section .btn-primary:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        .cta-section .btn-secondary {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
            font-size: 1rem;
            padding: 0.75rem 2rem;
        }

        .cta-section .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .footer {
            background-color: var(--color-footer);
            color: var(--color-footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 1.6fr 1fr 1fr;
                gap: 3rem;
            }
        }

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-brand h3 i {
            color: var(--color-accent);
            font-size: 1rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--color-footer-text);
            margin: 0;
            line-height: 1.7;
            max-width: 420px;
        }

        .footer-links-group h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem 0;
        }

        .footer-links-group a {
            display: block;
            font-size: 0.88rem;
            color: var(--color-footer-text);
            padding: 0.3rem 0;
            transition: var(--transition-base);
        }

        .footer-links-group a:hover {
            color: #fff;
            padding-left: 0.25rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--color-footer-text);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--color-footer-text);
            transition: var(--transition-base);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

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

        .section-divider {
            height: 1px;
            background-color: var(--color-border);
            margin: 0;
        }

        .smooth-fade {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .smooth-fade.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (max-width: 639px) {
            .rank-hero-text h1 {
                font-size: 1.8rem;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 1.5rem;
                gap: 1.5rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #0F766E;
            --color-primary-dark: #115E59;
            --color-primary-light: #CCFBF1;
            --color-primary-soft: #F0FDFA;
            --color-accent: #F59E0B;
            --color-accent-soft: #FEF3C7;
            --color-accent-hover: #D97706;
            --color-bg: #F8FAFC;
            --color-card: #FFFFFF;
            --color-heading: #1E293B;
            --color-body: #475569;
            --color-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-footer: #134E4A;
            --color-footer-text: #CBD5E1;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 20px 40px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(15, 118, 110, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-number: "Inter", ui-sans-serif, system-ui, sans-serif;
            --transition-base: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-body);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
            height: 72px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .header-logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), #14B8A6);
            border-radius: 8px;
            color: #fff;
            font-size: 0.9rem;
        }

        .header-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }

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

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--color-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .header-search {
            display: none;
            align-items: center;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            width: 220px;
            transition: var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-heading);
            width: 100%;
        }

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

        .header-search i {
            color: var(--color-muted);
            font-size: 0.85rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.35);
            color: #fff;
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: #fff;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background-color: var(--color-primary-soft);
            border-color: var(--color-primary-dark);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

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

        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: var(--color-bg);
            color: var(--color-heading);
            font-size: 1.2rem;
            transition: var(--transition-base);
        }

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
            z-index: 49;
            padding: 1rem 2rem;
            flex-direction: column;
            gap: 0.5rem;
        }

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

        .mobile-menu a {
            display: flex;
            align-items: center;
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 10px;
            transition: var(--transition-base);
        }

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

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-muted);
            padding: 1.5rem 0 0.5rem 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb i {
            font-size: 0.6rem;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        .page-hero {
            background: linear-gradient(135deg, #0F766E 0%, #134E4A 55%, #0F172A 100%);
            border-radius: 0 0 32px 32px;
            padding: 3.5rem 0 4rem 0;
            margin-bottom: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 1rem 0;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .page-hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 0 1.5rem 0;
            line-height: 1.7;
        }

        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .page-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 9999px;
            padding: 0.35rem 1rem;
            font-size: 0.8rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .page-hero .hero-tag i {
            color: var(--color-accent);
        }

        .page-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .page-hero .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #fff;
            color: var(--color-primary-dark);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 700;
            transition: var(--transition-base);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .page-hero .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            color: var(--color-primary-dark);
        }

        .page-hero .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition-base);
        }

        .page-hero .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--color-border);
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-body);
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

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

        .filter-btn.active {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: 0 2px 8px rgba(15, 118, 110, 0.3);
        }

        .tool-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .tool-card-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem 1.5rem 0.75rem 1.5rem;
        }

        .tool-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .tool-card-icon.teal {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .tool-card-icon.amber {
            background: var(--color-accent-soft);
            color: var(--color-accent-hover);
        }
        .tool-card-icon.indigo {
            background: #EEF2FF;
            color: #4F46E5;
        }
        .tool-card-icon.rose {
            background: #FFF1F2;
            color: #E11D48;
        }
        .tool-card-icon.sky {
            background: #F0F9FF;
            color: #0284C7;
        }
        .tool-card-icon.emerald {
            background: #ECFDF5;
            color: #059669;
        }
        .tool-card-icon.violet {
            background: #F5F3FF;
            color: #7C3AED;
        }
        .tool-card-icon.orange {
            background: #FFF7ED;
            color: #EA580C;
        }

        .tool-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0;
        }

        .tool-card-category {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 9999px;
            margin-top: 0.25rem;
        }

        .tool-card-body {
            padding: 0.75rem 1.5rem 1.25rem 1.5rem;
            flex-grow: 1;
        }

        .tool-card-body p {
            font-size: 0.9rem;
            color: var(--color-body);
            margin: 0 0 0.75rem 0;
            line-height: 1.65;
        }

        .tool-card-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.75rem;
            color: var(--color-muted);
        }

        .tool-card-stats span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .tool-card-stats i {
            color: var(--color-accent);
            font-size: 0.7rem;
        }

        .tool-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.5rem;
            border-top: 1px solid var(--color-border);
            background: var(--color-bg);
        }

        .tool-card-footer .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: 9999px;
            padding: 0.45rem 1.2rem;
            font-size: 0.8rem;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .tool-card-footer .btn-download:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            color: #fff;
        }

        .tool-card-footer .tool-rating {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-heading);
        }
        .tool-card-footer .tool-rating i {
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        .feature-section {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
            margin-bottom: 3rem;
            padding: 2.5rem;
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .feature-section-image {
            border-radius: 16px;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--color-bg);
        }

        .feature-section-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-section-content h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--color-heading);
            margin: 0 0 1rem 0;
            line-height: 1.3;
        }

        .feature-section-content p {
            font-size: 0.95rem;
            color: var(--color-body);
            margin: 0 0 1.25rem 0;
            line-height: 1.75;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.9rem;
            color: var(--color-body);
        }

        .feature-list li i {
            color: var(--color-success);
            font-size: 1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .comparison-section {
            margin-bottom: 3rem;
        }

        .comparison-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--color-heading);
            margin: 0 0 1rem 0;
            line-height: 1.3;
        }

        .comparison-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        .comparison-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .comparison-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .comparison-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
        }

        .comparison-card-header h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0;
        }

        .comparison-card-header .badge {
            display: inline-flex;
            align-items: center;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .comparison-card-header .badge.premium {
            background: var(--color-accent-soft);
            color: var(--color-accent-hover);
        }

        .rating-bar {
            margin-bottom: 0.6rem;
        }

        .rating-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-body);
            margin-bottom: 0.3rem;
        }

        .rating-bar-track {
            height: 6px;
            background: var(--color-bg);
            border-radius: 3px;
            overflow: hidden;
        }

        .rating-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--color-primary), #14B8A6);
            transition: width 0.4s ease;
        }

        .rating-bar-fill.amber {
            background: linear-gradient(90deg, var(--color-accent), #FBBF24);
        }

        .rating-bar-fill.sky {
            background: linear-gradient(90deg, #0284C7, #38BDF8);
        }

        .steps-section {
            margin-bottom: 3rem;
            background: linear-gradient(135deg, #F0FDFA 0%, #F8FAFC 100%);
            border-radius: 24px;
            padding: 3rem 2rem;
            border: 1px solid var(--color-border);
        }

        .steps-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--color-heading);
            margin: 0 0 1.5rem 0;
            text-align: center;
        }

        .steps-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: #fff;
            border-radius: 16px;
            padding: 1.25rem 1.5rem;
            border: 1px solid var(--color-border);
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 0.4rem 0;
        }

        .step-content p {
            font-size: 0.88rem;
            color: var(--color-body);
            margin: 0;
            line-height: 1.65;
        }

        .faq-section {
            margin-bottom: 3rem;
        }

        .faq-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--color-heading);
            margin: 0 0 1.5rem 0;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-primary-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-heading);
            gap: 1rem;
        }

        .faq-question i {
            color: var(--color-muted);
            font-size: 0.9rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-answer {
            display: none;
            padding: 0 1.5rem 1.25rem 1.5rem;
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.75;
            border-top: 1px solid var(--color-border);
            padding-top: 1rem;
            margin-top: 0.5rem;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .cta-section {
            background: linear-gradient(135deg, #134E4A 0%, #0F766E 60%, #14B8A6 100%);
            border-radius: 24px;
            padding: 3.5rem 2rem;
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 1rem 0;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 1.75rem auto;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #fff;
            color: var(--color-primary-dark);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 700;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .cta-section .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            color: var(--color-primary-dark);
        }

        .cta-section .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .cta-section .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        .footer {
            background-color: var(--color-footer);
            color: var(--color-footer-text);
            padding: 3.5rem 0 1.5rem 0;
            margin-top: 2rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 1rem 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .footer-brand h3 i {
            color: #14B8A6;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.75;
            margin: 0;
            max-width: 480px;
        }

        .footer-links-group h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 1rem 0;
        }

        .footer-links-group a {
            display: block;
            font-size: 0.85rem;
            color: var(--color-footer-text);
            margin-bottom: 0.6rem;
            transition: var(--transition-base);
        }

        .footer-links-group a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            font-size: 0.78rem;
            color: rgba(203, 213, 225, 0.7);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(203, 213, 225, 0.7);
            transition: var(--transition-base);
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .footer-bottom-links span {
            color: rgba(203, 213, 225, 0.5);
        }

        @media (min-width: 640px) {
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 768px) {
            .header-nav {
                display: flex;
            }
            .header-search {
                display: flex;
            }
            .mobile-menu-btn {
                display: none;
            }
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
            .page-hero h1 {
                font-size: 3rem;
            }
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
            .feature-section {
                grid-template-columns: 1fr 1fr;
            }
            .feature-section.reverse {
                grid-template-columns: 1fr 1fr;
            }
            .feature-section.reverse .feature-section-image {
                order: 2;
            }
            .feature-section.reverse .feature-section-content {
                order: 1;
            }
        }

        @media (min-width: 1024px) {
            .tool-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .comparison-cards {
                grid-template-columns: repeat(3, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(4, 1fr);
            }
            .page-hero {
                padding: 4.5rem 0 5rem 0;
            }
            .page-hero h1 {
                font-size: 3.25rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .page-hero {
                padding: 2.5rem 0 3rem 0;
                border-radius: 0 0 24px 24px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .page-hero .hero-actions {
                flex-direction: column;
                gap: 0.75rem;
            }
            .page-hero .btn-white,
            .page-hero .btn-outline-white {
                width: 100%;
                justify-content: center;
            }
            .feature-section {
                padding: 1.5rem;
            }
            .cta-section {
                padding: 2.5rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .filter-bar {
                gap: 0.4rem;
            }
            .filter-btn {
                font-size: 0.75rem;
                padding: 0.35rem 0.9rem;
            }
            .tool-card-header {
                padding: 1rem 1rem 0.5rem 1rem;
            }
            .tool-card-body {
                padding: 0.5rem 1rem 1rem 1rem;
            }
            .tool-card-footer {
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.6rem;
                align-items: flex-start;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0F766E;
            --color-primary-dark: #115E59;
            --color-primary-light: #CCFBF1;
            --color-primary-soft: #F0FDFA;
            --color-accent: #F59E0B;
            --color-accent-soft: #FEF3C7;
            --color-accent-hover: #D97706;
            --color-bg: #F8FAFC;
            --color-card: #FFFFFF;
            --color-heading: #1E293B;
            --color-body: #475569;
            --color-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-footer: #134E4A;
            --color-footer-text: #CBD5E1;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 20px 40px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(15, 118, 110, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-number: "Inter", ui-sans-serif, system-ui, sans-serif;
            --transition-base: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-body);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

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

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

        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
            height: 72px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .header-logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), #14B8A6);
            border-radius: 8px;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }

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

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--color-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .header-search {
            display: none;
            align-items: center;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            width: 220px;
            transition: var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-heading);
            width: 100%;
        }

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

        .header-search i {
            color: var(--color-muted);
            font-size: 0.8rem;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            transition: var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .header-cta:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.35);
        }

        .header-cta:active {
            transform: scale(0.98);
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--color-bg);
            color: var(--color-heading);
            font-size: 1.1rem;
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
            z-index: 49;
            padding: 1rem 1.5rem 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
        }

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

        .mobile-menu a {
            display: flex;
            align-items: center;
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 8px;
            transition: var(--transition-base);
        }

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

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

        @media (min-width: 768px) {
            .header-nav {
                display: flex;
            }
            .header-search {
                display: flex;
            }
            .mobile-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 767px) {
            .header-inner {
                gap: 0.5rem;
            }
            .header-cta {
                display: none;
            }
            .header-nav {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-bottom: 1rem;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-border);
        }

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

        .hero-support {
            background: linear-gradient(160deg, #F0FDFA 0%, #FFFFFF 50%, #F8FAFC 100%);
            border-bottom: 1px solid var(--color-border);
            padding: 3rem 0;
            position: relative;
            overflow: hidden;
        }

        .hero-support::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15, 118, 110, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-support::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -100px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-support-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .hero-support-content h1 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--color-heading);
            letter-spacing: -0.02em;
            margin: 0;
            line-height: 1.25;
        }

        .hero-support-content .hero-sub {
            font-size: 1.05rem;
            color: var(--color-body);
            max-width: 640px;
            line-height: 1.6;
            margin: 0;
        }

        .hero-search-wrapper {
            width: 100%;
            max-width: 640px;
            position: relative;
            margin: 0.5rem 0 0.25rem;
        }

        .hero-search-box {
            display: flex;
            align-items: center;
            background-color: #FFFFFF;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.2rem;
            gap: 0.75rem;
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
            transition: var(--transition-base);
        }

        .hero-search-box:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px var(--color-primary-light), 0 8px 24px rgba(15, 23, 42, 0.08);
        }

        .hero-search-box i {
            color: var(--color-muted);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .hero-search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 1rem;
            color: var(--color-heading);
            width: 100%;
            padding: 0;
        }

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

        .hero-search-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
            box-shadow: var(--shadow-btn);
        }

        .hero-search-btn:hover {
            background-color: var(--color-primary-dark);
            transform: translateY(-1px);
        }

        .hero-quick-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            max-width: 640px;
        }

        .hero-quick-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-body);
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .hero-quick-tag:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background-color: var(--color-primary-soft);
            transform: translateY(-1px);
        }

        .hero-support-image {
            width: 100%;
            max-width: 720px;
            margin: 1rem auto 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            position: relative;
        }

        .hero-support-image img {
            width: 100%;
            object-fit: cover;
        }

        .hero-support-image .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.75) 0%, transparent 100%);
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .hero-support-image .image-overlay .badge-mini {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background-color: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            padding: 0.25rem 0.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.75rem;
            font-weight: 600;
        }

        .section-pad {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            .section-pad {
                padding: 4.5rem 0;
            }
        }

        @media (min-width: 1024px) {
            .section-pad {
                padding: 5rem 0;
            }
        }

        .quick-help-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        @media (min-width: 640px) {
            .quick-help-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .quick-help-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }

        .quick-help-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

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

        .quick-help-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .quick-help-card:hover .quick-help-icon {
            background-color: var(--color-primary);
            color: #fff;
        }

        .quick-help-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0;
            line-height: 1.4;
        }

        .quick-help-card p {
            font-size: 0.85rem;
            color: var(--color-body);
            margin: 0;
            line-height: 1.6;
            flex-grow: 1;
        }

        .quick-help-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: var(--transition-base);
        }

        .quick-help-card .card-link:hover {
            gap: 0.6rem;
            color: var(--color-primary-dark);
        }

        .faq-section-title {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }

        .faq-section-title .title-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-accent-soft);
            color: var(--color-accent-hover);
            border-radius: 10px;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .faq-section-title h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0;
            letter-spacing: -0.01em;
        }

        .faq-section-title .faq-count {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-muted);
            margin-left: auto;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-btn);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

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

        .faq-item:hover {
            border-color: var(--color-primary-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.15rem 1.5rem;
            cursor: pointer;
            user-select: none;
            transition: var(--transition-base);
            width: 100%;
            text-align: left;
        }

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

        .faq-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--color-bg);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.85rem;
            font-family: var(--font-number);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .faq-item.active .faq-number {
            background-color: var(--color-primary);
            color: #fff;
        }

        .faq-question-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-heading);
            flex-grow: 1;
            line-height: 1.5;
            margin: 0;
        }

        .faq-toggle-icon {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-muted);
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: var(--transition-base);
            border: 1px solid var(--color-border);
            border-radius: 50%;
        }

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

        .faq-answer {
            display: none;
            padding: 0 1.5rem 1.25rem 4.25rem;
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.75;
            border-top: 1px dashed var(--color-border);
            padding-top: 1rem;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .faq-answer p {
            margin: 0;
        }

        .faq-answer .faq-tip {
            margin-top: 0.75rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            padding: 0.4rem 0.9rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
        }

        .support-process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 768px) {
            .support-process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }

        .process-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 1rem;
            position: relative;
        }

        .process-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), #14B8A6);
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

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

        .process-step {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .process-step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            font-family: var(--font-number);
            flex-shrink: 0;
        }

        .process-step-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .process-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0;
            line-height: 1.4;
        }

        .process-card p {
            font-size: 0.88rem;
            color: var(--color-body);
            margin: 0;
            line-height: 1.7;
        }

        .cta-support {
            background: linear-gradient(135deg, var(--color-footer) 0%, #115E59 50%, #0F766E 100%);
            border-radius: var(--radius-card);
            padding: 2.5rem 1.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-support::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-support::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -20%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-support h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.75rem;
            letter-spacing: -0.01em;
            position: relative;
            z-index: 1;
        }

        .cta-support p {
            font-size: 0.95rem;
            color: var(--color-footer-text);
            max-width: 540px;
            margin: 0 auto 1.5rem;
            line-height: 1.65;
            position: relative;
            z-index: 1;
        }

        .cta-support-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .btn-primary-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: #fff;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.65rem 1.75rem;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-primary-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            color: var(--color-primary-dark);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.65rem 1.75rem;
            border-radius: var(--radius-btn);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

        .faq-item {
            transition: all 0.3s ease;
        }

        .faq-answer {
            animation: fadeInAnswer 0.3s ease;
        }

        @keyframes fadeInAnswer {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .footer {
            background-color: var(--color-footer);
            color: var(--color-footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 1.5rem;
        }

        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 3rem;
            }
        }

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-brand h3 i {
            color: #14B8A6;
            font-size: 1.1rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-footer-text);
            line-height: 1.65;
            margin: 0;
            max-width: 400px;
        }

        .footer-links-group h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-links-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links-group a {
            font-size: 0.85rem;
            color: var(--color-footer-text);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
        }

        .footer-links-group a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            align-items: flex-start;
            font-size: 0.78rem;
            color: var(--color-footer-text);
            flex-wrap: wrap;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 1rem;
            }
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--color-footer-text);
            font-size: 0.78rem;
            transition: var(--transition-base);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        .footer-bottom-links span.sep {
            color: rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 767px) {
            .hero-support-content h1 {
                font-size: 1.75rem;
            }
            .hero-support {
                padding: 2rem 0;
            }
            .hero-search-btn {
                padding: 0.5rem 0.9rem;
                font-size: 0.8rem;
            }
            .faq-question {
                padding: 1rem 1rem;
                gap: 0.6rem;
            }
            .faq-question-text {
                font-size: 0.88rem;
            }
            .faq-answer {
                padding: 0.75rem 1rem 1rem 3.25rem;
                font-size: 0.82rem;
            }
            .cta-support {
                padding: 2rem 1rem;
            }
            .cta-support h2 {
                font-size: 1.4rem;
            }
            .section-pad {
                padding: 2.5rem 0;
            }
        }