/* roulang page: index */
:root {
            --brand: #0D9488;
            --brand-dark: #0F766E;
            --brand-deep: #134E4A;
            --brand-grad: linear-gradient(135deg, #0D9488, #0F766E);
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --accent-grad: linear-gradient(120deg, #F59E0B, #EA580C);
            --bg-paper: #FAF9F7;
            --bg-teal: #F0FDFA;
            --bg-white: #FFFFFF;
            --text-ink: #1C1917;
            --text-sub: #57534E;
            --text-muted: #A8A29E;
            --border: #E7E5E4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 12px 32px rgba(15, 118, 110, 0.16);
            --transition: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg-paper);
            color: var(--text-ink);
            line-height: 1.75;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            vertical-align: middle;
            border: 0;
        }
        a {
            text-decoration: none;
            color: var(--brand-dark);
            transition: var(--transition);
        }
        a:hover {
            color: var(--brand);
        }
        .container {
            max-width: 1240px;
        }
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            padding: 0.75rem 2rem;
            transition: var(--transition);
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(13, 148, 136, 0.25);
            outline-offset: 2px;
        }
        .btn-brand-primary {
            background: var(--brand-grad);
            color: #fff;
            border: none;
        }
        .btn-brand-primary:hover {
            filter: brightness(1.06);
            color: #fff;
            box-shadow: 0 12px 24px rgba(15, 118, 110, 0.24);
        }
        .btn-outline-brand {
            background: transparent;
            border: 1px solid var(--brand);
            color: var(--brand);
        }
        .btn-outline-brand:hover {
            background: var(--bg-teal);
            color: var(--brand-dark);
        }
        .btn-accent {
            background: var(--accent-grad);
            color: #fff;
            border: none;
        }
        .btn-accent:hover {
            filter: brightness(1.05);
            color: #fff;
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.28);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .btn-sm {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }
        .section {
            padding: clamp(56px, 8vw, 96px) 0;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0.75rem;
            color: var(--text-ink);
        }
        .section-sub {
            color: var(--text-sub);
            font-size: 1rem;
            max-width: 640px;
            margin-bottom: 2.5rem;
        }
        .text-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }
        .badge-soft {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-dark);
        }
        .badge-brand {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(13, 148, 136, 0.12);
            color: var(--brand-dark);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
            border-bottom: 1px solid var(--border);
        }
        .header-brand-row {
            height: 72px;
            border-bottom: 1px solid rgba(231, 229, 228, 0.6);
        }
        .brand-row-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Noto Serif SC', 'Songti SC', serif;
            font-size: 1.35rem;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
        }
        .brand-logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-ink);
            font-family: 'Noto Serif SC', 'Songti SC', serif;
            line-height: 1.1;
            display: flex;
            flex-direction: column;
        }
        .brand-logo-text small {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 0.6rem;
            letter-spacing: 2px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .brand-row-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-search-round {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--bg-paper);
            color: var(--text-sub);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 0.875rem;
        }
        .btn-search-round:hover {
            background: var(--bg-teal);
            border-color: var(--brand);
            color: var(--brand-dark);
        }
        .header-channel-row {
            height: 56px;
            display: flex;
            align-items: center;
        }
        .channel-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            align-items: center;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-link {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.9375rem;
            color: var(--text-sub);
            white-space: nowrap;
            background: transparent;
            transition: var(--transition);
            font-weight: 500;
        }
        .channel-link:hover {
            background: var(--bg-teal);
            color: var(--brand-dark);
        }
        .channel-link.active {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
        }
        .header-scrolled .header-brand-row {
            height: 56px;
        }
        .header-scrolled .header-channel-row {
            height: 44px;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: var(--brand-grad);
            position: relative;
            overflow: hidden;
            color: #fff;
            padding: clamp(64px, 9vw, 110px) 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 30%;
            width: 260px;
            height: 260px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: clamp(2.25rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
        }
        .hero-title .brand-highlight {
            color: #FCD34D;
            position: relative;
            display: inline-block;
        }
        .hero-sub {
            font-size: 1.0625rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .hero-trust i {
            color: #FCD34D;
        }
        .hero-media {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
        }
        .hero-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
            display: block;
        }
        .hero-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(19, 78, 74, 0.5) 0%, transparent 40%);
        }
        .hero-media-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            border-radius: 14px;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(6px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            color: var(--text-ink);
        }
        .hero-media-badge .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--brand-dark);
        }
        .hero-media-badge .lbl {
            font-size: 0.75rem;
            color: var(--text-sub);
            line-height: 1.3;
        }

        /* ===== Pain Points ===== */
        .pain-section {
            background: var(--bg-paper);
        }
        .pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: start;
        }
        .pain-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .pain-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .pain-card.pain-large {
            padding: 36px 32px;
        }
        .pain-card.pain-small {
            padding: 28px 24px;
        }
        .pain-card:nth-child(2) {
            transform: translateY(20px);
        }
        .pain-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(13, 148, 136, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--brand-dark);
            margin-bottom: 18px;
        }
        .pain-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-ink);
        }
        .pain-card p {
            color: var(--text-sub);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .pain-card .link-more {
            color: var(--brand-dark);
            font-size: 0.875rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .pain-card .link-more:hover {
            gap: 10px;
            color: var(--brand);
        }

        /* ===== Solution Timeline ===== */
        .solution-section {
            background: var(--bg-teal);
        }
        .solution-item {
            display: flex;
            align-items: center;
            gap: 40px;
            padding: 48px 0;
            border-bottom: 1px solid rgba(231, 229, 228, 0.8);
        }
        .solution-item:last-child {
            border-bottom: none;
        }
        .solution-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        .solution-content {
            flex: 1;
        }
        .solution-num {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            font-family: 'Noto Serif SC', serif;
        }
        .solution-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-ink);
        }
        .solution-content p {
            color: var(--text-sub);
            line-height: 1.85;
            font-size: 0.9375rem;
            max-width: 520px;
        }
        .solution-media {
            flex: 0 0 46%;
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 0 0 1px transparent, var(--shadow-card);
        }
        .solution-media::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 24px;
            padding: 1px;
            background: linear-gradient(135deg, rgba(13, 148, 136, 0.4), rgba(245, 158, 11, 0.4));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
            z-index: 1;
        }
        .solution-media img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .solution-media:hover img {
            transform: scale(1.02);
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--brand-deep);
            color: #fff;
            padding: 72px 0;
        }
        .stats-grid {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 160px;
            position: relative;
        }
        .stat-item + .stat-item::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 56px;
            background: rgba(255, 255, 255, 0.15);
        }
        .stat-ring {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            margin: 0 auto 16px;
        }
        .stat-ring::before {
            content: '';
            position: absolute;
            inset: 10px;
            border-radius: 50%;
            border: 1px solid rgba(245, 158, 11, 0.6);
        }
        .stat-ring .inner {
            z-index: 1;
        }
        .stat-num {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            background: linear-gradient(120deg, #FCD34D, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
        }

        /* ===== Testimonials ===== */
        .testimonial-section {
            background: var(--bg-paper);
        }
        .testimonial-grid {
            display: flex;
            gap: 24px;
            align-items: stretch;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            flex: 1;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .testimonial-card:nth-child(2) {
            transform: translateY(16px);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .testimonial-card:nth-child(2):hover {
            transform: translateY(12px);
        }
        .testimonial-stars {
            color: var(--accent);
            font-size: 0.875rem;
            margin-bottom: 16px;
        }
        .testimonial-text {
            color: var(--text-sub);
            font-size: 0.9375rem;
            line-height: 1.85;
            flex: 1;
            margin-bottom: 24px;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .testimonial-user .name {
            font-weight: 600;
            color: var(--text-ink);
            font-size: 0.9375rem;
        }
        .testimonial-user .role {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        /* ===== News Section ===== */
        .news-section {
            background: var(--bg-white);
        }
        .news-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .news-link-all {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand-dark);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: var(--transition);
        }
        .news-link-all:hover {
            gap: 12px;
            color: var(--brand);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            align-items: stretch;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-card:hover .news-title {
            color: var(--brand-dark);
        }
        .news-thumb {
            width: 160px;
            height: 100px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-teal);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-cat {
            font-size: 0.75rem;
            color: var(--accent-dark);
            background: rgba(245, 158, 11, 0.12);
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 8px;
            width: fit-content;
        }
        .news-title {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-ink);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .news-desc {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-top: auto;
        }
        .news-readmore {
            color: var(--brand-dark);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .news-card:hover .news-readmore {
            gap: 8px;
        }
        .news-empty {
            background: var(--bg-teal);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--brand);
            padding: 56px 32px;
            text-align: center;
            color: var(--brand-dark);
        }
        .news-empty i {
            font-size: 2.5rem;
            margin-bottom: 16px;
            display: block;
            opacity: 0.5;
        }
        .news-empty p {
            margin-bottom: 0;
            font-size: 1rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-paper);
        }
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-accordion .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            background: var(--bg-teal);
            border-color: rgba(13, 148, 136, 0.3) !important;
        }
        .faq-accordion .accordion-button {
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-ink);
            background: transparent;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-accordion .accordion-button::after {
            flex-shrink: 0;
            background-image: none;
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--brand-dark);
            transform: none;
            transition: var(--transition);
            font-family: sans-serif;
            line-height: 1;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--accent-dark);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(13, 148, 136, 0.15);
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 24px;
            color: var(--text-sub);
            font-size: 0.9375rem;
            line-height: 1.8;
            border-top: 1px solid rgba(231, 229, 228, 0.6);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--brand-grad);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: 80px;
            width: 300px;
            height: 300px;
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 15%;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 28px;
            transform: rotate(30deg);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cta-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-deep);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 64px;
        }
        .footer-top {
            padding-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .footer-brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            font-family: 'Noto Serif SC', serif;
        }
        .footer-brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            font-family: 'Noto Serif SC', serif;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent-grad);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .footer-contact li {
            display: flex;
            gap: 12px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact li i {
            color: var(--accent);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .hero-media img {
                min-height: 300px;
            }
        }
        @media (max-width: 991.98px) {
            .hero-section {
                padding: 56px 0 64px;
            }
            .hero-media {
                margin-top: 36px;
            }
            .solution-item {
                flex-direction: column-reverse !important;
                gap: 24px;
            }
            .solution-media {
                flex: 0 0 100%;
                width: 100%;
            }
            .solution-media img {
                height: 220px;
            }
            .testimonial-grid {
                flex-wrap: wrap;
            }
            .testimonial-card {
                flex: 0 0 48%;
                min-width: 280px;
            }
            .testimonial-card:nth-child(2) {
                transform: none;
            }
            .testimonial-card:nth-child(2):hover {
                transform: translateY(-4px);
            }
            .testimonial-card:last-child {
                flex: 1 1 100%;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .pain-card:nth-child(2) {
                transform: none;
            }
            .stats-grid {
                gap: 16px;
            }
            .stat-item {
                min-width: 130px;
            }
            .stat-ring {
                width: 112px;
                height: 112px;
            }
        }
        @media (max-width: 767.98px) {
            .header-brand-row {
                height: 64px;
            }
            .brand-row-inner {
                padding: 0 4px;
            }
            .btn-nav-cta {
                padding: 0.4rem 1rem;
                font-size: 0.8125rem;
            }
            .header-channel-row {
                height: 48px;
            }
            .channel-nav {
                padding: 4px 0;
            }
            .channel-link {
                padding: 6px 14px;
                font-size: 0.8125rem;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-grid {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stat-item + .stat-item::before {
                display: none;
            }
            .stat-ring {
                width: 100px;
                height: 100px;
            }
            .testimonial-card {
                min-width: 100%;
                flex: 1 1 100%;
            }
            .news-card {
                flex-direction: row;
                padding: 16px;
                gap: 14px;
            }
            .news-thumb {
                width: 96px;
                height: 96px;
                border-radius: 12px;
            }
            .news-title {
                font-size: 0.9375rem;
                -webkit-line-clamp: 2;
            }
            .news-desc {
                display: none;
            }
            .news-meta {
                flex-wrap: wrap;
                gap: 4px;
                font-size: 0.75rem;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-actions {
                width: 100%;
                justify-content: center;
            }
            .cta-actions .btn {
                flex: 1;
                min-width: 140px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-actions .btn {
                font-size: 0.9375rem;
            }
            .btn-nav-cta {
                width: 40px;
                height: 40px;
                padding: 0;
                border-radius: 50%;
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 0;
            }
            .btn-nav-cta::before {
                content: '\f4d8';
                font-family: 'Font Awesome 6 Free';
                font-weight: 900;
                font-size: 0.875rem;
            }
            .brand-logo-text {
                font-size: 1.15rem;
            }
            .brand-logo-text small {
                font-size: 0.5rem;
            }
            .news-thumb {
                width: 88px;
                height: 88px;
            }
            .news-meta .news-time {
                display: none;
            }
            .pain-card,
            .pain-card.pain-large,
            .pain-card.pain-small {
                padding: 24px 20px;
            }
            .solution-media img {
                height: 180px;
            }
        }

/* roulang page: article */
:root {
    --brand-primary: #0D9488;
    --brand-deep: #0F766E;
    --brand-darkest: #134E4A;
    --brand-gradient: linear-gradient(135deg, #0D9488, #0F766E);
    --accent-amber: #F59E0B;
    --accent-deep: #D97706;
    --accent-gradient: linear-gradient(120deg, #F59E0B, #EA580C);
    --bg-warm: #FAF9F7;
    --bg-teal-light: #F0FDFA;
    --bg-white: #FFFFFF;
    --text-ink: #1C1917;
    --text-secondary: #57534E;
    --text-light: #A8A29E;
    --border-color: #E7E5E4;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-card: 0 4px 20px rgba(15, 118, 110, 0.08);
    --shadow-hover: 0 12px 32px rgba(15, 118, 110, 0.16);
    --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg-warm);
    color: var(--text-ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--brand-deep); }
img { max-width: 100%; height: auto; }
.container { max-width: 1240px; padding-left: 24px; padding-right: 24px; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 0.875rem 2rem; border-radius: 999px;
    font-weight: 600; font-size: 1rem; border: 2px solid transparent;
    transition: var(--transition); cursor: pointer; line-height: 1.4;
}
.btn-brand-primary {
    background: var(--brand-gradient); color: #fff !important; border-color: transparent;
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.25);
}
.btn-brand-primary:hover {
    filter: brightness(1.05); transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(13, 148, 136, 0.32);
}
.btn-brand-primary:focus-visible { outline: 3px solid rgba(13, 148, 136, 0.25); outline-offset: 2px; }
.btn-outline-brand {
    background: transparent; color: var(--brand-primary); border-color: var(--brand-primary);
}
.btn-outline-brand:hover { background: var(--bg-teal-light); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.btn-accent {
    background: var(--accent-gradient); color: #fff !important; border-color: transparent;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.25);
}
.btn-accent:hover { filter: brightness(1.05); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(245, 158, 11, 0.35); }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.875rem; }

/* ===== Header ===== */
.site-header {
    position: sticky; top: 0; z-index: 1030;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(231, 229, 228, 0.6);
}
.header-brand-row { background: transparent; }
.brand-row-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.brand-logo {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none; color: var(--text-ink);
}
.brand-logo:hover { color: var(--text-ink); }
.brand-logo-icon {
    width: 40px; height: 40px; border-radius: 12px;
    background: var(--brand-gradient); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem; font-weight: 800;
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}
.brand-logo-text {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: 1.5rem; font-weight: 700; letter-spacing: 1px;
    line-height: 1.2;
}
.brand-logo-text small {
    display: block; font-size: 0.6rem; font-weight: 500;
    letter-spacing: 2px; color: var(--text-light);
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.brand-row-actions { display: flex; align-items: center; gap: 12px; }
.btn-search-round {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--border-color); background: var(--bg-warm);
    color: var(--text-secondary); display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.btn-search-round:hover { background: var(--bg-teal-light); color: var(--brand-primary); border-color: var(--brand-primary); }
.header-channel-row {
    border-top: 1px solid rgba(231, 229, 228, 0.6);
    background: rgba(255, 255, 255, 0.85);
}
.channel-nav {
    display: flex; gap: 8px; align-items: center;
    height: 56px; overflow-x: auto; scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-link {
    padding: 8px 18px; border-radius: 999px;
    font-size: 0.9375rem; font-weight: 500; color: var(--text-secondary);
    white-space: nowrap; transition: var(--transition);
    text-decoration: none;
}
.channel-link:hover { background: var(--bg-teal-light); color: var(--brand-primary); }
.channel-link.active {
    background: var(--brand-gradient); color: #fff;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
    font-weight: 600;
}
.btn-nav-cta { white-space: nowrap; }

/* ===== Breadcrumb ===== */
.breadcrumb-nav {
    background: var(--bg-warm);
    border-bottom: 1px solid rgba(231, 229, 228, 0.5);
    padding: 16px 0;
}
.breadcrumb-nav .breadcrumb { margin: 0; background: transparent; }
.breadcrumb-nav .breadcrumb-item { font-size: 0.875rem; color: var(--text-secondary); }
.breadcrumb-nav .breadcrumb-item a { color: var(--text-secondary); }
.breadcrumb-nav .breadcrumb-item a:hover { color: var(--brand-primary); }
.breadcrumb-nav .breadcrumb-item.active { color: var(--text-light); }
.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before { color: var(--text-light); content: "→"; }

/* ===== Article Page ===== */
.article-page { padding: 48px 0 72px; background: var(--bg-warm); }
.article-container { max-width: 960px; margin: 0 auto; }

.article-header { text-align: center; max-width: 820px; margin: 0 auto 32px; }
.article-category-badge {
    display: inline-block;
    padding: 6px 18px; border-radius: 999px;
    background: rgba(245, 158, 11, 0.12); color: var(--accent-deep);
    font-size: 0.8125rem; font-weight: 600; margin-bottom: 20px;
    transition: var(--transition);
}
.article-category-badge:hover { background: rgba(245, 158, 11, 0.22); color: var(--accent-deep); }
.article-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800; line-height: 1.3; color: var(--text-ink);
    margin-bottom: 16px; letter-spacing: -0.5px;
}
.article-meta {
    display: flex; align-items: center; justify-content: center;
    flex-wrap: wrap; gap: 20px; color: var(--text-light);
    font-size: 0.875rem;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--brand-primary); }

.article-cover {
    margin: 32px 0 40px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.article-cover img {
    width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
    display: block;
}

.article-content {
    max-width: 760px; margin: 0 auto;
    font-size: 1rem; line-height: 1.9; color: var(--text-ink);
}
.article-content p { margin-bottom: 1.5em; }
.article-content h2, .article-content h3 {
    border-left: 4px solid var(--brand-primary);
    padding-left: 16px;
    font-weight: 700;
    margin: 2em 0 0.8em;
    line-height: 1.35;
}
.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.25rem; }
.article-content blockquote {
    border-left: 4px solid var(--accent-amber);
    background: var(--bg-warm);
    padding: 16px 24px; margin: 24px 0;
    border-radius: 0 12px 12px 0;
    color: var(--text-secondary);
    font-style: italic;
}
.article-content img { border-radius: 12px; margin: 16px 0; }
.article-content ul, .article-content ol { padding-left: 1.5em; margin-bottom: 1.5em; }
.article-content li { margin-bottom: 0.5em; }
.article-content code {
    background: #F1F0EF; border-radius: 4px;
    padding: 2px 8px; font-size: 0.9em; color: var(--brand-deep);
}
.article-content pre {
    background: #F7F6F5; border-radius: 12px;
    padding: 20px; overflow-x: auto; margin: 24px 0;
    border: 1px solid var(--border-color);
}
.article-content pre code { background: transparent; padding: 0; }
.article-content table { width: 100%; margin: 24px 0; border-collapse: collapse; }
.article-content th, .article-content td { padding: 12px 16px; border: 1px solid var(--border-color); }
.article-content th { background: var(--bg-teal-light); font-weight: 600; }

.article-tags {
    max-width: 760px; margin: 48px auto 0;
    display: flex; flex-wrap: wrap; gap: 10px;
    justify-content: center;
}
.tag-pill {
    padding: 7px 18px; border-radius: 999px;
    background: var(--bg-teal-light); color: var(--brand-deep);
    font-size: 0.875rem; font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(13, 148, 136, 0.15);
}
.tag-pill:hover { background: var(--brand-primary); color: #fff; border-color: var(--brand-primary); }

.article-back {
    max-width: 760px; margin: 40px auto 0;
    display: flex; justify-content: center;
}
.article-back .btn { padding: 0.75rem 2rem; }

/* ===== Article Not Found ===== */
.article-not-found {
    max-width: 640px; margin: 80px auto; text-align: center;
    background: #fff; border-radius: 20px; padding: 56px 32px;
    box-shadow: var(--shadow-card); border: 1px solid var(--border-color);
}
.article-not-found h2 { font-size: 1.75rem; margin-bottom: 12px; color: var(--text-ink); }
.article-not-found p { color: var(--text-secondary); margin-bottom: 24px; }

/* ===== Related Section ===== */
.related-section {
    padding: 72px 0;
    background: var(--bg-teal-light);
}
.section-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 40px;
}
.section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700; margin: 0; color: var(--text-ink);
}
.section-head h2::after {
    content: ""; display: block; width: 48px; height: 4px;
    background: var(--accent-gradient); border-radius: 4px; margin-top: 8px;
}
.section-more { color: var(--brand-primary); font-weight: 600; font-size: 0.9375rem; }
.section-more:hover { color: var(--brand-deep); gap: 6px; }
.section-more i { transition: transform 0.25s ease; }
.section-more:hover i { transform: translateX(4px); }

.related-card {
    display: block; background: #fff; border-radius: 20px;
    overflow: hidden; text-decoration: none;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
}
.related-card img {
    width: 100%; height: 180px; object-fit: cover; display: block;
}
.related-card-body { padding: 20px 24px 24px; }
.related-badge {
    display: inline-block;
    padding: 4px 14px; border-radius: 999px;
    background: rgba(245, 158, 11, 0.12); color: var(--accent-deep);
    font-size: 0.75rem; font-weight: 600; margin-bottom: 10px;
}
.related-card h3 {
    font-size: 1.125rem; font-weight: 600; line-height: 1.45;
    color: var(--text-ink); margin-bottom: 12px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card:hover h3 { color: var(--brand-primary); }
.related-date {
    font-size: 0.8125rem; color: var(--text-light);
    display: flex; align-items: center; gap: 6px;
}

/* ===== Footer CTA ===== */
.footer-cta {
    background: var(--brand-gradient); border-radius: 24px;
    padding: 56px 48px; position: relative; overflow: hidden;
    display: flex; align-items: center; justify-content: space-between;
    gap: 32px; flex-wrap: wrap;
    box-shadow: 0 16px 40px rgba(13, 148, 136, 0.28);
}
.footer-cta::before {
    content: ""; position: absolute; right: -40px; top: -40px;
    width: 180px; height: 180px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
}
.footer-cta::after {
    content: ""; position: absolute; right: 40px; bottom: -60px;
    width: 120px; height: 120px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}
.footer-cta-content { position: relative; z-index: 1; }
.footer-cta-content h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-bottom: 8px; }
.footer-cta-content p { color: rgba(255, 255, 255, 0.85); margin: 0; max-width: 480px; }
.footer-cta-actions { position: relative; z-index: 1; display: flex; gap: 16px; flex-wrap: wrap; }
.footer-cta .btn-white {
    background: #fff; color: var(--brand-deep) !important; border-color: transparent;
    font-weight: 600;
}
.footer-cta .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); }
.footer-cta .btn-ghost-white {
    background: transparent; color: #fff !important; border-color: rgba(255, 255, 255, 0.6);
}
.footer-cta .btn-ghost-white:hover { background: rgba(255, 255, 255, 0.12); }

/* ===== Footer ===== */
.site-footer {
    background: var(--brand-darkest); color: rgba(255, 255, 255, 0.85);
    padding: 64px 0 0;
    margin-top: 72px;
}
.footer-top { padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand-icon {
    width: 36px; height: 36px; border-radius: 10px;
    background: var(--brand-gradient); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: "Noto Serif SC", serif; font-weight: 800; font-size: 1.1rem;
}
.footer-brand-text {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: 1.3rem; font-weight: 700; color: #fff;
}
.footer-desc { font-size: 0.875rem; color: rgba(255, 255, 255, 0.6); line-height: 1.7; margin-top: 8px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.1); color: rgba(255, 255, 255, 0.8);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.875rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--accent-gradient); color: #fff; transform: translateY(-3px); }
.footer-title {
    font-size: 1rem; color: #fff; font-weight: 600;
    margin-bottom: 18px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: rgba(255, 255, 255, 0.6); font-size: 0.875rem;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-amber); padding-left: 4px; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li {
    display: flex; align-items: center; gap: 10px;
    color: rgba(255, 255, 255, 0.6); font-size: 0.875rem;
    margin-bottom: 12px;
}
.footer-contact i { color: var(--accent-amber); width: 16px; text-align: center; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 20px 0;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
    font-size: 0.8125rem; color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom a:hover { color: var(--accent-amber); }

/* ===== CTA Section ===== */
.cta-section { padding: 72px 0 0; background: var(--bg-warm); }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .header-channel-row { overflow-x: hidden; }
    .footer-cta { padding: 40px 28px; text-align: center; }
    .footer-cta-actions { justify-content: center; }
}
@media (max-width: 767.98px) {
    .brand-logo-text { font-size: 1.25rem; }
    .brand-logo-text small { font-size: 0.5rem; }
    .btn-nav-cta { display: none; }
    .channel-nav { gap: 6px; height: 48px; }
    .channel-link { font-size: 0.85rem; padding: 6px 14px; }
    .article-page { padding: 32px 0 48px; }
    .article-meta { gap: 12px; }
    .article-title { font-size: 1.6rem; }
    .article-cover { margin: 24px 0 28px; }
    .related-section { padding: 48px 0; }
    .related-card img { height: 140px; }
    .footer-top { padding-bottom: 24px; }
}
@media (max-width: 575.98px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .brand-row-inner { height: 60px; }
    .channel-nav { height: 44px; }
    .article-content { font-size: 0.9375rem; }
    .article-content h2 { font-size: 1.25rem; }
    .article-content h3 { font-size: 1.1rem; }
    .footer-cta { padding: 32px 20px; }
    .footer-cta-actions .btn { width: 100%; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category2 */
:root {
            --brand-primary: #0D9488;
            --brand-deep: #0F766E;
            --brand-gradient: linear-gradient(135deg, #0D9488, #0F766E);
            --brand-dark: #134E4A;
            --accent-primary: #F59E0B;
            --accent-deep: #D97706;
            --accent-gradient: linear-gradient(120deg, #F59E0B, #EA580C);
            --bg-paper: #FAF9F7;
            --bg-teal-light: #F0FDFA;
            --bg-card: #FFFFFF;
            --text-primary: #1C1917;
            --text-secondary: #57534E;
            --text-light: #A8A29E;
            --border-color: #E7E5E4;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 12px 32px rgba(15, 118, 110, 0.16);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.18);
            --transition: all 0.25s ease;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-paper);
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }

        .header-brand-row {
            height: 72px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(231, 229, 228, 0.6);
        }

        .brand-row-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
        }

        .brand-logo-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.1;
            display: flex;
            flex-direction: column;
        }

        .brand-logo-text small {
            font-family: var(--font-sans);
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 1.5px;
            color: var(--text-light);
            margin-top: 2px;
        }

        .brand-row-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-search-round {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            background: var(--bg-paper);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-search-round:hover {
            background: var(--bg-teal-light);
            color: var(--brand-primary);
            border-color: var(--brand-primary);
        }

        .btn-nav-cta {
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            padding: 8px 22px;
            box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
        }

        .header-channel-row {
            height: 56px;
            display: flex;
            align-items: center;
        }

        .channel-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
            padding: 4px 0;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            border-radius: 999px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
            flex-shrink: 0;
        }
        .channel-link:hover {
            background: var(--bg-teal-light);
            color: var(--brand-primary);
            text-decoration: none;
        }
        .channel-link.active {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
            border-color: transparent;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            min-height: 260px;
            background: url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(19, 78, 74, 0.92) 0%, rgba(13, 148, 136, 0.76) 60%, rgba(13, 148, 136, 0.55) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .page-hero-content {
            max-width: 660px;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            padding: 6px 16px;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .page-hero p {
            color: rgba(255, 255, 255, 0.92);
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 560px;
        }

        .page-hero-meta {
            display: flex;
            gap: 14px;
            margin-top: 18px;
            flex-wrap: wrap;
        }

        .page-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
        }

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

        /* ===== Section Common ===== */
        .section {
            padding: clamp(56px, 8vw, 96px) 0;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        /* ===== Info Section ===== */
        .info-section {
            background: var(--bg-paper);
        }

        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .info-media {
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .info-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            display: block;
        }

        .info-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 70%, rgba(13, 148, 136, 0.25));
            border-radius: 24px;
            pointer-events: none;
        }

        .info-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 12px;
            padding: 12px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(4px);
        }

        .info-badge i {
            font-size: 22px;
            color: var(--brand-primary);
        }

        .info-badge strong {
            font-size: 15px;
            color: var(--text-primary);
        }

        .info-badge span {
            font-size: 12px;
            color: var(--text-secondary);
            display: block;
            line-height: 1.3;
        }

        .info-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            line-height: 1.3;
        }

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

        .info-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }

        .info-tag {
            background: var(--bg-teal-light);
            color: var(--brand-deep);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
        }

        /* ===== Direction Section ===== */
        .direction-section {
            background: var(--bg-teal-light);
            position: relative;
        }

        .direction-section::before {
            content: '';
            position: absolute;
            top: 40px;
            right: 0;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(13, 148, 136, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .direction-card-large {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 36px;
            padding: 32px;
            margin-bottom: 28px;
            transition: var(--transition);
            border: 1px solid rgba(231, 229, 228, 0.6);
        }

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

        .direction-media {
            flex: 0 0 320px;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 220px;
            background: var(--bg-teal-light);
        }

        .direction-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .direction-body {
            flex: 1;
        }

        .direction-body .direction-num {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1;
            margin-bottom: 10px;
            display: inline-block;
            border-bottom: 3px solid var(--accent-primary);
            padding-bottom: 6px;
        }

        .direction-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .direction-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .direction-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-primary);
        }
        .direction-btn:hover {
            color: var(--brand-deep);
            gap: 10px;
        }
        .direction-btn i {
            transition: var(--transition);
        }

        .direction-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .direction-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(231, 229, 228, 0.6);
            transition: var(--transition);
        }

        .direction-card:nth-child(2) {
            transform: translateY(16px);
        }

        .direction-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .direction-card:nth-child(2):hover {
            transform: translateY(12px);
        }

        .direction-card .direction-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--bg-teal-light);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .direction-card:hover .direction-icon {
            background: var(--brand-gradient);
            color: #fff;
        }

        .direction-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .direction-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .direction-card .direction-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
        }

        /* ===== Data Section ===== */
        .data-section {
            background: var(--brand-dark);
            position: relative;
            overflow: hidden;
        }

        .data-section::before {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .data-section::after {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border: 2px solid rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .data-item {
            text-align: center;
            padding: 20px 10px;
        }

        .data-ring {
            width: 132px;
            height: 132px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
        }

        .data-ring::before {
            content: '';
            position: absolute;
            inset: 8px;
            border-radius: 50%;
            border: 1px solid rgba(245, 158, 11, 0.55);
        }

        .data-ring-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .data-ring-inner strong {
            display: block;
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1.1;
            font-family: var(--font-serif);
        }

        .data-ring-inner span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
            display: block;
            margin-top: 4px;
            letter-spacing: 1px;
        }

        .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            margin-top: 6px;
        }

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

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item .accordion-button {
            background: var(--bg-card);
            border: none;
            box-shadow: none;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            text-align: left;
            cursor: pointer;
            position: relative;
        }

        .faq-item .accordion-button::after {
            display: none;
        }

        .faq-item .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-teal-light);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: var(--transition);
            position: relative;
        }

        .faq-item .accordion-button:not(.collapsed) {
            background: var(--bg-teal-light);
            color: var(--brand-deep);
        }

        .faq-item .accordion-button:not(.collapsed) .faq-icon {
            background: var(--brand-gradient);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .accordion-button:focus {
            outline: 3px solid rgba(13, 148, 136, 0.2);
            box-shadow: none;
        }

        .faq-item .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            background: var(--bg-teal-light);
            border-radius: 0 0 16px 16px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #0D9488, #0F766E);
            border-radius: 28px;
            margin: 0 24px;
            position: relative;
            overflow: hidden;
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border: 2px solid rgba(255, 255, 255, 0.12);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 120px;
            height: 120px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            flex: 1;
        }

        .cta-content h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        .btn-accent-cta {
            background: linear-gradient(120deg, #F59E0B, #EA580C);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
        }
        .btn-accent-cta:hover {
            color: #fff;
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-light-cta {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light-cta:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.85);
            margin-top: 80px;
        }

        .site-footer .container {
            padding-top: 64px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-brand-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 22px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent-gradient);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .footer-contact i {
            width: 20px;
            text-align: center;
            color: var(--accent-primary);
            font-size: 13px;
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 24px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent-primary);
        }

        /* ===== Buttons ===== */
        .btn-brand-primary {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            border-radius: 999px;
            font-weight: 600;
            padding: 10px 24px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-brand-primary:hover {
            color: #fff;
            filter: brightness(1.05);
            box-shadow: 0 8px 20px rgba(13, 148, 136, 0.35);
            transform: translateY(-2px);
        }
        .btn-brand-primary:focus {
            outline: 3px solid rgba(13, 148, 136, 0.25);
            box-shadow: none;
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .info-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .info-media img {
                min-height: 240px;
            }
            .direction-card-large {
                flex-direction: column;
                gap: 20px;
                padding: 24px;
            }
            .direction-media {
                flex: none;
                width: 100%;
                height: 200px;
            }
            .direction-row {
                grid-template-columns: 1fr;
            }
            .direction-card:nth-child(2) {
                transform: none;
            }
            .direction-card:nth-child(2):hover {
                transform: translateY(-4px);
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .cta-section {
                flex-direction: column;
                text-align: center;
                padding: 40px 28px;
            }
            .cta-actions {
                justify-content: center;
            }
            .page-hero {
                min-height: 220px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                position: sticky;
            }
            .header-brand-row {
                height: 64px;
            }
            .brand-logo-text {
                font-size: 18px;
            }
            .brand-logo-text small {
                font-size: 9px;
            }
            .btn-nav-cta {
                padding: 6px 16px;
                font-size: 13px;
            }
            .header-channel-row {
                height: 52px;
            }
            .channel-link {
                font-size: 14px;
                padding: 6px 14px;
            }
            .page-hero {
                min-height: 200px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero p {
                font-size: 14px;
            }
            .section {
                padding: 48px 0;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-ring {
                width: 112px;
                height: 112px;
            }
            .cta-section {
                margin: 0 16px;
                padding: 32px 20px;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .site-footer .container {
                padding-top: 48px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 18px;
                border-radius: 10px;
            }
            .brand-logo-text {
                font-size: 16px;
            }
            .brand-logo-text small {
                font-size: 8px;
            }
            .btn-search-round {
                width: 36px;
                height: 36px;
            }
            .btn-nav-cta {
                display: none;
            }
            .channel-link {
                font-size: 13px;
                padding: 5px 12px;
            }
            .page-hero p {
                font-size: 13px;
            }
            .page-hero-meta span {
                font-size: 12px;
            }
            .info-badge {
                padding: 10px 14px;
                bottom: 12px;
                left: 12px;
            }
            .info-badge strong {
                font-size: 14px;
            }
            .direction-card-large {
                padding: 18px;
            }
            .direction-body h3 {
                font-size: 18px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-ring {
                width: 100px;
                height: 100px;
            }
            .data-ring-inner strong {
                font-size: 1.5rem;
            }
            .faq-item .accordion-button {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-item .accordion-body {
                padding: 0 18px 16px;
                font-size: 14px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        .info-section+.section {
            border-top: 1px solid var(--border-color);
        }

/* roulang page: category1 */
:root {
            --brand-primary: #0D9488;
            --brand-dark: #0F766E;
            --brand-deep: #134E4A;
            --brand-gradient: linear-gradient(135deg, #0D9488, #0F766E);
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --accent-gradient: linear-gradient(120deg, #F59E0B, #EA580C);
            --bg-paper: #FAF9F7;
            --bg-teal: #F0FDFA;
            --bg-white: #FFFFFF;
            --text-main: #1C1917;
            --text-sub: #57534E;
            --text-light: #A8A29E;
            --border: #E7E5E4;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 12px 32px rgba(15, 118, 110, 0.16);
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            color: var(--text-main);
            background: var(--bg-white);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }

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

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

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(13, 148, 136, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: 1240px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: clamp(56px, 8vw, 96px) 0;
        }

        .section-head {
            text-align: center;
            max-width: 660px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 3vw, 2.125rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .bg-paper {
            background: var(--bg-paper);
        }

        .bg-teal {
            background: var(--bg-teal);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            font-weight: 600;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-brand-primary {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            padding: 0.875rem 2.25rem;
            box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
        }

        .btn-brand-primary:hover,
        .btn-brand-primary:focus {
            background: linear-gradient(135deg, #12A99B, #0D9488);
            color: #fff;
            box-shadow: 0 8px 24px rgba(13, 148, 136, 0.32);
            transform: translateY(-2px);
        }

        .btn-outline-brand {
            background: transparent;
            border: 1px solid var(--brand-primary);
            color: var(--brand-primary);
            padding: 0.875rem 2.25rem;
        }

        .btn-outline-brand:hover,
        .btn-outline-brand:focus {
            background: var(--bg-teal);
            color: var(--brand-dark);
            border-color: var(--brand-dark);
        }

        .btn-accent {
            background: var(--accent-gradient);
            color: #fff;
            border: none;
            padding: 0.875rem 2rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            filter: brightness(1.05);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.45);
        }

        .btn-outline-white {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            padding: 0.875rem 2rem;
        }

        .btn-outline-white:hover,
        .btn-outline-white:focus {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            border-color: #fff;
        }

        .btn-sm {
            padding: 0.4rem 1.2rem;
            font-size: 0.875rem;
        }

        .btn-nav-cta {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border-bottom-color: var(--border);
        }

        .header-brand-row {
            height: 72px;
            display: flex;
            align-items: center;
        }

        .brand-row-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.28);
        }

        .brand-logo-text {
            font-size: 21px;
            font-weight: 800;
            font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
            color: var(--text-main);
            line-height: 1.2;
        }

        .brand-logo-text small {
            display: block;
            font-size: 9px;
            letter-spacing: 2.5px;
            color: var(--text-light);
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 600;
        }

        .brand-row-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-search-round {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--bg-paper);
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .btn-search-round:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--bg-teal);
        }

        .header-channel-row {
            background: #fff;
            border-top: 1px solid rgba(231, 229, 228, 0.8);
        }

        .channel-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 8px 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-link {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 15px;
            color: var(--text-sub);
            background: transparent;
            border: 1px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            transition: var(--transition);
        }

        .channel-link:hover {
            background: var(--bg-teal);
            color: var(--brand-dark);
        }

        .channel-link.active {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            padding: 48px 0 60px;
            background:
                linear-gradient(135deg, rgba(13, 148, 136, 0.94), rgba(19, 78, 74, 0.9)),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
        }

        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }

        .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
        }

        .breadcrumb-wrap a:hover {
            color: #fff;
            text-decoration: underline;
        }

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

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 18px;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            position: relative;
            flex-shrink: 0;
        }

        .live-dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            animation: livePulse 1.6s ease-in-out infinite;
        }

        @keyframes livePulse {
            0% {
                transform: scale(0.6);
                opacity: 0.9;
            }
            70% {
                transform: scale(1.4);
                opacity: 0;
            }
            100% {
                transform: scale(1.4);
                opacity: 0;
            }
        }

        .category-hero h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            font-weight: 800;
            font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .hero-subtitle {
            font-size: 1.0625rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .notice-strip {
            background: var(--bg-teal);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
            font-size: 0.875rem;
            color: var(--text-sub);
        }

        .notice-strip .container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .notice-strip i {
            color: var(--brand-primary);
        }

        /* ========== Direction Cards ========== */
        .direction-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .direction-card::after {
            content: '';
            position: absolute;
            right: -30px;
            bottom: -30px;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(13, 148, 136, 0.04);
            transition: var(--transition);
        }

        .direction-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(13, 148, 136, 0.35);
        }

        .direction-card:hover::after {
            transform: scale(1.4);
            background: rgba(13, 148, 136, 0.08);
        }

        .direction-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--bg-teal);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .direction-card:hover .direction-icon {
            background: var(--brand-gradient);
            color: #fff;
            transform: scale(1.04);
        }

        .direction-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .direction-card p {
            color: var(--text-sub);
            line-height: 1.7;
            font-size: 0.9375rem;
            margin-bottom: 16px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-primary);
            font-weight: 600;
            font-size: 0.875rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .text-link i {
            transition: transform 0.25s ease;
        }

        .text-link:hover {
            color: var(--brand-dark);
        }

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

        /* ========== Feature / Image Text ========== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 56px;
        }

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-media {
            flex: 1 1 48%;
            border-radius: 24px;
            padding: 4px;
            background: linear-gradient(135deg, rgba(13, 148, 136, 0.35), rgba(245, 158, 11, 0.25));
        }

        .feature-media img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: 20px;
            display: block;
        }

        .feature-content {
            flex: 1 1 52%;
        }

        .feature-tag {
            display: inline-block;
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .feature-content h2 {
            font-size: clamp(1.375rem, 2.5vw, 1.875rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .feature-content p {
            color: var(--text-sub);
            line-height: 1.85;
            margin-bottom: 18px;
            font-size: 0.975rem;
        }

        .feature-content .btn {
            margin-top: 6px;
        }

        /* ========== Audience Cards ========== */
        .audience-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 32px 24px;
            height: 100%;
            position: relative;
            transition: var(--transition);
        }

        .audience-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(13, 148, 136, 0.3);
        }

        .audience-num {
            display: block;
            font-size: 0.8125rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: rgba(13, 148, 136, 0.45);
            margin-bottom: 18px;
        }

        .audience-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .audience-card p {
            color: var(--text-sub);
            line-height: 1.75;
            font-size: 0.9375rem;
            margin-bottom: 0;
        }

        /* ========== FAQ Accordion ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
        }

        .faq-accordion .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: #fff;
            padding: 20px 56px 20px 24px;
            box-shadow: none;
            border: none;
            transition: var(--transition);
        }

        .faq-accordion .accordion-button:hover {
            background: var(--bg-paper);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-teal);
            color: var(--brand-dark);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.18);
            border-color: var(--brand-primary);
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '+';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            margin-left: auto;
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--brand-primary);
            border: 1px solid var(--border);
            border-radius: 50%;
            background-color: #fff;
            transform: rotate(45deg);
            transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
            flex-shrink: 0;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(0deg);
            background-color: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #fff;
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-sub);
            line-height: 1.8;
            font-size: 0.9375rem;
            background: #fff;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-paper);
        }

        .cta-card {
            background:
                linear-gradient(115deg, var(--brand-deep) 0%, var(--brand-dark) 40%, var(--brand-primary) 100%);
            border-radius: 24px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            color: #fff;
            box-shadow: 0 10px 30px rgba(15, 118, 110, 0.22);
            position: relative;
            overflow: hidden;
        }

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

        .cta-card::after {
            content: '';
            position: absolute;
            left: 20%;
            bottom: -100px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-content h2 {
            font-size: clamp(1.375rem, 2.5vw, 1.875rem);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-content p {
            font-size: 0.9375rem;
            opacity: 0.9;
            margin-bottom: 0;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--brand-deep);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 64px;
        }

        .footer-top {
            padding-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .footer-brand-text {
            font-size: 20px;
            font-weight: 800;
            font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
            color: #fff;
        }

        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.75;
            opacity: 0.7;
            margin-bottom: 20px;
            max-width: 330px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent-gradient);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.72);
            text-decoration: none;
            font-size: 0.875rem;
            transition: var(--transition);
        }

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

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.875rem;
            opacity: 0.75;
        }

        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8125rem;
            opacity: 0.65;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .feature-row {
                flex-direction: column;
                gap: 32px;
            }

            .feature-row.reverse {
                flex-direction: column;
            }

            .feature-media img {
                height: 300px;
            }

            .cta-card {
                flex-direction: column;
                padding: 36px 28px;
                text-align: center;
            }

            .cta-content p {
                max-width: 520px;
                margin-left: auto;
                margin-right: auto;
            }

            .cta-actions {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 767.98px) {
            .header-brand-row {
                height: 64px;
            }

            .brand-logo-text {
                font-size: 18px;
            }

            .brand-logo-text small {
                font-size: 8px;
                letter-spacing: 1.5px;
            }

            .brand-logo-icon {
                width: 38px;
                height: 38px;
                font-size: 19px;
            }

            .channel-link {
                font-size: 14px;
                padding: 7px 14px;
            }

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

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

            .feature-media img {
                height: 220px;
            }

            .direction-card,
            .audience-card {
                padding: 24px 20px;
            }

            .footer-top {
                padding-bottom: 16px;
            }
        }

        @media (max-width: 575.98px) {
            body {
                font-size: 0.9375rem;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .btn-search-round {
                width: 36px;
                height: 36px;
            }

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

            .cta-actions .btn {
                width: 100%;
            }

            .category-hero {
                padding: 36px 0 44px;
            }

            .feature-media img {
                height: 180px;
            }

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

/* roulang page: category3 */
:root {
            --brand: #0D9488;
            --brand-dark: #0F766E;
            --brand-deep: #134E4A;
            --brand-gradient: linear-gradient(135deg, #0D9488, #0F766E);
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --accent-gradient: linear-gradient(120deg, #F59E0B, #EA580C);
            --bg-paper: #FAF9F7;
            --bg-mint: #F0FDFA;
            --bg-white: #FFFFFF;
            --text-dark: #1C1917;
            --text-body: #57534E;
            --text-light: #A8A29E;
            --border: #E7E5E4;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 12px 32px rgba(15, 118, 110, 0.16);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-paper);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1240px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            border-radius: 999px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            line-height: 1.2;
        }

        .btn-brand-primary {
            background: var(--brand-gradient);
            color: #fff;
            padding: 0.875rem 2.25rem;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.22);
        }

        .btn-brand-primary:hover,
        .btn-brand-primary:focus {
            color: #fff;
            filter: brightness(1.06);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(13, 148, 136, 0.3);
        }

        .btn-brand-outline {
            background: transparent;
            color: var(--brand);
            border: 1px solid var(--brand);
            padding: 0.75rem 2rem;
            font-size: 0.95rem;
        }

        .btn-brand-outline:hover {
            background: var(--bg-mint);
            color: var(--brand-dark);
            border-color: var(--brand-dark);
        }

        .btn-accent {
            background: var(--accent-gradient);
            color: #fff;
            padding: 0.875rem 2.25rem;
            font-size: 1rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }

        .btn-accent:hover {
            color: #fff;
            filter: brightness(1.06);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(245, 158, 11, 0.36);
        }

        .btn-white-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.75);
            padding: 0.875rem 2.25rem;
            font-size: 1rem;
        }

        .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            border-color: #fff;
        }

        .btn:focus,
        .btn-brand-primary:focus,
        .btn-brand-outline:focus {
            outline: 3px solid rgba(13, 148, 136, 0.25);
            box-shadow: none;
        }

        .btn-accent:focus {
            outline: 3px solid rgba(245, 158, 11, 0.3);
            box-shadow: none;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .header-brand-row {
            height: 72px;
            display: flex;
            align-items: center;
        }

        .brand-row-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
        }

        .brand-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.1;
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            display: flex;
            flex-direction: column;
        }

        .brand-logo-text small {
            font-size: 10px;
            letter-spacing: 2px;
            color: var(--text-light);
            font-family: "PingFang SC", sans-serif;
            font-weight: 500;
            line-height: 1.4;
        }

        .brand-row-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-search-round {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .btn-search-round:hover {
            background: var(--bg-mint);
            color: var(--brand);
            border-color: var(--brand);
        }

        .btn-nav-cta {
            padding: 0.5rem 1.25rem;
            font-size: 0.9rem;
        }

        .header-channel-row {
            height: 56px;
            border-top: 1px solid rgba(231, 229, 228, 0.7);
            display: flex;
            align-items: center;
        }

        .channel-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            align-items: center;
            padding-bottom: 2px;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            color: var(--text-body);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid transparent;
            text-decoration: none;
            transition: var(--transition);
        }

        .channel-link:hover {
            background: var(--bg-mint);
            color: var(--brand-dark);
        }

        .channel-link.active {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.28);
            font-weight: 600;
        }

        .category-hero {
            position: relative;
            min-height: 240px;
            display: flex;
            align-items: center;
            background:
                linear-gradient(135deg, rgba(13, 148, 136, 0.92), rgba(19, 78, 74, 0.94)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 60px 0;
        }

        .category-hero .breadcrumb-custom {
            margin-bottom: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .category-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.75);
        }

        .category-hero .breadcrumb-custom a:hover {
            color: #fff;
        }

        .category-hero .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.5);
        }

        .category-hero .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .category-hero h1 {
            font-size: clamp(1.75rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
            color: #fff;
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
        }

        .category-hero h1 .ak {
            color: #FCD34D;
        }

        .category-hero .hero-desc {
            max-width: 680px;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.8;
            margin-bottom: 24px;
        }

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

        .section-pad {
            padding: clamp(56px, 8vw, 96px) 0;
        }

        .section-title-wrap {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title-wrap .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            background: var(--bg-mint);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title-wrap h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-title-wrap p {
            max-width: 620px;
            margin: 0 auto;
            color: var(--text-body);
            font-size: 0.95rem;
        }

        .feature-row {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            padding: 0;
        }

        .feature-row .feature-img-wrap {
            position: relative;
            height: 100%;
            min-height: 300px;
        }

        .feature-row .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        .feature-row .feature-img-wrap .img-badge {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(19, 78, 74, 0.85);
            color: #fff;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .feature-row .feature-body {
            padding: clamp(28px, 5vw, 48px);
        }

        .feature-row .feature-body h2 {
            font-size: clamp(1.35rem, 2.5vw, 1.9rem);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .feature-row .feature-body h2::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 22px;
            border-radius: 2px;
            background: var(--brand-gradient);
            margin-right: 12px;
            vertical-align: -3px;
        }

        .feature-row .feature-body p {
            margin-bottom: 16px;
            color: var(--text-body);
            line-height: 1.85;
        }

        .feature-row .feature-body p strong {
            color: var(--brand-dark);
        }

        .feature-row .feature-body .feature-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
            padding-top: 18px;
            border-top: 1px dashed var(--border);
        }

        .feature-row .feature-body .feature-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-light);
        }

        .feature-row .feature-body .feature-meta i {
            color: var(--brand);
        }

        .types-section {
            background: var(--bg-mint);
        }

        .type-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .type-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(13, 148, 136, 0.25);
        }

        .type-card .type-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--bg-mint);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand);
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .type-card:hover .type-icon {
            background: var(--brand-gradient);
            color: #fff;
        }

        .type-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .type-card p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 0;
        }

        .process-section {
            background: var(--bg-white);
        }

        .process-list {
            max-width: 820px;
            margin: 0 auto;
            position: relative;
        }

        .process-list::before {
            content: '';
            position: absolute;
            left: 38px;
            top: 40px;
            bottom: 40px;
            width: 2px;
            background: linear-gradient(to bottom, var(--brand), var(--accent));
            border-radius: 2px;
            opacity: 0.25;
        }

        .process-step {
            position: relative;
            display: flex;
            gap: 28px;
            padding: 24px 0;
            align-items: flex-start;
        }

        .process-step .step-num {
            width: 76px;
            height: 76px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 8px 20px rgba(13, 148, 136, 0.24);
            font-family: "Noto Serif SC", serif;
        }

        .process-step .step-content {
            padding-top: 6px;
        }

        .process-step .step-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .process-step .step-content p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 0;
            max-width: 560px;
        }

        .stats-section {
            background: var(--brand-deep);
            padding: clamp(56px, 8vw, 88px) 0;
            color: #fff;
            background-image: url('/assets/images/backpic/back-2.png');
            background-position: center;
            background-size: cover;
            background-blend-mode: overlay;
        }

        .stats-section .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stats-section .stat-circle {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .stats-section .stat-circle::before {
            content: '';
            position: absolute;
            inset: 8px;
            border-radius: 50%;
            border: 1px solid rgba(245, 158, 11, 0.6);
        }

        .stats-section .stat-num {
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 800;
            background: linear-gradient(120deg, #FCD34D, #F59E0B);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }

        .stats-section .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        .faq-section {
            background: var(--bg-paper);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-wrap .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(13, 148, 136, 0.3);
            box-shadow: 0 4px 16px rgba(15, 118, 110, 0.08);
        }

        .faq-wrap .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            padding: 24px 28px;
            background: var(--bg-white);
            box-shadow: none;
            border: none;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
        }

        .faq-wrap .accordion-button::after {
            background: none;
            content: '+';
            font-size: 24px;
            font-weight: 400;
            color: var(--brand);
            width: auto;
            height: auto;
            line-height: 1;
            transition: transform 0.3s ease;
            margin-left: auto;
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: var(--bg-mint);
            color: var(--brand-dark);
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(13, 148, 136, 0.18);
        }

        .faq-wrap .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.8;
            background: var(--bg-mint);
        }

        .cta-section {
            background: var(--brand-gradient);
            padding: clamp(64px, 8vw, 96px) 0;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.12);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            right: 20px;
            bottom: -60px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.08);
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 32px;
        }

        .cta-section .cta-text h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.3;
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
        }

        .cta-section .cta-text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            max-width: 520px;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .site-footer {
            background: var(--brand-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .site-footer .footer-top {
            padding-bottom: 40px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .site-footer .footer-brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: "Noto Serif SC", serif;
        }

        .site-footer .footer-brand-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            font-family: "Noto Serif SC", serif;
        }

        .site-footer .footer-desc {
            font-size: 0.92rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            max-width: 340px;
        }

        .site-footer .footer-social {
            display: flex;
            gap: 10px;
        }

        .site-footer .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            transition: var(--transition);
        }

        .site-footer .footer-social a:hover {
            background: var(--accent-gradient);
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .site-footer .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .site-footer .footer-contact li i {
            width: 20px;
            color: var(--accent);
            text-align: center;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

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

        .site-footer .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            width: 100%;
        }

        .site-footer .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 1199.98px) {
            .stats-section .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 991.98px) {
            .header-channel-row {
                height: auto;
                padding: 8px 0;
            }
            .category-hero {
                min-height: 220px;
                padding: 48px 0;
            }
            .feature-row .feature-img-wrap {
                min-height: 240px;
            }
            .feature-row .feature-img-wrap img {
                min-height: 240px;
            }
            .process-list::before {
                left: 36px;
            }
            .cta-section .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-section .cta-text p {
                margin: 0 auto;
            }
        }

        @media (max-width: 767.98px) {
            .header-brand-row {
                height: 64px;
            }
            .brand-logo-text {
                font-size: 19px;
            }
            .brand-logo-text small {
                font-size: 9px;
            }
            .channel-link {
                font-size: 14px;
                padding: 7px 14px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .category-hero .hero-actions .btn {
                width: 100%;
            }
            .type-card {
                padding: 22px 20px;
            }
            .process-step {
                gap: 20px;
            }
            .process-step .step-num {
                width: 64px;
                height: 64px;
                font-size: 1.2rem;
                border-radius: 16px;
            }
            .process-list::before {
                left: 31px;
            }
            .stats-section .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }
            .stats-section .stat-circle {
                width: 116px;
                height: 116px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            body {
                font-size: 0.95rem;
            }
            .section-title-wrap h2 {
                font-size: 1.45rem;
            }
            .btn-brand-primary,
            .btn-accent {
                width: 100%;
            }
            .category-hero {
                padding: 40px 0;
                min-height: 200px;
            }
            .category-hero .eyebrow {
                font-size: 12px;
                padding: 5px 12px;
            }
            .feature-row .feature-body {
                padding: 24px 20px;
            }
            .feature-row .feature-body h2 {
                font-size: 1.3rem;
            }
            .process-step {
                flex-direction: row;
                gap: 16px;
            }
            .process-step .step-num {
                width: 54px;
                height: 54px;
            }
            .process-list::before {
                left: 26px;
            }
            .faq-wrap .accordion-button {
                padding: 18px 20px;
                font-size: 0.95rem;
            }
            .faq-wrap .accordion-body {
                padding: 0 20px 18px;
            }
        }