/* roulang page: index */
:root {
            --primary: #0F766E;
            --primary-hover: #115E59;
            --accent: #F59E0B;
            --accent-hover: #D97706;
            --deep: #134E4A;
            --deep-dark: #0B3B38;
            --bg: #F6F8F7;
            --text: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 24px -8px rgba(15,118,110,0.15);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: "PingFang SC", "HarmonicOS Sans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .nav-chip {
            background: #F1F5F9;
            border-radius: 9999px;
            padding: 4px;
            display: flex;
            gap: 2px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-chip::-webkit-scrollbar {
            display: none;
        }
        .nav-chip a {
            padding: 8px 20px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-chip a:hover {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
        }
        .nav-chip a.active {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .btn-accent {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #fff;
            font-weight: 700;
            border-radius: 12px;
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
        }
        .btn-accent:hover {
            filter: brightness(1.05);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.2);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(15, 118, 110, 0.05);
        }
        .btn-white-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            border-radius: 12px;
            padding: 14px 28px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }
        .section-padding {
            padding: 96px 0;
        }
        .screenshot-track {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 20px 4px;
            scrollbar-width: none;
            scroll-behavior: smooth;
        }
        .screenshot-track::-webkit-scrollbar {
            display: none;
        }
        .screenshot-card {
            flex: 0 0 280px;
            height: 460px;
            scroll-snap-align: start;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: #fff;
            overflow: hidden;
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .screenshot-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 32px -12px rgba(15, 118, 110, 0.18);
        }
        .screenshot-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .screenshot-card .label {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 48px 20px 16px;
            background: linear-gradient(to top, rgba(2, 44, 42, 0.85) 0%, transparent 100%);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            text-align: center;
        }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
        .faq-item.active {
            border-color: rgba(15, 118, 110, 0.4);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: rgba(15, 118, 110, 0.03);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(15, 118, 110, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .news-item {
            transition: all 0.2s ease;
            border-radius: 12px;
            padding: 16px;
        }
        .news-item:hover {
            background: rgba(15, 118, 110, 0.04);
        }
        .news-item:hover .news-thumb {
            transform: scale(1.05);
        }
        .news-thumb {
            transition: transform 0.3s ease;
        }
        .arrow-link {
            transition: transform 0.2s ease;
            display: inline-block;
        }
        .news-item:hover .arrow-link {
            transform: translateX(4px);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #0F766E 0%, #134E4A 55%, #0B3B38 100%);
            position: relative;
        }
        .hero-gradient::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 1;
        }
        .hero-gradient>* {
            position: relative;
            z-index: 2;
        }
        .card-hover {
            transition: all 0.25s ease;
        }
        .card-hover:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all 0.25s ease;
        }
        .feature-card:hover .icon-box {
            background: linear-gradient(135deg, #0F766E, #134E4A);
            color: #fff;
        }
        .stat-number {
            font-family: "Inter", "Roboto", sans-serif;
            font-variant-numeric: tabular-nums;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 11px;
            font-weight: 600;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
        }
        .scroll-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            color: var(--primary);
            font-size: 14px;
        }
        .scroll-btn:hover {
            background: rgba(15, 118, 110, 0.06);
            border-color: var(--primary);
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-animate {
            animation: fadeInUp 0.6s ease forwards;
        }
        .news-empty {
            border: 2px dashed #CBD5E1;
            border-radius: 16px;
            padding: 48px;
            text-align: center;
            background: #F9FAFB;
        }
        .news-empty i {
            font-size: 40px;
            color: #94A3B8;
            margin-bottom: 16px;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.2s ease;
            font-size: 14px;
            display: block;
            padding: 4px 0;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-title {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .social-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.2s ease;
            font-size: 14px;
        }
        .social-icon:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .faq-section {
            max-width: 768px;
            margin: 0 auto;
        }
        .section-title-wrap {
            margin-bottom: 48px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 12px;
        }
        .cta-banner {
            background: linear-gradient(120deg, #0F766E 0%, #134E4A 60%, #0B3B38 100%);
            border-radius: 24px;
            position: relative;
            overflow: hidden;
            padding: 56px 48px;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.15);
            top: -80px;
            right: -60px;
            transform: rotate(12deg);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            bottom: -30px;
            left: 30%;
        }
        .cta-banner .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .container-site {
                padding: 0 16px;
            }
            .section-padding {
                padding: 64px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-banner {
                padding: 36px 24px;
            }
            .cta-banner .cta-content {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 1024px) {
            .nav-chip {
                order: 3;
                width: 100%;
                margin-top: 8px;
                justify-content: flex-start;
            }
            .site-header .container-site {
                flex-wrap: wrap;
                padding-top: 8px;
                padding-bottom: 8px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-darker: #134E4A;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #F6F8F7;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 24px -8px rgba(15, 118, 110, 0.15);
            --font-family: "PingFang SC", "HarmonicOS Sans", "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-family);
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

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

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        @media(min-width:768px) {
            .container-site {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.85);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }

        .nav-chip {
            display: flex;
            align-items: center;
            gap: 4px;
            background: #F1F5F9;
            border-radius: 999px;
            padding: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-chip a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: #334155;
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .nav-chip a:hover {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
        }

        .nav-chip a.active {
            background: #ffffff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(15, 118, 110, 0.12);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 12px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
        }

        .btn-accent:hover {
            filter: brightness(1.05);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(217, 119, 6, 0.3);
        }

        .btn-accent:active {
            transform: scale(0.98);
            box-shadow: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 12px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(15, 118, 110, 0.25);
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 12px;
            transition: all 0.2s ease;
        }

        .btn-ghost-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .category-hero {
            position: relative;
            margin-top: 64px;
            padding: 72px 0 80px;
            background: linear-gradient(135deg, #0F766E 0%, #134E4A 55%, #0B3B38 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: 1;
        }

        .category-hero .container-site {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #4ADE80;
            display: inline-block;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 2px;
            margin-bottom: 16px;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .category-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section {
            padding: 72px 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            background: rgba(15, 118, 110, 0.08);
            border-radius: 999px;
            padding: 5px 14px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 560px;
        }

        .intro-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid #E8EDEB;
            box-shadow: var(--shadow-card);
        }

        .intro-list {
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }

        .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }

        .intro-list li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 14px;
        }

        .topic-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid #E2E8F0;
            overflow: hidden;
            transition: all 0.25s ease;
            display: block;
            position: relative;
        }

        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #14B8A6);
            opacity: 0;
            transition: opacity 0.25s ease;
            z-index: 2;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.3);
        }

        .topic-card:hover::before {
            opacity: 1;
        }

        .topic-card .topic-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }

        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 59, 56, 0.1) 0%, rgba(11, 59, 56, 0.5) 100%);
        }

        .topic-card .topic-icon {
            position: absolute;
            bottom: 16px;
            left: 20px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.92);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
            z-index: 1;
        }

        .topic-card .topic-body {
            padding: 24px;
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .topic-card .topic-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }

        .topic-card:hover .topic-link {
            gap: 10px;
        }

        .deep-stats {
            background: linear-gradient(135deg, #0B3B38 0%, #134E4A 100%);
            position: relative;
            overflow: hidden;
        }

        .deep-stats::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }

        .deep-stats::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.06);
        }

        .stat-item {
            text-align: center;
            padding: 32px 16px;
            position: relative;
            z-index: 1;
        }

        .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
            margin-bottom: 6px;
        }

        .stat-num em {
            font-style: normal;
            color: #FBBF24;
        }

        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 1px;
        }

        .news-list {
            display: grid;
            gap: 0;
            background: #fff;
            border-radius: 20px;
            border: 1px solid #E2E8F0;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .news-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            align-items: center;
            border-bottom: 1px solid #F1F5F9;
            transition: background 0.2s ease;
        }

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

        .news-list-item:hover {
            background: rgba(15, 118, 110, 0.04);
        }

        .news-thumb {
            width: 96px;
            height: 96px;
            border-radius: 14px;
            object-fit: cover;
            flex-shrink: 0;
            transition: transform 0.25s ease;
            background: #E2E8F0;
        }

        .news-list-item:hover .news-thumb {
            transform: scale(1.04);
        }

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

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 4px;
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-item:hover .news-title {
            color: var(--primary);
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: #94A3B8;
        }

        .news-meta .tag {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 11px;
        }

        .cta-banner {
            position: relative;
            background: linear-gradient(120deg, #0F766E 0%, #134E4A 60%, #0B3B38 100%);
            border-radius: 24px;
            padding: 56px 48px;
            overflow: hidden;
            text-align: center;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.08);
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }

        .social-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: all 0.2s ease;
        }

        .social-icon:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            transform: translateY(-2px);
        }

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

        @media(max-width:1024px) {
            .category-hero {
                padding: 56px 0 64px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .section {
                padding: 56px 0;
            }
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
        }

        @media(max-width:768px) {
            .category-hero {
                margin-top: 56px;
                padding: 44px 0 52px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .stat-num {
                font-size: 30px;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
        }

        @media(max-width:520px) {
            .category-hero h1 {
                font-size: 24px;
                letter-spacing: 1px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .section {
                padding: 40px 0;
            }
            .cta-banner {
                padding: 32px 20px;
                border-radius: 20px;
            }
            .cta-banner h2 {
                font-size: 18px;
            }
            .topic-card .topic-body {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --deep: #134E4A;
            --bg: #F6F8F7;
            --white: #FFFFFF;
            --title: #0F172A;
            --body: #334155;
            --muted: #64748B;
            --border: #E2E8F0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 24px -8px rgba(15,118,110,0.15);
            --transition: 0.25s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "HarmonicOS Sans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 16px;
        }
        @media (min-width: 768px) {
            .container-site {
                padding: 0 24px;
            }
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .nav-chip {
            display: flex;
            gap: 4px;
            background: #F1F5F9;
            border-radius: 9999px;
            padding: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .nav-chip::-webkit-scrollbar {
            display: none;
        }
        .nav-chip a {
            padding: 8px 16px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 500;
            color: #334155;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-chip a:hover {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
        }
        .nav-chip a.active {
            background: #ffffff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #F59E0B, #D97706);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 12px;
            transition: all 0.2s ease;
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }
        .btn-accent:hover {
            filter: brightness(1.05);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:active {
            transform: scale(0.98);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.25);
        }
        .btn-primary:active {
            transform: translateY(1px);
            opacity: 0.9;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-ghost:hover {
            background: rgba(15, 118, 110, 0.05);
            transform: translateY(-1px);
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #F59E0B, #D97706);
            color: #fff;
            padding: 14px 32px;
            border-radius: 14px;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }
        .btn-cta:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }
        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 14px 32px;
            border-radius: 14px;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* Article Main */
        .article-main {
            padding: 48px 0 64px;
            min-height: 60vh;
        }
        .article-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 16px;
        }
        @media (min-width: 768px) {
            .article-container {
                padding: 0 24px;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #94A3B8;
            margin-bottom: 28px;
        }
        .breadcrumb a {
            color: #64748B;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #CBD5E1;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: #334155;
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 400px;
        }
        .article-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.3;
            margin-bottom: 20px;
            max-width: 860px;
        }
        @media (min-width: 768px) {
            .article-title {
                font-size: 36px;
            }
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 32px;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-chip {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
        }
        .article-cover {
            border-radius: 20px;
            overflow: hidden;
            aspect-ratio: 16/9;
            margin-bottom: 12px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            background: #E2E8F0;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .figure-caption {
            text-align: center;
            font-size: 13px;
            color: #94A3B8;
            margin-bottom: 40px;
        }

        /* Article Content */
        .article-content {
            max-width: 768px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: #334155;
        }
        .article-content p {
            margin-bottom: 24px;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--title);
            margin-top: 40px;
            margin-bottom: 16px;
            padding-left: 12px;
            border-left: 4px solid var(--primary);
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--title);
            margin-top: 32px;
            margin-bottom: 12px;
            padding-left: 12px;
            border-left: 4px solid var(--primary);
        }
        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--title);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 24px;
            padding-left: 24px;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 6px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: #F8FAFA;
            padding: 16px 20px;
            margin-bottom: 24px;
            font-style: italic;
            color: #475569;
            border-radius: 0 12px 12px 0;
        }
        .article-content code {
            background: #F1F5F9;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
            font-family: "SFMono-Regular", Consolas, monospace;
        }
        .article-content pre {
            background: #0F172A;
            color: #E2E8F0;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            margin-bottom: 24px;
        }
        .article-content pre code {
            background: none;
            color: inherit;
            padding: 0;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 24px;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
        }
        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: 14px;
        }
        .article-content th {
            background: #F1F5F9;
            font-weight: 600;
        }
        .article-content img {
            border-radius: 16px;
            margin-bottom: 16px;
            max-width: 100%;
            height: auto;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--primary-dark);
        }

        /* Article Tags */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 40px;
            max-width: 768px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-tags span {
            background: #F1F5F9;
            color: #475569;
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 13px;
            transition: background 0.2s;
        }
        .article-tags span:hover {
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
        }

        /* Prev / Next */
        .prevnext-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 768px;
            margin: 48px auto 0;
        }
        .prevnext-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: all var(--transition);
        }
        .prevnext-card:hover {
            border-color: rgba(15, 118, 110, 0.3);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.1);
            transform: translateY(-2px);
        }
        .pn-label {
            font-size: 12px;
            color: #94A3B8;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .pn-title {
            font-size: 15px;
            font-weight: 600;
            color: #334155;
            line-height: 1.5;
        }

        /* Related */
        .related-section {
            max-width: 768px;
            margin: 64px auto 0;
        }
        .related-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .related-section h2::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--primary);
            border-radius: 2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: block;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.25);
        }
        .related-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 16px;
        }
        .related-card-body h4 {
            font-size: 15px;
            font-weight: 600;
            color: #1E293B;
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .related-card-body .related-date {
            font-size: 12px;
            color: #94A3B8;
        }

        /* Not Found */
        .not-found {
            text-align: center;
            padding: 80px 24px;
            background: #fff;
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            max-width: 768px;
            margin: 24px auto 0;
        }
        .not-found i {
            font-size: 48px;
            color: #CBD5E1;
            margin-bottom: 16px;
        }
        .not-found p {
            font-size: 18px;
            color: var(--muted);
            margin-bottom: 24px;
        }

        /* CTA Banner */
        .cta-banner {
            margin-top: 80px;
            background: linear-gradient(135deg, #0F766E 0%, #134E4A 55%, #0B3B38 100%);
            border-radius: var(--radius-lg);
            padding: 56px 32px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            transform: rotate(15deg);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.08);
        }
        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner>p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            font-size: 15px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .flex {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #042F2E;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: all 0.2s;
        }
        .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }
        .social-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            transition: all 0.25s;
        }
        .social-icon:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .article-title {
                font-size: 28px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-meta {
                gap: 10px;
                font-size: 13px;
            }
            .cta-banner {
                padding: 40px 20px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 640px) {
            .prevnext-grid {
                grid-template-columns: 1fr;
            }
            .article-main {
                padding: 32px 0 48px;
            }
            .article-title {
                font-size: 26px;
                line-height: 1.35;
            }
            .article-content {
                font-size: 15px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .cta-banner .flex {
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F766E;
            --primary-hover: #115E59;
            --primary-deep: #134E4A;
            --accent: #F59E0B;
            --accent-hover: #D97706;
            --bg-color: #F6F8F7;
            --title-color: #0F172A;
            --body-color: #334155;
            --muted-color: #64748B;
            --border-color: #E2E8F0;
            --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
            --hover-shadow: 0 12px 24px -8px rgba(15, 118, 110, 0.15);
            --nav-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --font-sans: "PingFang SC", "HarmonicOS Sans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-color);
            color: var(--body-color);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container-site {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: box-shadow 0.3s ease, background 0.3s ease;
            padding: 14px 0;
        }
        .site-header.scrolled {
            box-shadow: var(--nav-shadow);
        }
        .nav-chip {
            display: flex;
            align-items: center;
            gap: 4px;
            background: #F1F5F9;
            border-radius: 999px;
            padding: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .nav-chip::-webkit-scrollbar {
            display: none;
        }
        .nav-chip a {
            flex-shrink: 0;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #334155;
            white-space: nowrap;
            transition: all 0.2s ease;
        }
        .nav-chip a:hover {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
        }
        .nav-chip a.active {
            background: #ffffff;
            color: var(--primary);
            box-shadow: 0 2px 6px rgba(15, 118, 110, 0.14);
            font-weight: 700;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: 12px;
            padding: 10px 22px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            filter: brightness(1.06);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
        }
        .btn-accent:active {
            transform: scale(0.98);
            filter: brightness(0.98);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: 12px;
            padding: 14px 32px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border-radius: 12px;
            padding: 12px 24px;
            border: 2px solid rgba(15, 118, 110, 0.4);
            transition: all 0.2s ease;
        }
        .btn-ghost:hover {
            background: rgba(15, 118, 110, 0.06);
            border-color: var(--primary);
        }
        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: 12px;
            padding: 12px 24px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all 0.2s ease;
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #0F766E 0%, #134E4A 55%, #0B3B38 100%);
            padding: 90px 0 100px;
            overflow: hidden;
        }
        .hero-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }
        .hero-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 118, 110, 0.15) 0%, rgba(11, 59, 56, 0.4) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 28px;
            margin-bottom: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(4px);
            color: rgba(255, 255, 255, 0.92);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 20px;
        }
        .section-block {
            padding: 80px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: rgba(15, 118, 110, 0.08);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--title-color);
            line-height: 1.3;
            letter-spacing: -0.02em;
        }
        .section-desc {
            color: var(--muted-color);
            font-size: 16px;
            line-height: 1.7;
            margin-top: 12px;
        }
        .intro-card {
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }
        .intro-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(15, 118, 110, 0.3);
        }
        .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
            font-size: 22px;
            transition: all 0.2s ease;
        }
        .intro-card:hover .icon-wrap {
            background: linear-gradient(135deg, #0F766E, #134E4A);
            color: #fff;
        }
        .announce-list-item {
            display: flex;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all 0.2s ease;
            align-items: center;
        }
        .announce-list-item:hover {
            border-color: rgba(15, 118, 110, 0.35);
            box-shadow: var(--hover-shadow);
            transform: translateY(-2px);
        }
        .announce-list-item:hover .announce-thumb {
            transform: scale(1.05);
        }
        .announce-thumb {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        @media (min-width: 768px) {
            .announce-thumb {
                width: 96px;
                height: 96px;
            }
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
            font-size: 11px;
            font-weight: 600;
            border-radius: 999px;
            padding: 3px 10px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .faq-item.active {
            border-color: rgba(15, 118, 110, 0.4);
            box-shadow: 0 6px 20px rgba(15, 118, 110, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--title-color);
            cursor: pointer;
            user-select: none;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
            transition: transform 0.3s ease, background 0.2s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--muted-color);
            font-size: 14px;
            line-height: 1.8;
        }
        .cta-section {
            background: linear-gradient(120deg, #0F766E 0%, #134E4A 60%, #0B3B38 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            transform: rotate(12deg);
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: 30%;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.12);
        }
        .social-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 16px;
            transition: all 0.2s ease;
        }
        .social-icon:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-title {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-link {
            display: block;
            color: rgba(255, 255, 255, 0.45);
            font-size: 14px;
            padding: 5px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease-out both;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        @media (max-width: 640px) {
            .section-block {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-banner {
                padding: 64px 0 72px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .announce-list-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .announce-thumb {
                width: 100%;
                height: 140px;
            }
        }
        @media (max-width: 400px) {
            .btn-accent {
                padding: 10px 16px;
                font-size: 13px;
            }
        }