/* roulang page: index */
:root {
            --brand: #16A34A;
            --brand-dark: #15803D;
            --brand-light: #DCFCE7;
            --accent: #F97316;
            --cyan-pop: #22D3EE;
            --bg: #F8FAF9;
            --surface: #FFFFFF;
            --ink: #0F172A;
            --ink-soft: #475569;
            --line: #E2E8F0;
            --radius-md: 8px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-glow: 0 0 24px rgba(34, 197, 94, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "DIN Alternate", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 16px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            position: relative;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 4px;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--brand), var(--cyan-pop));
        }

        .section-header p {
            color: var(--ink-soft);
            font-size: 15px;
            margin-top: 8px;
        }

        .section-more {
            font-size: 15px;
            color: var(--brand);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .2s;
            white-space: nowrap;
        }

        .section-more:hover {
            gap: 10px;
        }

        /* ====== Header ====== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
        }

        .header-top {
            height: 64px;
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
        }

        .header-top-inner {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand), #22C55E);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            letter-spacing: 0.5px;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border-radius: 999px;
            padding: 0 4px 0 14px;
            border: 1px solid transparent;
            transition: all .2s;
        }

        .search-box:focus-within {
            background: #fff;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
        }

        .search-box i {
            color: #94A3B8;
            font-size: 14px;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            padding: 8px 10px;
            font-size: 14px;
            width: 200px;
            color: var(--ink);
        }

        .search-box button {
            background: var(--brand);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            transition: background .2s;
        }

        .search-box button:hover {
            background: var(--brand-dark);
        }

        .btn-login,
        .btn-register {
            font-size: 14px;
            color: var(--ink-soft);
            padding: 8px 4px;
            transition: color .2s;
            white-space: nowrap;
        }

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

        .btn-register {
            color: var(--brand);
            font-weight: 500;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand);
            color: #fff;
            border-radius: 999px;
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 500;
            border: none;
            transition: all .2s;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 8px 24px rgba(22, 163, 74, 0.25);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-primary:focus {
            outline: 3px solid rgba(22, 163, 74, 0.35);
            outline-offset: 2px;
        }

        .btn-enter {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            background: transparent;
            color: var(--ink-soft);
            border-radius: 999px;
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 500;
            transition: all .2s;
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
        }

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

        .btn-lg {
            height: 50px;
            padding: 0 32px;
            font-size: 16px;
        }

        .btn-sm {
            height: 36px;
            padding: 0 18px;
            font-size: 14px;
        }

        .menu-toggle,
        .search-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: #F1F5F9;
            border: none;
            font-size: 16px;
            color: var(--ink);
            align-items: center;
            justify-content: center;
        }

        .header-nav {
            height: 48px;
        }

        .nav-scroll {
            height: 48px;
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .nav-tab {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-soft);
            background: #F1F5F9;
            white-space: nowrap;
            transition: all .2s;
        }

        .nav-tab:hover {
            color: var(--brand);
            background: var(--brand-light);
        }

        .nav-tab.active {
            background: var(--brand);
            color: #fff;
            font-weight: 500;
        }

        /* ====== Mobile Menu ====== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 112px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
            padding: 16px 24px 24px;
            z-index: 999;
            box-shadow: var(--shadow-md);
            max-height: calc(100vh - 112px);
            overflow-y: auto;
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid #F1F5F9;
        }

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

        .mobile-search {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border-radius: 12px;
            padding: 0 14px;
            margin-bottom: 8px;
        }

        .mobile-search i {
            color: #94A3B8;
            margin-right: 8px;
        }

        .mobile-search input {
            border: none;
            background: transparent;
            padding: 12px 0;
            outline: none;
            font-size: 14px;
            flex: 1;
            color: var(--ink);
        }

        .mobile-actions {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        /* ====== Hero ====== */
        .hero {
            position: relative;
            background: #0F172A;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(20, 83, 45, 0.75) 100%);
        }

        .hero-overlay::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(34, 197, 94, 0.15);
            filter: blur(80px);
            top: -100px;
            right: 10%;
        }

        .hero-overlay::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(34, 211, 238, 0.1);
            filter: blur(60px);
            bottom: -80px;
            left: 30%;
        }

        .hero-container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 560px;
        }

        .hero-content-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
            padding: 48px 0 40px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(34, 197, 94, 0.15);
            color: #4ADE80;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-left h1 {
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 480px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .data-badge {
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            padding: 24px;
            text-align: center;
            transition: transform .2s, border-color .2s;
        }

        .data-badge:hover {
            transform: translateY(-4px);
            border-color: rgba(34, 197, 94, 0.4);
        }

        .data-num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .data-num span {
            font-size: 16px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            margin-left: 2px;
        }

        .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        .hero-partners {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
            flex-wrap: wrap;
        }

        .hero-partners span:first-child {
            color: rgba(255, 255, 255, 0.25);
            letter-spacing: 1px;
        }

        /* ====== Entry Cards ====== */
        .quick-entry {
            background: var(--bg);
        }

        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .entry-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 28px 24px;
            transition: all .25s;
            display: block;
        }

        .entry-card:hover {
            transform: translateY(-4px);
            border-color: var(--brand);
            box-shadow: var(--shadow-md);
        }

        .entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            transition: all .25s;
        }

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

        .entry-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .entry-card p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .entry-link {
            font-size: 14px;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s;
        }

        .entry-card:hover .entry-link {
            gap: 8px;
        }

        /* ====== News ====== */
        .latest-news {
            background: var(--surface);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: 20px;
            overflow: hidden;
            transition: all .25s;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(22, 163, 74, 0.4);
        }

        .news-card-link {
            display: flex;
            height: 100%;
        }

        .news-thumb {
            width: 220px;
            flex-shrink: 0;
            min-height: 160px;
            background: #F1F5F9;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            background: var(--brand-light);
            color: var(--brand);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            width: fit-content;
            margin-bottom: 10px;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .news-body p {
            font-size: 14px;
            color: var(--ink-soft);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
            margin-bottom: auto;
        }

        .news-meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: #94A3B8;
            margin-top: 14px;
        }

        .news-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 24px;
            background: var(--bg);
            border: 1px dashed var(--line);
            border-radius: 20px;
        }

        .empty-state i {
            font-size: 42px;
            color: #CBD5E1;
            margin-bottom: 12px;
        }

        .empty-state p {
            color: var(--ink-soft);
            font-size: 15px;
        }

        /* ====== Features ====== */
        .features {
            background: var(--bg);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
        }

        .feature-big {
            background: linear-gradient(135deg, var(--brand), #166534);
            border-radius: 24px;
            padding: 40px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 360px;
        }

        .feature-big-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
            width: fit-content;
        }

        .feature-big h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-big p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .feature-progress {
            margin-bottom: 20px;
        }

        .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.85);
        }

        .progress-label strong {
            font-family: var(--font-num);
        }

        .progress-track {
            height: 8px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--brand), var(--cyan-pop));
            border-radius: 999px;
            transition: width 1s ease;
        }

        .progress-fill.accent {
            background: var(--accent);
        }

        .feature-small-row {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .feature-small {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 28px;
            flex: 1;
            transition: all .25s;
        }

        .feature-small:hover {
            border-color: var(--brand);
            box-shadow: var(--shadow-sm);
        }

        .feature-small-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .feature-small h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feature-small p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.6;
        }

        /* ====== Activities ====== */
        .activities {
            background: var(--surface);
        }

        .activity-scroll {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .activity-card {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: 20px;
            overflow: hidden;
            transition: all .25s;
        }

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

        .activity-cover {
            height: 160px;
            background-size: cover;
            background-position: center;
            background-color: #1E293B;
            position: relative;
        }

        .cover-football {
            background-image: url('/assets/images/coverpic/cover-2.png');
        }

        .cover-register {
            background-image: url('/assets/images/coverpic/cover-3.png');
        }

        .cover-basketball {
            background-image: url('/assets/images/coverpic/cover-4.png');
        }

        .activity-cover .tag-pill {
            position: absolute;
            top: 12px;
            left: 12px;
        }

        .accent-tag {
            background: var(--accent);
            color: #fff;
        }

        .activity-body {
            padding: 20px 24px 24px;
        }

        .activity-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .activity-body p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .progress-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .progress-wrap .progress-track {
            flex: 1;
            height: 8px;
            background: #E2E8F0;
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-wrap .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--brand), var(--cyan-pop));
            border-radius: 999px;
        }

        .progress-wrap span {
            font-size: 13px;
            color: var(--ink-soft);
            white-space: nowrap;
        }

        .activity-body .btn-outline {
            gap: 4px;
        }

        .activity-body .btn-outline:hover {
            gap: 8px;
        }

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

        .faq-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: start;
        }

        .faq-left h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .faq-left p {
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 320px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color .2s;
        }

        .faq-item.active {
            border-color: rgba(22, 163, 74, 0.5);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            background: transparent;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
        }

        .faq-question i {
            transition: transform 0.2s;
            color: #94A3B8;
            font-size: 14px;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            padding: 0 20px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
            border-left: 3px solid var(--brand);
            padding-left: 14px;
        }

        /* ====== CTA ====== */
        .cta-banner {
            background: var(--surface);
        }

        .cta-inner {
            background: linear-gradient(135deg, #0F172A, #14532D);
            border-radius: 24px;
            padding: 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(34, 197, 94, 0.2);
            filter: blur(60px);
            top: -100px;
            left: -100px;
        }

        .cta-inner::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(34, 211, 238, 0.12);
            filter: blur(50px);
            bottom: -60px;
            right: 10%;
        }

        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            position: relative;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
        }

        .cta-inner .btn-primary {
            position: relative;
            background: #fff;
            color: var(--brand-dark);
            height: 48px;
            padding: 0 36px;
            font-weight: 700;
        }

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

        /* ====== Footer ====== */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding: 64px 24px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all .2s;
        }

        .footer-social a:hover {
            background: var(--brand);
            color: #fff;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            transition: color .2s;
        }

        .footer-col a:hover {
            color: var(--brand);
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--brand);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ====== Responsive ====== */
        @media (max-width: 1024px) {
            .hero-content-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-right {
                grid-template-columns: repeat(4, 1fr);
            }

            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .activity-scroll {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .header-actions .search-box,
            .header-actions .btn-login,
            .header-actions .btn-register,
            .header-actions .btn-enter {
                display: none;
            }

            .menu-toggle,
            .search-toggle {
                display: flex;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .news-card-link {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                height: 180px;
            }

            .entry-grid {
                grid-template-columns: 1fr;
            }

            .activity-scroll {
                grid-template-columns: 1fr;
            }

            .faq-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-left h1 {
                font-size: 32px;
            }

            .hero-content-grid {
                padding: 32px 0 40px;
            }

            .hero-right {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero-partners {
                gap: 16px;
            }

            .cta-inner {
                padding: 40px 24px;
            }

            .cta-inner h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-container {
                min-height: auto;
            }

            .hero-content-grid {
                padding: 24px 0 32px;
            }

            .data-badge {
                padding: 16px;
            }

            .data-num {
                font-size: 28px;
            }

            .feature-big {
                padding: 28px 20px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .search-toggle {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #16A34A;
            --brand-dark: #15803D;
            --brand-light: #DCFCE7;
            --accent: #F97316;
            --cyan-pop: #22D3EE;
            --bg: #F8FAF9;
            --surface: #FFFFFF;
            --ink: #0F172A;
            --ink-soft: #475569;
            --line: #E2E8F0;
            --radius-lg: 20px;
            --radius-md: 16px;
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            font-size: 15px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .3s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
        }
        input, button {
            outline: none;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 15px;
            color: var(--ink-soft);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-top {
            height: 64px;
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
        }
        .header-top-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo i {
            color: var(--brand);
            font-size: 24px;
            background: var(--brand-light);
            border-radius: 12px;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .header-search {
            flex: 1;
            max-width: 460px;
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border-radius: 999px;
            padding: 0 6px 0 18px;
            height: 42px;
            border: 2px solid transparent;
            transition: all .3s;
            margin-left: 20px;
        }
        .header-search:focus-within {
            background: #fff;
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            font-size: 14px;
            color: var(--ink);
            min-width: 0;
        }
        .header-search input::placeholder {
            color: #94A3B8;
        }
        .header-search button {
            width: 34px;
            height: 34px;
            background: var(--brand);
            color: #fff;
            border: none;
            border-radius: 999px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .3s, transform .2s;
            flex-shrink: 0;
        }
        .header-search button:hover {
            background: var(--brand-dark);
        }
        .header-search button:active {
            transform: scale(0.94);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            flex-shrink: 0;
        }
        .btn-login, .btn-register {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-soft);
            padding: 8px 16px;
            border-radius: 999px;
            transition: all .3s;
        }
        .btn-login:hover, .btn-register:hover {
            color: var(--brand);
            background: var(--brand-light);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            height: 44px;
            padding: 0 28px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all .3s;
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(22, 163, 74, 0.2);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 8px 24px rgba(22, 163, 74, 0.3);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(22, 163, 74, 0.35);
        }
        .btn-sm {
            height: 36px;
            padding: 0 18px;
            font-size: 14px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            height: 44px;
            padding: 0 28px;
            border-radius: 999px;
            cursor: pointer;
            transition: all .3s;
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--brand-light);
            color: var(--brand-light);
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }
        .header-nav {
            height: 48px;
            display: flex;
            align-items: center;
        }
        .nav-scroll {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 100%;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-scroll::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 7px 22px;
            background: #F1F5F9;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            white-space: nowrap;
            text-decoration: none;
            transition: all .3s;
            border: 1px solid transparent;
        }
        .nav-tab:hover {
            color: var(--brand);
            background: var(--brand-light);
            border-color: rgba(22, 163, 74, 0.2);
        }
        .nav-tab.active {
            background: var(--brand);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
        }
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            background: transparent;
            border-radius: 10px;
            color: var(--ink);
            cursor: pointer;
            margin-left: auto;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: background .3s;
        }
        .mobile-menu-btn:hover {
            background: #F1F5F9;
        }

        /* ===== Mobile Menu ===== */
        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.5);
            z-index: 150;
            opacity: 0;
            visibility: hidden;
            transition: all .35s;
            backdrop-filter: blur(4px);
        }
        .mobile-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -340px;
            width: 100%;
            max-width: 320px;
            height: 100%;
            background: var(--surface);
            z-index: 200;
            transition: right .35s ease;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
            display: flex;
            flex-direction: column;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--line);
        }
        .mobile-menu-logo {
            font-size: 18px;
            font-weight: 800;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-menu-logo i {
            color: var(--brand);
            font-size: 20px;
        }
        .mobile-menu-close {
            width: 36px;
            height: 36px;
            border: none;
            background: var(--bg);
            border-radius: 8px;
            cursor: pointer;
            color: var(--ink);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .3s;
        }
        .mobile-menu-close:hover {
            background: var(--brand-light);
            color: var(--brand);
        }
        .mobile-menu-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            flex: 1;
        }
        .mobile-menu-search {
            display: flex;
            background: var(--bg);
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 16px;
            border: 1px solid var(--line);
        }
        .mobile-menu-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--ink);
            min-width: 0;
        }
        .mobile-menu-search button {
            width: 46px;
            border: none;
            background: var(--brand);
            color: #fff;
            cursor: pointer;
            font-size: 14px;
        }
        .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-soft);
            text-decoration: none;
            transition: all .3s;
        }
        .mobile-nav-item i {
            width: 20px;
            color: #94A3B8;
            font-size: 16px;
        }
        .mobile-nav-item:hover {
            background: var(--brand-light);
            color: var(--brand);
        }
        .mobile-nav-item:hover i {
            color: var(--brand);
        }
        .mobile-nav-item.active {
            background: var(--brand);
            color: #fff;
            font-weight: 600;
        }
        .mobile-nav-item.active i {
            color: #fff;
        }
        .mobile-menu-actions {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .btn-block {
            width: 100%;
            display: flex;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 56px 0;
            background-color: #0F172A;
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
            border-bottom: 4px solid var(--brand);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(22, 163, 74, 0.45) 100%);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(34, 211, 238, 0.18);
            filter: blur(60px);
            z-index: 1;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color .3s;
        }
        .breadcrumb a:hover {
            color: var(--brand-light);
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }
        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.4);
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.2;
            letter-spacing: 1px;
        }
        .page-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== Services ===== */
        .services-section {
            background: var(--surface);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: all .35s;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--brand), var(--cyan-pop));
            opacity: 0;
            transition: opacity .3s;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(22, 163, 74, 0.4);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 22px;
            transition: all .3s;
        }
        .service-card:nth-child(2) .service-icon {
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent);
        }
        .service-card:nth-child(3) .service-icon {
            background: rgba(34, 211, 238, 0.14);
            color: #0891B2;
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
        }

        /* ===== Coverage ===== */
        .coverage-section {
            background: var(--bg);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .coverage-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            max-width: 840px;
            margin: 0 auto;
        }
        .coverage-tag {
            padding: 12px 28px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-soft);
            transition: all .3s;
            cursor: default;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .coverage-tag i {
            color: var(--brand);
            font-size: 14px;
        }
        .coverage-tag:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(22, 163, 74, 0.1);
        }

        /* ===== Scenarios ===== */
        .scenario-section {
            background: var(--surface);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            position: relative;
            overflow: hidden;
            transition: all .35s;
        }
        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--brand);
            opacity: 0;
            transition: opacity .3s;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(22, 163, 74, 0.3);
        }
        .scenario-card:hover::before {
            opacity: 1;
        }
        .scenario-step {
            font-size: 40px;
            font-weight: 800;
            color: #EDF7F0;
            position: absolute;
            top: 18px;
            right: 24px;
            line-height: 1;
            transition: color .3s;
        }
        .scenario-card:hover .scenario-step {
            color: var(--brand-light);
        }
        .scenario-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: #0F172A;
            background-image:
                radial-gradient(circle at 15% 30%, rgba(22, 163, 74, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 85% 80%, rgba(34, 211, 238, 0.18) 0%, transparent 45%);
            color: #fff;
            padding: 64px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-card {
            padding: 24px 16px;
        }
        .stat-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
            font-family: 'Inter', 'DIN Alternate', sans-serif;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 8px;
            display: block;
            letter-spacing: 1px;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--surface);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--brand), var(--cyan-pop));
            opacity: 0.2;
        }
        .process-step {
            text-align: center;
            padding: 48px 28px 36px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            position: relative;
            transition: all .35s;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(22, 163, 74, 0.3);
        }
        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 999px;
            background: var(--brand);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 10px 24px rgba(22, 163, 74, 0.3);
            position: relative;
            z-index: 2;
            border: 3px solid var(--surface);
            font-family: 'Inter', 'DIN Alternate', sans-serif;
        }
        .process-step:nth-child(2) .step-num {
            background: var(--accent);
            box-shadow: 0 10px 24px rgba(249, 115, 22, 0.3);
        }
        .process-step:nth-child(3) .step-num {
            background: #0891B2;
            box-shadow: 0 10px 24px rgba(8, 145, 178, 0.3);
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
        }

        /* ===== Content Cards ===== */
        .content-section {
            background: var(--bg);
        }
        .filter-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .filter-tab {
            padding: 8px 22px;
            background: #F1F5F9;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            cursor: pointer;
            border: 1px solid transparent;
            transition: all .3s;
        }
        .filter-tab:hover {
            color: var(--brand);
            background: var(--brand-light);
            border-color: rgba(22, 163, 74, 0.2);
        }
        .filter-tab.active {
            background: var(--brand);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
        }
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .content-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all .35s;
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(22, 163, 74, 0.35);
        }
        .content-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #E9EEF2;
        }
        .content-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .content-card:hover .content-cover img {
            transform: scale(1.05);
        }
        .content-cat {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .content-body {
            padding: 22px 24px 24px;
        }
        .content-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .3s;
        }
        .content-card:hover .content-body h3 {
            color: var(--brand);
        }
        .content-body p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .content-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: #94A3B8;
        }
        .content-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .content-meta i {
            font-size: 12px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
            border-top: 1px solid var(--line);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .3s;
        }
        .faq-item.active {
            border-color: rgba(22, 163, 74, 0.5);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            transition: color .3s;
        }
        .faq-question:hover {
            color: var(--brand);
        }
        .faq-icon {
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            border-radius: 999px;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all .3s;
        }
        .faq-item.active .faq-icon {
            background: var(--brand);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            margin: 0 24px 0 0;
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.75;
            border-left: 4px solid var(--brand);
            padding-left: 18px;
            margin-left: 24px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0 80px;
            background: var(--surface);
        }
        .cta-banner {
            background: #0F172A;
            background-image:
                radial-gradient(circle at 15% 30%, rgba(22, 163, 74, 0.45) 0%, transparent 40%),
                radial-gradient(circle at 85% 75%, rgba(34, 211, 238, 0.22) 0%, transparent 40%);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--cyan-pop), var(--accent));
        }
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 30px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-banner .btn-primary {
            box-shadow: 0 10px 30px rgba(22, 163, 74, 0.4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
            border-top: 3px solid var(--brand);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-logo {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }
        .footer-logo i {
            color: var(--brand);
            font-size: 22px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            transition: all .3s;
            font-size: 15px;
        }
        .footer-social a:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            padding: 6px 0;
            transition: all .3s;
        }
        .footer-col a:hover {
            color: var(--brand);
            padding-left: 4px;
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.6;
        }
        .footer-contact p i {
            color: var(--brand);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Animation ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-up {
            animation: fadeInUp .6s ease forwards;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-steps::before {
                display: none;
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .header-search {
                max-width: 300px;
            }
        }
        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .header-actions .btn-login,
            .header-actions .btn-register,
            .header-actions .btn-primary {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header-top-inner {
                gap: 12px;
            }
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .page-hero {
                padding: 44px 0;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .cta-banner {
                padding: 44px 28px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .content-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-num {
                font-size: 34px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .header-logo {
                font-size: 18px;
            }
            .header-logo i {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
            .nav-tab {
                padding: 7px 16px;
                font-size: 13px;
            }
            .filter-tabs {
                gap: 8px;
            }
            .filter-tab {
                padding: 7px 16px;
                font-size: 13px;
            }
            .coverage-tag {
                padding: 8px 18px;
                font-size: 14px;
            }
            .cta-banner {
                padding: 36px 20px;
                border-radius: 18px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .faq-answer-inner {
                margin-left: 16px;
                padding-left: 14px;
            }
        }

/* roulang page: article */
:root {
            --brand: #16A34A;
            --brand-dark: #15803D;
            --brand-light: #DCFCE7;
            --accent: #F97316;
            --cyan-pop: #22D3EE;
            --bg: #F8FAF9;
            --surface: #ffffff;
            --ink: #0F172A;
            --ink-soft: #475569;
            --line: #E2E8F0;
            --radius: 20px;
            --radius-sm: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow 0.3s;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(8, 20, 15, 0.08);
        }

        .header-top {
            height: 64px;
            display: flex;
            align-items: center;
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--ink);
            white-space: nowrap;
        }

        .site-logo .logo-ico {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            flex-shrink: 0;
        }

        .header-search form {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border: 1px solid transparent;
            border-radius: 999px;
            height: 42px;
            padding-left: 16px;
            transition: all 0.2s;
        }

        .header-search form:focus-within {
            background: #fff;
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
        }

        .header-search input {
            width: 220px;
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--ink);
        }

        .header-search button {
            height: 34px;
            padding: 0 18px;
            border: none;
            border-radius: 999px;
            background: var(--brand);
            color: #fff;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
            font-weight: 600;
        }

        .header-search button:hover {
            background: var(--brand-dark);
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 26px;
            background: var(--brand);
            color: #fff;
            border: none;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(22, 163, 74, 0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 26px;
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.2s;
        }

        .btn-secondary:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 18px;
            background: transparent;
            border: 1px solid var(--line);
            color: var(--ink-soft);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.2s;
        }

        .btn-ghost:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .header-nav {
            height: 48px;
            border-top: 1px solid rgba(226, 232, 240, 0.6);
        }

        .nav-scroll {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 100%;
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .nav-tab {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            height: 34px;
            padding: 0 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-soft);
            background: #F1F5F9;
            transition: all 0.2s;
            flex-shrink: 0;
        }

        .nav-tab:hover {
            color: var(--brand);
            background: var(--brand-light);
        }

        .nav-tab.active {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            background: #F1F5F9;
            border-radius: 12px;
            font-size: 18px;
            color: var(--ink);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

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

        .mobile-menu {
            position: fixed;
            top: 112px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
            box-shadow: var(--shadow-hover);
            padding: 24px;
            display: none;
            z-index: 998;
        }

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

        .mobile-menu .mobile-search form {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border-radius: 999px;
            height: 44px;
            padding-left: 16px;
            gap: 8px;
        }

        .mobile-menu .mobile-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 15px;
            color: var(--ink);
        }

        .mobile-menu .mobile-search button {
            height: 36px;
            padding: 0 20px;
            border: none;
            border-radius: 999px;
            background: var(--brand);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
        }

        .mobile-menu .mobile-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 16px;
        }

        .mobile-menu .mobile-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 12px;
            background: #F8FAF9;
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s;
        }

        .mobile-menu .mobile-links a:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .mobile-menu .mobile-mt {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }

        .btn-block {
            display: flex;
            justify-content: center;
            width: 100%;
        }

        /* ===== 文章标题区 ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(rgba(10, 25, 20, 0.85), rgba(15, 23, 42, 0.9)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 60%);
            top: -150px;
            right: -80px;
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(22, 163, 74, 0.25), transparent 62%);
            bottom: -150px;
            left: -100px;
            pointer-events: none;
        }

        .article-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 18px;
        }

        .breadcrumb a {
            transition: color 0.2s;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .article-hero h1 {
            margin: 0 0 20px;
            color: #fff;
            font-size: 40px;
            line-height: 1.3;
            font-weight: 800;
            max-width: 900px;
            letter-spacing: 0.5px;
        }

        .hero-sub {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .meta-category {
            display: inline-flex;
            padding: 5px 16px;
            background: rgba(22, 163, 74, 0.28);
            color: #bbf7d0;
            border-radius: 999px;
            font-weight: 600;
            border: 1px solid rgba(34, 197, 94, 0.25);
        }

        /* ===== 正文区域 ===== */
        .article-body-wrap {
            position: relative;
            z-index: 3;
            margin-top: -56px;
            padding-bottom: 0;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--line);
            padding: 48px 56px;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.85;
            color: var(--ink-soft);
        }

        .article-content h2 {
            font-size: 28px;
            color: var(--ink);
            margin: 48px 0 16px;
            font-weight: 800;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 22px;
            color: var(--ink);
            margin: 36px 0 12px;
            font-weight: 700;
        }

        .article-content p {
            margin: 24px 0;
            line-height: 1.85;
        }

        .article-content a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content ul,
        .article-content ol {
            margin: 24px 0;
            padding-left: 24px;
        }

        .article-content li {
            margin: 10px 0;
        }

        .article-content img {
            border-radius: 16px;
            margin: 32px 0;
            box-shadow: var(--shadow);
        }

        .article-content blockquote {
            margin: 32px 0;
            padding: 20px 28px;
            background: #F1F5F9;
            border-left: 4px solid var(--brand);
            border-radius: 0 12px 12px 0;
            color: var(--ink-soft);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 32px 0;
            font-size: 15px;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: 12px 16px;
            text-align: left;
        }

        .article-content th {
            background: #F8FAF9;
            font-weight: 600;
        }

        .article-tags {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--line);
        }

        .tags-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            padding-top: 2px;
        }

        .tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .article-tag {
            padding: 6px 16px;
            background: var(--brand-light);
            color: var(--brand-dark);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .article-tag:hover {
            border-color: var(--brand);
            background: #fff;
        }

        .article-back {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 40px;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            color: var(--ink-soft);
        }

        .article-not-found i {
            font-size: 56px;
            color: var(--brand);
            opacity: 0.4;
            margin-bottom: 20px;
        }

        .article-not-found h2 {
            font-size: 28px;
            color: var(--ink);
            margin-bottom: 12px;
        }

        .article-not-found p {
            margin-bottom: 32px;
            font-size: 15px;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            position: relative;
            overflow: hidden;
            margin: 80px auto;
            max-width: 1200px;
            border-radius: 24px;
            background: linear-gradient(135deg, #0F172A, #0B3B24);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            padding: 56px 64px;
            box-shadow: 0 20px 50px rgba(10, 30, 20, 0.2);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(34, 197, 94, 0.4), transparent 60%);
            top: -120px;
            left: -80px;
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.28), transparent 60%);
            bottom: -90px;
            right: -40px;
            pointer-events: none;
        }

        .cta-banner .cta-info,
        .cta-banner .cta-image {
            position: relative;
            z-index: 2;
        }

        .cta-banner h2 {
            font-size: 30px;
            margin: 0 0 14px;
            font-weight: 800;
            line-height: 1.4;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            margin: 0 0 28px;
            line-height: 1.7;
            max-width: 560px;
        }

        .cta-banner .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-banner .cta-image img {
            width: 240px;
            height: 180px;
            object-fit: cover;
            border-radius: 18px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F172A;
            color: #94A3B8;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding: 64px 24px 40px;
        }

        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-logo i {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand), var(--cyan-pop));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }

        .footer-brand p {
            color: #64748B;
            font-size: 14px;
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: #94A3B8;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: all 0.2s;
        }

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

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin: 0 0 18px;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            color: #64748B;
            font-size: 14px;
            padding: 6px 0;
            transition: all 0.2s;
        }

        .footer-col a:hover {
            color: var(--brand);
            transform: translateX(4px);
        }

        .footer-contact p {
            color: #64748B;
            font-size: 14px;
            margin: 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--brand);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding: 20px 0;
            color: #475569;
            font-size: 14px;
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .article-card {
                padding: 40px;
            }

            .cta-banner {
                padding: 48px 40px;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-actions .btn-primary,
            .header-actions .btn-ghost {
                display: none;
            }

            .article-hero {
                padding: 56px 0 88px;
            }

            .article-hero h1 {
                font-size: 30px;
            }

            .article-card {
                padding: 28px 24px;
            }

            .cta-banner {
                flex-direction: column;
                padding: 40px 28px;
                text-align: center;
            }

            .cta-banner .cta-actions {
                justify-content: center;
            }

            .cta-banner .cta-image img {
                width: 100%;
                max-width: 320px;
                height: 160px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding: 48px 24px 24px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .site-logo {
                font-size: 19px;
            }

            .site-logo .logo-ico {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .nav-tab {
                padding: 0 16px;
                font-size: 13px;
            }

            .article-hero h1 {
                font-size: 26px;
            }

            .article-meta {
                gap: 10px;
                font-size: 13px;
            }

            .article-content {
                font-size: 16px;
            }

            .article-content h2 {
                font-size: 24px;
            }

            .cta-banner {
                margin: 56px 16px;
                padding: 36px 20px;
            }

            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-banner p {
                font-size: 14px;
            }

            .article-back {
                flex-direction: column;
            }

            .article-back .btn-secondary {
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --brand: #16A34A;
            --brand-dark: #15803D;
            --brand-light: #DCFCE7;
            --accent: #F97316;
            --cyan-pop: #22D3EE;
            --bg: #F8FAF9;
            --surface: #FFFFFF;
            --ink: #0F172A;
            --ink-soft: #475569;
            --line: #E2E8F0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-md: 0 12px 32px rgba(0,0,0,0.12);
            --shadow-glow: 0 0 24px rgba(34,197,94,0.25);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
        }
        .header-main-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand), var(--cyan-pop));
            color: #fff;
            border-radius: 12px;
            font-size: 16px;
            box-shadow: var(--shadow-glow);
        }
        .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: 0.5px;
        }
        .header-searchbox {
            flex: 1;
            max-width: 360px;
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border-radius: 999px;
            padding: 0 8px 0 16px;
            height: 40px;
            border: 1px solid transparent;
            transition: all 0.3s;
        }
        .header-searchbox:focus-within {
            background: #fff;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.25);
        }
        .search-icon {
            color: #94A3B8;
            font-size: 14px;
            margin-right: 8px;
        }
        .search-input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            color: var(--ink);
            font-size: 14px;
        }
        .search-btn {
            background: var(--brand);
            color: #fff;
            border: none;
            border-radius: 999px;
            height: 32px;
            padding: 0 16px;
            font-size: 13px;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: var(--brand-dark);
        }
        .header-btns {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-text-link {
            font-size: 14px;
            color: var(--ink-soft);
            padding: 8px 4px;
            transition: color 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-text-link:hover {
            color: var(--brand);
        }
        .border-link {
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 8px 18px;
        }
        .border-link:hover {
            border-color: var(--brand);
            color: var(--brand);
        }
        .btn-primary {
            background: var(--brand);
            color: #fff;
            border: none;
            border-radius: 999px;
            height: 44px;
            padding: 0 24px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
        }
        .btn-enter {
            height: 38px;
            font-size: 13px;
            padding: 0 20px;
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(22, 163, 74, 0.35);
            outline-offset: 2px;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--ink);
        }
        .header-nav {
            background: transparent;
            border-top: 1px solid rgba(226, 232, 240, 0.6);
        }
        .nav-scroll {
            display: flex;
            gap: 8px;
            padding-top: 8px;
            padding-bottom: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-scroll::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            flex-shrink: 0;
            padding: 8px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            background: #F1F5F9;
            transition: all 0.3s;
            white-space: nowrap;
        }
        .nav-tab:hover {
            color: var(--brand);
            background: var(--brand-light);
        }
        .nav-tab.active {
            background: var(--brand);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu-dropdown {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
            box-shadow: var(--shadow-md);
            padding: 16px 20px;
            z-index: 999;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu-dropdown.open {
            display: flex;
        }
        .mobile-searchbox {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border-radius: 12px;
            padding: 10px 14px;
            gap: 8px;
            margin-bottom: 12px;
        }
        .mobile-searchbox input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
        }
        .mobile-link {
            display: block;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            transition: all 0.2s;
        }
        .mobile-link:hover {
            background: var(--brand-light);
            color: var(--brand);
        }
        .mobile-link.active {
            background: var(--brand);
            color: #fff;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            min-height: 260px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(135deg, #0F172A 0%, #064E3B 50%, #134E4A 100%);
            padding: 48px 0 56px;
        }
        .hero-bg-layer {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.45) 60%, rgba(15, 23, 42, 0.3) 100%);
        }
        .category-hero-inner {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.3s;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.4);
        }
        .category-title {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .category-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.8;
        }
        .hero-badges {
            display: flex;
            gap: 12px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 6px 16px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
        }
        .hero-badge i {
            color: var(--accent);
        }

        /* ===== Filter ===== */
        .filter-section {
            background: var(--surface);
            border-bottom: 1px solid var(--line);
        }
        .filter-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 16px;
            padding-bottom: 16px;
            flex-wrap: wrap;
        }
        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tab {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink-soft);
            background: #F1F5F9;
            transition: all 0.3s;
        }
        .filter-tab:hover {
            color: var(--brand);
            background: var(--brand-light);
        }
        .filter-tab.active {
            background: var(--brand);
            color: #fff;
            font-weight: 600;
        }
        .filter-note {
            font-size: 13px;
            color: var(--ink-soft);
        }

        /* ===== Activity Grid ===== */
        .activity-section {
            background: var(--bg);
            padding: 48px 0 56px;
        }
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .activity-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.35s;
        }
        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(22, 163, 74, 0.4);
        }
        .card-cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #E2E8F0;
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .activity-card:hover .card-cover img {
            transform: scale(1.03);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(220, 252, 231, 0.95);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .card-body {
            padding: 20px 20px 22px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #94A3B8;
        }
        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Features ===== */
        .features-section {
            background: var(--surface);
            padding: 64px 0;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.7;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all 0.3s;
            text-align: center;
        }
        .feature-card:hover {
            background: #fff;
            border-color: rgba(22, 163, 74, 0.4);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 16px;
        }
        .feature-icon.ic-green {
            background: var(--brand-light);
            color: var(--brand);
        }
        .feature-icon.ic-orange {
            background: #FFEDD5;
            color: var(--accent);
        }
        .feature-icon.ic-cyan {
            background: #CFFAFE;
            color: #06B6D4;
        }
        .feature-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-desc {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg);
            padding: 64px 0;
        }
        .process-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: center;
        }
        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .process-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all 0.3s;
        }
        .process-step:hover {
            border-color: rgba(22, 163, 74, 0.4);
            box-shadow: var(--shadow-sm);
        }
        .step-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 999px;
            background: var(--brand);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-body {
            flex: 1;
        }
        .step-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.6;
        }
        .process-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            aspect-ratio: 4 / 3;
        }
        .process-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .process-media-tip {
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 16px;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            border-radius: 14px;
            padding: 14px 18px;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .process-media-tip i {
            color: var(--accent);
            font-size: 16px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--surface);
            padding: 64px 0;
            border-top: 1px solid var(--line);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 44px;
            align-items: start;
        }
        .faq-intro h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .faq-intro p {
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .faq-intro .btn-outline-green {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--brand);
            color: var(--brand);
            border-radius: 999px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .faq-intro .btn-outline-green:hover {
            background: var(--brand);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-item.active {
            border-color: rgba(22, 163, 74, 0.5);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            user-select: none;
            -webkit-user-select: none;
            gap: 12px;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-q:hover {
            color: var(--brand);
        }
        .faq-icon {
            transition: transform 0.3s;
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 999px;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }
        .faq-icon.rotate {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.75;
        }
        .faq-item.active .faq-a {
            max-height: 400px;
            padding: 14px 20px 18px;
            border-top: 1px solid var(--line);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg);
            padding: 56px 0;
        }
        .cta-banner {
            position: relative;
            background: linear-gradient(120deg, #0F172A 0%, #064E3B 60%, #0F766E 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            overflow: hidden;
            flex-wrap: wrap;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.25), transparent 70%);
            border-radius: 50%;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -70px;
            left: 30%;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(22, 163, 74, 0.3), transparent 70%);
            border-radius: 50%;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
        }
        .cta-btn-wrap {
            position: relative;
            z-index: 2;
            flex-shrink: 0;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 0 32px;
            height: 48px;
            border-radius: 999px;
            transition: all 0.3s;
        }
        .cta-btn:hover {
            background: #22C55E;
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .cta-btn:active {
            transform: scale(0.97);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-logo i {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #E2E8F0;
            font-size: 14px;
            transition: all 0.3s;
        }
        .footer-social a:hover {
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #94A3B8;
            margin-bottom: 12px;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-col a:hover {
            color: var(--brand);
            padding-left: 4px;
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--brand);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
        }
        .footer-bottom p {
            color: #64748B;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .header-searchbox {
                display: none;
            }
            .header-btns .btn-text-link {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .nav-scroll {
                padding-top: 8px;
                padding-bottom: 8px;
            }
            .category-title {
                font-size: 30px;
            }
            .category-hero {
                min-height: 220px;
                padding: 36px 0;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 5px 12px;
            }
            .filter-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-note {
                font-size: 12px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-btn-wrap {
                width: 100%;
            }
            .cta-btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .activity-grid {
                gap: 16px;
            }
            .card-body {
                padding: 16px;
            }
            .brand-name {
                font-size: 18px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .category-subtitle {
                font-size: 15px;
            }
            .process-media-tip {
                font-size: 12px;
                padding: 10px 14px;
            }
        }