/* roulang page: index */
:root {
            --primary: #10231E;
            --primary-2: #141816;
            --accent: #C8F04B;
            --gold: #C89B5A;
            --bg: #F5F2EA;
            --dark-bg: #0F1713;
            --text: #1B211D;
            --text-secondary: #55605A;
            --text-light: #D9DDD9;
            --border: rgba(11, 43, 34, 0.08);
            --border-strong: rgba(11, 43, 34, 0.16);
            --radius: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-numeric: 'Source Sans 3', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --nav-height: 68px;
            --container-max: 1200px;
            --container-pad: 28px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.8;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-weight: 400;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            border: 1px solid #C9CECB;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
            font-size: 15px;
            background-color: #fff;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
            background-color: rgba(200, 240, 75, 0.05);
            outline: none;
        }

        textarea {
            resize: vertical;
            min-height: 100px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(16, 35, 30, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(200, 240, 75, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(16, 35, 30, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            height: 100%;
        }

        .nav-logo-block {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 2px;
            margin-left: 16px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

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

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links-desktop a:hover {
            color: var(--accent);
            background: rgba(200, 240, 75, 0.08);
        }

        .nav-links-desktop a.active {
            color: var(--primary);
            background: var(--accent);
            font-weight: 700;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            color: #fff;
            padding: 8px 16px 8px 38px;
            font-size: 14px;
            width: 180px;
            transition: width var(--transition-base), border-color var(--transition-fast), background var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.2);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            white-space: nowrap;
            line-height: 1.5;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            min-height: 44px;
        }

        .btn-primary:hover {
            background: var(--gold);
            color: var(--primary-2);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            min-height: 44px;
        }

        .btn-secondary:hover {
            background: rgba(16, 35, 30, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            min-height: 44px;
        }

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

        .btn-sm {
            padding: 6px 16px;
            font-size: 13px;
            min-height: 34px;
        }

        .btn-lg {
            padding: 12px 32px;
            font-size: 16px;
            min-height: 48px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 19, 0.98);
            z-index: 999;
            padding: 20px var(--container-pad);
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

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

        .mobile-drawer a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            font-weight: 500;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(200, 240, 75, 0.1);
            color: var(--accent);
        }

        /* ========== HERO ========== */
        .hero-section {
            min-height: calc(100vh - var(--nav-height));
            min-height: 650px;
            padding-top: var(--nav-height);
            background-image: linear-gradient(rgba(16, 35, 30, 0.85), rgba(16, 35, 30, 0.92)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--accent), var(--gold), var(--accent));
            opacity: 0.8;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            width: 100%;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            padding-right: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 240, 75, 0.15);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            border: 1px solid rgba(200, 240, 75, 0.3);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero-title {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            font-family: var(--font-display);
        }

        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.85;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-search-box {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin-top: 8px;
        }

        .hero-search-box input {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-pill);
            color: #fff;
            padding: 12px 20px;
            font-size: 15px;
            flex: 1;
            min-width: 0;
        }

        .hero-search-box input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-search-box input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.2);
        }

        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .icon-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .icon-matrix-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            padding: 18px 14px;
            text-align: center;
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            cursor: default;
        }

        .icon-matrix-item:hover {
            background: rgba(200, 240, 75, 0.12);
            border-color: rgba(200, 240, 75, 0.4);
            transform: translateY(-2px);
        }

        .icon-matrix-item .icon-emoji {
            font-size: 28px;
            display: block;
            margin-bottom: 8px;
            line-height: 1.2;
        }

        .icon-matrix-item .icon-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            line-height: 1.4;
        }

        .status-bar {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .status-bar .status-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .status-bar .status-indicator .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ADE80;
            animation: pulse-dot 2s infinite;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            position: relative;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 10px;
            font-family: var(--font-display);
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 4px;
        }

        .section-divider {
            height: 1px;
            background: var(--border);
            border: none;
            margin: 0;
        }

        .bg-dark {
            background-color: var(--dark-bg);
            color: #fff;
        }
        .bg-dark .section-title {
            color: #fff;
        }
        .bg-dark .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== TRIAL BENEFITS ========== */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .benefit-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            transition: all var(--transition-base);
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-top: 3px solid var(--accent);
        }

        .benefit-card .benefit-icon {
            font-size: 32px;
            display: block;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .benefit-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== ELIGIBILITY ========== */
        .eligibility-wrap {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .eligibility-header {
            padding: 24px 28px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .eligibility-header .elig-icon {
            font-size: 28px;
        }

        .eligibility-header h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            flex: 1;
            min-width: 200px;
        }

        .eligibility-body {
            padding: 28px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .elig-info-block h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .elig-info-block p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        .elig-list li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding: 6px 0;
            padding-left: 20px;
            position: relative;
        }

        .elig-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 6px;
            color: var(--gold);
            font-weight: 700;
            font-size: 13px;
        }

        /* ========== NEWS / TIMELINE ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            display: flex;
            gap: 18px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            transition: all var(--transition-base);
        }

        .news-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-left: 3px solid var(--accent);
        }

        .news-date {
            flex-shrink: 0;
            min-width: 90px;
            max-width: 100px;
            font-size: 13px;
            color: var(--gold);
            font-weight: 600;
            text-align: right;
            line-height: 1.5;
            padding-top: 2px;
        }

        .news-content {
            flex: 1;
        }

        .news-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }

        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

        .news-link:hover {
            color: var(--accent);
            text-decoration: underline;
            text-decoration-thickness: 2px;
            text-underline-offset: 3px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }

        .sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tags a {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 5px 14px;
            transition: all var(--transition-fast);
        }

        .sidebar-tags a:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .sidebar-mini-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-mini-list li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .sidebar-mini-list li:last-child {
            border-bottom: none;
        }

        .sidebar-mini-list .mini-dot {
            color: var(--gold);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ========== METRICS BOARD ========== */
        .metrics-board {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            background: var(--primary);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
        }

        .metric-item {
            text-align: center;
            padding: 12px 8px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .metric-item:last-child {
            border-right: none;
        }

        .metric-number {
            font-family: var(--font-numeric);
            font-size: 34px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .metric-unit {
            font-size: 16px;
            color: var(--accent);
            font-weight: 600;
            margin-left: 2px;
        }

        .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            margin-top: 4px;
            line-height: 1.4;
        }

        .metrics-desc {
            margin-top: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            line-height: 1.7;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }

        .service-main-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .service-row {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            transition: all var(--transition-base);
        }

        .service-row:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-top: 3px solid var(--accent);
        }

        .service-row .service-img {
            width: 72px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            object-fit: cover;
        }

        .service-row .service-info {
            flex: 1;
            min-width: 0;
        }

        .service-row .service-info h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .service-row .service-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .service-row .service-arrow {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--gold);
            transition: transform var(--transition-fast);
        }

        .service-row:hover .service-arrow {
            transform: translateX(4px);
            color: var(--accent);
        }

        .service-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .service-data-card {
            background: var(--dark-bg);
            border-radius: var(--radius);
            padding: 22px 20px;
            color: #fff;
        }

        .service-data-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .service-data-card .data-row {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
        }

        .service-data-card .data-row:last-child {
            border-bottom: none;
        }

        .service-data-card .data-row span:last-child {
            font-weight: 600;
            color: #fff;
            font-family: var(--font-numeric);
        }

        /* ========== COMPARISON ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: start;
        }

        .comparison-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            padding: 28px;
            transition: all var(--transition-base);
        }

        .comparison-card.highlight-card {
            background: rgba(200, 240, 75, 0.08);
            border-color: rgba(200, 240, 75, 0.35);
        }

        .comparison-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card h3 .cmp-badge {
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: var(--primary);
        }

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

        .comparison-list li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 12px;
            line-height: 1.6;
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-list .cmp-label {
            flex-shrink: 0;
            font-weight: 600;
            color: #fff;
            min-width: 90px;
        }

        .comparison-list .cmp-value {
            text-align: right;
            color: rgba(255, 255, 255, 0.75);
        }

        .cmp-highlight-text {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .cmp-highlight-text strong {
            color: var(--accent);
            font-weight: 700;
        }

        .comparison-visual-bar {
            margin-top: 24px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 20px 24px;
        }

        .bar-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .bar-row:last-child {
            margin-bottom: 0;
        }

        .bar-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            min-width: 80px;
            flex-shrink: 0;
        }

        .bar-track {
            flex: 1;
            height: 10px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 5px;
            overflow: hidden;
        }

        .bar-fill {
            height: 100%;
            border-radius: 5px;
            background: var(--accent);
            transition: width var(--transition-base);
        }

        .bar-fill.gold {
            background: var(--gold);
        }

        .bar-value {
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            min-width: 40px;
            text-align: right;
            font-family: var(--font-numeric);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 1fr 200px;
            gap: 28px;
            align-items: center;
        }

        .brand-intro-text h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 10px;
        }

        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        .brand-intro-img {
            border-radius: var(--radius);
            overflow: hidden;
            width: 100%;
            max-width: 200px;
            height: 150px;
            object-fit: cover;
            box-shadow: var(--shadow);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
        }

        .faq-item.open {
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: rgba(200, 240, 75, 0.08);
        }

        .faq-question .faq-tag {
            flex-shrink: 0;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background: var(--gold);
            color: #fff;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--gold);
            transition: transform var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px 20px;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background-image: linear-gradient(rgba(15, 23, 19, 0.94), rgba(15, 23, 19, 0.97)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-form-info h3 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .cta-form-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .cta-form-box {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-box .form-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .cta-form-box .form-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .form-row-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .form-submit-btn {
            width: 100%;
            background: var(--accent);
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
            padding: 12px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            min-height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .form-submit-btn:hover {
            background: var(--gold);
            color: var(--primary-2);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .form-submit-btn:active {
            transform: translateY(0);
        }

        .form-submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding-top: 40px;
            padding-bottom: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }

        .footer-brand .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 6px;
            font-size: 15px;
            font-weight: 900;
            margin-right: 8px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .footer-column h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

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

        .footer-column ul li {
            margin-bottom: 6px;
        }

        .footer-column ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .footer-column ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 34px;
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-board {
                grid-template-columns: repeat(4, 1fr);
            }
            .metric-item:nth-child(4) {
                border-right: none;
            }
            .metric-item:nth-child(5) {
                display: none;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr;
            }
            .brand-intro-block {
                grid-template-columns: 1fr;
            }
            .brand-intro-img {
                max-width: 100%;
                height: 200px;
            }
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-content {
                padding-right: 0;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .icon-matrix {
                grid-template-columns: repeat(3, 1fr);
            }
            .nav-links-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .benefits-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .metrics-board {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
                padding: 20px 16px;
            }
            .metric-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 10px 6px;
            }
            .metric-item:nth-child(odd) {
                border-right: 1px solid rgba(255, 255, 255, 0.08);
            }
            .metric-number {
                font-size: 26px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .eligibility-body {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .form-row-2 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
            .section-title {
                font-size: 22px;
            }
            .brand-intro-block {
                padding: 24px 20px;
            }
            .comparison-card {
                padding: 20px;
            }
            .hero-section {
                min-height: 580px;
            }
            .hero-search-box {
                max-width: 100%;
            }
            .hero-search-box input {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 4px 12px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .icon-matrix-item {
                padding: 12px 10px;
            }
            .icon-matrix-item .icon-emoji {
                font-size: 22px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px;
            }
            .news-date {
                text-align: left;
                min-width: auto;
                max-width: none;
            }
            .service-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px;
            }
            .service-row .service-img {
                width: 100%;
                height: 120px;
            }
            .section-title {
                font-size: 20px;
            }
            .metrics-board {
                grid-template-columns: repeat(2, 1fr);
            }
            .btn {
                font-size: 14px;
                padding: 8px 18px;
                min-height: 38px;
            }
            .btn-lg {
                font-size: 15px;
                padding: 10px 24px;
                min-height: 44px;
            }
            .brand-intro-img {
                height: 150px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px 16px;
            }
            .cta-form-box {
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #10231E;
  --primary-2: #141816;
  --accent: #C8F04B;
  --gold: #C89B5A;
  --bg: #F5F2EA;
  --dark-bg: #0F1713;
  --text: #1B211D;
  --text-secondary: #55605A;
  --text-light: #D9DDD9;
  --border: rgba(11, 43, 34, 0.08);
  --border-strong: rgba(11, 43, 34, 0.16);
  --radius: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
  --spacing-section: 64px;
  --spacing-section-mobile: 40px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-numeric: 'Source Sans 3', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
  --nav-height: 68px;
  --container-max: 1200px;
  --container-pad: 28px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.8;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--accent);
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

input,
select,
textarea {
  border: 1px solid #C9CECB;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  font-size: 15px;
  background-color: #fff;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
  background-color: rgba(200, 240, 75, 0.05);
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ========== HEADER / NAV ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(16, 35, 30, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200, 240, 75, 0.12);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(16, 35, 30, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
}

.nav-logo-block {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  line-height: 1.2;
}

.nav-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  flex-shrink: 0;
}

.nav-channels {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 16px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links-desktop a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-links-desktop a:hover {
  color: var(--accent);
  background-color: rgba(200, 240, 75, 0.08);
}

.nav-links-desktop a.active {
  color: var(--primary);
  background-color: var(--accent);
  font-weight: 700;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  min-width: 180px;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-search:focus-within {
  border-color: var(--accent);
  background-color: rgba(255, 255, 255, 0.12);
}

.nav-search .search-icon {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
}

.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 13px;
  padding: 0;
  width: 100%;
  min-width: 0;
}

.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.nav-search input:focus {
  box-shadow: none;
  background: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-pill);
  padding: 10px 22px;
  transition: all var(--transition-fast);
  line-height: 1.4;
  cursor: pointer;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--gold);
  color: #0F1713;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: rgba(16, 35, 30, 0.4);
}

.btn-outline:hover {
  background-color: rgba(16, 35, 30, 0.08);
  color: var(--primary);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 13px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.hamburger:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 999;
}

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

.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--nav-height);
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--primary);
  z-index: 1000;
  padding: 24px 20px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  border-left: 1px solid rgba(200, 240, 75, 0.15);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer a {
  display: block;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: all var(--transition-fast);
}

.mobile-drawer a:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--accent);
}

.mobile-drawer a.active {
  background-color: var(--accent);
  color: var(--primary);
  font-weight: 700;
}

/* ========== MAIN ========== */
main {
  flex: 1;
  padding-top: var(--nav-height);
}

/* ========== BREADCRUMB ========== */
.breadcrumb {
  padding: 18px 0 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.breadcrumb .separator {
  margin: 0 8px;
  color: #B0B8B3;
}

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

/* ========== CATEGORY HERO ========== */
.category-hero {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 35, 30, 0.25) 0%, rgba(16, 35, 30, 0.75) 55%, rgba(16, 35, 30, 0.92) 100%);
  z-index: 1;
}

.category-hero-content {
  position: relative;
  z-index: 2;
  padding: 48px 40px 36px;
  color: #fff;
  width: 100%;
}

.category-hero-content .tag {
  display: inline-block;
  background-color: var(--accent);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.category-hero-content h1 {
  font-size: 38px;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.category-hero-content .hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 680px;
}

/* ========== TOOLBAR ========== */
.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.filter-btn {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.filter-btn.active-filter {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.filter-select {
  width: auto;
  padding: 6px 12px;
  font-size: 13px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}

/* ========== NEWS LIST ========== */
.news-list-section {
  margin-bottom: 40px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-list-item {
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow);
  position: relative;
}

.news-list-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-top-color: var(--accent);
  border-top-width: 3px;
}

.news-thumb {
  flex-shrink: 0;
  width: 200px;
  min-height: 150px;
}

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

.news-content-body {
  flex: 1;
  padding: 18px 22px 18px 8px;
  display: flex;
  flex-direction: column;
}

.news-date {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 6px;
}

.news-title-link {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 8px;
  display: inline-block;
  transition: color var(--transition-fast);
}

.news-title-link:hover {
  color: var(--accent);
}

.news-excerpt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 12px;
  flex: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.read-more::after {
  content: '→';
  font-size: 16px;
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--accent);
  gap: 10px;
}

.read-more:hover::after {
  transform: translateX(2px);
}

/* ========== PAGINATION ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: #fff;
}

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

.pagination .page-current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 700;
}

.pagination .page-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--dark-bg);
  color: var(--text-light);
  padding: 56px 0 28px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(217, 221, 217, 0.7);
  margin-bottom: 8px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
}

.footer-column h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column ul li {
  margin-bottom: 8px;
}

.footer-column ul li a {
  font-size: 14px;
  color: rgba(217, 221, 217, 0.7);
  transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(217, 221, 217, 0.5);
}

.footer-bottom a {
  color: rgba(217, 221, 217, 0.7);
  transition: color var(--transition-fast);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .nav-links-desktop {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu-overlay.open {
    display: block;
  }
  .mobile-drawer.open {
    display: block;
  }
  .nav-search {
    min-width: 130px;
  }
  .category-hero-content h1 {
    font-size: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  :root {
    --container-pad: 16px;
  }
  .nav-search {
    display: none;
  }
  .category-hero {
    min-height: 300px;
  }
  .category-hero-content {
    padding: 32px 24px 24px;
  }
  .category-hero-content h1 {
    font-size: 26px;
    line-height: 1.35;
  }
  .category-hero-content .hero-desc {
    font-size: 14px;
  }
  .news-list-item {
    flex-direction: column;
    gap: 0;
  }
  .news-thumb {
    width: 100%;
    min-height: 180px;
    height: 180px;
  }
  .news-content-body {
    padding: 14px 18px 18px;
  }
  .news-title-link {
    font-size: 16px;
  }
  .filter-toolbar {
    padding: 12px 14px;
    gap: 10px;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .nav-logo {
    font-size: 18px;
  }
  .nav-logo .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  .btn-sm {
    padding: 6px 12px;
    font-size: 12px;
  }
  .category-hero-content h1 {
    font-size: 22px;
  }
  .filter-btn {
    padding: 5px 10px;
    font-size: 12px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #10231E;
  --primary-2: #141816;
  --accent: #C8F04B;
  --gold: #C89B5A;
  --bg: #F5F2EA;
  --dark-bg: #0F1713;
  --text: #1B211D;
  --text-secondary: #55605A;
  --text-light: #D9DDD9;
  --border: rgba(11, 43, 34, 0.08);
  --border-strong: rgba(11, 43, 34, 0.16);
  --radius: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
  --spacing-section: 64px;
  --spacing-section-mobile: 40px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-numeric: 'Source Sans 3', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
  --nav-height: 68px;
  --container-max: 1200px;
  --container-pad: 28px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.8;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-weight: 400;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--accent);
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

input,
select,
textarea {
  border: 1px solid #C9CECB;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  font-size: 15px;
  background-color: #fff;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
  background-color: rgba(200, 240, 75, 0.05);
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ========== HEADER / NAV ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(16, 35, 30, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200, 240, 75, 0.12);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(16, 35, 30, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
}

.nav-logo-block {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  line-height: 1.2;
}

.nav-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  flex-shrink: 0;
}

.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links-desktop a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.nav-links-desktop a:hover {
  color: var(--accent);
  background-color: rgba(200, 240, 75, 0.08);
}

.nav-links-desktop a.active {
  color: var(--primary);
  background-color: var(--accent);
  font-weight: 600;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-search:focus-within {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.15);
}

.nav-search .search-icon {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1;
}

.nav-search input {
  background: transparent;
  border: none;
  padding: 0;
  color: #fff;
  font-size: 13px;
  width: 140px;
  line-height: 1.6;
}

.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.nav-search input:focus {
  box-shadow: none;
  background: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  text-align: center;
  line-height: 1.4;
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--gold);
  color: var(--primary-2);
  box-shadow: 0 8px 24px rgba(200, 240, 75, 0.3);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(200, 240, 75, 0.2);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(16, 35, 30, 0.1);
  color: var(--primary);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(16, 35, 30, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999;
  padding: 16px 24px 24px;
  border-bottom: 1px solid rgba(200, 240, 75, 0.12);
  flex-direction: column;
  gap: 4px;
}

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

.mobile-menu a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-menu a:hover {
  background: rgba(200, 240, 75, 0.1);
  color: var(--accent);
}

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

/* ========== PAGE HEADER ========== */
.page-header {
  padding-top: calc(var(--nav-height) + 24px);
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark-bg) 60%, #1a2a24 100%);
  position: relative;
  overflow: hidden;
  min-height: 360px;
  display: flex;
  align-items: center;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 1;
}

.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 35, 30, 0.3) 0%, rgba(16, 35, 30, 0.85) 100%);
  z-index: 2;
}

.page-header .container {
  position: relative;
  z-index: 3;
  width: 100%;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

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

.breadcrumb .separator {
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
}

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

.page-header h1 {
  font-size: 44px;
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.page-header .page-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  line-height: 1.7;
}

.page-header .header-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.page-header .btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

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

/* ========== SECTION STYLES ========== */
.section {
  padding: var(--spacing-section) 0;
}

.section-alt {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-dark {
  background: var(--dark-bg);
  color: var(--text-light);
}

.section-title {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -0.3px;
  margin-bottom: 12px;
}

.section-dark .section-title {
  color: #fff;
}

.section-lead {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.section-dark .section-lead {
  color: rgba(255, 255, 255, 0.7);
}

/* ========== METRICS BAND ========== */
.metrics-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.metric-cell {
  padding: 28px 24px;
  border-right: 1px solid var(--border);
  text-align: left;
}

.metric-cell:last-child {
  border-right: none;
}

.metric-number {
  font-family: var(--font-numeric);
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -1px;
}

.metric-number .unit {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-left: 2px;
}

.metric-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 6px;
  line-height: 1.5;
}

.metrics-note {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 20px;
  padding: 16px 20px;
  background: rgba(200, 240, 75, 0.08);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ========== SERVICE GRID / CARDS ========== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 240, 75, 0.5);
  border-top: 3px solid var(--accent);
}

.service-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(16, 35, 30, 0.06);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
}

.service-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
}

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

.service-card .card-link:hover {
  color: var(--gold);
  gap: 10px;
}

/* ========== TOOLBAR / FILTER ========== */
.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-right: 4px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.filter-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.filter-sort {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-sort select {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  font-size: 14px;
  background: #fff;
  cursor: pointer;
  min-width: 120px;
  width: auto;
}

/* ========== DATA LIST ========== */
.data-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.data-item {
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.data-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--accent);
}

.data-thumb {
  width: 160px;
  height: 120px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg);
}

.data-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.data-item:hover .data-thumb img {
  transform: scale(1.05);
}

.data-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.data-date {
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.3px;
}

.data-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.data-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.data-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.data-more:hover {
  color: var(--gold);
  gap: 8px;
}

/* ========== PAGINATION ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  background: #fff;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.pagination .active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
}

.pagination .disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ========== FAQ ========== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

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

.faq-item.active {
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  transition: color var(--transition-fast);
  user-select: none;
}

.faq-question .faq-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: rgba(200, 240, 75, 0.2);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.faq-question .faq-arrow {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-secondary);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question .faq-arrow {
  transform: rotate(180deg);
  color: var(--gold);
}

.faq-answer {
  padding: 0 24px 18px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  display: none;
}

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

/* ========== CTA SECTION ========== */
.cta-section {
  padding: var(--spacing-section) 0;
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

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

.cta-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.cta-info h2 {
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
}

.cta-info p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
}

.cta-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-xl);
}

.cta-form h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  font-size: 14px;
}

.cta-form button[type="submit"] {
  width: 100%;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cta-form button[type="submit"]:hover {
  background: var(--gold);
  box-shadow: 0 8px 20px rgba(200, 240, 75, 0.35);
  transform: translateY(-1px);
}

.cta-form button[type="submit"]:active {
  transform: translateY(0);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--dark-bg);
  color: var(--text-light);
  padding: 48px 0 32px;
  border-top: 1px solid rgba(200, 240, 75, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand .footer-logo {
  font-size: 20px;
  font-weight: 900;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-brand .footer-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(217, 221, 217, 0.65);
  line-height: 1.7;
  margin-bottom: 6px;
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-column ul li a {
  font-size: 14px;
  color: rgba(217, 221, 217, 0.65);
  transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(217, 221, 217, 0.15);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(217, 221, 217, 0.55);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: rgba(217, 221, 217, 0.65);
  transition: color var(--transition-fast);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .nav-links-desktop {
    gap: 2px;
  }

  .nav-links-desktop a {
    font-size: 13px;
    padding: 6px 8px;
  }

  .nav-search input {
    width: 100px;
  }

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

  .metric-cell:nth-child(2) {
    border-right: none;
  }

  .metric-cell:nth-child(1),
  .metric-cell:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }

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

  .cta-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .nav-links-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-search {
    display: none;
  }

  .nav-right .btn {
    display: none;
  }

  .page-header {
    min-height: 280px;
  }

  .page-header h1 {
    font-size: 32px;
  }

  .page-header .page-subtitle {
    font-size: 15px;
  }

  .section {
    padding: var(--spacing-section-mobile) 0;
  }

  .section-title {
    font-size: 24px;
  }

  .data-item {
    flex-direction: column;
    gap: 14px;
  }

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

  .filter-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .metrics-band {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-cell {
    padding: 18px 16px;
  }

  .metric-number {
    font-size: 30px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .pagination a,
  .pagination span {
    min-width: 34px;
    height: 34px;
    padding: 0 8px;
    font-size: 12px;
  }

  .page-header h1 {
    font-size: 28px;
  }

  .cta-form {
    padding: 20px;
  }
}

@media (max-width: 380px) {
  .metrics-band {
    grid-template-columns: 1fr;
  }

  .metric-cell {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .metric-cell:last-child {
    border-bottom: none;
  }
}

/* roulang page: category3 */
:root {
            --primary: #10231E;
            --primary-2: #141816;
            --accent: #C8F04B;
            --gold: #C89B5A;
            --bg: #F5F2EA;
            --dark-bg: #0F1713;
            --text: #1B211D;
            --text-secondary: #55605A;
            --text-light: #D9DDD9;
            --border: rgba(11, 43, 34, 0.08);
            --border-strong: rgba(11, 43, 34, 0.16);
            --radius: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-numeric: 'Source Sans 3', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --nav-height: 68px;
            --container-max: 1200px;
            --container-pad: 28px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.8;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-weight: 400;
            min-height: 100vh;
            margin: 0;
            padding: 0;
            padding-top: var(--nav-height);
        }

        * {
            box-sizing: border-box;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            border: 1px solid #C9CECB;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
            font-size: 15px;
            background-color: #fff;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
            background-color: rgba(200, 240, 75, 0.05);
            outline: none;
        }

        textarea {
            resize: vertical;
            min-height: 100px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(16, 35, 30, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(200, 240, 75, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(16, 35, 30, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            height: 100%;
        }

        .nav-logo-block {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 2px;
            margin-left: 16px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

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

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-links-desktop a:hover {
            color: var(--accent);
            background-color: rgba(200, 240, 75, 0.08);
        }

        .nav-links-desktop a.active {
            color: var(--accent);
            background-color: rgba(200, 240, 75, 0.12);
            font-weight: 700;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-pill);
            padding: 6px 12px;
            min-width: 180px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.12);
        }

        .nav-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }

        .nav-search input {
            background: transparent;
            border: none;
            padding: 4px 0;
            color: #fff;
            font-size: 13px;
            width: 100%;
            outline: none;
            box-shadow: none;
            border-radius: 0;
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .nav-search input:focus {
            box-shadow: none;
            background: transparent;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 15px;
            padding: 10px 22px;
            transition: all var(--transition-fast);
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--gold);
            color: var(--primary-2);
            border-color: var(--gold);
            box-shadow: 0 8px 24px rgba(200, 155, 90, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 155, 90, 0.25);
        }

        .btn-sm {
            font-size: 13px;
            padding: 6px 16px;
            height: 36px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border-strong);
        }

        .btn-secondary:hover {
            background: rgba(16, 35, 30, 0.08);
            border-color: var(--primary);
            color: var(--primary);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile drawer */
        .nav-mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 19, 0.98);
            z-index: 999;
            padding: 20px var(--container-pad);
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }

        .nav-mobile-drawer.open {
            display: flex;
        }

        .nav-mobile-drawer a {
            display: block;
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            font-weight: 500;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .nav-mobile-drawer a:hover,
        .nav-mobile-drawer a.active {
            color: var(--accent);
            background-color: rgba(200, 240, 75, 0.1);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--primary);
            padding: 16px 0;
            border-bottom: 1px solid rgba(200, 240, 75, 0.08);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.35);
        }

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

        /* ========== HERO BANNER ========== */
        .category-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 35, 30, 0.88) 0%, rgba(16, 35, 30, 0.65) 50%, rgba(15, 23, 19, 0.82) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .category-hero-badge {
            display: inline-block;
            background: rgba(200, 240, 75, 0.15);
            border: 1px solid rgba(200, 240, 75, 0.35);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .category-hero h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin: 0 0 16px;
            line-height: 1.25;
        }

        .category-hero p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            max-width: 620px;
            margin: 0;
            line-height: 1.9;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: var(--dark-bg);
            color: var(--text-light);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 8px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 32px;
            max-width: 680px;
            line-height: 1.85;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 12px;
        }

        /* ========== FEATURE GRID ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--accent);
            transition: height var(--transition-base);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }

        .feature-card:hover::before {
            height: 100%;
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            background: rgba(200, 240, 75, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--primary);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }

        /* ========== TOOLBAR ========== */
        .toolbar-section {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: var(--nav-height);
            z-index: 50;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }

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

        .toolbar-filters {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-strong);
            color: var(--text-secondary);
            background: transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(16, 35, 30, 0.04);
        }

        .filter-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .toolbar-sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .toolbar-sort label {
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .toolbar-sort select {
            width: auto;
            padding: 7px 32px 7px 14px;
            font-size: 13px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-strong);
            background-color: #fff;
            color: var(--text);
            cursor: pointer;
            appearance: auto;
        }

        /* ========== CONTENT LIST ========== */
        .content-list-section {
            background: var(--bg);
            padding: 40px 0 56px;
        }

        .content-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .content-list-item {
            display: flex;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px;
            box-shadow: var(--shadow);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .content-list-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--accent);
            transition: height var(--transition-base);
            z-index: 1;
        }

        .content-list-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }

        .content-list-item:hover::before {
            height: 100%;
        }

        .list-item-thumb {
            flex-shrink: 0;
            width: 160px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
        }

        .list-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .content-list-item:hover .list-item-thumb img {
            transform: scale(1.05);
        }

        .list-item-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }

        .list-item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .list-item-date {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .list-item-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--gold);
            background: rgba(200, 155, 90, 0.1);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }

        .list-item-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-item-title a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .list-item-title a:hover {
            color: var(--accent);
        }

        .list-item-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-item-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
            align-self: flex-start;
            transition: color var(--transition-fast);
        }

        .list-item-link:hover {
            color: var(--accent);
        }

        .list-item-link .arrow {
            transition: transform var(--transition-fast);
        }

        .list-item-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== PAGINATION ========== */
        .pagination-section {
            padding: 24px 0 48px;
            background: var(--bg);
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-strong);
            background: #fff;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(16, 35, 30, 0.04);
        }

        .pagination-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 700;
        }

        .pagination-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
            padding: var(--spacing-section) 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }

        .faq-item.open {
            box-shadow: var(--shadow);
            border-color: var(--border-strong);
        }

        .faq-item.open::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            width: 4px;
            background: var(--accent);
            z-index: 1;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            transition: color var(--transition-fast);
            user-select: none;
            width: 100%;
            text-align: left;
            background: transparent;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(16, 35, 30, 0.05);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition-fast);
            color: var(--text-secondary);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            background: var(--bg);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.85;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--dark-bg);
            padding: var(--spacing-section) 0;
            color: var(--text-light);
        }

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

        .cta-info .section-title {
            color: #fff;
        }

        .cta-info p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.85;
            margin: 0 0 24px;
            max-width: 480px;
        }

        .cta-secure-note {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 28px;
            backdrop-filter: blur(8px);
        }

        .cta-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .cta-form .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .cta-form .form-field.full {
            grid-column: 1 / -1;
        }

        .cta-form label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 15px;
            min-height: 44px;
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-form select {
            appearance: auto;
            cursor: pointer;
        }

        .cta-form select option {
            background: var(--primary);
            color: #fff;
        }

        .cta-submit-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 8px;
        }

        .cta-submit-row .btn {
            flex-shrink: 0;
        }

        .cta-form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-2);
            color: var(--text-light);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(200, 240, 75, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(217, 221, 217, 0.7);
            margin: 0;
            line-height: 1.75;
        }

        .footer-column h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

        .footer-column ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-column ul li a {
            font-size: 13px;
            color: rgba(217, 221, 217, 0.75);
            transition: color var(--transition-fast);
        }

        .footer-column ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(217, 221, 217, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(217, 221, 217, 0.55);
            margin: 0;
        }

        .footer-bottom a {
            color: rgba(217, 221, 217, 0.7);
            font-size: 12px;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

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

            .nav-search {
                min-width: 140px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --container-pad: 18px;
                --spacing-section: 40px;
            }

            .nav-links-desktop {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-mobile-drawer {
                display: none;
            }

            .nav-mobile-drawer.open {
                display: flex;
            }

            .category-hero {
                min-height: 260px;
            }

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

            .category-hero p {
                font-size: 14px;
            }

            .section-title {
                font-size: 22px;
            }

            .content-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }

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

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

            .cta-form .form-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .cta-submit-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 14px;
            }

            .nav-logo {
                font-size: 18px;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .category-hero {
                min-height: 220px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .pagination-btn {
                min-width: 34px;
                height: 34px;
                padding: 0 10px;
                font-size: 12px;
            }

            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }

            .cta-form {
                padding: 18px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #10231E;
            --primary-2: #141816;
            --accent: #C8F04B;
            --gold: #C89B5A;
            --bg: #F5F2EA;
            --dark-bg: #0F1713;
            --text: #1B211D;
            --text-secondary: #55605A;
            --text-light: #D9DDD9;
            --border: rgba(11, 43, 34, 0.08);
            --border-strong: rgba(11, 43, 34, 0.16);
            --radius: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-numeric: 'Source Sans 3', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --nav-height: 68px;
            --container-max: 1200px;
            --container-pad: 28px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.8;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-weight: 400;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            border: 1px solid #C9CECB;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
            font-size: 15px;
            background-color: #fff;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
            background-color: rgba(200, 240, 75, 0.05);
            outline: none;
        }

        textarea {
            resize: vertical;
            min-height: 100px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(16, 35, 30, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(200, 240, 75, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(16, 35, 30, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            height: 100%;
        }

        .nav-logo-block {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            line-height: 1.2;
        }
        .nav-logo:hover {
            color: #fff;
            opacity: 0.9;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-links-desktop a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links-desktop a.active {
            color: var(--accent);
            background-color: rgba(200, 240, 75, 0.1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-pill);
            padding: 6px 12px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.12);
        }
        .nav-search .search-icon {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-search input {
            background: transparent;
            border: none;
            padding: 4px 0;
            color: #fff;
            font-size: 13px;
            width: 140px;
            border-radius: 0;
            box-shadow: none;
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .nav-search input:focus {
            background: transparent;
            box-shadow: none;
            border: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-size: 15px;
            transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            line-height: 1.4;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--gold);
            color: var(--primary-2);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid rgba(16, 35, 30, 0.3);
        }
        .btn-secondary:hover {
            background: rgba(16, 35, 30, 0.08);
            color: var(--primary);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== MOBILE DRAWER ========== */
        .mobile-drawer {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 19, 0.98);
            z-index: 999;
            display: flex;
            flex-direction: column;
            padding: 24px var(--container-pad);
            gap: 8px;
            transform: translateX(-100%);
            transition: transform var(--transition-base);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer a {
            display: block;
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            font-weight: 500;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .mobile-drawer a:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .mobile-drawer a.active {
            color: var(--accent);
            background-color: rgba(200, 240, 75, 0.1);
        }
        .mobile-drawer .drawer-search {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
        }
        .mobile-drawer .drawer-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 15px;
            width: 100%;
            padding: 4px 0;
            border-radius: 0;
            box-shadow: none;
        }
        .mobile-drawer .drawer-search input:focus {
            background: transparent;
            box-shadow: none;
            border: none;
        }
        .mobile-drawer .drawer-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .drawer-overlay {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }
        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            padding-top: calc(var(--nav-height) + 20px);
            padding-bottom: 8px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #B8BFBB;
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 35, 30, 0.88) 0%, rgba(16, 35, 30, 0.55) 55%, rgba(16, 35, 30, 0.75) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .category-hero-content {
            max-width: 760px;
        }
        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 240, 75, 0.18);
            color: var(--accent);
            border: 1px solid rgba(200, 240, 75, 0.3);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.25;
            margin: 0 0 16px;
            color: #fff;
        }
        .category-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            line-height: 1.9;
            margin: 0 0 24px;
        }
        .category-hero .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-actions .btn-secondary {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .hero-meta-strip {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .hero-meta-strip span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta-strip strong {
            color: var(--accent);
            font-weight: 700;
            font-family: var(--font-numeric);
        }

        /* ========== TOOLBAR ========== */
        .filter-toolbar-section {
            padding: 24px 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .filter-group label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }
        .filter-group select {
            width: auto;
            min-width: 140px;
            padding: 8px 32px 8px 12px;
            font-size: 13px;
            border-radius: var(--radius-sm);
            background-color: var(--bg);
            border-color: var(--border-strong);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2355605A' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .filter-group select:focus {
            background-color: #fff;
        }
        .filter-toolbar .toolbar-search {
            flex: 1;
            min-width: 200px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 40px;
        }
        .filter-toolbar .toolbar-search input {
            background: transparent;
            border: none;
            box-shadow: none;
            padding: 6px 0;
            font-size: 13px;
            border-radius: 0;
        }
        .filter-toolbar .toolbar-search input:focus {
            background: transparent;
            box-shadow: none;
            border: none;
        }
        .filter-toolbar .toolbar-search .search-icon {
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .filter-toolbar .btn {
            height: 40px;
            padding: 8px 20px;
            font-size: 13px;
        }
        .filter-count {
            font-size: 13px;
            color: var(--text-secondary);
            margin-left: auto;
            white-space: nowrap;
        }
        .filter-count strong {
            color: var(--primary);
            font-weight: 700;
        }

        /* ========== LIST SECTION ========== */
        .list-section {
            padding: var(--spacing-section) 0;
            background: var(--bg);
        }
        .list-section-header {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .list-section-header h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin: 0;
            color: var(--primary);
        }
        .list-section-header p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 4px 0 0;
        }

        .tool-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .tool-list-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px;
            box-shadow: var(--shadow);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            position: relative;
        }
        .tool-list-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: rgba(200, 240, 75, 0.3);
        }
        .tool-list-item:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10%;
            bottom: 10%;
            width: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .tool-thumb {
            width: 160px;
            height: 120px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg);
            position: relative;
        }
        .tool-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .tool-list-item:hover .tool-thumb img {
            transform: scale(1.05);
        }
        .tool-thumb .thumb-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--primary);
            color: var(--accent);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }
        .tool-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .tool-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .tool-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .tool-meta .category-tag {
            background: rgba(200, 240, 75, 0.15);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            font-weight: 500;
        }
        .tool-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
            letter-spacing: -0.2px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .tool-content h3 a:hover {
            color: var(--primary);
        }
        .tool-content .summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .tool-content .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition-fast), gap var(--transition-fast);
            white-space: nowrap;
            align-self: flex-start;
        }
        .tool-content .read-more-link:hover {
            color: var(--gold);
            gap: 8px;
        }
        .tool-content .read-more-link .arrow {
            transition: transform var(--transition-fast);
            display: inline-block;
        }
        .tool-content .read-more-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text);
            transition: all var(--transition-fast);
        }
        .pagination a:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(200, 240, 75, 0.08);
        }
        .pagination .current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== DEPTH CONTENT ========== */
        .depth-section {
            padding: var(--spacing-section) 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .depth-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .depth-intro {
            font-size: 15px;
            line-height: 2;
            color: var(--text-secondary);
            margin: 0 0 20px;
        }
        .depth-intro strong {
            color: var(--primary);
            font-weight: 700;
        }
        .depth-scenarios {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 20px;
        }
        .scenario-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .scenario-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(200, 240, 75, 0.3);
        }
        .scenario-num {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
            font-family: var(--font-numeric);
        }
        .scenario-content h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text);
        }
        .scenario-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .depth-stats-panel {
            background: var(--dark-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            color: #fff;
        }
        .depth-stats-panel h3 {
            font-size: 20px;
            font-weight: 800;
            margin: 0 0 20px;
            color: #fff;
            letter-spacing: -0.3px;
        }
        .depth-stats-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .depth-stat-item {
            display: flex;
            align-items: baseline;
            gap: 12px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .depth-stat-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .depth-stat-value {
            font-family: var(--font-numeric);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            white-space: nowrap;
        }
        .depth-stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--bg);
        }
        .faq-section .section-header {
            margin-bottom: 28px;
        }
        .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin: 0 0 8px;
            color: var(--primary);
        }
        .section-header p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 560px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item.open {
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition-fast);
            text-align: left;
            width: 100%;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-section) 0;
            background: var(--dark-bg);
            color: #fff;
        }
        .cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-text h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin: 0 0 12px;
            color: #fff;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.9;
            margin: 0 0 8px;
            max-width: 480px;
        }
        .cta-text .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 28px;
        }
        .cta-form h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 16px;
            color: #fff;
        }
        .cta-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 14px;
        }
        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .cta-form label {
            font-size: 12px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.3px;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 14px;
            padding: 10px 14px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.2);
            background-color: rgba(200, 240, 75, 0.06);
        }
        .cta-form select option {
            background: #fff;
            color: var(--text);
        }
        .cta-form .btn {
            width: 100%;
            margin-top: 6px;
            height: 44px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-2);
            color: var(--text-light);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-size: 21px;
            font-weight: 900;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(217, 221, 217, 0.6);
            line-height: 1.7;
            margin: 0 0 6px;
        }
        .footer-column h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-column ul a {
            font-size: 13px;
            color: rgba(217, 221, 217, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-column ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(217, 221, 217, 0.45);
        }
        .footer-bottom a {
            color: rgba(217, 221, 217, 0.45);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --container-pad: 20px;
                --spacing-section: 48px;
            }
            .nav-links-desktop {
                gap: 2px;
            }
            .nav-links-desktop a {
                font-size: 13px;
                padding: 6px 8px;
            }
            .nav-search input {
                width: 100px;
            }
            .depth-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --container-pad: 18px;
            }
            .nav-links-desktop {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-right {
                gap: 8px;
            }
            .nav-right .btn {
                padding: 7px 12px;
                font-size: 12px;
            }
            .category-hero {
                min-height: 320px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .tool-list-item {
                flex-direction: column;
                gap: 14px;
                padding: 14px;
            }
            .tool-thumb {
                width: 100%;
                height: 180px;
            }
            .filter-toolbar {
                gap: 10px;
            }
            .filter-group select {
                min-width: 120px;
            }
            .cta-form .form-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .list-section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 14px;
                --spacing-section: 32px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 17px;
            }
            .nav-right .btn {
                display: none;
            }
            .category-hero {
                min-height: 280px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .tool-thumb {
                height: 150px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                width: 100%;
            }
            .filter-group select {
                width: 100%;
                min-width: 0;
            }
            .filter-toolbar .toolbar-search {
                width: 100%;
            }
            .filter-count {
                margin-left: 0;
            }
            .pagination a,
            .pagination span {
                min-width: 32px;
                height: 32px;
                font-size: 12px;
                padding: 0 6px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #10231E;
            --primary-2: #141816;
            --accent: #C8F04B;
            --gold: #C89B5A;
            --bg: #F5F2EA;
            --dark-bg: #0F1713;
            --text: #1B211D;
            --text-secondary: #55605A;
            --text-light: #D9DDD9;
            --border: rgba(11, 43, 34, 0.08);
            --border-strong: rgba(11, 43, 34, 0.16);
            --radius: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-numeric: 'Source Sans 3', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --nav-height: 68px;
            --container-max: 1200px;
            --container-pad: 28px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.8;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-weight: 400;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            border: 1px solid #C9CECB;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
            font-size: 15px;
            background-color: #fff;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
            background-color: rgba(200, 240, 75, 0.05);
            outline: none;
        }

        textarea {
            resize: vertical;
            min-height: 100px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
            width: 100%;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(16, 35, 30, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(200, 240, 75, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(16, 35, 30, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            height: 100%;
        }

        .nav-logo-block {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            line-height: 1.2;
        }
        .nav-logo:hover {
            color: #fff;
            opacity: 0.85;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .nav-links-desktop::-webkit-scrollbar {
            display: none;
        }

        .nav-links-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links-desktop a:hover {
            color: var(--accent);
            background: rgba(200, 240, 75, 0.08);
        }

        .nav-links-desktop a.active {
            color: var(--accent);
            background: rgba(200, 240, 75, 0.14);
            font-weight: 700;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid rgba(200, 240, 75, 0.18);
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .nav-search:hover,
        .nav-search:focus-within {
            border-color: rgba(200, 240, 75, 0.5);
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-search .search-icon {
            color: var(--accent);
            font-size: 15px;
            line-height: 1;
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 0;
            width: 130px;
            color: #fff;
            font-size: 14px;
            outline: none;
            box-shadow: none;
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .nav-search input:focus {
            background: transparent;
            box-shadow: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
            line-height: 1.2;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            height: 44px;
            padding: 0 22px;
            font-size: 15px;
            border: 1px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--gold);
            color: var(--primary-2);
            border-color: var(--gold);
            box-shadow: 0 8px 22px rgba(200, 155, 90, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 155, 90, 0.25);
        }

        .btn-sm {
            height: 36px;
            padding: 0 16px;
            font-size: 14px;
        }

        .btn-outline {
            background: transparent;
            color: var(--text);
            height: 44px;
            padding: 0 22px;
            font-size: 15px;
            border: 1px solid var(--border-strong);
        }
        .btn-outline:hover {
            background: rgba(16, 35, 30, 0.08);
            color: var(--primary);
            border-color: var(--primary);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .hamburger:hover {
            background: rgba(200, 240, 75, 0.1);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-menu-overlay.open {
            display: block;
            opacity: 1;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 300px;
            max-width: 85vw;
            bottom: 0;
            background: var(--primary);
            z-index: 1000;
            padding: 24px 16px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-base);
        }
        .mobile-nav.open {
            transform: translateX(0);
        }
        .mobile-nav a {
            display: block;
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            font-weight: 500;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .mobile-nav a:hover {
            background: rgba(200, 240, 75, 0.1);
            color: var(--accent);
        }
        .mobile-nav a.active {
            color: var(--accent);
            background: rgba(200, 240, 75, 0.14);
            font-weight: 700;
        }
        .mobile-nav .nav-close {
            text-align: right;
            margin-bottom: 16px;
        }
        .mobile-nav .nav-close button {
            color: #fff;
            font-size: 28px;
            line-height: 1;
            padding: 8px;
        }

        /* ========== MAIN ========== */
        main {
            flex: 1;
            padding-top: var(--nav-height);
        }

        /* Breadcrumb */
        .breadcrumb {
            background: transparent;
            padding: 20px 0 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--gold);
            font-weight: 700;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            margin-top: 8px;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 35, 30, 0.88) 0%, rgba(16, 35, 30, 0.55) 100%);
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 56px 0;
            max-width: 800px;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(200, 240, 75, 0.2);
            border: 1px solid rgba(200, 240, 75, 0.4);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-family: var(--font-display);
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }
        .page-hero .intro-text {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
        }

        /* Category Intro / Section */
        .category-section {
            padding: 56px 0;
            background: var(--bg);
        }
        .category-section .section-head {
            margin-bottom: 28px;
        }
        .category-section .section-head h2 {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .category-section .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 900px;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
        }
        .filter-toolbar .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .filter-toolbar .filter-chip:hover {
            color: var(--primary);
            border-color: var(--border-strong);
        }
        .filter-toolbar .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-toolbar .sort-select {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .filter-toolbar .sort-select label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 600;
            white-space: nowrap;
        }
        .filter-toolbar .sort-select select {
            width: auto;
            min-width: 130px;
            padding: 8px 36px 8px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            color: var(--text);
            font-size: 14px;
            appearance: auto;
            cursor: pointer;
        }

        /* Announcement List */
        .announcement-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .announcement-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            position: relative;
        }
        .announcement-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(200, 240, 75, 0.4);
        }
        .announcement-item:hover::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 0;
            bottom: 20px;
            width: 3px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }
        .announcement-item .thumb {
            flex-shrink: 0;
            width: 160px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg);
        }
        .announcement-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .announcement-item:hover .thumb img {
            transform: scale(1.04);
        }
        .announcement-item .content {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .announcement-item .meta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .announcement-item .date {
            font-size: 14px;
            color: var(--gold);
            font-weight: 700;
            font-family: var(--font-numeric);
            letter-spacing: 0.3px;
        }
        .announcement-item .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background: rgba(200, 155, 90, 0.15);
            color: #8a6a3f;
        }
        .announcement-item .tag.accent {
            background: rgba(200, 240, 75, 0.2);
            color: #4a6b00;
        }
        .announcement-item h3 {
            font-family: var(--font-display);
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .announcement-item h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }
        .announcement-item h3 a:hover {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: var(--accent);
            text-decoration-thickness: 2px;
        }
        .announcement-item .excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .announcement-item .read-more {
            align-self: flex-start;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast), gap var(--transition-fast);
        }
        .announcement-item .read-more:hover {
            color: var(--gold);
            gap: 10px;
        }
        .announcement-item .read-more .arrow {
            font-size: 18px;
            line-height: 1;
            transition: transform var(--transition-fast);
        }
        .announcement-item .read-more:hover .arrow {
            transform: translateX(3px);
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 40px 0 20px;
            flex-wrap: wrap;
        }
        .pagination .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .pagination .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg);
        }
        .pagination .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination .page-btn.disabled {
            opacity: 0.5;
            pointer-events: none;
        }
        .pagination .page-btn.prev,
        .pagination .page-btn.next {
            padding: 0 16px;
        }

        /* Bottom CTA */
        .cta-section {
            padding: 72px 0;
            background: var(--dark-bg);
            color: #fff;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
        }
        .cta-section .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-section .cta-text {
            max-width: 600px;
        }
        .cta-section .cta-text h2 {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .cta-section .cta-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-section .btn-light {
            background: #fff;
            color: var(--primary);
            height: 46px;
            padding: 0 26px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            border: 1px solid #fff;
            transition: all var(--transition-fast);
        }
        .cta-section .btn-light:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(200, 240, 75, 0.25);
        }
        .cta-section .btn-outline-light {
            background: transparent;
            color: #fff;
            height: 46px;
            padding: 0 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
        }
        .cta-section .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 56px 0 28px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand {
            max-width: 340px;
        }
        .footer-logo {
            font-size: 24px;
            font-weight: 900;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 6px;
        }
        .footer-column h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-column ul li {
            margin-bottom: 8px;
        }
        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
            font-size: 14px;
        }
        .footer-column ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-search input {
                width: 80px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .announcement-item .thumb {
                width: 130px;
                height: 100px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --container-pad: 20px;
                --spacing-section: 48px;
            }
            .nav-links-desktop {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .page-hero {
                min-height: 280px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .intro-text {
                font-size: 16px;
            }
            .category-section {
                padding: 40px 0;
            }
            .announcement-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }
            .announcement-item .thumb {
                width: 100%;
                height: 180px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section .cta-actions {
                width: 100%;
            }
            .cta-section .btn-light,
            .cta-section .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

        @media screen and (max-width: 520px) {
            :root {
                --container-pad: 16px;
                --spacing-section: 32px;
            }
            .page-hero h1 {
                font-size: 26px;
                letter-spacing: -0.2px;
            }
            .page-hero {
                min-height: 240px;
            }
            .announcement-item .thumb {
                height: 150px;
            }
            .announcement-item h3 {
                font-size: 17px;
            }
            .filter-toolbar .sort-select {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .filter-toolbar .sort-select select {
                width: 100%;
            }
            .pagination .page-btn {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
            }
        }

        /* Focus visibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .site-header a:focus-visible,
        .site-header button:focus-visible {
            outline-color: var(--accent);
        }

/* roulang page: category6 */
:root {
            --primary: #10231E;
            --primary-2: #141816;
            --accent: #C8F04B;
            --gold: #C89B5A;
            --bg: #F5F2EA;
            --dark-bg: #0F1713;
            --text: #1B211D;
            --text-secondary: #55605A;
            --text-light: #D9DDD9;
            --border: rgba(11, 43, 34, 0.08);
            --border-strong: rgba(11, 43, 34, 0.16);
            --radius: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-numeric: 'Source Sans 3', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --nav-height: 68px;
            --container-max: 1200px;
            --container-pad: 28px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.8;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-weight: 400;
            min-height: 100vh;
            margin: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            border: 1px solid #C9CECB;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
            font-size: 15px;
            background-color: #fff;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.25);
            background-color: rgba(200, 240, 75, 0.05);
            outline: none;
        }

        textarea {
            resize: vertical;
            min-height: 100px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(16, 35, 30, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(200, 240, 75, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(16, 35, 30, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            height: 100%;
        }

        .nav-logo-block {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
        }

        .nav-links-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            transition: color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--accent);
            background-color: rgba(200, 240, 75, 0.08);
        }

        .nav-links-desktop a.active {
            color: var(--accent);
            background-color: rgba(200, 240, 75, 0.12);
            font-weight: 700;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search .search-icon {
            position: absolute;
            left: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            pointer-events: none;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            color: #fff;
            padding: 8px 14px 8px 32px;
            font-size: 13px;
            width: 170px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast), width var(--transition-base);
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .nav-search input:focus {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 2px rgba(200, 240, 75, 0.2);
            width: 200px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            padding: 10px 22px;
            font-size: 15px;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(200, 240, 75, 0.25);
        }

        .btn-primary:hover {
            background: var(--gold);
            color: var(--primary-2);
            box-shadow: 0 8px 20px rgba(200, 155, 90, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 240, 75, 0.25);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            margin-left: 4px;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding-top: calc(var(--nav-height) + 20px);
            background: var(--bg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 8px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border-strong);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: var(--shadow-lg);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(16, 35, 30, 0.82) 0%, rgba(20, 24, 22, 0.65) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            padding: 40px 48px;
            color: #fff;
        }

        .page-hero-content .tag {
            display: inline-block;
            background: var(--gold);
            color: var(--primary-2);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.4px;
            margin-bottom: 12px;
        }

        .page-hero-content h1 {
            font-size: 38px;
            font-weight: 900;
            letter-spacing: -0.5px;
            line-height: 1.3;
            color: #fff;
            margin: 0 0 12px;
        }

        .page-hero-content .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.8;
        }

        /* ========== INTRO BAR ========== */
        .intro-bar {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 24px;
            margin-bottom: 32px;
            box-shadow: var(--shadow);
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .intro-bar .icon-accent {
            width: 40px;
            height: 40px;
            background: rgba(200, 240, 75, 0.2);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            color: var(--primary);
        }

        .intro-bar p {
            margin: 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== TOOLBAR ========== */
        .toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 20px;
            box-shadow: var(--shadow);
        }

        .toolbar-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .toolbar-tags .filter-tag {
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .toolbar-tags .filter-tag:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(200, 240, 75, 0.1);
        }

        .toolbar-tags .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .toolbar-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .toolbar-sort label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .toolbar-sort select {
            width: auto;
            min-width: 130px;
            padding: 8px 36px 8px 14px;
            font-size: 14px;
            border-radius: var(--radius-sm);
            background-color: #fff;
            border: 1px solid var(--border-strong);
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 2l5 5 5-5' fill='none' stroke='%2355605A' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }

        /* ========== LIST AREA ========== */
        .list-area {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-bottom: 32px;
        }

        .list-item {
            display: grid;
            grid-template-columns: 160px 1fr;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition-base);
            position: relative;
        }

        .list-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }

        .list-item:hover::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--accent);
            z-index: 1;
        }

        .list-item-thumb {
            width: 160px;
            height: 120px;
            object-fit: cover;
            background: #e8e4da;
            display: block;
        }

        .list-item-body {
            padding: 16px 20px 16px 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .list-item-date {
            font-size: 12px;
            font-weight: 500;
            color: var(--gold);
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .list-item-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
            transition: color var(--transition-fast);
        }

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

        .list-item-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }

        .list-item-link {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition-fast);
            padding: 0;
            opacity: 1;
        }

        .list-item-link:hover {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 3px;
            opacity: 1;
        }

        .list-item-link .arrow {
            transition: transform var(--transition-fast);
            font-size: 14px;
        }

        .list-item-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination .page-btn:hover {
            border-color: var(--accent);
            background: rgba(200, 240, 75, 0.1);
            color: var(--primary);
        }

        .pagination .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination .page-btn.prev,
        .pagination .page-btn.next {
            width: auto;
            padding: 0 16px;
            font-weight: 600;
        }

        .pagination .page-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(217, 221, 217, 0.7);
            line-height: 1.7;
            margin: 0 0 6px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            letter-spacing: -0.4px;
        }

        .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .footer-column h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.2px;
        }

        .footer-column ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-column ul a {
            font-size: 13px;
            color: rgba(217, 221, 217, 0.7);
            transition: color var(--transition-fast);
        }

        .footer-column ul a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(217, 221, 217, 0.55);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links-desktop a {
                font-size: 13px;
                padding: 5px 9px;
            }
            .nav-search input {
                width: 130px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-hero-content h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .btn-sm.nav-cta {
                display: none;
            }
            .nav-wrapper {
                padding: 0 16px;
            }
            .page-hero {
                min-height: 240px;
            }
            .page-hero-content {
                padding: 28px 24px;
            }
            .page-hero-content h1 {
                font-size: 26px;
            }
            .page-hero-content .hero-sub {
                font-size: 14px;
            }
            .list-item {
                grid-template-columns: 120px 1fr;
                gap: 14px;
            }
            .list-item-thumb {
                width: 120px;
                height: 100px;
            }
            .list-item-body {
                padding: 12px 14px 12px 0;
            }
            .list-item-title {
                font-size: 15px;
            }
            .list-item-summary {
                font-size: 13px;
                -webkit-line-clamp: 2;
            }
            .toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            :root {
                --spacing-section: 40px;
                --container-pad: 16px;
            }
        }

        @media (max-width: 520px) {
            .page-hero-content h1 {
                font-size: 22px;
                line-height: 1.4;
            }
            .list-item {
                grid-template-columns: 1fr;
            }
            .list-item-thumb {
                width: 100%;
                height: 160px;
            }
            .list-item-body {
                padding: 14px 16px;
            }
            .pagination .page-btn.prev,
            .pagination .page-btn.next {
                padding: 0 10px;
                font-size: 12px;
            }
            .intro-bar {
                flex-direction: column;
                gap: 8px;
                padding: 14px 16px;
            }
            .toolbar-sort {
                width: 100%;
            }
            .toolbar-sort select {
                width: 100%;
            }
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 19, 0.97);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

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

        .mobile-drawer a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            font-weight: 500;
            padding: 14px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--transition-fast);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--accent);
        }

        .mobile-drawer a .drawer-arrow {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.35);
        }

        .mobile-drawer a .drawer-arrow:hover {
            color: var(--accent);
        }