/* roulang page: index */
:root {
            --bg-primary: #0A1930;
            --bg-secondary: #0E2A45;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --accent: #00E5A0;
            --accent-2: #FF7A1A;
            --text-primary: #E6EEF7;
            --text-secondary: #A7B8CC;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --spacer: 88px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--accent);
            opacity: .85;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--spacer) 0;
        }
        .section+.section {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .section-head {
            margin-bottom: 42px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 0;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--accent) 0%, #00C2FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 229, 160, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 229, 160, 0.25);
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 12px 28px;
            transition: all .3s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
        }
        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
        }
        .btn-primary {
            background: var(--accent);
            color: #06242B;
            box-shadow: 0 0 20px rgba(0, 229, 160, 0.35);
        }
        .btn-primary:hover {
            background: #00F0AC;
            color: #06242B;
            box-shadow: 0 0 30px rgba(0, 229, 160, 0.55);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 15px rgba(0, 229, 160, 0.4);
        }
        .btn-glass {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            backdrop-filter: blur(10px);
        }
        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .btn-outline-accent {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }
        .btn-outline-accent:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent);
        }
        .badge-custom {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(0, 229, 160, 0.15);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 160, 0.25);
        }
        .badge-orange {
            background: rgba(255, 122, 26, 0.15);
            color: var(--accent-2);
            border-color: rgba(255, 122, 26, 0.25);
        }
        .text-secondary-custom {
            color: var(--text-secondary);
        }
        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: transparent;
            transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
            border-bottom: 1px solid transparent;
        }
        .site-header.scrolled {
            background: rgba(10, 25, 48, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom-color: var(--glass-border);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .brand:hover {
            color: var(--text-primary);
            opacity: 0.9;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent) 0%, rgba(0, 229, 160, 0.3) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #06242B;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
        }
        .nav-link {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 4px;
            position: relative;
            transition: color .25s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-primary);
            opacity: 1;
        }
        .nav-link.active {
            color: var(--accent);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 229, 160, 0.5);
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid transparent;
            color: var(--text-secondary);
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
        }
        .icon-btn:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(0, 229, 160, 0.2);
        }
        .icon-btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
        }
        .search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-input {
            width: 0;
            padding: 0;
            border: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 14px;
            border-bottom: 2px solid transparent;
            transition: all .35s ease;
            opacity: 0;
        }
        .search-input.open {
            width: 200px;
            padding: 6px 10px;
            opacity: 1;
            border-bottom-color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px 6px 0 0;
        }
        .search-input::placeholder {
            color: var(--text-secondary);
        }
        .search-input:focus {
            outline: none;
            border-bottom-color: var(--accent);
            box-shadow: 0 2px 0 rgba(0, 229, 160, 0.2);
        }
        .trend-wrap {
            position: relative;
        }
        .trend-dropdown {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            min-width: 260px;
            padding: 16px;
            z-index: 100;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all .3s ease;
            background: rgba(14, 42, 69, 0.95);
        }
        .trend-dropdown.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .trend-label {
            font-size: 12px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
            display: block;
        }
        .trend-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .trend-tags a {
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            transition: all .25s ease;
        }
        .trend-tags a:hover {
            background: rgba(0, 229, 160, 0.12);
            border-color: rgba(0, 229, 160, 0.3);
            color: var(--accent);
            opacity: 1;
        }
        .menu-toggle {
            display: none;
        }
        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -360px;
            width: 320px;
            height: 100vh;
            background: rgba(10, 25, 48, 0.98);
            backdrop-filter: blur(20px);
            border-left: 1px solid var(--glass-border);
            z-index: 1100;
            padding: 24px;
            transition: right .4s cubic-bezier(.22, 1, .36, 1);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .drawer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .drawer-close {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 20px;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 32px;
        }
        .drawer-link {
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            transition: all .25s ease;
        }
        .drawer-link:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent);
            opacity: 1;
        }
        .drawer-link.active {
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent);
        }
        .drawer-search {
            margin-bottom: 24px;
        }
        .drawer-search input {
            width: 100%;
            padding: 12px 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            font-size: 14px;
        }
        .drawer-search input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
        }
        .drawer-trends {
            margin-bottom: 24px;
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: all .4s ease;
        }
        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            overflow: hidden;
            padding: 120px 0 80px;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(105deg, #0A1930 0%, rgba(10, 25, 48, 0.88) 45%, rgba(10, 25, 48, 0.55) 75%, rgba(10, 25, 48, 0.4) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding-top: 40px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero-tag i {
            font-size: 12px;
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -1px;
            color: var(--text-primary);
            margin-bottom: 18px;
            text-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
        }
        .hero h1 .text-gradient {
            display: inline-block;
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-secondary);
            opacity: 0.65;
            flex-wrap: wrap;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta i {
            font-size: 12px;
            color: var(--accent);
        }
        .hero-scroll {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--text-secondary);
            font-size: 20px;
            opacity: 0.5;
            animation: float 2s ease-in-out infinite;
            z-index: 2;
        }
        @keyframes float {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(8px);
            }
        }
        /* ========== Pain Points ========== */
        .pain-points {
            background: var(--bg-secondary);
            position: relative;
        }
        .pain-points::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
        }
        .pain-card {
            padding: 32px;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-card);
        }
        .pain-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            opacity: 0;
            transition: opacity .3s ease;
        }
        .pain-card:hover::after {
            opacity: 1;
        }
        .pain-num {
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
            color: rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
            font-variant-numeric: tabular-nums;
            transition: color .3s ease, transform .3s ease;
            display: block;
        }
        .pain-card:hover .pain-num {
            color: var(--accent);
            transform: scale(1.05);
        }
        .pain-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .pain-card p {
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }
        .text-link i {
            transition: transform .25s ease;
            font-size: 12px;
        }
        .text-link:hover {
            color: var(--accent);
            opacity: 0.85;
        }
        .text-link:hover i {
            transform: translateX(4px);
        }
        .section-pain .col-md-6 {
            margin-bottom: 24px;
        }
        /* ========== Solutions ========== */
        .solutions {
            background: var(--bg-primary);
        }
        .solution-card {
            padding: 30px;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.05) 0%, transparent 50%);
            opacity: 0;
            transition: opacity .3s ease;
            pointer-events: none;
        }
        .solution-card:hover::before {
            opacity: 1;
        }
        .solution-featured {
            flex-direction: row;
            align-items: center;
            gap: 32px;
            padding: 36px;
            margin-bottom: 24px;
        }
        .solution-featured .solution-icon {
            width: 72px;
            height: 72px;
            font-size: 28px;
            flex-shrink: 0;
        }
        .solution-featured .solution-body {
            flex: 1;
        }
        .solution-featured .solution-title {
            font-size: 22px;
        }
        .solution-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.15) 0%, rgba(0, 229, 160, 0.04) 100%);
            border: 1px solid rgba(0, 229, 160, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            margin-bottom: 20px;
        }
        .solution-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .solution-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }
        .solution-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .solution-link i {
            font-size: 11px;
            transition: transform .25s ease;
        }
        .solution-link:hover i {
            transform: translateX(4px);
        }
        .solutions .row {
            margin-left: -12px;
            margin-right: -12px;
        }
        .solutions .row>[class*="col-"] {
            padding-left: 12px;
            padding-right: 12px;
        }
        .offset-solution {
            margin-top: 32px;
        }
        @media(min-width:992px) {
            .offset-solution {
                transform: translateX(50%) rotate(-1deg);
            }
        }
        /* ========== Stats ========== */
        .stats-section {
            background: var(--bg-secondary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            padding: 88px 0;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 25, 48, 0.88);
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
        }
        .stat-num {
            font-size: 52px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            text-shadow: 0 0 30px rgba(0, 229, 160, 0.3);
            font-variant-numeric: tabular-nums;
            display: inline-block;
        }
        .stat-num em {
            font-style: normal;
            font-weight: 700;
            color: var(--accent-2);
            font-size: 40px;
            margin-left: 2px;
        }
        .stat-label {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 10px;
            letter-spacing: 0.5px;
        }
        /* ========== Latest Info ========== */
        .latest-section {
            background: var(--bg-primary);
        }
        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-head-row .section-head {
            margin-bottom: 0;
        }
        .view-all {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.2);
            transition: all .25s ease;
        }
        .view-all:hover {
            background: rgba(0, 229, 160, 0.15);
            color: var(--accent);
            opacity: 1;
            transform: translateX(2px);
        }
        .featured-post {
            display: flex;
            gap: 28px;
            padding: 24px;
            margin-bottom: 24px;
            border-radius: var(--radius-card);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .featured-post:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .featured-thumb {
            width: 360px;
            flex-shrink: 0;
            border-radius: 12px;
            overflow: hidden;
            background: var(--bg-secondary);
        }
        .featured-thumb img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .featured-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-content .badge-custom {
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .featured-content h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .featured-content h3 a {
            color: var(--text-primary);
        }
        .featured-content h3 a:hover {
            color: var(--accent);
            opacity: 1;
        }
        .featured-content p {
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .post-meta i {
            font-size: 11px;
            color: var(--accent);
        }
        .compact-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .compact-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px;
            border-radius: var(--radius-card);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            transition: all .25s ease;
        }
        .compact-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(4px);
            border-color: rgba(0, 229, 160, 0.2);
        }
        .compact-thumb {
            width: 100px;
            height: 72px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-secondary);
        }
        .compact-content {
            flex: 1;
            min-width: 0;
        }
        .compact-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .compact-title a {
            color: var(--text-primary);
        }
        .compact-title a:hover {
            color: var(--accent);
            opacity: 1;
        }
        .compact-desc {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .compact-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .empty-state {
            border: 2px dashed rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 15px;
            background: rgba(255, 255, 255, 0.02);
        }
        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-secondary);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 88px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 25, 48, 0.95) 0%, rgba(10, 25, 48, 0.8) 100%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .cta-inner p {
            color: var(--text-secondary);
            font-size: 16px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .privacy-note {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-secondary);
            opacity: 0.6;
        }
        .privacy-note i {
            font-size: 11px;
            color: var(--accent);
        }
        .privacy-note .privacy-toggle {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 12px;
            text-decoration: underline;
            padding: 0;
            opacity: 0.8;
            transition: all .25s ease;
        }
        .privacy-note .privacy-toggle:hover {
            color: var(--accent);
            opacity: 1;
        }
        .privacy-detail {
            max-width: 560px;
            margin: 16px auto 0;
            padding: 16px 20px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            font-size: 13px;
            color: var(--text-secondary);
            display: none;
            text-align: left;
            line-height: 1.7;
        }
        .privacy-detail.show {
            display: block;
        }
        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-primary);
        }
        .accordion-custom {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border) !important;
            border-radius: var(--radius-card) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .accordion-item:not(:first-of-type) {
            border-top: 1px solid var(--glass-border) !important;
        }
        .accordion-item:hover {
            border-color: rgba(0, 229, 160, 0.3) !important;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-primary) !important;
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none !important;
            border-left: 3px solid transparent;
            transition: all .3s ease;
            font-family: inherit;
        }
        .accordion-button:hover {
            border-left-color: var(--accent);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255, 255, 255, 0.04);
            color: var(--accent) !important;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-left-color: var(--accent);
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2300E5A0'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2300E5A0'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transform: rotate(180deg);
        }
        .accordion-body {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.7;
            padding: 20px 24px;
            border-top: 1px solid var(--glass-border);
        }
        /* ========== Footer ========== */
        .site-footer {
            background: #071526;
            border-top: 1px solid var(--glass-border);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all .25s ease;
        }
        .footer-nav a:hover {
            color: var(--accent);
            padding-left: 4px;
            opacity: 1;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 13px;
            opacity: 0.7;
        }
        /* ========== Modal ========== */
        .modal-content {
            background: rgba(10, 25, 48, 0.96);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 18px;
            color: var(--text-primary);
            box-shadow: var(--shadow-card);
        }
        .modal-header {
            border-bottom: 1px solid var(--glass-border);
            padding: 20px 24px;
        }
        .modal-header .modal-title {
            font-size: 18px;
            font-weight: 700;
        }
        .modal-body {
            padding: 24px;
        }
        .btn-close {
            filter: invert(1) grayscale(100%) brightness(200%);
            opacity: 0.6;
        }
        .btn-close:hover {
            opacity: 1;
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .form-control,
        .form-select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            border-radius: var(--radius-input);
            padding: 11px 16px;
            font-size: 14px;
            transition: all .25s ease;
        }
        .form-control::placeholder {
            color: var(--text-secondary);
            opacity: 0.5;
        }
        .form-control:focus,
        .form-select:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
            color: var(--text-primary);
        }
        .form-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .modal .privacy-note {
            margin-top: 16px;
            justify-content: flex-start;
        }
        /* ========== Responsive ========== */
        @media(max-width:1199.98px) {
            .featured-thumb {
                width: 280px;
            }
        }
        @media(max-width:991.98px) {
            :root {
                --spacer: 64px;
            }
            .main-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero {
                padding: 100px 0 60px;
            }
            .solution-featured {
                flex-direction: column;
                align-items: flex-start;
            }
            .solution-featured .solution-icon {
                margin-bottom: 16px;
            }
            .stats-section {
                background-attachment: scroll;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .offset-solution {
                transform: none;
                margin-top: 0;
            }
        }
        @media(max-width:767.98px) {
            :root {
                --spacer: 48px;
            }
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .hero h1 {
                font-size: 30px;
                line-height: 1.3;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-meta {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
            .featured-post {
                flex-direction: column;
                padding: 16px;
            }
            .featured-thumb {
                width: 100%;
                margin-bottom: 16px;
            }
            .featured-thumb img {
                height: 180px;
            }
            .compact-item {
                flex-direction: row;
                padding: 12px;
                gap: 12px;
            }
            .compact-thumb {
                width: 80px;
                height: 60px;
            }
            .compact-desc {
                display: none;
            }
            .compact-title {
                white-space: normal;
                -webkit-line-clamp: 2;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .stat-num {
                font-size: 38px;
            }
            .stat-num em {
                font-size: 28px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .search-input.open {
                width: 140px;
            }
            .solution-featured {
                padding: 20px;
            }
            .pain-card {
                padding: 24px;
            }
            .trend-dropdown {
                position: fixed;
                left: 16px;
                right: 16px;
                top: 72px;
                min-width: 0;
            }
        }
        @media(max-width:575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-text {
                font-size: 15px;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .icon-btn {
                width: 34px;
                height: 34px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-tag {
                font-size: 12px;
            }
            .solution-featured {
                padding: 18px;
            }
            .solution-title {
                font-size: 16px;
            }
            .accordion-button {
                padding: 16px;
                font-size: 15px;
            }
            .accordion-body {
                padding: 14px 16px;
            }
            .modal-body {
                padding: 18px;
            }
            .stat-item {
                padding: 16px 8px;
            }
            .stat-label {
                font-size: 12px;
            }
            .compact-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
        }
        @media(max-width:380px) {
            .brand-text {
                font-size: 13px;
            }
            .header-tools {
                gap: 4px;
            }
            .icon-btn {
                width: 30px;
                height: 30px;
                font-size: 12px;
            }
        }
        @media(prefers-reduced-motion:reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A1930;
            --bg-secondary: #0E2A45;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --accent: #00E5A0;
            --accent-2: #FF7A1A;
            --text-primary: #E6EEF7;
            --text-secondary: #A7B8CC;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 20px rgba(0, 229, 160, 0.35);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: var(--accent);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        a:hover {
            color: #66f5c5;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding: 88px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin: 0;
            position: relative;
        }

        .section-title-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 8px;
            max-width: 640px;
        }

        .section-link {
            font-size: 14px;
            color: var(--accent);
            white-space: nowrap;
            padding-bottom: 4px;
            border-bottom: 1px solid transparent;
        }

        .section-link:hover {
            border-bottom-color: var(--accent);
        }

        .section-link i {
            font-size: 12px;
            margin-left: 4px;
        }

        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            line-height: 1.5;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.9), rgba(0, 200, 140, 0.85));
            color: #062033;
            border-color: rgba(0, 229, 160, 0.6);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary-custom:hover {
            color: #062033;
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 229, 160, 0.55);
        }

        .btn-outline-light-custom {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            color: var(--text-primary);
            border-color: var(--glass-border);
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }

        .btn:active {
            transform: translateY(0) scale(0.98);
        }

        .badge-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }

        .badge-orange {
            color: var(--accent-2);
            background: rgba(255, 122, 26, 0.12);
            border-color: rgba(255, 122, 26, 0.35);
        }

        .text-muted-light {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 12px 0;
            transition: all 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 25, 48, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--glass-border);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            padding: 8px 0;
        }

        .article-page .site-header {
            background: rgba(10, 25, 48, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--glass-border);
        }

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

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.2), rgba(0, 229, 160, 0.06));
            border: 1px solid rgba(0, 229, 160, 0.35);
            border-radius: 10px;
            color: var(--accent);
            font-size: 15px;
            box-shadow: 0 0 14px rgba(0, 229, 160, 0.2);
        }

        .brand-text {
            font-weight: 700;
            white-space: nowrap;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: var(--glass-bg);
        }

        .nav-link.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.2);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .icon-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 15px;
            transition: all 0.25s ease;
        }

        .icon-btn:hover {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.1);
            border-color: rgba(0, 229, 160, 0.3);
        }

        .icon-btn.active {
            color: var(--accent);
            border-color: rgba(0, 229, 160, 0.4);
        }

        .hamburger {
            display: none;
        }

        .header-dropdown {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 320px;
            padding: 20px;
            background: rgba(10, 25, 48, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all 0.3s ease;
        }

        .header-dropdown.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .search-input-wrap {
            position: relative;
        }

        .search-input {
            width: 100%;
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-input);
            color: var(--text-primary);
            padding: 0 14px 0 40px;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .search-input::placeholder {
            color: var(--text-secondary);
        }

        .search-input:focus {
            border-color: var(--accent);
            box-shadow: 0 2px 0 var(--accent);
            background: rgba(255, 255, 255, 0.08);
        }

        .search-icon-left {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 14px;
        }

        .trend-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

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

        .trend-tag {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.25s ease;
        }

        .trend-tag:hover {
            color: var(--accent);
            border-color: rgba(0, 229, 160, 0.4);
            background: rgba(0, 229, 160, 0.08);
        }

        .mob-nav-panel {
            display: none;
        }

        .breadcrumb-bar {
            position: relative;
            padding: 140px 0 40px;
            background: linear-gradient(95deg, rgba(10, 25, 48, 0.95) 20%, rgba(14, 42, 69, 0.6) 100%), url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat;
            border-bottom: 1px solid var(--glass-border);
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            background: transparent;
        }

        .breadcrumb-bar .breadcrumb-item {
            font-size: 14px;
        }

        .breadcrumb-bar .breadcrumb-item a {
            color: var(--text-secondary);
        }

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

        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--text-primary);
        }

        .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.3);
        }

        .article-layout {
            padding: 56px 0 80px;
        }

        .post-card {
            max-width: 860px;
            margin: 0 auto;
            padding: 52px 56px;
            position: relative;
            overflow: hidden;
        }

        .post-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent 80%);
        }

        .post-header {
            margin-bottom: 40px;
            text-align: center;
        }

        .post-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            margin: 0 0 20px;
        }

        .post-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 8px 20px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .post-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .post-meta .meta-item i {
            color: var(--accent);
            font-size: 13px;
        }

        .post-meta .meta-divider {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.25);
            display: inline-block;
        }

        .post-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
        }

        .post-body p {
            margin: 0 0 1.5em;
        }

        .post-body h1,
        .post-body h2,
        .post-body h3,
        .post-body h4 {
            margin: 1.6em 0 0.8em;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .post-body h2 {
            font-size: 26px;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
        }

        .post-body h3 {
            font-size: 20px;
            padding-left: 10px;
            border-left: 3px solid rgba(0, 229, 160, 0.5);
        }

        .post-body a {
            border-bottom: 1px solid rgba(0, 229, 160, 0.4);
            padding-bottom: 1px;
        }

        .post-body a:hover {
            border-bottom-color: var(--accent);
        }

        .post-body img {
            border-radius: var(--radius-card);
            border: 1px solid var(--glass-border);
            margin: 24px 0;
        }

        .post-body blockquote {
            position: relative;
            padding: 20px 24px;
            margin: 28px 0;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            border-left: 4px solid var(--accent);
            box-shadow: 0 0 20px rgba(0, 229, 160, 0.08);
            color: var(--text-secondary);
        }

        .post-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .post-body ul,
        .post-body ol {
            margin: 0 0 1.5em;
            padding-left: 1.5em;
        }

        .post-body li {
            margin-bottom: 0.5em;
        }

        .post-body table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
            border-radius: 8px;
            overflow: hidden;
            font-size: 15px;
        }

        .post-body table thead th {
            background: rgba(0, 229, 160, 0.12);
            color: var(--text-primary);
            font-weight: 600;
            padding: 12px 16px;
            border-bottom: 1px solid rgba(0, 229, 160, 0.2);
        }

        .post-body table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }

        .post-body table tbody tr:nth-child(even) {
            background: rgba(255, 255, 255, 0.03);
        }

        .post-body table tbody tr:hover {
            background: rgba(0, 229, 160, 0.04);
        }

        .post-body hr {
            border-color: var(--glass-border);
            margin: 32px 0;
            opacity: 0.5;
        }

        .post-body .post-cta {
            text-align: center;
            margin: 40px 0 24px;
            padding: 32px;
            background: rgba(0, 229, 160, 0.05);
            border: 1px dashed rgba(0, 229, 160, 0.3);
            border-radius: var(--radius-card);
        }

        .post-cta-text {
            display: block;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .post-cta a {
            font-size: 15px;
        }

        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found i {
            font-size: 50px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            display: block;
        }

        .not-found h2 {
            font-size: 24px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .not-found a {
            display: inline-block;
            margin-top: 20px;
        }

        .related-section {
            padding: 0 0 88px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            overflow: hidden;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 229, 160, 0.3);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
        }

        .related-cover {
            height: 170px;
            overflow: hidden;
            background-color: var(--bg-secondary);
        }

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

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

        .related-content {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-content .badge-tag {
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .related-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .related-title a {
            color: inherit;
        }

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

        .related-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }

        .related-meta a {
            color: var(--accent);
            font-size: 13px;
        }

        .faq-section {
            background: rgba(14, 42, 69, 0.35);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }

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

        .accordion-item {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border) !important;
            border-radius: 14px !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            border-radius: 14px !important;
            text-align: left;
            transition: all 0.3s ease;
            position: relative;
        }

        .accordion-button::after {
            color: var(--accent);
        }

        .accordion-button::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 3px;
            border-radius: 3px;
            background: var(--accent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .accordion-button:hover::before,
        .accordion-button:not(.collapsed)::before {
            opacity: 1;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 229, 160, 0.06);
            color: var(--accent);
            box-shadow: none;
        }

        .accordion-button:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.25);
            border-radius: 14px;
        }

        .accordion-body {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            padding: 8px 24px 24px;
        }

        .cta-section {
            padding: 88px 0;
            position: relative;
            background: linear-gradient(100deg, rgba(10, 25, 48, 0.92), rgba(14, 42, 69, 0.75)), url('/assets/images/backpic/back-2.webp') center 40% / cover no-repeat;
        }

        .cta-box {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            padding: 48px;
            background: rgba(10, 25, 48, 0.6);
            backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .privacy-note {
            margin-top: 28px;
            font-size: 12px;
            color: var(--text-secondary);
            opacity: 0.7;
        }

        .privacy-note i {
            color: var(--accent);
            margin-right: 6px;
        }

        .site-footer {
            background: #071527;
            border-top: 1px solid var(--glass-border);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .brand {
            font-size: 20px;
            margin-bottom: 16px;
            display: inline-flex;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 16px 0 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

        .footer-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .modal-content {
            background: rgba(10, 25, 48, 0.92);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 20px;
            box-shadow: 0 32px 64px rgba(0, 0, 0, 0.5);
        }

        .modal-header {
            border-bottom: 1px solid var(--glass-border);
            padding-bottom: 16px;
        }

        .modal-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .btn-close {
            filter: invert(1) grayscale(100%);
            opacity: 0.6;
        }

        .btn-close:hover {
            opacity: 1;
        }

        .modal-body {
            padding: 24px 0;
        }

        .form-label {
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .form-control,
        .form-select {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-input);
            color: var(--text-primary);
            padding: 12px 16px;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .form-control::placeholder {
            color: rgba(167, 184, 204, 0.5);
        }

        .form-control:focus,
        .form-select:focus {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            color: var(--text-primary);
        }

        .form-select option {
            background: #0E2A45;
            color: var(--text-primary);
        }

        .form-text {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
        }

        .form-text i {
            color: var(--accent);
        }

        @media (max-width: 991.98px) {
            .main-nav {
                display: none;
            }

            .hamburger {
                display: inline-flex;
            }

            .mob-nav-panel {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                padding: 24px;
                background: rgba(10, 25, 48, 0.98);
                backdrop-filter: blur(24px);
                border-bottom: 1px solid var(--glass-border);
                display: flex;
                flex-direction: column;
                gap: 16px;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.35s ease;
                z-index: 1040;
            }

            .mob-nav-panel.show {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .mob-nav-panel .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 16px;
            }

            .mob-nav-panel .search-input-wrap {
                position: relative;
            }

            .mob-trend-tags {
                display: flex;
                flex-wrap: wrap;
                gap: 8px;
                padding-top: 8px;
            }

            .mob-trend-tags .trend-tag {
                color: var(--text-secondary);
                font-size: 13px;
            }

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

            .post-card {
                padding: 36px 28px;
            }

            .post-title {
                font-size: 30px;
            }
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding: 48px 0;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 32px;
            }

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

            .section-title-desc {
                font-size: 14px;
            }

            .breadcrumb-bar {
                padding: 100px 0 28px;
            }

            .related-section .row {
                row-gap: 24px;
            }

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

            .cta-box {
                padding: 28px 20px;
            }

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

            .post-card {
                padding: 28px 18px;
                border-radius: 12px;
            }

            .post-title {
                font-size: 24px;
                line-height: 1.5;
            }

            .post-meta {
                font-size: 12px;
                gap: 6px 12px;
            }

            .post-body {
                font-size: 15px;
            }

            .post-body h2 {
                font-size: 21px;
            }

            .post-body h3 {
                font-size: 18px;
            }

            .post-body table {
                font-size: 13px;
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 16px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .header-actions .icon-btn {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }

            .header-dropdown {
                width: calc(100vw - 32px);
                right: 16px;
            }

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

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

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

/* roulang page: category1 */
:root {
            --bg-primary: #0A1930;
            --bg-secondary: #0E2A45;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --accent: #00E5A0;
            --accent-2: #FF7A1A;
            --text-primary: #E6EEF7;
            --text-secondary: #A7B8CC;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            background: var(--bg-primary);
            color: var(--text-primary);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
        }

        .section {
            padding: 88px 0;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 999px;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 680px;
            margin-bottom: 40px;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: 0;
            line-height: 1.4;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn-accent {
            background: var(--accent);
            color: #0A1930;
            box-shadow: 0 0 20px rgba(0, 229, 160, 0.35);
        }

        .btn-accent:hover {
            background: #2AFFB8;
            color: #0A1930;
            box-shadow: 0 0 28px rgba(0, 229, 160, 0.55);
            transform: translateY(-2px);
        }

        .btn-glass {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            backdrop-filter: blur(12px);
        }

        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.22);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .card-link:focus-visible,
        .text-link:focus-visible,
        .hamburger:focus-visible,
        .accordion-button:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1030;
            background: rgba(10, 25, 48, 0.35);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 25, 48, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--glass-border);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.01em;
            text-decoration: none;
            white-space: nowrap;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.25), rgba(255, 122, 26, 0.25));
            border: 1px solid var(--glass-border);
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            padding: 9px 20px;
            border-radius: 999px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: color 0.3s ease, background 0.3s ease;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.12);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: 0;
            padding: 10px;
            cursor: pointer;
            border-radius: 8px;
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .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 {
            position: fixed;
            top: 68px;
            right: 0;
            width: 300px;
            max-width: 85vw;
            background: rgba(10, 25, 48, 0.96);
            backdrop-filter: blur(20px);
            border-left: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
            padding: 28px 24px;
            z-index: 1029;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            border-radius: 0 0 0 20px;
            box-shadow: -8px 8px 32px rgba(0, 0, 0, 0.35);
        }

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

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-link {
            display: block;
            padding: 14px 18px;
            color: var(--text-primary);
            text-decoration: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            background: var(--glass-bg);
            border: 1px solid transparent;
            transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
        }

        .mobile-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }

        .mobile-link.active {
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent);
            border-color: rgba(0, 229, 160, 0.2);
        }

        .page-hero {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 150px 0 80px;
            background: linear-gradient(135deg, rgba(10, 25, 48, 0.95) 20%, rgba(10, 25, 48, 0.62) 60%, rgba(14, 42, 69, 0.82) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            border-bottom: 1px solid var(--glass-border);
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 30px;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        .breadcrumb-sep {
            opacity: 0.5;
        }

        .breadcrumb-current {
            color: var(--text-primary);
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
            color: var(--text-primary);
            max-width: 760px;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-info {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-secondary);
            opacity: 0.7;
        }

        .hero-info span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .intro-section {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--glass-border);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-text h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .intro-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 16px;
            margin-bottom: 18px;
        }

        .intro-points {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }

        .intro-points li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
        }

        .intro-points li i {
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }

        .intro-image img {
            width: 100%;
            border-radius: var(--radius-card);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .info-cards-section {
            background: var(--bg-primary);
        }

        .cards-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 4px 4px 20px;
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .cards-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .cards-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.18);
            border-radius: 999px;
        }

        .cards-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .info-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            padding: 30px 28px;
            border-radius: var(--radius-card);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .info-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 229, 160, 0.16);
        }

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.2);
            color: var(--accent);
            font-size: 20px;
            margin-bottom: 20px;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .info-card:hover .card-icon {
            transform: scale(1.08);
            background: rgba(0, 229, 160, 0.18);
        }

        .info-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .info-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 18px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: color 0.3s ease, gap 0.3s ease;
        }

        .card-link:hover {
            color: #fff;
            gap: 10px;
        }

        .content-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--glass-border);
        }

        .content-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 8px;
        }

        .content-item {
            display: flex;
            gap: 24px;
            padding: 22px;
            border-radius: var(--radius-card);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .content-item:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 160, 0.35);
        }

        .content-thumb {
            flex: 0 0 220px;
            border-radius: 12px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            min-height: 132px;
        }

        .content-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            filter: saturate(0.9);
            transition: transform 0.4s ease, filter 0.3s ease;
        }

        .content-item:hover .content-thumb img {
            transform: scale(1.04);
            filter: saturate(1.1);
        }

        .content-body {
            flex: 1;
            padding: 4px 2px;
        }

        .content-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(0, 229, 160, 0.14);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 160, 0.28);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .content-meta .time {
            font-size: 13px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .content-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .content-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: color 0.3s ease, gap 0.3s ease;
        }

        .text-link:hover {
            color: #fff;
            gap: 10px;
        }

        .stats-section {
            position: relative;
            background: linear-gradient(135deg, rgba(10, 25, 48, 0.92) 20%, rgba(14, 42, 69, 0.78) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }

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

        .stat-number {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--accent);
            text-shadow: 0 0 24px rgba(0, 229, 160, 0.4);
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
        }

        .stat-number span {
            color: var(--accent-2);
            font-size: 30px;
            font-weight: 700;
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

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

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

        .accordion {
            --bs-accordion-color: var(--text-primary);
            --bs-accordion-bg: transparent;
            --bs-accordion-border-color: var(--glass-border);
            --bs-accordion-btn-color: var(--text-primary);
            --bs-accordion-btn-bg: transparent;
            --bs-accordion-active-color: var(--accent);
            --bs-accordion-active-bg: rgba(0, 229, 160, 0.08);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
            --bs-accordion-body-padding-x: 24px;
            --bs-accordion-body-padding-y: 0 24px 22px;
        }

        .accordion-item {
            border: 1px solid var(--glass-border) !important;
            border-radius: var(--radius-card) !important;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-button {
            padding: 22px 24px;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            background: transparent;
            color: var(--text-primary);
            border: 0;
            text-align: left;
            box-shadow: none;
            transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent);
            box-shadow: none;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300E5A0' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            background-size: 1.1em 1.1em;
            transition: transform 0.3s ease;
        }

        .accordion-button:hover {
            background: rgba(255, 255, 255, 0.05);
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .accordion-body {
            padding: 0 24px 22px;
            color: var(--text-secondary);
            line-height: 1.75;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.03);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .cta-section {
            background: var(--bg-secondary);
            text-align: center;
            border-top: 1px solid var(--glass-border);
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .site-footer {
            background: #071626;
            border-top: 1px solid var(--glass-border);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }

        .footer-brand .brand {
            color: var(--text-primary);
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 18px;
            max-width: 360px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 18px;
            letter-spacing: 0.04em;
        }

        .footer-nav {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .footer-nav a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            text-align: center;
            color: var(--text-secondary);
            font-size: 13px;
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }

            .hamburger {
                display: inline-flex;
            }

            .page-hero {
                padding: 120px 0 64px;
                min-height: auto;
            }

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

            .section {
                padding: 64px 0;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px;
            }

            .content-item {
                flex-direction: column;
            }

            .content-thumb {
                flex: none;
                width: 100%;
                height: 180px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767px) {
            .page-hero {
                padding: 100px 0 48px;
            }

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

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

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                justify-content: center;
            }

            .hero-info {
                gap: 12px;
                flex-direction: column;
            }

            .section {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head p {
                font-size: 15px;
            }

            .intro-text h2 {
                font-size: 24px;
            }

            .intro-text p {
                font-size: 15px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .stat-number {
                font-size: 32px;
            }

            .stat-number span {
                font-size: 22px;
            }

            .stat-label {
                font-size: 13px;
            }

            .content-body h3 {
                font-size: 18px;
            }

            .content-body p {
                font-size: 14px;
            }

            .accordion-button {
                padding: 18px 20px;
                font-size: 15px;
            }

            .accordion-body {
                padding: 0 20px 18px;
                font-size: 14px;
            }

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

            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-buttons .btn {
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                padding: 20px 0;
            }
        }