/* roulang page: index */
:root {
            --primary: #ff5a1f;
            --primary-dark: #e64a15;
            --primary-light: #ff8a3d;
            --secondary: #0b1220;
            --secondary-2: #111c30;
            --accent: #22d3ee;
            --gold: #fbbf24;
            --bg-light: #f8fafc;
            --bg-muted: #eef2f7;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border: #dbe3ec;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(11, 18, 32, .05);
            --shadow-md: 0 10px 28px rgba(11, 18, 32, .08);
            --shadow-lg: 0 18px 48px rgba(11, 18, 32, .14);
            --container: 1200px;
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            color: var(--text-main);
            background: var(--bg-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all .25s ease;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 96px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .06em;
            color: var(--primary);
            background: rgba(255, 90, 31, .08);
            padding: 6px 14px;
            border-radius: 999px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 40px;
            line-height: 1.2;
            font-weight: 800;
            color: var(--secondary);
            margin: 16px 0 12px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 18, 32, .94);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .header-top {
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .logo-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--gold));
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 90, 31, .35);
            flex-shrink: 0;
        }
        .logo-text {
            background: linear-gradient(90deg, #ffffff, #cbd5e1);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box input {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: 9px 40px 9px 18px;
            font-size: 14px;
            color: #fff;
            outline: none;
            width: 220px;
            transition: all .3s;
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, .45);
        }
        .search-box input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, .13);
            width: 260px;
        }
        .search-box button {
            position: absolute;
            right: 6px;
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            padding: 6px 10px;
            transition: color .2s;
        }
        .search-box button:hover {
            color: var(--primary);
        }

        .nav-bar {
            background: rgba(11, 18, 32, .9);
            border-top: 1px solid rgba(255, 255, 255, .05);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            padding: 0 24px;
            scrollbar-width: none;
        }
        .nav-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 20px;
            color: #94a3b8;
            font-size: 14px;
            font-weight: 600;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: all .25s;
        }
        .nav-link i {
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .nav-link.active i {
            color: var(--primary);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 24px;
            font-size: 15px;
            transition: all .3s ease;
            border: 1px solid transparent;
            line-height: 1.2;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 90, 31, .3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(255, 90, 31, .42);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, .4);
            color: #fff;
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 255, 255, .06);
            transform: translateY(-2px);
        }
        .btn-dark {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(11, 18, 32, .2);
        }
        .btn-dark:hover {
            background: #1a2740;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background:
                linear-gradient(115deg, rgba(11, 18, 32, .96) 25%, rgba(17, 28, 48, .78) 70%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            overflow: hidden;
            padding: 80px 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-light), transparent);
            pointer-events: none;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1.3fr .8fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 90, 31, .15);
            border: 1px solid rgba(255, 90, 31, .35);
            color: #ffd0bd;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .hero-badge i {
            color: var(--primary);
        }
        .hero-title {
            font-size: 52px;
            line-height: 1.15;
            font-weight: 900;
            color: #fff;
            margin: 0 0 20px;
            letter-spacing: -.02em;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--primary-light), var(--gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: all .3s;
        }
        .hero-stat:hover {
            border-color: var(--primary);
            background: rgba(255, 90, 31, .08);
            transform: translateY(-4px);
        }
        .hero-stat-value {
            display: block;
            font-size: 38px;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -.02em;
        }
        .hero-stat-value small {
            font-size: 16px;
            color: var(--accent);
            font-weight: 700;
        }
        .hero-stat-label {
            display: block;
            margin-top: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .04em;
        }

        /* Feature Cards */
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 90, 31, .25);
        }
        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(255, 90, 31, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 22px;
            transition: all .35s;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--secondary);
        }
        .feature-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
        }

        /* Category Entry */
        .category-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .category-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 90, 31, .18), transparent 60%);
            border-radius: 50%;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 400px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-lg);
            background: url('/assets/images/coverpic/cover-1.png') center / cover no-repeat;
        }
        .category-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 18, 32, .96) 15%, rgba(11, 18, 32, .2) 100%);
        }
        .category-card-inner {
            position: relative;
            z-index: 1;
            padding: 40px 36px;
            color: #fff;
        }
        .category-card-inner .cat-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: .05em;
            margin-bottom: 14px;
        }
        .category-card-inner h3 {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 8px;
        }
        .category-card-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 420px;
        }
        .category-list-side {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .category-side-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius);
            padding: 18px 20px;
            color: #fff;
            transition: all .3s;
        }
        .category-side-item:hover {
            border-color: var(--primary);
            background: rgba(255, 90, 31, .1);
            transform: translateX(4px);
        }
        .category-side-item i {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 90, 31, .15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .category-side-item span {
            font-size: 15px;
            font-weight: 600;
        }
        .category-side-item small {
            display: block;
            font-size: 12px;
            color: rgba(255, 255, 255, .45);
            font-weight: 400;
            margin-top: 2px;
        }

        /* News Cards */
        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 90, 31, .2);
        }
        .news-card-link {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-muted);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-body {
            padding: 24px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }
        .tag {
            display: inline-block;
            background: rgba(255, 90, 31, .1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .news-meta time {
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--secondary);
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card:hover .news-more {
            gap: 12px;
        }
        .empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
            color: var(--text-muted);
            font-size: 15px;
        }

        /* Stats HUD */
        .stats-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(rgba(255, 255, 255, .02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .02) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        .hud-panel {
            position: relative;
            background: rgba(17, 28, 48, .75);
            border: 1px solid rgba(34, 211, 238, .25);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            backdrop-filter: blur(10px);
            box-shadow: 0 0 50px rgba(34, 211, 238, .05);
        }
        .hud-panel::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 30px;
            right: 30px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }
        .hud-stat {
            text-align: center;
            padding: 20px 10px;
        }
        .hud-stat-value {
            font-size: 44px;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -.02em;
        }
        .hud-stat-value small {
            font-size: 18px;
            color: var(--accent);
            font-weight: 700;
        }
        .hud-stat-label {
            margin-top: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            letter-spacing: .08em;
        }

        /* Steps */
        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            position: relative;
            transition: all .35s;
            box-shadow: var(--shadow-sm);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-num {
            font-size: 48px;
            font-weight: 900;
            line-height: 1;
            background: linear-gradient(135deg, var(--primary), var(--gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 18px;
        }
        .step-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all .3s;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            text-align: left;
        }
        .faq-question i {
            color: var(--primary);
            transition: transform .3s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            margin-top: 0;
            padding-top: 18px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background:
                linear-gradient(120deg, rgba(11, 18, 32, .92), rgba(17, 28, 48, .82)),
                url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            padding: 80px 0;
        }
        .cta-box {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            border-top: 1px solid rgba(255, 255, 255, .05);
            padding: 68px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .06em;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 76px 0;
            }
            .section-title {
                font-size: 34px;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-title {
                font-size: 42px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .search-box {
                display: none;
            }
            .logo {
                font-size: 17px;
            }
            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
            .hero {
                padding: 60px 0;
                min-height: auto;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-stat-value {
                font-size: 28px;
            }
            .hero-stat {
                padding: 16px 10px;
            }
            .category-card-inner {
                padding: 30px 24px;
            }
            .hud-panel {
                padding: 32px 20px;
            }
            .hud-stat-value {
                font-size: 32px;
            }
            .cta-box h2 {
                font-size: 27px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .nav-link {
                padding: 12px 14px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .section-label {
                font-size: 12px;
            }
            .category-section::before {
                display: none;
            }
            .category-list-side {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                padding: 18px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --accent:#f59e0b;
  --dark:#0b1220;
  --dark-soft:#111c33;
  --text:#1e293b;
  --text-weak:#64748b;
  --bg:#f1f5f9;
  --card:#ffffff;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --shadow:0 8px 30px rgba(15,23,42,.10);
  --shadow-lg:0 18px 50px rgba(15,23,42,.16);
  --transition:.25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,textarea{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(15,23,42,.04)}
.header-top{background:linear-gradient(135deg,#0b1220 0%,#14203a 100%)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:11px}
.logo-mark{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff;font-size:20px;font-weight:800;flex-shrink:0;letter-spacing:0}
.logo-text{color:#fff;font-size:17px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 6px 4px 16px;transition:var(--transition)}
.search-box:focus-within{border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.18)}
.search-box input{background:transparent;border:none;outline:none;color:#fff;font-size:13px;width:140px}
.search-box input::placeholder{color:rgba(255,255,255,.55)}
.search-box button{background:linear-gradient(135deg,#2563eb,#06b6d4);border:none;border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;cursor:pointer;transition:var(--transition)}
.search-box button:hover{transform:scale(1.08)}
.nav-bar{background:#fff;border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;gap:6px;height:50px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-link{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-weak);transition:var(--transition);white-space:nowrap}
.nav-link i{font-size:13px}
.nav-link:hover{color:var(--primary);background:#eff6ff}
.nav-link.active{background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.30)}
/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:600;transition:var(--transition);cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff;padding:12px 26px;font-size:15px;box-shadow:0 6px 18px rgba(37,99,235,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(37,99,235,.38)}
.btn-outline{border:1.5px solid #cbd5e1;background:#fff;color:var(--text);padding:10px 22px;font-size:14px}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#f8faff}
.btn-light{background:#fff;color:var(--dark);padding:12px 26px;font-size:15px;box-shadow:0 6px 18px rgba(0,0,0,.16)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:9px}
.btn-accent{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff;padding:12px 26px;font-size:15px;box-shadow:0 6px 18px rgba(245,158,11,.32)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(245,158,11,.40)}
/* ===== Hero / Banner ===== */
.page-hero{position:relative;background:linear-gradient(135deg,#0b1220 0%,#16233d 55%,#1e2f4d 100%);padding:74px 0 64px;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.16;filter:saturate(.8)}
.page-hero::after{content:'';position:absolute;top:-60px;right:-40px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.20),transparent 70%)}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#93c5fd;font-size:13px;font-weight:600;padding:7px 18px;margin-bottom:22px}
.hero-badge i{color:#f59e0b}
.page-hero h1{color:#fff;font-size:42px;font-weight:800;line-height:1.25;letter-spacing:1px;margin-bottom:18px}
.page-hero p{color:#cbd5e1;font-size:17px;max-width:660px;margin:0 auto 30px;line-height:1.8}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
/* ===== Section Base ===== */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-deep{background:linear-gradient(135deg,#0b1220,#14203a);color:#fff}
.section-head{text-align:center;max-width:680px;margin:0 auto 46px}
.section-head .kicker{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:32px;font-weight:800;color:var(--text);line-height:1.35;letter-spacing:.5px}
.section-head p{color:var(--text-weak);font-size:15px;line-height:1.8;margin-top:12px}
.section-deep .section-head h2{color:#fff}
.section-deep .section-head p{color:#cbd5e1}
.section-deep .kicker{color:#93c5fd}
/* ===== Cards ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-cover{position:relative;height:190px;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-cover img{transform:scale(1.05)}
.card-tag{position:absolute;top:14px;left:14px;background:rgba(11,18,32,.78);color:#fff;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.card-body{padding:20px 22px 24px}
.card-body h3{font-size:17px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:10px}
.card-body h3 a:hover{color:var(--primary)}
.card-body p{font-size:14px;color:var(--text-weak);line-height:1.75;margin-bottom:16px}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#94a3b8;border-top:1px solid #f1f5f9;padding-top:14px}
.card-meta .meta-left{display:flex;align-items:center;gap:12px}
.card-meta i{font-size:11px;margin-right:3px}
/* ===== Feature icons ===== */
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:var(--transition)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bfdbfe}
.feature-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;background:#eff6ff;color:var(--primary)}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-weak);line-height:1.75}
/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.step-item{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:var(--transition)}
.step-item:hover{background:rgba(255,255,255,.10);transform:translateY(-3px)}
.step-num{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 16px rgba(37,99,235,.35)}
.step-item h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:8px}
.step-item p{color:#94a3b8;font-size:13px;line-height:1.7}
/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;text-align:center;transition:var(--transition)}
.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.stat-num{font-size:32px;font-weight:800;color:var(--primary);line-height:1.2;margin-bottom:6px}
.stat-card span:last-child{font-size:13px;color:var(--text-weak)}
/* ===== Rank list ===== */
.rank-list{background:#fff;border-radius:var(--radius);border:1px solid var(--border)}
.rank-item{display:flex;align-items:center;gap:18px;padding:18px 24px;border-bottom:1px solid #f1f5f9;transition:var(--transition)}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:#f8faff}
.rank-no{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;background:#f1f5f9;color:var(--text-weak);flex-shrink:0}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#94a3b8,#64748b);color:#fff}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#fb923c,#d97706);color:#fff}
.rank-info{flex:1;min-width:0}
.rank-info h4{font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info h4 a:hover{color:var(--primary)}
.rank-meta{font-size:12px;color:#94a3b8;margin-top:3px}
.rank-stat{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--text-weak);flex-shrink:0}
/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:#bfdbfe}
.faq-q{display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;font-size:15px;font-weight:600;color:var(--text)}
.faq-q i{width:28px;height:28px;border-radius:50%;background:#eff6ff;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;transition:var(--transition)}
.faq-a{display:none;padding:0 24px 20px 66px;font-size:14px;color:var(--text-weak);line-height:1.85;border-top:1px dashed #eef2f7;margin-left:0;padding-top:14px}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q i{background:var(--primary);color:#fff}
.faq-item.open .faq-q i::before{content:'\f068'}
/* ===== CTA ===== */
.cta-section{position:relative;background:linear-gradient(135deg,#0b1220,#16233d 60%,#1a2b4a);padding:72px 0;overflow:hidden;text-align:center}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.14}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{color:#fff;font-size:32px;font-weight:800;margin-bottom:16px}
.cta-inner p{color:#cbd5e1;font-size:16px;max-width:520px;margin:0 auto 30px}
/* ===== Footer ===== */
.site-footer{background:#0b1220;color:#94a3b8;padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-desc{line-height:1.8;max-width:340px;color:#7c8aa5}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{display:inline-flex;align-items:center;gap:6px;color:#94a3b8;transition:var(--transition)}
.footer-links a:hover{color:#93c5fd}
.footer-links a i{font-size:10px;color:#475569}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:#64748b}
/* ===== Responsive ===== */
@media(max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{padding-left:16px;padding-right:16px}
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:10px}
  .header-actions{width:100%;justify-content:space-between}
  .search-box input{width:100px}
  .search-box{flex:1}
  .page-hero{padding:56px 0 48px}
  .page-hero h1{font-size:30px}
  .page-hero p{font-size:15px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:2fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .section{padding:52px 0}
  .section-head h2,.cta-inner h2{font-size:26px}
  .rank-item{flex-wrap:wrap}
  .rank-stat{width:100%;padding-left:52px}
  .faq-q{font-size:14px;padding:16px 18px}
  .faq-a{padding:0 18px 16px 54px}
}
@media(max-width:520px){
  .logo-text{font-size:14px}
  .logo-mark{width:34px;height:34px;font-size:16px}
  .nav-link{padding:7px 14px;font-size:13px}
  .hero-actions{flex-direction:column;align-items:center}
  .page-hero h1{font-size:26px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:20px 14px}
  .stat-num{font-size:24px}
  .rank-item{padding:14px 16px;gap:12px}
  .rank-info h4{font-size:14px}
  .footer-bottom{font-size:12px;padding:16px 10px}
}

/* roulang page: article */
:root {
    --bg-body: #080c16;
    --bg-panel: #0f172a;
    --bg-card: #121c30;
    --bg-chip: #0d1522;
    --border: #1c2940;
    --border-strong: #2c4060;
    --text-hi: #f1f5f9;
    --text-body: #cbd5e1;
    --text-low: #7c8ba5;
    --neon: #00e0c0;
    --gold: #ffc855;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow: 0 24px 64px rgba(0,0,0,.45);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg-body);
    color: var(--text-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
button,
input {
    font-family: inherit;
}
button {
    cursor: pointer;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section {
    padding: 84px 0;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 12, 22, .92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.header-top {
    border-bottom: 1px solid rgba(28, 41, 64, .6);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
    gap: 18px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--neon), #38bdf8);
    color: #080c16;
    font-weight: 800;
    font-size: 18px;
    box-shadow: 0 0 24px rgba(0, 224, 192, .35);
}
.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .4px;
    color: var(--text-hi);
    white-space: nowrap;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-chip);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px 4px 3px 18px;
    transition: border .3s;
}
.search-box:focus-within {
    border-color: var(--neon);
}
.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-hi);
    font-size: 14px;
    width: 180px;
}
.search-box input::placeholder {
    color: var(--text-low);
}
.search-box button {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: none;
    background: transparent;
    color: var(--text-low);
    transition: background .3s, color .3s;
}
.search-box button:hover {
    background: rgba(0, 224, 192, .12);
    color: var(--neon);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    transition: all .3s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--neon), #0ea5e9);
    color: #080c16;
    box-shadow: 0 6px 20px rgba(0, 224, 192, .2);
}
.btn-primary:hover {
    box-shadow: 0 0 34px rgba(0, 224, 192, .4);
    transform: translateY(-2px);
}
.btn-sm {
    padding: 9px 18px;
    font-size: 14px;
}
.btn-lg {
    padding: 15px 34px;
    font-size: 17px;
}

.nav-bar {
    background: rgba(7, 10, 18, .6);
}
.nav-inner {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-top: 7px;
    padding-bottom: 7px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.nav-inner::-webkit-scrollbar {
    height: 4px;
}
.nav-inner::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 999px;
    font-weight: 500;
    color: var(--text-low);
    white-space: nowrap;
    transition: color .3s, background .3s;
}
.nav-link i {
    font-size: 14px;
}
.nav-link:hover {
    color: var(--text-hi);
    background: rgba(255, 255, 255, .04);
}
.nav-link.active {
    color: var(--neon);
    background: rgba(0, 224, 192, .1);
}

/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    padding: 84px 0 76px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--border);
}
.article-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 12, 22, .78), rgba(8, 12, 22, .96) 92%);
}
.article-hero-content {
    position: relative;
    z-index: 2;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--text-low);
    margin-bottom: 22px;
}
.breadcrumb a {
    transition: color .3s;
}
.breadcrumb a:hover {
    color: var(--neon);
}
.breadcrumb .sep {
    color: var(--border-strong);
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 224, 192, .12);
    border: 1px solid rgba(0, 224, 192, .3);
    color: var(--neon);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
}
.article-title {
    font-size: 40px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--text-hi);
    margin: 16px 0 18px;
    max-width: 840px;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
    color: var(--text-low);
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-meta i {
    color: var(--neon);
}

/* ===== Article Main ===== */
.article-section {
    padding: 64px 0 84px;
}
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
}
.article-content {
    font-size: 17px;
    line-height: 2;
    color: var(--text-body);
}
.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-hi);
    margin: 42px 0 16px;
    line-height: 1.4;
}
.article-content h3 {
    font-size: 21px;
    font-weight: 700;
    color: var(--text-hi);
    margin: 32px 0 14px;
    line-height: 1.4;
}
.article-content p {
    margin: 16px 0;
}
.article-content ul,
.article-content ol {
    margin: 18px 0;
    padding-left: 0;
    list-style: none;
}
.article-content li {
    position: relative;
    padding-left: 26px;
    margin: 10px 0;
}
.article-content li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--neon);
    box-shadow: 0 0 10px rgba(0, 224, 192, .5);
}
.article-content ol li::before {
    border-radius: 50%;
}
.article-content blockquote {
    border-left: 3px solid var(--neon);
    background: rgba(0, 224, 192, .06);
    padding: 18px 22px;
    margin: 24px 0;
    border-radius: 0 14px 14px 0;
    color: var(--text-hi);
}
.article-content img {
    border-radius: 16px;
    margin: 26px 0;
    border: 1px solid var(--border);
}
.article-content a {
    color: var(--neon);
    border-bottom: 1px solid rgba(0, 224, 192, .4);
    transition: border .3s;
}
.article-content a:hover {
    border-bottom-color: var(--neon);
}
.article-content strong {
    color: var(--text-hi);
}
.article-content code {
    background: var(--bg-chip);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 14px;
}
.not-found {
    text-align: center;
    padding: 48px 20px;
}
.not-found h2 {
    font-size: 32px;
    color: var(--text-hi);
    margin-bottom: 12px;
}
.not-found p {
    color: var(--text-low);
    margin-bottom: 28px;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.tagchip {
    background: var(--bg-chip);
    border: 1px solid var(--border);
    color: var(--text-body);
    padding: 6px 15px;
    border-radius: 999px;
    font-size: 13px;
    transition: all .3s;
}
.tagchip:hover {
    border-color: var(--neon);
    color: var(--neon);
}

/* ===== Sidebar ===== */
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    transition: border .3s;
}
.sidebar-card:hover {
    border-color: var(--border-strong);
}
.sidebar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-hi);
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.sidebar-title i {
    color: var(--neon);
}
.side-post {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    transition: transform .3s;
}
.side-post:last-child {
    border-bottom: none;
}
.side-post:hover {
    transform: translateX(4px);
}
.side-post-rank {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: var(--bg-chip);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--neon);
}
.side-post-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-hi);
    line-height: 1.45;
    transition: color .3s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.side-post:hover h4 {
    color: var(--neon);
}
.side-post-body span {
    font-size: 13px;
    color: var(--text-low);
}
.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.taglink {
    background: var(--bg-chip);
    border: 1px solid var(--border);
    color: var(--text-body);
    padding: 7px 15px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    transition: all .3s;
}
.taglink:hover {
    background: rgba(0, 224, 192, .1);
    border-color: var(--neon);
    color: var(--neon);
}
.side-cta {
    background: linear-gradient(150deg, rgba(0, 224, 192, .16), rgba(14, 165, 233, .12));
    border: 1px solid rgba(0, 224, 192, .35);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}
.side-cta h4 {
    color: var(--text-hi);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}
.side-cta p {
    font-size: 14px;
    color: var(--text-low);
    margin-bottom: 18px;
}

/* ===== Latest Cards ===== */
.latest-section {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 44px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-hi);
    line-height: 1.3;
}
.section-head h2 span {
    color: var(--neon);
}
.section-head p {
    color: var(--text-low);
    margin-top: 8px;
}
.section-link {
    color: var(--neon);
    font-size: 15px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: gap .3s;
}
.section-link:hover {
    gap: 12px;
}
.latest-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.article-card-link {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all .35s ease;
}
.article-card-link:hover {
    transform: translateY(-6px);
    border-color: var(--neon);
    box-shadow: 0 18px 44px rgba(0, 0, 0, .45), 0 0 30px rgba(0, 224, 192, .08);
}
.article-card-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.article-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.article-card-link:hover .article-card-cover img {
    transform: scale(1.05);
}
.article-card-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(8, 12, 22, .75));
}
.article-card-body {
    padding: 24px;
}
.article-card-body .badge {
    margin-bottom: 14px;
}
.article-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-hi);
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .3s;
}
.article-card-link:hover .article-card-body h3 {
    color: var(--neon);
}
.article-card-body p {
    font-size: 14px;
    color: var(--text-low);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 18px;
}
.article-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-low);
}
.article-card-foot .arrow {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--bg-chip);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--neon);
    transition: all .3s;
}
.article-card-link:hover .arrow {
    background: var(--neon);
    color: #080c16;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: border .3s;
}
.faq-item.open {
    border-color: var(--neon);
}
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-hi);
    transition: background .3s;
}
.faq-question:hover {
    background: rgba(255, 255, 255, .02);
}
.faq-question .qicon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(0, 224, 192, .1);
    color: var(--neon);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.faq-question .arrow {
    color: var(--text-low);
    transition: transform .3s;
    flex-shrink: 0;
}
.faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
    color: var(--neon);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
}
.faq-answer-inner {
    padding: 0 24px 22px;
    color: var(--text-low);
    line-height: 1.8;
    font-size: 15px;
    border-top: 1px solid var(--border);
    margin-left: 58px;
}
.faq-answer-inner p {
    padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    padding: 90px 0;
    background-size: cover;
    background-position: center;
}
.cta-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(8, 12, 22, .92), rgba(8, 12, 22, .7));
}
.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-hi);
    line-height: 1.3;
    margin-bottom: 14px;
}
.cta-content p {
    color: var(--text-low);
    font-size: 17px;
    margin-bottom: 34px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    padding: 60px 0 28px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-hi);
    margin-bottom: 16px;
}
.footer-desc {
    color: var(--text-low);
    font-size: 15px;
    line-height: 1.8;
    max-width: 360px;
}
.footer-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-hi);
    margin-bottom: 18px;
}
.footer-links {
    list-style: none;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: var(--text-low);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color .3s, gap .3s;
}
.footer-links a i {
    font-size: 12px;
    color: var(--neon);
}
.footer-links a:hover {
    color: var(--neon);
    gap: 12px;
}
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 22px;
    text-align: center;
    color: var(--text-low);
    font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .latest-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-title {
        font-size: 34px;
    }
}
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    .header-inner {
        min-height: 62px;
    }
    .search-box {
        display: none;
    }
    .logo-text {
        font-size: 17px;
    }
    .article-hero {
        padding: 56px 0;
    }
    .article-title {
        font-size: 28px;
    }
    .article-card {
        padding: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .section-head {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 30px;
    }
    .section-head h2 {
        font-size: 26px;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .logo-mark {
        width: 30px;
        height: 30px;
        font-size: 15px;
    }
    .logo-text {
        font-size: 15px;
    }
    .btn-sm {
        padding: 7px 12px;
        font-size: 13px;
    }
    .latest-grid {
        grid-template-columns: 1fr;
    }
    .article-title {
        font-size: 24px;
    }
    .article-meta {
        gap: 10px;
        font-size: 13px;
    }
    .article-card {
        padding: 18px;
    }
    .article-content {
        font-size: 16px;
    }
    .cta-content h2 {
        font-size: 26px;
    }
    .footer-grid {
        gap: 28px;
    }
}