/* roulang page: index */
:root {
        --c-bg: #0A0E19;
        --c-bg-2: #0D1322;
        --c-card: #12182B;
        --c-elev: #1A2338;
        --c-border: rgba(255, 255, 255, 0.08);
        --c-primary: #C6F432;
        --c-secondary: #7C5CFF;
        --c-cyan: #64D2FF;
        --c-text: #E4EAF4;
        --c-muted: #8E9BB0;
        --c-on-primary: #0A0E19;
        --radius-sm: 12px;
        --radius-md: 18px;
        --radius-lg: 28px;
        --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 24px 50px rgba(0, 0, 0, 0.45);
        --ease: cubic-bezier(.2, .8, .2, 1);
        --header-h: 74px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
        background: var(--c-bg);
        color: var(--c-text);
        line-height: 1.7;
        font-size: 1rem;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.3s var(--ease);
    }
    a:hover {
        color: var(--c-primary);
    }
    img {
        max-width: 100%;
        height: auto;
        object-fit: cover;
    }
    button,
    input {
        font-family: inherit;
        outline: none;
        border: none;
    }
    :focus-visible {
        outline: 2px solid var(--c-primary);
        outline-offset: 2px;
    }
    .container {
        max-width: 1200px;
    }

    /* Header */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--header-h);
        background: rgba(10, 14, 25, 0.92);
        border-bottom: 1px solid var(--c-border);
        z-index: 1090;
        backdrop-filter: blur(8px);
    }
    .site-header .navbar {
        height: var(--header-h);
        padding: 0;
    }
    .site-header .container {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;
    }
    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0;
        margin: 0;
        height: 40px;
    }
    .logo-mark {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--c-primary), var(--c-cyan), var(--c-secondary));
        color: var(--c-on-primary);
        font-size: 0.85rem;
        font-weight: 800;
        letter-spacing: 0.5px;
        flex-shrink: 0;
    }
    .logo-text {
        font-size: 1.25rem;
        font-weight: 800;
        color: var(--c-text);
        letter-spacing: 0.2px;
        white-space: nowrap;
    }
    .logo-text span {
        color: var(--c-primary);
    }
    .header-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        margin: 0 auto;
    }
    .header-nav .nav-link {
        padding: 0.5rem 1rem;
        font-size: 15px;
        color: var(--c-muted);
        position: relative;
        border-radius: 8px;
        transition: color 0.3s var(--ease);
    }
    .header-nav .nav-link:hover,
    .header-nav .nav-link.active {
        color: #fff;
    }
    .header-nav .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 50%;
        transform: translateX(-50%);
        width: 24px;
        height: 2px;
        background: var(--c-primary);
        border-radius: 2px;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }
    .mega-wrap {
        position: relative;
    }
    .mega-toggle {
        display: flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        border: 1px solid var(--c-border);
        border-radius: 12px;
        padding: 8px 16px;
        color: var(--c-text);
        font-size: 14px;
        cursor: pointer;
        transition: all 0.3s var(--ease);
    }
    .mega-toggle i {
        font-size: 11px;
        transition: transform 0.3s var(--ease);
    }
    .mega-toggle:hover {
        border-color: var(--c-primary);
        color: var(--c-primary);
    }
    .mega-toggle.open i {
        transform: rotate(180deg);
    }
    .mega-panel {
        position: absolute;
        top: calc(100% + 16px);
        right: 0;
        width: 720px;
        background: var(--c-elev);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        padding: 28px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(8px);
        transition: all 0.35s var(--ease);
        z-index: 100;
    }
    .mega-panel.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .mega-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 0.8fr;
        gap: 32px;
    }
    .mega-col h5 {
        font-size: 13px;
        font-weight: 700;
        color: var(--c-muted);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 16px;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--c-border);
    }
    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .tag-cloud a {
        display: inline-block;
        padding: 5px 14px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--c-border);
        border-radius: 30px;
        font-size: 13px;
        color: var(--c-muted);
        transition: all 0.3s var(--ease);
    }
    .tag-cloud a:hover {
        background: rgba(198, 244, 50, 0.08);
        border-color: var(--c-primary);
        color: var(--c-primary);
    }
    .mega-links {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .mega-link {
        display: flex;
        flex-direction: column;
        gap: 2px;
        padding: 8px 10px;
        border-radius: 10px;
        transition: background 0.3s var(--ease);
    }
    .mega-link span {
        font-size: 14px;
        color: var(--c-text);
        transition: color 0.3s var(--ease);
    }
    .mega-link small {
        font-size: 12px;
        color: var(--c-muted);
    }
    .mega-link:hover {
        background: rgba(255, 255, 255, 0.03);
    }
    .mega-link:hover span {
        color: var(--c-primary);
    }
    .mega-card {
        display: block;
        border-radius: 14px;
        overflow: hidden;
        background: var(--c-card);
        border: 1px solid var(--c-border);
        transition: border-color 0.3s var(--ease);
    }
    .mega-card img {
        width: 100%;
        height: 110px;
        object-fit: cover;
    }
    .mega-card span {
        display: block;
        padding: 10px 14px;
        font-size: 14px;
        font-weight: 600;
        color: var(--c-text);
    }
    .mega-card:hover {
        border-color: rgba(198, 244, 50, 0.4);
    }
    .btn-cta {
        height: 44px;
        padding: 0 24px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: var(--c-primary);
        color: var(--c-on-primary);
        font-size: 14px;
        font-weight: 700;
        border: none;
        transition: all 0.3s var(--ease);
    }
    .btn-cta:hover {
        background: #d4ff4f;
        color: var(--c-on-primary);
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(198, 244, 50, 0.15);
    }
    .navbar-toggler {
        border: 1px solid var(--c-border);
        padding: 6px 10px;
        border-radius: 8px;
        background: transparent;
    }
    .navbar-toggler-icon {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--c-text);
        position: relative;
        transition: background 0.3s;
    }
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after {
        content: '';
        position: absolute;
        left: 0;
        width: 100%;
        height: 2px;
        background: var(--c-text);
        transition: all 0.3s;
    }
    .navbar-toggler-icon::before {
        top: -7px;
    }
    .navbar-toggler-icon::after {
        top: 7px;
    }
    @media (max-width: 991.98px) {
        .site-header .navbar-collapse {
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: var(--c-bg);
            border-bottom: 1px solid var(--c-border);
            padding: 20px 24px;
            max-height: calc(100vh - var(--header-h));
            overflow-y: auto;
        }
        .header-nav {
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
            margin: 0 0 16px;
        }
        .header-nav .nav-link {
            padding: 10px 0;
            font-size: 16px;
            width: 100%;
        }
        .header-actions {
            width: 100%;
            flex-direction: column;
            align-items: stretch;
            gap: 12px;
        }
        .mega-wrap {
            width: 100%;
        }
        .mega-toggle {
            width: 100%;
            justify-content: space-between;
        }
        .mega-panel {
            position: static;
            width: 100%;
            box-shadow: none;
            opacity: 1;
            visibility: visible;
            transform: none;
            margin-top: 12px;
            border-radius: 14px;
            padding: 20px;
            display: none;
        }
        .mega-panel.show {
            display: block;
        }
        .mega-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .btn-cta {
            width: 100%;
        }
    }
    @media (max-width: 575.98px) {
        .logo-text {
            font-size: 1.05rem;
        }
        .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-size: 0.75rem;
        }
    }

    /* Hero */
    .hero {
        position: relative;
        min-height: 90vh;
        max-height: 960px;
        display: flex;
        align-items: center;
        padding: 120px 0 80px;
        background:
            radial-gradient(ellipse at 80% 90%, rgba(124, 92, 255, 0.18), transparent 60%),
            radial-gradient(ellipse at 10% 10%, rgba(198, 244, 50, 0.08), transparent 40%),
            linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
        overflow: hidden;
    }
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
        background-size: 28px 28px;
        opacity: 0.25;
        pointer-events: none;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.12;
    }
    .hero .container {
        position: relative;
        z-index: 2;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        background: rgba(198, 244, 50, 0.08);
        border: 1px solid rgba(198, 244, 50, 0.3);
        border-radius: 40px;
        font-size: 13px;
        color: var(--c-primary);
        letter-spacing: 1px;
        margin-bottom: 24px;
    }
    .hero-badge i {
        font-size: 11px;
    }
    .hero-title {
        font-size: clamp(2rem, 4vw, 3.4rem);
        font-weight: 800;
        line-height: 1.15;
        color: var(--c-text);
        margin-bottom: 20px;
    }
    .hero-title .gradient-text {
        background: linear-gradient(135deg, var(--c-primary), var(--c-cyan), var(--c-secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-subtitle {
        font-size: 1.05rem;
        color: var(--c-muted);
        max-width: 44em;
        line-height: 1.8;
        margin-bottom: 36px;
    }
    .hero-btns {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .btn-hero {
        height: 48px;
        padding: 0 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        font-size: 15px;
        font-weight: 600;
        transition: all 0.3s var(--ease);
        text-decoration: none;
    }
    .btn-hero-primary {
        background: var(--c-primary);
        color: var(--c-on-primary);
        border: none;
    }
    .btn-hero-primary:hover {
        background: #d4ff4f;
        color: var(--c-on-primary);
        transform: translateY(-2px);
        box-shadow: 0 12px 35px rgba(198, 244, 50, 0.2);
    }
    .btn-hero-outline {
        background: transparent;
        color: var(--c-text);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .btn-hero-outline:hover {
        border-color: var(--c-primary);
        color: var(--c-primary);
        transform: translateY(-2px);
    }
    .hero-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .stat-card {
        background: rgba(18, 24, 43, 0.7);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 24px;
        padding: 24px 20px;
        transition: all 0.3s var(--ease);
    }
    .stat-card:hover {
        border-color: rgba(198, 244, 50, 0.3);
        transform: translateY(-4px);
    }
    .stat-label {
        display: block;
        font-size: 12px;
        color: var(--c-muted);
        letter-spacing: 1px;
        margin-bottom: 8px;
    }
    .stat-value {
        display: block;
        font-size: 36px;
        font-weight: 800;
        line-height: 1;
        background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 8px;
    }
    .stat-desc {
        font-size: 14px;
        color: var(--c-muted);
    }
    @media (max-width: 991.98px) {
        .hero {
            padding: 100px 0 60px;
            min-height: auto;
        }
        .hero-stats {
            margin-top: 40px;
        }
    }
    @media (max-width: 575.98px) {
        .hero {
            padding: 90px 0 48px;
        }
        .hero-btns {
            flex-direction: column;
        }
        .btn-hero {
            width: 100%;
        }
        .hero-stats {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .stat-card {
            padding: 18px 14px;
        }
        .stat-value {
            font-size: 28px;
        }
    }

    /* Section base */
    .section {
        padding: 96px 0;
    }
    .section-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 48px;
    }
    .section-header h2 {
        font-size: 2rem;
        font-weight: 700;
        margin: 0;
        position: relative;
    }
    .section-header h2::before {
        content: '';
        display: inline-block;
        width: 6px;
        height: 28px;
        background: linear-gradient(180deg, var(--c-primary), var(--c-secondary));
        border-radius: 4px;
        margin-right: 14px;
        vertical-align: -4px;
    }
    .section-sub {
        color: var(--c-muted);
        font-size: 0.95rem;
        margin-top: 6px;
        margin-left: 20px;
    }
    .section-more {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--c-muted);
        transition: all 0.3s var(--ease);
        flex-shrink: 0;
    }
    .section-more i {
        transition: transform 0.3s var(--ease);
    }
    .section-more:hover {
        color: var(--c-primary);
    }
    .section-more:hover i {
        transform: translateX(4px);
    }
    @media (max-width: 767.98px) {
        .section {
            padding: 60px 0;
        }
        .section-header {
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 32px;
        }
    }

    /* Story */
    .story {
        background: var(--c-bg);
        position: relative;
    }
    .story-image-wrap {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        height: 100%;
        min-height: 420px;
    }
    .story-image-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease);
    }
    .story-image-wrap:hover img {
        transform: scale(1.02);
    }
    .story-badge {
        position: absolute;
        bottom: 24px;
        left: 24px;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: rgba(10, 14, 25, 0.8);
        border: 1px solid var(--c-border);
        border-radius: 16px;
        padding: 14px 20px;
        backdrop-filter: blur(6px);
    }
    .story-badge i {
        color: var(--c-primary);
        font-size: 20px;
    }
    .story-badge span {
        font-size: 14px;
        font-weight: 600;
        color: var(--c-text);
    }
    .story-content {
        padding-left: 24px;
    }
    .story-content h2 {
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 24px;
    }
    .story-content p {
        color: var(--c-muted);
        font-size: 0.95rem;
        line-height: 1.8;
        margin-bottom: 20px;
    }
    .story-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--c-primary);
        font-size: 15px;
        font-weight: 600;
        border-bottom: 1px solid transparent;
        transition: all 0.3s var(--ease);
    }
    .story-link i {
        transition: transform 0.3s var(--ease);
    }
    .story-link:hover {
        border-bottom-color: var(--c-primary);
    }
    .story-link:hover i {
        transform: translateX(4px);
    }
    @media (max-width: 991.98px) {
        .story-content {
            padding-left: 0;
            margin-top: 32px;
        }
        .story-image-wrap {
            min-height: 320px;
        }
    }

    /* Featured cards */
    .featured {
        background: var(--c-bg-2);
        border-top: 1px solid var(--c-border);
        border-bottom: 1px solid var(--c-border);
    }
    .card-large {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        background: var(--c-card);
        border: 1px solid var(--c-border);
        height: 100%;
        min-height: 480px;
        transition: all 0.3s var(--ease);
    }
    .card-large:hover {
        transform: translateY(-6px);
        border-color: rgba(198, 244, 50, 0.35);
        box-shadow: var(--shadow-lg);
    }
    .card-large .card-img {
        position: relative;
        height: 260px;
        overflow: hidden;
    }
    .card-large .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease);
    }
    .card-large:hover .card-img img {
        transform: scale(1.05);
    }
    .card-tag {
        position: absolute;
        top: 16px;
        left: 16px;
        display: inline-block;
        padding: 4px 14px;
        background: rgba(10, 14, 25, 0.75);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 30px;
        font-size: 12px;
        color: var(--c-text);
        backdrop-filter: blur(4px);
        z-index: 1;
    }
    .card-body {
        padding: 24px;
    }
    .card-body h3 {
        font-size: 1.35rem;
        font-weight: 700;
        margin-bottom: 12px;
        line-height: 1.4;
    }
    .card-body p {
        color: var(--c-muted);
        font-size: 0.92rem;
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 20px;
    }
    .card-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 13px;
        color: var(--c-muted);
    }
    .card-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--c-primary);
        transition: gap 0.3s var(--ease);
    }
    .card-link:hover {
        gap: 10px;
    }
    .card-vertical {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        background: var(--c-card);
        border: 1px solid var(--c-border);
        height: calc(50% - 12px);
        min-height: 230px;
        display: flex;
        flex-direction: column;
        transition: all 0.3s var(--ease);
    }
    .card-vertical:first-child {
        margin-bottom: 24px;
    }
    .card-vertical:hover {
        transform: translateY(-6px);
        border-color: rgba(198, 244, 50, 0.35);
        box-shadow: var(--shadow-lg);
    }
    .card-vertical .card-img {
        position: relative;
        height: 140px;
        overflow: hidden;
        flex-shrink: 0;
    }
    .card-vertical .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease);
    }
    .card-vertical:hover .card-img img {
        transform: scale(1.05);
    }
    .card-vertical .card-body {
        padding: 18px 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .card-vertical .card-body h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    .card-vertical .card-body p {
        font-size: 0.88rem;
        margin-bottom: 12px;
    }
    @media (max-width: 991.98px) {
        .card-large {
            min-height: auto;
        }
        .card-vertical {
            height: auto;
        }
        .card-vertical:first-child {
            margin-bottom: 24px;
        }
    }

    /* Trust */
    .trust {
        background: var(--c-bg);
    }
    .logo-wall {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
        margin-bottom: 64px;
    }
    .logo-item {
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        color: rgba(255, 255, 255, 0.25);
        font-size: 15px;
        font-weight: 700;
        letter-spacing: 1px;
        transition: all 0.3s var(--ease);
    }
    .logo-item:hover {
        color: var(--c-text);
        border-color: var(--c-border);
        background: var(--c-elev);
    }
    @media (max-width: 991.98px) {
        .logo-wall {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    @media (max-width: 575.98px) {
        .logo-wall {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    .testimonials {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .testimonial-card {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        padding: 28px;
        transition: all 0.3s var(--ease);
    }
    .testimonial-card:hover {
        transform: translateY(-4px);
        border-color: rgba(198, 244, 50, 0.25);
    }
    .testimonial-head {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 16px;
    }
    .testimonial-avatar {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--c-primary), var(--c-cyan), var(--c-secondary));
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 16px;
        color: var(--c-on-primary);
        flex-shrink: 0;
    }
    .testimonial-name {
        font-size: 15px;
        font-weight: 600;
    }
    .testimonial-role {
        font-size: 13px;
        color: var(--c-muted);
    }
    .stars {
        color: var(--c-primary);
        font-size: 12px;
        letter-spacing: 2px;
        margin-bottom: 12px;
    }
    .testimonial-card p {
        font-size: 14px;
        color: var(--c-muted);
        line-height: 1.7;
        margin: 0;
    }
    @media (max-width: 991.98px) {
        .testimonials {
            grid-template-columns: 1fr;
            gap: 16px;
        }
    }

    /* News */
    .news-section {
        background: var(--c-bg-2);
        border-top: 1px solid var(--c-border);
        border-bottom: 1px solid var(--c-border);
    }
    .news-list {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        overflow: hidden;
    }
    .news-item {
        display: flex;
        align-items: center;
        gap: 24px;
        padding: 24px 28px;
        border-bottom: 1px solid var(--c-border);
        transition: background 0.3s var(--ease);
    }
    .news-item:last-child {
        border-bottom: none;
    }
    .news-item:hover {
        background: rgba(255, 255, 255, 0.03);
    }
    .news-date {
        width: 88px;
        flex-shrink: 0;
        text-align: center;
        padding: 10px 8px;
        background: rgba(198, 244, 50, 0.06);
        border: 1px solid rgba(198, 244, 50, 0.15);
        border-radius: 14px;
    }
    .news-day {
        display: block;
        font-size: 28px;
        font-weight: 800;
        color: var(--c-primary);
        line-height: 1;
    }
    .news-month {
        font-size: 12px;
        color: var(--c-muted);
    }
    .news-info {
        flex: 1;
        min-width: 0;
    }
    .news-cat {
        display: inline-block;
        font-size: 12px;
        color: var(--c-primary);
        background: rgba(198, 244, 50, 0.08);
        padding: 2px 12px;
        border-radius: 20px;
        margin-bottom: 6px;
    }
    .news-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--c-text);
        margin: 0 0 4px;
        line-height: 1.4;
        transition: color 0.3s var(--ease);
    }
    .news-item:hover .news-title {
        color: var(--c-primary);
    }
    .news-excerpt {
        font-size: 14px;
        color: var(--c-muted);
        margin: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .news-arrow {
        color: var(--c-muted);
        font-size: 18px;
        flex-shrink: 0;
        transition: all 0.3s var(--ease);
    }
    .news-item:hover .news-arrow {
        color: var(--c-primary);
        transform: translateX(4px);
    }
    .news-empty {
        padding: 60px 24px;
        text-align: center;
        border: 2px dashed var(--c-border);
        border-radius: var(--radius-md);
        background: transparent;
        color: var(--c-muted);
    }
    .news-empty i {
        font-size: 32px;
        color: var(--c-muted);
        margin-bottom: 12px;
        display: block;
    }
    .news-empty p {
        margin: 0;
        font-size: 15px;
    }
    @media (max-width: 767.98px) {
        .news-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            padding: 20px;
        }
        .news-date {
            width: auto;
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            padding: 6px 14px;
        }
        .news-day {
            font-size: 18px;
        }
        .news-arrow {
            display: none;
        }
        .news-excerpt {
            white-space: normal;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
    }

    /* FAQ */
    .faq-section {
        background: var(--c-bg);
    }
    .faq-heading {
        padding-right: 40px;
    }
    .faq-heading h2 {
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 20px;
    }
    .faq-heading p {
        color: var(--c-muted);
        font-size: 0.95rem;
        line-height: 1.8;
    }
    .accordion-custom {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .accordion-item-custom {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: 16px;
        overflow: hidden;
        transition: border-color 0.3s var(--ease);
    }
    .accordion-item-custom.active {
        border-color: rgba(198, 244, 50, 0.3);
    }
    .accordion-btn {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: transparent;
        border: none;
        padding: 20px 24px;
        color: var(--c-text);
        font-size: 16px;
        font-weight: 600;
        text-align: left;
        cursor: pointer;
        transition: color 0.3s var(--ease);
    }
    .accordion-btn:hover {
        color: var(--c-primary);
    }
    .accordion-icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(198, 244, 50, 0.1);
        border: 1px solid rgba(198, 244, 50, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: var(--c-primary);
        transition: transform 0.3s var(--ease);
        flex-shrink: 0;
    }
    .accordion-item-custom.active .accordion-icon {
        transform: rotate(45deg);
    }
    .accordion-body-custom {
        padding: 0 24px 20px;
        color: var(--c-muted);
        font-size: 14px;
        line-height: 1.7;
        display: none;
    }
    .accordion-item-custom.active .accordion-body-custom {
        display: block;
    }
    @media (max-width: 991.98px) {
        .faq-heading {
            padding-right: 0;
            margin-bottom: 32px;
        }
    }

    /* CTA */
    .cta-section {
        background: var(--c-bg-2);
        border-top: 1px solid var(--c-border);
        padding: 80px 0;
    }
    .cta-card {
        background: linear-gradient(135deg, var(--c-elev), var(--c-bg-2));
        border: 1px solid rgba(198, 244, 50, 0.2);
        border-radius: var(--radius-lg);
        padding: 64px 48px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-card::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(124, 92, 255, 0.15), transparent 70%);
        border-radius: 50%;
    }
    .cta-card::after {
        content: '';
        position: absolute;
        bottom: -80px;
        left: -80px;
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(198, 244, 50, 0.08), transparent 70%);
        border-radius: 50%;
    }
    .cta-card h2 {
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 16px;
        position: relative;
        z-index: 1;
    }
    .cta-card p {
        color: var(--c-muted);
        font-size: 0.95rem;
        max-width: 520px;
        margin: 0 auto 32px;
        line-height: 1.8;
        position: relative;
        z-index: 1;
    }
    .cta-form {
        display: flex;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto 24px;
        position: relative;
        z-index: 1;
    }
    .cta-input {
        flex: 1;
        height: 48px;
        border-radius: 14px;
        background: rgba(0, 0, 0, 0.25);
        border: 1px solid rgba(255, 255, 255, 0.12);
        padding: 0 20px;
        color: var(--c-text);
        font-size: 14px;
        transition: border-color 0.3s var(--ease);
    }
    .cta-input::placeholder {
        color: #6F7C92;
    }
    .cta-input:focus {
        border-color: var(--c-primary);
    }
    .cta-submit {
        height: 48px;
        padding: 0 28px;
        border-radius: 14px;
        background: var(--c-primary);
        color: var(--c-on-primary);
        font-size: 14px;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.3s var(--ease);
        flex-shrink: 0;
    }
    .cta-submit:hover {
        background: #d4ff4f;
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(198, 244, 50, 0.2);
    }
    .cta-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--c-muted);
        font-size: 14px;
        transition: color 0.3s var(--ease);
        position: relative;
        z-index: 1;
    }
    .cta-link:hover {
        color: var(--c-primary);
    }
    .cta-link i {
        transition: transform 0.3s var(--ease);
    }
    .cta-link:hover i {
        transform: translateX(4px);
    }
    @media (max-width: 767.98px) {
        .cta-card {
            padding: 40px 24px;
        }
        .cta-card h2 {
            font-size: 1.5rem;
        }
        .cta-form {
            flex-direction: column;
        }
        .cta-submit {
            width: 100%;
        }
    }

    /* Footer */
    .site-footer {
        background: #070B12;
        border-top: 2px solid transparent;
        border-image: linear-gradient(90deg, var(--c-primary), var(--c-cyan), var(--c-secondary)) 1;
        padding-top: 64px;
        position: relative;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 48px;
        padding-bottom: 48px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }
    .footer-brand .logo-mark {
        width: 34px;
        height: 34px;
        border-radius: 9px;
        font-size: 0.75rem;
    }
    .footer-brand span {
        font-size: 1.1rem;
        font-weight: 800;
    }
    .footer-desc {
        font-size: 14px;
        color: var(--c-muted);
        line-height: 1.8;
        margin-bottom: 20px;
        max-width: 320px;
    }
    .footer-col h5 {
        font-size: 15px;
        font-weight: 700;
        color: var(--c-text);
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
    }
    .footer-col h5::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 28px;
        height: 2px;
        background: var(--c-primary);
        border-radius: 2px;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-links a {
        font-size: 14px;
        color: var(--c-muted);
        transition: all 0.3s var(--ease);
    }
    .footer-links a:hover {
        color: var(--c-primary);
        padding-left: 4px;
    }
    .footer-contact {
        font-size: 14px;
        color: var(--c-muted);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-contact span {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .footer-contact i {
        color: var(--c-primary);
        width: 20px;
        text-align: center;
    }
    .footer-bottom {
        border-top: 1px solid var(--c-border);
        padding: 20px 0;
        text-align: center;
        font-size: 13px;
        color: var(--c-muted);
    }
    @media (max-width: 991.98px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }
    @media (max-width: 575.98px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

    /* Back to top */
    .back-top {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--c-card);
        border: 1px solid var(--c-border);
        color: var(--c-muted);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        cursor: pointer;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s var(--ease);
        z-index: 1000;
    }
    .back-top.show {
        opacity: 1;
        visibility: visible;
    }
    .back-top:hover {
        border-color: var(--c-primary);
        color: var(--c-primary);
        transform: translateY(-4px);
    }

/* roulang page: article */
:root {
  --c-bg: #0A0E19;
  --c-bg-2: #0D1322;
  --c-card: #12182B;
  --c-elev: #1A2338;
  --c-border: rgba(255,255,255,0.08);
  --c-primary: #C6F432;
  --c-secondary: #7C5CFF;
  --c-cyan: #64D2FF;
  --c-text: #E4EAF4;
  --c-muted: #8E9BB0;
  --c-on-primary: #0A0E19;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-1: 0 10px 30px rgba(0,0,0,0.3);
  --shadow-2: 0 24px 50px rgba(0,0,0,0.45);
  --transition: cubic-bezier(.2,.8,.2,1);
  --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--c-text);text-decoration:none;transition:color .3s var(--transition)}
a:hover{color:var(--c-primary)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.container-narrow{
  max-width:780px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  font-size:15px;
  font-weight:600;
  border-radius:14px;
  border:none;
  transition:all .3s var(--transition);
  line-height:1.4;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:var(--c-on-primary)}
.btn-primary:hover{
  background:var(--c-primary);
  color:var(--c-on-primary);
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(198,244,50,0.2);
}
.btn-ghost{background:transparent;color:var(--c-text);border:1px solid rgba(255,255,255,0.12)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-header{padding:10px 22px;font-size:14px;border-radius:12px}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,14,25,0.95);
  border-bottom:1px solid var(--c-border);
  min-height:74px;
}
.navbar{padding:0;min-height:74px}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0;
  margin-right:36px;
}
.logo-mark{
  width:40px;
  height:40px;
  min-width:40px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-cyan),var(--c-secondary));
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:17px;
  color:var(--c-on-primary);
  letter-spacing:-.5px;
}
.logo-text{font-size:1.25rem;font-weight:800;color:var(--c-text);line-height:1.2}
.logo-text span{color:var(--c-primary)}
.navbar-toggler{
  border:1px solid var(--c-border);
  border-radius:10px;
  padding:6px 10px;
  background:transparent;
}
.navbar-toggler:focus{box-shadow:0 0 0 2px rgba(198,244,50,0.4)}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba%28228,234,244,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}
.header-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:26px 16px;
  font-size:15px;
  color:var(--c-muted);
  position:relative;
  white-space:nowrap;
  display:inline-block;
}
.nav-link::after{
  content:'';
  position:absolute;
  bottom:0;
  left:16px;
  right:16px;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .3s var(--transition);
}
.nav-link:hover,.nav-link.active{color:var(--c-text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.header-actions{
  display:flex;
  align-items:center;
  gap:16px;
  margin-left:auto;
}
.mega-wrap{position:relative}
.mega-toggle{
  background:transparent;
  border:1px solid var(--c-border);
  color:var(--c-muted);
  padding:10px 18px;
  border-radius:14px;
  font-size:14px;
  display:flex;
  align-items:center;
  gap:8px;
  transition:all .3s var(--transition);
}
.mega-toggle:hover{color:var(--c-text);border-color:var(--c-primary)}
.mega-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.mega-toggle i{font-size:12px;transition:transform .3s var(--transition)}
.mega-toggle.active{color:var(--c-primary);border-color:var(--c-primary)}
.mega-toggle.active i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:720px;
  background:var(--c-elev);
  border:1px solid var(--c-border);
  border-radius:24px;
  padding:28px;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:all .3s var(--transition);
  box-shadow:var(--shadow-2);
  z-index:50;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
.mega-col h5{
  font-size:13px;
  font-weight:700;
  color:var(--c-muted);
  text-transform:uppercase;
  letter-spacing:1px;
  margin-bottom:16px;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  font-size:13px;
  padding:6px 13px;
  border-radius:100px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--c-border);
  color:var(--c-muted);
  transition:all .3s var(--transition);
}
.tag-cloud a:hover{
  background:rgba(198,244,50,0.1);
  border-color:rgba(198,244,50,0.35);
  color:var(--c-primary);
}
.mega-links{display:flex;flex-direction:column;gap:14px}
.mega-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:var(--c-text);
  padding:10px 0;
  border-bottom:1px solid var(--c-border);
  transition:all .3s var(--transition);
}
.mega-links a i{opacity:0;transform:translateX(-4px);transition:all .3s var(--transition);font-size:12px;color:var(--c-primary)}
.mega-links a:hover{color:var(--c-primary)}
.mega-links a:hover i{opacity:1;transform:translateX(0)}
.mega-card{
  display:block;
  border-radius:16px;
  overflow:hidden;
  background:var(--c-card);
  border:1px solid var(--c-border);
  margin-bottom:12px;
  transition:all .3s var(--transition);
}
.mega-card:hover{border-color:rgba(198,244,50,0.35)}
.mega-card img{width:100%;height:60px;object-fit:cover}
.mega-card span{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--c-text);
}
.mega-card span i{font-size:11px;color:var(--c-primary)}
@media (min-width:992px){
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel{
    opacity:1;visibility:visible;transform:translateY(0);
  }
}
@media (max-width:1199.98px){
  .mega-panel{width:600px}
}
@media (max-width:991.98px){
  .mega-panel{
    display:none;
    position:static;
    width:100%;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border-radius:18px;
    margin-top:14px;
    padding:20px;
  }
  .mega-panel.open{display:block}
  .mega-grid{grid-template-columns:1fr;gap:18px}
  .header-nav{
    flex-direction:column;
    align-items:flex-start;
    padding:10px 0;
    gap:0;
  }
  .nav-link{
    padding:12px 0;
    width:100%;
    border-bottom:1px solid var(--c-border);
  }
  .nav-link::after{display:none}
  .header-actions{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    margin-left:0;
    padding:4px 0 16px;
  }
}

/* ============ Article Header ============ */
.article-header{
  position:relative;
  padding:56px 0 42px;
  background:
    radial-gradient(circle at 82% 18%,rgba(124,92,255,0.18),transparent 42%),
    radial-gradient(circle at 12% 80%,rgba(198,244,50,0.06),transparent 30%),
    linear-gradient(180deg,rgba(13,19,34,0.7),rgba(10,14,25,1));
  border-bottom:1px solid var(--c-border);
}
.article-header::before{
  content:'';
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:0.08;
  z-index:0;
}
.article-header .container{position:relative;z-index:1}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:20px;
}
.breadcrumb-nav a{color:var(--c-muted);transition:color .3s}
.breadcrumb-nav a:hover{color:var(--c-primary)}
.breadcrumb-nav .sep{color:rgba(255,255,255,0.25)}
.breadcrumb-nav .current{color:var(--c-text);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-header h1{
  font-size:clamp(1.9rem,3.4vw,2.8rem);
  font-weight:800;
  line-height:1.25;
  margin:0 0 22px;
  max-width:720px;
  letter-spacing:-0.01em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:16px 28px;
  font-size:14px;
  color:var(--c-muted);
  padding-bottom:4px;
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--c-primary);font-size:13px;width:16px;text-align:center}

/* ============ Article Body ============ */
.article-content-section{padding:56px 0 24px}
.article-body{font-size:1.0625rem;line-height:1.8;color:var(--c-text)}
.article-body p{margin:0 0 28px;color:rgba(228,234,244,0.92)}
.article-body h2{
  font-size:1.5rem;
  font-weight:700;
  margin:48px 0 22px;
  padding-left:16px;
  border-left:4px solid var(--c-primary);
  line-height:1.4;
}
.article-body h3{
  font-size:1.25rem;
  font-weight:600;
  margin:36px 0 14px;
  color:var(--c-text);
}
.article-body h4{
  font-size:1.1rem;
  font-weight:600;
  margin:28px 0 12px;
  color:var(--c-cyan);
}
.article-body a{
  color:var(--c-cyan);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
.article-body a:hover{border-bottom-color:var(--c-cyan);color:var(--c-cyan)}
.article-body blockquote{
  background:#151E33;
  border-left:3px solid var(--c-primary);
  padding:22px 26px;
  border-radius:0 16px 16px 0;
  margin:32px 0;
  color:var(--c-muted);
  font-size:1.05rem;
}
.article-body blockquote p{margin:0;color:var(--c-muted)}
.article-body img{
  max-width:100%;
  border-radius:16px;
  margin:32px 0;
}
.article-body ul,.article-body ol{margin:0 0 28px;padding-left:24px}
.article-body ul li{list-style:disc;margin-bottom:8px;padding-left:4px}
.article-body ol li{list-style:decimal;margin-bottom:8px;padding-left:4px}
.article-body li::marker{color:var(--c-primary)}
.article-body table{
  width:100%;
  margin:32px 0;
  border-collapse:collapse;
  font-size:0.95rem;
}
.article-body table th,.article-body table td{
  border:1px solid var(--c-border);
  padding:12px 16px;
  text-align:left;
}
.article-body table th{background:var(--c-elev);font-weight:600;color:var(--c-text)}
.article-body table tr:nth-child(even){background:rgba(255,255,255,0.02)}
.article-body code{
  background:rgba(124,92,255,0.15);
  color:var(--c-cyan);
  padding:2px 8px;
  border-radius:6px;
  font-size:0.9em;
}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--c-muted);
  margin-top:-20px;
  margin-bottom:28px;
}
.article-empty{
  text-align:center;
  padding:80px 24px;
  background:var(--c-card);
  border:1px dashed rgba(255,255,255,0.15);
  border-radius:var(--radius-lg);
}
.article-empty .empty-icon{
  width:72px;
  height:72px;
  margin:0 auto 24px;
  border-radius:50%;
  background:rgba(124,92,255,0.12);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:28px;
  color:var(--c-secondary);
}
.article-empty h2{font-size:1.5rem;font-weight:700;margin-bottom:12px;color:var(--c-text)}
.article-empty p{color:var(--c-muted);margin-bottom:28px;font-size:15px}
.article-empty .btn{margin:0 auto}

/* ============ Article Tail ============ */
.article-tail{padding:32px 0 56px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px;padding-top:8px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(198,244,50,0.08);
  border:1px solid rgba(198,244,50,0.18);
  color:var(--c-primary);
  font-size:13px;
  font-weight:500;
  padding:7px 16px;
  border-radius:100px;
  transition:all .3s var(--transition);
}
.tag:hover{background:rgba(198,244,50,0.14);border-color:rgba(198,244,50,0.4)}
.article-pagination{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  border-top:1px solid var(--c-border);
  padding-top:40px;
}
.pag-item{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:18px;
  padding:24px 28px;
  transition:all .3s var(--transition);
  display:block;
}
.pag-item:hover{
  border-color:rgba(198,244,50,0.35);
  transform:translateY(-4px);
  box-shadow:var(--shadow-1);
  color:var(--c-text);
}
.pag-label{
  display:block;
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:8px;
}
.pag-title{font-size:16px;font-weight:600;color:var(--c-text);display:flex;align-items:center;gap:8px}
.pag-item:hover .pag-title i{transform:translateX(4px)}
.pag-item .pag-title i{transition:transform .3s var(--transition);color:var(--c-primary);font-size:13px}
.pag-next{text-align:right}
.pag-next .pag-title{justify-content:flex-end}

/* ============ Related Section ============ */
.related-section{padding:64px 0;background:linear-gradient(180deg,var(--c-bg),var(--c-bg-2))}
.section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.4vw,1.9rem);
  font-weight:700;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:'';
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:4px;
  height:22px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-cyan));
}
.section-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--c-muted);
  transition:all .3s var(--transition);
}
.section-link i{transition:transform .3s var(--transition);font-size:12px}
.section-link:hover{color:var(--c-primary)}
.section-link:hover i{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:all .3s var(--transition);
  display:block;
}
.related-card:hover{
  transform:translateY(-6px);
  border-color:rgba(198,244,50,0.35);
  box-shadow:var(--shadow-1);
  color:var(--c-text);
}
.related-image{aspect-ratio:16/10;overflow:hidden;position:relative}
.related-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--transition)}
.related-card:hover .related-image img{transform:scale(1.05)}
.related-body{padding:24px 24px 22px}
.related-tag{
  display:inline-block;
  background:rgba(198,244,50,0.1);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:100px;
  margin-bottom:12px;
}
.related-body h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  line-height:1.4;
  color:var(--c-text);
}
.related-body p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.6;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-link{
  font-size:14px;
  font-weight:600;
  color:var(--c-cyan);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.related-link i{transition:transform .3s var(--transition);font-size:12px}
.related-card:hover .related-link i{transform:translateX(4px)}

/* ============ CTA ============ */
.cta-section{padding:64px 0 80px}
.cta-card{
  background:
    radial-gradient(circle at 85% 15%,rgba(124,92,255,0.12),transparent 50%),
    linear-gradient(135deg,rgba(26,35,56,0.95),rgba(13,19,34,0.98));
  border:1px solid rgba(198,244,50,0.18);
  border-radius:var(--radius-lg);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-cyan),var(--c-secondary));
  opacity:0.6;
}
.cta-content h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;margin-bottom:12px;color:var(--c-text)}
.cta-content p{
  color:var(--c-muted);
  max-width:520px;
  font-size:15px;
  margin:0;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ Footer ============ */
.site-footer{
  background:#070B12;
  position:relative;
  padding:60px 0 0;
}
.site-footer::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-cyan),var(--c-secondary));
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.2rem;
  font-weight:800;
  margin-bottom:16px;
  color:var(--c-text);
}
.footer-brand .logo-mark{
  width:36px;
  height:36px;
  min-width:36px;
  font-size:15px;
  border-radius:11px;
}
.footer-desc{
  color:var(--c-muted);
  font-size:14px;
  line-height:1.8;
  max-width:320px;
  margin:0;
}
.footer-col h5{
  font-size:15px;
  font-weight:700;
  color:var(--c-text);
  margin-bottom:18px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-links a{
  font-size:14px;
  color:var(--c-muted);
  transition:all .3s var(--transition);
}
.footer-links a:hover{color:var(--c-primary);padding-left:4px}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:14px;
  font-size:14px;
  color:var(--c-muted);
}
.footer-contact span{display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--c-primary);font-size:13px;width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid var(--c-border);
  margin-top:48px;
  padding:24px 0;
  text-align:center;
  color:var(--c-muted);
  font-size:14px;
}
.footer-bottom p{margin:0}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .related-grid{gap:20px}
  .footer-grid{gap:36px}
}
@media (max-width:991.98px){
  .navbar-collapse{
    background:var(--c-bg);
    border-top:1px solid var(--c-border);
    padding:8px 20px 16px;
  }
  .related-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-pagination{grid-template-columns:1fr}
  .cta-card{padding:40px 28px;flex-direction:column;text-align:center}
  .cta-actions{justify-content:center}
  .cta-content p{margin-left:auto;margin-right:auto}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .container-narrow{padding-left:18px;padding-right:18px}
  .article-header{padding:40px 0 30px}
  .article-content-section{padding:40px 0 16px}
  .article-tail{padding:20px 0 48px}
  .related-section{padding:48px 0}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .cta-section{padding:48px 0 56px}
  .cta-card{padding:36px 22px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:120px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:32px}
  .article-meta{gap:10px 20px;font-size:13px}
  .article-body{font-size:1rem}
  .article-body h2{font-size:1.3rem}
  .article-body blockquote{padding:18px 20px}
  .pag-item{padding:20px}
  .mega-grid{grid-template-columns:1fr}
  .header-actions{flex-direction:column;align-items:stretch}
  .mega-wrap{width:100%}
  .mega-toggle{width:100%;justify-content:center}
  .btn-header{width:100%}
}
@media (max-width:520px){
  .container{padding-left:14px;padding-right:14px}
  .navbar-brand{margin-right:12px}
  .logo-text{font-size:1.05rem}
  .article-meta{flex-direction:column;gap:8px}
  .related-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{flex:none;width:100%}
}

/* roulang page: category1 */
:root {
            --c-bg: #0A0E19;
            --c-bg-2: #0D1322;
            --c-card: #12182B;
            --c-elev: #1A2338;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-primary: #C6F432;
            --c-secondary: #7C5CFF;
            --c-cyan: #64D2FF;
            --c-text: #E4EAF4;
            --c-muted: #8E9BB0;
            --c-on-primary: #0A0E19;
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 24px 50px rgba(0, 0, 0, 0.45);
            --curve: cubic-bezier(.2, .8, .2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.7;
            font-size: 1rem;
            padding-top: 74px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--curve) 0.3s;
        }
        a:hover {
            color: var(--c-primary);
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .section-block {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 60px 0;
            }
        }

        /* ============ Header & Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 14, 25, 0.92);
            border-bottom: 1px solid var(--c-border);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .site-header .navbar {
            min-height: 74px;
            padding: 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-cyan), var(--c-secondary));
            color: var(--c-on-primary);
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .logo-text span {
            font-weight: 400;
            font-size: 0.82rem;
            color: var(--c-muted);
            margin-left: 2px;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }
        .header-nav .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-muted);
            padding: 10px 16px;
            border-radius: 8px;
            transition: color var(--curve) 0.3s, background var(--curve) 0.3s;
        }
        .header-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-cyan));
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--curve) 0.3s;
        }
        .header-nav .nav-link:hover,
        .header-nav .nav-link.active {
            color: var(--c-text);
        }
        .header-nav .nav-link:hover::after,
        .header-nav .nav-link.active::after {
            transform: scaleX(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .mega-wrap {
            position: relative;
        }
        .mega-toggle {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--c-border);
            color: var(--c-muted);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 999px;
            cursor: pointer;
            transition: all var(--curve) 0.3s;
        }
        .mega-toggle:hover,
        .mega-wrap.open .mega-toggle {
            border-color: rgba(198, 244, 50, 0.4);
            color: var(--c-text);
        }
        .mega-toggle i {
            font-size: 11px;
            transition: transform var(--curve) 0.3s;
        }
        .mega-wrap.open .mega-toggle i {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            right: 0;
            width: 720px;
            max-width: 90vw;
            background: var(--c-elev);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--curve) 0.3s;
            z-index: 100;
        }
        .mega-wrap:hover .mega-panel,
        .mega-wrap.open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .mega-col h5 {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--c-muted);
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--c-border);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            display: inline-block;
            font-size: 13px;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid transparent;
            border-radius: 999px;
            color: var(--c-muted);
            transition: all var(--curve) 0.3s;
        }
        .tag-cloud a:hover {
            background: rgba(198, 244, 50, 0.1);
            border-color: rgba(198, 244, 50, 0.3);
            color: var(--c-primary);
        }
        .mega-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .mega-links a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--c-text);
            padding: 8px 0;
            border-bottom: 1px solid transparent;
            transition: all var(--curve) 0.3s;
        }
        .mega-links a:hover {
            color: var(--c-primary);
            border-bottom-color: rgba(198, 244, 50, 0.2);
        }
        .mega-links a i {
            font-size: 12px;
            opacity: 0;
            transition: opacity var(--curve) 0.3s, transform var(--curve) 0.3s;
        }
        .mega-links a:hover i {
            opacity: 1;
            transform: translateX(3px);
        }
        .mega-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            margin-bottom: 10px;
            transition: all var(--curve) 0.3s;
        }
        .mega-card:hover {
            border-color: rgba(198, 244, 50, 0.2);
            background: rgba(198, 244, 50, 0.05);
        }
        .mega-card img {
            width: 56px;
            height: 42px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .mega-card span {
            font-size: 13px;
            font-weight: 500;
            color: var(--c-text);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .mega-card span i {
            font-size: 10px;
            opacity: 0;
            transition: all var(--curve) 0.3s;
        }
        .mega-card:hover span i {
            opacity: 1;
            transform: translateX(2px);
            color: var(--c-primary);
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--c-primary);
            color: var(--c-on-primary);
            font-size: 14px;
            font-weight: 700;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: all var(--curve) 0.3s;
            box-shadow: 0 4px 16px rgba(198, 244, 50, 0.15);
        }
        .btn-header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(198, 244, 50, 0.25);
            color: var(--c-on-primary);
        }
        .navbar-toggler {
            border: 1px solid var(--c-border);
            border-radius: 8px;
            padding: 4px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--c-primary);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(228,234,244,0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991px) {
            body {
                padding-top: 64px;
            }
            .site-header .navbar {
                min-height: 64px;
            }
            .header-nav {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0;
                gap: 4px;
                width: 100%;
            }
            .header-nav .nav-link {
                width: 100%;
                padding: 10px 12px;
                font-size: 15px;
            }
            .header-nav .nav-link::after {
                display: none;
            }
            .header-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 0 0 20px;
                width: 100%;
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: 100%;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                margin-top: 12px;
                padding: 20px;
                background: rgba(255, 255, 255, 0.02);
            }
            .mega-toggle {
                display: none;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .btn-header-cta {
                justify-content: center;
            }
        }

        /* ============ Page Hero ============ */
        .page-hero {
            position: relative;
            padding: 84px 0 72px;
            background: linear-gradient(135deg, var(--c-bg) 60%, var(--c-bg-2) 100%);
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 78% 20%, rgba(124, 92, 255, 0.2), transparent 40%),
                radial-gradient(circle at 15% 80%, rgba(198, 244, 50, 0.1), transparent 35%);
            background-repeat: no-repeat;
            pointer-events: none;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
            background-size: 28px 28px;
            pointer-events: none;
            opacity: 0.3;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--c-muted);
            margin-bottom: 28px;
        }
        .breadcrumb-nav a {
            transition: color var(--curve) 0.3s;
        }
        .breadcrumb-nav a:hover {
            color: var(--c-primary);
        }
        .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .hero-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }
        .hero-main {
            flex: 1 1 55%;
        }
        .eyebrow {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            padding: 6px 14px;
            border: 1px solid rgba(198, 244, 50, 0.4);
            border-radius: 999px;
            color: var(--c-primary);
            background: rgba(198, 244, 50, 0.05);
            margin-bottom: 20px;
            font-weight: 600;
        }
        .hero-title {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--c-text);
            margin-bottom: 18px;
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--c-muted);
            max-width: 44em;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-primary);
            color: var(--c-on-primary);
            font-size: 15px;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: 14px;
            border: none;
            cursor: pointer;
            transition: all var(--curve) 0.3s;
            box-shadow: 0 4px 20px rgba(198, 244, 50, 0.15);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(198, 244, 50, 0.3);
            color: var(--c-on-primary);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--c-text);
            font-size: 15px;
            font-weight: 500;
            padding: 14px 28px;
            border-radius: 14px;
            border: 1px solid var(--c-border);
            cursor: pointer;
            transition: all var(--curve) 0.3s;
        }
        .btn-ghost:hover {
            border-color: rgba(198, 244, 50, 0.4);
            color: var(--c-primary);
            transform: translateY(-2px);
        }
        .hero-stats {
            flex: 0 0 360px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .stat-badge {
            background: rgba(18, 24, 43, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 24px;
            transition: all var(--curve) 0.3s;
        }
        .stat-badge:nth-child(3) {
            grid-column: span 2;
        }
        .stat-badge:hover {
            border-color: rgba(198, 244, 50, 0.25);
            transform: translateY(-2px);
        }
        .stat-label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-muted);
            margin-bottom: 8px;
        }
        .stat-value {
            display: block;
            font-size: 36px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px;
        }
        .stat-desc {
            font-size: 13px;
            color: var(--c-muted);
            line-height: 1.5;
        }

        @media (max-width: 991px) {
            .hero-row {
                flex-direction: column;
                gap: 40px;
            }
            .hero-stats {
                flex: 1 1 100%;
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .page-hero {
                padding: 56px 0 48px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-badge {
                padding: 18px;
                border-radius: 18px;
            }
            .stat-value {
                font-size: 28px;
            }
        }

        /* ============ Section Header ============ */
        .section-header {
            margin-bottom: 48px;
            max-width: 720px;
        }
        .section-header .section-eyebrow {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.09em;
            text-transform: uppercase;
            color: var(--c-primary);
            font-weight: 700;
            margin-bottom: 12px;
            padding: 4px 12px;
            background: rgba(198, 244, 50, 0.08);
            border-radius: 999px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--c-text);
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--c-muted);
            font-size: 16px;
            line-height: 1.7;
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ============ Cat About ============ */
        .cat-about {
            background: var(--c-bg);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .about-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .about-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform var(--curve) 0.4s;
        }
        .about-media:hover img {
            transform: scale(1.02);
        }
        .about-badge {
            position: absolute;
            left: 20px;
            bottom: 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(10, 14, 25, 0.8);
            border: 1px solid rgba(198, 244, 50, 0.3);
            border-radius: 999px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--c-text);
            backdrop-filter: blur(6px);
        }
        .badge-dot {
            width: 7px;
            height: 7px;
            background: var(--c-primary);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(198, 244, 50, 0.6);
        }
        .about-content .section-eyebrow {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.09em;
            text-transform: uppercase;
            color: var(--c-primary);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .about-content h2 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--c-text);
        }
        .about-content p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-muted);
            margin-bottom: 20px;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--c-primary);
            padding-bottom: 4px;
            border-bottom: 1px solid rgba(198, 244, 50, 0.3);
            transition: all var(--curve) 0.3s;
        }
        .text-link i {
            transition: transform var(--curve) 0.3s;
        }
        .text-link:hover {
            color: var(--c-text);
            border-bottom-color: var(--c-text);
        }
        .text-link:hover i {
            transform: translateX(4px);
            color: var(--c-primary);
        }

        @media (max-width: 991px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .about-media img {
                height: 300px;
            }
        }

        /* ============ Cat Topics ============ */
        .cat-topics {
            background: var(--c-bg-2);
            position: relative;
        }
        .cat-topics::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 28px 28px;
            opacity: 0.2;
            pointer-events: none;
        }
        .cat-topics .container {
            position: relative;
            z-index: 2;
        }
        .topics-grid {
            margin-top: 8px;
        }
        .topic-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--curve) 0.3s;
            position: relative;
            overflow: hidden;
        }
        .topic-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-cyan));
            opacity: 0;
            transition: opacity var(--curve) 0.3s;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            border-color: rgba(198, 244, 50, 0.3);
            box-shadow: var(--shadow-lg);
        }
        .topic-card:hover::before {
            opacity: 1;
        }
        .topic-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 20px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.12);
            letter-spacing: -0.02em;
        }
        .topic-icon {
            font-size: 28px;
            color: var(--c-primary);
            margin-bottom: 18px;
            display: inline-block;
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 12px;
        }
        .topic-card p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--c-muted);
            margin-bottom: 18px;
        }
        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--c-text);
            transition: all var(--curve) 0.3s;
        }
        .topic-link i {
            font-size: 11px;
            transition: transform var(--curve) 0.3s;
        }
        .topic-link:hover {
            color: var(--c-primary);
        }
        .topic-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            .topics-grid .col-md-6 {
                margin-bottom: 16px;
            }
            .topic-card {
                padding: 24px 20px;
            }
        }

        /* ============ Cat Showcase ============ */
        .cat-showcase {
            background: var(--c-bg);
        }
        .showcase-grid {
            margin-top: 8px;
        }
        .showcase-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all var(--curve) 0.3s;
        }
        .showcase-card:hover {
            transform: translateY(-6px);
            border-color: rgba(198, 244, 50, 0.35);
            box-shadow: var(--shadow-lg);
        }
        .card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--c-bg-2);
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--curve) 0.4s;
        }
        .showcase-card:hover .card-media img {
            transform: scale(1.05);
        }
        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--c-primary);
            background: rgba(10, 14, 25, 0.75);
            padding: 5px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(198, 244, 50, 0.15);
        }
        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-excerpt {
            font-size: 14px;
            line-height: 1.6;
            color: var(--c-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 18px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--c-border);
        }
        .card-meta span {
            font-size: 12px;
            color: var(--c-muted);
        }
        .read-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--c-text);
            transition: all var(--curve) 0.3s;
        }
        .read-link i {
            font-size: 11px;
            transition: transform var(--curve) 0.3s;
        }
        .read-link:hover {
            color: var(--c-primary);
        }
        .read-link:hover i {
            transform: translateX(3px);
        }
        .showcase-footer {
            margin-top: 40px;
            text-align: center;
        }

        @media (max-width: 991px) {
            .showcase-grid .col-md-6 {
                margin-bottom: 20px;
            }
        }

        /* ============ Cat Scenes ============ */
        .cat-scenes {
            background: var(--c-bg-2);
            position: relative;
            overflow: hidden;
        }
        .cat-scenes::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.15), transparent 60%);
            pointer-events: none;
        }
        .cat-scenes .container {
            position: relative;
            z-index: 2;
        }
        .scene-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text);
            transition: all var(--curve) 0.3s;
            cursor: default;
        }
        .scene-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
            border-radius: 50%;
            opacity: 0.6;
        }
        .scene-tag:hover {
            border-color: rgba(198, 244, 50, 0.35);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        /* ============ Cat Process ============ */
        .cat-process {
            background: var(--c-bg);
        }
        .process-steps {
            margin-top: 8px;
        }
        .process-step {
            text-align: center;
            padding: 36px 28px;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            height: 100%;
            transition: all var(--curve) 0.3s;
            position: relative;
        }
        .process-step:hover {
            border-color: rgba(198, 244, 50, 0.25);
            transform: translateY(-4px);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 18px;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 12px;
        }
        .process-step p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--c-muted);
            margin-bottom: 0;
        }

        @media (max-width: 991px) {
            .process-steps .col-lg-4 {
                margin-bottom: 20px;
            }
        }

        /* ============ Cat FAQ ============ */
        .cat-faq {
            background: var(--c-bg-2);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.4fr;
            gap: 56px;
            align-items: start;
        }
        .faq-side .section-eyebrow {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.09em;
            text-transform: uppercase;
            color: var(--c-primary);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .faq-side h2 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--c-text);
        }
        .faq-side p {
            color: var(--c-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .accordion-item {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--curve) 0.3s;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(198, 244, 50, 0.35);
        }
        .accordion-button {
            background: transparent;
            color: var(--c-text);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: 0 !important;
            transition: color var(--curve) 0.3s;
        }
        .accordion-button::after {
            filter: invert(0.8);
            transition: transform var(--curve) 0.3s;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(198, 244, 50, 0.04);
            color: var(--c-primary);
            box-shadow: none;
        }
        .accordion-button:not(.collapsed)::after {
            filter: none;
            transform: rotate(180deg);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(198, 244, 50, 0.3);
        }
        .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--c-muted);
        }

        @media (max-width: 991px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        /* ============ Cat CTA ============ */
        .cat-cta {
            background: var(--c-bg);
        }
        .cta-card {
            background: linear-gradient(135deg, #1A2338 0%, #0D1322 100%);
            border: 1px solid rgba(198, 244, 50, 0.15);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-cyan), var(--c-secondary));
        }
        .cta-card h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 12px;
        }
        .cta-card p {
            color: var(--c-muted);
            font-size: 16px;
            max-width: 480px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto 20px;
        }
        .cta-form input {
            flex: 1;
            height: 48px;
            padding: 0 18px;
            background: rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 14px;
            color: var(--c-text);
            font-size: 15px;
            outline: none;
            transition: all var(--curve) 0.3s;
        }
        .cta-form input::placeholder {
            color: #6F7C92;
        }
        .cta-form input:focus {
            border-color: rgba(198, 244, 50, 0.4);
            box-shadow: 0 0 0 4px rgba(198, 244, 50, 0.08);
        }
        .cta-form .btn-primary {
            height: 48px;
            padding: 0 24px;
            white-space: nowrap;
        }
        .cta-shop-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--c-muted);
            transition: all var(--curve) 0.3s;
        }
        .cta-shop-link i {
            font-size: 12px;
            transition: transform var(--curve) 0.3s;
        }
        .cta-shop-link:hover {
            color: var(--c-primary);
        }
        .cta-shop-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 576px) {
            .cta-card {
                padding: 40px 24px;
                border-radius: 20px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form .btn-primary {
                width: 100%;
            }
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #070B12;
            border-top: 2px solid transparent;
            border-image: linear-gradient(90deg, var(--c-primary), var(--c-cyan), var(--c-secondary)) 1;
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--c-text);
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--c-muted);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--c-muted);
            transition: all var(--curve) 0.3s;
        }
        .footer-links a:hover {
            color: var(--c-primary);
            padding-left: 4px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--c-muted);
        }
        .footer-contact i {
            color: var(--c-primary);
            font-size: 13px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 14px;
            color: var(--c-muted);
            margin: 0;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ============ Focus Visible ============ */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--c-primary);
            outline-offset: 2px;
        }

        /* ============ Scrollbar ============ */
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: var(--c-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: #2A3448;
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3A465E;
        }

/* roulang page: category2 */
:root {
    --c-bg: #0A0E19;
    --c-bg-2: #0D1322;
    --c-card: #12182B;
    --c-elev: #1A2338;
    --c-border: rgba(255,255,255,0.08);
    --c-primary: #C6F432;
    --c-secondary: #7C5CFF;
    --c-cyan: #64D2FF;
    --c-text: #E4EAF4;
    --c-muted: #8E9BB0;
    --c-on-primary: #0A0E19;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --shadow-sm: 0 10px 30px rgba(0,0,0,0.3);
    --shadow-lg: 0 24px 50px rgba(0,0,0,0.45);
    --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--c-bg);
    color: var(--c-text);
    line-height: 1.7;
    font-size: 1rem;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all .3s cubic-bezier(.2,.8,.2,1);
}

button, input {
    font-family: inherit;
}

.container {
    max-width: 1200px;
    padding-left: 22px;
    padding-right: 22px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1080;
    background: rgba(10,14,25,0.92);
    border-bottom: 1px solid var(--c-border);
    height: 74px;
    backdrop-filter: blur(6px);
}

.site-header .navbar {
    min-height: 74px;
    padding: 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    gap: 24px;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    margin: 0;
    line-height: 1;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #C6F432 0%, #64D2FF 70%, #7C5CFF 100%);
    color: #0A0E19;
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: .02em;
    flex: 0 0 auto;
    box-shadow: 0 6px 20px rgba(100,210,255,0.22);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--c-text);
    white-space: nowrap;
    letter-spacing: .01em;
}

.logo-text span {
    color: var(--c-primary);
    font-weight: 600;
    margin-left: 2px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto 0 36px;
}

.header-nav .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    font-size: 15px;
    color: var(--c-muted);
    border-radius: 10px;
    font-weight: 500;
    position: relative;
    transition: color .3s ease, background .3s ease;
}

.header-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-cyan));
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .3s ease;
}

.header-nav .nav-link:hover,
.header-nav .nav-link:focus-visible {
    color: #fff;
    background: rgba(255,255,255,0.04);
}

.header-nav .nav-link:hover::after,
.header-nav .nav-link:focus-visible::after {
    transform: scaleX(1);
}

.header-nav .nav-link.active {
    color: #fff;
}

.header-nav .nav-link.active::after {
    transform: scaleX(1);
}

.navbar-toggler {
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 10px;
    padding: 6px 10px;
    background: rgba(255,255,255,0.03);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(228,234,244,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 2px rgba(198,244,50,0.5);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

/* Mega */
.mega-wrap {
    position: relative;
}

.mega-toggle {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--c-border);
    color: var(--c-text);
    font-size: 14px;
    font-weight: 500;
    padding: 9px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all .3s ease;
}

.mega-toggle i {
    font-size: 12px;
    transition: transform .3s ease;
}

.mega-toggle:hover,
.mega-toggle:focus-visible {
    border-color: rgba(198,244,50,0.45);
    color: var(--c-primary);
    outline: none;
}

.mega-wrap:hover .mega-toggle i,
.mega-wrap.open .mega-toggle i {
    transform: rotate(180deg);
}

.mega-panel {
    position: absolute;
    top: calc(100% + 16px);
    right: 0;
    width: 720px;
    max-width: calc(100vw - 32px);
    background: var(--c-elev);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 22px;
    padding: 26px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
    z-index: 100;
}

.mega-wrap:hover .mega-panel,
.mega-wrap.open .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr 0.9fr;
    gap: 26px;
}

.mega-col h5 {
    font-size: 13px;
    font-weight: 700;
    color: var(--c-muted);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--c-border);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-cloud a {
    display: inline-block;
    font-size: 13px;
    color: var(--c-muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--c-border);
    padding: 6px 12px;
    border-radius: 999px;
    transition: all .3s ease;
}

.tag-cloud a:hover {
    color: var(--c-primary);
    border-color: rgba(198,244,50,0.4);
    background: rgba(198,244,50,0.06);
}

.mega-news {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mega-news-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,0.02);
    transition: background .3s ease;
}

.mega-news-item:hover {
    background: rgba(255,255,255,0.06);
}

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

.mega-news-title {
    font-size: 14px;
    color: var(--c-text);
    transition: color .3s ease;
}

.mega-news-date {
    font-size: 12px;
    color: var(--c-muted);
    white-space: nowrap;
}

.mega-card {
    display: block;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.12);
    background: var(--c-card);
    transition: border-color .3s ease, transform .3s ease;
}

.mega-card:hover {
    border-color: rgba(198,244,50,0.4);
    transform: translateY(-3px);
}

.mega-card img {
    width: 100%;
    height: 84px;
    object-fit: cover;
}

.mega-card-content {
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mega-card-content strong {
    font-size: 14px;
    color: var(--c-text);
}

.mega-card-content span {
    font-size: 13px;
    color: var(--c-primary);
}

.mega-card-content i {
    font-size: 12px;
}

/* Header CTA */
.btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--c-primary);
    color: var(--c-on-primary);
    font-size: 14px;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all .3s cubic-bezier(.2,.8,.2,1);
    white-space: nowrap;
}

.btn-header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(198,244,50,0.25);
    color: var(--c-on-primary);
}

/* ===== Page Banner ===== */
.page-banner {
    padding: 168px 0 76px;
    background: linear-gradient(rgba(10,14,25,0.82), rgba(10,14,25,0.88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    border-bottom: 1px solid var(--c-border);
    position: relative;
}

.page-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 85% 20%, rgba(124,92,255,0.20), transparent 45%), radial-gradient(circle at 10% 80%, rgba(198,244,50,0.08), transparent 40%);
    pointer-events: none;
}

.breadcrumb-nav {
    font-size: 13px;
    color: var(--c-muted);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    z-index: 1;
}

.breadcrumb-nav a {
    color: var(--c-muted);
}

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

.breadcrumb-nav .sep {
    color: rgba(255,255,255,0.25);
}

.banner-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 44px;
    position: relative;
    z-index: 1;
}

.banner-text {
    flex: 1 1 60%;
}

.eyebrow {
    display: inline-block;
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--c-primary);
    background: rgba(198,244,50,0.08);
    border: 1px solid rgba(198,244,50,0.25);
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
    text-transform: uppercase;
}

.page-banner h1 {
    font-size: clamp(2.2rem, 4.4vw, 3.6rem);
    font-weight: 800;
    line-height: 1.14;
    margin: 0 0 16px;
    color: #fff;
    letter-spacing: -0.02em;
}

.banner-subtitle {
    font-size: 17px;
    color: var(--c-muted);
    max-width: 560px;
    margin: 0;
    line-height: 1.7;
}

.banner-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    flex: 0 0 300px;
}

.stat-card {
    background: rgba(18,24,43,0.7);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 22px;
    padding: 20px 22px;
    transition: border-color .3s ease, transform .3s ease;
}

.stat-card:hover {
    border-color: rgba(198,244,50,0.3);
    transform: translateY(-2px);
}

.stat-card span {
    display: block;
    font-size: 34px;
    line-height: 1.2;
    font-weight: 800;
    background: linear-gradient(135deg, #C6F432 0%, #64D2FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}

.stat-card i {
    font-style: normal;
    font-size: 13px;
    color: var(--c-muted);
}

/* ===== Section Common ===== */
.section {
    padding: 92px 0;
}

.section.tint {
    background: var(--c-bg-2);
}

.section-head {
    max-width: 680px;
    margin-bottom: 48px;
}

.section-head.left {
    margin-left: 0;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--c-cyan);
    background: rgba(100,210,255,0.08);
    border: 1px solid rgba(100,210,255,0.22);
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.section-head h2 {
    font-size: clamp(1.7rem, 2.8vw, 2.1rem);
    font-weight: 700;
    line-height: 1.28;
    color: #fff;
    margin: 0 0 14px;
    letter-spacing: -0.01em;
}

.section-head p {
    font-size: 15px;
    color: var(--c-muted);
    margin: 0;
}

/* ===== Feature Cards ===== */
.feature-card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 30px 26px;
    height: 100%;
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(198,244,50,0.35);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(198,244,50,0.16), rgba(100,210,255,0.14));
    border: 1px solid rgba(198,244,50,0.3);
    color: var(--c-primary);
    font-size: 20px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.12rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--c-muted);
    margin: 0;
    line-height: 1.7;
}

/* ===== Scenario ===== */
.scenario-section {
    background: var(--c-bg-2);
    position: relative;
}

.scenario-section .container {
    position: relative;
    z-index: 1;
}

.scenario-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.scenario-media img {
    width: 100%;
    height: 440px;
    object-fit: cover;
}

.scenario-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,14,25,0.4), transparent 60%);
    pointer-events: none;
}

.scenario-badge {
    position: absolute;
    left: 22px;
    bottom: 22px;
    background: rgba(10,14,25,0.78);
    border: 1px solid rgba(198,244,50,0.35);
    border-radius: 16px;
    padding: 14px 20px;
    backdrop-filter: blur(4px);
    z-index: 1;
}

.scenario-badge strong {
    display: block;
    font-size: 18px;
    color: var(--c-primary);
}

.scenario-badge span {
    font-size: 13px;
    color: var(--c-muted);
}

.scenario-list {
    margin-top: 6px;
}

.scenario-item {
    display: flex;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid var(--c-border);
}

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

.scenario-num {
    font-size: 15px;
    font-weight: 800;
    color: var(--c-primary);
    background: rgba(198,244,50,0.08);
    border: 1px solid rgba(198,244,50,0.2);
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 38px;
    margin-top: 2px;
}

.scenario-item strong {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
}

.scenario-item p {
    font-size: 14px;
    color: var(--c-muted);
    margin: 0;
    line-height: 1.7;
}

/* ===== Process ===== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.process-step {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 30px 26px;
    position: relative;
    transition: border-color .3s ease, transform .3s ease;
}

.process-step:hover {
    border-color: rgba(198,244,50,0.3);
    transform: translateY(-4px);
}

.process-step > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(198,244,50,0.12);
    border: 1px solid rgba(198,244,50,0.3);
    color: var(--c-primary);
    font-weight: 800;
    font-size: 15px;
    margin-bottom: 18px;
}

.process-step h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.process-step p {
    font-size: 14px;
    color: var(--c-muted);
    margin: 0;
    line-height: 1.7;
}

/* ===== Guide Cards ===== */
.guide-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--c-card);
    border: 1px solid var(--c-border);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.guide-card:hover {
    transform: translateY(-6px);
    border-color: rgba(198,244,50,0.35);
    box-shadow: var(--shadow-lg);
}

.guide-card .card-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.guide-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}

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

.guide-card .card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,14,25,0.5), transparent 55%);
    pointer-events: none;
}

.card-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(10,14,25,0.8);
    color: var(--c-primary);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid rgba(198,244,50,0.3);
    z-index: 1;
}

.guide-card-body {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.guide-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.4;
}

.guide-card-body p {
    font-size: 14px;
    color: var(--c-muted);
    margin: 0 0 18px;
    line-height: 1.7;
    flex: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary);
    margin-top: auto;
}

.card-link i {
    transition: transform .3s ease;
}

.card-link:hover {
    color: var(--c-cyan);
}

.card-link:hover i {
    transform: translateX(4px);
}

/* ===== FAQ / Accordion ===== */
.faq-section {
    background: var(--c-bg-2);
}

.accordion {
    --bs-accordion-bg: transparent;
    --bs-accordion-border-width: 0;
    --bs-accordion-btn-padding-y: 18px;
    --bs-accordion-btn-padding-x: 0;
    --bs-accordion-body-padding-y: 0;
    --bs-accordion-active-bg: transparent;
    --bs-accordion-active-color: #fff;
}

.accordion-item {
    background: var(--c-card);
    border: 1px solid var(--c-border) !important;
    border-radius: 16px !important;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .3s ease;
}

.accordion-item:has(.accordion-button:not(.collapsed)) {
    border-color: rgba(198,244,50,0.35) !important;
}

.accordion-button {
    background: transparent;
    color: var(--c-text);
    font-size: 15px;
    font-weight: 600;
    padding: 20px 22px;
    border: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    gap: 14px;
}

.accordion-button::after {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    background-image: none;
    content: "+";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(198,244,50,0.08);
    color: var(--c-primary);
    font-size: 18px;
    font-weight: 600;
    border: 1px solid rgba(198,244,50,0.25);
    transition: transform .3s ease;
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(45deg);
    background-color: var(--c-primary);
    color: var(--c-on-primary);
    border-color: var(--c-primary);
}

.accordion-button:not(.collapsed) {
    background: rgba(255,255,255,0.02);
    color: #fff;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
    outline: none;
}

.accordion-button:focus-visible {
    box-shadow: 0 0 0 2px rgba(198,244,50,0.5);
    border-radius: 14px;
}

.accordion-body {
    padding: 0 22px 20px;
    color: var(--c-muted);
    font-size: 14px;
    line-height: 1.75;
    background: transparent;
}

.accordion-collapse {
    background: transparent;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
}

.cta-card {
    background: linear-gradient(135deg, #1A2338 0%, #0D1322 100%);
    border: 1px solid rgba(198,244,50,0.25);
    border-radius: var(--radius-lg);
    padding: 60px 54px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -40px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,92,255,0.25), transparent 70%);
    pointer-events: none;
}

.cta-card::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -50px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(198,244,50,0.12), transparent 70%);
    pointer-events: none;
}

.cta-card h2 {
    font-size: clamp(1.6rem, 2.6vw, 2.2rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.cta-card p {
    font-size: 15px;
    color: var(--c-muted);
    max-width: 520px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
}

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

.btn {
    border-radius: 14px;
    padding: 12px 26px;
    font-size: 15px;
    font-weight: 600;
    transition: all .3s cubic-bezier(.2,.8,.2,1);
}

.btn-primary {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-on-primary);
}

.btn-primary:hover {
    background: #d4f85c;
    border-color: #d4f85c;
    color: var(--c-on-primary);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(198,244,50,0.25);
}

.btn-outline-light {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--c-text);
}

.btn-outline-light:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    background: rgba(198,244,50,0.05);
    transform: translateY(-2px);
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--c-primary);
}

/* ===== Footer ===== */
.site-footer {
    background: #070B12;
    border-top: 2px solid;
    border-image: linear-gradient(90deg, var(--c-primary), var(--c-cyan), var(--c-secondary)) 1;
    padding: 64px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 44px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}

.footer-desc {
    font-size: 14px;
    color: var(--c-muted);
    line-height: 1.75;
    margin: 0;
    max-width: 300px;
}

.footer-col h5 {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: .02em;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links li {
    line-height: 1.4;
}

.footer-links a {
    font-size: 14px;
    color: var(--c-muted);
    transition: color .3s ease, padding-left .3s ease;
}

.footer-links a:hover {
    color: var(--c-primary);
    padding-left: 4px;
}

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

.footer-contact span {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--c-muted);
}

.footer-contact i {
    color: var(--c-cyan);
    width: 16px;
    text-align: center;
    font-size: 13px;
}

.footer-bottom {
    border-top: 1px solid var(--c-border);
    padding-top: 22px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--c-muted);
    margin: 0;
}

.footer-bottom a {
    color: var(--c-muted);
}

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

/* ===== Responsive ===== */
@media (min-width: 992px) {
    .header-nav {
        flex: 1 1 auto;
    }
    .header-actions {
        flex: 0 0 auto;
    }
}

@media (max-width: 991.98px) {
    .site-header {
        height: auto;
        min-height: 74px;
        position: absolute;
        background: rgba(10,14,25,0.98);
    }

    .site-header .container {
        flex-wrap: wrap;
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .navbar-collapse {
        flex-basis: 100%;
        width: 100%;
        padding-top: 14px;
    }

    .header-nav {
        flex-direction: column;
        align-items: flex-start;
        margin: 0 0 14px;
        width: 100%;
        gap: 2px;
    }

    .header-nav .nav-link {
        width: 100%;
        padding: 12px 8px;
        font-size: 16px;
        border-radius: 10px;
    }

    .header-nav .nav-link::after {
        display: none;
    }

    .header-nav .nav-link.active {
        background: rgba(198,244,50,0.08);
        color: var(--c-primary);
    }

    .header-actions {
        margin-left: 0;
        width: 100%;
        justify-content: flex-start;
        padding-bottom: 14px;
    }

    .mega-panel {
        position: static;
        width: 100%;
        max-width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 12px;
        display: none;
        border-radius: 18px;
    }

    .mega-wrap.open .mega-panel {
        display: block;
    }

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

    .navbar-brand {
        margin-right: auto;
    }

    .banner-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }

    .banner-stats {
        flex: none;
        width: 100%;
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 767.98px) {
    .section {
        padding: 60px 0;
    }

    .page-banner {
        padding: 130px 0 52px;
    }

    .page-banner h1 {
        font-size: 2.1rem;
    }

    .banner-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
        border-radius: 16px;
    }

    .stat-card span {
        font-size: 28px;
    }

    .banner-subtitle {
        font-size: 15px;
    }

    .section-head {
        margin-bottom: 32px;
    }

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

    .guide-card .card-media {
        aspect-ratio: 16 / 9;
    }

    .cta-card {
        padding: 40px 24px;
        border-radius: 20px;
    }

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

    .cta-actions .btn {
        width: 100%;
        text-align: center;
    }

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

    .scenario-media img {
        height: 320px;
    }

    .mega-grid {
        max-height: 300px;
    }

    .header-actions {
        gap: 10px;
    }

    .btn-header-cta {
        padding: 9px 16px;
        font-size: 13px;
    }

    .mega-toggle {
        padding: 8px 13px;
        font-size: 13px;
    }
}

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

    .banner-stats {
        grid-template-columns: 1fr 1fr;
    }

    .stat-card span {
        font-size: 24px;
    }

    .section-head h2 {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 24px 20px;
    }

    .scenario-item {
        gap: 14px;
        padding: 18px 0;
    }
}