/* roulang page: index */
/* ===== Design Variables ===== */
    :root {
        --bg-deep: #030712;
        --bg-navy: #081229;
        --bg-panel: rgba(15, 23, 42, 0.72);
        --bg-glass: rgba(8, 18, 41, 0.55);
        --blue-primary: #2563EB;
        --blue-bright: #3B82F6;
        --cyan-glow: #38BDF8;
        --cyan-holo: #60A5FA;
        --ice-slate: #94A3B8;
        --polar-white: #F8FAFC;
        --white: #FFFFFF;
        --gold-accent: #FCD34D;
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.5);
        --shadow-glow-blue: 0 0 20px rgba(37, 99, 235, 0.35);
        --shadow-glow-cyan: 0 0 24px rgba(56, 189, 248, 0.4);
        --shadow-cyan-strong: 0 0 40px rgba(56, 189, 248, 0.55);
        --border-glass: 1px solid rgba(56, 189, 248, 0.18);
        --border-active: 1px solid rgba(56, 189, 248, 0.6);
        --transition-fast: 0.2s ease;
        --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-sans);
        background: var(--bg-deep);
        color: var(--polar-white);
        line-height: 1.6;
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

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

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

    a:hover {
        color: var(--cyan-glow);
    }

    button, input, select, textarea {
        font-family: inherit;
        font-size: 1rem;
        border: none;
        outline: none;
        background: transparent;
        color: inherit;
    }

    button {
        cursor: pointer;
    }

    h1, h2, h3, h4, h5, h6 {
        line-height: 1.25;
        font-weight: 700;
        letter-spacing: -0.01em;
    }

    /* ===== Container ===== */
    .container {
        width: 100%;
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
    }

    @media (max-width: 768px) {
        .container {
            padding: 0 16px;
        }
    }

    /* ===== Header & Navigation ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(3, 7, 18, 0.82);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(56, 189, 248, 0.12);
        transition: background var(--transition-smooth), border-color var(--transition-smooth);
    }

    .site-header.scrolled {
        background: rgba(3, 7, 18, 0.95);
        border-bottom-color: rgba(56, 189, 248, 0.25);
    }

    .nav-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        padding: 14px 0;
        min-height: 68px;
        flex-wrap: nowrap;
    }

    .nav-logo {
        flex-shrink: 0;
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.05rem;
        letter-spacing: -0.02em;
        color: var(--white);
        white-space: nowrap;
    }

    .nav-logo .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        color: var(--white);
        box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
        flex-shrink: 0;
    }

    .nav-logo .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }

    .nav-logo .logo-text .logo-title {
        font-size: 0.98rem;
        font-weight: 800;
    }

    .nav-logo .logo-text .logo-subtitle {
        font-size: 0.68rem;
        font-weight: 400;
        color: var(--ice-slate);
        letter-spacing: 0.03em;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 8px;
        list-style: none;
        flex: 1;
        justify-content: center;
    }

    .nav-menu li {
        list-style: none;
    }

    .nav-menu a {
        display: block;
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        color: var(--ice-slate);
        font-size: 0.9rem;
        font-weight: 500;
        white-space: nowrap;
        position: relative;
        transition: color var(--transition-fast), background var(--transition-fast);
    }

    .nav-menu a:hover {
        color: var(--polar-white);
        background: rgba(56, 189, 248, 0.08);
    }

    .nav-menu a.active {
        color: var(--white);
        background: rgba(56, 189, 248, 0.15);
        box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.3);
    }

    .nav-menu a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 2px;
        background: var(--cyan-glow);
        border-radius: 2px;
        box-shadow: 0 0 8px var(--cyan-glow);
    }

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

    .btn-login, .btn-signup {
        padding: 9px 20px;
        border-radius: var(--radius-sm);
        font-size: 0.9rem;
        font-weight: 600;
        white-space: nowrap;
        transition: all var(--transition-fast);
        border: 1px solid transparent;
    }

    .btn-login {
        color: var(--polar-white);
        background: transparent;
        border-color: rgba(56, 189, 248, 0.35);
    }

    .btn-login:hover {
        background: rgba(56, 189, 248, 0.1);
        border-color: rgba(56, 189, 248, 0.6);
        color: var(--white);
    }

    .btn-signup {
        color: var(--bg-deep);
        background: linear-gradient(135deg, var(--blue-bright), var(--cyan-glow));
        box-shadow: var(--shadow-glow-blue);
        border-color: transparent;
        font-weight: 700;
    }

    .btn-signup:hover {
        box-shadow: var(--shadow-glow-cyan);
        transform: translateY(-1px);
        color: var(--bg-deep);
    }

    .nav-toggle {
        display: none;
        background: transparent;
        border: none;
        color: var(--polar-white);
        font-size: 1.4rem;
        padding: 8px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: background var(--transition-fast);
        flex-shrink: 0;
    }

    .nav-toggle:hover {
        background: rgba(56, 189, 248, 0.12);
    }

    @media (max-width: 992px) {
        .nav-menu {
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: rgba(3, 7, 18, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            padding: 16px 24px 24px;
            border-bottom: 1px solid rgba(56, 189, 248, 0.2);
            transform: translateY(-140%);
            opacity: 0;
            pointer-events: none;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
            z-index: 999;
        }

        .nav-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .nav-menu a {
            padding: 14px 16px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .nav-menu a.active::after {
            display: none;
        }

        .nav-toggle {
            display: block;
        }

        .nav-actions {
            gap: 8px;
        }

        .btn-login, .btn-signup {
            padding: 8px 14px;
            font-size: 0.82rem;
        }
    }

    @media (max-width: 520px) {
        .nav-logo {
            font-size: 0.85rem;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 1rem;
        }

        .nav-logo .logo-text .logo-title {
            font-size: 0.8rem;
        }

        .nav-logo .logo-text .logo-subtitle {
            font-size: 0.6rem;
        }

        .btn-login, .btn-signup {
            padding: 7px 12px;
            font-size: 0.78rem;
        }

        .nav-actions {
            gap: 6px;
        }

        .nav-inner {
            gap: 8px;
            padding: 10px 0;
            min-height: 58px;
        }

        .nav-menu {
            top: 58px;
        }
    }

    /* ===== Hero Section ===== */
    .hero {
        position: relative;
        padding: 160px 0 100px;
        min-height: 80vh;
        display: flex;
        align-items: center;
        overflow: hidden;
        background: var(--bg-deep);
    }

    .hero-bg {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image: url('/assets/images/5450f290c44618e6.jpg');
        background-size: cover;
        background-position: center;
        z-index: 0;
        opacity: 0.45;
        filter: saturate(0.85) contrast(1.05);
    }

    .hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(3,7,18,0.55) 0%, rgba(8,18,41,0.75) 45%, rgba(3,7,18,0.92) 100%);
        z-index: 1;
    }

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

    .hero-content {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 48px;
        align-items: center;
    }

    .hero-text {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(56, 189, 248, 0.15);
        border: 1px solid rgba(56, 189, 248, 0.35);
        border-radius: 50px;
        padding: 8px 18px;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--cyan-glow);
        letter-spacing: 0.02em;
        width: fit-content;
        box-shadow: 0 0 16px rgba(56, 189, 248, 0.2);
        text-transform: uppercase;
    }

    .hero h1 {
        font-size: 2.8rem;
        font-weight: 800;
        line-height: 1.15;
        color: var(--white);
        max-width: 750px;
        text-shadow: 0 0 30px rgba(56, 189, 248, 0.3);
    }

    .hero h1 .highlight {
        background: linear-gradient(135deg, var(--cyan-glow), var(--blue-bright), var(--cyan-holo));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-subtitle {
        font-size: 1.15rem;
        color: var(--ice-slate);
        max-width: 650px;
        line-height: 1.6;
    }

    .hero-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 8px;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        background: rgba(248, 250, 252, 0.06);
        border-radius: 6px;
        font-size: 0.82rem;
        color: var(--polar-white);
        border: 1px solid rgba(248, 250, 252, 0.1);
    }

    .hero-badge i {
        color: var(--cyan-glow);
        font-size: 0.8rem;
    }

    .hero-form-card {
        background: var(--bg-glass);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: var(--border-glass);
        border-radius: var(--radius-lg);
        padding: 32px;
        box-shadow: var(--shadow-md), var(--shadow-glow-blue);
    }

    .hero-form-card h3 {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 6px;
    }

    .hero-form-card p {
        font-size: 0.92rem;
        color: var(--ice-slate);
        margin-bottom: 18px;
    }

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

    .form-group input {
        width: 100%;
        padding: 14px 16px;
        background: rgba(3, 7, 18, 0.7);
        border: 1px solid rgba(56, 189, 248, 0.2);
        border-radius: var(--radius-sm);
        color: var(--polar-white);
        font-size: 0.95rem;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .form-group input::placeholder {
        color: rgba(148, 163, 184, 0.7);
    }

    .form-group input:focus {
        border-color: rgba(56, 189, 248, 0.6);
        box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
    }

    .form-submit-btn {
        width: 100%;
        padding: 14px 20px;
        background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
        border-radius: var(--radius-sm);
        color: var(--bg-deep);
        font-weight: 700;
        font-size: 1rem;
        box-shadow: var(--shadow-glow-blue);
        transition: all var(--transition-fast);
        border: 1px solid transparent;
    }

    .form-submit-btn:hover {
        box-shadow: var(--shadow-glow-cyan);
        transform: translateY(-2px);
        color: var(--bg-deep);
    }

    .form-note {
        font-size: 0.75rem;
        color: rgba(148, 163, 184, 0.7);
        margin-top: 12px;
        text-align: center;
    }

    @media (max-width: 1024px) {
        .hero {
            padding: 140px 0 70px;
            min-height: auto;
        }

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

        .hero h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 520px) {
        .hero {
            padding: 120px 0 50px;
        }

        .hero h1 {
            font-size: 1.7rem;
        }

        .hero-subtitle {
            font-size: 1rem;
        }

        .hero-form-card {
            padding: 20px;
        }

        .hero-badges {
            gap: 8px;
        }

        .hero-badge {
            font-size: 0.75rem;
            padding: 6px 10px;
        }
    }

    /* ===== Section Common ===== */
    .section {
        padding: 80px 0;
        position: relative;
    }

    .section-alt {
        background: var(--bg-navy);
    }

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

    .section-header {
        margin-bottom: 40px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .section-header.center {
        align-items: center;
        text-align: center;
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.75rem;
        font-weight: 700;
        color: var(--cyan-glow);
        text-transform: uppercase;
        letter-spacing: 0.08em;
        padding: 6px 14px;
        background: rgba(56, 189, 248, 0.1);
        border-radius: 50px;
        border: 1px solid rgba(56, 189, 248, 0.25);
    }

    .section-header h2 {
        font-size: 2rem;
        font-weight: 800;
        color: var(--white);
        max-width: 750px;
        line-height: 1.2;
    }

    .section-header p {
        font-size: 1rem;
        color: var(--ice-slate);
        max-width: 700px;
        line-height: 1.65;
    }

    @media (max-width: 768px) {
        .section {
            padding: 50px 0;
        }

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

        .section-header p {
            font-size: 0.92rem;
        }
    }

    /* ===== Search/Entry Section ===== */
    .search-entry-block {
        background: var(--bg-glass);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: var(--border-glass);
        border-radius: var(--radius-lg);
        padding: 32px;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .search-bar {
        display: flex;
        gap: 12px;
        align-items: center;
        background: rgba(3, 7, 18, 0.65);
        border: 1px solid rgba(56, 189, 248, 0.2);
        border-radius: var(--radius-sm);
        padding: 6px 6px 6px 16px;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .search-bar:focus-within {
        border-color: rgba(56, 189, 248, 0.6);
        box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
    }

    .search-bar input {
        flex: 1;
        padding: 10px 0;
        font-size: 0.95rem;
        color: var(--polar-white);
        background: transparent;
        border: none;
        outline: none;
    }

    .search-bar input::placeholder {
        color: rgba(148, 163, 184, 0.7);
    }

    .search-bar button {
        padding: 10px 20px;
        background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
        border-radius: var(--radius-sm);
        color: var(--bg-deep);
        font-weight: 600;
        font-size: 0.9rem;
        white-space: nowrap;
        box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
        transition: all var(--transition-fast);
    }

    .search-bar button:hover {
        box-shadow: var(--shadow-glow-cyan);
    }

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

    .search-tag {
        padding: 6px 14px;
        background: rgba(248, 250, 252, 0.06);
        border: 1px solid rgba(148, 163, 184, 0.2);
        border-radius: 50px;
        font-size: 0.8rem;
        color: var(--ice-slate);
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .search-tag:hover {
        border-color: rgba(56, 189, 248, 0.5);
        color: var(--cyan-glow);
        background: rgba(56, 189, 248, 0.08);
    }

    @media (max-width: 520px) {
        .search-entry-block {
            padding: 20px;
        }

        .search-bar {
            flex-wrap: wrap;
            padding: 8px;
        }

        .search-bar input {
            font-size: 0.85rem;
            padding: 8px 4px;
        }

        .search-bar button {
            width: 100%;
        }
    }

    /* ===== Category Matrix ===== */
    .category-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .category-card {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        border: var(--border-glass);
        background: var(--bg-glass);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 28px;
        display: flex;
        flex-direction: column;
        gap: 14px;
        transition: all var(--transition-smooth);
        min-height: 220px;
    }

    .category-card:hover {
        border-color: rgba(56, 189, 248, 0.5);
        box-shadow: var(--shadow-glow-cyan);
        transform: translateY(-4px);
    }

    .category-card .cat-icon {
        width: 50px;
        height: 50px;
        border-radius: 12px;
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.3), rgba(56, 189, 248, 0.3));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        color: var(--cyan-glow);
        border: 1px solid rgba(56, 189, 248, 0.3);
    }

    .category-card h3 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--white);
    }

    .category-card p {
        font-size: 0.88rem;
        color: var(--ice-slate);
        line-height: 1.55;
        flex: 1;
    }

    .category-card .cat-link {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--cyan-glow);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .category-card .cat-link i {
        font-size: 0.75rem;
        transition: transform var(--transition-fast);
    }

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

    @media (max-width: 768px) {
        .category-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .category-card {
            min-height: auto;
            padding: 20px;
        }
    }

    /* ===== Featured List ===== */
    .featured-list {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .featured-item {
        background: var(--bg-glass);
        border: var(--border-glass);
        border-radius: var(--radius-md);
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        transition: all var(--transition-smooth);
        min-height: 150px;
    }

    .featured-item:hover {
        border-color: rgba(56, 189, 248, 0.5);
        box-shadow: var(--shadow-glow-blue);
        transform: translateY(-3px);
    }

    .featured-item .featured-badge {
        font-size: 0.7rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--cyan-glow);
        background: rgba(56, 189, 248, 0.12);
        padding: 4px 10px;
        border-radius: 50px;
        width: fit-content;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .featured-item h3 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--white);
        line-height: 1.35;
    }

    .featured-item p {
        font-size: 0.82rem;
        color: var(--ice-slate);
        line-height: 1.5;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .featured-item .featured-meta {
        font-size: 0.72rem;
        color: rgba(148, 163, 184, 0.7);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    @media (max-width: 1024px) {
        .featured-list {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 520px) {
        .featured-list {
            grid-template-columns: 1fr;
        }
    }

    /* ===== Selling Points ===== */
    .selling-points-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .selling-point {
        padding: 26px;
        border-left: 3px solid var(--cyan-glow);
        background: rgba(8, 18, 41, 0.4);
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        transition: all var(--transition-smooth);
    }

    .selling-point:hover {
        background: rgba(8, 18, 41, 0.7);
        box-shadow: var(--shadow-glow-blue);
    }

    .selling-point .sp-icon {
        font-size: 1.6rem;
        color: var(--cyan-glow);
        margin-bottom: 12px;
    }

    .selling-point h3 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 8px;
    }

    .selling-point p {
        font-size: 0.9rem;
        color: var(--ice-slate);
        line-height: 1.6;
    }

    @media (max-width: 768px) {
        .selling-points-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .selling-point {
            padding: 20px;
        }
    }

    /* ===== Scene Demo ===== */
    .scene-demo {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .scene-visual {
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: var(--border-glass);
        box-shadow: var(--shadow-md);
        min-height: 300px;
        position: relative;
        background-image: url('/assets/images/72803a9097888eec.jpg');
        background-size: cover;
        background-position: center;
        display: flex;
        align-items: flex-end;
        justify-content: flex-start;
        padding: 24px;
    }

    .scene-visual .scene-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(3,7,18,0.15) 0%, rgba(3,7,18,0.6) 50%, rgba(3,7,18,0.85) 100%);
        border-radius: var(--radius-lg);
    }

    .scene-visual .scene-caption {
        position: relative;
        z-index: 1;
        color: var(--polar-white);
        font-weight: 600;
        font-size: 0.95rem;
        text-shadow: 0 2px 8px rgba(0,0,0,0.6);
    }

    .scene-content h3 {
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--white);
        margin-bottom: 12px;
    }

    .scene-content p {
        font-size: 0.95rem;
        color: var(--ice-slate);
        line-height: 1.65;
        margin-bottom: 12px;
    }

    .scene-content ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .scene-content ul li {
        font-size: 0.9rem;
        color: var(--polar-white);
        display: flex;
        align-items: flex-start;
        gap: 10px;
        line-height: 1.5;
    }

    .scene-content ul li i {
        color: var(--cyan-glow);
        margin-top: 3px;
        flex-shrink: 0;
    }

    @media (max-width: 768px) {
        .scene-demo {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .scene-visual {
            min-height: 220px;
        }
    }

    /* ===== Latest Updates / CMS ===== */
    .latest-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .latest-item {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        padding: 18px;
        background: var(--bg-glass);
        border: var(--border-glass);
        border-radius: var(--radius-md);
        transition: all var(--transition-smooth);
    }

    .latest-item:hover {
        border-color: rgba(56, 189, 248, 0.5);
        box-shadow: var(--shadow-glow-blue);
        transform: translateY(-2px);
    }

    .latest-item .latest-index {
        font-size: 1.4rem;
        font-weight: 800;
        color: rgba(56, 189, 248, 0.4);
        min-width: 42px;
        text-align: center;
        flex-shrink: 0;
    }

    .latest-item .latest-content {
        flex: 1;
    }

    .latest-item h3 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 4px;
        line-height: 1.35;
    }

    .latest-item p {
        font-size: 0.85rem;
        color: var(--ice-slate);
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .latest-item .latest-date {
        font-size: 0.72rem;
        color: rgba(148, 163, 184, 0.7);
        margin-top: 6px;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .no-updates-msg {
        padding: 20px;
        background: rgba(148, 163, 184, 0.06);
        border-radius: var(--radius-md);
        border: 1px dashed rgba(148, 163, 184, 0.3);
        color: var(--ice-slate);
        font-size: 0.9rem;
        text-align: center;
    }

    @media (max-width: 520px) {
        .latest-item {
            padding: 14px;
            gap: 10px;
        }

        .latest-item .latest-index {
            font-size: 1.1rem;
            min-width: 30px;
        }
    }

    /* ===== Ranking ===== */
    .ranking-block {
        background: var(--bg-glass);
        border: var(--border-glass);
        border-radius: var(--radius-lg);
        padding: 28px;
    }

    .ranking-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .ranking-row {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 16px;
        background: rgba(3, 7, 18, 0.5);
        border-radius: var(--radius-sm);
        border: 1px solid rgba(148, 163, 184, 0.1);
        transition: all var(--transition-fast);
    }

    .ranking-row:hover {
        border-color: rgba(56, 189, 248, 0.4);
        background: rgba(3, 7, 18, 0.75);
    }

    .ranking-rank {
        font-size: 1.2rem;
        font-weight: 800;
        min-width: 40px;
        text-align: center;
        color: var(--cyan-glow);
    }

    .ranking-rank.top1 {
        color: #FCD34D;
    }

    .ranking-rank.top2 {
        color: #E2E8F0;
    }

    .ranking-rank.top3 {
        color: #D97706;
    }

    .ranking-info {
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .ranking-info .rank-title {
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--polar-white);
    }

    .ranking-info .rank-desc {
        font-size: 0.78rem;
        color: var(--ice-slate);
    }

    .ranking-metric {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-shrink: 0;
    }

    .ranking-metric span {
        font-size: 0.78rem;
        color: var(--ice-slate);
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .ranking-metric i {
        color: var(--cyan-glow);
    }

    @media (max-width: 520px) {
        .ranking-block {
            padding: 18px;
        }

        .ranking-row {
            flex-wrap: wrap;
            gap: 10px;
        }

        .ranking-metric {
            width: 100%;
            justify-content: space-between;
            padding-top: 4px;
            border-top: 1px dashed rgba(148, 163, 184, 0.15);
        }
    }

    /* ===== Social Proof ===== */
    .social-proof-grid {
        display: grid;
        grid-template-columns: 1fr 1.5fr;
        gap: 40px;
        align-items: center;
    }

    .social-summary {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .social-summary .rating-large {
        font-size: 3rem;
        font-weight: 800;
        color: var(--white);
        line-height: 1;
    }

    .social-summary .rating-stars {
        display: flex;
        gap: 4px;
        font-size: 1.1rem;
        color: #FCD34D;
    }

    .social-summary .rating-count {
        font-size: 0.9rem;
        color: var(--ice-slate);
    }

    .social-summary p {
        font-size: 0.92rem;
        color: var(--ice-slate);
        line-height: 1.6;
    }

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

    .testimonial-item {
        background: var(--bg-glass);
        border: var(--border-glass);
        border-radius: var(--radius-md);
        padding: 18px;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .testimonial-item .testi-stars {
        display: flex;
        gap: 2px;
        font-size: 0.85rem;
        color: #FCD34D;
    }

    .testimonial-item p {
        font-size: 0.88rem;
        color: var(--polar-white);
        line-height: 1.55;
    }

    .testimonial-item .testi-author {
        font-size: 0.78rem;
        color: var(--ice-slate);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .testimonial-item .testi-author i {
        color: var(--cyan-glow);
    }

    @media (max-width: 768px) {
        .social-proof-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
    }

    /* ===== Comparison ===== */
    .comparison-block {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .comparison-col {
        padding: 24px;
        border-radius: var(--radius-md);
    }

    .comparison-col.positive {
        background: rgba(37, 99, 235, 0.12);
        border: 1px solid rgba(56, 189, 248, 0.35);
    }

    .comparison-col.negative {
        background: rgba(148, 163, 184, 0.06);
        border: 1px solid rgba(148, 163, 184, 0.2);
    }

    .comparison-col h3 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .comparison-col h3 i {
        font-size: 1.1rem;
    }

    .comparison-col.positive h3 i {
        color: var(--cyan-glow);
    }

    .comparison-col.negative h3 i {
        color: var(--ice-slate);
    }

    .comparison-col ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .comparison-col ul li {
        font-size: 0.85rem;
        color: var(--polar-white);
        display: flex;
        align-items: flex-start;
        gap: 8px;
        line-height: 1.5;
    }

    .comparison-col.positive ul li i {
        color: var(--cyan-glow);
        margin-top: 3px;
    }

    .comparison-col.negative ul li i {
        color: rgba(148, 163, 184, 0.6);
        margin-top: 3px;
    }

    @media (max-width: 768px) {
        .comparison-block {
            grid-template-columns: 1fr;
        }
    }

    /* ===== Resource Center ===== */
    .resource-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .resource-item {
        background: var(--bg-glass);
        border: var(--border-glass);
        border-radius: var(--radius-md);
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        transition: all var(--transition-smooth);
    }

    .resource-item:hover {
        border-color: rgba(56, 189, 248, 0.5);
        box-shadow: var(--shadow-glow-blue);
        transform: translateY(-3px);
    }

    .resource-item .res-icon {
        font-size: 1.5rem;
        color: var(--cyan-glow);
    }

    .resource-item h3 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--white);
    }

    .resource-item p {
        font-size: 0.82rem;
        color: var(--ice-slate);
        line-height: 1.5;
        flex: 1;
    }

    .resource-item .res-link {
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--cyan-glow);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    @media (max-width: 1024px) {
        .resource-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 520px) {
        .resource-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ===== FAQ ===== */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
        max-width: 850px;
    }

    .faq-item {
        border: var(--border-glass);
        border-radius: var(--radius-md);
        overflow: hidden;
        background: var(--bg-glass);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        transition: all var(--transition-fast);
    }

    .faq-item:hover {
        border-color: rgba(56, 189, 248, 0.4);
    }

    .faq-question {
        padding: 18px 20px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--polar-white);
        user-select: none;
        transition: background var(--transition-fast);
    }

    .faq-question:hover {
        background: rgba(56, 189, 248, 0.05);
    }

    .faq-question i {
        color: var(--cyan-glow);
        font-size: 0.9rem;
        transition: transform var(--transition-smooth);
    }

    .faq-item.open .faq-question i {
        transform: rotate(180deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        padding: 0 20px;
        font-size: 0.88rem;
        color: var(--ice-slate);
        line-height: 1.6;
    }

    .faq-item.open .faq-answer {
        max-height: 250px;
        padding: 0 20px 18px;
    }

    /* ===== Guarantee Strip ===== */
    .guarantee-strip {
        background: rgba(56, 189, 248, 0.08);
        border: 1px solid rgba(56, 189, 248, 0.25);
        border-radius: var(--radius-md);
        padding: 28px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }

    .guarantee-strip .guarantee-icon {
        font-size: 2rem;
        color: var(--cyan-glow);
        flex-shrink: 0;
    }

    .guarantee-strip .guarantee-text {
        flex: 1;
        min-width: 200px;
    }

    .guarantee-strip .guarantee-text h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 4px;
    }

    .guarantee-strip .guarantee-text p {
        font-size: 0.85rem;
        color: var(--ice-slate);
    }

    .guarantee-strip .guarantee-badges {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }

    .guarantee-strip .guarantee-badges span {
        padding: 6px 12px;
        background: rgba(3, 7, 18, 0.5);
        border-radius: 50px;
        font-size: 0.75rem;
        color: var(--cyan-holo);
        border: 1px solid rgba(56, 189, 248, 0.25);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    /* ===== Bottom CTA Bar ===== */
    .bottom-cta-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 900;
        background: rgba(3, 7, 18, 0.93);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(56, 189, 248, 0.25);
        padding: 12px 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
        transform: translateY(0);
        transition: transform var(--transition-smooth);
    }

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

    .bottom-cta-text {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.88rem;
        color: var(--polar-white);
    }

    .bottom-cta-text i {
        color: var(--cyan-glow);
    }

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

    .bottom-cta-actions .cta-btn {
        padding: 10px 20px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.88rem;
        white-space: nowrap;
        transition: all var(--transition-fast);
    }

    .cta-btn.primary-btn {
        background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
        color: var(--bg-deep);
        box-shadow: var(--shadow-glow-blue);
    }

    .cta-btn.primary-btn:hover {
        box-shadow: var(--shadow-glow-cyan);
        transform: translateY(-2px);
    }

    .cta-btn.outline-btn {
        color: var(--polar-white);
        border: 1px solid rgba(56, 189, 248, 0.4);
        background: transparent;
    }

    .cta-btn.outline-btn:hover {
        background: rgba(56, 189, 248, 0.1);
    }

    @media (max-width: 520px) {
        .bottom-cta-bar {
            padding: 8px 0;
        }

        .bottom-cta-text {
            font-size: 0.75rem;
            gap: 6px;
        }

        .cta-btn {
            padding: 8px 14px;
            font-size: 0.78rem;
        }

        .bottom-cta-actions {
            gap: 6px;
        }
    }

    /* ===== FAB (Floating Action Button) ===== */
    .fab-left {
        position: fixed;
        left: 16px;
        bottom: 96px;
        z-index: 950;
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: rgba(7, 13, 29, 0.82);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 2px solid rgba(56, 189, 248, 0.5);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        color: var(--cyan-glow);
        box-shadow: 0 0 22px rgba(56, 189, 248, 0.45), 0 6px 24px rgba(0,0,0,0.5);
        cursor: pointer;
        transition: all var(--transition-smooth);
        animation: fabPulse 2.5s ease-in-out infinite;
        opacity: 0.75;
    }

    .fab-left:hover {
        opacity: 1;
        transform: scale(1.1);
        box-shadow: 0 0 35px rgba(56, 189, 248, 0.7), 0 8px 28px rgba(0,0,0,0.6);
        border-color: rgba(56, 189, 248, 0.9);
    }

    .fab-left:active {
        transform: scale(0.95);
    }

    .fab-left .fab-notification {
        position: absolute;
        top: -4px;
        right: -4px;
        width: 14px;
        height: 14px;
        background: #EF4444;
        border-radius: 50%;
        border: 2px solid var(--bg-deep);
        animation: notifPulse 1.5s ease-in-out infinite;
    }

    @keyframes fabPulse {
        0%, 100% { box-shadow: 0 0 22px rgba(56, 189, 248, 0.45), 0 6px 24px rgba(0,0,0,0.5); }
        50% { box-shadow: 0 0 35px rgba(56, 189, 248, 0.65), 0 6px 24px rgba(0,0,0,0.5); }
    }

    @keyframes notifPulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.5; }
    }

    @media (max-width: 520px) {
        .fab-left {
            width: 48px;
            height: 48px;
            font-size: 1.2rem;
            bottom: 80px;
            left: 12px;
            border-radius: 14px;
        }
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-deep);
        border-top: 1px solid rgba(56, 189, 248, 0.12);
        padding: 48px 0 100px;
        margin-top: 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
        gap: 40px;
    }

    .footer-brand p {
        font-size: 0.85rem;
        color: var(--ice-slate);
        line-height: 1.6;
        margin-top: 12px;
        max-width: 300px;
    }

    .footer-logo {
        font-weight: 800;
        font-size: 1.1rem;
        color: var(--white);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-logo .logo-icon-small {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
    }

    .footer-col h4 {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--polar-white);
        text-transform: uppercase;
        letter-spacing: 0.04em;
        margin-bottom: 14px;
    }

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

    .footer-col ul a {
        font-size: 0.82rem;
        color: var(--ice-slate);
        transition: color var(--transition-fast);
    }

    .footer-col ul a:hover {
        color: var(--cyan-glow);
    }

    .footer-payments {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 12px;
    }

    .footer-payments span {
        padding: 6px 10px;
        background: rgba(248, 250, 252, 0.06);
        border-radius: 6px;
        font-size: 0.72rem;
        color: var(--ice-slate);
        border: 1px solid rgba(148, 163, 184, 0.2);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .footer-bottom {
        margin-top: 40px;
        padding-top: 20px;
        border-top: 1px solid rgba(148, 163, 184, 0.1);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        font-size: 0.75rem;
        color: rgba(148, 163, 184, 0.7);
    }

    .footer-bottom .footer-legal {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    .footer-bottom .footer-legal a {
        color: rgba(148, 163, 184, 0.7);
        font-size: 0.75rem;
    }

    .footer-bottom .footer-legal a:hover {
        color: var(--cyan-glow);
    }

    .footer-18plus {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 4px 8px;
        background: #DC2626;
        color: var(--white);
        border-radius: 4px;
        font-weight: 800;
        font-size: 0.7rem;
    }

    .footer-license {
        display: flex;
        gap: 8px;
        align-items: center;
        font-size: 0.7rem;
        color: rgba(148, 163, 184, 0.6);
    }

    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
    }

    @media (max-width: 520px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .site-footer {
            padding: 32px 0 90px;
        }

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

    /* ===== Utility ===== */
    .text-gradient {
        background: linear-gradient(135deg, var(--cyan-glow), var(--blue-bright));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .mt-0 { margin-top: 0; }
    .mb-0 { margin-bottom: 0; }
    .hidden { display: none !important; }
    .visually-hidden {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    :focus-visible {
        outline: 2px solid var(--cyan-glow);
        outline-offset: 3px;
        border-radius: 4px;
    }

/* roulang page: article */
:root {
            --bg-deep: #030712;
            --bg-navy: #081229;
            --bg-panel: rgba(15, 23, 42, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --blue-primary: #2563EB;
            --blue-bright: #3B82F6;
            --cyan-glow: #38BDF8;
            --cyan-holo: #60A5FA;
            --ice-slate: #94A3B8;
            --polar-white: #F8FAFC;
            --white: #FFFFFF;
            --gold-accent: #FCD34D;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow-blue: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-cyan: 0 0 24px rgba(56, 189, 248, 0.4);
            --shadow-cyan-strong: 0 0 40px rgba(56, 189, 248, 0.55);
            --border-glass: 1px solid rgba(56, 189, 248, 0.18);
            --border-active: 1px solid rgba(56, 189, 248, 0.6);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--polar-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--cyan-glow);
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
            background: transparent;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(56, 189, 248, 0.12);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(3, 7, 18, 0.95);
            border-bottom-color: rgba(56, 189, 248, 0.25);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.05rem;
            letter-spacing: -0.02em;
            color: var(--white);
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--white);
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
            flex-shrink: 0;
        }

        .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .nav-logo .logo-text .logo-title {
            font-size: 0.98rem;
            font-weight: 800;
        }

        .nav-logo .logo-text .logo-subtitle {
            font-size: 0.68rem;
            font-weight: 400;
            color: var(--ice-slate);
            letter-spacing: 0.03em;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--polar-white);
            font-size: 1.4rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(56, 189, 248, 0.1);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li {
            list-style: none;
        }

        .nav-menu a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            color: var(--ice-slate);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover {
            color: var(--polar-white);
            background: rgba(56, 189, 248, 0.08);
        }

        .nav-menu a.active {
            color: var(--white);
            background: rgba(56, 189, 248, 0.15);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.3);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--cyan-glow);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--cyan-glow);
        }

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

        .btn-login, .btn-signup {
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .btn-login {
            color: var(--polar-white);
            background: transparent;
            border-color: rgba(56, 189, 248, 0.35);
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: rgba(56, 189, 248, 0.6);
            color: var(--white);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            color: var(--white);
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            color: var(--white);
        }

        /* Mobile nav */
        @media (max-width: 1024px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(3, 7, 18, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 8px;
                border-bottom: 1px solid rgba(56, 189, 248, 0.2);
                display: none;
                box-shadow: var(--shadow-md);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 12px 16px;
            }
            .nav-actions {
                margin-left: auto;
            }
        }

        @media (max-width: 520px) {
            .nav-actions {
                gap: 6px;
            }
            .btn-login, .btn-signup {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-logo .logo-text .logo-title {
                font-size: 0.85rem;
            }
            .nav-logo .logo-text .logo-subtitle {
                font-size: 0.6rem;
            }
            .nav-inner {
                gap: 12px;
            }
        }

        /* Main */
        main {
            padding-top: 68px;
            min-height: 70vh;
        }

        /* Article Hero */
        .article-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(8, 18, 41, 0.92), rgba(3, 7, 18, 0.95)), url('/assets/images/5450f290c44618e6.jpg') center/cover no-repeat;
            padding: 48px 0 36px;
            border-bottom: 1px solid rgba(56, 189, 248, 0.12);
        }

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

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--ice-slate);
        }

        .article-breadcrumb a {
            color: var(--cyan-holo);
            transition: color var(--transition-fast);
        }

        .article-breadcrumb a:hover {
            color: var(--polar-white);
        }

        .article-breadcrumb span {
            opacity: 0.6;
        }

        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            letter-spacing: -0.02em;
            max-width: 900px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 0.9rem;
            color: var(--ice-slate);
            align-items: center;
        }

        .article-meta i {
            margin-right: 6px;
            color: var(--cyan-glow);
        }

        .article-meta .article-category {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 999px;
            color: var(--cyan-holo);
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* Article Body */
        .article-content-section {
            padding: 40px 0 60px;
        }

        .article-content {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .article-content p {
            margin-bottom: 16px;
            color: var(--polar-white);
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 24px 0 12px;
            color: var(--white);
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 20px 0 10px;
            color: var(--white);
        }

        .article-content ul, .article-content ol {
            margin: 12px 0;
            padding-left: 24px;
            color: var(--polar-white);
        }

        .article-content li {
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

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

        .article-content a:hover {
            color: var(--polar-white);
        }

        .article-not-found {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--ice-slate);
            margin-bottom: 24px;
        }

        .article-not-found .btn-home {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            border-radius: var(--radius-sm);
            color: var(--white);
            font-weight: 600;
            box-shadow: var(--shadow-glow-blue);
            transition: all var(--transition-fast);
        }

        .article-not-found .btn-home:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow-cyan);
            color: var(--white);
        }

        /* Pull Quote */
        .pull-quote-section {
            padding: 10px 0 50px;
        }

        .pull-quote {
            max-width: 800px;
            margin: 0 auto;
            background: rgba(8, 18, 41, 0.45);
            border-left: 4px solid var(--cyan-glow);
            padding: 28px 32px;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            color: var(--polar-white);
            font-size: 1.2rem;
            font-style: italic;
            line-height: 1.7;
            box-shadow: var(--shadow-sm);
        }

        .pull-quote cite {
            display: block;
            margin-top: 12px;
            font-style: normal;
            font-size: 0.9rem;
            color: var(--cyan-holo);
            font-weight: 600;
        }

        /* Promo CTA */
        .promo-cta {
            padding: 50px 0;
            background: rgba(8, 18, 41, 0.4);
        }

        .promo-cta-inner {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(56, 189, 248, 0.1));
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-glow-blue);
        }

        .promo-cta h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--white);
        }

        .promo-cta p {
            color: var(--ice-slate);
            font-size: 1.05rem;
        }

        .promo-cta .btn-primary {
            display: inline-block;
            padding: 12px 32px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            border-radius: var(--radius-sm);
            color: var(--white);
            font-weight: 700;
            box-shadow: var(--shadow-glow-cyan);
            transition: all var(--transition-fast);
        }

        .promo-cta .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-cyan-strong);
            color: var(--white);
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
        }

        .faq-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 24px;
            text-align: left;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: var(--shadow-glow-blue);
        }

        .faq-question {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--polar-white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
        }

        .faq-question .fa-plus {
            color: var(--cyan-glow);
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-question .fa-plus {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            color: var(--ice-slate);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            margin-top: 12px;
        }

        /* Final CTA */
        .final-cta {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(56, 189, 248, 0.08));
        }

        .final-cta-inner {
            text-align: left;
            max-width: 800px;
            margin: 0 auto;
            background: rgba(3, 7, 18, 0.7);
            border: var(--border-active);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            box-shadow: var(--shadow-cyan-strong);
        }

        .final-cta h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .final-cta p {
            color: var(--ice-slate);
            font-size: 1.1rem;
            margin-bottom: 24px;
        }

        .final-cta .btn-hero {
            display: inline-block;
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            border-radius: var(--radius-md);
            color: var(--white);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: var(--shadow-glow-cyan);
            transition: all var(--transition-fast);
        }

        .final-cta .btn-hero:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-cyan-strong);
            color: var(--white);
        }

        /* Footer */
        .site-footer {
            background: rgba(3, 7, 18, 0.9);
            border-top: 1px solid rgba(56, 189, 248, 0.15);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--white);
        }

        .logo-icon-small {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--white);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
            flex-shrink: 0;
        }

        .footer-brand p {
            color: var(--ice-slate);
            font-size: 0.95rem;
            line-height: 1.6;
            max-width: 360px;
        }

        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-payments span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 999px;
            color: var(--cyan-holo);
            font-size: 0.8rem;
            font-weight: 500;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: var(--ice-slate);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--cyan-glow);
        }

        .footer-bottom {
            border-top: 1px solid rgba(56, 189, 248, 0.12);
            padding-top: 20px;
            text-align: center;
            color: var(--ice-slate);
            font-size: 0.8rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 24px;
            }
            .article-content-section {
                padding: 32px 0 40px;
            }
            .pull-quote {
                padding: 20px 24px;
                font-size: 1rem;
            }
            .promo-cta-inner, .final-cta-inner {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .article-title {
                font-size: 1.5rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .article-content {
                padding: 18px;
            }
            .article-content p {
                font-size: 0.95rem;
            }
            .promo-cta h2, .final-cta h2 {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 1rem;
            }
            .final-cta h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: span 1;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #030712;
            --bg-navy: #081229;
            --bg-panel: rgba(15, 23, 42, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --blue-primary: #2563EB;
            --blue-bright: #3B82F6;
            --cyan-glow: #38BDF8;
            --cyan-holo: #60A5FA;
            --ice-slate: #94A3B8;
            --polar-white: #F8FAFC;
            --white: #FFFFFF;
            --gold-accent: #FCD34D;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow-blue: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-cyan: 0 0 24px rgba(56, 189, 248, 0.4);
            --shadow-cyan-strong: 0 0 40px rgba(56, 189, 248, 0.55);
            --border-glass: 1px solid rgba(56, 189, 248, 0.18);
            --border-active: 1px solid rgba(56, 189, 248, 0.6);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--polar-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 68px;
        }

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

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

        a:hover {
            color: var(--cyan-glow);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
            background: transparent;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(56, 189, 248, 0.12);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(3, 7, 18, 0.95);
            border-bottom-color: rgba(56, 189, 248, 0.25);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.05rem;
            letter-spacing: -0.02em;
            color: var(--white);
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--white);
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
            flex-shrink: 0;
        }

        .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .nav-logo .logo-text .logo-title {
            font-size: 0.98rem;
            font-weight: 800;
        }

        .nav-logo .logo-text .logo-subtitle {
            font-size: 0.68rem;
            font-weight: 400;
            color: var(--ice-slate);
            letter-spacing: 0.03em;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--polar-white);
            border: 1px solid rgba(56, 189, 248, 0.25);
            background: rgba(56, 189, 248, 0.08);
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li {
            list-style: none;
        }

        .nav-menu a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            color: var(--ice-slate);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover {
            color: var(--polar-white);
            background: rgba(56, 189, 248, 0.08);
        }

        .nav-menu a.active {
            color: var(--white);
            background: rgba(56, 189, 248, 0.15);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.3);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--cyan-glow);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--cyan-glow);
        }

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

        .btn-login,
        .btn-signup {
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .btn-login {
            color: var(--polar-white);
            background: transparent;
            border-color: rgba(56, 189, 248, 0.35);
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: rgba(56, 189, 248, 0.6);
            color: var(--cyan-glow);
        }

        .btn-signup {
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--blue-bright), var(--cyan-glow));
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.35);
        }

        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
            color: var(--bg-deep);
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 70px;
            background: url('/assets/images/5450f290c44618e6.jpg') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3, 7, 18, 0.92) 0%, rgba(8, 18, 41, 0.7) 40%, rgba(3, 7, 18, 0.85) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.25), transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

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

        .category-hero-content {
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(252, 211, 77, 0.15);
            border: 1px solid rgba(252, 211, 77, 0.4);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: var(--gold-accent);
            text-transform: uppercase;
            margin-bottom: 22px;
            box-shadow: 0 0 12px rgba(252, 211, 77, 0.15);
        }

        .hero-badge .fa-star {
            font-size: 0.7rem;
            animation: pulseStar 1.5s ease-in-out infinite;
        }

        @keyframes pulseStar {
            0%, 100% { transform: scale(1); opacity: 0.8; }
            50% { transform: scale(1.3); opacity: 1; }
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--white);
            margin-bottom: 18px;
        }

        .category-hero h1 .highlight {
            background: linear-gradient(135deg, var(--cyan-glow), var(--gold-accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            font-weight: 500;
            color: var(--ice-slate);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        .category-hero .hero-desc {
            font-size: 0.98rem;
            color: var(--ice-slate);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 620px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            box-shadow: 0 0 24px rgba(56, 189, 248, 0.45);
            transition: all var(--transition-smooth);
            border: 1px solid rgba(56, 189, 248, 0.5);
        }

        .btn-primary-glow:hover {
            box-shadow: 0 0 40px rgba(56, 189, 248, 0.65);
            transform: translateY(-2px);
            color: var(--white);
        }

        .btn-outline-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            background: rgba(8, 18, 41, 0.6);
            color: var(--cyan-glow);
            font-size: 1rem;
            font-weight: 600;
            border: 1px solid rgba(56, 189, 248, 0.45);
            backdrop-filter: blur(10px);
            transition: all var(--transition-smooth);
        }

        .btn-outline-glow:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: rgba(56, 189, 248, 0.8);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
            color: var(--polar-white);
        }

        .hero-timer {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 22px;
            padding: 8px 18px;
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.4);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #FCA5A5;
        }

        .hero-timer .fa-clock {
            animation: spin 4s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 34px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .stat-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.01em;
        }

        .hero-stat .stat-label {
            font-size: 0.78rem;
            color: var(--ice-slate);
            letter-spacing: 0.02em;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 70px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-navy);
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 660px;
        }

        .section-header.left {
            text-align: left;
        }

        .section-kicker {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--cyan-glow);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--ice-slate);
            line-height: 1.7;
        }

        /* ===== Selling Point Cards ===== */
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .selling-card {
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .selling-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--cyan-glow), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .selling-card:hover {
            border-color: rgba(56, 189, 248, 0.5);
            box-shadow: 0 12px 40px rgba(3, 7, 18, 0.6);
            transform: translateY(-4px);
        }

        .selling-card:hover::before {
            opacity: 1;
        }

        .card-icon-box {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(56, 189, 248, 0.2));
            border: 1px solid rgba(56, 189, 248, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--cyan-glow);
            margin-bottom: 20px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.2);
        }

        .selling-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--polar-white);
        }

        .selling-card p {
            font-size: 0.9rem;
            color: var(--ice-slate);
            line-height: 1.65;
        }

        .card-tag {
            display: inline-block;
            margin-top: 16px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--cyan-holo);
        }

        /* ===== Scene Showcase ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .scene-image-wrapper {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(56, 189, 248, 0.25);
            box-shadow: var(--shadow-md);
        }

        .scene-image-wrapper img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .scene-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3, 7, 18, 0.15), rgba(3, 7, 18, 0.6));
            pointer-events: none;
        }

        .scene-overlay-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(3, 7, 18, 0.8);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(56, 189, 248, 0.4);
            border-radius: var(--radius-md);
            padding: 10px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--polar-white);
        }

        .scene-overlay-badge .fa-bolt {
            color: var(--gold-accent);
        }

        .scene-steps {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .scene-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--white);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
        }

        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--polar-white);
        }

        .step-content p {
            font-size: 0.88rem;
            color: var(--ice-slate);
            line-height: 1.6;
        }

        /* ===== Social Proof ===== */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .proof-card {
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            backdrop-filter: blur(10px);
            transition: all var(--transition-smooth);
        }

        .proof-card:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: 0 8px 28px rgba(3, 7, 18, 0.5);
        }

        .proof-card .proof-number {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--cyan-glow), var(--blue-bright));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 4px;
        }

        .proof-card .proof-label {
            font-size: 0.88rem;
            color: var(--ice-slate);
            font-weight: 500;
        }

        .proof-card .proof-detail {
            font-size: 0.8rem;
            color: var(--cyan-holo);
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Comparison ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .compare-card {
            background: var(--bg-panel);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(10px);
            transition: all var(--transition-smooth);
        }

        .compare-card:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: 0 8px 30px rgba(3, 7, 18, 0.5);
        }

        .compare-card.compare-highlight {
            border-color: rgba(252, 211, 77, 0.5);
            background: linear-gradient(135deg, rgba(252, 211, 77, 0.08), rgba(15, 23, 42, 0.72));
            box-shadow: 0 0 30px rgba(252, 211, 77, 0.1);
        }

        .compare-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .compare-card ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--ice-slate);
            line-height: 1.55;
        }

        .compare-card ul li .fa-circle-check {
            color: #10B981;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .compare-card ul li .fa-circle-xmark {
            color: #EF4444;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .compare-highlight ul li .fa-circle-check {
            color: var(--gold-accent);
        }

        /* ===== News List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            text-decoration: none;
            color: inherit;
        }

        .news-item:hover {
            border-color: rgba(56, 189, 248, 0.5);
            box-shadow: 0 8px 28px rgba(3, 7, 18, 0.55);
            transform: translateY(-3px);
            color: inherit;
        }

        .news-item .news-thumb {
            height: 180px;
            overflow: hidden;
        }

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

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

        .news-item .news-body {
            padding: 20px 20px 22px;
        }

        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.72rem;
            color: var(--cyan-holo);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .news-item .news-title {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--polar-white);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-excerpt {
            font-size: 0.82rem;
            color: var(--ice-slate);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-md);
            padding: 40px 24px;
            text-align: center;
            color: var(--ice-slate);
            font-size: 0.95rem;
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 28px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.35);
            color: var(--cyan-glow);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }

        .view-more-link:hover {
            background: rgba(56, 189, 248, 0.18);
            border-color: rgba(56, 189, 248, 0.6);
            color: var(--white);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.4);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--polar-white);
            list-style: none;
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--cyan-glow);
            transition: transform var(--transition-fast);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--ice-slate);
            line-height: 1.7;
            border-top: 1px solid rgba(56, 189, 248, 0.1);
            padding-top: 14px;
        }

        /* ===== Trust Strip ===== */
        .trust-strip {
            background: var(--bg-navy);
            border-top: 1px solid rgba(56, 189, 248, 0.2);
            border-bottom: 1px solid rgba(56, 189, 248, 0.2);
            padding: 40px 0;
        }

        .trust-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--ice-slate);
            letter-spacing: 0.02em;
        }

        .trust-item .fa-solid {
            color: #10B981;
            font-size: 1rem;
        }

        .trust-item .fa-shield-halved {
            color: var(--cyan-glow);
        }

        /* ===== Bottom CTA ===== */
        .bottom-cta {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(56, 189, 248, 0.08));
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .bottom-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.2), transparent 70%);
            pointer-events: none;
        }

        .bottom-cta h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .bottom-cta p {
            font-size: 0.92rem;
            color: var(--ice-slate);
            margin-bottom: 22px;
            line-height: 1.7;
            max-width: 540px;
        }

        .bottom-cta .btn-primary-glow {
            font-size: 0.95rem;
            padding: 13px 28px;
        }

        /* ===== Fixed Bottom CTA Bar ===== */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(3, 7, 18, 0.92);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(56, 189, 248, 0.3);
            padding: 12px 24px;
            display: none;
            align-items: center;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .fixed-bottom-cta.visible {
            display: flex;
        }

        .fixed-bottom-cta .fixed-cta-text {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--polar-white);
            letter-spacing: 0.02em;
        }

        .fixed-bottom-cta .btn-primary-glow {
            padding: 10px 24px;
            font-size: 0.85rem;
        }

        /* ===== FAB ===== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--cyan-glow);
            cursor: pointer;
            position: relative;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all var(--transition-smooth);
            opacity: 0.75;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 18px;
            padding: 2px;
            background: linear-gradient(135deg, #A3E635, #06B6D4, #EC4899);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
            animation: fabPulse 2.5s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.65);
            color: var(--white);
        }

        .fab:active {
            transform: scale(0.95);
        }

        .fab .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid var(--white);
            animation: fabBlink 1s ease-in-out infinite;
        }

        @keyframes fabBlink {
            0%, 100% { box-shadow: 0 0 4px rgba(239, 68, 68, 0.6); }
            50% { box-shadow: 0 0 12px rgba(239, 68, 68, 1); }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #02040A;
            border-top: 1px solid rgba(56, 189, 248, 0.15);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 14px;
        }

        .footer-brand .logo-icon-small {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--white);
            flex-shrink: 0;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--ice-slate);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 380px;
        }

        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-payments span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--cyan-holo);
            letter-spacing: 0.02em;
        }

        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--polar-white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            font-size: 0.84rem;
            color: var(--ice-slate);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--cyan-glow);
        }

        .footer-bottom {
            border-top: 1px solid rgba(56, 189, 248, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-copyright {
            font-size: 0.78rem;
            color: var(--ice-slate);
        }

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

        .footer-legal-links a {
            font-size: 0.78rem;
            color: var(--ice-slate);
        }

        .footer-legal-links a:hover {
            color: var(--cyan-glow);
        }

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

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

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

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

        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }

            .container {
                padding: 0 16px;
            }

            .nav-inner {
                padding: 10px 0;
                min-height: 58px;
                gap: 12px;
            }

            .nav-logo .logo-text .logo-subtitle {
                display: none;
            }

            .nav-logo .logo-text .logo-title {
                font-size: 0.85rem;
            }

            .nav-logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                gap: 4px;
                padding: 16px 20px 20px;
                background: rgba(3, 7, 18, 0.98);
                border-bottom: 1px solid rgba(56, 189, 248, 0.2);
                backdrop-filter: blur(20px);
                z-index: 100;
            }

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

            .nav-menu a {
                padding: 12px 16px;
                font-size: 0.95rem;
            }

            .nav-actions {
                gap: 6px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.78rem;
            }

            .category-hero {
                padding: 50px 0 45px;
                min-height: auto;
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }

            .category-hero .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stats-row {
                gap: 18px;
            }

            .hero-stat .stat-number {
                font-size: 1.2rem;
            }

            .selling-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .scene-image-wrapper img {
                height: 260px;
            }

            .proof-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .news-item .news-thumb {
                height: 200px;
            }

            .bottom-cta {
                padding: 28px 22px;
            }

            .bottom-cta h3 {
                font-size: 1.25rem;
            }

            .trust-grid {
                justify-content: flex-start;
                gap: 14px;
            }

            .trust-item {
                font-size: 0.75rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .fab {
                width: 48px;
                height: 48px;
                border-radius: 14px;
                left: 12px;
                bottom: 80px;
                font-size: 1.1rem;
            }

            .fixed-bottom-cta {
                padding: 10px 16px;
                gap: 10px;
            }

            .fixed-bottom-cta .fixed-cta-text {
                font-size: 0.78rem;
            }

            .fixed-bottom-cta .btn-primary-glow {
                padding: 8px 18px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .nav-actions .btn-login {
                display: none;
            }

            .nav-actions .btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }

            .category-hero h1 {
                font-size: 1.45rem;
            }

            .section {
                padding: 50px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .hero-cta-group {
                gap: 10px;
            }

            .btn-primary-glow,
            .btn-outline-glow {
                padding: 12px 20px;
                font-size: 0.88rem;
            }

            .selling-card {
                padding: 22px 18px;
            }

            .compare-card {
                padding: 22px 18px;
            }

            .fixed-bottom-cta .fixed-cta-text {
                font-size: 0.72rem;
            }

            .footer-payments span {
                font-size: 0.68rem;
                padding: 5px 10px;
            }
        }

/* roulang page: category2 */
:root {
        --bg-deep: #030712;
        --bg-navy: #081229;
        --bg-panel: rgba(15, 23, 42, 0.72);
        --bg-glass: rgba(8, 18, 41, 0.55);
        --blue-primary: #2563EB;
        --blue-bright: #3B82F6;
        --cyan-glow: #38BDF8;
        --cyan-holo: #60A5FA;
        --ice-slate: #94A3B8;
        --polar-white: #F8FAFC;
        --white: #FFFFFF;
        --gold-accent: #FCD34D;
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.5);
        --shadow-glow-blue: 0 0 20px rgba(37, 99, 235, 0.35);
        --shadow-glow-cyan: 0 0 24px rgba(56, 189, 248, 0.4);
        --shadow-cyan-strong: 0 0 40px rgba(56, 189, 248, 0.55);
        --border-glass: 1px solid rgba(56, 189, 248, 0.18);
        --border-active: 1px solid rgba(56, 189, 248, 0.6);
        --transition-fast: 0.2s ease;
        --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
    }

    /* roulang page: category2 */
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        background: var(--bg-deep);
        color: var(--polar-white);
        line-height: 1.6;
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        padding-top: 68px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition-fast);
    }
    a:hover {
        color: var(--cyan-glow);
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: 1rem;
        border: none;
        outline: none;
        background: transparent;
        color: inherit;
    }
    button {
        cursor: pointer;
    }
    .container {
        width: 100%;
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== Header & Navigation ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(3, 7, 18, 0.82);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(56, 189, 248, 0.12);
        transition: background var(--transition-smooth), border-color var(--transition-smooth);
    }
    .site-header.scrolled {
        background: rgba(3, 7, 18, 0.95);
        border-bottom-color: rgba(56, 189, 248, 0.25);
    }
    .nav-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        padding: 14px 0;
        min-height: 68px;
        flex-wrap: nowrap;
    }
    .nav-logo {
        flex-shrink: 0;
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.05rem;
        letter-spacing: -0.02em;
        color: var(--white);
        white-space: nowrap;
    }
    .nav-logo .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        color: var(--white);
        box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
        flex-shrink: 0;
    }
    .nav-logo .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }
    .nav-logo .logo-text .logo-title {
        font-size: 0.98rem;
        font-weight: 800;
    }
    .nav-logo .logo-text .logo-subtitle {
        font-size: 0.68rem;
        font-weight: 400;
        color: var(--ice-slate);
        letter-spacing: 0.03em;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 8px;
        list-style: none;
        flex: 1;
        justify-content: center;
        margin: 0;
        padding: 0;
    }
    .nav-menu li {
        list-style: none;
    }
    .nav-menu a {
        display: block;
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        color: var(--ice-slate);
        font-size: 0.9rem;
        font-weight: 500;
        white-space: nowrap;
        position: relative;
        transition: color var(--transition-fast), background var(--transition-fast);
    }
    .nav-menu a:hover {
        color: var(--polar-white);
        background: rgba(56, 189, 248, 0.08);
    }
    .nav-menu a.active {
        color: var(--white);
        background: rgba(56, 189, 248, 0.15);
        box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.3);
    }
    .nav-menu a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 2px;
        background: var(--cyan-glow);
        border-radius: 2px;
        box-shadow: 0 0 8px var(--cyan-glow);
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .btn-login, .btn-signup {
        padding: 9px 20px;
        border-radius: var(--radius-sm);
        font-size: 0.9rem;
        font-weight: 600;
        white-space: nowrap;
        transition: all var(--transition-fast);
        border: 1px solid transparent;
    }
    .btn-login {
        color: var(--polar-white);
        background: transparent;
        border-color: rgba(56, 189, 248, 0.35);
    }
    .btn-login:hover {
        background: rgba(56, 189, 248, 0.1);
        border-color: rgba(56, 189, 248, 0.6);
        color: var(--white);
    }
    .btn-signup {
        color: var(--bg-deep);
        background: linear-gradient(135deg, #38BDF8, #2563EB);
        box-shadow: 0 0 15px rgba(56, 189, 248, 0.35);
        border-color: transparent;
    }
    .btn-signup:hover {
        background: linear-gradient(135deg, #60A5FA, #3B82F6);
        box-shadow: 0 0 22px rgba(56, 189, 248, 0.55);
        transform: translateY(-1px);
        color: var(--bg-deep);
    }
    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(56, 189, 248, 0.25);
        color: var(--polar-white);
        font-size: 1.2rem;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    /* ===== Hero Section ===== */
    .hero-category {
        position: relative;
        padding: 80px 0 60px;
        background: radial-gradient(ellipse at top right, rgba(37, 99, 235, 0.18), transparent 60%),
                    radial-gradient(ellipse at bottom left, rgba(56, 189, 248, 0.12), transparent 55%),
                    var(--bg-deep);
        overflow: hidden;
    }
    .hero-category::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/5450f290c44618e6.jpg') center center/cover no-repeat;
        opacity: 0.22;
        z-index: 0;
    }
    .hero-category .container {
        position: relative;
        z-index: 1;
    }
    .hero-category-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(56, 189, 248, 0.12);
        border: 1px solid rgba(56, 189, 248, 0.3);
        border-radius: 50px;
        padding: 6px 16px;
        font-size: 0.75rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        color: var(--cyan-glow);
        margin-bottom: 20px;
    }
    .hero-category h1 {
        font-size: 2.5rem;
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -0.03em;
        margin-bottom: 20px;
        color: var(--white);
    }
    .hero-category h1 .highlight {
        background: linear-gradient(135deg, #38BDF8, #FCD34D);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-category p {
        font-size: 1.05rem;
        color: var(--ice-slate);
        line-height: 1.65;
        margin-bottom: 28px;
        max-width: 540px;
    }
    .hero-cta-group {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }
    .btn-hero-primary, .btn-hero-secondary {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 28px;
        border-radius: var(--radius-md);
        font-weight: 700;
        font-size: 1rem;
        transition: all var(--transition-smooth);
        border: 1px solid transparent;
    }
    .btn-hero-primary {
        background: linear-gradient(135deg, #38BDF8, #2563EB);
        color: var(--bg-deep);
        box-shadow: 0 0 28px rgba(56, 189, 248, 0.45);
    }
    .btn-hero-primary:hover {
        background: linear-gradient(135deg, #60A5FA, #3B82F6);
        box-shadow: 0 0 40px rgba(56, 189, 248, 0.65);
        transform: translateY(-2px);
        color: var(--bg-deep);
    }
    .btn-hero-secondary {
        background: transparent;
        border-color: rgba(56, 189, 248, 0.4);
        color: var(--polar-white);
    }
    .btn-hero-secondary:hover {
        background: rgba(56, 189, 248, 0.1);
        border-color: rgba(56, 189, 248, 0.7);
        color: var(--white);
        transform: translateY(-2px);
    }
    .hero-visual {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .hero-visual-wrap {
        position: relative;
        width: 100%;
        max-width: 460px;
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 1px solid rgba(56, 189, 248, 0.25);
        box-shadow: 0 0 60px rgba(37, 99, 235, 0.3);
    }
    .hero-visual-wrap img {
        width: 100%;
        height: auto;
        object-fit: cover;
        aspect-ratio: 4/3;
    }
    .hero-visual-wrap::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(3,7,18,0.1) 0%, rgba(3,7,18,0.55) 100%);
        pointer-events: none;
    }
    .hero-explosion-badge {
        position: absolute;
        top: -18px;
        right: -18px;
        background: linear-gradient(135deg, #EF4444, #F59E0B);
        color: var(--white);
        border-radius: 50%;
        width: 92px;
        height: 92px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        font-weight: 800;
        font-size: 0.85rem;
        line-height: 1.3;
        box-shadow: 0 0 35px rgba(239, 68, 68, 0.6);
        transform: rotate(8deg);
        z-index: 5;
        animation: pulseExplosion 2s ease-in-out infinite;
    }
    @keyframes pulseExplosion {
        0%, 100% { transform: rotate(8deg) scale(1); }
        50% { transform: rotate(8deg) scale(1.08); }
    }

    /* ===== Section Base ===== */
    .section {
        padding: 64px 0;
    }
    .section-alt {
        background: rgba(8, 18, 41, 0.4);
    }
    .section-heading {
        margin-bottom: 40px;
    }
    .section-heading h2 {
        font-size: 1.7rem;
        font-weight: 700;
        letter-spacing: -0.02em;
        color: var(--white);
        margin-bottom: 12px;
    }
    .section-heading p {
        color: var(--ice-slate);
        font-size: 0.98rem;
        line-height: 1.65;
        max-width: 640px;
    }
    .eyebrow {
        display: inline-block;
        color: var(--cyan-glow);
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        margin-bottom: 10px;
    }

    /* ===== Cards ===== */
    .glass-card {
        background: var(--bg-glass);
        border: var(--border-glass);
        border-radius: var(--radius-lg);
        padding: 28px;
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        transition: all var(--transition-smooth);
        height: 100%;
    }
    .glass-card:hover {
        border-color: rgba(56, 189, 248, 0.45);
        box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
        transform: translateY(-4px);
    }
    .glass-card .icon-wrap {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(56, 189, 248, 0.12);
        color: var(--cyan-glow);
        font-size: 1.3rem;
        margin-bottom: 18px;
        border: 1px solid rgba(56, 189, 248, 0.25);
    }
    .glass-card h3 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 10px;
    }
    .glass-card p {
        color: var(--ice-slate);
        font-size: 0.92rem;
        line-height: 1.6;
        margin-bottom: 0;
    }

    /* ===== Stats Row ===== */
    .stats-row {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .stat-item {
        text-align: left;
        padding: 24px;
        background: var(--bg-panel);
        border-radius: var(--radius-md);
        border: 1px solid rgba(56, 189, 248, 0.15);
        transition: border-color var(--transition-fast);
    }
    .stat-item:hover {
        border-color: rgba(56, 189, 248, 0.45);
    }
    .stat-number {
        font-size: 2rem;
        font-weight: 800;
        background: linear-gradient(135deg, #38BDF8, #FCD34D);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1.1;
        display: block;
        margin-bottom: 6px;
    }
    .stat-label {
        color: var(--ice-slate);
        font-size: 0.85rem;
        font-weight: 500;
    }

    /* ===== Weapon Grid ===== */
    .weapon-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .weapon-card {
        background: var(--bg-glass);
        border: 1px solid rgba(56, 189, 248, 0.18);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all var(--transition-smooth);
    }
    .weapon-card:hover {
        border-color: rgba(56, 189, 248, 0.5);
        box-shadow: 0 0 35px rgba(37, 99, 235, 0.25);
        transform: translateY(-5px);
    }
    .weapon-card-img {
        aspect-ratio: 16/9;
        overflow: hidden;
        position: relative;
    }
    .weapon-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .weapon-card:hover .weapon-card-img img {
        transform: scale(1.06);
    }
    .weapon-card-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 50%, rgba(3,7,18,0.75) 100%);
        pointer-events: none;
    }
    .weapon-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        z-index: 2;
        background: rgba(3, 7, 18, 0.75);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(56, 189, 248, 0.4);
        border-radius: 50px;
        padding: 4px 14px;
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        color: var(--cyan-glow);
    }
    .weapon-card-body {
        padding: 20px;
    }
    .weapon-card-body h4 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 8px;
    }
    .weapon-card-body p {
        color: var(--ice-slate);
        font-size: 0.88rem;
        line-height: 1.55;
        margin-bottom: 14px;
    }
    .weapon-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 0.8rem;
        color: var(--cyan-holo);
        font-weight: 500;
    }
    .weapon-meta i {
        margin-right: 4px;
    }

    /* ===== Boss Section ===== */
    .boss-feature {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
    .boss-feature-text h3 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .boss-feature-text p {
        color: var(--ice-slate);
        font-size: 0.98rem;
        line-height: 1.7;
        margin-bottom: 18px;
    }
    .boss-feature-list {
        list-style: none;
        padding: 0;
        margin: 0 0 24px;
    }
    .boss-feature-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        padding: 8px 0;
        color: var(--polar-white);
        font-size: 0.92rem;
        line-height: 1.5;
    }
    .boss-feature-list li i {
        color: var(--cyan-glow);
        margin-top: 3px;
        flex-shrink: 0;
    }
    .boss-feature-img {
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 1px solid rgba(56, 189, 248, 0.3);
        box-shadow: 0 0 45px rgba(37, 99, 235, 0.25);
    }
    .boss-feature-img img {
        width: 100%;
        height: auto;
        object-fit: cover;
        aspect-ratio: 4/3;
    }

    /* ===== Info List ===== */
    .info-list {
        background: var(--bg-panel);
        border-radius: var(--radius-lg);
        border: 1px solid rgba(56, 189, 248, 0.15);
        overflow: hidden;
    }
    .info-item {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        padding: 18px 24px;
        border-bottom: 1px solid rgba(56, 189, 248, 0.1);
        transition: background var(--transition-fast);
    }
    .info-item:last-child {
        border-bottom: none;
    }
    .info-item:hover {
        background: rgba(56, 189, 248, 0.04);
    }
    .info-item-num {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(56, 189, 248, 0.12);
        border: 1px solid rgba(56, 189, 248, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--cyan-glow);
        font-weight: 700;
        font-size: 0.9rem;
        flex-shrink: 0;
        margin-top: 2px;
    }
    .info-item-content h4 {
        font-size: 0.98rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 4px;
    }
    .info-item-content p {
        font-size: 0.88rem;
        color: var(--ice-slate);
        margin-bottom: 0;
        line-height: 1.55;
    }

    /* ===== News List ===== */
    .news-list-compact {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .news-compact-card {
        background: var(--bg-glass);
        border: 1px solid rgba(56, 189, 248, 0.15);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition-smooth);
        display: flex;
        flex-direction: column;
    }
    .news-compact-card:hover {
        border-color: rgba(56, 189, 248, 0.45);
        box-shadow: 0 0 28px rgba(37, 99, 235, 0.2);
        transform: translateY(-3px);
    }
    .news-compact-card .news-thumb {
        aspect-ratio: 16/9;
        overflow: hidden;
    }
    .news-compact-card .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .news-compact-card:hover .news-thumb img {
        transform: scale(1.05);
    }
    .news-compact-card .news-body {
        padding: 16px 18px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .news-compact-card .news-body h5 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--white);
        line-height: 1.45;
        margin-bottom: 8px;
    }
    .news-compact-card .news-body p {
        font-size: 0.82rem;
        color: var(--ice-slate);
        line-height: 1.55;
        margin-bottom: 12px;
        flex: 1;
    }
    .news-meta {
        font-size: 0.75rem;
        color: var(--cyan-holo);
        font-weight: 500;
    }
    .news-empty {
        padding: 32px;
        text-align: center;
        color: var(--ice-slate);
        background: var(--bg-glass);
        border-radius: var(--radius-md);
        border: 1px dashed rgba(56, 189, 248, 0.3);
        font-size: 0.95rem;
    }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--bg-glass);
        border: 1px solid rgba(56, 189, 248, 0.15);
        border-radius: var(--radius-md);
        margin-bottom: 14px;
        overflow: hidden;
        transition: border-color var(--transition-fast);
    }
    .faq-item:hover {
        border-color: rgba(56, 189, 248, 0.35);
    }
    .faq-item button {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 22px;
        text-align: left;
        color: var(--white);
        font-weight: 600;
        font-size: 0.98rem;
        transition: color var(--transition-fast);
    }
    .faq-item button:hover {
        color: var(--cyan-glow);
    }
    .faq-item button i {
        color: var(--cyan-glow);
        font-size: 0.85rem;
        transition: transform var(--transition-smooth);
        flex-shrink: 0;
    }
    .faq-item button[aria-expanded="true"] i {
        transform: rotate(180deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
    }
    .faq-answer-inner {
        padding: 0 22px 20px;
        color: var(--ice-slate);
        font-size: 0.9rem;
        line-height: 1.65;
    }

    /* ===== CTA Section ===== */
    .cta-banner {
        position: relative;
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.1));
        border: 1px solid rgba(56, 189, 248, 0.35);
        border-radius: var(--radius-xl);
        padding: 48px 40px;
        overflow: hidden;
        text-align: left;
    }
    .cta-banner::before {
        content: '';
        position: absolute;
        top: -60%;
        right: -20%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(56, 189, 248, 0.15), transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .cta-banner h2 {
        font-size: 1.8rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        color: var(--white);
        margin-bottom: 14px;
        position: relative;
        z-index: 1;
    }
    .cta-banner p {
        color: var(--ice-slate);
        font-size: 1rem;
        line-height: 1.65;
        margin-bottom: 28px;
        position: relative;
        z-index: 1;
        max-width: 600px;
    }
    .cta-banner .btn-hero-primary {
        position: relative;
        z-index: 1;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: rgba(3, 7, 18, 0.9);
        border-top: 1px solid rgba(56, 189, 248, 0.12);
        padding: 48px 0 24px;
        margin-top: 40px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.1rem;
        color: var(--white);
        margin-bottom: 14px;
    }
    .footer-brand .logo-icon-small {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--blue-primary), var(--cyan-glow));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.9rem;
        color: var(--white);
        box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
        flex-shrink: 0;
    }
    .footer-brand p {
        color: var(--ice-slate);
        font-size: 0.88rem;
        line-height: 1.6;
        margin-bottom: 18px;
    }
    .footer-payments {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .footer-payments span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 12px;
        background: rgba(56, 189, 248, 0.08);
        border: 1px solid rgba(56, 189, 248, 0.2);
        border-radius: 50px;
        font-size: 0.72rem;
        font-weight: 500;
        color: var(--polar-white);
    }
    .footer-payments span i {
        color: var(--cyan-glow);
        font-size: 0.8rem;
    }
    .footer-col h4 {
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul li a {
        color: var(--ice-slate);
        font-size: 0.85rem;
        transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
        color: var(--cyan-glow);
    }
    .footer-bottom {
        border-top: 1px solid rgba(56, 189, 248, 0.1);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-bottom p {
        color: var(--ice-slate);
        font-size: 0.8rem;
        margin: 0;
    }
    .footer-bottom .footer-links {
        display: flex;
        gap: 18px;
        flex-wrap: wrap;
    }
    .footer-bottom .footer-links a {
        color: var(--ice-slate);
        font-size: 0.8rem;
    }
    .footer-bottom .footer-links a:hover {
        color: var(--cyan-glow);
    }

    /* ===== FAB ===== */
    .fab-cyber {
        position: fixed;
        left: 16px;
        bottom: 24px;
        z-index: 50;
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: rgba(7, 7, 13, 0.8);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(56, 189, 248, 0.5);
        box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--cyan-glow);
        font-size: 1.3rem;
        cursor: pointer;
        transition: all var(--transition-fast);
        opacity: 0.75;
        animation: fabPulse 3s ease-in-out infinite;
    }
    .fab-cyber:hover {
        opacity: 1;
        box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
        transform: scale(1.08);
    }
    .fab-cyber:active {
        transform: scale(0.95);
    }
    @keyframes fabPulse {
        0%, 100% { box-shadow: 0 0 18px rgba(6, 182, 212, 0.35); }
        50% { box-shadow: 0 0 28px rgba(6, 182, 212, 0.6); }
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .hero-category-grid {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .hero-category h1 {
            font-size: 2rem;
        }
        .weapon-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stats-row {
            grid-template-columns: repeat(2, 1fr);
        }
        .news-list-compact {
            grid-template-columns: repeat(2, 1fr);
        }
        .boss-feature {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .boss-feature-img {
            order: -1;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        body {
            padding-top: 60px;
        }
        .nav-inner {
            padding: 10px 0;
            min-height: 60px;
            flex-wrap: nowrap;
        }
        .nav-logo .logo-text .logo-subtitle {
            display: none;
        }
        .nav-logo .logo-text .logo-title {
            font-size: 0.85rem;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 1rem;
        }
        .nav-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(3, 7, 18, 0.97);
            backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 16px 24px;
            gap: 6px;
            border-bottom: 1px solid rgba(56, 189, 248, 0.2);
            z-index: 999;
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            width: 100%;
            padding: 12px 16px;
            font-size: 0.95rem;
        }
        .nav-actions .btn-login {
            padding: 8px 14px;
            font-size: 0.8rem;
        }
        .nav-actions .btn-signup {
            padding: 8px 14px;
            font-size: 0.8rem;
        }
        .nav-toggle {
            display: flex;
        }
        .section {
            padding: 44px 0;
        }
        .section-heading h2 {
            font-size: 1.4rem;
        }
        .hero-category {
            padding: 50px 0 40px;
        }
        .hero-category h1 {
            font-size: 1.7rem;
        }
        .hero-category p {
            font-size: 0.95rem;
        }
        .weapon-grid {
            grid-template-columns: 1fr;
        }
        .stats-row {
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .stat-number {
            font-size: 1.5rem;
        }
        .stat-item {
            padding: 16px;
        }
        .news-list-compact {
            grid-template-columns: 1fr;
        }
        .cta-banner {
            padding: 32px 24px;
        }
        .cta-banner h2 {
            font-size: 1.4rem;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .btn-hero-primary, .btn-hero-secondary {
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .hero-explosion-badge {
            width: 70px;
            height: 70px;
            font-size: 0.72rem;
            top: -10px;
            right: -10px;
        }
        .fab-cyber {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            font-size: 1.1rem;
            left: 12px;
            bottom: 16px;
        }
        .container {
            padding: 0 16px;
        }
        .info-item {
            padding: 14px 16px;
            gap: 12px;
        }
        .glass-card {
            padding: 20px;
        }
    }

    @media (max-width: 520px) {
        .stats-row {
            grid-template-columns: 1fr;
        }
        .hero-category h1 {
            font-size: 1.4rem;
        }
        .section-heading h2 {
            font-size: 1.25rem;
        }
        .hero-cta-group {
            flex-direction: column;
            align-items: stretch;
        }
        .btn-hero-primary, .btn-hero-secondary {
            justify-content: center;
        }
        .nav-actions .btn-login {
            padding: 7px 10px;
            font-size: 0.72rem;
        }
        .nav-actions .btn-signup {
            padding: 7px 10px;
            font-size: 0.72rem;
        }
    }

/* roulang page: category3 */
:root{
            --bg-deep:#030712;
            --bg-navy:#081229;
            --bg-panel:rgba(15,23,42,0.72);
            --bg-glass:rgba(8,18,41,0.55);
            --blue-primary:#2563EB;
            --blue-bright:#3B82F6;
            --cyan-glow:#38BDF8;
            --cyan-holo:#60A5FA;
            --ice-slate:#94A3B8;
            --polar-white:#F8FAFC;
            --white:#FFFFFF;
            --gold-accent:#FCD34D;
            --radius-sm:8px;
            --radius-md:16px;
            --radius-lg:24px;
            --radius-xl:32px;
            --shadow-sm:0 4px 16px rgba(0,0,0,0.3);
            --shadow-md:0 12px 32px rgba(0,0,0,0.5);
            --shadow-glow-blue:0 0 20px rgba(37,99,235,0.35);
            --shadow-glow-cyan:0 0 24px rgba(56,189,248,0.4);
            --shadow-cyan-strong:0 0 40px rgba(56,189,248,0.55);
            --border-glass:1px solid rgba(56,189,248,0.18);
            --border-active:1px solid rgba(56,189,248,0.6);
            --transition-fast:0.2s ease;
            --transition-smooth:0.35s cubic-bezier(0.4,0,0.2,1);
            --font-sans:'Segoe UI','Inter','Roboto',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
        }
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
        body{
            font-family:var(--font-sans);
            background:var(--bg-deep);
            color:var(--polar-white);
            line-height:1.6;
            min-height:100vh;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            overflow-x:hidden;
        }
        img{max-width:100%;height:auto;display:block;}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast);}
        a:hover{color:var(--cyan-glow);}
        button,input,select,textarea{font-family:inherit;font-size:1rem;border:none;outline:none;background:transparent;color:inherit;}
        button{cursor:pointer;}
        ul,ol{list-style:none;margin:0;padding:0;}
        .container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
        @media(max-width:576px){.container{padding:0 16px;}}

        /* Header & Navigation */
        .site-header{
            position:fixed;top:0;left:0;right:0;z-index:1000;
            background:rgba(3,7,18,0.82);
            backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
            border-bottom:1px solid rgba(56,189,248,0.12);
            transition:background var(--transition-smooth),border-color var(--transition-smooth);
        }
        .site-header.scrolled{background:rgba(3,7,18,0.95);border-bottom-color:rgba(56,189,248,0.25);}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0;min-height:68px;flex-wrap:nowrap;}
        .nav-logo{flex-shrink:0;display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;letter-spacing:-0.02em;color:var(--white);white-space:nowrap;}
        .nav-logo .logo-icon{
            width:42px;height:42px;border-radius:50%;
            background:linear-gradient(135deg,var(--blue-primary),var(--cyan-glow));
            display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--white);
            box-shadow:0 0 18px rgba(56,189,248,0.4);flex-shrink:0;
        }
        .nav-logo .logo-text{display:flex;flex-direction:column;line-height:1.15;}
        .nav-logo .logo-text .logo-title{font-size:0.98rem;font-weight:800;}
        .nav-logo .logo-text .logo-subtitle{font-size:0.68rem;font-weight:400;color:var(--ice-slate);letter-spacing:0.03em;}
        .nav-menu{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;}
        .nav-menu li{list-style:none;}
        .nav-menu a{
            display:block;padding:8px 16px;border-radius:var(--radius-sm);color:var(--ice-slate);
            font-size:0.9rem;font-weight:500;white-space:nowrap;position:relative;
            transition:color var(--transition-fast),background var(--transition-fast);
        }
        .nav-menu a:hover{color:var(--polar-white);background:rgba(56,189,248,0.08);}
        .nav-menu a.active{color:var(--white);background:rgba(56,189,248,0.15);box-shadow:inset 0 0 0 1px rgba(56,189,248,0.3);}
        .nav-menu a.active::after{
            content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);
            width:20px;height:2px;background:var(--cyan-glow);border-radius:2px;box-shadow:0 0 8px var(--cyan-glow);
        }
        .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
        .btn-login,.btn-signup{padding:9px 20px;border-radius:var(--radius-sm);font-size:0.9rem;font-weight:600;white-space:nowrap;transition:all var(--transition-fast);border:1px solid transparent;}
        .btn-login{color:var(--polar-white);background:transparent;border-color:rgba(56,189,248,0.35);}
        .btn-login:hover{background:rgba(56,189,248,0.1);border-color:rgba(56,189,248,0.6);color:var(--white);}
        .btn-signup{
            color:var(--bg-deep);background:linear-gradient(135deg,var(--blue-bright),var(--cyan-glow));
            box-shadow:0 0 18px rgba(56,189,248,0.35);font-weight:700;
        }
        .btn-signup:hover{box-shadow:0 0 28px rgba(56,189,248,0.55);transform:translateY(-1px);color:var(--bg-deep);}
        .btn-signup:active{transform:translateY(0);box-shadow:0 0 14px rgba(56,189,248,0.3);}
        .nav-toggle{display:none;font-size:1.4rem;color:var(--polar-white);padding:6px 10px;border-radius:var(--radius-sm);border:1px solid rgba(56,189,248,0.25);background:rgba(56,189,248,0.08);}
        @media(max-width:991px){
            .nav-toggle{display:block;}
            .nav-menu{
                position:fixed;top:68px;left:0;right:0;z-index:999;
                flex-direction:column;align-items:stretch;gap:4px;
                background:rgba(3,7,18,0.98);backdrop-filter:blur(24px);
                padding:16px 24px;border-bottom:1px solid rgba(56,189,248,0.2);
                transform:translateY(-200%);transition:transform var(--transition-smooth);
                max-height:calc(100vh - 68px);overflow-y:auto;
            }
            .nav-menu.open{transform:translateY(0);}
            .nav-menu a{font-size:1rem;padding:12px 16px;text-align:center;}
            .nav-actions{display:none;}
            .nav-mobile-actions{display:flex;gap:10px;padding:12px 16px;border-top:1px solid rgba(56,189,248,0.15);margin-top:8px;}
            .nav-mobile-actions .btn-login,.nav-mobile-actions .btn-signup{flex:1;text-align:center;}
        }
        @media(min-width:992px){
            .nav-mobile-actions{display:none;}
        }

        /* Buttons */
        .btn-glow-primary{
            display:inline-flex;align-items:center;gap:8px;
            padding:13px 28px;border-radius:var(--radius-sm);
            background:linear-gradient(135deg,var(--blue-bright),var(--cyan-glow));
            color:var(--bg-deep);font-weight:700;font-size:1rem;
            box-shadow:0 0 24px rgba(56,189,248,0.4);
            transition:all var(--transition-fast);border:none;
        }
        .btn-glow-primary:hover{box-shadow:0 0 40px rgba(56,189,248,0.65);transform:translateY(-2px);color:var(--bg-deep);}
        .btn-glow-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(56,189,248,0.3);}
        .btn-outline-cyan{
            display:inline-flex;align-items:center;gap:8px;
            padding:12px 24px;border-radius:var(--radius-sm);
            background:transparent;color:var(--cyan-glow);
            border:1px solid rgba(56,189,248,0.5);font-weight:600;
            transition:all var(--transition-fast);
        }
        .btn-outline-cyan:hover{background:rgba(56,189,248,0.1);border-color:rgba(56,189,248,0.8);color:var(--white);}
        .btn-gold{
            display:inline-flex;align-items:center;gap:8px;
            padding:13px 30px;border-radius:var(--radius-sm);
            background:linear-gradient(135deg,#FCD34D,#F59E0B);
            color:#1F2937;font-weight:700;font-size:1rem;
            box-shadow:0 0 24px rgba(252,211,77,0.35);border:none;
            transition:all var(--transition-fast);
        }
        .btn-gold:hover{box-shadow:0 0 40px rgba(252,211,77,0.55);transform:translateY(-2px);color:#1F2937;}
        .btn-gold:active{transform:translateY(0);}

        /* Hero Bento */
        .hero-bento-section{padding:120px 0 60px;background:radial-gradient(ellipse at 20% 20%,rgba(37,99,235,0.18),transparent 55%),radial-gradient(ellipse at 80% 40%,rgba(56,189,248,0.12),transparent 50%),var(--bg-deep);}
        .bento-grid{display:grid;grid-template-columns:1.5fr 1fr;grid-template-rows:auto auto;gap:20px;margin-bottom:24px;}
        .bento-main{
            grid-row:span 2;border-radius:var(--radius-lg);overflow:hidden;position:relative;
            background:linear-gradient(160deg,rgba(15,23,42,0.9),rgba(8,18,41,0.7));
            border:var(--border-glass);padding:36px 32px;display:flex;flex-direction:column;justify-content:center;
            min-height:340px;
        }
        .bento-main::before{
            content:'';position:absolute;inset:0;background:url('/assets/images/985efc6fc7ac2beb.jpg') center/cover no-repeat;opacity:0.15;pointer-events:none;
        }
        .bento-main .bento-content{position:relative;z-index:2;}
        .bento-main .badge-cat{
            display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:20px;
            background:rgba(56,189,248,0.15);border:1px solid rgba(56,189,248,0.4);font-size:0.78rem;font-weight:600;color:var(--cyan-glow);
            margin-bottom:16px;text-transform:uppercase;letter-spacing:0.05em;
        }
        .bento-main h1{font-size:2.4rem;font-weight:800;line-height:1.2;letter-spacing:-0.02em;margin-bottom:14px;color:var(--white);}
        .bento-main h1 .highlight-gold{color:var(--gold-accent);}
        .bento-main p{font-size:1.05rem;color:var(--ice-slate);max-width:560px;line-height:1.65;margin-bottom:22px;}
        .bento-main .bento-cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
        .bento-mini{
            border-radius:var(--radius-md);padding:24px;display:flex;align-items:center;gap:18px;
            background:var(--bg-glass);backdrop-filter:blur(14px);
            border:var(--border-glass);transition:all var(--transition-smooth);min-height:150px;
        }
        .bento-mini:hover{border-color:rgba(56,189,248,0.45);box-shadow:var(--shadow-glow-cyan);}
        .bento-mini .mini-icon{
            width:52px;height:52px;border-radius:50%;flex-shrink:0;
            background:linear-gradient(135deg,rgba(37,99,235,0.25),rgba(56,189,248,0.15));
            display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--cyan-glow);
            border:1px solid rgba(56,189,248,0.3);
        }
        .bento-mini .mini-info h3{font-size:1rem;font-weight:700;color:var(--white);margin-bottom:4px;}
        .bento-mini .mini-info p{font-size:0.85rem;color:var(--ice-slate);margin:0;line-height:1.5;}
        .bento-cta-strip{
            border-radius:var(--radius-md);padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
            background:linear-gradient(135deg,rgba(37,99,235,0.2),rgba(56,189,248,0.1));
            border:1px solid rgba(56,189,248,0.3);border-radius:var(--radius-md);
        }
        .bento-cta-strip .cta-strip-text{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--polar-white);font-size:0.95rem;}
        .bento-cta-strip .cta-strip-text i{color:var(--gold-accent);font-size:1.1rem;}
        .bento-cta-strip .btn-glow-primary{padding:10px 22px;font-size:0.92rem;}
        @media(max-width:991px){
            .bento-grid{grid-template-columns:1fr;grid-template-rows:auto;}
            .bento-main{grid-row:auto;min-height:auto;padding:28px 22px;}
            .bento-main h1{font-size:1.8rem;}
        }
        @media(max-width:576px){
            .bento-main h1{font-size:1.5rem;}
            .bento-main p{font-size:0.95rem;}
            .bento-mini{flex-direction:column;text-align:center;padding:20px;}
            .bento-cta-strip{flex-direction:column;text-align:center;}
        }

        /* Section common */
        .section-pad{padding:48px 0;}
        .section-label{
            display:inline-flex;align-items:center;gap:6px;
            font-size:0.78rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;
            color:var(--cyan-glow);margin-bottom:10px;
        }
        .section-label::before{content:'';width:24px;height:2px;background:var(--cyan-glow);border-radius:2px;box-shadow:0 0 6px var(--cyan-glow);}
        .section-title{font-size:1.9rem;font-weight:800;letter-spacing:-0.02em;color:var(--white);margin-bottom:14px;line-height:1.25;}
        .section-desc{font-size:1rem;color:var(--ice-slate);line-height:1.65;max-width:720px;margin-bottom:32px;}

        /* Feature Cards */
        .feature-card{
            background:var(--bg-glass);backdrop-filter:blur(14px);border:var(--border-glass);
            border-radius:var(--radius-md);padding:28px 24px;transition:all var(--transition-smooth);
            height:100%;position:relative;overflow:hidden;
        }
        .feature-card::after{
            content:'';position:absolute;top:0;left:0;right:0;height:2px;
            background:linear-gradient(90deg,transparent,var(--cyan-glow),transparent);opacity:0;transition:opacity var(--transition-smooth);
        }
        .feature-card:hover{border-color:rgba(56,189,248,0.5);box-shadow:var(--shadow-glow-cyan);transform:translateY(-4px);}
        .feature-card:hover::after{opacity:1;}
        .feature-card .feat-icon{
            width:54px;height:54px;border-radius:50%;margin-bottom:16px;
            background:linear-gradient(135deg,rgba(37,99,235,0.2),rgba(56,189,248,0.12));
            border:1px solid rgba(56,189,248,0.3);display:flex;align-items:center;justify-content:center;
            font-size:1.4rem;color:var(--cyan-glow);
        }
        .feature-card h3{font-size:1.1rem;font-weight:700;color:var(--white);margin-bottom:8px;}
        .feature-card p{font-size:0.92rem;color:var(--ice-slate);line-height:1.6;margin:0;}

        /* Scene / Steps */
        .scene-panel{
            background:linear-gradient(160deg,rgba(15,23,42,0.85),rgba(8,18,41,0.7));
            border:var(--border-glass);border-radius:var(--radius-lg);overflow:hidden;
            display:flex;flex-wrap:wrap;transition:all var(--transition-smooth);
        }
        .scene-panel:hover{border-color:rgba(56,189,248,0.4);box-shadow:var(--shadow-md);}
        .scene-img{flex:1;min-width:280px;background-size:cover;background-position:center;position:relative;}
        .scene-img img{width:100%;height:100%;object-fit:cover;min-height:280px;}
        .scene-img::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent 50%,rgba(3,7,18,0.7));}
        .scene-body{flex:1;min-width:280px;padding:32px;}
        .scene-body h3{font-size:1.35rem;font-weight:700;color:var(--white);margin-bottom:10px;}
        .scene-body p{font-size:0.95rem;color:var(--ice-slate);line-height:1.65;margin-bottom:16px;}
        .scene-body ul li{font-size:0.9rem;color:var(--polar-white);padding:6px 0;display:flex;align-items:center;gap:8px;}
        .scene-body ul li i{color:var(--cyan-glow);font-size:0.85rem;}

        /* Stats */
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
        .stat-item{
            background:var(--bg-glass);backdrop-filter:blur(12px);border:var(--border-glass);
            border-radius:var(--radius-md);padding:22px 18px;text-align:left;transition:all var(--transition-fast);
        }
        .stat-item:hover{border-color:rgba(56,189,248,0.4);box-shadow:var(--shadow-glow-blue);}
        .stat-item .stat-num{font-size:1.8rem;font-weight:800;color:var(--gold-accent);letter-spacing:-0.03em;margin-bottom:4px;}
        .stat-item .stat-label{font-size:0.82rem;color:var(--ice-slate);font-weight:500;}
        @media(max-width:991px){.stats-grid{grid-template-columns:repeat(2,1fr);}}
        @media(max-width:576px){.stats-grid{grid-template-columns:1fr;}}

        /* Comparison */
        .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
        .compare-col{border-radius:var(--radius-md);padding:28px 24px;border:var(--border-glass);background:var(--bg-glass);}
        .compare-col.old{background:rgba(127,29,29,0.12);border-color:rgba(239,68,68,0.3);}
        .compare-col.new{background:rgba(8,47,73,0.2);border-color:rgba(56,189,248,0.4);}
        .compare-col h3{font-size:1.15rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
        .compare-col .badge-compare{
            font-size:0.7rem;padding:3px 10px;border-radius:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;
        }
        .compare-col.old .badge-compare{background:rgba(239,68,68,0.2);color:#F87171;}
        .compare-col.new .badge-compare{background:rgba(56,189,248,0.2);color:var(--cyan-glow);}
        .compare-col ul li{font-size:0.9rem;color:var(--polar-white);padding:7px 0;display:flex;align-items:flex-start;gap:8px;line-height:1.5;}
        .compare-col ul li i{font-size:0.85rem;margin-top:4px;flex-shrink:0;}
        .compare-col.old ul li i{color:#F87171;}
        .compare-col.new ul li i{color:var(--cyan-glow);}
        @media(max-width:768px){.compare-grid{grid-template-columns:1fr;}}

        /* News list */
        .news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
        .news-card{
            background:var(--bg-glass);backdrop-filter:blur(12px);border:var(--border-glass);
            border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column;
            transition:all var(--transition-smooth);height:100%;
        }
        .news-card:hover{border-color:rgba(56,189,248,0.5);box-shadow:var(--shadow-glow-cyan);transform:translateY(-3px);}
        .news-card .news-thumb{height:170px;overflow:hidden;}
        .news-card .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-smooth);}
        .news-card:hover .news-thumb img{transform:scale(1.05);}
        .news-card .news-body{padding:18px 20px;flex:1;display:flex;flex-direction:column;}
        .news-card .news-cat{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--cyan-glow);margin-bottom:6px;}
        .news-card .news-title{font-size:0.98rem;font-weight:700;color:var(--white);line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
        .news-card .news-excerpt{font-size:0.83rem;color:var(--ice-slate);line-height:1.55;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;}
        .news-card .news-meta{font-size:0.75rem;color:rgba(148,163,184,0.7);display:flex;gap:12px;align-items:center;}
        .news-card .news-meta i{margin-right:4px;color:var(--cyan-holo);}
        .news-empty{padding:32px;text-align:center;background:var(--bg-glass);border:var(--border-glass);border-radius:var(--radius-md);color:var(--ice-slate);font-size:0.95rem;}
        @media(max-width:991px){.news-list-grid{grid-template-columns:repeat(2,1fr);}}
        @media(max-width:576px){.news-list-grid{grid-template-columns:1fr;}}

        /* FAQ */
        .faq-list{display:flex;flex-direction:column;gap:12px;max-width:820px;}
        .faq-item{background:var(--bg-glass);backdrop-filter:blur(12px);border:var(--border-glass);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition-fast);}
        .faq-item.active{border-color:rgba(56,189,248,0.5);box-shadow:var(--shadow-glow-blue);}
        .faq-q{
            padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:16px;
            font-weight:700;font-size:0.98rem;color:var(--polar-white);cursor:pointer;background:transparent;width:100%;text-align:left;
            transition:color var(--transition-fast);
        }
        .faq-q:hover{color:var(--cyan-glow);}
        .faq-q .faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:rgba(56,189,248,0.12);border:1px solid rgba(56,189,248,0.3);display:flex;align-items:center;justify-content:center;font-size:0.8rem;color:var(--cyan-glow);transition:transform var(--transition-smooth);}
        .faq-item.active .faq-q .faq-icon{transform:rotate(180deg);}
        .faq-a{max-height:0;overflow:hidden;transition:max-height var(--transition-smooth);padding:0 22px;}
        .faq-item.active .faq-a{max-height:300px;padding-bottom:18px;}
        .faq-a p{font-size:0.92rem;color:var(--ice-slate);line-height:1.65;margin:0;}

        /* Guarantee / Trust bar */
        .trust-bar{
            background:linear-gradient(135deg,rgba(37,99,235,0.15),rgba(56,189,248,0.08));
            border:1px solid rgba(56,189,248,0.3);border-radius:var(--radius-md);
            padding:22px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
        }
        .trust-bar .trust-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
        .trust-bar .trust-left .trust-icon{
            width:46px;height:46px;border-radius:50%;background:rgba(56,189,248,0.15);border:1px solid rgba(56,189,248,0.4);
            display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--cyan-glow);flex-shrink:0;
        }
        .trust-bar .trust-left .trust-text h3{font-size:1rem;font-weight:700;color:var(--white);margin-bottom:2px;}
        .trust-bar .trust-left .trust-text p{font-size:0.82rem;color:var(--ice-slate);margin:0;}
        .trust-bar .trust-right{display:flex;gap:10px;flex-wrap:wrap;}
        .trust-badge{font-size:0.78rem;font-weight:600;padding:7px 14px;border-radius:20px;background:rgba(3,7,18,0.6);border:1px solid rgba(56,189,248,0.25);color:var(--polar-white);white-space:nowrap;}
        .trust-badge i{color:var(--cyan-glow);margin-right:5px;}

        /* Bottom sticky CTA */
        .sticky-cta{
            position:fixed;bottom:0;left:0;right:0;z-index:900;
            background:rgba(3,7,18,0.95);backdrop-filter:blur(20px);
            border-top:1px solid rgba(56,189,248,0.25);
            padding:14px 0;transform:translateY(100%);transition:transform var(--transition-smooth);
        }
        .sticky-cta.visible{transform:translateY(0);}
        .sticky-cta .container{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
        .sticky-cta .sticky-info{display:flex;align-items:center;gap:10px;font-size:0.9rem;font-weight:600;color:var(--polar-white);}
        .sticky-cta .sticky-info i{color:var(--gold-accent);}
        .sticky-cta .sticky-btns{display:flex;gap:10px;flex-wrap:wrap;}
        .sticky-cta .btn-glow-primary{padding:9px 20px;font-size:0.88rem;}

        /* FAB */
        .fab-support{
            position:fixed;left:16px;bottom:96px;z-index:950;
            width:52px;height:52px;border-radius:50%;
            background:rgba(7,7,13,0.85);backdrop-filter:blur(16px);
            border:2px solid rgba(56,189,248,0.7);
            display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--cyan-glow);
            box-shadow:0 0 20px rgba(6,182,212,0.45);
            transition:all var(--transition-smooth);cursor:pointer;
            opacity:0.75;
        }
        .fab-support:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(6,182,212,0.65);}
        .fab-support:active{transform:scale(0.95);}
        .fab-support .fab-badge{
            position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;
            background:#EF4444;border:2px solid #fff;animation:pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1);}50%{opacity:0.5;transform:scale(1.3);}}

        /* Footer */
        .site-footer{
            background:var(--bg-navy);border-top:1px solid rgba(56,189,248,0.15);
            padding:48px 0 24px;margin-bottom:60px;
        }
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;}
        .footer-brand .footer-logo{
            display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;color:var(--white);margin-bottom:14px;
        }
        .footer-brand .logo-icon-small{
            width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--blue-primary),var(--cyan-glow));
            display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--white);
            box-shadow:0 0 14px rgba(56,189,248,0.35);
        }
        .footer-brand p{font-size:0.85rem;color:var(--ice-slate);line-height:1.6;margin-bottom:16px;max-width:360px;}
        .footer-payments{display:flex;flex-wrap:wrap;gap:6px;}
        .footer-payments span{
            font-size:0.72rem;padding:5px 10px;border-radius:14px;background:rgba(3,7,18,0.5);
            border:1px solid rgba(56,189,248,0.2);color:var(--polar-white);white-space:nowrap;
        }
        .footer-payments span i{color:var(--cyan-glow);margin-right:4px;}
        .footer-col h4{font-size:0.95rem;font-weight:700;color:var(--white);margin-bottom:14px;letter-spacing:-0.01em;}
        .footer-col ul li{margin-bottom:8px;}
        .footer-col ul li a{font-size:0.84rem;color:var(--ice-slate);transition:color var(--transition-fast);}
        .footer-col ul li a:hover{color:var(--cyan-glow);}
        .footer-bottom{
            margin-top:36px;padding-top:20px;border-top:1px solid rgba(56,189,248,0.12);
            display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
        }
        .footer-bottom p{font-size:0.78rem;color:rgba(148,163,184,0.7);margin:0;}
        .footer-bottom .footer-links{display:flex;gap:16px;flex-wrap:wrap;}
        .footer-bottom .footer-links a{font-size:0.78rem;color:rgba(148,163,184,0.7);}
        .footer-bottom .footer-links a:hover{color:var(--cyan-glow);}
        @media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:20px;}}
        @media(max-width:576px){.footer-grid{grid-template-columns:1fr;}.footer-bottom{flex-direction:column;text-align:center;}}

        /* Utilities */
        .text-glow-cyan{color:var(--cyan-glow);text-shadow:0 0 12px rgba(56,189,248,0.5);}
        .text-gold{color:var(--gold-accent);}
        .mb-0{margin-bottom:0;}
        .mt-0{margin-top:0;}
        .gap-2{display:flex;gap:12px;align-items:center;flex-wrap:wrap;}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}