/* roulang page: index */
:root {
            --jade-deep: #0A2E1C;
            --jade-forest: #123E25;
            --gold: #FFD700;
            --lucky-red: #D32F2F;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --bg-dark: rgba(10, 46, 28, 0.75);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background-color: var(--jade-deep);
            color: var(--white);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--gold);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo i { font-size: 1.6rem; color: var(--gold); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .nav-links a {
            font-weight: 500;
            color: var(--mint);
            padding: 0.5rem 0;
            position: relative;
            font-size: 0.95rem;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--gold); }
        .nav-links a.active::after, .nav-links a:hover::after {
            content: '';
            position: absolute;
            bottom: -2px; left: 0; right: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-left: 1.5rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.25);
            color: var(--white);
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-login:hover { background: rgba(255,255,255,0.1); border-color: var(--gold); color: var(--gold); }
        .btn-signup {
            background: var(--gold);
            color: var(--jade-deep);
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }
        .btn-signup:hover { background: #FFE552; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(255,215,0,0.5); }
        .mobile-toggle { display: none; background: transparent; border: none; color: var(--white); font-size: 1.6rem; cursor: pointer; }
        @media (max-width: 768px) {
            .nav-links, .nav-actions { display: none; }
            .mobile-toggle { display: block; }
            .nav-wrapper { height: 60px; }
            .site-header.mobile-open .nav-links,
            .site-header.mobile-open .nav-actions {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 60px; left: 0; right: 0;
                background: rgba(10,46,28,0.98);
                padding: 1rem 1.5rem;
                gap: 0.75rem;
                border-bottom: 2px solid var(--gold);
            }
            .site-header.mobile-open .nav-actions { flex-direction: row; justify-content: center; }
        }

        /* Hero */
        .hero {
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 46, 28, 0.8);
            background: linear-gradient(135deg, rgba(10,46,28,0.9), rgba(18,62,37,0.7));
        }
        .hero .container { position: relative; z-index: 2; }
        .hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--gold);
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 6px rgba(0,0,0,0.5);
        }
        .hero .hero-desc {
            font-size: 1.1rem;
            color: var(--mint);
            max-width: 700px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
        .badge {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,215,0,0.3);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--mint);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            backdrop-filter: blur(4px);
        }
        .badge i { color: var(--gold); }
        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--gold);
            color: var(--jade-deep);
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(255,215,0,0.4);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover { background: #FFE552; transform: translateY(-3px); box-shadow: 0 10px 28px rgba(255,215,0,0.55); }
        .btn-outline {
            background: transparent;
            color: var(--white);
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255,255,255,0.4);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--gold); color: var(--gold); }

        /* General Section */
        .section { padding: 5rem 0; }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 0.75rem;
            text-align: left;
        }
        .section-subtitle {
            color: var(--mint);
            max-width: 800px;
            margin-bottom: 2.5rem;
            font-size: 1.05rem;
            text-align: left;
        }
        .grid { display: grid; gap: 2rem; }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }
        .grid-4 { grid-template-columns: repeat(4, 1fr); }
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-2 { grid-template-columns: 1fr; }
        }
        @media (max-width: 640px) {
            .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .section { padding: 3rem 0; }
            .section-title { font-size: 1.5rem; }
        }

        /* Cards */
        .card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255,215,0,0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: rgba(255,215,0,0.5);
            box-shadow: var(--shadow-card);
        }
        .card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
        .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .card:hover .card-img img { transform: scale(1.05); }
        .card-tag {
            position: absolute;
            top: 10px; right: 10px;
            background: var(--lucky-red);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .card-body { padding: 1.25rem; }
        .card-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--white); }
        .card-body p { color: var(--mint); font-size: 0.9rem; margin-bottom: 1rem; }

        /* News list */
        .news-list { display: flex; flex-direction: column; gap: 1rem; }
        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.25rem;
            background: rgba(18,62,37,0.5);
            border-radius: var(--radius-md);
            transition: var(--transition);
            border-left: 3px solid var(--gold);
        }
        .news-item:hover { background: rgba(18,62,37,0.8); transform: translateX(6px); }
        .news-item h3 { font-weight: 600; color: var(--white); font-size: 1rem; margin-bottom: 0.25rem; }
        .news-item .meta { font-size: 0.8rem; color: rgba(209,242,235,0.7); }
        .news-sidebar { background: rgba(18,62,37,0.5); border-radius: var(--radius-md); padding: 1.5rem; }

        /* VIP */
        .vip-level { background: rgba(18,62,37,0.6); border-radius: var(--radius-md); padding: 1.5rem; text-align: center; transition: var(--transition); }
        .vip-level:hover { border: 1px solid var(--gold); transform: translateY(-4px); }
        .vip-level .level-icon { font-size: 2rem; color: var(--gold); margin-bottom: 0.75rem; }
        .vip-level h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }

        /* FAQ */
        .faq-item { border-bottom: 1px solid rgba(255,255,255,0.1); padding: 1.25rem 0; cursor: pointer; }
        .faq-question { font-weight: 600; font-size: 1.05rem; color: var(--white); display: flex; justify-content: space-between; align-items: center; }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; color: var(--mint); }
        .faq-item.active .faq-answer { max-height: 300px; margin-top: 0.75rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-question i { transition: var(--transition); }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: #1C1C1E;
            border: 3px solid var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            opacity: 0.7;
            animation: breathe 3s infinite ease-in-out;
            transition: var(--transition);
            position: relative;
        }
        .fab:hover { opacity: 1; transform: scale(1.1); animation: none; }
        .fab:active { transform: scale(0.95) translateY(2px); }
        .fab i { font-size: 1.5rem; color: var(--gold); transition: transform 0.5s; }
        .fab:hover i { transform: rotate(360deg); }
        .fab .notification {
            position: absolute;
            top: -2px; right: -2px;
            width: 14px;
            height: 14px;
            background: var(--lucky-red);
            border-radius: 50%;
            border: 2px solid var(--jade-deep);
            animation: blink 1.5s infinite;
        }
        @keyframes breathe {
            0%, 100% { transform: translateY(0); opacity: 0.7; }
            50% { transform: translateY(-6px); opacity: 0.9; }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Footer */
        .site-footer {
            background: #071e12;
            border-top: 1px solid rgba(255,215,0,0.2);
            padding: 3rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
        .footer-logo { font-weight: 800; color: var(--gold); font-size: 1.3rem; margin-bottom: 0.75rem; }
        .footer-desc { color: var(--mint); font-size: 0.9rem; }
        .footer-title { font-weight: 700; color: var(--white); margin-bottom: 0.75rem; font-size: 1.05rem; }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.5rem; }
        .footer-links a { color: var(--mint); font-size: 0.9rem; }
        .footer-links a:hover { color: var(--gold); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: rgba(209,242,235,0.8);
            font-size: 0.85rem;
        }
        .payment-icons { display: flex; gap: 1rem; font-size: 1.5rem; color: var(--mint); }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --primary-bg-2: #123E25;
            --primary-bg-deep: #072015;
            --accent-gold: #FFD700;
            --accent-gold-soft: #FFC107;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --text-muted: rgba(209, 242, 235, 0.7);
            --text-gold: #FEF08A;
            --border-gold: rgba(255, 215, 0, 0.35);
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.08);
            --shadow-glow: 0 0 24px rgba(255, 215, 0, 0.12);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --space-1: 0.5rem;
            --space-2: 1rem;
            --space-3: 1.5rem;
            --space-4: 2rem;
            --space-5: 3rem;
            --space-6: 4rem;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s ease;
            --font-main: 'Segoe UI', 'Be Vietnam Pro', 'Roboto', 'Inter', system-ui, -apple-system, 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-main);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
        }

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1320px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: rgba(7, 32, 21, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 0.7rem 0;
            transition: var(--transition-med);
        }

        .site-header.scrolled {
            background-color: rgba(7, 32, 21, 0.96);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            padding: 0.5rem 0;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-logo i {
            font-size: 1.6rem;
            color: var(--accent-gold);
            filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.4));
        }

        .nav-logo span {
            display: flex;
            flex-direction: column;
            gap: 0.05rem;
        }

        .nav-logo .logo-sub {
            font-size: 0.55rem;
            font-weight: 500;
            color: var(--text-pale);
            letter-spacing: 0.08em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-pale);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-links a:hover {
            color: var(--accent-gold);
            background-color: rgba(255, 215, 0, 0.07);
            border-color: rgba(255, 215, 0, 0.25);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            background-color: rgba(255, 215, 0, 0.12);
            border-color: rgba(255, 215, 0, 0.35);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-auth {
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .btn-login {
            color: var(--text-pale);
            border-color: rgba(255, 215, 0, 0.3);
            background-color: transparent;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background-color: rgba(255, 215, 0, 0.06);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #0A2E1C;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.25);
            border-color: var(--accent-gold);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
            background: linear-gradient(135deg, #FFD921, #FFB300);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        .menu-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--accent-gold);
            padding: 0.4rem;
            transition: var(--transition-fast);
        }

        .menu-toggle:hover {
            color: var(--text-white);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0.6rem;
            padding: 1rem 1.5rem 1.5rem;
            background-color: rgba(7, 32, 21, 0.97);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }

        .mobile-menu a {
            padding: 0.7rem 1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-pale);
            transition: var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            border: 1px solid transparent;
        }

        .mobile-menu a:hover {
            color: var(--accent-gold);
            background-color: rgba(255, 215, 0, 0.07);
        }

        .mobile-menu a.active {
            color: var(--accent-gold);
            background-color: rgba(255, 215, 0, 0.12);
            border-color: rgba(255, 215, 0, 0.3);
        }

        .mobile-menu .mobile-auth {
            display: flex;
            gap: 0.6rem;
            margin-top: 0.5rem;
        }

        .mobile-menu .mobile-auth .btn-auth {
            flex: 1;
            text-align: center;
            padding: 0.65rem 1rem;
        }

        @media (max-width: 900px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
            }
        }

        @media (min-width: 901px) {
            .mobile-menu {
                display: none;
            }
        }

        @media (max-width: 380px) {
            .nav-logo {
                font-size: 0.85rem;
            }
            .nav-logo i {
                font-size: 1.3rem;
            }
            .nav-logo .logo-sub {
                font-size: 0.5rem;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 4rem;
            background: linear-gradient(160deg, rgba(7, 32, 21, 0.9) 0%, rgba(10, 46, 28, 0.92) 40%, rgba(18, 62, 37, 0.93) 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--primary-bg), transparent);
            z-index: 1;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 2.5rem;
            align-items: center;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 1.4rem;
            text-align: left;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.05em;
            align-self: flex-start;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-white);
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            text-shadow: 0 0 20px rgba(255, 215, 0, 0.35);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-pale);
            line-height: 1.7;
            max-width: 520px;
        }

        .hero-cta {
            display: flex;
            gap: 0.9rem;
            flex-wrap: wrap;
            margin-top: 0.4rem;
        }

        .btn-primary {
            padding: 0.85rem 1.8rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #0A2E1C;
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            border: 2px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.4);
            background: linear-gradient(135deg, #FFD921, #FFB300);
        }

        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }

        .btn-outline-gold {
            padding: 0.85rem 1.8rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            border: 2px solid rgba(255, 215, 0, 0.45);
            background-color: transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-outline-gold:hover {
            background-color: rgba(255, 215, 0, 0.08);
            border-color: var(--accent-gold);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.15);
        }

        .hero-kpi-row {
            display: flex;
            gap: 2rem;
            margin-top: 0.5rem;
            flex-wrap: wrap;
        }

        .hero-kpi-item {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }

        .hero-kpi-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.1;
        }

        .hero-kpi-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-image-wrap {
            position: relative;
            width: 100%;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 60px rgba(255, 215, 0, 0.08);
            border: 2px solid rgba(255, 215, 0, 0.2);
            aspect-ratio: 4 / 3;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

        .hero-image-wrap:hover img {
            transform: scale(1.04);
        }

        .hero-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(130deg, rgba(7, 32, 21, 0.25) 0%, transparent 45%, rgba(7, 32, 21, 0.45) 100%);
            pointer-events: none;
        }

        .hero-float-badge {
            position: absolute;
            bottom: 1.4rem;
            left: 1.4rem;
            background: rgba(7, 32, 21, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-md);
            padding: 0.7rem 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            z-index: 5;
        }

        .hero-float-badge i {
            font-size: 1.3rem;
            color: var(--accent-gold);
        }

        .hero-float-badge .float-text {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-pale);
            line-height: 1.3;
        }

        .hero-float-badge .float-sub {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-image-wrap {
                aspect-ratio: 16 / 9;
            }
        }

        @media (max-width: 640px) {
            .hero-section {
                padding: 6rem 0 3rem;
                min-height: auto;
            }
            .hero-title {
                font-size: clamp(1.6rem, 7vw, 2.2rem);
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-kpi-row {
                gap: 1.2rem;
            }
            .hero-kpi-value {
                font-size: 1.3rem;
            }
            .hero-cta {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-outline-gold {
                width: 100%;
                justify-content: center;
            }
            .hero-image-wrap {
                aspect-ratio: 3 / 2;
                border-radius: var(--radius-lg);
            }
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: var(--space-6) 0;
            position: relative;
        }

        .section-block-alt {
            background-color: var(--primary-bg-deep);
        }

        .section-block-glass {
            background: linear-gradient(170deg, rgba(18, 62, 37, 0.35) 0%, rgba(7, 32, 21, 0.5) 100%);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

        .section-header {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }

        .section-header-left {
            flex: 1;
            min-width: 260px;
        }

        .section-label {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .section-label::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 560px;
            margin-top: 0.6rem;
        }

        /* ===== Data Dashboard ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .data-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.2rem;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.7rem;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .data-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-med);
        }

        .data-card:hover {
            border-color: rgba(255, 215, 0, 0.3);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .data-card:hover::after {
            opacity: 1;
        }

        .data-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        .data-card-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .data-card-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-pale);
            line-height: 1.4;
        }

        .data-card-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

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

        @media (max-width: 560px) {
            .data-grid {
                grid-template-columns: 1fr;
                gap: 0.9rem;
            }
            .data-card {
                padding: 1.3rem 1rem;
                gap: 0.5rem;
            }
        }

        /* ===== Service Matrix ===== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.4rem;
        }

        .service-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.4rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle at top right, rgba(255, 215, 0, 0.08), transparent 70%);
            pointer-events: none;
        }

        .service-card:hover {
            border-color: rgba(255, 215, 0, 0.3);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            transform: translateY(-5px);
        }

        .service-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .service-card-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
        }

        .service-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .service-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--accent-gold);
            background-color: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.2);
            align-self: flex-start;
        }

        @media (max-width: 1024px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
        }

        @media (max-width: 640px) {
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .service-card {
                padding: 1.4rem 1.1rem;
            }
        }

        /* ===== Comparison ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 2rem 1.6rem;
            border: 1px solid var(--glass-border);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .comparison-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            border-radius: 4px 4px 0 0;
        }

        .comparison-card.regular {
            background: linear-gradient(160deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .comparison-card.regular::before {
            background: #6B7280;
        }

        .comparison-card.vip {
            background: linear-gradient(160deg, rgba(255, 215, 0, 0.06) 0%, rgba(255, 200, 0, 0.02) 100%);
            border-color: rgba(255, 215, 0, 0.35);
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.08);
        }

        .comparison-card.vip::before {
            background: linear-gradient(90deg, var(--accent-gold), #FFB300, var(--accent-gold));
        }

        .comparison-card.vip:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: 0 10px 40px rgba(255, 215, 0, 0.12);
        }

        .comparison-title {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .comparison-title .badge-compare {
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            font-size: 0.68rem;
            font-weight: 800;
            letter-spacing: 0.06em;
        }

        .comparison-card.regular .badge-compare {
            background: rgba(107, 114, 128, 0.2);
            color: #D1D5DB;
        }

        .comparison-card.vip .badge-compare {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            font-size: 0.88rem;
            color: var(--text-pale);
            line-height: 1.5;
        }

        .comparison-list li i {
            flex-shrink: 0;
            margin-top: 0.2rem;
        }

        .comparison-list .check {
            color: #4ADE80;
        }

        .comparison-list .cross {
            color: #F87171;
        }

        .comparison-list .star-gold {
            color: var(--accent-gold);
        }

        @media (max-width: 820px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-med);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.25);
        }

        .faq-item.active {
            border-color: rgba(255, 215, 0, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.3rem;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            transition: background var(--transition-fast);
            text-align: left;
            width: 100%;
            background: none;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            background-color: rgba(255, 215, 0, 0.04);
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            font-size: 0.9rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.3rem;
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.65;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 1.3rem 1.2rem;
        }

        /* ===== CTA / Form ===== */
        .cta-section {
            background: linear-gradient(160deg, rgba(7, 32, 21, 0.95) 0%, rgba(10, 46, 28, 0.97) 100%);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .cta-content {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            text-align: left;
        }

        .cta-content .section-title {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
        }

        .cta-content .section-desc {
            margin-top: 0;
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            list-style: none;
        }

        .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 0.9rem;
            color: var(--text-pale);
        }

        .cta-benefits li i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .cta-form-wrap {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

        .cta-form-title {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.3rem;
            text-align: left;
        }

        .cta-form-sub {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
            margin-bottom: 1rem;
        }

        .form-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-pale);
            letter-spacing: 0.02em;
        }

        .form-input {
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-white);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            width: 100%;
        }

        .form-input::placeholder {
            color: rgba(209, 242, 235, 0.45);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.12);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.8rem;
        }

        .btn-submit {
            width: 100%;
            padding: 0.9rem 1.5rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #0A2E1C;
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.28);
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-family: inherit;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.35);
            background: linear-gradient(135deg, #FFD921, #FFB300);
        }

        .btn-submit:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.25);
        }

        .form-note {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 0.7rem;
            text-align: center;
            line-height: 1.5;
        }

        @media (max-width: 900px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .cta-content {
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .cta-form-wrap {
                padding: 1.5rem 1rem;
            }
        }

        /* ===== Image Feature Block ===== */
        .feature-split {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .feature-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 215, 0, 0.18);
            aspect-ratio: 4 / 3;
        }

        .feature-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

        .feature-image-wrap:hover img {
            transform: scale(1.05);
        }

        .feature-text-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            margin-top: 1.2rem;
        }

        .feature-text-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            font-size: 0.92rem;
            color: var(--text-pale);
            line-height: 1.55;
        }

        .feature-text-list li i {
            color: var(--accent-gold);
            flex-shrink: 0;
            margin-top: 0.25rem;
            font-size: 0.85rem;
        }

        @media (max-width: 900px) {
            .feature-split {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
        }

        /* ===== Process Steps ===== */
        .process-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.4rem;
        }

        .process-step {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.2rem;
            transition: all var(--transition-med);
            position: relative;
        }

        .process-step:hover {
            border-color: rgba(255, 215, 0, 0.3);
            transform: translateY(-4px);
        }

        .process-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            opacity: 0.7;
            line-height: 1;
        }

        .process-step-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
        }

        .process-step-desc {
            font-size: 0.83rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        @media (max-width: 820px) {
            .process-row {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        @media (min-width: 821px) and (max-width: 1024px) {
            .process-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 1rem;
            }
        }

        /* ===== FAB ===== */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E, #0A0A0A);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25), inset 0 1px 2px rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-royal i {
            font-size: 1.3rem;
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.4);
        }

        .fab-royal:hover i {
            transform: rotate(360deg);
        }

        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0A0A0A;
            animation: blink-red 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-5px);
            }
        }

        @keyframes blink-red {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        @media (max-width: 520px) {
            .fab-royal {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            .fab-royal i {
                font-size: 1.1rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--primary-bg-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.13);
            padding: 3rem 0 1.8rem;
            color: var(--text-pale);
        }

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

        .footer-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.7rem;
        }

        .footer-logo i {
            font-size: 1.5rem;
            filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.3));
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 420px;
        }

        .footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.2rem;
            flex-wrap: wrap;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .payment-icons {
            display: flex;
            gap: 0.9rem;
            font-size: 1.3rem;
            color: var(--text-pale);
        }

        .payment-icons i:hover {
            color: var(--accent-gold);
            transition: var(--transition-fast);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.8rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --bg-glass: rgba(13, 17, 30, 0.55);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.22);
            --border-faint: rgba(0, 240, 255, 0.1);
            --border-white-soft: rgba(255, 255, 255, 0.08);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-glow-cyan: 0 0 25px rgba(0, 240, 255, 0.35);
            --shadow-glow-blue: 0 0 30px rgba(0, 82, 255, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 82, 255, 0.15);
            --shadow-lg-elevated: 0 16px 48px rgba(0, 0, 0, 0.45);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Be Vietnam Pro', 'Inter', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-primary);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(0, 82, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 55%),
                linear-gradient(180deg, #08090F 0%, #0D111E 100%);
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* ===== NAVIGATION ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-white-soft);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 240, 255, 0.06);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: #fff;
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.45);
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--accent-cyan);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            padding: 10px 16px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(0, 240, 255, 0.12);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--accent-cyan);
        }

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

        .btn-login {
            padding: 10px 16px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .btn-login:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-register {
            padding: 10px 22px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.88rem;
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            color: #fff;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
        }

        .btn-register:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.5);
            transform: translateY(-1px);
        }

        .btn-register:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.25);
        }

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 1.2rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-white-soft);
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(0, 240, 255, 0.12);
        }

        /* ===== FAB ===== */
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image:
                linear-gradient(rgba(8, 9, 15, 0.75), rgba(8, 9, 15, 0.75)),
                linear-gradient(135deg, #00F0FF, #0052FF, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.45), 0 8px 24px rgba(0, 0, 0, 0.5);
            cursor: pointer;
            transition: all var(--transition-base);
            animation: fab-breathe 2.8s ease-in-out infinite;
            color: var(--accent-cyan);
            font-size: 1.3rem;
        }

        .fab-cyber:hover {
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7), 0 12px 32px rgba(0, 0, 0, 0.55);
            animation-play-state: paused;
            color: #fff;
        }

        .fab-cyber:active {
            transform: scale(0.94);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
        }

        .fab-cyber::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #08090F;
            animation: fab-blink 1.4s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.72; }
            50% { opacity: 1; }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.75); }
        }

        /* ===== ARTICLE HERO ===== */
        .article-hero {
            padding: 140px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.85) 0%, rgba(13, 17, 30, 0.95) 100%);
            z-index: 0;
        }

        .article-hero .container {
            z-index: 1;
            position: relative;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: rgba(0, 240, 255, 0.4);
            font-size: 0.75rem;
        }

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

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 16px;
            max-width: 850px;
        }

        .article-hero .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .article-hero .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .article-hero .article-meta .meta-item i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
            opacity: 0.8;
        }

        .article-hero .article-meta .meta-tag {
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* ===== GLASS CARDS ===== */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-faint);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card), var(--shadow-inner-highlight);
            transition: all var(--transition-base);
        }

        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 12px 40px rgba(0, 82, 255, 0.22), 0 0 20px rgba(0, 240, 255, 0.12);
            transform: translateY(-2px);
        }

        /* ===== SECTION TITLES ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-faint);
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 640px;
            margin-bottom: 36px;
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content {
            font-size: 1.05rem;
            line-height: 1.72;
            color: var(--text-secondary);
            max-width: 800px;
        }

        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-top: 40px;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 650;
            color: #fff;
            margin-top: 30px;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .article-content p {
            margin-bottom: 18px;
            color: var(--text-secondary);
        }

        .article-content a {
            color: var(--accent-cyan);
            border-bottom: 1px solid rgba(0, 240, 255, 0.3);
            transition: all var(--transition-fast);
        }

        .article-content a:hover {
            color: #fff;
            border-bottom-color: #fff;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 20px;
            padding-left: 24px;
            color: var(--text-secondary);
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 10px;
        }

        .article-content ul li::marker {
            color: var(--accent-cyan);
        }

        .article-content ol li::marker {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            border: 1px solid var(--border-white-soft);
            box-shadow: var(--shadow-card);
            width: 100%;
            height: auto;
        }

        .article-content blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: italic;
            font-size: 1.05rem;
        }

        .article-content code {
            background: rgba(0, 240, 255, 0.08);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent-cyan);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }

        .article-content table th {
            background: rgba(0, 240, 255, 0.08);
            color: #fff;
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            border: 1px solid var(--border-faint);
        }

        .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border-faint);
            color: var(--text-secondary);
        }

        /* ===== CONTENT NOT FOUND ===== */
        .content-not-found {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-faint);
        }

        .content-not-found i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }

        .content-not-found h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .content-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .content-not-found .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-glow-cyan);
            transition: all var(--transition-fast);
        }

        .content-not-found .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
            transform: translateY(-1px);
        }

        /* ===== METRICS ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .metric-item {
            text-align: left;
            padding: 28px 24px;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-faint);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.05);
        }

        .metric-item:hover {
            border-color: var(--border-glow);
            box-shadow: 0 12px 36px rgba(0, 82, 255, 0.2);
        }

        .metric-item .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.2rem;
            margin-bottom: 14px;
            border: 1px solid var(--border-faint);
        }

        .metric-item .metric-value {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 4px;
            line-height: 1.2;
        }

        .metric-item .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== SERVICE MATRIX ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .service-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-faint);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 16px 44px rgba(0, 82, 255, 0.22), 0 0 24px rgba(0, 240, 255, 0.1);
            transform: translateY(-4px);
        }

        .service-card .service-img {
            width: 100%;
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .service-card .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .service-card:hover .service-img img {
            transform: scale(1.06);
        }

        .service-card .service-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(transparent, rgba(13, 17, 30, 0.85));
        }

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

        .service-card .service-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid var(--border-faint);
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .service-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }

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

        .service-card .service-link:hover {
            color: #fff;
        }

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

        /* ===== COMPARISON ===== */
        .comparison-wrap {
            margin-top: 40px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-faint);
        }

        .comparison-table th {
            padding: 16px 20px;
            text-align: left;
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            background: rgba(0, 240, 255, 0.06);
            border-bottom: 1px solid var(--border-faint);
        }

        .comparison-table th:first-child {
            width: 35%;
        }

        .comparison-table td {
            padding: 14px 20px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-faint);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table td .highlight-good {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .comparison-table td .highlight-bad {
            color: #FF6B6B;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 36px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-faint);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
        }

        .faq-item.active {
            border-color: var(--border-glow);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: all var(--transition-fast);
            font-family: var(--font-primary);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            background: rgba(0, 240, 255, 0.18);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
            padding-top: 0;
        }

        /* ===== CTA FORM ===== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
            pointer-events: none;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.1) 0%, rgba(0, 240, 255, 0.06) 100%);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-lg-elevated), 0 0 30px rgba(0, 240, 255, 0.1);
            position: relative;
            z-index: 1;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-box .cta-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.65;
            max-width: 560px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-white-soft);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            font-family: var(--font-primary);
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        .cta-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            outline: none;
        }

        .cta-form .btn-submit {
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
            font-family: var(--font-primary);
        }

        .cta-form .btn-submit:hover {
            box-shadow: 0 0 34px rgba(0, 240, 255, 0.55);
            transform: translateY(-2px);
        }

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

        .cta-form .form-note {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-form .form-note i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(8, 9, 15, 0.92);
            border-top: 1px solid var(--border-white-soft);
            padding: 60px 0 30px;
            margin-top: 60px;
            position: relative;
            z-index: 1;
        }

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

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo i {
            color: var(--accent-cyan);
            font-size: 1.3rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 360px;
        }

        .footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-links a::before {
            content: '›';
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            opacity: 0.7;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-white-soft);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .payment-icons {
            display: flex;
            gap: 14px;
            font-size: 1.5rem;
            color: var(--text-muted);
        }

        .payment-icons i {
            transition: color var(--transition-fast);
            cursor: pointer;
        }

        .payment-icons i:hover {
            color: var(--accent-cyan);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
                max-width: 100%;
            }
            .article-hero h1 {
                font-size: 2rem;
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 62px;
                gap: 12px;
            }

            .nav-logo {
                font-size: 1rem;
            }

            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 62px;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-base), padding var(--transition-base);
                border-bottom: 1px solid var(--border-white-soft);
            }

            .nav-links.open {
                max-height: 400px;
                padding: 16px 20px;
            }

            .nav-links a {
                padding: 14px 18px;
                font-size: 1rem;
                text-align: left;
                border-radius: 10px;
            }

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

            .nav-cta {
                gap: 6px;
            }

            .btn-login {
                padding: 8px 12px;
                font-size: 0.8rem;
            }

            .btn-register {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .article-hero {
                padding: 120px 0 40px;
            }

            .article-hero h1 {
                font-size: 1.55rem;
            }

            .article-hero .article-meta {
                gap: 12px;
                font-size: 0.82rem;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 24px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .metric-item {
                padding: 20px 16px;
            }

            .metric-item .metric-value {
                font-size: 1.5rem;
            }

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

            .service-card .service-img {
                height: 160px;
            }

            .comparison-table {
                font-size: 0.85rem;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 10px 14px;
                font-size: 0.82rem;
            }

            .cta-box {
                padding: 32px 24px;
                border-radius: var(--radius-md);
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

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

            .cta-form input,
            .cta-form .btn-submit {
                min-width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .article-hero h1 {
                font-size: 1.35rem;
            }

            .article-hero .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .metric-item {
                padding: 16px 12px;
            }

            .metric-item .metric-value {
                font-size: 1.3rem;
            }

            .metric-item .metric-label {
                font-size: 0.78rem;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 8px 10px;
                font-size: 0.75rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0052FF;
            --color-accent: #00F0FF;
            --color-bg: #08090F;
            --color-bg-alt: #0D111E;
            --color-surface: rgba(255, 255, 255, 0.04);
            --color-surface-hover: rgba(255, 255, 255, 0.07);
            --color-text: #FFFFFF;
            --color-text-muted: #CBD5E1;
            --color-text-dim: #8A94A6;
            --color-border: rgba(0, 240, 255, 0.18);
            --color-border-strong: rgba(0, 240, 255, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --shadow-glow-sm: 0 0 14px rgba(0, 240, 255, 0.25);
            --shadow-glow-md: 0 0 28px rgba(0, 240, 255, 0.4);
            --shadow-glow-lg: 0 0 42px rgba(0, 240, 255, 0.55);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --font-body: 'Be Vietnam Pro', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height);
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--color-text);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-size: 1.1rem;
            box-shadow: var(--shadow-glow-sm);
            flex-shrink: 0;
        }

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

        .logo-text strong {
            font-size: 0.95rem;
            font-weight: 800;
        }

        .logo-text small {
            font-size: 0.62rem;
            color: var(--color-text-dim);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

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

        .nav-links a {
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-muted);
            transition: all var(--transition-base);
            position: relative;
        }

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

        .nav-links a.active {
            color: var(--color-accent);
            background: rgba(0, 240, 255, 0.1);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.2);
        }

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

        .btn-login {
            padding: 9px 16px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text-muted);
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.07);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            box-shadow: var(--shadow-glow-sm);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            box-shadow: var(--shadow-glow-md);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--color-text);
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 16px 20px;
            flex-direction: column;
            gap: 6px;
            z-index: 99;
            transition: all var(--transition-base);
        }

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

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-muted);
            transition: all var(--transition-base);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--color-accent);
            background: rgba(0, 240, 255, 0.08);
        }

        /* ===== FAB ===== */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45), inset 0 0 12px rgba(0, 240, 255, 0.15);
            color: var(--color-accent);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.7;
            transition: all var(--transition-base);
            animation: fab-breathe 3s ease-in-out infinite;
            min-width: 48px;
            min-height: 48px;
        }

        .fab-neon::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
            z-index: -1;
            animation: fab-border-flow 4s linear infinite;
        }

        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.7), inset 0 0 20px rgba(0, 240, 255, 0.25);
            transform: scale(1.08);
        }

        .fab-neon:active {
            transform: scale(0.94);
        }

        .fab-neon .fab-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--color-bg);
            animation: fab-dot-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { box-shadow: 0 0 18px rgba(0, 240, 255, 0.45), inset 0 0 12px rgba(0, 240, 255, 0.15); }
            50% { box-shadow: 0 0 28px rgba(0, 240, 255, 0.65), inset 0 0 18px rgba(0, 240, 255, 0.25); }
        }

        @keyframes fab-border-flow {
            0% { filter: hue-rotate(0deg); }
            100% { filter: hue-rotate(360deg); }
        }

        @keyframes fab-dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* ===== HERO ===== */
        .hero {
            padding-top: calc(var(--nav-height) + 50px);
            padding-bottom: 70px;
            background: 
                radial-gradient(ellipse at 70% 20%, rgba(0, 240, 255, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(0, 82, 255, 0.15) 0%, transparent 50%),
                linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 65%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: fab-dot-blink 1.5s ease-in-out infinite;
        }

        .hero h1 {
            font-size: clamp(1.7rem, 3.5vw, 2.7rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            color: var(--color-text);
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--color-accent), #7B68EE);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 500px;
            margin-bottom: 26px;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card), var(--shadow-glow-sm);
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-visual .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,15,0.15) 0%, rgba(8,9,15,0.5) 100%);
        }

        .hero-visual .badge-float {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: rgba(8, 9, 15, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        .hero-visual .badge-float i {
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        /* Countdown */
        .countdown-section {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .countdown-ring-wrap {
            position: relative;
            width: 110px;
            height: 110px;
            flex-shrink: 0;
        }

        .countdown-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 7;
        }

        .ring-progress {
            fill: none;
            stroke: url(#ringGradient);
            stroke-width: 7;
            stroke-linecap: round;
            stroke-dasharray: 326.73;
            stroke-dashoffset: 0;
            transition: stroke-dashoffset 0.8s ease;
        }

        .ring-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
        }

        .ring-center .ring-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .ring-center .ring-label {
            font-size: 0.6rem;
            color: var(--color-text-dim);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 600;
        }

        .countdown-info {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .countdown-info .label {
            font-size: 0.75rem;
            color: var(--color-text-dim);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 700;
        }

        .countdown-info .time-display {
            display: flex;
            gap: 10px;
            font-family: var(--font-mono);
            font-weight: 700;
        }

        .time-display .time-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }

        .time-display .time-block span {
            font-size: 1.5rem;
            color: var(--color-text);
            line-height: 1;
        }

        .time-display .time-block small {
            font-size: 0.6rem;
            color: var(--color-text-dim);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .time-display .time-sep {
            font-size: 1.35rem;
            color: var(--color-accent);
            align-self: flex-start;
            padding-top: 2px;
        }

        /* Rotating selling points */
        .hero-rotator {
            margin-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
        }

        .rotator-item {
            display: none;
            align-items: flex-start;
            gap: 12px;
            animation: fadeInUp 0.5s ease;
        }

        .rotator-item.active {
            display: flex;
        }

        .rotator-item i {
            color: var(--color-accent);
            font-size: 1.05rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .rotator-item p {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.55;
        }

        .rotator-dots {
            display: flex;
            gap: 8px;
            margin-top: 14px;
        }

        .rotator-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: all var(--transition-base);
            border: none;
            padding: 0;
        }

        .rotator-dot.active {
            background: var(--color-accent);
            box-shadow: var(--shadow-glow-sm);
            width: 22px;
            border-radius: 4px;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 14px;
            font-size: 0.95rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary) 0%, #3B82F6 40%, var(--color-accent) 100%);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.4), 0 4px 16px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: 0 0 42px rgba(0, 240, 255, 0.7), 0 6px 24px rgba(0, 82, 255, 0.7);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.97);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 28px;
            border-radius: 14px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-accent);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.3);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.16);
            box-shadow: var(--shadow-glow-sm);
        }

        /* ===== STATS ===== */
        .stats-section {
            padding: 50px 0;
            background: var(--color-bg-alt);
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .stat-item {
            text-align: left;
            padding: 24px 22px;
            border-radius: var(--radius-md);
            background: var(--color-surface);
            border: 1px solid rgba(0, 240, 255, 0.1);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            background: var(--color-surface-hover);
            border-color: var(--color-border-strong);
            transform: translateY(-3px);
        }

        .stat-item .stat-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            background: rgba(0, 240, 255, 0.1);
            margin-bottom: 12px;
        }

        .stat-item .stat-num {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-dim);
            font-weight: 500;
        }

        /* ===== SECTION SHARED ===== */
        .section {
            padding: 60px 0;
        }

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

        .section-header .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .section-header .section-eyebrow::before {
            content: '';
            width: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .section-header h2 {
            font-size: clamp(1.35rem, 2.5vw, 1.9rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .section-header p {
            font-size: 0.93rem;
            color: var(--color-text-muted);
            max-width: 560px;
            line-height: 1.6;
        }

        /* ===== FEATURES ===== */
        .features-section {
            padding: 60px 0;
            background: var(--color-bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            padding: 28px 24px;
            border-radius: var(--radius-lg);
            background: var(--color-surface);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.1);
            transition: all var(--transition-base);
            cursor: default;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 90px;
            height: 90px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--color-accent);
            background: rgba(0, 240, 255, 0.1);
            margin-bottom: 16px;
            border: 1px solid rgba(0, 240, 255, 0.18);
        }

        .feature-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .feature-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .feature-card .feature-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 5px;
            font-size: 0.65rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            background: rgba(0, 240, 255, 0.08);
            color: var(--color-accent);
            margin-top: 12px;
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .feature-card.featured {
            grid-column: span 2;
            display: flex;
            gap: 24px;
            align-items: center;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12), rgba(0, 240, 255, 0.06));
            border-color: rgba(0, 240, 255, 0.25);
        }

        .feature-card.featured .feature-content {
            flex: 1;
        }

        .feature-card.featured .feature-img {
            width: 120px;
            height: 120px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .feature-card.featured .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== COMPARISON ===== */
        .comparison-section {
            padding: 60px 0;
            background: var(--color-bg-alt);
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
        }

        .comparison-table-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.12);
            background: var(--color-surface);
            backdrop-filter: blur(10px);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.88rem;
        }

        .comparison-table thead tr {
            background: rgba(0, 240, 255, 0.07);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .comparison-table th {
            padding: 16px 18px;
            text-align: left;
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .comparison-table th:nth-child(2) {
            color: var(--color-accent);
        }

        .comparison-table th:nth-child(3) {
            color: #FFD700;
        }

        .comparison-table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tbody tr:hover td {
            background: rgba(255, 255, 255, 0.03);
        }

        .comparison-table .check {
            color: var(--color-accent);
            font-weight: 600;
        }

        .comparison-table .check-gold {
            color: #FFD700;
            font-weight: 600;
        }

        .comparison-table .muted {
            color: var(--color-text-dim);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--color-bg);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: var(--color-surface);
            border: 1px solid rgba(0, 240, 255, 0.1);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.22);
        }

        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            user-select: none;
        }

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

        .faq-item summary::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            content: '\f068';
            transform: rotate(180deg);
        }

        .faq-item .faq-content {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        /* ===== CTA / FORM ===== */
        .cta-section {
            padding: 70px 0;
            background: 
                radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 60%),
                linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
            border-top: 1px solid rgba(0, 240, 255, 0.08);
        }

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

        .cta-info h2 {
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .cta-info p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin-bottom: 20px;
            max-width: 440px;
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .cta-benefits li i {
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .cta-form-card {
            border-radius: var(--radius-lg);
            background: var(--color-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.18);
            padding: 32px 30px;
            box-shadow: var(--shadow-card), var(--shadow-glow-sm);
        }

        .cta-form-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .cta-form-card .form-sub {
            font-size: 0.8rem;
            color: var(--color-text-dim);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            background: rgba(8, 9, 15, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.18);
            color: var(--color-text);
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .form-group input::placeholder {
            color: var(--color-text-dim);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow-sm);
            outline: none;
            background: rgba(8, 9, 15, 0.85);
        }

        .form-group select option {
            background: var(--color-bg-alt);
            color: var(--color-text);
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border: none;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35), 0 4px 12px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-submit:hover {
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.65), 0 6px 20px rgba(0, 82, 255, 0.6);
            transform: translateY(-2px);
        }

        .btn-submit:active {
            transform: translateY(0) scale(0.97);
        }

        .form-note {
            font-size: 0.7rem;
            color: var(--color-text-dim);
            text-align: center;
            margin-top: 12px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #05060A;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .footer-logo i {
            color: var(--color-accent);
            font-size: 1.3rem;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--color-text-dim);
            line-height: 1.65;
            max-width: 380px;
        }

        .footer-title {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.78rem;
            color: var(--color-text-dim);
        }

        .payment-icons {
            display: flex;
            gap: 14px;
            font-size: 1.4rem;
            color: var(--color-text-dim);
        }

        .payment-icons i {
            transition: color var(--transition-fast);
        }

        .payment-icons i:hover {
            color: var(--color-text-muted);
        }

        /* ===== ANIMATIONS ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(14px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-desc {
                max-width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-card.featured {
                grid-column: span 2;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-inner {
                gap: 10px;
            }
            .logo-text small {
                display: none;
            }
            .hero {
                padding-top: calc(var(--nav-height) + 30px);
                padding-bottom: 46px;
            }
            .hero h1 {
                font-size: clamp(1.4rem, 4.5vw, 1.8rem);
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .countdown-section {
                gap: 18px;
            }
            .countdown-ring-wrap {
                width: 85px;
                height: 85px;
            }
            .ring-center .ring-num {
                font-size: 1.25rem;
            }
            .time-display .time-block span {
                font-size: 1.15rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-item {
                padding: 18px 16px;
            }
            .stat-item .stat-num {
                font-size: 1.35rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-card.featured {
                grid-column: 1;
                flex-direction: column;
                gap: 16px;
            }
            .feature-card.featured .feature-img {
                width: 100%;
                height: 160px;
            }
            .comparison-table {
                font-size: 0.78rem;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 11px 12px;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: 44px 0;
            }
            .cta-section {
                padding: 50px 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item .stat-num {
                font-size: 1.2rem;
            }
            .stat-item .stat-label {
                font-size: 0.72rem;
            }
            .countdown-ring-wrap {
                width: 70px;
                height: 70px;
            }
            .ring-center .ring-num {
                font-size: 1rem;
            }
            .time-display .time-block span {
                font-size: 1rem;
            }
            .time-display .time-block small {
                font-size: 0.5rem;
            }
            .btn-primary, .btn-secondary {
                padding: 11px 20px;
                font-size: 0.82rem;
                width: 100%;
                justify-content: center;
            }
            .hero-rotator .rotator-item p {
                font-size: 0.82rem;
            }
            .fab-neon {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.15rem;
            }
            .logo-text strong {
                font-size: 0.78rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .btn-login {
                padding: 7px 10px;
                font-size: 0.75rem;
            }
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
            .hero-visual .badge-float {
                font-size: 0.7rem;
                padding: 10px 12px;
            }
        }