/* roulang page: index */
:root {
            --jade: #0A2E1C;
            --jade-light: #123E25;
            --jade-dark: #061C11;
            --mint: #D1F2EB;
            --gold: #FFD700;
            --gold-deep: #E6B800;
            --red-luck: #D32F2F;
            --white: #FFFFFF;
            --gray: #8A9B8E;
            --border: rgba(255, 215, 0, 0.2);
            --border-light: rgba(209, 242, 235, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.35);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', system-ui, sans-serif;
            --font-display: 'Playfair Display', Georgia, serif;
        }
        * {
            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-body);
            background-color: var(--jade);
            color: var(--white);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold);
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        input, textarea, select {
            font-family: var(--font-body);
            outline: none;
            border: none;
        }
        /* ========== CONTAINER & SECTIONS ========== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-gold-divider {
            border-top: 1px solid var(--border);
            position: relative;
        }
        .section-gold-divider::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
        }
        .section-title-sm {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .section-title-sm::before {
            content: '';
            width: 32px;
            height: 2px;
            background: var(--gold);
            border-radius: 1px;
        }
        .section-title-lg {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--white);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--mint);
            opacity: 0.82;
            max-width: 720px;
            margin-bottom: 32px;
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: linear-gradient(180deg, rgba(6,28,17,0.95) 0%, rgba(10,46,28,0.88) 100%);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(6,28,17,0.98);
            box-shadow: 0 4px 30px rgba(0,0,0,0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--white);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: #1A1A1A;
            box-shadow: var(--gold-glow);
            flex-shrink: 0;
        }
        .nav-logo span {
            font-size: 0.82rem;
            line-height: 1.25;
            color: var(--mint);
            opacity: 0.85;
            font-weight: 600;
            letter-spacing: 0.05em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mint);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-links li a:hover {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.07);
        }
        .nav-links li a.active {
            color: #1A1A1A;
            background: var(--gold-gradient);
            font-weight: 700;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-btn-login {
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            background: transparent;
            color: var(--mint);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-btn-login:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(255, 215, 0, 0.06);
        }
        .nav-btn-signup {
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 700;
            background: var(--gold-gradient);
            color: #1A1A1A;
            box-shadow: var(--gold-glow);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 40px rgba(255,215,0,0.4);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-light);
            color: var(--gold);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .nav-mobile {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 99;
            background: rgba(6,28,17,0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }
        .nav-mobile.open {
            display: flex;
        }
        .nav-mobile a {
            display: block;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--mint);
            transition: all var(--transition);
        }
        .nav-mobile a:hover,
        .nav-mobile a.active {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
        }
        /* ========== HERO ========== */
        .hero {
            padding: 140px 0 72px;
            min-height: 680px;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-color: var(--jade-dark);
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6,28,17,0.88) 0%, rgba(10,46,28,0.78) 40%, rgba(6,28,17,0.92) 100%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .hero-left {
            text-align: left;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 0.7rem;
            animation: pulseGold 2s ease-in-out infinite;
            border-radius: 50%;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--white);
        }
        .hero h1 .gold-text {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p.hero-desc {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--mint);
            opacity: 0.85;
            max-width: 540px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 34px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--gold-gradient);
            color: #1A1A1A;
            box-shadow: 0 8px 36px rgba(255,215,0,0.35);
            transition: all var(--transition);
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 50px rgba(255,215,0,0.45);
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 28px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            color: var(--white);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .btn-hero-secondary:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(255, 215, 0, 0.06);
        }
        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-value {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: -0.01em;
        }
        .hero-stat-label {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--mint);
            opacity: 0.65;
            letter-spacing: 0.03em;
        }
        .hero-right {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .hero-progress-wrapper {
            position: relative;
            width: 220px;
            height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-progress-ring {
            position: relative;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: conic-gradient(
                var(--gold) 0deg,
                var(--gold-deep) 240deg,
                rgba(255,255,255,0.08) 240deg,
                rgba(255,255,255,0.08) 360deg
            );
            box-shadow: 0 0 50px rgba(255,215,0,0.15), inset 0 0 30px rgba(0,0,0,0.3);
        }
        .hero-progress-ring::before {
            content: '';
            position: absolute;
            inset: 18px;
            border-radius: 50%;
            background: var(--jade-dark);
            box-shadow: inset 0 2px 20px rgba(0,0,0,0.6);
        }
        .hero-progress-center {
            position: absolute;
            z-index: 1;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }
        .hero-progress-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--gold);
            letter-spacing: -0.02em;
        }
        .hero-progress-label {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--mint);
            opacity: 0.7;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .hero-tier-preview {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-tier-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: 999px;
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-light);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--mint);
            transition: all var(--transition);
            cursor: pointer;
        }
        .hero-tier-chip:hover {
            border-color: var(--gold);
            background: rgba(255,215,0,0.08);
            color: var(--gold);
        }
        .hero-tier-chip i {
            font-size: 0.65rem;
        }
        /* ========== PROGRESS SECTION ========== */
        .progress-section {
            background: var(--jade-light);
        }
        .progress-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .progress-card {
            background: var(--card-gradient);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            position: relative;
            overflow: hidden;
        }
        .progress-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,215,0,0.10) 0%, transparent 70%);
            pointer-events: none;
        }
        .progress-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--white);
        }
        .progress-bar-wrap {
            margin-bottom: 20px;
        }
        .progress-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--mint);
            margin-bottom: 8px;
        }
        .progress-bar-label span:last-child {
            color: var(--gold);
        }
        .progress-bar-track {
            width: 100%;
            height: 10px;
            border-radius: 999px;
            background: rgba(255,255,255,0.06);
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--gold-gradient);
            transition: width 0.8s ease;
            position: relative;
        }
        .progress-bar-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
            animation: shimmer 2.5s linear infinite;
            background-size: 200% 100%;
        }
        .progress-milestones {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .milestone {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--mint);
            opacity: 0.75;
        }
        .milestone i {
            color: var(--gold);
            font-size: 0.7rem;
        }
        .progress-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .progress-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-light);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mint);
            transition: all var(--transition);
        }
        .progress-feature-item:hover {
            border-color: var(--gold);
            background: rgba(255,215,0,0.06);
            color: var(--gold);
        }
        .progress-feature-item i {
            font-size: 1rem;
            color: var(--gold);
            width: 20px;
            text-align: center;
        }
        /* ========== TIER REWARDS ========== */
        .tier-section {
            background: var(--jade-dark);
        }
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tier-card {
            background: var(--card-gradient);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            position: relative;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            border-color: var(--border);
            box-shadow: var(--shadow-hover);
        }
        .tier-card.featured {
            border-color: rgba(255, 215, 0, 0.4);
            box-shadow: 0 0 40px rgba(255,215,0,0.1);
        }
        .tier-card.featured .tier-badge {
            display: inline-flex;
        }
        .tier-badge {
            display: none;
            align-items: center;
            gap: 5px;
            position: absolute;
            top: -12px;
            right: 16px;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--gold-gradient);
            font-size: 0.65rem;
            font-weight: 800;
            color: #1A1A1A;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            box-shadow: var(--gold-glow);
        }
        .tier-name {
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--gold);
        }
        .tier-price {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.02em;
        }
        .tier-price span {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--mint);
            opacity: 0.6;
            letter-spacing: 0;
        }
        .tier-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: var(--mint);
            opacity: 0.78;
        }
        .tier-features-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .tier-features-list li {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 0.82rem;
            color: var(--mint);
        }
        .tier-features-list li i {
            color: var(--gold);
            font-size: 0.65rem;
            flex-shrink: 0;
        }
        .tier-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 700;
            background: rgba(255,255,255,0.06);
            color: var(--white);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            margin-top: 6px;
        }
        .tier-btn:hover {
            background: var(--gold-gradient);
            color: #1A1A1A;
            border-color: transparent;
            box-shadow: var(--gold-glow);
        }
        .tier-card.featured .tier-btn {
            background: var(--gold-gradient);
            color: #1A1A1A;
            border-color: transparent;
            box-shadow: var(--gold-glow);
        }
        /* ========== GUARANTEE ICONS ========== */
        .guarantee-section {
            background: var(--jade);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .guarantee-item {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            padding: 24px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: left;
        }
        .guarantee-item:hover {
            border-color: var(--border);
            transform: translateY(-3px);
        }
        .guarantee-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            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: 1.2rem;
            color: var(--gold);
            flex-shrink: 0;
        }
        .guarantee-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
        }
        .guarantee-item p {
            font-size: 0.82rem;
            line-height: 1.55;
            color: var(--mint);
            opacity: 0.7;
        }
        /* ========== HORIZONTAL RAIL ========== */
        .rail-section {
            background: var(--jade-dark);
        }
        .rail-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 20px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,215,0,0.3) transparent;
        }
        .rail-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .rail-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .rail-scroll::-webkit-scrollbar-thumb {
            background: rgba(255,215,0,0.3);
            border-radius: 999px;
        }
        .rail-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--card-gradient);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            cursor: pointer;
        }
        .rail-card:hover {
            transform: translateY(-4px);
            border-color: var(--border);
            box-shadow: var(--shadow-hover);
        }
        .rail-card-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            background-color: var(--jade-light);
        }
        .rail-card-body {
            padding: 14px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .rail-card-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.3;
        }
        .rail-card-sub {
            font-size: 0.75rem;
            color: var(--mint);
            opacity: 0.65;
            font-weight: 500;
        }
        .rail-card-cta {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--gold);
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .rail-card-cta i {
            font-size: 0.6rem;
        }
        /* ========== SUPPORTER WALL ========== */
        .supporters-section {
            background: var(--jade-light);
        }
        .supporters-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .supporter-card {
            background: var(--card-gradient);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 26px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition);
        }
        .supporter-card:hover {
            border-color: var(--border);
            transform: translateY(-3px);
        }
        .supporter-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .supporter-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            color: #1A1A1A;
            flex-shrink: 0;
        }
        .supporter-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .supporter-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--white);
        }
        .supporter-role {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .supporter-quote {
            font-size: 0.85rem;
            line-height: 1.6;
            color: var(--mint);
            opacity: 0.8;
            font-style: italic;
        }
        .supporter-stars {
            display: flex;
            gap: 4px;
            color: var(--gold);
            font-size: 0.8rem;
        }
        /* ========== NEWS / CMS ========== */
        .news-section {
            background: var(--jade);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 28px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: center;
        }
        .news-item:hover {
            border-color: var(--border);
            background: rgba(255,215,0,0.05);
            transform: translateX(3px);
        }
        .news-item-index {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255,215,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--gold);
            flex-shrink: 0;
        }
        .news-item-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-item-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.4;
            transition: color var(--transition);
        }
        .news-item:hover .news-item-title {
            color: var(--gold);
        }
        .news-item-meta {
            display: flex;
            gap: 14px;
            font-size: 0.72rem;
            color: var(--mint);
            opacity: 0.6;
            font-weight: 500;
        }
        .news-item-meta span i {
            margin-right: 4px;
            font-size: 0.6rem;
            color: var(--gold);
        }
        .news-empty {
            padding: 40px;
            text-align: center;
            font-size: 0.95rem;
            color: var(--mint);
            opacity: 0.7;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-sidebar-card {
            background: var(--card-gradient);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 26px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-sidebar-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
        }
        .news-sidebar-card p {
            font-size: 0.82rem;
            color: var(--mint);
            opacity: 0.7;
            line-height: 1.55;
        }
        .news-sidebar-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(255,215,0,0.08);
            border: 1px solid rgba(255,215,0,0.2);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--gold);
            align-self: flex-start;
        }
        /* ========== FAQ ========== */
        .faq-section {
            background: var(--jade-dark);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: transparent;
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 700;
            text-align: left;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--gold);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--gold);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 0.85rem;
            line-height: 1.7;
            color: var(--mint);
            opacity: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
            opacity: 0.82;
        }
        /* ========== CTA / SUPPORT BUTTON ========== */
        .cta-section {
            background: var(--jade-light);
            text-align: center;
        }
        .cta-container {
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-btn-large {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 18px 40px;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 800;
            background: var(--gold-gradient);
            color: #1A1A1A;
            box-shadow: 0 10px 40px rgba(255,215,0,0.3);
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        .cta-btn-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 60px rgba(255,215,0,0.5);
        }
        .cta-secondary-note {
            font-size: 0.8rem;
            color: var(--mint);
            opacity: 0.6;
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .cta-secondary-note i {
            color: var(--gold);
            font-size: 0.7rem;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--jade-dark);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 24px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-brand .nav-logo {
            margin-bottom: 4px;
        }
        .footer-desc {
            font-size: 0.82rem;
            line-height: 1.65;
            color: var(--mint);
            opacity: 0.7;
            max-width: 300px;
        }
        .footer-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: var(--mint);
            opacity: 0.7;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
            opacity: 1;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copy {
            font-size: 0.78rem;
            color: var(--mint);
            opacity: 0.55;
        }
        .footer-badges {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-light);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--mint);
        }
        .footer-badge i {
            color: var(--gold);
            font-size: 0.65rem;
        }
        /* ========== FAB ========== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 60;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A 0%, #0D0D0D 60%, #1A1A1A 100%);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--gold);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            opacity: 0.72;
            transition: all var(--transition);
            animation: float 3s ease-in-out infinite;
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 60;
            width: 56px;
            height: 56px;
            cursor: pointer;
        }
        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 36px rgba(255,215,0,0.45);
            animation-play-state: paused;
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--red-luck);
            border: 2px solid #1A1A1A;
            animation: pulseGold 1.8s ease-in-out infinite;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-left {
                text-align: center;
            }
            .hero p.hero-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .supporters-grid {
                grid-template-columns: 1fr;
                max-width: 450px;
                margin: 0 auto;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .progress-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-group {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-mobile a.nav-btn-login-mobile,
            .nav-mobile a.nav-btn-signup-mobile {
                margin-top: 8px;
                text-align: center;
            }
            .hero {
                padding: 120px 0 48px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-progress-wrapper {
                width: 170px;
                height: 170px;
            }
            .hero-progress-number {
                font-size: 1.7rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title-lg {
                font-size: 1.5rem;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .rail-card {
                flex: 0 0 170px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container,
            .container-wide {
                padding: 0 16px;
            }
            .nav-inner {
                height: 64px;
            }
            .nav-mobile {
                top: 64px;
            }
            .fab-left {
                width: 50px;
                height: 50px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero p.hero-desc {
                font-size: 0.92rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 13px 22px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-tier-preview {
                flex-wrap: wrap;
            }
            .tier-card {
                padding: 20px;
            }
            .tier-price {
                font-size: 1.4rem;
            }
            .guarantee-item {
                padding: 18px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .cta-btn-large {
                padding: 15px 28px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: 15px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #061f13;
            --accent-gold: #FFD700;
            --accent-gold-dark: #D4AC0D;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-gold: #FEF08A;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-soft: rgba(255, 215, 0, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.25);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.35);
            --shadow-gold: 0 0 20px rgba(255,215,0,0.25);
            --shadow-gold-hover: 0 0 35px rgba(255,215,0,0.45);
            --font-base: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: var(--font-base);
            border: none;
            outline: none;
            transition: var(--transition);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 31, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(6, 31, 19, 0.98);
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--text-gold);
        }

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            border-radius: 50%;
            font-size: 1.2rem;
            color: var(--bg-deep);
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

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

        .nav-links li a {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-mint);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
        }

        .nav-links li a.active {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px var(--border-gold);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-btn-login {
            padding: 9px 18px;
            border-radius: 50px;
            background: transparent;
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.88rem;
            border: 1px solid var(--border-soft);
        }

        .nav-btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .nav-btn-signup {
            padding: 9px 20px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: var(--bg-deep);
            font-weight: 700;
            font-size: 0.88rem;
            box-shadow: var(--shadow-gold);
        }

        .nav-btn-signup:hover {
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-1px);
            background: linear-gradient(135deg, #FFE44D, var(--accent-gold));
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            color: var(--accent-gold);
            font-size: 1.2rem;
            border: 1px solid var(--border-soft);
        }

        /* Mobile nav */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-soft);
            padding: 16px 20px;
            z-index: 99;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-lg);
        }

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

        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }

        .mobile-menu .nav-cta-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border-soft);
        }

        /* Hero */
        .hero {
            padding-top: 130px;
            padding-bottom: 70px;
            position: relative;
            background:
                radial-gradient(ellipse at 25% 15%, rgba(255,215,0,0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(210,47,47,0.06) 0%, transparent 55%),
                linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 450px;
            height: 450px;
            border-radius: 50%;
            border: 1px solid rgba(255,215,0,0.08);
            background: radial-gradient(circle, rgba(255,215,0,0.03) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 1px solid rgba(255,215,0,0.05);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            text-shadow: 0 0 30px rgba(255,215,0,0.3);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 28px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: var(--bg-deep);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #FFE44D, var(--accent-gold));
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.98rem;
            border: 1px solid var(--border-gold);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-mint);
            padding: 5px 12px;
            border-radius: 50px;
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.06);
        }

        .trust-item i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

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

        .hero-visual-card {
            position: relative;
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-lg), var(--shadow-gold);
            background: rgba(255,255,255,0.03);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-visual-card img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }

        .hero-visual-card .card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(6,31,19,0.95));
        }

        .hero-visual-card .card-overlay h4 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .hero-visual-card .card-overlay p {
            color: var(--text-mint);
            font-size: 0.88rem;
        }

        /* Sections */
        .section {
            padding: 60px 0;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .section-header {
            max-width: 680px;
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.65;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-soft);
            color: var(--accent-gold);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        /* Value props */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .value-card {
            padding: 28px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-soft);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .value-card:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.05);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .value-card .value-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .value-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .value-card p {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        /* Feature groups */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.02);
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .feature-item:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.04);
        }

        .feature-num {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: var(--bg-deep);
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .feature-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .feature-item p {
            color: var(--text-mint);
            font-size: 0.88rem;
            line-height: 1.55;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .scenario-card {
            padding: 22px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-soft);
            text-align: left;
            transition: var(--transition);
        }

        .scenario-card:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
            transform: translateY(-2px);
        }

        .scenario-card i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
            display: block;
        }

        .scenario-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .scenario-card p {
            font-size: 0.83rem;
            color: var(--text-mint);
            line-height: 1.5;
        }

        /* Stats */
        .stats-band {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            padding: 32px;
            border-radius: var(--radius-lg);
            background: rgba(255, 215, 0, 0.05);
            border: 1px solid var(--border-gold);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .stat-block {
            text-align: center;
            padding: 10px;
        }

        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.88rem;
            color: var(--text-mint);
        }

        /* Tiers */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tier-card {
            padding: 28px;
            border-radius: var(--radius-lg);
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-soft);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .tier-card.highlight {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            box-shadow: var(--shadow-gold);
        }

        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .tier-card .tier-tag {
            display: inline-block;
            align-self: flex-start;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .tier-tag.free {
            background: rgba(255,255,255,0.1);
            color: var(--text-mint);
        }

        .tier-tag.pro {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
        }

        .tier-tag.vip {
            background: var(--accent-gold);
            color: var(--bg-deep);
        }

        .tier-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .tier-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }

        .tier-period {
            font-size: 0.82rem;
            color: var(--text-mint);
            margin-bottom: 16px;
        }

        .tier-features {
            list-style: none;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .tier-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--text-mint);
            font-size: 0.88rem;
            padding: 6px 0;
            line-height: 1.5;
        }

        .tier-features li i {
            color: var(--accent-gold);
            font-size: 0.82rem;
            margin-top: 3px;
        }

        .tier-card .btn-primary,
        .tier-card .btn-secondary {
            justify-content: center;
            width: 100%;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            padding: 6px 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 0;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question i {
            color: var(--accent-gold);
            font-size: 0.85rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            display: none;
            padding: 0 0 16px;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-band {
            padding: 55px 0;
            background: radial-gradient(ellipse at center, rgba(255,215,0,0.08) 0%, transparent 60%), var(--bg-deep);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 30px;
            align-items: center;
        }

        .cta-inner h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .cta-inner p {
            color: var(--text-mint);
            font-size: 1rem;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: 45px 0 25px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-desc {
            color: var(--text-mint);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-top: 12px;
            max-width: 380px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-size: 0.92rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-mint);
            font-size: 0.86rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
        }

        .footer-copy {
            color: var(--text-mint);
            font-size: 0.82rem;
            opacity: 0.75;
        }

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 50px;
            background: rgba(255,215,0,0.06);
            border: 1px solid var(--border-soft);
            color: var(--text-mint);
            font-size: 0.75rem;
        }

        .footer-badge i {
            color: var(--accent-gold);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 95;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #2A2A2A);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            opacity: 0.7;
            animation: fab-float 3s ease-in-out infinite;
            transition: var(--transition);
            cursor: pointer;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(255,215,0,0.5);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #1A1A1A;
            animation: fab-blink 1.2s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-visual-card {
                max-width: 100%;
            }
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-group {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu .nav-cta-group {
                display: flex;
            }
            .hero {
                padding-top: 105px;
                padding-bottom: 45px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .stats-band {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 22px;
            }
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .hero-buttons .btn-primary,
            .hero-buttons .btn-secondary {
                justify-content: center;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .container {
                padding: 0 16px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .fab {
                left: 12px;
                bottom: 70px;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-glass: rgba(13, 17, 30, 0.85);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8A94A6;
            --border-glass: rgba(0, 240, 255, 0.18);
            --border-soft: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.35);
            --shadow-glow-strong: 0 0 35px rgba(0, 240, 255, 0.6);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-vietnam: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

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

        body {
            font-family: var(--font-vietnam);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        ul, ol {
            list-style-position: inside;
        }

        /* ============ CONTAINER ============ */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.05rem;
            line-height: 1.25;
            color: var(--text-primary);
            flex-shrink: 0;
        }

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

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.35), rgba(0, 240, 255, 0.2));
            border: 1px solid var(--border-glass);
            color: var(--accent-cyan);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

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

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-links a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--border-glass);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.12);
            border-color: var(--border-glass);
            font-weight: 700;
        }

        .nav-links a i {
            font-size: 0.85rem;
            opacity: 0.8;
        }

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

        .nav-btn-login {
            padding: 9px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .nav-btn-login:hover {
            color: var(--accent-cyan);
            border-color: var(--border-glass);
            background: rgba(0, 240, 255, 0.06);
        }

        .nav-btn-signup {
            padding: 10px 22px;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-btn-signup:hover {
            box-shadow: 0 6px 24px rgba(0, 240, 255, 0.55);
            transform: translateY(-1px);
        }

        .nav-btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(0, 82, 255, 0.3);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            font-size: 1.2rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        /* Mobile nav drawer */
        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 16px 0;
            border-top: 1px solid var(--border-soft);
        }

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

        .nav-mobile-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

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

        /* ============ FAB ============ */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-image: linear-gradient(rgba(13, 17, 30, 0.92), rgba(13, 17, 30, 0.92)), linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border: 2px solid transparent;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.65;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.75);
            transform: scale(1.1);
            animation-play-state: paused;
        }

        .fab-neon:active {
            transform: scale(0.95);
            box-shadow: 0 0 18px rgba(255, 0, 127, 0.6);
            color: #FF007F;
            transition: all 0.1s ease;
        }

        .fab-neon .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--bg-primary);
            animation: fab-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.55; }
            50% { opacity: 0.75; }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.25; }
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-area {
            padding: 110px 0 16px;
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
            list-style: none;
        }

        .breadcrumb li {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--text-secondary);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ============ ARTICLE HERO ============ */
        .article-hero {
            position: relative;
            padding: 40px 0 48px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-soft);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.65) 0%, rgba(8, 9, 15, 0.9) 60%, var(--bg-primary) 100%);
            pointer-events: none;
        }

        .article-hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            align-items: start;
        }

        .article-hero-content {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-glass);
            width: fit-content;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .article-category-badge i {
            font-size: 0.7rem;
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .article-value-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .article-value-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .article-value-tag i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

        .article-hero-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-fast);
            border: none;
        }

        .btn-glow:hover {
            box-shadow: 0 6px 30px rgba(0, 240, 255, 0.65);
            transform: translateY(-2px);
        }

        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(0, 82, 255, 0.35);
        }

        .btn-outline-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid var(--border-glass);
            transition: all var(--transition-fast);
        }

        .btn-outline-glow:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.25);
        }

        .article-hero-cover {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card), 0 0 30px rgba(0, 82, 255, 0.2);
        }

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

        .article-hero-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(8, 9, 15, 0.7) 100%);
            pointer-events: none;
        }

        /* ============ ARTICLE MAIN LAYOUT ============ */
        .article-main-area {
            padding: 48px 0;
            background: var(--bg-primary);
        }

        .article-main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }

        /* ============ ARTICLE CONTENT ============ */
        .article-content-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
        }

        .article-content {
            color: var(--text-secondary);
            font-size: 1.02rem;
            line-height: 1.75;
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .article-content h2:first-child {
            margin-top: 0;
        }

        .article-content h3 {
            font-size: 1.28rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 1.15rem;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.25rem 1.6rem;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .article-content ul {
            list-style-type: disc;
        }

        .article-content ol {
            list-style-type: decimal;
        }

        .article-content li {
            padding-left: 4px;
            line-height: 1.7;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            width: 100%;
            height: auto;
            border: 1px solid var(--border-soft);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .article-content table th {
            background: rgba(0, 82, 255, 0.25);
            color: var(--text-primary);
            font-weight: 700;
            text-align: left;
            padding: 12px 16px;
            border: 1px solid var(--border-soft);
        }

        .article-content table td {
            padding: 11px 16px;
            border: 1px solid var(--border-soft);
            color: var(--text-secondary);
        }

        .article-content blockquote {
            margin: 1.5rem 0;
            padding: 16px 20px;
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content strong {
            color: var(--text-primary);
            font-weight: 700;
        }

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

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

        .article-content hr {
            border: none;
            border-top: 1px solid var(--border-soft);
            margin: 2rem 0;
        }

        /* ============ ARTICLE NOT FOUND ============ */
        .article-not-found {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 18px;
            padding: 80px 24px;
            text-align: center;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
        }

        .article-not-found i {
            font-size: 3.5rem;
            color: var(--accent-cyan);
            opacity: 0.7;
        }

        .article-not-found h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
        }

        .article-not-found p {
            color: var(--text-muted);
            max-width: 400px;
        }

        /* ============ SIDEBAR ============ */
        .article-sidebar {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            padding: 22px 20px;
        }

        .sidebar-card h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }

        .sidebar-toc-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            list-style: none;
        }

        .sidebar-toc-list li {
            list-style: none;
        }

        .sidebar-toc-list a {
            display: block;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .sidebar-toc-list a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            border-color: var(--border-glass);
        }

        .sidebar-tip {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.08));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 18px;
        }

        .sidebar-tip i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
            margin-top: 3px;
        }

        .sidebar-tip p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .sidebar-tip strong {
            color: var(--text-primary);
            display: block;
            margin-bottom: 4px;
        }

        /* ============ QUICK SUMMARY ============ */
        .quick-summary-section {
            padding: 56px 0;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-soft);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 14px;
        }

        .section-label::after {
            content: '';
            flex: 1;
            width: 48px;
            height: 1px;
            background: var(--border-glass);
        }

        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 28px;
            letter-spacing: -0.01em;
            text-align: left;
        }

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

        .summary-item {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .summary-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .summary-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .summary-item:hover::before {
            opacity: 1;
        }

        .summary-item-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-glass);
            color: var(--accent-cyan);
            font-size: 1.1rem;
            margin-bottom: 16px;
        }

        .summary-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .summary-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ============ RELATED ARTICLES ============ */
        .related-section {
            padding: 56px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-primary);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

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

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

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

        .related-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(8, 9, 15, 0.8) 100%);
        }

        .related-card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .related-card-tag {
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-cyan);
        }

        .related-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            flex: 1;
        }

        .related-card h3 a {
            transition: color var(--transition-fast);
        }

        .related-card h3 a:hover {
            color: var(--accent-cyan);
        }

        .related-card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .related-card-meta i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 56px 0;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-soft);
        }

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

        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: var(--border-glass);
        }

        .faq-item.open {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.15);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            border: none;
            background: none;
        }

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

        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            transition: transform var(--transition-smooth);
        }

        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 64px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
        }

        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.18), rgba(0, 240, 255, 0.08));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15), transparent 70%);
            pointer-events: none;
        }

        .cta-panel-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .cta-panel-content h2 {
            font-size: clamp(1.4rem, 2vw, 1.8rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
            text-align: left;
        }

        .cta-panel-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            text-align: left;
        }

        .cta-panel-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .nav-logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

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

        .footer-col ul li {
            list-style: none;
        }

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
        }

        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
        }

        .footer-badge i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .container {
                padding: 0 18px;
            }
            .article-main-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                position: static;
                flex-direction: column;
                order: 2;
            }
            .article-hero-inner {
                grid-template-columns: 1fr 260px;
                gap: 24px;
            }
            .summary-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .nav-inner {
                min-height: 60px;
                gap: 12px;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .nav-btn-login {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .nav-btn-signup {
                padding: 8px 16px;
                font-size: 0.78rem;
            }
            .nav-mobile-menu {
                display: none;
            }
            .nav-mobile-menu.open {
                display: flex;
            }
            .article-hero {
                padding: 32px 0 36px;
            }
            .breadcrumb-area {
                padding: 86px 0 12px;
            }
            .article-hero-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .article-hero-cover {
                order: -1;
                max-width: 100%;
            }
            .article-content-card {
                padding: 28px 20px;
            }
            .summary-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cta-panel {
                padding: 32px 24px;
                flex-direction: column;
                text-align: left;
            }
            .cta-panel-actions {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .btn-glow, .btn-outline-glow {
                justify-content: center;
                width: 100%;
            }
            .fab-neon {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .nav-logo {
                font-size: 0.85rem;
                gap: 8px;
            }
            .nav-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .nav-logo small {
                font-size: 0.55rem !important;
            }
            .nav-btn-login {
                padding: 6px 10px;
                font-size: 0.72rem;
            }
            .nav-btn-signup {
                padding: 7px 13px;
                font-size: 0.72rem;
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 10px;
                font-size: 0.75rem;
            }
            .article-meta span {
                gap: 4px;
            }
            .article-content-card {
                padding: 20px 14px;
            }
            .article-content {
                font-size: 0.92rem;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .footer-badges {
                justify-content: center;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
            .btn-glow, .btn-outline-glow {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-panel {
                padding: 24px 18px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #D4A643;
            --accent-red: #E5484D;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #7B8494;
            --border-glow: rgba(0, 240, 255, 0.35);
            --border-light: rgba(0, 240, 255, 0.15);
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image: radial-gradient(ellipse at 15% 20%, rgba(0, 82, 255, 0.12) 0%, transparent 55%),
                              radial-gradient(ellipse at 85% 75%, rgba(0, 240, 255, 0.07) 0%, transparent 50%),
                              radial-gradient(ellipse at 50% 100%, rgba(0, 82, 255, 0.05) 0%, transparent 45%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #7FE7F2;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            color: inherit;
            transition: all var(--transition-fast);
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            transition: background var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.96);
            border-bottom-color: rgba(0, 240, 255, 0.28);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 68px;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.25;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: #fff;
        }
        .nav-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-size: 1.15rem;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.1);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.12);
        }
        .nav-links a i {
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-btn-login {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-btn-login:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-btn-signup {
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.35), 0 0 20px rgba(0, 240, 255, 0.2);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.5), 0 0 32px rgba(0, 240, 255, 0.35);
            background: linear-gradient(135deg, #1a63ff, #33f5ff);
        }
        .nav-btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(0, 82, 255, 0.3);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
        }

        /* ========== HERO ========== */
        .hero-category {
            padding: 120px 0 70px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(160deg, rgba(0, 82, 255, 0.08) 0%, transparent 40%, rgba(0, 240, 255, 0.05) 100%);
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -180px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-cat-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-cat-content {
            text-align: left;
        }
        .hero-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero-cat-badge i {
            font-size: 0.75rem;
        }
        .hero-cat-content h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 18px;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .hero-cat-content h1 .gradient-text {
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 60%, #7B9EFF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-cat-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-cat-features {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 30px;
        }
        .hero-cat-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .hero-cat-feature-item i {
            color: var(--accent-cyan);
            font-size: 1.05rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .hero-cat-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 6px 24px rgba(0, 82, 255, 0.4), 0 0 36px rgba(0, 240, 255, 0.22);
            transition: all var(--transition-base);
            border: none;
        }
        .btn-primary-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(0, 82, 255, 0.55), 0 0 48px rgba(0, 240, 255, 0.35);
            background: linear-gradient(135deg, #1a63ff, #33f5ff);
            color: #fff;
        }
        .btn-primary-glow:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 82, 255, 0.35);
        }
        .btn-secondary-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 26px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.16);
            transition: all var(--transition-base);
        }
        .btn-secondary-outline:hover {
            color: #fff;
            border-color: rgba(0, 240, 255, 0.45);
            background: rgba(0, 240, 255, 0.06);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
        }
        .btn-secondary-outline:active {
            transform: translateY(0);
        }

        .hero-cat-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-cat-visual-frame {
            position: relative;
            width: 100%;
            max-width: 440px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card), 0 0 40px rgba(0, 240, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .hero-cat-visual-frame img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            display: block;
        }
        .hero-cat-visual-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            background: rgba(8, 9, 15, 0.78);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .hero-cat-visual-overlay-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .hero-cat-visual-overlay-text {
            font-size: 0.82rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.35;
        }
        .hero-cat-visual-overlay-text small {
            font-weight: 400;
            color: var(--text-muted);
            display: block;
            font-size: 0.75rem;
        }

        /* ========== SECTION GENERIC ========== */
        .section {
            padding: 70px 0;
            position: relative;
        }
        .section-alt {
            background: rgba(255, 255, 255, 0.02);
        }
        .section-head {
            text-align: left;
            margin-bottom: 40px;
            max-width: 720px;
        }
        .section-head .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }
        .section-head .section-kicker::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--accent-cyan);
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-head p {
            font-size: 1.02rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== CARDS / GLASS ========== */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-base);
        }
        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 240, 255, 0.1);
            transform: translateY(-2px);
        }
        .glass-card-strong {
            background: rgba(13, 17, 30, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 240, 255, 0.06);
        }

        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .stat-item {
            padding: 24px;
            text-align: left;
            background: var(--bg-glass);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.08);
        }
        .stat-number {
            font-size: 2.1rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
            background: linear-gradient(135deg, #fff, #B0E0E6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .checklist {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: var(--bg-glass);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-base);
        }
        .checklist-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
            background: rgba(0, 240, 255, 0.04);
        }
        .checklist-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 0.85rem;
            flex-shrink: 0;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }
        .checklist-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }
        .checklist-text strong {
            color: #fff;
            font-weight: 600;
        }

        .grid-2col {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 24px;
        }
        .grid-3col {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .info-card {
            padding: 28px;
            background: var(--bg-glass);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .info-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4), 0 0 22px rgba(0, 240, 255, 0.1);
            transform: translateY(-2px);
        }
        .info-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.22), rgba(0, 240, 255, 0.16));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-cyan);
            margin-bottom: 6px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .info-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
        }
        .info-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.22);
            white-space: nowrap;
        }

        .divider-cyber {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), transparent);
            margin: 0 auto;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-glass);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.07);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.22);
        }
        .faq-item.active {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 22px;
            font-size: 0.97rem;
            font-weight: 600;
            color: #fff;
            width: 100%;
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: all var(--transition-base);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(0, 240, 255, 0.2);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(150deg, rgba(0, 82, 255, 0.12) 0%, rgba(0, 240, 255, 0.05) 50%, transparent 100%);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }
        .cta-box {
            background: rgba(13, 17, 30, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(0, 240, 255, 0.25);
            padding: 50px 40px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 48px rgba(0, 240, 255, 0.1);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -120px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(0, 240, 255, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        /* ========== PAYMENT BADGES ========== */
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 24px;
        }
        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .payment-badge i {
            font-size: 0.85rem;
            color: var(--accent-cyan);
        }
        .payment-badge:hover {
            border-color: rgba(0, 240, 255, 0.3);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            padding: 60px 0 30px;
            background: rgba(5, 6, 10, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo {
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 380px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-copy {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.18);
            color: var(--text-muted);
        }
        .footer-badge i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }

        /* ========== FAB ========== */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 999px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #00F0FF;
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0.65;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.35), 0 0 30px rgba(0, 240, 255, 0.15);
            transition: all var(--transition-base);
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.6), 0 0 48px rgba(0, 240, 255, 0.3);
            transform: scale(1.08);
            animation-play-state: paused;
        }
        .fab-neon:active {
            transform: scale(0.94);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
        }
        .fab-neon .fab-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #FF3B5C;
            box-shadow: 0 0 8px #FF3B5C;
            animation: dot-blink 1.8s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.55; }
            50% { opacity: 0.85; }
        }
        @keyframes dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.25; }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-cat-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-cat-content {
                max-width: 680px;
            }
            .hero-cat-visual-frame {
                max-width: 520px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 0;
            }
            .nav-logo {
                font-size: 0.95rem;
            }
            .nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 4px;
            }
            .nav-links a {
                padding: 7px 12px;
                font-size: 0.82rem;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .nav-btn-login, .nav-btn-signup {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
            .hero-category {
                padding: 110px 0 50px;
            }
            .hero-cat-content h1 {
                font-size: 1.9rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .grid-2col, .grid-3col {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
                gap: 14px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab-neon {
                left: 12px;
                bottom: 84px;
                width: 46px;
                height: 46px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-logo {
                font-size: 0.82rem;
            }
            .nav-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .nav-btn-login, .nav-btn-signup {
                padding: 6px 10px;
                font-size: 0.7rem;
            }
            .nav-cta-group {
                gap: 4px;
            }
            .hero-category {
                padding: 100px 0 40px;
            }
            .hero-cat-content h1 {
                font-size: 1.55rem;
            }
            .hero-cat-desc {
                font-size: 0.92rem;
            }
            .hero-cat-feature-item {
                font-size: 0.85rem;
            }
            .btn-primary-glow, .btn-secondary-outline {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
            .section-head h2 {
                font-size: 1.35rem;
            }
            .info-card {
                padding: 20px;
            }
            .checklist-item {
                padding: 14px 16px;
            }
            .cta-box {
                padding: 28px 18px;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
/* ========== DESIGN TOKENS ========== */
        :root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-tertiary: #111827;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-cyan-muted: rgba(0, 240, 255, 0.6);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #64748B;
            --border-subtle: rgba(0, 240, 255, 0.12);
            --border-glow: rgba(0, 240, 255, 0.3);
            --glass-bg: rgba(13, 17, 30, 0.72);
            --glass-bg-light: rgba(17, 24, 39, 0.55);
            --glow-blue: rgba(0, 82, 255, 0.45);
            --glow-cyan: rgba(0, 240, 255, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 82, 255, 0.45);
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
            --container-max: 1200px;
            --container-pad: 24px;
        }

        /* ========== BASE RESET ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
            transition: all var(--transition-base);
        }

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

        ul, ol {
            list-style: none;
        }

        /* ========== CONTAINER ========== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

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

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.5);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            min-height: 68px;
            flex-wrap: wrap;
        }

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

        .nav-logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

        .nav-logo span.nav-logo-text {
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.2px;
            line-height: 1.2;
            color: var(--text-primary);
        }

        .nav-logo small {
            display: block;
            font-size: 0.62rem;
            font-weight: 500;
            opacity: 0.6;
            letter-spacing: 0.3px;
        }

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

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            font-weight: 600;
        }

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

        .nav-btn-login {
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all var(--transition-base);
        }

        .nav-btn-login:hover {
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-btn-signup {
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base);
        }

        .nav-btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.6);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            border-color: var(--border-glow);
            background: rgba(0, 240, 255, 0.08);
        }

        /* Mobile nav */
        .nav-links-mobile-wrapper {
            display: none;
            width: 100%;
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .nav-links-mobile-wrapper.open {
            max-height: 400px;
        }

        .nav-links-mobile {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 12px 0 16px;
            border-top: 1px solid var(--border-subtle);
        }

        .nav-links-mobile li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 16px;
            border-radius: var(--radius-md);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

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

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 140px 0 80px;
            min-height: 88vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-primary);
        }

        .hero-bg-image {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.5;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            background: linear-gradient(135deg, 
                rgba(8, 9, 15, 0.92) 0%, 
                rgba(13, 17, 30, 0.75) 45%, 
                rgba(8, 9, 15, 0.88) 100%);
        }

        .hero-grid-lines {
            position: absolute;
            inset: 0;
            z-index: 3;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 5;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .hero-content {
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

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

        .hero-content h1 {
            font-size: clamp(2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 40%, var(--accent-cyan) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 26px;
            max-width: 540px;
        }

        .hero-group-indicator {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            background: var(--glass-bg);
            border: 1px solid var(--border-subtle);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            margin-bottom: 26px;
            max-width: 400px;
        }

        .hero-group-avatars {
            display: flex;
            align-items: center;
            gap: -6px;
        }

        .hero-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a2a3a, #0D111E);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-right: -8px;
        }

        .hero-group-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .hero-group-text strong {
            color: var(--accent-cyan);
            font-weight: 700;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-glow {
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), #0078D4);
            box-shadow: 0 0 28px rgba(0, 82, 255, 0.5), 0 4px 18px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.2px;
        }

        .btn-primary-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.65), 0 8px 24px rgba(0, 0, 0, 0.4);
        }

        .btn-primary-glow:active {
            transform: translateY(0);
            box-shadow: 0 0 20px rgba(0, 82, 255, 0.4);
        }

        .btn-outline-glow {
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-cyan);
            background: var(--glass-bg);
            border: 1.5px solid rgba(0, 240, 255, 0.4);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.2px;
        }

        .btn-outline-glow:hover {
            background: rgba(0, 240, 255, 0.12);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.3);
            transform: translateY(-2px);
        }

        .hero-trust-strip {
            display: flex;
            gap: 28px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .trust-item i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        .hero-visual-panel {
            position: relative;
            z-index: 5;
            border-radius: var(--radius-xl);
            background: var(--glass-bg);
            border: 1px solid var(--border-subtle);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 28px 30px;
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            max-width: 480px;
            margin-left: auto;
        }

        .hero-panel-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-panel-title i {
            color: var(--accent-cyan);
        }

        .hero-panel-steps {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-panel-step {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 12px 14px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-fast);
        }

        .hero-panel-step:hover {
            border-color: var(--border-glow);
            background: rgba(0, 240, 255, 0.04);
        }

        .hero-step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            flex-shrink: 0;
        }

        .hero-step-content h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 3px;
        }

        .hero-step-content p {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: 70px 0;
            position: relative;
        }

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

        .section-heading {
            max-width: 640px;
            margin-bottom: 42px;
        }

        .section-heading h2 {
            font-size: clamp(1.65rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .section-heading p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .section-eyebrow {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        /* ========== VALUE PROPOSITION ========== */
        .value-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .value-content {
            max-width: 560px;
        }

        .value-content h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
        }

        .value-content p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            font-size: 0.98rem;
        }

        .value-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .value-stat {
            padding: 18px 16px;
            border-radius: var(--radius-md);
            background: var(--glass-bg);
            border: 1px solid var(--border-subtle);
            text-align: center;
            transition: all var(--transition-base);
        }

        .value-stat:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.12);
        }

        .value-stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.2;
        }

        .value-stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .value-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .value-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .value-image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            background: rgba(8, 9, 15, 0.85);
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        /* ========== FEATURE GROUPS ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .feature-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--glass-bg);
            border: 1px solid var(--border-subtle);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glow);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(0, 240, 255, 0.15);
        }

        .feature-card-img {
            height: 170px;
            overflow: hidden;
            position: relative;
        }

        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .feature-card-body {
            padding: 20px 22px;
        }

        .feature-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .feature-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .feature-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== USE CASES / TIMELINE ========== */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 720px;
            margin: 0 auto;
        }

        .timeline-item {
            display: flex;
            gap: 22px;
            position: relative;
            padding-bottom: 32px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.4);
            position: relative;
            z-index: 2;
        }

        .timeline-item:not(:last-child)::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 50px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 240, 255, 0.4), rgba(0, 240, 255, 0.08));
        }

        .timeline-content {
            flex: 1;
            padding-top: 6px;
        }

        .timeline-content h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== SUCCESS CASES ========== */
        .success-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .success-card {
            padding: 24px 26px;
            border-radius: var(--radius-lg);
            background: var(--glass-bg);
            border: 1px solid var(--border-subtle);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-base);
        }

        .success-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
        }

        .success-card-quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .success-card-footer {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .success-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a2a3a, #0D111E);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .success-info h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .success-info span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== PRICING / MEMBERSHIP ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: stretch;
        }

        .pricing-card {
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            background: var(--glass-bg);
            border: 1px solid var(--border-subtle);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glow);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
        }

        .pricing-card.featured {
            border: 2px solid rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.2);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            font-size: 0.72rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
        }

        .pricing-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .pricing-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .pricing-price span {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .pricing-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .pricing-features {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 22px;
        }

        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .pricing-features li i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .pricing-btn {
            padding: 12px 20px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 700;
            text-align: center;
            color: var(--accent-cyan);
            background: transparent;
            border: 1.5px solid rgba(0, 240, 255, 0.3);
            transition: all var(--transition-base);
        }

        .pricing-btn:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.25);
        }

        .pricing-card.featured .pricing-btn {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            border: none;
            box-shadow: var(--shadow-glow);
        }

        .pricing-card.featured .pricing-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.55);
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            background: var(--glass-bg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-glow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            gap: 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: var(--bg-secondary);
            overflow: hidden;
        }

        .cta-glow {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 26px;
            font-size: 0.98rem;
        }

        .cta-btn {
            padding: 16px 34px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 48px rgba(0, 82, 255, 0.65), 0 8px 28px rgba(0, 0, 0, 0.4);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #06070A;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.8fr 0.9fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .nav-logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.72rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .footer-badge i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }

        /* ========== FAB ========== */
        .fab-wrapper {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
        }

        .fab-neon {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px 14px 16px;
            border-radius: var(--radius-full);
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), 
                              linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition-base);
            min-width: 48px;
            min-height: 48px;
        }

        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.5), 0 0 60px rgba(0, 82, 255, 0.25);
            transform: scale(1.05);
        }

        .fab-neon:active {
            transform: scale(0.96);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
        }

        .fab-neon-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: all 0.4s ease;
        }

        .fab-neon:hover .fab-neon-icon {
            animation: fab-flicker 0.5s ease;
        }

        .fab-neon-text {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .fab-neon-badge {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ff0066;
            box-shadow: 0 0 8px rgba(255, 0, 102, 0.7);
            animation: fab-breathe 1.5s ease-in-out infinite;
            border: 1.5px solid #06070A;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.15); }
        }

        @keyframes fab-flicker {
            0% { opacity: 1; }
            25% { opacity: 0.4; }
            50% { opacity: 1; }
            75% { opacity: 0.6; }
            100% { opacity: 1; }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 36px;
                padding-top: 20px;
            }

            .hero-visual-panel {
                max-width: 100%;
                margin-left: 0;
            }

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

            .value-image {
                max-height: 280px;
            }

            .value-image img {
                height: 280px;
            }

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

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

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links-mobile-wrapper {
                display: block;
            }

            .nav-cta-group {
                display: flex;
            }

            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }

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

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

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

            .value-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .section {
                padding: 48px 0;
            }

            .timeline-item {
                gap: 14px;
            }

            .timeline-dot {
                width: 38px;
                height: 38px;
                font-size: 0.85rem;
            }

            .timeline-item:not(:last-child)::before {
                left: 18px;
                top: 42px;
            }

            .fab-wrapper {
                bottom: 80px;
                left: 12px;
            }

            .fab-neon {
                padding: 12px 16px 12px 12px;
            }

            .fab-neon-text {
                display: none;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 16px;
                --radius-lg: 16px;
                --radius-xl: 20px;
            }

            .nav-inner {
                gap: 10px;
                padding: 10px 0;
                min-height: 60px;
            }

            .nav-logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }

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

            .nav-btn-login,
            .nav-btn-signup {
                padding: 7px 14px;
                font-size: 0.75rem;
            }

            .hero-section {
                padding: 100px 0 46px;
            }

            .hero-content h1 {
                font-size: 1.75rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

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

            .btn-primary-glow,
            .btn-outline-glow {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.88rem;
            }

            .hero-trust-strip {
                gap: 14px;
                flex-wrap: wrap;
            }

            .value-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .value-stat {
                padding: 12px 10px;
            }

            .value-stat-num {
                font-size: 1.25rem;
            }

            .section-heading h2 {
                font-size: 1.45rem;
            }

            .pricing-card {
                padding: 20px 18px;
            }

            .pricing-price {
                font-size: 1.6rem;
            }

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

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

            .footer-badges {
                justify-content: center;
            }

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