/* roulang page: index */
:root {
            --bg-space: #08090F;
            --bg-navy: #0D111E;
            --bg-navy-light: #131A2A;
            --bg-glass: rgba(13, 17, 30, 0.72);
            --bg-glass-light: rgba(19, 26, 42, 0.65);
            --accent-blue: #0052FF;
            --accent-blue-deep: #0038B8;
            --accent-cyan: #00F0FF;
            --accent-hot-pink: #FF007F;
            --accent-lime: #CCFF00;
            --accent-gold: #FFD700;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #64748B;
            --text-dim: #94A3B8;
            --border-glow-cyan: rgba(0, 240, 255, 0.35);
            --border-glow-blue: rgba(0, 82, 255, 0.4);
            --border-subtle: rgba(148, 163, 184, 0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-pill: 999px;
            --shadow-glow-sm: 0 0 12px rgba(0, 240, 255, 0.35);
            --shadow-glow-md: 0 0 20px rgba(0, 240, 255, 0.5);
            --shadow-glow-lg: 0 0 32px rgba(0, 240, 255, 0.65);
            --shadow-blue-glow: 0 0 25px rgba(0, 82, 255, 0.45);
            --shadow-soft: 0 8px 28px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 22px rgba(0, 240, 255, 0.18);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Be Vietnam Pro', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: linear-gradient(180deg, var(--bg-space) 0%, var(--bg-navy) 42%, var(--bg-space) 100%);
            color: var(--text-silver);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(0, 82, 255, 0.035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 82, 255, 0.035) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            top: -20%;
            right: -10%;
            width: 60vw;
            height: 60vw;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
            filter: blur(80px);
        }

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

        a:hover {
            color: var(--text-white);
        }

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        main {
            position: relative;
            z-index: 1;
        }

        section {
            padding: 88px 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 44px;
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.22);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-dim);
            max-width: 720px;
            margin-bottom: 0;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.18);
            padding: 0;
            z-index: 1030;
        }

        .site-header .navbar {
            min-height: 72px;
            display: flex;
            align-items: center;
        }

        .navbar-brand.logo-text {
            color: var(--text-white);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 28px;
        }

        .logo-text .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: var(--shadow-glow-sm);
            flex-shrink: 0;
        }

        .logo-text .logo-badge-2026 {
            font-size: 11px;
            font-weight: 700;
            background: var(--accent-cyan);
            color: #08090F;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.4px;
            margin-left: 2px;
            flex-shrink: 0;
        }

        .navbar-toggler {
            border: 1px solid rgba(0, 240, 255, 0.3);
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.25);
        }

        .navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 240, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
            flex: 1;
        }

        .nav-links-wrapper .navbar-nav {
            gap: 6px;
        }

        .site-header .nav-link {
            color: var(--text-silver);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
            white-space: nowrap;
        }

        .site-header .nav-link:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        .site-header .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            position: relative;
        }

        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: var(--shadow-glow-sm);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 16px;
            flex-shrink: 0;
        }

        .btn-login-text {
            color: var(--text-silver);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 12px;
            border: none;
            background: transparent;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }

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

        .btn-signup-solid {
            color: var(--text-white);
            font-size: 15px;
            font-weight: 700;
            padding: 10px 22px;
            border: none;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: var(--shadow-glow-sm);
            transition: var(--transition-smooth);
        }

        .btn-signup-solid:hover {
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-md);
        }

        @media (max-width: 991.98px) {
            .navbar-brand.logo-text {
                font-size: 17px;
                margin-right: 12px;
            }
            .logo-text .logo-badge-2026 {
                font-size: 10px;
                padding: 2px 6px;
            }
            .nav-links-wrapper {
                order: 3;
                flex-basis: 100%;
                width: 100%;
                padding: 10px 0 14px;
            }
            .navbar-collapse {
                background: rgba(8, 9, 15, 0.95);
                border-radius: var(--radius-md);
                margin-top: 8px;
                padding: 8px 12px;
                border: 1px solid rgba(0, 240, 255, 0.15);
            }
            .site-header .nav-link {
                font-size: 15px;
                padding: 12px 14px !important;
            }
            .auth-buttons {
                margin-left: auto;
                gap: 6px;
            }
            .btn-login-text {
                font-size: 13px;
                padding: 8px 8px;
            }
            .btn-signup-solid {
                font-size: 13px;
                padding: 8px 14px;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand.logo-text {
                font-size: 15px;
            }
            .logo-text .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .logo-text .logo-badge-2026 {
                display: none;
            }
            .btn-login-text {
                font-size: 12px;
                padding: 7px 6px;
            }
            .btn-signup-solid {
                font-size: 12px;
                padding: 7px 12px;
            }
            .site-header .navbar {
                min-height: 64px;
            }
        }

        /* ============ GLASS CARD ============ */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-soft);
            transition: var(--transition-smooth);
        }

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

        /* ============ BUTTONS ============ */
        .btn-glow-primary {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            font-weight: 700;
            border: 1px solid rgba(0, 240, 255, 0.45);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-glow-sm);
            transition: var(--transition-smooth);
            padding: 12px 24px;
        }

        .btn-glow-primary:hover {
            color: var(--text-white);
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
            border-color: var(--accent-cyan);
        }

        .btn-glow-outline {
            background: rgba(0, 240, 255, 0.06);
            color: var(--accent-cyan);
            font-weight: 700;
            border: 1px solid rgba(0, 240, 255, 0.35);
            border-radius: var(--radius-sm);
            box-shadow: none;
            transition: var(--transition-smooth);
            padding: 12px 24px;
        }

        .btn-glow-outline:hover {
            color: var(--text-white);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-sm);
            transform: translateY(-2px);
            background: rgba(0, 240, 255, 0.1);
        }

        .btn-follow-circle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-silver);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 18px;
            border-radius: var(--radius-pill);
            border: 1px dashed var(--border-subtle);
            background: transparent;
            transition: var(--transition-fast);
        }

        .btn-follow-circle:hover {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        /* ============ HERO - CREATOR HEADER ============ */
        .hero-creator {
            padding-top: 130px;
            padding-bottom: 68px;
            background: transparent;
        }

        .hero-banner {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-size: cover;
            background-position: center 28%;
            z-index: 0;
            opacity: 0.55;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.3) 0%, rgba(8, 9, 15, 0.55) 45%, rgba(8, 9, 15, 0.92) 100%);
            z-index: 1;
        }

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

        .hero-profile-card {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            padding: 36px 32px;
            border-radius: var(--radius-lg);
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55), var(--shadow-glow-sm);
        }

        .hero-avatar-col {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .hero-avatar-ring {
            position: relative;
            border-radius: 50%;
            padding: 3px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue), var(--accent-hot-pink));
            box-shadow: var(--shadow-glow-md);
        }

        .hero-avatar-img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid rgba(8, 9, 15, 0.9);
        }

        .hero-verified {
            position: absolute;
            bottom: 6px;
            right: 2px;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--accent-cyan);
            color: #08090F;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            border: 3px solid #08090F;
            box-shadow: var(--shadow-glow-sm);
        }

        .hero-creator-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        .hero-main-col {
            flex: 1;
            min-width: 0;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .hero-kicker i {
            animation: kicker-pulse 2s ease-in-out infinite;
        }

        @keyframes kicker-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .hero-main-col h1 {
            font-size: clamp(26px, 3.8vw, 40px);
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-silver);
            line-height: 1.65;
            max-width: 680px;
            margin-bottom: 24px;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            margin-bottom: 28px;
        }

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            transition: var(--transition-fast);
        }

        .stat-badge:hover {
            border-color: var(--border-glow-cyan);
            box-shadow: var(--shadow-glow-sm);
        }

        .stat-badge .stat-icon {
            font-size: 20px;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .stat-badge strong {
            display: block;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }

        .stat-badge span {
            font-size: 13px;
            color: var(--text-dim);
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }

        @media (max-width: 768px) {
            .hero-profile-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 18px;
                gap: 20px;
            }
            .hero-avatar-col {
                align-items: flex-start;
            }
            .hero-avatar-img {
                width: 90px;
                height: 90px;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .stat-badge {
                padding: 8px 12px;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-row .btn {
                text-align: center;
            }
            .btn-follow-circle {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-creator {
                padding-top: 110px;
                padding-bottom: 48px;
            }
            .hero-main-col h1 {
                font-size: 24px;
            }
            .stat-badge strong {
                font-size: 15px;
            }
        }

        /* ============ STEP CARDS ============ */
        .step-card {
            padding: 28px 22px;
            min-height: 100%;
            position: relative;
            overflow: hidden;
        }

        .step-card .step-number {
            position: absolute;
            top: 12px;
            right: 16px;
            font-size: 44px;
            font-weight: 900;
            color: rgba(0, 240, 255, 0.07);
            line-height: 1;
            pointer-events: none;
        }

        .step-card .step-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: var(--shadow-glow-sm);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .step-card p {
            font-size: 15px;
            color: var(--text-dim);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ============ REWARD CARDS ============ */
        .reward-card {
            padding: 22px;
            min-height: 100%;
            display: flex;
            flex-direction: column;
        }

        .reward-card .reward-thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .reward-card .reward-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: #08090F;
            background: var(--accent-cyan);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
            margin-bottom: 12px;
            align-self: flex-start;
            box-shadow: var(--shadow-glow-sm);
        }

        .reward-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .reward-card p {
            font-size: 15px;
            color: var(--text-dim);
            margin-bottom: 0;
        }

        /* ============ TRUST PROGRESS BLOCK ============ */
        .trust-progress-block {
            padding: 26px 22px;
            margin-bottom: 20px;
        }

        .trust-progress-block h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.45;
        }

        .trust-progress-block .progress {
            height: 10px;
            border-radius: var(--radius-pill);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.15);
            overflow: hidden;
            margin-bottom: 10px;
        }

        .trust-progress-block .progress-bar {
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-glow-sm);
            transition: width 1.2s ease;
        }

        .progress-label {
            font-size: 14px;
            color: var(--text-dim);
            font-weight: 500;
        }

        /* ============ COLLECTION CARDS ============ */
        .collection-card {
            padding: 22px;
            min-height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .collection-card .collection-thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 14px;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .collection-card .collection-count {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .collection-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .collection-card p {
            font-size: 14px;
            color: var(--text-dim);
            margin-bottom: 16px;
            flex: 1;
        }

        .collection-card .btn-enter-collection {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            text-align: center;
            transition: var(--transition-fast);
            align-self: flex-start;
        }

        .collection-card .btn-enter-collection:hover {
            background: rgba(0, 240, 255, 0.12);
            box-shadow: var(--shadow-glow-sm);
            color: var(--text-white);
        }

        /* ============ HOT ROOMS LAYOUT ============ */
        .hot-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 20px;
        }

        .hot-main-card {
            padding: 26px;
            border-radius: var(--radius-lg) !important;
            display: flex;
            flex-direction: column;
        }

        .hot-main-card .hot-thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 8;
            object-fit: cover;
        }

        .hot-main-card h3 {
            font-size: 21px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .hot-main-card p {
            font-size: 15px;
            color: var(--text-dim);
            margin-bottom: 16px;
        }

        .hot-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: #08090F;
            background: var(--accent-gold);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            align-self: flex-start;
            margin-bottom: 10px;
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
        }

        .hot-side-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hot-mini-card {
            padding: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
        }

        .hot-mini-card .hot-mini-thumb {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .hot-mini-card .hot-mini-info h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .hot-mini-card .hot-mini-info p {
            font-size: 13px;
            color: var(--text-dim);
            margin-bottom: 0;
        }

        .hot-mini-card .hot-mini-info .mini-live {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-cyan);
        }

        @media (max-width: 768px) {
            .hot-layout {
                grid-template-columns: 1fr;
            }
            .hot-main-card .hot-thumb {
                aspect-ratio: 16 / 9;
            }
            .hot-side-cards {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hot-mini-card {
                flex: 1 1 200px;
            }
        }

        /* ============ NEWS SECTION ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(13, 17, 30, 0.55);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            transition: var(--transition-fast);
        }

        .news-item:hover {
            border-color: var(--border-glow-cyan);
            box-shadow: var(--shadow-glow-sm);
            transform: translateX(4px);
        }

        .news-item-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item-content p {
            font-size: 14px;
            color: var(--text-dim);
            margin-bottom: 8px;
            line-height: 1.55;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
        }

        .news-meta .news-cat {
            color: var(--accent-cyan);
            font-weight: 600;
            background: rgba(0, 240, 255, 0.08);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .news-meta .news-date {
            color: var(--text-dim);
        }

        .news-item .news-arrow {
            font-size: 18px;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: var(--transition-fast);
        }

        .news-item:hover .news-arrow {
            transform: translateX(4px);
        }

        .cms-empty {
            text-align: center;
            padding: 28px;
            color: var(--text-dim);
            font-size: 16px;
            background: rgba(13, 17, 30, 0.55);
            border: 1px dashed var(--border-subtle);
            border-radius: var(--radius-sm);
        }

        .news-recommend {
            background: rgba(13, 17, 30, 0.65);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            position: sticky;
            top: 92px;
        }

        .news-recommend h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-recommend h3 i {
            color: var(--accent-gold);
        }

        .news-recommend-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .news-recommend-item .rec-thumb {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-recommend-item .rec-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.35;
        }

        .news-recommend-item .rec-info span {
            font-size: 12px;
            color: var(--text-dim);
        }

        @media (max-width: 992px) {
            .news-recommend {
                position: static;
                margin-top: 20px;
            }
        }

        /* ============ TIPS / FAQ ============ */
        .fast-answer-block {
            padding: 26px 22px;
        }

        .fast-answer-block h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }

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

        .faq-item .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 0;
            cursor: pointer;
            transition: var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

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

        .faq-item .faq-question i {
            font-size: 14px;
            color: var(--accent-cyan);
            transition: var(--transition-fast);
        }

        .faq-item .faq-answer {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.6;
            padding: 0 0 10px;
        }

        .tips-step-row {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .tips-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: rgba(13, 17, 30, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 18px;
            transition: var(--transition-fast);
        }

        .tips-step:hover {
            border-color: var(--border-glow-cyan);
        }

        .tips-step .tips-step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-sm);
        }

        .tips-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .tips-step p {
            font-size: 14px;
            color: var(--text-dim);
            margin-bottom: 0;
            line-height: 1.55;
        }

        /* ============ CTA SECTION ============ */
        .section-cta {
            padding: 80px 0;
            background: transparent;
        }

        .cta-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
            opacity: 0.35;
        }

        .cta-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.85) 0%, rgba(13, 17, 30, 0.9) 100%);
            z-index: 1;
        }

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

        .cta-content {
            max-width: 680px;
            margin: 0 auto;
            padding: 44px 28px;
            text-align: center;
            border-radius: var(--radius-lg);
            background: rgba(13, 17, 30, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(0, 240, 255, 0.22);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), var(--shadow-glow-sm);
        }

        .cta-content h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--text-silver);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 26px;
        }

        .cta-payment {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: var(--text-dim);
        }

        .payment-badge {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
        }

        @media (max-width: 520px) {
            .cta-content {
                padding: 28px 18px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-buttons .btn {
                text-align: center;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: rgba(8, 9, 15, 0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.18);
            padding: 56px 0 24px;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 36px;
            margin-bottom: 40px;
        }

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

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-col ul li a {
            color: var(--text-dim);
            font-size: 14px;
            transition: var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-white);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-logo i {
            color: var(--accent-cyan);
            font-size: 18px;
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #1a1a1a;
            border: 2px solid var(--accent-hot-pink);
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.35);
        }

        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ============ FAB - Cyber & Neon Style ============ */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-smooth);
            animation: fab-float 3.5s ease-in-out infinite;
            position: fixed;
            text-decoration: none;
            color: var(--accent-cyan);
        }

        .fab-neon::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue), var(--accent-hot-pink));
            z-index: -1;
            opacity: 0.8;
        }

        .fab-neon:hover {
            color: var(--text-white);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.75);
            transform: scale(1.1);
        }

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

        .fab-neon .fab-icon {
            font-size: 22px;
            filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.8));
        }

        .fab-neon .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-hot-pink);
            border: 2px solid #08090F;
            animation: blink-notify 1.6s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        @keyframes blink-notify {
            0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(255, 0, 127, 0.8); }
            50% { opacity: 0.4; box-shadow: 0 0 2px rgba(255, 0, 127, 0.3); }
        }

        @media (max-width: 520px) {
            .fab-neon {
                width: 48px;
                height: 48px;
                left: 0.8rem;
                bottom: 5.5rem;
            }
            .fab-neon .fab-icon {
                font-size: 18px;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF2D87;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #8B94A7;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-glass-hover: rgba(0, 240, 255, 0.45);
            --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.45);
            --glow-blue: 0 0 28px rgba(0, 82, 255, 0.5);
            --glow-pink: 0 0 22px rgba(255, 45, 135, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --font-main: 'Be Vietnam Pro', -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            line-height: 1.6;
            color: var(--text-silver);
            background-color: var(--bg-deep);
            overflow-x: hidden;
            -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: var(--accent-pink);
        }

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

        button,
        .btn {
            cursor: pointer;
            font-family: var(--font-main);
        }

        .btn:focus,
        .form-control:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.25);
        }

        /* Header / Nav */
        .site-header {
            background: rgba(8, 9, 15, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            padding: 10px 0;
            z-index: 1050;
            transition: all var(--transition-med);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
        }

        .site-header .navbar {
            flex-wrap: nowrap;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-white) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: var(--glow-cyan);
        }

        .logo-badge-2026 {
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 9px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
            letter-spacing: 0.04em;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login-text {
            color: var(--text-silver);
            font-weight: 600;
            padding: 8px 14px;
            border: none;
            background: transparent;
            font-size: 0.92rem;
            transition: color var(--transition-fast);
        }

        .btn-login-text:hover {
            color: var(--accent-cyan);
        }

        .btn-signup-solid {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 700;
            padding: 9px 22px;
            border-radius: 30px;
            border: none;
            font-size: 0.92rem;
            box-shadow: 0 4px 18px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-fast);
        }

        .btn-signup-solid:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--glow-cyan);
        }

        .navbar-toggler {
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            padding: 6px 10px;
            background: rgba(255, 255, 255, 0.04);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23CBD5E1' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .nav-links-wrapper .nav-link {
            color: var(--text-silver);
            font-weight: 600;
            padding: 10px 16px;
            font-size: 0.92rem;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .nav-links-wrapper .nav-link:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        .nav-links-wrapper .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            border-bottom: 2px solid var(--accent-cyan);
            border-radius: 8px 8px 0 0;
        }

        /* Hero Article */
        .article-hero {
            position: relative;
            padding: 160px 0 70px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            margin-bottom: 0;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(8, 9, 15, 0.88) 0%, rgba(13, 17, 30, 0.78) 50%, rgba(8, 9, 15, 0.92) 100%);
            z-index: 1;
        }

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

        .breadcrumb-article {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.86rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            font-weight: 500;
        }

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

        .breadcrumb-article .separator {
            color: var(--text-muted);
        }

        .breadcrumb-article .current-tag {
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 0.82rem;
            font-weight: 600;
        }

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            letter-spacing: -0.025em;
            margin-bottom: 18px;
            max-width: 800px;
        }

        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 0.9rem;
            color: var(--text-silver);
            margin-bottom: 16px;
        }

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

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

        .article-hero-excerpt {
            font-size: 1.08rem;
            color: var(--text-silver);
            max-width: 720px;
            line-height: 1.65;
        }

        .article-hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card), var(--glow-blue);
            transition: all var(--transition-med);
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .article-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            max-height: 340px;
        }

        .article-hero-image:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card), var(--glow-cyan);
            transform: translateY(-4px);
        }

        /* Article Body */
        .article-content-section {
            padding: 60px 0 50px;
            background: var(--bg-deep);
        }

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

        .article-main-col {
            min-width: 0;
        }

        .article-body {
            max-width: 720px;
            font-size: 1.02rem;
            line-height: 1.7;
            color: var(--text-silver);
        }

        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-top: 36px;
            margin-bottom: 14px;
            letter-spacing: -0.015em;
            line-height: 1.3;
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 26px;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .article-body p {
            margin-bottom: 16px;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 16px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            padding: 18px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 20px 0;
            color: var(--text-white);
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
        }

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

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }

        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-glass);
            text-align: left;
        }

        .article-body table th {
            background: rgba(0, 240, 255, 0.08);
            color: var(--text-white);
            font-weight: 700;
        }

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

        .article-body a:hover {
            color: var(--accent-pink);
            border-bottom-color: rgba(255, 45, 135, 0.4);
        }

        .article-not-found {
            max-width: 720px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
        }

        .article-not-found .not-found-icon {
            font-size: 3rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            text-shadow: var(--glow-cyan);
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .article-not-found p {
            color: var(--text-silver);
            margin-bottom: 22px;
        }

        .article-not-found .btn {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 700;
            padding: 11px 28px;
            border-radius: 30px;
            border: none;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-fast);
        }

        .article-not-found .btn:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--glow-cyan);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-med);
        }

        .sidebar-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
        }

        .sidebar-card .card-label {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .sidebar-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .sidebar-card .btn-soft {
            display: inline-block;
            margin-top: 14px;
            padding: 9px 20px;
            border-radius: 24px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }

        .sidebar-card .btn-soft:hover {
            background: rgba(0, 240, 255, 0.2);
            color: #fff;
            box-shadow: var(--glow-cyan);
        }

        /* Data Dashboard */
        .data-dashboard {
            padding: 70px 0;
            background: var(--bg-navy);
            position: relative;
        }

        .data-dashboard::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            opacity: 0.6;
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dashboard-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .dashboard-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            right: 20%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .dashboard-card:hover {
            border-color: rgba(0, 240, 255, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--glow-blue);
        }

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

        .dashboard-card .stat-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 12px;
            text-shadow: var(--glow-cyan);
        }

        .dashboard-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.03em;
            line-height: 1.2;
        }

        .dashboard-card .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* Services Matrix */
        .services-matrix {
            padding: 70px 0;
            background: var(--bg-deep);
        }

        .section-heading {
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-heading .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-heading h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-heading p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .service-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 30px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-med);
            position: relative;
        }

        .service-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-card), var(--glow-blue);
            transform: translateY(-3px);
        }

        .service-card .service-icon {
            flex-shrink: 0;
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.25), rgba(0, 240, 255, 0.2));
            border: 1px solid rgba(0, 240, 255, 0.3);
            font-size: 1.4rem;
            color: var(--accent-cyan);
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.2);
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Comparison */
        .comparison-section {
            padding: 70px 0;
            background: var(--bg-navy);
        }

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

        .comparison-panel {
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.03);
            transition: all var(--transition-med);
        }

        .comparison-panel.best {
            border-color: rgba(0, 240, 255, 0.45);
            background: rgba(0, 240, 255, 0.04);
            box-shadow: var(--glow-cyan);
            position: relative;
        }

        .comparison-panel.best::before {
            content: 'ĐƯỢC CHỌN';
            position: absolute;
            top: -12px;
            right: 24px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            padding: 4px 14px;
            border-radius: 20px;
            box-shadow: var(--glow-cyan);
        }

        .comparison-panel h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-panel li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.93rem;
            color: var(--text-silver);
        }

        .comparison-panel li:last-child {
            border-bottom: none;
        }

        .comparison-panel li i {
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-panel li .icon-check {
            color: var(--accent-cyan);
        }

        .comparison-panel li .icon-cross {
            color: #FF6B6B;
            opacity: 0.75;
        }

        /* FAQ */
        .faq-section {
            padding: 70px 0;
            background: var(--bg-deep);
        }

        .faq-list {
            max-width: 820px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            color: var(--text-white);
            font-size: 1rem;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            transition: all var(--transition-fast);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.93rem;
            line-height: 1.65;
            display: none;
        }

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

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: rgba(0, 240, 255, 0.2);
        }

        /* CTA Form */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-navy);
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-pink), var(--accent-cyan), transparent);
            opacity: 0.7;
        }

        .cta-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.25), transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .cta-panel .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .cta-panel .cta-sub {
            font-size: 1rem;
            color: var(--text-silver);
            margin-bottom: 28px;
            max-width: 560px;
            line-height: 1.6;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr auto;
            gap: 14px;
            align-items: end;
        }

        .cta-form .form-group {
            margin-bottom: 0;
        }

        .cta-form label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-silver);
            margin-bottom: 6px;
            display: block;
        }

        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 12px 16px;
            color: var(--text-white);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

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

        .cta-form .form-control:focus {
            border-color: var(--accent-cyan);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
        }

        .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 700;
            font-size: 0.98rem;
            padding: 13px 30px;
            border-radius: 10px;
            border: none;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .cta-benefits {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 22px;
        }

        .cta-benefits .benefit-tag {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cta-benefits .benefit-tag i {
            font-size: 0.8rem;
        }

        /* Floating Action Button */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.85), rgba(8, 9, 15, 0.85)), linear-gradient(135deg, #00F0FF, #0052FF, #FF2D87);
            background-origin: border-box;
            background-clip: content-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.65;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-med);
            animation: fabBreathe 2.8s ease-in-out infinite;
            min-width: 48px;
            min-height: 48px;
        }

        .fab-neon::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF2D87;
            box-shadow: 0 0 10px rgba(255, 45, 135, 0.8);
            border: 2px solid var(--bg-deep);
        }

        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
            color: #fff;
        }

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

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

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-glass);
            padding: 60px 0 24px;
            color: var(--text-silver);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr 1.5fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-logo {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-white);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-logo i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .badge-18 {
            display: inline-block;
            background: #D32F2F;
            color: #fff;
            font-weight: 800;
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: 6px;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .payment-badge {
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 18px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent-cyan);
        }

        .footer-col p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .article-sidebar .sidebar-card {
                flex: 1 1 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 130px 0 50px;
                background-attachment: scroll;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-hero-excerpt {
                font-size: 0.95rem;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 32px 24px;
            }
            .dashboard-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .dashboard-card .stat-value {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-sidebar {
                flex-direction: column;
            }
            .logo-text {
                font-size: 0.95rem;
            }
            .logo-badge-2026 {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-hero-meta {
                gap: 10px;
                font-size: 0.8rem;
            }
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .btn-signup-solid {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .btn-login-text {
                padding: 8px 8px;
                font-size: 0.82rem;
            }
            .cta-benefits {
                flex-direction: column;
                gap: 8px;
            }
        }

/* roulang page: category1 */
/* ============ DESIGN SYSTEM ============ */
        :root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-tertiary: #141B2E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --border-glow: rgba(0,240,255,0.4);
            --shadow-glow: 0 0 15px rgba(0,240,255,0.5);
            --radius-md: 12px;
            --radius-lg: 20px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
        }
        /* ============ BASE RESET & TYPOGRAPHY ============ */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
        }
        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: all 0.3s ease;
        }
        a:hover {
            color: var(--accent-blue);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button:focus, a:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        ::selection {
            background: var(--accent-cyan);
            color: #000;
        }

        /* ============ CONTAINER LAYOUT ============ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: var(--spacing-lg) 0;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,240,255,0.15);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(8, 9, 15, 0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.6);
        }
        .logo-text {
            font-weight: 800;
            font-size: 1.4rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.3px;
        }
        .logo-text:hover {
            color: #fff;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 0 12px rgba(0,240,255,0.7);
        }
        .logo-badge-2026 {
            background: linear-gradient(90deg, #FFD700, #FF9F00);
            color: #000;
            font-size: 0.7rem;
            font-weight: 900;
            padding: 2px 8px;
            border-radius: 12px;
            letter-spacing: 1px;
            margin-left: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            margin: 0 6px;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0,240,255,0.08);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }
        .auth-buttons {
            display: flex;
            gap: 10px;
            margin-left: 20px;
        }
        .btn-login-text {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-weight: 600;
            padding: 8px 14px;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .btn-login-text:hover {
            color: #fff;
            background: rgba(255,255,255,0.06);
        }
        .btn-signup-solid {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,240,255,0.4);
            transition: all 0.3s;
        }
        .btn-signup-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0,240,255,0.6);
            color: #fff;
        }
        .navbar-toggler {
            border: 1px solid rgba(255,255,255,0.2);
            padding: 6px 10px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            background: var(--bg-secondary) url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            position: relative;
            padding-top: 140px;
            padding-bottom: var(--spacing-lg);
            clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
            margin-bottom: -40px;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(8,9,15,0.95) 20%, rgba(13,17,30,0.7) 70%, rgba(0,240,255,0.15));
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(90deg, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-top: 20px;
            max-width: 600px;
        }
        .hero-actions .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 14px 30px;
            border-radius: 30px;
            box-shadow: 0 8px 20px rgba(0,240,255,0.5);
            transition: all 0.3s;
        }
        .hero-actions .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0,240,255,0.8);
            color: #fff;
        }
        .hero-actions .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 30px;
            transition: all 0.3s;
        }
        .hero-actions .btn-outline-custom:hover {
            background: rgba(0,240,255,0.15);
            color: #fff;
        }
        .hero-visual {
            background: rgba(20,27,46,0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0,240,255,0.3);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.5);
        }
        .hero-code-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .hero-code-box .label {
            font-size: 1rem;
            color: var(--text-secondary);
        }
        .hero-code-box .code-text {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-cyan);
            letter-spacing: 3px;
            text-shadow: 0 0 20px rgba(0,240,255,0.8);
        }
        .hero-code-box .fa-gift {
            font-size: 3rem;
            color: #FFD700;
        }

        /* ============ METRICS DASHBOARD ============ */
        .metrics-section {
            padding: var(--spacing-lg) 0;
            background: var(--bg-secondary);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }
        .metric-item {
            background: rgba(20,27,46,0.6);
            border: 1px solid rgba(0,240,255,0.2);
            border-radius: var(--radius-md);
            padding: 25px;
            text-align: center;
            transition: all 0.3s;
        }
        .metric-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 25px rgba(0,240,255,0.2);
            transform: translateY(-5px);
        }
        .metric-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-cyan);
        }
        .metric-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 8px;
        }

        /* ============ SERVICE MATRIX SECTION ============ */
        .service-matrix-section {
            background: var(--bg-primary);
            padding: var(--spacing-lg) 0;
        }
        .service-item {
            display: flex;
            gap: 30px;
            align-items: center;
            margin-bottom: 40px;
        }
        .service-item.reverse {
            flex-direction: row-reverse;
        }
        .service-content, .service-image {
            flex: 1;
        }
        .service-image img {
            border-radius: var(--radius-lg);
            box-shadow: 0 15px 40px rgba(0,0,0,0.5);
            border: 1px solid rgba(0,240,255,0.2);
        }
        .service-number {
            display: inline-block;
            background: rgba(0,240,255,0.1);
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            font-weight: 900;
            margin-bottom: 15px;
        }

        /* ============ RESULTS COMPARISON ============ */
        .comparison-section {
            background: var(--bg-secondary);
            padding: var(--spacing-lg) 0;
        }
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 10px;
        }
        .comparison-table th {
            background: rgba(0,240,255,0.1);
            color: var(--accent-cyan);
            padding: 15px;
            text-align: left;
            font-weight: 700;
        }
        .comparison-table td {
            background: rgba(20,27,46,0.5);
            border: 1px solid rgba(0,240,255,0.1);
            padding: 15px;
            color: var(--text-secondary);
        }
        .comparison-table td:first-child {
            font-weight: 600;
            color: #fff;
        }

        /* ============ FAQ SECTION ============ */
        .faq-section {
            background: var(--bg-primary);
            padding: var(--spacing-lg) 0;
        }
        .accordion-item {
            background: rgba(20,27,46,0.6);
            border: 1px solid rgba(0,240,255,0.2);
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 700;
            padding: 18px 20px;
            font-size: 1.1rem;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0,240,255,0.08);
            color: var(--accent-cyan);
        }
        .accordion-body {
            color: var(--text-secondary);
            padding: 20px;
            line-height: 1.7;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, #0D111E 0%, #1A2036 100%);
            padding: var(--spacing-lg) 0;
            clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);
            margin-top: -20px;
        }
        .cta-form {
            background: rgba(20,27,46,0.8);
            border: 1px solid rgba(0,240,255,0.3);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.6);
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-form input {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(0,240,255,0.3);
            color: #fff;
            padding: 14px 20px;
            border-radius: 8px;
            width: 100%;
            margin-bottom: 15px;
        }
        .cta-form input::placeholder {
            color: rgba(203,213,225,0.7);
        }
        .cta-form button {
            width: 100%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 15px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
        }
        .cta-form button:hover {
            box-shadow: 0 0 25px rgba(0,240,255,0.7);
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #08090F;
            border-top: 1px solid rgba(0,240,255,0.2);
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-col h4 {
            color: var(--accent-cyan);
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            transition: all 0.3s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 5px;
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .payment-badge {
            background: rgba(0,240,255,0.1);
            border: 1px solid rgba(0,240,255,0.4);
            color: #fff;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .badge-18 {
            display: inline-block;
            background: #D32F2F;
            color: #fff;
            font-weight: 900;
            padding: 4px 12px;
            border-radius: 50%;
            margin-top: 10px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* ============ FAB (Floating Action Button) ============ */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            box-shadow: 0 0 15px rgba(0,240,255,0.5);
            transition: all 0.3s ease;
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0,240,255,0.8);
            color: #fff;
        }
        .fab-left .fab-notification {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 18px;
            height: 18px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: fabBlink 1.5s infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-section {
                padding-top: 110px;
            }
            .service-item, .service-item.reverse {
                flex-direction: column;
            }
            .service-image img {
                width: 100%;
            }
            .auth-buttons {
                display: none;
            }
            .site-header .auth-buttons.d-lg-none {
                display: flex !important;
            }
            .navbar-collapse {
                background: rgba(8,9,15,0.98);
                padding: 20px;
                border-radius: 0 0 12px 12px;
                border: 1px solid rgba(0,240,255,0.2);
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 8px;
                font-size: 0.85rem;
            }
            .cta-form {
                padding: 25px;
            }
            .site-header {
                padding: 8px 0;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --bg-card-solid: rgba(13, 17, 30, 0.92);
            --accent-gold: #FFD700;
            --accent-amber: #FFBF00;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-cyan: rgba(0, 240, 255, 0.25);
            --border-gold: rgba(255, 215, 0, 0.35);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 26px;
            --radius-pill: 50rem;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.55);
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.22);
            --shadow-glow-gold: 0 0 22px rgba(255, 215, 0, 0.2);
            --shadow-glow-blue: 0 0 24px rgba(0, 82, 255, 0.35);
            --font-primary: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.35s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-primary);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 76px;
        }

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

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition-fast);
        }
        a:hover {
            color: var(--accent-gold);
        }

        button {
            font-family: var(--font-primary);
        }

        .container {
            max-width: 1180px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: 72px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }

        .text-gold { color: var(--accent-gold) !important; }
        .text-cyan { color: var(--accent-cyan) !important; }
        .text-muted-2 { color: var(--text-muted) !important; }
        .fw-700 { font-weight: 700 !important; }
        .fw-800 { font-weight: 800 !important; }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
            transition: var(--transition);
            z-index: 1030;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            background: rgba(8, 9, 15, 0.97);
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary) !important;
            letter-spacing: 0.02em;
            line-height: 1.3;
            white-space: nowrap;
        }
        .logo-text .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .logo-badge-2026 {
            font-size: 0.7rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            padding: 3px 9px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.05em;
            line-height: 1;
        }

        .nav-links-wrapper {
            justify-content: center;
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary) !important;
            padding: 10px 16px !important;
            border-radius: var(--radius-pill);
            transition: var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-primary) !important;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.1);
            font-weight: 600;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 12px;
        }
        .btn-login-text {
            color: var(--text-primary) !important;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 14px;
            border: none;
            background: transparent;
            transition: var(--transition-fast);
        }
        .btn-login-text:hover {
            color: var(--accent-gold) !important;
        }
        .btn-signup-solid {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary) !important;
            border: none;
            transition: var(--transition);
            box-shadow: 0 0 16px rgba(255, 215, 0, 0.25);
        }
        .btn-signup-solid:hover {
            box-shadow: 0 0 26px rgba(255, 215, 0, 0.4);
            transform: translateY(-2px);
            color: var(--bg-primary) !important;
        }

        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 8px 10px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            body { padding-top: 68px; }
            .navbar-collapse {
                background: rgba(8, 9, 15, 0.98);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid var(--border-light);
            }
            .nav-link {
                padding: 12px 16px !important;
            }
            .auth-buttons { gap: 6px; }
            .btn-signup-solid { padding: 8px 16px; }
        }

        /* ============ HERO BENTO ============ */
        .hero-bento {
            position: relative;
            padding: 72px 0 48px;
            background: var(--bg-secondary);
            overflow: hidden;
        }
        .hero-bento::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-bento::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(0, 82, 255, 0.18), transparent 55%),
                        radial-gradient(ellipse at 80% 75%, rgba(0, 240, 255, 0.12), transparent 50%);
            z-index: 0;
        }
        .hero-bento .container {
            position: relative;
            z-index: 1;
        }
        .bento-grid {
            display: grid;
            grid-template-columns: 1.65fr 1fr;
            grid-template-rows: auto auto auto;
            gap: 16px;
            grid-template-areas:
                "main small1"
                "main small2"
                "cta cta";
        }
        .bento-main {
            grid-area: main;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            position: relative;
            overflow: hidden;
        }
        .bento-main::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .bento-small {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--transition);
        }
        .bento-small:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
        }
        .bento-small-1 { grid-area: small1; }
        .bento-small-2 { grid-area: small2; }
        .bento-small-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .bento-small-icon.gold { background: rgba(255, 215, 0, 0.12); color: var(--accent-gold); border: 1px solid var(--border-gold); }
        .bento-small-icon.cyan { background: rgba(0, 240, 255, 0.1); color: var(--accent-cyan); border: 1px solid var(--border-cyan); }
        .bento-small h3 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 3px;
            color: var(--text-primary);
        }
        .bento-small p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.4;
        }
        .bento-cta {
            grid-area: cta;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .bento-cta-text {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .bento-cta-text span {
            color: var(--accent-gold);
            font-weight: 800;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .hero-title {
            font-size: clamp(1.7rem, 3.4vw, 2.5rem);
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 22px;
            line-height: 1.7;
        }
        .btn-glow-cyan {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff !important;
            border: none;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-glow-cyan:hover {
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.45);
            transform: translateY(-2px);
            color: #fff !important;
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            background: transparent;
            color: var(--accent-gold) !important;
            border: 1px solid var(--border-gold);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.08);
            box-shadow: var(--shadow-glow-gold);
            color: var(--accent-gold) !important;
        }

        @media (max-width: 991.98px) {
            .bento-grid {
                grid-template-columns: 1fr;
                grid-template-areas:
                    "main"
                    "small1"
                    "small2"
                    "cta";
            }
            .bento-main { padding: 28px 22px; }
            .hero-bento { padding: 48px 0 36px; }
        }

        /* ============ METRICS ============ */
        .metrics-section {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-light);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .metric-item {
            text-align: left;
            padding: 22px 20px;
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .metric-item:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .metric-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        @media (max-width: 767.98px) {
            .metrics-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .metric-item { padding: 16px; }
            .metric-value { font-size: 1.4rem; }
        }

        /* ============ SECTION HEADERS ============ */
        .section-header-left {
            max-width: 640px;
            margin-bottom: 36px;
            text-align: left;
        }
        .section-kicker {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.4rem, 2.6vw, 1.9rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ SERVICE MATRIX ============ */
        .service-matrix-section {
            background: var(--bg-secondary);
        }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .service-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber), transparent);
            opacity: 0;
            transition: var(--transition);
        }
        .service-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow-gold);
            transform: translateY(-3px);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }
        .service-card-icon {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
        }
        .service-badge {
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid var(--border-cyan);
            letter-spacing: 0.04em;
        }
        .service-badge.hot {
            background: rgba(255, 82, 82, 0.12);
            border-color: rgba(255, 82, 82, 0.35);
            color: #FF6464;
        }
        .service-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .service-card-value {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        @media (max-width: 991.98px) {
            .service-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 575.98px) {
            .service-grid { grid-template-columns: 1fr; }
        }

        /* ============ COMPARISON ============ */
        .comparison-section {
            background: var(--bg-primary);
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .comparison-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition);
        }
        .comparison-card.winner {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow-gold);
        }
        .comparison-head {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .comparison-head i {
            font-size: 1.2rem;
        }
        .comparison-head i.dull { color: var(--text-muted); }
        .comparison-head i.bright { color: var(--accent-gold); }
        .comparison-head h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0;
        }
        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .comparison-list li:last-child {
            border-bottom: none;
        }
        .comparison-list li i {
            margin-top: 4px;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .comparison-list li i.dull { color: var(--text-muted); }
        .comparison-list li i.bright { color: var(--accent-gold); }
        @media (max-width: 767.98px) {
            .comparison-grid { grid-template-columns: 1fr; }
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-secondary);
        }
        .faq-list .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-list .accordion-item:hover {
            border-color: var(--border-cyan);
        }
        .faq-list .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            transition: var(--transition-fast);
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.04);
            color: var(--accent-cyan);
        }
        .faq-list .accordion-button:focus {
            border-color: transparent;
            box-shadow: none;
        }
        .faq-list .accordion-body {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            padding: 0 20px 18px;
            background: transparent;
        }

        /* ============ CTA FORM ============ */
        .cta-form-section {
            background: var(--bg-primary);
        }
        .cta-form-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/coverpic/cover-1.png');
            background-position: right center;
            background-size: auto 100%;
            background-repeat: no-repeat;
            background-blend-mode: overlay;
        }
        .cta-form-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 9, 15, 0.9) 30%, rgba(13, 17, 30, 0.75) 60%, rgba(13, 17, 30, 0.5) 100%);
            border-radius: var(--radius-xl);
        }
        .cta-form-inner {
            position: relative;
            z-index: 1;
            max-width: 520px;
        }
        .cta-form-title {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .cta-form-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 22px;
        }
        .cta-form-input-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form-input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-light);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-size: 0.95rem;
            font-family: var(--font-primary);
            outline: none;
            transition: var(--transition);
        }
        .cta-form-input::placeholder {
            color: var(--text-muted);
        }
        .cta-form-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-glow-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary) !important;
            border: none;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-glow-gold:hover {
            box-shadow: 0 0 34px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }
        .form-note {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 12px;
            margin-bottom: 0;
        }
        @media (max-width: 767.98px) {
            .cta-form-card {
                padding: 28px 20px;
                background-size: cover;
                background-position: center;
            }
            .cta-form-input-group { flex-direction: column; }
            .cta-form-input { width: 100%; min-width: auto; }
            .btn-glow-gold { width: 100%; justify-content: center; }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-logo i {
            color: var(--accent-gold);
        }
        .footer-col p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .footer-col h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 82, 82, 0.12);
            border: 2px solid #FF6464;
            color: #FF6464;
            font-weight: 800;
            font-size: 0.85rem;
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 575.98px) {
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
        }

        /* ============ FAB ============ */
        .fab-float {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.75), rgba(8, 9, 15, 0.75)), linear-gradient(135deg, #CCFF00, var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            transition: all 0.35s ease;
            cursor: pointer;
            text-decoration: none;
            opacity: 0.65;
            animation: fab-breathe 2.8s ease-in-out infinite;
        }
        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.55);
            color: var(--accent-cyan);
        }
        .fab-float:active {
            transform: scale(0.94);
        }
        .fab-float .fab-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #FF4466;
            border: 2px solid var(--bg-primary);
            animation: fab-dot-blink 1.4s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }
        @keyframes fab-dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 575.98px) {
            .fab-float {
                width: 50px;
                height: 50px;
                bottom: 72px;
                left: 12px;
                font-size: 1rem;
            }
        }

        /* ============ UTILITY OVERRIDES ============ */
        .border-glow-cyan {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .tag-highlight {
            display: inline-block;
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-gold);
        }