/* roulang page: index */
:root {
            --bg-deep: #030712;
            --bg-navy: #081229;
            --accent-blue: #2563eb;
            --accent-cyan: #38bdf8;
            --accent-soft: #60a5fa;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --glass-bg: rgba(15, 23, 42, 0.62);
            --glass-border: rgba(59, 130, 246, 0.18);
            --radius-lg: 1.25rem;
            --radius-md: 0.95rem;
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.28);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ::selection {
            background: rgba(37, 99, 235, 0.55);
            color: #fff;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: #020617;
        }
        ::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, #1e3a8a, #0ea5e9);
            border-radius: 999px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.16);
            transition: background 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(2, 6, 23, 0.94);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 1.25rem;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            font-size: 1.32rem;
            color: #fff;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(145deg, #2563eb, #38bdf8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }
        .nav-links a {
            padding: 0.7rem 1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #cbd5e1;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(37, 99, 235, 0.18);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.5), rgba(56, 189, 248, 0.35));
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.28);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }
        .btn-login {
            padding: 0.65rem 1.15rem;
            border: 1px solid rgba(56, 189, 248, 0.45);
            color: #bae6fd;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: #38bdf8;
            color: #fff;
        }
        .btn-signup {
            padding: 0.7rem 1.35rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(148, 163, 184, 0.3);
            color: #e2e8f0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .mobile-menu-toggle svg {
            width: 22px;
            height: 22px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 5.5rem;
            padding-bottom: 3rem;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/6ce901a85d441425.jpg');
            background-position: center;
            background-size: cover;
            filter: saturate(0.7) contrast(1.05);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(90deg, rgba(3, 7, 18, 0.91) 0%, rgba(8, 18, 41, 0.72) 48%, rgba(3, 7, 18, 0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.4);
            color: #bae6fd;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .hero-title {
            margin-top: 1.2rem;
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.12;
            letter-spacing: -0.02em;
            color: #fff;
            text-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, #60a5fa, #38bdf8 55%, #a5b4fc);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            margin-top: 1.35rem;
            max-width: 700px;
            font-size: 1.08rem;
            color: #e2e8f0;
            line-height: 1.65;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
            margin-top: 2rem;
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.95rem 2rem;
            border-radius: 999px;
            font-weight: 800;
            font-size: 1rem;
            color: #fff;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 26px rgba(37, 99, 235, 0.55);
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .btn-glow:hover {
            box-shadow: 0 0 42px rgba(56, 189, 248, 0.8);
            transform: translateY(-3px);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.95rem 1.8rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            color: #e0f2fe;
            background: rgba(15, 23, 42, 0.55);
            border: 1px solid rgba(148, 163, 184, 0.35);
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }
        .btn-ghost:hover {
            background: rgba(37, 99, 235, 0.2);
            border-color: rgba(56, 189, 248, 0.6);
            color: #fff;
        }
        .hero-play {
            position: absolute;
            z-index: 2;
            right: 5%;
            bottom: 12%;
            width: 84px;
            height: 84px;
            border-radius: 50%;
            background: rgba(2, 6, 23, 0.7);
            border: 1px solid rgba(56, 189, 248, 0.55);
            backdrop-filter: blur(12px);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: floatHero 4s ease-in-out infinite;
            box-shadow: 0 0 24px rgba(37, 99, 235, 0.35);
        }
        .hero-play:hover {
            box-shadow: 0 0 44px rgba(56, 189, 248, 0.7);
            border-color: #38bdf8;
        }
        .hero-play svg {
            width: 34px;
            height: 34px;
            fill: #ffffff;
            margin-left: 5px;
        }
        @keyframes floatHero {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        .hero-trust {
            margin-top: 1.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.25rem;
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            align-items: center;
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        /* Sections */
        .section {
            position: relative;
            padding: 5.75rem 0;
        }
        .section-alt {
            background: linear-gradient(180deg, #081229 0%, #030712 90%);
        }
        .section-header {
            max-width: 720px;
            margin-bottom: 2.25rem;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            uppercase: none;
            color: #7dd3fc;
            background: rgba(37, 99, 235, 0.18);
            border: 1px solid rgba(56, 189, 248, 0.3);
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
        }
        .section-title {
            margin-top: 0.9rem;
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #fff;
        }
        .section-desc {
            margin-top: 1rem;
            font-size: 1.02rem;
            color: #b6c2d1;
            line-height: 1.6;
        }

        /* Glass card */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 20px 45px rgba(0, 0, 0, 0.18);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .glass-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 28px 60px rgba(37, 99, 235, 0.2), 0 0 22px rgba(56, 189, 248, 0.18);
            border-color: rgba(56, 189, 248, 0.4);
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1.25rem;
        }
        .stat-card {
            padding: 1.3rem 1rem;
            text-align: left;
            background: rgba(8, 18, 41, 0.55);
            border: 1px solid rgba(59, 130, 246, 0.14);
            border-radius: 1.1rem;
        }
        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.1;
        }
        .stat-label {
            margin-top: 0.35rem;
            color: #94a3b8;
            font-size: 0.9rem;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 1.25rem;
        }
        .feature-card {
            padding: 1.75rem;
            background: rgba(8, 18, 41, 0.55);
            border: 1px solid rgba(59, 130, 246, 0.16);
            border-radius: 1.2rem;
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            border-color: rgba(56, 189, 248, 0.45);
            box-shadow: 0 18px 40px rgba(37, 99, 235, 0.16);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.5), rgba(56, 189, 248, 0.35));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #bae6fd;
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.3);
        }
        .feature-title {
            margin-top: 1.2rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
        }
        .feature-desc {
            margin-top: 0.65rem;
            color: #b6c2d1;
            font-size: 0.97rem;
            line-height: 1.6;
        }

        /* Time slot cards */
        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1.1rem;
        }
        .schedule-card {
            padding: 1.4rem;
            background: rgba(8, 18, 41, 0.62);
            border: 1px solid rgba(59, 130, 246, 0.16);
            border-radius: 1rem;
            text-align: left;
            transition: all 0.3s ease;
        }
        .schedule-card:hover {
            border-color: rgba(56, 189, 248, 0.5);
            box-shadow: 0 0 22px rgba(37, 99, 235, 0.25);
        }
        .schedule-time {
            color: #38bdf8;
            font-weight: 800;
            font-size: 1.05rem;
        }
        .schedule-title {
            margin-top: 0.75rem;
            font-weight: 700;
            color: #fff;
        }
        .schedule-note {
            margin-top: 0.4rem;
            color: #b6c2d1;
            font-size: 0.9rem;
        }

        /* Support team */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1.25rem;
        }
        .team-card {
            background: rgba(8, 18, 41, 0.55);
            border: 1px solid rgba(59, 130, 246, 0.14);
            border-radius: 1.2rem;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .team-avatar {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: linear-gradient(145deg, #0f172a, #1e3a8a);
            border: 1px solid rgba(56, 189, 248, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
        }
        .team-name {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
        }
        .team-role {
            color: #7dd3fc;
            font-size: 0.85rem;
        }
        .team-desc {
            color: #b6c2d1;
            font-size: 0.9rem;
            line-height: 1.55;
        }

        /* Category card */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 1.25rem;
        }
        .category-card {
            position: relative;
            border-radius: 1.3rem;
            overflow: hidden;
            min-height: 270px;
            border: 1px solid rgba(59, 130, 246, 0.18);
            background: rgba(8, 18, 41, 0.45);
            transition: all 0.35s ease;
        }
        .category-card:hover {
            border-color: rgba(56, 189, 248, 0.5);
            box-shadow: 0 24px 50px rgba(37, 99, 235, 0.22);
            transform: translateY(-6px);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.42;
            transition: opacity 0.35s ease;
        }
        .category-card:hover img {
            opacity: 0.55;
        }
        .category-card-body {
            position: relative;
            z-index: 1;
            padding: 2rem 1.4rem;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            height: 100%;
            background: linear-gradient(180deg, rgba(2, 6, 23, 0.05) 0%, rgba(2, 6, 23, 0.85) 82%);
        }
        .category-card-title {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
        }
        .category-card-desc {
            margin-top: 0.55rem;
            color: #dbeafe;
            font-size: 0.92rem;
        }

        /* News CMS */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 1.25rem;
        }
        .news-card {
            overflow: hidden;
        }
        .news-card .news-thumb {
            height: 200px;
            background-color: #0f172a;
            border-radius: 1rem;
            overflow: hidden;
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.06);
        }
        .news-card-body {
            padding: 1.2rem 0.2rem;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.75rem;
            font-weight: 700;
            color: #bae6fd;
            background: rgba(37, 99, 235, 0.22);
            border: 1px solid rgba(56, 189, 248, 0.35);
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
        }
        .news-title {
            margin-top: 0.8rem;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }
        .news-excerpt {
            margin-top: 0.55rem;
            color: #b6c2d1;
            font-size: 0.9rem;
            line-height: 1.55;
        }
        .news-time {
            margin-top: 0.8rem;
            color: #64748b;
            font-size: 0.82rem;
            display: inline-block;
        }
        .empty-state {
            padding: 2.5rem 1rem;
            text-align: center;
            border: 1px dashed rgba(100, 116, 139, 0.4);
            border-radius: 1rem;
            color: #94a3b8;
            font-size: 1rem;
            background: rgba(8, 18, 41, 0.35);
        }

        /* Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 1.25rem;
        }
        .review-card {
            padding: 1.6rem;
            background: rgba(8, 18, 41, 0.55);
            border: 1px solid rgba(59, 130, 246, 0.14);
            border-radius: 1.2rem;
        }
        .review-quote {
            color: #e2e8f0;
            font-size: 0.98rem;
            line-height: 1.6;
            font-style: italic;
        }
        .review-author {
            margin-top: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.65rem;
        }
        .review-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1e3a8a, #0ea5e9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
        }
        .review-info {
            font-weight: 700;
            color: #fff;
            font-size: 0.9rem;
        }
        .review-info small {
            display: block;
            color: #7dd3fc;
            font-weight: 500;
            font-size: 0.75rem;
            margin-top: 0.1rem;
        }

        /* Security */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1rem;
        }
        .security-item {
            display: flex;
            align-items: flex-start;
            gap: 0.85rem;
            padding: 1.2rem;
            background: rgba(8, 18, 41, 0.45);
            border: 1px solid rgba(59, 130, 246, 0.12);
            border-radius: 1rem;
        }
        .security-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(37, 99, 235, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #7dd3fc;
            font-size: 1.1rem;
        }
        .security-text strong {
            display: block;
            color: #fff;
            font-size: 0.98rem;
            font-weight: 700;
        }
        .security-text span {
            display: block;
            color: #b6c2d1;
            font-size: 0.85rem;
            margin-top: 0.25rem;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1.2rem;
            counter-reset: stepCounter;
        }
        .step-card {
            position: relative;
            padding: 1.6rem 1.3rem;
            background: rgba(8, 18, 41, 0.55);
            border: 1px solid rgba(59, 130, 246, 0.14);
            border-radius: 1.2rem;
            transition: all 0.3s ease;
        }
        .step-card:hover {
            border-color: rgba(56, 189, 248, 0.45);
            box-shadow: 0 16px 34px rgba(37, 99, 235, 0.16);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            box-shadow: 0 0 14px rgba(37, 99, 235, 0.4);
        }
        .step-title {
            margin-top: 1rem;
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
        }
        .step-desc {
            margin-top: 0.5rem;
            color: #b6c2d1;
            font-size: 0.9rem;
            line-height: 1.55;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 0.85rem;
            border-radius: 1rem;
            background: rgba(8, 18, 41, 0.55);
            border: 1px solid rgba(59, 130, 246, 0.14);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.15rem 1.35rem;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            text-align: left;
        }
        .faq-question:hover {
            background: rgba(37, 99, 235, 0.06);
        }
        .faq-answer {
            padding: 0 1.35rem 1.25rem;
            color: #b6c2d1;
            font-size: 0.95rem;
            line-height: 1.6;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-icon {
            flex-shrink: 0;
            color: #38bdf8;
        }

        /* CTA form */
        .cta-panel {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 2.25rem;
            align-items: center;
            padding: 2.5rem;
            background: linear-gradient(145deg, rgba(8, 18, 41, 0.9), rgba(15, 23, 42, 0.65));
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 1.6rem;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 24px 60px rgba(37, 99, 235, 0.16);
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .cta-desc {
            margin-top: 0.85rem;
            color: #cbd5e1;
            font-size: 1rem;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 0.95rem 1.1rem;
            border-radius: 13px;
            background: rgba(2, 6, 23, 0.7);
            border: 1px solid rgba(100, 116, 139, 0.35);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all 0.25s ease;
        }
        .cta-form input::placeholder {
            color: #64748b;
        }
        .cta-form input:focus,
        .cta-form select:focus {
            border-color: #38bdf8;
            box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15);
        }
        .cta-form select option {
            background: #081229;
            color: #fff;
        }

        /* Footer */
        .site-footer {
            padding: 3.5rem 0 1.5rem;
            background: #020617;
            border-top: 1px solid rgba(59, 130, 246, 0.12);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-brand {
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
        }
        .footer-desc {
            margin-top: 0.8rem;
            color: #94a3b8;
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 300px;
        }
        .footer-heading {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: #7dd3fc;
        }
        .payment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }
        .payment-badge {
            padding: 0.35rem 0.8rem;
            border-radius: 999px;
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid rgba(100, 116, 139, 0.3);
            color: #cbd5e1;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(59, 130, 246, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
            color: #64748b;
            font-size: 0.8rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 60;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1.5px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, #a3e635, #06b6d4) 1;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: fabPulse 2.8s ease-in-out infinite;
        }
        .fab:hover {
            transform: scale(1.08);
            box-shadow: 0 0 34px rgba(6, 182, 212, 0.7);
        }
        .fab svg {
            width: 24px;
            height: 24px;
            stroke: #e0f2fe;
            stroke-width: 1.8;
        }
        .fab-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #f43f5e;
            border: 2px solid #fff;
            animation: dotBlink 1.4s ease-in-out infinite;
        }
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 18px rgba(6, 182, 212, 0.35); }
            50% { box-shadow: 0 0 28px rgba(6, 182, 212, 0.6); }
        }
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.5rem; }
            .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .schedule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .reviews-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .security-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                left: 0;
                right: 0;
                top: 78px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(2, 6, 23, 0.97);
                border-bottom: 1px solid rgba(59, 130, 246, 0.2);
                padding: 1rem;
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 45;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 0.9rem 1rem;
                border-radius: 12px;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.6rem 1rem;
                font-size: 0.85rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .hero {
                min-height: 85vh;
                padding-top: 4.5rem;
            }
            .hero-title { font-size: 2rem; }
            .hero-desc { font-size: 0.98rem; }
            .hero-play {
                width: 68px;
                height: 68px;
                right: 5%;
                bottom: 8%;
            }
            .hero-play svg { width: 28px; height: 28px; }
            .section { padding: 4rem 0; }
            .section-title { font-size: 1.8rem; }
            .cta-panel { grid-template-columns: 1fr; padding: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .fab { left: 0.85rem; bottom: 5.5rem; width: 50px; height: 50px; border-radius: 15px; }
        }
        @media (max-width: 520px) {
            .stats-grid, .feature-grid, .schedule-grid, .team-grid, .category-grid, .news-grid, .reviews-grid, .security-grid, .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero-title { font-size: 1.75rem; }
            .hero-badge { font-size: 0.75rem; }
            .btn-glow, .btn-ghost { width: 100%; justify-content: center; }
            .hero-buttons { width: 100%; }
            .nav-wrap { min-height: 68px; }
            .logo { font-size: 1.1rem; }
            .logo .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .nav-actions { gap: 0.35rem; }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #030712;
            --bg-navy: #081229;
            --accent-blue: #2563eb;
            --accent-cyan: #38bdf8;
            --accent-soft: #60a5fa;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --glass-bg: rgba(15, 23, 42, 0.62);
            --glass-border: rgba(59, 130, 246, 0.18);
            --radius-lg: 1.25rem;
            --radius-md: 0.95rem;
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.28);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.16);
            transition: background 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(2, 6, 23, 0.94);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 1.25rem;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            font-size: 1.32rem;
            color: #fff;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(145deg, #2563eb, #38bdf8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }
        .nav-links a {
            padding: 0.7rem 1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #cbd5e1;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(37, 99, 235, 0.18);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.5), rgba(56, 189, 248, 0.35));
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.28);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }
        .btn-login {
            padding: 0.65rem 1.15rem;
            border: 1px solid rgba(56, 189, 248, 0.45);
            color: #bae6fd;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: #38bdf8;
            color: #fff;
        }
        .btn-signup {
            padding: 0.7rem 1.35rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(148, 163, 184, 0.3);
            color: #e2e8f0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .mobile-menu-toggle svg {
            width: 22px;
            height: 22px;
        }
        /* Category Hero Bento */
        .cat-hero {
            position: relative;
            overflow: hidden;
            padding-top: 8rem;
            padding-bottom: 4rem;
            background: linear-gradient(180deg, #081229 0%, #030712 100%);
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/6ce901a85d441425.jpg');
            background-position: center;
            background-size: cover;
            opacity: 0.18;
            pointer-events: none;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 25% 40%, rgba(37, 99, 235, 0.22), transparent 45%);
            pointer-events: none;
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
        }
        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.18);
            border: 1px solid rgba(56, 189, 248, 0.4);
            color: #bae6fd;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .cat-hero-title {
            font-size: 2.75rem;
            line-height: 1.25;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            max-width: 760px;
        }
        .cat-hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin-top: 1rem;
            line-height: 1.7;
        }
        .bento-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 1.25rem;
            margin-top: 2.5rem;
            align-items: stretch;
        }
        .bento-main {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: var(--shadow-glow);
        }
        .bento-main .bento-label {
            color: #60a5fa;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        .bento-main .bento-value {
            font-size: 2.75rem;
            font-weight: 800;
            color: #fff;
            margin-top: 0.5rem;
            letter-spacing: -0.02em;
        }
        .bento-main .bento-note {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 0.4rem;
        }
        .bento-card {
            background: rgba(8, 18, 41, 0.65);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(59, 130, 246, 0.16);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            transition: all 0.3s ease;
        }
        .bento-card:hover {
            border-color: rgba(56, 189, 248, 0.45);
            transform: translateY(-4px);
            box-shadow: 0 14px 30px rgba(2, 6, 23, 0.5);
        }
        .bento-card .bento-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.22);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }
        .bento-card .bento-card-title {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }
        .bento-card .bento-card-text {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
        }
        .cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.9rem 1.75rem;
            border-radius: 999px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 26px rgba(37, 99, 235, 0.55);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        .btn-primary:hover {
            box-shadow: 0 0 42px rgba(56, 189, 248, 0.75);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.9rem 1.75rem;
            border-radius: 999px;
            font-weight: 600;
            color: #bae6fd;
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.45);
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        .btn-outline:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: #38bdf8;
            color: #fff;
        }
        /* Section */
        .section {
            padding: 4.5rem 0;
        }
        .section-alt {
            background: var(--bg-navy);
        }
        .section-heading {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
        }
        .section-lead {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.7;
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 2rem;
        }
        .stat-item {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.5rem 1rem;
            text-align: left;
        }
        .stat-value {
            font-size: 2.1rem;
            font-weight: 800;
            color: #38bdf8;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 0.35rem;
        }
        /* Offer Cards */
        .offer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
        }
        .offer-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .offer-card:hover {
            border-color: rgba(56, 189, 248, 0.5);
            transform: translateY(-5px);
            box-shadow: 0 18px 38px rgba(2, 6, 23, 0.55);
        }
        .offer-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(145deg, rgba(37, 99, 235, 0.25), rgba(56, 189, 248, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        .offer-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .offer-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            flex-grow: 1;
        }
        .offer-tag {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: #60a5fa;
            font-size: 0.78rem;
            font-weight: 700;
            margin-top: 1rem;
            align-self: flex-start;
        }
        /* Steps */
        .step-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            background: rgba(8, 18, 41, 0.7);
            border: 1px solid rgba(59, 130, 246, 0.16);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            transition: all 0.3s ease;
        }
        .step-item:hover {
            border-color: rgba(56, 189, 248, 0.5);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 1rem;
            right: 1.25rem;
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(56, 189, 248, 0.18);
            line-height: 1;
        }
        .step-item h3 {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
        }
        .news-card {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: rgba(56, 189, 248, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 16px 34px rgba(2, 6, 23, 0.5);
        }
        .news-thumb {
            height: 170px;
            overflow: hidden;
            background: #081229;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.78rem;
            color: #60a5fa;
            margin-bottom: 0.5rem;
        }
        .news-title {
            font-weight: 700;
            color: #fff;
            font-size: 1.02rem;
            line-height: 1.5;
            margin-bottom: 0.5rem;
        }
        .news-summary {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.65;
            flex-grow: 1;
        }
        .news-link {
            color: #38bdf8;
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 0.75rem;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        /* FAQ */
        .faq-wrap {
            max-width: 780px;
            margin: 2rem auto 0;
        }
        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.9rem;
            overflow: hidden;
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 1rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.2);
            color: #38bdf8;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        /* CTA form */
        .cta-panel {
            background: linear-gradient(145deg, rgba(37, 99, 235, 0.18), rgba(56, 189, 248, 0.08));
            border: 1px solid rgba(56, 189, 248, 0.28);
            border-radius: var(--radius-lg);
            padding: 2.25rem;
            margin-top: 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .cta-panel h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .cta-panel p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .cta-form input {
            padding: 0.85rem 1.1rem;
            border-radius: 12px;
            background: rgba(3, 7, 18, 0.6);
            border: 1px solid rgba(59, 130, 246, 0.25);
            color: #fff;
            outline: none;
            font-size: 0.95rem;
            transition: border 0.25s ease;
        }
        .cta-form input:focus {
            border-color: #38bdf8;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.2);
        }
        .cta-form input::placeholder {
            color: #64748b;
        }
        /* Footer */
        .site-footer {
            background: #020617;
            border-top: 1px solid rgba(59, 130, 246, 0.16);
            padding: 3.5rem 0 1.75rem;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
        }
        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 1rem;
            max-width: 340px;
        }
        .payment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.25rem;
        }
        .payment-badge {
            padding: 0.35rem 0.8rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.12);
            border: 1px solid rgba(59, 130, 246, 0.2);
            color: #93c5fd;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.55rem;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: #38bdf8;
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(59, 130, 246, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
            color: #64748b;
            font-size: 0.8rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .bento-grid {
                grid-template-columns: 1fr 1fr;
            }
            .bento-main {
                grid-column: span 2;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .offer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 78px;
                left: 0;
                width: 100%;
                background: rgba(2, 6, 23, 0.97);
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem;
                border-bottom: 1px solid rgba(59, 130, 246, 0.2);
                display: none;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.8rem 1rem;
            }
            .nav-actions {
                display: none;
            }
            .mobile-menu-toggle {
                display: inline-flex;
            }
            .cat-hero-title {
                font-size: 2rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-heading {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .bento-main {
                grid-column: span 1;
            }
            .offer-grid {
                grid-template-columns: 1fr;
            }
            .step-list {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cat-hero-title {
                font-size: 1.75rem;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .cta-panel {
                padding: 1.5rem;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #030712;
            --bg-navy: #081229;
            --accent-blue: #2563eb;
            --accent-cyan: #38bdf8;
            --accent-soft: #60a5fa;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --glass-bg: rgba(15, 23, 42, 0.62);
            --glass-border: rgba(59, 130, 246, 0.18);
            --radius-lg: 1.25rem;
            --radius-md: 0.95rem;
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.28);
            --shadow-cyber: 0 0 32px rgba(56, 189, 248, 0.22);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button, input, select, textarea {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.16);
            transition: background 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(2, 6, 23, 0.94);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 1.25rem;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            font-size: 1.32rem;
            color: #fff;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(145deg, #2563eb, #38bdf8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }
        .nav-links a {
            padding: 0.7rem 1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #cbd5e1;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(37, 99, 235, 0.18);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.5), rgba(56, 189, 248, 0.35));
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.28);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }
        .btn-login {
            padding: 0.65rem 1.15rem;
            border: 1px solid rgba(56, 189, 248, 0.45);
            color: #bae6fd;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: #38bdf8;
            color: #fff;
        }
        .btn-signup {
            padding: 0.7rem 1.35rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(148, 163, 184, 0.3);
            color: #e2e8f0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .mobile-menu-toggle svg {
            width: 22px;
            height: 22px;
        }
        /* Article Header */
        .article-hero {
            position: relative;
            padding-top: 6.5rem;
            padding-bottom: 2.5rem;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(37, 99, 235, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 45%),
                var(--bg-deep);
            border-bottom: 1px solid rgba(59, 130, 246, 0.12);
        }
        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/6ce901a85d441425.jpg');
            background-position: center;
            background-size: cover;
            opacity: 0.12;
            pointer-events: none;
        }
        .article-hero-content {
            position: relative;
            z-index: 1;
            max-width: 860px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #94a3b8;
            margin-bottom: 1.1rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #60a5fa;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: #93c5fd;
        }
        .breadcrumb-sep {
            color: #475569;
        }
        .article-cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.18);
            border: 1px solid rgba(56, 189, 248, 0.35);
            color: #bae6fd;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .article-title {
            font-size: 2.15rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }
        .article-meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #475569;
        }
        /* Article Body */
        .article-body-wrapper {
            padding: 3rem 0 4rem;
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 2.5rem;
            align-items: start;
        }
        .article-main-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
        }
        .article-body {
            color: #cbd5e1;
            font-size: 1.02rem;
            line-height: 1.7;
        }
        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: #fff;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            letter-spacing: -0.01em;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #f1f5f9;
            margin-top: 1.4rem;
            margin-bottom: 0.65rem;
        }
        .article-body p {
            margin-bottom: 1rem;
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.4rem;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 0.45rem;
        }
        .article-body a {
            color: #60a5fa;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: #93c5fd;
        }
        .article-body blockquote {
            border-left: 4px solid #2563eb;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(37, 99, 235, 0.08);
            border-radius: 0 0.75rem 0.75rem 0;
            color: #e2e8f0;
            font-style: italic;
        }
        .article-body img {
            border-radius: 0.85rem;
            margin: 1.4rem 0;
            border: 1px solid rgba(59, 130, 246, 0.15);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4rem 0;
            font-size: 0.92rem;
        }
        .article-body th, .article-body td {
            padding: 0.75rem 1rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
            text-align: left;
        }
        .article-body th {
            background: rgba(37, 99, 235, 0.18);
            color: #f1f5f9;
            font-weight: 600;
        }
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: sticky;
            top: 100px;
        }
        .sidebar-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .sidebar-cta-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 0.8rem 1.4rem;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
            text-align: center;
        }
        .sidebar-cta-link:hover {
            box-shadow: var(--shadow-cyber);
            transform: translateY(-2px);
        }
        .sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .sidebar-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.55rem;
            color: #cbd5e1;
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .sidebar-list svg {
            width: 18px;
            height: 18px;
            color: #38bdf8;
            flex-shrink: 0;
            margin-top: 2px;
        }
        /* Promo Card */
        .promo-card-mini {
            background: linear-gradient(145deg, rgba(37, 99, 235, 0.22), rgba(56, 189, 248, 0.12));
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            text-align: center;
        }
        .promo-card-mini .promo-amount {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .promo-card-mini .promo-label {
            font-size: 0.85rem;
            color: #bae6fd;
            margin-top: 0.2rem;
        }
        /* Section general */
        .section-block {
            padding: 3.5rem 0;
        }
        .section-heading {
            text-align: left;
            margin-bottom: 2rem;
        }
        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }
        .section-heading p {
            color: #94a3b8;
            font-size: 0.98rem;
            max-width: 620px;
        }
        /* Params Table */
        .params-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .params-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .params-table th, .params-table td {
            padding: 1rem 1.4rem;
            text-align: left;
            border-bottom: 1px solid rgba(59, 130, 246, 0.14);
        }
        .params-table th {
            background: rgba(37, 99, 235, 0.16);
            color: #f1f5f9;
            font-weight: 600;
            white-space: nowrap;
            width: 30%;
        }
        .params-table td {
            color: #cbd5e1;
        }
        .params-table tr:last-child th, .params-table tr:last-child td {
            border-bottom: none;
        }
        .param-highlight {
            color: #60a5fa;
            font-weight: 600;
        }
        /* Screenshot Carousel */
        .carousel-track {
            display: flex;
            gap: 1.25rem;
            overflow-x: auto;
            padding-bottom: 1.25rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            cursor: grab;
        }
        .carousel-track::-webkit-scrollbar {
            height: 6px;
        }
        .carousel-track::-webkit-scrollbar-track {
            background: rgba(59, 130, 246, 0.08);
            border-radius: 999px;
        }
        .carousel-track::-webkit-scrollbar-thumb {
            background: rgba(37, 99, 235, 0.5);
            border-radius: 999px;
        }
        .screenshot-slide {
            flex: 0 0 280px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            background: #081229;
            box-shadow: 0 8px 28px rgba(0,0,0,0.3);
            transition: all 0.3s ease;
        }
        .screenshot-slide:hover {
            border-color: rgba(56, 189, 248, 0.5);
            box-shadow: var(--shadow-cyber);
            transform: translateY(-3px);
        }
        .screenshot-slide img {
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }
        .screenshot-slide .slide-caption {
            padding: 0.85rem 1rem;
            font-size: 0.85rem;
            color: #94a3b8;
            border-top: 1px solid rgba(59, 130, 246, 0.12);
        }
        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.3), rgba(56, 189, 248, 0.15));
            border: 1px solid rgba(56, 189, 248, 0.4);
            border-radius: var(--radius-lg);
            padding: 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .cta-banner h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 0.4rem;
        }
        .cta-banner p {
            color: #cbd5e1;
            font-size: 0.95rem;
            max-width: 560px;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2rem;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .btn-cta-large:hover {
            box-shadow: var(--shadow-cyber);
            transform: translateY(-2px);
        }
        /* Trust strip */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.25rem;
        }
        .trust-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            transition: all 0.3s ease;
        }
        .trust-item:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: var(--shadow-cyber);
        }
        .trust-item .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .trust-item .trust-icon svg {
            width: 20px;
            height: 20px;
            color: #38bdf8;
        }
        .trust-item h3 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        .trust-item p {
            font-size: 0.87rem;
            color: #94a3b8;
            line-height: 1.5;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.35);
        }
        .faq-item summary {
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: #f1f5f9;
            font-size: 0.98rem;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            color: #60a5fa;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: #94a3b8;
            font-size: 0.92rem;
            line-height: 1.65;
        }
        /* Footer */
        .site-footer {
            background: #020617;
            border-top: 1px solid rgba(59, 130, 246, 0.14);
            padding: 3.5rem 0 2rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.6;
            max-width: 320px;
            margin-bottom: 1.2rem;
        }
        .payment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .payment-badge {
            padding: 0.4rem 0.85rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(59, 130, 246, 0.25);
            font-size: 0.8rem;
            font-weight: 600;
            color: #cbd5e1;
            white-space: nowrap;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.9rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: #94a3b8;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: #60a5fa;
        }
        .footer-bottom {
            border-top: 1px solid rgba(59, 130, 246, 0.1);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: #64748b;
        }
        /* Mobile FAB */
        .fab-mobile {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #2563eb, #38bdf8);
            border: 2px solid rgba(56, 189, 248, 0.6);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-mobile:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.6);
            transform: scale(1.1);
        }
        .fab-mobile svg {
            width: 26px;
            height: 26px;
            color: #fff;
        }
        .fab-mobile .fab-notif {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #dc2626;
            border: 2px solid #fff;
            animation: pulse-notif 2s infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes pulse-notif {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: minmax(0, 1fr) 280px;
                gap: 1.8rem;
            }
            .article-title {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 78px;
                left: 0;
                right: 0;
                background: rgba(2, 6, 23, 0.98);
                flex-direction: column;
                padding: 1.2rem 1.5rem;
                gap: 0.35rem;
                border-bottom: 1px solid rgba(59, 130, 246, 0.2);
                box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 0.8rem 1rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-actions {
                gap: 0.4rem;
            }
            .btn-login, .btn-signup {
                padding: 0.55rem 0.9rem;
                font-size: 0.82rem;
                white-space: nowrap;
            }
            .article-layout {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .article-sidebar {
                position: static;
                flex-direction: column;
            }
            .article-main-card {
                padding: 1.25rem;
            }
            .article-title {
                font-size: 1.6rem;
            }
            .article-hero {
                padding-top: 5.5rem;
            }
            .cta-banner {
                padding: 1.5rem;
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }
            .screenshot-slide {
                flex: 0 0 240px;
            }
            .params-table th, .params-table td {
                padding: 0.7rem 0.9rem;
                font-size: 0.85rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab-mobile {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
            .nav-wrap {
                min-height: 68px;
            }
            .logo {
                font-size: 1.1rem;
                gap: 0.4rem;
            }
            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
                border-radius: 10px;
            }
            .btn-login {
                padding: 0.5rem 0.8rem;
                font-size: 0.78rem;
            }
            .btn-signup {
                padding: 0.5rem 0.8rem;
                font-size: 0.78rem;
            }
            .article-title {
                font-size: 1.4rem;
            }
            .article-main-card {
                padding: 1rem;
                border-radius: 0.85rem;
            }
            .section-block {
                padding: 2.5rem 0;
            }
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .screenshot-slide {
                flex: 0 0 210px;
            }
            .cta-banner h2 {
                font-size: 1.15rem;
            }
            .btn-cta-large {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #030712;
            --bg-navy: #081229;
            --accent-blue: #2563eb;
            --accent-cyan: #38bdf8;
            --accent-soft: #60a5fa;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --glass-bg: rgba(15, 23, 42, 0.62);
            --glass-border: rgba(59, 130, 246, 0.18);
            --radius-lg: 1.25rem;
            --radius-md: 0.95rem;
            --radius-sm: 0.6rem;
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.28);
            --shadow-cyan: 0 0 24px rgba(56, 189, 248, 0.35);
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button, input, select, textarea {
            font-family: inherit;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.16);
            transition: background 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(2, 6, 23, 0.94);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 1.25rem;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            font-size: 1.32rem;
            color: #fff;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(145deg, #2563eb, #38bdf8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }
        .nav-links a {
            padding: 0.7rem 1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #cbd5e1;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(37, 99, 235, 0.18);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.5), rgba(56, 189, 248, 0.35));
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.28);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }
        .btn-login {
            padding: 0.65rem 1.15rem;
            border: 1px solid rgba(56, 189, 248, 0.45);
            color: #bae6fd;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: #38bdf8;
            color: #fff;
        }
        .btn-login:focus-visible,
        .btn-signup:focus-visible,
        .nav-links a:focus-visible {
            outline: 2px solid #38bdf8;
            outline-offset: 2px;
        }
        .btn-signup {
            padding: 0.7rem 1.35rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(148, 163, 184, 0.3);
            color: #e2e8f0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .mobile-menu-toggle svg {
            width: 22px;
            height: 22px;
        }
        /* Category Hero */
        .cat-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 6.5rem;
            padding-bottom: 3rem;
        }
        .cat-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/abe37348454d5244.jpg');
            background-position: center;
            background-size: cover;
            filter: saturate(0.6) contrast(1.05) brightness(0.55);
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(90deg, rgba(3, 7, 18, 0.93) 0%, rgba(8, 18, 41, 0.75) 50%, rgba(3, 7, 18, 0.45) 100%);
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .promo-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.15rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.22);
            border: 1px solid rgba(56, 189, 248, 0.45);
            color: #bae6fd;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .promo-tag .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #38bdf8;
            box-shadow: 0 0 8px #38bdf8;
            animation: pulseDot 1.8s infinite ease-in-out;
        }
        @keyframes pulseDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.45; transform: scale(0.8); }
        }
        .cat-hero h1 {
            margin-top: 1.25rem;
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
            color: #fff;
        }
        .cat-hero h1 .highlight {
            background: linear-gradient(135deg, #60a5fa, #38bdf8);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .cat-hero-sub {
            margin-top: 1.1rem;
            font-size: 1.15rem;
            color: #cbd5e1;
            max-width: 600px;
            line-height: 1.65;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
            margin-top: 1.8rem;
        }
        .btn-primary-glow {
            padding: 0.9rem 2rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 28px rgba(37, 99, 235, 0.55);
            transition: var(--transition-base);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary-glow:hover {
            box-shadow: 0 0 42px rgba(56, 189, 248, 0.75);
            transform: translateY(-2px);
        }
        .btn-outline-cyan {
            padding: 0.9rem 2rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 600;
            color: #bae6fd;
            border: 1px solid rgba(56, 189, 248, 0.5);
            background: rgba(56, 189, 248, 0.08);
            transition: var(--transition-base);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline-cyan:hover {
            background: rgba(56, 189, 248, 0.16);
            border-color: #38bdf8;
            color: #fff;
        }
        .hero-meta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 1.8rem;
        }
        .hero-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid rgba(148, 163, 184, 0.2);
            font-size: 0.85rem;
            color: #cbd5e1;
            font-weight: 500;
        }
        .hero-meta-badge svg {
            width: 16px;
            height: 16px;
            color: #38bdf8;
        }
        /* Sections */
        .section {
            padding: 4.5rem 0;
            position: relative;
        }
        .section-alt {
            background: rgba(8, 18, 41, 0.55);
            border-top: 1px solid rgba(59, 130, 246, 0.1);
            border-bottom: 1px solid rgba(59, 130, 246, 0.1);
        }
        .section-heading {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            line-height: 1.2;
        }
        .section-title .accent {
            background: linear-gradient(135deg, #60a5fa, #38bdf8);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.65;
        }
        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .metric-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition-base);
        }
        .metric-card:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .metric-value .unit {
            font-size: 1.2rem;
            font-weight: 600;
            color: #38bdf8;
            margin-left: 0.15rem;
        }
        .metric-label {
            margin-top: 0.45rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        /* Game Category Grid */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .cat-card {
            position: relative;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.4rem;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition-base);
            overflow: hidden;
        }
        .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #2563eb, #38bdf8);
            opacity: 0;
            transition: var(--transition-base);
        }
        .cat-card:hover {
            border-color: rgba(56, 189, 248, 0.38);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .cat-card:hover::before {
            opacity: 1;
        }
        .cat-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(145deg, rgba(37, 99, 235, 0.35), rgba(56, 189, 248, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            border: 1px solid rgba(56, 189, 248, 0.3);
        }
        .cat-card-icon svg {
            width: 26px;
            height: 26px;
            color: #38bdf8;
        }
        .cat-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .cat-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .cat-card .cat-tag {
            display: inline-block;
            margin-top: 0.9rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.18);
            border: 1px solid rgba(56, 189, 248, 0.3);
            font-size: 0.75rem;
            font-weight: 600;
            color: #bae6fd;
        }
        /* Feature Games */
        .feature-games {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .game-feature-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition-base);
        }
        .game-feature-card:hover {
            border-color: rgba(56, 189, 248, 0.38);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .game-feature-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .game-feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-feature-card:hover .game-feature-img img {
            transform: scale(1.06);
        }
        .game-feature-img .game-overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            background: rgba(3, 7, 18, 0.8);
            border: 1px solid rgba(56, 189, 248, 0.4);
            font-size: 0.75rem;
            font-weight: 700;
            color: #38bdf8;
            letter-spacing: 0.05em;
            backdrop-filter: blur(6px);
        }
        .game-feature-body {
            padding: 1.25rem 1.4rem 1.5rem;
        }
        .game-feature-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .game-feature-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* Advantage List */
        .adv-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        .adv-item {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.5rem;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition-base);
        }
        .adv-item:hover {
            border-color: rgba(56, 189, 248, 0.38);
            box-shadow: var(--shadow-glow);
        }
        .adv-item-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.22);
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .adv-item-icon svg {
            width: 22px;
            height: 22px;
            color: #38bdf8;
        }
        .adv-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        .adv-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .news-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: rgba(56, 189, 248, 0.38);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .news-card-body {
            padding: 1.4rem 1.5rem 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-category {
            font-size: 0.75rem;
            font-weight: 700;
            color: #38bdf8;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 0.7rem;
        }
        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            margin-bottom: 0.6rem;
        }
        .news-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .news-card-time {
            margin-top: 1rem;
            font-size: 0.8rem;
            color: #64748b;
            font-weight: 500;
        }
        /* Trust */
        .trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            align-items: center;
            justify-content: space-between;
            padding: 2.5rem 2rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .trust-item svg {
            width: 34px;
            height: 34px;
            color: #38bdf8;
            flex-shrink: 0;
        }
        .trust-item span {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e2e8f0;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: var(--transition-base);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.22);
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }
        .faq-item summary .faq-icon svg {
            width: 14px;
            height: 14px;
            color: #38bdf8;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.3rem;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.28), rgba(56, 189, 248, 0.14));
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 1.5rem;
            padding: 3rem 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-glow);
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 0.8rem;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 620px;
            margin: 0 auto 1.8rem;
            line-height: 1.65;
        }
        .cta-box .btn-primary-glow {
            font-size: 1.1rem;
            padding: 1rem 2.4rem;
        }
        /* Footer */
        .site-footer {
            background: rgba(3, 7, 18, 0.92);
            border-top: 1px solid rgba(59, 130, 246, 0.14);
            padding: 3.5rem 0 1.8rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 380px;
        }
        .payment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.2rem;
        }
        .payment-badge {
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.16);
            border: 1px solid rgba(56, 189, 248, 0.25);
            font-size: 0.75rem;
            font-weight: 600;
            color: #bae6fd;
            white-space: nowrap;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: #38bdf8;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.12);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #64748b;
        }
        /* FAB */
        .fab-float {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
        }
        .fab-btn::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #38bdf8, #ec4899);
            z-index: -1;
            opacity: 0.7;
            transition: opacity 0.3s ease;
        }
        .fab-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 34px rgba(6, 182, 212, 0.7);
        }
        .fab-btn:hover::before {
            opacity: 1;
        }
        .fab-btn:active {
            transform: scale(0.95);
        }
        .fab-btn svg {
            width: 26px;
            height: 26px;
            color: #fff;
        }
        .fab-notif {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #ef4444;
            border: 2px solid #030712;
            animation: fabPulse 1.5s infinite ease-in-out;
        }
        @keyframes fabPulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.35); opacity: 0.65; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .cat-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-games { grid-template-columns: repeat(2, 1fr); }
            .news-list { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .cat-hero h1 { font-size: 2.6rem; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 78px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(3, 7, 18, 0.97);
                border-bottom: 1px solid rgba(59, 130, 246, 0.2);
                padding: 1rem;
                gap: 0.35rem;
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 0.8rem 1rem;
                border-radius: 12px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.55rem 0.9rem;
                font-size: 0.82rem;
            }
            .cat-hero {
                min-height: 520px;
                padding-top: 5.5rem;
            }
            .cat-hero h1 { font-size: 2.1rem; }
            .cat-hero-sub { font-size: 1rem; }
            .section { padding: 3rem 0; }
            .section-title { font-size: 1.7rem; }
            .metrics-grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
            .metric-card { padding: 1.2rem 1rem; }
            .metric-value { font-size: 1.8rem; }
            .cat-grid { grid-template-columns: 1fr; gap: 0.8rem; }
            .feature-games { grid-template-columns: 1fr; gap: 1rem; }
            .news-list { grid-template-columns: 1fr; gap: 1rem; }
            .adv-list { grid-template-columns: 1fr; gap: 0.8rem; }
            .trust-strip { flex-direction: column; gap: 1.2rem; align-items: flex-start; padding: 1.8rem 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
            .cta-box { padding: 2.2rem 1.5rem; }
            .cta-box h2 { font-size: 1.6rem; }
            .fab-float { bottom: 5rem; left: 0.75rem; }
            .fab-btn { width: 50px; height: 50px; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 0.75rem; padding-right: 0.75rem; }
            .nav-wrap { min-height: 64px; }
            .logo { font-size: 1.05rem; }
            .logo .logo-icon { width: 30px; height: 30px; font-size: 0.9rem; border-radius: 10px; }
            .nav-actions .btn-login { display: none; }
            .cat-hero { min-height: 460px; padding-top: 4.5rem; }
            .cat-hero h1 { font-size: 1.7rem; }
            .cat-hero-sub { font-size: 0.92rem; }
            .hero-cta-row { flex-direction: column; }
            .btn-primary-glow, .btn-outline-cyan { width: 100%; justify-content: center; }
            .section-title { font-size: 1.45rem; }
            .metrics-grid { grid-template-columns: 1fr; }
            .metric-value { font-size: 1.6rem; }
            .cat-card { padding: 1.25rem 1.1rem; }
            .game-feature-body { padding: 1rem 1.1rem 1.2rem; }
            .news-card-body { padding: 1.1rem 1.1rem 1.3rem; }
            .adv-item { padding: 1.1rem 1.1rem; }
            .trust-strip { padding: 1.4rem 1.1rem; }
            .faq-item summary { padding: 1rem 1.1rem; font-size: 0.92rem; }
            .faq-answer { padding: 0 1.1rem 1.1rem; font-size: 0.85rem; }
            .footer-bottom { flex-direction: column; text-align: center; gap: 0.4rem; }
            .cta-box h2 { font-size: 1.35rem; }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #030712;
            --bg-navy: #081229;
            --accent-blue: #2563eb;
            --accent-cyan: #38bdf8;
            --accent-soft: #60a5fa;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --glass-bg: rgba(15, 23, 42, 0.62);
            --glass-border: rgba(59, 130, 246, 0.18);
            --radius-lg: 1.25rem;
            --radius-md: 0.95rem;
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.28);
            --shadow-glow-strong: 0 0 40px rgba(56, 189, 248, 0.45);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.16);
            transition: background 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(2, 6, 23, 0.94);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 1.25rem;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            font-size: 1.32rem;
            color: #fff;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(145deg, #2563eb, #38bdf8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            padding: 0.7rem 1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #cbd5e1;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(37, 99, 235, 0.18);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.5), rgba(56, 189, 248, 0.35));
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.28);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }
        .btn-login {
            padding: 0.65rem 1.15rem;
            border: 1px solid rgba(56, 189, 248, 0.45);
            color: #bae6fd;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: #38bdf8;
            color: #fff;
        }
        .btn-signup {
            padding: 0.7rem 1.35rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(148, 163, 184, 0.3);
            color: #e2e8f0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .mobile-menu-toggle svg {
            width: 22px;
            height: 22px;
        }
        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 5.5rem;
            padding-bottom: 3rem;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/6ce901a85d441425.jpg');
            background-position: center;
            background-size: cover;
            filter: saturate(0.7) contrast(1.05);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(90deg, rgba(3, 7, 18, 0.91) 0%, rgba(8, 18, 41, 0.72) 48%, rgba(3, 7, 18, 0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.4);
            color: #bae6fd;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .hero-title {
            margin-top: 1.2rem;
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #fff;
        }
        .hero-subtitle {
            margin-top: 1.2rem;
            font-size: 1.1rem;
            line-height: 1.7;
            color: #cbd5e1;
            max-width: 620px;
        }
        .hero-actions {
            display: flex;
            gap: 0.8rem;
            margin-top: 1.8rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            padding: 0.85rem 1.8rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 28px rgba(37, 99, 235, 0.55);
            transition: all 0.3s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            box-shadow: 0 0 44px rgba(56, 189, 248, 0.75);
            transform: translateY(-2px);
        }
        .btn-secondary {
            padding: 0.85rem 1.8rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #bae6fd;
            border: 1px solid rgba(56, 189, 248, 0.5);
            background: transparent;
            transition: all 0.3s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-secondary:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: #38bdf8;
            color: #fff;
        }
        .countdown-bar {
            margin-top: 1.8rem;
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            padding: 0.65rem 1.4rem;
            border-radius: 999px;
            background: rgba(3, 7, 18, 0.7);
            border: 1px solid rgba(37, 99, 235, 0.3);
            backdrop-filter: blur(10px);
            flex-wrap: wrap;
        }
        .countdown-bar span {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e2e8f0;
        }
        .countdown-timer {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            font-weight: 800;
            font-size: 1.1rem;
            color: #38bdf8;
            font-variant-numeric: tabular-nums;
        }
        /* Section base */
        .section-block {
            padding: 4rem 0;
        }
        .section-block.alt-bg {
            background-color: #060a16;
        }
        .section-heading {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }
        .section-subheading {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 680px;
        }
        .section-header-left {
            margin-bottom: 2.5rem;
        }
        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.25rem;
        }
        .metric-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.4rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all 0.35s ease;
        }
        .metric-card:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: 0 8px 30px rgba(37, 99, 235, 0.2);
            transform: translateY(-3px);
        }
        .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #38bdf8;
            margin-bottom: 1rem;
        }
        .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.01em;
        }
        .metric-label {
            margin-top: 0.4rem;
            font-size: 0.92rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        /* Guide matrix */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.25rem;
        }
        .guide-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all 0.35s ease;
            border-left: 3px solid rgba(56, 189, 248, 0.5);
        }
        .guide-card:hover {
            border-color: rgba(56, 189, 248, 0.45);
            border-left-color: #38bdf8;
            box-shadow: 0 0 32px rgba(37, 99, 235, 0.25);
            transform: translateY(-4px);
        }
        .guide-card-icon {
            font-size: 1.8rem;
            color: #38bdf8;
            margin-bottom: 0.8rem;
        }
        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: -0.005em;
        }
        .guide-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        /* Comparison */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: start;
        }
        .compare-panel {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .compare-panel.bad {
            border-color: rgba(239, 68, 68, 0.3);
            background: rgba(15, 23, 42, 0.5);
        }
        .compare-panel.good {
            border-color: rgba(16, 185, 129, 0.4);
            background: rgba(6, 32, 20, 0.5);
        }
        .compare-panel h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            color: #fff;
        }
        .compare-panel.bad h3 {
            color: #fca5a5;
        }
        .compare-panel.good h3 {
            color: #6ee7b7;
        }
        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-list li {
            padding: 0.55rem 0;
            font-size: 0.92rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            line-height: 1.55;
        }
        .compare-list li .icon-x {
            color: #ef4444;
            font-weight: 700;
            flex-shrink: 0;
        }
        .compare-list li .icon-check {
            color: #10b981;
            font-weight: 700;
            flex-shrink: 0;
        }
        /* Steps timeline */
        .timeline-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            position: relative;
        }
        .timeline-item {
            display: flex;
            gap: 1.4rem;
            align-items: flex-start;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.6rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all 0.3s ease;
        }
        .timeline-item:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: 0 6px 28px rgba(37, 99, 235, 0.2);
        }
        .timeline-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
        }
        .timeline-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.35rem;
        }
        .timeline-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.25rem;
        }
        .news-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all 0.35s ease;
        }
        .news-card:hover {
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: 0 0 28px rgba(37, 99, 235, 0.2);
            transform: translateY(-3px);
        }
        .news-card-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--glass-border);
        }
        .news-card-body {
            padding: 1.3rem 1.4rem;
        }
        .news-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 0.6rem;
        }
        .news-card-body h3 a:hover {
            color: #38bdf8;
        }
        .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            margin-top: 0.8rem;
            display: flex;
            gap: 1rem;
            font-size: 0.78rem;
            color: #64748b;
            font-weight: 500;
        }
        .empty-state {
            text-align: center;
            padding: 2.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
        }
        /* Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.25rem;
        }
        .guarantee-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.4rem;
            text-align: left;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .guarantee-item i {
            font-size: 1.6rem;
            color: #38bdf8;
            margin-bottom: 0.7rem;
        }
        .guarantee-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .guarantee-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* Quick answers */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1rem;
        }
        .quick-item {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.1rem 1.2rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .quick-item-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #38bdf8;
        }
        .quick-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.4rem;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: all 0.25s ease;
        }
        .faq-question:hover {
            color: #bae6fd;
        }
        .faq-question .faq-icon {
            transition: transform 0.3s ease;
            color: #38bdf8;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        /* Conversion form */
        .cta-form-wrap {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(3, 7, 18, 0.7));
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 1.5rem;
            padding: 2.5rem 2rem;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }
        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .cta-form-info h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 0.8rem;
        }
        .cta-form-info p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 0.4rem;
        }
        .form-input {
            width: 100%;
            padding: 0.8rem 1.1rem;
            border-radius: 12px;
            background: rgba(3, 7, 18, 0.7);
            border: 1px solid rgba(59, 130, 246, 0.3);
            color: #fff;
            font-size: 0.92rem;
            transition: all 0.25s ease;
            outline: none;
        }
        .form-input:focus {
            border-color: #38bdf8;
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
        }
        .form-input::placeholder {
            color: #475569;
        }
        .btn-submit-full {
            width: 100%;
            padding: 0.9rem 1.5rem;
            border-radius: 12px;
            font-size: 0.98rem;
            font-weight: 700;
            color: #fff;
            border: none;
            background: linear-gradient(135deg, #2563eb, #38bdf8);
            box-shadow: 0 0 26px rgba(37, 99, 235, 0.5);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-submit-full:hover {
            box-shadow: 0 0 42px rgba(56, 189, 248, 0.75);
            transform: translateY(-2px);
        }
        .form-note {
            margin-top: 0.8rem;
            font-size: 0.8rem;
            color: #64748b;
            text-align: center;
        }
        /* FAB */
        .fab-cyber {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.65rem 1.1rem;
            border-radius: 999px;
            background: rgba(3, 7, 18, 0.78);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, #2563eb, #38bdf8) 1;
            box-shadow: 0 0 22px rgba(37, 99, 235, 0.5);
            transition: all 0.35s ease;
            cursor: pointer;
            min-width: 56px;
            min-height: 56px;
            justify-content: center;
            opacity: 0.8;
        }
        .fab-cyber:hover {
            opacity: 1;
            box-shadow: 0 0 36px rgba(56, 189, 248, 0.7);
            transform: scale(1.05);
        }
        .fab-cyber:active {
            transform: scale(0.95);
        }
        .fab-cyber .fab-icon {
            font-size: 1.15rem;
            font-weight: 800;
            color: #38bdf8;
            letter-spacing: -0.01em;
        }
        .fab-cyber .fab-notification {
            width: 22px;
            height: 22px;
            background: #ef4444;
            border-radius: 50%;
            font-size: 0.6rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            top: -6px;
            right: -6px;
            box-shadow: 0 0 12px rgba(239, 68, 68, 0.7);
            animation: fabPulse 2s infinite;
        }
        @keyframes fabPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        /* Footer */
        .site-footer {
            background: #020617;
            border-top: 1px solid rgba(59, 130, 246, 0.15);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 0.75rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 1.2rem;
        }
        .payment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .payment-badge {
            padding: 0.35rem 0.8rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.3);
            font-size: 0.78rem;
            font-weight: 600;
            color: #bae6fd;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: #38bdf8;
        }
        .footer-bottom {
            border-top: 1px solid rgba(59, 130, 246, 0.15);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: #475569;
        }
        /* Mobile menu */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 78px;
                left: 0;
                width: 100%;
                background: rgba(3, 7, 18, 0.97);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(59, 130, 246, 0.2);
                flex-direction: column;
                align-items: stretch;
                padding: 1rem;
                gap: 0.3rem;
                z-index: 40;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.9rem 1.2rem;
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.1rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .section-block {
                padding: 3rem 0;
            }
            .section-heading {
                font-size: 1.6rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .nav-wrap {
                min-height: 68px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
                border-radius: 10px;
            }
            .btn-login {
                padding: 0.5rem 0.8rem;
                font-size: 0.8rem;
            }
            .btn-signup {
                padding: 0.55rem 0.9rem;
                font-size: 0.8rem;
            }
            .hero {
                min-height: auto;
                padding-top: 6rem;
                padding-bottom: 2rem;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .fab-cyber {
                left: 0.75rem;
                bottom: 4.5rem;
                padding: 0.5rem 0.8rem;
                min-height: 48px;
                min-width: 48px;
            }
        }