/* roulang page: index */
:root {
            --bg-primary: #030B1A;
            --bg-secondary: #061229;
            --bg-card: rgba(13, 27, 58, 0.65);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(37, 99, 235, 0.45);
            --text-primary: #F8FAFC;
            --text-secondary: #B0C4DE;
            --text-muted: #7B8FA6;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-gold: #F59E0B;
            --accent-red: #EF4444;
            --font-sans: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 45px rgba(56, 189, 248, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --max-width: 1280px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 40%, rgba(6, 18, 41, 0.9) 0%, var(--bg-primary) 75%);
            background-attachment: fixed;
        }

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

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

        a:hover {
            color: #6DD5FA;
            text-decoration: none;
        }

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

        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-block--alt {
            background: rgba(6, 18, 41, 0.55);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            padding: 0.45rem 1.1rem;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 100px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2.5rem;
        }

        .section-title--left,
        .section-desc--left {
            text-align: left;
        }

        .section-title--center,
        .section-desc--center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 640px) {
            :root {
                --spacing-section: 3.5rem;
            }
            .site-container {
                padding: 0 1rem;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(3, 11, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(3, 11, 26, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 1.5rem;
        }

        .nav-logo {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
        }

        .nav-logo .logo-text-short {
            display: inline;
            font-size: 0.95rem;
        }
        .nav-logo .logo-text-full {
            display: none;
        }

        @media (min-width: 1000px) {
            .nav-logo .logo-text-short {
                display: none;
            }
            .nav-logo .logo-text-full {
                display: inline;
            }
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.1);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.2);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 0.55rem 1.25rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-glass);
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: #fff;
            background: rgba(56, 189, 248, 0.08);
        }

        .btn-signup {
            padding: 0.55rem 1.4rem;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 30px rgba(56, 189, 248, 0.5);
            transform: translateY(-1px);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 1.2rem;
            transition: var(--transition);
        }

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

        @media (max-width: 999px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(3, 11, 26, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 1rem 1.5rem 1.5rem;
                border-bottom: 1px solid var(--border-glass);
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }

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

            .nav-links li a {
                padding: 0.85rem 1rem;
                font-size: 1rem;
                border-radius: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions {
                margin-left: auto;
            }
        }

        @media (max-width: 480px) {
            .nav-bar {
                min-height: 62px;
                gap: 0.75rem;
            }
            .nav-logo {
                font-size: 0.9rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .btn-login {
                padding: 0.45rem 0.9rem;
                font-size: 0.78rem;
            }
            .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.78rem;
            }
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            padding: 5rem 0 4.5rem;
            background:
                linear-gradient(180deg, rgba(3, 11, 26, 0.75) 0%, rgba(3, 11, 26, 0.9) 100%),
                url('/assets/images/bdc30e932994fa25.jpg') center center / cover no-repeat;
            min-height: 680px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border-glass);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 40%, rgba(37, 99, 235, 0.18) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.2rem;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.3);
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #FCD34D;
            margin-bottom: 1.5rem;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 1.25rem;
            color: #fff;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), #6DD5FA);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 2rem;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 1.8rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-glass);
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.06);
            color: #fff;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.75rem;
        }

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

        .hero-stat .stat-number {
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-referral-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .hero-referral-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(56, 189, 248, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .referral-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.25rem;
        }

        .referral-header .reward-icon {
            width: 46px;
            height: 46px;
            background: linear-gradient(135deg, #F59E0B, #FCD34D);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #1a1a2e;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .referral-header h2 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.3;
        }

        .referral-reward-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .referral-reward-list li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .referral-reward-list li i {
            color: #FCD34D;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .referral-progress-wrap {
            margin-bottom: 1.5rem;
        }

        .referral-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }

        .referral-progress-label span:last-child {
            color: #FCD34D;
            font-weight: 700;
        }

        .progress-track {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 100px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 100px;
            transition: width 0.6s ease;
            box-shadow: 0 0 12px rgba(37, 99, 235, 0.5);
        }

        .btn-invite {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            width: 100%;
            padding: 0.9rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 700;
            color: #1a1a2e;
            background: linear-gradient(135deg, #FBBF24, #F59E0B);
            border: none;
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.3);
            white-space: nowrap;
        }

        .btn-invite:hover {
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 999px) {
            .hero-section {
                padding: 4rem 0;
                min-height: auto;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .hero-referral-card {
                max-width: 480px;
            }
        }

        @media (max-width: 640px) {
            .hero-section {
                padding: 3rem 0;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                width: 100%;
            }
            .hero-stats {
                gap: 1.25rem;
            }
            .hero-stat .stat-number {
                font-size: 1.35rem;
            }
        }

        /* ===== CARDS GENERIC ===== */
        .card-grid {
            display: grid;
            gap: 1.5rem;
        }

        .card-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .card-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }

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

        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .glass-card .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .glass-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

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

        @media (max-width: 999px) {
            .card-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid--3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .card-grid--4,
            .card-grid--3,
            .card-grid--2 {
                grid-template-columns: 1fr;
            }
            .glass-card {
                padding: 1.25rem;
            }
        }

        /* ===== PROBLEM SECTION ===== */
        .problem-list {
            display: grid;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .problem-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .problem-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(239, 68, 68, 0.3);
        }

        .problem-item .problem-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            background: rgba(239, 68, 68, 0.1);
            color: var(--accent-red);
            flex-shrink: 0;
            border: 1px solid rgba(239, 68, 68, 0.25);
        }

        .problem-item .problem-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .problem-item .problem-text strong {
            color: #fff;
            display: block;
            margin-bottom: 0.25rem;
        }

        /* ===== STEPS ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            counter-reset: step;
        }

        .step-card {
            padding: 1.75rem 1.5rem;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
            counter-increment: step;
        }

        .step-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .step-card::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 50%;
            font-size: 1.1rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        @media (max-width: 999px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== RESULTS PREVIEW ===== */
        .results-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

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

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

        .results-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3, 11, 26, 0.15) 0%, rgba(3, 11, 26, 0.6) 100%);
            pointer-events: none;
        }

        .results-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .results-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .results-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .results-metric {
            display: flex;
            flex-direction: column;
        }

        .results-metric .metric-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: #FCD34D;
            letter-spacing: -0.01em;
        }

        .results-metric .metric-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .results-panel {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }
            .results-image-wrap img {
                min-height: 240px;
            }
        }

        /* ===== PAIN POINTS ===== */
        .pain-points-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .pain-card {
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .pain-card:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(239, 68, 68, 0.25);
        }

        .pain-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

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

        /* ===== SUCCESS PATH ===== */
        .success-path {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            position: relative;
            margin-top: 2rem;
        }

        .success-path::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0.4;
        }

        .path-step {
            text-align: center;
            padding: 0 1rem;
            position: relative;
            z-index: 1;
        }

        .path-dot {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.3);
            position: relative;
            z-index: 2;
        }

        .path-step h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.35rem;
        }

        .path-step p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.45;
            margin: 0;
        }

        @media (max-width: 900px) {
            .success-path {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
            .success-path::before {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .success-path {
                grid-template-columns: 1fr;
            }
        }

        /* ===== QUICK START BAR ===== */
        .quickstart-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding: 1.25rem 1.75rem;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }

        .quickstart-bar .qs-label {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .quickstart-bar .qs-code {
            flex: 1;
            min-width: 200px;
            padding: 0.75rem 1.1rem;
            background: rgba(3, 11, 26, 0.7);
            border: 1px dashed rgba(56, 189, 248, 0.35);
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            font-size: 0.85rem;
            color: #6DD5FA;
            overflow-x: auto;
            white-space: nowrap;
        }

        .quickstart-bar .btn-copy {
            padding: 0.7rem 1.5rem;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 100px;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .quickstart-bar .btn-copy:hover {
            background: rgba(56, 189, 248, 0.2);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
        }

        /* ===== OFFERS ===== */
        .offers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .offer-card {
            padding: 1.75rem;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
        }

        .offer-card.highlight-offer {
            border-color: rgba(245, 158, 11, 0.4);
            box-shadow: 0 0 28px rgba(245, 158, 11, 0.15);
        }

        .offer-card .offer-tag {
            position: absolute;
            top: 1rem;
            right: 1rem;
            padding: 0.3rem 0.8rem;
            font-size: 0.65rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.35);
            border-radius: 100px;
            color: #FCD34D;
        }

        .offer-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }

        .offer-card .offer-price {
            font-size: 1.7rem;
            font-weight: 800;
            color: #FCD34D;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .offer-card .offer-price .unit {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .offer-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .offer-card ul li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .offer-card ul li i {
            color: #34D399;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .btn-offer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            width: 100%;
            padding: 0.75rem 1.25rem;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            background: rgba(37, 99, 235, 0.25);
            border: 1px solid rgba(37, 99, 235, 0.4);
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-offer:hover {
            background: rgba(37, 99, 235, 0.4);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }

        .btn-offer.btn-offer-gold {
            background: rgba(245, 158, 11, 0.2);
            border-color: rgba(245, 158, 11, 0.4);
        }

        .btn-offer.btn-offer-gold:hover {
            background: rgba(245, 158, 11, 0.35);
            box-shadow: 0 0 24px rgba(245, 158, 11, 0.35);
        }

        @media (max-width: 999px) {
            .offers-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .offers-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CMS NEWS SECTION ===== */
        .news-section-panel {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 2rem;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            color: var(--text-primary);
        }

        .news-list-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-glow);
            color: #fff;
        }

        .news-list-item .news-thumb {
            width: 56px;
            height: 56px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.05);
        }

        .news-list-item .news-meta {
            flex: 1;
            min-width: 0;
        }

        .news-list-item .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.25rem;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-item .news-info {
            display: flex;
            gap: 0.75rem;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-recommend {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
        }

        .news-recommend h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--border-glass);
        }

        .news-recommend-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .recommend-item {
            display: block;
            padding: 0.75rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 10px;
            transition: var(--transition);
            color: var(--text-primary);
        }

        .recommend-item:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
        }

        .recommend-item .rec-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.3rem;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .recommend-item .rec-category {
            font-size: 0.72rem;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 600;
        }

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

        /* ===== SAFETY ===== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .safety-item {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .safety-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(52, 211, 153, 0.3);
        }

        .safety-item i {
            font-size: 1.4rem;
            color: #34D399;
            flex-shrink: 0;
        }

        .safety-item span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            line-height: 1.35;
        }

        @media (max-width: 999px) {
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .safety-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== TAG CLOUD ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.65rem;
        }

        .tag-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.15rem;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 100px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .tag-link:hover {
            color: #fff;
            border-color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.1);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
        }

        /* ===== FINAL CTA ===== */
        .final-cta {
            background:
                linear-gradient(180deg, rgba(3, 11, 26, 0.85) 0%, rgba(3, 11, 26, 0.95) 100%),
                url('/assets/images/5067b7c28933baf9.jpg') center center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 4rem 2.5rem;
            text-align: center;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }

        .final-cta .cta-content {
            position: relative;
            z-index: 1;
        }

        .final-cta h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .final-cta p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 650px;
            margin: 0 auto 2rem;
        }

        .final-cta .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        @media (max-width: 640px) {
            .final-cta {
                padding: 2.5rem 1.25rem;
            }
            .final-cta .cta-buttons {
                flex-direction: column;
            }
            .final-cta .btn-primary,
            .final-cta .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(3, 11, 26, 0.95);
            border-top: 1px solid var(--border-glass);
            padding: 3.5rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 1rem 0 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

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

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

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

        .footer-payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .payment-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 0.85rem;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 6px;
            transition: var(--transition);
        }

        .payment-badge:hover {
            border-color: var(--accent-cyan);
            color: #fff;
        }

        @media (max-width: 999px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== FAB ===== */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            border: 2px solid rgba(56, 189, 248, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(37, 99, 235, 0.4);
            transition: var(--transition);
            opacity: 0.85;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 8px 35px rgba(56, 189, 248, 0.55);
        }

        .fab i {
            font-size: 1.4rem;
            color: #fff;
            transition: transform 0.35s ease;
        }

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

        .fab .fab-badge {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 16px;
            height: 16px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid #fff;
            box-shadow: 0 0 8px rgba(239, 68, 68, 0.7);
            animation: fabPulse 2s infinite;
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 8px rgba(239, 68, 68, 0.7); }
            50% { box-shadow: 0 0 18px rgba(239, 68, 68, 1); }
        }

        @media (max-width: 640px) {
            .fab {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
            }
            .fab i {
                font-size: 1.2rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #030B1A;
            --bg-secondary: #061229;
            --bg-card: rgba(13, 27, 58, 0.65);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(37, 99, 235, 0.45);
            --text-primary: #F8FAFC;
            --text-secondary: #B0C4DE;
            --text-muted: #7B8FA6;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-gold: #F59E0B;
            --accent-red: #EF4444;
            --font-sans: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 45px rgba(56, 189, 248, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 4rem;
            --max-width: 1280px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 40%, rgba(6, 18, 41, 0.9) 0%, var(--bg-primary) 75%);
            background-attachment: fixed;
        }

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

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

        a:hover {
            color: #6DD5FA;
            text-decoration: none;
        }

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

        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-block--alt {
            background: rgba(6, 18, 41, 0.55);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            padding: 0.45rem 1.1rem;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 100px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2.5rem;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(3, 11, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(3, 11, 26, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
        }

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

        .nav-logo .logo-text-short {
            display: inline;
            font-size: 0.95rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: block;
            padding: 0.55rem 1rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 100px;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.2);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 0.55rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: rgba(56, 189, 248, 0.5);
        }

        .btn-signup {
            padding: 0.55rem 1.35rem;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.4);
            white-space: nowrap;
        }

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

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 0.4rem;
            border-radius: 8px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-bar {
            border-bottom: 1px solid var(--border-glass);
            padding: 1.2rem 0;
            background: rgba(3, 11, 26, 0.5);
            backdrop-filter: blur(8px);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            margin: 0;
            color: var(--text-muted);
        }

        .breadcrumb li a {
            color: var(--text-secondary);
            font-weight: 500;
        }

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

        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--text-muted);
        }

        .breadcrumb li:last-child {
            color: var(--accent-cyan);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 340px;
        }

        /* ===== ARTICLE HEADER ===== */
        .article-header-section {
            padding: 3rem 0 2rem;
            position: relative;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 1.25rem;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-cyan);
            padding: 0.4rem 1rem;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 100px;
        }

        .article-date {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .article-date i {
            font-size: 0.8rem;
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content-section {
            padding: 2rem 0 4rem;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 2.5rem;
            align-items: start;
        }

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

        .article-featured-image {
            margin-bottom: 2rem;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-glass);
        }

        .article-featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2rem 0 1rem;
            line-height: 1.3;
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 1.75rem 0 0.85rem;
            line-height: 1.35;
        }

        .article-body p {
            margin-bottom: 1.25rem;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.5rem 1.5rem;
            padding: 0;
        }

        .article-body li {
            margin-bottom: 0.6rem;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-cyan);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(56, 189, 248, 0.05);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-primary);
            font-style: italic;
        }

        .article-body a {
            color: var(--accent-cyan);
            border-bottom: 1px dashed rgba(56, 189, 248, 0.4);
        }

        .article-body a:hover {
            border-bottom-color: var(--accent-cyan);
        }

        /* ===== ARTICLE SIDEBAR ===== */
        .article-sidebar {
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px);
        }

        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-card h3 i {
            color: var(--accent-cyan);
        }

        .sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-list li {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-glass);
            margin: 0;
        }

        .sidebar-list li:last-child {
            border-bottom: none;
        }

        .sidebar-list a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            display: block;
            line-height: 1.45;
        }

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

        .sidebar-cta {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.1));
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-glow);
        }

        .sidebar-cta .cta-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .sidebar-cta h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .sidebar-cta p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
            line-height: 1.55;
        }

        .btn-glow {
            display: inline-block;
            padding: 0.8rem 2rem;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 25px rgba(37, 99, 235, 0.5);
            text-align: center;
        }

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

        /* ===== ARTICLE NOT FOUND ===== */
        .article-not-found {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px);
        }

        .article-not-found .not-found-icon {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1rem;
        }

        /* ===== RELATED CTA ===== */
        .related-cta-section {
            padding: 3rem 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(56, 189, 248, 0.04));
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .related-cta-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px);
            transition: var(--transition);
            text-align: center;
        }

        .cta-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        .cta-card .cta-card-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 0.85rem;
        }

        .cta-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .cta-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 1.25rem;
        }

        .btn-outline-light {
            display: inline-block;
            padding: 0.65rem 1.5rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-glass);
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(3, 11, 26, 0.92);
            border-top: 1px solid var(--border-glass);
            padding: 3.5rem 0 2rem;
            backdrop-filter: blur(12px);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0.85rem 0 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

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

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

        .footer-payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .payment-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.5rem 1rem;
            color: var(--text-secondary);
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .payment-badge:hover {
            border-color: var(--border-glow);
            color: var(--text-primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-glass);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-brand .nav-logo {
            font-size: 0.95rem !important;
        }

        /* ===== FAB ===== */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: 2px solid rgba(255, 255, 255, 0.25);
            box-shadow: 0 6px 25px rgba(37, 99, 235, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.35rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.8;
            animation: fab-breathe 3.5s ease-in-out infinite;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 8px 35px rgba(56, 189, 248, 0.6);
        }

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

        @keyframes fab-breathe {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-4px);
            }
        }

        .fab-support .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
            animation: fab-pulse 2s ease-in-out infinite;
        }

        @keyframes fab-pulse {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
            }
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .article-sidebar {
                position: static;
            }

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

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

            .nav-logo .logo-text-short {
                display: inline;
            }

            :root {
                --spacing-section: 3.5rem;
            }

            .nav-links a {
                padding: 0.5rem 0.75rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .nav-bar {
                flex-wrap: nowrap;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(3, 11, 26, 0.98);
                border-bottom: 1px solid var(--border-glass);
                padding: 1rem 1.5rem;
                flex-direction: column;
                align-items: stretch;
                gap: 0.25rem;
                z-index: 99;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

            .nav-links a {
                padding: 0.75rem 1rem;
                font-size: 0.9rem;
                border-radius: 8px;
            }

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

            .nav-logo .logo-text-short {
                display: inline;
                font-size: 0.85rem;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.75rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

            .footer-bottom span {
                white-space: normal;
            }

            .article-header-section {
                padding: 2rem 0 1.5rem;
            }

            .article-meta {
                gap: 0.65rem;
            }

            .article-body {
                font-size: 0.98rem;
                line-height: 1.7;
            }

            .article-featured-image img {
                aspect-ratio: 4/3;
            }

            :root {
                --spacing-section: 2.75rem;
            }

            .related-cta-grid {
                grid-template-columns: 1fr;
            }

            .breadcrumb li:last-child {
                max-width: 180px;
            }

            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                bottom: 5rem;
                left: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                padding: 0 1rem;
            }

            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
                border-radius: 7px;
            }

            .nav-logo .logo-text-short {
                font-size: 0.75rem;
            }

            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.75rem;
                font-size: 0.7rem;
            }

            .nav-actions {
                gap: 0.4rem;
            }

            .article-featured-image img {
                aspect-ratio: 3/2;
            }

            .article-body h2 {
                font-size: 1.3rem;
            }

            .article-body h3 {
                font-size: 1.1rem;
            }

            .breadcrumb {
                font-size: 0.78rem;
            }

            .breadcrumb li:last-child {
                max-width: 120px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #030B1A;
            --bg-secondary: #061229;
            --bg-card: rgba(13, 27, 58, 0.65);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(37, 99, 235, 0.45);
            --text-primary: #F8FAFC;
            --text-secondary: #B0C4DE;
            --text-muted: #7B8FA6;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-gold: #F59E0B;
            --accent-red: #EF4444;
            --font-sans: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 45px rgba(56, 189, 248, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 3.75rem;
            --max-width: 1280px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 12% 18%, rgba(37, 99, 235, 0.13) 0%, transparent 55%),
                radial-gradient(ellipse at 88% 72%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 38%, rgba(6, 18, 41, 0.9) 0%, var(--bg-primary) 78%);
            background-attachment: fixed;
        }

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

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

        a:hover {
            color: #6DD5FA;
            text-decoration: none;
        }

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

        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-block--alt {
            background: rgba(6, 18, 41, 0.55);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            padding: 0.45rem 1.1rem;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 100px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.35rem);
            font-weight: 800;
            line-height: 1.22;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2.5rem;
        }

        .section-title--left,
        .section-desc--left {
            text-align: left;
        }

        .section-title--center,
        .section-desc--center {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(3, 11, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(3, 11, 26, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 1.5rem;
        }

        .nav-logo {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
        }

        .nav-logo .logo-text-short {
            display: inline;
            font-size: 0.95rem;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.5rem 1.1rem;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .btn-signup {
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.5rem 1.25rem;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 0.4rem;
        }

        /* ===== BUTTONS ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1rem;
            font-weight: 700;
            padding: 0.85rem 1.9rem;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 22px rgba(37, 99, 235, 0.35);
            text-decoration: none;
        }

        .btn-primary:hover {
            box-shadow: 0 0 38px rgba(37, 99, 235, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1rem;
            font-weight: 700;
            padding: 0.8rem 1.8rem;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.5);
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

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

        /* ===== HERO ===== */
        .hero-category {
            padding: 4.5rem 0 3.5rem;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(3, 11, 26, 0.95) 0%, rgba(6, 18, 41, 0.9) 40%, rgba(13, 27, 58, 0.7) 100%);
            border-bottom: 1px solid var(--border-glass);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/bdc30e932994fa25.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

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

        .hero-category-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-category h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
        }

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

        .hero-category-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            max-width: 600px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.75rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-primary);
            padding: 0.45rem 1.1rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 100px;
        }

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

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .hero-qualification {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-glass);
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: -8px;
            border-radius: 24px;
            border: 1px solid rgba(56, 189, 248, 0.25);
            z-index: -1;
        }

        /* ===== CARDS GRID ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .strategy-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

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

        .strategy-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(37, 99, 235, 0.3);
            color: var(--accent-cyan);
            font-size: 1.3rem;
            margin-bottom: 1.1rem;
        }

        .strategy-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.35;
        }

        .strategy-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== SCENARIO GRID ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.75rem;
        }

        .scenario-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.5rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .scenario-item:hover {
            border-color: rgba(56, 189, 248, 0.35);
            background: rgba(255, 255, 255, 0.06);
        }

        .scenario-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .scenario-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .scenario-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== DATA STRIP ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .data-item {
            text-align: left;
            padding: 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .data-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .data-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.1;
            margin-bottom: 0.4rem;
        }

        .data-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0;
        }

        .faq-item {
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            margin-bottom: 0.75rem;
            background: var(--bg-glass);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.4rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            margin-left: 1rem;
            color: var(--accent-cyan);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 250px;
        }

        .faq-answer p {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== CTA BAND ===== */
        .cta-band {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(56, 189, 248, 0.08) 50%, rgba(3, 11, 26, 0.9) 100%);
            border: 1px solid rgba(37, 99, 235, 0.3);
            border-radius: var(--radius-lg);
            padding: 2.5rem 3rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .cta-band h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .cta-band p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            max-width: 450px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(3, 11, 26, 0.95);
            border-top: 1px solid var(--border-glass);
            padding: 3.5rem 0 2rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 1rem;
            max-width: 320px;
        }

        .footer-brand .nav-logo {
            font-size: 0.95rem;
            white-space: normal;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-primary);
            margin-bottom: 1.1rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

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

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

        .footer-payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .payment-badge {
            display: inline-flex;
            align-items: center;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--text-primary);
            padding: 0.4rem 0.9rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 6px;
            white-space: nowrap;
        }

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

        /* ===== FAB ===== */
        .fab-cyber {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(7, 7, 13, 0.8), rgba(7, 7, 13, 0.8)), linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }

        .fab-cyber:hover {
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
            transform: scale(1.08);
            color: #6DD5FA;
        }

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

        .fab-cyber .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #fff;
            animation: fab-pulse 1.8s ease-in-out infinite;
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-category-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 2.75rem;
            }

            .nav-bar {
                flex-wrap: wrap;
                gap: 0.75rem;
                padding: 0.75rem 0;
                min-height: auto;
            }

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

            .nav-logo .logo-text-short {
                display: inline;
                font-size: 0.85rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                padding: 0.5rem 0;
                background: rgba(3, 11, 26, 0.97);
                border-radius: 0 0 12px 12px;
                border: 1px solid var(--border-glass);
            }

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

            .nav-links a {
                width: 100%;
                padding: 0.75rem 1rem;
                border-radius: 0;
            }

            .nav-actions {
                gap: 0.5rem;
            }

            .btn-login,
            .btn-signup {
                font-size: 0.78rem;
                padding: 0.4rem 0.85rem;
            }

            .hero-category {
                padding: 3rem 0 2.5rem;
            }

            .hero-category h1 {
                font-size: clamp(1.6rem, 5vw, 2rem);
            }

            .hero-category-desc {
                font-size: 0.95rem;
            }

            .cards-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }

            .data-num {
                font-size: 1.6rem;
            }

            .cta-band {
                padding: 1.75rem 1.5rem;
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }

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

            .fab-cyber {
                left: 0.75rem;
                bottom: 5rem;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                padding: 0 0.85rem;
            }

            .hero-badges {
                gap: 0.5rem;
            }

            .hero-badge {
                font-size: 0.7rem;
                padding: 0.35rem 0.8rem;
            }

            .btn-primary,
            .btn-outline {
                font-size: 0.9rem;
                padding: 0.7rem 1.3rem;
            }

            .data-strip {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .section-desc {
                font-size: 0.95rem;
            }

            .strategy-card {
                padding: 1.25rem;
            }

            .scenario-item {
                padding: 1.1rem;
                gap: 0.85rem;
            }

            .faq-question {
                font-size: 0.87rem;
                padding: 0.9rem 1.1rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #030B1A;
            --bg-secondary: #061229;
            --bg-card: rgba(13, 27, 58, 0.65);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(37, 99, 235, 0.45);
            --text-primary: #F8FAFC;
            --text-secondary: #B0C4DE;
            --text-muted: #7B8FA6;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-gold: #F59E0B;
            --accent-red: #EF4444;
            --font-sans: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 45px rgba(56, 189, 248, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 4.5rem;
            --max-width: 1280px;
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3rem;
            }
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 40%, rgba(6, 18, 41, 0.9) 0%, var(--bg-primary) 75%);
            background-attachment: fixed;
        }

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

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

        a:hover {
            color: #6DD5FA;
            text-decoration: none;
        }

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

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

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

        /* ===== CONTAINER ===== */
        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .site-container {
                padding: 0 1rem;
            }
        }

        /* ===== SECTION ===== */
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-block--alt {
            background: rgba(6, 18, 41, 0.55);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            padding: 0.45rem 1.1rem;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 100px;
            width: fit-content;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2.5rem;
        }

        .section-title--left,
        .section-desc--left {
            text-align: left;
        }

        .section-title--center,
        .section-desc--center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(3, 11, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(3, 11, 26, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 0.92rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
        }

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

        .nav-logo .logo-text-short {
            display: inline;
            font-size: 0.88rem;
        }

        @media (min-width: 992px) {
            .nav-logo .logo-text-full {
                display: inline;
                font-size: 0.92rem;
            }
            .nav-logo .logo-text-short {
                display: none;
            }
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 0.5rem 0.8rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--text-primary);
            background: rgba(56, 189, 248, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.15);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.3);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            box-shadow: 0 0 8px rgba(56, 189, 248, 0.7);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .btn-login,
        .btn-signup {
            border: none;
            border-radius: var(--radius-sm);
            padding: 0.55rem 1.1rem;
            font-size: 0.82rem;
            font-weight: 700;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.4);
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: rgba(56, 189, 248, 0.7);
            color: #6DD5FA;
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.45);
            border: 1px solid rgba(56, 189, 248, 0.3);
        }

        .btn-signup:hover {
            box-shadow: 0 0 35px rgba(56, 189, 248, 0.65);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-signup:active,
        .btn-login:active {
            transform: translateY(1px) scale(0.98);
        }

        .nav-toggle {
            display: none;
            background: rgba(13, 27, 58, 0.8);
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            border-color: rgba(56, 189, 248, 0.5);
            color: var(--accent-cyan);
        }

        /* Mobile nav */
        @media (max-width: 992px) {
            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(3, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-glass);
                padding: 1rem 1.5rem 1.5rem;
                gap: 0.3rem;
                display: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

            .nav-links li a {
                padding: 0.8rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }

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

            .nav-links li a.active {
                box-shadow: none;
                border-left: 3px solid var(--accent-cyan);
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.5rem 0.85rem;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .nav-bar {
                min-height: 60px;
                gap: 0.8rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .nav-logo .logo-text-short {
                font-size: 0.78rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 0.7rem;
                font-size: 0.72rem;
            }
            .nav-actions {
                gap: 0.4rem;
            }
            .nav-toggle {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            padding: 4rem 0 3.5rem;
            overflow: hidden;
            background:
                radial-gradient(ellipse at 70% 30%, rgba(37, 99, 235, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 70%, rgba(56, 189, 248, 0.1) 0%, transparent 45%),
                var(--bg-secondary);
            border-bottom: 1px solid var(--border-glass);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 10%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-section {
                padding: 2.5rem 0 2.5rem;
            }
        }

        .hero-content .section-label {
            margin-bottom: 1.2rem;
        }

        .hero-content h1 {
            font-size: clamp(2rem, 4vw, 2.9rem);
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-primary);
            letter-spacing: -0.03em;
            margin-bottom: 1rem;
            text-align: left;
        }

        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), #6DD5FA);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.8rem;
            max-width: 560px;
            text-align: left;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 0.9rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 28px rgba(37, 99, 235, 0.45);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: 0 0 45px rgba(56, 189, 248, 0.65);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(1px) scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(13, 27, 58, 0.7);
            color: var(--text-primary);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: var(--radius-md);
            padding: 0.9rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: rgba(56, 189, 248, 0.7);
            background: rgba(37, 99, 235, 0.15);
            color: var(--text-primary);
        }

        .btn-secondary:active {
            transform: translateY(1px) scale(0.98);
        }

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

        .hero-visual-inner {
            position: relative;
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: 0 0 50px rgba(37, 99, 235, 0.25), var(--shadow-card);
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

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

        .hero-visual-badge {
            position: absolute;
            bottom: 1rem;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(3, 11, 26, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 189, 248, 0.4);
            color: var(--accent-cyan);
            padding: 0.6rem 1.4rem;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 700;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
        }

        .hero-stats {
            display: flex;
            gap: 1.8rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

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

        .hero-stat .stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: -0.02em;
        }

        .hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ===== GLASS CARDS ===== */
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: var(--transition);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

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

        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 35px rgba(37, 99, 235, 0.2), var(--shadow-card);
            transform: translateY(-3px);
        }

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

        .glass-card .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            transition: var(--transition);
        }

        .glass-card:hover .card-icon {
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
            background: rgba(37, 99, 235, 0.3);
        }

        .glass-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }

        .glass-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== EXPERIENCE TIMELINE ===== */
        .timeline-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            position: relative;
        }

        .timeline-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            position: relative;
        }

        .timeline-marker {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.3rem;
            position: relative;
            z-index: 1;
        }

        .timeline-dot {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.6);
            border: 2px solid rgba(255, 255, 255, 0.2);
            flex-shrink: 0;
        }

        .timeline-line {
            width: 2px;
            flex: 1;
            background: linear-gradient(180deg, rgba(56, 189, 248, 0.4), rgba(37, 99, 235, 0.15));
            border-radius: 1px;
        }

        .timeline-content {
            flex: 1;
            padding-bottom: 1.5rem;
        }

        .timeline-content .stage-label {
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-cyan);
            margin-bottom: 0.4rem;
        }

        .timeline-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .timeline-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 520px) {
            .timeline-item {
                gap: 1rem;
            }
            .timeline-content h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== TACTIC GRID ===== */
        .tactic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .tactic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .tactic-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .tactic-card:hover {
            border-color: rgba(56, 189, 248, 0.45);
            box-shadow: 0 0 30px rgba(37, 99, 235, 0.18);
            transform: translateY(-3px);
        }

        .tactic-card .tactic-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(37, 99, 235, 0.25);
            line-height: 1;
            margin-bottom: 0.8rem;
            letter-spacing: -0.05em;
        }

        .tactic-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .tactic-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 650;
            transition: var(--transition);
            letter-spacing: -0.01em;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--accent-cyan);
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(37, 99, 235, 0.4);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 1.5rem;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.3rem;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== CTA BANNER ===== */
        .cta-banner {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.1));
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--radius-xl);
            padding: 2.8rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 1.8rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn-primary {
            position: relative;
            z-index: 1;
        }

        /* ===== INFO LIST ===== */
        .info-list-section .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .info-card {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-primary);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .info-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 25px rgba(37, 99, 235, 0.2);
            transform: translateY(-2px);
            color: var(--text-primary);
        }

        .info-card .info-thumb {
            flex-shrink: 0;
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-secondary);
            border: 1px solid var(--border-glass);
        }

        .info-card .info-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .info-card .info-body {
            flex: 1;
            min-width: 0;
        }

        .info-card .info-cat {
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--accent-cyan);
            margin-bottom: 0.3rem;
        }

        .info-card .info-title {
            font-size: 0.92rem;
            font-weight: 650;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 0.3rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(3, 11, 26, 0.9);
            border-top: 1px solid var(--border-glass);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .footer-col {
                grid-column: span 1;
            }
        }

        .footer-brand .nav-logo {
            margin-bottom: 1rem;
            font-size: 0.85rem;
            white-space: normal;
            line-height: 1.45;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

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

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

        .footer-payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .payment-badge {
            display: inline-block;
            padding: 0.4rem 0.8rem;
            font-size: 0.72rem;
            font-weight: 650;
            color: var(--text-secondary);
            background: rgba(13, 27, 58, 0.8);
            border: 1px solid var(--border-glass);
            border-radius: 6px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .payment-badge:hover {
            border-color: rgba(56, 189, 248, 0.4);
            color: var(--accent-cyan);
        }

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

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 14, 32, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid rgba(56, 189, 248, 0.5);
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45), 0 6px 20px rgba(0, 0, 0, 0.4);
            opacity: 0.75;
            text-decoration: none;
        }

        .fab-left:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(56, 189, 248, 0.7), 0 8px 28px rgba(0, 0, 0, 0.5);
            transform: scale(1.08);
            color: var(--accent-cyan);
            border-color: rgba(56, 189, 248, 0.8);
        }

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

        .fab-left .fab-badge {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid rgba(7, 14, 32, 0.9);
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
            }
        }

        @media (max-width: 520px) {
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 0.8rem;
                bottom: 5rem;
            }
        }

        /* ===== UTILITY ===== */
        .text-left {
            text-align: left;
        }
        .text-center {
            text-align: center;
        }
        .text-right {
            text-align: right;
        }
        .width-full {
            width: 100%;
        }
        .margin-top-0 {
            margin-top: 0 !important;
        }
        .margin-bottom-0 {
            margin-bottom: 0 !important;
        }
        .margin-bottom-1 {
            margin-bottom: 1rem !important;
        }
        .margin-bottom-2 {
            margin-bottom: 2rem !important;
        }
        .padding-0 {
            padding: 0 !important;
        }
        .no-card {
            background: none;
            border: none;
            box-shadow: none;
            padding: 0;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
        }
        .no-card:hover {
            transform: none;
            box-shadow: none;
        }
        .no-card::before {
            display: none;
        }

        @media (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
        }

        @media (min-width: 769px) {
            .hide-desktop {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #030B1A;
            --bg-secondary: #061229;
            --bg-card: rgba(13, 27, 58, 0.65);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(37, 99, 235, 0.45);
            --text-primary: #F8FAFC;
            --text-secondary: #B0C4DE;
            --text-muted: #7B8FA6;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-gold: #F59E0B;
            --accent-red: #EF4444;
            --font-sans: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 45px rgba(56, 189, 248, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --max-width: 1280px;
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3.5rem;
            }
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 40%, rgba(6, 18, 41, 0.9) 0%, var(--bg-primary) 75%);
            background-attachment: fixed;
        }

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

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

        a:hover {
            color: #6DD5FA;
            text-decoration: none;
        }

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

        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .site-container {
                padding: 0 1rem;
            }
        }

        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-block--alt {
            background: rgba(6, 18, 41, 0.55);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            padding: 0.45rem 1.1rem;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 100px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2.5rem;
        }

        .section-title--left,
        .section-desc--left {
            text-align: left;
        }

        .section-title--center,
        .section-desc--center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(3, 11, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(3, 11, 26, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 1.5rem;
        }

        .nav-logo {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
        }

        .nav-logo .logo-text-short {
            display: inline;
            font-size: 0.95rem;
        }

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

        @media (max-width: 1024px) {
            .nav-logo .logo-text-short {
                display: none;
            }
            .nav-logo .logo-text-full {
                display: none;
            }
            .nav-logo .logo-icon {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }

        @media (min-width: 1025px) {
            .nav-logo .logo-text-short {
                display: none;
            }
            .nav-logo .logo-text-full {
                display: inline;
                font-size: 0.9rem;
                max-width: 420px;
                overflow: hidden;
                text-overflow: ellipsis;
            }
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: block;
            padding: 0.5rem 0.85rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(56, 189, 248, 0.08);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.3);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
            padding: 0.5rem 1rem;
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            padding: 0.5rem 1.25rem;
            font-size: 0.82rem;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.6);
            transform: translateY(-1px);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

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

        @media (max-width: 1024px) {
            .nav-toggle {
                display: inline-flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.25rem;
                padding: 1rem 1.5rem;
                background: rgba(3, 11, 26, 0.98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border-bottom: 1px solid var(--border-glass);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.75rem 1rem;
                font-size: 0.95rem;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-block;
                padding: 0.45rem 0.85rem;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .nav-actions .btn-login {
                padding: 0.4rem 0.7rem;
                font-size: 0.7rem;
            }
            .nav-actions .btn-signup {
                padding: 0.4rem 0.7rem;
                font-size: 0.7rem;
            }
            .nav-bar {
                min-height: 62px;
                gap: 0.75rem;
            }
            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
            }
        }

        /* ===== HERO ===== */
        .hero-section {
            padding: 4rem 0 3rem;
            position: relative;
            overflow: hidden;
            background:
                radial-gradient(ellipse at 70% 30%, rgba(37, 99, 235, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 80%, rgba(56, 189, 248, 0.1) 0%, transparent 50%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/bdc30e932994fa25.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.07;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            padding: 0.45rem 1.1rem;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 100px;
            margin-bottom: 1.25rem;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
        }

        .hero-pain-point {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 2rem;
        }

        .hero-pain-point strong {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .hero-form {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            max-width: 520px;
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-form input {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0.8rem 1.1rem;
            color: var(--text-primary);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

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

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

        .hero-form .btn-submit {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            padding: 0.8rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 700;
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.45);
            white-space: nowrap;
        }

        .hero-form .btn-submit:hover {
            box-shadow: 0 0 36px rgba(56, 189, 248, 0.65);
            transform: translateY(-1px);
        }

        .hero-form .form-hint {
            width: 100%;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

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

        .hero-visual img {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card), 0 0 50px rgba(37, 99, 235, 0.2);
            object-fit: cover;
        }

        .hero-stat-pill {
            position: absolute;
            bottom: 1.5rem;
            left: 1.5rem;
            background: rgba(3, 11, 26, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 12px;
            padding: 0.75rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .hero-stat-pill i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 2.5rem 0 2rem;
            }
            .hero-title {
                font-size: clamp(1.75rem, 5vw, 2.25rem);
            }
            .hero-form {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-form .btn-submit {
                width: 100%;
            }
            .hero-visual {
                margin-top: 2rem;
            }
            .hero-visual img {
                max-width: 100%;
            }
        }

        /* ===== SELLING POINTS ===== */
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .selling-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

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

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

        .selling-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
            font-size: 1.4rem;
            color: var(--accent-cyan);
            margin-bottom: 1.25rem;
        }

        .selling-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.35;
        }

        .selling-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

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

        @media (max-width: 640px) {
            .selling-grid {
                grid-template-columns: 1fr;
            }
            .selling-card {
                padding: 1.5rem 1.25rem;
            }
        }

        /* ===== SCENARIOS ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .scenario-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .scenario-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            opacity: 0.85;
            transition: var(--transition);
        }

        .scenario-card:hover img {
            opacity: 1;
        }

        .scenario-body {
            padding: 1.25rem;
        }

        .scenario-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .scenario-body p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

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

        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .scenario-card img {
                height: 140px;
            }
        }

        /* ===== SOCIAL PROOF ===== */
        .proof-wrapper {
            display: flex;
            gap: 2rem;
            align-items: stretch;
            flex-wrap: wrap;
        }

        .proof-stats {
            flex: 1;
            min-width: 280px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        .stat-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.25rem;
            text-align: left;
            transition: var(--transition);
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-cyan);
            line-height: 1.2;
            margin-bottom: 0.25rem;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .proof-quote {
            flex: 1.2;
            min-width: 300px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 2rem;
            backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .proof-quote blockquote {
            font-size: 1.1rem;
            color: var(--text-primary);
            line-height: 1.7;
            margin: 0 0 1rem;
            font-style: italic;
            border-left: 3px solid var(--accent-gold);
            padding-left: 1.25rem;
        }

        .proof-author {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .proof-author i {
            color: var(--accent-gold);
        }

        @media (max-width: 768px) {
            .proof-wrapper {
                flex-direction: column;
            }
            .proof-stats {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 480px) {
            .proof-stats {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== COMPARISON ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: start;
        }

        .compare-panel {
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
            overflow: hidden;
        }

        .compare-panel--bad {
            background: rgba(239, 68, 68, 0.06);
            border: 1px solid rgba(239, 68, 68, 0.25);
        }

        .compare-panel--good {
            background: rgba(56, 189, 248, 0.06);
            border: 1px solid rgba(56, 189, 248, 0.3);
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.08);
        }

        .compare-panel h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.65rem;
        }

        .compare-panel--bad h3 {
            color: #F87171;
        }

        .compare-panel--good h3 {
            color: var(--accent-cyan);
        }

        .compare-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .compare-list li {
            padding: 0.6rem 0;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.55;
            display: flex;
            align-items: flex-start;
            gap: 0.65rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li i {
            flex-shrink: 0;
            margin-top: 0.2rem;
            font-size: 0.9rem;
        }

        .compare-panel--bad .compare-list li i {
            color: #F87171;
        }

        .compare-panel--good .compare-list li i {
            color: var(--accent-cyan);
        }

        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .compare-panel {
                padding: 1.5rem;
            }
        }

        /* ===== POST CARDS ===== */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .post-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.35rem;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .post-card-link {
            display: flex;
            flex-direction: column;
            flex: 1;
            color: var(--text-primary);
        }

        .post-card-link:hover {
            color: var(--text-primary);
        }

        .post-title {
            font-size: 0.98rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            transition: var(--transition);
        }

        .post-card-link:hover .post-title {
            color: var(--accent-cyan);
        }

        .post-excerpt {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.72rem;
            color: var(--text-muted);
            font-weight: 500;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 0.75rem;
        }

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

        .no-updates {
            font-size: 0.95rem;
            color: var(--text-muted);
            text-align: center;
            padding: 2rem 0;
        }

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

        @media (max-width: 520px) {
            .post-grid {
                grid-template-columns: 1fr;
            }
            .post-card {
                padding: 1.15rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }

        .faq-question {
            padding: 1.15rem 1.35rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question i {
            flex-shrink: 0;
            color: var(--accent-cyan);
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.35rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.35rem 1.25rem;
        }

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

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== GUARANTEES ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .guarantee-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
            box-shadow: var(--shadow-card);
        }

        .guarantee-item i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            flex-shrink: 0;
            margin-top: 0.15rem;
        }

        .guarantee-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
        }

        .guarantee-item p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

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

        @media (max-width: 520px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-item {
                padding: 1rem;
            }
        }

        /* ===== BOTTOM CTA ===== */
        .cta-section {
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box {
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-glow);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto 2rem;
        }

        .cta-box .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            padding: 0.9rem 2.2rem;
            font-size: 1rem;
            font-weight: 800;
            border-radius: 14px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 28px rgba(37, 99, 235, 0.5);
        }

        .cta-box .btn-cta:hover {
            box-shadow: 0 0 48px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 2.5rem 0;
            }
            .cta-box {
                padding: 2rem 1.25rem;
                border-radius: var(--radius-lg);
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(3, 11, 26, 0.95);
            border-top: 1px solid var(--border-glass);
            padding: 4rem 0 2rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 0.85rem;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

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

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

        .footer-payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .payment-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 6px;
            padding: 0.35rem 0.7rem;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-glass);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

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

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .site-footer {
                padding: 2.5rem 0 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== FAB ===== */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45), 0 4px 20px rgba(0, 0, 0, 0.4);
            transition: var(--transition);
            animation: fabGlow 2.5s ease-in-out infinite;
        }

        .fab-support:hover {
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.65), 0 6px 28px rgba(0, 0, 0, 0.5);
            transform: scale(1.06);
            color: var(--text-primary);
        }

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

        @keyframes fabGlow {
            0%, 100% { box-shadow: 0 0 18px rgba(6, 182, 212, 0.4), 0 4px 20px rgba(0, 0, 0, 0.4); }
            50% { box-shadow: 0 0 32px rgba(6, 182, 212, 0.6), 0 4px 20px rgba(0, 0, 0, 0.4); }
        }

        .fab-support .fab-notification {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: fabPulse 1.5s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.3); opacity: 0.6; }
        }

        @media (max-width: 768px) {
            .fab-support {
                left: 0.75rem;
                bottom: 5rem;
                width: 50px;
                height: 50px;
                font-size: 1.15rem;
                border-radius: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #030B1A;
            --bg-secondary: #061229;
            --bg-card: rgba(13, 27, 58, 0.65);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(37, 99, 235, 0.45);
            --text-primary: #F8FAFC;
            --text-secondary: #B0C4DE;
            --text-muted: #7B8FA6;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-gold: #F59E0B;
            --accent-red: #EF4444;
            --font-sans: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 45px rgba(56, 189, 248, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --max-width: 1280px;
        }
        :root {
            --spacing-section: 3.5rem;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 40%, rgba(6, 18, 41, 0.9) 0%, var(--bg-primary) 75%);
            background-attachment: fixed;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #6DD5FA;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section-block--alt {
            background: rgba(6, 18, 41, 0.55);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            padding: 0.45rem 1.1rem;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 100px;
        }
        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2.5rem;
        }
        .section-title--left,
        .section-desc--left {
            text-align: left;
        }
        .section-title--center,
        .section-desc--center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .site-container {
                padding: 0 1rem;
            }
        }
        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(3, 11, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(3, 11, 26, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 1.5rem;
        }
        .nav-logo {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
        }
        .nav-logo .logo-text-short {
            display: inline;
            font-size: 0.95rem;
        }
        .nav-logo .logo-text-full {
            display: none;
        }
        @media (max-width: 1024px) {
            .nav-logo .logo-text-short {
                display: none;
            }
            .nav-logo .logo-text-full {
                display: inline;
                font-size: 0.82rem;
            }
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            position: relative;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition);
            padding: 0.35rem 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 2px;
            background: linear-gradient(to right, var(--accent-blue), var(--accent-cyan));
            border-radius: 2px;
        }
        .nav-links a.active {
            color: var(--accent-cyan);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login,
        .btn-signup {
            border: none;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.875rem;
            border-radius: 8px;
            padding: 0.6rem 1.2rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.4);
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: var(--accent-cyan);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
        }
        .btn-signup:hover {
            box-shadow: 0 0 35px rgba(37, 99, 235, 0.65);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            font-size: 1.25rem;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(3, 11, 26, 0.98);
                border-bottom: 1px solid var(--border-glass);
                padding: 1.5rem;
                gap: 1.25rem;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.5rem 0.9rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .nav-actions .btn-login {
                display: none;
            }
            .nav-actions .btn-signup {
                padding: 0.5rem 0.8rem;
                font-size: 0.75rem;
            }
        }
        /* ===== BUTTONS ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            border-radius: 10px;
            padding: 0.85rem 1.8rem;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            text-decoration: none;
            line-height: 1.2;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            box-shadow: 0 0 25px rgba(37, 99, 235, 0.45);
        }
        .btn-primary:hover {
            box-shadow: 0 0 40px rgba(56, 189, 248, 0.65);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-glass);
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.05);
        }
        .btn-gold {
            background: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #1a1a1a;
            box-shadow: 0 0 25px rgba(245, 158, 11, 0.4);
        }
        .btn-gold:hover {
            box-shadow: 0 0 40px rgba(245, 158, 11, 0.6);
            transform: translateY(-2px);
            color: #1a1a1a;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        /* ===== CARDS ===== */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            background: rgba(13, 27, 58, 0.8);
            border-color: var(--border-glow);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(37, 99, 235, 0.15);
            transform: translateY(-3px);
        }
        .glass-card .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 12px;
            font-size: 1.3rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }
        .glass-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        .glass-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }
        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            padding: 4.5rem 0 4rem;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(37, 99, 235, 0.2) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 60%, rgba(56, 189, 248, 0.12) 0%, transparent 50%);
            pointer-events: none;
            z-index: -1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-content .section-label {
            margin-bottom: 1.2rem;
        }
        .hero-content h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            letter-spacing: -0.03em;
            color: var(--text-primary);
        }
        .hero-content h1 .gradient-text {
            background: linear-gradient(to right, var(--accent-blue), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content .hero-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .hero-meta i {
            color: var(--accent-cyan);
        }
        .hero-panel {
            position: relative;
        }
        .hero-panel .glass-card {
            padding: 2.2rem;
            background: rgba(13, 27, 58, 0.75);
            border-color: rgba(56, 189, 248, 0.2);
        }
        .hero-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
            padding: 1.2rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-glass);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.1;
        }
        .hero-stat .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }
        .hero-badge-row .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.35rem 0.8rem;
            border-radius: 100px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
            color: var(--text-secondary);
        }
        /* ===== BENEFIT GRID ===== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        /* ===== SCENARIO ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.25rem;
        }
        .scenario-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .scenario-item:hover {
            border-color: var(--border-glow);
            background: rgba(255, 255, 255, 0.06);
        }
        .scenario-item i {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }
        .scenario-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .scenario-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        /* ===== TESTIMONIAL ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .testimonial-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .testimonial-card:hover {
            border-color: var(--border-glow);
        }
        .testimonial-card .quote-icon {
            color: var(--accent-cyan);
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
        }
        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 1rem;
        }
        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
        }
        .testimonial-card .quote-author i {
            color: var(--accent-gold);
        }
        /* ===== COMPARISON ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            max-width: 900px;
            margin: 0 auto;
        }
        .compare-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 2rem;
        }
        .compare-card.compare-free {
            border-color: rgba(56, 189, 248, 0.4);
            background: rgba(37, 99, 235, 0.08);
        }
        .compare-card.compare-paid {
            border-color: var(--border-glass);
        }
        .compare-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .compare-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .compare-card ul li {
            padding: 0.6rem 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-glass);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }
        .compare-card ul li:last-child {
            border-bottom: none;
        }
        .compare-card ul li i {
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .compare-card ul li i.fa-check-circle {
            color: #10B981;
        }
        .compare-card ul li i.fa-times-circle {
            color: var(--accent-red);
        }
        /* ===== NEWS LIST ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .news-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-item:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
        }
        .news-item .news-thumb {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }
        .news-item .news-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-item .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }
        .news-item .news-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }
        .news-item .news-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .news-item .news-link:hover {
            color: #6DD5FA;
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-glow);
        }
        .faq-item summary {
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* ===== TRUST BAR ===== */
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: center;
            padding: 1.5rem;
            background: rgba(6, 18, 41, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
        }
        .trust-bar .trust-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .trust-bar .trust-item i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
        }
        /* ===== CTA BOTTOM ===== */
        .cta-section {
            background: rgba(37, 99, 235, 0.08);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 1.5rem;
            line-height: 1.6;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }
        /* ===== STICKY BOTTOM CTA ===== */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: rgba(3, 11, 26, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-glass);
            padding: 0.8rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .sticky-cta .sticky-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .sticky-cta .sticky-text strong {
            color: var(--text-primary);
        }
        .sticky-cta .btn {
            white-space: nowrap;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
        }
        @media (max-width: 600px) {
            .sticky-cta {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                padding: 0.7rem 1rem;
            }
            .sticky-cta .sticky-text {
                font-size: 0.78rem;
            }
        }
        /* ===== FAB ===== */
        .floating-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: 2px solid rgba(56, 189, 248, 0.6);
            box-shadow: 0 0 25px rgba(37, 99, 235, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.3rem;
            color: #fff;
            opacity: 0.8;
            animation: fabFloat 4s ease-in-out infinite;
        }
        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(37, 99, 235, 0.65);
        }
        .floating-fab:active {
            transform: scale(0.95);
        }
        .floating-fab .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
            animation: badgePulse 2.5s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes badgePulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
            50% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
        }
        /* ===== FOOTER ===== */
        .site-footer {
            background: #020810;
            border-top: 1px solid var(--border-glass);
            padding: 3.5rem 0 1.5rem;
            position: relative;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .footer-payment-badges .payment-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.35rem 0.7rem;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-glass);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 2.5rem 0;
            }
            .hero-section {
                padding: 2.5rem 0 3rem;
            }
            .btn {
                padding: 0.7rem 1.4rem;
                font-size: 0.88rem;
            }
            .sticky-cta {
                display: none;
            }
            .floating-fab {
                bottom: 1.5rem;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }