/* roulang page: index */
:root {
            --bg-deep: #08090F;
            --bg-panel: #0D111E;
            --bg-card: #111827;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.2);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        a {
            color: var(--accent-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        button:focus-visible, a:focus-visible, .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

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

        /* Navigation */
        .navbar-main {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 8px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }
        .navbar-main .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: normal;
            line-height: 1.2;
            max-width: 280px;
        }
        .navbar-main .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            margin: 0 3px;
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(0, 82, 255, 0.2);
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }
        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }
        .btn-login-nav:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            box-shadow: 0 0 15px var(--accent-glow);
        }
        .btn-signup-nav {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }
        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.55);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler-icon {
            filter: invert(1);
        }

        @media (max-width: 991px) {
            .navbar-main .nav-link {
                padding: 10px 16px;
                margin: 4px 0;
                display: block;
                text-align: left;
            }
            .navbar-main .d-flex {
                margin-top: 10px;
                flex-direction: row;
                gap: 10px;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(160deg, #08090F 0%, #0D111E 40%, #0B1424 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 40%, rgba(0, 82, 255, 0.15) 0%, transparent 65%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-headline {
            font-size: 3rem;
            font-weight: 850;
            line-height: 1.2;
            letter-spacing: -0.8px;
            margin-bottom: 22px;
            background: linear-gradient(to right, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.25rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 620px;
        }
        .hero-form-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-glow);
        }
        .hero-form-card input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-card);
            color: #fff;
            border-radius: 50px;
            padding: 14px 22px;
            font-size: 1rem;
            width: 100%;
            transition: border var(--transition-fast);
        }
        .hero-form-card input:focus {
            border-color: var(--accent-secondary);
            box-shadow: 0 0 14px var(--accent-glow);
            outline: none;
        }
        .btn-hero-submit {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 14px 36px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-smooth);
            width: 100%;
        }
        .btn-hero-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 82, 255, 0.6);
        }

        @media (max-width: 768px) {
            .hero-headline {
                font-size: 2.3rem;
            }
            .hero-sub {
                font-size: 1.05rem;
            }
        }

        /* Section Spacing */
        .section-pad {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 750;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 36px;
        }

        /* Commission / Highlight Cards */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .highlight-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: border var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .highlight-card:hover {
            border-color: var(--accent-primary);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.25);
        }
        .highlight-icon {
            font-size: 2.4rem;
            color: var(--accent-secondary);
            margin-bottom: 16px;
        }
        .highlight-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .highlight-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Promotion Materials */
        .materials-showcase {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            align-items: center;
        }
        .material-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 24px;
            flex: 1 1 280px;
            box-shadow: var(--shadow-sm);
        }
        .material-card img {
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }

        /* News List */
        .news-list {
            list-style: none;
            padding: 0;
        }
        .news-list li {
            border-bottom: 1px solid var(--border-subtle);
            padding: 16px 0;
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            flex-wrap: wrap;
            gap: 8px;
        }
        .news-list li a {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        .news-list li a:hover {
            color: var(--accent-secondary);
        }
        .news-date {
            font-size: 0.85rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
        }
        .step-item {
            text-align: left;
            padding: 20px;
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--accent-primary);
        }
        .step-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-secondary);
            margin-bottom: 6px;
        }

        /* CTA Panel */
        .cta-panel {
            background: linear-gradient(135deg, #0D111E 0%, #151F34 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 45px 35px;
            text-align: left;
            box-shadow: var(--shadow-glow);
        }
        .btn-cta-large {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 15px 48px;
            font-weight: 700;
            font-size: 1.15rem;
            display: inline-block;
            box-shadow: 0 8px 22px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-smooth);
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(0, 82, 255, 0.65);
            color: #fff;
        }

        /* Footer */
        .footer-main {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            padding: 45px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-main a {
            color: var(--text-secondary);
        }
        .footer-main a:hover {
            color: var(--accent-secondary);
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 22px;
            bottom: 100px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 82, 255, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-secondary);
            color: #fff;
            font-size: 1.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 18px var(--accent-glow);
            transition: all var(--transition-smooth);
            z-index: 1100;
            cursor: pointer;
        }
        .fab-floating:hover {
            transform: scale(1.1);
            background: var(--accent-primary);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.55);
        }

        @media (max-width: 520px) {
            .hero-headline {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #08090F;
            --bg-panel: #0D111E;
            --bg-card: #111827;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.2);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        a:hover {
            color: var(--accent-primary);
        }

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

        button,
        .btn {
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        button:focus-visible,
        a:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

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

        /* Navigation */
        .navbar-main {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 8px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

        .navbar-main .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: normal;
            line-height: 1.2;
            max-width: 280px;
        }

        .navbar-main .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            margin: 0 3px;
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(0, 82, 255, 0.2);
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }

        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .btn-login-nav:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            box-shadow: 0 0 15px var(--accent-glow);
        }

        .btn-signup-nav {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }

        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.55);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler-icon {
            filter: invert(1);
        }

        /* Article Header Hero (Cinematic Poster Style) */
        .article-hero {
            position: relative;
            padding: 70px 0 80px;
            background: var(--bg-panel);
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            z-index: 0;
            pointer-events: none;
        }

        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.7) 0%, rgba(13, 17, 30, 0.85) 100%);
            z-index: 1;
        }

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

        .category-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-secondary);
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .article-meta {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: 14px;
        }

        .article-meta i {
            color: var(--accent-secondary);
            margin-right: 5px;
        }

        .hot-badge {
            background: rgba(255, 0, 65, 0.2);
            border: 1px solid rgba(255, 0, 65, 0.4);
            color: #FF4365;
            padding: 4px 12px;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Pull Quote */
        .pull-quote-wrapper {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 24px 28px;
            margin: 32px 0;
            box-shadow: var(--shadow-md);
        }

        .pull-quote-text {
            font-size: 1.15rem;
            font-weight: 500;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
        }

        /* Main Content Area */
        .article-main-content {
            padding: 50px 0 70px;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-top: 36px;
            margin-bottom: 18px;
            letter-spacing: -0.3px;
        }

        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-secondary);
            margin-top: 28px;
            margin-bottom: 14px;
        }

        .article-body p {
            margin-bottom: 20px;
        }

        .article-body strong {
            color: #fff;
            font-weight: 600;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 22px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 10px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }

        .content-not-found-container {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 60px 30px;
            text-align: center;
            border: 1px solid var(--border-card);
        }

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

        .content-not-found-container h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        .btn-back-home {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 12px 32px;
            font-weight: 700;
            display: inline-block;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.55);
            color: #fff;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-panel);
            padding: 55px 0;
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-card {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
            text-align: center;
        }

        .cta-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-card p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn-cta-primary {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 14px 40px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 22px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-smooth);
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 82, 255, 0.65);
            color: #fff;
        }

        /* Footer */
        .footer-main {
            background: var(--bg-deep);
            padding: 50px 0 25px;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-main strong {
            color: #fff;
            display: block;
            margin-bottom: 6px;
        }

        .footer-main a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-main ul {
            padding-left: 0;
            list-style: none;
        }

        .footer-main ul li {
            margin-bottom: 6px;
        }

        .footer-main hr {
            margin: 22px 0;
            opacity: 0.4;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-main .nav-link {
                padding: 10px 16px;
                margin: 4px 0;
                display: block;
                text-align: left;
            }
            .navbar-main .d-flex {
                margin-top: 10px;
                flex-direction: row;
                gap: 10px;
            }
            .article-hero {
                padding: 50px 0 60px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 767.98px) {
            .article-hero {
                padding: 35px 0 45px;
            }
            .pull-quote-wrapper {
                padding: 18px 20px;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .cta-card h3 {
                font-size: 1.4rem;
            }
            .article-body {
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #08090F;
            --bg-panel: #0D111E;
            --bg-card: #111827;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.2);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

        a:hover {
            color: var(--accent-primary);
        }

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

        button,
        .btn {
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        button:focus-visible,
        a:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

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

        /* Navigation */
        .navbar-main {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 8px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

        .navbar-main .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: normal;
            line-height: 1.2;
            max-width: 280px;
        }

        .navbar-main .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            margin: 0 3px;
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(0, 82, 255, 0.2);
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }

        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .btn-login-nav:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            box-shadow: 0 0 15px var(--accent-glow);
        }

        .btn-signup-nav {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }

        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.55);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler-icon {
            filter: invert(1);
        }

        @media (max-width: 991px) {
            .navbar-main .nav-link {
                padding: 10px 16px;
                margin: 4px 0;
                display: block;
                text-align: left;
            }

            .navbar-main .d-flex {
                margin-top: 10px;
                flex-direction: row;
                gap: 10px;
            }
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(160deg, #08090F 0%, #0D111E 40%, #0B1424 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .page-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(0, 82, 255, 0.1) 0%, transparent 60%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .page-hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            background: linear-gradient(to right, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.2rem;
        }

        .page-hero-content .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-form-glass {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-md);
        }

        .hero-form-glass .form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-card);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border var(--transition-fast), box-shadow var(--transition-fast);
        }

        .hero-form-glass .form-control:focus {
            border-color: var(--accent-secondary);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

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

        .btn-glow-primary {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 12px 32px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-smooth);
        }

        .btn-glow-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.5);
            color: #fff;
        }

        /* Glass Panels */
        .glass-panel {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .glass-panel h2,
        .glass-panel h3 {
            color: #fff;
            font-weight: 700;
        }

        /* Section Titles */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 0.75rem;
            background: linear-gradient(to right, #FFFFFF, #94A3B8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Stats Cards */
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

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

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        /* Service Cards */
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .service-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-6px);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            background: rgba(0, 82, 255, 0.15);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-secondary);
            margin-bottom: 1.25rem;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Process Steps */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            margin-bottom: 32px;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--accent-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 20px var(--accent-glow);
        }

        .step-content h4 {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 0.4rem;
        }

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

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 16px;
            transition: all var(--transition-smooth);
        }

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

        .faq-item h5 {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 0.6rem;
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0D111E 0%, #1A1F35 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

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

        /* Footer */
        .footer-main {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 80px;
        }

        .footer-main ul {
            margin: 0;
            padding: 0;
        }

        .footer-main ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

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

        /* Responsive */
        @media (max-width: 768px) {
            .page-hero-content h1 {
                font-size: 2rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .process-step {
                flex-direction: column;
                gap: 12px;
            }

            .glass-panel {
                padding: 20px;
            }

            .cta-section {
                padding: 40px 20px;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 60px 0 70px;
            }

            .hero-form-glass {
                padding: 20px;
            }

            .stat-card {
                padding: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #08090F;
            --bg-panel: #0D111E;
            --bg-card: #111827;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.2);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        a:hover {
            color: var(--accent-primary);
        }

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

        button,
        .btn {
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        button:focus-visible,
        a:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

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

        /* Navigation */
        .navbar-main {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 8px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

        .navbar-main .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: normal;
            line-height: 1.2;
            max-width: 280px;
        }

        .navbar-main .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            margin: 0 3px;
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(0, 82, 255, 0.2);
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }

        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .btn-login-nav:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            box-shadow: 0 0 15px var(--accent-glow);
        }

        .btn-signup-nav {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }

        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.55);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler-icon {
            filter: invert(1);
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 70px 0 80px;
            background: linear-gradient(160deg, #08090F 0%, #0D111E 40%, #0B1424 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 30%, rgba(0, 82, 255, 0.15) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            border: 1px solid var(--border-glow);
            color: var(--accent-secondary);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 30px;
        }

        .btn-glow {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 82, 255, 0.6);
            color: #fff;
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .stat-item {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            min-width: 120px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-secondary);
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* Feature grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 50px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-gradient);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

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

        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.4rem;
            color: var(--accent-secondary);
        }

        .feature-card h3 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* Section */
        .section-main {
            padding: 70px 0;
        }

        .section-title {
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 40px;
        }

        /* Analysis block */
        .analysis-block {
            background: var(--bg-panel);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-md);
        }

        .analysis-block h3 {
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .analysis-block h3 i {
            color: var(--accent-secondary);
        }

        .analysis-block p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .analysis-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
        }

        .meta-tag {
            background: rgba(0, 82, 255, 0.15);
            color: var(--accent-secondary);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* Match card */
        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .match-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 20px;
            text-align: center;
        }

        .team-name {
            font-weight: 700;
            font-size: 1.1rem;
            flex: 1;
        }

        .match-vs {
            font-weight: 800;
            color: var(--accent-secondary);
            font-size: 1.3rem;
        }

        .match-info {
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-panel);
            border-radius: var(--radius-xl);
            padding: 40px;
            margin-top: 50px;
            border: 1px solid var(--border-subtle);
        }

        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            padding: 18px 0;
        }

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

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

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

        .faq-answer {
            color: var(--text-muted);
            margin-top: 10px;
            line-height: 1.7;
            display: none;
        }

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

        .faq-item.active .faq-question {
            color: var(--accent-secondary);
        }

        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2) 0%, rgba(0, 240, 255, 0.1) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 50px 30px;
            text-align: center;
            margin-top: 60px;
            box-shadow: var(--shadow-glow);
        }

        .cta-panel h2 {
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .cta-panel p {
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        /* Footer */
        .footer-main {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            margin-top: 60px;
            color: var(--text-secondary);
        }

        .footer-main strong {
            display: block;
            font-size: 1rem;
        }

        .footer-main ul li a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1000;
            width: 52px;
            height: 52px;
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-secondary);
            font-size: 1.4rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-smooth);
            animation: float-slow 3s ease-in-out infinite;
        }

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

        .fab-floating:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
            background: var(--accent-secondary);
            color: #000;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-main .nav-link {
                padding: 10px 16px;
                margin: 4px 0;
                display: block;
                text-align: left;
            }
            .navbar-main .d-flex {
                margin-top: 10px;
                flex-direction: row;
                gap: 10px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .analysis-block {
                padding: 24px;
            }
            .match-teams {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 36px 20px;
            }
            .cta-panel h2 {
                font-size: 1.5rem;
            }
            .fab-floating {
                width: 44px;
                height: 44px;
                left: 12px;
                bottom: 85px;
                font-size: 1.2rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #08090F;
            --bg-panel: #0D111E;
            --bg-card: #111827;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.2);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

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

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

        a:hover {
            color: var(--accent-primary);
        }

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

        button, .btn {
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        button:focus-visible, a:focus-visible, .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

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

        /* Navigation */
        .navbar-main {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 8px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

        .navbar-main .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: normal;
            line-height: 1.2;
            max-width: 280px;
        }

        .navbar-main .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            margin: 0 3px;
        }

        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(0, 82, 255, 0.2);
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }

        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .btn-login-nav:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            box-shadow: 0 0 15px var(--accent-glow);
        }

        .btn-signup-nav {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }

        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.55);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler-icon {
            filter: invert(1);
        }

        @media (max-width: 991.98px) {
            .navbar-main .nav-link {
                padding: 10px 16px;
                margin: 4px 0;
                display: block;
                text-align: left;
            }

            .navbar-main .d-flex {
                margin-top: 10px;
                flex-direction: row;
                gap: 10px;
            }
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            padding: 60px 0 70px;
            background: linear-gradient(160deg, #08090F 0%, #0D111E 40%, #0B1424 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(0, 82, 255, 0.08), transparent 60%);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-glow);
            color: var(--accent-secondary);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }

        .hero-badge i {
            font-size: 1rem;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero-title .highlight {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 10px;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-stat i {
            font-size: 1.6rem;
            color: var(--accent-secondary);
            filter: drop-shadow(0 0 8px var(--accent-glow));
        }

        .hero-stat span {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: block;
        }

        .hero-stat strong {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }

        /* Shared Section Styles */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .section {
            padding: 70px 0;
        }

        /* Pain Point + Solution */
        .pain-solution-section {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .pain-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #ff4444, #ff6b6b);
            opacity: 0.8;
        }

        .pain-card:hover {
            border-color: rgba(255, 68, 68, 0.4);
            box-shadow: 0 0 25px rgba(255, 68, 68, 0.1);
            transform: translateY(-4px);
        }

        .pain-icon {
            font-size: 2.4rem;
            color: #ff6b6b;
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .pain-card p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .solution-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent-gradient);
            opacity: 0.8;
        }

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

        .solution-icon {
            font-size: 2.4rem;
            color: var(--accent-secondary);
            margin-bottom: 16px;
            filter: drop-shadow(0 0 10px var(--accent-glow));
        }

        .solution-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .solution-card p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Flow Section */
        .flow-step {
            display: flex;
            gap: 24px;
            margin-bottom: 36px;
            position: relative;
        }

        .flow-step::after {
            content: '';
            position: absolute;
            left: 27px;
            top: 60px;
            bottom: -36px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-secondary), transparent);
            opacity: 0.3;
        }

        .flow-step:last-child::after {
            display: none;
        }

        .flow-number {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--bg-glass);
            border: 2px solid var(--border-glow);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-secondary);
            box-shadow: var(--shadow-glow);
            position: relative;
            z-index: 2;
        }

        .flow-content {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            flex: 1;
            transition: all var(--transition-smooth);
        }

        .flow-content:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .flow-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .flow-content p {
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Glass Cards */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .glass-card .card-icon {
            width: 52px;
            height: 52px;
            background: rgba(0, 82, 255, 0.12);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-secondary);
            margin-bottom: 18px;
        }

        .glass-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .glass-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12) 0%, rgba(0, 240, 255, 0.06) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(0, 240, 255, 0.06), transparent 60%);
            z-index: 0;
            pointer-events: none;
        }

        .cta-block > * {
            position: relative;
            z-index: 1;
        }

        .cta-block h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-block p {
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 24px;
            font-size: 1.05rem;
        }

        .btn-glow {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 14px 38px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(0, 82, 255, 0.6);
            color: #fff;
        }

        .btn-outline-glow {
            background: transparent;
            border: 1.5px solid var(--border-glow);
            color: var(--accent-secondary);
            border-radius: 50px;
            padding: 12px 32px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-glow:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: var(--shadow-glow);
            color: var(--accent-secondary);
            border-color: var(--accent-secondary);
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent-secondary);
            opacity: 0.35;
            margin-bottom: 14px;
        }

        .testimonial-card p {
            font-style: italic;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-author .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 1.1rem;
        }

        .testimonial-author strong {
            display: block;
            font-size: 0.95rem;
        }

        .testimonial-author span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
        }

        .accordion-button {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            color: #fff;
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 82, 255, 0.08);
            color: var(--accent-secondary);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .accordion-button::after {
            filter: invert(1);
        }

        .accordion-button:focus {
            box-shadow: var(--shadow-glow);
            border-color: var(--border-glow);
        }

        .accordion-body {
            background: var(--bg-glass);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-top: none;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            padding: 20px 24px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .accordion-item {
            background: transparent;
            border: none;
            margin-bottom: 14px;
        }

        /* Footer */
        .footer-main {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            color: var(--text-muted);
        }

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

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

        .footer-main strong {
            color: #fff;
        }

        .footer-main ul li {
            margin-bottom: 6px;
        }

        .footer-main hr {
            margin: 28px 0 18px;
            opacity: 0.15;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            border: 2px solid var(--border-glow);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-secondary);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-smooth);
            animation: fabPulse 3s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-floating:hover {
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.55);
            color: var(--accent-secondary);
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 18px rgba(0, 240, 255, 0.35); }
            50% { box-shadow: 0 0 28px rgba(0, 240, 255, 0.55); }
        }

        .fab-floating .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 12px;
            height: 12px;
            background: #ff3b3b;
            border-radius: 50%;
            border: 2px solid var(--bg-panel);
            animation: blink 1.4s ease-in-out infinite;
        }

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

        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .fab-floating {
                left: 14px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #08090F;
            --bg-panel: #0D111E;
            --bg-card: #111827;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.2);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        button:focus-visible, a:focus-visible, .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }
        .container-lg {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .navbar-main {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 8px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }
        .navbar-main .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: normal;
            line-height: 1.2;
            max-width: 280px;
        }
        .navbar-main .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            margin: 0 3px;
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(0, 82, 255, 0.2);
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }
        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }
        .btn-login-nav:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            box-shadow: 0 0 15px var(--accent-glow);
        }
        .btn-signup-nav {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }
        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.55);
            color: #fff;
        }
        .navbar-toggler {
            border: 1px solid var(--border-card);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler-icon {
            filter: invert(1);
        }
        .section-padding {
            padding: 70px 0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-weight: 800;
            font-size: 2.4rem;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
        }
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow), var(--shadow-md);
            transform: translateY(-4px);
        }
        .glass-card .icon-box {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 0 20px rgba(0, 82, 255, 0.3);
        }
        .glass-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .glass-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        .pain-point-block {
            background: var(--bg-panel);
            border-radius: var(--radius-xl);
            padding: 36px 30px;
            border: 1px solid var(--border-subtle);
            margin-bottom: 28px;
            transition: all var(--transition-smooth);
        }
        .pain-point-block:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }
        .pain-point-block h3 {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--accent-secondary);
            margin-bottom: 10px;
        }
        .pain-point-block p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }
        .strategy-list {
            list-style: none;
            padding-left: 0;
        }
        .strategy-list li {
            padding: 16px 0 16px 52px;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .strategy-list li:last-child {
            border-bottom: none;
        }
        .strategy-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 17px;
            font-size: 1.5rem;
            color: var(--accent-secondary);
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .testimonial-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: left;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .testimonial-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 2.2rem;
            color: var(--accent-secondary);
            opacity: 0.7;
            margin-bottom: 12px;
        }
        .testimonial-card p {
            font-style: italic;
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .testimonial-card .author {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
        }
        .testimonial-card .role {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .cta-section {
            background: radial-gradient(circle at 30% 30%, rgba(0, 82, 255, 0.15) 0%, rgba(8, 9, 15, 0.98) 70%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section h2 {
            font-weight: 800;
            font-size: 2.6rem;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 32px;
        }
        .btn-glow {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 14px 40px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 6px 24px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
        }
        .btn-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 240, 255, 0.5);
            color: #fff;
        }
        .faq-accordion .accordion-item {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 82, 255, 0.08);
            color: var(--accent-secondary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(0.8);
        }
        .faq-accordion .accordion-body {
            padding: 18px 24px 24px;
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.7;
        }
        .footer-main {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-main a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-main a:hover {
            color: var(--accent-secondary);
        }
        .footer-main hr {
            border-color: var(--border-subtle);
            margin: 24px 0;
        }
        @media (max-width: 991.98px) {
            .navbar-main .nav-link {
                padding: 10px 16px;
                margin: 4px 0;
                display: block;
                text-align: left;
            }
            .navbar-main .d-flex {
                margin-top: 10px;
                flex-direction: row;
                gap: 10px;
            }
            .section-header h2 {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 767.98px) {
            .section-header h2 {
                font-size: 1.8rem;
            }
            .glass-card {
                padding: 22px 18px;
            }
            .pain-point-block {
                padding: 26px 20px;
            }
        }