/* roulang page: index */
:root {
            --bg-deep: #0A2E1C;
            --bg-forest: #123E25;
            --bg-card: #0D3520;
            --bg-section: #0F3A23;
            --gold: #FFD700;
            --gold-soft: #F4C430;
            --red-lucky: #D32F2F;
            --red-deep: #8B0000;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --mint-soft: #A8DCD0;
            --text-body: #E8F5EE;
            --text-muted: #B7C9C0;
            --border-gold: rgba(255, 215, 0, 0.25);
            --border-soft: rgba(255, 255, 255, 0.08);
            --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.12);
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-body: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        a:hover, a:focus {
            color: var(--gold-soft);
            text-decoration: none;
        }

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

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

        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0;
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--gold);
            letter-spacing: 0.02em;
            line-height: 1.3;
            max-width: 280px;
        }

        .brand-logo i {
            font-size: 1.5rem;
            color: var(--gold);
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--gold-soft);
        }

        .navbar-nav {
            gap: 6px;
        }

        .navbar-nav .nav-link {
            color: var(--mint-soft);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .navbar-nav .nav-link.active {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--gold);
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover, .btn-login:focus {
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold-soft);
            border-color: var(--gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--gold), var(--gold-soft));
            color: var(--bg-deep);
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.25);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover, .btn-signup:focus {
            background: linear-gradient(135deg, var(--gold-soft), #FFE066);
            color: #062315;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
        }

        .navbar-toggler {
            border: 1px solid var(--border-gold);
            padding: 6px 10px;
            border-radius: 8px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero Section - Group Buying Conversion */
        .hero-section {
            background: linear-gradient(160deg, #062315 0%, #0A2E1C 40%, #123E25 100%);
            position: relative;
            overflow: hidden;
            padding: 72px 0 88px;
            border-bottom: 1px solid var(--border-gold);
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -100px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            bottom: -160px;
            left: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            padding: 6px 16px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--gold), var(--gold-soft));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-desc {
            font-size: 1.08rem;
            color: var(--mint-soft);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .btn-primary-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-soft));
            color: var(--bg-deep);
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-gold:hover, .btn-primary-gold:focus {
            background: linear-gradient(135deg, var(--gold-soft), #FFE066);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.45);
            color: #062315;
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-gold:hover, .btn-outline-gold:focus {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--gold-soft);
            color: var(--gold-soft);
            transform: translateY(-2px);
        }

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

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

        .hero-stat-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .hero-stat-value {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-image-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-gold);
            width: 100%;
            max-width: 500px;
        }

        .hero-image-frame img {
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 320px;
            max-height: 420px;
        }

        .hero-float-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-card);
        }

        .hero-float-badge .badge-icon {
            width: 40px;
            height: 40px;
            background: var(--red-lucky);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.1rem;
        }

        .hero-float-badge .badge-text {
            font-weight: 600;
            color: var(--gold);
            font-size: 0.9rem;
            line-height: 1.4;
        }

        /* Section General */
        .section-block {
            padding: 64px 0;
            position: relative;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--gold);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--white);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 32px;
        }

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

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
        }

        .feature-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            border-color: var(--border-gold);
        }

        .testimonial-quote {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 18px;
            font-style: italic;
        }

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

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--gold), var(--red-lucky));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .testimonial-name {
            font-weight: 600;
            color: var(--white);
            font-size: 0.95rem;
        }

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

        /* Info List */
        .info-list {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 8px;
        }

        .info-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 16px;
            border-bottom: 1px solid var(--border-soft);
            transition: var(--transition);
        }

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

        .info-list-item:hover {
            background: rgba(255, 215, 0, 0.05);
        }

        .info-list-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border-soft);
        }

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

        .info-list-content {
            flex: 1;
            min-width: 0;
        }

        .info-list-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .info-list-title a:hover {
            color: var(--gold-soft);
        }

        .info-list-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .info-sidebar {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
        }

        .info-sidebar-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .info-sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-soft);
            font-size: 0.9rem;
            color: var(--mint-soft);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

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

        .info-sidebar-list li i {
            color: var(--gold);
            font-size: 0.8rem;
            margin-top: 4px;
        }

        /* FAQ */
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            color: var(--white);
            font-weight: 600;
            padding: 18px 20px;
            font-size: 0.98rem;
            border: none;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08);
            color: var(--gold);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-gold);
        }

        .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        .accordion-body {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            padding: 0 20px 20px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #0D3520 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            color: var(--mint-soft);
            font-size: 1rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 560px;
        }

        /* Footer */
        .site-footer {
            background: #062315;
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
        }

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

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

        .footer-links a:hover {
            color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }

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

        .footer-badge {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 0.75rem;
            color: var(--gold);
            font-weight: 600;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1A4D2E, #062315);
            border: 3px solid var(--gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

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

        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--red-lucky);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
            animation: dotBlink 2s ease-in-out infinite;
        }

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

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

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 16px 0;
                gap: 2px;
            }

            .navbar-nav .nav-link {
                padding: 10px 16px;
            }

            .header-actions {
                margin-top: 10px;
                gap: 8px;
                width: 100%;
                justify-content: flex-start;
            }

            .hero-section {
                padding: 48px 0 56px;
            }

            .hero-visual {
                margin-top: 32px;
            }

            .section-block {
                padding: 48px 0;
            }

            .cta-section {
                padding: 36px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-title {
                font-size: 1.85rem;
            }

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

            .hero-stats {
                gap: 16px;
            }

            .hero-stat {
                gap: 8px;
            }

            .hero-stat-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .hero-stat-value {
                font-size: 1.1rem;
            }

            .hero-cta-group {
                gap: 10px;
            }

            .btn-primary-gold, .btn-outline-gold {
                padding: 11px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

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

            .info-list-item {
                flex-direction: column;
            }

            .info-list-thumb {
                width: 100%;
                height: 140px;
            }

            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 0.95rem;
                max-width: 200px;
            }

            .brand-logo i {
                font-size: 1.2rem;
            }

            .hero-section {
                padding: 36px 0 44px;
            }

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

            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }

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

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

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0d3522;
            --bg-dark: #072114;
            --bg-hero-overlay: rgba(7, 33, 20, 0.82);
            --accent-gold: #FFD700;
            --accent-gold-light: #FFED80;
            --accent-gold-dark: #C5A000;
            --accent-red: #D32F2F;
            --accent-red-light: #EF5350;
            --accent-amber: #FF9F00;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9BB8AD;
            --text-gold: #FEF08A;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-light: rgba(255, 215, 0, 0.55);
            --border-card: rgba(255, 215, 0, 0.18);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.12);
            --shadow-gold-strong: 0 6px 32px rgba(255, 215, 0, 0.22);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 4px 18px rgba(211, 47, 47, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50%;
            --font-heading: 'Segoe UI', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            --max-width: 1140px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 76px;
        }

        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-gold-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            margin-top: 0;
        }

        .container {
            max-width: var(--max-width);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(7, 33, 20, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
        }
        .site-header .navbar {
            padding: 0.6rem 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--accent-gold) !important;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: -0.2px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .brand-logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
        }
        .brand-logo span {
            background: linear-gradient(180deg, #FFED80 0%, #FFD700 40%, #C5A000 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand-logo:hover {
            color: var(--accent-gold-light) !important;
        }
        .navbar-nav {
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }
        .navbar-nav .nav-link.active {
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold-light);
            color: var(--accent-gold);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold-light);
        }
        .btn-signup {
            background: linear-gradient(135deg, #D32F2F 0%, #B71C1C 100%);
            border: none;
            color: #fff;
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-bounce);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.5);
            background: linear-gradient(135deg, #EF5350 0%, #D32F2F 100%);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold-light);
            padding: 0.4rem 0.55rem;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            outline: none;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(7, 33, 20, 0.98);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                border: 1px solid var(--border-gold);
            }
            .header-actions {
                margin-top: 0.75rem;
                flex-direction: row;
                gap: 8px;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                flex: 1;
                text-align: center;
                padding: 0.55rem 0.8rem;
                font-size: 0.85rem;
            }
            .navbar-nav {
                gap: 0;
            }
            .brand-logo span {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .brand-logo {
                gap: 6px;
            }
            .brand-logo i {
                font-size: 1.2rem;
            }
            .brand-logo span {
                font-size: 0.8rem;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 0.6rem;
                font-size: 0.78rem;
            }
        }

        /* ========== ARTICLE HERO ========== */
        .article-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7,33,20,0.78) 0%, rgba(10,46,28,0.9) 50%, var(--bg-primary) 100%);
            z-index: 1;
        }
        .article-hero .hero-pattern {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.06;
            background-image: radial-gradient(circle at 20% 30%, rgba(255,215,0,0.5) 1px, transparent 1px),
                              radial-gradient(circle at 70% 60%, rgba(255,215,0,0.4) 1px, transparent 1px);
            background-size: 50px 50px, 40px 40px;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-content-wrap {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-text-col {
            flex: 1 1 520px;
            min-width: 0;
        }
        .hero-countdown-col {
            flex: 0 0 200px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }
        .article-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid var(--accent-red);
            color: var(--accent-red-light);
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            animation: badgePulse 2.2s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(211,47,47,0.4); }
            50% { box-shadow: 0 0 0 12px rgba(211,47,47,0); }
        }
        .article-hero .hero-badge i {
            font-size: 0.7rem;
            animation: dotBlink 1s step-end infinite;
        }
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            line-height: 1.25;
            letter-spacing: -0.3px;
        }
        .article-hero h1 .gold-highlight {
            background: linear-gradient(180deg, #FFED80 0%, #FFD700 40%, #C5A000 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .hero-meta i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }
        .hero-sellpoints {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 1.5rem;
        }
        .hero-sellpoint-dot {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            padding: 0.4rem 0.85rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-mint);
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .hero-sellpoint-dot i {
            color: var(--accent-gold);
            font-size: 0.65rem;
        }
        .hero-sellpoint-dot:hover {
            background: rgba(255, 215, 0, 0.15);
            border-color: var(--accent-gold);
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, #D32F2F 0%, #B71C1C 100%);
            border: none;
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-bounce);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 34px rgba(211, 47, 47, 0.55);
            background: linear-gradient(135deg, #EF5350 0%, #D32F2F 100%);
            color: #fff;
        }
        .btn-hero-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 0.7rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }
        /* Countdown Ring */
        .countdown-ring-wrap {
            position: relative;
            width: 160px;
            height: 160px;
        }
        .countdown-ring-wrap svg {
            transform: rotate(-90deg);
            width: 160px;
            height: 160px;
        }
        .countdown-ring-bg {
            fill: none;
            stroke: rgba(255, 215, 0, 0.15);
            stroke-width: 7;
        }
        .countdown-ring-progress {
            fill: none;
            stroke: var(--accent-gold);
            stroke-width: 7;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.9s linear;
            filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.5));
        }
        .countdown-ring-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .countdown-ring-text .countdown-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }
        .countdown-ring-text .countdown-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .countdown-sub {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-mint);
            font-weight: 500;
            max-width: 160px;
        }

        @media (max-width: 991.98px) {
            .article-hero {
                min-height: auto;
                padding: 50px 0 40px;
            }
            .hero-content-wrap {
                flex-direction: column;
                text-align: center;
                gap: 28px;
            }
            .hero-text-col {
                flex: 1 1 auto;
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            .hero-countdown-col {
                flex: 0 0 auto;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .hero-sellpoints {
                justify-content: center;
            }
            .hero-cta-row {
                justify-content: center;
            }
            .article-hero .hero-meta {
                justify-content: center;
            }
            .countdown-ring-wrap {
                width: 120px;
                height: 120px;
            }
            .countdown-ring-wrap svg {
                width: 120px;
                height: 120px;
            }
            .countdown-ring-text .countdown-num {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .article-hero {
                padding: 35px 0 30px;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .hero-sellpoint-dot {
                font-size: 0.75rem;
                padding: 0.3rem 0.65rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 0.6rem 1.3rem;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-row {
                flex-direction: column;
                width: 100%;
            }
            .countdown-ring-wrap {
                width: 100px;
                height: 100px;
            }
            .countdown-ring-wrap svg {
                width: 100px;
                height: 100px;
            }
            .countdown-ring-text .countdown-num {
                font-size: 1.5rem;
            }
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-section {
            padding: 50px 0 30px;
            background: var(--bg-primary);
        }
        .article-body-container {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .article-body-content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-mint);
        }
        .article-body-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            border-left: 4px solid var(--accent-gold);
            padding-left: 16px;
        }
        .article-body-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        .article-body-content p {
            margin-bottom: 1.1rem;
        }
        .article-body-content ul,
        .article-body-content ol {
            margin-bottom: 1.1rem;
            padding-left: 1.5rem;
        }
        .article-body-content li {
            margin-bottom: 0.5rem;
        }
        .article-body-content blockquote {
            border-left: 5px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 1.2rem 1.5rem;
            margin: 1.8rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--accent-gold-light);
            font-size: 1.1rem;
            position: relative;
        }
        .article-body-content blockquote::before {
            content: '\201C';
            font-size: 3.5rem;
            color: var(--accent-gold);
            opacity: 0.3;
            position: absolute;
            top: -10px;
            left: 10px;
            font-style: normal;
            line-height: 1;
        }
        .article-body-content strong {
            color: var(--accent-gold-light);
            font-weight: 700;
        }
        .article-body-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }
        .article-body-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body-content a:hover {
            color: var(--accent-gold-light);
        }
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            opacity: 0.5;
            margin-bottom: 1rem;
            display: block;
        }
        .article-not-found h3 {
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .article-not-found .btn-back {
            display: inline-block;
            margin-top: 1rem;
            background: var(--accent-gold);
            color: var(--bg-dark);
            padding: 0.65rem 1.8rem;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-bounce);
        }
        .article-not-found .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-strong);
            color: var(--bg-dark);
        }

        /* ========== STRATEGY COMPARISON TABLE ========== */
        .strategy-compare-section {
            padding: 50px 0;
            background: var(--bg-dark);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-label i {
            font-size: 0.7rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
        }
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            background: var(--bg-card);
            box-shadow: var(--shadow-card);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table thead th {
            background: var(--bg-secondary);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 1rem 1.2rem;
            text-align: left;
            border-bottom: 2px solid var(--border-gold-light);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .compare-table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table tbody td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid var(--border-card);
            color: var(--text-mint);
            font-size: 0.95rem;
            vertical-align: middle;
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover {
            background: rgba(255, 215, 0, 0.04);
        }
        .compare-table .badge-compare {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .badge-compare.gold {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold-light);
        }
        .badge-compare.green {
            background: rgba(50, 205, 50, 0.15);
            color: #7DEFA8;
            border: 1px solid rgba(50, 205, 50, 0.3);
        }
        .badge-compare.red {
            background: rgba(211, 47, 47, 0.15);
            color: var(--accent-red-light);
            border: 1px solid rgba(211, 47, 47, 0.3);
        }
        .compare-table i.fa-check {
            color: #4CAF50;
            font-weight: 700;
        }
        .compare-table i.fa-xmark {
            color: #D32F2F;
            font-weight: 700;
        }
        .compare-table i.fa-star {
            color: var(--accent-gold);
        }

        @media (max-width: 768px) {
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 0.7rem 0.8rem;
                font-size: 0.82rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== LEVEL HIGHLIGHTS ========== */
        .level-highlights-section {
            padding: 50px 0;
            background: var(--bg-primary);
        }
        .level-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .level-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .level-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .level-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold-strong);
            border-color: var(--border-gold-light);
        }
        .level-card:hover::before {
            opacity: 1;
        }
        .level-card .level-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }
        .level-icon.beginner {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            border: 2px solid var(--border-gold);
        }
        .level-icon.intermediate {
            background: rgba(255, 159, 0, 0.15);
            color: var(--accent-amber);
            border: 2px solid rgba(255, 159, 0, 0.5);
        }
        .level-icon.advanced {
            background: rgba(211, 47, 47, 0.15);
            color: var(--accent-red-light);
            border: 2px solid rgba(211, 47, 47, 0.5);
        }
        .level-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .level-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .level-card .level-stat {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 215, 0, 0.08);
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            font-size: 0.78rem;
            color: var(--accent-gold);
            font-weight: 600;
            margin-top: 0.8rem;
        }

        @media (max-width: 991.98px) {
            .level-cards-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .level-cards-row {
                grid-template-columns: 1fr;
            }
            .level-card {
                padding: 1.5rem 1.2rem;
            }
        }

        /* ========== RELATED PREVIEW ========== */
        .related-preview-section {
            padding: 50px 0;
            background: var(--bg-dark);
        }
        .related-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-card);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold-strong);
            border-color: var(--border-gold-light);
        }
        .related-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 1.3rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body .related-tag {
            display: inline-block;
            background: rgba(211, 47, 47, 0.2);
            color: var(--accent-red-light);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }
        .related-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .related-card-body p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }
        .related-card-body .btn-related {
            align-self: flex-start;
            background: transparent;
            border: 1px solid var(--border-gold-light);
            color: var(--accent-gold);
            padding: 0.45rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }
        .related-card-body .btn-related:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold-light);
        }

        @media (max-width: 768px) {
            .related-cards {
                grid-template-columns: 1fr;
            }
            .related-card-img {
                height: 180px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 50px 0;
            background: var(--bg-primary);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: var(--border-gold-light);
        }
        .faq-question {
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(255, 215, 0, 0.04);
        }
        .faq-question i {
            color: var(--accent-gold);
            transition: transform var(--transition-smooth);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer-inner a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-secondary) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(255,215,0,0.06) 0%, transparent 70%);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-card {
            background: var(--bg-card);
            border: 2px solid var(--border-gold-light);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-gold-strong);
            max-width: 700px;
            margin: 0 auto;
            position: relative;
        }
        .cta-card .cta-icon-ring {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-full);
            background: rgba(255, 215, 0, 0.12);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.8rem;
            color: var(--accent-gold);
        }
        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .cta-card p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 1.8rem;
            line-height: 1.6;
        }
        .cta-card .btn-cta-large {
            background: linear-gradient(135deg, #D32F2F 0%, #B71C1C 100%);
            border: none;
            color: #fff;
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-bounce);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-card .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 34px rgba(211, 47, 47, 0.55);
            color: #fff;
        }
        .cta-card .cta-trust {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }
        .cta-card .cta-trust span {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .cta-card .cta-trust i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        @media (max-width: 520px) {
            .cta-card {
                padding: 2rem 1.2rem;
                border-radius: var(--radius-lg);
            }
            .cta-card h2 {
                font-size: 1.4rem;
            }
            .cta-card .btn-cta-large {
                width: 100%;
                justify-content: center;
                padding: 0.75rem 1.5rem;
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            padding: 50px 0 30px;
            border-top: 1px solid var(--border-gold);
            color: var(--text-muted);
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }
        .footer-links {
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.55rem;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-card);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
        }
        .footer-bottom p {
            margin: 0;
            color: var(--text-muted);
        }
        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.78rem;
            color: var(--accent-gold);
            font-weight: 500;
        }
        .footer-badge i {
            font-size: 0.7rem;
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-badges {
                justify-content: center;
            }
        }

        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-full);
            background: var(--bg-dark);
            border: 3px solid var(--accent-gold);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-bounce);
            animation: fabFloat 3s ease-in-out infinite;
            opacity: 0.7;
            text-decoration: none;
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            color: var(--accent-gold-light);
        }
        .fab-floating:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: var(--radius-full);
            border: 2px solid var(--bg-dark);
            animation: blinkDot 1.2s step-end infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }

        @media (max-width: 520px) {
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 1rem;
                bottom: 5rem;
                font-size: 1.2rem;
                border-width: 2px;
            }
        }

        /* ========== UTILITY ========== */
        .text-gold {
            color: var(--accent-gold) !important;
        }
        .text-mint {
            color: var(--text-mint) !important;
        }
        .bg-dark-section {
            background: var(--bg-dark);
        }
        .bg-primary-section {
            background: var(--bg-primary);
        }
        .divider-gold {
            width: 60px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
            margin: 0.8rem 0;
            opacity: 0.7;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #8B0000;
            --bg-dark: #4A0007;
            --bg-deeper: #2D0004;
            --bg-card: #1C0105;
            --bg-card-alt: #240307;
            --accent-gold: #FFD700;
            --accent-amber: #FF9F00;
            --accent-bright-gold: #FFC107;
            --text-warm: #FFFDF9;
            --text-gold: #FEF08A;
            --text-muted: #D4A88C;
            --text-soft: #F5E6D3;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.6);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.18);
            --shadow-gold-lg: 0 8px 40px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.4);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Inter', 'Helvetica Neue', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Inter', 'Helvetica Neue', system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: radial-gradient(ellipse at 50% 0%, #6B0010 0%, var(--bg-dark) 35%, var(--bg-deeper) 70%, #1A0003 100%);
            background-attachment: fixed;
            color: var(--text-warm);
            line-height: 1.65;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            position: relative;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 15% 20%, rgba(255, 215, 0, 0.04) 0%, transparent 55%),
                radial-gradient(circle at 75% 60%, rgba(255, 159, 0, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 40% 85%, rgba(255, 215, 0, 0.03) 0%, transparent 45%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                repeating-linear-gradient(0deg, transparent, transparent 8px, rgba(255, 215, 0, 0.015) 8px, rgba(255, 215, 0, 0.015) 10px),
                repeating-linear-gradient(90deg, transparent, transparent 8px, rgba(255, 215, 0, 0.012) 8px, rgba(255, 215, 0, 0.012) 10px);
            pointer-events: none;
            z-index: 0;
            opacity: 0.5;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-bright-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(42, 0, 5, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .site-header .navbar {
            padding: 10px 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold) !important;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--accent-bright-gold) !important;
        }
        .brand-logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
        }
        .brand-logo span {
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.3;
        }
        .navbar-nav .nav-link {
            color: var(--text-soft) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 4px;
            box-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
        }
        .header-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-bright-gold);
            color: var(--accent-bright-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: #3D0005;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 159, 0, 0.4);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE44D, #FFB830);
            box-shadow: 0 6px 24px rgba(255, 159, 0, 0.55);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold-strong);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.25);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 70px 0 60px;
            background: linear-gradient(170deg, rgba(74, 0, 7, 0.7) 0%, rgba(45, 0, 4, 0.85) 40%, rgba(28, 1, 5, 0.9) 100%);
            overflow: hidden;
            z-index: 1;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.18;
            z-index: -1;
            filter: brightness(0.7) saturate(1.3);
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(255, 159, 0, 0.05) 0%, transparent 50%);
            z-index: -1;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold-strong);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-warm);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .hero-title .gold-highlight {
            color: var(--accent-gold);
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.35);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .hero-features {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .hero-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-soft);
            line-height: 1.5;
        }
        .hero-features li i {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .booking-card {
            background: rgba(28, 1, 5, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1.5px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-gold-lg);
            position: relative;
            overflow: hidden;
        }
        .booking-card::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 20px;
            right: 20px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), var(--accent-amber), transparent);
            border-radius: 4px;
        }
        .booking-card .booking-title {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-gold);
            margin-bottom: 8px;
            text-align: center;
        }
        .booking-card .booking-subtitle {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 20px;
        }
        .time-slot-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .time-slot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            border: 1.5px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-smooth);
            background: rgba(255, 255, 255, 0.02);
            color: var(--text-soft);
            font-weight: 500;
            font-size: 0.9rem;
        }
        .time-slot:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.15);
        }
        .time-slot.selected {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 0 16px rgba(255, 215, 0, 0.25);
            color: var(--accent-gold);
            font-weight: 600;
        }
        .time-slot .slot-remaining {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .time-slot.selected .slot-remaining {
            color: var(--accent-gold);
        }
        .btn-booking {
            display: block;
            width: 100%;
            background: linear-gradient(135deg, var(--accent-gold), #E6A800);
            border: none;
            color: #3D0005;
            padding: 14px 24px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 22px rgba(255, 159, 0, 0.45);
            letter-spacing: 0.3px;
        }
        .btn-booking:hover {
            background: linear-gradient(135deg, #FFE44D, #FFB830);
            box-shadow: 0 8px 30px rgba(255, 159, 0, 0.6);
            transform: translateY(-2px);
            color: #2D0004;
        }

        /* ========== SECTION STYLES ========== */
        .section-block {
            padding: 60px 0;
            position: relative;
            z-index: 1;
        }
        .section-block.alt-bg {
            background: rgba(28, 1, 5, 0.5);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-amber);
            margin-bottom: 8px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.6;
        }

        /* ========== COMPARISON TABLE ========== */
        .pricing-card {
            background: var(--bg-card);
            border: 1.5px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold-lg);
            background: var(--bg-card-alt);
            position: relative;
            z-index: 2;
        }
        .pricing-card.featured::before {
            content: 'PHỔ BIẾN NHẤT';
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #3D0005;
            padding: 5px 18px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(255, 159, 0, 0.5);
        }
        .pricing-name {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        .pricing-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-warm);
            margin-bottom: 16px;
        }
        .pricing-price .small-unit {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .pricing-features li {
            display: flex;
            align-items: flex-start;
            gap: 9px;
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.45;
        }
        .pricing-features li i.fa-check {
            color: #4CAF50;
            font-size: 0.85rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .pricing-features li i.fa-minus {
            color: #666;
            font-size: 0.85rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .btn-pricing {
            display: block;
            width: 100%;
            padding: 12px 20px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: center;
            transition: all var(--transition-smooth);
            border: 1.5px solid var(--accent-gold);
            background: transparent;
            color: var(--accent-gold);
            cursor: pointer;
        }
        .btn-pricing:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        .btn-pricing.btn-primary-gold {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: #3D0005;
            box-shadow: 0 4px 16px rgba(255, 159, 0, 0.4);
        }
        .btn-pricing.btn-primary-gold:hover {
            box-shadow: 0 6px 24px rgba(255, 159, 0, 0.55);
            transform: translateY(-1px);
        }

        /* ========== HIGHLIGHTS / BADGES ========== */
        .highlight-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: left;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            height: 100%;
        }
        .highlight-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-gold);
        }
        .highlight-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 159, 0, 0.15));
            border: 1px solid var(--border-gold-strong);
            margin-bottom: 14px;
            font-size: 1.4rem;
            color: var(--accent-gold);
        }
        .highlight-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 6px;
        }
        .highlight-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.55;
        }
        .highlight-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: 4px;
        }
        .highlight-card .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.8px;
        }

        /* ========== CONTENT PREVIEW ========== */
        .content-preview-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .content-preview-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .content-preview-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .content-preview-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .content-preview-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .content-preview-card .card-body-custom {
            padding: 18px 16px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .content-preview-card .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(255, 159, 0, 0.12);
            padding: 3px 10px;
            border-radius: 10px;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .content-preview-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .content-preview-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
            flex-grow: 1;
        }

        /* ========== FAQ ========== */
        .faq-section .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .faq-section .accordion-button {
            background: transparent;
            color: var(--text-warm);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            box-shadow: none;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }
        .faq-section .accordion-button::after {
            filter: brightness(0) invert(1) sepia(1) saturate(5) hue-rotate(10deg);
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            border-color: var(--border-gold-strong);
        }
        .faq-section .accordion-body {
            background: rgba(0, 0, 0, 0.2);
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 1.65;
            padding: 16px 20px;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(160deg, rgba(74, 0, 7, 0.8) 0%, rgba(45, 0, 4, 0.9) 100%);
            border-top: 1px solid var(--border-gold-strong);
            border-bottom: 1px solid var(--border-gold-strong);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.1;
            z-index: -1;
        }
        .cta-card {
            background: rgba(28, 1, 5, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid var(--border-gold-strong);
            border-radius: var(--radius-xl);
            padding: 44px 32px;
            text-align: center;
            box-shadow: var(--shadow-gold-lg);
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-warm);
            margin-bottom: 10px;
        }
        .cta-card p {
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), #E6A800);
            border: none;
            color: #3D0005;
            padding: 15px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            box-shadow: 0 8px 28px rgba(255, 159, 0, 0.5);
            text-decoration: none;
        }
        .btn-cta-large:hover {
            background: linear-gradient(135deg, #FFE44D, #FFB830);
            box-shadow: 0 10px 36px rgba(255, 159, 0, 0.65);
            transform: translateY(-2px);
            color: #2D0004;
        }

        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 40% 35%, #5C1A00, #2D0004);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-smooth);
            animation: fabFloat 3s ease-in-out infinite;
            text-decoration: none;
        }
        .fab-floating:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            border-color: var(--accent-bright-gold);
        }
        .fab-floating:active {
            transform: scale(0.95);
        }
        .fab-floating i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: transform var(--transition-smooth);
        }
        .fab-floating:hover i {
            transform: rotate(360deg);
        }
        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #2D0004;
            animation: fabBlink 1.5s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }
        @keyframes fabBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .fab-tooltip {
            position: absolute;
            left: 64px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--bg-card);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            border: 1px solid var(--border-gold-strong);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-fast);
        }
        .fab-floating:hover .fab-tooltip {
            opacity: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(20, 0, 3, 0.95);
            border-top: 2px solid var(--border-gold-strong);
            padding: 50px 0 24px;
            position: relative;
            z-index: 1;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--accent-gold);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.25);
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-gold);
            white-space: nowrap;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-section {
                padding: 44px 0 40px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .pricing-card {
                padding: 24px 18px 22px;
            }
            .pricing-price {
                font-size: 1.6rem;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .header-actions {
                margin-top: 10px;
                flex-direction: row;
                gap: 8px;
            }
            .navbar-nav {
                padding: 10px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 12px !important;
                border-radius: 6px;
            }
            .brand-logo span {
                max-width: 180px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 767px) {
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .pricing-card {
                margin-bottom: 16px;
            }
            .booking-card {
                padding: 20px 16px;
                margin-top: 20px;
            }
            .cta-card {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 70px;
            }
            .fab-floating i {
                font-size: 1.3rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .highlight-card {
                padding: 18px 14px;
            }
            .highlight-card .stat-number {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-section {
                padding: 30px 0 28px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .brand-logo span {
                max-width: 140px;
                font-size: 0.8rem;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .booking-card {
                padding: 16px 12px;
            }
            .time-slot {
                padding: 10px 12px;
                font-size: 0.82rem;
            }
            .btn-booking {
                padding: 12px 18px;
                font-size: 0.9rem;
            }
            .pricing-card {
                padding: 20px 14px;
            }
            .pricing-price {
                font-size: 1.4rem;
            }
            .content-preview-card .card-body-custom {
                padding: 14px 12px;
            }
            .content-preview-card h3 {
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #4A0007;
            --bg-secondary: #8B0000;
            --bg-card: #1C0A0C;
            --bg-dark: #0D0305;
            --accent-gold: #FFD700;
            --accent-amber: #FF9F00;
            --accent-red: #D32F2F;
            --text-white: #FFFDF9;
            --text-gold: #FEF08A;
            --text-muted: #D4A98A;
            --text-body: #F5E6D3;
            --border-gold: #B8860B;
            --border-card: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.18);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-md: 40px;
            --spacing-sm: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            background-image: radial-gradient(ellipse at 50% 0%, rgba(180, 60, 40, 0.25) 0%, transparent 65%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 170, 0, 0.08) 0%, transparent 50%);
            background-attachment: fixed;
        }

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

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 0.5em;
        }

        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 650;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-body);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: rgba(13, 3, 5, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .site-header .navbar {
            padding: 10px 0;
            min-height: 62px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 750;
            font-size: 1.05rem;
            color: var(--accent-gold) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }
        .brand-logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.5));
        }
        .brand-logo span {
            background: linear-gradient(180deg, #FFE87C 0%, #FFD700 40%, #B8860B 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand-logo:hover {
            opacity: 0.85;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 215, 0, 0.35);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            background: rgba(0, 0, 0, 0.4);
            transition: var(--transition);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-nav {
            gap: 6px;
        }
        .nav-link {
            color: var(--text-muted) !important;
            font-weight: 550;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 20px;
            transition: var(--transition);
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-link:hover {
            color: var(--text-gold) !important;
            background: rgba(255, 215, 0, 0.06);
        }
        .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.12);
            font-weight: 650;
            box-shadow: inset 0 0 0 1px rgba(255, 215, 0, 0.3);
        }

        .header-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .btn-login {
            background: transparent;
            color: var(--text-gold);
            border: 1px solid rgba(255, 215, 0, 0.4);
            padding: 8px 20px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: var(--transition);
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: #fff;
            box-shadow: 0 0 16px rgba(255, 215, 0, 0.2);
        }
        .btn-signup {
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            color: #3D0000;
            border: none;
            padding: 8px 22px;
            border-radius: 22px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(255, 159, 0, 0.35);
            transition: var(--transition);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 159, 0, 0.5);
            background: linear-gradient(135deg, #FFE87C 0%, #FFB820 100%);
            color: #1A0000;
        }
        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 159, 0, 0.3);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 70px;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-blend-mode: overlay;
            background-color: rgba(30, 3, 6, 0.78);
            overflow: hidden;
            border-bottom: 2px solid rgba(255, 215, 0, 0.25);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(200, 80, 30, 0.35) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(255, 180, 0, 0.15) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-question {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-gold);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            line-height: 1.4;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 850;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            text-shadow: 0 3px 14px rgba(0, 0, 0, 0.55);
        }
        .hero-title .gold-highlight {
            background: linear-gradient(180deg, #FFE87C 0%, #FFD700 35%, #C8960A 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-body);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
        }
        .hero-form-group {
            display: flex;
            gap: 10px;
            max-width: 520px;
            flex-wrap: wrap;
        }
        .hero-form-group input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 28px;
            border: 1.5px solid rgba(255, 215, 0, 0.4);
            background: rgba(0, 0, 0, 0.55);
            color: #fff;
            font-size: 0.95rem;
            backdrop-filter: blur(6px);
            transition: var(--transition);
            font-family: var(--font-body);
        }
        .hero-form-group input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .hero-form-group input:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.12);
            background: rgba(0, 0, 0, 0.7);
        }
        .hero-form-group .btn-submit {
            padding: 13px 28px;
            border-radius: 28px;
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            color: #3D0000;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: none;
            box-shadow: 0 4px 18px rgba(255, 159, 0, 0.4);
            white-space: nowrap;
            transition: var(--transition);
        }
        .hero-form-group .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 159, 0, 0.55);
            background: linear-gradient(135deg, #FFE87C 0%, #FFB820 100%);
        }
        .hero-form-group .btn-submit:active {
            transform: translateY(0);
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section-block.bg-alt {
            background: var(--bg-dark);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }
        .section-heading {
            font-size: 2rem;
            font-weight: 750;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .section-subheading {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 650px;
            line-height: 1.6;
            margin-bottom: 28px;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            background: var(--bg-card);
            border: 1px solid var(--border-card);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.95rem;
        }
        .comparison-table thead th {
            background: linear-gradient(180deg, rgba(180, 40, 20, 0.6) 0%, rgba(100, 10, 5, 0.7) 100%);
            color: #fff;
            padding: 16px 18px;
            font-weight: 700;
            font-size: 1rem;
            text-align: left;
            border-bottom: 2px solid var(--accent-gold);
            letter-spacing: 0.02em;
        }
        .comparison-table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }
        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .comparison-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-body);
            vertical-align: middle;
        }
        .comparison-table tbody tr:hover td {
            background: rgba(255, 215, 0, 0.03);
        }
        .comparison-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius-lg);
        }
        .comparison-table tbody tr:last-child td:last-child {
            border-radius: 0 0 var(--radius-lg) 0;
        }
        .badge-check {
            color: #4CAF50;
            font-size: 1.2rem;
        }
        .badge-cross {
            color: #E53935;
            font-size: 1.2rem;
        }
        .badge-warn {
            color: #FF9800;
            font-size: 1.2rem;
        }

        /* ========== TIER CARDS ========== */
        .tier-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-card);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }
        .tier-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 215, 0, 0.5);
        }
        .tier-card .tier-icon {
            font-size: 2.4rem;
            margin-bottom: 14px;
            display: inline-block;
            filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3));
        }
        .tier-card .tier-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 10px;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        .tier-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .tier-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .tier-card.tier-premium {
            border-color: rgba(255, 215, 0, 0.5);
            background: linear-gradient(180deg, rgba(40, 10, 5, 0.9) 0%, var(--bg-card) 100%);
            box-shadow: 0 0 28px rgba(255, 180, 0, 0.15);
        }
        .tier-card.tier-premium .tier-badge {
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            color: #3D0000;
            border: none;
            font-weight: 750;
        }

        /* ========== CONTENT PREVIEW CARDS ========== */
        .preview-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-card);
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            display: flex;
            flex-direction: column;
        }
        .preview-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 215, 0, 0.45);
        }
        .preview-card .preview-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            flex-shrink: 0;
        }
        .preview-card .preview-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .preview-card:hover .preview-img-wrap img {
            transform: scale(1.06);
        }
        .preview-card .preview-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(180, 20, 20, 0.9);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .preview-card .preview-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .preview-card .preview-body h4 {
            font-size: 1.05rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .preview-card .preview-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 12px;
            flex: 1;
        }
        .preview-card .preview-link {
            font-weight: 650;
            font-size: 0.85rem;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }
        .preview-card .preview-link:hover {
            color: #FFE87C;
            gap: 8px;
        }

        /* ========== DATA BADGES ========== */
        .data-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin: 20px 0;
        }
        .data-badge-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            text-align: center;
            min-width: 130px;
            flex: 1;
            max-width: 200px;
            transition: var(--transition);
            box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
        }
        .data-badge-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 215, 0, 0.5);
        }
        .data-badge-item .data-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(180deg, #FFE87C 0%, #FFD700 40%, #C8960A 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }
        .data-badge-item .data-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-top: 4px;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(255, 215, 0, 0.35);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 650;
            font-size: 1rem;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            letter-spacing: 0.01em;
            transition: var(--transition);
            border-radius: var(--radius-md) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.07);
            color: var(--accent-gold);
            box-shadow: none;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(0.8);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            border-color: var(--accent-gold);
        }
        .faq-accordion .accordion-body {
            color: var(--text-body);
            padding: 16px 20px 20px;
            line-height: 1.7;
            font-size: 0.95rem;
            background: rgba(0, 0, 0, 0.2);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(180deg, rgba(60, 8, 4, 0.9) 0%, rgba(20, 3, 2, 0.95) 100%);
            border-top: 2px solid rgba(255, 215, 0, 0.3);
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            padding: 60px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(255, 180, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 750;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 550px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .btn-cta-primary {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 30px;
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            color: #3D0000;
            font-weight: 750;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: none;
            box-shadow: 0 6px 24px rgba(255, 159, 0, 0.45);
            transition: var(--transition);
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 159, 0, 0.6);
            background: linear-gradient(135deg, #FFE87C 0%, #FFB820 100%);
            color: #1A0000;
        }
        .btn-cta-primary:active {
            transform: translateY(0);
        }

        /* ========== FAB ========== */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1040;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: radial-gradient(circle at 40% 35%, #4A0007, #1C0002);
            border: 2.5px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            animation: fab-breathe 3s ease-in-out infinite;
            transition: var(--transition);
            opacity: 0.7;
            text-decoration: none;
        }
        .fab-float i {
            font-size: 1.3rem;
            color: #FFD700;
            filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
            transition: var(--transition);
        }
        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            border-color: #FFE87C;
        }
        .fab-float:hover i {
            transform: rotate(360deg);
            filter: drop-shadow(0 0 12px rgba(255, 215, 0, 0.8));
        }
        .fab-float:active {
            transform: scale(0.95);
        }
        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 1.5px solid #fff;
            animation: fab-blink 1.2s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        @keyframes fab-blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.25;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 2px solid rgba(255, 215, 0, 0.25);
            padding: 50px 0 28px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: var(--text-muted);
            max-width: 380px;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }
        .footer-badge i {
            font-size: 0.8rem;
            color: var(--accent-gold);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-question {
                font-size: 1.25rem;
            }
            .section-heading {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .data-badge-item {
                min-width: 100px;
                max-width: 160px;
                padding: 16px 14px;
            }
            .data-badge-item .data-number {
                font-size: 1.5rem;
            }
            .comparison-table {
                min-width: 580px;
                font-size: 0.85rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0 40px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-question {
                font-size: 1.1rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-form-group {
                flex-direction: column;
                max-width: 100%;
            }
            .hero-form-group input {
                min-width: auto;
                width: 100%;
            }
            .hero-form-group .btn-submit {
                width: 100%;
                text-align: center;
            }
            .section-block {
                padding: 44px 0;
            }
            .section-heading {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .data-badge-row {
                gap: 10px;
            }
            .data-badge-item {
                min-width: 80px;
                max-width: 140px;
                padding: 12px 10px;
            }
            .data-badge-item .data-number {
                font-size: 1.3rem;
            }
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .comparison-table {
                min-width: 500px;
                font-size: 0.8rem;
            }
            .tier-card {
                padding: 20px 16px;
            }
            .preview-card .preview-body {
                padding: 14px 12px;
            }
            .fab-float {
                width: 46px;
                height: 46px;
                left: 12px;
                bottom: 80px;
            }
            .fab-float i {
                font-size: 1.1rem;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .brand-logo span {
                font-size: 0.85rem;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-question {
                font-size: 1rem;
            }
            .section-heading {
                font-size: 1.25rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            .data-badge-row {
                gap: 6px;
            }
            .data-badge-item {
                min-width: 65px;
                max-width: 110px;
                padding: 10px 8px;
                border-radius: var(--radius-sm);
            }
            .data-badge-item .data-number {
                font-size: 1.1rem;
            }
            .data-badge-item .data-label {
                font-size: 0.7rem;
            }
            .comparison-table {
                min-width: 420px;
                font-size: 0.72rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 8px 8px;
            }
            .tier-card {
                padding: 16px 12px;
                border-radius: var(--radius-md);
            }
            .tier-card h3 {
                font-size: 1.05rem;
            }
            .preview-card {
                border-radius: var(--radius-md);
            }
            .preview-card .preview-body h4 {
                font-size: 0.9rem;
            }
            .fab-float {
                width: 40px;
                height: 40px;
                left: 8px;
                bottom: 60px;
                border-width: 2px;
            }
            .fab-float i {
                font-size: 1rem;
            }
            .btn-cta-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }