/* roulang page: index */
:root {
            --primary: #8B0000;
            --primary-dark: #4A0007;
            --primary-darker: #1A0508;
            --accent: #FFD700;
            --accent-warm: #FF9F00;
            --accent-soft: #FEF08A;
            --text: #FFFDF9;
            --text-muted: #E8D5B8;
            --text-faint: #C4A98E;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.65);
            --card-bg: rgba(74, 0, 7, 0.78);
            --card-bg-hover: rgba(110, 0, 10, 0.85);
            --overlay-dark: rgba(26, 5, 8, 0.75);
            --overlay-hero: rgba(26, 5, 8, 0.62);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.42);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.22);
            --shadow-gold-lg: 0 8px 48px rgba(255, 215, 0, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.15s ease;
            --transition-slow: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --body-padding-bottom: 90px;
        }

        * {
            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);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--primary-darker);
            background-image: radial-gradient(ellipse at 20% 15%, rgba(139, 0, 0, 0.55), transparent 55%),
                              radial-gradient(ellipse at 85% 80%, rgba(74, 0, 7, 0.8), transparent 60%),
                              linear-gradient(180deg, #1A0508 0%, #2A0A0D 35%, #1A0508 70%, #0D0305 100%);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: var(--body-padding-bottom);
        }

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

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

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

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin: 0 0 0.75rem;
        }

        h1 {
            font-size: clamp(1.9rem, 5vw, 3.4rem);
            letter-spacing: -0.02em;
            text-shadow: 0 4px 30px rgba(255, 215, 0, 0.2);
        }

        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.3rem);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.15rem, 2.2vw, 1.5rem);
        }

        p {
            margin: 0 0 1rem;
        }

        .section-title {
            font-size: clamp(1.4rem, 3.2vw, 2.1rem);
            font-weight: 800;
            margin-bottom: 0.5rem;
            position: relative;
            padding-left: 1.25rem;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--accent), var(--accent-warm));
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.45);
        }

        .section-subtitle {
            font-size: clamp(0.95rem, 1.6vw, 1.1rem);
            color: var(--text-muted);
            margin-bottom: 2rem;
            padding-left: 1.25rem;
            max-width: 720px;
        }

        .grid-container {
            max-width: 1200px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 5, 8, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0.6rem 0;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(26, 5, 8, 0.96);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.55);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .logo-link:hover,
        .logo-link:focus {
            color: var(--accent);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFD700, #B8860B);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1A0508;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .main-nav a {
            display: inline-block;
            padding: 0.5rem 0.95rem;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text-muted);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--accent);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active {
            color: var(--accent);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
            box-shadow: inset 0 -2px 0 var(--accent);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-left: 0.5rem;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            background: transparent;
            border: 1px solid var(--border-gold);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(255, 215, 0, 0.06);
        }

        .btn-signup {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #1A0508;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            border: none;
            box-shadow: 0 4px 16px rgba(255, 159, 0, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE55C, #FFB020);
            box-shadow: 0 6px 28px rgba(255, 159, 0, 0.5);
            color: #1A0508;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-gold);
            border-radius: 8px;
            color: var(--accent);
            font-size: 1.3rem;
            padding: 0.4rem 0.7rem;
            cursor: pointer;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0.25rem;
            padding: 0.75rem 1rem 1rem;
            background: rgba(26, 5, 8, 0.98);
            border-top: 1px solid var(--border-gold);
        }

        .mobile-menu a {
            padding: 0.65rem 0.9rem;
            border-radius: 8px;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(255, 215, 0, 0.08);
        }

        .mobile-menu.open {
            display: flex;
        }

        /* Hero — Video Style */
        .hero-video {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-video::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(125deg, rgba(26, 5, 8, 0.82) 20%, rgba(74, 0, 7, 0.55) 55%, rgba(26, 5, 8, 0.88) 100%);
            z-index: 1;
        }

        .hero-video::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 75% 40%, rgba(255, 215, 0, 0.12), transparent 45%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold-strong);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-soft);
            letter-spacing: 0.4px;
            margin-bottom: 1.25rem;
            animation: fadeInUp 0.6s ease both;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ADE80;
            box-shadow: 0 0 8px #4ADE80;
            animation: pulse-dot 1.5s infinite;
        }

        .hero-title {
            font-size: clamp(2rem, 5.2vw, 3.6rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 1rem;
            color: var(--text);
            text-shadow: 0 4px 40px rgba(255, 215, 0, 0.25);
            animation: fadeInUp 0.6s ease 0.08s both;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #FFD700, #FF9F00, #FFD700);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-fill-color: transparent;
            filter: drop-shadow(0 2px 14px rgba(255, 215, 0, 0.35));
        }

        .hero-desc {
            font-size: clamp(0.98rem, 1.6vw, 1.12rem);
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 1.75rem;
            animation: fadeInUp 0.6s ease 0.16s both;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
            animation: fadeInUp 0.6s ease 0.24s both;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 1.9rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            color: #1A0508;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 24px rgba(255, 159, 0, 0.4);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #FFE55C, #FFB020);
            box-shadow: 0 8px 36px rgba(255, 159, 0, 0.55);
            transform: translateY(-2px);
            color: #1A0508;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 14px rgba(255, 159, 0, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-gold-strong);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            backdrop-filter: blur(6px);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(255, 215, 0, 0.08);
        }

        .hero-play-btn {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFD700, #B8860B);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #1A0508;
            font-size: 1.6rem;
            cursor: pointer;
            border: 3px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 0 0 12px rgba(255, 215, 0, 0.15), 0 8px 40px rgba(255, 215, 0, 0.4);
            transition: all var(--transition);
            animation: pulse-ring 2.2s infinite;
        }

        .hero-play-btn:hover {
            transform: scale(1.08);
            box-shadow: 0 0 0 20px rgba(255, 215, 0, 0.2), 0 12px 56px rgba(255, 215, 0, 0.55);
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            animation: fadeInUp 0.6s ease 0.32s both;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 0.1rem;
        }

        .hero-stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.01em;
        }

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

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.55; transform: scale(0.8); }
        }

        @keyframes pulse-ring {
            0% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4), 0 8px 40px rgba(255, 215, 0, 0.4); }
            70% { box-shadow: 0 0 0 22px rgba(255, 215, 0, 0), 0 8px 40px rgba(255, 215, 0, 0.4); }
            100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0), 0 8px 40px rgba(255, 215, 0, 0.4); }
        }

        /* Game Track — Slider-like Horizontal Cards */
        .game-track-section {
            padding: 4rem 0 3rem;
            position: relative;
            z-index: 5;
        }

        .game-track-hint {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-faint);
            margin-bottom: 1rem;
        }

        .game-track-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding: 0.5rem 0.25rem 1rem;
            scrollbar-width: thin;
            scrollbar-color: var(--border-gold) transparent;
        }

        .game-track-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .game-track-scroll::-webkit-scrollbar-track {
            background: rgba(255, 215, 0, 0.05);
            border-radius: 3px;
        }

        .game-track-scroll::-webkit-scrollbar-thumb {
            background: var(--border-gold);
            border-radius: 3px;
        }

        .game-track-item {
            flex: 0 0 auto;
            width: 200px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            transition: all var(--transition);
            position: relative;
        }

        .game-track-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .game-track-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: #1A0508;
        }

        .game-track-info {
            padding: 0.7rem 0.85rem;
        }

        .game-track-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 0.2rem;
            color: var(--text);
        }

        .game-track-info span {
            font-size: 0.78rem;
            color: var(--text-faint);
        }

        .game-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            background: rgba(26, 5, 8, 0.85);
            color: var(--accent);
            border: 1px solid var(--border-gold);
            backdrop-filter: blur(6px);
        }

        .game-tag.hot {
            background: rgba(211, 47, 47, 0.85);
            color: #fff;
            border-color: rgba(255, 100, 100, 0.6);
        }

        .game-tag.new {
            background: rgba(74, 222, 128, 0.85);
            color: #052E16;
            border-color: rgba(134, 239, 172, 0.6);
        }

        /* Hot Recommendations */
        .hot-recommend-section {
            padding: 3.5rem 0;
            background: rgba(26, 5, 8, 0.45);
            border-top: 1px solid rgba(255, 215, 0, 0.08);
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
        }

        .hot-game-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .hot-game-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-5px);
            background: var(--card-bg-hover);
        }

        .hot-game-cover {
            width: 100%;
            height: 190px;
            object-fit: cover;
            background: #1A0508;
            position: relative;
        }

        .hot-game-body {
            padding: 1.1rem 1.2rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .hot-game-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0;
        }

        .hot-game-body p {
            font-size: 0.87rem;
            color: var(--text-muted);
            margin: 0;
            flex: 1;
        }

        .hot-game-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--text-faint);
            margin-top: auto;
        }

        /* Category Grid */
        .category-grid-section {
            padding: 4rem 0;
        }

        .category-card {
            display: block;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            transition: all var(--transition);
            height: 100%;
            position: relative;
        }

        .category-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .category-card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            background: #1A0508;
        }

        .category-card-body {
            padding: 1rem 1.2rem 1.1rem;
        }

        .category-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: var(--text);
        }

        .category-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        .category-arrow {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(26, 5, 8, 0.75);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.9rem;
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }

        .category-card:hover .category-arrow {
            background: var(--accent);
            color: #1A0508;
        }

        /* Feature Triple */
        .feature-triple-section {
            padding: 4rem 0;
            background: linear-gradient(135deg, rgba(74, 0, 7, 0.5), rgba(26, 5, 8, 0.6));
            border-top: 1px solid rgba(255, 215, 0, 0.06);
            border-bottom: 1px solid rgba(255, 215, 0, 0.06);
        }

        .feature-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 1.25rem 0;
        }

        .feature-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
        }

        .feature-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
        }

        .feature-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* Scene Demo */
        .scene-demo-section {
            padding: 4.5rem 0;
            position: relative;
        }

        .scene-panel {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-md);
            min-height: 320px;
            position: relative;
        }

        .scene-panel-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
            opacity: 0.35;
        }

        .scene-panel-content {
            position: relative;
            z-index: 2;
            padding: 2.2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 320px;
        }

        .scene-panel-content h3 {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            margin-bottom: 0.75rem;
        }

        .scene-panel-content p {
            color: var(--text-muted);
            max-width: 520px;
            margin-bottom: 1.2rem;
        }

        .scene-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .scene-points li {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-size: 0.95rem;
            color: var(--text);
        }

        .scene-points li i {
            color: var(--accent);
            font-size: 0.85rem;
        }

        /* Guest Spotlight */
        .guest-spotlight-section {
            padding: 3.5rem 0;
            border-top: 1px solid rgba(255, 215, 0, 0.06);
        }

        .guest-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding: 0.5rem 0.25rem 1rem;
            scrollbar-width: thin;
            scrollbar-color: var(--border-gold) transparent;
        }

        .guest-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .guest-scroll::-webkit-scrollbar-track {
            background: rgba(255, 215, 0, 0.05);
        }

        .guest-scroll::-webkit-scrollbar-thumb {
            background: var(--border-gold);
            border-radius: 3px;
        }

        .guest-card {
            flex: 0 0 auto;
            width: 250px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            transition: all var(--transition);
        }

        .guest-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-gold);
        }

        .guest-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            background: #1A0508;
            border: 2px solid var(--border-gold-strong);
        }

        .guest-card h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin: 0;
        }

        .guest-card .guest-role {
            font-size: 0.78rem;
            color: var(--text-faint);
        }

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

        /* Testimonial Wall */
        .testimonial-section {
            padding: 4rem 0;
            background: rgba(26, 5, 8, 0.4);
            border-top: 1px solid rgba(255, 215, 0, 0.06);
            border-bottom: 1px solid rgba(255, 215, 0, 0.06);
        }

        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            padding: 1.5rem;
            height: 100%;
            transition: all var(--transition);
        }

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

        .testimonial-quote {
            font-size: 0.93rem;
            color: var(--text);
            font-style: italic;
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .testimonial-quote::before {
            content: '\201C';
            font-size: 2rem;
            color: var(--accent);
            line-height: 1;
            margin-right: 0.25rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.65rem;
        }

        .testimonial-author img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            background: #1A0508;
            border: 1px solid var(--border-gold);
        }

        .testimonial-author span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* News List with CMS */
        .news-section {
            padding: 4rem 0;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
        }

        .news-link {
            display: block;
            padding: 1rem 1.2rem;
            border-radius: var(--radius-sm);
            background: rgba(74, 0, 7, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: all var(--transition);
        }

        .news-link:hover {
            border-color: var(--accent);
            background: rgba(255, 215, 0, 0.06);
            transform: translateX(4px);
        }

        .news-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            display: block;
            margin-bottom: 0.3rem;
        }

        .news-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--text-faint);
        }

        .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
        }

        .topic-tag {
            display: inline-block;
            padding: 0.4rem 0.95rem;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--accent-soft);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .topic-tag:hover {
            background: rgba(255, 215, 0, 0.16);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }

        .news-sidebar {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            padding: 1.5rem;
        }

        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text);
        }

        /* FAQ */
        .faq-section {
            padding: 4rem 0 3rem;
        }

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

        .faq-accordion .accordion-item {
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
        }

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

        .faq-accordion .accordion-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text) !important;
            padding: 1.15rem 1.5rem;
            background: transparent;
            border: none;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-title:hover {
            color: var(--accent) !important;
            background: rgba(255, 215, 0, 0.04);
        }

        .faq-accordion .accordion-title::before {
            color: var(--accent);
        }

        .faq-accordion .accordion-content {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.92rem;
            color: var(--text-muted);
            background: transparent;
            border: none;
            line-height: 1.6;
        }

        /* CTA Download */
        .cta-download-section {
            padding: 4.5rem 0;
        }

        .cta-panel {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: linear-gradient(135deg, rgba(139, 0, 0, 0.65), rgba(74, 0, 7, 0.8));
            border: 1px solid var(--border-gold-strong);
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-gold-lg);
            position: relative;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(255, 215, 0, 0.12), transparent 55%);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: clamp(1.3rem, 3vw, 1.9rem);
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-panel p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            position: relative;
            z-index: 1;
        }

        .cta-btn-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-darker);
            border-top: 1px solid var(--border-gold);
            padding: 2.5rem 0 1.5rem;
        }

        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            flex: 1 1 260px;
            min-width: 220px;
        }

        .footer-brand .logo-link {
            font-size: 1.15rem;
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }

        .footer-links {
            flex: 1 1 180px;
            min-width: 150px;
        }

        .footer-links h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.75rem;
            letter-spacing: 0.3px;
        }

        .footer-links a {
            display: block;
            padding: 0.3rem 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-faint);
        }

        .footer-bottom a {
            color: var(--text-faint);
        }

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

        .footer-badges {
            display: flex;
            gap: 0.6rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-badge {
            padding: 0.3rem 0.7rem;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.07);
            border: 1px solid var(--border-gold);
            font-size: 0.72rem;
            color: var(--accent-soft);
            white-space: nowrap;
        }

        /* Floating Bottom CTA Bar */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 990;
            background: rgba(26, 5, 8, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-gold-strong);
            padding: 0.65rem 1rem;
            box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.55);
        }

        .cta-bar-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .cta-bar-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-soft);
        }

        .cta-bar-text strong {
            color: var(--accent);
        }

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 20px;
            bottom: 110px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 32% 28%, #2A0A0D, #1A0508);
            border: 2px solid var(--accent);
            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);
            animation: fab-breathe 3s infinite;
            opacity: 0.7;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

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

        .fab-royal .fab-icon {
            font-size: 1.5rem;
            color: var(--accent);
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #1A0508;
            animation: fab-blink 1.4s infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: scale(1); box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); }
            50% { transform: scale(1.04); box-shadow: 0 6px 28px rgba(255, 215, 0, 0.42); }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* Section spacing helpers */
        section {
            position: relative;
        }

        /* Foundation Overrides */
        .button {
            font-family: var(--font-body);
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition);
        }

        .button.primary {
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            color: #1A0508;
        }

        .button.primary:hover {
            background: linear-gradient(135deg, #FFE55C, #FFB020);
            color: #1A0508;
        }

        .accordion {
            background: transparent;
        }

        .accordion-title {
            font-family: var(--font-body);
            border: none;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .hero-video {
                min-height: 75vh;
                padding: 100px 0 60px;
                background-attachment: scroll;
            }

            .game-track-item {
                width: 175px;
            }

            .hot-game-cover {
                height: 160px;
            }

            .category-card-img {
                height: 145px;
            }
        }

        @media screen and (max-width: 768px) {
            body {
                font-size: 15px;
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .nav-auth {
                gap: 0.4rem;
                margin-left: 0;
            }

            .btn-login {
                padding: 0.4rem 0.8rem;
                font-size: 0.8rem;
            }

            .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }

            .logo-link {
                font-size: 1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

            .hero-video {
                min-height: 70vh;
                padding: 90px 0 50px;
            }

            .hero-title {
                font-size: clamp(1.6rem, 6vw, 2.3rem);
            }

            .hero-stats {
                gap: 1.2rem;
            }

            .hero-stat-number {
                font-size: 1.3rem;
            }

            .game-track-item {
                width: 155px;
            }

            .game-track-img {
                height: 110px;
            }

            .hot-game-cover {
                height: 150px;
            }

            .category-card-img {
                height: 135px;
            }

            .scene-panel-content {
                padding: 1.5rem;
                min-height: 260px;
            }

            .scene-panel {
                min-height: 260px;
            }

            .cta-panel {
                padding: 1.8rem 1.2rem;
            }

            .floating-cta-bar {
                padding: 0.5rem 0.75rem;
            }

            .cta-bar-text {
                font-size: 0.78rem;
            }

            .fab-royal {
                left: 14px;
                bottom: 95px;
                width: 48px;
                height: 48px;
            }

            .fab-royal .fab-icon {
                font-size: 1.25rem;
            }

            .footer-top {
                gap: 1.5rem;
            }
        }

        @media screen and (max-width: 520px) {
            body {
                font-size: 14px;
                --body-padding-bottom: 80px;
            }

            .logo-link {
                font-size: 0.88rem;
                gap: 0.35rem;
            }

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

            .btn-login {
                padding: 0.35rem 0.65rem;
                font-size: 0.72rem;
            }

            .btn-signup {
                padding: 0.35rem 0.7rem;
                font-size: 0.72rem;
            }

            .nav-toggle {
                font-size: 1.1rem;
                padding: 0.35rem 0.55rem;
            }

            .hero-video {
                min-height: 68vh;
                padding: 80px 0 40px;
            }

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

            .hero-title {
                font-size: 1.5rem;
            }

            .hero-desc {
                font-size: 0.85rem;
            }

            .btn-primary,
            .btn-outline {
                padding: 0.65rem 1.2rem;
                font-size: 0.85rem;
            }

            .hero-play-btn {
                width: 52px;
                height: 52px;
                font-size: 1.2rem;
            }

            .hero-stats {
                gap: 0.9rem;
            }

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

            .hero-stat-label {
                font-size: 0.72rem;
            }

            .game-track-item {
                width: 140px;
            }

            .game-track-img {
                height: 95px;
            }

            .hot-game-cover {
                height: 130px;
            }

            .category-card-img {
                height: 115px;
            }

            .section-title {
                font-size: 1.2rem;
                padding-left: 0.9rem;
            }

            .section-title::before {
                top: 6px;
                bottom: 6px;
                width: 3px;
            }

            .section-subtitle {
                font-size: 0.85rem;
                padding-left: 0.9rem;
            }

            .testimonial-card {
                padding: 1rem;
            }

            .faq-accordion .accordion-title {
                font-size: 0.85rem;
                padding: 0.9rem 1rem;
            }

            .faq-accordion .accordion-content {
                padding: 0 1rem 1rem;
                font-size: 0.82rem;
            }

            .cta-panel {
                padding: 1.4rem 1rem;
            }

            .cta-panel h2 {
                font-size: 1.15rem;
            }

            .floating-cta-bar {
                padding: 0.4rem 0.6rem;
            }

            .cta-bar-text {
                font-size: 0.7rem;
            }

            .fab-royal {
                left: 10px;
                bottom: 85px;
                width: 42px;
                height: 42px;
            }

            .fab-royal .fab-icon {
                font-size: 1.1rem;
            }

            .fab-notification {
                width: 11px;
                height: 11px;
                top: -3px;
                right: -3px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #8B0000;
            --primary-dark: #4A0007;
            --primary-darker: #1A0508;
            --accent: #FFD700;
            --accent-warm: #FF9F00;
            --accent-soft: #FEF08A;
            --text: #FFFDF9;
            --text-muted: #E8D5B8;
            --text-faint: #C4A98E;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.65);
            --card-bg: rgba(74, 0, 7, 0.78);
            --card-bg-hover: rgba(110, 0, 10, 0.85);
            --overlay-dark: rgba(26, 5, 8, 0.75);
            --overlay-hero: rgba(26, 5, 8, 0.62);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.42);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.22);
            --shadow-gold-lg: 0 8px 48px rgba(255, 215, 0, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.15s ease;
            --transition-slow: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --body-padding-bottom: 90px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--primary-darker);
            background-image: radial-gradient(ellipse at 20% 15%, rgba(139, 0, 0, 0.55), transparent 55%),
                              radial-gradient(ellipse at 85% 80%, rgba(74, 0, 7, 0.8), transparent 60%),
                              linear-gradient(180deg, #1A0508 0%, #2A0A0D 35%, #1A0508 70%, #0D0305 100%);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: var(--body-padding-bottom);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--accent-soft);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .grid-container {
            max-width: 1200px;
        }
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 5, 8, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0.6rem 0;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(26, 5, 8, 0.96);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.55);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .logo-link:hover,
        .logo-link:focus {
            color: var(--accent);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFD700, #B8860B);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1A0508;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .main-nav a {
            display: inline-block;
            padding: 0.5rem 0.95rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            border-radius: 999px;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            border: 1px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--accent);
            background: rgba(255, 215, 0, 0.08);
            border-color: var(--border-gold);
        }
        .main-nav a.active {
            color: var(--accent-soft);
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--border-gold-strong);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.55rem 1.2rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--accent-soft);
            border: 1px solid var(--border-gold-strong);
            background: transparent;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(255, 215, 0, 0.15);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-solid {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.55rem 1.4rem;
            border-radius: 999px;
            font-weight: 800;
            font-size: 0.95rem;
            color: #1A0508;
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            border: none;
            box-shadow: var(--shadow-gold);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-solid:hover,
        .btn-solid:focus {
            background: linear-gradient(135deg, #FFE14D, #FFB300);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-lg);
            color: #1A0508;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent);
            font-size: 1.5rem;
            border-radius: 8px;
            padding: 0.3rem 0.7rem;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.12);
            color: #fff;
        }
        /* Article Hero */
        .article-hero {
            margin-top: 76px;
            padding: 2.5rem 0 2rem;
            position: relative;
            background: linear-gradient(180deg, rgba(26,5,8,0.0) 0%, rgba(26,5,8,0.6) 100%);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            pointer-events: none;
            z-index: 0;
        }
        .article-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.9rem;
            color: var(--text-faint);
            margin-bottom: 1rem;
        }
        .breadcrumb a {
            color: var(--accent);
        }
        .breadcrumb .sep {
            opacity: 0.5;
        }
        .article-title {
            font-size: clamp(1.8rem, 5vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
            color: #fff;
            text-shadow: 0 2px 12px rgba(0,0,0,0.5);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            align-items: center;
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        .article-meta i {
            margin-right: 0.35rem;
            color: var(--accent);
        }
        .meta-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            font-weight: 600;
            color: var(--accent-soft);
        }
        /* Article Body */
        .article-body {
            padding: 2rem 0 3rem;
        }
        .article-body .grid-container {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-md);
        }
        .article-prose {
            max-width: 850px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-muted);
        }
        .article-prose h1,
        .article-prose h2,
        .article-prose h3,
        .article-prose h4 {
            color: var(--text);
            font-weight: 800;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            line-height: 1.3;
        }
        .article-prose h1 { font-size: 1.8rem; }
        .article-prose h2 { font-size: 1.5rem; }
        .article-prose h3 { font-size: 1.25rem; }
        .article-prose p {
            margin-bottom: 1.2em;
        }
        .article-prose a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-prose img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-md);
        }
        .article-prose ul,
        .article-prose ol {
            margin: 1rem 0 1.5rem 1.5rem;
            padding-left: 1rem;
        }
        .article-prose li {
            margin-bottom: 0.5rem;
        }
        .article-prose blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(255, 215, 0, 0.06);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--accent-soft);
        }
        .not-found {
            text-align: center;
            padding: 2rem 1rem;
            color: var(--text-muted);
        }
        .not-found a {
            display: inline-block;
            margin-top: 1rem;
            font-weight: 700;
            color: var(--accent);
        }
        .article-cta {
            padding: 3rem 0;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(139,0,0,0.85), rgba(74,0,7,0.9));
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-gold-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 50% 0%, rgba(255,215,0,0.15), transparent 55%);
            pointer-events: none;
        }
        .cta-title {
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: #fff;
        }
        .cta-text {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn-large {
            padding: 0.85rem 2rem;
            font-size: 1.05rem;
        }
        .related-topics {
            padding: 2rem 0 3rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .topic-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: block;
        }
        .topic-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-gold-strong);
            color: var(--accent-soft);
        }
        .topic-cover {
            height: 180px;
            background-size: cover;
            background-position: center;
        }
        .topic-info {
            padding: 1.25rem;
        }
        .topic-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.4rem;
        }
        .topic-desc {
            font-size: 0.9rem;
            color: var(--text-faint);
        }
        /* FAQ */
        .article-faq {
            padding: 2rem 0 3rem;
        }
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            margin-bottom: 0.85rem;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold-strong);
        }
        .faq-question {
            padding: 1rem 1.25rem;
            font-weight: 700;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--accent);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 1.25rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }
        /* Footer */
        .site-footer {
            background: rgba(13, 3, 5, 0.9);
            border-top: 1px solid var(--border-gold);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand .logo-link {
            font-size: 1.1rem;
        }
        .footer-brand p {
            color: var(--text-faint);
            font-size: 0.9rem;
            margin-top: 0.8rem;
            max-width: 320px;
        }
        .footer-links h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-soft);
            margin-bottom: 1rem;
        }
        .footer-links a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-gold);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-faint);
        }
        .footer-badges {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: 999px;
            padding: 0.25rem 0.8rem;
            font-weight: 600;
            color: var(--accent-soft);
            font-size: 0.8rem;
        }
        /* FAB */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1050;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFD700, #B8860B);
            border: 2px solid #FFD700;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #1A0508;
            cursor: pointer;
            opacity: 0.7;
            transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition);
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1) rotate(10deg);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.7);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .article-body .grid-container {
                padding: 1.5rem 1rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }
            .nav-wrap {
                flex-basis: 100%;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: rgba(26,5,8,0.98);
                border-top: 1px solid var(--border-gold);
                padding: 0.8rem 0;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-wrap.open {
                display: flex;
            }
            .main-nav {
                flex-direction: column;
                gap: 0;
            }
            .main-nav a {
                display: block;
                text-align: left;
                border-radius: 8px;
                padding: 0.65rem 1rem;
            }
            .header-actions {
                flex-direction: column;
                gap: 0.5rem;
                padding: 0.5rem 0;
            }
            .header-actions .btn-outline,
            .header-actions .btn-solid {
                width: 100%;
                text-align: center;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .article-hero {
                margin-top: 66px;
                padding: 1.5rem 0 1.25rem;
            }
            .article-body {
                padding: 1rem 0 2rem;
            }
            .article-prose {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 1.75rem 1.25rem;
            }
            .fab-left {
                bottom: 4.5rem;
                width: 48px;
                height: 48px;
                font-size: 1.25rem;
            }
        }
        @media (max-width: 520px) {
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #8B0000;
            --primary-dark: #4A0007;
            --primary-darker: #1A0508;
            --accent: #FFD700;
            --accent-warm: #FF9F00;
            --accent-soft: #FEF08A;
            --text: #FFFDF9;
            --text-muted: #E8D5B8;
            --text-faint: #C4A98E;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.65);
            --card-bg: rgba(74, 0, 7, 0.78);
            --card-bg-hover: rgba(110, 0, 10, 0.85);
            --overlay-dark: rgba(26, 5, 8, 0.75);
            --overlay-hero: rgba(26, 5, 8, 0.62);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.42);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.22);
            --shadow-gold-lg: 0 8px 48px rgba(255, 215, 0, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.15s ease;
            --transition-slow: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --body-padding-bottom: 170px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--primary-darker);
            background-image: radial-gradient(ellipse at 20% 15%, rgba(139, 0, 0, 0.55), transparent 55%),
                              radial-gradient(ellipse at 85% 80%, rgba(74, 0, 7, 0.8), transparent 60%),
                              linear-gradient(180deg, #1A0508 0%, #2A0A0D 35%, #1A0508 70%, #0D0305 100%);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: var(--body-padding-bottom);
            margin: 0;
        }

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

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

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

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

        ::selection {
            background: var(--accent);
            color: var(--primary-darker);
        }

        .grid-container {
            max-width: 1200px;
        }

        /* ============ TYPOGRAPHY ============ */
        .section-title {
            font-size: clamp(1.4rem, 3.2vw, 2.1rem);
            font-weight: 800;
            margin-bottom: 0.5rem;
            position: relative;
            padding-left: 1.25rem;
            color: var(--text);
            line-height: 1.35;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--accent), var(--accent-warm));
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.45);
        }

        .section-subtitle {
            font-size: clamp(0.95rem, 1.6vw, 1.1rem);
            color: var(--text-muted);
            margin-bottom: 2rem;
            padding-left: 1.25rem;
            max-width: 720px;
            line-height: 1.6;
        }

        .text-gold {
            color: var(--accent);
        }

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

        /* ============ HEADER ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 5, 8, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0.6rem 0;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(26, 5, 8, 0.96);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.55);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .logo-link:hover,
        .logo-link:focus {
            color: var(--accent);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFD700, #B8860B);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1A0508;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .main-nav a {
            display: inline-block;
            padding: 0.5rem 0.95rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: color var(--transition), background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--accent);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active {
            color: var(--primary-darker);
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            box-shadow: var(--shadow-gold);
        }

        /* ============ HERO ============ */
        .category-hero {
            position: relative;
            padding: 7.5rem 0 4rem;
            overflow: hidden;
            background-image: linear-gradient(180deg, rgba(26, 5, 8, 0.4), rgba(26, 5, 8, 0.82)),
                              url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(139, 0, 0, 0.35), transparent 60%),
                        radial-gradient(ellipse at 75% 70%, rgba(255, 215, 0, 0.12), transparent 50%);
            pointer-events: none;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 2.5rem;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-soft);
            margin-bottom: 1.2rem;
            letter-spacing: 0.02em;
        }

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

        .category-hero h1 {
            font-size: clamp(1.8rem, 4.5vw, 3rem);
            font-weight: 900;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 1rem;
            letter-spacing: -0.015em;
        }

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

        .hero-desc {
            font-size: clamp(1rem, 1.5vw, 1.15rem);
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 1.6rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.85rem;
            margin-bottom: 1.6rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.55rem;
            padding: 0.85rem 1.6rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
            text-align: center;
            line-height: 1.2;
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            box-shadow: var(--shadow-gold);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(135deg, #FFE44D, #FFB300);
            color: var(--primary-darker);
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text);
            border: 1.5px solid var(--border-gold-strong);
        }

        .btn-ghost:hover,
        .btn-ghost:focus {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(255, 215, 0, 0.06);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 1rem 2rem;
            font-size: 1.08rem;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-faint);
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

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

        /* Hero card - 推荐档高亮 */
        .hero-card-panel {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: var(--shadow-md), var(--shadow-gold);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            position: relative;
            overflow: hidden;
        }

        .hero-card-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-warm), transparent);
        }

        .hero-card-panel .card-tag {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            font-size: 0.78rem;
            font-weight: 800;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .hero-card-panel h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 0.75rem;
        }

        .hero-card-panel p {
            color: var(--text-muted);
            font-size: 0.98rem;
            margin-bottom: 1.2rem;
            line-height: 1.65;
        }

        .hero-card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 1.2rem;
            border: 1px solid var(--border-gold);
        }

        .hero-card-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .hero-card-panel:hover .hero-card-img img {
            transform: scale(1.04);
        }

        .hero-card-features {
            list-style: none;
            margin: 0 0 1.2rem;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.6rem;
        }

        .hero-card-features li {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .hero-card-features i {
            color: var(--accent);
            font-size: 0.85rem;
        }

        .hero-card-panel .btn {
            width: 100%;
            justify-content: center;
        }

        /* ============ SECTION BASE ============ */
        .main-section {
            padding: 4rem 0;
            position: relative;
        }

        .main-section.alt-bg {
            background: rgba(74, 0, 7, 0.35);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

        /* ============ ADVANTAGE CARDS ============ */
        .adv-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.85fr 0.85fr;
            gap: 1.2rem;
            align-items: stretch;
        }

        .adv-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 1.6rem;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            position: relative;
            overflow: hidden;
        }

        .adv-card:hover {
            transform: translateY(-4px);
            background: var(--card-bg-hover);
            box-shadow: var(--shadow-md), var(--shadow-gold);
        }

        .adv-card .adv-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent);
            margin-bottom: 1rem;
            border: 1px solid var(--border-gold);
        }

        .adv-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.6rem;
        }

        .adv-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .adv-card.adv-large {
            background: linear-gradient(135deg, rgba(74, 0, 7, 0.9), rgba(139, 0, 0, 0.55));
            border-color: var(--border-gold-strong);
        }

        .adv-card.adv-large h3 {
            font-size: 1.35rem;
        }

        .adv-card .adv-stat {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            margin-top: 0.8rem;
            display: block;
        }

        /* ============ STEPS ============ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .step-item {
            background: rgba(74, 0, 7, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.2rem;
            position: relative;
            transition: border-color var(--transition), background var(--transition);
        }

        .step-item:hover {
            border-color: var(--border-gold-strong);
            background: var(--card-bg);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            font-weight: 900;
            font-size: 1.1rem;
            margin-bottom: 0.9rem;
            box-shadow: var(--shadow-gold);
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.45rem;
        }

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

        /* ============ PLATFORM COMPARE ============ */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }

        .platform-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 1.6rem;
            text-align: left;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .platform-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md), var(--shadow-gold);
        }

        .platform-card.recommended {
            border-color: var(--border-gold-strong);
            background: linear-gradient(135deg, rgba(74, 0, 7, 0.88), rgba(139, 0, 0, 0.5));
            box-shadow: var(--shadow-gold);
            position: relative;
        }

        .platform-card.recommended::after {
            content: 'TỐT NHẤT';
            position: absolute;
            top: 0.8rem;
            right: 0.8rem;
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            font-size: 0.7rem;
            font-weight: 800;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            letter-spacing: 0.05em;
        }

        .platform-card .platform-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 0.9rem;
        }

        .platform-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }

        .platform-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 1.1rem;
            line-height: 1.6;
        }

        .platform-card ul {
            list-style: none;
            margin: 0 0 1.2rem;
            padding: 0;
        }

        .platform-card ul li {
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 0.35rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .platform-card ul li i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .platform-card .btn {
            width: 100%;
            justify-content: center;
            padding: 0.7rem 1rem;
            font-size: 0.92rem;
        }

        /* ============ SOCIAL PROOF ============ */
        .proof-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }

        .proof-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .stat-block {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.3rem;
            text-align: left;
        }

        .stat-block .stat-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            display: block;
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }

        .stat-block .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .proof-quotes {
            display: grid;
            gap: 1rem;
        }

        .quote-card {
            background: rgba(74, 0, 7, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            position: relative;
        }

        .quote-card::before {
            content: '\201C';
            font-size: 2.5rem;
            color: var(--accent);
            line-height: 0.8;
            display: block;
            margin-bottom: 0.4rem;
        }

        .quote-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0 0 0.6rem;
            line-height: 1.6;
            font-style: italic;
        }

        .quote-card .quote-author {
            font-size: 0.85rem;
            color: var(--accent);
            font-weight: 700;
            font-style: normal;
        }

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

        .faq-wrap .accordion {
            background: transparent;
            border: none;
        }

        .faq-wrap .accordion-item {
            background: rgba(74, 0, 7, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: border-color var(--transition), background var(--transition);
        }

        .faq-wrap .accordion-item:hover {
            border-color: var(--border-gold-strong);
        }

        .faq-wrap .accordion-item.is-active {
            border-color: var(--border-gold-strong);
            background: var(--card-bg);
        }

        .faq-wrap .accordion-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            padding: 1.1rem 1.3rem;
            border: none;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            line-height: 1.4;
        }

        .faq-wrap .accordion-title:hover,
        .faq-wrap .accordion-title:focus {
            color: var(--accent);
            background: rgba(255, 215, 0, 0.04);
        }

        .faq-wrap .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-wrap .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }

        .faq-wrap .accordion-content {
            padding: 0 1.3rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            border: none;
            background: transparent;
        }

        .faq-wrap .accordion-content p {
            margin: 0;
        }

        /* ============ CTA ============ */
        .final-cta {
            padding: 4rem 0;
            background: linear-gradient(135deg, rgba(74, 0, 7, 0.9), rgba(139, 0, 0, 0.6));
            border-top: 1px solid var(--border-gold-strong);
            border-bottom: 1px solid var(--border-gold-strong);
            text-align: center;
        }

        .final-cta h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 900;
            color: var(--text);
            margin-bottom: 0.8rem;
        }

        .final-cta p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            line-height: 1.6;
        }

        .final-cta .btn {
            font-size: 1.1rem;
            padding: 1rem 2.4rem;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0305;
            border-top: 1px solid var(--border-gold);
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }

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

        .footer-brand .logo-link {
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-faint);
            max-width: 420px;
            line-height: 1.65;
            margin-bottom: 0;
        }

        .footer-links h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        .footer-links a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 0.3rem 0;
            transition: color var(--transition), transform var(--transition-fast);
        }

        .footer-links a:hover,
        .footer-links a:focus {
            color: var(--accent);
            transform: translateX(4px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 0.82rem;
            color: var(--text-faint);
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #2A0A0D, #0D0305);
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35), inset 0 1px 3px rgba(255, 215, 0, 0.25);
            cursor: pointer;
            text-decoration: none;
            transition: transform var(--transition-fast), opacity var(--transition), box-shadow var(--transition);
            opacity: 0.75;
            animation: fab-float 3.5s ease-in-out infinite;
        }

        .fab-support:hover,
        .fab-support:focus {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 4px 28px rgba(255, 215, 0, 0.55), inset 0 1px 3px rgba(255, 215, 0, 0.35);
            color: var(--accent-soft);
        }

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

        .fab-support .notif-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0D0305;
            animation: notif-blink 1.6s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

        @keyframes notif-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* ============ BOTTOM CTA BAR ============ */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(26, 5, 8, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--border-gold-strong);
            padding: 0.7rem 0;
            box-shadow: 0 -4px 40px rgba(0, 0, 0, 0.5);
        }

        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .bottom-cta-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .bottom-cta-text strong {
            color: var(--accent);
            font-weight: 800;
        }

        .bottom-cta-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .bottom-cta-actions .btn {
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
        }

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

            .hero-card-panel {
                max-width: 520px;
            }

            .adv-grid {
                grid-template-columns: 1fr 1fr;
            }

            .adv-card.adv-large {
                grid-column: span 2;
            }

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

            .platform-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }

            .proof-grid {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }

            .header-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }

            .nav-wrap {
                width: 100%;
            }

            .main-nav {
                width: 100%;
                gap: 0.2rem;
                flex-wrap: wrap;
            }

            .main-nav a {
                font-size: 0.88rem;
                padding: 0.45rem 0.75rem;
            }

            .category-hero {
                padding: 6.5rem 0 3rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }

            .adv-grid {
                grid-template-columns: 1fr;
            }

            .adv-card.adv-large {
                grid-column: span 1;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 0.8rem;
            }

            .proof-stats {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

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

            .bottom-cta-inner {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }

            .bottom-cta-actions {
                width: 100%;
                justify-content: center;
            }

            .bottom-cta-actions .btn {
                flex: 1;
                justify-content: center;
            }

            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                bottom: 6.5rem;
                left: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .main-nav a {
                font-size: 0.8rem;
                padding: 0.4rem 0.6rem;
            }

            .logo-link {
                font-size: 1.05rem;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }

            .category-hero h1 {
                font-size: 1.55rem;
            }

            .btn-lg {
                padding: 0.8rem 1.4rem;
                font-size: 0.98rem;
            }

            .hero-card-panel {
                padding: 1.3rem;
            }

            .hero-card-features {
                grid-template-columns: 1fr;
            }

            .hero-card-img img {
                height: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #8B0000;
            --primary-dark: #4A0007;
            --primary-darker: #1A0508;
            --accent: #FFD700;
            --accent-warm: #FF9F00;
            --accent-soft: #FEF08A;
            --text: #FFFDF9;
            --text-muted: #E8D5B8;
            --text-faint: #C4A98E;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.65);
            --card-bg: rgba(74, 0, 7, 0.78);
            --card-bg-hover: rgba(110, 0, 10, 0.85);
            --overlay-dark: rgba(26, 5, 8, 0.75);
            --overlay-hero: rgba(26, 5, 8, 0.62);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.42);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.22);
            --shadow-gold-lg: 0 8px 48px rgba(255, 215, 0, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.15s ease;
            --transition-slow: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --body-padding-bottom: 90px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--primary-darker);
            background-image: radial-gradient(ellipse at 20% 15%, rgba(139, 0, 0, 0.55), transparent 55%),
                              radial-gradient(ellipse at 85% 80%, rgba(74, 0, 7, 0.8), transparent 60%),
                              linear-gradient(180deg, #1A0508 0%, #2A0A0D 35%, #1A0508 70%, #0D0305 100%);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: var(--body-padding-bottom);
        }

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

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

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

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

        .section-title {
            font-size: clamp(1.4rem, 3.2vw, 2.1rem);
            font-weight: 800;
            margin-bottom: 0.5rem;
            position: relative;
            padding-left: 1.25rem;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--accent), var(--accent-warm));
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.45);
        }

        .section-subtitle {
            font-size: clamp(0.95rem, 1.6vw, 1.1rem);
            color: var(--text-muted);
            margin-bottom: 2rem;
            padding-left: 1.25rem;
            max-width: 720px;
        }

        .grid-container {
            max-width: 1200px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 5, 8, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0.6rem 0;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(26, 5, 8, 0.96);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.55);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .logo-link:hover,
        .logo-link:focus {
            color: var(--accent);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFD700, #B8860B);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1A0508;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .main-nav a {
            display: inline-block;
            padding: 0.5rem 0.95rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: all var(--transition);
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--text);
            background: rgba(255, 215, 0, 0.12);
        }

        .main-nav a.active {
            color: var(--accent-soft);
            background: rgba(255, 215, 0, 0.18);
            box-shadow: inset 0 0 0 1px var(--border-gold);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }

        .header-ctas {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-muted);
            border: none;
            padding: 0.5rem 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: color var(--transition);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            border: none;
            padding: 0.5rem 1.25rem;
            border-radius: 999px;
            font-weight: 800;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: all var(--transition);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
            color: var(--primary-darker);
        }

        /* Hero */
        .hero-section {
            padding: 8rem 0 4rem;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 5, 8, 0.3);
            z-index: 0;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: -1;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 2rem;
            align-items: center;
        }

        .hero-text {
            padding-right: 1rem;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.18);
            border: 1px solid var(--border-gold);
            color: var(--accent-soft);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .hero-title {
            font-size: clamp(1.8rem, 4.5vw, 3rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text);
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-muted);
            margin-bottom: 1.75rem;
            max-width: 520px;
        }

        .hero-kpis {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            margin-bottom: 2rem;
        }

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

        .kpi-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }

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

        .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            color: var(--primary-darker);
            padding: 0.9rem 2.4rem;
            border-radius: 999px;
            font-weight: 800;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }

        .btn-cta:hover,
        .btn-cta:focus {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(255, 215, 0, 0.5);
            color: var(--primary-darker);
            background: linear-gradient(135deg, #FFE066, #FFB84D);
        }

        .hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold-lg);
            border: 1px solid var(--border-gold);
        }

        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        /* Feature cards */
        .features-section {
            padding: 4rem 0;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

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

        .feature-card:hover {
            background: var(--card-bg-hover);
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }

        .feature-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        .feature-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text);
        }

        .feature-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Scenario / steps */
        .scenario-section {
            padding: 4rem 0;
        }

        .scenario-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }

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

        .step-item {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            align-items: flex-start;
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--text);
        }

        .step-content p {
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .scenario-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            border: 1px solid var(--border-gold);
        }

        .scenario-image img {
            width: 100%;
            height: auto;
        }

        /* Social proof */
        .social-proof-section {
            padding: 4rem 0;
        }

        .proof-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-around;
            text-align: center;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            backdrop-filter: blur(8px);
        }

        .proof-stat {
            flex: 1;
            min-width: 150px;
        }

        .proof-value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }

        .proof-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 0.4rem;
        }

        /* FAQ */
        .faq-section {
            padding: 4rem 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            color: var(--text);
            transition: background var(--transition);
            position: relative;
            user-select: none;
        }

        .faq-question:hover {
            background: var(--card-bg-hover);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: var(--text-muted);
            border-top: none;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 1.25rem 1.5rem;
            border-top: 1px solid var(--border-gold);
        }

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

        /* Final CTA */
        .cta-section {
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-xl);
            margin: 2rem 0;
            background: linear-gradient(135deg, rgba(139, 0, 0, 0.9), rgba(74, 0, 7, 0.95));
            border: 1px solid var(--border-gold-strong);
            box-shadow: var(--shadow-gold-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            padding: 3rem 2rem;
        }

        .cta-title {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 900;
            color: var(--text);
            margin-bottom: 1rem;
        }

        .cta-desc {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 2rem;
        }

        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            padding: 1rem 3rem;
            font-size: 1.2rem;
            font-weight: 900;
            border-radius: 999px;
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
            transition: all var(--transition);
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(255, 215, 0, 0.6);
            color: var(--primary-darker);
        }

        /* Bottom fixed conversion bar */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(26, 5, 8, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--border-gold-strong);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            z-index: 999;
        }

        .bottom-bar-text {
            font-weight: 700;
            color: var(--text);
            font-size: 0.95rem;
        }

        .btn-bottom-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-warm));
            color: var(--primary-darker);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 999px;
            font-weight: 800;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-bottom-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.5);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #4A0007, #1A0508);
            border: 3px solid var(--accent);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            animation: float 3s ease-in-out infinite;
            opacity: 0.85;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.08) rotate(360deg);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

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

        .fab i {
            font-size: 1.8rem;
            color: var(--accent);
        }

        .fab::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--accent);
            animation: blink 1.5s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

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

        /* Footer */
        .site-footer {
            background: rgba(13, 3, 5, 0.96);
            border-top: 1px solid var(--border-gold);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-top {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            max-width: 340px;
        }

        .footer-brand .logo-link {
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

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

        .footer-links h5 {
            color: var(--accent-soft);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .footer-links a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-gold);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-faint);
        }

        .footer-badges {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-soft);
            font-size: 0.75rem;
            font-weight: 700;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-text {
                padding-right: 0;
            }
            .hero-image {
                max-height: 300px;
            }
            .scenario-wrap {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .nav-wrap {
                justify-content: space-between;
                width: 100%;
            }
            .main-nav {
                order: 2;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 0.25rem;
                gap: 0.2rem;
                justify-content: flex-start;
            }
            .header-ctas {
                order: 3;
                width: 100%;
                justify-content: flex-end;
            }
            .hero-section {
                padding-top: 7rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .proof-stats {
                flex-direction: column;
                gap: 1.5rem;
            }
            .cta-content {
                padding: 2rem 1.25rem;
            }
            .bottom-bar {
                flex-direction: column;
                text-align: center;
                padding: 0.75rem;
            }
            .bottom-bar-text {
                font-size: 0.85rem;
            }
            .btn-bottom-cta {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .logo-link {
                font-size: 1rem;
                gap: 0.4rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .main-nav a {
                padding: 0.4rem 0.7rem;
                font-size: 0.85rem;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-kpis {
                gap: 1rem;
            }
            .kpi-value {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .step-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .step-number {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
        }