:root {
            --bg-color: #0d0d12;
            --text-main: #f0f0f5;
            --text-muted: #8e8e9e;
            --accent-pink: #ff2a55;
            --accent-purple: #7a2aff;
            --card-bg: #1a1a24;
            --border-color: #2a2a38;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }

        /* Header */
        header {
            position: sticky;
            top: 0;
            background: rgba(13, 13, 18, 0.95);
            backdrop-filter: blur(10px);
            z-index: 100;
            border-bottom: 1px solid var(--border-color);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: bold;
        }
        .logo-area img {
            height: 32px;
            border-radius: 6px;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            font-size: 0.95rem;
        }
        .nav-links a {
            transition: color 0.3s;
        }
        .nav-links a:hover {
            color: var(--accent-pink);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding: 60px 20px;
            text-align: center;
            background: radial-gradient(circle at top, #2a1a3a 0%, var(--bg-color) 70%);
        }
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
            font-size: 1.1rem;
        }
        .download-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .btn {
            padding: 12px 30px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: bold;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-block;
        }
        .btn-android {
            background: linear-gradient(90deg, #00d2ff 0%, #3a7bd5 100%);
            color: #fff;
            box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
        }
        .btn-ios {
            background: linear-gradient(90deg, var(--accent-pink) 0%, var(--accent-purple) 100%);
            color: #fff;
            box-shadow: 0 4px 15px rgba(255, 42, 85, 0.3);
        }
        .btn:hover {
            transform: translateY(-2px);
        }

        /* Marquee */
        .marquee-section {
            background: #000;
            padding: 15px 0;
            overflow: hidden;
            white-space: nowrap;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .marquee-content {
            display: inline-block;
            animation: marquee 25s linear infinite;
        }
        .marquee-content span {
            margin: 0 20px;
            font-size: 1.2rem;
            font-weight: bold;
            background: linear-gradient(90deg, #ff007f, #00f0ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Section Common */
        section {
            padding: 60px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .section-title {
            font-size: 2rem;
            margin-bottom: 40px;
            text-align: center;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent-pink);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        /* Classic Theater */
        .classic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .classic-card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: transform 0.3s;
        }
        .classic-card:hover {
            transform: scale(1.02);
            border-color: var(--accent-pink);
        }
        .classic-card img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .classic-info {
            padding: 15px;
        }
        .classic-info h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .classic-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .tag {
            background: rgba(255, 42, 85, 0.1);
            color: var(--accent-pink);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
        }
        .date {
            font-size: 0.75rem;
            color: #666;
            margin-top: 8px;
            display: block;
        }

        /* Midnight Theater */
        .midnight-section {
            background: #160a0f;
            border-radius: 20px;
            padding: 40px 20px;
        }
        .midnight-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .midnight-item {
            display: flex;
            background: #220e14;
            border-radius: 8px;
            overflow: hidden;
            align-items: center;
            border-left: 4px solid var(--accent-pink);
        }
        .midnight-item img {
            width: 100px;
            height: 140px;
            object-fit: cover;
        }
        .midnight-text {
            padding: 15px;
        }
        .midnight-text h3 {
            color: #ff88a2;
            margin-bottom: 5px;
        }

        /* Original Linkage */
        .original-layout {
            display: flex;
            gap: 40px;
            align-items: center;
        }
        .original-img {
            flex: 1;
            border-radius: 12px;
            overflow: hidden;
        }
        .original-img img {
            width: 100%;
            height: auto;
            border-radius: 12px;
        }
        .original-text {
            flex: 2;
        }
        .original-text h3 {
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        .original-text p {
            margin-bottom: 20px;
            color: var(--text-muted);
        }
        .original-rules {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .rule-item {
            background: var(--card-bg);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        /* Full Collection */
        .collection-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
        }
        .collection-wall img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            border-radius: 8px;
        }

        /* AI Theater */
        .ai-section {
            background: linear-gradient(135deg, #1a0b2e 0%, #0d0d12 100%);
            border-radius: 20px;
            padding: 40px 20px;
        }
        .ai-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .ai-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .ai-card h3 {
            color: #a87aff;
            margin-bottom: 10px;
        }

        /* Reviews */
        .reviews-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .review-card {
            background: var(--card-bg);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid #3a7bd5;
        }

        /* Underage & Feedback */
        .info-section {
            display: flex;
            gap: 40px;
        }
        .info-box {
            flex: 1;
            background: var(--card-bg);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .info-box h3 {
            margin-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
        }
        .qa-item {
            margin-bottom: 15px;
        }
        .qa-item strong {
            display: block;
            margin-bottom: 5px;
            color: var(--accent-pink);
        }

        /* Download Section */
        .download-section {
            text-align: center;
            background: var(--card-bg);
            border-radius: 20px;
            padding: 50px 20px;
            margin-bottom: 40px;
        }
        .download-section h2 {
            margin-bottom: 20px;
        }
        .steps {
            max-width: 600px;
            margin: 0 auto 30px;
            text-align: left;
        }
        .step {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .step-num {
            background: var(--accent-purple);
            color: #fff;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        /* Floating Download */
        .floating-download {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
            color: #fff;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: bold;
            box-shadow: 0 4px 20px rgba(255, 42, 85, 0.4);
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 999;
            transition: transform 0.3s;
        }
        .floating-download:hover {
            transform: translateX(-50%) translateY(-5px);
        }
        .floating-download img {
            height: 20px;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 40px 20px 80px;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid var(--border-color);
        }
        footer p {
            margin-bottom: 10px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .collection-wall {
                grid-template-columns: repeat(3, 1fr);
            }
            .ai-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-color);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .original-layout {
                flex-direction: column;
            }
            .collection-wall {
                grid-template-columns: repeat(2, 1fr);
            }
            .ai-cards {
                grid-template-columns: 1fr;
            }
            .info-section {
                flex-direction: column;
            }
            .floating-download {
                width: 80%;
                justify-content: center;
            }
        }