:root {
        --primary: #ff2a55;
        --secondary: #2d1b4e;
        --accent: #00e5ff;
        --bg-light: #f8f9fa;
        --text-main: #333333;
        --text-muted: #666666;
        --white: #ffffff;
    }

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

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        line-height: 1.6;
        color: var(--text-main);
        background-color: var(--bg-light);
        overflow-x: hidden;
        padding-bottom: 60px; /* Space for floating button */
    }

    a {
        text-decoration: none;
        color: inherit;
    }

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

    /* Mobile Menu Toggle (Checkbox Hack) */
    .menu-checkbox {
        display: none;
    }

    .menu-toggle-label {
        display: none;
        position: absolute;
        top: 15px;
        right: 20px;
        font-size: 24px;
        color: var(--white);
        cursor: pointer;
        z-index: 1001;
    }

    /* Header */
    .site-header {
        position: sticky;
        top: 0;
        background-color: rgba(45, 27, 78, 0.95);
        backdrop-filter: blur(10px);
        z-index: 1000;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 1200px;
        margin: 0 auto;
        padding: 10px 20px;
    }

    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .logo-area img {
        height: 32px;
        width: auto;
        border-radius: 4px;
    }

    .logo-area span {
        color: var(--white);
        font-size: 18px;
        font-weight: bold;
    }

    .nav-links {
        display: flex;
        gap: 15px;
    }

    .nav-links a {
        color: #e0e0e0;
        font-size: 14px;
        padding: 5px 10px;
        border-radius: 6px;
        transition: all 0.3s;
    }

    .nav-links a:hover {
        color: var(--white);
        background-color: var(--primary);
    }

    /* Hero Section */
    .hero-section {
        background: linear-gradient(135deg, var(--secondary) 0%, #1a0f2e 100%);
        color: var(--white);
        padding: 40px 20px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255,42,85,0.15) 0%, transparent 60%);
        pointer-events: none;
    }

    .hero-inner {
        max-width: 900px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
    }

    .hero-title {
        font-size: 32px;
        line-height: 1.3;
        margin-bottom: 15px;
        color: var(--white);
    }

    .hero-desc {
        font-size: 16px;
        color: #cccccc;
        margin-bottom: 30px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Button Group */
    .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
        margin-bottom: 30px;
    }

    .btn-device {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background-color: rgba(255,255,255,0.1);
        color: var(--white);
        padding: 12px 25px;
        border-radius: 30px;
        font-size: 15px;
        font-weight: 500;
        border: 1px solid rgba(255,255,255,0.2);
        transition: all 0.3s;
        min-width: 140px;
    }

    .btn-device:hover {
        background-color: var(--primary);
        border-color: var(--primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(255,42,85,0.4);
    }

    .btn-device.primary {
        background: linear-gradient(90deg, #ff2a55, #ff6b3d);
        border: none;
        font-weight: bold;
    }

    .btn-device.primary:hover {
        box-shadow: 0 6px 20px rgba(255,42,85,0.6);
    }

    /* Hero Media Carousel */
    .hero-media {
        position: relative;
        max-width: 800px;
        margin: 0 auto 30px;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

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

    /* Marquee */
    .marquee-container {
        background-color: rgba(0,0,0,0.6);
        padding: 12px 0;
        white-space: nowrap;
        overflow: hidden;
        border-top: 1px solid rgba(255,42,85,0.3);
        border-bottom: 1px solid rgba(255,42,85,0.3);
    }

    .marquee-content {
        display: inline-block;
        animation: marquee 20s linear infinite;
    }

    .marquee-content span {
        display: inline-block;
        margin-right: 30px;
        font-size: 14px;
        font-weight: bold;
        background: linear-gradient(90deg, #ff2a55, #00e5ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    @keyframes marquee {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }

    /* Section Common */
    .section-block {
        padding: 50px 20px;
    }

    .section-inner {
        max-width: 1200px;
        margin: 0 auto;
    }

    .section-title {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 20px;
        text-align: center;
        position: relative;
        display: inline-block;
        left: 50%;
        transform: translateX(-50%);
    }

    .section-title::after {
        content: '';
        display: block;
        width: 50%;
        height: 3px;
        background: var(--primary);
        margin: 8px auto 0;
        border-radius: 2px;
    }

    /* Classic Theater */
    .bg-classic {
        background-color: #fff5f6;
    }
    .grid-classic {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 15px;
    }
    .card-classic {
        background: var(--white);
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        transition: transform 0.3s;
    }
    .card-classic:hover {
        transform: translateY(-5px);
    }
    .card-classic img {
        width: 100%;
        height: 220px;
        object-fit: cover;
    }
    .card-info {
        padding: 10px;
    }
    .card-info h3 {
        font-size: 15px;
        margin-bottom: 5px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .card-info p {
        font-size: 12px;
        color: var(--text-muted);
        margin-bottom: 5px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .card-tag {
        font-size: 11px;
        color: var(--primary);
        background: rgba(255,42,85,0.1);
        padding: 2px 6px;
        border-radius: 4px;
        display: inline-block;
    }

    /* Night Theater */
    .bg-night {
        background-color: #1a1a24;
        color: var(--white);
    }
    .bg-night .section-title { color: var(--white); }
    .bg-night .section-title::after { background: var(--accent); }
    .list-night {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    .item-night {
        display: flex;
        background: rgba(255,255,255,0.05);
        border-radius: 10px;
        overflow: hidden;
        border: 1px solid rgba(255,255,255,0.1);
    }
    .item-night img {
        width: 120px;
        height: 160px;
        object-fit: cover;
    }
    .item-night-info {
        padding: 15px;
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .item-night-info h3 {
        font-size: 18px;
        margin-bottom: 8px;
        color: var(--accent);
    }
    .item-night-info p {
        font-size: 13px;
        color: #aaaaaa;
        margin-bottom: 10px;
    }
    .item-night-meta {
        font-size: 12px;
        color: #888;
    }

    /* Original Adaptation */
    .bg-original {
        background-color: #f0f7ff;
    }
    .time-axis {
        position: relative;
        padding-left: 30px;
        border-left: 2px solid #b3d4ff;
    }
    .axis-item {
        position: relative;
        margin-bottom: 25px;
        background: var(--white);
        padding: 15px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }
    .axis-item::before {
        content: '';
        position: absolute;
        left: -37px;
        top: 15px;
        width: 12px;
        height: 12px;
        background: #2d1b4e;
        border-radius: 50%;
        border: 3px solid #b3d4ff;
    }
    .axis-time {
        font-size: 14px;
        font-weight: bold;
        color: #2d1b4e;
        margin-bottom: 5px;
    }
    .axis-title {
        font-size: 16px;
        font-weight: bold;
        margin-bottom: 5px;
    }
    .axis-desc {
        font-size: 13px;
        color: var(--text-muted);
    }

    /* AI Theater */
    .bg-ai {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        color: var(--white);
    }
    .bg-ai .section-title { color: var(--white); }
    .bg-ai .section-title::after { background: #00e5ff; }
    .qa-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }
    .qa-card {
        background: rgba(255,255,255,0.05);
        padding: 20px;
        border-radius: 12px;
        border: 1px solid rgba(255,255,255,0.1);
    }
    .qa-q {
        font-size: 16px;
        font-weight: bold;
        color: #00e5ff;
        margin-bottom: 10px;
    }
    .qa-a {
        font-size: 14px;
        color: #cccccc;
        line-height: 1.7;
    }

    /* User Reviews */
    .bg-reviews {
        background-color: #fff9e6;
    }
    .review-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 15px;
    }
    .review-card {
        display: flex;
        gap: 12px;
        background: var(--white);
        padding: 15px;
        border-radius: 10px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }
    .review-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        object-fit: cover;
        flex-shrink: 0;
    }
    .review-content {
        flex: 1;
    }
    .review-name {
        font-size: 13px;
        font-weight: bold;
        color: #d4a373;
        margin-bottom: 4px;
    }
    .review-text {
        font-size: 13px;
        color: var(--text-main);
        line-height: 1.5;
    }

    /* Minors Protection & Feedback */
    .bg-protect {
        background-color: #e6fcf5;
    }
    .info-block {
        background: var(--white);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 15px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }
    .info-block h3 {
        font-size: 18px;
        color: #0b7285;
        margin-bottom: 10px;
    }
    .info-block p {
        font-size: 14px;
        color: var(--text-main);
    }

    /* Download Section */
    .bg-download {
        background: linear-gradient(180deg, #2d1b4e 0%, #1a0f2e 100%);
        color: var(--white);
        text-align: center;
    }
    .bg-download .section-title { color: var(--white); }
    .bg-download .section-title::after { background: var(--primary); }
    .step-list {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        margin-bottom: 40px;
    }
    .step-item {
        background: rgba(255,255,255,0.1);
        padding: 20px;
        border-radius: 12px;
        flex: 1;
        min-width: 200px;
        max-width: 280px;
        text-align: left;
    }
    .step-num {
        font-size: 24px;
        font-weight: bold;
        color: var(--primary);
        margin-bottom: 10px;
    }
    .step-item h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    .step-item p {
        font-size: 13px;
        color: #cccccc;
    }

    /* Footer */
    .site-footer {
        background-color: #111;
        color: #777;
        padding: 30px 20px;
        font-size: 12px;
        text-align: center;
        line-height: 1.8;
    }
    .site-footer a {
        color: #999;
    }
    .footer-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        margin-bottom: 15px;
    }
    .footer-nav a:hover {
        color: var(--white);
    }

    /* Floating Download */
    .floating-download {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: linear-gradient(90deg, #ff2a55, #ff6b3d);
        color: var(--white);
        padding: 12px 30px;
        border-radius: 30px;
        font-size: 16px;
        font-weight: bold;
        display: flex;
        align-items: center;
        gap: 8px;
        box-shadow: 0 5px 20px rgba(255,42,85,0.4);
        z-index: 999;
        transition: transform 0.3s;
    }
    .floating-download:hover {
        transform: translateX(-50%) scale(1.05);
    }
    .floating-download img {
        height: 24px;
        border-radius: 4px;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .menu-toggle-label {
            display: block;
        }
        .nav-links {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: rgba(45, 27, 78, 0.98);
            flex-direction: column;
            padding: 10px 0;
            gap: 0;
        }
        .nav-links a {
            padding: 12px 20px;
            border-radius: 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .menu-checkbox:checked ~ .nav-links {
            display: flex;
        }
        
        .hero-title { font-size: 22px; }
        .hero-media img { height: 200px; }
        .btn-device { flex: 1 1 100%; min-width: auto; }
        .grid-classic { grid-template-columns: repeat(2, 1fr); }
        .card-classic img { height: 180px; }
        .item-night { flex-direction: column; }
        .item-night img { width: 100%; height: 200px; }
        .step-item { max-width: 100%; min-width: 100%; }
        .floating-download { padding: 10px 20px; font-size: 14px; width: 80%; justify-content: center; }
    }

    @media (min-width: 1024px) {
        .hero-title { font-size: 40px; }
        .hero-media img { height: 400px; }
        .grid-classic { grid-template-columns: repeat(5, 1fr); }
        .list-night { display: grid; grid-template-columns: 1fr 1fr; }
    }