:root {
        --bg-color: #0f1115;
        --surface-color: #1a1d24;
        --primary-color: #ff4d4f;
        --primary-hover: #ff7875;
        --text-main: #f0f0f0;
        --text-muted: #a0a4b0;
        --border-color: #2b2f38;
        --gradient-brand: linear-gradient(135deg, #ff4d4f, #ff9c6e);
        --radius: 12px;
    }

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

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", 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;
    }

    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* Header */
    .site-header {
        position: sticky;
        top: 0;
        background: rgba(15, 17, 21, 0.9);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        z-index: 100;
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 60px;
    }

    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: bold;
        font-size: 18px;
    }

    .logo-area img {
        height: 32px;
        width: auto;
        border-radius: 6px;
    }

    .nav-links {
        display: none;
    }

    @media (min-width: 1024px) {
        .nav-links {
            display: flex;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .nav-links a:hover {
            color: var(--primary-color);
        }
    }

    /* Hero */
    .hero {
        background: radial-gradient(circle at 50% 0%, #2a1010 0%, var(--bg-color) 70%);
        padding: 60px 0;
        text-align: center;
    }

    .hero h1 {
        font-size: 32px;
        line-height: 1.3;
        margin-bottom: 16px;
        background: var(--gradient-brand);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    @media (min-width: 768px) {
        .hero h1 {
            font-size: 48px;
        }
    }

    .hero p {
        color: var(--text-muted);
        font-size: 16px;
        margin-bottom: 32px;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    .download-group {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 28px;
        border-radius: var(--radius);
        font-weight: bold;
        font-size: 16px;
        transition: all 0.2s;
        border: none;
        cursor: pointer;
    }

    .btn-primary {
        background: var(--gradient-brand);
        color: #fff;
        box-shadow: 0 4px 15px rgba(255, 77, 79, 0.3);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 77, 79, 0.4);
    }

    .btn-secondary {
        background: var(--surface-color);
        color: var(--text-main);
        border: 1px solid var(--border-color);
    }

    .btn-secondary:hover {
        border-color: var(--primary-color);
        color: var(--primary-color);
    }

    /* Sections Base */
    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 24px;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
    }

    .section-title::before,
    .section-title::after {
        content: "";
        height: 1px;
        width: 40px;
        background: var(--border-color);
    }

    /* AI Drama Grid */
    .grid-gallery {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    @media (min-width: 768px) {
        .grid-gallery {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    @media (min-width: 1024px) {
        .grid-gallery {
            grid-template-columns: repeat(5, 1fr);
        }
    }

    .card {
        background: var(--surface-color);
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border-color);
        transition: transform 0.2s;
    }

    .card:hover {
        transform: translateY(-4px);
    }

    .card-img {
        position: relative;
        aspect-ratio: 3/4;
    }

    .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .card-badge {
        position: absolute;
        top: 8px;
        right: 8px;
        background: rgba(0,0,0,0.7);
        color: #ffb800;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 12px;
        font-weight: bold;
    }

    .card-info {
        padding: 12px;
    }

    .card-info h3 {
        font-size: 15px;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .card-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-bottom: 8px;
    }

    .card-tags span {
        font-size: 11px;
        color: var(--text-muted);
        background: var(--bg-color);
        padding: 2px 6px;
        border-radius: 4px;
    }

    .card-date {
        font-size: 12px;
        color: var(--text-muted);
    }

    /* Steps */
    .steps-grid {
        display: grid;
        gap: 20px;
        grid-template-columns: 1fr;
    }

    @media (min-width: 768px) {
        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (min-width: 1024px) {
        .steps-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    .step-item {
        background: var(--surface-color);
        padding: 24px;
        border-radius: var(--radius);
        border: 1px solid var(--border-color);
        text-align: center;
    }

    .step-num {
        width: 40px;
        height: 40px;
        background: var(--gradient-brand);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        font-size: 18px;
        margin: 0 auto 16px;
    }

    .step-item h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .step-item p {
        font-size: 13px;
        color: var(--text-muted);
    }

    /* FAQ & Reviews */
    .faq-list, .review-list {
        display: grid;
        gap: 16px;
        grid-template-columns: 1fr;
    }

    @media (min-width: 768px) {
        .faq-list, .review-list {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    .faq-item, .review-item {
        background: var(--surface-color);
        padding: 20px;
        border-radius: var(--radius);
        border-left: 4px solid var(--primary-color);
    }

    .faq-item h3, .review-item h3 {
        font-size: 15px;
        margin-bottom: 8px;
        color: var(--text-main);
    }

    .faq-item p, .review-item p {
        font-size: 14px;
        color: var(--text-muted);
    }

    .review-item {
        border-left-color: #ffb800;
    }

    .review-item h3::before {
        content: "“";
        color: #ffb800;
        font-size: 20px;
        margin-right: 4px;
    }

    /* Footer */
    .site-footer {
        background: var(--surface-color);
        border-top: 1px solid var(--border-color);
        padding: 30px 0;
        font-size: 13px;
        color: var(--text-muted);
        text-align: center;
    }

    .footer-content p {
        margin-bottom: 8px;
    }

    .footer-content a {
        color: var(--text-muted);
    }
    .footer-content a:hover {
        color: var(--primary-color);
    }