:root {
        --bg-dark: #0f0d13;
        --bg-card: #1a1721;
        --primary: #f5c518;
        --primary-hover: #ffd700;
        --text-main: #f2f2f2;
        --text-muted: #a09fa5;
        --border-color: #2c2836;
        --gradient: linear-gradient(135deg, #f5c518, #ff8c00);
    }

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

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        background-color: var(--bg-dark);
        color: var(--text-main);
        line-height: 1.6;
        overflow-x: hidden;
    }

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

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

    /* Typography */
    h1, h2, h3, h4 {
        font-weight: 700;
        line-height: 1.3;
    }

    h1 { font-size: 2.2rem; margin-bottom: 16px; }
    h2 { font-size: 1.8rem; margin-bottom: 24px; text-align: center; }
    h3 { font-size: 1.2rem; margin-bottom: 12px; }
    p { color: var(--text-muted); margin-bottom: 16px; }

    /* Header */
    header {
        position: sticky;
        top: 0;
        background: rgba(15, 13, 19, 0.9);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        z-index: 100;
    }

    .nav-wrapper {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 70px;
    }

    .logo-group {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.2rem;
        font-weight: bold;
        color: var(--primary);
    }

    .logo-group img {
        height: 32px;
        width: auto;
    }

    nav ul {
        display: flex;
        gap: 20px;
        list-style: none;
    }

    nav a {
        font-size: 0.95rem;
        color: var(--text-main);
        transition: color 0.3s;
    }

    nav a:hover {
        color: var(--primary);
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 24px;
        border-radius: 8px;
        font-weight: bold;
        transition: all 0.3s;
        cursor: pointer;
        border: none;
    }

    .btn-primary {
        background: var(--gradient);
        color: #000;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(245, 197, 24, 0.4);
    }

    .btn-outline {
        background: transparent;
        border: 1px solid var(--primary);
        color: var(--primary);
    }

    .btn-outline:hover {
        background: var(--primary);
        color: #000;
    }

    /* Hero Section */
    .hero {
        padding: 80px 0 60px;
        text-align: center;
        background: radial-gradient(circle at top, #2a2135 0%, var(--bg-dark) 60%);
    }

    .hero h1 {
        max-width: 800px;
        margin: 0 auto 20px;
    }

    .hero p {
        max-width: 600px;
        margin: 0 auto 40px;
        font-size: 1.1rem;
    }

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

    .download-btn {
        display: flex;
        align-items: center;
        gap: 10px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        padding: 12px 24px;
        border-radius: 12px;
        color: var(--text-main);
        transition: all 0.3s;
    }

    .download-btn:hover {
        border-color: var(--primary);
        background: #25212e;
    }

    .download-btn span {
        display: block;
        font-size: 0.8rem;
        color: var(--text-muted);
    }

    /* Staggered Image Board */
    .image-board {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 15px;
        margin-top: 60px;
        padding: 0 20px;
    }

    .image-board img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 12px;
        transition: transform 0.3s;
    }

    .image-board img:hover {
        transform: scale(1.05);
    }

    .image-board .tall { aspect-ratio: 9/16; grid-row: span 2; }
    .image-board .short { aspect-ratio: 1/1; }

    /* Content Sections */
    section {
        padding: 80px 0;
        border-bottom: 1px solid var(--border-color);
    }

    section:nth-child(even) {
        background: #131118;
    }

    /* Short Drama Display */
    .drama-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 24px;
        align-items: start;
    }

    .drama-card {
        background: var(--bg-card);
        border-radius: 12px;
        overflow: hidden;
        border: 1px solid var(--border-color);
    }

    .drama-card img {
        width: 100%;
        aspect-ratio: 3/4;
        object-fit: cover;
    }

    .drama-info {
        padding: 16px;
    }

    .drama-info h3 {
        font-size: 1rem;
        margin-bottom: 8px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

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

    .tag {
        font-size: 0.75rem;
        padding: 2px 6px;
        background: rgba(245, 197, 24, 0.15);
        color: var(--primary);
        border-radius: 4px;
    }

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

    /* AI Section */
    .ai-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .ai-card {
        background: var(--bg-card);
        border-radius: 12px;
        overflow: hidden;
        border: 1px solid var(--border-color);
    }

    .ai-card img {
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
    }

    .ai-content {
        padding: 16px;
    }

    /* FAQ & Reviews - Accordion style */
    .faq-list, .review-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .faq-item, .review-item {
        background: var(--bg-card);
        border-radius: 12px;
        padding: 20px;
        border: 1px solid var(--border-color);
    }

    .faq-item h3 {
        color: var(--primary);
        margin-bottom: 8px;
        font-size: 1.1rem;
    }

    .faq-item p {
        margin-bottom: 0;
        font-size: 0.95rem;
    }

    .review-user {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }

    .avatar {
        width: 40px;
        height: 40px;
        background: var(--border-color);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        color: var(--primary);
    }

    /* Layout Rows for other sections */
    .layout-row {
        display: flex;
        gap: 40px;
        align-items: center;
    }

    .layout-row > * {
        flex: 1;
    }

    .feature-list {
        list-style: none;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .feature-list li {
        background: var(--bg-card);
        padding: 16px;
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }

    .feature-list li strong {
        display: block;
        color: var(--primary);
        margin-bottom: 4px;
    }

    .feature-list li span {
        font-size: 0.85rem;
        color: var(--text-muted);
    }

    /* Footer */
    footer {
        padding: 40px 0;
        text-align: center;
        background: var(--bg-dark);
        border-top: 1px solid var(--border-color);
    }

    footer p {
        margin-bottom: 8px;
        font-size: 0.9rem;
    }

    .update-time {
        font-size: 0.8rem;
        color: #666;
        margin-top: 20px;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
        .image-board {
            grid-template-columns: repeat(3, 1fr);
        }
        .ai-grid {
            grid-template-columns: 1fr 1fr;
        }
        .layout-row {
            flex-direction: column;
        }
        .hero h1 {
            font-size: 1.8rem;
        }
    }

    @media (max-width: 768px) {
        nav ul {
            display: none; /* Mobile menu hidden for simplicity, can add JS toggle */
        }
        .image-board {
            grid-template-columns: repeat(2, 1fr);
        }
        .image-board .tall {
            grid-row: auto;
        }
        .image-board img {
            aspect-ratio: 1/1 !important;
        }
        .ai-grid {
            grid-template-columns: 1fr;
        }
        .feature-list {
            grid-template-columns: 1fr;
        }
        .download-group {
            flex-direction: column;
            align-items: stretch;
        }
        .download-btn {
            justify-content: center;
        }
        h1 { font-size: 1.5rem; }
        h2 { font-size: 1.4rem; }
        .drama-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
    }