:root {
        --bg-color: #0b0b0e;
        --surface-color: #18181f;
        --surface-hover: #22222c;
        --primary-color: #ff3b5c;
        --primary-hover: #ff5c78;
        --text-main: #f2f2f5;
        --text-muted: #9a9aae;
        --border-color: #2a2a35;
        --radius-md: 12px;
        --radius-lg: 20px;
    }

    * {
        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;
        object-fit: cover;
    }

    /* Header */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: rgba(11, 11, 14, 0.9);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        z-index: 100;
        transition: transform 0.3s ease;
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 1200px;
        margin: 0 auto;
        padding: 12px 20px;
    }

    .brand-area {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        letter-spacing: 1px;
    }

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

    .nav-links {
        display: flex;
        gap: 24px;
        overflow-x: auto;
        scrollbar-width: none;
    }
    
    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-links a {
        font-size: 15px;
        color: var(--text-muted);
        transition: color 0.2s;
        white-space: nowrap;
    }

    .nav-links a:hover {
        color: var(--text-main);
    }

    .header-btn {
        background-color: var(--primary-color);
        color: #fff;
        padding: 8px 18px;
        border-radius: 20px;
        font-size: 14px;
        font-weight: 600;
        transition: background-color 0.2s;
    }

    .header-btn:hover {
        background-color: var(--primary-hover);
    }

    /* Main Container */
    main {
        padding-top: 60px;
    }

    section {
        padding: 60px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .section-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 30px;
    }

    .section-header h2 {
        font-size: 26px;
        font-weight: 700;
    }

    .section-header p {
        color: var(--text-muted);
        font-size: 14px;
        margin-top: 4px;
    }

    /* Hero Slider */
    .hero-section {
        max-width: 100%;
        padding: 0;
        position: relative;
        overflow: hidden;
    }

    .slider-container {
        position: relative;
        width: 100%;
        height: 60vh;
        min-height: 400px;
        max-height: 700px;
    }

    .slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: opacity 0.8s ease, transform 0.8s ease;
        transform: scale(1.05);
        pointer-events: none;
    }

    .slide.active {
        opacity: 1;
        transform: scale(1);
        pointer-events: auto;
    }

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

    .slide-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 60%;
        background: linear-gradient(to top, var(--bg-color) 0%, transparent 100%);
        display: flex;
        align-items: flex-end;
        padding: 40px 20px;
    }

    .slide-content {
        max-width: 1200px;
        margin: 0 auto;
        width: 100%;
    }

    .slide-tag {
        display: inline-block;
        background-color: var(--primary-color);
        color: #fff;
        padding: 4px 12px;
        border-radius: 4px;
        font-size: 12px;
        font-weight: 600;
        margin-bottom: 12px;
    }

    .slide-title {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 8px;
        max-width: 600px;
        line-height: 1.2;
    }

    .slide-desc {
        color: var(--text-muted);
        font-size: 15px;
        max-width: 500px;
        margin-bottom: 20px;
    }

    .watch-btn {
        background-color: var(--primary-color);
        color: #fff;
        padding: 12px 28px;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 600;
        display: inline-block;
        transition: background-color 0.2s;
        border: none;
        cursor: pointer;
    }

    .watch-btn:hover {
        background-color: var(--primary-hover);
    }

    .slider-dots {
        position: absolute;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 8px;
        z-index: 10;
    }

    .dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: rgba(255,255,255,0.3);
        cursor: pointer;
        transition: all 0.3s;
    }

    .dot.active {
        background-color: var(--primary-color);
        width: 24px;
        border-radius: 4px;
    }

    /* Latest Grid */
    .grid-layout {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 20px;
    }

    .card {
        background-color: var(--surface-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: transform 0.3s, box-shadow 0.3s;
        cursor: pointer;
    }

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }

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

    .card-img-wrap img {
        width: 100%;
        height: 100%;
        transition: transform 0.4s;
    }

    .card:hover .card-img-wrap img {
        transform: scale(1.05);
    }

    .card-tag {
        position: absolute;
        top: 8px;
        right: 8px;
        background-color: rgba(0,0,0,0.7);
        backdrop-filter: blur(4px);
        color: #fff;
        font-size: 11px;
        padding: 2px 6px;
        border-radius: 4px;
    }

    .card-info {
        padding: 12px;
    }

    .card-title {
        font-size: 15px;
        font-weight: 600;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin-bottom: 4px;
    }

    .card-meta {
        font-size: 12px;
        color: var(--text-muted);
        display: flex;
        justify-content: space-between;
    }

    /* AI Section Split */
    .ai-section {
        background-color: var(--surface-color);
        border-radius: var(--radius-lg);
        padding: 40px;
        margin-top: 40px;
        margin-bottom: 40px;
    }

    .ai-content {
        display: flex;
        align-items: center;
        gap: 40px;
    }

    .ai-text {
        flex: 1;
    }

    .ai-text h2 {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .ai-text p {
        color: var(--text-muted);
        font-size: 15px;
        margin-bottom: 24px;
    }

    .ai-gallery {
        flex: 1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .ai-gallery img {
        border-radius: var(--radius-md);
        aspect-ratio: 3/4;
    }

    /* Category Banners */
    .banner-row {
        display: flex;
        gap: 20px;
        margin-bottom: 20px;
    }

    .banner-card {
        flex: 1;
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        aspect-ratio: 16/9;
        display: flex;
        align-items: center;
        padding: 24px;
    }

    .banner-card img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
    }

    .banner-card::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, rgba(11,11,14,0.9) 0%, rgba(11,11,14,0.4) 100%);
        z-index: 1;
    }

    .banner-text {
        position: relative;
        z-index: 2;
        max-width: 60%;
    }

    .banner-text h3 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .banner-text p {
        font-size: 13px;
        color: #ddd;
    }

    /* Text Feature */
    .feature-section {
        text-align: center;
        max-width: 800px;
    }

    .feature-section h2 {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .feature-section p {
        color: var(--text-muted);
        font-size: 16px;
        line-height: 1.8;
        margin-bottom: 32px;
    }

    .download-btn-large {
        background-color: var(--primary-color);
        color: #fff;
        padding: 16px 48px;
        border-radius: 30px;
        font-size: 18px;
        font-weight: 600;
        display: inline-block;
        transition: transform 0.2s, background-color 0.2s;
    }

    .download-btn-large:hover {
        transform: scale(1.05);
        background-color: var(--primary-hover);
    }

    /* Footer */
    .site-footer {
        border-top: 1px solid var(--border-color);
        padding: 40px 20px;
        text-align: center;
        color: var(--text-muted);
        font-size: 13px;
    }

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

    .site-footer .update-time {
        font-size: 12px;
        color: #666;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .nav-links {
            display: none;
        }
        
        .slider-container {
            height: 50vh;
            min-height: 350px;
        }

        .slide-title {
            font-size: 24px;
        }

        .grid-layout {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .ai-content {
            flex-direction: column;
            gap: 20px;
        }

        .ai-section {
            padding: 20px;
        }

        .banner-row {
            flex-direction: column;
        }
        
        .banner-card {
            aspect-ratio: 21/9;
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        .grid-layout {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    @media (min-width: 1025px) {
        .grid-layout {
            grid-template-columns: repeat(5, 1fr);
        }
        .slider-container {
            height: 70vh;
        }
    }