:root {
        --bg-space: #05060A;
        --jelly-yellow: #FFD84D;
        --warm-orange: #FFA51F;
        --electric-cyan: #00F0C8;
        --hologram-purple: #8A6CFF;
        --text-main: #FFFFFF;
        --text-muted: #A7ACBB;
        --shell-glass: rgba(20, 24, 35, 0.6);
        --shell-border: rgba(255, 255, 255, 0.1);
        --glow-cyan: 0 0 15px rgba(0, 240, 200, 0.3);
        --glow-yellow: 0 0 20px rgba(255, 216, 77, 0.4);
        --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

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

    body {
        background-color: var(--bg-space);
        color: var(--text-main);
        font-family: var(--font-family);
        line-height: 1.6;
        overflow-x: hidden;
        background-image: 
            radial-gradient(circle at 15% 50%, rgba(0, 240, 200, 0.05) 0%, transparent 40%),
            radial-gradient(circle at 85% 30%, rgba(255, 216, 77, 0.05) 0%, transparent 40%);
    }

    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    
    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* Header */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 100;
        transition: all 0.3s ease;
        padding: 20px 0;
    }
    .site-header.scrolled {
        background: rgba(5, 6, 10, 0.85);
        backdrop-filter: blur(12px);
        padding: 12px 0;
        border-bottom: 1px solid var(--shell-border);
        box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 900;
        font-size: 1.2rem;
        letter-spacing: 1px;
    }
    .logo-area img {
        height: 36px;
        border-radius: 8px;
    }
    .main-nav {
        display: flex;
        gap: 24px;
        font-size: 0.95rem;
        color: var(--text-muted);
    }
    .main-nav a:hover {
        color: var(--jelly-yellow);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 15px;
    }
    .download-btn {
        background: linear-gradient(135deg, var(--jelly-yellow), var(--warm-orange));
        color: #000;
        font-weight: bold;
        padding: 10px 24px;
        border-radius: 30px;
        transition: transform 0.2s, box-shadow 0.2s;
    }
    .download-btn:hover {
        transform: scale(1.05);
        box-shadow: var(--glow-yellow);
    }

    /* Hero Section */
    .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding-top: 80px;
        position: relative;
    }
    .hero-inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }
    .hero-text {
        max-width: 600px;
    }
    .tagline {
        display: inline-block;
        color: var(--electric-cyan);
        border: 1px solid rgba(0, 240, 200, 0.3);
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 0.85rem;
        margin-bottom: 20px;
        background: rgba(0, 240, 200, 0.1);
    }
    .hero h1 {
        font-size: 3.5rem;
        font-weight: 900;
        line-height: 1.1;
        margin-bottom: 20px;
        letter-spacing: -1px;
    }
    .brand-text {
        background: linear-gradient(90deg, var(--jelly-yellow), var(--warm-orange));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-shadow: 0 0 30px rgba(255, 216, 77, 0.3);
    }
    .hero-subtitle {
        font-size: 1.1rem;
        color: var(--text-muted);
        margin-bottom: 30px;
        max-width: 450px;
    }
    .hero-cta {
        display: flex;
        gap: 15px;
    }
    .btn-primary, .btn-secondary {
        display: inline-block;
        padding: 14px 32px;
        border-radius: 30px;
        font-weight: bold;
        font-size: 1rem;
        text-align: center;
        transition: all 0.3s ease;
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--jelly-yellow), var(--warm-orange));
        color: #000;
    }
    .btn-primary:hover {
        box-shadow: var(--glow-yellow);
        transform: translateY(-2px);
    }
    .btn-secondary {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid var(--shell-border);
        color: var(--text-main);
    }
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--jelly-yellow);
        transform: translateY(-2px);
    }

    /* Hero Visual / Huanguo Capsule */
    .hero-visual {
        position: relative;
        height: 500px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .huanguo-capsule {
        width: 280px;
        height: 520px;
        background: var(--shell-glass);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 40px;
        box-shadow: 
            0 0 40px rgba(0, 240, 200, 0.1),
            inset 0 0 20px rgba(255, 255, 255, 0.05);
        position: relative;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        animation: float 6s ease-in-out infinite;
    }
    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-15px); }
    }
    .capsule-cover {
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.8;
        transition: transform 0.5s;
    }
    .huanguo-capsule:hover .capsule-cover {
        transform: scale(1.05);
    }
    .capsule-info {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 20px;
        background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    }
    
    /* Float Cards */
    .float-card {
        position: absolute;
        background: rgba(20, 24, 35, 0.8);
        backdrop-filter: blur(10px);
        border: 1px solid var(--electric-cyan);
        border-radius: 12px;
        padding: 12px 16px;
        font-size: 0.85rem;
        color: var(--text-main);
        box-shadow: var(--glow-cyan);
    }
    .float-card-1 { top: 15%; left: -10%; animation: float 5s ease-in-out infinite reverse; }
    .float-card-2 { bottom: 20%; right: -10%; animation: float 5.5s ease-in-out infinite; }

    /* Marquee Section */
    .energy-ticker {
        background: rgba(0, 240, 200, 0.05);
        border-top: 1px solid rgba(0, 240, 200, 0.2);
        border-bottom: 1px solid rgba(0, 240, 200, 0.2);
        padding: 15px 0;
        overflow: hidden;
        white-space: nowrap;
        margin-top: 40px;
    }
    .ticker-content {
        display: inline-block;
        animation: ticker 20s linear infinite;
        color: var(--jelly-yellow);
        font-weight: 500;
    }
    .ticker-content span { margin: 0 30px; display: inline-block; }
    .ticker-content span::before { content: '✦'; color: var(--electric-cyan); margin-right: 8px; }
    @keyframes ticker {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }

    /* Section Styling */
    section {
        padding: 80px 0;
    }
    .section-title {
        font-size: 2rem;
        font-weight: 900;
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .section-title::before {
        content: '';
        display: block;
        width: 8px;
        height: 24px;
        background: var(--jelly-yellow);
        border-radius: 4px;
    }
    .section-desc {
        color: var(--text-muted);
        margin-bottom: 40px;
        font-size: 1.05rem;
    }

    /* Emotion Channels */
    .capsule-filters {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 40px;
    }
    .capsule-btn {
        background: var(--shell-glass);
        border: 1px solid var(--shell-border);
        color: var(--text-muted);
        padding: 10px 24px;
        border-radius: 30px;
        font-size: 1rem;
        cursor: pointer;
        transition: all 0.3s;
    }
    .capsule-btn:hover, .capsule-btn.active {
        background: linear-gradient(135deg, rgba(255, 216, 77, 0.2), rgba(255, 165, 31, 0.2));
        border-color: var(--jelly-yellow);
        color: var(--jelly-yellow);
        box-shadow: 0 0 15px rgba(255, 216, 77, 0.2);
    }

    /* Grid Layouts */
    .drama-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .drama-card {
        background: var(--shell-glass);
        border-radius: 20px;
        overflow: hidden;
        border: 1px solid var(--shell-border);
        transition: transform 0.3s, box-shadow 0.3s;
        position: relative;
        display: flex;
        flex-direction: column;
    }
    .drama-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 30px rgba(0, 240, 200, 0.2);
        border-color: var(--electric-cyan);
    }
    .drama-cover {
        width: 100%;
        aspect-ratio: 3/4;
        object-fit: cover;
        transition: transform 0.5s;
    }
    .drama-card:hover .drama-cover {
        transform: scale(1.05);
    }
    .drama-info {
        padding: 16px;
        position: relative;
        z-index: 2;
        background: linear-gradient(to top, var(--bg-space) 10%, transparent);
    }
    .drama-title {
        font-size: 1.1rem;
        font-weight: bold;
        margin-bottom: 6px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .drama-tags {
        font-size: 0.8rem;
        color: var(--text-muted);
        display: flex;
        justify-content: space-between;
    }
    .play-btn-overlay {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 50px;
        height: 50px;
        background: rgba(255, 216, 77, 0.8);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: opacity 0.3s;
        pointer-events: none;
    }
    .play-btn-overlay::after {
        content: '';
        display: block;
        width: 0;
        height: 0;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        border-left: 15px solid #000;
        margin-left: 5px;
    }
    .drama-card:hover .play-btn-overlay { opacity: 1; }

    /* Top List Track */
    .track-list {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    .track-item {
        display: flex;
        align-items: center;
        background: var(--shell-glass);
        padding: 15px 20px;
        border-radius: 16px;
        border: 1px solid var(--shell-border);
        transition: transform 0.3s, border-color 0.3s;
    }
    .track-item:hover {
        transform: translateX(10px);
        border-color: var(--jelly-yellow);
        box-shadow: -5px 0 15px rgba(255, 216, 77, 0.2);
    }
    .track-rank {
        font-size: 1.5rem;
        font-weight: 900;
        color: var(--text-muted);
        width: 40px;
    }
    .track-item:nth-child(1) .track-rank { color: #FFD700; text-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }
    .track-item:nth-child(2) .track-rank { color: #C0C0C0; }
    .track-item:nth-child(3) .track-rank { color: #CD7F32; }
    .track-img {
        width: 60px;
        height: 80px;
        border-radius: 8px;
        object-fit: cover;
        margin-right: 20px;
    }
    .track-info { flex: 1; }
    .track-info h3 { font-size: 1.1rem; margin-bottom: 4px; }
    .track-info p { font-size: 0.85rem; color: var(--text-muted); }
    .track-heat {
        width: 150px;
        height: 6px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 3px;
        overflow: hidden;
        margin-right: 20px;
    }
    .track-heat-bar {
        height: 100%;
        background: linear-gradient(90deg, var(--electric-cyan), var(--jelly-yellow));
        border-radius: 3px;
    }
    .track-plays { font-size: 0.9rem; color: var(--jelly-yellow); font-weight: bold; width: 80px; text-align: right; }

    /* Tech Features */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .feature-card {
        background: var(--shell-glass);
        border: 1px solid var(--shell-border);
        border-radius: 24px;
        padding: 30px 20px;
        text-align: center;
        transition: transform 0.3s;
    }
    .feature-card:hover {
        transform: translateY(-5px);
        border-color: var(--hologram-purple);
        box-shadow: 0 10px 30px rgba(138, 108, 255, 0.15);
    }
    .feature-icon {
        font-size: 2rem;
        margin-bottom: 15px;
        display: inline-block;
    }
    .feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--electric-cyan); }
    .feature-card p { font-size: 0.9rem; color: var(--text-muted); }

    /* VIP Section */
    .vip-section {
        background: linear-gradient(135deg, rgba(255, 216, 77, 0.15), rgba(255, 165, 31, 0.15));
        border: 1px solid var(--jelly-yellow);
        border-radius: 32px;
        padding: 60px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;
        overflow: hidden;
    }
    .vip-section::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255, 216, 77, 0.1) 0%, transparent 60%);
        animation: rotate 15s linear infinite;
    }
    @keyframes rotate {
        100% { transform: rotate(360deg); }
    }
    .vip-content { position: relative; z-index: 2; max-width: 500px; }
    .vip-content h2 { font-size: 2.2rem; color: var(--jelly-yellow); margin-bottom: 15px; }
    .vip-content p { color: rgba(255, 255, 255, 0.8); margin-bottom: 25px; font-size: 1.05rem; }

    /* Footer */
    .site-footer {
        background: rgba(5, 6, 10, 0.95);
        border-top: 1px solid var(--shell-border);
        padding: 60px 0 20px;
        font-size: 0.9rem;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand h2 { font-size: 1.5rem; color: var(--jelly-yellow); margin-bottom: 15px; }
    .footer-brand p { color: var(--text-muted); max-width: 300px; }
    .footer-col h3 { font-size: 1.1rem; margin-bottom: 20px; color: var(--text-main); }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a { color: var(--text-muted); transition: color 0.2s; }
    .footer-col ul li a:hover { color: var(--jelly-yellow); }
    .footer-bottom {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid var(--shell-border);
        color: var(--text-muted);
        font-size: 0.8rem;
        display: flex;
        justify-content: space-between;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .hero h1 { font-size: 2.8rem; }
        .drama-grid { grid-template-columns: repeat(3, 1fr); }
        .feature-grid { grid-template-columns: repeat(2, 1fr); }
        .main-nav { display: none; }
        .vip-section { padding: 40px; flex-direction: column; align-items: flex-start; gap: 30px; }
    }
    @media (max-width: 768px) {
        .hero-inner { grid-template-columns: 1fr; text-align: center; }
        .hero-text { margin: 0 auto; }
        .hero-cta { justify-content: center; }
        .hero-visual { margin-top: 40px; height: 400px; }
        .huanguo-capsule { width: 220px; height: 400px; }
        .float-card-1 { left: -5%; top: 10%; }
        .float-card-2 { right: -5%; bottom: 10%; }
        .drama-grid { grid-template-columns: repeat(2, 1fr); }
        .track-item { flex-wrap: wrap; }
        .track-heat { display: none; }
        .footer-grid { grid-template-columns: 1fr; gap: 30px; }
        .footer-bottom { flex-direction: column; gap: 10px; }
    }