:root {
        --primary: #ff4d4d;
        --secondary: #ffb84d;
        --dark: #1a1a1a;
        --light: #f8f9fa;
        --text: #333;
        --text-light: #666;
        --bg-1: #fff5f0;
        --bg-2: #f0f7ff;
        --bg-3: #fdf0f5;
        --bg-4: #f5f5f5;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        color: var(--text);
        background: var(--light);
        line-height: 1.6;
        overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    
    /* Header */
    .site-header {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }
    .header-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 12px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .brand img {
        height: 36px;
        width: 36px;
        border-radius: 8px;
        object-fit: cover;
    }
    .brand-name {
        font-size: 20px;
        font-weight: 700;
        color: var(--dark);
        letter-spacing: 1px;
    }
    .header-nav {
        display: flex;
        gap: 20px;
    }
    .header-nav a {
        font-size: 15px;
        color: var(--text-light);
        transition: color 0.3s;
    }
    .header-nav a:hover { color: var(--primary); }
    
    /* Hero Section */
    .hero {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d1b1b 100%);
        color: #fff;
        padding: 60px 20px 0;
        position: relative;
        overflow: hidden;
    }
    .hero::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255,77,77,0.1) 0%, transparent 70%);
        animation: rotateBg 20s linear infinite;
    }
    @keyframes rotateBg {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }
    .hero-inner {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        gap: 60px;
        position: relative;
        z-index: 1;
    }
    .hero-content {
        flex: 1;
    }
    .hero-title {
        font-size: 48px;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 20px;
        background: linear-gradient(90deg, #fff, #ffb84d);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-desc {
        font-size: 18px;
        color: rgba(255,255,255,0.8);
        margin-bottom: 30px;
        line-height: 1.8;
    }
    .hero-badges {
        display: flex;
        gap: 15px;
        flex-wrap: wrap;
        margin-bottom: 30px;
    }
    .hero-badge {
        background: rgba(255,255,255,0.1);
        border: 1px solid rgba(255,255,255,0.2);
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 14px;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .hero-badge::before {
        content: '✓';
        color: var(--secondary);
        font-weight: bold;
    }
    
    /* Device Buttons */
    .device-buttons {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .btn-device {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px 24px;
        border-radius: 12px;
        font-size: 15px;
        font-weight: 600;
        transition: all 0.3s;
        border: none;
        cursor: pointer;
        text-decoration: none;
    }
    .btn-android {
        background: linear-gradient(135deg, #3ddc84, #2bb673);
        color: #fff;
    }
    .btn-ios {
        background: linear-gradient(135deg, #333, #000);
        color: #fff;
    }
    .btn-web {
        background: linear-gradient(135deg, #ff8c00, #ff4d4d);
        color: #fff;
    }
    .btn-harmony {
        background: linear-gradient(135deg, #00a0e9, #0070c0);
        color: #fff;
    }
    .btn-device:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    }
    .btn-icon {
        width: 20px;
        height: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
    }
    
    /* Hero Visual */
    .hero-visual {
        flex: 0 0 300px;
        position: relative;
    }
    .hero-visual-carousel {
        position: relative;
        width: 100%;
        height: 400px;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    }
    .hero-slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: opacity 0.8s ease;
    }
    .hero-slide.active { opacity: 1; }
    .hero-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    /* Marquee */
    .marquee-wrapper {
        background: linear-gradient(90deg, #ff4d4d, #ff8c00, #ff4d4d);
        padding: 15px 0;
        overflow: hidden;
        margin-top: 40px;
    }
    .marquee {
        display: flex;
        animation: scroll 30s linear infinite;
        white-space: nowrap;
    }
    .marquee-item {
        padding: 0 30px;
        color: #fff;
        font-size: 16px;
        font-weight: 600;
        text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }
    @keyframes scroll {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }
    
    /* Sections Common */
    .section {
        padding: 60px 20px;
    }
    .section-inner {
        max-width: 1200px;
        margin: 0 auto;
    }
    .section-title {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 10px;
        color: var(--dark);
    }
    .section-subtitle {
        font-size: 16px;
        color: var(--text-light);
        margin-bottom: 40px;
    }
    .section-title-wrap {
        text-align: center;
        margin-bottom: 40px;
    }
    
    /* Today Updates */
    .today-section {
        background: var(--bg-1);
    }
    .today-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .today-card {
        display: flex;
        gap: 20px;
        background: #fff;
        border-radius: 16px;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(255,77,77,0.08);
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .today-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(255,77,77,0.15);
    }
    .today-card-img {
        flex: 0 0 90px;
        height: 120px;
        border-radius: 10px;
        overflow: hidden;
    }
    .today-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .today-card-info {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .today-card-title {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--dark);
    }
    .today-card-tags {
        display: flex;
        gap: 6px;
        flex-wrap: wrap;
        margin-bottom: 10px;
    }
    .today-tag {
        background: #fff0f0;
        color: var(--primary);
        font-size: 12px;
        padding: 3px 10px;
        border-radius: 10px;
    }
    .today-card-date {
        font-size: 13px;
        color: var(--text-light);
    }
    .today-card-score {
        color: var(--secondary);
        font-weight: 700;
        font-size: 14px;
    }
    
    /* Blind Box */
    .blindbox-section {
        background: var(--bg-2);
    }
    .blindbox-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .blindbox-card {
        background: #fff;
        border-radius: 16px;
        padding: 20px;
        text-align: center;
        transition: transform 0.3s;
        border: 2px solid transparent;
    }
    .blindbox-card:hover {
        transform: translateY(-5px);
        border-color: var(--primary);
    }
    .blindbox-icon {
        font-size: 40px;
        margin-bottom: 12px;
    }
    .blindbox-title {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--dark);
    }
    .blindbox-desc {
        font-size: 13px;
        color: var(--text-light);
        line-height: 1.5;
    }
    
    /* Ranking */
    .ranking-section {
        background: var(--bg-3);
    }
    .ranking-wrap {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .ranking-list {
        background: #fff;
        border-radius: 16px;
        padding: 24px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    }
    .ranking-item {
        display: flex;
        align-items: center;
        gap: 15px;
        padding: 14px 0;
        border-bottom: 1px solid #f0f0f0;
    }
    .ranking-item:last-child { border-bottom: none; }
    .ranking-num {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        background: #ccc;
        flex-shrink: 0;
    }
    .ranking-num.top-1 { background: linear-gradient(135deg, #ff4d4d, #ff8c00); }
    .ranking-num.top-2 { background: linear-gradient(135deg, #ff8c00, #ffb84d); }
    .ranking-num.top-3 { background: linear-gradient(135deg, #ffb84d, #ffd700); }
    .ranking-info {
        flex: 1;
    }
    .ranking-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--dark);
    }
    .ranking-tag {
        font-size: 12px;
        color: var(--text-light);
    }
    .ranking-score {
        font-size: 14px;
        font-weight: 700;
        color: var(--primary);
    }
    
    /* Danmaku */
    .danmaku-section {
        background: #1a1a1a;
        color: #fff;
    }
    .danmaku-section .section-title { color: #fff; }
    .danmaku-section .section-subtitle { color: rgba(255,255,255,0.6); }
    .danmaku-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .danmaku-card {
        background: rgba(255,255,255,0.08);
        border-radius: 16px;
        padding: 20px;
        border: 1px solid rgba(255,255,255,0.1);
    }
    .danmaku-user {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }
    .danmaku-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        object-fit: cover;
        border: 2px solid rgba(255,255,255,0.2);
    }
    .danmaku-name {
        font-size: 14px;
        font-weight: 600;
        color: var(--secondary);
    }
    .danmaku-text {
        font-size: 15px;
        color: rgba(255,255,255,0.9);
        line-height: 1.6;
    }
    .danmaku-time {
        font-size: 12px;
        color: rgba(255,255,255,0.4);
        margin-top: 10px;
    }
    
    /* Quote Wall */
    .quote-section {
        background: var(--bg-4);
    }
    .quote-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .quote-card {
        background: #fff;
        border-radius: 16px;
        padding: 24px;
        position: relative;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    }
    .quote-mark {
        font-size: 48px;
        color: var(--primary);
        line-height: 1;
        opacity: 0.3;
        position: absolute;
        top: 10px;
        left: 15px;
    }
    .quote-text {
        font-size: 16px;
        color: var(--text);
        line-height: 1.8;
        padding-left: 20px;
        font-style: italic;
    }
    .quote-source {
        font-size: 13px;
        color: var(--text-light);
        margin-top: 12px;
        text-align: right;
    }
    
    /* Timeline */
    .timeline-section {
        background: var(--bg-1);
    }
    .timeline {
        position: relative;
        max-width: 800px;
        margin: 0 auto;
    }
    .timeline::before {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        width: 3px;
        height: 100%;
        background: linear-gradient(180deg, var(--primary), var(--secondary));
        border-radius: 2px;
    }
    .timeline-item {
        display: flex;
        align-items: center;
        margin-bottom: 30px;
        position: relative;
    }
    .timeline-item:nth-child(odd) {
        flex-direction: row-reverse;
    }
    .timeline-content {
        flex: 0 0 42%;
        background: #fff;
        border-radius: 12px;
        padding: 16px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    }
    .timeline-time {
        font-size: 18px;
        font-weight: 800;
        color: var(--primary);
        margin-bottom: 6px;
    }
    .timeline-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--dark);
    }
    .timeline-desc {
        font-size: 13px;
        color: var(--text-light);
    }
    .timeline-dot {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        width: 16px;
        height: 16px;
        background: var(--primary);
        border-radius: 50%;
        border: 3px solid #fff;
        box-shadow: 0 0 0 3px rgba(255,77,77,0.2);
    }
    
    /* Interactive */
    .interactive-section {
        background: var(--bg-2);
    }
    .interactive-wrap {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 40px;
        align-items: center;
    }
    .interactive-visual {
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    }
    .interactive-visual img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 3/4;
    }
    .interactive-options {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .interactive-option {
        background: #fff;
        border-radius: 12px;
        padding: 18px 20px;
        display: flex;
        align-items: center;
        gap: 15px;
        cursor: pointer;
        transition: all 0.3s;
        border: 2px solid transparent;
    }
    .interactive-option:hover {
        border-color: var(--primary);
        transform: translateX(5px);
    }
    .option-letter {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 14px;
        flex-shrink: 0;
    }
    .option-text {
        font-size: 15px;
        color: var(--text);
    }
    
    /* FAQ */
    .faq-section {
        background: var(--bg-4);
    }
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: #fff;
        border-radius: 12px;
        margin-bottom: 12px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }
    .faq-question {
        padding: 18px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--dark);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .faq-question::after {
        content: '+';
        font-size: 22px;
        color: var(--primary);
        transition: transform 0.3s;
    }
    .faq-item.open .faq-question::after {
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
        padding: 0 24px;
    }
    .faq-item.open .faq-answer {
        max-height: 200px;
        padding-bottom: 18px;
    }
    .faq-answer p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.7;
    }
    
    /* Download Section */
    .download-section {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d1b1b 100%);
        color: #fff;
        padding: 80px 20px;
    }
    .download-section .section-title { color: #fff; }
    .download-section .section-subtitle { color: rgba(255,255,255,0.7); }
    .download-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        margin-bottom: 50px;
    }
    .download-step {
        text-align: center;
        padding: 20px;
        background: rgba(255,255,255,0.05);
        border-radius: 16px;
        border: 1px solid rgba(255,255,255,0.1);
    }
    .step-num {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 18px;
        margin: 0 auto 12px;
    }
    .step-title {
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 6px;
    }
    .step-desc {
        font-size: 13px;
        color: rgba(255,255,255,0.6);
    }
    .download-section .device-buttons {
        justify-content: center;
    }
    
    /* Floating Download */
    .floating-download {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        color: #fff;
        padding: 14px 32px;
        border-radius: 30px;
        display: flex;
        align-items: center;
        gap: 10px;
        box-shadow: 0 8px 25px rgba(255,77,77,0.4);
        z-index: 200;
        cursor: pointer;
        transition: all 0.3s;
        text-decoration: none;
    }
    .floating-download:hover {
        transform: translateX(-50%) translateY(-3px);
        box-shadow: 0 12px 30px rgba(255,77,77,0.5);
    }
    .floating-download img {
        width: 28px;
        height: 28px;
        border-radius: 6px;
    }
    .floating-download span {
        font-size: 15px;
        font-weight: 600;
        white-space: nowrap;
    }
    
    /* Footer */
    .site-footer {
        background: #111;
        color: rgba(255,255,255,0.5);
        padding: 40px 20px 30px;
        font-size: 13px;
    }
    .footer-inner {
        max-width: 1200px;
        margin: 0 auto;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 30px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }
    .footer-brand img {
        width: 28px;
        height: 28px;
        border-radius: 6px;
    }
    .footer-brand-name {
        font-size: 16px;
        font-weight: 700;
        color: #fff;
    }
    .footer-desc {
        font-size: 13px;
        line-height: 1.7;
        color: rgba(255,255,255,0.4);
    }
    .footer-nav h4 {
        color: #fff;
        font-size: 14px;
        margin-bottom: 12px;
    }
    .footer-nav a {
        display: block;
        color: rgba(255,255,255,0.5);
        font-size: 13px;
        margin-bottom: 8px;
        transition: color 0.3s;
    }
    .footer-nav a:hover { color: var(--primary); }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 20px;
        text-align: center;
        font-size: 12px;
        color: rgba(255,255,255,0.3);
    }
    .footer-bottom a {
        color: rgba(255,255,255,0.4);
    }
    .footer-bottom a:hover { color: var(--primary); }
    .footer-time {
        margin-top: 8px;
        font-size: 12px;
        color: rgba(255,255,255,0.25);
    }
    
    /* Copy Modal */
    .copy-modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.6);
        z-index: 300;
        align-items: center;
        justify-content: center;
        padding: 20px;
    }
    .copy-modal.show { display: flex; }
    .copy-modal-content {
        background: #fff;
        border-radius: 16px;
        padding: 30px;
        max-width: 400px;
        width: 100%;
        text-align: center;
    }
    .copy-modal-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 16px;
        line-height: 1.5;
    }
    .copy-modal-input {
        width: 100%;
        padding: 12px;
        border: 1px solid #ddd;
        border-radius: 8px;
        font-size: 14px;
        color: var(--text);
        margin-bottom: 16px;
        background: #f8f9fa;
    }
    .copy-modal-btn {
        width: 100%;
        padding: 12px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        color: #fff;
        border: none;
        border-radius: 8px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
    }
    
    /* Responsive */
    @media (max-width: 1024px) {
        .hero-inner { flex-direction: column; gap: 40px; }
        .hero-visual { flex: 0 0 auto; width: 100%; max-width: 400px; }
        .hero-visual-carousel { height: 350px; }
        .hero-title { font-size: 38px; }
        .today-grid { grid-template-columns: 1fr; }
        .blindbox-grid { grid-template-columns: repeat(3, 1fr); }
        .ranking-wrap { grid-template-columns: 1fr; gap: 30px; }
        .danmaku-grid { grid-template-columns: repeat(2, 1fr); }
        .quote-grid { grid-template-columns: 1fr; }
        .interactive-wrap { grid-template-columns: 1fr; }
        .download-steps { grid-template-columns: repeat(2, 1fr); }
        .footer-top { grid-template-columns: 1fr 1fr; }
    }
    
    @media (max-width: 768px) {
        .header-nav { display: none; }
        .hero { padding: 40px 16px 0; }
        .hero-title { font-size: 30px; }
        .hero-desc { font-size: 15px; }
        .hero-visual-carousel { height: 280px; }
        .section { padding: 40px 16px; }
        .section-title { font-size: 24px; }
        .section-subtitle { font-size: 14px; }
        .blindbox-grid { grid-template-columns: repeat(2, 1fr); }
        .danmaku-grid { grid-template-columns: 1fr; }
        .timeline::before { left: 20px; }
        .timeline-item, .timeline-item:nth-child(odd) { flex-direction: row; padding-left: 50px; }
        .timeline-content { flex: 1; }
        .timeline-dot { left: 20px; }
        .download-steps { grid-template-columns: 1fr; }
        .footer-top { grid-template-columns: 1fr; gap: 24px; }
        .floating-download { padding: 12px 24px; font-size: 14px; }
        .floating-download span { font-size: 14px; }
        .device-buttons { justify-content: center; }
        .btn-device { padding: 10px 18px; font-size: 14px; }
        .today-card { flex-direction: column; }
        .today-card-img { flex: 0 0 auto; width: 100%; height: 180px; }
    }