:root {
      --bg-color: #121019;
      --surface-color: #1c1825;
      --surface-light: #2a2438;
      --primary-color: #ff7a3d;
      --primary-gradient: linear-gradient(135deg, #ff7a3d, #ff4d6d);
      --text-main: #f2f0f5;
      --text-muted: #a39eaf;
      --border-color: #3a3149;
      --radius-md: 12px;
      --radius-lg: 24px;
      --transition: 0.3s ease;
    }

    * {
      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;
    }

    /* 导航栏 */
    .navbar {
      position: sticky;
      top: 0;
      background: rgba(18, 16, 25, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      z-index: 100;
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 16px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 1px;
    }

    .logo-box img {
      height: 36px;
      border-radius: 8px;
    }

    .nav-links {
      display: flex;
      gap: 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

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

    /* 首屏 Hero */
    .hero {
      padding: 80px 24px 60px;
      text-align: center;
      background: radial-gradient(circle at 50% 0%, rgba(255, 122, 61, 0.15) 0%, transparent 60%);
    }

    .hero h1 {
      font-size: 2.8rem;
      line-height: 1.3;
      margin-bottom: 16px;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero p {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 600px;
      margin: 0 auto 40px;
    }

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

    .btn-download {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 32px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 1.05rem;
      color: #fff;
      background: var(--primary-gradient);
      box-shadow: 0 8px 20px rgba(255, 77, 109, 0.3);
      transition: var(--transition);
    }

    .btn-download:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(255, 77, 109, 0.4);
    }
    
    .btn-download.secondary {
      background: var(--surface-light);
      border: 1px solid var(--border-color);
      box-shadow: none;
    }

    /* 通用区块 */
    .section {
      padding: 80px 24px;
    }

    .section-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .section-title {
      font-size: 2rem;
      margin-bottom: 40px;
      text-align: center;
    }

    .section-title span {
      color: var(--primary-color);
    }

    /* 短剧热播 & AI短剧专区 */
    .drama-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 24px;
    }

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

    .drama-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
      border-color: var(--primary-color);
    }

    .drama-cover {
      position: relative;
      aspect-ratio: 3/4;
    }

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

    .drama-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(0, 0, 0, 0.7);
      color: var(--primary-color);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.8rem;
      font-weight: 600;
      border: 1px solid var(--primary-color);
    }

    .drama-info {
      padding: 16px;
    }

    .drama-title {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 8px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .drama-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 12px;
      height: 2.8em;
    }

    .drama-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-muted);
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
    }

    /* 安装步骤 */
    .steps-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      max-width: 800px;
      margin: 0 auto;
    }
    
    .step-card {
      background: var(--surface-color);
      padding: 24px;
      border-radius: var(--radius-md);
      display: flex;
      gap: 20px;
      border-left: 4px solid var(--primary-color);
    }

    .step-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1;
      opacity: 0.8;
    }

    .step-content h3 {
      margin-bottom: 8px;
      font-size: 1.2rem;
    }

    .step-content p {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    /* 用户热评 & 常见问题 (问答风格) */
    .qa-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
    }

    .qa-card {
      background: var(--surface-color);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .qa-card h3 {
      font-size: 1.1rem;
      color: var(--primary-color);
      margin-bottom: 12px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .qa-card h3::before {
      content: 'Q';
      background: var(--primary-color);
      color: #fff;
      width: 20px;
      height: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      font-size: 0.8rem;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .qa-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      padding-left: 28px;
    }

    /* 隐私安全 */
    .privacy-section {
      background: var(--surface-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      border: 1px solid var(--border-color);
    }

    .privacy-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 32px;
    }

    .privacy-item h3 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }

    .privacy-item p {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    /* 创作者计划 & 交流社区 */
    .creator-community {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .panel {
      background: linear-gradient(145deg, var(--surface-color), var(--surface-light));
      padding: 40px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
    }

    .panel h3 {
      font-size: 1.5rem;
      margin-bottom: 16px;
    }
    
    .panel p {
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .panel ul {
      list-style: none;
    }

    .panel ul li {
      padding: 12px 0;
      border-bottom: 1px solid var(--border-color);
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .panel ul li::before {
      content: '•';
      color: var(--primary-color);
      font-size: 1.5rem;
    }

    /* 底部下载 */
    .footer-cta {
      text-align: center;
      background: radial-gradient(circle at 50% 100%, rgba(255, 122, 61, 0.15) 0%, transparent 70%);
      padding: 80px 24px;
      border-top: 1px solid var(--border-color);
    }

    .footer-cta h2 {
      font-size: 2.2rem;
      margin-bottom: 24px;
    }

    .footer-cta p {
      color: var(--text-muted);
      margin-bottom: 40px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    /* 页脚 */
    footer {
      background-color: #0b0910;
      padding: 40px 24px;
      text-align: center;
      border-top: 1px solid var(--border-color);
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    footer p {
      margin-bottom: 8px;
    }
    
    .update-time {
      font-size: 0.8rem;
      color: #666;
      margin-top: 16px;
    }

    /* 响应式 */
    @media (max-width: 1024px) {
      .hero h1 { font-size: 2.4rem; }
      .creator-community { grid-template-columns: 1fr; }
      .privacy-section { padding: 32px; }
      .nav-links { display: none; } /* 移动端隐藏导航 */
    }

    @media (max-width: 768px) {
      .hero { padding: 60px 16px 40px; }
      .hero h1 { font-size: 2rem; }
      .hero p { font-size: 1rem; margin-bottom: 32px; }
      .download-group { flex-direction: column; }
      .btn-download { width: 100%; }
      .section { padding: 60px 16px; }
      .section-title { font-size: 1.6rem; margin-bottom: 32px; }
      .steps-list { gap: 16px; }
      .step-card { padding: 16px; gap: 16px; }
      .qa-grid { grid-template-columns: 1fr; }
      .footer-cta { padding: 60px 16px; }
      .footer-cta h2 { font-size: 1.8rem; }
      .privacy-section { padding: 24px; }
      .panel { padding: 24px; }
    }