:root {
    --bg-dark: #121016;
    --bg-card: #1c1922;
    --brand-main: #ff2a55;
    --brand-grad: linear-gradient(90deg, #ff2a55, #ff6a3d);
    --text-main: #f5f5f7;
    --text-muted: #a3a0ab;
    --radius-lg: 16px;
    --radius-md: 12px;
  }

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

  body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

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

  /* 顶部导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(18, 16, 22, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

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

  .logo-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
  }

  .logo-group img {
    height: 32px;
    border-radius: 6px;
    object-fit: cover;
  }

  .nav-links {
    display: flex;
    gap: 24px;
    font-size: 15px;
    color: var(--text-muted);
  }

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

  .nav-cta {
    background: var(--brand-grad);
    color: #fff;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.2s;
  }

  .nav-cta:hover {
    transform: scale(1.05);
  }

  /* 通用容器 */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
  }

  .section-desc {
    text-align: center;
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Hero 首屏区块 */
  .hero-section {
    padding: 40px 0 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at 50% 0%, #2a1b2e 0%, var(--bg-dark) 70%);
  }

  .hero-content {
    max-width: 800px;
    margin-bottom: 40px;
    z-index: 2;
  }

  .hero-content h1 {
    font-size: 40px;
    line-height: 1.3;
    margin-bottom: 16px;
    font-weight: 800;
  }

  .hero-content h1 span {
    background: var(--brand-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-content p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 28px;
  }

  .btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-grad);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    padding: 14px 48px;
    border-radius: 40px;
    box-shadow: 0 8px 24px rgba(255, 42, 85, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
  }

  .btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 42, 85, 0.4);
  }

  /* 首屏海报墙 */
  .hero-covers {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 20px 20px 40px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
  }

  .hero-covers::-webkit-scrollbar {
    display: none;
  }

  .hero-cover-item {
    flex: 0 0 auto;
    width: 200px;
    scroll-snap-align: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    position: relative;
    transition: transform 0.3s;
  }

  .hero-cover-item:hover {
    transform: translateY(-6px);
  }

  .hero-cover-item img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 3 / 4;
    object-fit: cover;
  }

  /* 热门推荐区块 */
  .recommend-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .recommend-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
  }

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

  .card-info {
    padding: 12px;
    text-align: center;
  }

  .card-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .card-info p {
    font-size: 12px;
    color: var(--text-muted);
  }

  /* 魔改短剧区块 */
  .feature-block {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }

  .feature-text {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--brand-main);
  }

  .feature-text h2 {
    font-size: 24px;
    margin-bottom: 12px;
  }

  .feature-text p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 16px;
  }

  .feature-images {
    display: flex;
    gap: 16px;
  }

  .feature-images img {
    flex: 1;
    width: 50%;
    border-radius: var(--radius-md);
    object-fit: cover;
    aspect-ratio: 3 / 4;
  }

  /* 在线看优势区块 */
  .benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .benefit-item {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .benefit-item h3 {
    font-size: 18px;
    color: var(--brand-main);
  }

  .benefit-item p {
    font-size: 14px;
    color: var(--text-muted);
  }

  /* 截图墙区块 */
  .screenshot-wall {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .screenshot-wall img {
    width: 100%;
    border-radius: var(--radius-md);
    object-fit: cover;
    aspect-ratio: 3 / 4;
  }

  /* 下载引导区块 */
  .download-section {
    text-align: center;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #1f1826 100%);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    margin-bottom: 40px;
  }

  .download-section h2 {
    font-size: 26px;
    margin-bottom: 12px;
  }

  .download-section p {
    color: var(--text-muted);
    margin-bottom: 24px;
  }

  /* 页脚 */
  .site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px 20px;
    text-align: center;
    color: #666;
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .site-footer a {
    color: #888;
    transition: color 0.2s;
  }

  .site-footer a:hover {
    color: var(--text-main);
  }

  /* 响应式：768px 断点 */
  @media (min-width: 768px) {
    .hero-content h1 {
      font-size: 48px;
    }
    .hero-content p {
      font-size: 18px;
    }
    .recommend-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .benefits-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .screenshot-wall {
      grid-template-columns: repeat(3, 1fr);
    }
    .feature-block {
      flex-direction: row;
      align-items: center;
    }
    .feature-text {
      flex: 1;
    }
    .feature-images {
      flex: 1;
    }
  }

  /* 响应式：1024px 断点 */
  @media (min-width: 1024px) {
    .hero-content h1 {
      font-size: 56px;
    }
    .recommend-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    .benefits-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    .screenshot-wall {
      grid-template-columns: repeat(5, 1fr);
    }
    .nav-links {
      display: flex;
    }
  }

  @media (max-width: 767px) {
    .nav-links {
      display: none;
    }
    .hero-content h1 {
      font-size: 32px;
    }
    .section-title {
      font-size: 24px;
    }
  }