:root {
    --yellow: #FFD200;
    --yellow-dark: #E5B800;
    --black: #111111;
    --black-soft: #1C1C1C;
    --black-card: #242424;
    --gray-text: #A0A0A0;
    --white: #FFFFFF;
    --radius: 16px;
  }

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

  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

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

  img {
    max-width: 100%;
    display: block;
  }

  /* 导航栏 */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 210, 0, 0.15);
  }

  .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--yellow);
    letter-spacing: 1px;
  }

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

  .nav-links {
    display: none;
    gap: 32px;
    font-size: 15px;
    color: var(--gray-text);
  }

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

  .nav-btn {
    background-color: var(--yellow);
    color: var(--black);
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s ease;
  }

  .nav-btn:hover {
    background-color: var(--yellow-dark);
    transform: translateY(-2px);
  }

  /* 通用区块 */
  .section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .section-header {
    text-align: center;
    margin-bottom: 48px;
  }

  .section-header h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
  }

  .section-header h2 span {
    color: var(--yellow);
  }

  .section-header p {
    font-size: 16px;
    color: var(--gray-text);
    max-width: 600px;
    margin: 0 auto;
  }

  /* 首屏 */
  .hero {
    padding: 60px 20px 80px;
    background: radial-gradient(circle at 50% 0%, rgba(255, 210, 0, 0.15) 0%, transparent 70%);
    text-align: center;
  }

  .hero h1 {
    font-size: 38px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--white);
  }

  .hero h1 span {
    color: var(--yellow);
  }

  .hero p {
    font-size: 17px;
    color: var(--gray-text);
    max-width: 680px;
    margin: 0 auto 40px;
  }

  .hero-visual {
    display: flex;
    justify-content: center;
    gap: 16px;
    overflow-x: auto;
    padding: 20px 0;
    scrollbar-width: none;
  }

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

  .hero-visual img {
    height: 380px;
    width: auto;
    border-radius: var(--radius);
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
  }

  .hero-visual img:hover {
    transform: scale(1.02);
  }

  /* 数据轮播 */
  .stats-bar {
    background-color: var(--black-soft);
    border-top: 1px solid rgba(255, 210, 0, 0.1);
    border-bottom: 1px solid rgba(255, 210, 0, 0.1);
    padding: 40px 20px;
    overflow: hidden;
    position: relative;
  }

  .stats-track {
    display: flex;
    gap: 60px;
    white-space: nowrap;
    animation: scroll 20s linear infinite;
    width: max-content;
  }

  @keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  .stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
  }

  .stat-item strong {
    color: var(--yellow);
    font-size: 24px;
    font-weight: 900;
  }

  /* 平台介绍 */
  .intro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
  }

  .intro-text h3 {
    font-size: 24px;
    color: var(--yellow);
    margin-bottom: 16px;
    margin-top: 24px;
  }

  .intro-text h3:first-child {
    margin-top: 0;
  }

  .intro-text p {
    color: var(--gray-text);
    font-size: 16px;
    margin-bottom: 16px;
  }

  .intro-image img {
    border-radius: var(--radius);
    width: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }

  /* 平台优势 */
  .advantages {
    background-color: var(--black-soft);
    border-radius: 24px;
    padding: 60px 20px;
    margin: 0 20px;
  }

  .adv-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 1160px;
    margin: 0 auto;
  }

  .adv-card {
    background-color: var(--black-card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 210, 0, 0.1);
    transition: border-color 0.3s ease;
  }

  .adv-card:hover {
    border-color: var(--yellow);
  }

  .adv-card h3 {
    font-size: 20px;
    color: var(--yellow);
    margin-bottom: 12px;
  }

  .adv-card p {
    color: var(--gray-text);
    font-size: 15px;
  }

  /* 今日上新 */
  .update-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .update-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 3/4;
  }

  .update-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

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

  .update-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--yellow);
    color: var(--black);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 800;
  }

  /* 热播榜 */
  .hot-list {
    background-color: var(--black-soft);
    border-radius: 24px;
    padding: 40px 20px;
  }

  .hot-item {
    display: flex;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    align-items: center;
  }

  .hot-item:last-child {
    border-bottom: none;
  }

  .hot-rank {
    font-size: 24px;
    font-weight: 900;
    color: var(--yellow);
    width: 40px;
    text-align: center;
    flex-shrink: 0;
  }

  .hot-img {
    width: 80px;
    height: 110px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
  }

  .hot-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--white);
  }

  .hot-info p {
    font-size: 14px;
    color: var(--gray-text);
  }

  /* 专题板块 */
  .topic-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .topic-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 240px;
  }

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

  .topic-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  }

  .topic-overlay h3 {
    font-size: 22px;
    color: var(--yellow);
    margin-bottom: 8px;
  }

  .topic-overlay p {
    font-size: 14px;
    color: var(--gray-text);
  }

  /* 评价 */
  .review-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .review-card {
    background-color: var(--black-card);
    padding: 28px;
    border-radius: var(--radius);
    border-left: 4px solid var(--yellow);
  }

  .review-card p {
    font-size: 15px;
    color: var(--white);
    margin-bottom: 16px;
    font-style: italic;
  }

  .review-user {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--yellow);
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
  }

  .review-user span {
    font-size: 14px;
    color: var(--gray-text);
  }

  /* 下载板块 */
  .download-section {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--black-soft) 0%, var(--black) 100%);
    border-top: 1px solid rgba(255, 210, 0, 0.2);
  }

  .download-section h2 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 16px;
  }

  .download-section h2 span {
    color: var(--yellow);
  }

  .download-section p {
    color: var(--gray-text);
    font-size: 16px;
    margin-bottom: 40px;
  }

  .download-btn {
    display: inline-block;
    background-color: var(--yellow);
    color: var(--black);
    padding: 24px 80px;
    border-radius: 50px;
    font-size: 22px;
    font-weight: 900;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(255, 210, 0, 0.3);
  }

  .download-btn:hover {
    background-color: var(--yellow-dark);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(255, 210, 0, 0.4);
  }

  /* FAQ */
  .faq-list {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background-color: var(--black-soft);
    border-radius: var(--radius);
    margin-bottom: 16px;
    padding: 24px;
    border: 1px solid rgba(255, 210, 0, 0.1);
  }

  .faq-item h3 {
    font-size: 18px;
    color: var(--yellow);
    margin-bottom: 12px;
  }

  .faq-item p {
    font-size: 15px;
    color: var(--gray-text);
  }

  /* 页脚 */
  .footer {
    background-color: var(--black);
    border-top: 1px solid rgba(255, 210, 0, 0.1);
    padding: 60px 20px 40px;
    text-align: center;
  }

  .footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--yellow);
    margin-bottom: 24px;
  }

  .footer-brand img {
    height: 32px;
    border-radius: 6px;
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
  }

  .footer-links a {
    color: var(--gray-text);
    font-size: 14px;
  }

  .footer-links a:hover {
    color: var(--yellow);
  }

  .footer-copy {
    color: #666;
    font-size: 13px;
    line-height: 1.8;
  }

  .footer-copy time {
    color: #555;
  }

  /* 响应式 768px */
  @media (min-width: 768px) {
    .nav-links {
      display: flex;
    }
    .hero h1 {
      font-size: 52px;
    }
    .hero-visual img {
      height: 480px;
    }
    .intro-grid {
      grid-template-columns: 1fr 1fr;
    }
    .adv-grid {
      grid-template-columns: 1fr 1fr;
    }
    .update-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    .topic-grid {
      grid-template-columns: 1fr 1fr;
    }
    .review-grid {
      grid-template-columns: 1fr 1fr;
    }
    .section-header h2 {
      font-size: 40px;
    }
    .download-btn {
      padding: 28px 120px;
      font-size: 26px;
    }
  }

  /* 响应式 1024px */
  @media (min-width: 1024px) {
    .section {
      padding: 100px 40px;
    }
    .hero {
      padding: 80px 40px 100px;
    }
    .hero h1 {
      font-size: 64px;
    }
    .hero-visual img {
      height: 560px;
    }
    .adv-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    .update-grid {
      grid-template-columns: repeat(5, 1fr);
    }
    .topic-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .review-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .stats-track {
      gap: 80px;
    }
  }