:root {
    --pink-bg: #fde8ee;
    --pink-light: #fff2f6;
    --pink-accent: #ff8fb1;
    --text-dark: #333333;
    --text-gray: #666666;
    --text-light: #999999;
    --white: #ffffff;
  }
  * {
    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(--pink-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
  }
  a { text-decoration: none; color: inherit; }
  ul { list-style: none; }
  img { max-width: 100%; display: block; }

  /* 顶部导航 */
  .top-nav {
    position: sticky;
    top: 0;
    background: rgba(255, 242, 246, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(255, 143, 177, 0.1);
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: bold;
    font-size: 18px;
    color: var(--text-dark);
  }
  .nav-logo img {
    height: 32px;
    border-radius: 8px;
  }
  .nav-links {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a {
    font-size: 14px;
    color: var(--text-gray);
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: 20px;
    transition: all 0.3s;
  }
  .nav-links a:hover {
    background: var(--pink-bg);
    color: var(--pink-accent);
  }

  /* 首屏大卡片 */
  .hero-section {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .hero-card {
    background: var(--pink-bg);
    border-radius: 40px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(255, 143, 177, 0.15);
  }
  .hero-left {
    position: relative;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  /* 抽象3D图形 */
  .shape-3d {
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
  }
  .shape-1 {
    width: 180px; height: 180px;
    background: linear-gradient(135deg, #ffb6c1, #ff69b4);
    top: 20px; left: 20px;
    box-shadow: 20px 20px 40px rgba(255, 105, 180, 0.4);
  }
  .shape-2 {
    width: 120px; height: 120px;
    background: linear-gradient(135deg, #ffe4e1, #ffb6c1);
    bottom: 10px; right: 30px;
    box-shadow: -10px 10px 30px rgba(255, 182, 193, 0.6);
  }
  .shape-3 {
    width: 80px; height: 80px;
    background: var(--white);
    top: 60px; right: 50px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  }
  .hero-phone {
    position: relative;
    z-index: 2;
    width: 130px;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
  }
  
  .hero-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .hero-right h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 15px;
  }
  .hero-right p {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 30px;
  }
  .cta-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }
  .btn-primary {
    background: var(--white);
    color: var(--text-dark);
    font-weight: bold;
    font-size: 16px;
    padding: 12px 30px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.5);
    transition: transform 0.2s;
    border: none;
    cursor: pointer;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
  }
  .btn-link {
    color: var(--text-gray);
    font-size: 14px;
    text-decoration: underline;
    text-underline-offset: 4px;
  }
  
  /* 特色下载按钮 */
  .download-btns {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
  }
  .btn-android, .btn-ios {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: bold;
    color: var(--white);
    transition: all 0.3s;
    border: none;
    cursor: pointer;
  }
  .btn-android {
    background: linear-gradient(135deg, #a1c4fd, #c2e9fb);
    color: #333;
  }
  .btn-ios {
    background: linear-gradient(135deg, #ff9a9e, #fecfef);
    color: #333;
  }
  .btn-android:hover, .btn-ios:hover {
    transform: scale(1.05);
  }

  /* 通用区块 */
  .section {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .section-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .section-title::before {
    content: "";
    display: block;
    width: 6px;
    height: 24px;
    background: var(--pink-accent);
    border-radius: 3px;
  }

  /* 分类快捷入口 */
  .category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  .category-item {
    background: var(--white);
    border-radius: 20px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(255, 143, 177, 0.08);
    transition: transform 0.3s;
  }
  .category-item:hover {
    transform: translateY(-5px);
  }
  .category-item img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 10px;
  }
  .category-item h3 {
    font-size: 14px;
    font-weight: bold;
    color: var(--text-dark);
  }

  /* 横向滑动区 */
  .scroll-row {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding-bottom: 15px;
    scrollbar-width: none;
  }
  .scroll-row::-webkit-scrollbar { display: none; }
  .card-item {
    flex: 0 0 140px;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  }
  .card-item img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
  }
  .card-info {
    padding: 10px;
  }
  .card-info h4 {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .card-info p {
    font-size: 12px;
    color: var(--text-light);
  }

  /* 榜单专区 */
  .rank-list {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(255, 143, 177, 0.1);
  }
  .rank-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--pink-bg);
  }
  .rank-item:last-child { border-bottom: none; }
  .rank-num {
    font-size: 20px;
    font-weight: bold;
    color: var(--pink-accent);
    width: 30px;
    text-align: center;
  }
  .rank-img {
    width: 60px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
  }
  .rank-text h3 { font-size: 16px; margin-bottom: 5px; }
  .rank-text p { font-size: 12px; color: var(--text-light); }

  /* 详情/播放页模拟 */
  .detail-box {
    background: var(--white);
    border-radius: 24px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-top: 20px;
  }
  .detail-img {
    width: 100%;
    max-width: 200px;
    border-radius: 12px;
    margin: 0 auto;
  }
  .detail-text h3 { font-size: 18px; margin-bottom: 10px; }
  .detail-text p { font-size: 14px; color: var(--text-gray); margin-bottom: 10px; }
  .play-btn-mock {
    display: inline-block;
    background: var(--pink-accent);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
  }

  /* 会员/数据/活动卡片 */
  .glass-card {
    background: linear-gradient(135deg, #fff, #fdf0f4);
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 15px 30px rgba(255, 143, 177, 0.15);
    margin-bottom: 20px;
  }
  .glass-card h3 { font-size: 20px; margin-bottom: 10px; }
  .glass-card p { font-size: 14px; color: var(--text-gray); margin-bottom: 20px; }

  /* 社区/创作者 */
  .community-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .community-card {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  }
  .community-card h3 { font-size: 18px; margin-bottom: 10px; }
  .community-card p { font-size: 14px; color: var(--text-gray); }

  /* 页脚 */
  .footer {
    background: var(--pink-bg);
    padding: 40px 20px 20px;
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    border-top-left-radius: 40px;
    border-top-right-radius: 40px;
    margin-top: 40px;
  }
  .footer-search {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
  }
  .footer-search span {
    background: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    color: var(--text-gray);
  }
  .footer-info {
    margin-bottom: 10px;
  }
  .footer-time {
    margin-top: 10px;
    font-size: 11px;
  }
  .footer a {
    color: var(--text-light);
    text-decoration: none;
  }
  .footer a:hover {
    color: var(--text-gray);
  }

  /* 弹窗 */
  .modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }
  .modal-overlay.active { display: flex; }
  .modal-box {
    background: var(--white);
    padding: 24px;
    border-radius: 20px;
    max-width: 90%;
    width: 320px;
    text-align: center;
  }
  .modal-box p {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.5;
  }
  .modal-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 15px;
    text-align: center;
  }
  .modal-btn {
    background: var(--pink-accent);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
  }

  /* 响应式 */
  @media (min-width: 768px) {
    .hero-card {
      flex-direction: row;
      align-items: center;
      padding: 60px;
    }
    .hero-left {
      flex: 1;
      height: 400px;
    }
    .shape-1 { width: 250px; height: 250px; }
    .shape-2 { width: 180px; height: 180px; }
    .shape-3 { width: 120px; height: 120px; }
    .hero-phone { width: 180px; }
    .hero-right {
      flex: 1;
      padding-left: 40px;
    }
    .hero-right h1 { font-size: 48px; }
    .hero-right p { font-size: 18px; }
    .category-grid { grid-template-columns: repeat(4, 1fr); }
    .detail-box {
      flex-direction: row;
      align-items: center;
    }
    .detail-img { margin: 0; width: 250px; }
    .community-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (min-width: 1024px) {
    .nav-logo { font-size: 22px; }
    .nav-logo img { height: 40px; }
    .nav-links { gap: 25px; }
    .nav-links a { font-size: 15px; }
    .hero-right h1 { font-size: 56px; }
    .category-grid { grid-template-columns: repeat(6, 1fr); }
    .scroll-row { gap: 20px; }
    .card-item { flex: 0 0 180px; }
    .footer { padding: 60px 40px 30px; }
    .footer-search { margin-bottom: 30px; }
    .footer-search span { font-size: 13px; padding: 6px 15px; }
    .footer-info { font-size: 13px; }
  }