:root {
    --brand-purple: #7C4DFF;
    --bg-light: #F7F8FA;
    --bg-white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-gray: #666666;
    --rainbow: linear-gradient(135deg, #FF4B4B, #FF9D00, #FFD600, #00D26A, #00B8D9, #7C4DFF);
    --card-radius: 16px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 12px 24px rgba(124, 77, 255, 0.15);
    --transition: all 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-light);
    color: var(--text-dark);
    line-height: 1.5;
    overflow-x: hidden;
  }

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

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

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* 通用样式 */
  .tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
  }
  .tag-exclusive { background: var(--rainbow); }
  .tag-free { background: #00D26A; }
  .tag-hot { background: #FF4B4B; }
  .pill {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-light);
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-gray);
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--rainbow);
    color: #fff;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(124, 77, 255, 0.3);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 77, 255, 0.5);
  }
  .section-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
  }
  .section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--rainbow);
  }

  /* 1. 导航 */
  header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: bold;
    background: var(--rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .logo img {
    height: 32px;
    width: auto;
  }
  .nav-links {
    display: flex;
    gap: 24px;
    font-size: 15px;
    font-weight: 500;
  }
  .nav-links a:hover {
    color: var(--brand-purple);
  }
  .nav-search {
    display: flex;
    align-items: center;
    background: var(--bg-light);
    padding: 6px 16px;
    border-radius: 20px;
    width: 200px;
  }
  .nav-search input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    font-size: 13px;
    margin-left: 6px;
  }
  .nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
  }

  /* 2. Hero */
  .hero {
    position: relative;
    padding: 80px 0;
    background: radial-gradient(circle at top right, rgba(124,77,255,0.1), transparent 40%),
                radial-gradient(circle at bottom left, rgba(255,75,75,0.1), transparent 40%);
    overflow: hidden;
  }
  .hero-inner {
    display: flex;
    align-items: center;
    gap: 40px;
  }
  .hero-text {
    flex: 1;
  }
  .hero-text h1 {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    color: #222;
  }
  .hero-text h1 span {
    background: var(--rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .hero-sub {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 24px;
  }
  .hero-badges {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
  }
  .hero-badges .btn-primary {
    padding: 10px 20px;
    font-size: 14px;
    background: #fff;
    color: var(--text-dark);
    border: 1px solid #eee;
    box-shadow: var(--shadow);
  }
  .hero-badges .btn-primary:hover {
    border-color: var(--brand-purple);
    color: var(--brand-purple);
  }
  .qr-card {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
  }
  .qr-card img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
  }
  .qr-text {
    font-size: 14px;
    color: var(--text-gray);
  }
  .trust-text {
    font-size: 12px;
    color: #999;
    margin-bottom: 30px;
  }
  .data-bar {
    display: flex;
    gap: 24px;
    font-size: 15px;
    font-weight: bold;
  }
  .hero-visuals {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .phone-mockup {
    position: absolute;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    border: 6px solid #222;
    background: #000;
  }
  .phone-mockup img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .phone-1 { width: 220px; height: 380px; transform: translate(-40px, 20px) rotate(-5deg); z-index: 1; }
  .phone-2 { width: 240px; height: 420px; transform: translate(40px, -20px) rotate(5deg); z-index: 2; }
  .phone-3 { width: 200px; height: 340px; transform: translate(0, 60px); z-index: 0; opacity: 0.8; }
  .float-bubble {
    position: absolute;
    top: 10%;
    right: 0;
    background: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    color: #FF4B4B;
    box-shadow: var(--shadow);
    animation: float 3s ease-in-out infinite;
    z-index: 3;
  }
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }

  /* 3. 热播推荐 */
  .section-hot {
    padding: 64px 0;
    background: var(--bg-white);
  }
  .scroll-container {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 20px;
    scrollbar-width: none;
  }
  .scroll-container::-webkit-scrollbar { display: none; }
  .poster-card {
    flex: 0 0 180px;
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
  }
  .poster-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
  }
  .poster-img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    transition: transform 0.3s;
  }
  .poster-card:hover .poster-img {
    transform: scale(1.05);
  }
  .poster-tag {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 2;
  }
  .poster-info {
    padding: 12px;
  }
  .poster-title {
    font-size: 15px;
    font-weight: bold;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .poster-meta {
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 8px;
  }
  .poster-tags {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
    flex-wrap: wrap;
  }
  .poster-heat {
    font-size: 12px;
    color: #FF4B4B;
    font-weight: bold;
  }

  /* 4. 排行榜 */
  .section-rank {
    padding: 64px 0;
  }
  .rank-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .rank-col {
    background: #fff;
    border-radius: var(--card-radius);
    padding: 20px;
    box-shadow: var(--shadow);
  }
  .rank-col h3 {
    font-size: 18px;
    margin-bottom: 16px;
    text-align: center;
  }
  .rank-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
  }
  .rank-item:last-child { border-bottom: none; }
  .rank-num {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    color: #fff;
    background: #ccc;
  }
  .rank-num.r1 { background: #FFB300; }
  .rank-num.r2 { background: #B0BEC5; }
  .rank-num.r3 { background: #CD7F32; }
  .rank-img {
    width: 40px;
    height: 53px;
    border-radius: 4px;
    object-fit: cover;
  }
  .rank-info {
    flex: 1;
  }
  .rank-name {
    font-size: 14px;
    font-weight: bold;
  }
  .rank-tag {
    font-size: 12px;
    color: var(--text-gray);
  }
  .rank-heat {
    font-size: 12px;
    color: #FF4B4B;
  }
  .rank-top1 {
    background: linear-gradient(135deg, rgba(255,179,0,0.1), rgba(255,255,255,0));
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 12px;
  }
  .rank-top1 .rank-img {
    width: 60px;
    height: 80px;
  }
  .rank-hook {
    font-size: 12px;
    color: var(--text-gray);
    margin-top: 4px;
    line-height: 1.4;
  }

  /* 5. 题材分类 */
  .section-category {
    padding: 64px 0;
    background: var(--bg-white);
  }
  .category-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
  }
  .category-card {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    border: 1px solid #eee;
    transition: var(--transition);
    cursor: pointer;
  }
  .category-card:hover {
    border-color: transparent;
    background: linear-gradient(#fff, #fff) padding-box,
                var(--rainbow) border-box;
    border: 1px solid transparent;
  }
  .cat-icon {
    font-size: 24px;
    margin-bottom: 8px;
    display: inline-block;
    background: var(--rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .cat-name {
    font-size: 14px;
    font-weight: 500;
  }

  /* 6. 独家剧场 */
  .section-exclusive {
    padding: 64px 0;
  }
  .banner-exclusive {
    background: linear-gradient(#fff, #fff) padding-box,
                var(--rainbow) border-box;
    border: 2px solid transparent;
    border-radius: var(--card-radius);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-weight: bold;
    font-size: 18px;
  }
  .banner-exclusive .b-text {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .banner-exclusive .b-text span {
    background: var(--rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  /* 7. 新上线/免费 */
  .section-new {
    padding: 64px 0;
    background: var(--bg-white);
  }
  .tabs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
  }
  .tab-btns {
    display: flex;
    gap: 12px;
    background: var(--bg-light);
    padding: 4px;
    border-radius: 20px;
  }
  .tab-btn {
    padding: 6px 16px;
    border-radius: 16px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
  }
  .tab-btn.active {
    background: #fff;
    color: var(--brand-purple);
    box-shadow: var(--shadow);
  }

  /* 8. 功能亮点 */
  .section-features {
    padding: 64px 0;
  }
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .feature-card {
    background: #fff;
    border-radius: var(--card-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
  }
  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }
  .feature-icon {
    font-size: 32px;
    margin-bottom: 12px;
  }
  .feature-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
  }
  .feature-desc {
    font-size: 13px;
    color: var(--text-gray);
  }

  /* 9. 用户口碑 */
  .section-reviews {
    padding: 64px 0;
    background: var(--bg-white);
  }
  .review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .review-card {
    background: var(--bg-light);
    border-radius: var(--card-radius);
    padding: 24px;
  }
  .review-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }
  .avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--rainbow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
  }
  .user-info h4 {
    font-size: 15px;
  }
  .stars {
    color: #FFB300;
    font-size: 12px;
  }
  .review-text {
    font-size: 14px;
    color: #333;
    line-height: 1.6;
  }

  /* 10. 底部下载转化 */
  .section-download {
    padding: 80px 0;
    background: var(--rainbow);
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .download-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
  }
  .download-text h2 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 16px;
  }
  .download-text p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
  }
  .download-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .download-btns .btn-white {
    background: #fff;
    color: var(--brand-purple);
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 16px;
    transition: var(--transition);
  }
  .download-btns .btn-white:hover {
    transform: scale(1.05);
  }
  .download-qr {
    background: #fff;
    padding: 24px;
    border-radius: var(--card-radius);
    text-align: center;
    color: var(--text-dark);
  }
  .download-qr img {
    width: 160px;
    height: 160px;
    margin: 0 auto 12px;
    border-radius: 8px;
  }

  /* 移动端悬浮下载条 */
  .mobile-download-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--rainbow);
    color: #fff;
    padding: 12px 20px;
    justify-content: space-between;
    align-items: center;
    z-index: 999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  }
  .mobile-download-bar span {
    font-weight: bold;
    font-size: 15px;
  }
  .mobile-download-bar .btn-sm {
    background: #fff;
    color: var(--brand-purple);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
  }
  .close-bar {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    padding: 0 8px;
  }

  /* 11. 页脚 */
  footer {
    background: #222;
    color: #aaa;
    padding: 48px 0 24px;
    font-size: 13px;
  }
  .footer-links {
    display: flex;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 24px;
  }
  .footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 16px;
  }
  .footer-col a {
    display: block;
    margin-bottom: 8px;
    color: #aaa;
    transition: var(--transition);
  }
  .footer-col a:hover {
    color: #fff;
  }
  .footer-bottom {
    border-top: 1px solid #333;
    padding-top: 24px;
    text-align: center;
    color: #777;
    line-height: 1.8;
  }
  .footer-bottom a {
    color: #777;
  }
  .footer-bottom a:hover {
    color: #fff;
  }

  /* 响应式 */
  @media (max-width: 1024px) {
    .hero-text h1 { font-size: 36px; }
    .nav-links, .nav-search { display: none; }
    .menu-toggle { display: block; }
    .nav-links.active {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 64px;
      left: 0;
      width: 100%;
      background: #fff;
      padding: 20px;
      box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .category-grid { grid-template-columns: repeat(4, 1fr); }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .rank-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 768px) {
    .hero-inner { flex-direction: column; text-align: center; }
    .hero-badges, .data-bar { justify-content: center; }
    .hero-visuals { height: 400px; margin-top: 40px; }
    .phone-1 { width: 160px; height: 280px; transform: translate(-30px, 10px) rotate(-5deg); }
    .phone-2 { width: 180px; height: 320px; transform: translate(30px, -10px) rotate(5deg); }
    .phone-3 { display: none; }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .review-grid { grid-template-columns: 1fr; }
    .download-inner { flex-direction: column; text-align: center; gap: 40px; }
    .download-qr { margin: 0 auto; }
    .poster-card { flex: 0 0 140px; }
    .mobile-download-bar { display: flex; }
    .footer-links { flex-direction: column; }
  }