    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    }
    body {
      background-color: #f7f9fc;
      color: #1e2a3e;
      line-height: 1.5;
      overflow-x: hidden;
    }
    :root {
      --primary: #ff6b9d;
      --primary-dark: #e84a7a;
      --secondary: #6c5ce7;
      --accent: #feca57;
      --dark-bg: #0f1422;
      --card-bg: #ffffff;
      --text-light: #6b7a8f;
      --shadow: 0 12px 28px rgba(0, 0, 0, 0.05), 0 2px 8px rgba(0, 0, 0, 0.02);
      --radius: 24px;
      --radius-sm: 16px;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航栏 */
    .navbar {
      background-color: #ffffff;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
      padding: 16px 0;
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      z-index: 1100;
      position: relative;
    }
    .logo-icon {
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
      width: 42px;
      height: 42px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 24px;
      font-weight: 700;
      box-shadow: 0 8px 16px rgba(255, 107, 157, 0.3);
    }
    .logo-text {
      font-size: 24px;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    /* 桌面导航 */
    .nav-links {
      display: flex;
      gap: 36px;
      align-items: center;
    }
    .nav-links a {
      text-decoration: none;
      color: #2d3a4f;
      font-weight: 600;
      font-size: 16px;
      transition: color 0.2s;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .btn-download {
      background: linear-gradient(135deg, #ff6b9d, #e84a7a);
      color: white !important;
      padding: 10px 24px;
      border-radius: 40px;
      font-weight: 600;
      box-shadow: 0 8px 16px rgba(255, 107, 157, 0.25);
      transition: transform 0.2s, box-shadow 0.2s;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
      text-decoration: none;
    }
    .btn-download:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 24px rgba(255, 107, 157, 0.35);
      color: white;
    }

    /* ===== 手机端汉堡菜单 ===== */
    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      background: rgba(255, 107, 157, 0.1);
      border: none;
      border-radius: 12px;
      cursor: pointer;
      z-index: 1200;
      position: relative;
      transition: background 0.2s;
    }
    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2.5px;
      background: #2d3a4f;
      border-radius: 4px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .menu-toggle.active span:nth-child(1) {
      transform: translateY(7.5px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
      opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
      transform: translateY(-7.5px) rotate(-45deg);
    }

    /* 手机端下拉菜单 —— 纯白背景，无模糊 */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 74px;
      left: 0;
      right: 0;
      background: #ffffff;
      padding: 16px 20px 28px;
      border-radius: 0 0 24px 24px;
      box-shadow: 0 24px 36px -12px rgba(0, 0, 0, 0.15);
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      flex-direction: column;
      gap: 4px;
      z-index: 1500;
      max-height: calc(100vh - 74px);
      overflow-y: auto;
    }
    .mobile-menu.open {
      display: flex;
    }
    .mobile-menu a {
      text-decoration: none;
      color: #2d3a4f;
      font-weight: 600;
      font-size: 17px;
      padding: 14px 12px;
      border-radius: 12px;
      transition: background 0.2s, color 0.2s;
      display: flex;
      align-items: center;
      gap: 10px;
      position: relative;
      z-index: 1600;
      cursor: pointer;
      -webkit-tap-highlight-color: transparent;
      touch-action: manipulation;
    }
    .mobile-menu a:hover,
    .mobile-menu a:active {
      background: rgba(255, 107, 157, 0.1);
      color: var(--primary);
    }
    .mobile-menu .btn-download {
      margin-top: 10px;
      justify-content: center;
      padding: 14px 24px;
      font-size: 17px;
    }

    /* 英雄区域 */
    .hero {
      padding: 70px 0 60px;
      background: radial-gradient(circle at 80% 20%, rgba(108, 92, 231, 0.08), transparent 50%),
                  radial-gradient(circle at 10% 70%, rgba(255, 107, 157, 0.08), transparent 50%);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .hero-title {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 24px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-desc {
      font-size: 18px;
      color: var(--text-light);
      margin-bottom: 32px;
      max-width: 500px;
    }
    .hero-stats {
      display: flex;
      gap: 32px;
      margin-bottom: 40px;
    }
    .stat-item h3 {
      font-size: 32px;
      font-weight: 800;
      color: #1e2a3e;
      margin-bottom: 4px;
    }
    .stat-item p {
      color: var(--text-light);
      font-size: 15px;
    }
    .hero-cta {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
      color: white;
      padding: 16px 36px;
      border-radius: 60px;
      font-weight: 700;
      font-size: 18px;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      box-shadow: 0 20px 30px -10px rgba(255, 107, 157, 0.4);
      transition: all 0.2s;
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 24px 40px -8px rgba(255, 107, 157, 0.5);
    }
    .btn-outline {
      background: white;
      color: #1e2a3e;
      padding: 16px 36px;
      border-radius: 60px;
      font-weight: 600;
      font-size: 18px;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 1px solid rgba(0, 0, 0, 0.08);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.02);
      transition: all 0.2s;
    }
    .btn-outline:hover {
      background: #f0f2f8;
      transform: translateY(-2px);
    }
    .hero-visual {
      background: linear-gradient(145deg, #ffffff, #f5f7fe);
      border-radius: 48px;
      padding: 24px;
      box-shadow: var(--shadow);
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .phone-mockup {
      width: 100%;
      max-width: 320px;
      height: 600px;
      background: #0f1422;
      border-radius: 48px;
      padding: 12px;
      box-shadow: 0 40px 60px -20px rgba(0, 0, 0, 0.4);
      position: relative;
      border: 2px solid rgba(255, 255, 255, 0.2);
    }
    .screen {
      width: 100%;
      height: 100%;
      background: linear-gradient(145deg, #1f2538, #151b2b);
      border-radius: 38px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      padding: 20px 16px;
      color: white;
    }
    .screen-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .screen-header h4 {
      font-size: 18px;
      font-weight: 700;
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .screen-avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
    }
    .anime-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 8px;
    }
    .anime-card {
      background: rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      padding: 10px;
    }
    .anime-poster {
      height: 90px;
      background: linear-gradient(135deg, #2c3a60, #3d4a70);
      border-radius: 12px;
      margin-bottom: 8px;
    }
    .anime-title {
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .anime-tag {
      font-size: 10px;
      color: #ffb8d2;
    }
    /* 通用标题 */
    .section-title {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-title h2 {
      font-size: 40px;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-title p {
      color: var(--text-light);
      font-size: 18px;
    }
    /* 功能卡片 */
    .features {
      padding: 80px 0;
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .feature-card {
      background: white;
      border-radius: var(--radius);
      padding: 36px 28px;
      box-shadow: var(--shadow);
      transition: transform 0.25s, box-shadow 0.25s;
      border: 1px solid rgba(0, 0, 0, 0.02);
    }
    .feature-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 30px 50px -12px rgba(108, 92, 231, 0.2);
    }
    .feature-icon {
      width: 64px;
      height: 64px;
      border-radius: 20px;
      background: rgba(255, 107, 157, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
      margin-bottom: 28px;
      color: #ff6b9d;
    }
    .feature-card h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .feature-card p {
      color: var(--text-light);
      font-size: 16px;
    }
    /* 截图区域 —— 使用真实图片 */
    .screenshots {
      padding: 80px 0;
      background: linear-gradient(180deg, #ffffff, #f7f9fc);
    }
    .screenshot-grid {
      display: flex;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
      margin-top: 20px;
    }
    .screenshot-item {
      width: 220px;
      background: #ffffff;
      border-radius: 32px;
      box-shadow: 0 24px 40px -12px rgba(0, 0, 0, 0.15);
      padding: 12px;
      transition: transform 0.25s, box-shadow 0.25s;
      border: 1px solid rgba(0, 0, 0, 0.02);
    }
    .screenshot-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 32px 48px -12px rgba(108, 92, 231, 0.25);
    }
    .screenshot-screen {
      background: #151b2b;
      border-radius: 24px;
      aspect-ratio: 9 / 19;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .screenshot-screen img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .screenshot-caption {
      text-align: center;
      margin-top: 16px;
      font-size: 15px;
      font-weight: 600;
      color: #2d3a4f;
    }
    /* 内容库 */
    .library {
      padding: 60px 0;
      background: linear-gradient(180deg, #f7f9fc, #eef2f9);
    }
    .library-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 20px;
    }
    .lib-item {
      background: white;
      border-radius: var(--radius-sm);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow);
      transition: all 0.2s;
    }
    .lib-item:hover {
      background: #ffffff;
      transform: translateY(-4px);
    }
    .lib-cover {
      width: 100%;
      aspect-ratio: 3/4;
      background: linear-gradient(145deg, #d9e2f0, #cbd5e6);
      border-radius: 12px;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #6c5ce7;
      font-size: 28px;
      font-weight: 700;
      opacity: 0.9;
    }
    .lib-item h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .lib-item p {
      font-size: 14px;
      color: var(--text-light);
    }
    /* 评价 */
    .testimonials {
      padding: 80px 0;
    }
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 24px;
    }
    .testimonial-card {
      background: white;
      border-radius: var(--radius);
      padding: 32px 28px;
      box-shadow: var(--shadow);
      border: 1px solid #f0f2f8;
    }
    .testimonial-text {
      font-size: 16px;
      color: #2d3a4f;
      margin-bottom: 24px;
      font-style: italic;
    }
    .user {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .user-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 20px;
    }
    .user-info h4 {
      font-weight: 700;
      font-size: 16px;
    }
    .user-info p {
      color: var(--text-light);
      font-size: 14px;
    }
    /* 下载区 */
    .download-section {
      padding: 60px 0 80px;
      background: linear-gradient(135deg, #0f1422, #1f2538);
      color: white;
      border-radius: 60px 60px 0 0;
      margin-top: 40px;
    }
    .download-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }
    .download-text h2 {
      font-size: 42px;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .download-text p {
      font-size: 18px;
      opacity: 0.8;
      margin-bottom: 32px;
      max-width: 500px;
    }
    .download-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-dark {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: white;
      padding: 14px 30px;
      border-radius: 60px;
      font-weight: 600;
      font-size: 17px;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: background 0.2s, transform 0.2s;
    }
    .btn-dark:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
    }
    .btn-dark i {
      font-size: 24px;
    }
    .qr-placeholder {
      width: 180px;
      height: 180px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 32px;
      border: 2px dashed rgba(255, 255, 255, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      text-align: center;
      padding: 20px;
      flex-shrink: 0;
    }
    /* 页脚 */
    .footer {
      background: #0a0e18;
      color: #8a98b0;
      padding: 48px 0 32px;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 14px;
    }
    .footer-bottom a {
      color: #8a98b0;
      text-decoration: none;
      margin-left: 24px;
      transition: color 0.2s;
    }
    .footer-bottom a:hover {
      color: #ff6b9d;
    }
    /* 响应式 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
      }
      .hero-desc {
        margin-left: auto;
        margin-right: auto;
      }
      .hero-stats {
        justify-content: center;
      }
      .hero-cta {
        justify-content: center;
      }
      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .library-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .download-content {
        flex-direction: column;
        text-align: center;
      }
      .download-text p {
        margin-left: auto;
        margin-right: auto;
      }
      .download-buttons {
        justify-content: center;
      }
      .screenshot-grid {
        gap: 18px;
      }
      .screenshot-item {
        width: 200px;
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .hero-title {
        font-size: 38px;
      }
      .features-grid {
        grid-template-columns: 1fr;
      }
      .library-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
      .footer-bottom a {
        margin: 0 12px;
      }
      .section-title h2 {
        font-size: 30px;
      }
      .download-text h2 {
        font-size: 32px;
      }
      .screenshot-grid {
        flex-direction: column;
        align-items: center;
      }
      .screenshot-item {
        width: 100%;
        max-width: 260px;
      }
      .qr-placeholder {
        width: 150px;
        height: 150px;
      }
      .logo-text {
        font-size: 20px;
      }
      .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 20px;
      }
    }
    @media (max-width: 420px) {
      .logo-text {
        font-size: 17px;
      }
      .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 17px;
      }
    }
    .text-gradient {
      background: linear-gradient(135deg, #ff6b9d, #6c5ce7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .badge {
      display: inline-block;
      background: rgba(255, 107, 157, 0.12);
      color: #ff6b9d;
      padding: 6px 16px;
      border-radius: 40px;
      font-weight: 600;
      font-size: 14px;
      margin-bottom: 16px;
    }
    .logo-img {
  width: 42px;
  height: 42px;
  border-radius: 12px;   /* 圆角，可去掉 */
  object-fit: contain;
  display: block;
}