:root {
      --primary-purple: #7026ed;
      --primary-glow: #8e44ff;
      --accent-magenta: #cf2aff;
      --soft-purple-bg: #f8f5ff;
      --card-bg: #ffffff;
      --border-purple: #e8dcfc;
      --text-dark: #1f1a2e;
      --text-body: #4c4661;
      --text-muted: #7f7899;
      --shadow-sm: 0 4px 14px rgba(112, 38, 237, 0.08);
      --shadow-lg: 0 16px 36px rgba(112, 38, 237, 0.14);
      --max-width: 1200px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: #fbf9fe;
      background-image: radial-gradient(circle at 10% 10%, rgba(207, 42, 255, 0.04) 0%, transparent 40%),
                        radial-gradient(circle at 90% 90%, rgba(112, 38, 237, 0.05) 0%, transparent 45%);
      color: var(--text-body);
      line-height: 1.65;
      font-size: 15px;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-purple);
      box-shadow: 0 2px 10px rgba(112, 38, 237, 0.04);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-wrap {
      max-height: 44px;
      width: auto;
      display: flex;
      align-items: center;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-dark);
      transition: all 0.25s ease;
      border-radius: 6px;
    }
    .nav-links li a:hover {
      color: var(--primary-purple);
      background-color: var(--soft-purple-bg);
    }
    .nav-cta-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary-purple) 0%, var(--accent-magenta) 100%);
      box-shadow: 0 4px 16px rgba(142, 68, 255, 0.3);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      cursor: pointer;
      border: none;
    }
    .btn-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(142, 68, 255, 0.45);
      color: #ffffff;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-purple);
      background: #ffffff;
      border: 1px solid var(--border-purple);
      transition: all 0.25s ease;
      cursor: pointer;
    }
    .btn-outline:hover {
      background: var(--soft-purple-bg);
      border-color: var(--primary-purple);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-dark);
      cursor: pointer;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-purple);
      background: linear-gradient(180deg, #ffffff 0%, var(--soft-purple-bg) 100%);
    }
    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background: #efe7ff;
      border: 1px solid #dfcdfd;
      border-radius: 50px;
      color: var(--primary-purple);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 40px;
      line-height: 1.3;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-subtitle {
      font-size: 17px;
      color: var(--text-body);
      max-width: 760px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      text-align: left;
    }
    .stat-card {
      background: #ffffff;
      padding: 20px 24px;
      border-radius: 12px;
      border: 1px solid var(--border-purple);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }
    .stat-card:hover {
      transform: translateY(-4px);
    }
    .stat-number {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-purple);
      margin-bottom: 4px;
      display: block;
    }
    .stat-label {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 通用区块排版 */
    .section-wrap {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-purple);
    }
    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }
    .section-subtitle {
      color: var(--primary-purple);
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }
    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .section-desc {
      color: var(--text-body);
      font-size: 15px;
    }

    /* 平台矩阵与模型支持 */
    .models-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }
    .model-tag {
      padding: 8px 16px;
      background: #ffffff;
      border: 1px solid var(--border-purple);
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-dark);
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }
    .model-tag:hover {
      background: var(--soft-purple-bg);
      border-color: var(--primary-purple);
      color: var(--primary-purple);
    }

    /* 卡片网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-purple);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #d1b7fa;
    }
    .card-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: linear-gradient(135deg, #f0e6ff 0%, #f9eaff 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-purple);
      font-weight: bold;
      font-size: 18px;
      margin-bottom: 16px;
    }
    .card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .card-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 视觉素材区 */
    .media-card-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      align-items: stretch;
    }
    .media-card {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border-purple);
      box-shadow: var(--shadow-sm);
      background: #ffffff;
    }
    .media-card-body {
      padding: 16px;
    }

    /* 标准制作流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-purple);
      padding: 24px;
      border-radius: 12px;
      position: relative;
    }
    .step-badge {
      display: inline-block;
      width: 28px;
      height: 28px;
      line-height: 28px;
      text-align: center;
      background: var(--primary-purple);
      color: #fff;
      font-weight: 700;
      border-radius: 50%;
      margin-bottom: 14px;
      font-size: 13px;
    }

    /* 对比评测板块 */
    .eval-highlight {
      background: linear-gradient(135deg, #7026ed 0%, #b823e6 100%);
      color: #ffffff;
      padding: 28px;
      border-radius: 14px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-lg);
    }
    .eval-highlight-left h3 {
      font-size: 22px;
      margin-bottom: 6px;
      color: #ffffff;
    }
    .eval-score-badge {
      text-align: right;
    }
    .score-big {
      font-size: 42px;
      font-weight: 800;
      line-height: 1;
    }
    .score-stars {
      color: #ffd13b;
      font-size: 20px;
      margin-top: 4px;
    }
    .table-container {
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-purple);
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
    }
    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }
    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-purple);
      font-size: 14px;
    }
    .eval-table th {
      background: var(--soft-purple-bg);
      color: var(--text-dark);
      font-weight: 700;
    }
    .eval-table tr:last-child td {
      border-bottom: none;
    }
    .eval-table .tag-win {
      color: var(--primary-purple);
      font-weight: 700;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-purple);
      border-radius: 10px;
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      padding: 18px 20px;
      text-align: left;
      background: none;
      border: none;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 评论区 */
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-purple);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .review-avatar {
      width: 44px;
      height: 44px;
      background: #f1e9ff;
      color: var(--primary-purple);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .review-meta h4 {
      font-size: 15px;
      color: var(--text-dark);
    }
    .review-meta span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 表单与服务接入 */
    .form-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-purple);
      border-radius: 14px;
      padding: 36px;
      box-shadow: var(--shadow-sm);
      max-width: 680px;
      margin: 0 auto;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-purple);
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-dark);
      outline: none;
      transition: border-color 0.2s ease;
    }
    .form-control:focus {
      border-color: var(--primary-purple);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 宣传图展示条 */
    .banner-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 30px;
    }
    .banner-strip img {
      border-radius: 10px;
      border: 1px solid var(--border-purple);
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    /* 文章列表与友情链接 */
    .article-links, .friendly-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }
    .article-links a, .friendly-links a {
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid var(--border-purple);
      border-radius: 6px;
      font-size: 13px;
      color: var(--text-body);
      transition: all 0.2s ease;
    }
    .article-links a:hover, .friendly-links a:hover {
      border-color: var(--primary-purple);
      color: var(--primary-purple);
    }

    /* 页脚 */
    .site-footer {
      background: #171322;
      color: #c5bfe0;
      padding: 50px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 40px;
    }
    .footer-title {
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-list {
      list-style: none;
    }
    .footer-list li {
      margin-bottom: 8px;
      font-size: 13px;
    }
    .footer-list li a {
      color: #c5bfe0;
      transition: color 0.2s ease;
    }
    .footer-list li a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #29233b;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #8c83a8;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 浮动客服 */
    .floating-service {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-purple) 0%, var(--accent-magenta) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(112, 38, 237, 0.4);
      cursor: pointer;
      border: none;
      position: relative;
    }
    .qr-popover {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: 10px;
      border: 1px solid var(--border-purple);
      box-shadow: var(--shadow-lg);
      width: 160px;
      text-align: center;
    }
    .qr-popover img {
      width: 132px;
      height: 132px;
      margin-bottom: 6px;
    }
    .floating-btn:hover .qr-popover {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .process-steps { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .media-card-grid { grid-template-columns: 1fr; }
      .banner-strip { grid-template-columns: 1fr; height: auto; }
      .banner-strip img { height: 160px; }
    }
    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-purple);
        box-shadow: var(--shadow-lg);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { display: block; padding: 10px 0; }
      .hero-title { font-size: 28px; }
      .grid-2, .grid-3, .grid-4, .hero-stats-grid, .process-steps { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .eval-highlight { flex-direction: column; text-align: center; gap: 16px; }
      .eval-score-badge { text-align: center; }
      .footer-bottom { justify-content: center; }
    }