:root {
      --primary-color: #7928ca;
      --primary-hover: #631bb5;
      --primary-light: #f5edff;
      --primary-glow: rgba(121, 40, 202, 0.15);
      --secondary-color: #9333ea;
      --accent-color: #a855f7;
      --accent-cyan: #4f46e5;
      --bg-main: #fbf9fe;
      --bg-card: #ffffff;
      --bg-alt: #f3e8ff;
      --text-main: #1f1b2e;
      --text-muted: #5c5570;
      --text-light: #8e85a6;
      --border-color: #e9defa;
      --border-focus: #c084fc;
      --shadow-sm: 0 2px 8px rgba(121, 40, 202, 0.06);
      --shadow-md: 0 8px 24px rgba(121, 40, 202, 0.08);
      --shadow-lg: 0 16px 36px rgba(121, 40, 202, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(168, 85, 247, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 40%, rgba(121, 40, 202, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 30% 80%, rgba(99, 102, 241, 0.04) 0%, transparent 45%);
      background-attachment: fixed;
      overflow-x: hidden;
    }

    a {
      color: var(--primary-color);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary-hover);
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(121, 40, 202, 0.04);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      text-decoration: none;
    }
    .brand-logo img {
      height: 38px;
      width: auto;
      display: block;
    }
    .brand-text {
      background: linear-gradient(135deg, #7928ca 0%, #4f46e5 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      font-weight: 800;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: var(--transition);
      white-space: nowrap;
    }
    .nav-links li a:hover {
      color: var(--primary-color);
      background-color: var(--primary-light);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-decoration: none;
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #7928ca 0%, #9333ea 50%, #4f46e5 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(121, 40, 202, 0.3);
    }
    .btn-primary:hover {
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(121, 40, 202, 0.45);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary-color);
      border-color: var(--border-color);
    }
    .btn-outline:hover {
      background: var(--primary-light);
      border-color: var(--primary-color);
      transform: translateY(-2px);
    }

    .btn-hero-glow {
      background: linear-gradient(135deg, #8b5cf6 0%, #7928ca 100%);
      color: #ffffff !important;
      font-size: 1.05rem;
      padding: 14px 34px;
      box-shadow: 0 8px 25px rgba(121, 40, 202, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
    }
    .btn-hero-glow:hover {
      box-shadow: 0 12px 32px rgba(121, 40, 202, 0.55);
      transform: translateY(-3px) scale(1.02);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* 首屏 Hero 区（完全禁止图片，采用科技渐变与数据卡片） */
    .hero-section {
      padding: 60px 0 50px 0;
      position: relative;
      text-align: center;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: var(--radius-full);
      background: linear-gradient(90deg, #f5edff 0%, #ede9fe 100%);
      border: 1px solid var(--border-color);
      color: var(--primary-color);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-title-gradient {
      background: linear-gradient(135deg, #7928ca 0%, #a855f7 45%, #4f46e5 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px 18px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .stat-card::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, #7928ca, #a855f7);
      opacity: 0;
      transition: var(--transition);
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-focus);
    }
    .stat-card:hover::after {
      opacity: 1;
    }

    .stat-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.2;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 模块通用标题与外层 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-color);
      background: var(--primary-light);
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      border: 1px solid var(--border-color);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 模型矩阵与平台能力标签 */
    .model-matrix-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }
    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 20px;
    }
    .model-tag-item {
      background: #faf5ff;
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .model-tag-item::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #9333ea;
    }
    .model-tag-item:hover {
      background: var(--primary-light);
      border-color: var(--primary-color);
      color: var(--primary-color);
      transform: scale(1.05);
    }

    /* 网格布局 */
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    /* 服务卡片 */
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 22px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-focus);
    }
    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, #f3e8ff 0%, #ede9fe 100%);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.25rem;
      margin-bottom: 18px;
      border: 1px solid var(--border-color);
    }
    .service-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .service-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .service-tag {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: var(--primary-light);
      color: var(--primary-color);
      border-radius: var(--radius-sm);
      font-weight: 500;
    }

    /* 选项卡组件 (行业方案) */
    .solution-tabs-nav {
      display: flex;
      justify-content: center;
      gap: 10px;
      margin-bottom: 30px;
      flex-wrap: wrap;
    }
    .tab-btn {
      padding: 10px 20px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      transition: var(--transition);
    }
    .tab-btn.active, .tab-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
      box-shadow: 0 4px 12px rgba(121, 40, 202, 0.25);
    }
    .tab-pane {
      display: none;
    }
    .tab-pane.active {
      display: block;
      animation: fadeIn 0.4s ease-out;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(8px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .solution-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .solution-content h3 {
      font-size: 1.45rem;
      color: var(--text-main);
      margin-bottom: 14px;
      font-weight: 800;
    }
    .solution-content p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }
    .solution-checklist {
      list-style: none;
      margin-bottom: 24px;
    }
    .solution-checklist li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 10px;
      font-size: 0.92rem;
      color: var(--text-main);
    }
    .solution-checklist li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--primary-color);
      font-weight: 800;
    }
    .solution-visual-card {
      background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
      border: 1px dashed var(--border-focus);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .solution-feature-pill {
      background: #ffffff;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--text-main);
      font-weight: 600;
    }

    /* 对比评测卡片与表格 */
    .evaluation-header-card {
      background: linear-gradient(135deg, #ffffff 0%, #fbf8ff 100%);
      border: 2px solid var(--border-focus);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-lg);
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .eval-score-box {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .score-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1;
    }
    .score-info {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .score-stars {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }
    .score-text {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .eval-badges {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .eval-badge {
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      color: var(--primary-color);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 600;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }
    .compare-table th {
      background: #faf5ff;
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-col {
      background: #fdfaff;
      font-weight: 700;
      color: var(--primary-color);
      border-left: 1px solid var(--border-color);
      border-right: 1px solid var(--border-color);
    }
    .text-center {
      text-align: center;
    }

    /* 标准流程时间线 */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }
    .step-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-focus);
    }
    .step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-color);
      color: #ffffff;
      font-weight: 800;
      font-size: 1rem;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例中心素材展示 */
    .media-gallery-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-bottom: 24px;
    }
    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .media-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .media-img-wrap {
      width: 100%;
      position: relative;
      background: #f3e8ff;
      overflow: hidden;
    }
    .media-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s ease;
    }
    .media-card:hover .media-img-wrap img {
      transform: scale(1.03);
    }
    .media-caption {
      padding: 16px;
      background: #ffffff;
    }
    .media-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .media-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .banner-stream {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    /* 用户评论 */
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-focus);
    }
    .testimonial-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 0.9rem;
    }
    .testimonial-body {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: normal;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f3e8ff;
      padding-top: 14px;
    }
    .user-avatar-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #a855f7 0%, #7928ca 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }
    .user-meta-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-meta-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item.active {
      border-color: var(--border-focus);
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .faq-question:hover {
      color: var(--primary-color);
    }
    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #faf8fe;
    }
    .faq-item.active .faq-answer {
      padding: 16px 24px 22px 24px;
      max-height: 300px;
    }
    .faq-answer p {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 行业资讯与动态 */
    .article-stream-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .article-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid var(--border-color);
    }
    .article-link-chip {
      background: #faf5ff;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-md);
      font-size: 0.88rem;
      color: var(--text-main);
      font-weight: 600;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-link-chip:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
    }

    /* 表单与联系模块 */
    .contact-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
    }
    .contact-info-panel {
      background: linear-gradient(135deg, #2b1055 0%, #1f1b2e 100%);
      color: #ffffff;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .contact-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }
    .contact-info-panel p {
      font-size: 0.95rem;
      color: #e9defa;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .contact-details-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 30px;
    }
    .contact-details-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.92rem;
      color: #ffffff;
    }
    .contact-details-list strong {
      color: #c084fc;
      min-width: 70px;
    }
    .qr-badge-box {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 16px;
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .qr-badge-box img {
      width: 76px;
      height: 76px;
      border-radius: var(--radius-sm);
      background: #ffffff;
      padding: 4px;
    }
    .qr-text {
      font-size: 0.85rem;
      color: #f3e8ff;
      line-height: 1.5;
    }

    .contact-form-panel {
      padding: 40px;
    }
    .contact-form-panel h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .contact-form-panel p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #faf8fe;
      color: var(--text-main);
      transition: var(--transition);
      outline: none;
    }
    .form-control:focus {
      border-color: var(--primary-color);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.12);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 加盟代理模块 */
    .agency-banner-box {
      background: linear-gradient(135deg, #f5edff 0%, #ede9fe 100%);
      border: 2px dashed var(--border-focus);
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .agency-banner-box h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .agency-banner-box p {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto 28px auto;
      line-height: 1.7;
    }
    .agency-perks-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 30px;
    }
    .perk-pill {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px 12px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary-color);
      box-shadow: var(--shadow-sm);
    }

    /* 底部通用规范与友情链接 */
    .site-footer {
      background: #191426;
      color: #d1c9e4;
      padding: 60px 0 30px 0;
      border-top: 1px solid #2f2546;
      margin-top: 40px;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-col p {
      font-size: 0.88rem;
      color: #aba1c4;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links-list li a {
      color: #aba1c4;
      font-size: 0.88rem;
    }
    .footer-links-list li a:hover {
      color: #c084fc;
      padding-left: 4px;
    }
    .friend-links-box {
      border-top: 1px solid #2f2546;
      padding-top: 24px;
      margin-bottom: 30px;
    }
    .friend-links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }
    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }
    .friend-links-wrap a {
      font-size: 0.85rem;
      color: #aba1c4;
      background: #241c38;
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      border: 1px solid #362c50;
    }
    .friend-links-wrap a:hover {
      color: #ffffff;
      background: #7928ca;
      border-color: #7928ca;
    }
    .footer-bottom {
      border-top: 1px solid #2f2546;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: #8c82a5;
    }
    .footer-bottom a {
      color: #c084fc;
    }

    /* 浮动客服与返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7928ca 0%, #9333ea 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(121, 40, 202, 0.4);
      cursor: pointer;
      border: 1px solid rgba(255, 255, 255, 0.3);
      transition: var(--transition);
      font-size: 1.1rem;
      text-decoration: none;
    }
    .float-btn:hover {
      transform: scale(1.1);
      color: #ffffff;
    }
    .float-qr-modal {
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 200px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-lg);
      text-align: center;
      display: none;
      color: var(--text-main);
    }
    .float-qr-modal img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      margin-bottom: 8px;
    }
    .float-btn-kefu:hover + .float-qr-modal, .float-qr-modal:hover {
      display: block;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .timeline-steps { grid-template-columns: repeat(2, 1fr); }
      .banner-stream { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
      .contact-card-box { grid-template-columns: 1fr; }
      .solution-box { grid-template-columns: 1fr; gap: 24px; }
      .agency-perks-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @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;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { padding: 12px 16px; }
      .hero-title { font-size: 1.85rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
      .grid-3 { grid-template-columns: 1fr; }
      .grid-2 { grid-template-columns: 1fr; }
      .grid-4 { grid-template-columns: 1fr; }
      .timeline-steps { grid-template-columns: 1fr; }
      .media-gallery-grid { grid-template-columns: 1fr; }
      .banner-stream { grid-template-columns: 1fr; }
      .evaluation-header-card { flex-direction: column; text-align: center; }
      .eval-score-box { flex-direction: column; gap: 10px; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .agency-perks-grid { grid-template-columns: 1fr; }
      .contact-info-panel, .contact-form-panel { padding: 24px; }
    }