:root {
      --primary: #ff4d00;
      --primary-hover: #e04400;
      --secondary: #0052ff;
      --accent: #ffd200;
      --dark: #121826;
      --text: #1f2937;
      --text-light: #4b5563;
      --bg: #f9fbfd;
      --card-bg: #ffffff;
      --border: #e2e8f0;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 20px 35px -10px rgba(0, 82, 255, 0.12);
      --radius: 12px;
      --transition: all 0.28s ease;
    }
    * {
      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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
      min-width: 320px;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .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, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid #edf2f7;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-area .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }
    .brand-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.5px;
    }
    .brand-title span {
      color: var(--primary);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      font-size: 14px;
      font-weight: 600;
      color: var(--dark);
      padding: 8px 10px;
      border-radius: 6px;
      display: inline-block;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: rgba(255, 77, 0, 0.06);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      padding: 10px 20px;
      border-radius: 8px;
      cursor: pointer;
      border: 2px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 77, 0, 0.3);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
    }
    .btn-secondary {
      background-color: var(--secondary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(0, 82, 255, 0.3);
    }
    .btn-secondary:hover {
      background-color: #0045d8;
      transform: translateY(-2px);
    }
    .btn-outline {
      border-color: var(--dark);
      color: var(--dark);
      background: transparent;
    }
    .btn-outline:hover {
      background: var(--dark);
      color: #ffffff;
    }
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--dark);
    }

    /* 首屏 Hero 区域（严禁图片） */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(255, 210, 0, 0.15) 0%, rgba(249, 251, 253, 0) 50%),
                  radial-gradient(circle at 10% 80%, rgba(0, 82, 255, 0.1) 0%, rgba(249, 251, 253, 0) 50%),
                  linear-gradient(180deg, #ffffff 0%, #f4f7fc 100%);
      padding: 70px 0 60px;
      border-bottom: 1px solid var(--border);
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff0eb;
      border: 1px solid #ffd5c4;
      color: var(--primary);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary);
      border-radius: 50%;
    }
    .hero-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 900;
      color: var(--dark);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-title em {
      font-style: normal;
      color: var(--primary);
      position: relative;
      display: inline-block;
    }
    .hero-desc {
      font-size: 16px;
      color: var(--text-light);
      margin-bottom: 32px;
      line-height: 1.75;
    }
    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 36px;
    }
    .btn-hero-portal {
      font-size: 16px;
      padding: 13px 28px;
      background: linear-gradient(135deg, var(--primary) 0%, #ff7300 100%);
      color: #fff;
      font-weight: 800;
      border-radius: 10px;
      box-shadow: 0 6px 20px rgba(255, 77, 0, 0.35);
      border: none;
    }
    .btn-hero-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 77, 0, 0.45);
    }
    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      width: 100%;
      border-top: 1px solid #e5e9f0;
      padding-top: 24px;
    }
    .hero-stat-item h4 {
      font-size: 24px;
      font-weight: 900;
      color: var(--secondary);
    }
    .hero-stat-item p {
      font-size: 13px;
      color: var(--text-light);
      font-weight: 600;
    }

    /* 纯 CSS 构建的科技动效卡片（无任何图片） */
    .hero-visual-card {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: 18px;
      padding: 24px;
      box-shadow: 8px 8px 0px var(--dark);
      position: relative;
      overflow: hidden;
    }
    .card-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border);
      padding-bottom: 12px;
      margin-bottom: 16px;
    }
    .card-dots {
      display: flex;
      gap: 6px;
    }
    .card-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-r { background-color: #ff5f56; }
    .dot-y { background-color: #ffbd2e; }
    .dot-g { background-color: #27c93f; }
    .card-label {
      font-size: 12px;
      font-weight: 700;
      color: #64748b;
      text-transform: uppercase;
    }
    .console-stack {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .console-item {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 12px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: var(--transition);
    }
    .console-item:hover {
      border-color: var(--secondary);
      background: #f0f6ff;
    }
    .console-tag {
      font-size: 11px;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 4px;
      background: var(--dark);
      color: #fff;
    }
    .console-info h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark);
    }
    .console-info p {
      font-size: 12px;
      color: var(--text-light);
    }
    .console-speed {
      font-size: 12px;
      font-weight: 700;
      color: #10b981;
    }

    /* Section 通用规范 */
    section {
      padding: 70px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 50px;
    }
    .section-subtitle {
      display: inline-block;
      font-size: 13px;
      font-weight: 800;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
      background: rgba(255, 77, 0, 0.08);
      padding: 4px 12px;
      border-radius: 99px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-description {
      font-size: 15px;
      color: var(--text-light);
    }

    /* 关于我们 & 平台介绍 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .about-text h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 16px;
    }
    .about-text p {
      font-size: 15px;
      color: var(--text-light);
      margin-bottom: 14px;
    }
    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }
    .feature-check-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--dark);
    }
    .check-icon {
      width: 20px;
      height: 20px;
      background: #e6f9f0;
      color: #10b981;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 12px;
    }
    .model-chip-cloud {
      background: #f8fafc;
      border: 1px dashed #cbd5e1;
      border-radius: 12px;
      padding: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border);
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 700;
      color: var(--dark);
      transition: var(--transition);
    }
    .model-chip:hover {
      background: var(--dark);
      color: #ffffff;
      border-color: var(--dark);
      transform: translateY(-2px);
    }

    /* 服务能力卡片与场景网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border-radius: 14px;
      border: 1px solid var(--border);
      padding: 26px;
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .service-badge {
      align-self: flex-start;
      font-size: 11px;
      font-weight: 800;
      padding: 4px 8px;
      border-radius: 4px;
      background: #fff4e5;
      color: #d97706;
      margin-bottom: 14px;
    }
    .service-card h3 {
      font-size: 18px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 10px;
    }
    .service-card p {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .service-tag {
      font-size: 11px;
      background: #f1f5f9;
      color: #475569;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 行业方案与多格式卡片 */
    .solution-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .solution-card {
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid var(--border);
      padding: 28px;
      border-top: 4px solid var(--secondary);
      box-shadow: var(--shadow-sm);
    }
    .solution-card:nth-child(2) { border-top-color: var(--primary); }
    .solution-card:nth-child(3) { border-top-color: #10b981; }
    .solution-card h3 {
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--dark);
    }
    .solution-card ul {
      list-style: none;
      margin-top: 14px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .solution-card li {
      font-size: 13px;
      color: var(--text-light);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .solution-card li::before {
      content: "•";
      color: var(--primary);
      font-weight: bold;
      font-size: 16px;
    }

    /* 服务网络与流程步骤 */
    .process-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .process-step {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 24px;
      position: relative;
    }
    .step-number {
      font-size: 32px;
      font-weight: 900;
      color: #cbd5e1;
      line-height: 1;
      margin-bottom: 12px;
    }
    .process-step:hover .step-number {
      color: var(--primary);
    }
    .process-step h3 {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--dark);
    }
    .process-step p {
      font-size: 13px;
      color: var(--text-light);
    }

    /* 案例中心 (集成真实素材图) */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
    }
    .case-img-wrap.square-wrap {
      aspect-ratio: 1 / 1;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }
    .case-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .case-info h3 {
      font-size: 16px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 6px;
    }
    .case-info p {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 12px;
    }
    .case-stats {
      margin-top: auto;
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #f1f5f9;
      padding-top: 10px;
    }

    /* 对比评测 (五星，9.9分，满分10分要求) */
    .review-highlight-card {
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      color: #ffffff;
      border-radius: 16px;
      padding: 36px;
      margin-bottom: 30px;
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 36px;
      align-items: center;
    }
    .score-box {
      text-align: center;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 14px;
      padding: 24px;
    }
    .score-stars {
      color: var(--accent);
      font-size: 24px;
      margin-bottom: 8px;
    }
    .score-number {
      font-size: 48px;
      font-weight: 900;
      color: #ffffff;
      line-height: 1;
    }
    .score-max {
      font-size: 14px;
      color: #94a3b8;
      margin-top: 4px;
    }
    .score-verdict {
      margin-top: 12px;
      display: inline-block;
      padding: 4px 12px;
      background: var(--primary);
      border-radius: 20px;
      font-size: 12px;
      font-weight: 700;
    }
    .review-details h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .review-details p {
      font-size: 14px;
      color: #cbd5e1;
      margin-bottom: 16px;
      line-height: 1.7;
    }
    .review-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .r-badge {
      background: rgba(255, 255, 255, 0.1);
      font-size: 12px;
      padding: 6px 12px;
      border-radius: 6px;
      color: #f8fafc;
    }

    /* 对比表格 */
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }
    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      font-size: 14px;
    }
    .comparison-table th {
      background: #f8fafc;
      color: var(--dark);
      font-weight: 800;
    }
    .comparison-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-col {
      background: rgba(255, 77, 0, 0.03);
      font-weight: 700;
      color: var(--dark);
    }
    .tag-yes {
      color: #10b981;
      font-weight: 800;
    }
    .tag-no {
      color: #94a3b8;
    }

    /* Token 比价板块 */
    .price-matrix-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
    }
    .price-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }
    .price-card.featured {
      border: 2px solid var(--primary);
      position: relative;
    }
    .price-card.featured::after {
      content: "推荐之选";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 11px;
      font-weight: 800;
      padding: 2px 10px;
      border-radius: 12px;
    }
    .price-model-name {
      font-size: 18px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 8px;
    }
    .price-val {
      font-size: 26px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .price-unit {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 16px;
    }
    .price-feat {
      font-size: 13px;
      color: var(--text-light);
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
      line-height: 1.8;
    }

    /* 6条用户评论板块 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }
    .testi-content {
      font-size: 14px;
      color: var(--text);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }
    .testi-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--secondary);
      color: #ffffff;
      font-weight: 800;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .testi-author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark);
    }
    .testi-author-info p {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 需求匹配与联系表单板块 */
    .form-wrapper {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
    }
    .form-sidebar {
      background: linear-gradient(135deg, var(--dark) 0%, #1e293b 100%);
      color: #ffffff;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .form-sidebar h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .form-sidebar p {
      font-size: 14px;
      color: #94a3b8;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .qr-box {
      background: #ffffff;
      padding: 12px;
      border-radius: 10px;
      width: 140px;
      margin-bottom: 12px;
    }
    .qr-box img {
      width: 100%;
      height: auto;
    }
    .qr-caption {
      font-size: 12px;
      color: #cbd5e1;
    }
    .contact-meta-list {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 13px;
      color: #cbd5e1;
    }
    .form-main {
      padding: 40px;
    }
    .form-main h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 20px;
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group.full {
      grid-column: span 2;
    }
    .form-group label {
      font-size: 13px;
      font-weight: 700;
      color: var(--dark);
    }
    .form-control {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 14px;
      background: #f8fafc;
      transition: var(--transition);
      font-family: inherit;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 77, 0, 0.12);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* FAQ 手风琴面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item.active {
      border-color: var(--primary);
    }
    .faq-header {
      padding: 18px 22px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-header h3 {
      font-size: 15px;
      font-weight: 700;
      color: var(--dark);
    }
    .faq-icon {
      font-size: 18px;
      font-weight: bold;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-body {
      padding: 0 22px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    }
    .faq-item.active .faq-body {
      padding: 0 22px 18px;
      max-height: 500px;
      transition: max-height 0.3s ease-in-out;
    }
    .faq-body p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.7;
    }

    /* 资讯与动态 (包含最新文章及链接要求) */
    .news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 24px;
    }
    .news-card h3 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--dark);
    }
    .articles-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .articles-list li a {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 14px;
      color: var(--text);
      padding: 8px 10px;
      border-radius: 6px;
    }
    .articles-list li a:hover {
      background: #f1f5f9;
      color: var(--primary);
    }
    .articles-list li a span.date {
      font-size: 12px;
      color: #94a3b8;
    }

    /* 代理加盟专区 */
    .partner-banner {
      background: linear-gradient(135deg, #0052ff 0%, #002b80 100%);
      color: #ffffff;
      border-radius: 16px;
      padding: 40px;
      text-align: center;
    }
    .partner-banner h3 {
      font-size: 28px;
      font-weight: 900;
      margin-bottom: 12px;
    }
    .partner-banner p {
      font-size: 15px;
      color: #e0e7ff;
      max-width: 680px;
      margin: 0 auto 24px;
    }

    /* 底部收尾体系 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 3px solid var(--primary);
    }
    .footer-inner {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-brand h4 {
      font-size: 20px;
      color: #ffffff;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 9px;
    }
    .footer-links li a {
      font-size: 13px;
      color: #94a3b8;
    }
    .footer-links li a:hover {
      color: #ffffff;
    }
    .friend-links-area {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 24px;
    }
    .friend-links-area h6 {
      font-size: 13px;
      color: #cbd5e1;
      margin-bottom: 10px;
    }
    .friend-links-group {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .friend-links-group a {
      font-size: 12px;
      color: #64748b;
    }
    .friend-links-group a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      text-align: center;
      font-size: 12px;
      color: #64748b;
    }

    /* 浮动客服入口 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 18px;
      color: var(--dark);
      transition: var(--transition);
      position: relative;
    }
    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }
    .float-qr-pop {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 10px;
      border-radius: 10px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border);
      display: none;
      width: 140px;
      text-align: center;
    }
    .float-btn:hover .float-qr-pop {
      display: block;
    }
    .float-qr-pop img {
      width: 100%;
    }
    .float-qr-pop span {
      font-size: 11px;
      color: var(--dark);
      margin-top: 4px;
      display: block;
      font-weight: 700;
    }

    /* 响应式样式 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .solution-row {
        grid-template-columns: 1fr;
      }
      .process-container {
        grid-template-columns: 1fr 1fr;
      }
      .review-highlight-card {
        grid-template-columns: 1fr;
      }
      .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .form-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
      .cases-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .site-header {
        position: relative;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--border);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title {
        font-size: 28px;
      }
      .process-container {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full {
        grid-column: span 1;
      }
      .footer-inner {
        grid-template-columns: 1fr;
      }
    }