:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --accent-magenta: #e11d48;
      --accent-purple: #7c3aed;
      --accent-cyan: #06b6d4;
      --accent-amber: #f59e0b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #334155;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-bright: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.1);
      --shadow-lg: 0 12px 30px -4px rgba(15, 23, 42, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      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: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
      max-width: 140px;
      object-fit: contain;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      transform: translateY(-1px);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      text-align: center;
      line-height: 1.2;
    }

    .btn-primary {
      background: linear-gradient(135deg, #2563eb, #7c3aed);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #1d4ed8, #6d28d9);
      box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
      transform: translateY(-2px);
    }

    .btn-accent {
      background: linear-gradient(135deg, #e11d48, #f59e0b);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.3);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(225, 29, 72, 0.45);
    }

    .btn-outline {
      border-color: #cbd5e1;
      background: #ffffff;
      color: var(--text-main);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #eff6ff;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero - 无图片，纯CSS与高饱和艳彩几何渐变 */
    .hero-section {
      position: relative;
      padding: 90px 0 80px;
      background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(225, 29, 72, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.05) 0%, transparent 60%),
                  #ffffff;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 9999px;
      background: linear-gradient(90deg, #eff6ff, #fdf2f8);
      border: 1px solid #bfdbfe;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
      box-shadow: 0 2px 6px rgba(37, 99, 235, 0.1);
    }

    .hero-badge-tag {
      background: var(--accent-magenta);
      color: #ffffff;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 9999px;
      text-transform: uppercase;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 20px;
    }

    .hero-title .highlight-gradient {
      background: linear-gradient(120deg, #2563eb, #e11d48, #7c3aed);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 19px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .hero-btn-primary {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    .hero-feature-tags {
      display: flex;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
      padding: 16px;
      background: rgba(248, 250, 252, 0.85);
      border: 1px solid var(--border-bright);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .hero-tag-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      padding: 4px 10px;
      background: #ffffff;
      border-radius: 6px;
      border: 1px solid var(--border-color);
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-magenta);
    }

    /* 指标看板 */
    .metrics-section {
      padding: 40px 0;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .metric-card {
      padding: 24px;
      border-radius: var(--radius-md);
      background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
      border: 1px solid var(--border-color);
      text-align: center;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .metric-value {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
      line-height: 1;
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 2px;
    }

    .metric-value span {
      font-size: 20px;
      color: var(--accent-magenta);
    }

    .metric-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .metric-desc {
      font-size: 13px;
      color: var(--text-light);
    }

    /* 通用章节样式 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-bg-alt {
      background: #f1f5f9;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-badge {
      display: inline-block;
      padding: 5px 14px;
      border-radius: 9999px;
      background: #e0f2fe;
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      border: 1px solid #bae6fd;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 关于我们与平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-card h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .about-card h3::before {
      content: "";
      width: 5px;
      height: 24px;
      background: linear-gradient(180deg, var(--primary), var(--accent-magenta));
      border-radius: 4px;
    }

    .about-card p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 18px;
    }

    .about-pillars {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 20px;
    }

    .pillar-item {
      padding: 14px;
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--primary);
    }

    .pillar-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .pillar-desc {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 模型墙 */
    .model-chips-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 24px;
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border-bright);
      padding: 6px 14px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      color: #1e293b;
      box-shadow: 0 1px 2px rgba(0,0,0,0.05);
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.15);
    }

    /* AIGC 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .service-card::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent-purple));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: #bfdbfe;
    }

    .service-card:hover::after {
      opacity: 1;
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, #eff6ff, #f5f3ff);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
      border: 1px solid #dbeafe;
    }

    .service-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .service-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: #f0fdf4;
      color: #166534;
      padding: 3px 8px;
      border-radius: 4px;
      align-self: flex-start;
      border: 1px solid #bbf7d0;
    }

    /* 一站式制作工作流 */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-step {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .workflow-step-num {
      font-size: 28px;
      font-weight: 900;
      color: #e2e8f0;
      position: absolute;
      top: 16px;
      right: 20px;
    }

    .workflow-step-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .workflow-step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测卡片与表格 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #1e3a8a, #4338ca);
      border-radius: var(--radius-lg);
      padding: 36px;
      color: #ffffff;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: 0 10px 25px -5px rgba(30, 58, 138, 0.4);
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: #ffffff;
      color: #1e3a8a;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

    .score-num {
      font-size: 32px;
      font-weight: 900;
      line-height: 1;
    }

    .score-total {
      font-size: 11px;
      color: #64748b;
      font-weight: 700;
    }

    .eval-meta h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .eval-stars {
      color: #fbbf24;
      font-size: 20px;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .eval-table-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .eval-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .eval-table tr:hover td {
      background: #f8fafc;
    }

    .tag-strong {
      color: #15803d;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 案例中心 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .case-banner-col {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .case-img-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #e2e8f0;
    }

    .case-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .case-img-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 20px;
    }

    .case-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .case-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 行业方案与网络 */
    .solution-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .solution-item {
      background: #ffffff;
      padding: 26px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .solution-tag {
      font-size: 12px;
      color: var(--accent-magenta);
      font-weight: 700;
      margin-bottom: 8px;
      display: inline-block;
    }

    .solution-item h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .solution-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Token 比价 */
    .token-table-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .price-badge-saving {
      background: #dcfce7;
      color: #166534;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 700;
    }

    /* 用户评论 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      position: relative;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--bg-alt);
      padding-top: 14px;
    }

    .user-avatar-initial {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

    .user-info-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info-role {
      font-size: 12px;
      color: var(--text-light);
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: #93c5fd;
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
      background: #f8fafc;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
      padding: 16px 24px 20px;
      border-top: 1px solid var(--border-color);
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* AI 百科 & 资讯文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .article-card {
      background: #ffffff;
      border-radius: var(--radius-sm);
      padding: 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease;
    }

    .article-card:hover {
      transform: translateY(-3px);
      border-color: var(--primary);
    }

    .article-card h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .article-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .article-links-box {
      background: #ffffff;
      padding: 18px 24px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .article-links-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .article-link-tag {
      font-size: 13px;
      color: var(--primary);
      text-decoration: underline;
      padding: 2px 6px;
    }

    /* 需求匹配与联系我们表单 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: start;
    }

    .contact-info-panel {
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .contact-list {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-list li {
      font-size: 14px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .contact-list strong {
      color: var(--text-main);
      min-width: 80px;
    }

    .qr-box {
      margin-top: 24px;
      padding: 16px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }

    .qr-box img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
    }

    .form-panel {
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 1px solid var(--border-bright);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      background: #ffffff;
      color: var(--text-main);
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #0f172a, #1e293b);
      color: #ffffff;
      padding: 48px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

    .partner-info h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .partner-info p {
      font-size: 15px;
      color: #cbd5e1;
      max-width: 650px;
      line-height: 1.7;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-desc {
      font-size: 14px;
      line-height: 1.8;
      color: #94a3b8;
      margin-top: 16px;
      max-width: 420px;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: #94a3b8;
      font-size: 14px;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: #64748b;
    }

    .footer-friendly-links {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .footer-friendly-links a {
      color: #94a3b8;
      transition: color 0.2s;
    }

    .footer-friendly-links a:hover {
      color: #38bdf8;
    }

    /* 浮动客服 */
    .floating-cs {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .floating-btn:hover {
      transform: scale(1.08);
      background: var(--primary-dark);
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .services-grid,
      .testimonials-grid,
      .solution-cards,
      .workflow-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }

      .nav-menu {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        display: none;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
      }

      .nav-menu.open {
        display: flex;
      }

      .nav-links {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
      }

      .nav-links li {
        width: 100%;
      }

      .nav-links li a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--bg-alt);
      }

      .hero-title {
        font-size: 30px;
      }

      .about-grid,
      .contact-form-layout,
      .services-grid,
      .testimonials-grid,
      .solution-cards,
      .workflow-grid,
      .articles-grid,
      .metrics-grid,
      .footer-top {
        grid-template-columns: 1fr;
      }

      .partner-banner {
        flex-direction: column;
        align-items: flex-start;
      }

      .eval-highlight-box {
        flex-direction: column;
        text-align: center;
        justify-content: center;
      }

      .eval-score-wrap {
        flex-direction: column;
      }
    }