:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --neon-cyan: #00f2fe;
      --neon-blue: #4facfe;
      --neon-purple: #7928ca;
      --neon-pink: #ff007a;
      --neon-amber: #ff6a00;
      --border-color: #e2e8f0;
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
      --neon-glow: 0 0 20px rgba(0, 242, 254, 0.25);
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 10% 10%, rgba(0, 242, 254, 0.04) 0%, transparent 40%),
                  radial-gradient(circle at 90% 30%, rgba(121, 40, 202, 0.04) 0%, transparent 50%),
                  radial-gradient(circle at 50% 80%, rgba(255, 0, 122, 0.03) 0%, transparent 60%),
                  var(--bg-main);
      min-height: 100vh;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-box .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
      border-radius: 8px;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #2563eb 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-main);
      font-size: 0.92rem;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.25s ease;
      position: relative;
    }

    .nav-links li a:hover {
      color: #2563eb;
    }

    .nav-links li a::after {
      content: "";
      position: absolute;
      bottom: 2px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
      transform: scaleX(0);
      transition: transform 0.25s ease;
      border-radius: 2px;
    }

    .nav-links li a:hover::after {
      transform: scaleX(1);
    }

    .header-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: 8px;
      text-decoration: none;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-neon-primary {
      background: linear-gradient(135deg, #0052d4, #4364f7, #6fb1fc);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(67, 100, 247, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-neon-primary:hover {
      box-shadow: 0 6px 22px rgba(67, 100, 247, 0.5), var(--neon-glow);
      transform: translateY(-2px);
      color: #ffffff;
    }

    .btn-neon-outline {
      background: #ffffff;
      color: #0f172a;
      border: 1px solid #cbd5e1;
      position: relative;
    }

    .btn-neon-outline:hover {
      border-color: #3b82f6;
      color: #2563eb;
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
      transform: translateY(-2px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid #cbd5e1;
      padding: 8px;
      border-radius: 6px;
      cursor: pointer;
      color: #0f172a;
    }

    /* 首屏 Hero (严禁图片) */
    .hero-section {
      padding: 70px 0 55px;
      position: relative;
      background: linear-gradient(180deg, rgba(241, 245, 249, 0.6) 0%, rgba(248, 250, 252, 1) 100%);
      border-bottom: 1px solid #e2e8f0;
    }

    .hero-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid #dbeafe;
      border-radius: 9999px;
      box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
      font-size: 0.88rem;
      font-weight: 700;
      color: #1d4ed8;
      margin-bottom: 22px;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
    }

    .hero-title {
      font-size: clamp(2.1rem, 4.5vw, 3.2rem);
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      letter-spacing: -0.8px;
      margin-bottom: 20px;
      max-width: 900px;
    }

    .hero-title-gradient {
      background: linear-gradient(120deg, #1e3a8a 0%, #2563eb 40%, #7c3aed 75%, #db2777 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: clamp(1rem, 1.8vw, 1.2rem);
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 35px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      justify-content: center;
      margin-bottom: 45px;
    }

    .hero-highlight-btn {
      font-size: 1.08rem;
      padding: 13px 34px;
      background: linear-gradient(135deg, #2563eb, #7c3aed, #ec4899);
      color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 10px 25px rgba(124, 58, 237, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
      font-weight: 700;
      position: relative;
      overflow: hidden;
    }

    .hero-highlight-btn:hover {
      box-shadow: 0 12px 30px rgba(124, 58, 237, 0.5), 0 0 25px rgba(236, 72, 153, 0.4);
      transform: translateY(-2px);
      color: #ffffff;
    }

    .hero-metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      width: 100%;
      max-width: 1020px;
      margin-top: 10px;
    }

    .hero-metric-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 20px 15px;
      text-align: center;
      box-shadow: var(--card-shadow);
      transition: all 0.25s ease;
      position: relative;
    }

    .hero-metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 20%;
      right: 20%;
      height: 2px;
      background: linear-gradient(90deg, transparent, #3b82f6, transparent);
    }

    .hero-metric-card:hover {
      transform: translateY(-3px);
      border-color: #93c5fd;
      box-shadow: 0 12px 24px rgba(37, 99, 235, 0.1);
    }

    .hero-metric-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: #1e3a8a;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .hero-metric-label {
      font-size: 0.86rem;
      color: var(--text-light);
      font-weight: 500;
    }

    /* Section 通用规范 */
    section {
      padding: 70px 0;
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 14px;
      background: #eef2ff;
      color: #4338ca;
      border-radius: 9999px;
      margin-bottom: 12px;
      border: 1px solid #c7d2fe;
    }

    .section-title {
      font-size: clamp(1.6rem, 2.8vw, 2.2rem);
      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: 1.65;
    }

    /* 模型矩阵徽章网格 */
    .models-marquee-wrap {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 24px 20px;
      box-shadow: var(--card-shadow);
      margin-bottom: 25px;
    }

    .models-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-badge {
      display: inline-flex;
      align-items: center;
      padding: 7px 14px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      font-size: 0.86rem;
      font-weight: 600;
      color: #1e293b;
      transition: all 0.2s ease;
    }

    .model-badge:hover {
      background: #eff6ff;
      border-color: #60a5fa;
      color: #1d4ed8;
      transform: translateY(-1px);
    }

    /* 网格通用布局 */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .cards-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 26px;
    }

    .feature-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 26px;
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: #93c5fd;
      box-shadow: 0 14px 30px rgba(37, 99, 235, 0.08);
    }

    .card-icon {
      width: 46px;
      height: 46px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 18px;
      background: linear-gradient(135deg, #eff6ff, #dbeafe);
      border: 1px solid #bfdbfe;
      color: #1d4ed8;
    }

    .card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .card-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .card-tag {
      display: inline-block;
      align-self: flex-start;
      margin-top: 16px;
      padding: 3px 10px;
      background: #f1f5f9;
      color: #475569;
      font-size: 0.78rem;
      border-radius: 6px;
      font-weight: 600;
    }

    /* 行业方案展示与图文布局 */
    .solution-split-row {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 32px;
      box-shadow: var(--card-shadow);
      margin-bottom: 24px;
    }

    .media-container {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid #e2e8f0;
      background: #f1f5f9;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
    }

    .media-container img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.35s ease;
    }

    .media-container:hover img {
      transform: scale(1.02);
    }

    .checklist-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin: 18px 0;
    }

    .checklist-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.92rem;
      color: #334155;
    }

    .check-badge {
      width: 20px;
      height: 20px;
      background: #dcfce7;
      color: #16a34a;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* 流程时间线 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .process-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 22px 18px;
      text-align: center;
      position: relative;
      box-shadow: var(--card-shadow);
    }

    .process-step-num {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, #3b82f6, #8b5cf6);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      margin: 0 auto 14px;
      box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
    }

    .process-card h4 {
      font-size: 1.02rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }

    .process-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格与卡片 */
    .benchmark-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 32px;
      box-shadow: var(--card-shadow);
    }

    .score-summary-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      background: linear-gradient(135deg, #f8fafc, #eff6ff);
      border: 1px solid #dbeafe;
      border-radius: 12px;
      padding: 20px 26px;
      margin-bottom: 28px;
    }

    .score-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .score-big {
      font-size: 2.2rem;
      font-weight: 900;
      color: #1e3a8a;
      line-height: 1;
    }

    .score-meta {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .score-stars {
      color: #eab308;
      font-size: 1.15rem;
      letter-spacing: 2px;
    }

    .benchmark-table-wrap {
      overflow-x: auto;
    }

    .benchmark-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 620px;
    }

    .benchmark-table th,
    .benchmark-table td {
      padding: 15px 16px;
      border-bottom: 1px solid #e2e8f0;
      font-size: 0.92rem;
    }

    .benchmark-table th {
      background: #f8fafc;
      color: #1e293b;
      font-weight: 700;
    }

    .benchmark-table td:first-child {
      font-weight: 600;
      color: #0f172a;
    }

    .highlight-cell {
      background: #eff6ff;
      color: #1d4ed8 !important;
      font-weight: 700;
    }

    /* 用户评论卡片 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 24px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .testimonial-card:hover {
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }

    .testi-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #dbeafe, #ede9fe);
      border: 1px solid #c7d2fe;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #4338ca;
      font-size: 1rem;
    }

    .testi-name {
      font-weight: 700;
      color: #0f172a;
      font-size: 0.98rem;
    }

    .testi-role {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .testi-stars {
      color: #f59e0b;
      font-size: 0.85rem;
      margin-bottom: 10px;
    }

    .testi-content {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 表单与需求匹配 */
    .form-container-box {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 36px;
      box-shadow: var(--card-shadow);
    }

    .form-info-col h3 {
      font-size: 1.45rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #0f172a;
    }

    .form-info-col p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 22px;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 0.92rem;
      color: #334155;
    }

    .contact-icon-pill {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: #eff6ff;
      border: 1px solid #dbeafe;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #2563eb;
      font-weight: bold;
    }

    .app-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: #1e293b;
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      background: #f8fafc;
      font-size: 0.92rem;
      color: #0f172a;
      transition: all 0.2s ease;
      outline: none;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      background: #ffffff;
      border-color: #3b82f6;
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    }

    .form-textarea {
      min-height: 90px;
      resize: vertical;
    }

    /* 折叠面板 FAQ */
    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
      transition: border-color 0.25s ease;
    }

    .faq-item:hover {
      border-color: #cbd5e1;
    }

    .faq-trigger {
      width: 100%;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      text-align: left;
      background: none;
      border: none;
      cursor: pointer;
      font-size: 1rem;
      font-weight: 700;
      color: #0f172a;
    }

    .faq-arrow {
      font-size: 1.1rem;
      transition: transform 0.3s ease;
      color: #64748b;
    }

    .faq-content {
      display: none;
      padding: 0 20px 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px dashed #f1f5f9;
      padding-top: 14px;
    }

    .faq-item.active .faq-content {
      display: block;
    }

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
      color: #2563eb;
    }

    /* 资讯与百科文章 */
    .news-article-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 22px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
    }

    .news-article-card:hover {
      border-color: #93c5fd;
      transform: translateY(-3px);
    }

    .news-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .news-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .news-title a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s;
    }

    .news-title a:hover {
      color: #2563eb;
    }

    .news-excerpt {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .article-links-strip {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 16px 20px;
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
    }

    .article-strip-title {
      font-weight: 700;
      font-size: 0.9rem;
      color: #1e293b;
      margin-right: 8px;
    }

    .article-strip-link {
      font-size: 0.86rem;
      color: #2563eb;
      text-decoration: none;
      padding: 4px 10px;
      background: #eff6ff;
      border-radius: 6px;
      transition: background 0.2s ease;
    }

    .article-strip-link:hover {
      background: #dbeafe;
    }

    /* 加盟代理模块 */
    .agent-cta-box {
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      border-radius: 18px;
      padding: 40px;
      color: #ffffff;
      box-shadow: 0 15px 35px rgba(15, 23, 42, 0.15);
      position: relative;
      overflow: hidden;
      border: 1px solid #334155;
    }

    .agent-cta-box::before {
      content: "";
      position: absolute;
      top: -40px;
      right: -40px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(0, 242, 254, 0.25) 0%, transparent 70%);
      pointer-events: none;
    }

    .agent-cta-inner {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .agent-cta-box h3 {
      font-size: clamp(1.5rem, 2.5vw, 2rem);
      font-weight: 800;
      margin-bottom: 12px;
      background: linear-gradient(90deg, #ffffff, #93c5fd);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .agent-cta-box p {
      color: #94a3b8;
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .agent-stats {
      display: flex;
      gap: 20px;
    }

    .agent-stat-item strong {
      display: block;
      font-size: 1.6rem;
      color: #38bdf8;
      font-weight: 800;
    }

    .agent-stat-item span {
      font-size: 0.82rem;
      color: #94a3b8;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      padding: 55px 0 30px;
      color: #334155;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
    }

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

    .footer-links-list a {
      color: #475569;
      text-decoration: none;
      font-size: 0.88rem;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: #2563eb;
    }

    .qrcode-box {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .qrcode-box img {
      width: 105px;
      height: 105px;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 4px;
      background: #ffffff;
    }

    .qrcode-label {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    .friendly-links-section {
      border-top: 1px solid #f1f5f9;
      padding: 22px 0;
      margin-bottom: 22px;
    }

    .friendly-links-title {
      font-size: 0.86rem;
      font-weight: 700;
      color: #64748b;
      margin-bottom: 10px;
    }

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friendly-links-wrap a {
      font-size: 0.86rem;
      color: #475569;
      text-decoration: none;
      transition: color 0.2s;
    }

    .friendly-links-wrap a:hover {
      color: #2563eb;
    }

    .footer-bottom {
      border-top: 1px solid #e2e8f0;
      padding-top: 22px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0f172a;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.25s ease;
      font-size: 1.1rem;
    }

    .float-btn:hover {
      background: #2563eb;
      color: #ffffff;
      border-color: #2563eb;
      transform: translateY(-2px);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-container-box {
        grid-template-columns: 1fr;
      }
      .agent-cta-inner {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        padding: 12px 20px;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 0;
        border-bottom: 1px solid #f1f5f9;
      }
      .cards-grid-3,
      .testimonials-grid,
      .cards-grid-2 {
        grid-template-columns: 1fr;
      }
      .solution-split-row {
        grid-template-columns: 1fr;
        padding: 20px;
      }
      .process-grid {
        grid-template-columns: 1fr;
      }
      .hero-metric-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 1.5rem;
      }
    }