:root {
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --rainbow-1: #ff4757;
      --rainbow-2: #ff7f50;
      --rainbow-3: #ffa502;
      --rainbow-4: #2ed573;
      --rainbow-5: #1e90ff;
      --rainbow-6: #9b59b6;
      --grad-rainbow: linear-gradient(135deg, #ff4d4d 0%, #ff9f43 20%, #feca57 40%, #1dd1a1 60%, #48dbfb 80%, #9b59b6 100%);
      --grad-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #db2777 100%);
      --grad-light: linear-gradient(180deg, #fefefe 0%, #f7f9fc 100%);
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(30, 41, 59, 0.08), 0 8px 10px -6px rgba(30, 41, 59, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(79, 70, 229, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --max-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 15px;
      overflow-x: hidden;
    }

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

    a {
      color: #2563eb;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: #1d4ed8;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }
    .brand-title {
      font-size: 18px;
      font-weight: 700;
      background: var(--grad-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      color: #334155;
      font-size: 14px;
      font-weight: 500;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      display: inline-block;
    }
    .nav-links li a:hover {
      color: #2563eb;
      background-color: #f1f5f9;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-nav-primary {
      padding: 8px 18px;
      background: var(--grad-rainbow);
      color: #ffffff !important;
      font-weight: 600;
      border-radius: 999px;
      box-shadow: 0 4px 12px rgba(255, 71, 87, 0.25);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(255, 71, 87, 0.35);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 18px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏纯样式彩虹渐变与纯代码设计（严禁任何图片） */
    .hero-section {
      position: relative;
      padding: 80px 0 60px;
      background: radial-gradient(circle at 10% 20%, rgba(255, 107, 107, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 30%, rgba(30, 144, 255, 0.09) 0%, transparent 45%),
                  radial-gradient(circle at 50% 80%, rgba(46, 213, 115, 0.07) 0%, transparent 50%),
                  #ffffff;
      border-bottom: 1px solid #edf2f7;
    }
    .hero-wrap {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 999px;
      background: #fdf2f4;
      border: 1px solid #fed7dd;
      color: #e11d48;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
    }
    .hero-badge .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #e11d48;
      box-shadow: 0 0 8px #e11d48;
    }
    .hero-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #ff4757, #ff9f43, #2ed573, #1e90ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-btns {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .btn-main-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      color: #ffffff !important;
      background: linear-gradient(135deg, #e11d48, #f59e0b, #10b981, #3b82f6);
      background-size: 300% 300%;
      animation: rainbowShift 6s ease infinite;
      border-radius: 999px;
      box-shadow: 0 8px 25px rgba(225, 29, 72, 0.3);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .btn-main-glow:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4);
    }
    .btn-sub-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 30px;
      font-size: 15px;
      font-weight: 600;
      color: #1e293b;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 999px;
      transition: all 0.25s ease;
    }
    .btn-sub-outline:hover {
      background: #f8fafc;
      border-color: #94a3b8;
      color: #0284c7;
      transform: translateY(-2px);
    }

    @keyframes rainbowShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    /* 核心数据展示栏（纯CSS指标卡片） */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }
    .stat-pill {
      background: #ffffff;
      border: 1px solid #f1f5f9;
      border-radius: var(--radius-md);
      padding: 20px 14px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }
    .stat-pill:hover {
      transform: translateY(-3px);
      border-color: #cbd5e1;
    }
    .stat-num {
      font-size: 26px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 4px;
    }
    .stat-c1 { color: #ff4757; }
    .stat-c2 { color: #ffa502; }
    .stat-c3 { color: #2ed573; }
    .stat-c4 { color: #1e90ff; }
    .stat-txt {
      font-size: 13px;
      color: #64748b;
      font-weight: 500;
    }

    /* 模型矩阵跑马灯与标签 */
    .models-bar-wrap {
      padding: 28px 0;
      background: #f1f5f9;
      border-bottom: 1px solid #e2e8f0;
    }
    .models-bar-title {
      text-align: center;
      font-size: 13px;
      font-weight: 700;
      color: #475569;
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .model-tags-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }
    .m-badge {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      padding: 5px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      color: #334155;
      display: inline-block;
      transition: all 0.2s ease;
    }
    .m-badge:hover {
      background: #0f172a;
      color: #ffffff;
      transform: translateY(-1px);
    }

    /* 通用区块头 */
    .sec-block {
      padding: 70px 0;
      position: relative;
    }
    .sec-block-alt {
      background: #ffffff;
    }
    .sec-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }
    .sec-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: 1px;
      text-transform: uppercase;
      background: #eef2ff;
      color: #4338ca;
    }
    .sec-title {
      font-size: 28px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .sec-desc {
      font-size: 15px;
      color: #64748b;
      line-height: 1.6;
    }

    /* 彩虹边框卡片网格 */
    .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;
    }

    .rainbow-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      padding: 26px;
      position: relative;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .rainbow-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      border-radius: var(--radius-md) var(--radius-md) 0 0;
      background: var(--grad-rainbow);
      opacity: 0.8;
    }
    .rainbow-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }
    .card-icon-box {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      font-weight: bold;
      font-size: 18px;
      color: #ffffff;
    }
    .bg-rb-1 { background: #ff4757; }
    .bg-rb-2 { background: #ffa502; }
    .bg-rb-3 { background: #2ed573; }
    .bg-rb-4 { background: #1e90ff; }
    .bg-rb-5 { background: #9b59b6; }
    .bg-rb-6 { background: #00cec9; }

    .card-h3 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }
    .card-p {
      font-size: 14px;
      color: #475569;
      line-height: 1.6;
      flex-grow: 1;
    }
    .card-feature-list {
      list-style: none;
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px dashed #f1f5f9;
    }
    .card-feature-list li {
      font-size: 13px;
      color: #64748b;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .card-feature-list li::before {
      content: "•";
      color: #10b981;
      font-weight: bold;
    }

    /* 业务场景展示图文卡片 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .scenario-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .scenario-tag {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      padding: 3px 10px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #334155;
      display: inline-block;
      margin-bottom: 10px;
      align-self: flex-start;
    }
    .scenario-title {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }
    .scenario-text {
      font-size: 13px;
      color: #475569;
      line-height: 1.6;
    }

    /* 标准流程时间线 */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
    }
    .step-badge {
      width: 36px;
      height: 36px;
      background: var(--grad-rainbow);
      color: #ffffff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
      margin-bottom: 12px;
    }
    .step-name {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }
    .step-sub {
      font-size: 13px;
      color: #64748b;
      line-height: 1.5;
    }

    /* 对比评测卡片与表格 */
    .review-score-panel {
      background: linear-gradient(135deg, #f0fdf4 0%, #eff6ff 100%);
      border: 1px solid #bbf7d0;
      border-radius: var(--radius-md);
      padding: 28px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .score-left {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .score-badge {
      background: #16a34a;
      color: #ffffff;
      font-size: 28px;
      font-weight: 900;
      padding: 10px 18px;
      border-radius: 12px;
      text-align: center;
      line-height: 1;
    }
    .score-badge small {
      font-size: 12px;
      display: block;
      font-weight: 500;
      opacity: 0.9;
    }
    .score-info h3 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }
    .stars-rated {
      color: #f59e0b;
      font-size: 18px;
      font-weight: bold;
    }

    .compare-table-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }
    .compare-table th, .compare-table td {
      padding: 14px 18px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 14px;
    }
    .compare-table th {
      background: #f8fafc;
      color: #334155;
      font-weight: 700;
    }
    .compare-table tr:hover td {
      background: #fafafa;
    }
    .highlight-cell {
      color: #16a34a;
      font-weight: 700;
    }
    .dim-cell {
      color: #94a3b8;
    }

    /* 真实媒体素材展示区域 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      align-items: center;
    }
    .media-card-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid #e2e8f0;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }
    .media-card-img img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }
    .media-card-img:hover img {
      transform: scale(1.02);
    }
    .media-caption {
      padding: 14px 16px;
      font-size: 13px;
      color: #475569;
      font-weight: 600;
      background: #ffffff;
      border-top: 1px solid #f1f5f9;
    }

    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .banner-gallery-item {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid #e2e8f0;
      background: #ffffff;
    }
    .banner-gallery-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 客户评论卡片 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .user-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--grad-rainbow);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }
    .user-meta h4 {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
    }
    .user-meta p {
      font-size: 12px;
      color: #64748b;
    }
    .review-content {
      font-size: 13px;
      color: #334155;
      line-height: 1.6;
      flex-grow: 1;
    }

    /* FAQ 手风琴 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item.active {
      border-color: #3b82f6;
    }
    .faq-header {
      padding: 16px 20px;
      font-size: 16px;
      font-weight: 600;
      color: #1e293b;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-header:hover {
      background-color: #f8fafc;
    }
    .faq-icon {
      font-size: 18px;
      transition: transform 0.2s;
      color: #64748b;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: #2563eb;
    }
    .faq-body {
      padding: 0 20px 16px;
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
      display: none;
    }
    .faq-item.active .faq-body {
      display: block;
    }

    /* 表单与需求匹配 */
    .form-box-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #cbd5e1;
      padding: 36px;
      max-width: 760px;
      margin: 0 auto;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .form-box-wrapper::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: var(--grad-rainbow);
      border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
    .form-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 16px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      font-size: 14px;
      color: #0f172a;
      background: #f8fafc;
      transition: border-color 0.2s ease;
      font-family: inherit;
    }
    .form-control:focus {
      outline: none;
      border-color: #2563eb;
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }
    .btn-submit-form {
      width: 100%;
      padding: 14px;
      background: var(--grad-primary);
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: opacity 0.2s, transform 0.2s;
    }
    .btn-submit-form:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    /* 加盟代理与被动创收板块 */
    .agent-promo-card {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      box-shadow: var(--shadow-lg);
    }
    .agent-promo-content h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }
    .agent-promo-content p {
      font-size: 15px;
      color: #cbd5e1;
      line-height: 1.7;
      max-width: 650px;
    }
    .agent-promo-action {
      flex-shrink: 0;
    }
    .btn-agent-act {
      padding: 14px 28px;
      background: var(--grad-rainbow);
      color: #ffffff !important;
      font-weight: 700;
      border-radius: 999px;
      display: inline-block;
      box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
    }

    /* 文章列表 & 友情链接 */
    .articles-block {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .articles-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }
    .art-link-pill {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 13px;
      color: #1e293b;
      display: inline-block;
      transition: all 0.2s;
    }
    .art-link-pill:hover {
      background: #2563eb;
      color: #ffffff;
      border-color: #2563eb;
    }

    /* 统一规范页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links-list {
      list-style: none;
    }
    .footer-links-list li {
      margin-bottom: 8px;
    }
    .footer-links-list a {
      color: #94a3b8;
      font-size: 14px;
    }
    .footer-links-list a:hover {
      color: #ffffff;
    }
    .footer-contact-info p {
      font-size: 14px;
      color: #94a3b8;
      margin-bottom: 8px;
    }
    .qr-wrap {
      margin-top: 12px;
    }
    .qr-wrap img {
      width: 100px;
      height: 100px;
      border-radius: 8px;
      border: 2px solid #334155;
      display: block;
    }
    .footer-friend-links {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-top: 24px;
      font-size: 13px;
    }
    .footer-friend-links span {
      color: #cbd5e1;
      font-weight: 600;
      margin-right: 12px;
    }
    .footer-friend-links a {
      color: #94a3b8;
      margin-right: 14px;
      display: inline-block;
      margin-bottom: 6px;
    }
    .footer-friend-links a:hover {
      color: #38bdf8;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #64748b;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 浮动客服入口 */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .btn-float-action {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      cursor: pointer;
      color: #1e293b;
      transition: all 0.2s ease;
      text-decoration: none;
    }
    .btn-float-action:hover {
      background: #2563eb;
      color: #ffffff;
      transform: translateY(-3px);
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid-3, .scenario-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid-4, .steps-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-gallery {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        position: relative;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title {
        font-size: 26px;
      }
      .cards-grid-3, .cards-grid-4, .scenario-grid, .steps-row, .reviews-grid, .media-showcase-grid, .banner-gallery {
        grid-template-columns: 1fr;
      }
      .form-grid-2 {
        grid-template-columns: 1fr;
      }
      .agent-promo-card {
        flex-direction: column;
        text-align: center;
        padding: 26px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-score-panel {
        flex-direction: column;
        text-align: center;
      }
      .score-left {
        flex-direction: column;
      }
    }