:root {
      --primary: #0052d9;
      --primary-hover: #003cab;
      --primary-light: #ecf2fe;
      --primary-gradient: linear-gradient(135deg, #0052d9 0%, #166ff7 60%, #00d2d3 100%);
      --accent: #00c5c8;
      --dark-title: #0a1f44;
      --dark-text: #2c3e50;
      --muted-text: #64748b;
      --border-color: #e2e8f0;
      --bg-light: #f8fafd;
      --bg-white: #ffffff;
      --card-shadow: 0 10px 30px -5px rgba(0, 82, 217, 0.08);
      --card-shadow-hover: 0 20px 35px -5px rgba(0, 82, 217, 0.16);
      --radius: 12px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--dark-text);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* 容器基准 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 82, 217, 0.1);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

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

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

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

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-tag {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 4px;
      font-weight: 600;
    }

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

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--dark-text);
      padding: 10px 14px;
      border-radius: 6px;
      display: block;
      transition: var(--transition);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: var(--primary-light);
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background: var(--primary);
      color: #ffffff !important;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 8px;
      box-shadow: 0 4px 14px rgba(0, 82, 217, 0.3);
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-portal:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(0, 82, 217, 0.4);
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2.5px;
      background: var(--dark-title);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 首屏 Hero - 无图片要求 */
    .hero-section {
      position: relative;
      padding: 90px 0 70px;
      background: radial-gradient(circle at 80% 20%, #ebf3ff 0%, #f8fafd 60%);
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-pattern {
      position: absolute;
      top: -20%;
      right: -10%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(0, 82, 217, 0.08) 0%, rgba(0, 197, 200, 0.04) 50%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-content {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid rgba(0, 82, 217, 0.2);
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      box-shadow: 0 4px 12px rgba(0, 82, 217, 0.06);
      margin-bottom: 24px;
    }

    .hero-badge .pulse-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--dark-title);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--muted-text);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 34px;
      background: var(--primary);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 600;
      border-radius: 10px;
      box-shadow: 0 10px 25px rgba(0, 82, 217, 0.35);
      transition: var(--transition);
    }

    .btn-hero-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(0, 82, 217, 0.45);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 30px;
      background: #ffffff;
      color: var(--primary);
      font-size: 1.05rem;
      font-weight: 600;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
      transition: var(--transition);
    }

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

    /* 首屏数据指标卡片 - 纯 CSS 视觉设计 */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      padding: 30px 24px;
      border-radius: 16px;
      box-shadow: var(--card-shadow);
      border: 1px solid rgba(0, 82, 217, 0.1);
      position: relative;
    }

    .metric-item {
      text-align: center;
      position: relative;
    }

    .metric-item:not(:last-child)::after {
      content: "";
      position: absolute;
      right: 0;
      top: 15%;
      height: 70%;
      width: 1px;
      background: var(--border-color);
    }

    .metric-num {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      font-family: Arial, sans-serif;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--muted-text);
      font-weight: 500;
    }

    /* 模块通用标题 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 10px;
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 20px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--dark-title);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--muted-text);
      line-height: 1.6;
    }

    /* 平台介绍 & 核心能力 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

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

    .about-card h3 {
      font-size: 1.5rem;
      color: var(--dark-title);
      margin-bottom: 16px;
      font-weight: 700;
    }

    .about-card p {
      color: var(--dark-text);
      margin-bottom: 20px;
      font-size: 0.98rem;
    }

    .model-tags-wrap {
      background: var(--bg-light);
      padding: 24px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
    }

    .model-tags-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-pill {
      font-size: 0.8rem;
      background: #ffffff;
      color: var(--dark-text);
      padding: 4px 10px;
      border-radius: 6px;
      border: 1px solid #d1d5db;
      font-weight: 500;
    }

    .model-pill.active {
      border-color: var(--primary);
      color: var(--primary);
      background: #f0f7ff;
      font-weight: 600;
    }

    .feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #ffffff;
      padding: 16px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    .feature-icon-box {
      width: 28px;
      height: 28px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .feature-text h4 {
      font-size: 0.95rem;
      color: var(--dark-title);
      margin-bottom: 4px;
    }

    .feature-text p {
      font-size: 0.85rem;
      color: var(--muted-text);
      margin: 0;
      line-height: 1.4;
    }

    /* 一站式创作场景矩阵 (23+场景) */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scene-card {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .scene-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-shadow-hover);
      border-color: rgba(0, 82, 217, 0.3);
    }

    .scene-header-area {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }

    .scene-badge {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 4px;
      font-weight: 600;
    }

    .scene-name {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 10px;
    }

    .scene-desc {
      font-size: 0.9rem;
      color: var(--muted-text);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .scene-highlight {
      font-size: 0.82rem;
      color: var(--primary);
      background: #f8fafd;
      padding: 6px 10px;
      border-radius: 6px;
      border-left: 3px solid var(--primary);
    }

    /* 行业解决方案与流程 */
    .solutions-tabs {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .sol-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      text-align: center;
      transition: var(--transition);
    }

    .sol-card:hover {
      border-color: var(--primary);
      box-shadow: var(--card-shadow);
    }

    .sol-card h4 {
      font-size: 1.1rem;
      color: var(--dark-title);
      margin-bottom: 8px;
    }

    .sol-card p {
      font-size: 0.88rem;
      color: var(--muted-text);
    }

    /* 标准流程时间线 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-box {
      background: #ffffff;
      padding: 22px 18px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      position: relative;
      text-align: center;
    }

    .step-num {
      width: 36px;
      height: 36px;
      line-height: 36px;
      background: var(--primary);
      color: #ffffff;
      font-weight: bold;
      border-radius: 50%;
      margin: 0 auto 12px;
      font-size: 0.95rem;
    }

    .step-box h5 {
      font-size: 1rem;
      color: var(--dark-title);
      margin-bottom: 6px;
    }

    .step-box p {
      font-size: 0.82rem;
      color: var(--muted-text);
      line-height: 1.45;
    }

    /* 案例中心 (结合真实图片资源) */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16/9;
      background: #eaeff8;
      overflow: hidden;
      position: relative;
    }

    .case-img-wrap.square {
      aspect-ratio: 1/1;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-cat {
      font-size: 0.78rem;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.15rem;
      color: var(--dark-title);
      font-weight: 700;
      margin-bottom: 10px;
    }

    .case-info {
      font-size: 0.88rem;
      color: var(--muted-text);
      line-height: 1.5;
    }

    /* 对比评测 - 满分10分/9.9分推荐 */
    .compare-container {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      padding: 40px;
    }

    .compare-score-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #0a1f44 0%, #0052d9 100%);
      color: #ffffff;
      padding: 28px 36px;
      border-radius: 12px;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-left h3 {
      font-size: 1.4rem;
      margin-bottom: 6px;
      font-weight: 700;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .score-right {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .score-big {
      font-size: 3.2rem;
      font-weight: 800;
      line-height: 1;
      color: #ffffff;
    }

    .score-total {
      font-size: 1.1rem;
      color: rgba(255, 255, 255, 0.8);
    }

    .table-responsive {
      overflow-x: auto;
      margin-bottom: 20px;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

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

    .compare-table th {
      background: #f8fafd;
      font-size: 0.95rem;
      color: var(--dark-title);
      font-weight: 700;
    }

    .compare-table td {
      font-size: 0.9rem;
      color: var(--dark-text);
    }

    .compare-table tr:hover td {
      background: #fbfdff;
    }

    .highlight-cell {
      background: #f0f7ff;
      color: var(--primary);
      font-weight: 700;
    }

    /* Token 比价与需求匹配表单 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 40px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      text-align: center;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      position: relative;
    }

    .token-flag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      padding: 2px 14px;
      font-size: 0.75rem;
      border-radius: 12px;
      font-weight: 600;
    }

    .token-model-name {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      margin: 12px 0;
    }

    .token-official {
      font-size: 0.85rem;
      color: #94a3b8;
      text-decoration: line-through;
      margin-bottom: 16px;
    }

    .form-wrapper {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      padding: 40px;
      max-width: 860px;
      margin: 0 auto;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-full {
      grid-column: span 2;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--dark-title);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      color: var(--dark-text);
      background: #fdfdfd;
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.15);
      background: #ffffff;
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: var(--primary);
      color: #ffffff;
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 15px rgba(0, 82, 217, 0.25);
    }

    .btn-submit:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(0, 82, 217, 0.35);
    }

    /* 6 条用户评论 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .test-card {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .test-content {
      font-size: 0.92rem;
      color: var(--dark-text);
      line-height: 1.6;
      margin-bottom: 20px;
      position: relative;
    }

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

    .test-avatar {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .test-info h5 {
      font-size: 0.95rem;
      color: var(--dark-title);
    }

    .test-info span {
      font-size: 0.8rem;
      color: var(--muted-text);
    }

    /* FAQ 手风琴 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--dark-title);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 400;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s ease;
      background: #fafcff;
      border-top: 1px solid transparent;
      padding: 0 24px;
      color: var(--dark-text);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      padding: 16px 24px;
      border-top-color: var(--border-color);
    }

    /* 行业资讯 & 最新文章 */
    .news-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }

    .article-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--card-shadow);
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-links-list li a {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 14px;
      background: #f8fafd;
      border-radius: 6px;
      font-size: 0.92rem;
      color: var(--dark-title);
      border: 1px solid transparent;
    }

    .article-links-list li a:hover {
      border-color: var(--primary);
      background: #ffffff;
      color: var(--primary);
    }

    .wiki-sidebar {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 24px;
    }

    .wiki-sidebar h4 {
      font-size: 1.1rem;
      color: var(--dark-title);
      margin-bottom: 16px;
      border-left: 3px solid var(--primary);
      padding-left: 8px;
    }

    /* 加盟代理与网络 */
    .agent-box {
      background: linear-gradient(135deg, #0a1f44 0%, #0052d9 100%);
      color: #ffffff;
      border-radius: 16px;
      padding: 44px;
      box-shadow: 0 16px 36px rgba(0, 82, 217, 0.2);
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .agent-left h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.25;
    }

    .agent-left p {
      font-size: 1rem;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }

    .perk-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: #ffffff;
    }

    .perk-dot {
      width: 6px;
      height: 6px;
      background: #00c5c8;
      border-radius: 50%;
    }

    .agent-contact-card {
      background: #ffffff;
      color: var(--dark-text);
      padding: 26px;
      border-radius: 12px;
      text-align: center;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    }

    .qr-wrap {
      width: 140px;
      height: 140px;
      margin: 0 auto 12px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      padding: 6px;
      background: #ffffff;
    }

    .qr-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* 底部收尾统一 */
    .site-footer {
      background: #0a1f44;
      color: #cbd5e1;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.3rem;
      margin-bottom: 14px;
      font-weight: 800;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.6;
      color: #94a3b8;
      margin-bottom: 16px;
    }

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

    .footer-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-list li,
    .footer-list a {
      color: #94a3b8;
      font-size: 0.88rem;
    }

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

    .friend-links-box {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-top: 20px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      color: #ffffff;
      font-weight: 600;
      margin-bottom: 10px;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links a {
      color: #94a3b8;
      font-size: 0.85rem;
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-top: 30px;
      text-align: center;
      font-size: 0.82rem;
      color: #64748b;
    }

    /* 悬浮客服面板 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .kefu-btn {
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(0, 82, 217, 0.4);
      cursor: pointer;
      position: relative;
      transition: var(--transition);
    }

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

    .kefu-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 16px;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-color);
      display: none;
      width: 180px;
      text-align: center;
    }

    .kefu-btn:hover .kefu-popover {
      display: block;
    }

    .kefu-popover img {
      width: 100%;
      border-radius: 6px;
      margin-bottom: 6px;
    }

    .kefu-popover span {
      font-size: 0.8rem;
      color: var(--dark-text);
      font-weight: 600;
    }

    .back-top {
      width: 50px;
      height: 50px;
      background: #ffffff;
      color: var(--dark-title);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      cursor: pointer;
      border: 1px solid var(--border-color);
      font-weight: bold;
      transition: var(--transition);
    }

    .back-top:hover {
      background: var(--primary-light);
      color: var(--primary);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .scene-grid,
      .testimonial-grid,
      .token-grid,
      .case-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solutions-tabs {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .agent-box {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 16px;
      }
      .nav-action {
        display: none;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .hero-subtitle {
        font-size: 1rem;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .metric-item:nth-child(2)::after {
        display: none;
      }
      .about-grid,
      .scene-grid,
      .testimonial-grid,
      .token-grid,
      .case-grid,
      .solutions-tabs,
      .news-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-full {
        grid-column: span 1;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .compare-score-banner {
        flex-direction: column;
        text-align: center;
      }
    }