:root {
      --primary-color: #6d28d9;
      --primary-hover: #5b21b6;
      --primary-light: #f5f3ff;
      --secondary-color: #ec4899;
      --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #9333ea 50%, #ec4899 100%);
      --light-gradient: linear-gradient(180deg, #faf7ff 0%, #f3edfd 100%);
      --text-main: #1f1738;
      --text-muted: #5e527f;
      --text-light: #7b6f9e;
      --bg-white: #ffffff;
      --bg-light: #faf8ff;
      --border-color: #e9e2f8;
      --card-border: #eee7fc;
      --box-shadow-sm: 0 4px 12px rgba(109, 40, 217, 0.05);
      --box-shadow: 0 10px 30px rgba(109, 40, 217, 0.08);
      --box-shadow-hover: 0 18px 40px rgba(109, 40, 217, 0.16);
      --container-width: 1200px;
      --border-radius: 12px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    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(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }

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

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-link-item a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: 8px;
    }

    .nav-link-item a:hover {
      color: var(--primary-color);
      background-color: var(--primary-light);
    }

    .nav-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 16px;
    }

    .btn-solid-nav {
      background: var(--accent-gradient);
      color: #ffffff !important;
      padding: 8px 18px;
      font-size: 14px;
      font-weight: 600;
      border-radius: 20px;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
    }

    .btn-solid-nav:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(124, 58, 237, 0.35);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }

    .mobile-menu-toggle svg {
      width: 26px;
      height: 26px;
      fill: currentColor;
    }

    /* 首屏 Hero 区域（严禁出现任何图片） */
    .hero-section {
      position: relative;
      padding: 88px 0 96px;
      background: radial-gradient(circle at 85% 15%, rgba(236, 72, 153, 0.12) 0%, transparent 45%),
                  radial-gradient(circle at 15% 30%, rgba(124, 58, 237, 0.15) 0%, transparent 55%),
                  var(--light-gradient);
      border-bottom: 1px solid var(--border-color);
      text-align: center;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid #d8b4fe;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-color);
      box-shadow: var(--box-shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    .hero-title {
      font-size: 46px;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      max-width: 900px;
      margin: 0 auto 20px;
      letter-spacing: -1px;
    }

    .hero-title-highlight {
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline;
    }

    .hero-subtitle {
      font-size: 18px;
      line-height: 1.6;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px;
    }

    .hero-action-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 54px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 15px 36px;
      font-size: 17px;
      font-weight: 700;
      color: #ffffff;
      background: var(--accent-gradient);
      border-radius: 30px;
      box-shadow: 0 10px 25px rgba(124, 58, 237, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: all 0.3s ease;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 30px rgba(124, 58, 237, 0.45);
      color: #ffffff;
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 15px 32px;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary-color);
      background: #ffffff;
      border: 1px solid #d8b4fe;
      border-radius: 30px;
      box-shadow: var(--box-shadow-sm);
      transition: all 0.3s ease;
    }

    .btn-hero-secondary:hover {
      background: var(--primary-light);
      border-color: var(--primary-color);
      transform: translateY(-3px);
    }

    /* 纯 CSS 首屏数据指标卡片组件 */
    .hero-stats-panel {
      max-width: 1040px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid #e9d5ff;
      border-radius: 16px;
      padding: 24px;
      box-shadow: var(--box-shadow);
    }

    .stat-item {
      text-align: center;
      padding: 8px;
      border-right: 1px solid #f3e8ff;
    }

    .stat-item:last-child {
      border-right: none;
    }

    .stat-number {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 13px;
      font-weight: 500;
      color: var(--text-muted);
    }

    /* 通用区块头 */
    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-color);
      background: #ede9fe;
      padding: 5px 14px;
      border-radius: 20px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 平台介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--text-main);
    }

    .intro-content p {
      color: var(--text-muted);
      font-size: 15px;
      margin-bottom: 20px;
      line-height: 1.8;
    }

    .intro-feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .intro-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .intro-feature-icon {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      border-radius: 6px;
      background: var(--primary-light);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    .intro-feature-text strong {
      display: block;
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .intro-feature-text span {
      font-size: 13px;
      color: var(--text-muted);
    }

    .intro-media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 16px;
      box-shadow: var(--box-shadow);
    }

    .intro-media-card img {
      border-radius: 8px;
      width: 100%;
      height: auto;
      display: block;
    }

    /* 多模型生态矩阵标签云 */
    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 32px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid #e9d5ff;
      padding: 8px 18px;
      border-radius: 24px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: 0 2px 6px rgba(109, 40, 217, 0.04);
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      border-color: var(--primary-color);
      background: var(--primary-light);
      color: var(--primary-color);
      transform: translateY(-2px);
    }

    /* AIGC 服务与场景网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--border-radius);
      padding: 28px;
      box-shadow: var(--box-shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--box-shadow-hover);
      border-color: #d8b4fe;
    }

    .service-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 11px;
      font-weight: 700;
      background: var(--primary-light);
      color: var(--primary-color);
      padding: 4px 10px;
      border-radius: 12px;
      margin-bottom: 16px;
    }

    .service-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-footer {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-color);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 一站式自动化制作流程 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 24px;
      text-align: center;
      position: relative;
      box-shadow: var(--box-shadow-sm);
      transition: all 0.3s ease;
    }

    .workflow-step:hover {
      transform: translateY(-4px);
      box-shadow: var(--box-shadow);
      border-color: var(--primary-color);
    }

    .step-index {
      width: 44px;
      height: 44px;
      background: var(--accent-gradient);
      color: #ffffff;
      font-size: 18px;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

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

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

    /* 行业方案展示 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--border-radius);
      padding: 32px;
      box-shadow: var(--box-shadow-sm);
      border-left: 4px solid var(--primary-color);
    }

    .industry-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .industry-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

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

    .industry-tags span {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 6px;
      color: var(--text-muted);
    }

    /* 对比评测核心板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fbf7ff 0%, #f5ecff 100%);
      border: 2px solid #d8b4fe;
      border-radius: 16px;
      padding: 32px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--box-shadow);
    }

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

    .eval-big-score {
      font-size: 52px;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 20px;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .eval-summary-text {
      font-size: 15px;
      color: var(--text-muted);
    }

    .eval-tag-badge {
      background: var(--accent-gradient);
      color: #ffffff;
      padding: 10px 24px;
      font-weight: 700;
      border-radius: 30px;
      font-size: 15px;
      box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      box-shadow: var(--box-shadow-sm);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

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

    .comparison-table th {
      background: #fbf9ff;
      color: var(--text-main);
      font-weight: 700;
    }

    .comparison-table td.brand-col {
      background: #fdfcff;
      font-weight: 700;
      color: var(--primary-color);
    }

    .comparison-table tr:last-child td {
      border-bottom: none;
    }

    /* 案例中心图文展示 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: var(--box-shadow-sm);
      transition: all 0.3s ease;
    }

    .case-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--box-shadow-hover);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #ede9fe;
      overflow: hidden;
    }

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

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

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

    .case-content {
      padding: 20px;
    }

    .case-cat {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 6px;
      display: block;
    }

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

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

    /* Token 比价与成本参考 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 28px;
      text-align: center;
      box-shadow: var(--box-shadow-sm);
      transition: all 0.3s ease;
    }

    .token-card:hover {
      border-color: var(--primary-color);
      transform: translateY(-4px);
      box-shadow: var(--box-shadow);
    }

    .token-model-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .token-official-price {
      font-size: 13px;
      color: var(--text-light);
      text-decoration: line-through;
      margin-bottom: 6px;
    }

    .token-platform-price {
      font-size: 26px;
      font-weight: 800;
      color: var(--secondary-color);
      margin-bottom: 14px;
    }

    .token-save-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: #10b981;
      background: #ecfdf5;
      padding: 4px 12px;
      border-radius: 12px;
      margin-bottom: 16px;
    }

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

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

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

    .testimonial-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f3e8ff;
      padding-top: 14px;
    }

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

    .user-info strong {
      display: block;
      font-size: 14px;
      color: var(--text-main);
    }

    .user-info span {
      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: 10px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-item.active {
      border-color: var(--primary-color);
      box-shadow: var(--box-shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-icon {
      font-size: 20px;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #faf8ff;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #6d28d9 0%, #4c1d95 100%);
      color: #ffffff;
      border-radius: 20px;
      padding: 56px 40px;
      text-align: center;
      position: relative;
      overflow: hidden;
      box-shadow: var(--box-shadow);
    }

    .agent-title {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agent-subtitle {
      font-size: 16px;
      color: #e9d5ff;
      max-width: 700px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      max-width: 900px;
      margin: 0 auto 40px;
      text-align: left;
    }

    .agent-perk-item {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 20px;
      border-radius: 12px;
      backdrop-filter: blur(5px);
    }

    .agent-perk-item h4 {
      font-size: 16px;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .agent-perk-item p {
      font-size: 13px;
      color: #e9d5ff;
      line-height: 1.6;
    }

    .btn-agent-cta {
      display: inline-block;
      background: #ffffff;
      color: var(--primary-color);
      font-weight: 800;
      padding: 14px 40px;
      border-radius: 30px;
      font-size: 16px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
      transition: all 0.3s ease;
    }

    .btn-agent-cta:hover {
      background: #faf5ff;
      transform: translateY(-3px);
    }

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

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

    .contact-info-panel h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .contact-info-panel p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .contact-detail-list {
      margin-bottom: 28px;
    }

    .contact-detail-item {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 14px;
      color: var(--text-main);
    }

    .contact-detail-label {
      font-weight: 700;
      color: var(--text-muted);
      width: 90px;
    }

    .qr-container {
      display: flex;
      align-items: center;
      gap: 20px;
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
    }

    .qr-img-box {
      width: 104px;
      height: 104px;
      border: 1px solid #e9d5ff;
      border-radius: 8px;
      padding: 4px;
      background: #ffffff;
      flex-shrink: 0;
    }

    .qr-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .qr-desc h5 {
      font-size: 15px;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qr-desc p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 0;
    }

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

    .form-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid #d8b4fe;
      border-radius: 8px;
      background: #faf8ff;
      color: var(--text-main);
      transition: all 0.2s ease;
      font-family: inherit;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.1);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 96px;
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      background: var(--accent-gradient);
      border: none;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
      transition: all 0.3s ease;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(124, 58, 237, 0.4);
    }

    /* 行业资讯与最新文章 */
    .article-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
    }

    .article-container {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
    }

    .article-post-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .article-item {
      padding: 16px;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      transition: all 0.2s ease;
      background: #faf8ff;
    }

    .article-item:hover {
      border-color: var(--primary-color);
      background: #ffffff;
      box-shadow: var(--box-shadow-sm);
    }

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

    .article-title-link:hover {
      color: var(--primary-color);
    }

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

    .article-side-links {
      background: #fbf9ff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 24px;
    }

    .side-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      padding-bottom: 8px;
      border-bottom: 2px solid #ede9fe;
    }

    .side-link-list li {
      margin-bottom: 10px;
    }

    .side-link-list a {
      font-size: 14px;
      color: var(--text-muted);
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .side-link-list a:hover {
      color: var(--primary-color);
      padding-left: 4px;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #181126;
      color: #d1c8e8;
      padding: 56px 0 24px;
      border-top: 1px solid #2f224a;
    }

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

    .footer-brand h4 {
      font-size: 20px;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 14px;
      color: #a497c6;
      line-height: 1.7;
      max-width: 420px;
      margin-bottom: 20px;
    }

    .footer-links-col h5 {
      font-size: 16px;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .footer-links-col ul li {
      margin-bottom: 8px;
    }

    .footer-links-col ul li a {
      font-size: 14px;
      color: #a497c6;
    }

    .footer-links-col ul li a:hover {
      color: #ffffff;
    }

    .friend-links-box {
      border-top: 1px solid #2d2149;
      padding-top: 24px;
      margin-bottom: 28px;
    }

    .friend-links-title {
      font-size: 14px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      font-size: 13px;
      color: #a497c6;
    }

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

    .footer-bottom {
      border-top: 1px solid #2d2149;
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: #7b6f9a;
    }

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

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #d8b4fe;
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(109, 40, 217, 0.2);
      cursor: pointer;
      transition: all 0.3s ease;
      font-size: 13px;
      font-weight: bold;
    }

    .float-btn:hover {
      background: var(--accent-gradient);
      color: #ffffff;
      transform: scale(1.08);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 36px;
      }
      .hero-stats-panel {
        grid-template-columns: repeat(2, 1fr);
      }
      .stat-item {
        border-right: none;
        border-bottom: 1px solid #f3e8ff;
      }
      .stat-item:nth-child(3),
      .stat-item:nth-child(4) {
        border-bottom: none;
      }
      .services-grid,
      .case-grid,
      .token-grid,
      .testimonials-grid,
      .workflow-timeline,
      .agent-perks {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .form-wrapper-grid,
      .article-container,
      .footer-top {
        grid-template-columns: 1fr;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-menu-wrapper {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
        display: none;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      }
      .nav-menu-wrapper.is-open {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
      }
      .nav-link-item {
        width: 100%;
      }
      .nav-link-item a {
        width: 100%;
        padding: 10px 0;
      }
      .nav-cta-group {
        margin-left: 0;
        margin-top: 14px;
        width: 100%;
      }
      .btn-solid-nav {
        display: block;
        text-align: center;
        width: 100%;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 28px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .section-title {
        font-size: 26px;
      }
      .services-grid,
      .case-grid,
      .token-grid,
      .testimonials-grid,
      .workflow-timeline,
      .agent-perks,
      .industry-grid {
        grid-template-columns: 1fr;
      }
      .hero-stats-panel {
        grid-template-columns: 1fr;
      }
      .stat-item {
        border-bottom: 1px solid #f3e8ff;
      }
      .eval-highlight-box {
        flex-direction: column;
        text-align: center;
      }
      .eval-score-wrap {
        flex-direction: column;
      }
      .qr-container {
        flex-direction: column;
        text-align: center;
      }
    }