:root {
      --primary-color: #ff5e36;
      --primary-gradient: linear-gradient(135deg, #ff416c 0%, #ff4b2b 40%, #ff8a00 100%);
      --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      --bg-soft-gradient: linear-gradient(180deg, #fff7f2 0%, #ffffff 400px);
      --card-gradient: linear-gradient(145deg, #ffffff 0%, #fff9f6 100%);
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: #f1e4de;
      --accent-color: #ff3366;
      --card-shadow: 0 10px 30px -5px rgba(255, 94, 54, 0.08), 0 4px 12px -2px rgba(0, 0, 0, 0.03);
      --card-hover-shadow: 0 20px 35px -5px rgba(255, 94, 54, 0.16), 0 8px 16px -4px rgba(0, 0, 0, 0.06);
      --container-width: 1200px;
      --border-radius: 16px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: #fcfbfa;
      background-image: 
        radial-gradient(at 10% 10%, rgba(255, 94, 54, 0.05) 0px, transparent 50%),
        radial-gradient(at 90% 20%, rgba(255, 65, 108, 0.04) 0px, transparent 50%),
        radial-gradient(at 50% 80%, rgba(102, 126, 234, 0.04) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      font-size: 15px;
      overflow-x: hidden;
    }

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

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

    /* 统一居中容器规范 */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(241, 228, 222, 0.8);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    }

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

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

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

    .brand-meta {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 19px;
      font-weight: 800;
      color: #1e293b;
      letter-spacing: -0.3px;
    }

    .brand-desc {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

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

    .nav-links li a {
      font-size: 14px;
      font-weight: 600;
      color: #334155;
      padding: 8px 14px;
      border-radius: 8px;
      transition: all 0.2s ease;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: #ff4b2b;
      background: rgba(255, 94, 54, 0.08);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-action-primary {
      background: var(--primary-gradient);
      color: #ffffff !important;
      font-weight: 600;
      font-size: 14px;
      padding: 9px 20px;
      border-radius: 30px;
      box-shadow: 0 6px 18px rgba(255, 75, 43, 0.3);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .btn-action-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(255, 75, 43, 0.4);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: #1e293b;
    }

    /* 区域公共样式 */
    .section-spacing {
      padding: 72px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 48px auto;
    }

    .badge-pill {
      display: inline-block;
      padding: 5px 14px;
      background: rgba(255, 94, 54, 0.1);
      color: #ff4b2b;
      border: 1px solid rgba(255, 94, 54, 0.2);
      border-radius: 30px;
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 12px;
      letter-spacing: 0.8px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.35;
      margin-bottom: 14px;
    }

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

    /* 首屏 Hero（严格无图片） */
    .hero-section {
      padding: 64px 0 80px 0;
      background: linear-gradient(180deg, #fff3ec 0%, #fff8f5 60%, #ffffff 100%);
      border-bottom: 1px solid #faece6;
      position: relative;
      overflow: hidden;
    }

    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-h1 {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin: 18px 0 20px 0;
      max-width: 900px;
      letter-spacing: -0.5px;
    }

    .hero-h1 span {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 18px;
      color: #475569;
      max-width: 780px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    .btn-hero-major {
      background: var(--primary-gradient);
      color: #ffffff !important;
      font-size: 17px;
      font-weight: 700;
      padding: 14px 34px;
      border-radius: 40px;
      box-shadow: 0 10px 28px rgba(255, 75, 43, 0.4);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-major:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 16px 36px rgba(255, 75, 43, 0.5);
    }

    .btn-hero-secondary {
      background: #ffffff;
      color: #1e293b;
      font-size: 16px;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: 40px;
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-secondary:hover {
      background: #f8fafc;
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }

    /* 首屏数据卡片矩阵 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      margin-top: 10px;
    }

    .stat-card-box {
      background: #ffffff;
      padding: 24px 20px;
      border-radius: 16px;
      border: 1px solid #fcefe9;
      box-shadow: 0 6px 20px rgba(255, 94, 54, 0.06);
      text-align: center;
      transition: transform 0.25s ease;
    }

    .stat-card-box:hover {
      transform: translateY(-4px);
    }

    .stat-num-row {
      font-size: 32px;
      font-weight: 900;
      color: #ff4b2b;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-name-label {
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
    }

    /* 平台介绍与能力矩阵 */
    .about-feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-clean-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 30px 26px;
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .feature-clean-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
      border-color: #ffd8cc;
    }

    .feature-icon-badge {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(255, 94, 54, 0.12), rgba(255, 65, 108, 0.08));
      color: #ff4b2b;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .feature-clean-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
    }

    .feature-clean-card p {
      font-size: 14px;
      color: #64748b;
      line-height: 1.65;
    }

    /* 标签云与聚合平台模型 */
    .model-tags-bar {
      background: #ffffff;
      border: 1px solid #fee8e0;
      padding: 24px;
      border-radius: 16px;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
      margin-top: 36px;
    }

    .model-tags-title {
      font-size: 14px;
      font-weight: 700;
      color: #334155;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .tag-cloud-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-chip {
      background: #fff5f0;
      color: #d93d1a;
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
      border: 1px solid #fedbd0;
      transition: all 0.2s ease;
    }

    .tag-chip:hover {
      background: var(--primary-gradient);
      color: #ffffff;
      border-color: transparent;
      transform: scale(1.05);
    }

    /* 一站式制作场景卡片网格 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-item {
      background: #ffffff;
      border: 1px solid #f2e7e1;
      border-radius: 14px;
      padding: 24px;
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
      position: relative;
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .scenario-item:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(255, 94, 54, 0.12);
      border-color: #ffcaa6;
    }

    .scenario-header-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .scenario-title {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
    }

    .scenario-tag {
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 6px;
      background: #fff0eb;
      color: #ff4b2b;
      font-weight: 600;
    }

    .scenario-desc {
      font-size: 13.5px;
      color: #64748b;
      line-height: 1.6;
    }

    /* 行业方案展示区域与配图 */
    .solution-block-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
      background: #ffffff;
      border-radius: 20px;
      padding: 36px;
      border: 1px solid #f5e9e2;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
    }

    .solution-content-side h3 {
      font-size: 24px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .solution-content-side p {
      font-size: 15px;
      color: #64748b;
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .solution-checklist {
      list-style: none;
      margin-bottom: 24px;
    }

    .solution-checklist li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 8px;
      font-size: 14px;
      color: #334155;
      font-weight: 500;
    }

    .solution-checklist li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: #ff4b2b;
      font-weight: bold;
    }

    .solution-media-side {
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    .solution-media-side img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .solution-media-side:hover img {
      transform: scale(1.03);
    }

    /* 流程步骤时间线 */
    .timeline-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid #f1e4de;
      border-radius: 14px;
      padding: 28px 20px;
      position: relative;
      text-align: center;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
    }

    .step-number-bubble {
      width: 44px;
      height: 44px;
      line-height: 44px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      font-weight: 800;
      font-size: 18px;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 12px rgba(255, 75, 43, 0.3);
    }

    .step-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 13px;
      color: #64748b;
      line-height: 1.6;
    }

    /* 案例中心展示（多图融入） */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .case-card-item {
      background: #ffffff;
      border: 1px solid #fae8e0;
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
      transition: all 0.25s ease;
    }

    .case-card-item:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px rgba(255, 94, 54, 0.12);
    }

    .case-img-wrap {
      height: 160px;
      overflow: hidden;
      background: #f8fafc;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .case-card-item:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-info-padding {
      padding: 16px;
    }

    .case-info-padding h4 {
      font-size: 15px;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 6px;
    }

    .case-info-padding p {
      font-size: 12.5px;
      color: #64748b;
      line-height: 1.5;
    }

    /* 对比评测表格与卡片 */
    .eval-highlight-banner {
      background: linear-gradient(135deg, #fff2eb 0%, #fff7f3 100%);
      border: 2px solid #ffdcd1;
      border-radius: 18px;
      padding: 32px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 36px;
    }

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

    .score-circle {
      width: 86px;
      height: 86px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(255, 75, 43, 0.35);
    }

    .score-circle .score-val {
      font-size: 28px;
      font-weight: 900;
      line-height: 1;
    }

    .score-circle .score-sub {
      font-size: 11px;
      opacity: 0.9;
    }

    .score-detail h3 {
      font-size: 22px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .score-stars {
      color: #ff9800;
      font-size: 18px;
      letter-spacing: 2px;
    }

    .score-extra {
      font-size: 14px;
      color: #475569;
      max-width: 450px;
    }

    .comparison-table-wrapper {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid #f1e4de;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    }

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

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f4ebe6;
      font-size: 14px;
    }

    .comparison-table th {
      background: #fff8f5;
      font-weight: 700;
      color: #1e293b;
    }

    .col-highlight {
      background: rgba(255, 94, 54, 0.04);
      color: #ff4b2b;
      font-weight: 700;
    }

    /* Token 比价板块 */
    .token-pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-tier-card {
      background: #ffffff;
      border: 1px solid #fae8e0;
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .token-tier-card.featured {
      border: 2px solid #ff5e36;
      box-shadow: 0 12px 30px rgba(255, 94, 54, 0.15);
      transform: scale(1.02);
    }

    .token-tier-card.featured::before {
      content: "极具性价比";
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary-gradient);
      color: #ffffff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 20px;
    }

    .token-tier-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .price-num-tag {
      font-size: 28px;
      font-weight: 900;
      color: #ff4b2b;
      margin-bottom: 16px;
    }

    .price-num-tag span {
      font-size: 13px;
      font-weight: 500;
      color: #64748b;
    }

    .tier-spec-list {
      list-style: none;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .tier-spec-list li {
      font-size: 13.5px;
      color: #475569;
      padding: 8px 0;
      border-bottom: 1px dashed #f0f0f0;
      display: flex;
      justify-content: space-between;
    }

    /* 客户评论板块（6条真实体验） */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-bubble-card {
      background: #ffffff;
      border: 1px solid #f2e6e0;
      border-radius: 16px;
      padding: 26px;
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.25s ease;
    }

    .review-bubble-card:hover {
      transform: translateY(-4px);
    }

    .review-stars {
      color: #ff9800;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .review-body-text {
      font-size: 14px;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: italic;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f5ede8;
      padding-top: 14px;
    }

    .reviewer-avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ffd8cc, #ffcaa6);
      color: #ff4b2b;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .reviewer-info-text h5 {
      font-size: 14px;
      font-weight: 700;
      color: #0f172a;
    }

    .reviewer-info-text span {
      font-size: 12px;
      color: #64748b;
    }

    /* 常见问题 FAQ 折叠面板 */
    .faq-container-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-accordion-item {
      background: #ffffff;
      border: 1px solid #f1e4de;
      border-radius: 12px;
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    }

    .faq-question-btn {
      width: 100%;
      padding: 18px 22px;
      text-align: left;
      background: none;
      border: none;
      outline: none;
      font-size: 15.5px;
      font-weight: 700;
      color: #1e293b;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s ease;
    }

    .faq-question-btn:hover {
      background: #fffbf9;
      color: #ff4b2b;
    }

    .faq-chevron {
      font-size: 18px;
      transition: transform 0.25s ease;
      color: #94a3b8;
    }

    .faq-accordion-item.active .faq-chevron {
      transform: rotate(180deg);
      color: #ff4b2b;
    }

    .faq-answer-panel {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fffcfb;
    }

    .faq-answer-content {
      padding: 0 22px 20px 22px;
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
    }

    /* 文章与资讯列表 */
    .articles-block-wrapper {
      background: #ffffff;
      border: 1px solid #f4e8e1;
      border-radius: 18px;
      padding: 36px;
      box-shadow: var(--card-shadow);
    }

    .article-links-container {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }

    .article-badge-link {
      background: #fff7f2;
      border: 1px solid #ffd8cc;
      color: #ff4b2b;
      font-size: 13px;
      font-weight: 600;
      padding: 8px 16px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
    }

    .article-badge-link:hover {
      background: var(--primary-gradient);
      color: #ffffff;
      border-color: transparent;
      transform: translateY(-2px);
    }

    /* 需求匹配与联系我们表单 */
    .form-contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: flex-start;
    }

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid #fae8e0;
      border-radius: 18px;
      padding: 36px;
      box-shadow: var(--card-shadow);
    }

    .contact-info-panel h3 {
      font-size: 22px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .contact-list-meta {
      list-style: none;
      margin-bottom: 24px;
    }

    .contact-list-meta li {
      font-size: 14px;
      color: #475569;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .qr-card-wrap {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      padding: 16px;
      background: #fff8f5;
      border: 1px solid #ffd8cc;
      border-radius: 14px;
      max-width: 170px;
    }

    .qr-card-wrap img {
      width: 130px;
      height: 130px;
      object-fit: contain;
      border-radius: 8px;
      margin-bottom: 8px;
    }

    .qr-card-wrap span {
      font-size: 12px;
      font-weight: 700;
      color: #ff4b2b;
    }

    .form-card-box {
      background: #ffffff;
      border: 1px solid #fae8e0;
      border-radius: 18px;
      padding: 36px;
      box-shadow: var(--card-shadow);
    }

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

    .form-label {
      display: block;
      font-size: 13.5px;
      font-weight: 700;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      outline: none;
      background: #fcfdfe;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      color: #1e293b;
    }

    .form-control:focus {
      border-color: #ff5e36;
      box-shadow: 0 0 0 3px rgba(255, 94, 54, 0.15);
      background: #ffffff;
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    .btn-submit-form {
      width: 100%;
      background: var(--primary-gradient);
      color: #ffffff;
      border: none;
      font-size: 16px;
      font-weight: 700;
      padding: 14px;
      border-radius: 10px;
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(255, 75, 43, 0.35);
      transition: all 0.25s ease;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 75, 43, 0.45);
    }

    /* 加盟代理板块 */
    .agent-highlight-card {
      background: linear-gradient(135deg, #fff7f2 0%, #ffffff 100%);
      border: 2px solid #fedacf;
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--card-shadow);
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .agent-perks-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin: 28px 0;
      text-align: left;
    }

    .agent-perk-item {
      background: #ffffff;
      padding: 20px;
      border-radius: 12px;
      border: 1px solid #f4e8e1;
    }

    .agent-perk-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .agent-perk-item p {
      font-size: 13px;
      color: #64748b;
      line-height: 1.5;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #f1e4de;
      padding: 48px 0 24px 0;
      color: #475569;
    }

    .footer-content-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
    }

    .footer-brand-side p {
      font-size: 13.5px;
      color: #64748b;
      margin-top: 12px;
      max-width: 380px;
      line-height: 1.6;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
    }

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list li a {
      font-size: 13.5px;
      color: #64748b;
    }

    .footer-links-list li a:hover {
      color: #ff4b2b;
    }

    .friend-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 24px;
      border-top: 1px solid #f4ebe6;
      margin-bottom: 24px;
      align-items: center;
    }

    .friend-links-label {
      font-size: 13px;
      font-weight: 700;
      color: #334155;
    }

    .friend-links-row a {
      font-size: 13px;
      color: #64748b;
      background: #fff8f5;
      border: 1px solid #fae8e0;
      padding: 4px 10px;
      border-radius: 6px;
      transition: all 0.2s ease;
    }

    .friend-links-row a:hover {
      background: #ff5e36;
      color: #ffffff;
      border-color: #ff5e36;
    }

    .footer-bottom-copyright {
      text-align: center;
      padding-top: 20px;
      border-top: 1px solid #f8efea;
      font-size: 12.5px;
      color: #94a3b8;
    }

    /* 悬浮客服与返回顶部 */
    .floating-widget-bar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-circle-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #fcebe4;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ff4b2b;
      cursor: pointer;
      font-weight: 700;
      font-size: 13px;
      transition: all 0.25s ease;
      text-decoration: none;
    }

    .float-circle-btn:hover {
      background: var(--primary-gradient);
      color: #ffffff;
      transform: translateY(-3px);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-feature-grid,
      .scenario-grid,
      .token-pricing-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cases-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid #f1e4de;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 12px;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .hero-lead {
        font-size: 15px;
      }
      .about-feature-grid,
      .scenario-grid,
      .token-pricing-grid,
      .testimonials-grid,
      .hero-stats-grid,
      .timeline-steps-grid,
      .cases-grid,
      .form-contact-layout,
      .solution-block-grid,
      .agent-perks-grid,
      .footer-content-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-banner {
        flex-direction: column;
        text-align: center;
      }
      .eval-score-badge {
        flex-direction: column;
      }
      .section-spacing {
        padding: 48px 0;
      }
    }