:root {
      --primary: #059669;
      --primary-dark: #047857;
      --primary-deep: #064e3b;
      --primary-light: #10b981;
      --primary-subtle: #ecfdf5;
      --accent: #10b981;
      --dark: #0f172a;
      --dark-muted: #334155;
      --text: #1e293b;
      --text-muted: #64748b;
      --bg: #f8fafc;
      --bg-alt: #f1f5f9;
      --card-bg: #ffffff;
      --border: #e2e8f0;
      --radius: 12px;
      --shadow: 0 4px 20px -2px rgba(16, 185, 129, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 12px 28px -4px rgba(5, 150, 105, 0.16);
      --container-w: 1200px;
      --transition: all 0.25s ease-in-out;
    }

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

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

    body {
      background-color: var(--bg);
      color: var(--text);
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-alt);
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-subtle);
      color: var(--primary-dark);
      border: 1px solid rgba(16, 185, 129, 0.2);
      font-size: 13px;
      font-weight: 600;
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      border: none;
      transition: var(--transition);
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3);
    }

    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(5, 150, 105, 0.4);
    }

    .btn-outline {
      background-color: #ffffff;
      color: var(--primary);
      border: 1px solid var(--primary);
    }

    .btn-outline:hover {
      background-color: var(--primary-subtle);
      transform: translateY(-2px);
    }

    .btn-light {
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .btn-light:hover {
      background: #ffffff;
      color: var(--primary-dark);
    }

    /* 顶部导航 */
    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      height: 72px;
      display: flex;
      align-items: center;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }

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

    .brand-logo-wrap {
      max-height: 42px;
      display: flex;
      align-items: center;
    }

    .brand-logo-wrap img {
      max-height: 40px;
      width: auto;
    }

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

    .nav-links a {
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--dark-muted);
      border-radius: 6px;
    }

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

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

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--dark);
      cursor: pointer;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 90px 0 80px;
      background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #e6fcf0 100%);
      border-bottom: 1px solid #d1fae5;
      text-align: center;
      position: relative;
    }

    .hero-content {
      max-width: 860px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background-color: #ffffff;
      color: var(--primary-dark);
      border: 1px solid #a7f3d0;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(5, 150, 105, 0.08);
      margin-bottom: 24px;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      color: #064e3b;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--dark-muted);
      line-height: 1.7;
      margin-bottom: 34px;
    }

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

    .hero-cta-group .btn-highlight {
      background-color: #047857;
      color: #ffffff;
      font-size: 16px;
      padding: 14px 32px;
      box-shadow: 0 6px 20px rgba(4, 120, 87, 0.35);
    }

    .hero-cta-group .btn-highlight:hover {
      background-color: #064e3b;
      transform: translateY(-2px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid #d1fae5;
      box-shadow: 0 2px 10px rgba(5, 150, 105, 0.05);
      transition: var(--transition);
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #6ee7b7;
    }

    .stat-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

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

    /* 平台支持的大模型标签云 */
    .models-bar {
      padding: 30px 0;
      background: #ffffff;
      border-bottom: 1px solid var(--border);
    }

    .models-title {
      text-align: center;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
      max-width: 1080px;
      margin: 0 auto;
    }

    .tag-item {
      padding: 5px 12px;
      background: #f8fafc;
      border: 1px solid var(--border);
      border-radius: 6px;
      font-size: 12px;
      font-weight: 500;
      color: var(--dark-muted);
      transition: var(--transition);
    }

    .tag-item:hover {
      background: var(--primary-subtle);
      border-color: #6ee7b7;
      color: var(--primary-dark);
      transform: translateY(-2px);
    }

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

    .about-text h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .about-text p {
      color: var(--dark-muted);
      font-size: 15px;
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #ffffff;
      padding: 14px;
      border-radius: 8px;
      border: 1px solid var(--border);
    }

    .feature-icon {
      width: 22px;
      height: 22px;
      color: var(--primary);
      flex-shrink: 0;
      margin-top: 2px;
    }

    .feature-item h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 4px;
    }

    .feature-item p {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.4;
    }

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

    .media-preview-inner {
      border-radius: 8px;
      overflow: hidden;
      aspect-ratio: 16/10;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .media-preview-inner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 场景卡片网格 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 28px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #a7f3d0;
    }

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

    .service-icon-wrap {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--primary-subtle);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark);
    }

    .service-card p {
      font-size: 14px;
      color: var(--dark-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .sub-tag {
      font-size: 11px;
      padding: 3px 8px;
      background: var(--bg-alt);
      border-radius: 4px;
      color: var(--text-muted);
    }

    /* 一站式制作全景 */
    .all-in-one-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .aio-card {
      background: #ffffff;
      border-radius: 10px;
      padding: 20px;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .aio-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow);
    }

    .aio-card h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .aio-card h4::before {
      content: "";
      width: 6px;
      height: 14px;
      background: var(--primary);
      border-radius: 3px;
      display: inline-block;
    }

    .aio-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测板块 */
    .compare-container {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .rating-banner {
      background: linear-gradient(135deg, #059669 0%, #047857 100%);
      color: #ffffff;
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .rating-info {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-circle {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.2);
      border: 2px solid #a7f3d0;
      border-radius: 50%;
      width: 76px;
      height: 76px;
    }

    .score-circle .score {
      font-size: 26px;
      font-weight: 800;
      line-height: 1;
    }

    .score-circle .max {
      font-size: 10px;
      opacity: 0.85;
    }

    .rating-texts h4 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .rating-stars {
      color: #fde047;
      font-size: 18px;
      letter-spacing: 2px;
    }

    .compare-table-wrap {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th,
    .compare-table td {
      padding: 16px 24px;
      border-bottom: 1px solid var(--border);
      font-size: 14px;
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 600;
      color: var(--dark);
    }

    .compare-table tr:hover td {
      background: #f0fdf4;
    }

    .compare-table td.highlight {
      color: var(--primary-dark);
      font-weight: 600;
      background: #f0fdf4;
    }

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

    .token-card {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 30px 24px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      text-align: center;
      transition: var(--transition);
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 10px 30px rgba(5, 150, 105, 0.15);
    }

    .featured-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
    }

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

    .token-price {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }

    .token-price span {
      font-size: 14px;
      font-weight: normal;
      color: var(--text-muted);
    }

    .token-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 38px;
    }

    .token-features {
      text-align: left;
      margin-bottom: 28px;
      border-top: 1px solid var(--border);
      padding-top: 18px;
    }

    .token-features li {
      font-size: 13px;
      color: var(--dark-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .token-features li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

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

    .step-item {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 24px 20px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      position: relative;
    }

    .step-number {
      font-size: 32px;
      font-weight: 800;
      color: #cbd5e1;
      margin-bottom: 8px;
      line-height: 1;
    }

    .step-item:hover .step-number {
      color: var(--primary-light);
    }

    .step-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示区 */
    .cases-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);
      box-shadow: var(--shadow);
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .case-image-container {
      width: 100%;
      aspect-ratio: 16/9;
      background-color: var(--bg-alt);
      overflow: hidden;
    }

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

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

    .case-info {
      padding: 20px;
    }

    .case-info h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 12px;
    }

    .case-metric {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-subtle);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
    }

    /* 客户评价板块 (6条评论) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-text {
      font-size: 14px;
      color: var(--dark-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: italic;
    }

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

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-subtle);
      color: var(--primary-dark);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .reviewer-info h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark);
    }

    .reviewer-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 行业资讯/文章列表 */
    .articles-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .article-box {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 24px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .article-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border);
    }

    .article-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-link-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--dark-muted);
      padding: 8px 12px;
      border-radius: 6px;
      background: var(--bg);
      transition: var(--transition);
    }

    .article-link-item:hover {
      background: var(--primary-subtle);
      color: var(--primary-dark);
      transform: translateX(4px);
    }

    .article-link-item span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 80%;
    }

    /* 加盟代理板块 */
    .agency-banner {
      background: linear-gradient(135deg, #064e3b 0%, #047857 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 48px;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 32px;
      align-items: center;
      box-shadow: 0 10px 30px rgba(6, 78, 59, 0.25);
    }

    .agency-content h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .agency-content p {
      font-size: 15px;
      color: #d1fae5;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .agency-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .agency-point-item {
      background: rgba(255, 255, 255, 0.1);
      padding: 10px 14px;
      border-radius: 6px;
      font-size: 13px;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .agency-action {
      text-align: center;
      background: #ffffff;
      padding: 30px;
      border-radius: 12px;
      color: var(--dark);
    }

    .agency-action h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .agency-action p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

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

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

    .faq-item.active {
      border-color: #6ee7b7;
      box-shadow: 0 4px 12px rgba(5, 150, 105, 0.08);
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 15px;
      font-weight: 600;
      color: var(--dark);
      user-select: none;
    }

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

    .faq-icon {
      font-size: 18px;
      transition: transform 0.25s ease;
      color: var(--primary);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 24px;
      background: #f8fafc;
      font-size: 14px;
      color: var(--dark-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 16px 24px;
      max-height: 300px;
      border-top: 1px solid #f1f5f9;
    }

    /* 需求匹配与联系我们表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 40px;
      box-shadow: var(--shadow);
    }

    .contact-info-panel h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .contact-info-panel p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 28px;
    }

    .info-meta-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      color: var(--dark-muted);
    }

    .info-meta-row strong {
      color: var(--dark);
      min-width: 70px;
    }

    .qr-box {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 16px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      max-width: 170px;
      text-align: center;
    }

    .qr-box img {
      width: 130px;
      height: 130px;
      object-fit: contain;
      margin-bottom: 8px;
      background: #ffffff;
    }

    .qr-box span {
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 表单组件 */
    .form-container {
      background: #fafafa;
      padding: 30px;
      border-radius: 10px;
      border: 1px solid var(--border);
    }

    .form-container h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 18px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--dark-muted);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 10px 14px;
      font-size: 14px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: #ffffff;
      color: var(--text);
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

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

    /* 浮动客服入口 */
    .floating-support {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary-dark);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      font-size: 20px;
    }

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

    /* 底部通用区域 */
    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 60px 0 30px;
      font-size: 13px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .footer-col p {
      color: #94a3b8;
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: #94a3b8;
    }

    .footer-links a:hover {
      color: #10b981;
    }

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

    .friend-links-title {
      font-size: 13px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      color: #94a3b8;
      font-size: 12px;
    }

    .friend-links-list a:hover {
      color: #10b981;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      color: #64748b;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .all-in-one-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .cases-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .agency-banner {
        grid-template-columns: 1fr;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .header {
        height: 64px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid var(--border);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 16px;
      }
      .nav-actions .btn {
        display: none;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .section-title {
        font-size: 26px;
      }
      .service-grid {
        grid-template-columns: 1fr;
      }
      .all-in-one-grid {
        grid-template-columns: 1fr;
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .feature-list {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .rating-banner {
        flex-direction: column;
        text-align: center;
      }
      .rating-info {
        flex-direction: column;
      }
    }