:root {
      --primary: #4338ca;
      --primary-light: #6366f1;
      --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      --surface-gradient: linear-gradient(135deg, #f8fafc 0%, #eff6ff 50%, #fdf2f8 100%);
      --accent-cyan: #06b6d4;
      --accent-amber: #f59e0b;
      --accent-rose: #f43f5e;
      --accent-emerald: #10b981;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-sub: #64748b;
      --bg-main: #fcfdfe;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-focus: #818cf8;
      --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
      --shadow-lg: 0 10px 15px -3px rgba(15,23,42,0.08), 0 4px 6px -4px rgba(15,23,42,0.04);
      --shadow-xl: 0 20px 25px -5px rgba(15,23,42,0.1), 0 8px 10px -6px rgba(15,23,42,0.04);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(236, 72, 153, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
      background-attachment: fixed;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      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, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }

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

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

    .logo-box {
      max-height: 44px;
      display: flex;
      align-items: center;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-title-wrap {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: #1e1b4b;
      letter-spacing: -0.02em;
      line-height: 1.2;
    }

    .brand-tagline {
      font-size: 0.72rem;
      color: var(--text-sub);
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      display: block;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      border-radius: 9999px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
      white-space: nowrap;
    }

    .btn-sm {
      padding: 6px 16px;
      font-size: 0.85rem;
    }

    .btn-md {
      padding: 10px 22px;
      font-size: 0.95rem;
    }

    .btn-lg {
      padding: 14px 30px;
      font-size: 1.05rem;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    }

    .btn-primary:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    }

    .btn-outline {
      border-color: #cbd5e1;
      background: #ffffff;
      color: var(--text-main);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #f8fafc;
      transform: translateY(-2px);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 区域统一结构 */
    .section-spacing {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 48px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.8rem;
      font-weight: 600;
      border-radius: 9999px;
      background: rgba(99, 102, 241, 0.1);
      color: var(--primary);
      margin-bottom: 12px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
      letter-spacing: -0.02em;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 70px 0 60px 0;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(238, 242, 255, 0.5) 0%, rgba(252, 253, 254, 0.2) 100%);
    }

    .hero-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .hero-announcement {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #e0e7ff;
      padding: 6px 18px;
      border-radius: 9999px;
      font-size: 0.85rem;
      color: #3730a3;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-announcement-tag {
      background: var(--primary-gradient);
      color: #fff;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 9999px;
    }

    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
      color: #0f172a;
      max-width: 900px;
    }

    .text-gradient {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-p {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto 34px auto;
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 44px;
    }

    /* 首屏数据指标卡片群（首屏无图，纯CSS构型） */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      width: 100%;
      margin-top: 10px;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 22px 18px;
      text-align: left;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--primary-gradient);
      opacity: 0.9;
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }

    .metric-num {
      font-size: 2.1rem;
      font-weight: 800;
      color: #1e1b4b;
      line-height: 1;
      margin-bottom: 8px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .metric-num span {
      font-size: 1.1rem;
      color: var(--primary);
    }

    .metric-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .metric-sub {
      font-size: 0.8rem;
      color: var(--text-sub);
    }

    /* 平台矩阵标签条 */
    .model-pills-bar {
      margin-top: 40px;
      padding: 20px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      width: 100%;
      box-shadow: var(--shadow-sm);
    }

    .model-pills-title {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--text-sub);
      margin-bottom: 14px;
      text-align: center;
    }

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

    .model-chip {
      background: #f1f5f9;
      color: #334155;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 9999px;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: #e0e7ff;
      color: #3730a3;
      border-color: #c7d2fe;
    }

    /* 关于我们与平台介绍 */
    .about-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-xl);
      padding: 44px;
      box-shadow: var(--shadow-sm);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #0f172a;
      line-height: 1.35;
    }

    .about-content p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 0.98rem;
      line-height: 1.75;
    }

    .feature-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }

    .feature-points li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #1e293b;
    }

    .feature-points li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: #dcfce7;
      color: #15803d;
      border-radius: 50%;
      font-size: 0.75rem;
      font-weight: bold;
    }

    .about-media-box {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .about-media-box .ai-page-image {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
    }

    /* AIGC 服务与场景网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 26px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #c7d2fe;
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(79,70,229,0.1), rgba(236,72,153,0.1));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 18px;
      color: var(--primary);
    }

    .service-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-tag {
      font-size: 0.72rem;
      padding: 2px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #475569;
      font-weight: 500;
    }

    /* 斑斓彩调亮点卡片条 */
    .highlight-strip {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #4338ca 100%);
      border-radius: var(--radius-xl);
      padding: 40px;
      color: #ffffff;
      margin-top: 40px;
      box-shadow: var(--shadow-lg);
    }

    .highlight-strip-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .highlight-item h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #fbbf24;
    }

    .highlight-item p {
      font-size: 0.88rem;
      color: #e2e8f0;
      line-height: 1.6;
    }

    /* 标准流程与全自动创作 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 24px 20px;
      position: relative;
      transition: var(--transition);
    }

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

    .process-step-num {
      width: 36px;
      height: 36px;
      background: var(--primary-gradient);
      color: #fff;
      font-size: 0.95rem;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .process-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .process-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例展示画廊 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .case-img-wrap {
      background: #f1f5f9;
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/9;
    }

    .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-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .case-category {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
      flex-grow: 1;
    }

    .case-stats {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
      font-size: 0.82rem;
      color: var(--text-sub);
    }

    /* 对比评测模块 */
    .compare-container {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-xl);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .compare-badge-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #eef2ff 0%, #fae8ff 100%);
      padding: 18px 24px;
      border-radius: var(--radius-md);
      margin-bottom: 28px;
      border: 1px solid #c7d2fe;
    }

    .rating-text {
      font-size: 1.05rem;
      font-weight: 700;
      color: #312e81;
    }

    .rating-score {
      font-size: 1.35rem;
      font-weight: 900;
      color: #ec4899;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #e2e8f0;
    }

    .compare-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }

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

    .col-highlight {
      background: rgba(99, 102, 241, 0.03);
      font-weight: 600;
      color: #1e1b4b;
    }

    .cell-tag {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 700;
    }

    .tag-win {
      background: #dcfce7;
      color: #166534;
    }

    .tag-normal {
      background: #f1f5f9;
      color: #64748b;
    }

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

    .token-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 28px;
      text-align: center;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.2);
    }

    .token-flag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-gradient);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 14px;
      border-radius: 9999px;
    }

    .token-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .token-price span {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-sub);
    }

    .token-subinfo {
      font-size: 0.85rem;
      color: #059669;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .token-specs {
      list-style: none;
      text-align: left;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .token-specs li {
      padding: 8px 0;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.88rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 需求匹配与联系我们（表单区） */
    .contact-wrapper {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-xl);
      overflow: hidden;
      display: grid;
      grid-template-columns: 5fr 4fr;
      box-shadow: var(--shadow-lg);
    }

    .form-panel {
      padding: 44px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--border-focus);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

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

    .info-panel {
      background: linear-gradient(145deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .info-panel h3 {
      font-size: 1.45rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .info-panel p {
      font-size: 0.9rem;
      color: #cbd5e1;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
      font-size: 0.92rem;
      color: #e2e8f0;
    }

    .contact-item strong {
      color: #93c5fd;
      min-width: 70px;
    }

    .qr-box {
      margin-top: 20px;
      background: rgba(255,255,255,0.08);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255,255,255,0.12);
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .qr-box img {
      width: 80px;
      height: 80px;
      border-radius: var(--radius-sm);
      background: #ffffff;
      padding: 4px;
    }

    .qr-text {
      font-size: 0.85rem;
      color: #cbd5e1;
      line-height: 1.5;
    }

    /* 用户评论卡片（6条） */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .testi-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .testi-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }

    .testi-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #e0e7ff, #fbcfe8);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      font-size: 1rem;
    }

    .testi-name {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .testi-role {
      font-size: 0.78rem;
      color: var(--text-sub);
    }

    .testi-quote {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      font-style: normal;
    }

    .testi-stars {
      color: #f59e0b;
      font-size: 0.85rem;
      margin-top: 12px;
    }

    /* FAQ 手风琴 */
    .faq-wrapper {
      max-width: 920px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

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

    .faq-question {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #f8fafc;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-top-color: #f1f5f9;
    }

    .faq-answer-inner {
      padding: 18px 22px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 行业资讯与文章列表短代码展示区 */
    .articles-block {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-xl);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid #f1f5f9;
    }

    .art-badge-link {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 8px 16px;
      border-radius: var(--radius-md);
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 500;
      transition: var(--transition);
    }

    .art-badge-link:hover {
      background: #eef2ff;
      border-color: #c7d2fe;
    }

    /* 加盟代理与商业合作 */
    .agent-banner {
      background: linear-gradient(135deg, #312e81 0%, #4338ca 50%, #6366f1 100%);
      border-radius: var(--radius-xl);
      padding: 50px 40px;
      color: #ffffff;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .agent-banner h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .agent-banner p {
      font-size: 1.05rem;
      color: #e0e7ff;
      max-width: 720px;
      margin: 0 auto 30px auto;
      line-height: 1.6;
    }

    .agent-benefits {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 900px;
      margin: 0 auto 34px auto;
    }

    .agent-b-card {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .agent-b-card h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #fbbf24;
      margin-bottom: 6px;
    }

    .agent-b-card p {
      font-size: 0.8rem;
      color: #e2e8f0;
      margin-bottom: 0;
      line-height: 1.4;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #f8fafc;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

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

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

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

    .footer-links li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .friendly-links-wrap a {
      color: #cbd5e1;
      font-size: 0.84rem;
      background: #1e293b;
      padding: 4px 12px;
      border-radius: 4px;
    }

    .friendly-links-wrap a:hover {
      background: #334155;
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.82rem;
      color: #64748b;
    }

    /* 浮动客服栏 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: var(--shadow-lg);
      border: 1px solid #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      cursor: pointer;
      position: relative;
      transition: var(--transition);
      font-size: 1.2rem;
    }

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

    .qr-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-xl);
      border: 1px solid #e2e8f0;
      display: none;
      width: 140px;
      text-align: center;
    }

    .qr-popover img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      display: block;
    }

    .qr-popover p {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 6px;
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .cases-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin: 0 auto;
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .agent-benefits {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .site-header {
        position: relative;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: var(--shadow-lg);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 10px 0;
        width: 100%;
        border-bottom: 1px solid #f1f5f9;
      }
      .nav-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 1.95rem;
      }
      .hero-metrics {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .cases-grid {
        grid-template-columns: 1fr;
      }
      .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .highlight-strip-grid {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .agent-benefits {
        grid-template-columns: 1fr;
      }
    }