:root {
      --primary: #4f46e5;
      --primary-dark: #3730a3;
      --accent-cyan: #06b6d4;
      --accent-pink: #ec4899;
      --accent-orange: #f97316;
      --accent-violet: #8b5cf6;
      --accent-emerald: #10b981;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-glow: rgba(79, 70, 229, 0.18);
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 35px -8px rgba(79, 70, 229, 0.12), 0 12px 16px -8px rgba(15, 23, 42, 0.06);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      background-image: 
        radial-gradient(at 10% 10%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
        radial-gradient(at 90% 20%, rgba(236, 72, 153, 0.07) 0px, transparent 45%),
        radial-gradient(at 50% 60%, rgba(6, 182, 212, 0.06) 0px, transparent 50%),
        radial-gradient(at 80% 90%, rgba(249, 115, 22, 0.06) 0px, transparent 40%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .ai-container {
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
      width: 100%;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

    .brand-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      height: 44px;
    }

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

    .ai-page-home-link {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary);
      text-decoration: none;
      padding: 6px 14px;
      background: rgba(79, 70, 229, 0.08);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .ai-page-home-link:hover {
      background: var(--primary);
      color: #fff;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      white-space: nowrap;
    }

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

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

    .btn-main-site {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 20px;
      font-size: 14px;
      font-weight: 600;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }

    .btn-main-site:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 通用版块标题 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

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

    .section-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(236, 72, 153, 0.12));
      border: 1px solid rgba(79, 70, 229, 0.2);
      padding: 5px 16px;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }

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

    /* Hero 首屏 (无图片) */
    .hero-section {
      padding: 80px 0 90px 0;
      position: relative;
      text-align: center;
    }

    .hero-content {
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid #e0e7ff;
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 600;
      color: #4338ca;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
      margin-bottom: 24px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
    }

    .hero-title {
      font-size: 46px;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      letter-spacing: -0.5px;
      margin-bottom: 22px;
    }

    .hero-highlight {
      background: linear-gradient(135deg, #4f46e5 10%, #ec4899 50%, #f97316 90%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 19px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.65;
    }

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

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 10px 25px rgba(124, 58, 237, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 30px rgba(236, 72, 153, 0.45);
    }

    .btn-hero-secondary {
      padding: 14px 30px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    /* 纯 CSS 视觉数据指标板 (首屏替代图) */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .hero-stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--accent-cyan), var(--primary), var(--accent-pink));
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .stat-number {
      font-size: 32px;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-unit {
      font-size: 18px;
      color: var(--primary);
      margin-left: 2px;
    }

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

    /* 支持模型滚动/标签云 */
    .model-pills-wrap {
      margin-top: 40px;
      padding: 20px 24px;
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
    }

    .model-pills-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

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

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

    .model-pill:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      transform: scale(1.05);
    }

    .model-pill.hot {
      background: #eff6ff;
      color: #2563eb;
      border-color: #bfdbfe;
    }

    .model-pill.ultra {
      background: #fdf2f8;
      color: #db2777;
      border-color: #fbcfe8;
    }

    /* 关于我们 / 平台介绍 */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }

    .platform-text-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .platform-text-block h3 {
      font-size: 24px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .platform-text-block p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
    }

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

    .feature-check-item {
      font-size: 14px;
      font-weight: 600;
      color: #1e293b;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .feature-check-item span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: rgba(16, 185, 129, 0.15);
      color: #059669;
      border-radius: 50%;
      font-size: 12px;
    }

    .platform-highlight-card {
      background: linear-gradient(145deg, #1e1b4b, #312e81);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .platform-highlight-card h4 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 14px;
      color: #e0e7ff;
    }

    .platform-highlight-card p {
      font-size: 14px;
      color: #c7d2fe;
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .highlight-capsules {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .highlight-capsule-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 12px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .highlight-capsule-item strong {
      font-size: 14px;
      color: #ffffff;
    }

    .highlight-capsule-item span {
      font-size: 12px;
      color: #a5b4fc;
      background: rgba(0, 0, 0, 0.2);
      padding: 3px 10px;
      border-radius: var(--radius-full);
    }

    /* AIGC 服务矩阵 & 一站式制作 */
    .service-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      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: rgba(79, 70, 229, 0.4);
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .icon-indigo { background: #e0e7ff; color: #4338ca; }
    .icon-pink { background: #fce7f3; color: #be185d; }
    .icon-cyan { background: #cffafe; color: #0e7490; }
    .icon-orange { background: #ffedd5; color: #c2410c; }
    .icon-emerald { background: #d1fae5; color: #047857; }
    .icon-violet { background: #ede9fe; color: #6d28d9; }

    .service-card-title {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .service-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-card-tag {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      background: #f5f3ff;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      align-self: flex-start;
    }

    /* 行业解决方案卡片 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .industry-head {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .industry-icon {
      font-size: 26px;
    }

    .industry-title {
      font-size: 19px;
      font-weight: 700;
      color: #0f172a;
    }

    .industry-point-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-top: 14px;
    }

    .industry-point-item {
      font-size: 13.5px;
      color: var(--text-muted);
      display: flex;
      align-items: flex-start;
      gap: 8px;
      line-height: 1.5;
    }

    .industry-point-item::before {
      content: "•";
      color: var(--primary);
      font-weight: bold;
      font-size: 16px;
    }

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

    .process-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .step-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-violet));
      color: #ffffff;
      font-weight: 800;
      font-size: 14px;
      margin-bottom: 16px;
    }

    .process-title {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .process-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 案例展示区 (含素材图) */
    .showcase-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 30px;
    }

    .showcase-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .showcase-media-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

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

    .showcase-body {
      padding: 24px;
    }

    .showcase-tag {
      font-size: 12px;
      font-weight: 600;
      color: #0284c7;
      background: #e0f2fe;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 10px;
    }

    .showcase-title {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .showcase-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .banner-gallery-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banner-gallery-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .banner-gallery-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 对比评测 板块 (评测与评分) */
    .review-score-hero {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #4338ca 100%);
      border-radius: var(--radius-lg);
      padding: 40px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-lg);
      margin-bottom: 30px;
    }

    .review-score-left {
      max-width: 600px;
    }

    .review-score-left h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .review-score-left p {
      font-size: 15px;
      color: #c7d2fe;
      line-height: 1.65;
    }

    .review-score-badge-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 20px 30px;
      backdrop-filter: blur(10px);
    }

    .score-stars {
      color: #fbbf24;
      font-size: 24px;
      letter-spacing: 2px;
    }

    .score-number-main {
      font-size: 48px;
      font-weight: 900;
      line-height: 1;
      color: #fbbf24;
    }

    .score-total {
      font-size: 16px;
      color: #e0e7ff;
      margin-left: 2px;
    }

    .comparison-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

    .comparison-table th {
      background: #f8fafc;
      color: #334155;
      font-weight: 700;
    }

    .comparison-table tr:hover td {
      background: #fafafa;
    }

    .col-highlight {
      background: #eff6ff !important;
      font-weight: 700;
      color: #1d4ed8;
    }

    .tag-positive {
      display: inline-block;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      background: #dcfce7;
      color: #15803d;
      font-weight: 600;
    }

    .tag-neutral {
      display: inline-block;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      background: #f1f5f9;
      color: #64748b;
    }

    /* Token 比价与算力收益 */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
    }

    .token-card-ribbon {
      position: absolute;
      top: 16px;
      right: 16px;
      background: linear-gradient(135deg, #f97316, #ec4899);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-full);
    }

    .token-card-title {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .token-price-value {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary);
      margin: 16px 0;
      line-height: 1;
    }

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

    .token-features-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 24px;
    }

    .token-features-list li {
      font-size: 13.5px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 服务网络与代理加盟 */
    .agency-banner-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
      border-radius: var(--radius-lg);
      padding: 40px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }

    .agency-left h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .agency-left p {
      font-size: 15px;
      color: #cbd5e1;
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .agency-perks-row {
      display: flex;
      gap: 16px;
    }

    .agency-perk-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      font-size: 13px;
      color: #f1f5f9;
    }

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

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

    .review-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-pink));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }

    .review-name-role h4 {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
    }

    .review-name-role p {
      font-size: 12px;
      color: var(--text-light);
    }

    .review-stars {
      color: #f59e0b;
      font-size: 13px;
      margin-bottom: 10px;
    }

    .review-text {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 常见问题 (FAQ 折叠面板) */
    .faq-accordion-wrap {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .faq-item:hover {
      border-color: rgba(79, 70, 229, 0.3);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

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

    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.65;
      display: none;
      border-top: 1px solid #f1f5f9;
      margin-top: 4px;
      padding-top: 16px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

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

    /* AI百科 & 行业资讯 */
    .article-news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .news-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .news-box-title {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .news-list li a {
      font-size: 14.5px;
      color: var(--text-muted);
      text-decoration: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition);
      padding-bottom: 8px;
      border-bottom: 1px dashed #e2e8f0;
    }

    .news-list li a:hover {
      color: var(--primary);
      transform: translateX(4px);
    }

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

    /* 需求匹配 & 联系表单 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 36px;
      align-items: start;
    }

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

    .contact-info-panel h3 {
      font-size: 22px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .contact-info-panel p {
      font-size: 14.5px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .qr-contact-box {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 20px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      margin-bottom: 24px;
    }

    .qr-img-wrap {
      width: 100px;
      height: 100px;
      background: #ffffff;
      padding: 4px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .qr-desc h5 {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 4px;
    }

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

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .contact-meta-list strong {
      color: #0f172a;
      display: inline-block;
      width: 85px;
    }

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

    .form-panel h3 {
      font-size: 22px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .form-panel p {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 24px;
    }

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

    .form-group label {
      display: block;
      font-size: 13.5px;
      font-weight: 600;
      color: #1e293b;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      color: #0f172a;
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      outline: none;
      font-family: inherit;
    }

    .form-control:focus {
      background: #ffffff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      background: linear-gradient(135deg, #4338ca, #6d28d9);
      box-shadow: 0 10px 25px rgba(79, 70, 229, 0.45);
      transform: translateY(-2px);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px 0;
      color: var(--text-muted);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 40px;
      border-bottom: 1px solid #f1f5f9;
    }

    .footer-brand-col h4 {
      font-size: 18px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .footer-brand-col p {
      font-size: 13.5px;
      color: var(--text-light);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 14px;
    }

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

    .footer-nav-list li a {
      font-size: 13.5px;
      color: var(--text-muted);
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-nav-list li a:hover {
      color: var(--primary);
    }

    .friend-links-bar {
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid #f1f5f9;
    }

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

    .friend-links-bar a {
      font-size: 13px;
      color: #64748b;
      text-decoration: none;
      transition: var(--transition);
      background: #f8fafc;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
    }

    .friend-links-bar a:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: #ffffff;
    }

    .footer-bottom-copy {
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: var(--text-light);
    }

    /* 浮动挂件 & 返回顶部 */
    .float-widget-wrap {
      position: fixed;
      bottom: 30px;
      right: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      text-decoration: none;
      transition: var(--transition);
      font-size: 18px;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.1);
      box-shadow: var(--shadow-lg);
    }

    .float-btn.kefu-btn {
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      border: none;
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 38px; }
      .service-grid-4 { grid-template-columns: repeat(2, 1fr); }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .process-steps-wrap { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: repeat(2, 1fr); }
      .agency-banner-box { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { display: block; padding: 10px 0; border-bottom: 1px solid #f1f5f9; width: 100%; }
      
      .hero-title { font-size: 30px; }
      .hero-subtitle { font-size: 16px; }
      .platform-intro-grid { grid-template-columns: 1fr; }
      .service-grid-3 { grid-template-columns: 1fr; }
      .service-grid-4 { grid-template-columns: 1fr; }
      .industry-grid { grid-template-columns: 1fr; }
      .process-steps-wrap { grid-template-columns: 1fr; }
      .showcase-grid { grid-template-columns: 1fr; }
      .banner-gallery-row { grid-template-columns: 1fr; }
      .token-price-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .article-news-grid { grid-template-columns: 1fr; }
      .contact-form-layout { grid-template-columns: 1fr; }
      .review-score-hero { flex-direction: column; text-align: center; gap: 20px; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .hero-stats-grid { grid-template-columns: 1fr 1fr; }
    }