:root {
      --primary: #4338ca;
      --primary-light: #6366f1;
      --secondary: #0ea5e9;
      --accent-pink: #ec4899;
      --accent-amber: #f59e0b;
      --accent-emerald: #10b981;
      --bg-page: #fbfbfe;
      --bg-surface: #ffffff;
      --bg-surface-alt: #f4f6fb;
      --text-main: #1e293b;
      --text-sub: #475569;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --border-light: #edf2f7;
      --shadow-sm: 0 2px 6px rgba(30, 41, 59, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(67, 56, 202, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 35px -10px rgba(99, 102, 241, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-max: 1200px;
    }

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

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

    body {
      overflow-x: hidden;
      background: radial-gradient(circle at 10% 10%, rgba(236, 72, 153, 0.05) 0%, transparent 40%),
                  radial-gradient(circle at 90% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 45%),
                  radial-gradient(circle at 50% 80%, rgba(99, 102, 241, 0.04) 0%, transparent 50%),
                  var(--bg-page);
      min-height: 100vh;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 990;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: all 0.3s ease;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 0.72rem;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      background: linear-gradient(135deg, #e0e7ff 0%, #fae8ff 100%);
      color: var(--primary);
      border: 1px solid #c7d2fe;
    }

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

    .nav-links li a {
      text-decoration: none;
      color: var(--text-sub);
      font-size: 0.93rem;
      font-weight: 500;
      padding: 8px 12px;
      border-radius: 6px;
      transition: all 0.25s ease;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.08);
    }

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

    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: linear-gradient(135deg, #4338ca 0%, #6366f1 50%, #ec4899 100%);
      color: #ffffff;
      padding: 9px 20px;
      border-radius: var(--radius-full);
      font-size: 0.9rem;
      font-weight: 600;
      text-decoration: none;
      box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-header-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 6px 10px;
      cursor: pointer;
      color: var(--text-main);
      font-size: 1.25rem;
    }

    /* 斑斓视觉标签与版式系统 */
    .section-padding {
      padding: 88px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      border-radius: var(--radius-full);
      font-size: 0.82rem;
      font-weight: 600;
      margin-bottom: 14px;
      background: linear-gradient(90deg, rgba(99, 102, 241, 0.12), rgba(236, 72, 153, 0.12));
      color: var(--primary);
      border: 1px solid rgba(199, 210, 254, 0.8);
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      line-height: 1.35;
      color: #0f172a;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 首屏 HERO (无任何图片) */
    .hero-section {
      padding: 72px 0 92px 0;
      position: relative;
      overflow: hidden;
    }

    .hero-container {
      display: grid;
      grid-template-columns: 1.2fr 0.95fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #eef2ff, #fdf2f8);
      border: 1px solid #c7d2fe;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 22px;
    }

    .hero-kicker .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      display: inline-block;
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }

    /* 全页唯一的H1，控制在20字内 */
    .hero-title {
      font-size: 2.9rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-title .rainbow-text {
      background: linear-gradient(120deg, #3730a3, #4f46e5, #0ea5e9, #ec4899);
      background-size: 200% auto;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      animation: rainbowShift 6s ease infinite alternate;
    }

    @keyframes rainbowShift {
      0% { background-position: 0% 50%; }
      100% { background-position: 100% 50%; }
    }

    .hero-summary {
      font-size: 1.12rem;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 34px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 34px;
      border-radius: var(--radius-full);
      background: linear-gradient(135deg, #4338ca 0%, #6366f1 50%, #ec4899 100%);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      text-decoration: none;
      box-shadow: 0 10px 25px rgba(99, 102, 241, 0.35);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 32px rgba(99, 102, 241, 0.45);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 26px;
      border-radius: var(--radius-full);
      background: #ffffff;
      color: var(--text-main);
      font-size: 0.98rem;
      font-weight: 600;
      text-decoration: none;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .btn-hero-secondary:hover {
      border-color: var(--primary-light);
      background: #f8faff;
      color: var(--primary);
    }

    .hero-trust-bar {
      display: flex;
      align-items: center;
      gap: 22px;
      padding-top: 20px;
      border-top: 1px solid rgba(226, 232, 240, 0.8);
    }

    .trust-metric-item {
      display: flex;
      flex-direction: column;
    }

    .trust-metric-item strong {
      font-size: 1.45rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.2;
    }

    .trust-metric-item span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 首屏纯CSS+数据多彩卡片 (严禁图片) */
    .hero-graphic-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(199, 210, 254, 0.6);
      box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.18);
      padding: 30px;
      position: relative;
    }

    .hero-graphic-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 22px;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--border-light);
    }

    .status-pill {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      font-weight: 600;
      color: #059669;
      background: #ecfdf5;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      border: 1px solid #a7f3d0;
    }

    .matrix-chips-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-bottom: 24px;
    }

    .matrix-chip {
      padding: 12px 10px;
      border-radius: var(--radius-md);
      text-align: center;
      border: 1px solid var(--border-light);
      background: #fafbff;
      transition: all 0.25s ease;
    }

    .matrix-chip:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
      border-color: #c7d2fe;
    }

    .matrix-chip .chip-name {
      font-size: 0.88rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 2px;
    }

    .matrix-chip .chip-type {
      font-size: 0.72rem;
      color: var(--text-muted);
    }

    .hero-workflow-preview {
      background: linear-gradient(135deg, #f8faff 0%, #fdf4ff 100%);
      border-radius: var(--radius-md);
      padding: 18px;
      border: 1px dashed #c7d2fe;
    }

    .workflow-step-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
      margin-bottom: 10px;
    }

    .workflow-node {
      font-size: 0.78rem;
      font-weight: 600;
      padding: 6px 12px;
      border-radius: 6px;
      background: #ffffff;
      color: var(--primary);
      box-shadow: 0 2px 4px rgba(0,0,0,0.03);
      border: 1px solid #e0e7ff;
    }

    .workflow-arrow {
      color: #94a3b8;
      font-weight: 800;
      font-size: 0.85rem;
    }

    .workflow-tagline {
      font-size: 0.82rem;
      color: var(--text-sub);
      text-align: center;
      margin-top: 6px;
    }

    /* 平台介绍与关于我们 */
    .about-overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-text-panel {
      background: #ffffff;
      padding: 38px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-text-panel h3 {
      font-size: 1.6rem;
      color: #0f172a;
      margin-bottom: 16px;
      font-weight: 800;
    }

    .about-text-panel p {
      color: var(--text-sub);
      font-size: 0.98rem;
      line-height: 1.8;
      margin-bottom: 16px;
    }

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

    .about-key-points li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #334155;
    }

    .badge-icon {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: #dbeafe;
      color: #2563eb;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.78rem;
      font-weight: 800;
      flex-shrink: 0;
    }

    .about-visual-panel {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .about-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(226, 232, 240, 0.8);
      background: #ffffff;
    }

    .about-img-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .about-img-box:hover img {
      transform: scale(1.02);
    }

    /* 多模型生态展示条 */
    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 28px;
    }

    .model-chip {
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.84rem;
      font-weight: 600;
      background: #ffffff;
      color: #334155;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      border-color: var(--primary-light);
      color: var(--primary);
      transform: translateY(-1px);
    }

    /* AIGC 服务与一站式全自动创作 */
    .services-grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

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

    .service-icon {
      width: 46px;
      height: 46px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      flex-shrink: 0;
    }

    .icon-indigo { background: linear-gradient(135deg, #4f46e5, #6366f1); }
    .icon-sky { background: linear-gradient(135deg, #0284c7, #38bdf8); }
    .icon-pink { background: linear-gradient(135deg, #db2777, #f472b6); }
    .icon-emerald { background: linear-gradient(135deg, #059669, #34d399); }
    .icon-amber { background: linear-gradient(135deg, #d97706, #fbbf24); }
    .icon-violet { background: linear-gradient(135deg, #7c3aed, #a78bfa); }

    .service-title {
      font-size: 1.18rem;
      font-weight: 700;
      color: #0f172a;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .service-tags-list {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }

    .service-tag-item {
      font-size: 0.76rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #475569;
    }

    /* 行业解决方案画廊 */
    .solutions-tabs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-item-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .solution-label {
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--secondary);
      letter-spacing: 0.5px;
      margin-bottom: 6px;
    }

    .solution-name {
      font-size: 1.12rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 10px;
    }

    .solution-body {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 标准制作流程步骤 */
    .steps-chain-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      padding: 30px 22px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-number {
      font-size: 1.8rem;
      font-weight: 900;
      color: #cbd5e1;
      line-height: 1;
      margin-bottom: 14px;
    }

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

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .step-desc {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 案例中心 */
    .cases-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

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

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

    .case-img-container {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: #e2e8f0;
      position: relative;
    }

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

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

    .case-body {
      padding: 24px;
    }

    .case-category {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .case-metrics {
      display: flex;
      gap: 16px;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid var(--border-light);
    }

    .case-metric-tag {
      font-size: 0.84rem;
      color: var(--text-sub);
    }

    .case-metric-tag strong {
      color: #059669;
    }

    /* 对比评测板块 */
    .evaluation-card-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid #e0e7ff;
      box-shadow: var(--shadow-md);
      padding: 40px;
      margin-bottom: 30px;
    }

    .eval-score-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 26px;
      border-bottom: 1px solid var(--border-light);
      margin-bottom: 28px;
    }

    .score-badge-wrap {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .score-big {
      font-size: 3.4rem;
      font-weight: 900;
      color: #4338ca;
      line-height: 1;
    }

    .score-max {
      font-size: 1.15rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .stars-indicator {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .eval-table-container {
      overflow-x: auto;
      width: 100%;
    }

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

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 18px;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.94rem;
    }

    .comparison-table th {
      background: #f8fafc;
      font-weight: 700;
      color: #1e293b;
    }

    .comparison-table td.brand-highlight {
      background: rgba(99, 102, 241, 0.04);
      font-weight: 700;
      color: var(--primary);
    }

    .comparison-table td.dimmed {
      color: var(--text-muted);
    }

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

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.3s ease;
      position: relative;
    }

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

    .token-card.featured .popular-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #4338ca, #ec4899);
      color: #ffffff;
      font-size: 0.76rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: var(--radius-full);
    }

    .token-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin: 16px 0;
    }

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

    .token-features-list {
      list-style: none;
      text-align: left;
      margin: 20px 0 28px 0;
      font-size: 0.9rem;
      color: var(--text-sub);
    }

    .token-features-list li {
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-light);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 用户评论 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 0.95rem;
    }

    .review-quote {
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
    }

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

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #c7d2fe, #fbcfe8);
      color: var(--primary);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      flex-shrink: 0;
    }

    .author-info h4 {
      font-size: 0.96rem;
      font-weight: 700;
      color: #0f172a;
    }

    .author-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 加盟代理与被动收益 */
    .partner-banner-card {
      background: linear-gradient(135deg, #ffffff 0%, #f5f3ff 50%, #eff6ff 100%);
      border: 1px solid #c7d2fe;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

    .partner-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .partner-content p {
      font-size: 1rem;
      color: var(--text-sub);
      line-height: 1.75;
      margin-bottom: 22px;
    }

    .partner-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .perk-item {
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-sm);
      border: 1px solid #e0e7ff;
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-accordion-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: #c7d2fe;
    }

    .faq-question-btn {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 1.02rem;
      font-weight: 700;
      color: #0f172a;
      transition: color 0.2s ease;
    }

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

    .faq-icon-arrow {
      font-size: 1.1rem;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
      color: var(--primary);
    }

    .faq-answer-panel {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      background: #fbfcfe;
    }

    .faq-answer-content {
      padding: 0 24px 20px 24px;
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.75;
    }

    /* AI百科与行业资讯 */
    .articles-insights-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .encyclopedia-card, .articles-card {
      background: #ffffff;
      padding: 32px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
    }

    .encyclopedia-card h3, .articles-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-light);
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-links-list li a {
      text-decoration: none;
      color: #334155;
      font-size: 0.94rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      border-radius: 6px;
      background: #f8fafc;
      transition: all 0.2s ease;
    }

    .article-links-list li a:hover {
      background: #eef2ff;
      color: var(--primary);
      padding-left: 16px;
    }

    /* 需求匹配与联系我们表单 */
    .contact-matching-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
    }

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

    .contact-info-panel h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .contact-channel-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin: 22px 0 28px 0;
    }

    .contact-channel-list li {
      font-size: 0.94rem;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .qr-contact-box {
      background: #fafbff;
      border: 1px solid #e0e7ff;
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .qr-contact-box img {
      width: 108px;
      height: 108px;
      object-fit: cover;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    .qr-text h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .qr-text p {
      font-size: 0.84rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    .form-panel {
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(199, 210, 254, 0.8);
      box-shadow: var(--shadow-md);
    }

    .form-panel h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 22px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.94rem;
      color: var(--text-main);
      background: #fbfcfe;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-light);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, #4338ca 0%, #6366f1 100%);
      color: #ffffff;
      font-size: 1.02rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
      transition: all 0.25s ease;
    }

    .btn-submit-form:hover {
      background: linear-gradient(135deg, #3730a3 0%, #4f46e5 100%);
      box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
    }

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

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand-col p {
      font-size: 0.9rem;
      line-height: 1.7;
      margin-top: 12px;
      color: var(--text-muted);
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col ul li a {
      text-decoration: none;
      color: var(--text-sub);
      font-size: 0.88rem;
      transition: color 0.2s ease;
    }

    .footer-col ul li a:hover {
      color: var(--primary);
    }

    .friendly-links-bar {
      padding: 24px 0;
      border-top: 1px solid var(--border-light);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 0.86rem;
    }

    .friendly-links-bar span {
      font-weight: 700;
      color: #1e293b;
    }

    .friendly-links-bar a {
      color: var(--text-sub);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .friendly-links-bar a:hover {
      color: var(--primary);
    }

    .footer-bottom-bar {
      padding-top: 24px;
      border-top: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .footer-bottom-bar a {
      color: var(--text-muted);
      text-decoration: none;
    }

    .footer-bottom-bar a:hover {
      color: var(--primary);
    }

    /* 悬浮客服与快捷控制 */
    .float-assist-dock {
      position: fixed;
      right: 24px;
      bottom: 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 999;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      border: 1px solid #c7d2fe;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(0,0,0,0.08);
      cursor: pointer;
      text-decoration: none;
      font-size: 1.1rem;
      transition: all 0.25s ease;
    }

    .dock-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .header-inner { height: 68px; }
      .mobile-menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 24px;
        flex-direction: column;
        align-items: flex-start;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { width: 100%; padding: 10px 0; }

      .hero-container { grid-template-columns: 1fr; gap: 36px; }
      .hero-title { font-size: 2.2rem; }
      .about-overview-grid { grid-template-columns: 1fr; }
      .services-grid-6 { grid-template-columns: repeat(2, 1fr); }
      .solutions-tabs-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-chain-wrap { grid-template-columns: repeat(2, 1fr); }
      .token-price-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .partner-banner-card { grid-template-columns: 1fr; }
      .contact-matching-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 640px) {
      .section-padding { padding: 56px 0; }
      .hero-title { font-size: 1.8rem; }
      .section-title { font-size: 1.6rem; }
      .services-grid-6 { grid-template-columns: 1fr; }
      .solutions-tabs-grid { grid-template-columns: 1fr; }
      .steps-chain-wrap { grid-template-columns: 1fr; }
      .cases-gallery-grid { grid-template-columns: 1fr; }
      .articles-insights-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .hero-trust-bar { flex-direction: column; align-items: flex-start; gap: 12px; }
    }