/* 全局变量与斑斓彩调风格基调 */
    :root {
      --primary: #4f46e5;
      --primary-rgb: 79, 70, 229;
      --accent-cyan: #06b6d4;
      --accent-purple: #9333ea;
      --accent-rose: #f43f5e;
      --accent-amber: #f59e0b;
      --accent-emerald: #10b981;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-soft: #e2e8f0;
      --border-color: rgba(226, 232, 240, 0.85);
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(79, 70, 229, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
      --shadow-lg: 0 20px 35px -10px rgba(147, 51, 234, 0.12), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1200px;
    }

    * {
      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, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }

    /* 贯穿全页的斑斓流光环境微底色 */
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 10% 15%, rgba(6, 182, 212, 0.05) 0%, transparent 35%),
        radial-gradient(circle at 90% 20%, rgba(147, 51, 234, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 85%, rgba(244, 63, 94, 0.04) 0%, transparent 45%);
      pointer-events: none;
      z-index: -1;
    }

    /* 容器居中规范 */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-soft);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
      transition: all 0.3s ease;
    }

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

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

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #1e1b4b;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-title span {
      background: linear-gradient(135deg, #4f46e5, #9333ea 50%, #f43f5e);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* 满足要求：gap 属性显式为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .nav-links li {
      margin: 0;
    }

    .nav-links a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      border-radius: var(--radius-sm);
      transition: color 0.2s, background 0.2s;
    }

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

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

    .btn-gradient {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      color: #ffffff !important;
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
      border: none;
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(219, 39, 119, 0.35);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      color: #4338ca;
      background: #ffffff;
      border: 1.5px solid #c7d2fe;
      border-radius: var(--radius-full);
      text-decoration: none;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .btn-outline:hover {
      background: #eef2ff;
      border-color: #818cf8;
      color: #312e81;
    }

    /* 移动端菜单切换按钮 */
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 通用板块外距与标题 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      border-radius: var(--radius-full);
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(244, 63, 94, 0.12));
      color: #4338ca;
      border: 1px solid rgba(165, 180, 252, 0.4);
      margin-bottom: 16px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-title .gradient-text {
      background: linear-gradient(135deg, #4f46e5, #9333ea 50%, #f43f5e);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-subtitle {
      font-size: 1.08rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 一、首屏 HERO 区（严格限制：无任何图片） */
    .hero-section {
      padding: 90px 0 80px;
      background: linear-gradient(180deg, rgba(245, 243, 255, 0.6) 0%, rgba(248, 250, 252, 1) 100%);
      overflow: hidden;
      border-bottom: 1px solid var(--border-soft);
      position: relative;
    }

    .hero-decor-blob1 {
      position: absolute;
      top: 10%;
      left: -8%;
      width: 480px;
      height: 480px;
      background: radial-gradient(circle, rgba(147, 51, 234, 0.14) 0%, rgba(255, 255, 255, 0) 70%);
      filter: blur(50px);
      pointer-events: none;
    }

    .hero-decor-blob2 {
      position: absolute;
      top: 25%;
      right: -8%;
      width: 520px;
      height: 520px;
      background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
      filter: blur(55px);
      pointer-events: none;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin: 20px 0 20px;
      letter-spacing: -0.8px;
    }

    .hero-h1 .h1-rainbow {
      background: linear-gradient(135deg, #4338ca 0%, #7c3aed 40%, #e11d48 85%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.2rem;
      color: #334155;
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    .btn-hero-main {
      padding: 15px 36px;
      font-size: 1.1rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #f43f5e 100%);
      border: none;
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 10px 25px rgba(124, 58, 237, 0.35);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 15px 32px rgba(244, 63, 94, 0.4);
    }

    .btn-hero-sub {
      padding: 14px 32px;
      font-size: 1.05rem;
      font-weight: 600;
      color: #334155;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-full);
      text-decoration: none;
      transition: all 0.2s ease;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-sub:hover {
      background: #f1f5f9;
      color: #0f172a;
      border-color: #94a3b8;
    }

    /* 首屏数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      box-shadow: var(--shadow-md);
      transition: transform 0.2s, border-color 0.2s;
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
    }

    .stat-card:nth-child(1)::before { background: linear-gradient(90deg, #4f46e5, #06b6d4); }
    .stat-card:nth-child(2)::before { background: linear-gradient(90deg, #06b6d4, #10b981); }
    .stat-card:nth-child(3)::before { background: linear-gradient(90deg, #f59e0b, #f43f5e); }
    .stat-card:nth-child(4)::before { background: linear-gradient(90deg, #9333ea, #ec4899); }

    .stat-card:hover {
      transform: translateY(-4px);
      border-color: #c7d2fe;
    }

    .stat-num {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 支持模型胶囊跑道 */
    .hero-models-stream {
      margin-top: 50px;
      padding-top: 36px;
      border-top: 1px dashed #cbd5e1;
    }

    .models-stream-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: #64748b;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }

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

    .model-chip {
      display: inline-block;
      padding: 5px 12px;
      font-size: 0.8rem;
      font-weight: 600;
      background: #ffffff;
      color: #334155;
      border-radius: var(--radius-full);
      border: 1px solid #e2e8f0;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      background: #eef2ff;
      border-color: #818cf8;
      color: #4338ca;
      transform: scale(1.05);
    }

    /* 二、平台深度介绍模块 */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-feature-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .intro-feature-item {
      display: flex;
      gap: 16px;
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .intro-feature-item:hover {
      border-color: #a5b4fc;
      transform: translateX(4px);
      box-shadow: var(--shadow-md);
    }

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      color: #ffffff;
    }

    .icon-p1 { background: linear-gradient(135deg, #4f46e5, #06b6d4); }
    .icon-p2 { background: linear-gradient(135deg, #9333ea, #ec4899); }
    .icon-p3 { background: linear-gradient(135deg, #f59e0b, #ef4444); }
    .icon-p4 { background: linear-gradient(135deg, #10b981, #06b6d4); }

    .intro-feature-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .intro-feature-item p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .intro-showcase-panel {
      background: linear-gradient(145deg, #ffffff, #f1f5f9);
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .model-collab-diagram {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px dashed #94a3b8;
    }

    .collab-header {
      font-size: 1.05rem;
      font-weight: 700;
      color: #1e1b4b;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .collab-nodes {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-bottom: 20px;
    }

    .collab-node {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 12px;
      border-radius: var(--radius-sm);
      text-align: center;
      font-size: 0.85rem;
      font-weight: 600;
      color: #334155;
    }

    .collab-arrow-down {
      text-align: center;
      font-size: 1.2rem;
      color: #6366f1;
      margin-bottom: 16px;
    }

    .collab-result-box {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(236, 72, 153, 0.08));
      border: 1px solid #c7d2fe;
      padding: 16px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: #312e81;
      line-height: 1.5;
    }

    /* 三、AIGC 核心服务矩阵（卡片多样式） */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: #a5b4fc;
    }

    .service-tag {
      position: absolute;
      top: 18px;
      right: 18px;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: var(--radius-full);
      background: #eef2ff;
      color: #4338ca;
    }

    .service-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      margin-bottom: 18px;
    }

    .sc-purple { background: rgba(147, 51, 234, 0.1); color: #9333ea; }
    .sc-cyan { background: rgba(6, 182, 212, 0.1); color: #0891b2; }
    .sc-rose { background: rgba(244, 63, 94, 0.1); color: #e11d48; }
    .sc-emerald { background: rgba(16, 185, 129, 0.1); color: #059669; }
    .sc-indigo { background: rgba(79, 70, 229, 0.1); color: #4338ca; }
    .sc-amber { background: rgba(245, 158, 11, 0.1); color: #d97706; }

    .service-card h3 {
      font-size: 1.22rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      padding-top: 12px;
      border-top: 1px solid #f1f5f9;
    }

    .service-chips span {
      font-size: 0.75rem;
      background: #f8fafc;
      color: #475569;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid #e2e8f0;
    }

    /* 四、行业解决方案与真实素材 */
    .industry-section {
      background: #ffffff;
      border-top: 1px solid var(--border-soft);
      border-bottom: 1px solid var(--border-soft);
    }

    .industry-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
      margin-bottom: 48px;
    }

    .industry-grid:nth-child(even) {
      direction: rtl;
    }

    .industry-grid:nth-child(even) .industry-text-box {
      direction: ltr;
    }

    .industry-grid:nth-child(even) .media-frame-wrap {
      direction: ltr;
    }

    .industry-text-box h3 {
      font-size: 1.7rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .industry-text-box p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

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

    .industry-bullets li {
      font-size: 0.95rem;
      color: #334155;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .industry-bullets li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: rgba(16, 185, 129, 0.15);
      color: #059669;
      font-size: 0.78rem;
      font-weight: 800;
      border-radius: 50%;
    }

    .media-frame-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid #cbd5e1;
      background: #f8fafc;
      aspect-ratio: 16 / 10;
    }

    .media-frame-wrap.square-ratio {
      aspect-ratio: 1 / 1;
      max-width: 440px;
      margin: 0 auto;
    }

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

    .media-frame-wrap:hover img {
      transform: scale(1.03);
    }

    /* 五、对比评测（严格包含评分与对比要求） */
    .compare-section {
      background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
    }

    .rating-banner-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px 40px;
      border: 1px solid #c7d2fe;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .rating-title-group h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: #1e1b4b;
      margin-bottom: 6px;
    }

    .rating-title-group p {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

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

    .score-big {
      font-size: 3.2rem;
      font-weight: 900;
      color: #4338ca;
      line-height: 1;
    }

    .score-info {
      display: flex;
      flex-direction: column;
    }

    .stars-icon {
      color: #f59e0b;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .score-fraction {
      font-size: 0.88rem;
      font-weight: 700;
      color: #64748b;
    }

    .compare-table-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #cbd5e1;
      overflow-x: auto;
      box-shadow: var(--shadow-md);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
      min-width: 720px;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid #e2e8f0;
    }

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

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: rgba(238, 242, 255, 0.5);
      border-left: 2px solid #818cf8;
      border-right: 2px solid #818cf8;
    }

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

    .val-strong {
      font-weight: 700;
      color: #4338ca;
    }

    .val-muted {
      color: #64748b;
    }

    /* 六、Token比价与低成本算力说明 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 36px;
    }

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .token-card h4 {
      font-size: 1.18rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
    }

    .token-official-price {
      font-size: 0.9rem;
      color: #94a3b8;
      text-decoration: line-through;
      margin-bottom: 4px;
    }

    .token-our-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: #e11d48;
      margin-bottom: 12px;
    }

    .token-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      border-top: 1px dashed #e2e8f0;
      padding-top: 14px;
    }

    /* 七、标准作业流程 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      transition: all 0.25s;
    }

    .step-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #818cf8;
    }

    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #9333ea);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
      font-size: 0.95rem;
    }

    .step-box h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-box p {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 八、案例展示大图 */
    .banner-media-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid #cbd5e1;
      box-shadow: var(--shadow-lg);
      background: #ffffff;
      margin-bottom: 40px;
    }

    .ai-page-image {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 九、用户口碑真实评论（6条评论） */
    .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-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #c7d2fe;
    }

    .review-text {
      font-size: 0.94rem;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #6366f1, #ec4899);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .reviewer-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }

    .reviewer-role {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* 十、加盟代理与服务网络 */
    .partner-card-box {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .partner-card-box h3 {
      font-size: 2rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .partner-card-box p {
      font-size: 1.02rem;
      color: #c7d2fe;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .partner-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .partner-points li {
      font-size: 0.92rem;
      color: #e0e7ff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .partner-points li::before {
      content: "★";
      color: #f59e0b;
    }

    .partner-action-box {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 30px;
      text-align: center;
    }

    .partner-action-box h4 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .partner-action-box p {
      font-size: 0.88rem;
      color: #c7d2fe;
      margin-bottom: 20px;
    }

    /* 十一、文章与 AI 百科模块 */
    .articles-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .article-box-inner {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .article-box-inner h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 2px solid #eef2ff;
    }

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

    .article-links-list a {
      font-size: 0.95rem;
      color: #334155;
      text-decoration: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: color 0.2s;
    }

    .article-links-list a:hover {
      color: #4f46e5;
    }

    .article-links-list a::after {
      content: "→";
      color: #94a3b8;
    }

    /* 十二、FAQ 手风琴折叠面板 */
    .faq-wrapper {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-item:hover {
      border-color: #a5b4fc;
    }

    .faq-header {
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
    }

    .faq-header h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: #6366f1;
      transition: transform 0.3s ease;
    }

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

    .faq-body {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fafbff;
    }

    .faq-item.active .faq-body {
      padding: 0 24px 20px 24px;
      max-height: 250px;
    }

    .faq-body p {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 十三、需求匹配表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

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

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

    .contact-items-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin: 24px 0;
    }

    .contact-items-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.95rem;
      color: #334155;
    }

    .ci-label {
      font-weight: 700;
      color: #0f172a;
      min-width: 80px;
    }

    .form-panel {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid #c7d2fe;
      box-shadow: var(--shadow-md);
    }

    .form-panel h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: #1e1b4b;
      margin-bottom: 20px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      background: #f8fafc;
      color: #0f172a;
      outline: none;
      transition: all 0.2s;
    }

    .form-control:focus {
      background: #ffffff;
      border-color: #6366f1;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    }

    /* 十四、页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-soft);
      padding: 50px 0 30px;
      color: #475569;
    }

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

    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.6;
      color: #64748b;
    }

    .footer-links-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
    }

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

    .footer-nav a {
      font-size: 0.88rem;
      color: #475569;
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-nav a:hover {
      color: #4f46e5;
    }

    .footer-friendly-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-friendly-links a {
      font-size: 0.85rem;
      color: #475569;
      background: #f1f5f9;
      padding: 4px 10px;
      border-radius: 4px;
      text-decoration: none;
      transition: all 0.2s;
    }

    .footer-friendly-links a:hover {
      background: #e0e7ff;
      color: #4338ca;
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #94a3b8;
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 12px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
      border: 1px solid #cbd5e1;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #4f46e5;
      font-size: 1.3rem;
      transition: all 0.25s;
    }

    .float-btn:hover {
      transform: scale(1.08);
      border-color: #818cf8;
    }

    .float-qr-card {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 190px;
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
      border: 1px solid #cbd5e1;
      text-align: center;
    }

    .float-qr-card img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    .float-qr-card p {
      font-size: 0.8rem;
      font-weight: 700;
      color: #0f172a;
    }

    .float-service-toggle:hover + .float-qr-card,
    .float-qr-card:hover {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(3, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .partner-card-box { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        border-bottom: 1px solid var(--border-soft);
        padding: 16px 24px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      }
      .nav-links.show { display: flex; }
      .nav-links a { width: 100%; padding: 12px 0; }
      .nav-cta-group { display: none; }
      .hero-h1 { font-size: 2.1rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .platform-intro-grid,
      .industry-grid,
      .contact-grid,
      .articles-grid,
      .footer-top { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .token-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .rating-banner-card { flex-direction: column; align-items: flex-start; }
    }