/* =================== 全局基底与多彩风变量 =================== */
    :root {
      --primary-grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      --rainbow-grad: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 25%, #ec4899 50%, #f59e0b 75%, #10b981 100%);
      --soft-rainbow: linear-gradient(135deg, #eef2ff 0%, #fdf2f8 33%, #fffbeb 66%, #ecfdf5 100%);
      --accent-cyan: #06b6d4;
      --accent-pink: #ec4899;
      --accent-indigo: #4f46e5;
      --accent-amber: #f59e0b;
      --accent-emerald: #10b981;
      
      --text-main: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-light: rgba(226, 232, 240, 0.85);
      
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
      --shadow-lg: 0 20px 35px -10px rgba(124, 58, 237, 0.12), 0 1px 3px rgba(0,0,0,0.05);
      --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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(236, 72, 153, 0.05) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.04) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    ul, ol {
      list-style: none;
    }

    /* =================== 居中统一容器 =================== */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-wrap {
      padding: 64px 0;
      position: relative;
    }

    /* 区域标题统一样式 */
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      background: #ffffff;
      border: 1px solid rgba(124, 58, 237, 0.2);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--accent-indigo);
      box-shadow: 0 2px 10px rgba(99, 102, 241, 0.08);
      margin-bottom: 14px;
    }

    .section-tag::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--rainbow-grad);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .section-title span {
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* =================== 导航栏 =================== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      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-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

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

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

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.01em;
    }

    .brand-slogan {
      font-size: 0.72rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 必须设置 .nav-links 的 gap 属性为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-link-item {
      padding: 8px 14px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-body);
      border-radius: var(--radius-sm);
      display: inline-block;
      transition: color 0.2s, background-color 0.2s;
    }

    .nav-link-item:hover,
    .nav-link-item.active {
      color: var(--accent-indigo);
      background: rgba(99, 102, 241, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .btn-rainbow {
      background: var(--primary-grad);
      color: #ffffff !important;
      box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    }

    .btn-rainbow:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(124, 58, 237, 0.4);
      filter: brightness(1.05);
    }

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

    .btn-outline:hover {
      border-color: var(--accent-indigo);
      color: var(--accent-indigo);
      background: rgba(99, 102, 241, 0.04);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* =================== 首屏 HERO (无图片) =================== */
    .hero-section {
      padding: 70px 0 50px 0;
      position: relative;
      overflow: hidden;
    }

    .hero-container {
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      padding: 6px 18px;
      background: #ffffff;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 20px rgba(99, 102, 241, 0.1);
      border: 1px solid rgba(124, 58, 237, 0.15);
      margin-bottom: 22px;
    }

    .hero-badge-pill {
      background: var(--rainbow-grad);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      margin-right: 8px;
    }

    .hero-badge-text {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* H1 精简在20字内 */
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--text-main);
      letter-spacing: -0.03em;
      line-height: 1.25;
      margin-bottom: 20px;
    }

    .hero-title-highlight {
      background: var(--rainbow-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 1.12rem;
      color: var(--text-body);
      max-width: 820px;
      margin: 0 auto 32px auto;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 44px;
    }

    .btn-hero-primary {
      font-size: 1.05rem;
      padding: 14px 34px;
      font-weight: 700;
      background: linear-gradient(135deg, #2563eb, #7c3aed, #db2777);
      color: #ffffff !important;
      border-radius: var(--radius-full);
      box-shadow: 0 10px 25px rgba(124, 58, 237, 0.35);
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 15px 35px rgba(124, 58, 237, 0.45);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 900px;
      margin: 0 auto 40px auto;
    }

    .hero-tag-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.84rem;
      color: var(--text-body);
      font-weight: 500;
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .stat-value {
      font-size: 1.8rem;
      font-weight: 900;
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* =================== 平台能力介绍 =================== */
    .about-card-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .about-lead-text {
      font-size: 1.12rem;
      line-height: 1.8;
      color: var(--text-body);
      margin-bottom: 32px;
      text-align: justify;
    }

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

    .feature-item-card {
      padding: 24px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      transition: all 0.25s;
    }

    .feature-item-card:hover {
      background: #ffffff;
      border-color: var(--accent-indigo);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .feature-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .feature-item-card h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .feature-item-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* =================== 模型矩阵墙 =================== */
    .model-tags-container {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      margin-top: 36px;
    }

    .model-tags-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-badge-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-chip {
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-body);
      transition: all 0.2s;
    }

    .model-chip:hover {
      background: var(--primary-grad);
      color: #ffffff;
      border-color: transparent;
      transform: translateY(-2px);
    }

    /* =================== AIGC 场景服务卡片 =================== */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--rainbow-grad);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(99, 102, 241, 0.4);
    }

    .service-card:hover::before {
      opacity: 1;
    }

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

    .service-icon-box {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: rgba(99, 102, 241, 0.1);
      color: var(--accent-indigo);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      flex-shrink: 0;
    }

    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .service-card .service-tagline {
      font-size: 0.78rem;
      color: var(--accent-indigo);
      font-weight: 600;
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-footer {
      border-top: 1px dashed #e2e8f0;
      padding-top: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.82rem;
      color: var(--accent-pink);
      font-weight: 600;
    }

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

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

    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-grad);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      margin-bottom: 14px;
    }

    .step-box h3 {
      font-size: 1.1rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* =================== 案例展示板块 (含合规图片) =================== */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .gallery-img-wrap {
      width: 100%;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      max-height: 220px;
    }

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

    .gallery-card:hover .gallery-img-wrap img {
      transform: scale(1.05);
    }

    .gallery-body {
      padding: 18px;
    }

    .gallery-body h3 {
      font-size: 1.05rem;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .gallery-body p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 宣传图专区 */
    .banner-media-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 24px;
    }

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

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

    /* =================== 对比评测板块 =================== */
    .review-score-hero {
      background: linear-gradient(135deg, #ffffff 0%, #fdf4ff 50%, #eff6ff 100%);
      border: 1px solid rgba(192, 132, 252, 0.3);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 32px;
    }

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

    .score-badge-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: var(--primary-grad);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
    }

    .score-num {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      opacity: 0.85;
    }

    .score-meta h3 {
      font-size: 1.35rem;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .stars-render {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .score-meta p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

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

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

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

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

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

    .highlight-col {
      background: rgba(99, 102, 241, 0.04);
      font-weight: 600;
      color: var(--accent-indigo);
    }

    .badge-check {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: #10b981;
      font-weight: 700;
    }

    .badge-cross {
      color: #94a3b8;
    }

    /* =================== Token 比价与分销 =================== */
    .pricing-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: all 0.25s;
    }

    .price-card.featured {
      border: 2px solid var(--accent-indigo);
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }

    .price-card.featured::before {
      content: "核心推荐 · 超低价聚合";
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-grad);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: var(--radius-full);
      white-space: nowrap;
    }

    .price-card h3 {
      font-size: 1.25rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .price-value-box {
      margin: 16px 0 20px 0;
    }

    .price-main {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--accent-indigo);
    }

    .price-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .price-features-list {
      margin-bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .price-features-list li {
      font-size: 0.88rem;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* =================== 用户真实评价 (6条) =================== */
    .reviews-grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(236, 72, 153, 0.3);
    }

    .review-text {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

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

    .user-avatar-text {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--soft-rainbow);
      border: 1px solid #e2e8f0;
      color: var(--accent-indigo);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }

    .user-meta-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-meta-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* =================== 需求匹配表单 & 联系我们 =================== */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-side {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-channels-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 20px;
      margin-bottom: 24px;
    }

    .contact-channel-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.92rem;
      color: var(--text-body);
    }

    .contact-channel-item strong {
      color: var(--text-main);
    }

    .qr-box-wrap {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
      max-width: 200px;
    }

    .qr-box-wrap img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      margin-bottom: 8px;
    }

    .qr-box-wrap p {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-side form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid #cbd5e1;
      font-size: 0.92rem;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--accent-indigo);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

    /* =================== FAQ 折叠面板 =================== */
    .faq-accordion-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 900px;
      margin: 0 auto;
    }

    .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;
    }

    .faq-item.open {
      border-color: var(--accent-indigo);
    }

    .faq-question-btn {
      width: 100%;
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      text-align: left;
    }

    .faq-icon {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: #f1f5f9;
      color: var(--accent-indigo);
      font-size: 1.1rem;
      transition: transform 0.3s;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--accent-indigo);
      color: #ffffff;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 18px 22px;
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.65;
    }

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

    /* =================== 行业资讯与短代码 =================== */
    .articles-section-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .articles-links-group {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px;
      margin-top: 16px;
      margin-bottom: 24px;
    }

    .article-nav-chip {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: var(--text-main);
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .article-nav-chip:hover {
      background: var(--accent-indigo);
      color: #ffffff;
      border-color: var(--accent-indigo);
    }

    /* =================== 页脚 FOOTER =================== */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      padding: 48px 0 24px 0;
      color: var(--text-body);
      margin-top: 40px;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 32px;
      margin-bottom: 36px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }

    .footer-links-list a {
      color: var(--text-muted);
    }

    .footer-links-list a:hover {
      color: var(--accent-indigo);
    }

    .friend-links-box {
      border-top: 1px solid #f1f5f9;
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 0.85rem;
    }

    .friend-links-box span {
      font-weight: 700;
      color: var(--text-main);
    }

    .friend-links-box a {
      color: var(--text-muted);
      background: #f8fafc;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
    }

    .friend-links-box a:hover {
      color: var(--accent-indigo);
      border-color: var(--accent-indigo);
    }

    .footer-bottom-bar {
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    /* 浮动操作条与客服 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.2rem;
      color: var(--text-main);
      transition: all 0.2s;
    }

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

    /* =================== 响应式适配 =================== */
    @media (max-width: 1024px) {
      .features-grid-3,
      .services-grid,
      .gallery-grid,
      .reviews-grid-6,
      .pricing-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-actions .btn-outline {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        border-bottom: 1px solid #e2e8f0;
      }
      .nav-links.mobile-open .nav-link-item {
        width: 100%;
        padding: 10px 0;
      }
      .hero-title {
        font-size: 2rem;
      }
      .features-grid-3,
      .services-grid,
      .gallery-grid,
      .reviews-grid-6,
      .pricing-cards-grid,
      .banner-media-box,
      .contact-form-layout,
      .steps-container,
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr 1fr;
      }
      .contact-form-layout {
        padding: 24px;
      }
      .about-card-box {
        padding: 24px;
      }
    }