:root {
      --primary: #4f46e5;
      --primary-light: #6366f1;
      --secondary: #ec4899;
      --accent: #f59e0b;
      --cyan: #06b6d4;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-vibrant: #cbd5e1;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(79, 70, 229, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 35px -10px rgba(79, 70, 229, 0.18), 0 10px 15px -5px rgba(236, 72, 153, 0.1);
      --max-width: 1200px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: var(--max-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: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    }

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

    .brand-group {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      max-height: 42px;
    }

    .brand-logo-wrap img {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.94rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: rgba(79, 70, 229, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 9999px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(236, 72, 153, 0.4);
      color: #ffffff;
    }

    .btn-accent {
      background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(234, 88, 12, 0.45);
      color: #ffffff;
    }

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

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: rgba(79, 70, 229, 0.04);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      color: var(--text-main);
    }

    /* 首屏 Hero 区域 (严禁包含任何图片) */
    .hero-section {
      position: relative;
      padding: 72px 0 64px 0;
      background: radial-gradient(circle at 85% 15%, rgba(236, 72, 153, 0.12) 0%, transparent 45%),
                  radial-gradient(circle at 15% 85%, rgba(6, 182, 212, 0.12) 0%, transparent 45%),
                  linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 9999px;
      background: linear-gradient(90deg, rgba(79, 70, 229, 0.1), rgba(236, 72, 153, 0.1));
      border: 1px solid rgba(79, 70, 229, 0.2);
      margin-bottom: 24px;
    }

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

    .badge-text {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary);
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: -1px;
      color: #090d16;
      margin-bottom: 20px;
    }

    .hero-title-highlight {
      background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 50%, #ec4899 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.18rem;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-buttons {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-giant {
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 800;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

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

    .stat-num {
      font-size: 1.9rem;
      font-weight: 900;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 4px;
      font-feature-settings: "tnum";
    }

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

    /* 区域通用样式 */
    .section-spacing {
      padding: 80px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.82rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--secondary);
      background: rgba(236, 72, 153, 0.08);
      border-radius: 9999px;
      margin-bottom: 12px;
      border: 1px solid rgba(236, 72, 153, 0.2);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 模块：关于我们 / 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .about-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, #4f46e5, #06b6d4, #ec4899);
      opacity: 0;
      transition: var(--transition);
    }

    .about-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }

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

    .about-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(236, 72, 153, 0.1));
      color: var(--primary);
      margin-bottom: 20px;
    }

    .about-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .about-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 模型墙滚动列表 */
    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 36px;
    }

    .model-chip {
      padding: 8px 16px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 9999px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-muted);
      transition: var(--transition);
    }

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

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

    .service-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-box:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-light);
      transform: translateY(-4px);
    }

    .service-tag-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 0.76rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 6px;
      background: rgba(6, 182, 212, 0.1);
      color: #0284c7;
      margin-bottom: 14px;
    }

    .service-box h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-box p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .service-meta {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 横版与方版素材展示区 */
    .media-showcase-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .media-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .media-card {
      background: var(--bg-base);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
    }

    .media-img-wrap {
      width: 100%;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #e2e8f0;
    }

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

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

    .media-text {
      padding: 20px;
      background: #ffffff;
    }

    .media-text h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

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

    /* 行业方案板块 */
    .solution-tabs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }

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

    .solution-item h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .solution-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 标准制作流程 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      width: 44px;
      height: 44px;
      margin: 0 auto 16px auto;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      color: #ffffff;
      font-weight: 800;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
    }

    .step-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 模块：对比评测（五星推荐与高分评测） */
    .compare-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .compare-highlight-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(236, 72, 153, 0.08) 100%);
      padding: 24px 32px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(79, 70, 229, 0.15);
      margin-bottom: 32px;
      gap: 20px;
    }

    .rating-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .rating-score-box {
      display: flex;
      align-items: baseline;
      gap: 10px;
    }

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

    .rating-score-big {
      font-size: 2.4rem;
      font-weight: 900;
      color: #e11d48;
      font-feature-settings: "tnum";
    }

    .rating-score-total {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    .compare-table-wrapper {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 800;
      color: var(--text-main);
    }

    .compare-table tr:hover td {
      background: rgba(248, 250, 252, 0.8);
    }

    .td-platform-highlight {
      background: rgba(79, 70, 229, 0.04);
      font-weight: 700;
      color: var(--primary);
    }

    .status-check {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 700;
      color: #059669;
    }

    .status-cross {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #94a3b8;
    }

    /* Token 比价与代理收益 */
    .token-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .token-card h4 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .token-price-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin: 20px 0;
    }

    .token-price-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 10px;
      border-bottom: 1px dashed var(--border-color);
      font-size: 0.95rem;
    }

    .token-save-badge {
      font-size: 0.8rem;
      padding: 2px 8px;
      border-radius: 4px;
      background: #fef2f2;
      color: #dc2626;
      font-weight: 700;
    }

    /* 客户评价板块 (6条评论) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .testimonial-stars {
      color: #f59e0b;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }

    .testimonial-content {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: normal;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .user-avatar-text {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .user-info h5 {
      font-size: 0.96rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info p {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* 宣传图画廊展示 */
    .banner-gallery-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .banner-images-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .banner-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #f1f5f9;
      box-shadow: var(--shadow-sm);
    }

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

    .banner-item:hover img {
      transform: scale(1.04);
    }

    /* 文章列表与资讯 (包含短代码与文章链接) */
    .articles-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

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

    .article-box h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }

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

    .article-links-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.94rem;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      background: #f8fafc;
      border: 1px solid var(--border-color);
    }

    .article-links-list li a:hover {
      color: var(--primary);
      border-color: var(--primary-light);
      background: #ffffff;
      transform: translateX(4px);
    }

    /* FAQ 常见问题 (折叠面板) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-header {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 1.25rem;
      transition: transform 0.3s ease;
      color: var(--primary);
    }

    .faq-body {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      display: none;
      border-top: 1px solid #f1f5f9;
      margin-top: 6px;
      padding-top: 14px;
    }

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

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

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

    /* 需求匹配与联系我们表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-col h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .contact-info-col p {
      font-size: 0.98rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.65;
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 28px;
    }

    .contact-meta-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .contact-meta-item strong {
      color: var(--text-muted);
      min-width: 90px;
    }

    .qr-container {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      padding: 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #f8fafc;
    }

    .qr-container img {
      width: 130px;
      height: 130px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      margin-bottom: 8px;
    }

    .qr-container span {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    .form-box {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

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

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

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

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #f8fafc;
      margin-bottom: 18px;
    }

    .footer-desc {
      font-size: 0.92rem;
      line-height: 1.7;
      color: #94a3b8;
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
    }

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

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

    .footer-friend-links a {
      display: inline-block;
      padding: 4px 10px;
      background: #1e293b;
      border-radius: 4px;
      color: #cbd5e1;
      font-size: 0.85rem;
    }

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

    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.88rem;
    }

    .footer-bottom-links {
      display: flex;
      gap: 18px;
    }

    .footer-bottom-links a:hover {
      color: #ffffff;
    }

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

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
      cursor: pointer;
      border: none;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      flex-direction: column;
      align-items: center;
      width: 140px;
    }

    .float-qr-popup img {
      width: 116px;
      height: 116px;
      object-fit: cover;
      border-radius: var(--radius-sm);
    }

    .float-qr-popup span {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 6px;
    }

    .float-btn:hover .float-qr-popup {
      display: flex;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .services-grid, .about-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solution-tabs-grid, .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .media-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-section {
        padding: 48px 0;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-desc {
        font-size: 1rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        gap: 0;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 0;
        border-bottom: 1px solid #f1f5f9;
      }
      .mobile-menu-btn {
        display: block;
      }
      .services-grid, .about-grid, .testimonials-grid, .banner-images-grid {
        grid-template-columns: 1fr;
      }
      .solution-tabs-grid, .flow-steps-grid, .token-grid, .articles-grid {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .compare-highlight-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }