:root {
      --candy-pink: #ff5e97;
      --candy-purple: #7b42f6;
      --candy-blue: #00b4d8;
      --candy-cyan: #06d6a0;
      --candy-yellow: #ffb703;
      --candy-orange: #ff7b00;
      --candy-gradient: linear-gradient(135deg, #ff5e97 0%, #7b42f6 50%, #00b4d8 100%);
      --candy-subtle-grad: linear-gradient(135deg, rgba(255,94,151,0.08) 0%, rgba(123,66,246,0.08) 50%, rgba(0,180,216,0.08) 100%);
      --candy-card-grad: linear-gradient(180deg, #ffffff 0%, #fafffd 100%);
      --bg-page: #f8faff;
      --bg-surface: #ffffff;
      --text-main: #1e293b;
      --text-muted: #475569;
      --text-sub: #64748b;
      --border-light: #e2e8f0;
      --border-candy: #f1f5f9;
      --shadow-sm: 0 4px 12px rgba(123, 66, 246, 0.05);
      --shadow-md: 0 8px 24px rgba(123, 66, 246, 0.08);
      --shadow-lg: 0 16px 36px rgba(123, 66, 246, 0.12);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(255, 94, 151, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 40%, rgba(0, 180, 216, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 30% 80%, rgba(123, 66, 246, 0.04) 0%, transparent 40%);
      background-attachment: fixed;
    }

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

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

    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--candy-purple);
      background: rgba(123, 66, 246, 0.06);
    }

    .nav-action-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-candy-primary {
      background: var(--candy-gradient);
      color: #ffffff !important;
      box-shadow: 0 4px 16px rgba(123, 66, 246, 0.28);
    }

    .btn-candy-primary:hover {
      box-shadow: 0 8px 24px rgba(255, 94, 151, 0.35);
    }

    .btn-candy-outline {
      background: #ffffff;
      color: var(--candy-purple) !important;
      border: 1.5px solid var(--candy-purple);
    }

    .btn-candy-outline:hover {
      background: rgba(123, 66, 246, 0.05);
    }

    .btn-candy-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-main);
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 模块通用样式 */
    .section-padding {
      padding-top: 80px;
      padding-bottom: 80px;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      background: var(--candy-subtle-grad);
      color: var(--candy-purple);
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      margin-bottom: 14px;
      border: 1px solid rgba(123, 66, 246, 0.15);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }

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

    /* 首屏 HERO (严格无图片) */
    .hero-section {
      padding: 80px 0 60px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 255, 0.95) 100%);
      position: relative;
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: var(--radius-full);
      background: rgba(255, 94, 151, 0.1);
      color: var(--candy-pink);
      border: 1px solid rgba(255, 94, 151, 0.25);
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight {
      background: var(--candy-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .hero-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
      text-align: left;
    }

    .hero-stat-card {
      background: #ffffff;
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .hero-stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--candy-gradient);
    }

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

    .hero-stat-title {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-sub);
      margin-bottom: 6px;
    }

    .hero-stat-value {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .hero-stat-sub {
      font-size: 0.8rem;
      color: var(--candy-cyan);
      font-weight: 600;
    }

    /* 平台介绍 / 关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: stretch;
    }

    .about-card {
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .about-feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .about-item {
      padding: 16px;
      background: var(--bg-page);
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--candy-purple);
    }

    .about-item h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .about-item p {
      font-size: 0.82rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 胶囊标签云 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .tag-pill {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-full);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .tag-pill:hover {
      border-color: var(--candy-purple);
      color: var(--candy-purple);
      background: rgba(123, 66, 246, 0.04);
    }

    /* 制作场景卡片网格 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .scenario-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(123, 66, 246, 0.3);
    }

    .scenario-badge {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      background: rgba(0, 180, 216, 0.1);
      color: var(--candy-blue);
      margin-bottom: 14px;
    }

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

    .scenario-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

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

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

    .industry-card:hover {
      border-color: var(--candy-pink);
      box-shadow: var(--shadow-md);
    }

    .industry-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: var(--candy-subtle-grad);
      color: var(--candy-purple);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      margin-bottom: 16px;
    }

    .industry-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .industry-desc {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.55;
    }

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

    .process-step {
      background: #ffffff;
      padding: 28px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      text-align: center;
      position: relative;
    }

    .process-number {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--candy-gradient);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    .process-step h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* 案例中心 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

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

    .case-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.5;
      margin-bottom: 12px;
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.78rem;
      color: var(--candy-purple);
      font-weight: 600;
    }

    /* 对比评测模块 */
    .review-score-banner {
      background: #ffffff;
      border: 2px solid rgba(123, 66, 246, 0.2);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-left h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .score-badge-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .score-number {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--candy-pink);
    }

    .score-star {
      color: var(--candy-yellow);
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .score-tag {
      padding: 4px 12px;
      border-radius: var(--radius-full);
      background: rgba(6, 214, 160, 0.12);
      color: #059669;
      font-size: 0.82rem;
      font-weight: 700;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
    }

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

    .compare-table th,
    .compare-table td {
      padding: 18px 20px;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.9rem;
    }

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

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

    .compare-table .feature-col {
      font-weight: 700;
      color: var(--text-main);
      width: 22%;
    }

    .compare-table .highlight-col {
      background: rgba(123, 66, 246, 0.03);
      font-weight: 600;
      color: var(--candy-purple);
      width: 40%;
    }

    .compare-table .other-col {
      color: var(--text-sub);
      width: 38%;
    }

    /* Token 比价表 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: #ffffff;
      padding: 32px 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

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

    .price-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--candy-gradient);
      color: #ffffff;
      padding: 4px 16px;
      font-size: 0.75rem;
      font-weight: 700;
      border-radius: var(--radius-full);
    }

    .price-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .price-val {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .price-val span {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-sub);
    }

    .price-features {
      list-style: none;
      margin-bottom: 24px;
      text-align: left;
    }

    .price-features li {
      font-size: 0.86rem;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-light);
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .testimonial-card {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      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: rgba(0, 180, 216, 0.3);
    }

    .testimonial-text {
      font-size: 0.9rem;
      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-initial {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--candy-subtle-grad);
      color: var(--candy-purple);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      border: 1px solid rgba(123, 66, 246, 0.2);
    }

    .user-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info span {
      font-size: 0.78rem;
      color: var(--text-sub);
    }

    /* 需求匹配与表单 */
    .form-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
      padding: 40px;
      max-width: 800px;
      margin: 0 auto;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

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

    .form-group.full-width {
      grid-column: 1 / -1;
    }

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

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1.5px solid var(--border-light);
      font-size: 0.92rem;
      color: var(--text-main);
      background: #ffffff;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--candy-purple);
      box-shadow: 0 0 0 3px rgba(123, 66, 246, 0.1);
    }

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

    /* FAQ 折叠面板 (不少于10条) */
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

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

    .faq-item:hover {
      border-color: rgba(123, 66, 246, 0.3);
    }

    .faq-question {
      padding: 18px 20px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.1rem;
      color: var(--candy-purple);
      transition: var(--transition);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fcfdfe;
    }

    .faq-answer-inner {
      padding: 0 20px 18px;
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
    }

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

    /* 行业资讯 / 最新文章 */
    .news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

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

    .news-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 14px;
    }

    .news-link-item a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      background: var(--bg-page);
      font-size: 0.88rem;
      color: var(--text-main);
      font-weight: 500;
    }

    .news-link-item a:hover {
      background: rgba(123, 66, 246, 0.08);
      color: var(--candy-purple);
    }

    /* AI 百科 & 帮助中心 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .wiki-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }

    .wiki-card h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .wiki-card p {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.55;
    }

    /* 加盟代理 / 招商 */
    .agent-banner {
      background: var(--candy-subtle-grad);
      border: 1.5px dashed var(--candy-purple);
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
    }

    .agent-banner h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .agent-banner p {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto 24px;
    }

    /* 联系我们与客服二维码 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .contact-info-box {
      background: #ffffff;
      padding: 32px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }

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

    .contact-qr-box {
      background: #ffffff;
      padding: 32px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .contact-qr-img {
      width: 140px;
      height: 140px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
      margin-bottom: 12px;
      overflow: hidden;
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-light);
      padding: 48px 0 24px;
      color: var(--text-muted);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 32px;
      margin-bottom: 36px;
    }

    .footer-col h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 0.85rem;
    }

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

    .footer-links a:hover {
      color: var(--candy-purple);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-light);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: var(--text-sub);
    }

    .friend-links {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links a {
      color: var(--text-sub);
      font-size: 0.82rem;
    }

    .friend-links a:hover {
      color: var(--candy-purple);
    }

    /* 浮动客服入口与返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--candy-purple);
      font-size: 1.1rem;
      font-weight: 800;
      transition: var(--transition);
    }

    .floating-btn:hover {
      background: var(--candy-purple);
      color: #ffffff;
      transform: scale(1.08);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .hero-card-grid { grid-template-columns: repeat(2, 1fr); }
      .about-grid { grid-template-columns: 1fr; }
      .scenario-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .price-grid { grid-template-columns: 1fr; }
      .price-card.featured { transform: none; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .faq-grid { grid-template-columns: 1fr; }
      .wiki-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: flex; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { width: 100%; padding: 10px 0; }
      .hero-title { font-size: 1.85rem; }
      .hero-card-grid { grid-template-columns: 1fr; }
      .scenario-grid { grid-template-columns: 1fr; }
      .industry-grid { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }