:root {
      --bg-base: #fcfbfe;
      --bg-gradient: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
      --candy-pink: #ff5e7e;
      --candy-purple: #7a5af8;
      --candy-blue: #0ba5ec;
      --candy-cyan: #06b6d4;
      --candy-yellow: #f59e0b;
      --candy-green: #10b981;
      --candy-soft-pink: #fff0f3;
      --candy-soft-purple: #f3f0ff;
      --candy-soft-blue: #f0f9ff;
      --candy-soft-yellow: #fffbeb;
      --text-main: #1e293b;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-candy: rgba(122, 90, 248, 0.15);
      --card-bg: #ffffff;
      --card-shadow: 0 10px 25px -5px rgba(122, 90, 248, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --card-hover-shadow: 0 20px 30px -10px rgba(122, 90, 248, 0.18), 0 10px 15px -5px rgba(255, 94, 126, 0.12);
      --container-width: 1200px;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-full: 9999px;
      --transition: all 0.3s 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-base);
      color: var(--text-main);
      line-height: 1.6;
      background-image: 
        radial-gradient(at 0% 0%, rgba(255, 94, 126, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(11, 165, 236, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(122, 90, 248, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.06) 0px, transparent 50%);
      background-attachment: fixed;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      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(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-candy);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 13px;
      font-size: 0.93rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--candy-purple);
      background-color: var(--candy-soft-purple);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .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-candy {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(255, 94, 126, 0.35);
    }

    .btn-candy:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(122, 90, 248, 0.45);
    }

    .btn-candy-blue {
      background: linear-gradient(135deg, var(--candy-blue), var(--candy-purple));
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(11, 165, 236, 0.3);
    }

    .btn-candy-blue:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(11, 165, 236, 0.45);
    }

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

    .btn-outline:hover {
      border-color: var(--candy-purple);
      color: var(--candy-purple);
      background: var(--candy-soft-purple);
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn svg {
      width: 28px;
      height: 28px;
      stroke: var(--text-main);
    }

    /* 首屏 Hero 区域（坚决无图片） */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
      text-align: center;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid rgba(255, 94, 126, 0.3);
      border-radius: var(--radius-full);
      box-shadow: 0 4px 15px rgba(255, 94, 126, 0.12);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--candy-pink);
      animation: pulse 1.8s infinite;
    }

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

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -0.5px;
      color: #0f172a;
      margin-bottom: 20px;
    }

    .hero-title .candy-gradient {
      background: linear-gradient(135deg, #ff416c 0%, #8a2387 50%, #00b4db 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px;
      font-weight: 500;
    }

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

    .hero-actions .btn-huge {
      padding: 14px 38px;
      font-size: 1.12rem;
      font-weight: 700;
      border-radius: var(--radius-full);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .stat-card {
      background: #ffffff;
      padding: 24px 18px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--candy-pink), var(--candy-blue));
    }

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

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

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .model-pills-bar {
      margin-top: 45px;
      padding: 20px 24px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px dashed var(--candy-purple);
      box-shadow: 0 4px 20px rgba(122, 90, 248, 0.05);
    }

    .model-pills-label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--candy-purple);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

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

    .model-tag {
      display: inline-block;
      padding: 5px 13px;
      font-size: 0.82rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      background: var(--candy-soft-purple);
      color: #553c9a;
      border: 1px solid rgba(122, 90, 248, 0.15);
      transition: var(--transition);
    }

    .model-tag:hover {
      background: var(--candy-purple);
      color: #ffffff;
      transform: scale(1.05);
    }

    /* 通用章节样式 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 46px;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      background: var(--candy-soft-pink);
      color: var(--candy-pink);
      margin-bottom: 12px;
      border: 1px solid rgba(255, 94, 126, 0.2);
    }

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

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

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

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

    .about-card h3 {
      font-size: 1.55rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 18px;
    }

    .about-card p {
      color: var(--text-muted);
      font-size: 0.98rem;
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 10px;
    }

    .feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .feature-icon-box {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--candy-soft-green);
      color: var(--candy-green);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: bold;
      flex-shrink: 0;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      padding: 28px 24px;
      border-radius: var(--radius-md);
      border: 1px solid #edf2f7;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(122, 90, 248, 0.3);
    }

    .service-icon-banner {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 18px;
    }

    .bg-pink-soft { background: #ffe4e6; color: #e11d48; }
    .bg-blue-soft { background: #e0f2fe; color: #0284c7; }
    .bg-purple-soft { background: #ede9fe; color: #7c3aed; }
    .bg-yellow-soft { background: #fef3c7; color: #d97706; }
    .bg-green-soft { background: #dcfce7; color: #16a34a; }
    .bg-cyan-soft { background: #cffafe; color: #0891b2; }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 行业方案与流程 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-item {
      background: #ffffff;
      padding: 26px 20px;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      text-align: center;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      position: relative;
    }

    .step-item:hover {
      border-color: var(--candy-cyan);
      transform: translateY(-4px);
    }

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-cyan), var(--candy-blue));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 800;
      margin: 0 auto 16px;
    }

    .step-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 0.86rem;
      color: var(--text-muted);
    }

    /* 案例中心展示（含图片） */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 24px;
    }

    .showcase-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-candy);
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

    .showcase-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
    }

    .showcase-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .showcase-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

    .showcase-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .showcase-content {
      padding: 18px 20px;
    }

    .showcase-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: var(--radius-full);
      background: var(--candy-soft-purple);
      color: var(--candy-purple);
      margin-bottom: 8px;
    }

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

    .showcase-content p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 评测与对比表格（要求：五星，9.9/10分） */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff5f7, #f3f0ff);
      border: 2px solid rgba(255, 94, 126, 0.3);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
      box-shadow: var(--card-shadow);
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .eval-rating-badge {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
    }

    .eval-rating-info h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 4px;
    }

    .stars-bar {
      color: #f59e0b;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow-x: auto;
      border: 1px solid #e2e8f0;
      box-shadow: var(--card-shadow);
    }

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

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

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

    .eval-table tr:hover td {
      background: #faf5ff;
    }

    .eval-table .highlight-col {
      background: rgba(122, 90, 248, 0.04);
      font-weight: 700;
      color: var(--candy-purple);
    }

    .tag-badge-green {
      display: inline-block;
      padding: 2px 8px;
      font-size: 0.78rem;
      background: #dcfce7;
      color: #15803d;
      border-radius: var(--radius-full);
      font-weight: 600;
    }

    .tag-badge-gray {
      display: inline-block;
      padding: 2px 8px;
      font-size: 0.78rem;
      background: #f1f5f9;
      color: #64748b;
      border-radius: var(--radius-full);
      font-weight: 500;
    }

    /* 需求匹配与联系我们表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: start;
    }

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

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #ffffff;
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--candy-purple);
      box-shadow: 0 0 0 3px rgba(122, 90, 248, 0.15);
    }

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

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

    .contact-info-panel h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 18px;
    }

    .qr-container {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 18px;
      background: var(--candy-soft-pink);
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 94, 126, 0.2);
      margin-bottom: 24px;
    }

    .qr-container img {
      width: 100px;
      height: 100px;
      object-fit: cover;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
    }

    .qr-info h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 4px;
    }

    .qr-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .contact-details-list li {
      font-size: 0.93rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-label-tag {
      font-weight: 700;
      color: var(--candy-purple);
      min-width: 80px;
    }

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

    .review-card {
      background: #ffffff;
      padding: 26px;
      border-radius: var(--radius-md);
      border: 1px solid #edf2f7;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(255, 94, 126, 0.3);
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: italic;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed #e2e8f0;
      padding-top: 14px;
    }

    .reviewer-avatar-txt {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }

    .reviewer-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }

    .reviewer-info span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板（10+ 条） */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--candy-purple);
      box-shadow: 0 4px 15px rgba(122, 90, 248, 0.08);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1.02rem;
      font-weight: 700;
      color: #0f172a;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--candy-purple);
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--candy-purple);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fafafa;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 0 22px 18px;
    }

    .faq-answer p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 行业资讯与最新文章 */
    .article-section-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 28px;
    }

    .articles-stream-card {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
      box-shadow: var(--card-shadow);
    }

    .articles-stream-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid #f1f5f9;
    }

    .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;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      background: #f8fafc;
      color: var(--text-main);
      font-size: 0.92rem;
      font-weight: 600;
    }

    .article-links-list li a:hover {
      background: var(--candy-soft-purple);
      color: var(--candy-purple);
      transform: translateX(4px);
    }

    .wiki-card {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
      box-shadow: var(--card-shadow);
    }

    .wiki-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .wiki-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 14px;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-candy);
      padding: 50px 0 30px;
      margin-top: 60px;
    }

    .footer-links-box {
      padding-bottom: 24px;
      border-bottom: 1px solid #f1f5f9;
      margin-bottom: 24px;
    }

    .footer-links-box h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #334155;
      margin-bottom: 12px;
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-wrap a {
      font-size: 0.88rem;
      color: var(--text-muted);
      background: #f8fafc;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      border: 1px solid #e2e8f0;
    }

    .friend-links-wrap a:hover {
      color: var(--candy-pink);
      border-color: var(--candy-pink);
      background: var(--candy-soft-pink);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.86rem;
      color: var(--text-light);
    }

    .footer-nav {
      display: flex;
      gap: 16px;
    }

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

    /* 悬浮客服挂件与返回顶部 */
    .float-widget {
      position: fixed;
      right: 22px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--candy-purple);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      border: 1px solid rgba(122, 90, 248, 0.2);
      transition: var(--transition);
      position: relative;
    }

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

    .float-btn svg {
      width: 22px;
      height: 22px;
      fill: currentColor;
    }

    .float-btn .tooltip {
      position: absolute;
      right: 58px;
      background: #1e293b;
      color: #ffffff;
      padding: 5px 12px;
      border-radius: 6px;
      font-size: 0.78rem;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.2s;
    }

    .float-btn:hover .tooltip {
      opacity: 1;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.2); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid, .reviews-grid, .media-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid, .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .article-section-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-candy);
        box-shadow: 0 10px 20px rgba(0,0,0,0.06);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 1.95rem;
      }
      .about-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .services-grid, .reviews-grid, .media-showcase-grid, .hero-stats-grid, .steps-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
    }