:root {
      --candy-pink: #ff5e97;
      --candy-pink-light: #fff0f5;
      --candy-blue: #3a86ff;
      --candy-cyan: #00f0ff;
      --candy-purple: #8338ec;
      --candy-yellow: #ffbe0b;
      --candy-orange: #fb5607;
      --candy-green: #06d6a0;
      
      --bg-page: #f9fbfd;
      --bg-card: #ffffff;
      --bg-card-subtle: #f4f7fc;
      --text-main: #182132;
      --text-muted: #57657e;
      --text-light: #8896ab;
      --border-color: #e5ebf5;
      
      --shadow-sm: 0 4px 12px rgba(58, 134, 255, 0.06);
      --shadow-md: 0 10px 28px rgba(131, 56, 236, 0.08);
      --shadow-lg: 0 18px 40px rgba(255, 94, 151, 0.12);
      --shadow-candy: 0 12px 30px rgba(58, 134, 255, 0.15);
      
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --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-page);
      color: var(--text-main);
      line-height: 1.6;
      background-image: 
        radial-gradient(at 0% 0%, rgba(255, 94, 151, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(0, 240, 255, 0.06) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(131, 56, 236, 0.03) 0px, transparent 60%),
        radial-gradient(at 100% 100%, rgba(255, 190, 11, 0.05) 0px, transparent 50%);
      background-attachment: fixed;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 容器居中规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 统一章节排版 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      margin-bottom: 50px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background: linear-gradient(135deg, rgba(255, 94, 151, 0.12), rgba(58, 134, 255, 0.12));
      color: var(--candy-purple);
      border: 1px solid rgba(131, 56, 236, 0.2);
      border-radius: var(--radius-full);
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(229, 235, 245, 0.8);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

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

    .brand-text {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.1;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .brand-tag {
      font-size: 0.72rem;
      color: var(--text-light);
      font-weight: 500;
      letter-spacing: 0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-link-item {
      padding: 8px 12px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-link-item:hover, .nav-link-item.active {
      color: var(--candy-blue);
      background-color: rgba(58, 134, 255, 0.08);
    }

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

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: var(--transition);
      border: none;
      outline: none;
      text-align: center;
      text-decoration: none;
    }

    .btn-candy-primary {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(255, 94, 151, 0.35);
    }

    .btn-candy-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255, 94, 151, 0.5);
      color: #ffffff;
    }

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

    .btn-candy-secondary:hover {
      background: rgba(131, 56, 236, 0.05);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: var(--text-main);
      padding: 6px;
    }

    /* 首屏 Hero 区域（严格无图片） */
    .hero-section {
      padding: 90px 0 70px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      background: linear-gradient(135deg, rgba(255, 94, 151, 0.12), rgba(0, 240, 255, 0.12));
      border: 1px solid rgba(255, 94, 151, 0.3);
      border-radius: var(--radius-full);
      color: var(--candy-purple);
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-title .highlight-candy {
      background: linear-gradient(120deg, var(--candy-pink), var(--candy-purple) 50%, var(--candy-blue));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

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

    .btn-hero-main {
      padding: 16px 36px;
      font-size: 1.1rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-orange), var(--candy-pink) 50%, var(--candy-purple));
      color: #ffffff;
      border-radius: var(--radius-full);
      box-shadow: 0 10px 25px rgba(251, 86, 7, 0.35);
      border: none;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .btn-hero-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 32px rgba(251, 86, 7, 0.45);
      color: #ffffff;
    }

    .hero-tags-wall {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 960px;
      margin: 0 auto;
    }

    .model-chip {
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-muted);
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
      transition: var(--transition);
    }

    .model-chip:hover {
      border-color: var(--candy-cyan);
      color: var(--candy-blue);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    /* 指标统计栏 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 50px;
    }

    .metric-card {
      background: #ffffff;
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

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

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

    .metric-number {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 6px;
      color: var(--candy-purple);
    }

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

    /* 卡片网格系统通用 */
    .candy-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

    .candy-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .candy-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-candy);
      border-color: rgba(58, 134, 255, 0.3);
    }

    .card-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: #ffffff;
    }

    .card-icon-pink { background: linear-gradient(135deg, #ff758c, #ff7eb3); }
    .card-icon-blue { background: linear-gradient(135deg, #4facfe, #00f2fe); }
    .card-icon-purple { background: linear-gradient(135deg, #b174f9, #7c3aed); }
    .card-icon-yellow { background: linear-gradient(135deg, #f6d365, #fda085); }
    .card-icon-green { background: linear-gradient(135deg, #43e97b, #38f9d7); }
    .card-icon-orange { background: linear-gradient(135deg, #fa709a, #fee140); }

    .card-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* 平台介绍深度模块 */
    .intro-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-text-block {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .intro-checklist {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 10px;
    }

    .intro-check-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .intro-check-item svg {
      width: 18px;
      height: 18px;
      fill: var(--candy-green);
      flex-shrink: 0;
    }

    .intro-media-card {
      background: linear-gradient(135deg, rgba(255, 94, 151, 0.05), rgba(58, 134, 255, 0.05));
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-sm);
    }

    .intro-media-card img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      width: 100%;
      height: auto;
      object-fit: cover;
    }

    /* 对比评测精工板块 */
    .review-highlight-box {
      background: linear-gradient(135deg, #fff5f8, #f0f7ff);
      border: 2px solid rgba(255, 94, 151, 0.25);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-md);
    }

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

    .score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-orange), var(--candy-pink));
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(251, 86, 7, 0.3);
    }

    .score-num {
      font-size: 2.1rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      opacity: 0.9;
    }

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

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

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

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

    .compare-table th {
      background: #f8fafc;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table td {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

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

    .highlight-cell {
      background: rgba(255, 94, 151, 0.04);
      font-weight: 700;
      color: var(--candy-purple) !important;
    }

    .status-badge-win {
      display: inline-block;
      padding: 3px 8px;
      border-radius: var(--radius-full);
      background: rgba(6, 214, 160, 0.15);
      color: #059669;
      font-size: 0.78rem;
      font-weight: 700;
    }

    /* 流程步骤 */
    .step-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      transition: var(--transition);
    }

    .step-item:hover {
      border-color: var(--candy-pink);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .step-badge {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-blue), var(--candy-cyan));
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      font-size: 1.1rem;
    }

    .step-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 素材案例展示 */
    .cases-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .case-img-box {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #eef2f8;
    }

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

    .case-banner-card:hover .case-img-box img {
      transform: scale(1.05);
    }

    .case-info {
      padding: 20px;
    }

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

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

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

    .review-user-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .review-user-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-candy);
      border-color: var(--candy-purple);
    }

    .review-user-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .user-avatar-text {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-yellow));
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .user-info-meta h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .review-content {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
      flex-grow: 1;
    }

    .review-stars {
      color: var(--candy-yellow);
      margin-top: 14px;
      font-size: 0.9rem;
    }

    /* FAQ 手风琴面板 */
    .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-item:hover {
      border-color: var(--candy-blue);
    }

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

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

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.75;
      background: #fafcfe;
    }

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

    .faq-item.active .faq-toggle-icon {
      transform: rotate(180deg);
    }

    .faq-item.active .faq-content {
      padding: 16px 24px 22px;
      max-height: 350px;
    }

    /* 表单与需求匹配 */
    .form-section-container {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: stretch;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .form-info-pane {
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      color: #ffffff;
      padding: 44px 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-info-pane h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .form-info-pane p {
      font-size: 0.95rem;
      opacity: 0.9;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }

    .form-body-pane {
      padding: 44px 36px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background: #fafcfe;
      color: var(--text-main);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--candy-blue);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.15);
    }

    /* 文章列表模块 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .article-post-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .article-post-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--candy-cyan);
    }

    .article-meta {
      font-size: 0.78rem;
      color: var(--candy-purple);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .article-post-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-post-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .article-read-btn {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--candy-blue);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 友情链接与底部 */
    .links-bar {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 30px 0;
    }

    .links-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .friendly-links-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friendly-links-flow a {
      font-size: 0.88rem;
      color: var(--text-muted);
      background: #f4f7fc;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-color);
    }

    .friendly-links-flow a:hover {
      color: var(--candy-purple);
      border-color: var(--candy-purple);
      background: #ffffff;
    }

    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      font-size: 0.9rem;
    }

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

    .footer-col-title {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-col-links li {
      margin-bottom: 10px;
    }

    .footer-col-links a {
      color: #94a3b8;
    }

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

    .footer-qrcode-box {
      width: 110px;
      height: 110px;
      background: #ffffff;
      padding: 6px;
      border-radius: var(--radius-sm);
      margin-top: 10px;
    }

    .footer-qrcode-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 25px;
      text-align: center;
      font-size: 0.85rem;
    }

    /* 浮动客服入口 */
    .float-kefu-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 10px;
    }

    .kefu-trigger-btn {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      box-shadow: 0 8px 24px rgba(255, 94, 151, 0.4);
      cursor: pointer;
      transition: var(--transition);
      border: none;
    }

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

    .kefu-popover-card {
      display: none;
      width: 220px;
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      text-align: center;
      animation: popIn 0.25s ease-out forwards;
    }

    .float-kefu-widget:hover .kefu-popover-card {
      display: block;
    }

    .kefu-popover-card img {
      width: 140px;
      height: 140px;
      margin: 0 auto 10px;
      border-radius: var(--radius-sm);
    }

    .kefu-popover-card p {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--text-main);
    }

    @keyframes popIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .metrics-bar { grid-template-columns: repeat(2, 1fr); }
      .intro-grid { grid-template-columns: 1fr; }
      .step-timeline { grid-template-columns: repeat(2, 1fr); }
      .cases-gallery { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .form-section-container { grid-template-columns: 1fr; }
      .footer-content-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show { display: flex; }
      .nav-link-item { width: 100%; text-align: center; padding: 12px; }
      .menu-toggle { display: block; }
      .hero-title { font-size: 1.85rem; }
      .hero-desc { font-size: 1rem; }
      .review-highlight-box { flex-direction: column; text-align: center; }
      .review-score-pane { flex-direction: column; }
      .step-timeline { grid-template-columns: 1fr; }
      .footer-content-grid { grid-template-columns: 1fr; }
    }