:root {
      --primary: #4338ca;
      --primary-light: #6366f1;
      --accent-coral: #ff4d4f;
      --accent-yellow: #ffb703;
      --accent-cyan: #06d6a0;
      --accent-purple: #7209b7;
      --text-main: #0f172a;
      --text-muted: #475569;
      --bg-page: #f8fafc;
      --bg-white: #ffffff;
      --bg-warm: #fffbeb;
      --border-color: #e2e8f0;
      --border-bold: #1e293b;
      --shadow-punch: 4px 4px 0px #1e293b;
      --shadow-punch-lg: 6px 6px 0px #1e293b;
      --shadow-punch-hover: 2px 2px 0px #1e293b;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      background-image: 
        radial-gradient(#e2e8f0 1.2px, transparent 1.2px), 
        linear-gradient(to bottom, #ffffff, #f1f5f9);
      background-size: 28px 28px, 100% 100%;
      background-repeat: repeat, no-repeat;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 2px solid var(--border-bold);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-box {
      max-width: 130px;
      display: flex;
      align-items: center;
    }
    .brand-title {
      font-weight: 800;
      font-size: 1.25rem;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links a {
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      display: inline-block;
    }
    .nav-links a:hover {
      background-color: #fef08a;
      color: #000;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-solid {
      background-color: var(--accent-coral);
      color: #fff;
      font-weight: 700;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      border: 2px solid var(--border-bold);
      box-shadow: var(--shadow-punch);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-solid:hover {
      transform: translate(2px, 2px);
      box-shadow: var(--shadow-punch-hover);
      color: #fff;
    }
    .btn-yellow {
      background-color: var(--accent-yellow);
      color: #000;
    }

    .mobile-menu-btn {
      display: none;
      background: #f1f5f9;
      border: 2px solid var(--border-bold);
      padding: 8px 12px;
      font-weight: 800;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }

    /* 区域标题通用组件 */
    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-block;
      padding: 6px 14px;
      background: #fef08a;
      color: #1e293b;
      font-weight: 800;
      font-size: 0.85rem;
      text-transform: uppercase;
      border-radius: 40px;
      border: 2px solid var(--border-bold);
      box-shadow: 2px 2px 0px var(--border-bold);
      margin-bottom: 12px;
    }
    .section-head h2 {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 10px;
    }
    .section-head p {
      color: var(--text-muted);
      max-width: 650px;
      margin: 0 auto;
      font-size: 1.05rem;
    }

    /* 首屏 Hero 区块 (无任何图片) */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
    }
    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #e0e7ff;
      border: 2px solid var(--border-bold);
      padding: 6px 18px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 24px;
      box-shadow: 3px 3px 0px var(--border-bold);
    }
    .hero-title {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      max-width: 900px;
      color: var(--text-main);
    }
    .hero-title span {
      background: linear-gradient(135deg, #4338ca, #d946ef);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 760px;
      margin-bottom: 34px;
    }
    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 48px;
    }
    .btn-hero-primary {
      background: #ff4d4f;
      color: #fff;
      font-size: 1.15rem;
      font-weight: 800;
      padding: 16px 36px;
      border-radius: var(--radius-md);
      border: 3px solid var(--border-bold);
      box-shadow: var(--shadow-punch-lg);
      transition: all 0.2s ease;
    }
    .btn-hero-primary:hover {
      transform: translate(3px, 3px);
      box-shadow: 2px 2px 0px var(--border-bold);
      color: #fff;
    }
    .btn-hero-secondary {
      background: #ffffff;
      color: var(--text-main);
      font-size: 1.15rem;
      font-weight: 800;
      padding: 16px 32px;
      border-radius: var(--radius-md);
      border: 3px solid var(--border-bold);
      box-shadow: var(--shadow-punch-lg);
      transition: all 0.2s ease;
    }
    .btn-hero-secondary:hover {
      transform: translate(3px, 3px);
      box-shadow: 2px 2px 0px var(--border-bold);
    }

    /* 纯 CSS 科技感数据卡片区 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      width: 100%;
      max-width: 1040px;
    }
    .stat-card {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      padding: 22px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-punch);
      position: relative;
      text-align: left;
    }
    .stat-card:nth-child(1) { border-top: 6px solid #4f46e5; }
    .stat-card:nth-child(2) { border-top: 6px solid #ff4d4f; }
    .stat-card:nth-child(3) { border-top: 6px solid #06d6a0; }
    .stat-card:nth-child(4) { border-top: 6px solid #ffb703; }
    .stat-num {
      font-size: 1.9rem;
      font-weight: 900;
      color: var(--text-main);
      display: block;
      margin-bottom: 4px;
    }
    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 模型墙标签云 */
    .models-marquee-section {
      padding: 24px 0 40px;
    }
    .marquee-card {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      box-shadow: var(--shadow-punch);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }
    .marquee-title {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-muted);
      letter-spacing: 1px;
    }
    .tags-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .tag-badge {
      background: #f1f5f9;
      border: 1.5px solid var(--border-bold);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #1e293b;
      transition: all 0.2s ease;
    }
    .tag-badge:hover {
      background: #4338ca;
      color: #fff;
      transform: translateY(-2px);
    }
    .tag-badge.highlight {
      background: #fee2e2;
      color: #b91c1c;
      border-color: #b91c1c;
    }

    /* 通用 section */
    .page-section {
      padding: 60px 0;
    }
    .bg-alt {
      background-color: #f1f5f9;
      border-top: 2px dashed #cbd5e1;
      border-bottom: 2px dashed #cbd5e1;
    }

    /* 关于我们与平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .about-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .about-content p {
      font-size: 1.05rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }
    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }
    .feature-check-list li {
      font-weight: 700;
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .feature-check-list li::before {
      content: "✔";
      display: inline-block;
      width: 20px;
      height: 20px;
      background: #06d6a0;
      color: #000;
      text-align: center;
      line-height: 20px;
      border-radius: 50%;
      border: 1.5px solid var(--border-bold);
      font-size: 0.75rem;
    }
    .media-card-box {
      background: #fff;
      border: 3px solid var(--border-bold);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-punch-lg);
    }
    .media-card-box img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      display: block;
      border: 1px solid var(--border-color);
    }

    /* 核心服务与一站式制作卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-punch);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-punch-lg);
    }
    .service-pill {
      align-self: flex-start;
      padding: 4px 10px;
      background: #e0f2fe;
      color: #0369a1;
      font-size: 0.75rem;
      font-weight: 800;
      border-radius: 6px;
      margin-bottom: 14px;
      border: 1px solid #7dd3fc;
    }
    .service-title {
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .service-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .service-points {
      list-style: none;
      font-size: 0.88rem;
      color: #334155;
      font-weight: 600;
      margin-top: auto;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }
    .service-points li {
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .service-points li::before {
      content: "•";
      color: var(--accent-coral);
      font-size: 1.2rem;
    }

    /* 对比评测卡片与表格 */
    .review-score-banner {
      background: #ffffff;
      border: 3px solid var(--border-bold);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-punch-lg);
      margin-bottom: 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .score-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .score-left p {
      color: var(--text-muted);
      font-size: 1rem;
    }
    .score-right {
      display: flex;
      align-items: center;
      gap: 24px;
      background: #fffbeb;
      padding: 16px 28px;
      border-radius: var(--radius-md);
      border: 2px solid var(--border-bold);
    }
    .score-val {
      font-size: 3.2rem;
      font-weight: 900;
      color: #d97706;
      line-height: 1;
    }
    .score-meta {
      font-weight: 800;
    }
    .stars-icon {
      color: #f59e0b;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-punch);
    }
    .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);
      border-bottom: 2px solid var(--border-bold);
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-cell {
      background: #eff6ff;
      font-weight: 700;
      color: #1d4ed8;
    }
    .badge-win {
      display: inline-block;
      padding: 2px 8px;
      background: #bbf7d0;
      color: #166534;
      font-size: 0.75rem;
      font-weight: 800;
      border-radius: 4px;
      border: 1px solid #16a34a;
      margin-left: 6px;
    }

    /* 标准流程时间线 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .process-card {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      padding: 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-punch);
      position: relative;
    }
    .process-step {
      display: inline-block;
      width: 36px;
      height: 36px;
      background: var(--accent-yellow);
      border: 2px solid var(--border-bold);
      font-weight: 900;
      font-size: 1.1rem;
      text-align: center;
      line-height: 32px;
      border-radius: 50%;
      margin-bottom: 14px;
    }
    .process-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .process-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 案例中心展示 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .case-box {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-punch);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .case-img-wrap {
      width: 100%;
      background: #f1f5f9;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      border-bottom: 2px solid var(--border-bold);
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    .case-box:hover .case-img-wrap img {
      transform: scale(1.03);
    }
    .case-body {
      padding: 20px;
    }
    .case-body h4 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .case-body p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-punch);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #f59e0b;
      font-size: 1rem;
      margin-bottom: 12px;
    }
    .review-text {
      font-size: 0.95rem;
      color: var(--text-main);
      font-style: italic;
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
    }
    .author-avatar-badge {
      width: 42px;
      height: 42px;
      background: #e0e7ff;
      border: 2px solid var(--border-bold);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      color: #4338ca;
    }
    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 800;
    }
    .author-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-punch);
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-question {
      width: 100%;
      text-align: left;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 800;
      background: none;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      color: var(--text-main);
    }
    .faq-question:hover {
      background: #f8fafc;
    }
    .faq-toggle-icon {
      font-size: 1.4rem;
      font-weight: 700;
      transition: transform 0.2s ease;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
      border-top: 1px dashed var(--border-color);
      margin-top: -6px;
      padding-top: 16px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    /* 需求匹配与表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border: 3px solid var(--border-bold);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-punch-lg);
    }
    .contact-info-col h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .contact-info-col p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .channel-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 28px;
    }
    .channel-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.98rem;
      font-weight: 700;
    }
    .channel-icon {
      width: 34px;
      height: 34px;
      background: #fef08a;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
    }
    .qr-box {
      display: inline-block;
      padding: 12px;
      background: #f8fafc;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      text-align: center;
    }
    .qr-box img {
      max-width: 140px;
      height: auto;
      border-radius: var(--radius-sm);
      display: block;
      margin: 0 auto 8px;
    }
    .qr-box span {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
    }

    /* 表单组件 */
    .form-col {
      background: #fafafa;
      padding: 28px;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #ffffff;
      outline: none;
      transition: all 0.2s ease;
      font-family: inherit;
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.2);
    }
    select.form-control {
      cursor: pointer;
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 加盟代理 Banner */
    .partner-banner {
      background: linear-gradient(135deg, #fef08a, #fed7aa);
      border: 3px solid var(--border-bold);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-punch-lg);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .partner-text h3 {
      font-size: 1.85rem;
      font-weight: 900;
      margin-bottom: 8px;
    }
    .partner-text p {
      font-size: 1.05rem;
      color: #334155;
      font-weight: 600;
    }

    /* 行业资讯与文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }
    .article-item-card {
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-punch);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-item-card h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 10px;
    }
    .article-item-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 14px;
    }
    .article-link {
      font-size: 0.85rem;
      font-weight: 800;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .article-link:hover {
      text-decoration: underline;
    }
    .article-placeholder-block {
      background: #fff;
      border: 2px dashed var(--border-bold);
      padding: 16px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: var(--text-muted);
      text-align: center;
    }

    /* 友情链接与页脚 */
    .links-bar {
      padding: 24px 0;
      border-top: 2px solid var(--border-bold);
      background: #f1f5f9;
    }
    .links-title {
      font-weight: 800;
      font-size: 0.95rem;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .links-container {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }
    .links-container a {
      font-size: 0.88rem;
      color: #334155;
      background: #ffffff;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid #cbd5e1;
      transition: all 0.2s ease;
    }
    .links-container a:hover {
      background: #4338ca;
      color: #ffffff;
      border-color: #4338ca;
    }

    .site-footer {
      background: #ffffff;
      border-top: 3px solid var(--border-bold);
      padding: 40px 0 30px;
    }
    .footer-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 16px;
    }
    .footer-nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 18px;
      font-weight: 700;
      font-size: 0.9rem;
    }
    .footer-nav a:hover {
      color: var(--primary);
    }
    .footer-info {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 悬浮客服面板 */
    .floating-contact-panel {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: 50%;
      box-shadow: var(--shadow-punch);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1rem;
      color: var(--text-main);
      cursor: pointer;
      position: relative;
      transition: all 0.2s ease;
    }
    .float-btn:hover {
      transform: translate(-2px, -2px);
      box-shadow: 4px 4px 0px var(--border-bold);
    }
    .float-btn.primary {
      background: var(--accent-coral);
      color: #fff;
    }
    .float-popover {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      border: 2px solid var(--border-bold);
      border-radius: var(--radius-md);
      padding: 12px;
      box-shadow: var(--shadow-punch-lg);
      width: 170px;
      text-align: center;
    }
    .float-btn:hover .float-popover {
      display: block;
    }
    .float-popover img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      display: block;
      margin-bottom: 6px;
    }
    .float-popover p {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--text-main);
      margin: 0;
    }

    /* 响应式断点控制 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 2px solid var(--border-bold);
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .process-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .partner-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .contact-wrapper {
        padding: 20px;
      }
    }