/* CSS 重置与变量定义 - 艳红热烈企业风 */
    :root {
      --primary: #c62828;
      --primary-hover: #b71c1c;
      --primary-light: #fff2f1;
      --primary-glow: rgba(198, 40, 40, 0.12);
      --accent: #d32f2f;
      --accent-sub: #f57c00;
      --bg-page: #fdfbfb;
      --bg-alt: #f8f4f3;
      --bg-white: #ffffff;
      --text-main: #1f2329;
      --text-sub: #4b525d;
      --text-muted: #758195;
      --border-color: #f2dedc;
      --card-shadow: 0 4px 16px rgba(198, 40, 40, 0.05);
      --card-hover: 0 12px 28px rgba(198, 40, 40, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.28s ease;
    }

    * {
      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;
      -webkit-font-smoothing: antialiased;
    }

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 链接与排版通用 */
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    ul, ol {
      list-style: none;
    }

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

    .section-wrap {
      padding: 72px 0;
      position: relative;
    }

    .section-wrap.alt-bg {
      background-color: var(--bg-alt);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      background-color: var(--primary-light);
      border: 1px solid #ffd4d1;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      color: #8b0000;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 按钮样式体系 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 26px;
      font-size: 0.98rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #c62828 0%, #b71c1c 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(198, 40, 40, 0.25);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #d32f2f 0%, #c62828 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(198, 40, 40, 0.35);
      color: #ffffff;
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary);
      border: 1.5px solid var(--primary);
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
      color: var(--primary-hover);
      transform: translateY(-2px);
    }

    .btn-hero {
      padding: 14px 34px;
      font-size: 1.08rem;
      border-radius: 8px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid #fee8e6;
      box-shadow: 0 2px 10px rgba(198, 40, 40, 0.04);
    }

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

    .brand-logo-area {
      display: flex;
      align-items: center;
      flex-shrink: 0;
      gap: 10px;
    }

    .brand-logo-area .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: #990000;
      letter-spacing: 0.5px;
    }

    /* 严格执行：gap 为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
      margin: 0;
      padding: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 13px;
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: 4px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }

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

    .nav-toggle-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--primary);
    }

    /* 首屏 Hero - 严格无图，纯CSS渐变几何与数据组件 */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 85% 15%, #ffebe9 0%, #fff6f5 45%, #fdfbfb 85%);
      padding: 80px 0 70px 0;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    /* 抽象科技红光晕装饰 */
    .hero-decor-orb-1 {
      position: absolute;
      top: -120px;
      right: -100px;
      width: 440px;
      height: 440px;
      background: radial-gradient(circle, rgba(229, 57, 53, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-decor-orb-2 {
      position: absolute;
      bottom: -150px;
      left: -80px;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(245, 124, 0, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #ffccd0;
      box-shadow: 0 4px 12px rgba(198, 40, 40, 0.08);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: #e53935;
      box-shadow: 0 0 8px #e53935;
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    /* H1 精准控制20字以内 */
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: #920505;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-sub {
      font-size: 1.18rem;
      color: var(--text-sub);
      line-height: 1.68;
      max-width: 780px;
      margin: 0 auto 36px auto;
    }

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

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      text-align: left;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid #fee8e6;
      border-radius: var(--radius-md);
      padding: 20px 22px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

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

    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--card-hover);
      border-color: #ffccd0;
    }

    .stat-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: #b71c1c;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 模型矩阵滚动标签条 */
    .model-pills-wrap {
      margin-top: 40px;
      background: #ffffff;
      border: 1px solid #fedbd9;
      border-radius: var(--radius-md);
      padding: 18px 24px;
      box-shadow: var(--card-shadow);
    }

    .model-pills-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: #8b0000;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pills-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .pill-item {
      font-size: 0.8rem;
      font-weight: 600;
      color: #631f1f;
      background: #fff5f4;
      border: 1px solid #ffd8d6;
      padding: 4px 11px;
      border-radius: 4px;
      transition: var(--transition);
    }

    .pill-item:hover {
      background: #c62828;
      color: #ffffff;
      border-color: #c62828;
      transform: translateY(-1px);
    }

    /* 通用卡片网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover);
      border-color: #f7b4af;
    }

    .card-icon-badge {
      width: 48px;
      height: 48px;
      background: #ffebe9;
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 18px;
      font-weight: 700;
    }

    .card-title {
      font-size: 1.22rem;
      font-weight: 700;
      color: #8b0000;
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .card-text {
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.6;
      flex-grow: 1;
    }

    .card-meta-tag {
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px dashed #fee4e2;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--primary);
    }

    /* 生产矩阵卡片 */
    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      position: relative;
    }

    .scenario-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--card-hover);
      border-color: #fca8a2;
    }

    .scenario-tag {
      font-size: 0.76rem;
      background: #fff1f0;
      color: #c62828;
      border: 1px solid #ffd4d1;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
      display: inline-block;
      font-weight: 600;
    }

    .scenario-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #2c0909;
      margin-bottom: 8px;
    }

    .scenario-desc {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.55;
    }

    /* 交付流程 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
      position: relative;
    }

    .flow-step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      text-align: center;
      position: relative;
      box-shadow: var(--card-shadow);
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #c62828 0%, #b71c1c 100%);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px auto;
      font-size: 0.95rem;
      font-weight: 800;
    }

    .step-title {
      font-size: 1rem;
      font-weight: 700;
      color: #8b0000;
      margin-bottom: 6px;
    }

    .step-desc {
      font-size: 0.82rem;
      color: var(--text-sub);
      line-height: 1.45;
    }

    /* 对比评测模块 */
    .review-score-hero {
      background: linear-gradient(135deg, #fff5f5 0%, #ffe9e7 100%);
      border: 1.5px solid #ffccd0;
      border-radius: var(--radius-lg);
      padding: 32px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: 0 8px 24px rgba(198, 40, 40, 0.08);
    }

    .score-badge-area {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .star-render {
      font-size: 1.8rem;
      color: #e53935;
      letter-spacing: 2px;
    }

    .score-digital {
      font-size: 3.2rem;
      font-weight: 900;
      color: #b71c1c;
      line-height: 1;
    }

    .score-digital small {
      font-size: 1.3rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .score-evaluation-text h3 {
      font-size: 1.4rem;
      color: #8b0000;
      margin-bottom: 4px;
      font-weight: 800;
    }

    .score-evaluation-text p {
      font-size: 0.95rem;
      color: var(--text-sub);
    }

    /* 对比评测表格 */
    .compare-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--card-shadow);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 720px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #fce8e6;
      font-size: 0.94rem;
    }

    .compare-table th {
      background-color: #fff3f2;
      color: #8b0000;
      font-weight: 700;
    }

    .compare-table td:first-child {
      font-weight: 600;
      color: #1f2329;
      width: 22%;
    }

    .compare-table tr:hover td {
      background-color: #fffbfb;
    }

    .highlight-col {
      background-color: #fff9f8;
      font-weight: 600;
      color: #b71c1c;
    }

    /* 案例展示区 (含素材图片与宣传图) */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

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

    .case-media-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover);
      border-color: #ffccd0;
    }

    .case-img-box {
      width: 100%;
      background-color: #f7eeee;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-box img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .case-info {
      padding: 20px;
      flex-grow: 1;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #8b0000;
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

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

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

    .review-card:hover {
      border-color: #ffb4af;
      transform: translateY(-3px);
      box-shadow: var(--card-hover);
    }

    .review-quote {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }

    .review-quote::before {
      content: "“";
      font-size: 2.2rem;
      color: #ffd4d1;
      line-height: 1;
      display: block;
      margin-bottom: 4px;
    }

    .review-user-box {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed #fee3e1;
      padding-top: 14px;
    }

    .avatar-initial {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #ffebe9;
      color: #b71c1c;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
      border: 1px solid #ffd4d1;
    }

    .user-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: #1f2329;
    }

    .user-role {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* Token 比价卡片区 */
    .token-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--card-shadow);
    }

    .token-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .token-table th,
    .token-table td {
      padding: 14px 20px;
      border-bottom: 1px solid #fee8e6;
      font-size: 0.92rem;
    }

    .token-table th {
      background-color: #fff2f1;
      color: #8b0000;
      font-weight: 700;
    }

    .price-official {
      text-decoration: line-through;
      color: #8d98aa;
    }

    .price-platform {
      color: #c62828;
      font-weight: 800;
      font-size: 1.05rem;
    }

    .badge-discount {
      background: #c62828;
      color: #ffffff;
      font-size: 0.75rem;
      padding: 2px 7px;
      border-radius: 4px;
      font-weight: 600;
      margin-left: 6px;
    }

    /* 需求匹配与提交表单模块 */
    .matching-form-card {
      background: #ffffff;
      border: 1.5px solid #ffccd0;
      border-radius: var(--radius-lg);
      padding: 38px 44px;
      box-shadow: 0 8px 30px rgba(198, 40, 40, 0.08);
      max-width: 880px;
      margin: 0 auto;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-group-full {
      grid-column: span 2;
    }

    .form-label {
      display: block;
      font-size: 0.92rem;
      font-weight: 600;
      color: #2b303a;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid #ffd8d6;
      border-radius: var(--radius-sm);
      background-color: #fffefe;
      color: var(--text-main);
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: #c62828;
      box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.12);
    }

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

    /* 折叠 FAQ 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;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: #ffccd0;
      box-shadow: 0 4px 16px rgba(198, 40, 40, 0.08);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 700;
      color: #2a0808;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .faq-icon {
      font-size: 1.25rem;
      color: #c62828;
      transition: transform 0.28s ease;
      font-weight: 800;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      background-color: #fff9f9;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-top-color: #feebe9;
    }

    .faq-answer-inner {
      padding: 16px 24px 22px 24px;
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* 资讯与百科 */
    .article-links-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      margin-top: 24px;
      box-shadow: var(--card-shadow);
    }

    .article-links-box h4 {
      font-size: 1.08rem;
      color: #8b0000;
      margin-bottom: 12px;
      font-weight: 700;
    }

    .article-url-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .article-link-chip {
      background: #fff3f2;
      color: #b71c1c;
      border: 1px solid #ffd4d1;
      padding: 6px 14px;
      border-radius: 4px;
      font-size: 0.88rem;
      font-weight: 500;
    }

    .article-link-chip:hover {
      background: #c62828;
      color: #ffffff;
      border-color: #c62828;
    }

    /* 加盟代理模块 */
    .agency-card {
      background: linear-gradient(135deg, #ffffff 0%, #fff6f5 100%);
      border: 2px solid #ffd4d1;
      border-radius: var(--radius-lg);
      padding: 38px 42px;
      box-shadow: var(--card-shadow);
    }

    .agency-perks-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin: 28px 0;
    }

    .agency-perk-item {
      background: #ffffff;
      border: 1px solid #fee0de;
      border-radius: var(--radius-sm);
      padding: 18px;
      text-align: center;
    }

    .agency-perk-item h4 {
      font-size: 1.05rem;
      color: #920505;
      margin-bottom: 6px;
      font-weight: 700;
    }

    .agency-perk-item p {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* 联系我们与二维码展示 */
    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-info-row {
      display: flex;
      align-items: center;
      gap: 14px;
      background: #ffffff;
      padding: 16px 20px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      box-shadow: var(--card-shadow);
    }

    .contact-icon {
      width: 40px;
      height: 40px;
      background: #ffebeb;
      color: #c62828;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .contact-details h5 {
      font-size: 0.84rem;
      color: var(--text-muted);
      margin-bottom: 2px;
    }

    .contact-details p {
      font-size: 1.02rem;
      color: #1f2329;
      font-weight: 600;
    }

    .qr-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      text-align: center;
      box-shadow: var(--card-shadow);
      max-width: 320px;
      margin: 0 auto;
    }

    .qr-card-box img {
      width: 180px;
      height: 180px;
      object-fit: cover;
      margin: 0 auto 16px auto;
      border: 1px solid #ffd8d6;
      border-radius: 8px;
      padding: 6px;
      background: #ffffff;
    }

    .qr-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #8b0000;
      margin-bottom: 4px;
    }

    .qr-card-tip {
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background-color: #2b0b0b;
      color: #fce8e6;
      padding: 56px 0 28px 0;
      border-top: 3px solid #c62828;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.08rem;
      color: #ffffff;
      margin-bottom: 18px;
      font-weight: 700;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background-color: #e53935;
    }

    .footer-col p {
      font-size: 0.9rem;
      color: #e0c8c6;
      line-height: 1.6;
      margin-bottom: 16px;
    }

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

    .footer-links-list a {
      color: #dfcbc9;
      font-size: 0.9rem;
    }

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

    .friend-links-area {
      border-top: 1px solid #4a1d1d;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-area h5 {
      font-size: 0.92rem;
      color: #ffffff;
      margin-bottom: 12px;
    }

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

    .friend-links-wrap a {
      color: #e3cbca;
      font-size: 0.88rem;
      transition: var(--transition);
    }

    .friend-links-wrap a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-bottom {
      border-top: 1px solid #421818;
      padding-top: 22px;
      text-align: center;
      font-size: 0.86rem;
      color: #baa4a2;
    }

    /* 悬浮侧边操作栏 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #c62828;
      color: #ffffff;
      border: 1px solid #ff9e99;
      box-shadow: 0 4px 14px rgba(198, 40, 40, 0.35);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.15rem;
    }

    .float-btn:hover {
      background: #b71c1c;
      transform: scale(1.08);
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .flow-steps { grid-template-columns: repeat(3, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .agency-perks-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: repeat(2, 1fr); }
      .case-gallery-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        padding: 20px 0;
        border-bottom: 2px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links li a {
        display: block;
        padding: 12px 20px;
      }
      .nav-toggle-btn {
        display: block;
      }
      .hero-title { font-size: 1.95rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-2 { grid-template-columns: 1fr; }
      .grid-3 { grid-template-columns: 1fr; }
      .grid-4 { grid-template-columns: 1fr; }
      .flow-steps { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: 1fr; }
      .case-gallery-grid { grid-template-columns: 1fr; }
      .review-score-hero { flex-direction: column; text-align: center; gap: 20px; }
      .score-badge-area { flex-direction: column; gap: 10px; }
      .form-grid { grid-template-columns: 1fr; }
      .form-group-full { grid-column: span 1; }
      .contact-layout { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
    }