:root {
      --primary-red: #d32f2f;
      --primary-dark-red: #b71c1c;
      --primary-crimson: #c2185b;
      --accent-gold: #ffb300;
      --accent-coral: #ff5252;
      --bg-page: #fbf8f8;
      --bg-card: #ffffff;
      --bg-soft-red: #fff5f5;
      --text-main: #1f2937;
      --text-secondary: #4b5563;
      --text-muted: #6b7280;
      --border-light: #fecdd3;
      --border-subtle: #f3f4f6;
      --shadow-sm: 0 2px 4px rgba(211, 47, 47, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(211, 47, 47, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(183, 28, 28, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --transition-base: 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, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(8px);
      border-bottom: 2px solid var(--border-light);
      box-shadow: 0 2px 10px rgba(211, 47, 47, 0.06);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      text-decoration: none;
      height: 44px;
    }

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

    .nav-menu {
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-main);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      transition: var(--transition-base);
      border-radius: var(--radius-sm);
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      text-decoration: none;
      transition: var(--transition-base);
      cursor: pointer;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent-coral) 0%, var(--primary-red) 50%, var(--primary-dark-red) 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(211, 47, 47, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
      background: linear-gradient(135deg, #ff6b6b 0%, var(--primary-dark-red) 100%);
    }

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

    .btn-outline:hover {
      background-color: var(--bg-soft-red);
      color: var(--primary-dark-red);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 区域通用规范 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-block:nth-child(even) {
      background-color: #ffffff;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--bg-soft-red);
      color: var(--primary-red);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 30px;
      border: 1px solid var(--border-light);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

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

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, #ffebee 0%, #fffbfb 45%, #ffffff 90%);
      border-bottom: 1px solid var(--border-light);
      position: relative;
      overflow: hidden;
    }

    .hero-glow-1 {
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(255, 82, 82, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
      top: -100px;
      left: -100px;
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-glow-2 {
      position: absolute;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(211, 47, 47, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
      bottom: -150px;
      right: -100px;
      border-radius: 50%;
      pointer-events: none;
    }

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

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffebee;
      border: 1px solid #ffcdd2;
      border-radius: 50px;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge-tag {
      background: var(--primary-red);
      color: #fff;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 20px;
      font-weight: 700;
    }

    .hero-badge-text {
      color: var(--primary-dark-red);
      font-size: 0.88rem;
      font-weight: 600;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: #111827;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-title-highlight {
      color: var(--primary-red);
      position: relative;
      display: inline-block;
    }

    .hero-title-highlight::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 0;
      width: 100%;
      height: 8px;
      background-color: rgba(255, 82, 82, 0.2);
      z-index: -1;
      border-radius: 4px;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 700;
    }

    .btn-hero-secondary {
      padding: 14px 30px;
      font-size: 1.1rem;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      padding: 28px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-light);
    }

    .metric-item {
      text-align: center;
      border-right: 1px solid var(--border-subtle);
    }

    .metric-item:last-child {
      border-right: none;
    }

    .metric-val {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary-red);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台介绍 */
    .about-card-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: stretch;
    }

    .about-main-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

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

    .about-feat-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px;
      background: var(--bg-soft-red);
      border-radius: var(--radius-md);
      border-left: 3px solid var(--primary-red);
    }

    .about-feat-item h4 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .about-feat-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .about-side-box {
      background: linear-gradient(145deg, #ffffff 0%, #fff5f5 100%);
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid #ffcdd2;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .model-chip-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .model-chip {
      background: #ffffff;
      padding: 5px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary-dark-red);
      border: 1px solid #ffcdd2;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    }

    /* 服务与创作工坊 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid #f3f4f6;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-base);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #ffcdd2;
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      background: #ffebee;
      color: var(--primary-red);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.6;
      flex-grow: 1;
    }

    .service-meta {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-subtle);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: var(--primary-red);
      font-weight: 600;
    }

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

    .scene-item {
      background: #ffffff;
      padding: 22px;
      border-radius: var(--radius-md);
      border: 1px solid #f0f0f0;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-base);
    }

    .scene-item:hover {
      border-color: var(--primary-red);
      box-shadow: var(--shadow-md);
    }

    .scene-item h4 {
      font-size: 1.05rem;
      margin-bottom: 8px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .scene-item h4::before {
      content: '';
      width: 6px;
      height: 14px;
      background: var(--primary-red);
      border-radius: 3px;
    }

    .scene-item p {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* 评测与对比 */
    .review-score-panel {
      background: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 40px;
      box-shadow: var(--shadow-lg);
    }

    .score-badge-area {
      text-align: center;
      padding: 24px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      backdrop-filter: blur(4px);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .score-number {
      font-size: 4rem;
      font-weight: 900;
      line-height: 1;
      color: var(--accent-gold);
    }

    .score-stars {
      color: var(--accent-gold);
      font-size: 1.4rem;
      margin: 10px 0;
    }

    .score-eval-text {
      font-size: 1.1rem;
      font-weight: 600;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid #f0f0f0;
    }

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

    .compare-table th,
    .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid #f3f4f6;
      font-size: 0.95rem;
    }

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

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

    .compare-highlight {
      color: var(--primary-red);
      font-weight: 700;
    }

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

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

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary-red);
      color: #fff;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 10px rgba(211, 47, 47, 0.3);
    }

    .step-card h4 {
      font-size: 1.1rem;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* 案例与素材 */
    .media-case-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

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

    .media-img-holder {
      width: 100%;
      aspect-ratio: 16 / 9;
      background-color: #f3f4f6;
      overflow: hidden;
    }

    .media-img-holder.square-ratio {
      aspect-ratio: 1 / 1;
    }

    .media-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: var(--transition-base);
    }

    .media-card-img:hover .media-img-holder img {
      transform: scale(1.03);
    }

    .media-card-body {
      padding: 20px;
    }

    .media-card-body h4 {
      font-size: 1.1rem;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .media-card-body p {
      font-size: 0.88rem;
      color: var(--text-secondary);
    }

    /* 客户评价 */
    .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 #f0f0f0;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 20px;
      font-style: italic;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-subtle);
      padding-top: 14px;
    }

    .reviewer-avatar-txt {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #ffebee;
      color: var(--primary-red);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

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

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

    /* 文章与资讯 */
    .article-section-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .article-list-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-light);
    }

    .article-list {
      list-style: none;
    }

    .article-list li {
      padding: 12px 0;
      border-bottom: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .article-list li:last-child {
      border-bottom: none;
    }

    .article-list a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      transition: var(--transition-base);
    }

    .article-list a:hover {
      color: var(--primary-red);
      padding-left: 4px;
    }

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #e5e7eb;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      background-color: #ffffff;
      transition: var(--transition-base);
    }

    .faq-question:hover {
      color: var(--primary-red);
      background-color: var(--bg-soft-red);
    }

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

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

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

    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.7;
      border-top: 1px solid #f0f0f0;
    }

    /* 联系与表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .contact-details {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-detail-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-secondary);
    }

    .qr-card {
      margin-top: 24px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      padding: 16px;
      background: var(--bg-soft-red);
      border-radius: var(--radius-md);
      border: 1px dashed var(--border-light);
    }

    .qr-card img {
      width: 130px;
      height: 130px;
      object-fit: contain;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    .qr-card span {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary-dark-red);
    }

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

    .form-label {
      display: block;
      margin-bottom: 6px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #d1d5db;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #fff;
      transition: var(--transition-base);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-red);
      box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
    }

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

    /* 代理加盟 */
    .agent-box {
      background: linear-gradient(135deg, #fff5f5 0%, #ffebee 100%);
      border: 2px dashed #ef9a9a;
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
    }

    .agent-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin: 30px 0;
      text-align: left;
    }

    .agent-feat {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .agent-feat h4 {
      color: var(--primary-dark-red);
      margin-bottom: 6px;
      font-size: 1.05rem;
    }

    /* 页脚 */
    .site-footer {
      background-color: #1a1a1a;
      color: #e5e7eb;
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
      border-top: 4px solid var(--primary-red);
    }

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

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.1rem;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background-color: var(--primary-red);
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: #9ca3af;
      text-decoration: none;
      transition: var(--transition-base);
    }

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

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links-box a {
      color: #9ca3af;
      text-decoration: none;
      background: #262626;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.85rem;
      transition: var(--transition-base);
    }

    .friend-links-box a:hover {
      color: #ffffff;
      background: var(--primary-red);
    }

    .footer-bottom {
      border-top: 1px solid #333333;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      color: #6b7280;
    }

    /* 浮动组件与返回顶部 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 40px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      color: var(--primary-red);
      font-weight: 700;
      font-size: 0.85rem;
      border: 1px solid var(--border-light);
      cursor: pointer;
      transition: var(--transition-base);
    }

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

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .about-card-grid,
      .contact-wrapper,
      .media-case-grid,
      .review-score-panel {
        grid-template-columns: 1fr;
      }
      .service-grid,
      .reviews-grid,
      .agent-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-grid,
      .hero-metrics,
      .process-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 2px solid var(--border-light);
        padding: 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.open {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .service-grid,
      .scene-grid,
      .reviews-grid,
      .agent-grid,
      .article-section-grid,
      .hero-metrics,
      .process-flow {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .about-feature-list {
        grid-template-columns: 1fr;
      }
      .score-number {
        font-size: 3rem;
      }
      .section-block {
        padding: 50px 0;
      }
    }