:root {
      --primary-yellow: #f59e0b;
      --primary-yellow-hover: #d97706;
      --accent-yellow: #fbbf24;
      --light-yellow-bg: #fffbeb;
      --bright-badge-bg: #fef3c7;
      --text-dark: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-highlight: #fde68a;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 10px 25px -4px rgba(245, 158, 11, 0.12), 0 8px 12px -4px rgba(15, 23, 42, 0.04);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --container-max: 1200px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 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", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-dark);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    /* 容器布局统一 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 24px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
      color: #78350f;
      box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(245, 158, 11, 0.4);
    }

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

    .btn-outline:hover {
      border-color: var(--primary-yellow);
      color: #b45309;
      background-color: var(--light-yellow-bg);
      transform: translateY(-2px);
    }

    .btn-dark {
      background-color: var(--text-dark);
      color: #ffffff;
    }

    .btn-dark:hover {
      background-color: #1e293b;
      transform: translateY(-2px);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-wrap {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      overflow: hidden;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: -0.5px;
    }

    .brand-tag {
      font-size: 0.72rem;
      background: var(--bright-badge-bg);
      color: #b45309;
      padding: 2px 8px;
      border-radius: 99px;
      font-weight: 700;
      margin-left: 4px;
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 13px;
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: #b45309;
      background-color: var(--light-yellow-bg);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: 1.1rem;
      color: var(--text-dark);
    }

    /* 全局Section标题 */
    .section-wrap {
      padding: 72px 0;
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    }

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

    .section-eyebrow {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: #b45309;
      background-color: var(--bright-badge-bg);
      border: 1px solid var(--border-highlight);
      padding: 4px 14px;
      border-radius: 99px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 HERO - 严禁出现图片 */
    .hero-section {
      padding: 80px 0 90px 0;
      background: radial-gradient(circle at 80% 20%, #fef3c7 0%, #fefce8 40%, #f8fafc 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-highlight);
    }

    .hero-glow-1 {
      position: absolute;
      top: -100px;
      right: -80px;
      width: 450px;
      height: 450px;
      background: rgba(245, 158, 11, 0.15);
      border-radius: 50%;
      filter: blur(80px);
      pointer-events: none;
    }

    .hero-glow-2 {
      position: absolute;
      bottom: -80px;
      left: 10%;
      width: 320px;
      height: 320px;
      background: rgba(251, 191, 36, 0.18);
      border-radius: 50%;
      filter: blur(70px);
      pointer-events: none;
    }

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

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--border-highlight);
      padding: 6px 18px;
      border-radius: 99px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #92400e;
    }

    .hero-pill-dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary-yellow);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.3); opacity: 0.7; }
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title span {
      color: #b45309;
      background: linear-gradient(135deg, #b45309 0%, #d97706 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

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

    .btn-hero-large {
      padding: 14px 32px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-md);
    }

    .hero-stat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(253, 230, 138, 0.8);
      border-radius: var(--radius-md);
      padding: 20px 14px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

    .hero-stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-yellow);
    }

    .stat-num {
      font-size: 1.75rem;
      font-weight: 800;
      color: #92400e;
      margin-bottom: 4px;
    }

    .stat-lbl {
      font-size: 0.82rem;
      color: var(--text-light);
      font-weight: 500;
    }

    /* 平台介绍与关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-info h3 {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .about-info p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 0.98rem;
    }

    .feature-points {
      list-style: none;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

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

    .point-icon {
      width: 22px;
      height: 22px;
      background: var(--bright-badge-bg);
      color: #b45309;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      flex-shrink: 0;
    }

    .model-tags-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-md);
    }

    .model-tags-header {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px dashed var(--border-color);
      padding-bottom: 12px;
    }

    .model-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag-badge {
      background: var(--bg-page);
      border: 1px solid #e2e8f0;
      color: var(--text-dark);
      font-size: 0.8rem;
      padding: 5px 12px;
      border-radius: 99px;
      font-weight: 500;
      transition: var(--transition);
    }

    .tag-badge:hover {
      background: var(--bright-badge-bg);
      border-color: var(--accent-yellow);
      color: #92400e;
    }

    /* AIGC 服务与一站式制作 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--border-highlight);
    }

    .service-badge {
      width: 44px;
      height: 44px;
      background: var(--bright-badge-bg);
      color: #92400e;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      margin-bottom: 18px;
      font-weight: bold;
    }

    .service-name {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .service-tag {
      font-size: 0.72rem;
      background: #f1f5f9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 行业方案场景 */
    .solution-tabs-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .solution-item-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-left: 4px solid var(--primary-yellow);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      padding: 22px 24px;
      transition: var(--transition);
    }

    .solution-item-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-yellow);
    }

    .solution-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
    }

    .solution-content {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-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-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .case-media-container {
      width: 100%;
      height: 190px;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

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

    .case-details {
      padding: 18px 20px;
    }

    .case-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .case-brief {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    /* 对比评测 - 满分10分 评分9.9分 五星 */
    .review-score-banner {
      background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-lg);
      padding: 32px 40px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow-sm);
    }

    .score-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: #78350f;
      margin-bottom: 8px;
    }

    .score-left p {
      color: #92400e;
      font-size: 0.95rem;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-shrink: 0;
    }

    .score-number-box {
      text-align: right;
    }

    .score-big {
      font-size: 3.2rem;
      font-weight: 900;
      color: #b45309;
      line-height: 1;
    }

    .score-max {
      font-size: 1rem;
      color: #92400e;
      font-weight: 600;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.5rem;
      letter-spacing: 2px;
    }

    .comparison-table-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

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

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: #f8fafc;
      color: var(--text-dark);
      font-weight: 700;
    }

    .comparison-table th.col-highlight,
    .comparison-table td.col-highlight {
      background: #fffdf5;
      font-weight: 600;
      color: #92400e;
      border-left: 2px solid var(--border-highlight);
      border-right: 2px solid var(--border-highlight);
    }

    /* 标准流程与服务网络 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-num-badge {
      width: 32px;
      height: 32px;
      background: var(--primary-yellow);
      color: #78350f;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      font-size: 0.95rem;
    }

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

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

    /* Token比价与加盟代理 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .pricing-card.featured {
      border: 2px solid var(--primary-yellow);
      box-shadow: var(--shadow-lg);
      background: #ffffff;
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary-yellow);
      color: #78350f;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 99px;
    }

    .pricing-plan-name {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .pricing-plan-desc {
      font-size: 0.88rem;
      color: var(--text-light);
      margin-bottom: 20px;
    }

    .pricing-value {
      font-size: 2.2rem;
      font-weight: 900;
      color: #b45309;
      margin-bottom: 24px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .pricing-unit {
      font-size: 0.88rem;
      color: var(--text-light);
      font-weight: 400;
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 28px;
      flex-grow: 1;
    }

    .pricing-features li {
      font-size: 0.9rem;
      color: var(--text-muted);
      padding: 7px 0;
      border-bottom: 1px dashed #f1f5f9;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 用户评论 (6条) */
    .reviews-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(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .avatar-icon {
      width: 40px;
      height: 40px;
      background: var(--bright-badge-bg);
      color: #92400e;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      flex-shrink: 0;
    }

    .author-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-dark);
    }

    .author-role {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* 需求匹配与联系我们表单 */
    .contact-split-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .contact-channels {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .channel-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 22px;
    }

    .channel-icon {
      width: 36px;
      height: 36px;
      background: var(--bright-badge-bg);
      color: #92400e;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .channel-text strong {
      display: block;
      font-size: 0.95rem;
      color: var(--text-dark);
      margin-bottom: 2px;
    }

    .channel-text span,
    .channel-text a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .qr-showcase {
      margin-top: 24px;
      background: var(--light-yellow-bg);
      border: 1px dashed var(--border-highlight);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
    }

    .qr-showcase img {
      width: 140px;
      height: 140px;
      margin: 0 auto 10px auto;
      border-radius: 6px;
      background: #ffffff;
    }

    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

    .form-box h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 20px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      background: #f8fafc;
      transition: var(--transition);
      color: var(--text-dark);
    }

    .form-control:focus {
      border-color: var(--primary-yellow);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* FAQ 折叠 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary-yellow);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-dark);
      background: none;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .faq-question:hover {
      color: #b45309;
    }

    .faq-indicator {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--text-light);
      transition: transform 0.25s ease;
    }

    .faq-item.active .faq-indicator {
      transform: rotate(45deg);
      color: #b45309;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fffdf7;
    }

    .faq-answer-inner {
      padding: 0 24px 20px 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px dashed #fef08a;
      padding-top: 14px;
    }

    /* 资讯与百科文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 28px;
    }

    .articles-left-card,
    .articles-right-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .article-item-link {
      display: block;
      padding: 12px 0;
      border-bottom: 1px solid #f1f5f9;
      color: var(--text-dark);
      font-size: 0.92rem;
      transition: var(--transition);
    }

    .article-item-link:hover {
      color: #b45309;
      padding-left: 6px;
    }

    .article-meta-badge {
      display: inline-block;
      font-size: 0.75rem;
      color: #92400e;
      background: var(--bright-badge-bg);
      padding: 2px 8px;
      border-radius: 4px;
      margin-right: 8px;
    }

    /* 宣传图通栏 */
    .banner-promo-wrap {
      margin: 40px auto 0 auto;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid var(--border-highlight);
      padding: 50px 0 28px 0;
      color: var(--text-muted);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
    }

    .footer-links-list li {
      margin-bottom: 8px;
    }

    .footer-links-list a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .footer-links-list a:hover {
      color: #b45309;
    }

    .friend-links-area {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 0.85rem;
    }

    .friend-links-label {
      font-weight: 700;
      color: var(--text-dark);
    }

    .friend-links-area a {
      color: var(--text-muted);
    }

    .friend-links-area a:hover {
      color: #b45309;
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* 浮动客服挂件与返回顶部 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: #ffffff;
      border: 1px solid var(--border-highlight);
      box-shadow: var(--shadow-md);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
      cursor: pointer;
      color: #92400e;
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--bright-badge-bg);
      transform: scale(1.08);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .services-grid,
      .cases-grid,
      .reviews-grid,
      .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .hero-stat-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .about-grid,
      .contact-split-grid,
      .articles-grid {
        grid-template-columns: 1fr;
      }

      .footer-top {
        grid-template-columns: 1fr 1fr;
      }

      .review-score-banner {
        flex-direction: column;
        text-align: center;
      }

      .score-right {
        justify-content: center;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .nav-links.active {
        display: flex;
      }

      .mobile-menu-btn {
        display: block;
      }

      .hero-title {
        font-size: 2.1rem;
      }

      .services-grid,
      .cases-grid,
      .reviews-grid,
      .pricing-grid,
      .steps-grid,
      .solution-tabs-grid {
        grid-template-columns: 1fr;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }
    }