:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent-pink: #ec4899;
      --accent-yellow: #f59e0b;
      --accent-cyan: #06b6d4;
      --accent-green: #10b981;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-page: #faf8f5;
      --bg-card: #ffffff;
      --border-color: #262626;
      --shadow-block: 4px 4px 0px #262626;
      --shadow-block-hover: 6px 6px 0px #262626;
      --shadow-block-sm: 2px 2px 0px #262626;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1200px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      background-image: 
        radial-gradient(#e5e7eb 1.5px, transparent 1.5px),
        radial-gradient(#e5e7eb 1.5px, var(--bg-page) 1.5px);
      background-size: 32px 32px;
      background-position: 0 0, 16px 16px;
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      font-size: 15px;
    }

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

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

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 900;
      background-color: rgba(255, 255, 255, 0.95);
      border-bottom: 2px solid var(--border-color);
      backdrop-filter: blur(8px);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 16px;
    }

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

    .brand-logo-box {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-badge {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      background: var(--accent-yellow);
      color: var(--border-color);
      padding: 2px 6px;
      border-radius: 4px;
      border: 1.5px solid var(--border-color);
    }

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

    .nav-links a {
      display: inline-block;
      padding: 8px 12px;
      font-weight: 700;
      color: var(--text-main);
      font-size: 14px;
      border-radius: var(--radius-sm);
      transition: background-color 0.2s, color 0.2s;
    }

    .nav-links a:hover {
      background-color: #fee2e2;
      color: #b91c1c;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .btn-graffiti-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: var(--primary);
      color: #ffffff !important;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-block);
      cursor: pointer;
      transition: transform 0.15s, box-shadow 0.15s;
    }

    .btn-graffiti-primary:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-block-hover);
    }

    .btn-graffiti-primary:active {
      transform: translate(1px, 1px);
      box-shadow: var(--shadow-block-sm);
    }

    .btn-graffiti-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: #fef08a;
      color: var(--border-color) !important;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-block);
      cursor: pointer;
      transition: transform 0.15s, box-shadow 0.15s;
    }

    .btn-graffiti-secondary:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-block-hover);
    }

    .mobile-menu-toggle {
      display: none;
      background: #f3f4f6;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 6px 10px;
      font-weight: 800;
      cursor: pointer;
    }

    /* 涂鸦风格通用卡片与标题 */
    .graffiti-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 6px;
      border: 2px solid var(--border-color);
      box-shadow: 2px 2px 0px var(--border-color);
      margin-bottom: 12px;
    }

    .tag-yellow { background-color: #fef08a; color: #713f12; }
    .tag-pink { background-color: #fbcfe8; color: #831843; }
    .tag-cyan { background-color: #cffafe; color: #155e75; }
    .tag-green { background-color: #d1fae5; color: #065f46; }

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 40px auto;
    }

    .section-title {
      font-size: 28px;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
    }

    .graffiti-card {
      background-color: var(--bg-card);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
      padding: 24px;
      transition: transform 0.2s, box-shadow 0.2s;
    }

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

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding: 60px 0 50px 0;
      position: relative;
    }

    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

    .hero-content {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .hero-main-title {
      font-size: 38px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.8px;
    }

    .hero-main-title .highlight-text {
      background: linear-gradient(120deg, #fbcfe8 0%, #fed7aa 100%);
      padding: 2px 8px;
      border: 2px dashed var(--border-color);
      border-radius: 8px;
      display: inline-block;
      margin-top: 6px;
    }

    .hero-lead-text {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 30px;
    }

    .hero-cta-btn {
      font-size: 16px;
      padding: 13px 26px;
      border-radius: var(--radius-sm);
    }

    .hero-badges-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 13px;
      font-weight: 700;
    }

    .hero-badge-item {
      display: flex;
      align-items: center;
      gap: 6px;
      background: #ffffff;
      border: 1.5px solid var(--border-color);
      padding: 6px 12px;
      border-radius: 20px;
      box-shadow: 2px 2px 0 var(--border-color);
    }

    .hero-visual-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 8px 8px 0px var(--border-color);
      position: relative;
    }

    .hero-visual-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 2px dashed #e5e7eb;
    }

    .terminal-dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 1.5px solid var(--border-color);
    }
    .dot-r { background: #f87171; }
    .dot-y { background: #fbbf24; }
    .dot-g { background: #34d399; }

    .hero-visual-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 18px;
    }

    .visual-stat-item {
      background: #f8fafc;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 14px;
      text-align: center;
    }

    .visual-stat-item.active-yellow { background: #fef9c3; }
    .visual-stat-item.active-pink { background: #ffe4e6; }
    .visual-stat-item.active-cyan { background: #cffafe; }
    .visual-stat-item.active-green { background: #dcfce7; }

    .visual-stat-title {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .visual-stat-val {
      font-size: 18px;
      font-weight: 900;
      color: var(--text-main);
    }

    .hero-prompt-box {
      background: #f1f5f9;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 12px;
      font-size: 13px;
      color: var(--text-muted);
      font-family: monospace;
    }

    /* 数据指标横幅 */
    .stats-section {
      padding: 20px 0 50px 0;
    }

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

    .stat-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      box-shadow: var(--shadow-block);
    }

    .stat-number {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .stat-desc {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-muted);
    }

    /* 平台介绍板块 */
    .intro-section {
      padding: 50px 0;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .intro-box {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-block);
      display: flex;
      flex-direction: column;
    }

    .intro-box h3 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .intro-box p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.6;
    }

    /* AIGC 服务卡片 (核心卖点场景) */
    .services-section {
      padding: 50px 0;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-block);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .service-card-title {
      font-size: 17px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .service-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-feature-list {
      list-style: none;
      font-size: 12px;
      color: var(--text-light);
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-feature-pill {
      background: #f3f4f6;
      border: 1px solid #d1d5db;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 一站式制作流程 */
    .process-section {
      padding: 50px 0;
    }

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

    .step-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-block);
      position: relative;
    }

    .step-num-badge {
      width: 36px;
      height: 36px;
      background: var(--accent-pink);
      color: #ffffff;
      font-weight: 900;
      font-size: 16px;
      border-radius: 50%;
      border: 2px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      box-shadow: 2px 2px 0 var(--border-color);
    }

    .step-card h3 {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 行业方案与网络 */
    .solutions-section {
      padding: 50px 0;
    }

    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .solution-item {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-block);
    }

    .solution-item h3 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .solution-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例中心 (素材图应用) */
    .cases-section {
      padding: 50px 0;
    }

    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      border-bottom: 2px solid var(--border-color);
      background-color: #f3f4f6;
    }

    .case-img-wrap img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .case-info {
      padding: 20px;
    }

    .case-info h3 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测板块 */
    .comparison-section {
      padding: 50px 0;
    }

    .rating-banner {
      background: #fef08a;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
      padding: 20px 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 28px;
    }

    .rating-score-block {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-circle {
      width: 64px;
      height: 64px;
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 900;
      color: var(--border-color);
      box-shadow: 2px 2px 0 var(--border-color);
    }

    .rating-details h3 {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 4px;
    }

    .rating-details p {
      font-size: 14px;
      font-weight: 700;
      color: #854d0e;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .compare-table th, 
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1.5px solid #e5e7eb;
      border-right: 1.5px solid #e5e7eb;
    }

    .compare-table th:last-child,
    .compare-table td:last-child {
      border-right: none;
    }

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

    .compare-table th {
      background: #f8fafc;
      font-weight: 800;
      color: var(--text-main);
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: #f0fdf4;
      font-weight: 700;
      color: #166534;
    }

    /* Token 比价与模型支持 */
    .token-section {
      padding: 50px 0;
    }

    .token-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .models-cloud-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
      padding: 24px;
    }

    .models-cloud-card h3 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 16px;
    }

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

    .model-chip {
      background: #f3f4f6;
      border: 1.5px solid var(--border-color);
      padding: 5px 12px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 700;
      box-shadow: 1.5px 1.5px 0 var(--border-color);
    }

    .model-chip.hot {
      background: #fef08a;
    }

    /* 客户评价板块 */
    .reviews-section {
      padding: 50px 0;
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-block);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      font-style: italic;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1.5px dashed #e5e7eb;
      padding-top: 12px;
    }

    .user-avatar-text {
      width: 40px;
      height: 40px;
      background: #fed7aa;
      border: 1.5px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 14px;
    }

    .user-info-text .user-name {
      font-weight: 800;
      font-size: 14px;
      color: var(--text-main);
    }

    .user-info-text .user-role {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 需求匹配与表单板块 */
    .contact-form-section {
      padding: 50px 0;
    }

    .form-wrapper-box {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-block);
      padding: 36px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

    .form-intro-col h3 {
      font-size: 24px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .form-intro-col p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .form-contact-badges {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 20px;
    }

    .form-contact-badge-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 700;
    }

    .form-contact-badge-item span.icon-label {
      background: #e0e7ff;
      border: 1.5px solid var(--border-color);
      padding: 4px 8px;
      border-radius: 4px;
      font-size: 12px;
    }

    .qr-contact-box {
      margin-top: 16px;
      padding: 16px;
      background: #f8fafc;
      border: 1.5px dashed var(--border-color);
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 16px;
    }

    .qr-contact-box img {
      width: 90px;
      height: 90px;
      border: 1.5px solid var(--border-color);
      border-radius: 6px;
    }

    .qr-contact-desc {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }

    .actual-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-field-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-field-group label {
      font-size: 13px;
      font-weight: 800;
      color: var(--text-main);
    }

    .form-field-group input,
    .form-field-group select,
    .form-field-group textarea {
      width: 100%;
      padding: 10px 14px;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      background: #ffffff;
      outline: none;
      font-family: inherit;
    }

    .form-field-group input:focus,
    .form-field-group select:focus,
    .form-field-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 2px 2px 0 var(--border-color);
    }

    /* FAQ 板块 */
    .faq-section {
      padding: 50px 0;
    }

    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block-sm);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-family: inherit;
    }

    .faq-toggle-icon {
      font-size: 20px;
      font-weight: 900;
      transition: transform 0.2s;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1.5px dashed #f3f4f6;
    }

    .faq-item.active .faq-answer {
      display: block;
      padding-top: 14px;
    }

    /* 行业资讯与最新文章 */
    .articles-section {
      padding: 50px 0;
    }

    .articles-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-block);
    }

    .article-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .article-item-link {
      background: #f8fafc;
      border: 1.5px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 700;
      transition: background 0.15s;
    }

    .article-item-link:hover {
      background: #e2e8f0;
    }

    /* 加盟代理与横幅展示 */
    .agency-section {
      padding: 50px 0;
    }

    .agency-banner-box {
      background: linear-gradient(135deg, #fef9c3 0%, #fee2e2 100%);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-block);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: center;
    }

    .agency-banner-text h3 {
      font-size: 26px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .agency-banner-text p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .banner-display-grid {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .banner-img-holder {
      border: 2px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: 2px 2px 0 var(--border-color);
      background: #ffffff;
    }

    /* 友情链接与底部 */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid var(--border-color);
      padding: 40px 0 24px 0;
      margin-top: 40px;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      margin-bottom: 30px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .footer-col p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 10px;
    }

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .friend-links-box a {
      font-size: 12px;
      font-weight: 700;
      background: #f3f4f6;
      border: 1px solid var(--border-color);
      padding: 4px 8px;
      border-radius: 4px;
    }

    .friend-links-box a:hover {
      background: #e5e7eb;
    }

    .footer-bottom-bar {
      border-top: 1.5px dashed #e5e7eb;
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: var(--text-light);
    }

    /* 悬浮客服条 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: 50%;
      box-shadow: var(--shadow-block);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 13px;
      color: var(--text-main);
      cursor: pointer;
      position: relative;
      transition: transform 0.15s;
    }

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

    .float-kefu-popover {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 170px;
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
      padding: 12px;
      text-align: center;
    }

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

    .float-kefu-popover img {
      width: 100%;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      margin-bottom: 6px;
    }

    .float-kefu-popover span {
      font-size: 12px;
      font-weight: 800;
      color: var(--text-main);
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid,
      .intro-grid,
      .solutions-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .agency-banner-box {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 60px;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 62px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 2px solid var(--border-color);
        flex-direction: column;
        padding: 12px 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-main-title {
        font-size: 28px;
      }
      .services-grid,
      .intro-grid,
      .solutions-grid,
      .cases-grid,
      .reviews-grid,
      .token-grid,
      .form-wrapper-box {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .floating-kefu {
        right: 12px;
        bottom: 20px;
      }
    }