:root {
      --primary: #4F46E5;
      --primary-hover: #4338CA;
      --accent-coral: #FF4B4B;
      --accent-cyan: #06B6D4;
      --accent-amber: #F59E0B;
      --accent-lime: #10B981;
      --bg-main: #F8FAFC;
      --bg-surface: #FFFFFF;
      --bg-soft: #EEF2F6;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #64748B;
      --border-color: #E2E8F0;
      --border-accent: rgba(79, 70, 229, 0.15);
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.03);
      --shadow-pop: 0 20px 25px -5px rgba(79, 70, 229, 0.12), 0 10px 10px -5px rgba(6, 182, 212, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --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", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .logo-container {
      height: 42px;
      display: flex;
      align-items: center;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

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

    .brand-tag {
      background: linear-gradient(135deg, var(--accent-coral), var(--accent-amber));
      color: #fff;
      font-size: 0.72rem;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-weight: 700;
    }

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

    .nav-links li a {
      color: var(--text-muted);
      font-weight: 600;
      font-size: 0.95rem;
      text-decoration: none;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: inline-block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-md);
      text-decoration: none;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), #6366F1);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-hover), var(--primary));
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
    }

    .btn-accent {
      background: linear-gradient(135deg, var(--accent-coral), #FF6B6B);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 75, 75, 0.35);
    }

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

    .btn-outline:hover {
      background: rgba(79, 70, 229, 0.05);
    }

    .btn-ghost {
      background: var(--bg-soft);
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-ghost:hover {
      background: #E2E8F0;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
      padding: 4px;
    }

    /* 模块通用样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 54px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
      border: 1px solid rgba(79, 70, 229, 0.2);
      border-radius: var(--radius-full);
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .badge-contrast {
      background: rgba(255, 75, 75, 0.1);
      color: var(--accent-coral);
      border-color: rgba(255, 75, 75, 0.25);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 首屏 Hero 区域 (禁止出现任何图片) */
    .hero-section {
      padding: 90px 0 80px;
      background: radial-gradient(circle at 10% 20%, rgba(255, 75, 75, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 40%),
                  linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      border-bottom: 1px solid var(--border-color);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge-wrap {
      display: flex;
      gap: 10px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.2;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-h1 span.highlight-coral {
      color: var(--accent-coral);
    }

    .hero-h1 span.highlight-indigo {
      color: var(--primary);
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 34px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-cta-group .btn-lg {
      padding: 14px 32px;
      font-size: 1.05rem;
    }

    .hero-features-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px dashed var(--border-color);
    }

    .feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 750;
      color: var(--text-main);
    }

    .feature-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-coral);
    }

    /* 首屏纯CSS构建的控制台面板卡片 (不包含任何图片) */
    .hero-console-card {
      background: #FFFFFF;
      border: 2px solid #E2E8F0;
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-pop);
      position: relative;
    }

    .console-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 20px;
    }

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

    .c-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .c-dot-1 { background: #FF5F56; }
    .c-dot-2 { background: #FFBD2E; }
    .c-dot-3 { background: #27C93F; }

    .console-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-light);
    }

    .console-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-bottom: 20px;
    }

    .metric-box {
      background: var(--bg-main);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .metric-label {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 4px;
    }

    .metric-value {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .metric-sub {
      font-size: 0.75rem;
      color: var(--accent-lime);
      font-weight: 700;
      margin-top: 2px;
    }

    .console-terminal {
      background: #0F172A;
      border-radius: var(--radius-md);
      padding: 14px 18px;
      color: #38BDF8;
      font-family: monospace;
      font-size: 0.82rem;
      line-height: 1.6;
    }

    .terminal-line {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .terminal-cursor {
      display: inline-block;
      width: 7px;
      height: 14px;
      background: var(--accent-coral);
      animation: blink 1s infinite;
    }

    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }

    /* 支持模型标签云 */
    .models-bar {
      background: #FFFFFF;
      padding: 36px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .models-bar-inner {
      display: flex;
      flex-direction: column;
      gap: 16px;
      text-align: center;
    }

    .models-bar-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-light);
      letter-spacing: 1px;
      text-transform: uppercase;
    }

    .tags-flex-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px 12px;
    }

    .model-tag {
      background: var(--bg-soft);
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .model-tag:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
      transform: translateY(-2px);
    }

    .model-tag.highlight {
      background: rgba(255, 75, 75, 0.08);
      border-color: rgba(255, 75, 75, 0.25);
      color: var(--accent-coral);
    }

    /* 关于我们 & 平台介绍 */
    .platform-intro-section {
      background: #FFFFFF;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .intro-card {
      background: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .intro-card:hover {
      border-color: var(--primary);
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      background: #FFFFFF;
    }

    .intro-card-icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 900;
      margin-bottom: 20px;
    }

    .icon-coral { background: rgba(255, 75, 75, 0.12); color: var(--accent-coral); }
    .icon-indigo { background: rgba(79, 70, 229, 0.12); color: var(--primary); }
    .icon-cyan { background: rgba(6, 182, 212, 0.12); color: var(--accent-cyan); }
    .icon-amber { background: rgba(245, 158, 11, 0.12); color: var(--accent-amber); }
    .icon-lime { background: rgba(16, 185, 129, 0.12); color: var(--accent-lime); }

    .intro-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .intro-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* 一站式创作场景矩阵 (28+全景) */
    .services-section {
      background: linear-gradient(180deg, #F8FAFC 0%, #EEF2F6 100%);
    }

    .service-category-nav {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .cat-btn {
      padding: 8px 20px;
      border-radius: var(--radius-full);
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
    }

    .cat-btn.active, .cat-btn:hover {
      background: var(--text-main);
      color: #FFFFFF;
      border-color: var(--text-main);
    }

    .services-cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 22px;
    }

    .scenario-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .scenario-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .scenario-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .scenario-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .scenario-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 行业解决方案与素材案例展示 */
    .cases-section {
      background: #FFFFFF;
    }

    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }

    .case-card {
      background: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .case-image-wrapper {
      width: 100%;
      background: #E2E8F0;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-image-wrapper.square {
      aspect-ratio: 1 / 1;
    }

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

    .case-card:hover .case-image-wrapper img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .case-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--accent-coral);
      margin-bottom: 8px;
    }

    .case-title {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .case-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.55;
      flex-grow: 1;
    }

    /* 宣传图特色条 */
    .banner-highlight-strip {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 40px;
    }

    .banner-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .banner-img-box img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 对比评测板块 */
    .evaluation-section {
      background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
      color: #FFFFFF;
    }

    .evaluation-section .section-title {
      color: #FFFFFF;
    }

    .evaluation-section .section-desc {
      color: #94A3B8;
    }

    .evaluation-header-score {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 30px;
      text-align: center;
      margin-bottom: 40px;
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-item {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .score-title {
      font-size: 0.9rem;
      color: #94A3B8;
      margin-bottom: 6px;
      font-weight: 600;
    }

    .score-stars {
      color: #FBBF24;
      font-size: 1.4rem;
      font-weight: 800;
    }

    .score-number {
      font-size: 2.5rem;
      font-weight: 900;
      color: #38BDF8;
      line-height: 1;
    }

    .score-max {
      font-size: 1rem;
      color: #64748B;
      font-weight: 700;
    }

    .comparison-table-wrapper {
      overflow-x: auto;
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .comparison-table th {
      background: rgba(255, 255, 255, 0.06);
      color: #E2E8F0;
      font-weight: 800;
    }

    .comparison-table td {
      color: #CBD5E1;
    }

    .comparison-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
    }

    .highlight-col {
      background: rgba(79, 70, 229, 0.15) !important;
      color: #FFFFFF !important;
      font-weight: 750;
    }

    .status-check {
      color: #34D399;
      font-weight: 900;
    }

    .status-cross {
      color: #F87171;
      font-weight: 900;
    }

    /* 标准服务流程 */
    .process-section {
      background: #FFFFFF;
    }

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

    .process-step-card {
      background: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
    }

    .process-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: rgba(79, 70, 229, 0.15);
      line-height: 1;
      margin-bottom: 12px;
    }

    .process-title {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .process-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Token 比价与代理算力分销 */
    .token-price-section {
      background: var(--bg-main);
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .pricing-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-pop);
      transform: scale(1.02);
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--accent-coral);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: var(--radius-full);
    }

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

    .pricing-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .pricing-price span {
      font-size: 0.9rem;
      color: var(--text-light);
      font-weight: 600;
    }

    .pricing-features {
      list-style: none;
      margin: 20px 0 30px;
      flex-grow: 1;
    }

    .pricing-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    /* 用户真实评价 (6条) */
    .reviews-section {
      background: #FFFFFF;
    }

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

    .review-card {
      background: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .review-card:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .review-quote {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: normal;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-coral));
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
    }

    .author-info h4 {
      font-size: 0.92rem;
      font-weight: 800;
      color: var(--text-main);
    }

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

    /* FAQ 折叠面板 (不少于10条) */
    .faq-section {
      background: var(--bg-main);
    }

    .faq-container {
      max-width: 900px;
      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:hover {
      border-color: var(--primary);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: var(--primary);
      font-weight: 900;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px;
    }

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

    /* 需求匹配与联系我们 (表单接入) */
    .contact-form-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
    }

    .form-layout-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
    }

    .contact-info-block {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .contact-info-item {
      background: var(--bg-main);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .contact-qr-box {
      margin-top: 24px;
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--bg-soft);
      padding: 16px;
      border-radius: var(--radius-md);
    }

    .contact-qr-img {
      width: 100px;
      height: 100px;
      object-fit: contain;
      background: #FFFFFF;
      padding: 4px;
      border-radius: var(--radius-sm);
    }

    .form-wrapper {
      background: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 750;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 行业资讯 & 最新文章 */
    .articles-section {
      background: var(--bg-main);
      border-top: 1px solid var(--border-color);
    }

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

    .article-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-decoration: none;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .article-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .article-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .article-card-title {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-card-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 页脚与友情链接 */
    footer.site-footer {
      background: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px;
      border-top: 1px solid #1E293B;
    }

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

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      color: #94A3B8;
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: #38BDF8;
    }

    .friend-links-area {
      border-top: 1px solid #1E293B;
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 0.85rem;
    }

    .friend-links-area span {
      color: #E2E8F0;
      font-weight: 700;
    }

    .friend-links-area a {
      color: #64748B;
      text-decoration: none;
      transition: var(--transition);
    }

    .friend-links-area a:hover {
      color: #38BDF8;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #64748B;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom a {
      color: #94A3B8;
      text-decoration: none;
    }

    /* 浮动组件与返回顶部 */
    .float-service-widget {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      font-size: 1.2rem;
      text-decoration: none;
      transition: var(--transition);
    }

    .float-btn:hover {
      transform: translateY(-3px);
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    .float-btn.consult-btn {
      background: var(--accent-coral);
      color: #FFFFFF;
      border-color: var(--accent-coral);
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .intro-grid, .cases-grid, .pricing-grid, .reviews-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-main-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links li a {
        display: block;
        padding: 12px;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .intro-grid, .cases-grid, .pricing-grid, .reviews-grid, .articles-grid, .form-layout-grid, .process-grid, .banner-highlight-strip {
        grid-template-columns: 1fr;
      }
      .footer-main-grid {
        grid-template-columns: 1fr;
      }
      .header-actions .btn-ghost {
        display: none;
      }
      .hero-features-strip {
        grid-template-columns: 1fr;
      }
    }