/* ========== 全局重置与基础变量 (多彩涂鸦风) ========== */
    :root {
      --bg-main: #fbfbf6;
      --bg-card: #ffffff;
      --bg-card-alt: #f5f9fe;
      --text-main: #1e2229;
      --text-muted: #586174;
      --text-light: #7c889d;
      --color-primary: #ff4d4f; /* 涂鸦亮红/珊瑚 */
      --color-secondary: #2b7fff; /* 科技电光蓝 */
      --color-accent-yellow: #ffd000; /* 涂鸦明黄 */
      --color-accent-green: #05c168; /* 活力青绿 */
      --color-accent-purple: #8438ff; /* 潮流紫 */
      --color-accent-orange: #ff7a00; /* 活力橙 */
      --border-dark: #1e2229;
      --border-light: #e5e9f2;
      --shadow-doodle: 4px 4px 0px #1e2229;
      --shadow-doodle-lg: 6px 6px 0px #1e2229;
      --shadow-doodle-sm: 2px 2px 0px #1e2229;
      --shadow-hover: 7px 7px 0px #1e2229;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-max: 1200px;
      --transition: all 0.22s cubic-bezier(0.2, 0.9, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(#1e2229 0.75px, transparent 0.75px),
        radial-gradient(#ffd000 0.75px, var(--bg-main) 0.75px);
      background-size: 30px 30px;
      background-position: 0 0, 15px 15px;
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      min-height: 100vh;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 统一主容器规范 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 涂鸦标题组件 */
    .doodle-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 800;
      color: var(--text-main);
      background-color: var(--color-accent-yellow);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-doodle-sm);
      transform: rotate(-1.5deg);
      margin-bottom: 12px;
    }

    .doodle-badge.cyan { background-color: #5ce1e6; }
    .doodle-badge.purple { background-color: #d8b4fe; }
    .doodle-badge.green { background-color: #86efac; }
    .doodle-badge.pink { background-color: #fbcfe8; }
    .doodle-badge.orange { background-color: #fed7aa; }

    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 900;
      color: var(--text-main);
      letter-spacing: -0.5px;
      position: relative;
      display: inline-block;
      margin-bottom: 12px;
    }

    .section-head h2::after {
      content: "";
      position: absolute;
      left: 10%;
      bottom: -6px;
      width: 80%;
      height: 8px;
      background: var(--color-accent-yellow);
      z-index: -1;
      border-radius: 4px;
      transform: rotate(-0.5deg);
    }

    .section-head p {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 涂鸦卡片基类 */
    .doodle-card {
      background: var(--bg-card);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-doodle);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .doodle-card:hover {
      transform: translate(-3px, -3px);
      box-shadow: var(--shadow-hover);
    }

    /* 涂鸦按钮基类 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 24px;
      font-size: 15px;
      font-weight: 800;
      color: var(--text-main);
      background: var(--bg-card);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-doodle);
      cursor: pointer;
      transition: var(--transition);
      text-align: center;
      line-height: 1;
      white-space: nowrap;
    }

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

    .btn:active {
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0px var(--border-dark);
    }

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

    .btn-brand {
      background: var(--color-accent-yellow);
      color: var(--text-main);
    }

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

    .btn-green {
      background: var(--color-accent-green);
      color: #ffffff;
    }

    .btn-lg {
      padding: 15px 32px;
      font-size: 17px;
      border-radius: var(--radius-lg);
    }

    /* ========== 顶部导航 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(251, 251, 246, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--border-dark);
    }

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

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

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

    .brand-title {
      font-size: 20px;
      font-weight: 900;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-tag {
      font-size: 11px;
      padding: 2px 6px;
      background: var(--color-accent-yellow);
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-sm);
      box-shadow: 1px 1px 0px var(--border-dark);
    }

    /* 规则要求: .nav-links 的 gap 属性设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .nav-links::-webkit-scrollbar {
      display: none;
    }

    .nav-item {
      display: inline-block;
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      white-space: nowrap;
      transition: var(--transition);
    }

    .nav-item:hover {
      background: #eef2ff;
      color: var(--color-secondary);
      transform: translateY(-1px);
    }

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

    .mobile-menu-btn {
      display: none;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      background: var(--bg-card);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-doodle-sm);
      cursor: pointer;
    }

    /* ========== 通用 section 样式 ========== */
    .page-section {
      padding: 68px 0;
      position: relative;
    }

    .page-section.alt-bg {
      background-color: rgba(255, 255, 255, 0.7);
      border-top: 2px dashed var(--border-dark);
      border-bottom: 2px dashed var(--border-dark);
    }

    /* ========== 1. Hero 首页首屏 (严格不出现任何图片) ========== */
    .hero-section {
      padding: 64px 0 54px;
      position: relative;
      overflow: hidden;
    }

    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 36px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-content h1 {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.22;
      color: var(--text-main);
      margin: 12px 0 16px;
      letter-spacing: -0.5px;
    }

    .hero-content h1 span {
      background: linear-gradient(120deg, var(--color-primary), var(--color-accent-orange));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-decoration: underline wavy var(--color-accent-yellow);
    }

    .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.7;
    }

    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-bottom: 32px;
    }

    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .highlight-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      background: #ffffff;
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 700;
      box-shadow: 2px 2px 0px rgba(0,0,0,0.1);
    }

    .highlight-pill .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent-green);
    }

    /* Hero 右侧矢量控制台卡片 (首屏纯CSS构筑，不使用任何图片) */
    .hero-console-card {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-doodle-lg);
      padding: 24px;
      position: relative;
    }

    .console-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2px solid var(--border-dark);
      padding-bottom: 12px;
      margin-bottom: 18px;
    }

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

    .console-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 1.5px solid var(--border-dark);
    }
    .console-dot.red { background: #ff5f56; }
    .console-dot.yellow { background: #ffbd2e; }
    .console-dot.green { background: #27c93f; }

    .console-title {
      font-size: 13px;
      font-weight: 800;
      color: var(--text-muted);
    }

    .console-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 16px;
    }

    .console-stat-box {
      background: var(--bg-card-alt);
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 14px;
      text-align: center;
    }

    .console-stat-val {
      font-size: 26px;
      font-weight: 900;
      color: var(--color-primary);
      line-height: 1.1;
    }

    .console-stat-lbl {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .console-flow-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: #fffbe6;
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      margin-bottom: 8px;
      font-size: 13px;
      font-weight: 700;
    }

    .console-flow-status {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: var(--color-accent-green);
      font-size: 12px;
    }

    /* ========== 2. 平台介绍 (关于我们) ========== */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .about-text-wrap h3 {
      font-size: 26px;
      font-weight: 900;
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .about-text-wrap p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .about-features-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .about-feat-item {
      background: #ffffff;
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      font-weight: 800;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    .about-media-box {
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-doodle-lg);
      background: #ffffff;
    }

    /* ========== 3. AIGC 模型矩阵 (支持的 AI 平台) ========== */
    .model-tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-tag {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-full);
      padding: 8px 16px;
      font-size: 14px;
      font-weight: 800;
      box-shadow: 2px 2px 0px var(--border-dark);
      transition: var(--transition);
      cursor: default;
    }

    .model-tag:hover {
      background: var(--color-accent-yellow);
      transform: translateY(-2px) rotate(1deg);
      box-shadow: 4px 4px 0px var(--border-dark);
    }

    /* ========== 4. 一站式创作服务能力 (卡片组) ========== */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 22px;
    }

    .service-card {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .service-icon-doodle {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      border: 2px solid var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 16px;
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    .service-card h3 {
      font-size: 19px;
      font-weight: 900;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .service-subtag {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      background: var(--bg-card-alt);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
    }

    /* ========== 5. 行业方案与场景应用 ========== */
    .solutions-tabs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 24px;
    }

    .solution-item-card {
      padding: 24px;
      border-left: 6px solid var(--color-primary);
    }

    .solution-item-card:nth-child(2n) {
      border-left-color: var(--color-secondary);
    }

    .solution-item-card:nth-child(3n) {
      border-left-color: var(--color-accent-green);
    }

    .solution-item-card:nth-child(4n) {
      border-left-color: var(--color-accent-purple);
    }

    .solution-item-card h4 {
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    /* ========== 6. 标准全自动流程 (时间线/步骤) ========== */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-step {
      padding: 24px 20px;
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 44px;
      height: 44px;
      line-height: 40px;
      margin: 0 auto 16px;
      background: var(--color-accent-yellow);
      border: 2px solid var(--border-dark);
      border-radius: 50%;
      font-size: 20px;
      font-weight: 900;
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    .process-step h4 {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* ========== 7. 案例展示中心 ========== */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

    .case-card {
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .case-media {
      width: 100%;
      aspect-ratio: 16/9;
      background: #eee;
      border-bottom: 2px solid var(--border-dark);
      overflow: hidden;
    }

    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .case-card:hover .case-media img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-body h4 {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .case-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 12px;
    }

    /* ========== 8. 对比评测 (五星评级 / 9.9分) ========== */
    .comparison-wrapper {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-doodle-lg);
      padding: 32px;
    }

    .rating-header-card {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      background: #fffbe6;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-bottom: 28px;
    }

    .rating-score-box {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .score-num {
      font-size: 44px;
      font-weight: 900;
      color: var(--color-primary);
      line-height: 1;
    }

    .score-total {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-muted);
    }

    .stars-group {
      color: #ff9800;
      font-size: 24px;
      letter-spacing: 4px;
    }

    .comparison-table-wrap {
      overflow-x: auto;
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

    .comparison-table th, 
    .comparison-table td {
      padding: 16px;
      border-bottom: 1.5px solid var(--border-light);
      font-size: 14px;
    }

    .comparison-table th {
      background: var(--bg-card-alt);
      font-weight: 900;
      color: var(--text-main);
      border-bottom: 2px solid var(--border-dark);
    }

    .comparison-table td.highlight {
      font-weight: 800;
      color: var(--color-secondary);
      background: rgba(43, 127, 255, 0.04);
    }

    /* ========== 9. Token 比价与算力优势 ========== */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 22px;
    }

    .pricing-card {
      padding: 28px 24px;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .pricing-card.featured {
      background: #fffdf0;
      border: 3px solid var(--border-dark);
      transform: scale(1.02);
    }

    .pricing-card .price-val {
      font-size: 36px;
      font-weight: 900;
      color: var(--color-primary);
      margin: 14px 0 6px;
    }

    .pricing-card .price-unit {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .pricing-features {
      text-align: left;
      font-size: 14px;
      margin-bottom: 24px;
      line-height: 2;
    }

    .pricing-features li::before {
      content: "✓ ";
      color: var(--color-accent-green);
      font-weight: 900;
    }

    /* ========== 10. 加盟代理与算力被动收入 ========== */
    .agency-box {
      background: linear-gradient(135deg, #fff2eb 0%, #ffffff 100%);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-doodle-lg);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
    }

    .agency-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin: 20px 0;
    }

    .agency-point-item {
      background: #ffffff;
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 12px;
      font-size: 13px;
      font-weight: 700;
    }

    .agency-qr-card {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      box-shadow: var(--shadow-doodle);
    }

    .agency-qr-card img {
      max-width: 170px;
      margin: 0 auto 12px;
      border-radius: var(--radius-sm);
      border: 1.5px solid var(--border-dark);
    }

    /* ========== 11. 客户好评 (6位用户评论) ========== */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 22px;
    }

    .review-card {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-user-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar-badge {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--color-accent-yellow);
      border: 2px solid var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 16px;
    }

    .review-user-name {
      font-size: 15px;
      font-weight: 800;
    }

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

    .review-content {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      font-style: italic;
    }

    /* ========== 12. FAQ 折叠面板 (不少于 10 条) ========== */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
      user-select: none;
      background: #ffffff;
    }

    .faq-question:hover {
      background: #fdfae5;
    }

    .faq-toggle-icon {
      font-size: 18px;
      font-weight: 900;
      transition: transform 0.25s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed var(--border-light);
    }

    .faq-item.active .faq-answer {
      display: block;
    }

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

    /* ========== 13. AI 百科与知识科普 ========== */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    .wiki-card {
      padding: 20px;
      background: #ffffff;
    }

    .wiki-card h4 {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--color-secondary);
    }

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

    /* ========== 14. 行业资讯与最新文章 ========== */
    .news-section-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .news-card-inner {
      padding: 24px;
      height: 100%;
    }

    .article-links-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 14px;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: var(--bg-card-alt);
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 700;
      transition: var(--transition);
    }

    .article-link-item:hover {
      background: var(--color-accent-yellow);
      transform: translateX(4px);
    }

    /* ========== 15. 联系我们与智能需求匹配表单 ========== */
    .contact-form-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 32px;
      align-items: flex-start;
    }

    .contact-info-card {
      padding: 28px;
    }

    .contact-method-item {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 18px;
      font-size: 14px;
      font-weight: 700;
    }

    .contact-icon-pill {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--color-accent-yellow);
      border: 2px solid var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      flex-shrink: 0;
    }

    .form-wrapper {
      padding: 28px;
      background: #ffffff;
    }

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

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      outline: none;
      background: #ffffff;
      color: var(--text-main);
      font-family: inherit;
      box-shadow: 2px 2px 0px rgba(0,0,0,0.06);
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--color-secondary);
      box-shadow: var(--shadow-doodle-sm);
    }

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

    /* ========== 16. 底部 Footer ========== */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid var(--border-dark);
      padding: 48px 0 24px;
      color: var(--text-main);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 36px;
    }

    .footer-col h5 {
      font-size: 16px;
      font-weight: 900;
      margin-bottom: 16px;
      position: relative;
      display: inline-block;
    }

    .footer-col h5::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -3px;
      width: 100%;
      height: 4px;
      background: var(--color-accent-yellow);
      z-index: -1;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
      font-weight: 700;
      color: var(--text-muted);
    }

    .footer-links a:hover {
      color: var(--color-primary);
      text-decoration: underline;
    }

    .friend-links-box {
      border-top: 1.5px dashed var(--border-light);
      padding: 20px 0;
      margin-bottom: 20px;
      font-size: 13px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 8px;
    }

    .friend-links-list a {
      color: var(--text-muted);
      font-weight: 700;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: var(--color-secondary);
    }

    .footer-bottom {
      border-top: 2px solid var(--border-dark);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 700;
    }

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

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid var(--border-dark);
      box-shadow: var(--shadow-doodle);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-weight: 900;
      font-size: 16px;
      transition: var(--transition);
    }

    .float-btn:hover {
      transform: scale(1.1);
      box-shadow: var(--shadow-hover);
    }

    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-doodle-lg);
      padding: 14px;
      width: 170px;
      text-align: center;
      display: none;
    }

    .float-qr-popup.active {
      display: block;
    }

    /* ========== 响应式媒体查询 ========== */
    @media (max-width: 992px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .about-grid,
      .contact-form-grid,
      .agency-box,
      .news-section-wrap {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-content h1 {
        font-size: 28px;
      }
      .section-head h2 {
        font-size: 24px;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 2px solid var(--border-dark);
        padding: 16px 20px;
        flex-direction: column;
        align-items: flex-start;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: flex;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .about-features-list,
      .agency-points {
        grid-template-columns: 1fr;
      }
    }