:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent: #ff4757;
      --accent-hover: #ee3847;
      --secondary: #00d2d3;
      --dark: #0f172a;
      --dark-light: #1e293b;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --highlight-yellow: #feca57;
      --container-max: 1200px;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 20px -3px rgba(15, 23, 42, 0.08);
      --shadow-pop: 5px 5px 0px #0f172a;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      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, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--dark);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .brand-box .ai-page-logo {
      height: 44px;
      width: auto;
      object-fit: contain;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: #eef2ff;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: var(--transition);
      border: 2px solid var(--dark);
      text-align: center;
      font-size: 0.95rem;
      line-height: 1.2;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 3px 3px 0 var(--dark);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translate(-2px, -2px);
      box-shadow: 5px 5px 0 var(--dark);
    }

    .btn-accent {
      background-color: var(--accent);
      color: #ffffff;
      box-shadow: 3px 3px 0 var(--dark);
    }

    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translate(-2px, -2px);
      box-shadow: 5px 5px 0 var(--dark);
    }

    .btn-white {
      background-color: #ffffff;
      color: var(--dark);
      box-shadow: 3px 3px 0 var(--dark);
    }

    .btn-white:hover {
      background-color: #f1f5f9;
      transform: translate(-2px, -2px);
      box-shadow: 5px 5px 0 var(--dark);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 2px solid var(--dark);
      border-radius: var(--radius-sm);
      padding: 6px 10px;
      cursor: pointer;
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--dark);
    }

    /* 模块通用标题 */
    .section-wrap {
      padding: 80px 0;
      border-bottom: 2px solid var(--border-color);
    }

    .section-head {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .badge-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.82rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      border-radius: 30px;
      border: 2px solid var(--dark);
      background-color: var(--highlight-yellow);
      color: var(--dark);
      margin-bottom: 14px;
      box-shadow: 2px 2px 0 var(--dark);
    }

    .section-head h2 {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-head p {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* Hero 首屏 - 严格无图，撞色艳色风 */
    .hero-section {
      background: linear-gradient(135deg, #fef2f2 0%, #ede9fe 50%, #e0f2fe 100%);
      padding: 90px 0 80px 0;
      position: relative;
      border-bottom: 3px solid var(--dark);
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

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

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: #ffffff;
      border: 2px solid var(--dark);
      padding: 6px 16px;
      border-radius: 40px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--dark);
      box-shadow: 3px 3px 0 var(--dark);
      margin-bottom: 20px;
    }

    .hero-eyebrow .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background-color: #10b981;
      display: inline-block;
      animation: pulseDot 1.5s infinite;
    }

    @keyframes pulseDot {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.8; }
    }

    .hero-content h1 {
      font-size: 2.6rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--dark);
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-content h1 .highlight-text {
      background: linear-gradient(120deg, #ff4757 0%, #4f46e5 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: #334155;
      margin-bottom: 32px;
      font-weight: 500;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }

    .hero-actions .btn-official {
      background-color: var(--accent);
      color: #ffffff;
      font-size: 1.1rem;
      padding: 14px 34px;
      border: 2px solid var(--dark);
      box-shadow: 4px 4px 0 var(--dark);
      font-weight: 800;
    }

    .hero-actions .btn-official:hover {
      transform: translate(-3px, -3px);
      box-shadow: 7px 7px 0 var(--dark);
      background-color: var(--accent-hover);
    }

    .hero-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .chip-item {
      background: #ffffff;
      border: 2px solid var(--dark);
      padding: 5px 12px;
      border-radius: 8px;
      font-size: 0.82rem;
      font-weight: 700;
      box-shadow: 2px 2px 0 var(--dark);
    }

    /* 首屏右侧纯 CSS 创意数据看板，严禁使用图片 */
    .hero-visual-card {
      background: #ffffff;
      border: 3px solid var(--dark);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 8px 8px 0 var(--dark);
      position: relative;
    }

    .visual-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 2px solid #e2e8f0;
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

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

    .visual-dots span {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 1px solid var(--dark);
    }

    .visual-dots span:nth-child(1) { background: #ff5f56; }
    .visual-dots span:nth-child(2) { background: #ffbd2e; }
    .visual-dots span:nth-child(3) { background: #27c93f; }

    .visual-card-title {
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--dark);
    }

    .metric-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 20px;
    }

    .metric-box {
      border: 2px solid var(--dark);
      padding: 16px;
      border-radius: var(--radius-md);
      box-shadow: 3px 3px 0 var(--dark);
    }

    .metric-box.orange { background-color: #fff1f2; }
    .metric-box.purple { background-color: #ede9fe; }
    .metric-box.cyan { background-color: #cffafe; }
    .metric-box.yellow { background-color: #fef9c3; }

    .metric-box .num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--dark);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .metric-box .label {
      font-size: 0.85rem;
      font-weight: 700;
      color: #475569;
    }

    .model-terminal {
      background: #0f172a;
      border-radius: var(--radius-md);
      padding: 16px;
      color: #38bdf8;
      font-family: Consolas, Monaco, "Courier New", Courier, monospace;
      font-size: 0.82rem;
      line-height: 1.6;
      border: 2px solid var(--dark);
    }

    .terminal-line {
      display: flex;
      gap: 8px;
    }

    .terminal-line span.green { color: #4ade80; }
    .terminal-line span.white { color: #f8fafc; }

    /* 数据指标条 */
    .metrics-bar {
      background-color: #ffffff;
      border-bottom: 2px solid var(--border-color);
      padding: 30px 0;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: 4px 4px 0 var(--dark);
      transition: var(--transition);
    }

    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: 6px 6px 0 var(--dark);
    }

    .stat-card .val {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .stat-card .title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 6px;
    }

    .stat-card .detail {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 关于我们 / 平台介绍 */
    .about-box {
      background-color: #ffffff;
      border: 3px solid var(--dark);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 8px 8px 0 var(--dark);
    }

    .about-top-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-bottom: 30px;
    }

    .about-text h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 16px;
    }

    .about-text p {
      font-size: 1rem;
      color: #334155;
      margin-bottom: 16px;
      text-align: justify;
    }

    .about-features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .about-feature-item {
      background: #f8fafc;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: 3px 3px 0 var(--dark);
    }

    .about-feature-item h4 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .about-feature-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* AIGC 场景服务卡片 (主打场景) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: 4px 4px 0 var(--dark);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translate(-3px, -3px);
      box-shadow: 7px 7px 0 var(--dark);
    }

    .service-card.highlight {
      border-color: var(--accent);
      background: #fff5f5;
    }

    .card-top {
      margin-bottom: 16px;
    }

    .service-tag {
      display: inline-block;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.78rem;
      font-weight: 800;
      border: 1px solid var(--dark);
      margin-bottom: 12px;
      background: #e0e7ff;
      color: #3730a3;
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: #475569;
      line-height: 1.6;
    }

    .service-foot-link {
      margin-top: 18px;
      display: inline-flex;
      align-items: center;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary);
    }

    /* 一站式制作与素材图展示 */
    .showcase-banner-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 40px;
    }

    .banner-img-box {
      border: 3px solid var(--dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 6px 6px 0 var(--dark);
      background: #ffffff;
    }

    .banner-img-box img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .banner-img-box:hover img {
      transform: scale(1.03);
    }

    .banner-meta {
      padding: 16px 20px;
      background: #ffffff;
      border-top: 2px solid var(--dark);
    }

    .banner-meta h4 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--dark);
    }

    /* 行业解决方案 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .industry-card {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: 4px 4px 0 var(--dark);
    }

    .industry-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .industry-card ul {
      list-style: none;
      font-size: 0.88rem;
      color: #475569;
    }

    .industry-card ul li {
      margin-bottom: 8px;
      position: relative;
      padding-left: 14px;
    }

    .industry-card ul li::before {
      content: "■";
      position: absolute;
      left: 0;
      font-size: 0.6rem;
      color: var(--accent);
      top: 3px;
    }

    /* 对比评测 板块 (评测与打分严格遵循要求) */
    .evaluation-card {
      background: #ffffff;
      border: 3px solid var(--dark);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 8px 8px 0 var(--dark);
    }

    .eval-highlight-header {
      background: linear-gradient(135deg, #fef3c7 0%, #fee2e2 100%);
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-block {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-badge {
      background: var(--accent);
      color: #ffffff;
      border: 2px solid var(--dark);
      padding: 12px 20px;
      border-radius: var(--radius-md);
      font-size: 1.8rem;
      font-weight: 900;
      box-shadow: 3px 3px 0 var(--dark);
    }

    .score-info h3 {
      font-size: 1.4rem;
      font-weight: 900;
      color: var(--dark);
      margin-bottom: 4px;
    }

    .score-info p {
      font-size: 0.95rem;
      color: #475569;
      font-weight: 700;
    }

    .stars-box {
      font-size: 1.4rem;
      color: #f59e0b;
      letter-spacing: 2px;
    }

    /* 对比表格 */
    .eval-table-wrapper {
      overflow-x: auto;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      border: 2px solid var(--dark);
      font-size: 0.92rem;
    }

    .eval-table th, .eval-table td {
      padding: 14px 18px;
      border: 1px solid var(--border-color);
      text-align: left;
    }

    .eval-table thead th {
      background-color: #0f172a;
      color: #ffffff;
      font-weight: 800;
      border: 1px solid var(--dark);
    }

    .eval-table thead th.col-jx {
      background-color: var(--primary);
    }

    .eval-table tr:nth-child(even) {
      background-color: #f8fafc;
    }

    .eval-table td.col-jx {
      background-color: #eef2ff;
      font-weight: 700;
      color: var(--primary);
    }

    .eval-table td.dim {
      font-weight: 800;
      color: var(--dark);
    }

    /* Token 比价 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .token-card {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 4px 4px 0 var(--dark);
      text-align: center;
    }

    .token-card.special {
      background: #fffbeb;
      border-color: #f59e0b;
    }

    .token-model-name {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--dark);
    }

    .official-price {
      font-size: 0.85rem;
      color: #94a3b8;
      text-decoration: line-through;
      margin-bottom: 4px;
    }

    .platform-price {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--accent);
      margin-bottom: 12px;
    }

    .token-discount {
      display: inline-block;
      padding: 3px 10px;
      background: #fee2e2;
      color: #b91c1c;
      border-radius: 20px;
      font-size: 0.78rem;
      font-weight: 800;
    }

    /* 标准制作流程 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .flow-step-item {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: 3px 3px 0 var(--dark);
      position: relative;
    }

    .step-number {
      width: 32px;
      height: 32px;
      background: var(--dark);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .flow-step-item h4 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .flow-step-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .case-card {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 4px 4px 0 var(--dark);
    }

    .case-img-container {
      height: 200px;
      background: #e2e8f0;
      overflow: hidden;
    }

    .case-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-body {
      padding: 20px;
    }

    .case-tag {
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
      display: block;
    }

    .case-body h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .case-body p {
      font-size: 0.88rem;
      color: #475569;
      margin-bottom: 14px;
    }

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

    .review-card {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: 4px 4px 0 var(--dark);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.6;
      margin-bottom: 20px;
      position: relative;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--dark);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .user-details h5 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--dark);
    }

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

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #eff6ff 0%, #fdf2f8 100%);
      border: 3px solid var(--dark);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: 8px 8px 0 var(--dark);
    }

    .agent-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .agent-features-list {
      list-style: none;
      margin-top: 20px;
    }

    .agent-features-list li {
      margin-bottom: 12px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .agent-features-list li span.icon {
      color: var(--accent);
      font-weight: 900;
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      box-shadow: 3px 3px 0 var(--dark);
      overflow: hidden;
      transition: var(--transition);
    }

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

    .faq-question:hover {
      background: #f8fafc;
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 900;
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #f8fafc;
      border-top: 1px solid var(--border-color);
    }

    .faq-answer-inner {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
    }

    /* 需求匹配与表单板块 */
    .contact-form-section {
      background: #ffffff;
      border: 3px solid var(--dark);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 8px 8px 0 var(--dark);
    }

    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 16px;
    }

    .contact-info-panel p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .contact-detail-items {
      list-style: none;
      margin-bottom: 30px;
    }

    .contact-detail-items li {
      margin-bottom: 14px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .qr-container {
      display: inline-block;
      border: 2px solid var(--dark);
      padding: 12px;
      border-radius: var(--radius-md);
      background: #ffffff;
      box-shadow: 3px 3px 0 var(--dark);
      text-align: center;
    }

    .qr-container img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      margin-bottom: 8px;
    }

    .qr-container span {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--dark);
      display: block;
    }

    /* 需求提交表单 */
    .custom-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--dark);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 2px solid var(--dark);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--dark);
      background: #ffffff;
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 3px 3px 0 var(--primary);
    }

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

    /* 资讯与文章列表 */
    .articles-container {
      background: #ffffff;
      border: 2px solid var(--dark);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 4px 4px 0 var(--dark);
      margin-top: 20px;
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-links-list li a {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-weight: 700;
      color: var(--dark);
      background: #f8fafc;
    }

    .article-links-list li a:hover {
      background: #eef2ff;
      border-color: var(--primary);
      color: var(--primary);
      transform: translateX(4px);
    }

    /* 友情链接与生态拓展 */
    .friendly-links-section {
      background: #ffffff;
      border-top: 2px solid var(--border-color);
      padding: 30px 0;
    }

    .friendly-links-box {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friendly-links-box span.label {
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--dark);
    }

    .friendly-links-box a {
      font-size: 0.88rem;
      font-weight: 600;
      color: #475569;
      background: #f1f5f9;
      border: 1px solid var(--border-color);
      padding: 4px 12px;
      border-radius: 6px;
    }

    .friendly-links-box a:hover {
      background: var(--dark);
      color: #ffffff;
      border-color: var(--dark);
    }

    /* 页脚设计 */
    footer.site-footer {
      background-color: #0f172a;
      color: #94a3b8;
      border-top: 3px solid var(--dark);
      padding: 60px 0 30px 0;
    }

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

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

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.6;
      margin-bottom: 14px;
    }

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

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list li a {
      font-size: 0.88rem;
      color: #cbd5e1;
    }

    .footer-links-list li a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-bottom {
      border-top: 1px solid #334155;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

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

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--dark);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      border: 2px solid #ffffff;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      transition: var(--transition);
    }

    .float-btn:hover {
      transform: scale(1.1);
      background: var(--primary);
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-grid, .about-top-grid, .agent-grid, .contact-layout {
        grid-template-columns: 1fr;
      }

      .services-grid, .industry-grid, .token-grid, .case-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }

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

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

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }

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

      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--dark);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }

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

      .nav-links li {
        width: 100%;
        text-align: center;
      }

      .nav-links li a {
        padding: 12px;
        width: 100%;
      }

      .header-cta-group .btn-white {
        display: none;
      }

      .hero-content h1 {
        font-size: 2.1rem;
      }

      .metrics-grid, .about-features, .services-grid, .industry-grid, .token-grid, .case-grid, .reviews-grid, .showcase-banner-grid {
        grid-template-columns: 1fr;
      }

      .flow-steps {
        grid-template-columns: 1fr;
      }

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

      .eval-highlight-header {
        flex-direction: column;
        align-items: flex-start;
      }
    }