/* roulang page: index */
:root {
      --primary: #4F46E5;
      --primary-hover: #4338CA;
      --secondary: #06B6D4;
      --accent: #F97316;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --border-color: #E2E8F0;
      --border-dark: #334155;
      --radius: 12px;
      --radius-sm: 6px;
      --radius-lg: 20px;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 20px 25px -5px rgba(79, 70, 229, 0.1), 0 8px 10px -6px rgba(79, 70, 229, 0.05);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *, *::before, *::after {
      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 SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.75;
      letter-spacing: 0.02em;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
    }

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

    .section {
      padding: 90px 0;
      position: relative;
    }

    .section-alt {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-light);
    }

    .section-header {
      margin-bottom: 50px;
    }

    .section-header.text-center {
      text-align: center;
    }

    .badge-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 9999px;
      background-color: rgba(79, 70, 229, 0.1);
      color: var(--primary);
      margin-bottom: 14px;
      letter-spacing: 0.05em;
    }

    .badge-tag-dark {
      background-color: rgba(6, 182, 212, 0.15);
      color: var(--secondary);
    }

    .section-title {
      font-size: 2.25rem;
      line-height: 1.3;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

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

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 68ch;
      line-height: 1.75;
    }

    .text-center .section-desc {
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      min-height: 46px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      user-select: none;
      text-align: center;
    }

    .btn:active {
      transform: scale(0.98);
    }

    .btn:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
      transform: translateY(-2px);
    }

    .btn-secondary {
      background-color: #FFFFFF;
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-secondary:hover {
      background-color: #F1F5F9;
      border-color: #CBD5E1;
      transform: translateY(-2px);
    }

    .btn-accent {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25);
    }

    .btn-accent:hover {
      background-color: #EA580C;
      transform: translateY(-2px);
    }

    .card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow);
      transition: var(--transition);
    }

    .card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
      border-color: rgba(79, 70, 229, 0.3);
    }

    /* Topbar */
    .topbar {
      background: #0B1120;
      color: #94A3B8;
      font-size: 0.825rem;
      border-bottom: 1px solid #1E293B;
      padding: 8px 0;
    }

    .topbar-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .topbar-info span {
      margin-right: 20px;
    }

    /* Navigation */
    .header-main {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.02em;
    }

    .brand-logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 8px;
      margin-right: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-weight: 900;
      font-size: 1.1rem;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }

    .nav-link {
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0%;
      height: 2px;
      background-color: var(--primary);
      transition: var(--transition);
    }

    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }

    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 1. Hero 招聘雇主式展示 */
    .hero-section {
      background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
      color: #FFFFFF;
      padding: 80px 0 100px;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      background-image: url('/assets/images/47dc50c6b025f588.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      mix-blend-mode: overlay;
    }

    .hero-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(79, 70, 229, 0.35);
      border: 1px solid rgba(129, 140, 248, 0.4);
      padding: 6px 16px;
      border-radius: 9999px;
      font-size: 0.875rem;
      color: #A5B4FC;
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #22C55E;
      margin-right: 8px;
      box-shadow: 0 0 8px #22C55E;
    }

    .hero-title {
      font-size: 2.85rem;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }

    .hero-title span {
      background: linear-gradient(90deg, #A5B4FC 0%, #38BDF8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.08rem;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 32px;
      max-width: 62ch;
    }

    .hero-btns {
      display: flex;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-trust-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      gap: 28px;
    }

    .hero-trust-item {
      display: flex;
      flex-direction: column;
    }

    .hero-trust-num {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--secondary);
    }

    .hero-trust-label {
      font-size: 0.8rem;
      color: #94A3B8;
    }

    /* 招聘雇主风格右侧卡片 */
    .hero-positions-card {
      background: rgba(30, 41, 59, 0.85);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius);
      padding: 30px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .positions-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .positions-header h3 {
      font-size: 1.15rem;
      color: #FFFFFF;
    }

    .positions-header span {
      font-size: 0.85rem;
      color: var(--secondary);
      background: rgba(6, 182, 212, 0.1);
      padding: 4px 10px;
      border-radius: 4px;
    }

    .position-item {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: 8px;
      padding: 16px;
      margin-bottom: 12px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition);
    }

    .position-item:hover {
      background: rgba(79, 70, 229, 0.2);
      border-color: rgba(129, 140, 248, 0.3);
      transform: translateX(4px);
    }

    .position-name {
      font-weight: 600;
      color: #F8FAFC;
      font-size: 0.95rem;
      margin-bottom: 4px;
    }

    .position-tags {
      font-size: 0.775rem;
      color: #94A3B8;
    }

    .position-tags span {
      margin-right: 8px;
    }

    .position-status {
      font-size: 0.85rem;
      color: #38BDF8;
      font-weight: 600;
    }

    /* 2. 问题陈述 */
    .painpoint-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .painpoint-card {
      background: #FFFFFF;
      border: 1px solid #FED7AA;
      border-radius: var(--radius);
      padding: 30px;
      position: relative;
      box-shadow: var(--shadow);
    }

    .painpoint-tag {
      position: absolute;
      top: -12px;
      left: 24px;
      background: #EA580C;
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 4px;
    }

    .painpoint-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 10px;
      margin-bottom: 12px;
    }

    .painpoint-desc {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 3. 操作演示 */
    .demo-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }

    .demo-step-list {
      list-style: none;
    }

    .demo-step-item {
      display: flex;
      margin-bottom: 24px;
      position: relative;
    }

    .demo-step-num {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(79, 70, 229, 0.1);
      color: var(--primary);
      font-size: 1.1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-right: 18px;
    }

    .demo-step-content h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .demo-step-content p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .demo-preview-card {
      background: #0F172A;
      border-radius: var(--radius);
      padding: 24px;
      color: #FFFFFF;
    }

    .preview-code-bar {
      display: flex;
      gap: 6px;
      margin-bottom: 16px;
    }

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

    .dot-red { background: #EF4444; }
    .dot-yellow { background: #F59E0B; }
    .dot-green { background: #10B981; }

    .preview-terminal {
      font-family: monospace;
      font-size: 0.85rem;
      color: #94A3B8;
      line-height: 1.8;
      background: #090D16;
      padding: 18px;
      border-radius: 8px;
    }

    .preview-terminal .code-hl {
      color: var(--secondary);
    }

    .preview-terminal .code-success {
      color: #10B981;
    }

    /* 4. 结果预览 */
    .preview-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .metric-card {
      background: #FFFFFF;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }

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

    .metric-val {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .metric-sub {
      font-size: 0.825rem;
      color: var(--text-muted);
    }

    /* 5. 常见卡住点 (异议拆解) */
    .blockers-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .blocker-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-left: 4px solid var(--primary);
      border-radius: var(--radius-sm);
      padding: 24px 28px;
    }

    .blocker-question {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
    }

    .blocker-question::before {
      content: 'Q';
      display: inline-block;
      width: 24px;
      height: 24px;
      background: rgba(79, 70, 229, 0.1);
      color: var(--primary);
      border-radius: 50%;
      text-align: center;
      line-height: 24px;
      font-size: 0.8rem;
      margin-right: 10px;
      flex-shrink: 0;
    }

    .blocker-answer {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 6. 成功路径与解决方案 */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .solution-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 30px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .solution-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(79, 70, 229, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.25rem;
      margin-bottom: 20px;
    }

    .solution-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .solution-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      flex-grow: 1;
    }

    .solution-foot {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px dashed var(--border-color);
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* 7. 合作模式推荐区 */
    .modes-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

    .mode-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-hover);
    }

    .featured-tag {
      position: absolute;
      top: -14px;
      right: 28px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.775rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 9999px;
    }

    .mode-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .mode-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 48px;
    }

    .mode-feature-list {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }

    .mode-feature-list li {
      font-size: 0.925rem;
      color: var(--text-body);
      padding: 8px 0;
      border-bottom: 1px solid #F1F5F9;
      display: flex;
      align-items: center;
    }

    .mode-feature-list li::before {
      content: '✔';
      color: var(--secondary);
      margin-right: 10px;
      font-weight: bold;
    }

    /* 8. 案例深度剖析 */
    .case-container {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .case-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .case-image-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 380px;
    }

    .case-info {
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .case-tag {
      font-size: 0.8rem;
      color: var(--secondary);
      font-weight: 700;
      margin-bottom: 12px;
    }

    .case-title {
      font-size: 1.6rem;
      color: #FFFFFF;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .case-summary {
      font-size: 0.95rem;
      color: #94A3B8;
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .case-data-badges {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      background: rgba(15, 23, 42, 0.6);
      border-radius: 8px;
      padding: 16px;
    }

    .case-badge-val {
      font-size: 1.25rem;
      font-weight: 800;
      color: #38BDF8;
    }

    .case-badge-label {
      font-size: 0.775rem;
      color: #64748B;
    }

    /* 9. 客户评价与口碑 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 30px;
      display: flex;
      flex-direction: column;
    }

    .testi-stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 14px;
    }

    .testi-quote {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .testi-author {
      display: flex;
      align-items: center;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: var(--primary);
      margin-right: 12px;
      flex-shrink: 0;
    }

    .author-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-title {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 10. 行业动态与投放资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .news-img-box {
      height: 180px;
      overflow: hidden;
      position: relative;
    }

    .news-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .news-card:hover .news-img-box img {
      transform: scale(1.05);
    }

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

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

    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .news-desc {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
    }

    .news-link::after {
      content: ' →';
      transition: var(--transition);
    }

    .news-card:hover .news-link::after {
      transform: translateX(4px);
    }

    /* 11. FAQ 手风琴 */
    .faq-wrapper {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-toggle {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-toggle:hover {
      background-color: #F8FAFC;
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: var(--transition);
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    .faq-body {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      display: none;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

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

    /* 12. 开始使用与接入表单 (收口行动区) */
    .cta-card {
      background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .cta-info h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-info p {
      font-size: 1rem;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .cta-checks {
      list-style: none;
    }

    .cta-checks li {
      font-size: 0.9rem;
      color: #94A3B8;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
    }

    .cta-checks li::before {
      content: '★';
      color: var(--secondary);
      margin-right: 8px;
    }

    .cta-form {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius);
      padding: 32px;
      backdrop-filter: blur(8px);
    }

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

    .form-label {
      display: block;
      font-size: 0.85rem;
      color: #E2E8F0;
      margin-bottom: 6px;
      font-weight: 500;
    }

    .form-control {
      width: 100%;
      height: 44px;
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      padding: 0 14px;
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--secondary);
      box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
    }

    select.form-control {
      appearance: none;
      background-image: url('data:image/svg+xml;utf8,<svg fill="%23FFFFFF" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
      background-repeat: no-repeat;
      background-position: right 10px top 50%;
    }

    /* Footer */
    .footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 70px 0 30px;
      font-size: 0.925rem;
      border-top: 1px solid #1E293B;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-brand h4 {
      font-size: 1.35rem;
      color: #FFFFFF;
      margin-bottom: 14px;
      font-weight: 800;
    }

    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .footer-col h5 {
      font-size: 1rem;
      color: #FFFFFF;
      margin-bottom: 20px;
      font-weight: 700;
    }

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

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 2.35rem;
      }
      .demo-wrapper {
        grid-template-columns: 1fr;
      }
      .case-row {
        grid-template-columns: 1fr;
      }
      .case-image-box img {
        min-height: 240px;
        max-height: 320px;
      }
      .cta-card {
        grid-template-columns: 1fr;
        padding: 40px 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .topbar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        box-shadow: var(--shadow-lg);
        display: none;
        border-bottom: 1px solid var(--border-color);
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-menu li {
        width: 100%;
      }
      .nav-link {
        display: block;
        padding: 10px 0;
      }
      .painpoint-grid,
      .preview-metrics-grid,
      .solution-grid,
      .modes-grid,
      .testimonial-grid,
      .news-grid,
      .blockers-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 1.85rem;
      }
      .hero-trust-bar {
        flex-wrap: wrap;
        gap: 16px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }