/* roulang page: index */
:root {
      --primary: #0F3E7D;
      --primary-hover: #0c3266;
      --secondary: #2563EB;
      --accent: #059669;
      --accent-soft: #ECFDF5;
      --dark: #0A192F;
      --text-main: #0F172A;
      --text-sub: #475569;
      --text-light: #94A3B8;
      --bg-main: #F8FAFC;
      --bg-white: #FFFFFF;
      --border-color: #E2E8F0;
      --border-hover: #93C5FD;
      --shadow-sm: 0 2px 6px -1px rgba(0, 0, 0, 0.04);
      --shadow-card: 0 4px 20px -2px rgba(15, 62, 125, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 12px 28px -4px rgba(15, 62, 125, 0.12), 0 6px 12px -2px rgba(0, 0, 0, 0.06);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 24px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      min-width: 320px;
    }

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

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* TopBar */
    .top-bar {
      background: #0d284e;
      color: #cbd5e1;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(37, 99, 235, 0.25);
      color: #93c5fd;
      padding: 2px 10px;
      border-radius: 999px;
      font-size: 12px;
    }
    .top-bar-dot {
      width: 6px;
      height: 6px;
      background: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 6px #10B981;
    }

    /* Header Nav */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      box-shadow: 0 2px 12px rgba(15, 62, 125, 0.05);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #ffffff;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 19px;
      box-shadow: 0 4px 10px rgba(15, 62, 125, 0.2);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }
    .nav-item a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-sub);
      transition: color 0.2s ease;
      position: relative;
      padding: 6px 0;
    }
    .nav-item a:hover,
    .nav-item.active a {
      color: var(--secondary);
    }
    .nav-item.active a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--secondary);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      text-align: center;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(15, 62, 125, 0.25);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(15, 62, 125, 0.35);
    }
    .btn-outline {
      background: transparent;
      border-color: var(--border-color);
      color: var(--primary);
    }
    .btn-outline:hover {
      border-color: var(--secondary);
      color: var(--secondary);
      background: rgba(37, 99, 235, 0.04);
    }
    .btn-accent {
      background: var(--accent);
      color: #ffffff;
    }
    .btn-accent:hover {
      background: #047857;
      transform: translateY(-2px);
    }
    .btn-lg {
      padding: 14px 30px;
      font-size: 16px;
      border-radius: var(--radius-md);
    }

    /* Badges */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
    }
    .badge-blue {
      background: rgba(37, 99, 235, 0.1);
      color: var(--secondary);
    }
    .badge-emerald {
      background: var(--accent-soft);
      color: var(--accent);
    }

    /* Section Commons */
    .section {
      padding: 90px 0;
      position: relative;
    }
    .section-alt {
      background-color: #ffffff;
    }
    .section-dark {
      background-color: var(--dark);
      color: #ffffff;
    }
    .section-head {
      margin-bottom: 50px;
      max-width: 820px;
    }
    .section-head.center {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-top: 12px;
      letter-spacing: -0.5px;
      line-height: 1.3;
    }
    .section-dark .section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-sub);
      margin-top: 14px;
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94a3b8;
    }

    /* Hero Section: Blueprint (优惠券墙入口，主券面放大 + 一键领取) */
    .hero-section {
      position: relative;
      padding: 80px 0 90px;
      background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 50%),
                  radial-gradient(circle at bottom left, rgba(15, 62, 125, 0.05), transparent 45%),
                  #ffffff;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-inner {
      display: grid;
      grid-template-columns: 1.05fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .hero-copy h1 {
      font-size: 46px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.22;
      margin: 16px 0 20px;
      letter-spacing: -1px;
    }
    .hero-lead {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 32px;
    }
    .hero-tag {
      background: #F1F5F9;
      color: #334155;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 500;
    }

    /* Coupon Wall Component */
    .coupon-wall-card {
      background: #ffffff;
      border: 2px dashed #93C5FD;
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: 0 16px 36px -8px rgba(15, 62, 125, 0.12);
      position: relative;
      background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    }
    .coupon-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px dashed var(--border-color);
    }
    .coupon-main-voucher {
      background: linear-gradient(135deg, var(--primary) 0%, #1E40AF 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 24px;
      position: relative;
      margin-bottom: 22px;
      box-shadow: 0 8px 24px rgba(15, 62, 125, 0.25);
    }
    .coupon-value {
      font-size: 48px;
      font-weight: 900;
      line-height: 1;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .coupon-unit {
      font-size: 20px;
      font-weight: 700;
    }
    .coupon-title {
      font-size: 19px;
      font-weight: 700;
      margin-top: 8px;
    }
    .coupon-detail {
      font-size: 13px;
      opacity: 0.9;
      margin-top: 6px;
      line-height: 1.5;
    }
    .coupon-sub-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }
    .coupon-sub-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 12px 14px;
    }
    .coupon-sub-item .title {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
    }
    .coupon-sub-item .desc {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 2px;
    }

    /* Block 01: Blueprint - 资料目录 */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .catalog-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .catalog-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-hover);
      box-shadow: var(--shadow-hover);
    }
    .catalog-badge {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
      display: inline-block;
    }
    .catalog-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .catalog-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .catalog-meta {
      font-size: 12px;
      color: var(--text-light);
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    /* Block 02: Blueprint - 价值点 */
    .value-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .value-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-card);
      position: relative;
      transition: all 0.25s ease;
    }
    .value-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-3px);
    }
    .value-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(37, 99, 235, 0.08);
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 18px;
    }
    .value-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .value-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* Block 03: Blueprint - 关键图表与指标 */
    .charts-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .chart-panel-visual {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 30px;
      box-shadow: var(--shadow-card);
    }
    .bar-row {
      margin-bottom: 16px;
    }
    .bar-label {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .bar-track {
      background: #edf2f7;
      height: 8px;
      border-radius: 999px;
      overflow: hidden;
    }
    .bar-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--secondary), var(--primary));
      border-radius: 999px;
    }
    .stat-ribbon {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 36px;
      background: #F1F5F9;
      padding: 24px;
      border-radius: var(--radius-lg);
    }
    .ribbon-item {
      text-align: center;
    }
    .ribbon-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
    }
    .ribbon-title {
      font-size: 13px;
      color: var(--text-sub);
      margin-top: 4px;
    }

    /* Block 04: Blueprint - 相关资源 */
    .resource-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .res-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 22px;
      transition: all 0.25s ease;
      box-shadow: var(--shadow-sm);
    }
    .res-card:hover {
      border-color: var(--border-hover);
      box-shadow: var(--shadow-card);
      transform: translateY(-3px);
    }
    .res-tag {
      font-size: 11px;
      font-weight: 700;
      color: #0284c7;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .res-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin: 10px 0 8px;
    }
    .res-card p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* Block 05: 算法与技术架构 */
    .tech-arch-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-preview {
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }
    .arch-preview img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .arch-specs {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .spec-item {
      display: flex;
      gap: 16px;
      padding: 16px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .spec-icon {
      font-size: 20px;
      color: var(--secondary);
      flex-shrink: 0;
      margin-top: 2px;
    }
    .spec-content h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }
    .spec-content p {
      font-size: 13px;
      color: var(--text-sub);
      margin-top: 4px;
    }

    /* Block 06: 使用场景矩阵 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scene-box {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 340px;
      box-shadow: var(--shadow-card);
    }
    .scene-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scene-box:hover img {
      transform: scale(1.05);
    }
    .scene-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.1) 0%, rgba(10, 25, 47, 0.92) 100%);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      color: #ffffff;
    }
    .scene-overlay h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .scene-overlay p {
      font-size: 13px;
      color: #cbd5e1;
      line-height: 1.5;
    }

    /* Block 07: 算法估值与房源诊断交互模拟 */
    .diag-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 36px;
      box-shadow: var(--shadow-hover);
    }
    .diag-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
    }
    .diag-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .diag-input-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .diag-input {
      width: 100%;
      padding: 10px 14px;
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
    }
    .diag-result {
      background: #f0f7ff;
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .result-score {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }
    .score-big {
      font-size: 44px;
      font-weight: 900;
      color: var(--primary);
    }
    .score-text {
      font-size: 14px;
      color: var(--text-sub);
    }

    /* Block 08: 成功案例与算法实践 */
    .case-banner {
      background: linear-gradient(135deg, #0A192F 0%, #0F3E7D 100%);
      border-radius: var(--radius-xl);
      padding: 48px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .case-banner h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .case-banner p {
      font-size: 15px;
      color: #cbd5e1;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .case-metrics-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .metric-pill {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .metric-pill .num {
      font-size: 24px;
      font-weight: 800;
      color: #38bdf8;
    }
    .metric-pill .lbl {
      font-size: 12px;
      color: #e2e8f0;
      margin-top: 4px;
    }

    /* Block 09: 对比选型与套餐价格 (高亮档) */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 36px 30px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: all 0.3s ease;
    }
    .pricing-card.featured {
      border: 2px solid var(--secondary);
      box-shadow: 0 16px 36px -6px rgba(37, 99, 235, 0.18);
      transform: scale(1.02);
    }
    .featured-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--secondary);
      color: #ffffff;
      padding: 4px 14px;
      font-size: 12px;
      font-weight: 700;
      border-radius: 999px;
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
    }
    .price-num {
      font-size: 42px;
      font-weight: 900;
      color: var(--primary);
      margin: 16px 0 6px;
    }
    .pricing-features {
      list-style: none;
      margin: 24px 0 32px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .pricing-features li {
      font-size: 14px;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pricing-features li::before {
      content: '✓';
      color: var(--accent);
      font-weight: 800;
    }

    /* Block 10: 行业客户多元化口碑评价墙 */
    .testimonial-masonry {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow-card);
    }
    .testi-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 14px;
      letter-spacing: 2px;
    }
    .testi-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }
    .user-avatar-circle {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .user-info h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-info span {
      font-size: 12px;
      color: var(--text-light);
    }

    /* Block 11: 误区澄清与风险穿透 */
    .clarify-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .clarify-card {
      background: #ffffff;
      border-left: 4px solid var(--secondary);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      border-top: 1px solid var(--border-color);
      border-right: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .clarify-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .clarify-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* Block 12: Blueprint - 资讯列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .news-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .news-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }
    .news-thumb {
      height: 160px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-item:hover .news-thumb img {
      transform: scale(1.06);
    }
    .news-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      justify-content: space-between;
    }
    .news-meta-time {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-body h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-body p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .news-action {
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
    }

    /* Block 13: Blueprint - 领取表单 (单点收口) */
    .lead-section {
      background: radial-gradient(circle at center, #1E3A8A 0%, #0F172A 100%);
      color: #ffffff;
      border-radius: var(--radius-xl);
      padding: 56px 40px;
      margin: 20px 0 40px;
      box-shadow: 0 20px 40px rgba(15, 62, 125, 0.25);
    }
    .lead-box {
      max-width: 760px;
      margin: 0 auto;
      text-align: center;
    }
    .lead-box h3 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .lead-box p {
      font-size: 15px;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .lead-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr auto;
      gap: 12px;
      background: rgba(255, 255, 255, 0.08);
      padding: 12px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .lead-form-grid input {
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.95);
      color: var(--text-main);
      font-size: 14px;
      outline: none;
    }
    .lead-form-grid input:focus {
      border-color: #38bdf8;
    }

    /* Site Footer */
    footer.site-footer {
      background: #061121;
      color: #94a3b8;
      font-size: 14px;
      padding-top: 70px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 60px;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-col p {
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 12px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 24px 0;
      font-size: 13px;
      color: #64748b;
    }
    .footer-bottom-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-inner {
        grid-template-columns: 1fr;
      }
      .catalog-grid,
      .value-grid,
      .pricing-grid,
      .testimonial-masonry {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-card.featured {
        transform: none;
      }
      .resource-grid,
      .scene-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .charts-split,
      .tech-arch-wrapper,
      .diag-grid,
      .case-banner {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 60px 0;
      }
      .hero-copy h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .nav-menu {
        display: none;
      }
      .catalog-grid,
      .value-grid,
      .pricing-grid,
      .testimonial-masonry,
      .resource-grid,
      .scene-grid,
      .news-grid,
      .clarify-grid {
        grid-template-columns: 1fr;
      }
      .stat-ribbon {
        grid-template-columns: 1fr 1fr;
      }
      .lead-form-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }