/* roulang page: index */
:root {
      --primary-dark: #0B192C;
      --deep-midnight: #070F1E;
      --accent-mint: #00E599;
      --accent-hover: #00c784;
      --coral-orange: #FF5E36;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --bg-white: #FFFFFF;
      --bg-light: #F8FAFC;
      --bg-slate: #F1F5F9;
      --border-light: #E2E8F0;
      --border-dark: #1E293B;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 20px 35px -10px rgba(0, 0, 0, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    html {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      scroll-behavior: smooth;
      background-color: var(--bg-white);
      color: var(--text-main);
      -webkit-font-smoothing: antialiased;
    }

    body {
      line-height: 1.75;
      overflow-x: hidden;
      font-size: 15px;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航与微条 */
    .top-micro-bar {
      height: 36px;
      background-color: var(--primary-dark);
      color: var(--text-light);
      font-size: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
    }

    .top-micro-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .top-status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-mint);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-mint);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(8px);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
      border-bottom: 1px solid var(--border-light);
    }

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

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

    .logo-glyph {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary-dark), #1d3557);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-mint);
      font-size: 20px;
      font-weight: 800;
      border: 1px solid rgba(0, 229, 153, 0.3);
    }

    .brand-text-name {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--primary-dark);
    }

    .brand-text-name span {
      color: var(--accent-mint);
      font-weight: 800;
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }

    .nav-link-item {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 2px;
      position: relative;
    }

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

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

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

    .btn-header-cta {
      background-color: var(--accent-mint);
      color: var(--primary-dark);
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
      border: 1px solid transparent;
    }

    .btn-header-cta:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 4px 14px rgba(0, 229, 153, 0.35);
      transform: translateY(-1px);
    }

    /* 移动端汉堡按钮 */
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .burger-icon {
      width: 24px;
      height: 20px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .burger-icon span {
      display: block;
      width: 100%;
      height: 2px;
      background-color: var(--primary-dark);
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 板块标准排版规范 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .tag-mint {
      background-color: rgba(0, 229, 153, 0.15);
      color: #00875a;
    }

    .tag-orange {
      background-color: rgba(255, 94, 54, 0.12);
      color: #c93b16;
    }

    .tag-dark {
      background-color: rgba(255, 255, 255, 0.12);
      color: var(--accent-mint);
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary-dark);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 760px;
      margin: 0 auto;
    }

    /* 1. Hero 矮横幅与品牌主张区 */
    .hero-banner-section {
      background: linear-gradient(135deg, #070F1E 0%, #0B192C 100%);
      color: #FFFFFF;
      padding: 64px 0 54px 0;
      border-bottom: 1px solid var(--border-dark);
      position: relative;
      overflow: hidden;
    }

    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/64996fa1f0aff87c.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      mix-blend-mode: overlay;
    }

    .hero-layout-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 40px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

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

    .hero-intro-text {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 28px;
      max-width: 680px;
    }

    .hero-actions-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 32px;
    }

    .btn-mint-solid {
      background-color: var(--accent-mint);
      color: var(--primary-dark);
      padding: 13px 28px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--accent-mint);
    }

    .btn-mint-solid:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 229, 153, 0.4);
    }

    .btn-outline-ghost {
      background-color: transparent;
      color: #FFFFFF;
      padding: 13px 28px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.25);
    }

    .btn-outline-ghost:hover {
      border-color: #FFFFFF;
      background-color: rgba(255, 255, 255, 0.05);
    }

    .hero-status-card {
      background: rgba(11, 25, 44, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 24px;
      backdrop-filter: blur(10px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    }

    .status-card-header {
      font-size: 13px;
      font-weight: 700;
      color: var(--accent-mint);
      letter-spacing: 1px;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 10px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .metric-compact-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 12px;
      font-size: 14px;
    }

    .metric-compact-val {
      font-weight: 700;
      color: #FFFFFF;
    }

    /* 2. 传统运营痛点剖析区 */
    .pain-points-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .pain-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-top: 3px solid var(--coral-orange);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

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

    .pain-num-tag {
      font-size: 12px;
      font-weight: 800;
      color: var(--coral-orange);
      background: rgba(255, 94, 54, 0.1);
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 14px;
    }

    .pain-card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }

    .pain-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 3. 架构方案全景区 */
    .arch-tabs-wrapper {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 320px 1fr;
      gap: 36px;
      align-items: center;
    }

    .arch-tab-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .arch-tab-btn {
      text-align: left;
      padding: 16px 20px;
      border-radius: var(--radius-md);
      background-color: var(--bg-slate);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
    }

    .arch-tab-btn.active, .arch-tab-btn:hover {
      background-color: #FFFFFF;
      border-color: var(--accent-mint);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }

    .tab-btn-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-dark);
      display: block;
      margin-bottom: 4px;
    }

    .tab-btn-sub {
      font-size: 12px;
      color: var(--text-muted);
    }

    .arch-display-body {
      background-color: #070F1E;
      border-radius: var(--radius-md);
      padding: 28px;
      color: #FFFFFF;
      border: 1px solid var(--border-dark);
    }

    .arch-display-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--accent-mint);
      margin-bottom: 12px;
    }

    .arch-display-desc {
      font-size: 14px;
      color: #94A3B8;
      margin-bottom: 20px;
      line-height: 1.8;
    }

    .arch-spec-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .spec-item-badge {
      background: rgba(255, 255, 255, 0.08);
      font-size: 12px;
      padding: 6px 12px;
      border-radius: 4px;
      color: #E2E8F0;
    }

    /* 4. 六大核心技术优势区 */
    .six-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .advantage-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-light);
      position: relative;
      transition: var(--transition);
      overflow: hidden;
    }

    .advantage-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--accent-mint);
      transform: scaleX(0);
      transform-origin: left;
      transition: var(--transition);
    }

    .advantage-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }

    .advantage-card:hover::before {
      transform: scaleX(1);
    }

    .adv-icon-badge {
      width: 44px;
      height: 44px;
      background-color: rgba(0, 229, 153, 0.12);
      color: #00875a;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
      border-radius: 8px;
      margin-bottom: 16px;
    }

    .adv-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }

    .adv-content {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 14px;
    }

    .adv-tag-item {
      display: inline-block;
      font-size: 11px;
      font-weight: 600;
      color: var(--primary-dark);
      background-color: var(--bg-slate);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 5. 三大热门产品矩阵区 */
    .products-three-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }

    .product-box {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .product-box.featured-product {
      border: 2px solid var(--accent-mint);
      box-shadow: 0 15px 35px rgba(0, 229, 153, 0.15);
      transform: translateY(-8px);
    }

    .featured-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--accent-mint);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 20px;
      box-shadow: 0 4px 10px rgba(0, 229, 153, 0.4);
    }

    .product-img-wrapper {
      margin: -32px -28px 24px -28px;
      border-top-left-radius: var(--radius-lg);
      border-top-right-radius: var(--radius-lg);
      overflow: hidden;
      height: 180px;
    }

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

    .product-box:hover .product-img-wrapper img {
      transform: scale(1.05);
    }

    .prod-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--coral-orange);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .prod-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }

    .prod-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .prod-feature-list {
      list-style: none;
      border-top: 1px solid var(--border-light);
      padding-top: 18px;
      margin-bottom: 24px;
    }

    .prod-feature-list li {
      font-size: 13px;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .prod-feature-list li::before {
      content: '✔';
      color: var(--accent-mint);
      font-weight: 800;
      font-size: 11px;
    }

    .btn-product-explore {
      display: block;
      text-align: center;
      padding: 12px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      background: var(--bg-slate);
      color: var(--primary-dark);
      border: 1px solid var(--border-light);
    }

    .btn-product-explore:hover {
      background: var(--primary-dark);
      color: #FFFFFF;
      border-color: var(--primary-dark);
    }

    /* 6. 落地实施路径区 */
    .roadmap-timeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .roadmap-step-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .step-index-circle {
      width: 36px;
      height: 36px;
      background: var(--primary-dark);
      color: var(--accent-mint);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 16px;
      border: 2px solid var(--accent-mint);
    }

    .step-duration-badge {
      position: absolute;
      top: 24px;
      right: 24px;
      font-size: 12px;
      color: var(--text-muted);
      background: var(--bg-slate);
      padding: 2px 8px;
      border-radius: 4px;
    }

    .step-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 7. 深色浸入式技术底座理念区 */
    .deep-tech-section {
      background-color: var(--deep-midnight);
      color: #FFFFFF;
      padding: 90px 0;
      position: relative;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }

    .deep-tech-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .tech-spec-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 24px;
    }

    .tech-spec-table th, .tech-spec-table td {
      padding: 14px 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
      text-align: left;
    }

    .tech-spec-table th {
      color: #94A3B8;
      font-weight: 500;
      width: 35%;
    }

    .tech-spec-table td {
      color: #FFFFFF;
      font-weight: 600;
    }

    .tech-spec-highlight {
      color: var(--accent-mint);
      font-weight: 700;
    }

    /* 8. 标杆案例与场景实录 */
    .case-stories-stack {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

    .case-item-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      align-items: center;
      box-shadow: var(--shadow-sm);
    }

    .case-item-row.reverse-layout {
      direction: rtl;
    }

    .case-item-row.reverse-layout > * {
      direction: ltr;
    }

    .case-visual-box {
      height: 340px;
      position: relative;
    }

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

    .case-text-box {
      padding: 36px;
    }

    .case-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--coral-orange);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }

    .case-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 14px;
      line-height: 1.4;
    }

    .case-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .case-stat-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      padding-top: 18px;
      border-top: 1px solid var(--border-light);
    }

    .case-stat-item strong {
      display: block;
      font-size: 20px;
      color: var(--primary-dark);
      font-weight: 800;
    }

    .case-stat-item span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 9. 数字化指标统计条 */
    .metrics-counter-bar {
      background: var(--primary-dark);
      color: #FFFFFF;
      padding: 50px 0;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }

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

    .metric-counter-unit {
      padding: 12px;
      border-right: 1px solid rgba(255, 255, 255, 0.08);
    }

    .metric-counter-unit:last-child {
      border-right: none;
    }

    .metric-huge-number {
      font-size: 42px;
      font-weight: 800;
      color: var(--accent-mint);
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }

    .metric-title-label {
      font-size: 15px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 4px;
    }

    .metric-sub-note {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 10. 客户与合作方证言区 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }

    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .testi-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.8;
      margin-bottom: 22px;
      position: relative;
    }

    .testi-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }

    .testi-avatar-placeholder {
      width: 44px;
      height: 44px;
      background: var(--bg-slate);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-dark);
      border: 1px solid var(--border-light);
      font-size: 14px;
    }

    .testi-author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .testi-author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 11. 业态人群与细分矩阵 */
    .audiences-four-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .audience-card-box {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }

    .audience-card-box:hover {
      border-color: var(--accent-mint);
      transform: translateY(-3px);
    }

    .audience-badge {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      background: var(--bg-slate);
      color: var(--primary-dark);
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .audience-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }

    .audience-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 14px;
    }

    .audience-feat-tag {
      font-size: 12px;
      color: #00875a;
      font-weight: 600;
    }

    /* 12. 前沿资讯动态 */
    .news-three-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card-item {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .news-card-img {
      height: 170px;
      width: 100%;
      object-fit: cover;
    }

    .news-content-pad {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-date-tag {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .news-card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-dark);
      line-height: 1.45;
      margin-bottom: 10px;
    }

    .news-card-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .news-inline-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-dark);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .news-inline-link:hover {
      color: var(--accent-mint);
    }

    /* 13. 高频常见问题释疑 */
    .faq-accordion-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item-details {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item-details[open] {
      border-color: var(--accent-mint);
      box-shadow: var(--shadow-sm);
    }

    .faq-summary-btn {
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary-dark);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-summary-btn::-webkit-details-marker {
      display: none;
    }

    .faq-summary-btn::after {
      content: '+';
      font-size: 20px;
      font-weight: 400;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .faq-item-details[open] .faq-summary-btn::after {
      content: '−';
      color: var(--accent-mint);
    }

    .faq-answer-content {
      padding: 0 22px 20px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid var(--bg-slate);
      padding-top: 14px;
    }

    /* 底部行动召唤区与表单 */
    .bottom-cta-container {
      background: linear-gradient(135deg, #070F1E 0%, #0B192C 100%);
      border: 1px solid rgba(0, 229, 153, 0.3);
      border-radius: var(--radius-lg);
      padding: 56px 40px;
      text-align: center;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 50px rgba(7, 15, 30, 0.6);
    }

    .cta-h2-title {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #FFFFFF;
    }

    .cta-h2-title span {
      color: var(--accent-mint);
    }

    .cta-desc-sub {
      font-size: 15px;
      color: #CBD5E1;
      max-width: 680px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
    }

    .cta-form-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr auto;
      gap: 14px;
      max-width: 860px;
      margin: 0 auto 20px auto;
    }

    .cta-input-control {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      padding: 14px 16px;
      font-size: 14px;
      color: #FFFFFF;
      outline: none;
      width: 100%;
      transition: var(--transition);
    }

    .cta-input-control:focus {
      border-color: var(--accent-mint);
      background: rgba(255, 255, 255, 0.12);
    }

    .cta-input-control::placeholder {
      color: #94A3B8;
    }

    .btn-submit-cta {
      background-color: var(--accent-mint);
      color: var(--primary-dark);
      padding: 14px 26px;
      font-weight: 700;
      font-size: 14px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      white-space: nowrap;
      transition: var(--transition);
    }

    .btn-submit-cta:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 6px 20px rgba(0, 229, 153, 0.4);
    }

    .cta-security-note {
      font-size: 12px;
      color: #94A3B8;
    }

    /* 综合页脚 */
    .site-main-footer {
      background-color: var(--deep-midnight);
      color: #94A3B8;
      border-top: 1px solid var(--border-dark);
      padding: 64px 0 32px 0;
      font-size: 14px;
    }

    .footer-top-columns {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a:hover {
      color: var(--accent-mint);
    }

    .footer-contact-item {
      margin-bottom: 10px;
      line-height: 1.6;
    }

    .footer-contact-item strong {
      color: #FFFFFF;
    }

    .footer-bottom-trust {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .icp-cert-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #94A3B8;
    }

    .icp-cert-link:hover {
      color: #FFFFFF;
    }

    /* 响应式媒体查询适配 */
    @media (max-width: 1024px) {
      .hero-layout-grid {
        grid-template-columns: 1fr;
      }
      .pain-points-grid, .audiences-four-grid, .roadmap-timeline-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .six-cards-grid, .products-three-grid, .news-three-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-tabs-wrapper {
        grid-template-columns: 1fr;
      }
      .deep-tech-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .footer-top-columns {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-form-row {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-micro-bar {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links, .nav-action-wrapper {
        display: none;
      }
      .nav-links.mobile-opened {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        padding: 24px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-lg);
        gap: 16px;
      }
      .pain-points-grid, .six-cards-grid, .products-three-grid, .roadmap-timeline-grid, .audiences-four-grid, .news-three-grid, .testimonials-grid, .metrics-four-grid {
        grid-template-columns: 1fr;
      }
      .case-item-row, .case-item-row.reverse-layout {
        grid-template-columns: 1fr;
        direction: ltr;
      }
      .case-visual-box {
        height: 220px;
      }
      .metric-counter-unit {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding-bottom: 20px;
      }
      .metric-counter-unit:last-child {
        border-bottom: none;
      }
      .cta-form-row {
        grid-template-columns: 1fr;
      }
      .footer-top-columns {
        grid-template-columns: 1fr;
      }
      .footer-bottom-trust {
        flex-direction: column;
        align-items: flex-start;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .section-block {
        padding: 56px 0;
      }
    }