/* roulang page: index */
:root {
      --color-slate-900: #0A1926;
      --color-slate-800: #0D1520;
      --color-slate-700: #142334;
      --color-graphite: #1F2937;
      --color-text-main: #1F2937;
      --color-text-muted: #4B5563;
      --color-text-light: #9CA3AF;
      --color-accent-lime: #10B981;
      --color-accent-lime-hover: #059669;
      --color-accent-coral: #FF5A36;
      --color-bg-light: #F8FAFC;
      --color-bg-white: #FFFFFF;
      --color-border: #E2E8F0;
      --color-border-dark: rgba(255, 255, 255, 0.08);
      --font-family-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      --font-family-mono: "DIN Alternate", "Roboto Mono", Consolas, Menlo, monospace;
      --container-max-w: 1240px;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --shadow-sm: 0 2px 8px rgba(10, 25, 38, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(10, 25, 38, 0.08);
      --shadow-lg: 0 12px 32px -4px rgba(10, 25, 38, 0.12);
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* 基础重置 */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

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

    body {
      font-family: var(--font-family-base);
      color: var(--color-text-main);
      background-color: var(--color-bg-light);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font: inherit;
    }

    .container {
      width: 100%;
      max-width: var(--container-max-w);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部服务通栏 */
    .utility-bar {
      background-color: #060F17;
      color: #94A3B8;
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      padding: 6px 0;
    }
    .utility-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .utility-status {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background: var(--color-accent-lime);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--color-accent-lime);
    }
    .utility-actions {
      display: flex;
      gap: 20px;
    }
    .utility-link:hover {
      color: #FFFFFF;
    }

    /* 主导航 */
    .site-header {
      background-color: var(--color-bg-white);
      border-bottom: 1px solid var(--color-border);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 20px;
      color: var(--color-slate-900);
      letter-spacing: -0.3px;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--color-slate-900), var(--color-slate-700));
      border: 1px solid rgba(16, 185, 129, 0.4);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-accent-lime);
      font-weight: 800;
      font-size: 18px;
    }
    .nav-menu {
      display: flex;
      gap: 28px;
      list-style: none;
      align-items: center;
    }
    .nav-item a {
      font-size: 15px;
      font-weight: 500;
      color: #334155;
      padding: 6px 0;
      position: relative;
    }
    .nav-item a:hover, .nav-item.active a {
      color: var(--color-slate-900);
      font-weight: 600;
    }
    .nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--color-accent-lime);
      border-radius: 2px;
    }
    .nav-cta {
      background: var(--color-slate-900);
      color: #FFFFFF !important;
      padding: 10px 20px !important;
      border-radius: var(--radius-sm);
      font-weight: 600;
      display: inline-block;
      transition: var(--transition-smooth);
    }
    .nav-cta:hover {
      background: #000000;
      box-shadow: 0 4px 12px rgba(10, 25, 38, 0.2);
    }

    /* 移动端菜单控制 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--color-slate-900);
      margin: 5px 0;
      transition: var(--transition-smooth);
    }

    /* 通用组件 */
    .section-wrap {
      padding: 88px 0;
    }
    .section-dark {
      background-color: var(--color-slate-800);
      color: #F8FAFC;
    }
    .section-alt {
      background-color: #F1F5F9;
    }
    .section-header {
      margin-bottom: 52px;
    }
    .section-header.text-center {
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--color-accent-lime);
      background: rgba(16, 185, 129, 0.1);
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .section-dark .section-tag {
      background: rgba(16, 185, 129, 0.2);
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--color-slate-900);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 16px;
      color: var(--color-text-muted);
      max-width: 760px;
      margin: 0;
      line-height: 1.7;
    }
    .section-header.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;
      gap: 8px;
      padding: 13px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition-smooth);
      border: 1px solid transparent;
      text-align: center;
    }
    .btn-lime {
      background: var(--color-accent-lime);
      color: #042F2E;
    }
    .btn-lime:hover {
      background: #00E599;
      box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
      transform: translateY(-2px);
    }
    .btn-outline-dark {
      border-color: #334155;
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.05);
    }
    .btn-outline-dark:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #64748B;
    }

    /* 板块 1：首屏动力学大图斜切色块 Banner */
    .hero-banner {
      position: relative;
      background-color: var(--color-slate-900);
      background-image: linear-gradient(135deg, rgba(10, 25, 38, 0.95) 0%, rgba(13, 21, 32, 0.88) 100%), url('/assets/images/843ff1c0c9c3c17c.png');
      background-size: cover;
      background-position: center;
      padding: 110px 0 130px;
      overflow: hidden;
      clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .hero-badge-wrap {
      margin-bottom: 20px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(16, 185, 129, 0.15);
      border: 1px solid rgba(16, 185, 129, 0.3);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      color: #A7F3D0;
      font-weight: 500;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      color: #FFFFFF;
      margin-bottom: 22px;
      letter-spacing: -0.8px;
    }
    .hero-title span {
      color: var(--color-accent-lime);
    }
    .hero-desc {
      font-size: 16px;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 34px;
      max-width: 620px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-indicators {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .indicator-item .val {
      font-family: var(--font-family-mono);
      font-size: 26px;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.1;
    }
    .indicator-item .val span {
      font-size: 14px;
      color: var(--color-accent-lime);
      margin-left: 2px;
    }
    .indicator-item .lbl {
      font-size: 13px;
      color: #94A3B8;
      margin-top: 4px;
    }
    .hero-visual-card {
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    }
    .visual-stream-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      padding-bottom: 12px;
      margin-bottom: 18px;
      font-size: 13px;
      color: #94A3B8;
    }
    .visual-stream-header .stream-tag {
      color: var(--color-accent-lime);
      font-family: var(--font-family-mono);
      font-weight: 600;
    }
    .visual-screen-img {
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 16px;
      position: relative;
    }
    .visual-screen-img img {
      width: 100%;
      height: 250px;
      object-fit: cover;
    }
    .visual-metrics-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .v-metric-box {
      background: rgba(255, 255, 255, 0.04);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--color-accent-lime);
    }
    .v-metric-box:last-child {
      border-left-color: var(--color-accent-coral);
    }
    .v-metric-title {
      font-size: 12px;
      color: #94A3B8;
    }
    .v-metric-value {
      font-family: var(--font-family-mono);
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-top: 2px;
    }

    /* 板块 2：实时指标看板与动能解析矩阵 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-dashboard-card {
      background: var(--color-bg-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-smooth);
    }
    .metric-dashboard-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(16, 185, 129, 0.4);
    }
    .card-meta-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }
    .sensor-freq {
      font-family: var(--font-family-mono);
      font-size: 12px;
      font-weight: 600;
      color: var(--color-accent-lime);
      background: rgba(16, 185, 129, 0.08);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .card-dim-name {
      font-size: 14px;
      color: var(--color-text-muted);
      font-weight: 500;
    }
    .metric-stat-num {
      font-family: var(--font-family-mono);
      font-size: 32px;
      font-weight: 800;
      color: var(--color-slate-900);
      margin-bottom: 6px;
    }
    .metric-stat-unit {
      font-size: 14px;
      font-weight: 500;
      color: var(--color-text-light);
      margin-left: 4px;
    }
    .metric-brief {
      font-size: 13.5px;
      color: var(--color-text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
    }
    .mini-progress-bar {
      height: 4px;
      background: #E2E8F0;
      border-radius: 2px;
      overflow: hidden;
    }
    .mini-progress-fill {
      height: 100%;
      background: var(--color-accent-lime);
    }

    /* 板块 3：品牌与力学产品总览 */
    .overview-layout {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 56px;
      align-items: center;
    }
    .overview-media {
      position: relative;
    }
    .overview-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--color-border);
    }
    .overview-spec-float {
      position: absolute;
      bottom: -20px;
      right: -20px;
      background: var(--color-slate-900);
      color: #FFFFFF;
      padding: 18px 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(255,255,255,0.1);
      max-width: 260px;
    }
    .spec-float-num {
      font-family: var(--font-family-mono);
      font-size: 24px;
      font-weight: 700;
      color: var(--color-accent-lime);
    }
    .spec-float-text {
      font-size: 13px;
      color: #CBD5E1;
      margin-top: 4px;
    }
    .overview-desc-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 28px;
    }
    .desc-item-block {
      display: flex;
      gap: 16px;
    }
    .desc-icon {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background: rgba(16, 185, 129, 0.12);
      color: var(--color-accent-lime);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .desc-item-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--color-slate-900);
      margin-bottom: 4px;
    }
    .desc-item-text {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.6;
    }

    /* 板块 4：平台核心技术优势区 */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .adv-card {
      background: var(--color-bg-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: var(--transition-smooth);
      position: relative;
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-accent-lime);
    }
    .adv-card-idx {
      font-family: var(--font-family-mono);
      font-size: 16px;
      font-weight: 700;
      color: var(--color-accent-lime);
      margin-bottom: 16px;
    }
    .adv-card-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--color-slate-900);
      margin-bottom: 12px;
    }
    .adv-card-desc {
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.65;
    }

    /* 板块 5：热门套件与力学分析模块 */
    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .suite-card {
      background: var(--color-bg-white);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
    }
    .suite-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .suite-thumb {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .suite-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .suite-card:hover .suite-thumb img {
      transform: scale(1.05);
    }
    .suite-tag-pill {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(10, 25, 38, 0.85);
      backdrop-filter: blur(4px);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid rgba(255,255,255,0.1);
    }
    .suite-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .suite-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--color-slate-900);
      margin-bottom: 10px;
    }
    .suite-desc {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .suite-features {
      list-style: none;
      margin-top: auto;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 13.5px;
      color: #334155;
    }
    .suite-features li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .suite-features li::before {
      content: "•";
      color: var(--color-accent-lime);
      font-size: 18px;
    }

    /* 板块 6：深色模式科研理念与数据对比实验室 */
    .comparison-table-wrap {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--color-border-dark);
      border-radius: var(--radius-md);
      overflow-x: auto;
    }
    .lab-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 15px;
    }
    .lab-table th, .lab-table td {
      padding: 20px 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .lab-table th {
      background: rgba(255, 255, 255, 0.02);
      font-weight: 600;
      color: #CBD5E1;
      font-size: 14px;
      letter-spacing: 0.5px;
    }
    .lab-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-cell {
      color: var(--color-accent-lime);
      font-weight: 600;
    }
    .dim-cell {
      color: #94A3B8;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 12px;
      font-family: var(--font-family-mono);
    }
    .status-badge.optimized {
      background: rgba(16, 185, 129, 0.15);
      color: #34D399;
      border: 1px solid rgba(16, 185, 129, 0.3);
    }
    .status-badge.limited {
      background: rgba(239, 68, 68, 0.15);
      color: #F87171;
      border: 1px solid rgba(239, 68, 68, 0.3);
    }

    /* 板块 7：典型应用场景与用户故事 */
    .stories-container {
      display: flex;
      flex-direction: column;
      gap: 36px;
    }
    .story-card-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: var(--color-bg-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      align-items: center;
    }
    .story-card-row.reverse {
      grid-template-columns: 1fr 1fr;
      direction: rtl;
    }
    .story-card-row.reverse > * {
      direction: ltr;
    }
    .story-visual {
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 280px;
    }
    .story-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-content {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-subtitle {
      font-size: 13px;
      font-weight: 700;
      color: var(--color-accent-lime);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .story-heading {
      font-size: 24px;
      font-weight: 700;
      color: var(--color-slate-900);
      margin-bottom: 14px;
      line-height: 1.35;
    }
    .story-paragraph {
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .story-data-badges {
      display: flex;
      gap: 16px;
    }
    .story-data-item {
      background: #F8FAFC;
      border: 1px solid var(--color-border);
      padding: 8px 14px;
      border-radius: 6px;
    }
    .story-data-item .d-val {
      font-family: var(--font-family-mono);
      font-size: 16px;
      font-weight: 700;
      color: var(--color-slate-900);
    }
    .story-data-item .d-lbl {
      font-size: 12px;
      color: var(--color-text-muted);
    }

    /* 板块 8：核心技术与性能关键数据统计条 */
    .stats-bar-section {
      background: #060F17;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 64px 0;
    }
    .stats-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .stat-bar-block {
      position: relative;
    }
    .stat-bar-block:not(:last-child)::after {
      content: "";
      position: absolute;
      right: -16px;
      top: 20%;
      height: 60%;
      width: 1px;
      background: rgba(255, 255, 255, 0.1);
    }
    .stat-huge-number {
      font-family: var(--font-family-mono);
      font-size: 46px;
      font-weight: 800;
      color: var(--color-accent-lime);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .stat-label-title {
      font-size: 16px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 4px;
    }
    .stat-subtext {
      font-size: 13px;
      color: #94A3B8;
    }

    /* 板块 9：行业专家与教练员实测反馈 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: var(--color-bg-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .review-quote-mark {
      font-family: serif;
      font-size: 48px;
      line-height: 1;
      color: rgba(16, 185, 129, 0.25);
      position: absolute;
      top: 20px;
      right: 24px;
    }
    .review-text {
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
      position: relative;
      z-index: 1;
    }
    .review-user-info {
      margin-top: auto;
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .user-avatar-dot {
      width: 44px;
      height: 44px;
      background: var(--color-slate-700);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
      border: 2px solid rgba(16, 185, 129, 0.4);
    }
    .user-details h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--color-slate-900);
    }
    .user-details p {
      font-size: 13px;
      color: var(--color-text-muted);
    }

    /* 板块 10：生物力学研究动态与前沿简讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--color-bg-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-thumb {
      height: 180px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
      font-size: 12px;
    }
    .news-category {
      color: var(--color-accent-lime);
      background: rgba(16, 185, 129, 0.08);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .news-date {
      color: var(--color-text-light);
    }
    .news-headline {
      font-size: 17px;
      font-weight: 700;
      color: var(--color-slate-900);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-summary {
      font-size: 13.5px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .news-link-action {
      margin-top: auto;
      font-size: 13.5px;
      font-weight: 600;
      color: var(--color-slate-900);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .news-link-action:hover {
      color: var(--color-accent-lime);
    }

    /* 板块 11：检测与选型常见问题（FAQ 手风琴） */
    .faq-accordion-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .accordion-item {
      background: var(--color-bg-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition-smooth);
    }
    .accordion-header {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: none;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16.5px;
      font-weight: 600;
      color: var(--color-slate-900);
    }
    .accordion-header:hover {
      color: var(--color-accent-lime-hover);
    }
    .accordion-icon {
      font-size: 18px;
      line-height: 1;
      color: var(--color-text-light);
      transition: transform 0.25s ease;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(45deg);
      color: var(--color-accent-lime);
    }
    .accordion-body {
      padding: 0 24px 20px;
      display: none;
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.7;
      border-top: 1px solid #F8FAFC;
    }
    .accordion-item.active .accordion-body {
      display: block;
    }

    /* 板块 12：预约演示与技术方案获取（CTA 表单） */
    .cta-card-panel {
      background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-slate-800) 100%);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: var(--shadow-lg);
      max-width: 1040px;
      margin: 0 auto;
    }
    .cta-inner-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-info h2 {
      font-size: 32px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-info p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-assurances {
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 13.5px;
      color: #94A3B8;
    }
    .cta-assurances span {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cta-assurances span::before {
      content: "✓";
      color: var(--color-accent-lime);
      font-weight: bold;
    }
    .booking-form-wrap {
      background: rgba(255, 255, 255, 0.04);
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .form-group-field {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 500;
      color: #E2E8F0;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 11px 14px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      font-size: 14px;
      transition: var(--transition-smooth);
    }
    .form-control:focus {
      outline: none;
      border-color: var(--color-accent-lime);
      background: rgba(255, 255, 255, 0.1);
    }
    .form-control option {
      background: var(--color-slate-900);
      color: #FFFFFF;
    }
    .form-submit-btn {
      width: 100%;
      margin-top: 10px;
      background: var(--color-accent-lime);
      color: #042F2E;
      font-weight: 700;
      padding: 13px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .form-submit-btn:hover {
      background: #00E599;
      box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
    }
    .form-notice {
      font-size: 12px;
      color: #94A3B8;
      text-align: center;
      margin-top: 12px;
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #050B11;
      color: #94A3B8;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 72px 0 28px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 19px;
      margin-bottom: 14px;
      font-weight: 700;
    }
    .footer-brand p {
      font-size: 13.5px;
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 18px;
    }
    .footer-col-title {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 18px;
      position: relative;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13.5px;
    }
    .footer-links a:hover {
      color: var(--color-accent-lime);
    }
    .footer-contact-info {
      font-size: 13.5px;
      line-height: 1.8;
      color: #94A3B8;
    }
    .footer-bottom-line {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12.5px;
      color: #475569;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .overview-layout {
        grid-template-columns: 1fr;
      }
      .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .suites-grid {
        grid-template-columns: 1fr;
      }
      .story-card-row, .story-card-row.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
      }
      .stats-bar-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 36px;
      }
      .stat-bar-block:not(:last-child)::after {
        display: none;
      }
      .reviews-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .cta-inner-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .utility-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        gap: 16px;
        align-items: flex-start;
      }
      .nav-menu.active {
        display: flex;
      }
      .hero-title {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .metrics-grid, .advantage-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-line {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .cta-card-panel {
        padding: 32px 20px;
      }
      .hero-banner {
        padding: 70px 0 90px;
        clip-path: polygon(0 0, 100% 0, 100% 98%, 0 100%);
      }
    }