/* roulang page: index */
:root {
      --primary: #0F766E;
      --primary-dark: #0B534E;
      --primary-light: #14B8A6;
      --accent: #10B981;
      --warning: #F97316;
      --bg-dark: #091216;
      --bg-darker: #060C0F;
      --bg-card-dark: #0F1C23;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #F8FAFC;
      --text-light-muted: #94A3B8;
      --border-dark: rgba(16, 185, 129, 0.2);
      --border-light: #E2E8F0;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.15);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-light);
    }

    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部服务资质信息栏 */
    .top-bar {
      height: 38px;
      background-color: #070D10;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.8125rem;
      color: #8E9BAE;
      display: flex;
      align-items: center;
    }
    .top-bar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #A7F3D0;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    /* 主导航栏 */
    .site-header {
      height: 76px;
      background-color: rgba(9, 18, 22, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(16, 185, 129, 0.15);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #FFFFFF;
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .brand-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary-light), var(--primary));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      box-shadow: 0 0 14px rgba(20, 184, 166, 0.4);
    }
    .brand-logo-icon svg {
      width: 22px;
      height: 22px;
      fill: none;
      stroke: currentColor;
      stroke-width: 2.2;
    }
    .nav-links {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }
    .nav-links a {
      color: #CBD5E1;
      font-size: 0.9375rem;
      font-weight: 500;
      padding: 6px 2px;
      position: relative;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--accent);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--accent);
      transition: width 0.25s ease;
    }
    .nav-links a:hover::after, .nav-links a.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 9px 20px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 0.9375rem;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--warning);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
    }
    .btn-primary:hover {
      background-color: #EA580C;
      box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
      transform: translateY(-1px);
    }
    .btn-outline {
      background-color: transparent;
      border-color: rgba(16, 185, 129, 0.4);
      color: var(--accent);
    }
    .btn-outline:hover {
      background-color: rgba(16, 185, 129, 0.1);
      border-color: var(--accent);
      color: #FFFFFF;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: #CBD5E1;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* 板块通用规范 */
    .section {
      padding: 96px 0;
      position: relative;
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-light);
    }
    .section-dark-alt {
      background-color: var(--bg-darker);
      color: var(--text-light);
    }
    .section-light {
      background-color: var(--bg-light);
      color: var(--text-main);
    }
    .section-white {
      background-color: var(--bg-white);
      color: var(--text-main);
    }
    .section-header {
      margin-bottom: 56px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      margin-bottom: 14px;
      text-transform: uppercase;
    }
    .badge-accent {
      background-color: rgba(16, 185, 129, 0.15);
      color: var(--accent);
      border: 1px solid rgba(16, 185, 129, 0.3);
    }
    .badge-warning {
      background-color: rgba(249, 115, 22, 0.15);
      color: var(--warning);
      border: 1px solid rgba(249, 115, 22, 0.3);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.015em;
    }
    .section-desc {
      font-size: 1.0625rem;
      line-height: 1.8;
      color: var(--text-muted);
    }
    .section-dark .section-desc, .section-dark-alt .section-desc {
      color: var(--text-light-muted);
    }

    /* 板块 1：Hero 首屏（工业参数首屏 + 关键指标条 + 询盘入口） */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.12) 0%, transparent 60%),
                  linear-gradient(180deg, #091216 0%, #060B0E 100%);
      color: #FFFFFF;
      padding: 80px 0 60px;
      border-bottom: 1px solid var(--border-dark);
      position: relative;
      overflow: hidden;
    }
    .hero-bg-cover {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      width: 55%;
      background-image: url('/assets/images/3e777d94444c9d2a.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
      -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }
    .hero-title span {
      background: linear-gradient(90deg, #34D399, #10B981);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 1.0625rem;
      line-height: 1.8;
      color: #94A3B8;
      margin-bottom: 32px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.875rem;
      color: #CBD5E1;
    }
    .hero-trust-item svg {
      width: 18px;
      height: 18px;
      color: var(--accent);
      flex-shrink: 0;
    }

    /* 首屏控制台模拟卡片 */
    .console-stage {
      background: rgba(15, 28, 35, 0.85);
      border: 1px solid rgba(16, 185, 129, 0.25);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5), 0 0 25px rgba(16, 185, 129, 0.1);
      backdrop-filter: blur(10px);
    }
    .console-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }
    .console-title-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      font-weight: 600;
      color: #E2E8F0;
    }
    .console-status-tag {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: rgba(16, 185, 129, 0.2);
      color: #34D399;
      border-radius: 4px;
      font-family: monospace;
    }
    .match-table-mock {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .match-row-mock {
      display: grid;
      grid-template-columns: 80px 1fr 60px 1fr 100px;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.04);
      border-radius: var(--radius-sm);
      font-size: 0.8125rem;
      font-variant-numeric: tabular-nums;
    }
    .match-row-mock.conflict-resolved {
      border-left: 3px solid var(--accent);
      background: rgba(16, 185, 129, 0.06);
    }
    .team-badge {
      display: flex;
      align-items: center;
      gap: 6px;
      font-weight: 500;
    }
    .score-box {
      text-align: center;
      background: rgba(0,0,0,0.3);
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 700;
      color: #38BDF8;
    }

    /* 板块 2：工业参数首屏指标条 */
    .metric-strip-section {
      background: #0B161B;
      border-bottom: 1px solid var(--border-dark);
      padding: 36px 0;
    }
    .metric-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-strip-item {
      padding: 0 16px;
      border-left: 2px solid rgba(16, 185, 129, 0.3);
    }
    .metric-strip-item:first-child {
      border-left: none;
    }
    .metric-num {
      font-size: 2.25rem;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1.1;
      margin-bottom: 6px;
      font-variant-numeric: tabular-nums;
    }
    .metric-num span {
      font-size: 1.125rem;
      color: var(--accent);
      font-weight: 600;
      margin-left: 2px;
    }
    .metric-label {
      font-size: 0.875rem;
      color: #94A3B8;
      font-weight: 500;
    }

    /* 板块 3：服务亮点 / 架构三步拆解 */
    .arch-card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .arch-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
    }
    .arch-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: rgba(15, 118, 110, 0.3);
    }
    .arch-step-num {
      position: absolute;
      top: 24px;
      right: 28px;
      font-size: 2.5rem;
      font-weight: 800;
      color: #E2E8F0;
      font-variant-numeric: tabular-nums;
      line-height: 1;
    }
    .arch-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: rgba(15, 118, 110, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 22px;
    }
    .arch-icon-wrap svg {
      width: 26px;
      height: 26px;
      stroke-width: 2;
    }
    .arch-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .arch-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .arch-spec-list {
      margin-top: 20px;
      padding-top: 18px;
      border-top: 1px dashed var(--border-light);
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .arch-spec-list li {
      font-size: 0.8125rem;
      color: #334155;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .arch-spec-list li svg {
      width: 14px;
      height: 14px;
      color: var(--primary);
      flex-shrink: 0;
    }

    /* 板块 4：算法核心优势网格 (6张卡片) */
    .algo-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .algo-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.3s ease;
    }
    .algo-card:hover {
      border-color: var(--accent);
      box-shadow: 0 8px 24px -4px rgba(16, 185, 129, 0.2);
      transform: translateY(-3px);
    }
    .algo-card-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .algo-icon-box {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(16, 185, 129, 0.12);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .algo-icon-box svg {
      width: 22px;
      height: 22px;
    }
    .algo-card h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: #FFFFFF;
    }
    .algo-card p {
      font-size: 0.875rem;
      color: var(--text-light-muted);
      line-height: 1.7;
    }

    /* 板块 5：产品矩阵（3大版本定位卡片） */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: all 0.3s ease;
    }
    .matrix-card.featured {
      border-color: var(--primary);
      box-shadow: 0 12px 30px -5px rgba(15, 118, 110, 0.15);
      background: linear-gradient(180deg, #FFFFFF 0%, #F0FDFA 100%);
    }
    .matrix-card-tag {
      position: absolute;
      top: -12px;
      left: 30px;
      padding: 3px 12px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      border-radius: 9999px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .matrix-head {
      margin-bottom: 24px;
    }
    .matrix-head h3 {
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .matrix-head p {
      font-size: 0.875rem;
      color: var(--text-muted);
      min-height: 48px;
    }
    .matrix-specs {
      list-style: none;
      margin-bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .matrix-specs li {
      font-size: 0.875rem;
      color: #334155;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .matrix-specs li svg {
      width: 18px;
      height: 18px;
      color: var(--primary);
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* 板块 6：时段卡 / 调度理念区（深色大图对比） */
    .philosophy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .philosophy-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-dark);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .philosophy-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .comparison-strip {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 28px;
    }
    .compare-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 20px;
    }
    .compare-card.highlight {
      background: rgba(16, 185, 129, 0.08);
      border-color: rgba(16, 185, 129, 0.35);
    }
    .compare-title {
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: #94A3B8;
    }
    .compare-card.highlight .compare-title {
      color: var(--accent);
    }
    .compare-time {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
    }

    /* 板块 7：适用赛事场景 Tab 式网格 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .scenario-img-wrap {
      height: 170px;
      overflow: hidden;
      background: #0F172A;
    }
    .scenario-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scenario-card:hover .scenario-img-wrap img {
      transform: scale(1.05);
    }
    .scenario-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .scenario-body h3 {
      font-size: 1.0625rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .scenario-body p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex: 1;
    }

    /* 板块 8：专家团队与研发算法专家条 */
    .expert-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .expert-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      gap: 18px;
      align-items: center;
    }
    .expert-avatar {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      border: 2px solid var(--accent);
      object-fit: cover;
      flex-shrink: 0;
    }
    .expert-info h3 {
      font-size: 1.0625rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 4px;
    }
    .expert-role {
      font-size: 0.8125rem;
      color: var(--accent);
      margin-bottom: 6px;
      font-weight: 500;
    }
    .expert-desc {
      font-size: 0.8125rem;
      color: var(--text-light-muted);
      line-height: 1.5;
    }

    /* 板块 9：用户故事与实战复盘 */
    .case-story-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 36px;
      align-items: center;
    }
    .case-metrics-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }
    .case-metric-box {
      background: var(--bg-light);
      padding: 16px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary);
    }
    .case-metric-box .val {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .case-metric-box .label {
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .quote-box {
      position: relative;
      background: #F0FDFA;
      border: 1px solid rgba(15, 118, 110, 0.2);
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .quote-text {
      font-size: 0.9375rem;
      line-height: 1.8;
      color: #134E4A;
      font-style: italic;
      margin-bottom: 16px;
    }
    .quote-author {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .quote-org {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 板块 10：社会认同与裁判长评价墙 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .rating-stars {
      color: #F59E0B;
      font-size: 0.875rem;
      margin-bottom: 12px;
      display: flex;
      gap: 3px;
    }
    .testimonial-content {
      font-size: 0.875rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid var(--border-light);
    }
    .user-avatar-circle {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #E2E8F0;
      color: #475569;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.875rem;
    }
    .user-meta h4 {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .user-meta p {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 板块 11：资讯与排期洞察指南 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-img-wrap {
      height: 160px;
      overflow: hidden;
    }
    .news-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 0.75rem;
      color: #94A3B8;
      margin-bottom: 8px;
    }
    .news-body h3 {
      font-size: 1.0625rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .news-body p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-link {
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 12：异议拆解 FAQ 手风琴组件 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }
    .faq-item.active {
      border-color: var(--primary);
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-toggle-icon {
      width: 20px;
      height: 20px;
      color: #64748B;
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #F8FAFC;
      font-size: 0.875rem;
      color: #475569;
      line-height: 1.75;
    }
    .faq-item.active .faq-answer {
      max-height: 280px;
      padding: 16px 24px 20px;
      border-top: 1px solid var(--border-light);
    }

    /* 板块 13：保障体系与安全合规徽章条 */
    .compliance-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .compliance-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .compliance-icon {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .compliance-icon svg {
      width: 20px;
      height: 20px;
    }
    .compliance-text h4 {
      font-size: 0.875rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 2px;
    }
    .compliance-text p {
      font-size: 0.75rem;
      color: var(--text-light-muted);
    }

    /* 板块 14：预约排期演练线索表单 */
    .contact-card {
      background: linear-gradient(135deg, #091216 0%, #0F1C23 100%);
      border: 1px solid rgba(16, 185, 129, 0.3);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .contact-info h2 {
      font-size: 2rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .contact-info p {
      font-size: 0.9375rem;
      color: #94A3B8;
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .contact-channels {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #E2E8F0;
      font-size: 0.875rem;
    }
    .contact-item svg {
      width: 18px;
      height: 18px;
      color: var(--accent);
    }
    .booking-form {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 0.8125rem;
      font-weight: 600;
      color: #CBD5E1;
    }
    .form-control {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      background: rgba(9, 18, 22, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      font-size: 0.875rem;
      outline: none;
      transition: border-color 0.25s ease;
    }
    .form-control:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    /* 底部固定转化条 (移动端浮动保障) */
    .mobile-floating-bar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(9, 18, 22, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(16, 185, 129, 0.25);
      padding: 10px 16px;
      z-index: 99;
      box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
    }
    .floating-bar-content {
      display: flex;
      gap: 10px;
    }
    .floating-bar-content .btn {
      flex: 1;
      padding: 10px;
      font-size: 0.875rem;
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #070D10;
      color: #8E9BAE;
      padding: 64px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      font-size: 1.125rem;
      color: #FFFFFF;
      margin-bottom: 14px;
      font-weight: 700;
    }
    .footer-brand p {
      font-size: 0.8125rem;
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 16px;
    }
    .footer-col h4 {
      font-size: 0.9375rem;
      color: #E2E8F0;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #8E9BAE;
      font-size: 0.8125rem;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.75rem;
      color: #64748B;
    }
    .footer-meta {
      display: flex;
      gap: 16px;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .hero-bg-cover {
        width: 100%;
        opacity: 0.12;
      }
      .arch-card-grid, .algo-grid, .matrix-grid, .expert-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-strip-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 24px;
      }
      .compliance-bar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-card {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .site-header {
        height: 64px;
      }
      .nav-links, .nav-actions .btn {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .section {
        padding: 60px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .hero-title {
        font-size: 1.875rem;
      }
      .arch-card-grid, .algo-grid, .matrix-grid, .scenario-grid, .expert-grid, .testimonial-grid, .news-grid, .compliance-bar-grid {
        grid-template-columns: 1fr;
      }
      .philosophy-grid {
        grid-template-columns: 1fr;
      }
      .case-story-card {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .contact-card {
        padding: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .mobile-floating-bar {
        display: block;
      }
      body {
        padding-bottom: 60px;
      }
      .mobile-drawer {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        height: calc(100vh - 64px);
        background: #091216;
        display: none;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        z-index: 98;
        border-top: 1px solid var(--border-dark);
      }
      .mobile-drawer.open {
        display: flex;
      }
      .mobile-drawer a {
        font-size: 1.125rem;
        color: #E2E8F0;
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      }
    }