/* roulang page: index */
:root {
      --primary: #132238;
      --primary-dark: #0A111E;
      --accent: #FF6B2B;
      --accent-hover: #FF8E53;
      --tech-blue: #0066FF;
      --tech-cyan: #00B4D8;
      --success: #10B981;
      --bg-light: #F8FAFC;
      --card-bg: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 12px rgba(19, 34, 56, 0.04);
      --shadow-card: 0 12px 32px -8px rgba(19, 34, 56, 0.08);
      --shadow-glow: 0 16px 36px -6px rgba(255, 107, 43, 0.28);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      outline: none;
      border: none;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 徽章 Badge */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      font-size: 0.8125rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      line-height: 1;
      width: fit-content;
    }

    .badge-accent {
      background: rgba(255, 107, 43, 0.12);
      color: var(--accent);
      border: 1px solid rgba(255, 107, 43, 0.25);
    }

    .badge-blue {
      background: rgba(0, 102, 255, 0.1);
      color: var(--tech-blue);
      border: 1px solid rgba(0, 102, 255, 0.2);
    }

    .badge-dark {
      background: rgba(255, 255, 255, 0.1);
      color: #94A3B8;
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
    }

    /* 按钮 Button */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 0.9375rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent) 0%, #FF8E53 100%);
      color: #FFFFFF;
      box-shadow: var(--shadow-glow);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 40px -4px rgba(255, 107, 43, 0.38);
    }

    .btn-outline-white {
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.25);
      backdrop-filter: blur(8px);
    }

    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.18);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: #FFFFFF;
      color: var(--primary);
      border: 1px solid var(--border-color);
    }

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

    /* 板块通用头部 */
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px;
    }

    .section-header .section-title {
      font-size: 2.125rem;
      font-weight: 800;
      color: var(--primary);
      margin: 14px 0;
      line-height: 1.3;
      letter-spacing: -0.02em;
    }

    .section-header .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .section-header.text-white .section-title {
      color: #FFFFFF;
    }

    .section-header.text-white .section-desc {
      color: #94A3B8;
    }

    /* 顶部导航 Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }

    .top-bar {
      background: var(--primary-dark);
      color: #94A3B8;
      font-size: 0.75rem;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-links {
      display: flex;
      gap: 20px;
    }

    .top-bar-links a:hover {
      color: #FFFFFF;
    }

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

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

    .logo-icon {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--accent) 0%, var(--tech-blue) 100%);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-weight: 800;
      font-size: 1.25rem;
      box-shadow: 0 4px 12px rgba(255, 107, 43, 0.25);
    }

    .logo-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.01em;
    }

    .logo-tag {
      font-size: 0.6875rem;
      background: #F1F5F9;
      color: var(--text-muted);
      padding: 2px 6px;
      border-radius: 4px;
      margin-left: 4px;
    }

    .nav-links {
      display: flex;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      font-size: 0.9375rem;
      font-weight: 600;
      color: #334155;
      position: relative;
      padding: 6px 0;
    }

    .nav-links a:hover {
      color: var(--accent);
    }

    .nav-links a.active {
      color: var(--accent);
    }

    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--primary);
      cursor: pointer;
    }

    /* 板块 1：Hero Banner */
    .hero-section {
      position: relative;
      background-image: linear-gradient(rgba(10, 17, 30, 0.88), rgba(10, 17, 30, 0.94)), url('/assets/images/21b738f5f83dc058.png');
      background-size: cover;
      background-position: center;
      color: #FFFFFF;
      padding: 100px 0 120px;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 3.125rem;
      line-height: 1.2;
      font-weight: 900;
      margin: 20px 0 24px;
      letter-spacing: -0.02em;
    }

    .hero-content h1 .gradient-text {
      background: linear-gradient(135deg, var(--accent) 0%, #FFB088 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.125rem;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 36px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      align-items: center;
      margin-bottom: 40px;
    }

    .hero-badges-row {
      display: flex;
      gap: 20px;
      align-items: center;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 24px;
    }

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

    .hero-spec-item .num {
      font-size: 1.375rem;
      font-weight: 800;
      color: #FFFFFF;
    }

    .hero-spec-item .label {
      font-size: 0.75rem;
      color: #94A3B8;
    }

    .hero-dashboard-preview {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
      position: relative;
      backdrop-filter: blur(12px);
    }

    .hero-dashboard-preview img {
      border-radius: var(--radius-md);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    .hero-floating-card {
      position: absolute;
      bottom: -24px;
      left: -20px;
      background: rgba(19, 34, 56, 0.95);
      border: 1px solid rgba(255, 107, 43, 0.35);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-glow);
      display: flex;
      align-items: center;
      gap: 14px;
      backdrop-filter: blur(10px);
    }

    .floating-radar-icon {
      width: 44px;
      height: 44px;
      background: rgba(255, 107, 43, 0.2);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-weight: 800;
    }

    /* 板块 2：产品架构区 */
    .arch-section {
      padding: 100px 0;
      background: #FFFFFF;
    }

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

    .arch-img-box {
      position: relative;
    }

    .arch-img-box img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      width: 100%;
      height: 440px;
      object-fit: cover;
    }

    .arch-content h2 {
      font-size: 2.125rem;
      font-weight: 800;
      color: var(--primary);
      margin: 16px 0 20px;
      line-height: 1.3;
    }

    .arch-content p {
      color: var(--text-muted);
      margin-bottom: 24px;
      font-size: 1rem;
      line-height: 1.7;
    }

    .param-box {
      background: var(--bg-light);
      border-left: 4px solid var(--tech-blue);
      padding: 16px 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin-bottom: 30px;
    }

    .param-box strong {
      display: block;
      color: var(--primary);
      margin-bottom: 4px;
      font-size: 0.9375rem;
    }

    .param-box span {
      color: var(--text-muted);
      font-size: 0.875rem;
    }

    .role-tags {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    /* 板块 3：核心功能 6 卡片 */
    .matrix-section {
      padding: 100px 0;
      background: var(--bg-light);
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: #FFFFFF;
      padding: 36px 30px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-card);
      border-color: rgba(255, 107, 43, 0.4);
    }

    .feature-icon-bar {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(255, 107, 43, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .feature-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    .feature-metric-tag {
      margin-top: 18px;
      font-size: 0.75rem;
      color: var(--tech-blue);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 4：多维实训场景 */
    .scenarios-section {
      padding: 100px 0;
      background: #FFFFFF;
    }

    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

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

    .scenario-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-card);
    }

    .scenario-img-wrapper {
      position: relative;
      height: 190px;
      overflow: hidden;
    }

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

    .scenario-card:hover .scenario-img-wrapper img {
      transform: scale(1.06);
    }

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

    .scenario-body h3 {
      font-size: 1.125rem;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .scenario-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 5：热门软件版本矩阵 */
    .solutions-section {
      padding: 100px 0;
      background: var(--bg-light);
    }

    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }

    .solution-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .solution-card.featured {
      border: 2px solid var(--accent);
      transform: scale(1.03);
      box-shadow: 0 20px 40px -10px rgba(255, 107, 43, 0.2);
    }

    .featured-badge-top {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #FFFFFF;
      padding: 4px 16px;
      border-radius: var(--radius-pill);
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.05em;
    }

    .solution-card h3 {
      font-size: 1.375rem;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .solution-card .sol-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .sol-features-list {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
    }

    .sol-features-list li {
      font-size: 0.875rem;
      color: #475569;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .sol-features-list li::before {
      content: '✓';
      color: var(--success);
      font-weight: 800;
    }

    /* 板块 6：深色战术演练与系统运行截图区 */
    .dark-demo-section {
      padding: 100px 0;
      background: var(--primary-dark);
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
    }

    .demo-window {
      background: #1E293B;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
      overflow: hidden;
      max-width: 1080px;
      margin: 0 auto;
    }

    .window-header {
      background: #0F172A;
      padding: 12px 20px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

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

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

    .window-title {
      font-size: 0.75rem;
      color: #94A3B8;
      margin-left: 12px;
    }

    .demo-body {
      padding: 24px;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .demo-img-box img {
      border-radius: var(--radius-md);
      width: 100%;
      height: 380px;
      object-fit: cover;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .demo-side-info h4 {
      font-size: 1.25rem;
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .demo-side-info p {
      color: #94A3B8;
      font-size: 0.9375rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .data-pill-row {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .pill-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      display: flex;
      justify-content: space-between;
      font-size: 0.875rem;
    }

    .pill-item .val {
      color: var(--accent);
      font-weight: 700;
    }

    /* 板块 7：深色理念与专业背书区 */
    .philosophy-section {
      padding: 90px 0;
      background: #0D1626;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
    }

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

    .philosophy-left h3 {
      font-size: 1.875rem;
      margin-bottom: 20px;
      line-height: 1.35;
    }

    .philosophy-left p {
      color: #94A3B8;
      font-size: 0.9375rem;
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .endorsement-cards {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .endorse-item {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      display: flex;
      gap: 18px;
      align-items: center;
    }

    .endorse-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(0, 102, 255, 0.15);
      color: var(--tech-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.125rem;
      flex-shrink: 0;
    }

    .endorse-item h4 {
      font-size: 1rem;
      color: #FFFFFF;
      margin-bottom: 4px;
    }

    .endorse-item p {
      font-size: 0.8125rem;
      color: #94A3B8;
      line-height: 1.5;
    }

    /* 板块 8：用户真实实战故事区 */
    .cases-section {
      padding: 100px 0;
      background: #FFFFFF;
    }

    .case-zigzag-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
      margin-bottom: 70px;
    }

    .case-zigzag-item:last-child {
      margin-bottom: 0;
    }

    .case-zigzag-item.reverse {
      direction: rtl;
    }

    .case-zigzag-item.reverse .case-text-col {
      direction: ltr;
    }

    .case-img-col img {
      border-radius: var(--radius-lg);
      width: 100%;
      height: 380px;
      object-fit: cover;
      box-shadow: var(--shadow-card);
    }

    .case-text-col h3 {
      font-size: 1.75rem;
      color: var(--primary);
      margin: 12px 0 16px;
      line-height: 1.35;
    }

    .case-text-col p {
      color: var(--text-muted);
      font-size: 0.9375rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .quote-box {
      border-left: 3px solid var(--accent);
      padding: 12px 18px;
      background: #FFF7ED;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-size: 0.875rem;
      color: #9A3412;
      font-style: italic;
      margin-bottom: 24px;
    }

    .kpi-stat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .kpi-card {
      background: var(--bg-light);
      padding: 14px;
      border-radius: var(--radius-sm);
      text-align: center;
      border: 1px solid var(--border-color);
    }

    .kpi-card .kpi-num {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent);
    }

    .kpi-card .kpi-desc {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 板块 9：关键数据统计条 */
    .metrics-bar-section {
      background: linear-gradient(135deg, #132238 0%, #1E293B 100%);
      padding: 60px 0;
      color: #FFFFFF;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }

    .metrics-bar-item .metric-big-num {
      font-size: 2.75rem;
      font-weight: 900;
      background: linear-gradient(135deg, #FF6B2B 0%, #FFB088 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 8px;
      letter-spacing: -0.02em;
    }

    .metrics-bar-item .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 6px;
    }

    .metrics-bar-item .metric-sub {
      font-size: 0.8125rem;
      color: #94A3B8;
    }

    /* 板块 10：教练员评价墙 */
    .testimonials-section {
      padding: 100px 0;
      background: var(--bg-light);
    }

    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testimonial-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .quote-badge-top {
      font-size: 2.5rem;
      line-height: 1;
      color: #E2E8F0;
      margin-bottom: 10px;
      font-family: Georgia, serif;
    }

    .testimonial-card p {
      font-size: 0.9375rem;
      color: #475569;
      line-height: 1.7;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 18px;
    }

    .testimonial-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      font-size: 1.125rem;
    }

    .testimonial-info h4 {
      font-size: 0.9375rem;
      color: var(--primary);
    }

    .testimonial-info span {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 板块 11：行业资讯与内参 */
    .news-section {
      padding: 100px 0;
      background: #FFFFFF;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

    .news-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-card);
    }

    .news-thumb {
      height: 190px;
      overflow: hidden;
      position: relative;
    }

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

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

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

    .news-date {
      font-size: 0.75rem;
      color: #94A3B8;
      margin-bottom: 8px;
    }

    .news-body h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .news-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .news-modal-trigger {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--tech-blue);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .news-modal-trigger:hover {
      color: var(--accent);
    }

    /* 板块 12：套餐方案与投资回报对比 */
    .pricing-section {
      padding: 100px 0;
      background: var(--bg-light);
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }

    .pricing-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 44px 34px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.highlight {
      border: 2px solid var(--accent);
      transform: translateY(-8px);
      box-shadow: 0 20px 45px -10px rgba(255, 107, 43, 0.22);
    }

    .pricing-card h3 {
      font-size: 1.375rem;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .pricing-suit {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .price-value-row {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 28px;
      border-bottom: 1px solid #F1F5F9;
      padding-bottom: 24px;
    }

    .price-currency {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
    }

    .price-number {
      font-size: 2.25rem;
      font-weight: 900;
      color: var(--primary);
    }

    .price-unit {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    .pricing-features-list {
      list-style: none;
      margin-bottom: 34px;
      flex-grow: 1;
    }

    .pricing-features-list li {
      font-size: 0.875rem;
      color: #475569;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .pricing-features-list li .check-icon {
      color: var(--success);
      font-weight: 800;
    }

    /* 板块 13：常见问题手风琴 */
    .faq-section {
      padding: 100px 0;
      background: #FFFFFF;
    }

    .faq-container-grid {
      display: grid;
      grid-template-columns: 0.85fr 1.15fr;
      gap: 60px;
      align-items: flex-start;
    }

    .faq-side-box {
      background: var(--bg-light);
      padding: 36px 30px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
    }

    .faq-side-box h3 {
      font-size: 1.5rem;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .faq-side-box p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .accordion-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .accordion-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #FFFFFF;
      transition: var(--transition);
    }

    .accordion-item.active {
      border-color: var(--tech-blue);
      box-shadow: 0 8px 24px -6px rgba(0, 102, 255, 0.08);
    }

    .accordion-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .accordion-header h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary);
    }

    .accordion-icon {
      font-size: 1.125rem;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }

    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
      color: var(--tech-blue);
    }

    .accordion-content {
      padding: 0 24px 20px;
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.75;
      display: none;
    }

    .accordion-item.active .accordion-content {
      display: block;
    }

    /* 板块 14：全站转化冲刺区 */
    .cta-section {
      padding: 80px 0 110px;
      background: var(--bg-light);
    }

    .cta-banner-card {
      background: linear-gradient(135deg, #132238 0%, #1A365D 100%);
      border-radius: 28px;
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 50px;
      align-items: center;
      position: relative;
      overflow: hidden;
      box-shadow: 0 25px 60px -10px rgba(19, 34, 56, 0.25);
    }

    .cta-banner-card::after {
      content: '';
      position: absolute;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(255, 107, 43, 0.25) 0%, transparent 70%);
      top: -100px;
      right: -80px;
      pointer-events: none;
    }

    .cta-banner-content h2 {
      font-size: 2.25rem;
      font-weight: 900;
      margin: 16px 0 20px;
      line-height: 1.3;
    }

    .cta-banner-content p {
      font-size: 1rem;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .trust-check-row {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    .trust-check-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8125rem;
      color: #94A3B8;
    }

    .trust-check-item span {
      color: var(--success);
    }

    .cta-form-box {
      background: #FFFFFF;
      padding: 34px 28px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
    }

    .cta-form-box h3 {
      font-size: 1.25rem;
      color: var(--primary);
      margin-bottom: 6px;
      text-align: center;
    }

    .cta-form-box .sub-note {
      font-size: 0.8125rem;
      color: var(--text-muted);
      text-align: center;
      margin-bottom: 20px;
    }

    .form-group {
      margin-bottom: 14px;
    }

    .form-group label {
      display: block;
      font-size: 0.8125rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-group input, .form-group select {
      width: 100%;
      padding: 11px 14px;
      background: #F1F5F9;
      border: 1px solid #E2E8F0;
      border-radius: 10px;
      font-size: 0.875rem;
      color: var(--text-main);
      transition: var(--transition);
    }

    .form-group input:focus, .form-group select:focus {
      background: #FFFFFF;
      border-color: var(--tech-blue);
      box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
    }

    .btn-submit {
      width: 100%;
      margin-top: 10px;
      padding: 13px;
    }

    /* 模态框 Modal (行业资讯展开速览) */
    .news-modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(10, 17, 30, 0.7);
      backdrop-filter: blur(6px);
      z-index: 2000;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .news-modal-overlay.active {
      display: flex;
    }

    .news-modal-card {
      background: #FFFFFF;
      width: 100%;
      max-width: 680px;
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: var(--shadow-card);
      position: relative;
      max-height: 85vh;
      overflow-y: auto;
    }

    .news-modal-close {
      position: absolute;
      top: 20px;
      right: 20px;
      font-size: 1.5rem;
      background: none;
      border: none;
      cursor: pointer;
      color: var(--text-muted);
    }

    .news-modal-card h3 {
      font-size: 1.375rem;
      color: var(--primary);
      margin-bottom: 16px;
      line-height: 1.4;
    }

    .news-modal-body {
      font-size: 0.9375rem;
      color: #475569;
      line-height: 1.8;
    }

    /* 页脚 Footer */
    .site-footer {
      background: var(--primary-dark);
      color: #94A3B8;
      padding: 80px 0 36px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 50px;
      margin-bottom: 60px;
    }

    .footer-col-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 18px;
    }

    .footer-col-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 0.8125rem;
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-links-list a {
      color: #94A3B8;
      font-size: 0.875rem;
    }

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

    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 14px;
      line-height: 1.5;
    }

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

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.75rem;
    }

    .footer-meta-trust {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hero-dashboard-preview {
        max-width: 700px;
        margin: 0 auto;
      }
      .arch-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solutions-grid {
        grid-template-columns: 1fr;
      }
      .solution-card.featured {
        transform: none;
      }
      .demo-body {
        grid-template-columns: 1fr;
      }
      .case-zigzag-item, .case-zigzag-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
      }
      .metrics-bar-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .pricing-grid {
        grid-template-columns: 1fr;
      }
      .faq-container-grid {
        grid-template-columns: 1fr;
      }
      .cta-banner-card {
        grid-template-columns: 1fr;
        padding: 40px 24px;
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        gap: 18px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
      }
      .nav-links.active {
        display: flex;
      }
      .main-nav .btn-primary {
        display: none;
      }
      .hero-section {
        padding: 60px 0 80px;
      }
      .hero-content h1 {
        font-size: 2.125rem;
      }
      .hero-floating-card {
        position: relative;
        left: 0;
        bottom: 0;
        margin-top: 16px;
      }
      .matrix-grid {
        grid-template-columns: 1fr;
      }
      .scenarios-grid {
        grid-template-columns: 1fr;
      }
      .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .metrics-bar-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        text-align: center;
      }
    }