/* roulang page: index */
:root {
      --bg-deep: #090B10;
      --bg-surface: #121620;
      --bg-surface-elevated: #181E2C;
      --color-primary: #00F59B;
      --color-primary-dark: #00C87E;
      --color-accent: #7928CA;
      --color-accent-light: #9F55FF;
      --text-bright: #F8FAFC;
      --text-main: #CBD5E1;
      --text-muted: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-glow: rgba(0, 245, 155, 0.2);
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 10px;
      --glow-shadow: 0 0 24px rgba(0, 245, 155, 0.22);
      --accent-glow: 0 0 24px rgba(121, 40, 202, 0.28);
      --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      background-color: var(--bg-deep);
      color: var(--text-main);
      font-family: var(--font-stack);
      font-size: 15px;
      line-height: 1.7;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

    body {
      background-color: var(--bg-deep);
      overflow-x: hidden;
      min-width: 320px;
    }

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

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

    input, textarea, select, button {
      font-family: inherit;
      font-size: 14px;
      outline: none;
    }

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

    /* 顶部系统条与导航 */
    .top-system-bar {
      background: #06070B;
      border-bottom: 1px solid var(--border-color);
      font-size: 12px;
      color: var(--text-muted);
      padding: 6px 0;
    }

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

    .top-system-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--color-primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--color-primary);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { opacity: 0.4; transform: scale(0.9); }
      50% { opacity: 1; transform: scale(1.1); }
      100% { opacity: 0.4; transform: scale(0.9); }
    }

    .top-system-contacts {
      display: flex;
      gap: 20px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(9, 11, 16, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 245, 155, 0.12);
    }

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

    .brand-logo {
      display:flex;
      align-items: center;
      gap: 12px;
      font-size: 19px;
      font-weight: 700;
      color: var(--text-bright);
      letter-spacing: -0.3px;
    }

    .brand-icon-box {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, rgba(0, 245, 155, 0.2) 0%, rgba(121, 40, 202, 0.3) 100%);
      border: 1px solid var(--color-primary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 245, 155, 0.3);
    }

    .brand-icon-box svg {
      width: 20px;
      height: 20px;
      fill: var(--color-primary);
    }

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

    .nav-item a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 4px;
      position: relative;
    }

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

    .nav-item a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--color-primary);
      box-shadow: 0 0 8px var(--color-primary);
    }

    .nav-cta {
      background: var(--color-primary);
      color: #05160E;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all var(--transition-fast);
      box-shadow: var(--glow-shadow);
      border: none;
      cursor: pointer;
    }

    .nav-cta:hover {
      background: #39ffb2;
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 245, 155, 0.45);
      color: #000;
    }

    .mobile-burger {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-burger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-bright);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 通用板块与排版 */
    section {
      padding: 96px 0;
      position: relative;
    }

    .section-alt {
      background: #0E1118;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 60px auto;
    }

    .badge-sub {
      display: inline-block;
      text-transform: uppercase;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 2px;
      color: var(--color-primary);
      background: rgba(0, 245, 155, 0.08);
      border: 1px solid rgba(0, 245, 155, 0.2);
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 14px;
    }

    .badge-sub.accent {
      color: #BF82FF;
      background: rgba(121, 40, 202, 0.12);
      border-color: rgba(121, 40, 202, 0.3);
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-bright);
      letter-spacing: -0.5px;
      line-height: 1.3;
      margin-bottom: 18px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 720px;
      margin: 0 auto;
    }

    /* 板块 1: Hero */
    .hero-section {
      min-height: calc(100vh - 105px);
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      padding: 60px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, rgba(121, 40, 202, 0.2) 0%, transparent 50%),
                  radial-gradient(circle at 20% 80%, rgba(0, 245, 155, 0.12) 0%, transparent 45%),
                  #090B10;
    }

    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/27247697908f183e.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      mix-blend-mode: luminosity;
      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: 44px;
      font-weight: 800;
      color: var(--text-bright);
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-title .gradient-text {
      background: linear-gradient(120deg, #00F59B 0%, #4EAAFF 50%, #9F55FF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-intro {
      font-size: 16px;
      color: var(--text-main);
      line-height: 1.8;
      margin-bottom: 36px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-main {
      background: var(--color-primary);
      color: #05160E;
      font-weight: 700;
      font-size: 15px;
      padding: 14px 32px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all var(--transition-fast);
      box-shadow: var(--glow-shadow);
      border: 1px solid var(--color-primary);
    }

    .btn-main:hover {
      background: #39ffb2;
      box-shadow: 0 0 30px rgba(0, 245, 155, 0.5);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-bright);
      font-weight: 600;
      font-size: 15px;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-color);
      transition: all var(--transition-fast);
    }

    .btn-outline:hover {
      border-color: rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.08);
      color: #FFF;
    }

    .hero-badges-row {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .hero-badges-row span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .hero-badges-row span::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-primary);
    }

    .hero-terminal-card {
      background: var(--bg-surface);
      border: 1px solid rgba(0, 245, 155, 0.25);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 245, 155, 0.1);
      position: relative;
    }

    .terminal-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }

    .terminal-dots {
      display: flex;
      gap: 6px;
    }

    .terminal-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #2D3748;
    }

    .terminal-dots span:nth-child(1) { background: #FF5F56; }
    .terminal-dots span:nth-child(2) { background: #FFBD2E; }
    .terminal-dots span:nth-child(3) { background: #27C93F; }

    .terminal-status-text {
      font-size: 12px;
      font-family: monospace;
      color: var(--color-primary);
    }

    .terminal-stream {
      font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
      font-size: 13px;
      line-height: 1.7;
      color: #A0AEC0;
    }

    .stream-line {
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
    }

    .stream-key {
      color: #718096;
    }

    .stream-val {
      color: var(--text-bright);
      font-weight: 600;
    }

    .stream-val.green {
      color: var(--color-primary);
    }

    .stream-val.purple {
      color: #B794F4;
    }

    /* 板块 2: Dashboard */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      overflow: hidden;
      transition: all var(--transition-fast);
    }

    .metric-card:hover {
      border-color: var(--border-glow);
      transform: translateY(-4px);
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
    }

    .metric-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 3px;
      height: 100%;
      background: var(--color-primary);
    }

    .metric-num {
      font-size: 36px;
      font-weight: 800;
      color: var(--text-bright);
      font-family: "Helvetica Neue", Arial, sans-serif;
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .metric-num span {
      font-size: 18px;
      color: var(--color-primary);
      margin-left: 2px;
    }

    .metric-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-bright);
      margin-bottom: 6px;
    }

    .metric-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .compliance-bar {
      background: rgba(18, 22, 32, 0.6);
      border: 1px dashed rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 16px 24px;
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .compliance-item {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .compliance-item svg {
      width: 18px;
      height: 18px;
      fill: var(--color-primary);
    }

    /* 板块 3: Intro 底层产品技术 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .intro-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(121, 40, 202, 0.3);
      box-shadow: var(--accent-glow);
    }

    .intro-img {
      width: 100%;
      height: 420px;
      object-fit: cover;
      filter: saturate(1.1) brightness(0.85);
    }

    .intro-feature-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 24px;
    }

    .feature-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .feature-icon-badge {
      width: 36px;
      height: 36px;
      background: rgba(0, 245, 155, 0.1);
      border: 1px solid rgba(0, 245, 155, 0.3);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .feature-icon-badge svg {
      width: 18px;
      height: 18px;
      fill: var(--color-primary);
    }

    .feature-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 4px;
    }

    .feature-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 4: Services 服务矩阵 (3x2) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all var(--transition-fast);
      position: relative;
    }

    .service-card:hover {
      border-color: var(--color-primary);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 245, 155, 0.2);
    }

    .service-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--color-accent-light);
      background: rgba(121, 40, 202, 0.15);
      border: 1px solid rgba(121, 40, 202, 0.3);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 16px;
    }

    .service-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 12px;
    }

    .service-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 5: Products 热门产品深度展示 (3大卡片) */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .product-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all var(--transition-fast);
    }

    .product-box:hover {
      border-color: rgba(121, 40, 202, 0.6);
      transform: translateY(-5px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), var(--accent-glow);
    }

    .product-box-img-wrap {
      height: 180px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

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

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

    .product-badge-ver {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(9, 11, 16, 0.85);
      border: 1px solid var(--color-primary);
      color: var(--color-primary);
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      font-family: monospace;
    }

    .product-content {
      padding: 26px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .product-tech-stack {
      font-size: 12px;
      color: #A0AEC0;
      font-family: monospace;
      margin-bottom: 10px;
    }

    .product-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 12px;
    }

    .product-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .product-spec-list {
      list-style: none;
      margin-bottom: 24px;
      flex-grow: 1;
    }

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

    .product-spec-list li::before {
      content: '✓';
      color: var(--color-primary);
      font-weight: bold;
    }

    .btn-card-action {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-color);
      color: var(--text-bright);
      text-align: center;
      padding: 10px;
      border-radius: var(--radius-md);
      font-size: 13px;
      font-weight: 600;
      display: block;
      transition: all var(--transition-fast);
    }

    .btn-card-action:hover {
      background: var(--color-primary);
      color: #05160E;
      border-color: var(--color-primary);
    }

    /* 板块 6: Comparison 架构结果对比 */
    .comparison-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .comp-col {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    .comp-col.legacy {
      opacity: 0.85;
      border-color: rgba(255, 255, 255, 0.06);
    }

    .comp-col.modern {
      background: linear-gradient(180deg, #161D2B 0%, #121620 100%);
      border: 1px solid rgba(0, 245, 155, 0.4);
      box-shadow: 0 0 35px rgba(0, 245, 155, 0.12);
      position: relative;
    }

    .comp-header-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .comp-col.legacy .comp-header-badge {
      background: #2D3748;
      color: #A0AEC0;
    }

    .comp-col.modern .comp-header-badge {
      background: rgba(0, 245, 155, 0.15);
      color: var(--color-primary);
      border: 1px solid rgba(0, 245, 155, 0.3);
    }

    .comp-col h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 24px;
    }

    .comp-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .comp-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      line-height: 1.6;
    }

    .comp-list .icon {
      font-weight: bold;
      margin-top: 1px;
    }

    .comp-col.legacy .icon {
      color: #E53E3E;
    }

    .comp-col.modern .icon {
      color: var(--color-primary);
    }

    /* 板块 7: Cases 案例剖析 */
    .case-container {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
    }

    .case-visual {
      position: relative;
      height: 100%;
      min-height: 380px;
    }

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

    .case-info {
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .case-metrics-strip {
      display: flex;
      gap: 24px;
      margin: 24px 0;
      padding: 16px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .case-metric-cell h4 {
      font-size: 24px;
      color: var(--color-primary);
      font-weight: 700;
      line-height: 1.1;
    }

    .case-metric-cell p {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 板块 8: Milestones 里程碑时间线 */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }

    .timeline-wrap::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: rgba(255, 255, 255, 0.1);
      transform: translateX(-50%);
    }

    .timeline-item {
      position: relative;
      margin-bottom: 40px;
      width: 50%;
      padding-right: 40px;
    }

    .timeline-item.right {
      margin-left: auto;
      padding-right: 0;
      padding-left: 40px;
    }

    .timeline-dot {
      position: absolute;
      top: 10px;
      right: -7px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--bg-deep);
      border: 3px solid var(--color-primary);
      box-shadow: 0 0 10px var(--color-primary);
    }

    .timeline-item.right .timeline-dot {
      right: auto;
      left: -7px;
    }

    .timeline-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: all var(--transition-fast);
    }

    .timeline-box:hover {
      border-color: var(--border-glow);
    }

    .timeline-phase {
      font-size: 12px;
      font-family: monospace;
      color: var(--color-primary);
      margin-bottom: 6px;
    }

    .timeline-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 8px;
    }

    .timeline-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 9: Stories 行业实战故事 */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .story-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .story-quote {
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-main);
      margin-bottom: 24px;
      position: relative;
    }

    .story-user {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }

    .story-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #252D3F;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--color-primary);
      border: 1px solid rgba(0, 245, 155, 0.3);
    }

    .story-meta h5 {
      font-size: 14px;
      color: var(--text-bright);
      font-weight: 600;
    }

    .story-meta p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块 10: Security 关键安全风控 */
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .security-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      text-align: center;
      transition: all var(--transition-fast);
    }

    .security-card:hover {
      border-color: rgba(121, 40, 202, 0.5);
      transform: translateY(-3px);
    }

    .security-icon-circle {
      width: 52px;
      height: 52px;
      margin: 0 auto 18px auto;
      background: rgba(121, 40, 202, 0.15);
      border: 1px solid rgba(121, 40, 202, 0.35);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 16px rgba(121, 40, 202, 0.2);
    }

    .security-icon-circle svg {
      width: 24px;
      height: 24px;
      fill: #BF82FF;
    }

    .security-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 8px;
    }

    .security-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 11: Testimonials 客户信誉背书 */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testi-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testi-stars {
      color: #FFBD2E;
      font-size: 14px;
      letter-spacing: 2px;
      margin-bottom: 14px;
    }

    .testi-body {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .testi-author {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-bright);
    }

    .testi-tag {
      font-size: 12px;
      color: var(--color-primary);
    }

    /* 板块 12: News 竞技资讯沙龙 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 36px;
    }

    .news-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all var(--transition-fast);
    }

    .news-card:hover {
      border-color: rgba(0, 245, 155, 0.4);
      transform: translateY(-4px);
    }

    .news-img-box {
      height: 160px;
      overflow: hidden;
      position: relative;
    }

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

    .news-card:hover .news-img-box img {
      transform: scale(1.06);
    }

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

    .news-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
    }

    .news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-bright);
      line-height: 1.45;
      margin-bottom: 10px;
    }

    .news-abstract {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .news-bottom-action {
      text-align: center;
    }

    /* 板块 13: FAQ 手风琴折叠 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color var(--transition-fast);
    }

    .faq-item:hover {
      border-color: rgba(0, 245, 155, 0.3);
    }

    .faq-header {
      width: 100%;
      padding: 20px 24px;
      background: none;
      border: none;
      color: var(--text-bright);
      font-size: 16px;
      font-weight: 600;
      text-align: left;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-toggle-icon {
      font-size: 20px;
      color: var(--color-primary);
      transition: transform 0.25s ease;
      line-height: 1;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.75;
      background: rgba(0, 0, 0, 0.15);
    }

    .faq-item.active .faq-body {
      max-height: 240px;
      padding: 0 24px 22px 24px;
    }

    /* 板块 14: Contact 需求评估表单 */
    .contact-card-box {
      max-width: 840px;
      margin: 0 auto;
      background: var(--bg-surface);
      border: 1px solid rgba(0, 245, 155, 0.3);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), var(--glow-shadow);
      position: relative;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group.full {
      grid-column: span 2;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-bright);
    }

    .form-control {
      background: #0B0E14;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      color: var(--text-bright);
      font-size: 14px;
      transition: border-color var(--transition-fast);
    }

    .form-control:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 10px rgba(0, 245, 155, 0.2);
    }

    .form-submit-row {
      text-align: center;
      margin-top: 10px;
    }

    .form-notice {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 14px;
      text-align: center;
    }

    /* 页脚与合规信誉 */
    .site-footer {
      background: #06070A;
      border-top: 1px solid var(--border-color);
      padding: 70px 0 30px 0;
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-brand-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-brand-desc {
      font-size: 13px;
      line-height: 1.8;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: 18px;
      position: relative;
    }

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

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

    .footer-contact-info p {
      margin-bottom: 8px;
      line-height: 1.6;
    }

    .footer-bottom-bar {
      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: 14px;
      font-size: 12px;
    }

    .footer-cert-tags {
      display: flex;
      gap: 14px;
    }

    .cert-tag-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 11px;
      color: #94A3B8;
    }

    /* 移动端适配响应式 */
    @media (max-width: 1024px) {
      .metric-grid,
      .security-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid,
      .products-grid,
      .news-grid,
      .testi-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-system-contacts {
        display: none;
      }
      .site-header {
        position: relative;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #0B0F17;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        border-bottom: 1px solid var(--border-glow);
        gap: 18px;
      }
      .nav-menu.show {
        display: flex;
      }
      .mobile-burger {
        display: block;
      }
      .nav-cta {
        display: none;
      }
      .hero-grid,
      .intro-grid,
      .comparison-wrapper,
      .case-container,
      .story-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full {
        grid-column: span 1;
      }
      .services-grid,
      .products-grid,
      .news-grid,
      .testi-grid,
      .metric-grid,
      .security-grid {
        grid-template-columns: 1fr;
      }
      .timeline-wrap::before {
        left: 20px;
      }
      .timeline-item,
      .timeline-item.right {
        width: 100%;
        padding-left: 50px;
        padding-right: 0;
      }
      .timeline-dot,
      .timeline-item.right .timeline-dot {
        left: 13px;
        right: auto;
      }
      .hero-title {
        font-size: 30px;
      }
      .section-title {
        font-size: 24px;
      }
      section {
        padding: 60px 0;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        align-items: flex-start;
      }
    }