/* roulang page: index */
:root {
      --bg-main: #0A0D14;
      --bg-panel: #121722;
      --border-color: #1E293B;
      --accent-amber: #F59E0B;
    }
    body {
      background-color: var(--bg-main);
      color: #F8FAFC;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      box-sizing: border-box;
      overflow-x: hidden;
    }
    .hud-grid-pattern {
      background-image: radial-gradient(rgba(245, 158, 11, 0.08) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .hud-cut-border {
      border: 1px solid #1E293B;
      position: relative;
    }
    .hud-cut-border::after {
      content: '';
      position: absolute;
      bottom: -1px;
      right: -1px;
      width: 6px;
      height: 6px;
      background-color: var(--accent-amber);
    }
    .glow-amber-hover:hover {
      border-color: rgba(245, 158, 11, 0.5);
      box-shadow: 0 0 20px -5px rgba(245, 158, 11, 0.2);
    }
    .active-nav-border {
      border-left: 3px solid #F59E0B;
      background: linear-gradient(90deg, rgba(245, 158, 11, 0.12) 0%, transparent 100%);
    }

/* roulang page: category2 */
:root {
      --bg-main: #0A0D14;
      --bg-panel: #121722;
      --border-color: #1E293B;
      --accent-amber: #F59E0B;
    }
    body {
      background-color: var(--bg-main);
      color: #F8FAFC;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      box-sizing: border-box;
      overflow-x: hidden;
    }
    .hud-grid-pattern {
      background-image: radial-gradient(rgba(245, 158, 11, 0.08) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .hud-cut-border {
      border: 1px solid #1E293B;
      position: relative;
    }
    .hud-cut-border::after {
      content: '';
      position: absolute;
      bottom: -1px;
      right: -1px;
      width: 6px;
      height: 6px;
      background-color: var(--accent-amber);
    }
    .active-nav-border {
      border-left: 3px solid #F59E0B;
      background: linear-gradient(90deg, rgba(245, 158, 11, 0.12) 0%, transparent 100%);
    }
    .filter-btn-active {
      background-color: rgba(245, 158, 11, 0.15);
      border-color: #F59E0B;
      color: #F59E0B;
    }

/* roulang page: category1 */
:root {
      --bg-main: #0A0D14;
      --bg-panel: #121722;
      --border-color: #1E293B;
      --accent-amber: #F59E0B;
    }
    body {
      background-color: var(--bg-main);
      color: #F8FAFC;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      box-sizing: border-box;
      overflow-x: hidden;
    }
    .hud-grid-pattern {
      background-image: radial-gradient(rgba(245, 158, 11, 0.08) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .hud-cut-border {
      border: 1px solid #1E293B;
      position: relative;
    }
    .hud-cut-border::after {
      content: '';
      position: absolute;
      bottom: -1px;
      right: -1px;
      width: 6px;
      height: 6px;
      background-color: var(--accent-amber);
    }
    .active-nav-border {
      border-left: 3px solid #F59E0B;
      background: linear-gradient(90deg, rgba(245, 158, 11, 0.12) 0%, transparent 100%);
    }
    .radar-pulse {
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 2s infinite cubic-bezier(0.66, 0, 0, 1);
    }
    @keyframes pulse {
      to {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
      }
    }