/* roulang page: index */
:root {
      --bg-main: #070B19;
      --bg-secondary: #0B132B;
      --card-glass: rgba(16, 26, 52, 0.68);
      --border-cyan: rgba(0, 229, 255, 0.2);
      --border-hover: rgba(0, 229, 255, 0.55);
      --cyan-glow: #00E5FF;
      --blue-glow: #2979FF;
    }
    body {
      background-color: var(--bg-main);
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .glass-card {
      background: var(--card-glass);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      box-shadow: 0 8px 32px 0 rgba(0, 229, 255, 0.05);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .glass-card:hover {
      border-color: var(--border-hover);
      box-shadow: 0 12px 36px 0 rgba(0, 229, 255, 0.16);
      transform: translateY(-4px);
    }
    .glow-btn {
      background: linear-gradient(135deg, #00E5FF 0%, #2979FF 100%);
      box-shadow: 0 0 22px rgba(0, 229, 255, 0.38);
      transition: all 0.3s ease;
    }
    .glow-btn:hover {
      box-shadow: 0 0 32px rgba(0, 229, 255, 0.65);
      filter: brightness(1.1);
    }
    .spotlight-bg {
      background: radial-gradient(circle at 50% 20%, rgba(41, 121, 255, 0.18) 0%, rgba(7, 11, 25, 0) 70%);
    }
    .hero-mesh {
      background-image: radial-gradient(rgba(0, 229, 255, 0.08) 1px, transparent 1px);
      background-size: 28px 28px;
    }

/* roulang page: category1 */
:root {
    --bg-main: #070B19;
    --bg-secondary: #0B132B;
    --card-glass: rgba(16, 26, 52, 0.68);
    --border-cyan: rgba(0, 229, 255, 0.2);
    --border-hover: rgba(0, 229, 255, 0.55);
    --cyan-glow: #00E5FF;
    --blue-glow: #2979FF;
  }
  body {
    background-color: var(--bg-main);
    color: #E2E8F0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    overflow-x: hidden;
  }
  .glass-card {
    background: var(--card-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-cyan);
    box-shadow: 0 8px 32px 0 rgba(0, 229, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 12px 36px 0 rgba(0, 229, 255, 0.16);
    transform: translateY(-4px);
  }
  .glow-btn {
    background: linear-gradient(135deg, #00E5FF 0%, #2979FF 100%);
    box-shadow: 0 0 22px rgba(0, 229, 255, 0.38);
    transition: all 0.3s ease;
  }
  .glow-btn:hover {
    box-shadow: 0 0 32px rgba(0, 229, 255, 0.65);
    filter: brightness(1.1);
  }
  .hero-mesh {
    background-image: radial-gradient(rgba(0, 229, 255, 0.08) 1px, transparent 1px);
    background-size: 28px 28px;
  }
  .tag-pill {
    background: rgba(15, 26, 54, 0.85);
    border: 1px solid rgba(0, 229, 255, 0.25);
  }
  .tag-pill.active {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.25), rgba(41, 121, 255, 0.3));
    border-color: #00E5FF;
    color: #FFFFFF;
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
  }