/* roulang page: index */
:root {
            --bg-main: #090A0F;
            --bg-card: #12141C;
            --color-primary: #00E575;
            --color-primary-glow: rgba(0, 229, 117, 0.18);
            --border-line: rgba(255, 255, 255, 0.08);
        }
        body {
            background-color: var(--bg-main);
            color: #F8FAFC;
            font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            -webkit-font-smoothing: antialiased;
        }
        .code-box {
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }
        .glow-hover {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .glow-hover:hover {
            border-color: rgba(0, 229, 117, 0.4);
            box-shadow: 0 0 24px var(--color-primary-glow);
            transform: translateY(-3px);
        }
        .terminal-scroll::-webkit-scrollbar {
            width: 4px;
            height: 4px;
        }
        .terminal-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }

/* roulang page: category1 */
:root {
      --bg-main: #090A0F;
      --bg-card: #12141C;
      --color-primary: #00E575;
      --color-primary-glow: rgba(0, 229, 117, 0.18);
      --border-line: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-main);
      color: #F8FAFC;
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      -webkit-font-smoothing: antialiased;
    }
    .code-font {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .card-hover-glow {
      transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), border-color 300ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 300ms cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover-glow:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 229, 117, 0.35);
      box-shadow: 0 10px 30px -10px rgba(0, 229, 117, 0.15);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll::-webkit-scrollbar-track {
      background: #090A0F;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #1e293b;
      border-radius: 3px;
    }
    .custom-scroll::-webkit-scrollbar-thumb:hover {
      background: #334155;
    }