/* roulang page: index */
:root {
            --bg-main: #0B0F17;
            --bg-card: #131B2B;
            --border-color: #1E293B;
            --primary-neon: #00F298;
            --primary-cyan: #00D4B8;
            --accent-gold: #F5A623;
            --text-secondary: #94A3B8;
        }
        body {
            background-color: var(--bg-main);
            color: #F8FAFC;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            overflow-x: hidden;
        }
        .grid-matrix-bg {
            background-image: radial-gradient(rgba(0, 242, 152, 0.08) 1px, transparent 1px);
            background-size: 32px 32px;
        }
        .circuit-border {
            border: 1px solid var(--border-color);
            box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .circuit-border:hover {
            border-color: rgba(0, 242, 152, 0.5);
            box-shadow: 0 10px 25px -5px rgba(0, 242, 152, 0.1), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .glass-panel {
            background: rgba(19, 27, 43, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .terminal-header {
            background: rgba(11, 15, 23, 0.95);
            border-bottom: 1px solid #1E293B;
        }
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0F17;
        }
        ::-webkit-scrollbar-thumb {
            background: #1E293B;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00D4B8;
        }

/* roulang page: category1 */
:root {
      --bg-main: #0B0F17;
      --bg-card: #131B2B;
      --border-color: #1E293B;
      --primary-neon: #00F298;
      --primary-cyan: #00D4B8;
      --accent-gold: #F5A623;
      --text-secondary: #94A3B8;
    }
    body {
      background-color: var(--bg-main);
      color: #F8FAFC;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      overflow-x: hidden;
    }
    .grid-matrix-bg {
      background-image: radial-gradient(rgba(0, 242, 152, 0.08) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .circuit-border {
      border: 1px solid var(--border-color);
      box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .circuit-border:hover {
      border-color: rgba(0, 242, 152, 0.5);
      box-shadow: 0 10px 25px -5px rgba(0, 242, 152, 0.1), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
      transform: translateY(-2px);
    }
    .terminal-header {
      background: rgba(11, 15, 23, 0.95);
      border-bottom: 1px solid #1E293B;
    }

/* roulang page: category2 */
:root {
      --bg-main: #0B0F17;
      --bg-card: #131B2B;
      --border-color: #1E293B;
      --primary-neon: #00F298;
      --primary-cyan: #00D4B8;
      --accent-gold: #F5A623;
      --text-secondary: #94A3B8;
    }
    body {
      background-color: var(--bg-main);
      color: #F8FAFC;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      overflow-x: hidden;
      line-height: 1.75;
    }
    .grid-matrix-bg {
      background-image: radial-gradient(rgba(0, 242, 152, 0.08) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .circuit-border {
      border: 1px solid var(--border-color);
      box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .circuit-border:hover {
      border-color: rgba(0, 242, 152, 0.5);
      box-shadow: 0 10px 25px -5px rgba(0, 242, 152, 0.1), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
      transform: translateY(-2px);
    }
    .terminal-header {
      background: rgba(11, 15, 23, 0.95);
      border-bottom: 1px solid #1E293B;
    }
    .badge-pulse {
      box-shadow: 0 0 12px rgba(0, 242, 152, 0.35);
    }

/* roulang page: category4 */
:root {
      --bg-main: #0B0F17;
      --bg-card: #131B2B;
      --border-color: #1E293B;
      --primary-neon: #00F298;
      --primary-cyan: #00D4B8;
      --accent-gold: #F5A623;
      --text-secondary: #94A3B8;
    }
    body {
      background-color: var(--bg-main);
      color: #F8FAFC;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      overflow-x: hidden;
      line-height: 1.8;
    }
    .grid-matrix-bg {
      background-image: radial-gradient(rgba(0, 242, 152, 0.08) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .circuit-border {
      border: 1px solid var(--border-color);
      box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .circuit-border:hover {
      border-color: rgba(0, 242, 152, 0.5);
      box-shadow: 0 10px 25px -5px rgba(0, 242, 152, 0.1), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
      transform: translateY(-2px);
    }
    .badge-pulse {
      animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulse-ring {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

/* roulang page: category3 */
:root {
            --bg-main: #0B0F17;
            --bg-card: #131B2B;
            --border-color: #1E293B;
            --primary-neon: #00F298;
            --primary-cyan: #00D4B8;
            --accent-gold: #F5A623;
            --text-secondary: #94A3B8;
        }
        body {
            background-color: var(--bg-main);
            color: #F8FAFC;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
            line-height: 1.8;
        }
        .grid-matrix-bg {
            background-image: radial-gradient(rgba(0, 242, 152, 0.08) 1px, transparent 1px);
            background-size: 32px 32px;
        }
        .circuit-border {
            border: 1px solid var(--border-color);
            box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .circuit-border:hover {
            border-color: rgba(0, 242, 152, 0.5);
            box-shadow: 0 10px 25px -5px rgba(0, 242, 152, 0.1), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .terminal-header {
            background: rgba(11, 15, 23, 0.95);
            border-bottom: 1px solid #1E293B;
        }
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0F17;
        }
        ::-webkit-scrollbar-thumb {
            background: #1E293B;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00D4B8;
        }