/* roulang page: index */
:root {
      --bg-main: #0b0f19;
      --card-bg: #111827;
      --card-hover: #1f2937;
      --primary: #06b6d4;
      --accent: #3b82f6;
      --danger: #f43f5e;
      --warning: #f59e0b;
      --success: #10b981;
      --text-1: #f3f4f6;
      --text-2: #9ca3af;
      --border-color: #1f293d;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-1);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid rgba(6, 182, 212, 0.25);
      box-shadow: 0 0 15px rgba(6, 182, 212, 0.08);
    }
    .neon-border:hover {
      border-color: rgba(6, 182, 212, 0.5);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.18);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(6, 182, 212, 0.15) 0%, rgba(11, 15, 25, 0.95) 70%);
    }
    .terminal-font {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }

/* roulang page: category1 */
:root {
      --bg-main: #0b0f19;
      --card-bg: #111827;
      --card-hover: #1f2937;
      --primary: #06b6d4;
      --accent: #3b82f6;
      --danger: #f43f5e;
      --warning: #f59e0b;
      --success: #10b981;
      --text-1: #f3f4f6;
      --text-2: #9ca3af;
      --border-color: #1f293d;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-1);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid rgba(6, 182, 212, 0.25);
      box-shadow: 0 0 15px rgba(6, 182, 212, 0.08);
    }
    .neon-border:hover {
      border-color: rgba(6, 182, 212, 0.5);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.18);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(6, 182, 212, 0.15) 0%, rgba(11, 15, 25, 0.95) 70%);
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #0b0f19;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #1f293d;
      border-radius: 3px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #06b6d4;
    }

/* roulang page: category2 */
:root {
      --bg-main: #0b0f19;
      --card-bg: #111827;
      --card-hover: #1f2937;
      --primary: #06b6d4;
      --accent: #3b82f6;
      --danger: #f43f5e;
      --warning: #f59e0b;
      --success: #10b981;
      --text-1: #f3f4f6;
      --text-2: #9ca3af;
      --border-color: #1f293d;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-1);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid rgba(6, 182, 212, 0.25);
      box-shadow: 0 0 15px rgba(6, 182, 212, 0.08);
    }
    .neon-border:hover {
      border-color: rgba(6, 182, 212, 0.5);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.18);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(6, 182, 212, 0.15) 0%, rgba(11, 15, 25, 0.95) 70%);
    }
    .console-header-gradient {
      background: linear-gradient(90deg, rgba(6, 182, 212, 0.1) 0%, rgba(59, 130, 246, 0.05) 50%, rgba(17, 24, 39, 0) 100%);
    }
    .stat-badge-hot {
      background: rgba(244, 63, 94, 0.15);
      color: #fb7185;
      border: 1px solid rgba(244, 63, 94, 0.3);
    }
    .stat-badge-cold {
      background: rgba(59, 130, 246, 0.15);
      color: #60a5fa;
      border: 1px solid rgba(59, 130, 246, 0.3);
    }
    .stat-badge-warn {
      background: rgba(245, 158, 11, 0.15);
      color: #fbbf24;
      border: 1px solid rgba(245, 158, 11, 0.3);
    }
    .table-metric th {
      background-color: #141c2e;
      color: #94a3b8;
      font-weight: 600;
      letter-spacing: 0.05em;
    }
    .table-metric td {
      border-bottom: 1px solid #1e293b;
    }
    .table-metric tr:hover td {
      background-color: #1a2438;
    }

/* roulang page: category3 */
:root {
      --bg-main: #0b0f19;
      --card-bg: #111827;
      --card-hover: #1f2937;
      --primary: #06b6d4;
      --accent: #3b82f6;
      --danger: #f43f5e;
      --warning: #f59e0b;
      --success: #10b981;
      --text-1: #f3f4f6;
      --text-2: #9ca3af;
      --border-color: #1f293d;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-1);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid rgba(6, 182, 212, 0.25);
      box-shadow: 0 0 15px rgba(6, 182, 212, 0.08);
    }
    .neon-border:hover {
      border-color: rgba(6, 182, 212, 0.5);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.18);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(6, 182, 212, 0.15) 0%, rgba(11, 15, 25, 0.95) 70%);
    }
    .code-console {
      background: #070b14;
      border: 1px solid #1e293b;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .grid-pattern {
      background-size: 32px 32px;
      background-image: linear-gradient(to right, rgba(31, 41, 61, 0.25) 1px, transparent 1px),
                        linear-gradient(to bottom, rgba(31, 41, 61, 0.25) 1px, transparent 1px);
    }

/* roulang page: category4 */
:root {
      --bg-main: #0b0f19;
      --card-bg: #111827;
      --card-hover: #1f2937;
      --primary: #06b6d4;
      --accent: #3b82f6;
      --danger: #f43f5e;
      --warning: #f59e0b;
      --success: #10b981;
      --text-1: #f3f4f6;
      --text-2: #9ca3af;
      --border-color: #1f293d;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-1);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid rgba(6, 182, 212, 0.25);
      box-shadow: 0 0 15px rgba(6, 182, 212, 0.08);
    }
    .neon-border:hover {
      border-color: rgba(6, 182, 212, 0.5);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.18);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(6, 182, 212, 0.15) 0%, rgba(11, 15, 25, 0.95) 70%);
    }
    .badge-soft {
      background: rgba(6, 182, 212, 0.1);
      border: 1px solid rgba(6, 182, 212, 0.25);
    }
    .grid-pattern {
      background-size: 30px 30px;
      background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    }
    .data-table th, .data-table td {
      padding: 0.85rem 1rem;
      border-bottom: 1px solid #1f293d;
    }
    .data-table tr:hover {
      background-color: rgba(6, 182, 212, 0.04);
    }