/* roulang page: index */
:root {
            --bg-main: #0B0F17;
            --neon-color: #00FF87;
            --border-dim: #1E293B;
        }
        html {
            scroll-behavior: smooth;
        }
        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;
        }
        .neon-border {
            border: 1px solid rgba(0, 255, 135, 0.2);
            transition: all 0.3s ease;
        }
        .neon-border:hover {
            border-color: rgba(0, 255, 135, 0.7);
            box-shadow: 0 0 15px rgba(0, 255, 135, 0.25);
        }
        .neon-text-glow {
            text-shadow: 0 0 12px rgba(0, 255, 135, 0.6);
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #1F2937;
            border-radius: 4px;
        }