/* roulang page: index */
:root {
            --bg-main: #0D0F12;
            --bg-card: #16191E;
            --border-line: rgba(255, 255, 255, 0.08);
            --color-primary: #00E599;
            --color-secondary: #00C4DF;
        }
        body {
            background-color: var(--bg-main);
            color: #F3F4F6;
            font-family: system-ui, -apple-system, "SF Pro SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            overflow-x: hidden;
        }
        .glow-border {
            border: 1px solid var(--border-line);
            transition: all 0.25s ease-out;
        }
        .glow-border:hover {
            border-color: rgba(0, 229, 153, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 10px 30px -10px rgba(0, 229, 153, 0.15);
        }
        .badge-tech {
            font-family: monospace;
            background: rgba(0, 229, 153, 0.08);
            color: #00E599;
            border: 1px solid rgba(0, 229, 153, 0.2);
        }