/* roulang page: index */
:root {
            --bg-canvas: #0B0F12;
            --bg-card: #12181F;
            --border-line: #1E293B;
            --primary: #10E7A6;
            --text-main: #F8FAFC;
            --text-sub: #94A3B8;
        }
        body {
            background-color: var(--bg-canvas);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        .code-font {
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }
        .hero-banner {
            background-image: linear-gradient(to bottom, rgba(11, 15, 18, 0.88), rgba(11, 15, 18, 0.98)), url('/assets/images/6391d18a6aa05244.png');
            background-size: cover;
            background-position: center;
        }