/* roulang page: index */
:root {
            --color-primary: #0F172A;
            --color-accent: #10B981;
            --color-engine: #6366F1;
            --color-bg-light: #F8FAFC;
            --color-bg-dark: #0B0F17;
            --color-text-main: #334155;
            --color-text-heading: #0F172A;
        }
        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
        }
        .code-console {
            background: #020617;
            border-left: 3px solid #10B981;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }
        .faq-content {
            transition: max-height 0.3s ease-out, opacity 0.25s ease;
        }