/* roulang page: index */
:root {
            --bg-canvas: #F8FAFC;
            --primary-navy: #0F2744;
            --accent-blue: #0284C7;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-line: #E2E8F0;
        }
        body {
            background-color: var(--bg-canvas);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            -webkit-font-smoothing: antialiased;
        }
        .section-separator {
            border-bottom: 1px solid #EEF2F6;
        }
        .card-border-glow {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-border-glow:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 36px -6px rgba(15, 39, 68, 0.12);
            border-color: #BAE6FD;
        }
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background-color: #CBD5E1;
            border-radius: 9999px;
        }