/* roulang page: index */
:root {
            --primary: #1B365D;
            --primary-dark: #0F2C59;
            --accent: #D97706;
            --charcoal: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #1E293B;
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
        }
        .text-academic-main { color: #1B365D; }
        .bg-academic-main { background-color: #1B365D; }
        .border-academic-main { border-color: #1B365D; }
        .hover-card {
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .hover-card:hover {
            transform: translateY(-4px);
            border-color: #1B365D;
        }
        details summary::-webkit-details-marker {
            display: none;
        }