/* roulang page: index */
:root {
            --primary: #1E40AF;
            --accent: #0284C7;
            --cyan: #0D9488;
            --dark: #0F172A;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: #334155;
            -webkit-font-smoothing: antialiased;
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .nav-pill-active {
            background-color: #1E40AF;
            color: #ffffff !important;
        }
        .nav-pill-inactive {
            color: #475569;
            background-color: #F1F5F9;
        }
        .nav-pill-inactive:hover {
            color: #1E40AF;
            background-color: #E2E8F0;
        }
        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
        }
        .accordion-content.open {
            max-height: 250px;
            opacity: 1;
        }
        .rotate-icon {
            transition: transform 0.3s ease;
        }
        .rotate-icon.rotated {
            transform: rotate(180deg);
        }