/* roulang page: index */
:root {
            --color-primary: #00A86B;
            --color-navy: #102A43;
            --color-warning: #FFB020;
            --color-surface: #F7F9FA;
            --color-dark: #0A1118;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        body {
            font-family: var(--font-stack);
            background-color: #FFFFFF;
            color: #243B53;
            -webkit-font-smoothing: antialiased;
        }
        .hero-bg {
            background-image: linear-gradient(to bottom, rgba(10, 17, 24, 0.78), rgba(10, 17, 24, 0.88)), url('/assets/images/01508fd8f109fcab.webp');
            background-size: cover;
            background-position: center;
        }
        .deep-bg {
            background-image: linear-gradient(to bottom, rgba(10, 17, 24, 0.94), rgba(10, 17, 24, 0.96)), url('/assets/images/c611fa6d4b0cb1c6.webp');
            background-size: cover;
            background-position: center;
        }
        .card-shadow {
            box-shadow: 0 4px 14px rgba(16, 42, 67, 0.05);
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-shadow:hover {
            box-shadow: 0 14px 28px rgba(16, 42, 67, 0.1);
            transform: translateY(-4px);
        }
        details summary::-webkit-details-marker {
            display: none;
        }