/* roulang page: index */
:root {
            --color-primary: #0F5132;
            --color-accent: #10B981;
            --color-dark: #0B0F19;
            --color-bg-subtle: #F8F9FA;
            --color-text-main: #111827;
            --color-text-muted: #4B5563;
            --color-border: #E5E7EB;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--color-text-main);
            background-color: #FFFFFF;
            line-height: 1.7;
        }
        .text-balance {
            text-wrap: balance;
        }
        .backdrop-glass {
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary svg {
            transform: rotate(180deg);
        }