/* roulang page: index */
:root {
            --primary: #0D9488;
            --primary-dark: #0F766E;
            --accent: #F97316;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: #334155;
            line-height: 1.75;
        }
        .text-balance {
            text-wrap: balance;
        }
        .progress-ring__circle {
            transition: stroke-dashoffset 0.35s;
            transform: rotate(-90deg);
            transform-origin: 50% 50%;
        }