/* roulang page: index */
:root {
            --primary: #10B981;
            --primary-hover: #059669;
            --secondary: #0F172A;
            --accent: #FF5722;
            --bg-light: #F8FAFC;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.75;
        }
        .crowd-ring {
            stroke-dasharray: 440;
            stroke-dashoffset: calc(440 - (440 * 87) / 100);
            transition: stroke-dashoffset 1s ease-in-out;
        }