/* roulang page: index */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-subtle: #F0FDFA;
            --secondary: #0284C7;
            --accent: #F59E0B;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-body);
            background-color: #FFFFFF;
            overflow-x: hidden;
            line-height: 1.75;
        }
        .bento-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .bento-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px -10px rgba(15, 118, 110, 0.15);
        }
        .step-glow-line {
            background: linear-gradient(90deg, #0F766E 0%, #0284C7 100%);
        }