/* roulang page: index */
:root {
            --primary: #0F4C3A;
            --primary-dark: #061E17;
            --accent: #FF6B00;
            --accent-green: #16A34A;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #475569;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
        }
        .text-shadow {
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }