/* roulang page: index */
:root {
            --primary: #1D4ED8;
            --primary-accent: #0284C7;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
        }
        .text-gradient {
            background: linear-gradient(135deg, #1D4ED8 0%, #0284C7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }