:root{--green:#45ba66;--teal:#2d99a3;--blue:#0756ab;--gold:#b8860b;--red:#d63a41;--ink:#112942;--bg:#fff;--bg-alt:#f5f9fb;--line:#e4edf2;--muted:#5b6b7a;--gradient:linear-gradient(120deg,#45ba66,#2d99a3 52%,#0756ab);--serif:"Noto Serif SC","Songti SC","SimSun",serif;--title:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",-apple-system,sans-serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;--shadow:0 10px 30px rgba(17,41,66,.08);--shadow-hover:0 18px 44px rgba(17,41,66,.14)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}#app{min-height:100vh}