:root{--ink:#15251f;--muted:#64746e;--line:#dce5e0;--surface:#fff;--soft:#f4f8f6;--green:#176b4d;--green-dark:#10523b;--green-light:#e4f3ec;--gold:#b9892f;--red:#b33a3a;--shadow:0 16px 50px rgba(24,67,50,.09);font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:var(--ink);background:#f4f7f5}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(140deg,#f8fbf9 0,#f2f7f4 48%,#eef4f1 100%);font-size:15px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.topbar{height:76px;padding:0 max(24px,calc((100vw - 1240px)/2));display:flex;align-items:center;gap:34px;background:rgba(255,255,255,.94);border-bottom:1px solid 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