.school-app{--green:#19326b;--ink:#20293d;--muted:#8d8676;--line:#eae9e7;--paper:#f7f7f6;color:var(--ink);background:var(--paper);min-height:100vh;font-family:Arial,Microsoft YaHei,PingFang SC,sans-serif;font-size:14px}.school-app *{box-sizing:border-box}.school-app button,.school-app input,.school-app select,.school-app textarea{font:inherit}.school-app button{cursor:pointer;transition:background .15s,box-shadow .15s}.school-app button:disabled{cursor:wait;opacity:.55}.school-app button:focus-visible,.school-app input:focus-visible,.school-app select:focus-visible,.school-app textarea:focus-visible{outline-offset:3px;outline:3px solid #a3b0cf}.school-app button{border:0}.school-app h1,.school-app h2,.school-app h3,.school-app p{margin:0}.school-app small{font-size:12px}.school-app .sidebar{color:#ebebe9;z-index:20;background:#15223f;flex-direction:column;width:224px;padding:32px 20px 22px;display:flex;position:fixed;inset:0 auto 0 0}.brand{align-items:center;gap:13px;padding:0 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