:root{--ink:#17242d;--muted:#71818a;--line:#e6eceb;--bg:#f5f8f7;--card:#fff;--green:#087b6e;--green-dark:#066458;--mint:#e7f5ef;--red:#c74646;--amber:#b66a05;--radius:14px;font-family:"Microsoft YaHei",system-ui,sans-serif;color:var(--ink)}*{box-sizing:border-box}
[hidden]{display:none!important}body{margin:0;background:var(--bg);font-size:14px}.shell{display:grid;grid-template-columns:242px 1fr;min-height:100dvh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:22px 14px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;width:242px;z-index:4}.brand{display:flex;align-items:center;gap:8px;font-size:21px;font-weight:800;padding:0 10px 22px;letter-spacing:-.5px}.brand-mark{width:28px;height:28px;background:var(--green);color:#fff;border-radius:8px;display:grid;place-items:center;font-size:15px}.brand small{font-size:9px;letter-spacing:1px;color:var(--green);font-weight:800;margin-left:1px}.school-select{display:flex;justify-content:space-between;align-items:center;background:#f2f7f5;border:1px solid #e0eee9;border-radius:9px;padding:10px 11px;margin:0 4px 20px;font-size:13px}.school-select span{color:var(--muted)}nav{display:flex;flex-direction:column;gap:3px}.nav-item{width:100%;background:transparent;border:0;text-align:left;padding:10px 11px;border-radius:8px;color:#52626a;font:inherit;cursor:pointer;display:flex;align-items:center;gap:12px}.nav-item:hover{background:#f3f8f6}.nav-item.active{background:#e7f4f0;color:var(--green-dark);font-weight:700}.nav-item span{font-size:18px;width:18px;text-align:center}.nav-item b{margin-left:auto;background:#f9e4e1;color:var(--red);font-size:10px;padding:2px 6px;border-radius:8px}nav p{font-size:11px;color:#9aa7ac;margin:18px 11px 5px;font-weight:700}.user{margin-top:auto;border-top:1px solid var(--line);padding:16px 6px 0;display:flex;align-items:center;gap:9px}.avatar{background:#d9eee6;color:var(--green-dark);width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:bold}.user div:nth-child(2){display:grid;gap:2px}.user strong{font-size:13px}.user small{font-size:11px;color:var(--muted)}.user>span{margin-left:auto;color:#89969c;font-size:20px}main{grid-column:2}header{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 38px;justify-content:space-between;position:sticky;top:0;z-index:3}.crumb{font-size:13px;font-weight:700}.crumb span{color:#b4bec1;margin:0 9px}.top-actions{display:flex;align-items:center;gap:15px}.icon-btn,.help,.menu{border:0;background:transparent;color:#607077;cursor:pointer;font:inherit}.icon-btn{font-size:20px;position:relative}.icon-btn i{position:absolute;width:6px;height:6px;border-radius:50%;background:#d34b4b;top:1px;right:0}.help{border-left:1px solid var(--line);padding-left:15px;font-size:13px}.menu{display:none}.page{padding:31px 38px 48px;max-width:1600px;margin:auto}.title-row{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px}.title-row h1{font-size:25px;letter-spacing:-.6px;margin:0 0 7px}.title-row p{margin:0;color:var(--muted);font-size:13px}.primary,.secondary,.danger{border:1px solid transparent;border-radius:8px;padding:10px 14px;font:inherit;font-weight:700;cursor:pointer}.primary{background:var(--green);color:#fff;box-shadow:0 4px 10px #087b6e28}.primary:hover{background:var(--green-dark)}.secondary{border:1px solid #d5dfdc;background:#fff;color:#405058}.danger{background:#c74646;color:white}.btns{display:flex;gap:9px;align-items:center}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:19px}.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 15px;min-height:120px}.stat-top{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.stat-icon{width:31px;height:31px;border-radius:9px;display:grid;place-items:center;background:var(--mint);color:var(--green);font-size:18px}.stat strong{display:block;font-size:27px;letter-spacing:-1px;margin:14px 0 5px}.stat small{color:#71818a}.good{color:var(--green)}.warn{color:var(--amber)}.bad{color:var(--red)}.grid{display:grid;grid-template-columns:1.35fr .9fr;gap:17px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.card h2{font-size:16px;margin:0}.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.card-head a{font-size:12px;color:var(--green);cursor:pointer}.chart{height:212px;display:flex;align-items:end;gap:13px;padding:12px 8px 23px;border-bottom:1px solid var(--line);background:repeating-linear-gradient(to bottom,transparent 0,transparent 51px,#eff3f2 52px)}.bar{flex:1;background:#b5dfd3;border-radius:5px 5px 0 0;position:relative;min-width:15px}.bar:nth-child(5),.bar:nth-child(6){background:var(--green)}.bar small{position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);white-space:nowrap;color:#8a989c;font-size:10px}.todo{display:grid;gap:0}.todo div{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center}.todo div:last-child{border:0}.todo i{width:8px;height:8px;background:#e19b3e;border-radius:50%}.todo small{display:block;color:var(--muted);margin-top:3px}.notice{background:#fff8e9;border:1px solid #f4dfb1;border-radius:10px;padding:13px;display:flex;gap:10px;color:#855f1b;font-size:13px;line-height:1.55}.notice b{color:#a86a04}.list{display:grid;gap:10px}.row{border:1px solid var(--line);border-radius:10px;padding:13px 14px;display:flex;align-items:center;gap:12px}.row .code{font-family:ui-monospace,monospace;font-weight:bold;color:#294049}.row small{color:var(--muted)}.row .grow{flex:1}.badge{font-size:11px;padding:4px 8px;border-radius:20px;font-weight:700;white-space:nowrap}.bound{background:#e5f5ee;color:#0b725e}.lost{background:#fdeaea;color:#b43c3c}.idle{background:#eff3f4;color:#65747a}.archived{background:#f2eef6;color:#76558e}.toolbar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:flex;gap:10px;flex-wrap:wrap;margin-bottom:15px}.search{border:1px solid #d9e1df;border-radius:8px;padding:9px 11px;min-width:240px;font:inherit;outline:none}.search:focus{border-color:var(--green);box-shadow:0 0 0 3px #087b6e18}.filter{border:1px solid #d9e1df;background:#fff;border-radius:8px;padding:9px 10px;color:#526168}.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:auto}table{border-collapse:collapse;width:100%;min-width:760px}th{text-align:left;background:#f7f9f8;color:#708087;font-size:12px;font-weight:700;padding:13px 16px;border-bottom:1px solid var(--line)}td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:13px}tr:last-child td{border-bottom:0}.link{color:var(--green);font-weight:700;cursor:pointer}.pagination{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;color:var(--muted);font-size:12px}.empty{padding:45px;text-align:center;color:var(--muted)}.scan-result{max-width:600px;margin:32px auto}.result-hero{background:#0a5f56;color:white;padding:25px;border-radius:var(--radius) var(--radius) 0 0}.result-hero small{opacity:.7}.result-hero h2{margin:11px 0 0;font-size:23px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}.detail-grid div{padding:14px 17px;border-bottom:1px solid var(--line)}.detail-grid small{display:block;color:var(--muted);margin-bottom:5px}.result-alert{background:#fff3f2;color:#9d3d3d;padding:12px 17px;font-size:13px}.stepper{display:flex;gap:0;margin:16px 0 24px}.step{flex:1;text-align:center;position:relative;color:var(--muted);font-size:12px}.step:not(:last-child):after{content:"";position:absolute;height:2px;background:#c5e4da;width:70%;left:65%;top:10px}.step b{display:grid;place-items:center;margin:0 auto 7px;width:21px;height:21px;border-radius:50%;background:#d3e9e1;color:var(--green);position:relative;z-index:1}.step.current{color:var(--green);font-weight:700}.step.current b{background:var(--green);color:#fff}.setting{display:flex;justify-content:space-between;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.setting:last-child{border-bottom:0}.setting p{margin:4px 0 0;color:var(--muted);font-size:12px}.switch{width:39px;height:22px;border-radius:20px;background:#cad5d2;padding:3px;cursor:pointer}.switch:after{content:"";display:block;width:16px;height:16px;border-radius:50%;background:#fff;transition:.2s}.switch.on{background:var(--green)}.switch.on:after{transform:translateX(17px)}dialog{border:0;border-radius:16px;padding:0;box-shadow:0 25px 70px #17242d55;width:min(480px,calc(100% - 32px))}dialog::backdrop{background:#17242d77}.modal{padding:24px}.modal h2{margin:0 0 8px;font-size:20px}.modal p{color:var(--muted);line-height:1.7}.modal .btns{justify-content:flex-end;margin-top:22px}.field{display:grid;gap:6px;margin:16px 0}.field input,.field textarea{border:1px solid #d7e0de;border-radius:8px;padding:10px;font:inherit;resize:vertical}.field label{font-size:12px;color:#54656c;font-weight:700}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0);box-shadow:10px 0 30px #17242d33}main{grid-column:1}.menu{display:block;font-size:20px}.page{padding:24px 18px}header{padding:0 18px}.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.title-row{align-items:flex-start;gap:15px;flex-direction:column}}@media(max-width:520px){.stats{grid-template-columns:1fr}.title-row .btns{width:100%;flex-wrap:wrap}.search{min-width:100%}.detail-grid{grid-template-columns:1fr}}
.todo div.todo-link{cursor:pointer;border-radius:8px}
.todo div.todo-link:hover{background:var(--bg)}
.todo div.todo-link:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.todo div.todo-link .link{white-space:nowrap}

/* ⚠️ 别把上面 .primary,.secondary,.danger 的 border 改回 border:0。
   原生 border 0 时，带可见描边的 .secondary 会比 .primary 高 2px（实测 41 vs 39），
   两者并排就"大小不统一"。统一成 1px solid transparent 后三个变体盒子尺寸一致。
   （2026-09-28 修；同批次还补了码池页两个漏写 class 的裸按钮） */