:root{--ink:#203b40;--muted:#758489;--green:#16676a;--line:#dfe8e7;--bg:#f3f6f5;--amber:#b37728;--red:#ba4c42}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.65 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:3px}button{cursor:pointer;border:1px solid var(--line);background:white;border-radius:8px;padding:9px 17px;color:var(--ink);transition:.15s}button:hover{border-color:var(--green);background:#f4fbfa}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--green);border-color:var(--green);color:white}.primary:hover{background:#105457;color:white}.danger{color:var(--red)}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,p{margin-top:0}h1{font-size:29px;line-height:1.4;letter-spacing:-.5px}h2{font-size:19px}h3{font-size:16px}small,.muted{color:var(--muted)}.loading{padding:80px;text-align:center}.shell{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#123e44;color:#c9dedd;display:flex;flex-direction:column;padding:30px 20px}.brand{padding:0 8px 29px;font-size:19px;color:white;line-height:1.55;font-weight:700}.brand .brand-mark{display:block;color:#8cbbb7;font-size:11px;letter-spacing:3px;margin-bottom:13px;font-weight:400}.sidebar nav{display:flex;flex-direction:column;gap:6px}.sidebar nav button{background:none;color:#bdd4d4;border:0;text-align:left;padding:13px 17px}.sidebar nav button.active{background:#28565a;color:white}.sidebar nav button:hover{background:#234f55}.sidebar-foot{margin-top:auto;padding:25px 10px 0;font-size:12px;line-height:1.8;color:#88aaa9}.main{padding:0 38px 50px;min-width:0}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:32px;gap:15px}.topbar .actions{display:flex;align-items:center;gap:15px}.topbar .actions button{padding:5px 10px;font-size:12px}.status-dot{color:var(--green);font-size:12px}.offline{color:var(--amber)}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:26px}.eyebrow{color:var(--green);font-size:11px;letter-spacing:2px;margin-bottom:8px}.page-heading p{color:var(--muted);margin:8px 0 0}.grid{display:grid;gap:20px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:white;border:1px solid var(--line);border-radius:12px;padding:25px;margin-bottom:20px}.grid .card{margin-bottom:0}.stat{padding:22px 25px}.stat strong{font-size:31px;display:block;line-height:1.3;margin:8px 0;color:#24595d}.stat small{font-size:12px}.row{display:flex;align-items:center;justify-content:space-between;gap:15px}.actions{display:flex;gap:9px;flex-wrap:wrap}.section-top{margin:30px 0 17px}.empty{padding:35px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:10px}.project{cursor:pointer;position:relative}.project:hover{border-color:#80acaa;box-shadow:0 4px 12px #163e4409}.project .course{font-size:12px;color:var(--green);margin-bottom:9px}.project h3{font-size:19px;margin-bottom:13px}.project .meta{color:var(--muted);font-size:13px}.project .bottom{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:12px}.pill{display:inline-block;padding:3px 9px;border-radius:5px;background:#e7f2ef;color:#26756b;font-size:12px}.pill.warn{color:#a76a25;background:#fcf1df}.pill.bad{color:#b35048;background:#fcebe8}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;color:var(--muted);font-weight:400;background:#f8faf9}td,th{padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:top}td button{padding:4px 9px;font-size:12px}td.wide{max-width:400px;overflow-wrap:anywhere}progress{width:95px;height:7px;accent-color:var(--green)}label{display:block;font-size:13px;color:#587074;margin-bottom:15px}input,textarea,select{display:block;width:100%;border:1px solid #cfdbda;border-radius:7px;background:#fff;color:var(--ink);padding:10px 12px;margin-top:6px}input:focus,textarea:focus,select:focus{border-color:var(--green)}textarea{resize:vertical;min-height:100px}.check{display:flex;align-items:center;gap:9px}.check input{width:16px;margin:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.form-grid .full{grid-column:1/-1}dialog{border:1px solid var(--line);border-radius:14px;padding:30px;width:650px;max-width:calc(100% - 24px);max-height:90vh;color:var(--ink)}dialog::backdrop{background:#0e292d88}dialog h2{margin-bottom:22px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.note{background:#ecf5f3;border-left:3px solid #5e9c92;border-radius:5px;padding:14px 18px;font-size:13px;color:#476e6b;margin-bottom:20px}.note.warn{background:#fff5e7;border-color:#c2964d;color:#8b692f}.steps{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 23px}.steps span{font-size:12px;color:var(--muted);padding:6px 11px;background:#eaf0ed;border-radius:5px}.workspace-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(310px,1fr);gap:22px}video,audio{width:100%;background:#14393f;border-radius:8px;max-height:420px}audio{height:65px}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin:25px 0 20px;padding-bottom:10px;flex-wrap:wrap}.tabs button{border:0;background:transparent}.tabs button.active{background:#dfeee9;color:var(--green)}.segment{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;border-bottom:1px solid var(--line);padding:14px 0}.segment button{font-size:12px;padding:6px}.segment textarea{margin:0;min-height:72px;font-size:13px}.segments{max-height:550px;overflow:auto}.frames{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.frame img{width:100%;aspect-ratio:16/9;object-fit:contain;background:#142e34;border-radius:7px}.frame button{font-size:12px;width:100%;padding:5px}.frame p{font-size:12px;color:#637b7e;padding:8px 0;margin:0}.report-hero{display:flex;gap:30px;align-items:center;background:#eaf3ef;border:1px solid #d5e4dd;border-radius:12px;padding:30px;margin-bottom:25px}.report-hero .score{font-size:44px;line-height:1.1;color:var(--green);min-width:140px}.report-hero .score small{font-size:15px}.criterion{padding-bottom:25px}.criterion h3{font-size:18px}.bar{height:7px;border-radius:4px;background:#edf2ef;margin:10px 0 20px;overflow:hidden}.bar meter{display:block;width:100%;height:100%;appearance:none}.bar meter::-webkit-meter-bar{background:#edf2ef;border:0}.bar meter::-webkit-meter-optimum-value{background:#509386}.evidence{border-left:2px solid #adc8c1;padding:12px 16px;margin:12px 0;background:#f5f8f6;font-size:13px}.evidence blockquote{margin:6px 0;color:#496967}.suggestion{background:#f9f7f0;padding:15px;border-radius:7px;margin:12px 0;font-size:13px}.json-editor{font-family:Consolas,monospace;font-size:12px;min-height:330px}.login-page{display:grid;grid-template-columns:1.1fr 1fr;min-height:100vh}.login-brand{background:#123e44;color:#eef8f4;padding:15vh 9vw;display:flex;flex-direction:column;justify-content:center}.login-brand h1{font-size:39px;line-height:1.6}.login-brand p{color:#a4c4c0;margin-top:20px;font-size:16px}.login-brand .line{width:50px;height:3px;background:#8dbea8;margin:25px 0}.login-panel{display:flex;align-items:center;justify-content:center;padding:50px;background:#f9fbf9}.login-panel form{width:360px}.login-panel h2{font-size:25px}.login-panel label{margin:24px 0}.login-panel button{width:100%;padding:12px}.login-panel .hint{font-size:12px;margin-top:24px;color:var(--muted)}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#163d43;color:white;padding:12px 23px;border-radius:9px;max-width:90vw;box-shadow:0 6px 25px #0002;z-index:100;display:none}#toast.show{display:block}#toast.error{background:#93483e}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.upload-progress{margin:16px 0}.upload-progress progress{width:100%;height:12px}.error-text{color:var(--red);font-size:13px}.back{font-size:13px;margin-bottom:20px;display:inline-block}details{margin:12px 0}summary{cursor:pointer;font-size:13px;color:var(--green)}.subtle{font-size:12px;padding:5px 9px}.mt{margin-top:20px}.footer-note{font-size:12px;color:var(--muted);margin-top:30px}.link-button{border:0;background:transparent;color:var(--green);padding:0;text-align:left}.nowrap{white-space:nowrap}@media(min-width:1600px){.main{max-width:1450px;width:100%;margin:auto}}@media(max-width:1100px){.main{padding:0 24px 30px}.shell{grid-template-columns:210px 1fr}.workspace-grid{grid-template-columns:1fr}.grid.three{grid-template-columns:1fr 1fr}}@media(max-width:750px){.shell{display:block}.sidebar{position:static;height:auto;padding:18px}.brand{padding:0 0 14px;font-size:17px}.brand .brand-mark{display:none}.sidebar nav{flex-direction:row;overflow:auto;gap:4px}.sidebar nav button{white-space:nowrap;padding:8px 13px}.sidebar-foot{display:none}.main{padding:0 15px 30px}.topbar{height:66px;margin-bottom:22px;font-size:12px}.topbar .actions{gap:7px}.grid.two,.grid.three,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.page-heading{align-items:flex-start}h1{font-size:24px}.card{padding:19px}.login-page{display:block}.login-brand{padding:40px 25px}.login-brand h1{font-size:27px}.login-brand p{font-size:13px;margin:0}.login-brand .line{margin:15px 0}.login-panel{padding:35px 24px}.frames{grid-template-columns:1fr 1fr}.report-hero{gap:15px;padding:20px}.report-hero .score{min-width:95px;font-size:32px}.segment{grid-template-columns:75px 1fr}.topbar .status-dot{display:none}}

.footer-note{overflow-wrap:anywhere}.page-heading>div{min-width:0}@media(max-width:750px){.row{flex-wrap:wrap}.row>label{max-width:100%}.row select{max-width:100%}.page-heading>button{flex-shrink:0}.report-hero>div{min-width:0}}