:root{--navy:#172c48;--gold:#b59449;--goldp:#f6f1e6;--bg:#f6f7f9;--line:#e7e9ee;--muted:#758092;--green:#28745d;--red:#b64040}*{box-sizing:border-box}body{margin:0;font:14px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;color:var(--navy);background:var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a.btn{cursor:pointer;border:1px solid var(--line);border-radius:8px;background:white;padding:9px 15px;color:var(--navy);display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.15s}button:hover,a.btn:hover{border-color:var(--gold);background:var(--goldp)}button.primary,.btn.primary{background:var(--gold);color:white;border-color:var(--gold)}button.dark,.btn.dark{background:var(--navy);color:white}button:disabled{opacity:.5;cursor:wait}button.small{padding:5px 10px;font-size:12px}.danger{color:var(--red)}h1,h2,h3,p{margin-top:0}h1{font-size:30px;line-height:1.35;letter-spacing:-.5px;margin-bottom:9px}h2{font-size:20px;margin-bottom:18px}h3{font-size:16px;margin-bottom:12px}.muted{color:var(--muted)}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--gold);margin-bottom:12px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;white-space:nowrap}.brandmark{width:35px;height:35px;display:grid;place-items:center;border:2px solid var(--gold);color:var(--gold);border-radius:50%;font-family:serif;font-size:20px;position:relative}.brand small{font-size:11px;font-weight:400;color:var(--muted);display:block;letter-spacing:1px}.sidebar{position:fixed;width:234px;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);z-index:20;padding:25px 18px;overflow:auto}.sidebar .brand{padding:0 6px 25px}.sidebar nav{margin-top:12px}.navtitle{color:#9aa2ae;font-size:11px;margin:23px 12px 10px;letter-spacing:1px}.navitem{display:flex;align-items:center;gap:10px;padding:10px 13px;border-radius:8px;margin:3px 0;color:#5c697a}.navitem:hover{background:var(--bg)}.navitem.active{color:var(--gold);background:var(--goldp);font-weight:600}.navicon{font-size:17px;width:23px;text-align:center}.sidebarfoot{margin-top:35px;padding:15px 12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.main{margin-left:234px}.topbar{height:75px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 36px;gap:20px}.topbar .right,.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.avatar{width:32px;height:32px;background:var(--goldp);color:var(--gold);border-radius:50%;display:grid;place-items:center;font-weight:700}.content{max-width:1480px;margin:0 auto;padding:34px 36px 80px}.pagehead{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;margin-bottom:25px}.pagehead p{color:var(--muted);max-width:760px}.card{background:white;border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:20px;box-shadow:0 2px 4px #162a4702}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid.two{grid-template-columns:repeat(2,1fr)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}.stat{padding:23px;border:1px solid var(--line);border-radius:11px;background:white}.stat strong{font-size:32px;font-weight:600;display:block;line-height:1.4;margin:8px 0}.stat small{font-size:11px;color:var(--muted)}.welcome{background:linear-gradient(120deg,#172c48,#2c435f);color:white;border:0;position:relative;overflow:hidden;padding:32px}.welcome:after{content:'';position:absolute;width:220px;height:220px;right:35px;top:-70px;border:1px solid #ffffff1a;border-radius:50%;box-shadow:0 0 0 40px #ffffff05,0 0 0 80px #ffffff04;pointer-events:none}.welcome p{color:#c1cbd7;max-width:650px}.welcome h2{font-size:25px}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}.toolbar input{flex:1;min-width:180px}.tag{padding:3px 9px;display:inline-block;border-radius:4px;font-size:11px;color:var(--gold);background:var(--goldp)}.tag.green{color:var(--green);background:#edf7f2}.tag.red{color:var(--red);background:#fff0ef}.tablewrap{overflow:auto}table{border-collapse:collapse;width:100%;white-space:nowrap}thead{color:#778397;background:#f7f8fa;font-size:12px}th,td{text-align:left;padding:14px 13px;border-bottom:1px solid var(--line);font-weight:400}td{max-width:320px;overflow:hidden;text-overflow:ellipsis}tbody tr:hover{background:#fcfbf8}td:first-child a{font-weight:600}input,select,textarea{border:1px solid #dfe3e9;border-radius:7px;background:white;padding:10px 12px;color:var(--navy);outline:none;width:100%}input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px #b5944912}input[type=checkbox]{width:auto;accent-color:var(--gold)}input[type=file]{font-size:12px}textarea{resize:vertical;min-height:120px}.formgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:19px 24px}.formfield.wide{grid-column:1/-1}label{display:block;font-weight:500;margin-bottom:7px}label em{color:var(--gold);font-style:normal}.formfield small{color:var(--muted)}.formfoot{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);display:flex;gap:10px}.empty{text-align:center;padding:55px 20px;color:var(--muted)}.empty .symbol{font-size:32px;color:#c8cdd6;margin-bottom:15px}.notice{padding:13px 16px;border-radius:7px;background:var(--goldp);color:#8a733e;border:1px solid #ece0c5;font-size:13px;margin:12px 0 20px}.notice.error{color:var(--red);background:#fff3f1;border-color:#f1d2cc}.detailgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.detailfield{border-bottom:1px solid var(--line);padding-bottom:15px}.detailfield dt{font-size:12px;color:var(--muted);margin-bottom:6px}.detailfield dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.detailfield.wide{grid-column:1/-1}.actions{display:flex;gap:9px;flex-wrap:wrap}.coursecover{height:130px;background:linear-gradient(130deg,#e9edf3,#f6f3e9);border-radius:8px;margin-bottom:18px;display:flex;align-items:center;padding:22px;color:var(--gold);font-size:13px;letter-spacing:1px}.coursecard h3{font-size:19px}.coursecard p{color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.split{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px}.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick a{border:1px solid var(--line);border-radius:8px;padding:17px 10px;text-align:center}.quick a:hover{border-color:var(--gold);background:var(--goldp)}.quick span{display:block;font-size:23px;margin-bottom:6px;color:var(--gold)}.listitem{display:flex;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}.listitem:last-child{border:0}.listitem p{margin:3px 0 0;color:var(--muted);font-size:12px}.login{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:white}.loginintro{background:var(--navy);padding:13vh 10%;color:white;display:flex;flex-direction:column;justify-content:center}.loginintro h1{font-size:44px;margin-top:55px}.loginintro p{color:#b8c4d3}.loginpanel{padding:13vh max(8%,30px);display:flex;justify-content:center;flex-direction:column}.loginpanel form{max-width:400px;width:100%}.loginpanel .formfield{margin-bottom:19px}.loginpanel h2{font-size:28px}.publicnav{display:flex;align-items:center;justify-content:space-between;padding:22px 6%;background:white;border-bottom:1px solid var(--line)}.publicnav nav{display:flex;gap:25px;align-items:center}.publicmain{max-width:1280px;margin:auto;padding:55px 30px}.hero{padding:60px 0 80px;max-width:900px}.hero h1{font-size:58px;line-height:1.3;margin:20px 0}.hero p{font-size:18px;color:var(--muted);margin-bottom:30px}.hero .eyebrow{letter-spacing:3px}.sectiontitle{display:flex;justify-content:space-between;align-items:baseline;margin-top:40px}.footer{padding:30px 6%;border-top:1px solid var(--line);background:white;color:var(--muted);font-size:12px}.chatlayout{max-width:900px;margin:auto}.chatintro{text-align:center;padding:28px 0}.chatintro h1{font-size:32px}.chatmessages{min-height:200px;max-height:55vh;overflow:auto}.bubble{padding:18px 21px;border-radius:10px;margin:15px 0;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.user{background:var(--goldp);margin-left:15%}.bubble.assistant{background:white;border:1px solid var(--line);margin-right:5%}.citation{font-size:12px;padding:12px;border-left:2px solid var(--gold);margin:12px 0;white-space:pre-wrap;color:var(--muted)}.composer{background:white;border:1px solid var(--line);border-radius:12px;padding:12px}.composer textarea{border:0;min-height:90px;box-shadow:none}.composer .row{justify-content:space-between}.composer select{width:auto;max-width:250px}.bottomnav{display:none}.mobilehead{display:none}.loading{text-align:center;padding:120px 20px;color:var(--muted)}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:12px 22px;border-radius:8px;z-index:100;display:none;box-shadow:0 8px 30px #172c4833;max-width:85vw}dialog{border:0;border-radius:14px;padding:28px;width:min(850px,92vw);max-height:85vh;box-shadow:0 20px 80px #172c4833}dialog::backdrop{background:#172c4877}dialog .modalhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.cataloggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.catalogitem{border:1px solid var(--line);border-radius:6px;padding:9px;font-size:12px}.catalogitem:hover{border-color:var(--gold);background:var(--goldp)}.code{font-family:monospace;font-size:11px;color:var(--gold)}.statusline{font-size:11px;color:var(--muted);margin-top:24px}video,audio{width:100%;margin:15px 0}pre{white-space:pre-wrap;word-break:break-word;font:inherit}button.link{border:0;background:none;padding:0;color:var(--gold)}.rowbetween{display:flex;justify-content:space-between;align-items:center;gap:15px}.calendarlist{display:grid;gap:12px}.caldate{width:64px;flex:none;text-align:center;background:var(--goldp);border-radius:8px;padding:7px;color:var(--gold)}.caldate strong{display:block;font-size:24px}.wideonly{display:block}.filelabel{font-size:12px;color:var(--muted);display:block;margin-top:5px}
@media(max-width:1100px){.grid{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.sidebar{width:205px}.main{margin-left:205px}.content{padding:26px 24px 80px}.topbar{padding:0 24px}.brand{font-size:16px}.wideonly{display:none}}
@media(max-width:760px){h1{font-size:25px}.sidebar{display:none}.main{margin-left:0}.topbar{height:64px;padding:0 18px}.content{padding:23px 16px 90px}.topbar .muted{font-size:12px}.pagehead{display:block}.pagehead .actions{margin-top:15px}.card{padding:19px}.grid,.grid.two,.formgrid,.detailgrid{grid-template-columns:1fr}.formfield.wide,.detailfield.wide{grid-column:auto}.stats{gap:10px}.stat{padding:15px}.stat strong{font-size:28px}.quick{grid-template-columns:repeat(4,1fr);gap:7px}.quick a{font-size:11px;padding:13px 4px}.quick span{font-size:20px}.bottomnav{position:fixed;inset:auto 0 0;display:grid;grid-template-columns:repeat(4,1fr);padding:10px 8px max(10px,env(safe-area-inset-bottom));background:#fffffff5;border-top:1px solid var(--line);z-index:25}.bottomnav a{text-align:center;font-size:11px;color:var(--muted)}.bottomnav a span{display:block;font-size:20px}.bottomnav a.active{color:var(--gold)}.login{display:block}.loginintro{padding:32px 25px 40px}.loginintro h1{font-size:30px;margin:25px 0 15px}.loginpanel{padding:32px 25px}.publicnav{padding:17px}.publicnav nav{gap:12px;font-size:12px}.publicnav nav .optional{display:none}.publicmain{padding:30px 20px}.hero{padding:30px 0 45px}.hero h1{font-size:38px}.hero p{font-size:15px}.cataloggrid{grid-template-columns:repeat(2,1fr)}.chatintro h1{font-size:26px}.chatmessages{max-height:45vh}.toolbar{gap:7px}.toolbar button{font-size:12px}.welcome{padding:23px}.welcome h2{font-size:23px}.tablewrap{margin:0 -8px}.footer{padding-bottom:90px}.composer select{max-width:190px}.stat small{font-size:10px}dialog{padding:20px}.topbar button{padding:6px 9px;font-size:12px}}

.brandimage{width:155px;height:55px;object-fit:contain;background:white;border-radius:3px}.brandcaption{font-size:10px;color:var(--gold);writing-mode:vertical-rl;letter-spacing:2px}.brand{gap:8px}.loginintro .brandimage{width:190px;height:68px}.sidebar .brandimage{width:150px;height:54px}@media(max-width:760px){.brandimage{width:128px;height:46px}.brandcaption{font-size:9px}}