:root{--ink:#183c4d;--muted:#61747e;--line:#dbe4e7;--green:#267260;--navy:#153e50;--paper:#f5f7f6;font:16px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}h1,h2,h3,p{margin:0 0 12px}h1{font-size:32px;line-height:1.4}h2{font-size:19px}h3{font-size:19px}button,input,select{font:inherit}button,.button{border:1px solid #c8d6dc;background:white;color:var(--ink);padding:9px 15px;border-radius:5px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:12px;line-height:1.45;font-size:14px}button:hover,.button:hover{background:#edf4f0}button:disabled{cursor:wait;opacity:.55}.primary{background:var(--navy);color:white;border-color:var(--navy)}.primary:hover{background:#24576d}a{color:#1a657f;text-underline-offset:3px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #c59944;outline-offset:3px}.skip{position:absolute;top:-80px;padding:12px;background:white;z-index:99}.skip:focus{top:0}.header{display:flex;align-items:center;padding:20px 36px;gap:40px;background:white;border-bottom:1px solid var(--line)}.brand{font-size:21px;font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}.brand span{font-size:16px;font-weight:500;padding-left:15px;margin-left:15px;border-left:1px solid var(--line)}nav{display:flex;gap:25px}nav a{color:var(--muted);text-decoration:none;font-size:14px}nav a[aria-current]{color:var(--green);font-weight:650}.identity{display:flex;align-items:center;gap:18px;margin-left:auto;font-size:13px}.identity form{margin:0}.link-button{border:0;padding:3px;background:transparent;color:var(--muted);font-size:13px}.header-note{margin-left:auto;color:var(--muted);font-size:13px}.main{max-width:1240px;margin:auto;padding:38px 36px 70px}.eyebrow{font-size:12px;font-weight:650;color:var(--green);letter-spacing:.13em;margin-bottom:9px}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.page-heading p{margin:7px 0 0;font-size:14px}.muted{color:var(--muted)}.small{font-size:12px}.pill{font-size:12px;background:#eaf1ed;border:1px solid #d4e3db;padding:6px 12px;border-radius:30px;white-space:nowrap}.overview{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;gap:0;margin-bottom:25px}.overview>div{flex:1;padding:0 25px;border-left:1px solid var(--line)}.overview>div:first-child{padding-left:0;border-left:0}.overview span{display:block;font-size:12px;color:var(--muted)}.overview strong{font-size:29px;font-weight:600}.filter-bar{display:flex;gap:15px;align-items:flex-end;padding:19px;background:white;border:1px solid var(--line);border-radius:7px;margin-bottom:26px}.filter-bar label{font-size:12px;color:var(--muted);width:170px}.filter-bar .search-label{flex:1;width:auto}input,select{display:block;width:100%;border:1px solid #b9cbd3;background:white;border-radius:4px;color:var(--ink);padding:9px 11px;margin-top:6px;font-size:14px;min-height:41px}.section-row{display:flex;justify-content:space-between;gap:15px;align-items:center;margin:23px 0 13px}.section-row h2,.section-row p{margin:0}.course{background:white;border:1px solid var(--line);border-radius:7px;margin:12px 0;overflow:hidden}.course-main{display:grid;grid-template-columns:minmax(0,1fr) 205px;gap:35px;padding:25px}.course-title{color:var(--ink);text-decoration:none;font-size:20px;font-weight:650;line-height:1.5;display:block}.course-title:hover{text-decoration:underline}.subtitle{color:var(--muted);font-size:14px;margin:8px 0 13px}.meta{display:flex;gap:8px 17px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.tag{background:#edf3f5;border-radius:3px;padding:2px 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#b6c7ce;border-radius:7px;text-align:center;padding:35px;color:var(--muted)}.login-panel{max-width:620px;background:white;margin:50px auto;padding:42px;border:1px solid var(--line);border-radius:9px}.login-panel h1{font-size:31px}.lead{font-size:16px;color:var(--muted);margin-top:16px}.login-divider{height:1px;background:var(--line);margin:30px 0}.login-panel h2{font-size:19px}.wide{width:100%;justify-content:space-between;margin-top:13px}.tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);margin-bottom:25px}.tabs button{border:0;background:transparent;border-bottom:3px solid transparent;border-radius:0;padding:12px 5px}.tabs button[aria-selected=true]{border-bottom-color:var(--green);color:var(--green);font-weight:650}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:6px;margin-bottom:15px;background:white}table{border-collapse:collapse;width:100%;font-size:13px;min-width:720px}th,td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:#eaf0f2;font-weight:600;white-space:nowrap}td{max-width:340px;overflow-wrap:anywhere}tr:last-child td{border-bottom:0}td small{display:block;color:var(--muted);font-size:11px;margin-top:4px}td button{padding:5px 10px;font-size:12px}.account-intro{display:flex;gap:25px;align-items:center;justify-content:space-between;margin:25px 0}.account-intro p{font-size:14px;max-width:630px}.button-row{display:flex;gap:9px;flex-shrink:0}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:12px 19px;border-radius:6px;box-shadow:0 5px 20px #153e5020;z-index:90;max-width:90vw;font-size:14px}[hidden]{display:none!important}.error{color:#9b3a31}
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.search-result{background:#fff;border:1px solid var(--line,#dce3e8);padding:22px 24px;border-radius:10px;margin:12px 0}.search-result>a{font-weight:650;font-size:17px;color:#173c56}.search-result p{font-size:14px;line-height:1.8;color:#405567;margin:10px 0}.search-result small{color:#667786}