:root{--green:#14573e;--dark:#143d2e;--gold:#a37528;--paper:#fff;--bg:#f4f6f1;--soft:#edf3eb;--ink:#203d30;--muted:#66756b;--line:#dfe7de;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 "Microsoft YaHei","PingFang SC",sans-serif}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b78531;outline-offset:3px}button{color:inherit}h1,h2,h3,p{margin:0}h1,h2,h3,strong{font-weight:600}.wrap{max-width:1440px;margin:auto}.sr,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{display:block;background:#fff;padding:10px}.mast{display:flex;gap:28px;align-items:center;background:var(--paper);padding:24px 30px}.brand{display:flex;gap:18px;align-items:center;flex-shrink:0}.brand:hover{text-decoration:none}.brand img{width:102px;height:60px;object-fit:contain}.brand span{padding-left:18px;border-left:1px solid var(--line);font-size:14px}.brand small{display:block;font-size:11px;letter-spacing:1.5px;color:var(--muted);margin-top:3px}.global-search{display:flex;flex:1;border:1px solid var(--line);border-radius:6px;background:var(--bg);overflow:hidden;min-width:140px}.global-search input{width:100%;min-width:0;padding:11px 14px;background:none;border:0;color:var(--ink);font-size:14px}.global-search button{border:0;background:none;color:var(--green);padding:9px 15px;white-space:nowrap}.mast-tools{display:flex;gap:18px;align-items:center;white-space:nowrap;font-size:13px}.account-link{border:1px solid var(--line);border-radius:4px;padding:8px 12px}.main-nav{display:flex;gap:5px;background:var(--paper);border-bottom:1px solid var(--line);padding:0 30px;position:relative;z-index:10}.nav-item{position:relative;flex:1}.nav-link{display:block;padding:14px 5px;text-align:center;white-space:nowrap;border-bottom:3px solid transparent}.nav-link.active{border-color:var(--green);font-weight:600}.nav-query{align-self:center;padding:8px 16px;margin-left:12px;border-radius:4px;background:var(--green);color:white;white-space:nowrap}.dropdown{display:none;position:absolute;left:0;top:100%;width:230px;background:var(--paper);border:1px solid var(--line);box-shadow:0 12px 26px #183d3020;padding:10px;border-radius:0 0 7px 7px}.nav-item:nth-last-child(-n+3) .dropdown{right:0;left:auto}.dropdown a{display:block;padding:8px 10px;border-radius:4px;font-size:14px}.dropdown a:hover{background:var(--soft)}.nav-item:focus-within .dropdown{display:block}@media(hover:hover){.nav-item:hover .dropdown{display:block}}
.latest{background:#fff;padding:17px 30px 20px;border-bottom:1px solid var(--line)}.latest-heading,.latest-heading>div{display:flex;align-items:center;gap:10px}.latest-heading{justify-content:space-between;margin-bottom:10px}.latest-heading h2{font-size:19px}.latest-heading>a{font-size:13px}.latest-caption{font-size:12px;color:var(--muted);margin-left:8px}.live-dot{width:8px;height:8px;background:var(--green);border-radius:50%}.ticker-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:30px}.ticker-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid #edf0e9;min-width:0}.ticker-row a{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500}.ticker-row time{font-size:12px;color:var(--muted)}.tag{font-size:11px;border:1px solid var(--line);border-radius:3px;padding:0 6px;white-space:nowrap;color:var(--muted)}.tag.pin{color:#8e5423;background:#fff6e6;border-color:#ead7b8}.loading{color:var(--muted);font-size:13px}.latest-refresh{font-size:12px;color:var(--muted)}
.layout{display:grid;grid-template-columns:224px minmax(0,1fr)}.sidebar{background:var(--paper);border-right:1px solid var(--line);padding:22px 17px}.side-title{padding:0 10px 13px;display:flex;justify-content:space-between;font-weight:600}.side-title span{font-size:11px;color:var(--muted);font-weight:400}.side-group{padding:11px 0;border-top:1px solid var(--line)}summary{cursor:pointer;font-size:14px;font-weight:600;padding:5px 10px;list-style:none;display:flex;justify-content:space-between}summary::after{content:'＋';font-weight:400}details[open] summary::after{content:'−'}.side-group a{display:flex;justify-content:space-between;padding:7px 10px;color:var(--muted);font-size:13px;border-radius:4px}.side-group a:hover{background:var(--soft);text-decoration:none;color:var(--green)}.side-group em{font-style:normal;color:var(--gold);font-size:11px}.side-note{margin-top:15px;padding:13px 10px;background:var(--soft);font-size:12px;color:var(--muted)}.side-note a{display:block;margin-top:6px}.main{padding:28px;min-width:0}.intro{display:flex;justify-content:space-between;gap:20px;align-items:center;background:var(--dark);color:#fff9e8;padding:26px 28px;border-radius:8px}.intro h1{font-family:"SimSun",serif;font-size:32px;font-weight:500;letter-spacing:1px}.intro p{font-size:13px;color:#d5e6d6;margin-top:6px}.intro .intro-link{white-space:nowrap;display:block;color:#f1d18e;border:1px solid #749f87;padding:8px 14px;border-radius:4px;font-size:13px}.quick{display:grid;grid-template-columns:repeat(4,1fr);background:white;border:1px solid var(--line);border-radius:6px;margin:13px 0 25px}.quick a{padding:17px 8px;text-align:center;border-right:1px solid var(--line);font-size:14px}.quick a:last-child{border:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 13px}.section-heading h2{font-size:22px;font-weight:500}.section-heading small{font-size:12px;color:var(--muted)}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.chips a,.chips button{display:block;padding:6px 12px;border:1px solid var(--line);border-radius:4px;background:#fff;font-size:13px}.chips .selected{background:var(--dark);color:#fff;border-color:var(--dark)}.projects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.project{background:white;border:1px solid var(--line);border-radius:7px;overflow:hidden}.project-band{display:flex;justify-content:space-between;gap:14px;padding:20px 22px 14px;background:var(--soft)}.project-band small{font-size:12px;color:var(--muted)}.project-band h3{font-size:22px;font-weight:500;margin-top:4px}.project-mark{font:36px/1.3 Georgia,"SimSun",serif;color:var(--gold)}.project-body{padding:16px 22px}.project-body p{font-size:14px;color:var(--muted);min-height:46px}.actions{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:16px}.actions a{font-size:13px}.bottom{margin-top:28px;padding-top:18px;border-top:2px solid var(--green)}.bottom .entry-grid{margin-top:15px}.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.entry{display:block;background:#fff;border:1px solid var(--line);padding:20px;border-radius:6px}.entry strong{font-size:17px;font-weight:500;display:block}.entry small{display:block;font-size:13px;color:var(--muted);margin-top:6px}.entry:hover{border-color:#8ca993;text-decoration:none}.crumb{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:18px}.page-heading{font-family:"SimSun",serif;font-size:32px;font-weight:500;margin:0 0 10px}.page-intro{font-size:14px;color:var(--muted);margin:0 0 23px;max-width:850px}.tip{padding:15px 18px;background:white;border-left:3px solid var(--gold);font-size:13px;color:var(--muted);margin-top:23px}.footer{border-top:1px solid var(--line);padding:24px 30px;background:white;display:flex;justify-content:space-between;gap:25px;font-size:12px;color:var(--muted)}.footer strong{font:25px "KaiTi",serif;color:var(--green)}.footer a{margin-right:17px}.footer p{margin-top:9px}.mobile-toggle{display:none}.empty{padding:30px;background:white;border:1px solid var(--line);border-radius:6px;color:var(--muted)}
.news-search{display:flex;gap:10px;margin:20px 0 18px}.news-search input{flex:1;min-width:0;background:white;border:1px solid var(--line);padding:11px 14px;border-radius:5px}.news-search button,.primary{padding:10px 19px;background:var(--green);color:white;border:1px solid var(--green);border-radius:5px;white-space:nowrap}.news-count{font-size:13px;color:var(--muted);margin:5px 0 12px}.news-row{padding:21px 22px;background:white;border:1px solid var(--line);border-radius:6px;margin-bottom:12px}.news-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:7px}.news-row h2{font-size:20px;font-weight:500;margin:0 0 7px}.news-row p{font-size:14px;color:var(--muted)}.news-more{display:inline-block;font-size:13px;margin-top:9px}.pager{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.pager a{padding:6px 12px;border:1px solid var(--line);border-radius:4px;background:white}.pager a[aria-current=page]{background:var(--green);color:white}.article{background:white;padding:30px;border:1px solid var(--line);border-radius:7px}.article h1{font-size:28px;font-weight:500;line-height:1.45;margin-bottom:14px}.article p{margin:18px 0;line-height:1.9}.article-links{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.article-links a{display:block;padding:10px 16px;border:1px solid var(--line);border-radius:4px;background:var(--soft)}.article-note{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}.result-title{font-size:20px;font-weight:500;margin:25px 0 13px}.update-status{font-size:12px;color:var(--muted);margin-bottom:10px}.project.filtered{display:none}[hidden]{display:none!important}.fallback{padding:20px}
@media(min-width:1600px){body{background:#ecf0e9}.wrap{max-width:1540px}.layout{grid-template-columns:240px minmax(0,1fr)}}
@media(max-width:1100px){.mast{gap:16px;padding:20px}.brand span{display:none}.mast-tools{gap:12px}.main-nav{padding:0 20px;font-size:14px}.layout{grid-template-columns:200px minmax(0,1fr)}.main{padding:22px}.sidebar{padding:20px 12px}.intro{padding:24px}.intro h1{font-size:27px}.project-band,.project-body{padding-left:17px;padding-right:17px}.project-band h3{font-size:19px}.intro-link{display:none!important}.latest{padding-left:20px;padding-right:20px}}
@media(max-width:760px){.mast{flex-wrap:wrap;padding:15px;gap:12px;justify-content:space-between}.brand img{width:88px;height:48px}.global-search{order:3;flex-basis:100%}.global-search input{font-size:16px}.main-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:0 14px}.nav-link{padding:10px 3px;min-height:44px;font-size:14px}.nav-query{grid-column:1/-1;margin:8px 0 12px;text-align:center}.dropdown{display:none!important}.latest{padding:16px 15px}.latest-heading h2{font-size:18px}.latest-caption{display:none}.ticker-grid{grid-template-columns:1fr}.ticker-row{padding:10px 0;gap:8px}.ticker-row a{font-size:14px}.ticker-row time{font-size:11px}.layout{display:block}.mobile-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:13px 16px;border:0;border-bottom:1px solid var(--line);background:var(--soft);font-size:14px}.sidebar{display:none;border:0;border-bottom:1px solid var(--line)}.layout.menu-open .sidebar{display:block}.side-group a{min-height:44px}.main{padding:16px}.intro{padding:22px}.intro h1{font-size:25px}.quick a{font-size:12px;padding:14px 3px}.quick{margin-bottom:22px}.section-heading h2{font-size:21px}.section-heading small{display:none}.projects,.entry-grid{grid-template-columns:1fr}.project-band h3{font-size:21px}.project-body p{min-height:0}.project-body{padding-top:15px;padding-bottom:15px}.actions a{min-height:32px;display:flex;align-items:center}.chips{gap:7px}.chips a,.chips button{padding:7px 10px}.page-heading{font-size:27px}.article{padding:20px}.article h1{font-size:24px}.news-row{padding:18px}.news-row h2{font-size:18px}.news-meta{font-size:11px}.footer{flex-direction:column;padding:22px 18px;gap:12px}.footer a{display:inline-block;margin-bottom:6px}.article-links{flex-direction:column}.news-search button{padding:10px 14px}.latest .ticker-row:nth-child(n+5){display:none}}
@media(pointer:coarse){.actions a,.chips a,.chips button,.mast-tools a,.pager a{min-height:44px;display:inline-flex;align-items:center}}
.teacher-query{display:flex;gap:28px;align-items:center;flex-wrap:wrap;padding:24px;background:#fff;border:1px solid var(--line);border-radius:8px;margin-top:20px}.teacher-query img{max-width:100%;height:auto;flex:none}.teacher-query>div{flex:1;min-width:220px}.teacher-query h2{font-size:21px}.teacher-query p{line-height:1.8;color:var(--muted)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.teacher-query .primary{display:inline-block;margin:12px 0;white-space:normal}