:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#202720;background:#f4f2ec}
*{box-sizing:border-box}
body{margin:0}
header{height:76px;display:flex;align-items:center;padding:0 5vw;border-bottom:1px solid #dadcd5}
header a{color:#183f32;text-decoration:none;font:700 22px Georgia,serif;letter-spacing:.12em}
header span{font:8px sans-serif;color:#8a918b;letter-spacing:.15em}
main{width:min(1080px,calc(100% - 64px));margin:0 auto;padding:76px 0 120px}
main>h1,main>.summary,main>article,main>.meta{max-width:900px;margin-left:auto;margin-right:auto}
.meta{display:flex;gap:15px;align-items:center;color:#879088;font-size:12px}
.meta span{background:#dce9df;color:#183f32;padding:6px 10px}
.meta time:before{content:"·";margin-right:15px}
h1{font:500 clamp(38px,6vw,62px)/1.12 Georgia,"Songti SC",serif;letter-spacing:-.03em;margin:32px 0 20px}
.summary{font-size:20px;line-height:1.7;color:#6f7a72;border-bottom:1px solid #d8dad4;padding-bottom:45px}
article{padding-top:35px;font:18px/1.9 Georgia,"Songti SC",serif}
article h2{font-size:34px;margin-top:55px}
article h3{font-size:25px;margin-top:40px}
article blockquote{margin:35px 0;border-left:4px solid #d66b3d;padding:12px 28px;color:#59645c;background:#ebece6}
article a{color:#17604a}
article img{max-width:100%;height:auto}
article pre{overflow:auto;border:1px solid #d8dad4;border-radius:10px;background:#ebece6;padding:20px;font:14px/1.7 "SFMono-Regular",Consolas,monospace}
article code{border-radius:4px;background:#ebece6;padding:.15em .35em;font:14px "SFMono-Regular",Consolas,monospace}
article pre code{background:transparent;padding:0}
article table{width:100%;border-collapse:collapse;margin:28px 0;font:15px/1.6 Inter,"PingFang SC",sans-serif}
article th,article td{border:1px solid #d8dad4;padding:10px 12px;text-align:left}
footer{text-align:center;padding:30px;color:#929891;font-size:11px;letter-spacing:.08em;border-top:1px solid #daddd6}
.group-main{width:min(1180px,calc(100% - 64px));max-width:none}
.group-kicker{color:#6f7a72;font-size:11px;font-weight:700;letter-spacing:.16em}
.group-main>h1{max-width:800px}
.group-description{max-width:720px;margin:0;color:#6f7a72;font-size:20px;line-height:1.7}
.group-docs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:70px}
.group-doc{min-height:260px;display:flex;flex-direction:column;border:1px solid #d8dad4;background:#fffefb;padding:28px;color:#202720;text-decoration:none;transition:transform .2s,box-shadow .2s}
.group-doc:hover{transform:translateY(-2px);box-shadow:0 14px 40px #26392d14}
.group-doc>span{color:#879088;font-size:11px}
.group-doc h2{margin:35px 0 12px;font:500 28px/1.3 Georgia,"Songti SC",serif}
.group-doc p{margin:0;color:#6f7a72;line-height:1.7}
.group-doc strong{margin-top:auto;color:#183f32;font-size:12px}
.group-empty{grid-column:1/-1;padding:70px;border:1px dashed #cdd1ca;text-align:center}
.group-empty h2{font:500 26px Georgia,"Songti SC",serif}
.group-empty p{color:#6f7a72}
@media(max-width:700px){main,.group-main{width:calc(100% - 36px);padding-top:52px}.group-docs{grid-template-columns:1fr;margin-top:45px}}