:root{--bg:#f3f5f8;--card:#fff;--ink:#1d2733;--mute:#66727f;--line:#e3e8ee;--brand:#0b4f6c;--brand2:#127fa8;--acc:#ffb703;--r:8px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--brand2);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.top{background:linear-gradient(90deg,#08384d,#0b4f6c 60%,#11698e);color:#fff}
.top-in{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;color:#fff}.logo:hover{text-decoration:none}
.logo-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--acc);color:#08384d;font:700 26px/1 Georgia,serif}
.logo-txt{font-weight:700;font-size:21px;line-height:1.1}.logo-txt small{display:block;font-weight:400;font-size:12px;opacity:.8}
.userbox{display:flex;align-items:center;gap:12px;font-size:14px}.userbox a{color:#fff}
.btn,.search button,.mod button{display:inline-block;background:var(--acc);color:#1d2733;border:0;border-radius:6px;padding:6px 14px;font:600 14px/1.4 inherit;cursor:pointer}
.btn:hover{filter:brightness(.95);text-decoration:none}
.linkbtn{background:none;border:0;color:#fff;cursor:pointer;font:inherit;padding:0}.inline{display:inline}
.tag{display:inline-block;font-size:11px;padding:0 6px;border-radius:4px;background:#e8eef4;color:var(--brand);vertical-align:middle;margin-left:4px}
.tag.pin{background:#fff3cd;color:#8a5a00;margin:0}.tag.op{background:#dff3e4;color:#1d6b35}
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.nav-in{display:flex;align-items:center;gap:12px}
.nav-links{display:flex;gap:2px;overflow-x:auto;white-space:nowrap;flex:1;scrollbar-width:thin}
.nav-links a{padding:11px 9px;color:var(--ink);font-size:14px}.nav-links a:hover{color:var(--brand2);text-decoration:none;box-shadow:inset 0 -2px var(--brand2)}
.search{display:flex;gap:6px}.search input{width:190px;padding:6px 10px;border:1px solid var(--line);border-radius:6px;font:inherit}
main{padding:18px 16px 30px}
.hero{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin-bottom:16px}
.hero h1{margin:0 0 4px;font-size:22px}.hero p{margin:0;color:var(--mute)}
.hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:10px;font-size:14px;color:var(--mute)}.hero-stats b{color:var(--ink)}
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:980px){.grid{grid-template-columns:1.25fr 1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:16px}
.card.narrow{max-width:460px;margin:30px auto}
.card-h{padding:11px 16px;border-bottom:1px solid var(--line);font-weight:700;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;background:#fafbfc}
.card-h .sub{font-weight:400;font-size:13px;color:var(--mute)}
.cat-row,.thread-row{display:flex;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line)}
.cat-row:last-child,.thread-row:last-child{border-bottom:0}
.cat-icon{font-size:24px;width:40px;height:40px;display:grid;place-items:center;background:#eef4f8;border-radius:8px;flex:none}
.cat-main,.thread-main{flex:1;min-width:0}
.cat-name{font-weight:600;font-size:15.5px}.cat-desc{color:var(--mute);font-size:13px}
.cat-last{width:200px;font-size:12px;color:var(--mute);flex:none;overflow:hidden}
.cat-stat,.thread-stat{width:88px;text-align:right;font-size:12px;color:var(--mute);flex:none}.cat-stat b,.thread-stat b{color:var(--ink)}
.thread-title{font-weight:600;color:var(--ink)}.thread-title:hover{color:var(--brand2)}
.thread-meta{font-size:12.5px;color:var(--mute);margin-top:2px}
.cat-chip{background:#eef4f8;padding:0 6px;border-radius:4px;font-size:12px}
.breadcrumb{font-size:13px;color:var(--mute);margin-bottom:10px}
.thread-head{padding:16px;border-bottom:1px solid var(--line)}.thread-head h1{margin:0 0 6px;font-size:21px;line-height:1.35}
.thread-head .meta{font-size:13px;color:var(--mute)}
.mod{margin-top:8px;display:flex;gap:6px}.mod button{background:#e8eef4;font-size:12px;padding:3px 10px}
.post{display:flex;border-bottom:1px solid var(--line)}.post:last-child{border-bottom:0}
.post-side{width:150px;flex:none;padding:16px;background:#fafbfc;border-right:1px solid var(--line);text-align:center;font-size:13px}
.avatar{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:19px}
.post-author{font-weight:600;margin-top:6px;word-break:break-all}.post-role{color:var(--mute);font-size:12px}
.post-body{flex:1;min-width:0;padding:14px 18px}
.post-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--mute);margin-bottom:8px}.floor{color:var(--mute)}
.post-content{overflow-wrap:anywhere;font-size:15px;line-height:1.75}
.form{padding:16px;display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:600}
.form input,.form textarea,.form select{font:inherit;font-weight:400;padding:8px 10px;border:1px solid #cfd8e1;border-radius:6px;width:100%;background:#fff}
.form textarea{resize:vertical}.form-row{display:flex;gap:8px}.hint{font-size:13px;color:var(--mute)}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.notice{padding:8px 12px;border-radius:6px;font-size:14px}.notice.err{background:#fde8e8;color:#9b1c1c}
.empty{padding:20px 16px;color:var(--mute);text-align:center}
.pager{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 16px}.pager a,.pager span{padding:4px 11px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:13px}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}
footer{border-top:1px solid var(--line);background:#fff;padding:18px 0 24px;font-size:13px;color:var(--mute)}
.friends{display:flex;flex-wrap:wrap;gap:6px 16px;margin-bottom:8px}.friends span{font-weight:600;color:var(--ink)}
@media(max-width:760px){
 .logo-txt small{display:none}.nav-in{flex-direction:column;align-items:stretch;gap:0}.search{padding:0 0 8px}.search input{flex:1;width:auto}
 .cat-last{display:none}.cat-stat,.thread-stat{width:70px}
 .post{flex-direction:column}.post-side{width:auto;display:flex;align-items:center;gap:10px;text-align:left;border-right:0;border-bottom:1px solid var(--line);padding:10px 14px}
 .avatar{width:34px;height:34px;font-size:15px}.post-author{margin:0}.post-body{padding:12px 14px}
}