:root{--bg:#f2f4f9;--card:#fff;--ink:#1d2733;--mute:#66727f;--line:#dde3f0;--brand:#0c4a6e;--brand2:#0284c7;--acc:#7dd3fc;--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,#082f49,#0c4a6e 60%,#0284c7);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-img{width:40px;height:40px;border-radius:8px;background:#fff;padding:2px;box-sizing:border-box}.logo-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--acc);color:#082f49;font:700 26px/1 Georgia,serif}
.logo-txt{font-weight:700;font-size:21px;line-height:1.1}.logo-tile{display:inline-flex;align-items:center;background:#fff;border-radius:10px;padding:5px 10px;box-shadow:0 1px 3px rgba(0,0,0,.25)}.logo-tile picture{display:block}.logo-img2{display:block;height:36px;width:auto;max-width:100%}@media(max-width:600px){.logo-tile{padding:4px 8px}.logo-img2{height:30px}}.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;flex-wrap:wrap;gap:2px 4px;flex:1;padding:4px 0}
.nav-links a{padding:7px 9px;white-space:nowrap;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:#e0f2fe;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:#e0f2fe;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}
}
.ad-slot{--c1:#0a1628;--c2:#0b3550;--c3:#0d5e78;--glow:56,189,248;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;position:relative;overflow:hidden;isolation:isolate;box-sizing:border-box;width:100%;min-width:0;margin-bottom:16px;padding:18px 14px;border-radius:12px;border:1px solid rgba(var(--glow),.28);background:linear-gradient(135deg,var(--c1),var(--c2) 55%,var(--c3));color:#e8f6ff;text-decoration:none;text-align:center;font-size:13px;box-shadow:0 1px 2px rgba(2,12,27,.25);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.ad-slot::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.55;background:radial-gradient(circle at 1px 1px,rgba(125,211,252,.35) 1px,transparent 1.6px) 0 0/22px 22px,linear-gradient(rgba(125,211,252,.08) 1px,transparent 1px) 0 0/44px 44px,linear-gradient(90deg,rgba(125,211,252,.08) 1px,transparent 1px) 0 0/44px 44px;animation:adGrid 18s linear infinite}
.ad-slot::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:45%;z-index:-1;background:linear-gradient(100deg,transparent,rgba(255,255,255,.13),transparent);transform:skewX(-18deg);animation:adShine 7s ease-in-out infinite}
.ad-slot:hover,.ad-slot:focus-visible{transform:translateY(-2px) scale(1.01);border-color:rgba(var(--glow),.75);box-shadow:0 0 0 1px rgba(var(--glow),.35),0 8px 28px rgba(var(--glow),.28);color:#fff;text-decoration:none;outline:none}
@keyframes adGrid{to{background-position:44px 44px,44px 44px,44px 44px}}
@keyframes adShine{0%,62%{left:-60%}100%{left:130%}}
@keyframes adPulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.7)}70%{box-shadow:0 0 0 8px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.ad-label{position:absolute;top:6px;right:8px;z-index:1;font-size:10px;line-height:1;padding:3px 5px;border-radius:4px;background:rgba(255,255,255,.88);color:#0b2a3c;font-weight:600;letter-spacing:.04em}
.ad-bt{display:flex;flex-direction:column;gap:3px;min-width:0}
.ad-bn{font-weight:700;font-size:15px;color:#fff;overflow-wrap:anywhere}.ad-bl{font-size:12.5px;color:#a5d8f3;overflow-wrap:anywhere}
.ad-cta{display:inline-block;padding:5px 12px;border-radius:999px;background:linear-gradient(90deg,#22d3ee,#38bdf8);color:#04202e;font-weight:700;font-size:12px;white-space:nowrap;box-shadow:0 0 12px rgba(34,211,238,.35)}
.ad-slot:hover .ad-cta{background:linear-gradient(90deg,#67e8f9,#7dd3fc)}
.ad-t{display:inline-flex;align-items:center;gap:8px;justify-content:center;font-weight:800;font-size:16px;letter-spacing:.08em;color:#fff}
.ad-dot{width:8px;height:8px;border-radius:50%;background:#34d399;animation:adPulse 2s infinite;flex:none}
.ad-m,.ad-m a{font-size:12.5px;color:#bfe6fb}.ad-id{font-size:11.5px;color:#8cc4e2;font-family:ui-monospace,Menlo,Consolas,monospace}
.ad-empty{--c1:#0b1230;--c2:#1e1b4b;--c3:#0e4f6e;--glow:129,140,248}
.ad-empty .ad-cta{background:linear-gradient(90deg,#a78bfa,#38bdf8);color:#0b1230}
.ad-note{font-size:10.5px;color:#8cc4e2;opacity:.95;max-width:100%;overflow-wrap:anywhere}
.ad-mono{display:inline-grid;place-items:center;min-width:52px;height:40px;padding:0 10px;border-radius:9px;background:rgba(255,255,255,.96);color:#0b4f6c;font:800 15px/1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.04em;margin:0 auto 4px}
.ad-img{flex-direction:row;flex-wrap:nowrap;gap:16px 22px;padding:14px 22px 10px;text-align:left}
.ad-pic{flex:0 0 auto;width:180px;aspect-ratio:3/2;border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.ad-pic img{display:block;width:100%;height:100%;object-fit:contain}
.ad-img .ad-bt{flex:1 1 auto;gap:8px;align-items:flex-start}
.ad-logo-tile{display:inline-flex;padding:8px 12px;border-radius:8px;background:#fff;max-width:100%;box-sizing:border-box}
.ad-logo{display:block;width:auto;height:auto;max-width:100%;max-height:48px}.ad-logo-dark{background:#0b0f19}
.ad-side .ad-img,.ad-half.ad-img{flex-direction:column;flex-wrap:nowrap;text-align:center;padding:30px 14px 12px}.ad-side .ad-pic,.ad-half .ad-pic{width:100%;max-width:320px}.ad-side .ad-img .ad-bt,.ad-half.ad-img .ad-bt{align-items:center;text-align:center;flex:none}
@media(max-width:600px){.ad-img{flex-direction:column;text-align:center;padding:16px 12px}.ad-pic{width:min(100%,320px)}.ad-img .ad-bt{align-items:center}}
.ad-banner{flex-direction:row;flex-wrap:wrap;gap:12px 22px;padding:16px 22px}.ad-banner .ad-bt{text-align:left;flex:1 1 220px}.ad-banner .ad-bn{font-size:17px}
.ad-half{flex-direction:row;flex-wrap:wrap;gap:8px 16px}.ad-half .ad-bt{text-align:left;flex:1 1 180px}
.ad-banner .ad-t,.ad-half .ad-t{justify-content:flex-start}
@media(max-width:600px){.ad-banner,.ad-half{flex-direction:column;text-align:center;padding:16px 12px}.ad-banner .ad-bt,.ad-half .ad-bt{text-align:center;flex:none}.ad-banner .ad-bn{font-size:15px}.ad-banner .ad-t,.ad-half .ad-t{justify-content:center}}
@media(prefers-reduced-motion:reduce){.ad-slot,.ad-slot::before,.ad-slot::after,.ad-dot{animation:none!important;transition:none!important}.ad-slot::after{display:none}.ad-slot:hover,.ad-slot:focus-visible{transform:none}}
.ad-banner{min-height:90px}.ad-half{min-height:60px}.ad-side{min-width:0}.ad-side .ad-slot{min-height:150px}
.ad-row{display:grid;grid-template-columns:1fr;gap:0 16px}
.ad-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}.ad-maincol{min-width:0}
@media(min-width:760px){.ad-row{grid-template-columns:1fr 1fr}}
@media(min-width:1280px){.ad-layout{grid-template-columns:minmax(0,1fr) 260px}.ad-side .ad-slot{min-height:220px}.ad-side .ad-slot[data-ad-slot="A4"]{min-height:320px}}
@media(max-width:759px){.ad-banner{min-height:70px}.ad-side .ad-slot{min-height:90px}}
.ad-maincol .grid{grid-template-columns:minmax(0,1fr)}
.adtbl{border-collapse:collapse;width:100%;font-size:14px}.adtbl th,.adtbl td{border:1px solid var(--line,#334);padding:6px 8px;text-align:left}
.card{container-type:inline-size}
.cat-row{display:grid;grid-template-columns:40px minmax(220px,2fr) minmax(0,1.5fr) auto;grid-template-areas:"icon main last stat";align-items:center;gap:6px 14px}
.cat-icon{grid-area:icon}.cat-main{grid-area:main;min-width:0}.cat-last{grid-area:last;width:auto;min-width:0}.cat-stat{grid-area:stat}
.cat-main,.cat-desc,.cat-last,.thread-main,.thread-title,.thread-meta,.post-content,.thread-head h1{overflow-wrap:anywhere;word-break:normal;min-width:0}
@container (max-width:640px){.cat-row{grid-template-columns:40px minmax(0,1fr) auto;grid-template-areas:"icon main stat" "icon last stat";align-items:start}.cat-last{display:block;padding-top:2px}}
@container (max-width:420px){.cat-last{display:none}}