:root{--bg:#eef0f6;--card:#fff;--ink:#111827;--mute:#64748b;--line:#d5d9e6;--brand:#312e81;--brand2:#4f46e5;--acc:#22d3ee;--r:8px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans SC","PingFang SC",sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand2);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.top{background:linear-gradient(90deg,#0f172a,#1e1b4b 50%,#312e81);color:#fff}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;min-height:56px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}.logo:hover{text-decoration:none;opacity:.95}
.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:#0f172a;font:700 18px/1 ui-sans-serif,system-ui,sans-serif}
.logo-img2{display:block;height:48px;width:auto;max-width:185px}.logo-tile{display:inline-flex;background:#fff;border-radius:10px;padding:4px 8px;box-shadow:0 1px 2px rgba(0,0,0,.12)}
.logo-txt{display:flex;flex-direction:column;line-height:1.15}.logo-txt small{opacity:.85;font-size:12px;font-weight:500;max-width:320px}
.userbox{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.userbox a{color:#fff}.hello{font-size:13px;opacity:.95}
.btn,.search button,.mod button{display:inline-block;background:var(--acc);color:#0f172a;border:0;border-radius:6px;padding:6px 14px;font:600 14px/1.4 inherit;cursor:pointer}
.btn:hover,.search button:hover,.mod button:hover{filter:brightness(1.05)}.linkbtn{background:transparent;border:0;color:#fff;cursor:pointer;text-decoration:underline;font:inherit;padding:0}
.tag{display:inline-block;font-size:11px;padding:0 6px;border-radius:4px;background:#e0e7ff;color:var(--brand);vertical-align:middle;margin-left:4px}
.tag.pin{background:#fef3c7;color:#92400e;margin:0}.tag.op{background:#d1fae5;color:#065f46}
.nav{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 0;overflow:auto}
.nav-links{display:flex;gap:2px;flex-wrap:nowrap}
.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;flex:none}.search input{width:160px;max-width:28vw;border:1px solid var(--line);border-radius:6px;padding:6px 8px;font:inherit;background:#fff}
main.wrap{padding:18px 16px 48px}
.hero{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin-bottom:16px}
.hero h1{margin:0 0 6px;font-size:22px}.hero p{margin:0;color:var(--mute)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:12px;font-size:14px}.hero-stats b{font-size:18px}
.grid{display:grid;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:16px}
.card-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);font-weight:700}.card-h .sub{font-weight:400;font-size:13px;color:var(--mute)}
.cat-row,.thread-row{display:grid;grid-template-columns:44px 1fr minmax(140px,220px) 90px;gap:10px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.cat-row:last-child,.thread-row:last-child{border-bottom:0}
.cat-icon{font-size:26px;text-align:center}.cat-name{font-weight:700;color:var(--ink)}.cat-name:hover{color:var(--brand2)}
.cat-desc,.cat-last,.thread-meta,.cat-stat,.thread-stat{font-size:13px;color:var(--mute)}.cat-stat,.thread-stat{text-align:right}
.thread-title{font-weight:600;color:var(--ink)}.thread-title:hover{color:var(--brand2)}
.cat-chip{display:inline-block;font-size:12px;padding:1px 6px;border-radius:4px;background:#e0e7ff;color:var(--brand)}
.empty{padding:24px;color:var(--mute);text-align:center}
.breadcrumb{font-size:13px;color:var(--mute);margin-bottom:10px}
.thread-head{padding:16px 18px 8px}.thread-head h1{margin:0 0 6px;font-size:22px}.thread-head .meta{font-size:13px;color:var(--mute)}
.post{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:16px 18px;border-top:1px solid var(--line)}
.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-meta{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--mute);margin-bottom:6px}
.post-author{font-weight:700;color:var(--ink)}.post-role{font-size:12px}
.post-body{overflow-wrap:anywhere;word-break:break-word}
.mod{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.mod button{background:#f8fafc;color:var(--ink);border:1px solid var(--line)}
.form{display:grid;gap:10px;padding:16px 18px}.form label{display:grid;gap:4px;font-size:13px;font-weight:600}
.form input,.form select,.form textarea{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:6px;width:100%;background:#fff}
.form textarea{min-height:140px;resize:vertical}.form .row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.notice{padding:10px 12px;border-radius:6px;margin-bottom:12px;font-size:14px}.notice.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.notice.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.pager{display:flex;flex-wrap:wrap;gap:6px;padding:12px 14px;align-items:center}
.pager a,.pager span{display:inline-block;min-width:32px;text-align:center;padding:4px 8px;border-radius:6px;border:1px solid var(--line);background:#fff;color:var(--ink);text-decoration:none}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}
footer{border-top:1px solid var(--line);padding:22px 0 36px;margin-top:8px;background:#e8eaf5;color:var(--mute);font-size:13px}
.friends{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px}.friends a{color:var(--brand2)}
.copy{margin:4px 0;line-height:1.6}.copy a{color:var(--brand2)}
.info h2{margin:18px 0 8px;font-size:18px}.info p,.info li{color:var(--ink)}.info ul{padding-left:1.2em}
.ad-layout{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:start}
@media(max-width:860px){.ad-layout{grid-template-columns:1fr}.cat-row,.thread-row{grid-template-columns:40px 1fr}.cat-last,.cat-stat,.thread-stat{display:none}.logo-txt small{display:none}.search input{width:110px}}

.ad-slot{--c1:#0f172a;--c2:#1e1b4b;--c3:#312e81;--glow:34,211,238;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(34,211,238,.35) 1px,transparent 1.6px) 0 0/22px 22px,linear-gradient(rgba(34,211,238,.08) 1px,transparent 1px) 0 0/44px 44px,linear-gradient(90deg,rgba(34,211,238,.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:#312e81;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:#a5f3fc;overflow-wrap:anywhere}
.ad-cta{display:inline-block;padding:5px 12px;border-radius:999px;background:linear-gradient(90deg,#4f46e5,#22d3ee);color:#0f172a;font-weight:700;font-size:12px;white-space:nowrap;box-shadow:0 0 12px rgba(37,99,235,.35)}
.ad-slot:hover .ad-cta{background:linear-gradient(90deg,#6366f1,#67e8f9)}
.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:#e9e0f5}.ad-id{font-size:11.5px;color:#ddd6fe;font-family:ui-monospace,Menlo,Consolas,monospace}
.ad-empty{--c1:#1c1917;--c2:#4a3f55;--c3:#7c6a9a;--glow:196,181,214}
.ad-empty .ad-cta{background:linear-gradient(90deg,#2dd4bf,#0891b2);color:#0f172a}
.ad-note{font-size:10.5px;color:#ddd6fe;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:#6b5b7a;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="S5"]{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}}