:root{
  --primary:#0f6e56;
  --primary-strong:#084b3c;
  --evidence:#0c447c;
  --ink:#17211d;
  --muted:#69736e;
  --line:#dce3df;
  --bg:#f5f7f6;
  --surface:#fff;
  --soft:#e6f3ee;
  --shadow:0 10px 28px rgba(19,49,39,.07);
}
*{box-sizing:border-box;letter-spacing:0;-webkit-tap-highlight-color:transparent}
html,body{width:100%;max-width:100%;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
.topbar{position:sticky;top:0;z-index:20;height:64px;padding:0 max(20px,calc((100vw - 1120px)/2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{min-width:0;display:flex;align-items:center;gap:10px}.brand img{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;background:#fff;object-fit:cover}.brand span{display:flex;flex-direction:column;line-height:1.25}.brand strong{font-size:15px;color:var(--primary-strong)}.brand small{margin-top:2px;color:var(--muted);font-size:10px}
.topnav{display:flex;align-items:center;gap:4px;margin-left:auto}.topnav a{padding:7px 9px;border-radius:7px;color:#405049;font-size:13px}.topnav a:hover{background:var(--soft);color:var(--primary-strong)}
.account-link{height:38px;max-width:190px;padding:0 11px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--primary-strong);display:inline-flex;align-items:center;gap:6px;font-weight:650;white-space:nowrap}.account-link .ti{font-size:18px;color:var(--primary);flex:0 0 auto}.account-link span{min-width:0;max-width:140px;overflow:hidden;text-overflow:ellipsis}.account-link.is-authenticated{background:var(--soft)}
main{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:38px 0 70px}
.page-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:24px;align-items:stretch;padding:18px 0 30px}
.kicker,.section-kicker{color:var(--primary);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.page-hero h1{margin:8px 0 12px;font-size:42px;line-height:1.14;color:var(--primary-strong)}.page-hero p{margin:0;color:#4f5d57;font-size:16px;max-width:760px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.primary,.secondary{min-height:42px;padding:0 15px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750}.primary{background:var(--primary);color:#fff}.secondary{background:#fff;border:1px solid var(--line);color:var(--primary-strong)}
.summary-panel{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:8px 18px}.summary-panel div{padding:14px 0;border-bottom:1px solid var(--line)}.summary-panel div:last-child{border-bottom:0}.summary-panel b{display:block;margin-bottom:4px;color:var(--primary-strong)}.summary-panel span{color:var(--muted);font-size:13px}
.section{padding:32px 0;border-top:1px solid var(--line)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:16px}.section h2{margin:4px 0 4px;font-size:25px;color:var(--ink)}.section p{margin:0;color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.card{min-height:160px;padding:19px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column}.card i{width:42px;height:42px;border-radius:9px;background:var(--soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:23px}.card b{margin-top:14px;font-size:17px;color:var(--primary-strong)}.card span{margin-top:6px;color:var(--muted);font-size:13px;line-height:1.55}.card em{margin-top:auto;color:var(--primary);font-size:12px;font-weight:800;font-style:normal}.card.blue i{background:#eef4fb;color:var(--evidence)}
.notice{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px}.notice i{font-size:26px;color:var(--evidence)}.notice b{display:block;color:var(--primary-strong)}.notice span{display:block;margin-top:4px;color:var(--muted)}
.community-app{width:min(1180px,calc(100% - 40px));padding-top:28px}.community-shell{display:grid;grid-template-columns:280px minmax(0,1fr);gap:18px;align-items:start}.community-sidebar{position:sticky;top:84px}.community-title{padding:18px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow)}.community-title h1{margin:4px 0;font-size:28px;color:var(--primary-strong)}.community-title p{margin:0;color:var(--muted)}
.category-list{display:grid;gap:8px;margin-top:12px}.category-btn{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:9px;background:#fff;text-align:left;color:var(--ink);cursor:pointer;display:grid;gap:3px}.category-btn b{font-size:14px;color:var(--primary-strong)}.category-btn span{color:var(--muted);font-size:12px}.category-btn.active{border-color:#9fc7b8;background:var(--soft)}.category-btn:hover{border-color:#b8ccc4}
.rule-box{margin-top:12px;padding:15px;border:1px solid var(--line);border-radius:10px;background:#fff}.rule-box b{display:block;color:var(--primary-strong)}.rule-box span{display:block;margin-top:5px;color:var(--muted);font-size:12px;line-height:1.55}
.discussion-main{min-width:0}.discussion-toolbar{padding:18px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:16px}.discussion-toolbar h2{margin:3px 0 0;font-size:24px;color:var(--primary-strong)}.toolbar-actions{display:flex;align-items:center;gap:10px}.search-box{height:40px;min-width:220px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;display:flex;align-items:center;gap:7px;color:var(--muted)}.search-box input{width:100%;border:0;outline:0;font:inherit;color:var(--ink)}.small{min-height:40px;padding:0 13px}
.composer,.thread-detail,.thread-card,.reply-card{margin-top:12px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow)}.composer{padding:18px}.composer.hidden,.thread-detail.hidden,.hidden{display:none!important}.composer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.composer-head b{color:var(--primary-strong);font-size:16px}.icon-btn{width:34px;height:34px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.composer label{display:block;margin-top:10px;margin-bottom:5px;color:var(--primary-strong);font-weight:700}.composer input,.composer textarea,.reply-editor textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 11px;background:#fff;color:var(--ink);font:inherit;outline:0;resize:vertical}.composer input:focus,.composer textarea:focus,.reply-editor textarea:focus{border-color:#91bfae}.composer-actions{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:12px}.composer-actions span{color:var(--muted);font-size:12px}
.thread-list{display:grid;gap:10px;margin-top:12px}.thread-card{padding:16px;cursor:pointer}.thread-card:hover{border-color:#aacabe}.thread-meta,.post-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:12px}.thread-meta b,.post-meta b{color:var(--primary-strong)}.thread-card h3{margin:8px 0 5px;font-size:18px;color:var(--ink)}.thread-card p{margin:0;color:#4f5d57;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.tag-row span{padding:2px 7px;border-radius:999px;background:#eef4fb;color:var(--evidence);font-size:12px}.empty-state{margin-top:12px;padding:30px;border:1px dashed #c9d5d0;border-radius:10px;background:#fff;text-align:center;color:var(--muted)}
.thread-detail{padding:18px}.detail-back{margin-bottom:12px;border:0;background:transparent;color:var(--primary);font-weight:800;cursor:pointer}.thread-detail h2{margin:6px 0 8px;font-size:25px;color:var(--primary-strong)}.thread-body,.post-body{white-space:pre-wrap;color:#33413b}.reply-list{display:grid;gap:10px;margin-top:16px}.reply-card{box-shadow:none;padding:14px}.reply-editor{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.reply-editor textarea{min-height:96px}.reply-editor .composer-actions{margin-top:10px}.login-note{padding:14px;border:1px solid var(--line);border-radius:9px;background:#f9faf9;color:var(--muted)}.login-note a{color:var(--primary);font-weight:800}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:50;max-width:min(420px,calc(100% - 32px));padding:10px 14px;border-radius:9px;background:#17211d;color:#fff;box-shadow:0 12px 30px rgba(0,0,0,.18);font-size:13px}
.footer{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:24px 0 34px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:12px}.footer div{display:flex;flex-direction:column}.footer b{color:var(--primary-strong);font-size:13px}.footer nav{display:flex;flex-wrap:wrap;gap:16px}.footer a:hover{color:var(--primary)}
@media(max-width:860px){
  .topnav{display:none}.page-hero{grid-template-columns:1fr}.page-hero h1{font-size:34px}.page-hero p{font-size:15px}.grid-3,.grid-2{grid-template-columns:1fr 1fr}.community-shell{grid-template-columns:1fr}.community-sidebar{position:static}.category-list{grid-template-columns:1fr 1fr}.footer{display:block}.footer nav{margin-top:10px}
}
@media(max-width:560px){
  .topbar{height:58px;padding:0 14px}.account-link{width:38px;padding:0;justify-content:center}.account-link span{display:none}main{width:100%;padding:26px 14px 52px}.page-hero{gap:12px;padding-top:8px}.page-hero h1{font-size:29px}.hero-actions{display:grid}.primary,.secondary{width:100%}.grid-3,.grid-2{grid-template-columns:1fr}.section{padding:28px 0}.section-head{display:block}.community-app{width:100%;padding:16px 14px 52px}.category-list{grid-template-columns:1fr}.discussion-toolbar{display:block}.toolbar-actions{display:grid;margin-top:12px}.search-box{min-width:0}.composer-actions{display:grid}.footer{width:calc(100% - 28px);padding-bottom:24px}
}