:root{--green:#078438;--bg:#f5f7f8;--text:#0f172a;--muted:#64748b;--line:#e5e7eb;--card:#fff;--shadow:0 10px 28px rgba(15,23,42,.06)}
*{box-sizing:border-box}
html,body{margin:0;width:100%;max-width:100%;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:Arial,system-ui,sans-serif}
button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}a{color:inherit}
.v4Top{height:auto;min-height:78px;background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:190px minmax(260px,420px) minmax(0,1fr) auto;gap:16px;align-items:center;padding:14px 22px;position:sticky;top:0;z-index:30;box-shadow:0 2px 12px rgba(15,23,42,.04)}
.v4Brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--text)}.brandMark{width:44px;height:44px;border-radius:16px;background:#e8f8ed;color:var(--green);display:grid;place-items:center;font-weight:1000;font-size:26px}.v4Brand b{font-size:25px;display:block;line-height:.9;letter-spacing:.02em}.v4Brand small{font-size:13px;color:var(--green);letter-spacing:.25em;font-weight:900}
.v4Search{height:48px;background:#f1f5f9;border:1px solid #dbe3ea;border-radius:18px;display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;padding-left:12px;min-width:0}.v4Search span{color:#64748b}.v4Search input{border:0;background:transparent;outline:0;min-width:0}.v4Search button{background:#fff;color:var(--green);font-weight:900;border-radius:14px;padding:10px 14px;margin-right:4px}
.v4Nav{display:flex;gap:4px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;min-width:0}.v4Nav::-webkit-scrollbar{display:none}.v4Nav button{background:transparent;font-weight:900;padding:14px 8px;border-radius:12px;flex:0 0 auto}.v4Nav button.active,.v4Nav button:hover{background:#e8f8ed;color:var(--green)}
.v4User{display:flex;align-items:center;gap:10px;min-width:max-content}.primaryBtn{background:var(--green);color:#fff;border-radius:16px;padding:13px 18px;font-weight:900}#authBox .profile{font-weight:900;text-decoration:none;background:#f8fafc;border-radius:14px;padding:11px;color:var(--text);white-space:nowrap}#authBox button{background:var(--green);color:#fff;border-radius:14px;padding:11px 14px;font-weight:900}
.v4Layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;max-width:1420px;margin:0 auto;padding:18px}.v4Main,.v4Side{min-width:0}

.pulseBar{background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px 14px;margin-bottom:14px;box-shadow:var(--shadow);display:grid;grid-template-columns:170px minmax(0,1fr);gap:12px;align-items:center}
.pulseTitle{display:flex;align-items:center;gap:9px;font-weight:900}.pulseTitle span{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.15)}
.pulseTicker{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}.pulseTicker::-webkit-scrollbar{display:none}.pulseTicker button{background:#f1f5f9;border-radius:999px;padding:9px 13px;white-space:nowrap;font-weight:900;color:#334155}.pulseTicker button:hover{background:#e8f8ed;color:var(--green)}

.feedPanel,.topicFeed,.sideBox,.topicFull,.pinnedTopics{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.feedPanel{border-radius:20px 20px 0 0;padding:18px;border-bottom:0}.feedTopline{display:flex;align-items:center;justify-content:space-between;gap:12px}.feedTopline h2{margin:0;font-size:24px}.feedTopline p{margin:4px 0 0;color:var(--muted)}.feedTopline button{background:var(--green);color:#fff;border-radius:14px;padding:11px 16px;font-weight:900}
.typeFilters{display:flex;gap:8px;overflow-x:auto;margin-top:14px;scrollbar-width:none}.typeFilters::-webkit-scrollbar{display:none}.typeFilters button{background:#f1f5f9;border-radius:999px;padding:10px 14px;font-weight:900;white-space:nowrap}.typeFilters button.active{background:var(--green);color:#fff}
.composerInline{display:none;gap:10px;margin-top:14px}.composerInline.open{display:grid}.composerInline input,.composerInline textarea,.composerInline select{border:1px solid #dbe3ea;border-radius:14px;padding:12px;min-width:0}.composerRow{display:grid;grid-template-columns:170px minmax(0,1fr) auto;gap:10px}.composerRow button{background:var(--green);color:#fff;border-radius:14px;font-weight:900}

.pinnedTopics{border-top:0;border-bottom:0;padding:12px 18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.pinItem{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;background:#f8fafc;border:1px solid #eef2f7;border-radius:16px;padding:12px;cursor:pointer}.pinItem:hover{background:#e8f8ed}.pinItem span{font-size:22px}.pinItem b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pinItem small{color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}

.newTopicsNotice{background:#e8f8ed;color:var(--green);border:1px solid #bbf7d0;border-radius:0;padding:12px;text-align:center;font-weight:900;cursor:pointer}.newTopicsNotice.hidden{display:none}
.topicFeed{border-radius:0 0 20px 20px;overflow:hidden}.topicCard{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:13px;align-items:center;padding:15px 18px;border-bottom:1px solid #eef2f7;cursor:pointer;background:#fff}.topicCard:hover{background:#f8fafc}.topicCard:last-child{border-bottom:0}
.topicAvatar{width:44px;height:44px;border-radius:50%;background:#e8f8ed;display:grid;place-items:center;overflow:hidden}.topicAvatar img{width:100%;height:100%;object-fit:cover}.topicMainInfo{min-width:0}.topicTitle{font-size:18px;font-weight:900;margin:0 0 5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topicExcerpt{color:#475569;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0 0 7px}.topicMeta{display:flex;gap:9px;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden}.topicBadge{display:inline-block;background:#dcfce7;color:#15803d;border-radius:999px;padding:4px 8px;font-weight:900;font-size:12px}.hotBadge{background:#fee2e2;color:#b91c1c}.topicStats{display:flex;gap:12px;color:#475569;font-weight:900;white-space:nowrap}.feedLoader{padding:14px;text-align:center;color:var(--muted);background:#fff;border:1px solid var(--line);border-top:0}.feedLoader.hidden{display:none}

.v4Side{display:grid;gap:14px;height:max-content}.sideBox{border-radius:20px;padding:18px;overflow:hidden}.sideHead{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.sideHead h3{margin:0;font-size:20px}.sideHead a,.sideHead span{color:var(--green);font-weight:900;text-decoration:none;font-size:13px}.hotList a,.eventLine,.compactNews .newsItem{display:block;padding:10px 0;border-bottom:1px solid #eef2f7;text-decoration:none;cursor:pointer}.hotList a:last-child,.eventLine:last-child,.compactNews .newsItem:last-child{border-bottom:0}.hotList a b{display:block}.hotList a small{display:block;color:var(--muted);margin-top:3px}.eventLine b{display:block}.eventLine small{color:var(--muted)}.musicRow{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;padding:9px 0;border-bottom:1px solid #eef2f7}.musicRow button{width:34px;height:34px;border-radius:50%;background:#dcfce7;color:#15803d}.musicRow b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.musicRow small{color:var(--muted)}.onlineGrid{display:flex;gap:7px;flex-wrap:wrap}.onlineGrid span{width:38px;height:38px;border-radius:50%;background:#e8f8ed;display:grid;place-items:center}.newsMeta,.newsBadge,.newsSummary,.newsNote{display:none}.newsTitle{font-weight:900;margin:0 0 4px;font-size:14px}.newsSource{color:var(--muted);font-size:12px}

.topicLayout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;max-width:1320px;margin:22px auto;padding:0 18px}.topicMain,.topicSide{min-width:0}.backLink{display:inline-block;margin-bottom:14px;color:var(--green);font-weight:900;text-decoration:none}.topicSide{display:grid;gap:14px;height:max-content}
.topicFull{border-radius:22px;padding:26px}.topicHeader{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.topicAuthor{display:flex;gap:12px;align-items:center}.topicFullAvatar,.commentAvatar{width:48px;height:48px;border-radius:50%;background:#e8f8ed;display:grid;place-items:center;overflow:hidden;font-size:22px}.topicFullAvatar img,.commentAvatar img{width:100%;height:100%;object-fit:cover}.topicAuthor b{display:block}.topicAuthor span{display:block;color:var(--muted);font-size:14px}.topicFullBadge{background:#dcfce7;color:#15803d;border-radius:999px;padding:7px 10px;font-weight:900;font-size:13px}.topicFull h1{font-size:38px;letter-spacing:-.035em;margin:18px 0 6px}.topicDate{color:var(--muted);margin-bottom:18px}.topicText{font-size:18px;line-height:1.62;white-space:pre-wrap}.topicImage{border-radius:16px;margin:18px 0;max-width:100%}.topicActions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.topicActions button{background:#f1f5f9;border-radius:14px;padding:11px 13px;color:#334155;font-weight:900}.topicActions button:hover{background:#e8f8ed;color:var(--green)}
.topicComments{margin-top:26px;border-top:1px solid #eef2f7;padding-top:20px}.commentsHead{display:flex;justify-content:space-between;align-items:center}.commentsHead h2{margin:0}.commentsHead span{background:#f1f5f9;border-radius:999px;padding:6px 10px;font-weight:900}.topicComment{display:grid;grid-template-columns:48px minmax(0,1fr);gap:12px;background:#f8fafc;border-radius:16px;padding:14px;margin:10px 0}.commentTop{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:14px}.commentTop b{color:var(--text)}.commentBody p{margin:7px 0 0;line-height:1.5}.topicReply{display:grid;gap:10px;margin-top:18px}.topicReply textarea{min-height:100px;border:1px solid #dbe3ea;border-radius:16px;padding:13px;resize:vertical}.topicReply button{background:var(--green);color:white;border-radius:14px;padding:13px;font-weight:900}.emptyState{background:#f8fafc;border-radius:14px;padding:16px;color:var(--muted)}.relatedItem{padding:10px 0;border-bottom:1px solid #eef2f7;cursor:pointer}.relatedItem:last-child{border-bottom:0}.relatedItem b{display:block;line-height:1.3}.relatedItem small{display:block;color:var(--muted);margin-top:4px}.rulesList p{margin:8px 0;color:#475569}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:grid;place-items:center;z-index:99}.modal.hidden{display:none}.modalBox{background:#fff;border-radius:24px;padding:26px;max-width:420px;width:92%;display:grid;gap:10px}.modalBox input{border:1px solid #dbe3ea;border-radius:14px;padding:12px}.modalBox button{background:var(--green);color:#fff;border-radius:14px;padding:12px}.x{justify-self:end;background:#f1f5f9!important;color:#111!important;width:36px;height:36px;border-radius:50%!important}
@media(max-width:1180px){.v4Top{grid-template-columns:190px minmax(0,1fr) auto}.v4Search{grid-column:2/3}.v4Nav{grid-column:1/-1}.v4Layout{grid-template-columns:1fr}.v4Side{grid-template-columns:repeat(2,minmax(0,1fr))}.topicLayout{grid-template-columns:1fr}.topicSide{grid-template-columns:repeat(2,minmax(0,1fr))}.pinnedTopics{grid-template-columns:1fr}}
@media(max-width:720px){.v4Top{display:flex;flex-wrap:wrap}.v4Search,.v4Nav{width:100%;order:3}.v4Layout,.topicLayout{padding:10px}.v4Side,.topicSide{grid-template-columns:1fr}.composerRow{grid-template-columns:1fr}.topicCard{grid-template-columns:44px minmax(0,1fr)}.topicStats{grid-column:2}.topicTitle{white-space:normal}.pulseBar{grid-template-columns:1fr}.topicFull h1{font-size:28px}.topicComment{grid-template-columns:1fr}.topicHeader{display:block}.topicFull{padding:18px}}