.feed-concept-page{--t:.18s cubic-bezier(.2,0,0,1);--max:1200px;max-width:var(--max);font-family:var(--font-sans);color:var(--color-foreground);margin:0 auto;padding:100px 32px 96px}.feed-concept-page *{box-sizing:border-box}.feed-concept-page a{color:inherit;text-decoration:none}.feed-concept-page button{cursor:pointer;color:inherit;background:0;border:0;padding:0;font-family:inherit}.feed-concept-page .text-gradient-brand{background:var(--gradient-brand);color:#0000;-webkit-background-clip:text;background-clip:text}.feed-concept-page .font-display{font-family:var(--font-display)}.feed-concept-page .tabular-nums{font-variant-numeric:tabular-nums}.feed-concept-page .sub-hero{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px;display:flex}.feed-concept-page .sub-hero h1{font-family:var(--font-display);letter-spacing:-.02em;margin:0;font-size:64px;font-weight:700;line-height:.95}.feed-concept-page .sub-hero p{color:var(--color-muted);max-width:640px;margin:8px 0 0}.feed-concept-page .tabs-bar{border:1px solid var(--color-border);background:var(--color-surface);scrollbar-width:none;border-radius:9999px;gap:4px;padding:4px;display:inline-flex;overflow-x:auto}.feed-concept-page .tabs-bar::-webkit-scrollbar{display:none}.feed-concept-page .tab{height:36px;color:var(--color-muted);transition:background var(--t),color var(--t);white-space:nowrap;border-radius:9999px;align-items:center;gap:8px;padding:0 16px;font-size:12.5px;font-weight:500;display:inline-flex}.feed-concept-page .tab:hover{color:#fff;background:#ffffff0a}.feed-concept-page .tab.active{color:#1a0a04;background:#fff;font-weight:600}.feed-concept-page .tab .pill{color:inherit;background:#ffffff1a;border-radius:9999px;padding:1px 7px;font-size:10px}.feed-concept-page .tab.active .pill{color:inherit;background:#0000001a}.feed-concept-page .feed-grid{grid-template-columns:280px 1fr;align-items:start;gap:24px;display:grid}@media 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.card{border:1px solid var(--color-border);background:var(--color-surface);border-radius:20px;overflow:hidden}.feed-concept-page .card-pad{padding:20px}.feed-concept-page .card-title{font-family:var(--font-display);letter-spacing:.01em;margin:0 0 14px;font-size:22px;font-weight:700;line-height:1}.feed-concept-page .card-sub{color:var(--color-muted);font-size:12px}.feed-concept-page .me-card .me-cover{background:var(--gradient-brand);height:64px;position:relative}.feed-concept-page .me-card .me-cover:after{content:"";background:radial-gradient(circle at 80% 30%,#ffffff2e,#0000 60%),linear-gradient(#0000 60%,#00000073);position:absolute;inset:0}.feed-concept-page .me-body{margin-top:-28px;padding:0 18px 18px;position:relative}.feed-concept-page .me-avatar{width:56px;height:56px;font-family:var(--font-display);color:#fff;background:linear-gradient(135deg,#1f2933 0%,#0a0503 100%);border:2px solid 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span{color:var(--color-muted);letter-spacing:.04em;text-transform:uppercase;font-size:11px}.feed-concept-page .nav-list{flex-direction:column;gap:2px;margin-top:8px;display:flex}.feed-concept-page .nav-item{color:#ffffffd9;text-align:left;width:100%;transition:background var(--t),color var(--t);background:0 0;border-radius:12px;align-items:center;gap:10px;padding:10px 12px;font-size:13px;display:flex}.feed-concept-page .nav-item:hover{color:#fff;background:#ffffff0d}.feed-concept-page .nav-item.active{color:var(--brand-orange);background:#ff98241a;border:1px solid #ff982433}.feed-concept-page .nav-item svg{flex-shrink:0}.feed-concept-page .nav-item .badge-num{color:var(--color-muted);background:#ffffff14;border-radius:9999px;margin-left:auto;padding:1px 8px;font-size:11px}.feed-concept-page .nav-item.active .badge-num{background:var(--gradient-brand);color:#fff}.feed-concept-page .center-col{flex-direction:column;gap:16px;min-width:0;display:flex}.feed-concept-page .composer{border:1px solid var(--color-border);background:var(--color-surface);border-radius:18px;padding:14px 16px}.feed-concept-page .composer-row{align-items:center;gap:12px;display:flex}.feed-concept-page .composer-avatar{background:var(--gradient-brand);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:14px;font-weight:700;display:inline-flex}.feed-concept-page .composer-input{border:1px solid var(--color-border);height:44px;color:var(--color-muted);text-align:left;transition:background var(--t),border-color var(--t);background:#ffffff08;border-radius:9999px;flex:1;align-items:center;padding:0 18px;font-size:14px;display:inline-flex}.feed-concept-page .composer-input:hover,.feed-concept-page .composer-input:focus{border-color:var(--color-border-strong);background:#ffffff0f;outline:none}.feed-concept-page textarea.composer-input{color:#fff;resize:vertical;border-radius:18px;height:auto;min-height:100px;padding:12px 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