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summary:hover{color:var(--muted)}.cm-think-body{padding:2px 16px 12px;font-size:13px;line-height:1.65;color:var(--dim);border-top:1px solid var(--line)}.chat-page{flex-direction:row}.chat-main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden;background:radial-gradient(640px 300px at 12% -6%,rgba(59,130,246,.1),transparent 62%),radial-gradient(720px 340px at 92% -4%,rgba(249,115,22,.08),transparent 62%)}.hist{width:280px;flex-shrink:0;display:flex;flex-direction:column;border-right:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),var(--bg))}.hist-brand{display:flex;align-items:center;gap:10px;padding:14px 14px 10px}.hist-logo{width:32px;height:32px;border-radius:10px;flex-shrink:0;background:var(--surface);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;padding:4px;box-shadow:0 0 16px #3b82f62e}.hist-logo img{width:100%;height:100%;object-fit:contain}.hist-brand-name{font-size:14.5px;font-weight:800;letter-spacing:-.01em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}.hist-brand .hist-link{margin-left:auto}.hist-link{display:inline-flex;align-items:center;gap:8px;color:var(--dim);font-size:13px;font-weight:600;width:fit-content}.hist-link:hover{color:var(--muted)}.hist-link .ic{transform:rotate(90deg)}.hist-new{display:inline-flex;align-items:center;gap:8px;margin:0 12px 10px;border:1px solid rgba(249,115,22,.4);background:linear-gradient(95deg,#f9731629,#fb923c0d);color:var(--text);padding:10px 13px;border-radius:11px;font-size:13.5px;font-weight:700;cursor:pointer;font-family:inherit;transition:all .16s}.hist-new .ic{color:var(--orange2)}.hist-new:hover{border-color:#f97316b3;box-shadow:0 0 0 3px #f9731614,0 6px 20px #f973162e;transform:translateY(-1px)}.hist-search{display:flex;align-items:center;gap:8px;margin:0 12px 10px;padding:8px 11px;border:1px solid var(--line);background:var(--surface);border-radius:10px;color:var(--dim);transition:border-color .15s,box-shadow .15s}.hist-search:focus-within{border-color:var(--line2);box-shadow:0 0 0 3px #3b82f612}.hist-search .ic{flex-shrink:0}.hist-search-in{flex:1;min-width:0;background:none;border:none;outline:none;color:var(--text);font-family:inherit;font-size:13px}.hist-search-in::placeholder{color:var(--dim)}.hist-list{flex:1;overflow-y:auto;padding:2px 8px 10px;display:flex;flex-direction:column;gap:2px}.hist-group{font-size:10.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--dim);padding:12px 12px 5px}.hist-group:first-child{padding-top:4px}.hist-empty{color:var(--dim);font-size:13px;text-align:center;padding:20px 0}.hist-item{position:relative;display:flex;align-items:center;width:100%;text-align:left;background:none;border:none;color:var(--muted);font-family:inherit;padding:9px 26px 9px 12px;border-radius:10px;cursor:pointer;transition:background .12s}.hist-item:hover{background:#94a3b812;color:var(--text)}.hist-item.on{background:#34d39914;color:var(--text)}.hist-item:before{content:"";position:absolute;left:0;top:22%;bottom:22%;width:2.5px;border-radius:3px;background:var(--accent);opacity:0;transition:opacity .15s}.hist-item.on:before{opacity:1}.hist-item-main{flex:1;min-width:0}.hist-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13.5px;font-weight:600}.hist-time{font-size:11px;color:var(--dim);margin-top:2px}.hist-del{position:absolute;right:7px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--dim);cursor:pointer;display:none;align-items:center;padding:4px;border-radius:6px}.hist-item:hover .hist-del{display:inline-flex}.hist-del:hover{color:var(--red)}.hist-foot{border-top:1px solid var(--line);padding:8px}.hist-user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:11px;transition:background .15s}.hist-user:hover{background:#94a3b80f}.hist-ava{width:32px;height:32px;border-radius:50%;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#08131f;background:var(--grad)}.hist-user-meta{flex:1;min-width:0}.hist-user-name{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hist-plan{font-size:9px;font-weight:800;letter-spacing:.08em;padding:1.5px 6px;border-radius:999px;flex-shrink:0}.hist-plan.free{background:#94a3b81f;color:var(--muted)}.hist-plan.pro{background:#fbbf2424;color:var(--gold)}.hist-user-mail{font-size:11px;color:var(--dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hist-toggle{display:none}@media(max-width:860px){.hist{position:fixed;left:0;top:0;bottom:0;z-index:80;width:min(300px,84vw);transform:translate(-105%);transition:transform .22s ease;box-shadow:20px 0 60px #00000080}.hist.open{transform:translate(0)}.hist-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:none;color:var(--muted);cursor:pointer;flex-shrink:0}.hist-toggle:hover{color:var(--text);border-color:var(--line2)}}@media(max-width:860px){.chat-top{flex-wrap:wrap;row-gap:8px;padding:8px 12px}.chat-new{order:10;width:100%;margin-left:0;justify-content:center;gap:9px;padding:11px;border-radius:12px;border:1px solid rgba(249,115,22,.4);background:linear-gradient(95deg,#f9731624,#fb923c0d);color:var(--text);font-size:13.5px;font-weight:700}.chat-new:hover{border-color:#f97316b3;box-shadow:0 0 0 3px #f9731614}.hist-toggle{margin-left:auto}}