*{box-sizing:border-box}body,html{margin:0;height:100%}body{font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#cdeeff;background:radial-gradient(1200px 600px at 80% -10%,rgba(0,90,150,.35),transparent 60%),linear-gradient(160deg,#041826,#04121f 55%,#030d18)}.assistant{display:flex;flex-direction:column;height:100vh;overflow:hidden}.a-header{display:flex;align-items:center;gap:8px;padding:8px 12px;font-size:12px;color:#9ee0ff;border-bottom:1px solid rgba(113,199,255,.18);background:linear-gradient(90deg,rgba(0,40,80,.55),rgba(6,30,45,.2))}.dot{width:8px;height:8px;border-radius:50%;background:#4a6a80;box-shadow:0 0 0 rgba(0,229,255,0)}.dot.on{background:#57cc99;box-shadow:0 0 8px rgba(87,204,153,.9)}.dot.err{background:#f4a261;box-shadow:0 0 8px rgba(244,162,97,.9)}.a-header .sp{flex:1}.a-header .hint{color:rgba(180,228,255,.55)}.a-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px}.a-messages::-webkit-scrollbar{width:6px}.a-messages::-webkit-scrollbar-thumb{background:rgba(113,199,255,.25);border-radius:3px}.empty{margin:auto;text-align:center;color:rgba(158,224,255,.4);font-size:13px;line-height:1.9}.empty .big{font-size:15px;color:rgba(158,224,255,.7);margin-bottom:6px}.msg{max-width:88%;padding:11px 14px;border-radius:16px;font-size:13.5px;line-height:1.66;word-break:break-word}.msg.user{align-self:flex-end;border-bottom-right-radius:6px;background:linear-gradient(135deg,rgba(0,172,236,.96),rgba(0,116,190,.96));color:#f2feff;border:1px solid rgba(150,232,255,.55);box-shadow:0 3px 14px rgba(0,130,200,.4)}.msg.bot{align-self:flex-start;border-bottom-left-radius:6px;background:linear-gradient(158deg,rgba(15,54,82,.85),rgba(9,33,54,.85));border:1px solid rgba(120,200,255,.2);color:#dcefff;box-shadow:0 4px 18px rgba(0,18,36,.42);backdrop-filter:blur(4px)}.msg.sys{align-self:center;font-size:12px;color:rgba(158,224,255,.55);background:none;padding:2px 8px}.ans-table-wrap{margin-top:10px;overflow-x:auto;border-radius:10px;border:1px solid rgba(120,200,255,.18)}.ans-table{border-collapse:collapse;width:100%;font-size:12.5px}.ans-table td,.ans-table th{padding:7px 11px;text-align:left;white-space:nowrap;border-bottom:1px solid rgba(120,200,255,.12)}.ans-table th{background:rgba(0,140,205,.28);color:azure;font-weight:600;letter-spacing:.3px}.ans-table td{color:#d3edff}.ans-table tbody tr:last-child td{border-bottom:none}.ans-table tbody tr:nth-child(2n) td{background:hsla(0,0%,100%,.022)}.ans-table tbody tr:hover td{background:rgba(120,200,255,.08)}.ans-more{margin-top:4px;padding:0 4px 4px;font-size:11.5px;color:rgba(158,224,255,.55)}.ans-cites{margin-top:10px;padding-top:8px;border-top:1px solid rgba(120,200,255,.14)}.cites-h{font-size:11px;color:rgba(158,224,255,.65);letter-spacing:.3px}.cite,.cites-h{margin-bottom:5px}.cite{padding:6px 9px;font-size:12px;border-radius:8px;background:rgba(126,222,255,.05);border:1px solid rgba(120,200,255,.12)}.cite-clickable:hover{background:rgba(126,222,255,.12);border-color:rgba(120,200,255,.3)}.cite-file{display:block;color:#86e2ff;font-weight:600;margin-bottom:2px}.cite-snip{display:block;color:rgba(205,238,255,.72);line-height:1.5}.ans-options{margin-top:8px;display:flex;flex-wrap:wrap;gap:6px}.opt-btn{padding:5px 10px;border-radius:14px;font-size:12.5px;cursor:pointer;background:rgba(0,130,190,.25);color:#eaffff;border:1px solid rgba(126,222,255,.4)}.opt-btn:hover{background:rgba(0,130,190,.45)}.ans-suggest{margin-top:8px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}.sug-h{font-size:11.5px;color:rgba(180,220,240,.7);margin-right:2px}.sug-btn{padding:4px 10px;border-radius:14px;font-size:12.5px;cursor:pointer;background:rgba(126,222,255,.1);color:#cfeeff;border:1px solid rgba(126,222,255,.3)}.sug-btn:hover{background:rgba(126,222,255,.22)}.ans-think{margin-bottom:8px;border-left:2px solid rgba(126,222,255,.3);padding-left:8px}.ans-think>summary{cursor:pointer;list-style:none;font-size:12px;color:rgba(180,220,240,.75);-webkit-user-select:none;-moz-user-select:none;user-select:none;padding:2px 0}.ans-think>summary::-webkit-details-marker{display:none}.ans-think>summary:before{content:"▸ "}.ans-think[open]>summary:before{content:"▾ "}.think-list{margin-top:3px;display:flex;flex-direction:column;gap:3px}.think-item{display:flex;align-items:baseline;gap:6px;font-size:12px;line-height:1.7;color:rgba(200,220,235,.72)}.think-ico{font-size:11px;display:inline-flex;align-items:center;align-self:center}.think-item.done .think-ico{color:#4fd08a;opacity:.9}.think-item.active .think-title{color:#cfeeff}.think-spin{width:10px;height:10px;border-radius:50%;border:1.6px solid rgba(126,222,255,.28);border-top-color:#7edeff;display:inline-block;animation:think-spin .7s linear infinite}@keyframes think-spin{to{transform:rotate(1turn)}}.think-title{color:rgba(210,232,245,.9)}.think-detail{color:rgba(170,200,220,.6)}.think-wait{font-size:13px;color:rgba(180,220,240,.7)}.ans-md{font-size:14px;line-height:1.62;word-break:break-word}.ans-md>:first-child{margin-top:0}.ans-md>:last-child{margin-bottom:0}.ans-md p{margin:6px 0}.ans-md ol,.ans-md ul{margin:6px 0;padding-left:20px}.ans-md li{margin:3px 0}.ans-md li::marker{color:rgba(126,222,255,.7)}.ans-md strong{color:#bfe9ff;font-weight:600}.ans-md h1,.ans-md h2,.ans-md h3,.ans-md h4{margin:10px 0 6px;font-size:15px;color:#d6f2ff}.ans-md a{color:#7edeff;text-decoration:underline}.ans-md code{padding:1px 5px;border-radius:5px;font-size:12.5px;background:rgba(126,222,255,.12);color:#cdeeff}.ans-md pre{margin:6px 0;padding:8px 10px;border-radius:8px;overflow-x:auto;background:rgba(8,24,40,.6);border:1px solid rgba(120,200,255,.15)}.ans-md pre code{background:none;padding:0}.ans-md blockquote{margin:6px 0;padding:2px 10px;color:rgba(205,238,255,.75);border-left:3px solid rgba(126,222,255,.35)}.ans-md hr{border:none;border-top:1px solid rgba(120,200,255,.15);margin:8px 0}.ans-md table{border-collapse:collapse;margin:6px 0;font-size:12.5px}.ans-md td,.ans-md th{padding:4px 8px;border:1px solid rgba(120,200,255,.18)}.cite-ref{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-width:15px;height:15px;padding:0 4px;margin:0 1px 0 2px;font-size:10px;font-weight:600;line-height:1;vertical-align:super;color:#8fe4ff;border-radius:8px;background:rgba(126,222,255,.15);border:1px solid rgba(126,222,255,.3);text-decoration:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:all .15s}.cite-ref:hover{background:rgba(126,222,255,.4);color:#eaf9ff;border-color:rgba(126,222,255,.6)}.cite-ref-dead{opacity:.45;cursor:default}.msg-actions{display:flex;justify-content:flex-end;margin-top:8px}.speak-btn{padding:3px 10px;border-radius:12px;font-size:12px;cursor:pointer;background:rgba(0,130,190,.18);color:#cfeeff;border:1px solid rgba(126,222,255,.28)}.speak-btn:hover{background:rgba(0,130,190,.34)}.a-input{border-top:1px solid rgba(113,199,255,.18);padding:10px 12px;background:rgba(4,18,30,.6)}.a-row{gap:8px}.a-row,.mode-btn{display:flex;align-items:center}.mode-btn{flex:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(113,199,255,.35);background:rgba(0,40,80,.45);color:#9ee0ff;font-size:18px;cursor:pointer;justify-content:center;transition:all .15s}.mode-btn:hover{border-color:rgba(0,229,255,.7);color:#00e5ff}.text-input{flex:1;height:40px;padding:0 12px;border-radius:10px;border:1px solid rgba(113,199,255,.3);background:rgba(0,25,50,.6);color:#eaffff;font-size:14px;outline:none}.text-input::-moz-placeholder{color:rgba(158,224,255,.4)}.text-input::placeholder{color:rgba(158,224,255,.4)}.text-input:focus{border-color:rgba(0,229,255,.7);box-shadow:0 0 0 2px rgba(0,229,255,.15)}.send-btn{flex:none;height:40px;padding:0 16px;border-radius:10px;border:none;cursor:pointer;background:linear-gradient(135deg,#00c2ff,#07c);color:#fff;font-size:14px;font-weight:600}.send-btn:disabled{opacity:.5;cursor:default}.hold-btn{flex:1;height:44px;border-radius:12px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;border:1px solid rgba(113,199,255,.4);background:rgba(0,45,85,.5);color:#9ee0ff;font-size:14px;font-weight:600;letter-spacing:1px;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .12s;touch-action:none}.hold-btn:hover{border-color:rgba(0,229,255,.6)}.hold-btn.recording{background:linear-gradient(135deg,rgba(0,200,255,.35),rgba(0,120,200,.35));border-color:#00e5ff;color:#eaffff;box-shadow:0 0 16px rgba(0,229,255,.45)}.hold-btn.busy{opacity:.7;cursor:default}.wave{display:inline-flex;align-items:center;gap:3px;height:16px}.wave i{width:3px;height:6px;background:#00e5ff;border-radius:2px;animation:w .9s ease-in-out infinite}.wave i:nth-child(2){animation-delay:.15s}.wave i:nth-child(3){animation-delay:.3s}.wave i:nth-child(4){animation-delay:.45s}@keyframes w{0%,to{height:5px}50%{height:16px}}.cite-clickable{cursor:pointer;transition:background .15s}.cite-clickable:hover{background:rgba(0,180,255,.1);border-radius:6px}.doc-viewer-mask{position:fixed;inset:0;z-index:9999;background:rgba(2,10,20,.72);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center}.doc-viewer{width:min(880px,94vw);height:min(90vh,1000px);background:rgba(6,20,34,.98);border:1px solid rgba(0,180,255,.35);border-radius:12px;box-shadow:0 12px 48px rgba(0,0,0,.6);display:flex;flex-direction:column;overflow:hidden}.doc-viewer-lg{width:min(1080px,96vw);height:min(92vh,1100px)}.dv-reader{flex:1;min-height:0;background:#fff}.dv-reader>*{height:100%}.dv-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid rgba(0,180,255,.2);color:#cfe8ff;font-size:13px}.dv-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dv-pager{display:flex;align-items:center;gap:8px;margin:0 12px;flex:none}.dv-nav{width:26px;height:26px;line-height:1;font-size:17px;cursor:pointer;border-radius:7px;color:#cfeeff;background:rgba(0,130,190,.2);border:1px solid rgba(126,222,255,.3)}.dv-nav:hover:not(:disabled){background:rgba(0,130,190,.4)}.dv-nav:disabled{opacity:.35;cursor:default}.dv-pageno{font-size:12.5px;color:#9fd4f0;white-space:nowrap;min-width:78px;text-align:center}.dv-close{cursor:pointer;padding:2px 8px;border-radius:6px;color:#9fc6e6;flex:none}.dv-close:hover{background:rgba(255,80,80,.25);color:#fff}.dv-body{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;align-items:center}.dv-canvas-wrap canvas{display:block;border-radius:4px;box-shadow:0 2px 12px rgba(0,0,0,.4)}.dv-highlight{background:rgba(255,215,0,.28);border:2px solid #ffd400;border-radius:2px;pointer-events:none;box-shadow:0 0 12px rgba(255,215,0,.5)}.dv-hint{color:#8fb4d4;font-size:12px;margin:8px 0}.dv-err{color:#ff8a8a;font-size:13px;margin:12px 0}