:root{color-scheme:dark;--bg: #0d1117;--panel: #161b22;--panel-2: #1b2332;--border: #2a3242;--text: #e6edf3;--text-dim: #8b949e;--primary: #4f8cff;--primary-2: #7aa7ff;--danger: #f85149;--ok: #3fb950;--radius: 14px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;background:radial-gradient(1200px 600px at 20% -10%,#16233f 0%,transparent 60%),radial-gradient(1000px 500px at 90% 110%,#1a1f3a 0%,transparent 55%),var(--bg);color:var(--text);min-height:100vh}button{font:inherit;cursor:pointer;border:none}input{font:inherit}.app-shell{max-width:1080px;margin:0 auto;padding:40px 20px 60px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);transition:background .2s,border-color .2s,opacity .2s}.btn:hover:not(:disabled){background:#223050}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:600;padding:12px 20px;border-radius:10px}.btn-primary:hover{filter:brightness(1.08)}.btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}.btn-danger:hover{background:#f851491f}.btn.active{background:#173a2a;border-color:var(--ok);color:var(--ok)}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--text-dim)}.dot.on{background:var(--ok);box-shadow:0 0 6px var(--ok)}.dot.red{background:var(--danger);box-shadow:0 0 6px var(--danger)}.home{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:40px}.logo{width:72px;height:72px;border-radius:20px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--primary),#7b5cff);box-shadow:0 12px 32px 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10px;font-size:12px;color:var(--primary-2)}.member-head-right{display:flex;align-items:center;gap:6px}.vol-btn{padding:4px 8px;border-radius:8px;color:var(--text-dim);line-height:1}.vol-btn:hover{color:var(--primary-2)}.member-list{display:flex;flex-direction:column;gap:4px;overflow-y:auto;flex:1;min-height:0;max-height:none;scrollbar-width:none;-ms-overflow-style:none}.member-list::-webkit-scrollbar{display:none}.member-item{display:flex;align-items:center;gap:10px;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:8px 10px;transition:border-color .25s,box-shadow .25s}.member-item .avatar{width:36px;height:36px;font-size:15px;flex-shrink:0;transition:box-shadow .18s ease}.member-item.self{background:linear-gradient(135deg,#4f8cff24,#7b5cff14);border-color:#4f8cff66}.member-item-wrap{display:flex;flex-direction:column}.vol-row{display:flex;align-items:center;gap:6px;padding:4px 10px 6px;color:var(--text-dim)}.vol-slider{flex:1;min-width:0;height:3px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border);border-radius:3px;outline:none;cursor:pointer}.vol-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:10px;height:10px;border-radius:50%;background:var(--primary-2);border:none;cursor:pointer}.vol-slider::-moz-range-thumb{width:10px;height:10px;border-radius:50%;background:var(--primary-2);border:none;cursor:pointer}.vol-slider::-moz-range-track{height:3px;background:var(--border);border-radius:3px}.vol-pct{font-size:10px;color:var(--text-dim);width:34px;text-align:right;flex-shrink:0}.vol-item{display:flex;flex-direction:column;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 12px}.vol-item-head{display:flex;align-items:center;gap:10px}.vol-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,#31405e,#4f8cff);flex-shrink:0}.vol-avatar-text{display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:600}.vol-item-name,.member-name{flex:1;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.member-name .me-tag{color:var(--primary-2);font-weight:400;font-size:11px}.member-side{display:flex;align-items:center;gap:8px;flex-shrink:0}.signal{width:16px;height:16px;color:var(--text-dim);flex-shrink:0}.signal .bar{fill:currentColor;opacity:.2}.signal.sig-4,.signal.sig-3{color:var(--ok)}.signal.sig-2{color:#d29922}.signal.sig-1{color:var(--danger)}.signal.sig-1 .b1,.signal.sig-2 .b1,.signal.sig-2 .b2,.signal.sig-3 .b1,.signal.sig-3 .b2,.signal.sig-3 .b3,.signal.sig-4 .b1,.signal.sig-4 .b2,.signal.sig-4 .b3,.signal.sig-4 .b4{opacity:1}.member-side .sound-bars{height:18px}.member-side .sound-bars span{width:4px;height:13px}.member-item.speaking .avatar{box-shadow:0 0 0 3px var(--ok),0 0 12px #3fb95059}.chat-panel{flex:1;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:10px;min-width:0}.chat-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;min-height:0;max-height:none;padding:4px 2px;scrollbar-width:none;-ms-overflow-style:none}.chat-list::-webkit-scrollbar{display:none}.chat-empty{margin:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-dim);font-size:14px;padding:20px;text-align:center}.chat-empty svg{opacity:.45}.chat-msg{display:flex;gap:8px;align-items:flex-start}.chat-msg.self{flex-direction:row-reverse}.chat-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#31405e,#4f8cff);flex-shrink:0;object-fit:cover}.chat-avatar-text{display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600}.chat-bubble{max-width:68%;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:7px 12px}.chat-msg.self .chat-bubble{background:#173a2a;border-color:#3fb95073}.chat-name{font-size:11px;color:var(--text-dim);margin-bottom:2px}.chat-msg.self .chat-name{text-align:right;color:var(--ok)}.chat-time{align-self:flex-end;flex-shrink:0;font-size:10px;color:var(--text-dim);opacity:.75;padding-bottom:2px}.chat-text{font-size:13px;line-height:1.5;word-break:break-word}.chat-img{display:block;max-width:220px;max-height:220px;border-radius:8px;cursor:zoom-in;object-fit:cover;background:var(--bg)}.chat-msg.self .chat-img{margin-left:auto}.chat-image-btn{padding:8px 12px;flex-shrink:0;color:var(--text-dim)}.chat-image-btn:hover:not(:disabled){color:var(--primary-2)}.chat-img-error{color:var(--danger);font-size:12px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.img-preview-overlay{z-index:60;cursor:zoom-out}.img-preview{max-width:min(90vw,900px);max-height:85vh;border-radius:12px;box-shadow:0 20px 60px #0009}.img-preview-close{position:fixed;bottom:36px;left:50%;transform:translate(-50%)}.chat-input-row{display:flex;gap:8px}.chat-input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 14px;color:var(--text);outline:none;transition:border-color .2s}.chat-input:focus{border-color:var(--primary)}.chat-send{flex-shrink:0;padding:10px 22px}