:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Microsoft YaHei UI,PingFang SC,Arial,sans-serif}*{box-sizing:border-box}body{color:#1f2937;background:#f4f7fb;margin:0}#app{min-height:100vh}.container{grid-template-columns:1fr;gap:16px;width:min(960px,94vw);margin:24px auto;display:grid}.panel{background:#fff;border-radius:12px;padding:16px;box-shadow:0 6px 20px #0f172a14}.title{margin:0 0 12px;font-size:18px;font-weight:700}.field{gap:6px;margin-bottom:12px;display:grid}.field label{color:#334155;font-size:13px}.field input{border:1px solid #d7dce3;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-size:14px}.field input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f624}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 14px;font-size:14px;transition:all .15s}.btn-primary{color:#fff;background:#2563eb}.btn-primary:hover{background:#1d4ed8}.btn-secondary{color:#1e3a8a;background:#eef2ff}.btn-secondary:hover{background:#e0e7ff}.btn:disabled{opacity:.7;cursor:not-allowed}.chat-wrap{flex-direction:column;height:76vh;min-height:560px;display:flex}.chat-head{align-items:center;gap:10px;margin-bottom:10px;display:flex}.chat-box{background:#f8fafc;border:1px solid #e5e7eb;border-radius:10px;flex-direction:column;flex:1;gap:10px;padding:8px;display:flex;overflow:auto}.msg{white-space:pre-wrap;word-break:break-word;border-radius:10px;max-width:85%;padding:10px 12px;font-size:14px;line-height:1.55}.msg-content{white-space:pre-wrap}.msg-image-wrap{margin-bottom:8px}.msg-image{border-radius:8px;max-width:220px;max-height:220px;display:block}.thinking-line{color:#334155;margin-bottom:8px;font-size:14px;font-weight:600}.streaming:after{content:"";vertical-align:-2px;background:#2563eb;width:2px;height:1em;margin-left:4px;animation:1s step-end infinite blink;display:inline-block}.msg-user{color:#fff;background:#2563eb;border-bottom-right-radius:4px;align-self:flex-end}.msg-ai{color:#0f172a;background:#e2e8f0;border-bottom-left-radius:4px;align-self:flex-start}.reasoning{background:#f8faff;border:1px solid #dbe7ff;border-radius:8px;margin-bottom:10px;padding:8px 10px}.reasoning summary{cursor:pointer;color:#1e3a8a;-webkit-user-select:none;user-select:none;font-size:13px;font-weight:700}.reasoning-content{white-space:pre-wrap;border-left:2px solid #c7d7ff;margin-top:8px;padding-left:10px;line-height:1.6}.refs{border-top:1px solid #0f172a26;margin-top:10px;padding-top:8px}.refs-title{margin-bottom:6px;font-size:13px;font-weight:700}.ref-item{font-size:13px;line-height:1.6}.composer{grid-template-columns:1fr auto;gap:8px;margin-top:10px;display:grid}.composer-tools{gap:8px;margin-top:10px;margin-bottom:8px;display:flex}.image-input{display:none}.selected-image{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;align-items:center;gap:8px;margin-bottom:8px;padding:8px;display:flex}.selected-image-preview{object-fit:cover;border-radius:6px;width:56px;height:56px}.selected-image-name{color:#334155;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;overflow:hidden}textarea{resize:none;border:1px solid #d7dce3;border-radius:10px;outline:none;width:100%;min-height:68px;max-height:200px;padding:10px 12px;font-size:14px}textarea:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f624}.send-btn{align-self:end;min-width:88px;height:42px}.status{color:#475569;min-height:18px;font-size:13px}@keyframes blink{0%{opacity:1}50%{opacity:0}to{opacity:1}}@media (width<=900px){.container{grid-template-columns:1fr}.chat-wrap{min-height:520px}}