:root{--primary: #5b78ff;--primary-dark: #3e5ee8;--primary-soft: #edf2ff;--border: rgba(220, 228, 241, .95);--card: rgba(255, 255, 255, .76);--card-solid: #ffffff;--ink: #162137;--ink-2: #455168;--muted: #7f8aa3;--soft: #a6b0c4;--success: #57b880;--shadow: 0 26px 72px rgba(32, 51, 95, .08), 0 10px 26px rgba(17, 24, 39, .04);--shadow-soft: 0 14px 38px rgba(32, 51, 95, .06);color:#172033;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;padding:0}body{overflow:hidden;background:radial-gradient(circle at 18% 20%,rgba(86,120,255,.12),transparent 24%),radial-gradient(circle at 85% 14%,rgba(120,172,255,.12),transparent 22%),linear-gradient(135deg,#f5f7fb,#f8fbff 54%,#eef3fb)}button,textarea,select{font:inherit}button{cursor:pointer}.app{display:flex;height:100%}.login-shell{display:grid;width:100%;min-height:100%;place-items:center;padding:32px;background:radial-gradient(circle at 18% 20%,rgba(86,120,255,.12),transparent 24%),radial-gradient(circle at 85% 14%,rgba(120,172,255,.12),transparent 22%),linear-gradient(135deg,#f5f7fb,#f8fbff 54%,#eef3fb)}.login-panel{width:min(440px,100%);border:1px solid rgba(220,228,241,.95);border-radius:18px;background:#ffffffd1;box-shadow:var(--shadow);padding:34px;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px)}.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:28px}.login-brand-mark{display:grid;width:48px;height:48px;place-items:center;overflow:hidden;border-radius:16px;background:#fff;box-shadow:0 10px 24px #1720340f}.login-brand-mark img{width:100%;height:100%;object-fit:contain;padding:2px}.login-brand strong{display:block;color:#111b2f;font-size:22px;font-weight:850}.login-brand span{display:block;margin-top:3px;color:var(--muted);font-size:13px;font-weight:650}.login-form{display:grid;gap:18px}.login-form h1{margin:0 0 4px;color:#18233b;font-size:28px;font-weight:850;letter-spacing:0}.login-form label{display:grid;gap:8px;color:#405171;font-size:14px;font-weight:800}.login-form input{width:100%;min-height:48px;border:1px solid #dde5f0;border-radius:12px;background:#fffffff2;color:#162137;outline:0;padding:0 14px}.login-form input:focus{border-color:#5b78ff75;box-shadow:0 0 0 4px #5b78ff1f}.login-error{margin:0;color:#b24848;font-size:14px;font-weight:750}.login-form button{min-height:50px;border:0;border-radius:999px;background:linear-gradient(135deg,#151d2f,#243353);box-shadow:0 16px 28px #151d2f29;color:#fff;font-size:16px;font-weight:850}.login-form button:disabled{cursor:wait;opacity:.62}.sidebar{position:relative;z-index:3;display:flex;flex-shrink:0;flex-direction:column;width:360px;height:100%;border-right:1px solid var(--border);background:#ffffffb8;box-shadow:16px 0 48px #1621370a;-webkit-backdrop-filter:blur(26px);backdrop-filter:blur(26px)}.brand{display:flex;align-items:center;gap:14px;padding:24px 24px 18px;border-bottom:1px solid var(--border)}.brand-mark{display:grid;width:46px;height:46px;place-items:center;overflow:hidden;border-radius:16px;background:#fffffffa;box-shadow:0 10px 24px #1720340f}.brand-mark img{display:block;width:100%;height:100%;object-fit:contain;padding:2px}.brand-title{color:#111b2f;font-size:22px;font-weight:800;letter-spacing:-.4px}.brand-sub{margin-top:3px;color:var(--muted);font-size:12px;font-weight:600}.sidebar-scroll{flex:1;min-height:0;overflow:auto;padding:18px 20px 24px}.new-chat{display:flex;align-items:center;justify-content:space-between;width:100%;height:58px;margin-bottom:14px;border:0;border-radius:18px;background:linear-gradient(135deg,#151d2f,#243353);box-shadow:0 18px 34px #151d2f2e;color:#fff;padding:0 18px;font-size:16px;font-weight:760;transition:.22s ease}.new-chat:hover{box-shadow:0 22px 40px #151d2f3d;transform:translateY(-1px)}.new-chat span:first-child{font-size:17px}.new-chat span:last-child{font-size:24px;font-weight:300}.module-grid{display:grid;grid-template-columns:1fr;gap:10px;margin-top:8px}.module-btn{position:relative;min-height:64px;overflow:hidden;border:1px solid var(--border);border-radius:18px;background:linear-gradient(180deg,#ffffffeb,#f7f9ffdb);box-shadow:var(--shadow-soft);padding:12px 14px;text-align:left;transition:.2s ease}.module-btn:before{content:"";position:absolute;top:-18px;right:-18px;width:88px;height:88px;border-radius:50%;background:radial-gradient(circle,rgba(91,120,255,.2),transparent 66%);opacity:.55;pointer-events:none}.module-btn:hover{border-color:#5b78ff47;transform:translateY(-2px)}.module-btn.active{border-color:#5b78ff61;box-shadow:0 18px 40px #5b78ff1f}.mod-1{border-color:#5b78ff2e}.mod-2{border-color:#37b3702e}.mod-3{border-color:#7c54e82e}.mod-4{border-color:#df8c242e}.mod-1.active{background:linear-gradient(180deg,#fff,#eef3ff)}.mod-2.active{background:linear-gradient(180deg,#fff,#effbf4)}.mod-3.active{background:linear-gradient(180deg,#fff,#f5f0ff)}.mod-4.active{background:linear-gradient(180deg,#fff,#fff5ea)}.module-line{display:flex;align-items:center;gap:12px;width:100%}.module-icon{display:grid;flex-shrink:0;width:36px;height:36px;place-items:center;border:1px solid rgba(255,255,255,.78);border-radius:12px}.module-icon svg{width:20px;height:20px;stroke-width:1.75}.mod-1 .module-icon{background:#f4f7ff;color:#5570ee}.mod-2 .module-icon{background:#f3fbf6;color:#319766}.mod-3 .module-icon{background:#f7f3ff;color:#795ee4}.mod-4 .module-icon{background:#fff8f0;color:#d4852a}.module-name{color:var(--ink);font-size:17px;font-weight:800;line-height:1.3;letter-spacing:-.2px}.section-title{margin:18px 4px 10px;color:var(--soft);font-size:12px;font-weight:800;letter-spacing:.7px;text-transform:uppercase}.history-list{display:flex;flex-direction:column;gap:10px}.history-item{border:1px solid transparent;border-radius:15px;background:#ffffff9e;padding:12px;text-align:left;transition:.18s ease}.history-item:hover{border-color:var(--border);background:#ffffffeb}.history-item.active{border-color:#5b78ff29;background:#eef3ff}.history-name{display:block;color:#263149;font-size:14px;font-weight:700;line-height:1.4}.history-meta{display:block;margin-top:4px;color:var(--soft);font-size:12px}.sidebar-footer{padding:16px 20px 20px;border-top:1px solid var(--border);background:#ffffff73}.user-card{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px}.user-card>div:nth-child(2){min-width:0;flex:1}.user-avatar{display:grid;width:44px;height:44px;place-items:center;border-radius:50%;background:linear-gradient(145deg,#eaf0ff,#d8e2ff);color:#3156d4;font-size:16px;font-weight:800}.user-role{color:#24314b;font-size:14px;font-weight:700}.user-note{margin-top:2px;color:var(--soft);font-size:12px}.logout-btn{height:34px;border:1px solid #e3e9f3;border-radius:12px;background:#ffffffd6;color:#68758d;padding:0 12px;font-size:12px;font-weight:800;transition:.16s ease}.logout-btn:hover{border-color:#5b78ff47;background:#f4f7ff;color:#3156d4}.main{position:relative;display:flex;flex:1;min-width:0;flex-direction:column;padding:26px 28px 28px}.page{display:none;height:100%;min-height:0;animation:fade .22s ease}.page.active{display:flex;flex-direction:column}.chat-stage,.chat-home-view{display:flex;height:100%;min-height:0;flex-direction:column}.chat-wrap{display:flex;flex:1;min-height:0;align-items:flex-start;justify-content:stretch;padding:10px 0 0}.chat-shell{width:100%;max-width:none}.chat-slogan{margin:0 0 20px;color:#182338;font-size:50px;font-weight:820;line-height:1.2;letter-spacing:-.8px}.chat-slogan span{color:var(--primary-dark)}.chat-model{margin-bottom:18px}.ghost-select{min-width:220px;height:42px;border:1px solid var(--border);border-radius:14px;background:#ffffffdb;box-shadow:0 8px 18px #12192a08;color:#35425c;padding:0 14px;font-size:14px}.chat-card{position:relative;width:100%;overflow:hidden;border:1px solid var(--border);border-radius:30px;background:linear-gradient(180deg,#ffffffe0,#f8faffd1);box-shadow:0 28px 78px #2339691a,0 12px 28px #0f172a0b;padding:32px 38px 28px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.chat-card:after{content:"";position:absolute;top:-80px;right:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(91,120,255,.18),transparent 62%);pointer-events:none}.chat-subhero{margin-bottom:8px;color:#5b78ff;font-size:24px;font-weight:760}.chat-subline{margin-bottom:26px;color:#67738c;font-size:16px;line-height:1.75}.prompt-box{border:1px solid #e3eaf6;border-radius:24px;background:linear-gradient(180deg,#fff,#fbfcff);box-shadow:inset 0 1px #fffc,0 12px 28px #23396909;padding:22px 22px 15px}.prompt-box textarea{width:100%;height:120px;resize:none;border:0;outline:0;background:transparent;color:#30405a;font-family:inherit;font-size:16px;line-height:1.85}.prompt-box textarea::placeholder{color:#a0aac0}.prompt-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;border-top:1px solid #edf2f8;padding-top:12px}.prompt-pills,.send-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.tool-pill{display:inline-flex;height:36px;align-items:center;gap:8px;border:1px solid #e6ebf4;border-radius:999px;background:#f7f9fd;color:#5b6780;padding:0 12px;font-size:13px;font-weight:700;text-decoration:none}.tool-pill svg{width:16px;height:16px}.tool-pill.active{border-color:#dfe7fb;background:#eef3ff;color:#4f67f5}.upload-pill{background:#fff}.icon-round{width:40px;height:40px;border:0;border-radius:50%;background:#eef3ff;color:var(--primary-dark);font-size:18px}.send-main{display:grid;width:46px;height:46px;place-items:center;border:0;border-radius:50%;background:linear-gradient(135deg,#7a92ff,#5b78ff);box-shadow:0 14px 26px #5b78ff47;color:#fff}.send-main:disabled{cursor:not-allowed;opacity:.5}.send-main svg{width:20px;height:20px}.chat-result-panel{display:none;margin-top:18px;border:1px solid #e8edf7;border-radius:22px;background:#fbfcff;padding:18px}.chat-result-panel.show{display:block}.chat-result-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}.chat-result-title{color:#1f2c45;font-size:16px;font-weight:800}.chat-result-sub{margin-top:4px;color:#8b96aa;font-size:12px}.chat-status{display:inline-flex;height:28px;align-items:center;border-radius:999px;background:#eef3ff;color:#526bff;padding:0 10px;font-size:12px;font-weight:800}.chat-flow{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.chat-flow span{display:inline-flex;height:28px;align-items:center;border:1px solid #edf1f7;border-radius:999px;background:#fff;color:#6c778e;padding:0 10px;font-size:12px;font-weight:700}.chat-result-body{max-height:min(30vh,310px);overflow:auto;border:1px solid #edf1f7;border-radius:16px;background:#fff;color:#59657d;padding:14px;font-size:13px;line-height:1.8;white-space:pre-line}.message-actions{display:flex;gap:8px;margin-top:12px}.message-actions button{height:30px;border:1px solid #e5ebf5;border-radius:10px;background:#fff;color:#65728b;padding:0 10px;font-size:12px;font-weight:700}.ask-title{margin:22px 0 12px;color:#44516a;font-size:15px;font-weight:800}.ask-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.ask-chip{display:flex;height:58px;min-height:58px;align-items:center;justify-content:center;border:1px solid #e8eef9;border-radius:17px;background:#f6f8ff;color:#4e5d79;padding:0 14px;text-align:center;font-size:13px;line-height:1.45}.ask-chip span{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.home-logo-list{margin-top:26px;overflow:hidden;border:1px solid rgba(225,231,242,.9);border-radius:20px;background:#ffffffad;padding:18px 22px}.home-logo-list img{display:block;width:100%;height:auto;opacity:.92}.menu-btn{display:none;width:42px;height:42px;margin-bottom:12px;border:1px solid var(--border);border-radius:12px;background:#ffffffdb;padding:10px}.menu-btn span{display:block;height:2px;margin:4px 0;background:#33415c}.qa-workspace{display:none;height:100%;min-height:0;flex-direction:column;overflow:hidden;border:1px solid #dfe7f3;border-radius:24px;background:#ffffffe0;box-shadow:var(--shadow)}.qa-workspace.show{display:flex}.qa-topbar{display:grid;flex-shrink:0;grid-template-columns:40px minmax(0,1fr) 220px;height:58px;align-items:center;gap:12px;border-bottom:1px solid #e1e8f3;background:#fffffff5;padding:0 18px}.qa-back-btn{display:grid;width:34px;height:34px;place-items:center;border:1px solid #e3e9f3;border-radius:12px;background:#fff;color:#5c6880}.qa-back-btn svg{width:18px;height:18px}.qa-question-title{min-width:0;overflow:hidden;color:#111c30;text-overflow:ellipsis;white-space:nowrap;font-size:18px;font-weight:780}.qa-model-select{height:38px;border:1px solid #dbe3ef;border-radius:12px;background:#fff;color:#47536b;padding:0 12px;font-size:14px}.qa-body{display:grid;flex:1;min-height:0;grid-template-columns:minmax(0,1fr) 360px;background:#fff}.qa-answer-pane{position:relative;display:flex;min-width:0;min-height:0;flex-direction:column;border-right:1px solid #e1e8f3;background:linear-gradient(180deg,#fff,#fbfcff)}.qa-scroll-inner{width:100%;margin:0;padding:24px 30px 100px;overflow:auto;scrollbar-color:rgba(88,101,130,.18) transparent;scrollbar-width:thin}.qa-scroll-inner::-webkit-scrollbar,.qa-side-pane::-webkit-scrollbar,.sidebar-scroll::-webkit-scrollbar{width:6px;height:6px}.qa-scroll-inner::-webkit-scrollbar-track,.qa-side-pane::-webkit-scrollbar-track,.sidebar-scroll::-webkit-scrollbar-track{background:transparent}.qa-scroll-inner::-webkit-scrollbar-thumb,.qa-side-pane::-webkit-scrollbar-thumb,.sidebar-scroll::-webkit-scrollbar-thumb{border-radius:999px;background:#58658229}.qa-scroll-inner::-webkit-scrollbar-thumb:hover,.qa-side-pane::-webkit-scrollbar-thumb:hover,.sidebar-scroll::-webkit-scrollbar-thumb:hover{background:#5865823d}.qa-message{display:grid;grid-template-columns:minmax(0,1fr);margin-bottom:18px}.qa-message.user{grid-template-columns:minmax(0,1fr)}.qa-message .qa-avatar{display:none}.qa-message.user .qa-bubble{grid-column:1;grid-row:1;justify-self:end;max-width:min(720px,100%);background:linear-gradient(135deg,#233251,#172338);color:#fff}.qa-avatar{display:grid;width:40px;height:40px;place-items:center;border-radius:50%;background:#eef3ff;color:var(--primary-dark);font-size:13px;font-weight:800}.qa-bubble{width:fit-content;max-width:min(840px,100%);border:1px solid rgba(226,232,241,.95);border-radius:18px;background:#fff;box-shadow:0 10px 24px #12192a0a;color:#263149;padding:14px 16px}.plain-message{white-space:pre-wrap;word-break:break-word;font-size:15px;line-height:1.75}.thinking{display:flex;align-items:center;gap:6px;height:26px}.thinking span{width:7px;height:7px;border-radius:50%;background:var(--primary);animation:pulse .9s infinite ease-in-out}.thinking span:nth-child(2){animation-delay:.12s}.thinking span:nth-child(3){animation-delay:.24s}.markdown-body{color:#33415c;word-break:break-word;font-size:15px;line-height:1.78}.markdown-body>*:first-child{margin-top:0}.markdown-body>*:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:12px 0 8px;color:#18233b;line-height:1.35}.markdown-body h1{font-size:20px}.markdown-body h2{font-size:18px}.markdown-body h3{font-size:16px}.markdown-body p{margin:8px 0;white-space:normal}.markdown-body hr{height:1px;margin:18px 0;border:0;background:linear-gradient(90deg,transparent,rgba(116,130,158,.24),transparent)}.markdown-body blockquote{margin:10px 0;border-left:3px solid rgba(91,120,255,.18);border-radius:0 10px 10px 0;background:#f6f8fdb8;color:#53617a;padding:8px 12px}.markdown-body ul,.markdown-body ol{margin:8px 0;padding-left:22px}.markdown-body li{margin:5px 0}.markdown-body strong{color:#18233b;font-weight:800}.markdown-body code{border:1px solid #e6ebf4;border-radius:6px;background:#f7f9fd;color:#405171;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.92em}.markdown-body a{color:var(--primary-dark);font-weight:700;text-decoration:none}.markdown-body a:hover{text-decoration:underline}.md-image-figure{max-width:100%;margin:12px 0}.md-image-figure img,.md-inline-image{display:block;max-width:100%;height:auto;border:1px solid rgba(226,232,241,.95);border-radius:12px;background:#f8fafc;object-fit:contain}.md-image-figure img{max-height:420px}.md-image-figure figcaption{margin-top:6px;color:#7c879d;font-size:12px;line-height:1.45}.md-inline-image{margin:8px 0}.source-references{margin-top:16px;border-top:1px solid #edf1f7;padding-top:14px}.source-title{margin-bottom:10px;color:#52617a;font-size:13px;font-weight:800}.source-list{display:grid;gap:10px}.source-item{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px;border:1px solid #e8eef8;border-radius:14px;background:#fafcff;padding:10px}.source-index{display:grid;width:24px;height:24px;place-items:center;border-radius:8px;background:#eef3ff;color:var(--primary-dark);font-size:12px;font-weight:900}.source-main{min-width:0}.source-name{display:flex;align-items:center;gap:8px;color:#24314b;font-size:13px;font-weight:800;line-height:1.35}.source-name span{flex-shrink:0;border-radius:999px;background:#f2f5fb;color:#7a869c;padding:2px 7px;font-size:11px;font-weight:800}.source-content{display:-webkit-box;overflow:hidden;margin-top:6px;color:#6b768d;font-size:12px;line-height:1.65;-webkit-box-orient:vertical;-webkit-line-clamp:3}.md-code{position:relative;overflow:auto;margin:10px 0;border:1px solid #e4eaf5;border-radius:14px;background:#111827;color:#e5e7eb;padding:14px}.md-code code{border:0;background:transparent;color:inherit;padding:0;white-space:pre}.md-code-lang{display:block;margin-bottom:8px;color:#93a4c7;font-size:12px;font-weight:800}.qa-composer{position:absolute;right:0;bottom:0;left:0;display:grid;grid-template-columns:42px minmax(0,1fr) 46px;gap:12px;align-items:end;border-top:1px solid #e8edf7;background:#fffffff0;padding:16px 20px}.qa-composer textarea{min-height:48px;max-height:120px;resize:vertical;border:1px solid #e3e9f3;border-radius:16px;background:#fff;outline:0;color:#26324a;padding:13px 14px;line-height:1.6}.composer-tool,.composer-send{display:grid;place-items:center;border:0}.composer-tool{width:42px;height:42px;border:1px solid #e3e9f3;border-radius:14px;background:#f8faff;color:#61708a}.composer-tool svg,.composer-send svg{width:20px;height:20px}.composer-send{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#7a92ff,#5b78ff);box-shadow:0 14px 26px #5b78ff40;color:#fff}.composer-send:disabled{cursor:not-allowed;opacity:.48}.composer-send.stop{background:#eef3ff;color:var(--primary-dark);font-size:18px;font-weight:900}.qa-side-pane{min-width:0;overflow:auto;background:linear-gradient(180deg,#fbfcff,#f5f8ff);padding:22px;scrollbar-color:rgba(88,101,130,.14) transparent;scrollbar-width:thin}.qa-side-title{margin-bottom:14px;color:#1f2c45;font-size:16px;font-weight:800}.qa-side-card{margin-top:16px;border:1px solid #e8edf7;border-radius:18px;background:#fff;padding:16px}.qa-side-label{margin-bottom:8px;color:#8b96aa;font-size:12px;font-weight:800}.qa-side-text{color:#59657d;font-size:13px;line-height:1.7}@keyframes pulse{0%,80%,to{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@keyframes fade{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1500px){.ask-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:1100px){body{overflow:auto}.app{height:auto;min-height:100%;flex-direction:column}.sidebar{position:fixed;left:0;top:0;width:min(360px,88vw);transform:translate(-100%);transition:transform .22s ease}.sidebar.open{transform:translate(0)}.menu-btn{display:block}.main{min-height:100vh;padding:18px}.chat-slogan{font-size:38px}.chat-card{padding:24px 20px;border-radius:24px}.prompt-actions{align-items:stretch;flex-direction:column}.send-actions{justify-content:flex-end}.ask-grid{grid-template-columns:1fr}.qa-topbar{grid-template-columns:40px minmax(0,1fr)}.qa-model-select,.qa-side-pane{display:none}.qa-body{grid-template-columns:1fr}.qa-answer-pane{border-right:0}.qa-scroll-inner{width:100%;padding-right:16px;padding-left:16px}.qa-message.user .qa-bubble{max-width:100%}}