:root{--ink:#142d4e;--muted:#62738b;--blue:#2458d5;--blue-dark:#1743ae;--base:#f1f5fa;--line:#e2e8f1;--white:#fff;--soft:#eef3fe;--danger:#a63c37;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--base);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:14px}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button,input,textarea{outline:none}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #9cb8ff;outline-offset:3px}button{transition:background .14s,color 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var(--line);background:none;display:flex;gap:12px;text-align:left;align-items:center;color:var(--ink)}.quick-task strong{display:block;font-size:13px;font-weight:500;line-height:1.6}.quick-task span{display:block;font-size:11px;color:#8290a3;line-height:1.65;margin-top:2px}.quick-task:after{content:'↗';margin-left:auto;color:#93a7c6;font-size:16px}.quick-task:hover strong,.quick-task:hover:after{color:var(--blue)}.empty-tip{font-size:11px;color:#8b97a8;margin-top:18px;line-height:1.8}.messages{padding:24px 29px;max-width:860px;margin:auto}.message{margin-bottom:27px}.message-heading{display:flex;align-items:center;gap:8px;margin-bottom:9px;font-size:12px;color:var(--muted)}.message-role{width:24px;height:24px;border-radius:6px;background:#eaf0fb;color:#335c9b;display:grid;place-items:center;font-weight:600;font-size:11px}.message.user 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var(--line);background:#fff}.composer textarea{resize:vertical;min-height:77px;max-height:210px;width:100%;border:1px solid #d3deed;border-radius:7px;padding:13px 15px;color:var(--ink);line-height:1.8;font-size:14px;background:#fcfdff}.composer textarea::placeholder{color:#96a3b5}.composer textarea:focus{border-color:#7296eb;background:#fff;box-shadow:0 0 0 3px #2458d50a}.composer-footer{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:11px}.composer-help{font-size:10px;color:#8a98ac;line-height:1.7}.keyboard-help{display:block}.primary-button{border:1px solid var(--blue);background:var(--blue);color:#fff;border-radius:6px;font-size:13px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:12px;white-space:nowrap;font-weight:500}.primary-button:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.primary-button svg{width:17px;height:17px}.workspace-foot{font-size:10px;color:#8795a8;text-align:center;line-height:1.8;margin:13px 0 0}.progress{font-size:12px;color:#607da8;display:flex;gap:9px;align-items:center;padding:11px 24px;background:#f7faff;border-top:1px solid #ecf1fa}.progress-spinner{width:13px;height:13px;border:2px solid #dbe5f9;border-top-color:var(--blue);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.request-error{background:#fff7f5;border-top:1px solid #f3ddd7;padding:10px 23px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:var(--danger);line-height:1.8}.request-error .text-button{color:var(--danger)}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;border-radius:7px;padding:11px 20px;font-size:12px;z-index:20;box-shadow:0 3px 15px #142d4e22}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.login-view{min-height:100dvh;display:grid;place-items:center;padding:35px 24px;background:#eef3fa}.login-shell{width:min(900px,100%)}.login-brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:600;margin-bottom:29px}.login-card{display:grid;grid-template-columns:1fr 1fr;min-height:350px;background:white;border:1px solid #dbe4f0;border-radius:13px;overflow:hidden;box-shadow:0 16px 50px #24466a08}.login-intro{background:#e7eef9;padding:45px 38px}.intro-line{width:33px;height:3px;background:var(--blue);display:block;margin-bottom:27px}.login-intro h1{font-size:24px;font-weight:600;line-height:1.6;margin:0 0 15px;max-width:220px}.login-intro p{color:#647b9b;font-size:13px;line-height:1.9;margin:0;max-width:260px}.login-directions{display:flex;gap:8px;flex-wrap:wrap;max-width:265px;margin-top:27px}.login-directions span{font-size:11px;border:1px solid #cddbef;color:#627a9d;padding:4px 8px;border-radius:4px}.login-form{padding:45px 38px;display:flex;flex-direction:column;align-items:stretch}.login-form h2{font-size:18px;font-weight:600;margin:0 0 28px}.login-form label{font-size:12px;margin-bottom:9px;color:#536b8b}.login-form input{width:100%;border:1px solid #d2deed;border-radius:6px;padding:12px;font-size:13px;min-height:45px}.login-form input::placeholder{color:#a0adbf}.field-help{font-size:11px;color:#8392a8;margin:9px 0 0;line-height:1.8}.login-error{min-height:22px;font-size:12px;line-height:1.8;color:var(--danger);margin:8px 0}.login-foot{color:#8190a6;font-size:11px;text-align:center;line-height:1.9;margin-top:22px}
@media(min-width:1500px){.work-area{padding-top:40px}.empty-state{padding-top:65px}.conversation-panel{height:calc(100dvh - 239px)}}
@media(max-width:1050px){.workspace{grid-template-columns:207px 1fr}.sidebar{padding:26px 13px 0}.brand{padding:0 8px 32px;gap:9px}.brand strong{font-size:15px}.topbar{padding:0 25px}.work-area{padding:28px 25px 16px}.empty-state{padding:35px 23px 25px}.conversation-panel{height:calc(100dvh - 220px)}}
@media(max-width:760px){.workspace{display:block}.sidebar{position:relative;top:auto;width:100%;height:auto;padding:14px 16px 0;border-right:0;border-bottom:1px solid var(--line)}.brand{padding:0 0 15px;gap:9px}.brand .brand-mark{width:31px;height:31px;font-size:17px;border-radius:8px}.brand strong{font-size:15px}.brand div{display:flex;align-items:baseline;gap:9px}.brand div>span{font-size:10px;margin:0}.nav-heading,.sidebar-note,.account-avatar,.account>div{display:none}.account{position:absolute;right:14px;top:13px;border:0;padding:0}.account .icon-button{padding:7px}.module-nav{flex-direction:row;overflow-x:auto;gap:5px;padding-bottom:9px;scrollbar-width:none}.module-button{width:auto;flex-shrink:0;padding:10px 12px;gap:7px;font-size:12px;border-radius:5px;white-space:nowrap}.module-button svg{height:17px;width:17px}.module-button[aria-current=page]{box-shadow:none}.nav-arrow{display:none}.topbar{display:none}.work-area{padding:20px 14px 15px;max-width:700px}.page-heading{margin-bottom:17px;gap:10px}.page-heading h1{font-size:20px;margin-bottom:6px}.page-heading p{font-size:11px;max-width:280px;line-height:1.7}.secondary-button{font-size:12px;padding:9px 10px}.secondary-button svg{height:16px;width:16px}.conversation-panel{height:calc(100dvh - 250px);min-height:570px;border-radius:8px}.conversation-toolbar{padding:0 15px;font-size:11px;min-height:47px}.conversation-toolbar .text-button{font-size:11px}.empty-state{padding:29px 19px 24px}.empty-icon{width:37px;height:37px;margin-bottom:17px}.empty-state h2{font-size:20px}.empty-state>p{font-size:12px}.quick-tasks{gap:0 18px;margin-top:20px}.quick-task{padding:13px 0}.quick-task strong{font-size:12px}.quick-task span{font-size:10px}.quick-task:after{font-size:13px}.empty-tip{font-size:10px}.composer{padding:13px}.composer textarea{font-size:16px;min-height:90px;padding:11px}.composer-help{font-size:9px;max-width:190px}.keyboard-help{display:none}.primary-button{font-size:12px;padding:10px 13px;gap:7px}.messages{padding:20px 15px}.message-text{font-size:13px;padding-left:0}.message.user .message-text{margin-left:0}.message-tools,.sources{margin-left:0}.request-error{padding:10px 14px;gap:10px;align-items:start;flex-direction:column}.progress{padding:10px 14px;font-size:11px}.workspace-foot{font-size:9px;max-width:330px;margin:11px auto 0}.login-shell{max-width:450px}.login-card{display:block}.login-intro{padding:26px 26px 23px}.login-intro h1{font-size:21px;max-width:none;margin-bottom:8px}.intro-line{margin-bottom:16px}.login-intro p{font-size:12px;max-width:none}.login-directions{margin-top:17px;max-width:none}.login-form{padding:27px 26px 30px}.login-form h2{font-size:17px;margin-bottom:23px}.login-form input{font-size:16px}.login-brand{font-size:16px;margin-bottom:20px}.login-foot{font-size:10px}.login-view{padding:24px 18px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.context-notice{font-size:11px;line-height:1.8;color:#6e7f98;background:#f7f9fd;border-top:1px solid var(--line);padding:9px 23px;margin:0}.composer-help:after{content:' 单次问题最多3000字。'}
@media(max-width:760px){.context-notice{padding:9px 14px;font-size:10px}.composer-help:after{content:''}}

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@media(max-width:760px){.markdown-body h1{font-size:19px}.markdown-body h2{font-size:17px}.markdown-body h3{font-size:15px}.markdown-table{font-size:11px}.markdown-table td,.markdown-table th{padding:9px 11px}.markdown-body pre{padding:12px;max-width:100%}}