:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:#243445;background:#f6f8fa;font-synthesis:none;--blue:#245ca6;--line:#e2e7ed;--muted:#7a8794}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #a7cafa;outline-offset:3px}[hidden]{display:none!important}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:650}.brand-en{font-size:11px;letter-spacing:3px;margin-left:10px;font-weight:500;color:#718398}.logo{display:grid;place-items:center;background:#245ca6;color:white;width:40px;height:40px;border-radius:12px;font-size:22px}.eyebrow{display:block;font-size:11px;letter-spacing:2px;color:#7a8899}.login-screen{min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center;padding:70px max(6vw,35px);background:radial-gradient(ellipse at 15% 35%,#eaf0f7,transparent 65%)}.login-story .brand{margin-bottom:90px}.login-story h1{font-size:clamp(36px,4vw,56px);letter-spacing:-2px;line-height:1.5;font-weight:500;margin:20px 0}.login-story p{line-height:2;color:#687b8f;font-size:16px}.story-note{margin-top:70px;font-size:12px;color:#6b8097;display:flex;gap:16px;align-items:center}.story-note span{font-size:10px;color:#245ca6;border-top:1px solid #245ca6;padding-top:3px}.login-card{max-width:410px;background:white;padding:42px;border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 60px #23415c08}.login-card h2{font-size:26px;font-weight:550;margin:16px 0}.login-card>p{font-size:13px;color:#7a8794;margin-bottom:30px}.login-card label{display:block;font-size:13px;margin:22px 0}.login-card input{display:block;width:100%;padding:13px;border:1px solid var(--line);border-radius:8px;margin-top:10px}.primary{border:0;border-radius:8px;background:var(--blue);color:white;font-size:13px;padding:12px 20px;font-weight:600}.login-card .primary{display:flex;justify-content:space-between;width:100%;margin-top:30px}.login-card small{display:block;font-size:11px;color:#8994a1;line-height:1.8}.error{font-size:12px;color:#ad4237!important;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;min-height:0;margin:8px 0}.workspace{display:grid;grid-template-columns:252px minmax(0,1fr);height:100dvh}.sidebar{padding:30px 18px 20px;background:#edf1f5;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.sidebar .brand{padding-left:12px;margin-bottom:35px}.new-chat{background:#fff;border:1px solid #d9e1e9;color:#315e96;padding:13px 20px;text-align:left;border-radius:9px;font-size:13px}#mobile-conversations{display:none}.section-label{font-size:11px;color:#8793a2;letter-spacing:1px;margin:30px 12px 14px}nav{overflow:auto;flex:1}nav 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36px;color:#7b8997;font-size:11px;line-height:1.7;background:#fafbfd}.thread{flex:1;overflow:auto;padding:24px 36px;scroll-behavior:smooth}.welcome{max-width:760px;margin:7vh auto 30px;text-align:center}.welcome-mark{display:block;font-size:52px;color:#517daa;margin-bottom:28px}.welcome h1{font-size:28px;letter-spacing:-.5px;font-weight:500;margin:18px 0}.welcome p{font-size:13px;color:#85919e;line-height:1.8}.suggestions{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.suggestions button{background:#fafbfd;border:1px solid var(--line);border-radius:12px;text-align:left;padding:22px 18px;font-size:13px;color:#45617e}.suggestions button span{float:right;color:#8b9db0}.suggestions small{display:block;font-size:10px;color:#8b98a7;margin-top:12px}.composer-wrap{max-width:960px;width:100%;margin:0 auto;padding:15px 36px 18px}.composer{border:1px solid #dce4ed;border-radius:14px;padding:16px;background:#fcfdff;box-shadow:0 4px 20px #213f5505}.composer textarea{display:block;width:100%;border:0;background:transparent;resize:vertical;min-height:65px;max-height:240px;font-size:14px;line-height:1.8;color:#2e455d;outline:0}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.composer-bottom>span{font-size:10px;color:#96a2af}.footnote{font-size:10px;line-height:1.7;color:#9aa5b1;text-align:center;padding:12px 0 0}.job-status{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#567ea8;font-size:12px;margin-bottom:10px}.job-status button{font-size:11px;background:white;border:1px solid var(--line);padding:5px 10px;border-radius:6px}.message{max-width:810px;margin:0 auto 24px}.message .role{font-size:11px;color:#7c8c9f;margin-bottom:9px;letter-spacing:1px}.message .content{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.9}.message.user .content{background:#f0f4f8;border-radius:12px;padding:16px 20px}.message.assistant .content{padding:10px 0 20px}.message .error{font-size:11px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:900px){.workspace{grid-template-columns:210px minmax(0,1fr)}.suggestions{grid-template-columns:1fr}.suggestions button{padding:14px}.suggestions small{margin-top:6px}.welcome{margin-top:3vh}.login-screen{gap:30px;padding:40px}.story-note{display:none}}@media(max-width:620px){.login-screen{display:block;padding:28px 20px}.login-story .brand{margin-bottom:32px}.login-story h1{font-size:30px}.login-story p,.login-story>.eyebrow{display:none}.login-card{padding:26px;max-width:none;margin-top:30px}.workspace{grid-template-columns:1fr}.sidebar{height:76px;flex-direction:row;align-items:center;gap:12px;padding:12px 16px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{font-size:18px;margin:0;padding:0}.sidebar .logo{width:32px;height:32px;font-size:18px}.sidebar .section-label{display:none}.sidebar .sidebar-footer{display:block;border:0;padding:0}.sidebar-footer #employee,.sidebar-footer #quota{display:none}.sidebar-footer .text-button{padding:0;white-space:nowrap}.sidebar .new-chat{padding:10px;font-size:12px;white-space:nowrap}.sidebar nav{display:none}#mobile-conversations{display:block;min-width:0;flex:1;width:100%;padding:9px 3px;border:1px solid #d9e1e9;border-radius:7px;color:#567291;background:white;font-size:11px}.sidebar{gap:8px}.sidebar nav button{display:none}.sidebar nav button.active{display:block}.workspace{grid-template-rows:76px minmax(0,1fr)}.main-panel header{padding:14px 18px}header .eyebrow{font-size:9px}.notice{padding:8px 18px;font-size:10px}.thread{padding:16px 20px}.welcome h1{font-size:22px}.welcome-mark{font-size:38px;margin-bottom:16px}.welcome{margin:20px auto}.suggestions{margin-top:24px}.composer-wrap{padding:10px 14px max(12px,env(safe-area-inset-bottom))}.footnote{font-size:9px}.composer-bottom>span{font-size:9px}}