:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#172c42;background:#f6f8fb;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}a,button,input{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #5285d7;outline-offset:4px}.page{max-width:1180px;margin:auto;padding:0 32px}.header{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:750}.brand:first-letter{color:#365ad2}nav{display:flex;align-items:center;gap:28px;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:15px 23px;border:1px solid transparent;border-radius:12px;color:white;background:#315cce;font-weight:650;cursor:pointer;min-height:48px}.button:hover{background:#254cac}.button.small{padding:10px 18px;min-height:42px}.secondary{background:white;border-color:#dbe3ee;color:#263d5a}.secondary:hover{background:#edf2fb}.hero{padding:72px 0 84px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:64px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:#4266aa;margin:0 0 20px}h1{font-size:clamp(34px,4.2vw,52px);line-height:1.3;letter-spacing:-1.5px;margin:0 0 24px}p{line-height:1.85}.lead{color:#627186;font-size:16px;margin:0 0 28px}.actions{display:flex;flex-wrap:wrap;gap:12px}.hint{font-size:12px;color:#6e7c8f;margin:18px 0 0;line-height:1.8}.preview{background:white;border:1px solid #dfe6f0;border-radius:24px;padding:25px;box-shadow:0 22px 65px #243f7010;display:flex;flex-direction:column;gap:20px}.preview-head{display:flex;gap:10px;align-items:center;border-bottom:1px solid #eef1f6;padding-bottom:22px}.mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#eaf0ff;color:#315cce;flex-shrink:0}.preview-head strong{font-size:14px}.preview-head small{display:block;font-size:11px;color:#8490a1;margin-top:5px}.demo{margin-left:auto;font-size:10px;color:#8290a3;white-space:nowrap}.sample{font-size:13px;border-radius:13px;padding:14px 16px;max-width:92%;line-height:1.7}.customer{align-self:flex-end;background:#315cce;color:white;border-bottom-right-radius:3px}.assistant{background:#f3f6fa;border-bottom-left-radius:3px}.sample p{margin:6px 0 0;line-height:1.75}.tag{color:#4266aa;font-size:11px;font-weight:700}.tag.human{color:#237970}.handoff{display:flex;justify-content:center;align-items:center;gap:12px;font-size:10px;color:#77879c}.handoff i{font-style:normal;color:#a8b4c6}.section-heading{margin-bottom:28px}.section-heading .eyebrow{margin-bottom:10px}h2{font-size:26px;line-height:1.5;margin:0}h3{font-size:19px;margin:18px 0 10px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards article{padding:28px;border:1px solid #e0e6f0;border-radius:16px;background:white}.number{font-size:11px;color:#6680aa;letter-spacing:1px}.cards p{font-size:14px;color:#6c798c;margin:0}.start{margin-top:56px;padding:30px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;border-top:1px solid #dfe6f0}.start h2{font-size:21px}.start p{font-size:14px;color:#6c798c;margin:6px 0 0}.text-link{font-size:14px;color:#315cce;white-space:nowrap}footer{padding:28px 0;display:flex;justify-content:space-between;gap:15px;color:#8290a2;font-size:11px}.login-shell{max-width:520px;margin:70px auto;padding:0 24px}.back{display:inline-block;font-size:14px;color:#66768c;margin-bottom:22px}.login-card{padding:36px;background:white;border:1px solid #dfe6f0;border-radius:20px}.login-card h1{font-size:30px;letter-spacing:0;margin-bottom:18px}.login-card .lead{font-size:14px}.login-card label{display:block;font-size:14px;font-weight:600;margin:0 0 10px}.login-card input[type=text]{display:block;width:100%;min-width:0;height:48px;border:1px solid #ccd6e5;border-radius:9px;padding:0 12px;font-size:16px}.login-card .button{width:100%;margin-top:24px}.switch{display:inline-block;margin-top:24px;font-size:13px;color:#315cce}.error{font-size:13px;color:#ba3030;overflow-wrap:anywhere}@media(max-width:800px){.hero{gap:32px;padding:40px 0 56px;grid-template-columns:1fr}.preview{max-width:540px;width:100%}.cards{grid-template-columns:1fr}.cards article{padding:24px}.start{align-items:flex-start;flex-direction:column;gap:18px}.hero h1{font-size:40px}}@media(max-width:480px){.page{padding:0 20px}.header{min-height:80px;gap:10px}.brand{font-size:16px;gap:7px}nav{gap:12px;font-size:12px}.button.small{padding:9px 12px}.hero{padding-top:28px}.hero h1{font-size:34px}.preview{padding:18px;gap:16px}.preview-head{gap:8px}.preview-head strong{font-size:12px}.preview-head small{font-size:10px}.demo{font-size:9px}.lead{font-size:15px}.actions .button{flex:1;padding:14px 12px;gap:15px}h2{font-size:23px}.handoff{gap:8px}footer{flex-direction:column;gap:6px}.login-shell{margin:28px auto;padding:0 18px}.login-card{padding:26px 20px}.login-card .eyebrow{margin-bottom:16px}}
.login-card input[type=password]{display:block;width:100%;min-width:0;height:48px;border:1px solid #ccd6e5;border-radius:9px;padding:0 12px;font-size:16px}.login-card .password-label{margin-top:20px}.login-card button{overflow-wrap:anywhere;white-space:normal}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:#315cce;color:#fff}.trust-row{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:22px;color:#536a82;font-size:12px}.role-entry{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:8px 0 78px}.role-entry article{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:24px;border:1px solid #dfe6f0;border-radius:18px;background:#fff}.role-entry h2{font-size:18px}.role-entry p{font-size:13px;color:#6c798c;margin:4px 0 0}.role-entry a{color:#315cce;font-size:13px;font-weight:650}.role-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:#eaf0ff;color:#315cce;font-weight:750}.role-icon.support{background:#e8f7f3;color:#237970}.auth-page{min-height:100vh;background:radial-gradient(circle at 50% 0,#eaf0ff 0,transparent 42%),#f6f8fb}.register-card{border-top:4px solid #315cce}.auth-foot{font-size:13px;color:#68788d;text-align:center;margin:24px 0 0}.auth-foot a,.register-link{color:#315cce;font-weight:650}.auth-links{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.login-card input[type=text],.login-card input[type=password]{transition:border-color .15s,box-shadow .15s}.login-card input:focus{border-color:#4e70d8;box-shadow:0 0 0 4px #315cce14;outline:none}@media(max-width:800px){.header nav>a:first-child{display:none}.role-entry{grid-template-columns:1fr;margin-bottom:56px}}@media(max-width:600px){.header nav{gap:8px}.header nav>a:not(.button){display:none}.role-entry article{grid-template-columns:auto 1fr}.role-entry article>a{grid-column:2}.trust-row{flex-direction:column;gap:8px}}