:root{--paper:#f8f7f4;--surface:#fff;--side:#f0efeb;--ink:#252c29;--muted:#777c76;--line:#e4e5df;--green:#075f42;--green-soft:#e5eee7;--danger:#a13e36;--radius:16px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid 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.auth-layout{display:grid;grid-template-columns:1fr 1fr;min-height:100dvh;background:#fbfbf8}.auth-story{padding:44px 58px 32px;background:#ecefe7;display:flex;flex-direction:column;position:relative;overflow:hidden}.auth-story .brand{padding:0;font-size:21px}.auth-story-body{margin:auto 0;padding:80px 0}.auth-story-body .eyebrow{color:#7c8a74;letter-spacing:.14em}.auth-story h1{font-size:clamp(38px,4.6vw,66px);line-height:1.35;font-weight:450;letter-spacing:-.06em;margin:22px 0 25px;color:#284435}.auth-story p{font-size:14px;color:#768170;line-height:2;margin-bottom:42px}.auth-feature{display:flex;align-items:center;gap:13px;font-size:12px;color:#687760;padding:10px 0}.auth-feature .icon{width:17px;height:17px}.auth-story-foot{font-size:9px;letter-spacing:.2em;color:#91a087}.auth-form-area{display:grid;place-items:center;padding:50px}.auth-form{max-width:360px;width:100%}.auth-form h2{font-size:32px;font-weight:450;letter-spacing:-.04em;margin:16px 0}.auth-form>p{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:32px}.auth-form .field{margin-bottom:22px}.auth-form .field input{padding:13px 14px;background:#fff;font-size:14px}.auth-submit{width:100%;justify-content:space-between;margin-top:9px;padding:13px 16px}.auth-form p.auth-switch{display:flex;align-items:center;justify-content:center;gap:6px;margin:25px 0 15px}.auth-form .auth-fineprint{font-size:10px;color:#9bA291;margin-top:40px;margin-bottom:0}.consent-row{display:flex;align-items:flex-start;gap:9px;font-size:11px;line-height:1.8;margin-bottom:18px;color:var(--muted)}.consent-row input{margin-top:4px;accent-color:var(--green)}.consent-row a{text-decoration:underline;text-underline-offset:3px}@media(max-width:760px){.auth-layout{grid-template-columns:1fr}.auth-story{padding:24px 28px;background:var(--paper)}.auth-story .brand{font-size:18px}.auth-story-body,.auth-story-foot{display:none}.auth-form-area{padding:30px 28px 55px;place-items:start center}.auth-form{max-width:420px}.auth-form h2{font-size:31px}.auth-form .field input{font-size:16px}.auth-form .auth-fineprint{margin-top:27px}}
.conversation-tools{display:flex;align-items:center;gap:3px;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:10px}.conversation-tools>span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-tools .icon-button{width:30px;height:30px}.conversation-tools .icon{width:15px;height:15px}.signout{font-size:10px;color:#8b9484;margin:6px 0 0 49px}
.usage-filters{display:flex;gap:12px;align-items:flex-end;margin-bottom:25px;flex-wrap:wrap}.usage-filters .field{margin:0;flex:1;min-width:130px}.usage-filters .field select,.usage-filters .field input{font-size:11px}.usage-filters>.button{margin-bottom:1px}.api-endpoints{display:flex;flex-direction:column;gap:7px;padding:10px 0 15px;color:#56704b;font-size:11px}.api-endpoints code{overflow-wrap:anywhere}@media(max-width:760px){.sidebar{visibility:hidden}.shell.nav-open .sidebar{visibility:visible}.usage-filters .field{min-width:140px}.usage-filters>.button{align-self:flex-end}}

/* Official YueXin assets are copied verbatim from the existing company application. */
.official-brand{display:flex;flex-direction:column;gap:5px}.brand-wordmark{width:136px;height:auto;display:block;object-fit:contain}.official-brand small{padding-left:38px;font-size:9px;letter-spacing:.12em}.brand-mark{background:transparent;object-fit:contain;border-radius:0}.welcome-emblem{background:transparent;border:0;transform:none;border-radius:0}.welcome-emblem img{display:block;object-fit:contain}.mobile-brand{display:none}.auth-story .brand-wordmark{width:156px}.auth-story .official-brand small{padding-left:44px}@media(max-width:760px){.mobile-brand{display:block;flex-shrink:0}.auth-story .brand-wordmark{width:136px}.auth-story .official-brand small{padding-left:38px}.welcome-emblem img{width:42px;height:42px}.topbar-left{gap:6px}}
/* Cross-review refinements: readable secondary text and touch-friendly controls. */
:root{--muted:#687064}.message.user .message-body{width:fit-content}.composer-meta,.inline-meta,.history-empty,.message-meta,.account-info small{color:#697263}.composer-meta,.tag,.section-label,.history-item,.account-info small,.top-hint{font-size:11px}.inline-meta{font-size:12px}.eyebrow,.auth-story-foot,.auth-form .auth-fineprint{color:#687661}.composer textarea::placeholder{color:#76816f}.topbar{height:68px;min-height:68px}.history{margin-top:20px}.conversation-tools .icon-button{width:40px;height:40px}.message-meta button{min-height:36px;padding:8px}.filter{min-height:38px}.dialog-backdrop .field input,.dialog-backdrop .field textarea,.dialog-backdrop .field select{font-size:14px}.dialog-head{margin-bottom:24px}.auth-form .auth-fineprint{font-size:11px}.auth-story-foot{font-size:10px}.history-item{padding-top:9px;padding-bottom:9px}.sidebar{transition:transform .2s,visibility .2s}@media(max-width:760px){.topbar{height:65px;min-height:65px}.field input,.field textarea,.field select,.dialog-backdrop .field input,.dialog-backdrop .field textarea,.dialog-backdrop .field select,.search-field input,.account-select,.usage-filters .field select,.usage-filters .field input{font-size:16px}.account-select{max-width:135px}.suggestion{font-size:12px;min-height:44px}.composer-meta,.tag,.inline-meta,.history-empty{font-size:12px}.model-trigger{min-height:40px}.send-button{width:40px;height:40px}.conversation-tools .icon-button,.message-meta button{min-height:40px}.model-trigger span{max-width:190px}.composer-meta{line-height:1.6}.auth-feature{font-size:12px}}

/* Screenshot review: protect the account area and keep the mobile header concise. */
.sidebar-foot{flex-shrink:0;padding-bottom:4px}.history{min-height:0}.sidebar .brand,.sidebar .new-chat,.sidebar .nav{flex-shrink:0}.sidebar{overflow:auto}.content,.history,.sidebar{scrollbar-width:thin;scrollbar-color:#d9d6d0 transparent}.suggestion{font-size:13px;border-color:#d4d1cb;min-height:44px}.suggestion .icon{width:18px;height:18px;flex-shrink:0}.suggestion:hover,.suggestion:active{background:#f2f1ed;border-color:#b8c4b5}@media(max-width:760px){.welcome{justify-content:flex-start;padding-top:40px;padding-bottom:25px;flex:0}.chat-view{min-height:100%}.composer-wrap{margin-top:auto}.suggestion{font-size:13px}.account-select{max-width:135px}.sidebar-foot{padding-bottom:env(safe-area-inset-bottom,4px)}}
@media(min-width:761px) and (max-height:850px){.sidebar .brand{padding-bottom:20px}.sidebar .nav{margin-top:16px;gap:3px}.sidebar .nav-item{padding-top:9px;padding-bottom:9px}.history{min-height:82px}}

/* Durable reminders use the same workspace surfaces and readable inbox layout. */
.reminder-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;margin-top:28px}.reminder-section-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.reminder-section-head h2,.reminder-section-head h3{margin:0}.reminder-card,.reminder-note{padding:20px;border:1px solid var(--border,#e0e5e1);border-radius:14px;margin:14px 0;background:var(--surface,#fff)}.reminder-note{border-left:3px solid #1b7451}.reminder-note.is-read{border-left-color:#d2dbd5}.reminder-copy{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.reminder-actions{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}.reminder-contracts{margin-top:36px}.reminder-card h3,.reminder-note h3{font-size:17px;overflow-wrap:anywhere}.reminder-layout>section{min-width:0}@media(max-width:900px){.reminder-layout{grid-template-columns:1fr}.reminder-section-head{flex-wrap:wrap}}

/* Explicit external delivery confirmation and scoped device key management. */
.delivery-settings{border:1px solid var(--border,#e0e5e1);border-radius:12px;padding:18px;margin:22px 0}.delivery-settings legend{font-weight:600;padding:0 6px}.delivery-confirm{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7}.delivery-confirm input{flex:0 0 auto;margin-top:5px;width:18px;height:18px}.delivery-preview{white-space:pre-wrap;overflow-wrap:anywhere;max-height:240px;overflow:auto;padding:14px;background:#f5f6f3;border-radius:8px;font-size:13px;line-height:1.6}.device-keys-panel{margin-top:24px}.device-keys-panel td{overflow-wrap:anywhere}.delivery-record .button{white-space:normal}.delivery-settings [hidden]{display:none}

/* Customer-facing DingTalk onboarding. */
.ding-onboarding{margin:24px 0}.ding-onboarding .page-heading{align-items:flex-start}.ding-steps{list-style:none;padding:0;margin:24px 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.ding-steps li{display:flex;gap:12px;padding:18px;border:1px solid var(--border,#e0e5e1);border-radius:12px;min-width:0}.ding-step-number{display:inline-flex;flex:0 0 28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:#e8eee6;color:#265b42;font-weight:700}.ding-steps h3{font-size:16px;line-height:1.5;margin:0 0 10px}.ding-steps p{font-size:14px;line-height:1.7}.ding-steps .inline-meta{font-size:12px}.ding-steps a{overflow-wrap:anywhere}.ding-permission-help summary{cursor:pointer;font-weight:600;padding:12px 0}.ding-permission-help td{min-width:140px}.ding-connection{margin-top:24px}@media(max-width:1050px){.ding-steps{grid-template-columns:1fr}.ding-steps li{padding:16px}.ding-onboarding .page-heading{flex-wrap:wrap;gap:14px}}

/* Company account onboarding and one-time credential handoff. */
.managed-panel{margin-top:24px}.managed-dialog{max-width:820px}.managed-input-row{display:grid;grid-template-columns:1fr 1fr 130px 50px;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}.managed-input-row legend{font-size:12px;color:var(--muted)}.managed-input-row .field{margin-bottom:0}.managed-input-row label{display:block}.managed-input-row input,.managed-input-row select{margin-top:7px}.handoff-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.handoff-card{border:1px solid var(--line);border-radius:12px;padding:18px;overflow-wrap:anywhere}.handoff-card code{font-size:16px;user-select:all}.managed-panel .row-actions,.row-actions{flex-wrap:wrap}.quick-downloads article{padding:14px 0;border-bottom:1px solid var(--line)}.chat-dingtalk{flex-shrink:0;border:1px solid #dce5dc;border-radius:12px;padding:14px 18px;margin:16px 0 6px;background:#f5f8f1}.chat-dingtalk>div:first-child{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.chat-dingtalk strong{display:flex;gap:8px;align-items:center;font-size:13px}.chat-dingtalk p{font-size:12px;color:var(--muted);line-height:1.7;margin:8px 0}.chat-dingtalk .text-button{font-size:12px;min-height:32px;display:inline-flex;align-items:center}.auth-wall form{margin-top:20px}.auth-wall .field label{font-size:14px}.auth-wall .field input{font-size:16px}@media(max-width:760px){.managed-input-row{grid-template-columns:1fr 1fr}.handoff-cards{grid-template-columns:1fr}.managed-panel .page-heading{flex-wrap:wrap}.chat-dingtalk{padding:12px}.chat-dingtalk .row-actions{gap:10px}.chat-view:has(.chat-dingtalk) .welcome{min-height:260px;padding-top:25px}}
.auth-help{margin:22px 0 10px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-size:13px;line-height:1.7;color:var(--ink)}
.auth-help p{margin:0 0 8px}.auth-help p:last-child{margin-bottom:0}
.auth-help .text-button{font-size:13px;padding:0 2px}
.auth-guide-link{display:inline-block;margin-top:6px;font-size:14px;font-weight:600;color:var(--green)}
.install-steps{margin:10px 0 6px;padding-left:20px;font-size:13px;line-height:1.75;color:var(--ink)}
.install-steps li{margin:2px 0}
.quick-downloads details.checksum summary{font-size:12px;font-weight:500;color:var(--muted);padding:6px 0}
.contract-price{margin-top:6px;color:var(--ink)}
.contract-price .tag{margin-right:4px}
.bank-fields{border:1px solid var(--line);border-radius:10px;padding:6px 14px 0;margin:0 0 18px;min-width:0}
.bank-fields legend{font-size:11px;color:#616a5b;padding:0 6px}
.verification-summary .row-actions{align-items:center;flex-wrap:wrap}

/* QA round: skip link only on keyboard focus; main keeps focus after re-render without an outline. */
.skip-link:not(:focus-visible){top:-100px}
.skip-link:focus-visible{top:12px}
.workspace-main:focus{outline:none}
.inline-meta a,.notice a,.page a.text-link{text-decoration:underline;text-underline-offset:3px}
.model-price .price-label{color:#7a8275}
@media(min-width:761px){.account-select{max-width:260px}}
.price-item{white-space:nowrap}