:root{--ink:#172b35;--muted:#687a84;--teal:#116b69;--teal-soft:#e7f3f0;--line:#dfe7e9;--bg:#f4f6f8;--paper:#fff;--amber:#fff6de;--danger:#8f3e36;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.7}*{box-sizing:border-box}body{margin:0}a{color:var(--teal);text-decoration:none;overflow-wrap:anywhere}button,input,select,textarea{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 16px;border:1px solid #cbd9dc;border-radius:7px;background:white;color:#28444e;font-weight:550;line-height:1.5;cursor:pointer;text-decoration:none}button:hover,.button:hover{border-color:#8fb7b0;background:#f5faf8}button.primary,.button.primary{background:var(--teal);color:white;border-color:var(--teal)}button.primary:hover,.button.primary:hover{background:#0e5755}button:disabled{opacity:.5;cursor:default}.button.small,button.small{padding:6px 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0;font-size:14px}.kv>strong{display:block;color:#5d727c;font-size:12px}.kv .value{white-space:pre-wrap;overflow-wrap:anywhere}.site-footer{max-width:1436px;margin:12px auto 0;padding:19px 0 26px;font-size:12px;color:#849199;border-top:1px solid #e1e8eb;display:flex;justify-content:space-between;gap:20px}.manage-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}[hidden]{display:none!important}@media(min-width:1600px){.document-grid{grid-template-columns:210px minmax(0,1fr)}.paper{padding:40px 54px}}@media(max-width:1150px){.document-grid.with-editor{grid-template-columns:160px minmax(0,1fr)}.document-grid.with-editor .editor-panel{grid-column:2;position:static;max-height:none}.paper{padding:29px}.header-inner{gap:18px;padding:0 22px}.site-nav{margin:0;gap:0}.site-nav a{padding:25px 11px}}@media(max-width:800px){.site-header{position:static}.header-inner{padding:14px 17px;flex-wrap:wrap;gap:12px}.brand{font-size:19px}.site-nav{order:3;flex-basis:100%;justify-content:space-between}.site-nav a{padding:8px 6px;font-size:12px}.manage-link{margin-left:auto}.app-shell{padding:21px 15px}.tool-grid{grid-template-columns:1fr;gap:15px;margin:20px 0}.tool-card{min-height:0;padding:21px}.tool-symbol{margin-bottom:13px}.tool-card p{margin-bottom:16px}.fields,.manage-grid{grid-template-columns:1fr}.fields .full{grid-column:auto}.page-intro{align-items:flex-start}.page-intro h1{font-size:25px}.task-row{grid-template-columns:1fr auto;gap:7px 12px}.task-row>time,.task-row>.task-module{display:none}.surface{padding:19px}.steps li{padding:10px 9px;font-size:12px}.steps strong{margin-right:5px;font-size:13px}.document-grid,.document-grid.with-editor{display:block}.document-toc{position:static;max-height:none;margin-bottom:13px;padding:0;display:flex;flex-wrap:wrap;gap:6px}.document-toc strong{width:100%;margin:0}.document-toc a{padding:4px 8px;border:1px solid #dfe7e9;border-radius:5px;font-size:12px}.paper{padding:23px 19px}.result-head{display:block}.result-actions{margin-top:13px}.editor-panel{position:static;max-height:none;margin-top:18px}.result-tools{flex-wrap:wrap}.writing-inputs textarea{min-height:190px}.site-footer{margin:10px 15px;padding-bottom:22px;display:block}.site-footer span{display:block;margin-top:5px}.more-menu .menu-items{right:auto;left:0}.markdown-content{font-size:14px}.form-actions{justify-content:stretch}.form-actions>*{flex:1}}

@media(max-width:800px){.task-row>.task-action{grid-column:2;justify-self:end}}

.select-source-label{display:block;font-size:13px;margin-bottom:7px}.select-source{width:100%;padding:9px 11px;border:1px solid #cad7dc;border-radius:6px;background:white;color:var(--ink)}

.result-tools{position:sticky;top:77px;z-index:16;background:#f4f6f8f5;padding:10px 0;backdrop-filter:blur(8px)}.result-next{scroll-margin-top:165px}@media(max-width:800px){.result-tools{top:0}.result-next{scroll-margin-top:150px}}

#validation{scroll-margin-top:105px}

/* One continuous answer with a compact, optional thinking disclosure. */
.live-progress{margin:0 0 20px;min-width:0}.thinking-panel{margin:0 0 16px}.thinking-panel>summary{display:flex;align-items:center;gap:9px;color:#6b7680;font-size:14px;font-weight:400;list-style:none}.thinking-panel>summary::after{content:'⌄';font-size:15px}.thinking-panel[open]>summary::after{transform:rotate(180deg)}.thinking-mark{font-size:20px;color:var(--teal)}.thinking-text{border-left:2px solid #dce5e8;padding:3px 0 3px 17px;margin:10px 0 22px 8px;color:#78838c;font-size:14px;line-height:1.85;max-height:none;overflow:visible}.tool-activity{font-size:13px;color:#7a8790;margin:12px 0}.generation-details{font-size:12px;margin:8px 0}.generation-details>summary{font-size:12px;font-weight:400;color:#99a4ac}.generation-details pre{max-height:280px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}.generation-details .live-stream{border-bottom:1px solid var(--line);padding:7px 0}.generation-details .raw-text{font-size:12px}.task-message{margin:0 0 27px 15%;background:#f4f6f8;border-radius:16px;padding:8px 16px;color:#66747c}.task-message>summary{font-size:13px}.task-message .raw-text{font-size:14px;padding:7px 0}.document-label{font-weight:400;color:#99a5ac;font-size:11px;border:0;margin:0 0 13px;padding:0}.paper{box-shadow:none;border-color:#e8ecef;padding:32px 48px}.jump-latest{position:fixed;bottom:25px;left:50%;z-index:25;background:white;border:1px solid #cbd7dd;border-radius:25px;box-shadow:0 3px 15px #20373c14;padding:10px 18px;font-size:13px}.editor-panel .thinking-text{font-size:12px}.editor-panel .generation-details pre{max-height:200px}.editor-panel .live-progress{margin:15px 0}
/* Each independent professional tool opens into its own composer and history. */
.chat-entry{display:grid;grid-template-columns:230px minmax(0,1fr);gap:38px;min-height:calc(100vh - 165px)}.workspace-sidebar{border-right:1px solid #e7ecef;padding:16px 22px 20px 0;min-width:0}.sidebar-title{font-size:15px;font-weight:650;margin-bottom:20px}.new-task{display:block;text-align:left;border-radius:11px;background:white;border:1px solid #dce4e9;font-size:13px;margin-bottom:28px}.conversation-history{display:grid;gap:5px}.history-item{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;color:#647580;padding:10px 9px;border-radius:7px}.history-item:hover{background:#e8eff1;color:var(--teal)}.entry-center{width:100%;max-width:820px;margin:auto;align-self:center;padding:45px 25px 120px;min-width:0}.entry-hero{text-align:center;margin-bottom:35px}.entry-hero h1{font-size:29px;letter-spacing:.02em;line-height:1.6;margin:0}.entry-kicker{font-size:13px;color:#8c9aa2;margin-bottom:10px}.task-composer{border:1px solid #dce2e9;border-radius:25px;background:#f8f9fb;padding:21px 23px 15px;box-shadow:0 5px 20px #25394c06;position:relative}.task-composer>textarea{display:block;resize:vertical;width:100%;min-height:115px;border:0;background:transparent;outline:none;font-family:inherit;font-size:16px;line-height:1.8;color:var(--ink)}.task-composer>textarea::placeholder{color:#9aa4ad}.composer-controls{display:flex;align-items:center;gap:13px;margin-top:18px}.composer-materials{margin:0}.composer-materials>summary{padding:8px 12px;background:white;border:1px solid #dce2e7;border-radius:22px;font-size:12px;list-style:none;color:#526774;white-space:nowrap}.composer-fields{position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:24;max-height:60vh;overflow:auto;background:white;border:1px solid #dbe3e8;border-radius:17px;padding:23px;box-shadow:0 8px 24px #1d374517}.composer-fields textarea{min-height:90px}.composer-fields .field{margin-bottom:15px}.composer-fields label{font-size:13px}.composer-link{font-size:12px;color:#84949f}.send-task{margin-left:auto;border:0;border-radius:50%;height:38px;width:38px;min-width:38px;padding:0;font-size:25px;background:var(--teal);color:white;display:grid;place-content:center}.send-task:hover{background:#205b61}.send-task:disabled{opacity:.4}.entry-hint{text-align:center;color:#9ba5ad;font-size:12px;margin-top:18px;line-height:1.7}
@media(max-width:1000px){.chat-entry{grid-template-columns:185px minmax(0,1fr);gap:15px}.entry-center{padding:35px 8px 90px}.entry-hero h1{font-size:24px}.composer-controls{gap:8px}.composer-link{display:none}.paper{padding:28px}}
@media(max-width:700px){.chat-entry{display:block;min-height:70vh}.workspace-sidebar{border-right:0;padding:0 0 17px;border-bottom:1px solid #e7ecef}.workspace-sidebar .conversation-history{display:flex;overflow:auto}.workspace-sidebar .sidebar-title,.workspace-sidebar>p{display:none}.workspace-sidebar .new-task{display:inline-block;margin:0 0 9px;font-size:12px}.history-item{max-width:185px;flex-shrink:0}.entry-center{padding:65px 0 100px}.entry-hero h1{font-size:23px}.task-composer{padding:17px;border-radius:22px}.task-composer>textarea{font-size:15px}.composer-materials>summary{font-size:12px}.paper{padding:23px 19px}.task-message{margin-left:8%}.thinking-text{font-size:13px}.entry-hint{font-size:11px}}

body:has(.chat-entry),body:has(.result-shell){background:#fff}.result-shell .paper{border:0;background:transparent;box-shadow:none}.result-shell .steps{border:0;display:flex;gap:12px;margin:12px 0 17px;overflow:visible}.result-shell .steps li{border:0;background:transparent;padding:7px 12px;border-radius:20px;font-size:12px;box-shadow:none}.result-shell .steps li.active{background:#edf6f3;color:var(--teal)}.result-shell .steps strong{font-size:12px;margin-right:7px}.result-shell .result-tools{background:#ffffffef}.workspace-sidebar{background:linear-gradient(90deg,#fff,#fafbfc)}