:root{--ink:#172b3a;--muted:#596570;--blue:#18364b;--blue-hover:#102839;--surface:#f4f2ee;--line:#dfdfd8;--warn:#775b2d;--danger:#a83131;--white:#fff;--paper:#fdfcf9;--navy:#142e40;--navy-text:#f2efe8;--navy-muted:#b9c6cd;--bronze:#806338;--radius:12px;--serif:"Songti SC","STSong","Noto Serif CJK SC",serif;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:15px;line-height:1.7;background:var(--paper);font-synthesis:none}
*{box-sizing:border-box;scrollbar-color:#b8c1c5 transparent;scrollbar-width:thin}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer;border:0;background:none;color:inherit}button:disabled{cursor:wait;opacity:.5}input,textarea{color:var(--ink);caret-color:var(--blue);accent-color:var(--blue)}input::placeholder,textarea::placeholder{color:var(--muted)}textarea{resize:vertical}a{color:var(--blue);text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue);outline-offset:3px}::selection{color:var(--white);background:var(--blue)}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1{font-size:22px;line-height:1.4;font-weight:600}h2,h3{font-size:15px;font-weight:600}.muted{color:var(--muted)}.small{font-size:13px}.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}.skip-link{position:fixed;top:-100px;left:16px;padding:10px 18px;background:var(--white);z-index:30}.skip-link:focus{top:12px}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.primary,.quiet{min-height:40px;border-radius:8px;padding:8px 14px;white-space:nowrap;font-weight:500}.primary{background:var(--blue);color:var(--white)}.primary:hover:not(:disabled){background:var(--blue-hover)}.quiet{background:var(--surface);color:var(--blue)}.quiet:hover:not(:disabled){background:#eae9e3}.text-button{padding:4px 0;color:var(--blue);text-align:left;text-underline-offset:4px;min-height:36px}.text-button:hover{text-decoration:underline}.danger{color:var(--danger)}.icon-button{width:40px;height:40px;display:inline-grid;place-items:center;border-radius:8px;flex-shrink:0;color:var(--muted)}.icon-button:hover{background:var(--surface);color:var(--ink)}
.app-layout{display:grid;grid-template-columns:232px minmax(0,1fr);height:100dvh;overflow:hidden}.history-panel{background:var(--navy);color:var(--navy-text);padding:28px 14px 20px;display:flex;flex-direction:column;gap:22px;min-width:0;overflow:auto}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--navy-text);font-size:17px;font-weight:500;white-space:nowrap;padding:0 10px}.brand-mark{display:grid;place-items:center;width:30px;height:34px;color:#d5bd8e;border:1px solid #89764f;border-radius:3px;font-family:var(--serif);font-size:22px;font-weight:600}.new-chat{display:flex;align-items:center;gap:10px;background:#f1eee5;color:var(--blue);border-radius:6px;padding:12px 16px;width:100%;font-weight:550;text-align:left}.new-chat:hover{background:#e6dfd1}.section-heading{display:flex;gap:8px;align-items:center;padding:4px 12px 0;color:var(--navy-muted)}.section-heading h2,.section-heading span{font-size:12px;font-weight:400}.consultation-list{display:flex;flex-direction:column;gap:5px;margin-top:-12px}.history-item{width:100%;padding:12px;text-align:left;border-radius:6px;min-width:0;font-size:14px;display:block}.history-item:hover{background:#223f51}.history-item.active{background:#294859}.history-item strong{font-weight:400;display:block;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item small{display:block;font-size:12px;color:var(--navy-muted);margin-top:5px;font-variant-numeric:tabular-nums}.history-foot{padding:18px 10px 0;margin-top:auto;color:var(--navy-muted);font-size:12px;border-top:1px solid #385264}.history-foot .text-button{margin-top:8px}.history-backdrop{position:fixed;inset:0;background:rgb(20 27 38 / .2);z-index:19}.main-panel{background:var(--paper);min-width:0;min-height:0;display:flex;flex-direction:column;outline:none}.app-header{height:68px;padding:0 24px 0 16px;display:flex;align-items:center;gap:12px;flex-shrink:0;border-bottom:1px solid var(--line)}.header-title{display:flex;align-items:center;gap:10px;font-weight:600;min-width:0}.mode-label{font-size:12px;font-weight:400;color:var(--bronze);padding:2px 8px;border-radius:4px;background:#f4eddf;white-space:nowrap}.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.tool-button{min-height:38px;border-radius:8px;padding:7px 12px;color:var(--muted);font-size:13px;white-space:nowrap}.tool-button:hover,.tool-button[aria-expanded=true]{background:var(--surface);color:var(--ink)}#mobile-new{display:none}.chat-panel{display:flex;flex-direction:column;flex:1;min-height:0}.conversation{padding:30px max(28px,calc((100% - 760px)/2)) 18px;flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scroll-padding:24px}.welcome{text-align:center;max-width:680px;margin:auto}.welcome h1{font-family:var(--serif);color:var(--blue);font-size:34px;font-weight:600;line-height:1.6;letter-spacing:.015em;margin-bottom:12px;text-wrap:balance}.welcome p{color:var(--muted);font-size:15px;line-height:1.9}.welcome .welcome-note{font-size:12px;margin:16px auto 0;max-width:52ch}.starter-prompts{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:26px}.starter-prompts button{font-size:13px;padding:8px 14px;border-radius:4px;background:transparent;border:1px solid var(--line);color:var(--blue);min-height:40px}.starter-prompts button:hover{background:#eae9e3;color:var(--ink)}.is-empty .conversation{flex:0 0 auto;min-height:auto;overflow:visible;padding-top:0;padding-bottom:30px}.is-empty .chat-panel{justify-content:center;padding-bottom:8dvh}.is-empty .compose-area{flex-shrink:0}.message{margin:0 0 30px;overflow-wrap:anywhere;max-width:100%}.message-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:12px;color:var(--muted)}.message-meta strong{font-weight:550;color:var(--ink)}.message.user{display:flex;flex-direction:column;align-items:flex-end;margin-left:50px}.message.user .message-meta{padding-right:4px}.message.user .message-body{background:#edf0f1;border-radius:10px 10px 2px 10px;padding:12px 18px;white-space:pre-wrap;max-width:100%}.message.assistant .message-body{white-space:pre-wrap;line-height:1.9}.message.assistant .message-meta strong:before{content:'法';display:inline-grid;place-items:center;width:25px;height:25px;margin-right:8px;border-radius:3px;background:var(--blue);color:var(--white);font-family:var(--serif);font-size:15px}.historical-label{font-size:12px}.assistant-question{font-weight:550;margin-top:14px}.assistant-materials{color:var(--muted);font-size:13px;margin-top:12px}.message-tools{display:flex;gap:18px;margin-top:12px;font-size:13px;flex-wrap:wrap}.chat-documents{margin:22px 0;display:flex;flex-wrap:wrap;gap:8px}.attachment-chip{text-align:left;background:var(--surface);padding:10px 14px;border-radius:6px;max-width:100%;min-width:0}.attachment-chip strong{display:block;font-weight:500;overflow-wrap:anywhere;font-size:13px}.attachment-chip small{font-size:12px;color:var(--muted)}.chat-stale{color:var(--warn);background:#f4eddf;padding:12px 16px;border-radius:10px;font-size:13px;margin-top:16px}.chat-result{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.chat-result h2{margin-bottom:10px}.chat-result ul{margin:10px 0;padding-left:20px;font-size:14px}.chat-result .text-button{font-size:13px}.chat-result .evidence{padding:8px 0;border:0}
.compose-area{width:100%;max-width:816px;margin:0 auto;padding:10px 28px 16px;flex-shrink:0;background:var(--paper)}.composer{background:var(--white);border:1px solid #b4bfc4;border-radius:var(--radius);padding:16px 16px 10px}.composer:focus-within{border-color:#7d8f9a}.composer textarea{width:100%;border:0;background:transparent;min-height:58px;max-height:160px;display:block;outline:none;line-height:1.7;padding:0;resize:none}.composer textarea:focus-visible{outline:0}.composer-actions{display:flex;align-items:center;gap:12px;padding-top:10px}.attach-button{display:flex;align-items:center;gap:6px;font-size:13px;min-height:36px;padding:4px 6px;border-radius:6px;color:var(--muted)}.attach-button:hover{background:#e8e6df;color:var(--ink)}.send-button{display:grid;place-items:center;margin-left:auto;width:36px;height:36px;border-radius:8px;background:var(--blue);color:var(--white);flex-shrink:0}.send-button:hover:not(:disabled){background:var(--blue-hover)}.input-hint{font-size:12px;color:var(--muted)}.compose-foot{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:center;margin-top:10px}.compose-foot button{font-size:12px;min-height:24px}.consent-area{margin-top:12px;font-size:12px}.check-label{display:flex;align-items:flex-start;gap:8px;color:var(--muted)}.check-label input{margin:4px 0 0;flex-shrink:0;width:16px;height:16px}.check-label+.check-label{margin-top:8px}.followup{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--blue);padding-bottom:10px}.followup .text-button{font-size:12px;min-height:26px}.followup-options{display:flex;gap:8px;align-items:center;margin-top:10px;font-size:12px;color:var(--muted);flex-wrap:wrap}.followup-options .quiet{font-size:12px;padding:4px 12px;min-height:32px;border-radius:6px}.feedback{margin:8px 24px;background:#fff3ec;color:#793b20;padding:12px 16px;border-radius:8px;font-size:13px;overflow-wrap:anywhere;max-height:24dvh;overflow:auto;flex-shrink:0}.feedback p{display:inline}.feedback button{font-size:12px;margin-left:16px}.work-status{padding:0 28px;color:var(--blue);font-size:12px;flex-shrink:0}.work-status:not(:empty){padding-top:8px;padding-bottom:8px}
.tools-open .app-layout{grid-template-columns:232px minmax(340px,1fr) minmax(410px,38%)}.tools-panel{min-width:0;min-height:0;overflow:auto;border-left:1px solid var(--line);background:var(--white);overscroll-behavior:contain;animation:panel-in .2s ease-out;scroll-padding-top:80px}.tools-heading{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px;background:var(--white);position:sticky;top:0;z-index:2;border-bottom:1px solid var(--line)}.view-tabs{display:flex;gap:20px;height:100%}.view-tabs button{font-size:14px;color:var(--muted);padding:10px 0}.view-tabs button[aria-current=page]{color:var(--blue);border-bottom:2px solid var(--bronze);font-weight:550}.documents-panel,.summary-panel{padding:24px 24px 40px}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}.panel-heading h1{font-family:var(--serif);font-weight:600;color:var(--blue)}.panel-heading p{font-size:13px;color:var(--muted);margin-top:6px}.panel-heading .primary{font-size:13px;flex-shrink:0}.empty-note{color:var(--muted);font-size:13px;padding:16px 12px}.document-list{margin:20px 0 28px}.document-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.document-title{flex:1;text-align:left;min-width:0;overflow-wrap:anywhere}.document-title strong{font-size:14px;display:block;font-weight:500}.document-title small{color:var(--muted);font-size:12px}.document-row.selected .document-title strong{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.document-row>.text-button{font-size:12px;flex-shrink:0}.doc-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:10px 0}.doc-toolbar .text-button,.doc-toolbar a{font-size:13px}.document-review h2{overflow-wrap:anywhere}.review-notice{font-size:13px;color:var(--muted);margin:12px 0 18px}.original-preview{background:var(--surface);border-radius:10px;padding:12px;margin:12px 0 24px;overflow:hidden}.original-preview img{display:block;max-width:100%;max-height:300px;margin:auto;object-fit:contain}.original-preview iframe{width:100%;height:320px;border:0;background:var(--white)}.original-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;font-size:13px;max-height:240px;overflow:auto}.original-preview p{font-size:12px;color:var(--muted)}.page-editor{margin:20px 0}.page-editor label{display:block;font-size:13px;font-weight:550;margin-bottom:8px}.page-editor textarea{width:100%;min-height:150px;padding:12px;border:1px solid #aeb9bf;border-radius:8px;font-size:14px;line-height:1.8}.review-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.review-actions .muted{font-size:12px}.summary-section{margin:24px 0}.summary-section h2{font-size:15px;margin-bottom:12px;color:var(--blue)}.summary-section p{font-size:14px;overflow-wrap:anywhere;white-space:pre-wrap}.summary-section ul,.summary-section ol{padding-left:20px;font-size:14px;margin:0}.summary-section li+li{margin-top:8px}.fact-edit-form{margin-top:16px}.fact-field{margin:14px 0}.fact-field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.fact-field input{width:100%;padding:9px 12px;border:1px solid #aeb9bf;border-radius:8px;background:var(--white)}.fact-edit-form .quiet{font-size:13px}.evidence{display:block;width:100%;text-align:left;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;overflow-wrap:anywhere}.evidence strong{color:var(--blue);display:block;font-size:13px;font-weight:500}.evidence span{display:block;color:var(--muted);margin-top:5px}.notice-block{font-size:13px;color:var(--warn);background:#f4eddf;padding:14px 16px;border-radius:8px;margin:18px 0}.history-collapsed .app-layout{grid-template-columns:minmax(0,1fr)}.history-collapsed .history-panel{display:none}.history-collapsed.tools-open .app-layout{grid-template-columns:minmax(340px,1fr) minmax(410px,38%)}
@keyframes panel-in{from{opacity:.85;transform:translateX(12px)}to{opacity:1;transform:translateX(0)}}
@media(max-width:1200px){.tools-open .app-layout{grid-template-columns:200px minmax(0,1fr)}.app-layout{grid-template-columns:200px minmax(0,1fr)}.tools-panel{position:fixed;inset:0 0 0 auto;width:min(560px,75vw);z-index:15;box-shadow:-12px 0 36px rgb(20 27 38 / .09)}.history-collapsed.tools-open .app-layout{grid-template-columns:minmax(0,1fr)}.brand{font-size:15px;gap:7px;padding:0 6px}.history-panel{padding-left:10px;padding-right:10px}}
@media(max-width:767px){.app-layout,.tools-open .app-layout,.history-collapsed.tools-open .app-layout,.history-collapsed .app-layout{display:flex;height:100dvh}.main-panel{width:100%}.history-panel{display:none}.history-open .history-panel{display:flex;position:fixed;inset:0 auto 0 0;width:min(300px,82vw);z-index:20}.history-open .history-backdrop{display:block!important}.app-header{height:60px;padding:0 12px 0 8px;gap:6px}.header-title{gap:6px;font-size:14px}.header-title>span:first-child{display:none}.mode-label{background:transparent;color:var(--muted);padding:0;font-size:12px}.header-actions{gap:2px}.tool-button{font-size:12px;padding:7px 9px}#mobile-new{display:grid}.conversation{padding:22px 20px 12px}.welcome h1{font-size:28px;max-width:12em;margin:0 auto 12px}.welcome p{font-size:14px}.welcome .welcome-note{font-size:12px;margin-top:14px;max-width:29em}.is-empty .conversation{padding:0 24px 24px}.is-empty .chat-panel{padding-bottom:5dvh}.starter-prompts{gap:8px;margin-top:22px}.starter-prompts button{font-size:12px;padding:7px 12px}.compose-area{padding:10px 16px max(12px,env(safe-area-inset-bottom))}.composer{padding:14px 14px 10px}.composer textarea{min-height:58px}.input-hint{display:none}.compose-foot{gap:4px;font-size:12px}.compose-foot button{font-size:12px}.message.user{margin-left:30px}.followup{gap:6px;align-items:flex-start}.followup-options>span{display:none}.tools-panel{inset:0;width:100%;z-index:25;box-shadow:none;border:0}.tools-heading{height:60px;padding:0 20px}.documents-panel,.summary-panel{padding:22px 20px 32px}.feedback{margin:8px 16px}.work-status{padding:0 20px}.original-preview iframe{height:300px}}
@media(max-height:650px){.is-empty .chat-panel{padding-bottom:0;justify-content:flex-start;overflow:auto}.is-empty .conversation{padding-top:20px}.welcome h1{font-size:25px}.starter-prompts{margin-top:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.sidebar-brand{display:flex;align-items:center;justify-content:space-between;gap:4px}#close-history{display:none}#feedback-area{flex-shrink:0}#feedback-area .work-status:empty{display:none}@media(max-width:767px){#close-history{display:grid}.sidebar-brand .brand{font-size:16px}}

.mobile-name{display:none}@media(max-width:767px){.header-title>.desktop-name{display:none}.header-title>.mobile-name{display:inline;white-space:nowrap;font-size:14px}.header-title{gap:6px}.header-actions .tool-button{padding:7px}.mode-label{font-size:12px}}@media(max-width:374px){.header-title>.mobile-name{display:none}}

.history-panel .muted,.history-panel .empty-note{color:var(--navy-muted)}.history-panel .danger{color:#f2b8ab}.history-panel .icon-button{color:var(--navy-muted)}.history-panel .icon-button:hover{background:#223f51;color:var(--navy-text)}.history-panel :focus-visible{outline-color:#d5bd8e}.history-panel ::selection{background:#d5bd8e;color:var(--navy)}.sidebar-brand{padding-bottom:16px;border-bottom:1px solid #385264}.chat-result h2{color:var(--blue);font-size:16px}.original-preview{border-radius:6px}.documents-panel,.summary-panel{background:var(--white)}