:root{--ink:#1e2429;--muted:#7c858a;--subtle:#a4abad;--paper:#f6f6f2;--panel:#fff;--line:#e6e8e2;--teal:#0f7b71;--teal-deep:#075e58;--teal-soft:#dff0ec;--orange:#d8793e;--shadow:0 12px 32px rgba(30,49,47,.06)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:14px}.app-shell{display:flex;min-height:100vh}.sidebar{width:252px;background:#202a2b;color:#dce6e3;padding:27px 17px 17px;display:flex;flex-direction:column;flex-shrink:0}.brand-lockup{display:flex;align-items:center;gap:11px;padding:0 11px 35px}.brand-mark{width:34px;height:34px;border:1px solid rgba(215,235,226,.55);display:grid;place-items:center;color:#ecf4ed;font-family:serif;font-size:20px}.brand-name{font-size:18px;letter-spacing:2px;font-weight:700}.brand-subtitle{font-size:10px;color:#99aaa7;margin-top:3px;letter-spacing:1px}.workspace-label{font-size:10px;text-transform:uppercase;letter-spacing:1.8px;color:#76908b;padding:0 12px 10px}.primary-nav{display:grid;gap:3px}.nav-item,.recent-item{font:inherit;color:inherit;border:0;background:transparent;cursor:pointer;text-align:left;display:flex;align-items:center;gap:11px;border-radius:4px}.nav-item{height:42px;padding:0 12px;color:#aebebb}.nav-item.active,.nav-item:hover{background:#2b3b3b;color:#f4fbf8}.nav-icon{font-size:20px;width:20px;text-align:center;font-weight:300}.nav-count{margin-left:auto;font-size:11px;color:#6d8984}.recent-label{margin-top:36px}.recent-list{display:grid;gap:3px}.recent-item{padding:11px 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#d5ded9;background:transparent;border-radius:3px;color:#2d6f68;padding:9px 13px;font:inherit;font-size:12px;cursor:pointer}.outline-button span{font-size:15px;margin-right:5px}.view{max-width:1440px;margin:0 auto;padding:34px 38px 30px}.chat-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:30px}.eyebrow{margin:0 0 9px;color:#9aa4a2;font-size:10px;letter-spacing:1.8px;font-weight:700}.chat-header h1,.simple-header h1{font-family:serif;font-weight:500;font-size:30px;letter-spacing:.5px;margin:0 0 8px;color:#263234}.muted{color:#899392;margin:0;font-size:13px}.scope-select{display:flex;align-items:center;gap:8px;border-bottom:1px solid #cdd8d2;padding:9px 2px 10px;color:#3e5552;font-size:12px;min-width:150px}.scope-dot{height:7px;width:7px;background:#dc7b41;border-radius:50%}.chevron{margin-left:auto;color:#95a19d;font-size:16px}.chat-layout{display:grid;grid-template-columns:minmax(520px,1fr) 278px;gap:38px;align-items:start}.conversation-panel{min-height:480px}.conversation-meta{display:flex;align-items:center;gap:10px;color:#a4acab;font-size:11px;margin-bottom:24px}.meta-line{height:1px;background:#e1e6e1;width:35px}.message{display:flex;gap:12px;margin-bottom:25px}.message-avatar{width:29px;height:29px;display:grid;place-items:center;flex-shrink:0;font-size:11px;border-radius:50%}.user-avatar{background:#dce9e4;color:#39746d}.assistant-avatar{background:#1f7770;color:white;font-family:serif;font-size:15px}.message-body{max-width:750px;line-height:1.7}.message-label{color:#687674;font-size:11px;margin:1px 0 6px;display:flex;align-items:center;gap:10px}.message-body p{margin:0;color:#2e393a;font-size:14px}.message-body p strong{color:#0b746b;font-size:16px;font-weight:700}.verified-label{font-size:10px;color:#4a9a85;background:#e3f2ed;padding:2px 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small{font-size:10px;color:#9ca7a2;margin-left:3px}.stat-line{height:2px;background:#edf2ed;margin-top:12px}.stat-line i{display:block;height:100%;background:#d57b45}.stat-line.blue i{background:#6fa5a0}.insight-section{border-top:1px solid #e5e9e4;padding-top:17px;margin-bottom:25px}.section-tag,.source-live{font-size:10px;color:#9aaba5;font-weight:400}.search-summary{height:34px;background:#fff;border:1px solid #edf0eb;display:flex;align-items:center;gap:8px;padding:0 9px;margin-top:8px;font-size:11px;color:#566563}.search-summary button{margin-left:auto;border:0;background:transparent;color:#bdc5c1;cursor:pointer}.query-mark{color:#d87842;font-size:15px}.sword-mark{color:#4e9388}.source-live i{display:inline-block;width:5px;height:5px;background:#4b9c86;border-radius:50%;margin-right:4px}.source-card{display:flex;align-items:center;gap:9px;margin-top:11px;background:#fff;border:1px solid #e7ece7;padding:10px}.folder-icon{color:#d38345;font-size:17px}.source-card div:nth-child(2),.import-path div{display:grid;gap:3px;min-width:0}.source-card strong,.import-path strong{font-size:11px;color:#4f5f5c}.source-card small,.import-path small{font-size:9px;color:#9ca7a3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.source-card button{margin-left:auto;border:0;background:transparent;color:#89a09b;font-size:18px}.confidence-card{display:flex;gap:11px;align-items:center;background:#f0f6f1;border-left:2px solid #5ca08d;padding:12px}.confidence-ring{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;border:2px solid #7bb3a3;color:#318473;font-size:14px;font-weight:700}.confidence-ring small{font-size:8px;margin-left:1px}.confidence-card strong,.confidence-card span{display:block}.confidence-card strong{font-size:11px;color:#4c6e66;margin-bottom:3px}.confidence-card span{font-size:9px;color:#8da69e}.composer-wrap{max-width:calc(100% - 316px);margin-top:14px}.suggestion-row{display:flex;align-items:center;gap:8px;margin:0 0 10px 41px;color:#a1aaa6;font-size:10px}.suggestion{border:1px solid #e0e7e0;color:#66827b;background:transparent;padding:6px 10px;font:inherit;font-size:10px;cursor:pointer;border-radius:2px}.suggestion:hover{background:#fff}.composer{background:#fff;border:1px solid #dfe6e0;box-shadow:0 6px 18px rgba(27,67,62,.05);padding:13px 14px 10px}.composer textarea{resize:none;width:100%;border:0;outline:0;color:#334140;font:inherit;font-size:13px;min-height:25px;background:transparent}.composer textarea::placeholder{color:#aeb9b5}.composer-tools{display:flex;justify-content:space-between;align-items:center;color:#acb6b2;font-size:10px}.composer-tools>div{display:flex;gap:7px}.attach-button,.send-button{border:0;cursor:pointer;width:28px;height:27px;border-radius:2px;font:inherit}.attach-button{background:#f2f5f1;color:#879893;font-size:18px}.send-button{background:#18776e;color:#fff;font-size:18px}.privacy-note{text-align:center;margin:11px 0;color:#abb5b1;font-size:9px}.privacy-note span{font-size:11px;color:#92a39e}.hidden{display:none!important}.simple-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:28px}.primary-button{background:#167a70;border-color:#167a70;color:#fff}.filter-bar{display:flex;gap:9px;align-items:center;margin-bottom:17px}.fake-search{flex:1;background:#fff;border:1px solid #e5eae4;padding:11px 13px;color:#9aa7a2;font-size:12px}.filter-pill{border:1px solid #e1e8e1;padding:10px 12px;color:#677a75;background:#fff;font-size:11px}.records-card,.admin-card{background:#fff;border:1px solid #e4e9e3;box-shadow:var(--shadow)}.records-card-head{padding:17px 18px;border-bottom:1px solid #ebefea;display:flex;justify-content:space-between;color:#52615d}.records-card-head span{font-size:11px;color:#7fa08f}.directory-row{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr .55fr;padding:15px 18px;border-bottom:1px solid 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2}.admin-card-title{margin-bottom:20px;color:#425550}.status-pill{font-size:10px;padding:4px 7px}.status-pill.green{background:#e3f3ec;color:#478c78}.status-pill.orange{background:#fff0e4;color:#bf7041}.import-path{display:flex;gap:11px;align-items:center;border:1px solid #e8ede7;padding:13px}.import-path button,.text-button{margin-left:auto;border:0;background:transparent;color:#528d83;font-size:11px;cursor:pointer}.import-progress{margin:21px 0}.import-progress>div:first-child{display:flex;justify-content:space-between;color:#71827c;font-size:11px;margin-bottom:8px}.import-progress strong{color:#3e8173}.progress-track{height:4px;background:#e7eee8}.progress-track i{display:block;height:100%;background:#4b9d88}.secondary-button{font-size:11px;padding:8px 12px}.full-button{width:100%;margin-top:13px}.user-line{display:flex;align-items:center;gap:9px;padding:11px 0;border-top:1px solid #edf0eb}.small-avatar{width:26px;height:26px;font-size:10px}.admin-avatar{background:#2a8177}.user-line div{display:grid;gap:3px}.user-line strong{font-size:11px;font-weight:600}.user-line small{font-size:9px;color:#9ba7a2}.status-dot{width:6px;height:6px;background:#4d9b83;border-radius:50%;margin-left:auto}.admin-note{font-size:11px;color:#82918c;line-height:1.7;margin:4px 0 20px}.modal-backdrop{position:fixed;inset:0;background:rgba(26,38,37,.5);display:grid;place-items:center;padding:25px;z-index:5}.image-modal{background:#fff;max-width:800px;width:100%;display:grid;grid-template-columns:1.2fr 1fr;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.2)}.modal-close{position:absolute;right:13px;top:10px;border:0;background:transparent;font-size:25px;color:#91a09b;cursor:pointer;z-index:1}.artifact-preview{background:#eceee9;min-height:390px;display:grid;place-items:center;padding:24px}.artifact-preview img{width:100%;max-height:370px;object-fit:contain;mix-blend-mode:multiply}.artifact-info{padding:42px 30px}.artifact-info h2{font-family:serif;font-size:24px;font-weight:500;margin:0 0 27px;color:#2c3d3b}.info-grid{display:grid;gap:17px}.info-grid div{display:grid;gap:5px;border-bottom:1px solid #edf0ec;padding-bottom:11px}.info-grid span{font-size:9px;letter-spacing:1px;text-transform:uppercase;color:#9ca7a3}.info-grid strong{font-size:11px;color:#4c5e5a;font-weight:500}.green-text{color:#458b76!important}
@media (max-width:1050px){.sidebar{width:210px}.chat-layout{grid-template-columns:1fr}.insight-panel{border-left:0;border-top:1px solid #e1e6e0;padding:20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:15px}.insight-heading,.confidence-card{grid-column:span 2}.source-section{margin-bottom:0}.composer-wrap{max-width:100%}}@media (max-width:720px){.sidebar{width:58px;padding:20px 9px}.brand-lockup{padding:0 3px 35px}.brand-lockup>div:last-child,.workspace-label,.nav-item span:not(.nav-icon),.nav-count,.recent-list,.data-status,.profile-copy,.profile-more{display:none}.brand-mark{margin:auto}.nav-item{justify-content:center;padding:0}.profile-card{padding:7px 4px;justify-content:center}.topbar{padding:0 17px;height:62px}.topbar-actions .demo-badge,.outline-button{display:none}.view{padding:27px 17px}.chat-header{display:block}.scope-select{margin-top:20px;width:170px}.chat-header h1,.simple-header h1{font-size:26px}.chat-layout{display:block}.insight-panel{display:block;margin-top:26px}.insight-heading{margin-bottom:14px}.stats-grid{max-width:360px}.composer-wrap{margin-top:23px}.suggestion-row{margin-left:0;overflow:auto;padding-bottom:3px}.suggestion-row>span{display:none}.suggestion{white-space:nowrap}.result-table-wrap{overflow:auto}.result-table-head,.result-row{min-width:520px}.simple-header{display:block}.simple-header .primary-button,.admin-role{display:inline-block;margin-top:19px}.filter-bar{flex-wrap:wrap}.fake-search{flex-basis:100%}.directory-row{min-width:650px}.records-card{overflow:auto}.admin-grid{display:block}.admin-card{margin-bottom:15px}.image-modal{grid-template-columns:1fr;max-height:90vh;overflow:auto}.artifact-preview{min-height:220px}.artifact-info{padding:27px}.privacy-note{line-height:1.5}}

.account-menu{position:absolute;bottom:70px;left:17px;right:17px;background:#3b3831;border:1px solid #514b40;box-shadow:0 12px 28px rgba(0,0,0,.2);padding:5px;z-index:3}.account-menu button{display:flex;align-items:center;gap:9px;width:100%;border:0;background:transparent;color:#ebe3d7;padding:10px 9px;text-align:left;font:inherit;font-size:12px;cursor:pointer}.account-menu button:hover{background:#514a3e}.account-menu button span{width:16px;color:#d19a70;text-align:center}.account-modal{position:relative;width:min(390px,calc(100% - 36px));background:#fffdf8;border:1px solid #ded3c4;padding:34px 32px 28px;box-shadow:0 20px 60px rgba(53,40,27,.2)}.account-modal h2{font-family:"SimSun","宋体",serif;font-size:25px;font-weight:500;color:#453a31;margin:0 0 22px}.account-identity{display:flex;align-items:center;gap:11px;background:#f3eee5;padding:14px;margin-bottom:17px}.account-avatar{background:#a95d3d}.account-identity strong,.account-identity small{display:block}.account-identity strong{font-size:13px;color:#4a3e34;margin-bottom:3px}.account-identity small{font-size:10px;color:#978879}.account-details{display:grid;gap:13px}.account-details div{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #ece4d9;padding-bottom:10px}.account-details span{font-size:10px;color:#998d7e}.account-details strong{font-size:11px;color:#5e5146;font-weight:500}.account-modal .full-button{margin-top:24px}.brand-title{font-family:"FangSong","仿宋","SimSun","宋体",serif}.login-brand strong,.login-copy h1,.chat-header h1,.simple-header h1,.artifact-info h2,.account-modal h2{font-family:"SimSun","宋体","FangSong","仿宋",serif}body,.login-form input,.password-field button,.role-tab,.login-submit,.nav-item,.recent-item,.profile-card,.topbar,.view,.composer,.result-row,.source-link,.outline-button,.primary-button,.secondary-button,.suggestion,.account-menu button{font-family:"FangSong","仿宋","SimSun","宋体",serif}

.login-view{min-height:100vh;background:#eef2ee;display:grid;place-items:center;position:relative;overflow:hidden;color:var(--ink)}.login-view:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(25,88,78,.08),transparent 48%,rgba(213,125,68,.08));pointer-events:none}.login-ambient{position:absolute;border:1px solid rgba(31,112,100,.12);border-radius:50%}.login-ambient-one{width:620px;height:620px;left:-220px;top:-220px}.login-ambient-two{width:440px;height:440px;right:-170px;bottom:-190px}.login-card{position:relative;width:min(430px,calc(100% - 36px));background:rgba(255,255,255,.94);border:1px solid #e0e8e1;box-shadow:0 24px 70px rgba(32,75,67,.12);padding:38px 42px 30px}.login-brand{display:flex;align-items:center;gap:12px;padding-bottom:28px;border-bottom:1px solid #e8ede8}.login-brand-mark{width:38px;height:38px;display:grid;place-items:center;border:1px solid #b4cfc6;color:#287c70;font-family:serif;font-size:21px}.login-brand strong{display:block;font-family:serif;font-size:18px;font-weight:500;color:#2d4844;letter-spacing:.5px}.login-brand span{display:block;color:#8aa19a;font-size:8px;letter-spacing:1.5px;margin-top:5px}.login-copy{padding:31px 0 19px}.login-copy h1{margin:0 0 8px;font-family:serif;font-size:29px;font-weight:500;color:#273c39}.login-copy p:last-child{margin:0;color:#899b96;font-size:12px}.role-switch{display:flex;border-bottom:1px solid #dfe8e1;margin-bottom:22px}.role-tab{flex:1;border:0;background:transparent;color:#9aa9a3;padding:11px 8px;font:inherit;font-size:12px;cursor:pointer;position:relative}.role-tab.active{color:#20766b;font-weight:600}.role-tab.active:after{content:"";position:absolute;height:2px;background:#247b70;left:18px;right:18px;bottom:-1px}.login-form{display:grid;gap:16px}.login-form>label{display:grid;gap:7px;color:#61736d;font-size:11px}.login-form input[type=text],.login-form input[type=password]{width:100%;border:1px solid #dfe8e1;background:#fbfcfa;color:#344944;padding:12px 12px;font:inherit;font-size:13px;outline:0}.login-form input:focus{border-color:#71a89a;box-shadow:0 0 0 3px rgba(48,133,116,.08)}.password-field{position:relative}.password-field input{padding-right:55px!important}.password-field button{position:absolute;right:9px;top:7px;border:0;background:transparent;color:#6b9b90;font-size:10px;cursor:pointer;padding:7px}.login-options{display:flex;justify-content:space-between;align-items:center;color:#a1ada8;font-size:10px}.remember-option{display:flex!important;align-items:center;gap:5px!important}.remember-option input{accent-color:#1d796e}.login-submit{margin-top:3px;border:0;background:#16786e;color:#fff;padding:13px;font:inherit;font-size:12px;cursor:pointer;box-shadow:0 6px 14px rgba(22,120,110,.17)}.login-submit:hover{background:#0f685f}.login-submit span{float:right;font-size:17px;line-height:12px}.login-footnote{text-align:center;color:#9aaba5;font-size:10px;margin:25px 0 0}.login-footnote .status-pulse{display:inline-block;margin-right:5px}.login-caption{position:absolute;left:34px;right:34px;bottom:24px;display:flex;justify-content:space-between;color:#8ca09a;font-size:10px;letter-spacing:.4px}.brand-title{font-size:13px!important;line-height:1.5;letter-spacing:1px!important;color:#d6e6e0!important;max-width:160px}

/* Use SimSun consistently across the static demo UI. */
body,body *{font-family:"Microsoft YaHei","微软雅黑","PingFang SC",Arial,sans-serif!important}
body h1,body h2,body h3,body h4,body .brand-title,body .brand-name,body .login-brand strong,body .login-copy h1,body .chat-header h1,body .simple-header h1,body .artifact-info h2,body .account-modal h2{font-family:"SimSun","宋体","STSong",serif!important}

body .brand-title{font-family:"SimSun","宋体","STSong",serif!important;font-size:20px!important;line-height:1.45;letter-spacing:1px!important;white-space:normal;overflow-wrap:anywhere;max-width:180px}

.sidebar{position:relative}
.account-menu{left:17px;right:17px;width:auto;background:#273737;border-color:#3f5a55;box-shadow:0 10px 24px rgba(15,34,32,.28)}
.account-menu button{color:#dce9e3}
.account-menu button:hover{background:#31504b;color:#fff}
.account-menu button span{color:#d19a70}