500;600;700&display=swap');
:root{font-family:Noto Sans SC,sans-serif;color:#2b283b;background:#f5f8f7;font-synthesis:none;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;background:none;color:inherit}button:disabled{cursor:wait;opacity:.6}button,input,textarea,select{outline-color:#787aa1}a{color:inherit;text-decoration:none}.app{display:flex;min-height:100vh}.sidebar{width:230px;flex-shrink:0;background:#ebf1f1;border-right:1px solid #dfe7e7;padding:33px 22px;position:fixed;top:0;bottom:0;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:9px;font-size:25px;font-weight:700;letter-spacing:2px}.brand-icon{display:flex;background:#29284b;color:#fff;border-radius:9px;padding:8px}.brand-en{font-size:8px;letter-spacing:1px;align-self:flex-end;margin-bottom:6px;margin-left:-2px}.workspace{display:flex;gap:10px;align-items:center;margin:36px 0 28px;padding:13px 10px;background:#f7fafa;border:1px solid #dfe7e7;border-radius:7px;font-size:12px}.avatar{padding:9px;background:#ddeae8;border-radius:5px;color:#576270}.workspace small{display:block;color:#99a198;font-size:10px;margin-top:4px}.workspace-dot{height:6px;width:6px;background:#779294;border-radius:50%;margin-left:auto}.nav-label{font-size:10px;color:#92999d;margin:0 12px 13px;letter-spacing:1px}.nav{width:100%;justify-content:flex-start;height:43px;padding:0 13px;color:#758075;margin-bottom:5px;font-size:12px}.nav span{margin-left:auto;font-size:11px}.nav.active{color:#29294e;background:#d9e4e7;border-radius:6px;font-weight:600}.tags-label{margin-top:32px;display:flex;justify-content:space-between}.tag-nav{display:flex;justify-content:flex-start;width:100%;font-size:12px;height:36px;padding:0 14px;color:#727c80;gap:11px}.tag-nav i{height:7px;width:7px;border-radius:2px}.chosen{background:#dde6e7;border-radius:4px}.sidebar-bottom{margin-top:auto;padding:50px 13px 0}.mini-art{display:flex;gap:8px;color:#7b9297;margin-bottom:17px}.sidebar-bottom strong{font-size:12px;font-weight:500}.sidebar-bottom p{font-size:11px;color:#8c999b;line-height:1.9}.local{border-top:1px solid #d8e2e3;padding-top:20px;margin-top:25px;font-size:9px;color:#8ea1a1;display:flex;align-items:center;gap:6px}.local span{background:#839ea1;width:5px;height:5px;border-radius:50%}main{margin-left:230px;padding:0 42px;width:calc(100% - 230px);max-width:1700px}header{height:74px;border-bottom:1px solid #e4eae8;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#939b93}header>span{display:flex;align-items:center;gap:13px}.text-btn{font-size:11px;color:#7f8d91;padding:4px 0}.page-heading{padding:34px 0 27px}.eyebrow{font-size:9px;letter-spacing:2.6px;color:#85979a;margin-bottom:12px}.heading-line{display:flex;align-items:center;justify-content:space-between;gap:16px}h1{font-size:27px;font-weight:600;letter-spacing:.3px;margin:0}h1 span{color:#7d9c99}.heading-line p{color:#8c9897;font-size:12px;margin-bottom:0}.primary{background:#313553;color:#fff;border-radius:6px;padding:12px 18px;font-size:12px;white-space:nowrap}.summary{display:flex;background:#fff;border:1px solid #dfe8e7;border-radius:8px;padding:22px 25px;gap:0;margin-bottom:32px}.summary>div{display:flex;gap:13px;align-items:center;flex:1;border-right:1px solid #e8f0ee;margin-right:27px}.summary-icon{padding:12px;background:#ebf2f3;border-radius:8px;color:#748890;display:flex}.summary-icon.sand{background:#e7f5e9;color:#71b678}.summary-icon.lavender{background:#f5eff2;color:#b0929b}.summary>div>span:last-child{color:#919d9d;font-size:10px}.summary strong{display:block;color:#343b46;font-size:25px;font-weight:500;margin-top:2px;line-height:1.3}.summary>p{font-size:10px;color:#99a8a6;line-height:1.8;margin:3px 0}.summary b{color:#779394;font-weight:400;display:flex;align-items:center;gap:5px}.content-grid{display:grid;grid-template-columns:300px minmax(0,1fr);gap:25px;align-items:start}.section-title{display:flex;align-items:center;justify-content:space-between}.section-title h2{font-size:16px;font-weight:600;margin:0}.section-title>span{font-size:10px;color:#8b9b9b}.search{display:flex;align-items:center;border:1px solid #dce6e6;background:#fff;border-radius:6px;margin:19px 0 15px;padding:10px 11px;gap:8px;color:#96a5a4}.search input{border:0;min-width:0;background:none;width:100%;font-size:11px;color:#4f6268}.search input::placeholder{color:#a4afaf}.list{display:flex;flex-direction:column;gap:12px}.paper-card{display:block;text-align:left;border:1px solid #dee7e6;background:#fff;border-radius:7px;padding:17px;width:100%}.paper-card.selected{background:#edf5f5;border-color:#87a4a7;box-shadow:inset 3px 0 #618388}.paper-top{display:flex;align-items:center;justify-content:space-between}.file-icon{color:#8ea3a5;display:flex}.status{font-size:9px;color:#8c9c9b;background:#edf3f2;border-radius:4px;padding:3px 7px}.status.reading{background:#d9eceb;color:#608583}.paper-card h3{font-size:13px;line-height:1.65;margin:10px 0 7px;font-weight:500}.paper-card p{color:#97a6a3;font-size:10px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 16px}.paper-meta{display:flex;align-items:center;justify-content:space-between}.paper-meta>span{font-size:9px;color:#7e9694;background:#ebf4f2;padding:3px 6px;border-radius:3px}.paper-meta small{font-size:9px;color:#9fadac}.add-dashed{margin-top:15px;border:1px dashed #cedddc;border-radius:5px;width:100%;padding:12px;color:#879e9c;font-size:11px}.detail{background:#fff;border:1px solid #dde7e6;border-radius:9px;overflow:hidden;min-height:690px}.detail-heading{padding:23px 26px 20px}.detail-label{display:flex;align-items:center;justify-content:space-between;color:#8ea1a0;font-size:10px}.detail-label>span{display:flex;align-items:center;gap:6px}.icon-btn{padding:4px;color:#91a5a3}.detail-heading h2{font-size:21px;font-weight:600;line-height:1.5;margin:13px 0}.detail-meta{display:flex;align-items:center;gap:10px;font-size:10px;color:#97a7a5}.tag-pill{background:#e8f3f3;color:#789597;padding:4px 8px;border-radius:4px}.meta-divider{height:11px;width:1px;background:#dce7e6}.detail-meta select{font-size:10px;border:0;background:#f5f8f7;padding:4px;color:#709291}.tabs{display:flex;padding:0 26px;border-bottom:1px solid #e3eceb;gap:28px}.tab{font-size:11px;color:#8d9f9c;padding:13px 0;border-bottom:2px solid transparent;gap:6px}.selected-tab{color:#40686d;border-color:#487c7f}.tab i{width:4px;height:4px;border-radius:50%;background:#8eaaa8}.detail-body{padding:24px 26px}.ai-banner{display:flex;align-items:center;background:#edf5f4;border:1px solid #dfefec;border-radius:6px;padding:16px;gap:12px}.spark-box{color:#5c8f8c;display:flex}.ai-banner h3{font-size:12px;font-weight:500;margin:0 0 5px}.ai-banner p{font-size:9px;color:#85a09b;margin:0}.abstract-heading{display:flex;justify-content:space-between;align-items:center;margin-top:21px}h4{font-size:12px;font-weight:500;margin:0}.abstract{font-size:11px;line-height:2;color:#80908f;margin:12px 0 20px;max-height:120px;overflow:auto}.generate{background:#383f5b;color:#fff;border-radius:5px;width:100%;padding:13px;font-size:12px;gap:9px}.generate svg:last-child{margin-left:4px}.generation-note{font-size:9px;text-align:center;color:#9fb2ad;margin:10px 0 23px}.guide-empty{text-align:center;border-top:1px solid #e8f0ee;padding:27px 5px 17px;color:#88a09e}.orbit{margin:0 auto 16px;position:relative;color:#94b3b0;background:#f2f8f6;border:1px solid #ddeeea;border-radius:50%;height:54px;width:54px;display:flex;align-items:center;justify-content:center}.orbit>span{position:absolute;right:-6px;top:0;background:#fff;border:1px solid #dcedea;border-radius:50%;padding:4px;display:flex}.guide-empty h3{font-size:12px;font-weight:500;margin:12px 0;color:#708b8b}.guide-empty p{font-size:10px;line-height:1.9;color:#a3b5b2}.steps{display:flex;justify-content:center;gap:11px;align-items:center;font-size:9px;color:#96adac;margin-top:23px}.steps i{height:3px;width:3px;background:#c7d8d6;border-radius:50%}footer{display:flex;gap:15px;padding:25px 0;color:#a5b5b3;font-size:9px;letter-spacing:.5px}footer span:last-child{margin-left:auto}.results{border-top:1px solid #dfeae9;padding-top:20px;font-size:12px;line-height:1.95}.result-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:24px}.result-top h4{display:flex;align-items:center;gap:5px}.result-top select{max-width:190px;border:1px solid #d9e7e6;border-radius:4px;color:#809897;font-size:9px}.results h4{color:#507378;margin:18px 0 10px}.results ul{padding-left:20px}.results p,.results li{color:#6c8181}.question{padding:12px;background:#f3f9f8;margin-bottom:7px;border-radius:5px;display:flex;gap:12px}.question span{color:#8baba8}.limitations{padding:14px;background:#edf8ef;margin:20px 0;color:#699b6f;font-size:11px}.limitations p{margin:5px 0 0}.secondary{border:1px solid #c2dada;padding:9px 12px;border-radius:5px;color:#547d80;font-size:11px}.ai-footnote{display:block;color:#9badab;margin-top:12px}.editor{display:block;width:100%;min-height:280px;resize:vertical;padding:15px;border:1px solid #d8e6e5;border-radius:6px;line-height:2;color:#537272;font-size:12px;margin-bottom:10px}.help{font-size:11px;color:#8ea4a1;line-height:1.8}.saved{display:flex;gap:6px;align-items:center;color:#7b9f9e;font-size:10px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1f1c3066;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:5;padding:20px}.modal{background:#fff;border-radius:12px;padding:28px;width:510px;max-height:90vh;overflow:auto;box-shadow:0 20px 80px #19172c29}.modal p{font-size:12px;color:#89a09f}.modal label{display:block;font-size:12px;margin-top:20px}.modal input,.modal textarea{display:block;width:100%;border:1px solid #d5e4e3;padding:11px;border-radius:5px;margin-top:8px;font-size:12px}.modal textarea{min-height:150px;resize:vertical}.modal small{color:#8fa7a5;font-size:10px}.modal>.primary{display:flex;margin:18px 0 0 auto}.error{padding:16px;background:#edfce9;color:#5da043;font-size:12px;border-radius:5px}.error button{border:1px solid #abd99f;border-radius:4px;padding:7px}.loading{font-size:12px;color:#709897;padding:20px}.spinner{display:inline-block;width:13px;height:13px;border:2px solid #cadfdf;border-top-color:#598285;border-radius:50%;animation:spin 1s linear infinite;margin-right:8px}.skeleton{height:12px;border-radius:4px;background:#e9f3f1;margin-top:19px}.skeleton.short{width:70%}@keyframes spin{to{transform:rotate(360deg)}}.empty-list{padding:35px 0;text-align:center;line-height:2;color:#8fa9a7}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%);padding:14px 20px;border-radius:6px;background:#363d51;color:#fff;font-size:12px;display:flex;gap:15px;z-index:9}.mobile-menu{display:none}@media(min-width:1450px){main{padding:0 65px}.content-grid{grid-template-columns:330px minmax(0,1fr);gap:30px}}@media(max-width:1100px){.sidebar{width:195px;padding:28px 16px}.brand-en{display:none}main{margin-left:195px;width:calc(100% - 195px);padding:0 24px}.content-grid{grid-template-columns:250px minmax(0,1fr);gap:18px}.summary>p{display:none}.summary>div:last-of-type{border:0;margin-right:0}h1{font-size:23px}.detail-heading,.detail-body{padding:20px}.tabs{padding:0 20px;gap:22px}.ai-banner{padding:13px}.ai-banner p{line-height:1.8}}@media(max-width:800px){.sidebar{display:none;z-index:4;width:230px;box-shadow:15px 0 40px #24233b20}.sidebar.open{display:flex}main{margin:0;width:100%;padding:0 20px}header{height:59px;gap:10px;justify-content:flex-start}.mobile-menu{display:flex}header>.text-btn{margin-left:auto}.heading-line{align-items:flex-start}h1{font-size:22px;line-height:1.5}.page-heading{padding:25px 0}.heading-line p{font-size:11px;line-height:1.9}.primary{padding:10px;font-size:11px}.summary{padding:17px 12px;margin-bottom:25px}.summary>div{gap:8px;margin-right:12px}.summary-icon{padding:8px}.summary strong{font-size:22px}.content-grid{grid-template-columns:1fr}.list{flex-direction:row;overflow:auto;gap:10px;padding-bottom:6px}.paper-card{min-width:240px;max-width:260px}.search{margin:13px 0}.add-dashed{margin-top:7px}.detail{margin-top:5px;min-height:620px}.detail-heading h2{font-size:19px}.detail-body{padding:20px}.tabs{gap:27px}.guide-empty{padding:30px 0}.summary>div>span:last-child{font-size:9px}footer{flex-wrap:wrap;gap:8px}footer span:last-child{width:100%;margin:0}.result-top{flex-wrap:wrap}.steps{gap:9px}.modal{padding:23px}.toast{width:max-content;max-width:90%}}.library,.detail{min-width:0}@media(max-width:800px){.content-grid{grid-template-columns:minmax(0,1fr)}.summary>div{min-width:0}.heading-line>div{min-width:0}.list{max-width:100%}}:root{font-family:Georgia,Songti SC,serif;background:#f3f0e7;color:#202d41}.sidebar{background:#182c45;color:#e8e5db;border-right:0}.sidebar .nav,.tag-nav,.nav-label,.local,.sidebar-bottom p{color:#c0ccda}.sidebar .nav.active{background:#f4eee0;color:#172c47}.workspace{border-color:#536174}.brand-icon{background:#bb8c53}.sidebar-bottom{border-top:1px solid #627181}.mini-art{filter:sepia(.5)}h1{font-family:Georgia,Songti SC,serif;font-size:34px;letter-spacing:1px}.eyebrow{letter-spacing:4px;color:#8b6238}.summary{border-radius:0;border-block:1px solid #bbb4a5;background:transparent;box-shadow:none}.paper-card{border-radius:0;border:0;border-bottom:1px solid #c7c1b5;background:transparent;padding-block:24px}.paper-card.selected{border-left:4px solid #213e60;background:#e7eaf0}.detail{border-radius:0;border-top:5px solid #213e60;box-shadow:6px 6px #dad6cb}.primary{background:#213e60;border-radius:3px}.ai-banner{border-radius:0;background:#eff1f5}.summary-icon{border-radius:2px}@media(min-width:1101px){.content-grid{grid-template-columns:minmax(280px,.85fr) minmax(0,1.45fr)}main{padding-inline:38px}}@media(max-width:700px){input,textarea,select{font-size:16px}h1{overflow-wrap:anywhere}}