@charset "UTF-8";
:root{--bg:#f5f6f3;--paper:#fff;--ink:#233a31;--text:#34433c;--muted:#77817a;--line:#dfe5df;--green:#216451;--soft:#eaf1eb;--blue:#5169a2;--amber:#a76434;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;font-size:14px;line-height:1.75}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,summary{touch-action:manipulation}button,summary,select{cursor:pointer}button{color:inherit}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #82aa96;outline-offset:3px}h1,h2,h3,p{margin:0}button{border:0}input,select{min-width:0}main{min-height:calc(100vh - 159px)}.sr-only,.skip{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip:focus{z-index:100;clip:auto;width:auto;height:auto;background:white;padding:12px}.site-header{height:84px;border-bottom:1px solid var(--line);background:#fcfdfb}.header-inner{height:100%;max-width:1440px;padding:0 48px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;gap:13px;align-items:center;font-size:19px;letter-spacing:1px;font-weight:650;color:var(--ink)}.brand-mark{display:grid;place-items:center;background:var(--green);color:white;width:35px;height:40px;font-size:27px;border-radius:3px}.brand small{display:block;font-weight:500;font-size:9px;letter-spacing:2.5px;line-height:1.2;color:var(--muted)}.site-nav{display:flex;align-items:center;gap:32px;font-size:13px}.nav-library{color:var(--green)}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:44px;padding:10px 22px;background:var(--green);color:#fff;border:1px solid var(--green);border-radius:5px;font-weight:550;line-height:1.5}.button:hover{background:#194b3d}.button-small{min-height:38px;padding:8px 15px;font-size:12px;gap:18px}.button-secondary{background:transparent;color:var(--green)}.button-secondary:hover{background:var(--soft)}.account-menu{position:relative}.account-menu summary{list-style:none;display:flex;align-items:center;gap:16px;padding:8px 12px;border:1px solid var(--line);border-radius:4px}.account-menu summary::-webkit-details-marker{display:none}.account-popover{position:absolute;right:0;top:calc(100% + 9px);z-index:30;width:164px;border:1px solid var(--line);background:#fff;padding:8px;box-shadow:0 10px 28px #17291d12;border-radius:5px}.account-popover a,.account-popover button{display:block;width:100%;padding:8px 10px;text-align:left;background:none;font-size:13px}.account-popover a:hover,.account-popover button:hover{background:var(--soft);color:var(--green)}.library-shell{max-width:1440px;margin:auto;display:grid;grid-template-columns:226px minmax(0,1fr);gap:48px;padding:46px 48px 64px}.sidebar{border-right:1px solid var(--line);padding-right:28px}.category-menu summary{font-size:11px;color:var(--muted);letter-spacing:2px;list-style:none;margin:4px 0 20px;pointer-events:none}.category-menu summary span{display:none}.category-menu summary::-webkit-details-marker{display:none}.category-link{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;margin:4px -12px;border-radius:4px;font-size:13px;gap:10px}.category-link:hover{color:var(--green);background:#edf2ec}.category-link.selected{background:var(--soft);color:var(--green);font-weight:600}.category-link.child{font-size:12px;padding-left:28px}.category-link.child span:first-child:before{content:"";display:inline-block;width:5px;height:5px;background:#acb8ad;border-radius:50%;margin:0 9px 2px -13px}.count{font-size:10px;font-variant-numeric:tabular-nums;color:#89948b}.sidebar-note{margin-top:80px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted)}.note-symbol{color:#82a38c;font-size:25px;display:block;margin-bottom:5px}.sidebar-note p{font-size:12px;line-height:2}.sidebar-note small{display:block;font-size:10px;line-height:1.9;margin-top:18px;color:#9aa199}.catalog-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:29px}.eyebrow{font-size:10px;letter-spacing:2.3px;font-weight:600;color:#7a8c7d;margin-bottom:13px}.catalog-heading h1{font-size:29px;font-weight:600;letter-spacing:-.5px;color:var(--ink);line-height:1.5}.section-description{font-size:12px;color:var(--muted);margin-top:10px}.catalog-total{font-size:11px;color:var(--muted);white-space:nowrap;padding-bottom:1px}.catalog-total strong{font-family:Georgia,serif;font-weight:400;font-size:39px;color:var(--green);margin-right:6px}.search-form{position:relative;display:flex;align-items:center;gap:12px;border:1px solid #ccd7ce;background:#fcfdfb;border-radius:5px;height:51px;padding:0 9px 0 17px}.search-icon{font-size:28px;line-height:1;color:#7b8c80;margin-top:-5px}.search-form input[type=search]{width:100%;height:100%;border:0;outline:none;background:transparent;color:var(--ink);font-size:13px;min-width:0}.search-form:focus-within{border-color:var(--green);box-shadow:0 0 0 2px #21645115}.search-form input::placeholder{color:#9aa59d}.search-submit{background:var(--soft);color:var(--green);font-size:12px;border-radius:3px;padding:7px 13px;white-space:nowrap;display:flex;gap:22px}.search-submit:hover{background:#dceadd}.filter-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:17px 0 24px;border-bottom:1px solid var(--line)}.tag-filters{display:flex;align-items:center;gap:7px;flex-wrap:wrap;flex:1}.filter-label{font-size:11px;color:#8b978d;margin-right:8px}.tag{font-size:10px;border:1px solid transparent;border-radius:3px;padding:3px 9px;white-space:nowrap;color:#6c7b71}.tag.active{color:var(--green);background:var(--soft);border-color:#cbdccb}.tag:hover{border-color:#cbdccb}.select-filters{display:flex;gap:10px;align-items:center}.select-filters select{background:transparent;border:0;color:#6f7d73;font-size:11px;padding:5px 2px}.filter-apply{background:transparent;font-size:11px;color:var(--green)}.js .filter-apply{display:none}.results-line{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#8b978d;letter-spacing:.4px;padding:19px 0 12px}.results-line>span:first-child{color:#66776b;font-weight:550}.results-line a{color:var(--green)}.paper-row{padding:27px 0 30px;display:grid;grid-template-columns:40px minmax(0,1fr);border-bottom:1px solid var(--line);gap:9px}.paper-index{font-family:Georgia,serif;font-size:19px;color:#9cac9f;line-height:1.4;padding-top:1px}.paper-kicker{display:flex;gap:11px;font-size:10px;color:#738374;margin-bottom:10px;letter-spacing:.4px}.paper-kicker>span:first-child{color:var(--green)}.separator{color:#bdc7be}.paper-body h2{font-size:21px;line-height:1.55;color:var(--ink);font-weight:600;letter-spacing:-.15px}.paper-body h2 a:hover{color:var(--green);text-decoration:underline;text-underline-offset:5px}.english-title{margin-top:6px;color:#879289;font-size:12px;line-height:1.65}.authors{margin-top:13px;font-size:11px;color:#8b948c}.paper-summary{font-size:13px;line-height:1.95;color:#5e6e63;margin-top:14px;max-width:770px}.paper-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px}.paper-tags{display:flex;gap:8px;flex-wrap:wrap}.paper-tags a{font-size:10px;line-height:1.5;padding:4px 9px;background:#edf1ec;border-radius:3px;color:#708372}.paper-tags a:hover{color:var(--green);background:#e0eadd}.read-link{color:var(--green);font-size:12px;font-weight:600;display:flex;gap:18px;align-items:center;white-space:nowrap}.read-link:hover{text-decoration:underline;text-underline-offset:5px}.read-link span{font-size:19px;font-weight:400}.reading-legend{display:flex;gap:20px;flex-wrap:wrap;margin-top:34px;font-size:10px;color:#8c978d;align-items:center}.legend-title{margin-right:auto}.reading-legend>span{white-space:nowrap}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;vertical-align:middle;margin-right:5px}.dot.blue{background:var(--blue)}.dot.green{background:var(--green)}.dot.amber{background:var(--amber)}.site-footer{max-width:1344px;margin:auto;border-top:1px solid var(--line);padding:20px 0 25px;color:#97a196;font-size:10px;display:flex;justify-content:space-between;gap:20px;letter-spacing:.6px}.site-footer>span:first-child{color:#768574}.pagination{display:flex;justify-content:center;gap:30px;margin-top:30px;font-size:12px}.pagination a{color:var(--green)}.empty-state{text-align:center;padding:65px 16px 70px;color:var(--muted)}.empty-state>span{display:block;font-size:36px;color:#a3b6a6;margin-bottom:15px}.empty-state h2{font-size:19px;font-weight:500;color:var(--ink)}.empty-state p{margin:10px 0 20px;font-size:13px}.detail-shell{max-width:1180px;padding:35px 40px 80px;margin:auto}.breadcrumbs{display:flex;gap:14px;color:#859186;font-size:12px;margin:0 0 40px}.breadcrumbs a:hover{color:var(--green)}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px}.detail-main h1{font-size:33px;color:var(--ink);line-height:1.5;font-weight:600}.detail-english{font-size:16px;line-height:1.7;color:#7a897d;margin-top:14px}.detail-authors{font-size:12px;line-height:1.9;color:#89938a;margin:20px 0}.detail-main>.paper-tags{margin:18px 0 35px}.public-summary{border-top:1px solid var(--line);padding-top:28px}.public-summary h2,.related h2{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--ink)}.public-summary p{font-size:14px;line-height:2.05;color:#627366;margin-bottom:15px}.reading-card{align-self:start;border:1px solid #d4dfd3;border-radius:6px;padding:27px;background:#fcfdfb;position:sticky;top:25px}.reading-card h2{font-size:20px;font-weight:600;color:var(--ink);margin:10px 0}.reading-card p{font-size:12px;line-height:1.9;color:#829080;margin-bottom:23px}.reading-card .button{width:100%;font-size:13px;padding:12px}.reading-card>small{display:block;text-align:center;font-size:10px;color:#9aa497;margin-top:10px}.reading-card dl{display:grid;grid-template-columns:1fr 1fr;font-size:11px;gap:12px;border-top:1px solid var(--line);padding-top:20px;margin:24px 0 18px}.reading-card dt{color:#8b9789}.reading-card dd{margin:0;text-align:right;color:#65765f}.source-link{display:flex;justify-content:space-between;font-size:12px;color:var(--green);padding-top:12px}.reader-preview{display:grid;grid-template-columns:1.2fr 1fr;border:1px solid var(--line);border-radius:5px;margin-top:30px;background:#fafcf9;min-height:190px}.preview-pane{padding:22px}.preview-pane+.preview-pane{border-left:1px solid var(--line)}.preview-label{font-size:12px;color:var(--green);display:block;margin-bottom:18px}.preview-line{height:5px;background:#e0e8de;display:block;width:82%;margin:12px 0}.preview-line.long{width:96%}.preview-line.short{width:60%}.preview-pane p{font-size:11px;margin-bottom:10px;color:#7f8e7c}.preview-pane small{display:block;margin-top:20px;font-size:10px;color:#9aa596}.related{margin-top:38px}.related>a{display:flex;justify-content:space-between;font-size:13px;border-bottom:1px solid var(--line);padding:14px 0;color:var(--green);gap:20px}.auth-layout{max-width:1070px;margin:auto;padding:90px 40px 100px;display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:center}.auth-intro h1{font-size:38px;line-height:1.6;font-weight:550;color:var(--ink);margin:22px 0}.auth-intro>p:not(.eyebrow){color:#7d8a7d;font-size:13px;line-height:2}.auth-chain{display:flex;align-items:center;gap:22px;margin-top:38px;color:#7f8e7b;font-size:12px}.auth-chain b{font-weight:400;color:#b2beb0}.auth-card{border:1px solid var(--line);background:#fcfdfb;border-radius:7px;padding:35px;box-shadow:0 5px 20px #233a3103}.auth-card h1,.auth-card h2{font-size:25px;color:var(--ink);font-weight:550;line-height:1.5;margin-bottom:10px}.muted{color:var(--muted);font-size:12px}.auth-card form{margin-top:27px}.form-field{margin-bottom:21px}.form-field label{display:block;font-size:12px;color:#687c69;margin-bottom:7px}.form-field input{width:100%;height:43px;border:1px solid #d7dfd5;border-radius:4px;background:white;padding:8px 11px;color:var(--ink)}.full-width{width:100%;justify-content:space-between;font-size:13px}.auth-note{font-size:10px;line-height:1.8;color:#97a092;margin:20px 0}.back-link{font-size:11px;color:var(--green)}.standalone{max-width:460px;margin:55px auto 70px}.helptext{font-size:11px;color:#8a9787;line-height:1.9;margin-top:8px}.helptext ul{padding-left:18px}.errorlist{padding:10px 12px 10px 26px;color:#9b4d40;font-size:12px;background:#f8eee9;border-radius:4px}.messages{max-width:1200px;margin:15px auto;padding:0 24px}.message{padding:10px 16px;background:var(--soft);color:var(--green);border:1px solid var(--line);border-radius:4px;font-size:12px}.message.error{background:#f8eee9;color:#9b4d40}
@media(min-width:1441px){.library-shell{padding-top:58px}.paper-row{padding-top:32px;padding-bottom:35px}}
@media(max-width:1100px){.header-inner{padding:0 30px}.library-shell{padding:34px 30px 55px;grid-template-columns:185px minmax(0,1fr);gap:30px}.sidebar{padding-right:22px}.catalog-heading h1{font-size:25px}.catalog-total{display:none}.paper-body h2{font-size:19px}.site-footer{margin:0 30px}.detail-grid{gap:35px;grid-template-columns:minmax(0,1fr) 250px}.detail-main h1{font-size:29px}.reading-card{padding:23px}.auth-layout{gap:40px;grid-template-columns:1fr 360px}.auth-intro h1{font-size:32px}}
@media(max-width:760px){.site-header{height:72px}.header-inner{padding:0 20px}.brand{font-size:17px;gap:10px}.brand-mark{width:29px;height:34px;font-size:23px}.brand small{font-size:8px;letter-spacing:2px}.site-nav{gap:15px}.nav-library{display:none}.button-small{font-size:11px;padding:8px 10px;gap:12px}.library-shell{display:flex;flex-direction:column;padding:23px 20px 42px;gap:22px}.sidebar{border:0;padding:0}.category-menu{border:1px solid var(--line);border-radius:5px;background:#fafcf8}.category-menu summary{pointer-events:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:0;padding:10px 13px;margin:0;color:#667c67}.category-menu summary span{display:inline}.category-menu nav{padding:0 25px 12px}.sidebar-note{display:none}.catalog-heading{margin-bottom:22px}.eyebrow{font-size:9px;letter-spacing:1.6px}.catalog-heading h1{font-size:23px;letter-spacing:-.5px}.section-description{font-size:11px;line-height:1.9;max-width:310px;margin-top:10px}.search-form{height:46px;padding-left:12px}.search-form input[type=search]{font-size:12px}.search-submit{font-size:11px;padding:6px 9px;gap:12px}.filter-toolbar{padding-bottom:16px;gap:14px}.tag-filters{flex-basis:100%;gap:5px}.tag{font-size:10px;padding:3px 7px}.filter-label{margin-right:5px}.select-filters{width:100%;justify-content:flex-end}.select-filters label:first-child{margin-right:auto}.paper-row{padding:20px 0 25px;grid-template-columns:23px minmax(0,1fr);gap:7px}.paper-index{font-size:15px;line-height:1.6}.paper-body h2{font-size:19px;line-height:1.65}.english-title{font-size:11px}.authors{margin-top:11px;font-size:10px}.paper-summary{font-size:12px;line-height:1.95;margin-top:13px}.paper-bottom{align-items:flex-start;flex-direction:column;gap:17px;margin-top:19px}.read-link{align-self:flex-end;font-size:11px}.paper-tags{gap:5px}.paper-tags a{font-size:9px;padding:3px 7px}.reading-legend{gap:12px;margin-top:25px;font-size:9px}.legend-title{flex-basis:100%}.site-footer{margin:0 20px;padding:20px 0;flex-wrap:wrap;gap:8px;font-size:9px}.site-footer span:last-child{display:none}.site-footer>span:first-child{margin-right:auto}.detail-shell{padding:25px 20px 45px}.breadcrumbs{margin-bottom:27px;font-size:11px}.detail-grid{display:flex;flex-direction:column;gap:25px}.detail-main h1{font-size:27px}.detail-english{font-size:13px}.detail-authors{font-size:11px}.public-summary p{font-size:13px}.reading-card{width:100%;position:static}.reader-preview{min-height:180px}.preview-pane{padding:16px}.preview-pane small{font-size:9px}.auth-layout{display:flex;flex-direction:column;padding:32px 20px 50px;gap:30px}.auth-intro{width:100%;max-width:420px}.auth-intro h1{font-size:28px;margin:12px 0}.auth-intro h1 br{display:none}.auth-intro>p:not(.eyebrow){font-size:12px}.auth-chain{margin-top:18px;gap:18px;font-size:11px}.auth-card{padding:27px;width:100%;max-width:420px}.standalone{margin:30px auto 40px;width:calc(100% - 40px)}.standalone h1{font-size:24px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
