:root{--bg:#f5f6f1;--paper:#fff;--ink:#243d31;--text:#415347;--muted:#738073;--green:#28634a;--line:#dce3d7;--soft:#eaf0e5;--amber:#8b642e}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.7 "Segoe UI","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #9ab99d;outline-offset:4px}[hidden]{display:none!important}
.site-header{max-width:1280px;margin:auto;height:104px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;color:var(--ink);font-size:21px;font-weight:650;letter-spacing:1px}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:44px;background:var(--green);border-radius:9px;color:white;font:27px "SimSun",serif}.brand small{display:block;font-size:8px;letter-spacing:1.7px;color:var(--muted);margin-top:2px;font-weight:500}.site-header nav{display:flex;align-items:center;gap:28px;font-size:13px}.nav-home{color:var(--ink);font-weight:600}.quiet-link,.text-button{color:var(--muted)}.text-button{padding:0;border:0;background:none;font-size:13px}.text-button:hover{text-decoration:underline}main{max-width:1184px;margin:auto;padding:0 48px}
.edition-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:27px 0 0;font-size:11px;color:var(--muted)}.edition{display:flex;align-items:center;gap:10px}.edition-dot{width:6px;height:6px;background:#61815c;border-radius:50%}.edition-divider{color:#b1bdab;margin:0 3px}#edition-note{font-size:11px}.intro{display:grid;grid-template-columns:1fr 265px;align-items:center;gap:70px;padding:42px 0 37px}.eyebrow{font-size:10px;letter-spacing:1.6px;font-weight:550;color:#7b8e6f;margin:0 0 13px}h1{font:500 43px/1.5 "Songti SC","SimSun",serif;letter-spacing:1.2px;margin:0 0 20px}h1 em{font-style:normal;color:#65815b}.intro-description{font-size:14px;color:var(--muted);line-height:2;margin:0}.editorial-note{border-left:1px solid #d1dcc9;padding:2px 0 0 31px}.note-index{font-size:10px;color:#7f9174;letter-spacing:1.5px}.note-rule{width:24px;height:1px;background:#9eb391;margin-top:15px}.editorial-note p{font:20px/1.8 "Songti SC","SimSun",serif;color:#73826a;margin:17px 0 20px}.editorial-note strong{color:#3a6145;font-weight:500}.note-bottom{font-size:10px;color:#92a086}
.week-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:27px;border-bottom:1px solid var(--line)}.week-selector{display:flex;align-items:center;gap:12px}.week-selector label{font-size:12px;color:var(--muted)}select{background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:10px 30px 10px 13px;color:#50644a;font-size:12px}.toolbar-actions{display:flex;gap:10px}.button{border:1px solid var(--line);padding:10px 16px;border-radius:7px;font-size:12px;white-space:nowrap;background:white;color:#5a6d51;min-height:41px}.button.primary{background:var(--green);color:white;border-color:var(--green)}.button.primary:hover{background:#1d513b}.button.secondary:hover{background:#edf2e7}#generate-symbol{display:inline-block;font-size:17px;line-height:14px;margin-right:3px}.spinning{animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin:34px 0 23px}.section-heading .eyebrow{font-size:9px;margin-bottom:8px}.section-heading h2{font-size:23px;font-weight:550;letter-spacing:.3px;margin:0}.browse-all{font-size:12px;white-space:nowrap;padding-bottom:3px}.browse-all span{margin-left:8px;font-size:17px}.direction-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.direction-card{display:flex;flex-direction:column;min-height:298px;padding:24px 23px 20px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);transition:border-color .18s,transform .18s}.direction-card:hover{border-color:#7e9b74;transform:translateY(-3px);text-decoration:none}.direction-card-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.direction-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--soft);color:#54764d;border-radius:10px}.direction-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.direction-count{font-size:10px;color:#87947b}.direction-card h3{font-size:20px;line-height:1.5;font-weight:600;margin:18px 0 5px}.direction-description{font-size:11px;line-height:1.8;color:#7c8974;margin:0 0 15px}.direction-previews{padding:0;margin:0 0 16px;list-style:none;flex:1}.direction-previews li{font-size:12px;color:#5f7057;line-height:1.8;margin:0 0 8px;padding-left:12px;position:relative;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.direction-previews li:before{content:"";position:absolute;left:0;top:10px;width:3px;height:3px;border-radius:50%;background:#98ac8c}.direction-card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #eef1e9;padding-top:12px;font-size:11px;color:#5e7c51}.direction-card-bottom span:last-child{font-size:19px;line-height:1}.direction-card.is-empty{background:transparent;border-style:dashed;min-height:239px}.direction-card.is-empty .direction-icon{background:#ecefe7;color:#8c9a83}.direction-card.is-empty h3{color:#7d8975}.direction-empty{font-size:11px;color:#97a08e;line-height:1.9;margin:0 0 18px;flex:1}.classification-note{font-size:11px;color:#8b9781;margin:20px 0 0}
.breadcrumb{display:flex;align-items:center;gap:10px;color:#92a087;font-size:12px;padding-top:28px}.breadcrumb a{color:#6f8563}.breadcrumb span:last-child{color:#4d6843}.detail-heading{padding:30px 0 25px}.detail-heading .eyebrow{margin-bottom:10px}.detail-heading h1{font-family:inherit;font-size:33px;font-weight:550;letter-spacing:.4px;line-height:1.5;margin-bottom:12px;outline:none}.detail-heading>p:last-child{font-size:13px;color:var(--muted);margin:0;max-width:700px;line-height:1.9}.reading-controls{padding:17px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.topic-tabs{display:flex;flex-wrap:wrap;gap:9px}.topic-tabs a{display:inline-flex;align-items:center;min-height:34px;padding:5px 12px;border:1px solid transparent;border-radius:6px;color:#819174;font-size:11px;white-space:nowrap}.topic-tabs a.active{color:var(--green);background:#e7efdf;border-color:#d8e4ce;font-weight:600}.topic-tabs a:hover{background:#eef2e8;text-decoration:none}.search{display:flex;align-items:center;gap:8px;margin-top:15px;max-width:380px;padding:0 12px;background:white;border:1px solid var(--line);border-radius:7px}.search>span{font-size:23px;line-height:1;color:#8d9d80}.search input{border:0;background:transparent;width:100%;font-size:12px;color:var(--ink);padding:10px 0;min-width:0}.search input::placeholder{color:#9ba58f}.search input:focus-visible{outline:none}.search:focus-within{outline:2px solid #a4bb98;outline-offset:2px}.digest{padding:5px 0 20px}.entry{max-width:880px;margin:25px auto 0;padding:34px 39px 28px;border:1px solid var(--line);border-radius:13px;background:var(--paper)}.entry-meta{display:flex;align-items:center;gap:11px;font-size:11px;color:#819075;flex-wrap:wrap}.entry-type{color:var(--green);background:var(--soft);padding:4px 8px;border-radius:4px}.entry-preprint{color:var(--amber);background:#f7efe1;padding:4px 7px;border-radius:4px}.entry h2{font-size:25px;font-weight:600;color:#28432f;line-height:1.65;margin:19px 0 23px;overflow-wrap:anywhere}.entry-body{font-size:17px;line-height:1.95;color:#3d503e;letter-spacing:.15px;overflow-wrap:break-word}.entry-body p{margin:0 0 16px}.entry-body p:first-child{font-size:18px;color:#2c4431;font-weight:500}.entry-body p:last-child{margin-bottom:0}.entry-body strong{color:#286344;font-weight:650}.entry-data{margin-top:24px;border-left:3px solid #95b287;background:#f0f5eb;padding:13px 17px;color:#507048;font-size:13px;line-height:1.9;border-radius:0 6px 6px 0}.entry-data>span{display:block;font-size:10px;color:#869c77;margin-bottom:4px;letter-spacing:.7px}
.source-box{margin-top:27px;padding-top:21px;border-top:1px solid #e8ede2}.source-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.source-label{font-size:13px;font-weight:600;color:#5d7055;letter-spacing:.4px;margin-right:2px}.source-name{font-size:19px;font-weight:650;color:#26482e;line-height:1.6}.source-verdict{font-size:11px;padding:3px 7px;border-radius:4px;background:#edf3e7;color:#547448}.source-box[data-kind="preprint"] .source-verdict{background:#f8efdf;color:#96702f}.source-box[data-kind="news"] .source-verdict{background:#edf1f5;color:#607488}.source-box[data-kind="unknown"] .source-verdict{background:#f1f0ed;color:#888273}.source-bottom{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:18px}.source-via{font-size:12px;color:#718268;display:flex;flex-wrap:wrap;align-items:center;gap:12px}.source-via a{color:#7b9270;text-decoration:underline;text-underline-offset:3px}.source-original{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:8px 12px;border-radius:6px;background:#eaf1e4;color:#3e6d40;font-size:11px;white-space:nowrap;flex-shrink:0}.source-original:hover{background:#dfead6;text-decoration:none}.entry-topics{display:flex;gap:7px;flex-wrap:wrap;margin-top:17px}.entry-topics a{font-size:10px;color:#8a9b7c}.entry-topics a:before{content:"#";margin-right:3px;color:#a4b198}.back-bottom{display:block;text-align:center;padding:17px 0 8px;font-size:12px;color:#7e9270}
.empty{padding:60px 25px;text-align:center;border:1px dashed #d4deca;border-radius:12px;margin-top:24px}.empty-symbol{font:30px serif;color:#a1b296;display:block}.empty h2{font-size:19px;font-weight:500;margin:14px 0 10px}.empty p{max-width:480px;margin:0 auto;color:var(--muted);font-size:13px;line-height:1.9}.empty .button{margin-top:22px}.generation{background:#eaf1e4;border:1px solid #d9e4cf;border-radius:8px;padding:17px 20px;margin-top:20px}.generation-head{display:flex;align-items:center;gap:10px}.generation-head strong{font-weight:550;font-size:12px}.generation-head .text-button{margin-left:auto;font-size:11px}.generation-indicator{width:7px;height:7px;background:#799c6c;border-radius:50%;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}.generation p{font-size:12px;line-height:1.8;color:#526b4a;margin:10px 0 7px;overflow-wrap:anywhere}.generation small{font-size:10px;color:#87977d}.notice{padding:12px 17px;background:#f6f0e4;border:1px solid #e7deca;color:var(--amber);font-size:12px;border-radius:7px;margin-top:20px;line-height:1.9}footer{padding:35px 0 30px;margin-top:39px;border-top:1px solid var(--line);color:#929e86;font-size:10px;line-height:1.9}.footer-brand{display:flex;justify-content:space-between;gap:20px;margin-bottom:14px}.footer-brand span:first-child{font-size:13px;color:#738868;letter-spacing:1px}footer p{margin:4px 0}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 20px;color:#fff;background:#2b4935;border-radius:7px;font-size:12px;max-width:90vw;z-index:10}
dialog{width:620px;max-width:calc(100vw - 28px);max-height:90vh;border:1px solid var(--line);border-radius:12px;padding:29px;color:var(--ink);background:var(--paper)}dialog::backdrop{background:#172b2066}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 0 20px}.dialog-head h2{font-size:20px;line-height:1.6;font-weight:600;margin:0}.close-button{border:1px solid var(--line);border-radius:50%;width:28px;height:28px;background:none;font-size:21px;color:var(--muted);line-height:1;flex-shrink:0}.dialog-lead{font-size:14px;color:var(--green)}dialog p,dialog li{font-size:13px;line-height:1.9;color:#74816a}dialog ol{padding-left:20px}dialog li{margin:15px 0}.policy-links{display:flex;flex-wrap:wrap;gap:6px 15px;padding-top:10px;font-size:11px}.policy-links a{font-size:11px}.fine-print{border-top:1px solid var(--line);padding-top:16px;margin-top:20px;font-size:11px!important;color:#929d88!important}#access-token{width:100%;padding:10px;border:1px solid var(--line);border-radius:6px}.error-text{color:#a06748!important}
@media(min-width:1440px){.intro{padding-top:49px;padding-bottom:43px}h1{font-size:47px}.direction-card{min-height:310px}.entry{padding:39px 44px 30px}.entry-body{font-size:18px}.entry-body p:first-child{font-size:19px}.entry h2{font-size:27px}}
@media(max-width:960px){.site-header{padding:0 32px}main{padding:0 32px}.intro{gap:35px;grid-template-columns:1fr 215px}h1{font-size:38px}.editorial-note{padding-left:25px}.editorial-note p{font-size:18px}.direction-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.direction-card{min-height:285px}.direction-card.is-empty{min-height:230px}}
@media(max-width:640px){.site-header{height:85px;padding:0 22px}.brand{font-size:19px;gap:10px}.brand-mark{width:36px;height:38px;font-size:24px}.brand small{font-size:6.5px;letter-spacing:1.2px}.site-header nav{gap:15px;font-size:11px}.text-button{font-size:11px}.quiet-link{display:none}main{padding:0 22px}.edition-bar{padding-top:21px;align-items:flex-start}.edition{font-size:10px;gap:7px;flex-wrap:wrap}#edition-note{display:none}.intro{grid-template-columns:1fr;padding:30px 0 28px;gap:0}.eyebrow{font-size:9px}h1{font-size:35px;margin-bottom:17px;letter-spacing:.5px}.intro-description{font-size:12px}.editorial-note{display:none}.week-toolbar{gap:13px;align-items:flex-end;flex-wrap:wrap;padding-bottom:23px}.week-selector{gap:10px}.week-selector label{font-size:11px}select{font-size:11px;padding:9px 23px 9px 11px}.toolbar-actions{gap:8px}.button{font-size:11px;padding:9px 13px;min-height:39px}.section-heading{margin:28px 0 19px;gap:10px}.section-heading h2{font-size:20px}.section-heading .eyebrow{font-size:8px}.browse-all{font-size:10px}.browse-all span{margin-left:3px}.direction-grid{gap:12px}.direction-card{min-height:284px;padding:19px 16px 16px;border-radius:10px}.direction-icon{width:35px;height:35px;border-radius:8px}.direction-icon svg{width:23px;height:23px}.direction-count{font-size:9px}.direction-card h3{font-size:17px;margin-top:15px}.direction-description{font-size:10px;min-height:35px}.direction-previews li{font-size:11px}.direction-card-bottom{font-size:10px}.direction-card.is-empty{min-height:235px}.classification-note{font-size:10px;line-height:1.9}.detail-heading{padding:26px 0 22px}.detail-heading h1{font-size:29px}.detail-heading>p:last-child{font-size:12px}.breadcrumb{font-size:11px;padding-top:24px}.topic-tabs{gap:5px}.topic-tabs a{font-size:10px;padding:5px 9px}.search{max-width:none}.entry{padding:27px 25px 22px;margin-top:21px}.entry h2{font-size:23px;margin:17px 0 21px}.entry-body{font-size:16px;line-height:2}.entry-body p:first-child{font-size:17px}.entry-meta{font-size:10px;gap:8px}.source-name{font-size:17px}.source-bottom{align-items:flex-start;flex-wrap:wrap;gap:14px}.source-original{margin-left:auto}.source-via{font-size:12px}.entry-data{font-size:12px}footer{margin-top:30px;padding-top:25px}.footer-brand{display:block}.footer-brand span{display:block;margin:5px 0}.generation{padding:14px}.generation-head strong{font-size:11px}dialog{padding:23px}.dialog-head h2{font-size:18px}}
@media(max-width:390px){main{padding:0 17px}.site-header{padding:0 17px}.direction-grid{gap:10px}.direction-card{padding:17px 13px 14px}.direction-card h3{font-size:16px}.direction-description{font-size:10px}.direction-previews li{font-size:10px}.entry{padding:24px 20px}.entry h2{font-size:22px}.section-heading h2{font-size:18px}.toolbar-actions{width:100%}.toolbar-actions .button{flex:1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.direction-card{transition:none}.spinning,.generation-indicator{animation:none}}
.direction-card.is-empty{grid-column:1/-1;min-height:0;flex-direction:row;align-items:center;gap:18px;padding:18px 23px}.direction-card.is-empty h3{font-size:15px;margin:0 0 2px}.direction-card.is-empty .direction-description{margin:0;font-size:11px;min-height:0}.direction-card.is-empty .direction-empty{flex:1;text-align:right;margin:0;font-size:11px}.direction-card.is-empty>span:last-child{color:#8b9d7d}
@media(max-width:640px){.direction-card.is-empty{gap:12px;padding:16px}.direction-card.is-empty .direction-icon{flex-shrink:0}.direction-card.is-empty h3{font-size:14px}.direction-card.is-empty .direction-description{display:none}.direction-card.is-empty .direction-empty{font-size:10px;max-width:115px}}
/* Keep the field names visible on the first screen. */
.site-header{height:90px}.edition-bar{padding-top:22px}.intro{padding:26px 0 28px}h1{font-size:39px;line-height:1.4;margin-bottom:15px}.intro .eyebrow{margin-bottom:10px}.intro-description{font-size:13px;line-height:1.9}.editorial-note p{font-size:18px;margin:13px 0 15px}.week-toolbar{padding-bottom:23px}.section-heading{margin-top:27px}.direction-description{font-size:12px}.direction-previews li{font-size:13px}.direction-count{font-size:11px}
@media(min-width:1440px){.intro{padding:31px 0}h1{font-size:43px}}
@media(max-width:640px){.site-header{height:82px}.intro{padding:27px 0 25px}h1{font-size:34px}.intro-description{font-size:12px}.direction-description{font-size:10px}.direction-previews li{font-size:11px}.direction-count{font-size:9px}}
@media(max-width:540px){.direction-grid{grid-template-columns:1fr}.direction-card{min-height:0;padding:22px}.direction-icon{width:39px;height:39px}.direction-count{font-size:11px}.direction-card h3{font-size:20px;margin:15px 0 6px}.direction-description{font-size:12px;min-height:0;margin-bottom:15px}.direction-previews li{font-size:13px}.direction-card-bottom{font-size:12px}.direction-card.is-empty{padding:18px 17px}.direction-card.is-empty h3{font-size:14px}.direction-card.is-empty .direction-empty{font-size:10px}}
[hidden]{display:none!important}
.source-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-left:auto}
.source-more{display:inline-flex;align-items:center;border:1px solid #a6bda8;border-radius:8px;padding:12px 17px;color:#245f48;font-size:13px;background:#fff;text-decoration:none}
.source-more:hover{background:#edf3e9;border-color:#245f48}
.reading-paper{max-width:920px;margin:28px auto 0;padding:46px 62px;background:#fff;border:1px solid var(--line);border-radius:16px}
.reading-header h1{font-size:32px;line-height:1.6;margin:18px 0 20px;letter-spacing:0;color:#213e2e;text-wrap:balance}
.run-timing{margin-top:18px;padding:20px 23px;border:1px solid #d8e2d1;border-radius:10px;background:#f6f8f2;color:#294a37}.timing-heading{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:14px}.timing-heading>span{font-size:12px;color:#71816a}.timing-values{display:flex;gap:55px;flex-wrap:wrap;margin-top:18px}.timing-values>div>span{display:block;font-size:12px;color:#71816a;margin-bottom:7px}.timing-values strong{font-size:23px;font-weight:550;font-variant-numeric:tabular-nums}.run-timing>p{font-size:12px;line-height:1.8;color:#6e7e67;margin:13px 0 0}.run-timing .timing-breakdown{color:#405e43}.run-timing details{margin-top:15px;font-size:12px;color:#5a7056}.run-timing summary{cursor:pointer}.run-timing ol{padding:0;list-style:none;margin:10px 0 0}.run-timing li{display:flex;gap:12px;flex-wrap:wrap;padding:8px 0;border-top:1px solid #e0e7d9;line-height:1.7}.run-timing li>strong{margin-left:auto;font-variant-numeric:tabular-nums}@media(max-width:640px){.run-timing{padding:17px}.timing-values{gap:20px}.timing-values strong{font-size:20px}.run-timing li>strong{margin-left:0}}
.reading-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:12px;color:#778575}
.reading-basis{font-size:12px;line-height:1.9;color:#74806e;margin:24px 0 0;padding:13px 17px;background:#f3f6ef;border-left:3px solid #afc1a3}
.reading-contents{display:flex;gap:12px 24px;flex-wrap:wrap;padding:23px 0;border-bottom:1px solid var(--line);font-size:12px;color:#34634c}
.reading-body section{scroll-margin-top:30px;margin-top:34px}
.reading-body h2{font-size:20px;color:#264c37;margin:0 0 15px;display:flex;align-items:center;gap:14px}
.reading-body h2 span{font-size:12px;color:#92a482;letter-spacing:1px}
.reading-body p{font-size:18px;line-height:2.15;color:#405541;margin:0;text-align:left;overflow-wrap:anywhere}
.reading-body strong{color:#256348;font-weight:650}
.reading-source{margin-top:38px;border-top:1px solid var(--line);padding-top:28px}
.reading-source>.source-name{display:block;margin-top:8px;font-size:19px;overflow-wrap:anywhere}
.reading-source>p{font-size:12px;line-height:1.9;color:#7a8876;overflow-wrap:anywhere}
.reading-source-links{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;color:#74866a}
@media(max-width:640px){.source-actions{width:100%;justify-content:flex-end;gap:8px}.source-more,.source-actions .source-original{font-size:12px;padding:11px 13px;margin:0}.reading-paper{margin-top:20px;padding:27px 23px;border-radius:12px}.reading-header h1{font-size:25px;line-height:1.65}.reading-meta{gap:9px 15px;font-size:11px}.reading-basis{font-size:11px;padding:12px}.reading-contents{gap:12px 18px;font-size:11px}.reading-body h2{font-size:18px}.reading-body p{font-size:17px;line-height:2.05}.reading-source-links{flex-wrap:wrap}}
.research-evidence{border-top:1px solid var(--line);margin-top:25px;padding-top:15px;font-size:14px;line-height:1.9;color:#587056}.research-evidence strong{display:block;color:#2a5b40;margin-bottom:5px}.research-evidence blockquote{margin:12px 0;padding-left:15px;border-left:2px solid #c2d1b7;overflow-wrap:anywhere}#search-coverage{font-size:12px;line-height:1.9}#search-coverage code{white-space:normal;overflow-wrap:anywhere}