:root{color-scheme:light;--ink:#202d29;--muted:#728079;--green:#267356;--soft:#eef5f0;--line:#e3e8e4;--bg:#f8faf8;--sidebar:#172622;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none;font-size:16px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}button,input,select{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #5ba582;outline-offset:4px}input{min-width:0}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.5}button,a{touch-action:manipulation}[hidden]{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:fixed;left:230px;top:-100px;z-index:9;padding:8px;background:#fff}.skip-link:focus{top:8px}
.sidebar{width:218px;position:fixed;inset:0 auto 0 0;background:var(--sidebar);color:#bac8c0;display:flex;flex-direction:column;padding:35px 19px 22px;z-index:3;overflow-y:auto}.brand{display:flex;gap:12px;align-items:center;color:#f2f7f3;margin:0 10px 48px}.brand:hover{color:white}.brand-mark{font-family:Georgia,serif;font-size:43px;line-height:1;font-style:italic;letter-spacing:-8px;width:34px}.brand-mark span{color:#a1d4b0}.brand strong{display:block;font-size:20px;font-weight:650;letter-spacing:2px}.brand small{display:block;font-size:12px;letter-spacing:1.5px;color:#a8beb2;margin-top:2px}.nav-label{font-size:12px;letter-spacing:1.5px;margin:0 16px 12px;color:#96aa9e}.main-nav{display:grid;gap:5px;margin-bottom:30px}.main-nav a{padding:11px 13px;display:flex;align-items:center;gap:12px;font-size:14px;border-radius:6px}.main-nav a>span:first-child{width:19px;text-align:center;font-size:19px;line-height:1}.main-nav a:hover{background:#243a30;color:white}.main-nav .is-active{background:#314a3c;color:#dff1e4;box-shadow:inset 3px 0 #a5d8ae}.nav-tag{font-size:12px;padding:0 4px;border:1px solid #55705f;border-radius:3px;margin-left:auto;color:#c1d9bd}.sidebar-bottom{font-size:12px;margin:auto 12px 0;border-top:1px solid #33443b;padding-top:22px}.sidebar-bottom small{display:block;color:#92a99c;margin-top:6px;font-size:12px}.status-dot{width:6px;height:6px;border-radius:50%;display:inline-block;background:#789088;margin-right:5px}.status-dot.auto{background:#77b38d}.workspace{margin-left:218px}.topbar{height:65px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 42px;background:white;font-size:13px;color:var(--muted)}.topbar b{font-weight:500;color:var(--ink)}.breadcrumb{margin:0 12px;color:#bcc4be}.edition-stamp{font-variant-numeric:tabular-nums}.edition-stamp span{margin-left:8px;color:#8b958f}.page-body{max-width:1510px;margin:auto;padding:38px 42px 0}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:30px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--green);font-weight:650;margin-bottom:9px}.page-heading h1{font-size:32px;letter-spacing:-.8px;font-weight:650}.title-dot{color:var(--green);margin-left:2px}.page-heading p:last-child{font-size:14px;color:var(--muted);margin-top:9px}.edition-status{text-align:right;flex-shrink:0}.edition-status>span{display:inline-block;font-size:12px;border:1px solid #d4e2d8;padding:5px 10px;border-radius:4px;color:var(--green);background:#f0f6f1}.edition-status small{display:block;font-size:12px;color:var(--muted);margin-top:9px}.archive-notice{font-size:13px;padding:10px 14px;background:#f8f1e3;color:#846521;border:1px solid #eadfc7;border-radius:4px;margin-bottom:22px}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:34px}.main-column{min-width:0}
.focus-brief{background:#edf4ed;border:1px solid #dae6da;border-radius:8px;padding:22px 25px 18px}.focus-top,.focus-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px}.focus-label{color:#327251;font-size:14px;font-weight:650}.focus-caption{font-size:12px;letter-spacing:1px;color:#638369}.focus-brief h2{font-size:21px;font-weight:630;margin:15px 0 10px;letter-spacing:-.3px}.focus-brief>p{color:#58695e;font-size:16px;line-height:1.85}.focus-bottom{border-top:1px solid #d8e4d8;margin-top:18px;padding-top:13px;font-size:12px;color:#65786a}.focus-bottom a{color:#276246;font-size:13px;flex-shrink:0}.feed-heading{margin:29px 0 17px;display:flex;align-items:center;justify-content:space-between;gap:12px}.feed-heading h2{font-size:19px;letter-spacing:.2px}.feed-heading h2>span{font-size:12px;font-weight:500;color:#75877b;background:#edf1ed;border-radius:4px;padding:2px 6px;margin-left:6px;vertical-align:middle}.small-muted{font-size:12px;color:#78867b}.topic-tabs{display:flex;gap:24px;border-bottom:1px solid var(--line);overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.topic-tab{border:0;border-bottom:2px solid transparent;background:transparent;padding:0 0 12px;color:#738177;font-size:14px;flex-shrink:0}.topic-tab.is-active{color:var(--green);border-color:var(--green);font-weight:650}.feed-toolbar{display:flex;gap:10px;margin:18px 0 0}.search-box{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:5px;background:white;padding:7px 12px;flex:1;min-width:0;color:#7c8981}.search-box>span[aria-hidden]{font-size:22px;line-height:1}.search-box input{background:transparent;width:100%;border:0;outline:0;font-size:14px;padding:2px 0;color:var(--ink)}.search-box:focus-within{outline:2px solid #72a789;outline-offset:2px}.search-box kbd{font-size:12px;border:1px solid #e4e9e5;white-space:nowrap;padding:0 4px;color:#7c8e80}.source-select select{height:100%;border:1px solid var(--line);background:white;border-radius:5px;padding:0 11px;font-size:14px;color:#66756b;max-width:145px}.news-list{margin-top:8px}.news-card{padding:24px 0 25px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:31px minmax(0,1fr);gap:10px}.story-number{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;color:#8e9d92;padding-top:1px;font-variant-numeric:tabular-nums}.story-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:12px;color:#7e8a82;margin-bottom:9px}.story-category{color:#3c7458;font-weight:500}.meta-dot{color:#bac4bd}.verification-badge{font-size:12px;color:#647c6c;border:1px solid #dce5df;border-radius:3px;padding:0 5px}.verification-badge.boundary{color:#896a24;border-color:#e8ddc4}.verification-badge.signal{color:#a45846;border-color:#e7ccc4}.publication-badge{font-size:12px;background:#f0edf7;color:#7d6794;padding:1px 5px;border-radius:3px}.news-card h3{font-size:18px;font-weight:600;letter-spacing:-.25px;margin-bottom:9px;overflow-wrap:anywhere}.story-title{background:none;padding:0;border:0;display:block;text-align:left;font:inherit;line-height:inherit}.story-title:hover{color:var(--green)}.story-summary{font-size:16px;line-height:1.9;color:#627068}.story-why{margin-top:12px;font-size:14px;color:#748278;line-height:1.8;padding-left:10px;border-left:2px solid #d6e4d9}.story-why b{font-weight:500;color:#4e6f5a}.story-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:15px;font-size:12px}.keyword-row{display:flex;gap:10px;flex-wrap:wrap;color:#738378;font-size:12px}.story-actions{display:flex;gap:15px;flex-shrink:0;color:#687d6c}.detail-button{border:0;padding:0;background:none;font-size:13px;color:inherit}.story-detail{font-size:14px;color:#66776c;margin-top:12px}.story-detail summary{cursor:pointer;color:var(--green);font-size:13px}.story-detail p{padding-top:10px}.empty-state{padding:52px 20px;text-align:center;background:#f0f4f0;margin-top:20px;border-radius:6px}.empty-state b{font-size:17px}.empty-state p{font-size:14px;color:var(--muted);margin:10px 0 18px}.empty-state button{font-size:14px;background:var(--green);color:white;border:0;border-radius:4px;padding:8px 16px}
.right-rail{border-left:1px solid var(--line);padding-left:28px}.rail-section{padding:0 0 25px;margin-bottom:25px;border-bottom:1px solid var(--line);scroll-margin-top:25px}.rail-section:last-child{border:0}.rail-section h2{font-size:16px;font-weight:600;margin-bottom:10px}.rail-section>p:not(.eyebrow){font-size:14px;color:#718075;line-height:1.95}.editorial-note>p:not(.eyebrow){color:#637267}.window-note{margin-top:20px;padding-top:15px;border-top:1px dashed var(--line);font-size:12px;color:#7d8b81}.window-note b{display:block;font-weight:400;color:#65766b;font-size:12px;margin-top:3px;line-height:1.8}.section-number{font-family:ui-monospace,monospace;font-size:12px;letter-spacing:1px;color:#778c7e;margin-bottom:12px}.focus-topics{margin:17px 0;padding:0;list-style:none;font-size:14px;color:#5c7664;display:grid;gap:8px}.focus-topics li:before{content:'↗';font-size:12px;margin-right:10px;color:#779880}.science-note{background:#edf2ed;padding:12px;border-radius:4px;font-size:13px;color:#48654f;line-height:1.9}.science-note span{font-size:12px;color:#718577}.rail-heading{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:12px}.rail-heading h2{margin:0}.rail-heading>span,.rail-heading>a{font-size:12px;color:#758779}.archive-links{display:flex;flex-wrap:wrap;gap:8px;max-height:240px;overflow:auto}.archive-links a{border:1px solid var(--line);background:white;border-radius:4px;padding:5px 10px;font-size:12px;color:#78877c}.archive-links a.is-current{border-color:#bdd3c2;background:#edf4ef;color:var(--green)}.source-names{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0}.source-names span{font-size:12px;color:#6e8273;background:#edf1ed;border-radius:3px;padding:3px 6px}.sources-note>small{font-size:12px;color:#7b8b7e}.site-footer{display:flex;justify-content:space-between;gap:20px;color:#7d8c82;font-size:12px;border-top:1px solid var(--line);padding:23px 0;margin-top:42px}.visit-counter{font-size:12px;position:relative;text-align:right;margin:0 42px 15px;color:#7a8b80}.visit-counter strong{font-weight:500}dialog{border:1px solid #d7e2d9;border-radius:10px;max-width:740px;width:calc(100% - 32px);padding:38px;max-height:85vh;color:var(--ink);background:var(--bg);box-shadow:0 25px 100px #14261f33}dialog::backdrop{background:#162a226b;backdrop-filter:blur(3px)}.dialog-close{position:absolute;top:10px;right:15px;border:0;background:transparent;font-size:28px;color:#819387}.dialog-kicker{font-size:14px;color:var(--green);margin-bottom:14px}dialog h2{font-size:25px;margin-right:10px}.dialog-original{font-size:13px;color:#76877b;margin:12px 0}.dialog-body{white-space:pre-line;font-size:16px;line-height:1.95;margin-top:20px}.dialog-why{border-left:3px solid #7da88a;background:#ecf2ed;padding:15px;margin:20px 0;font-size:14px}.dialog-source-link{display:inline-block;color:white;background:var(--green);padding:9px 18px;border-radius:4px;margin-top:24px;font-size:14px}.dialog-source-link:hover{color:white;background:#205e47}.noscript-note{font-size:13px;color:var(--muted);padding:18px 0}
.catalog-intro{font-size:16px;color:var(--muted);max-width:740px}.source-hero-stats{display:flex;gap:40px;margin:28px 0}.source-hero-stats strong{display:block;font-size:26px;color:var(--green);font-weight:550}.source-hero-stats span{font-size:12px;color:var(--muted)}.catalog-toolbar{display:flex;gap:20px;align-items:center;margin:25px 0;flex-wrap:wrap}.catalog-toolbar .search-box{max-width:390px}.catalog-type-filters{display:flex;gap:8px;flex-wrap:wrap}.catalog-type-filter{border:1px solid var(--line);padding:5px 11px;background:white;border-radius:4px;font-size:14px;color:var(--muted)}.catalog-type-filter.is-active{color:var(--green);background:var(--soft);border-color:#bcd2c1}.catalog-legend{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;line-height:1.9}.catalog-legend>div{display:inline-block;margin-right:20px}.catalog-legend p{margin-top:8px}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin-top:25px}.source-card{padding:20px;border:1px solid var(--line);background:white;border-radius:6px;display:flex;flex-direction:column;min-width:0}.source-card-head{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:12px}.source-card h2{font-size:17px;font-weight:600}.source-card-meta{font-size:12px;color:#75897c;margin:7px 0}.source-card-topics{display:flex;gap:7px;flex-wrap:wrap;font-size:12px;color:#698771;margin:5px 0}.source-card-note{font-size:14px;color:#718578;line-height:1.8;margin:10px 0 18px}.source-card-links{display:flex;gap:18px;color:var(--green);font-size:13px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
@media(min-width:1550px){.page-body{padding-top:44px}.reading-layout{grid-template-columns:minmax(0,1fr) 290px;gap:44px}.page-heading h1{font-size:36px}.focus-brief{padding:26px 30px}.news-card{padding-top:28px;padding-bottom:28px}}
@media(max-width:1190px){.sidebar{width:192px;padding-left:13px;padding-right:13px}.workspace{margin-left:192px}.page-body{padding:28px 27px 0}.topbar{padding:0 27px}.reading-layout{grid-template-columns:minmax(0,1fr) 225px;gap:24px}.right-rail{padding-left:22px}.brand{margin-left:7px}.brand strong{font-size:18px}.brand small{font-size:12px;letter-spacing:0}.focus-caption{display:none}.topic-tabs{gap:20px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1000px){.right-rail{display:grid;grid-template-columns:1fr 1fr;gap:24px;border-left:0;padding-left:0}.reading-layout{grid-template-columns:minmax(0,1fr)}.rail-section{margin:0}.page-heading h1{font-size:29px}.page-heading{align-items:flex-start}.edition-stamp span{display:none}.small-muted{display:none}}
@media(max-width:720px){.sidebar{position:static;width:100%;padding:18px 18px 0;display:block}.brand{margin:0 0 19px;gap:12px}.brand-mark{font-size:34px}.brand strong{font-size:18px}.nav-label,.secondary-nav,.sidebar-bottom{display:none}.main-nav{display:flex;overflow-x:auto;gap:8px;margin:0;white-space:nowrap;padding-bottom:13px}.main-nav a{font-size:14px;padding:7px 11px;gap:6px}.main-nav a>span:first-child{font-size:15px;width:auto}.nav-tag{display:none}.workspace{margin:0}.topbar{height:45px;padding:0 20px;font-size:12px}.page-body{padding:26px 20px 0}.page-heading{display:block;margin-bottom:22px}.page-heading h1{font-size:29px}.page-heading p:last-child{font-size:14px;line-height:1.9}.edition-status{text-align:left;display:flex;align-items:center;gap:12px;margin-top:17px;flex-wrap:wrap}.edition-status small{margin:0}.edition-status>span{padding:3px 7px}.focus-brief{padding:19px 18px 15px}.focus-brief h2{font-size:19px}.focus-bottom{align-items:flex-start;flex-direction:column;gap:6px}.feed-heading{margin-top:25px}.topic-tabs{gap:22px}.search-box kbd{display:none}.source-select select{max-width:112px;padding:0 7px}.news-card{grid-template-columns:22px minmax(0,1fr);gap:7px;padding:23px 0}.news-card h3{font-size:18px}.story-meta{gap:6px}.story-footer{align-items:flex-start;flex-wrap:wrap}.keyword-row{gap:7px}.story-actions{gap:15px}.right-rail{grid-template-columns:1fr;margin-top:14px}.rail-section{padding-bottom:24px}.source-names{max-width:400px}.site-footer{flex-direction:column;gap:5px;margin-top:30px}.visit-counter{margin-right:20px}.catalog-grid{grid-template-columns:1fr}.catalog-toolbar{gap:13px}.catalog-toolbar .search-box{flex-basis:100%;max-width:none}.source-hero-stats{gap:30px}dialog{padding:30px 23px}dialog h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* Reader navigation and source illustrations */
.archive-notice{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.archive-notice a,.latest-link{color:var(--green);font-size:14px;font-weight:600}
.edition-stamp .latest-link{margin-left:16px}
.archive-links{max-height:none;overflow:visible}
.story-content{min-width:0;display:flow-root}
.story-thumbnail{float:right;width:180px;max-width:40%;margin:4px 0 16px 24px}
.story-thumbnail a{display:block}
.story-thumbnail img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#e8eee9;border:1px solid var(--line);border-radius:7px}
.story-thumbnail figcaption{font-size:12px;line-height:1.5;color:#66756c;margin-top:6px;overflow-wrap:anywhere}
.story-footer{clear:both}
.story-dialog .story-thumbnail{float:none;width:100%;max-width:560px;margin:20px 0}
.story-dialog .story-thumbnail img{max-height:320px}
.archive-body{max-width:1150px}
.calendar-panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;margin-top:12px}
.calendar-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.calendar-heading h2{font-size:24px;font-weight:650}
.calendar-heading p{color:var(--muted);font-size:14px;margin-top:5px}
.month-picker{display:grid;gap:5px;font-size:12px;color:var(--muted)}
.month-picker input{border:1px solid #cbd7ce;border-radius:5px;background:#fff;color:var(--ink);padding:7px 10px;font-size:16px;max-width:100%}
.month-navigation{display:flex;justify-content:space-between;gap:16px;margin:25px 0 16px;font-size:14px}
.month-step{color:var(--green);padding:6px 0}
.month-step.is-disabled{color:#9ba69f}
.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.calendar-weekdays{padding:12px 0;background:var(--soft);border-radius:5px 5px 0 0;text-align:center;color:#546b5b;font-size:13px}
.calendar-day,.calendar-blank{min-height:106px;padding:12px;border-bottom:1px solid var(--line);position:relative;min-width:0}
.calendar-day span{font-size:18px;font-variant-numeric:tabular-nums}
.calendar-day small{display:block;font-size:12px;color:var(--green);margin-top:5px}
.calendar-day i{font-style:normal;position:absolute;right:12px;top:14px;color:var(--green);font-size:13px}
.calendar-day.has-edition{background:#f7faf6;border-radius:4px;box-shadow:inset 0 0 0 3px white}
.calendar-day.has-edition:hover{background:#e4efdf}
.calendar-day.is-empty{color:#9aa59d}
.calendar-blank{background:#fcfdfb}
@media(max-width:1000px){.story-thumbnail{width:170px}}
@media(max-width:600px){
 .story-thumbnail{width:125px;max-width:40%;margin-left:16px}
 .story-dialog .story-thumbnail{width:100%;max-width:100%;margin-left:0}
 .calendar-panel{padding:14px 10px}
 .calendar-heading{padding:0 4px;gap:16px}
 .calendar-heading h2{font-size:21px}
 .calendar-day,.calendar-blank{min-height:78px;padding:10px 4px}
 .calendar-day span{font-size:16px}
 .calendar-day small{font-size:12px;line-height:1.4}
 .calendar-day i{display:none}
 .edition-stamp .latest-link{margin-left:8px}
}
@media(max-width:380px){.story-thumbnail{float:none;width:100%;max-width:100%;margin:10px 0 16px}}