:root{color-scheme:dark;--bg:#101313;--panel:#191d1c;--ink:#f1f4ed;--muted:#a6b0a8;--line:#343c37;--accent:#c3f76a}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:0}header,main,footer{max-width:1320px;margin:auto;padding:0 40px}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}a:hover{color:var(--accent)}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.topline{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted);font:10px/1.5 ui-monospace,monospace}.masthead{display:flex;align-items:center;justify-content:space-between;padding:23px 0}.brand{display:flex;gap:16px;align-items:center;font-size:42px;font-weight:750;line-height:1}.brand>span{font:600 14px/1.4 ui-monospace,monospace;color:var(--accent)}.brand-sub{display:block;font:11px/1.5 sans-serif;color:var(--muted);margin-top:4px}.edition{display:flex;flex-direction:column;gap:5px;text-align:right;font-size:11px;color:var(--muted)}.update-label{color:var(--accent)}.navrow{display:flex;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:15px}nav{display:flex;gap:26px;align-items:center}nav button{border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);padding:7px 0;cursor:pointer;font-size:14px;font-weight:600}nav button.active{color:var(--accent);border-color:var(--accent)}nav button:hover{color:white}input{width:250px;min-width:0;background:#202724;border:1px solid #424b44;border-radius:4px;color:var(--ink);padding:9px 14px;font-size:12px}input::placeholder{color:#b5bdb7}
main{padding-top:26px}.lead{margin-bottom:32px}.science{position:relative;min-height:340px;overflow:hidden;background:#232c27}.science img{display:block;width:100%;height:380px;object-fit:cover;object-position:center 37%}.imagecopy{position:absolute;left:28px;bottom:24px;max-width:680px;background:rgba(12,18,17,.89);padding:20px 24px;border-left:3px solid var(--accent)}.kicker{font:11px/1.5 ui-monospace,monospace;color:var(--accent)}.imagecopy h2{font-size:27px;line-height:1.3;margin:10px 0 13px;font-weight:650;overflow-wrap:anywhere}.meta{display:flex;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted)}.meta time{font-family:ui-monospace,monospace}.feature{display:grid;grid-template-columns:155px minmax(0,1fr) auto;align-items:center;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}.feature h2{font-size:16px;font-weight:500;margin:0;line-height:1.6}.feature .kicker{color:#ee9fae;font-size:10px}.feature .meta{font-size:10px;justify-content:flex-end}.image-failed{min-height:220px}.image-failed .imagecopy{position:static;max-width:none;margin:24px}
.content{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:32px;align-items:start}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-title h1{font-size:23px;line-height:1.3;margin:0;font-weight:650}.section-title h1::before{content:'/';color:var(--accent);margin-right:10px}.section-title>span{font:11px ui-monospace,monospace;color:var(--muted)}#list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}article{background:var(--panel);border:1px solid var(--line);border-radius:6px;min-width:0;padding:22px;transition:border-color .18s,background .18s}article:hover{border-color:#839b76;background:#1e2621}.article-body{display:flex;flex-direction:column;height:100%}.article-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.category{font-size:10px;color:var(--accent)}.category-un{color:#ee9fae}.category-nasa{color:#7bdde4}.number{font:11px ui-monospace,monospace;color:#8b988e}article h2{font-size:17px;font-weight:550;line-height:1.7;margin:0 0 23px;overflow-wrap:anywhere}article .meta{margin-top:auto;padding-top:12px;border-top:1px solid #303a33;justify-content:space-between}.empty{grid-column:1/-1;color:var(--muted);padding:40px 0}aside{background:#e9eee5;color:#17241c;padding:24px 22px}.eyebrow{font:9px ui-monospace,monospace;color:#54634f}aside h2{font-size:17px;margin:8px 0 20px}.source{padding:15px 0;border-top:1px solid #c8d1c3;display:grid;grid-template-columns:1fr auto}.source a{font-size:13px;font-weight:650}.source a:hover{color:#376807}.source small{font:10px/1.6 ui-monospace,monospace;color:#5a6958;grid-column:1/-1}.source small.status{grid-column:2;grid-row:1;color:#38601a}.source small.warn{color:#a12c35}.note{margin-top:30px;border-top:2px solid #293e2b;padding-top:14px}.note h2{font-size:14px;margin:0 0 14px}.note p{font-size:11px;color:#53634f;line-height:1.9}#more{display:block;margin:25px auto;background:var(--accent);border:0;padding:10px 34px;border-radius:3px;color:#16260e;font-size:13px;font-weight:600;cursor:pointer}#more:hover{background:#d7ffa1}#notice{background:#402a28;border-left:3px solid #efaa92;padding:12px 16px;font-size:12px;margin:0 0 18px}[hidden]{display:none!important}footer{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding-top:25px;padding-bottom:30px;margin-top:45px;color:var(--muted);font-size:10px}footer strong{color:var(--accent);font-size:12px}
@media(min-width:1600px){.science img{height:420px}}
@media(max-width:950px){header,main,footer{padding-left:24px;padding-right:24px}.content{grid-template-columns:minmax(0,1fr) 220px;gap:22px}article{padding:18px}.feature{grid-template-columns:130px 1fr;gap:16px}.feature .meta{grid-column:2;justify-content:flex-start}.imagecopy{max-width:80%}.science img{height:350px}.imagecopy h2{font-size:24px}article h2{font-size:16px}}
@media(max-width:720px){header,main,footer{padding-left:18px;padding-right:18px}.topline{font-size:8px;gap:10px}.masthead{padding:21px 0}.brand{font-size:34px;gap:12px}.brand>span{font-size:12px}.brand-sub{font-size:10px}.edition{font-size:9px;max-width:130px}.navrow{display:grid;grid-template-columns:1fr;gap:12px}nav{justify-content:space-between;gap:20px}nav button{font-size:13px;padding:4px 0}input{width:100%;padding:10px 13px}main{padding-top:18px}.science{min-height:340px;margin:0 -18px}.science img{height:340px;object-position:50% 35%}.imagecopy{left:18px;right:18px;bottom:18px;max-width:none;padding:15px 17px}.imagecopy h2{font-size:21px;line-height:1.4;margin:9px 0 12px}.imagecopy .meta{font-size:10px}.kicker{font-size:9px}.feature{display:block;padding:18px 0}.feature h2{font-size:14px;margin:8px 0}.feature .meta{font-size:9px}.lead{margin-bottom:25px}.content{grid-template-columns:1fr}.section-title{margin-bottom:15px}.section-title h1{font-size:21px}#list{gap:12px;grid-template-columns:1fr}article{padding:20px}.article-top{margin-bottom:12px}article h2{font-size:17px;margin-bottom:16px}article .meta{font-size:10px}aside{margin-top:4px}.source{padding:16px 0}.note p{font-size:12px}footer{align-items:flex-start;flex-wrap:wrap;gap:12px;margin-top:30px}footer span{order:3;width:100%;font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}article{transition:none}}