/* FreeAI Radar: newsletter / changelog look. One accent (ink red-brown) + status colors. */
:root{--bg:#fbf9f4;--paper:#fff;--fg:#151515;--muted:#5c5a55;--line:#e3dfd5;--line2:#cfc9bb;--accent:#9a3412;
--ok:#15803d;--ok-bg:#e8f5ec;--warn:#a16207;--warn-bg:#fdf3dc;--bad:#b91c1c;--bad-bg:#fbe9e7;--gray-bg:#efece5;
--serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Noto Serif SC","Songti SC","SimSun",serif;
--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 var(--sans);color:var(--fg);background:var(--bg)}
a{color:var(--accent);text-underline-offset:2px}a:hover{text-decoration-thickness:2px}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.2;color:var(--fg)}
h1{font-size:clamp(1.75rem,3.6vw,2.5rem);margin:.25em 0 .35em;letter-spacing:-.01em}
h2{font-size:1.45rem;margin:1.8em 0 .5em;padding-top:.5em;border-top:2px solid var(--fg)}
h3{font-size:1.12rem;margin:.2em 0 .3em}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
.top{background:var(--paper);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:10px 18px;min-height:58px;flex-wrap:wrap;padding:8px 20px}
.logo{font-family:var(--serif);font-weight:700;font-size:1.3rem;color:var(--fg);text-decoration:none;letter-spacing:-.01em}
.logo .dot{display:inline-block;width:.55em;height:.55em;border-radius:50%;background:var(--accent);margin-right:.35em;vertical-align:.08em}
.nav{display:flex;gap:2px 14px;flex-wrap:wrap;align-items:center;font-size:.93rem}
.nav a{color:var(--fg);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current]{border-bottom-color:var(--accent)}
.nav .lang{border:1px solid var(--line2);border-radius:4px;padding:2px 8px;font-size:.85rem}
.notice{background:var(--fg);color:#f3f1ea;font-size:.82rem;padding:6px 0}.notice .wrap{display:flex;gap:6px 18px;flex-wrap:wrap}
.notice b{color:#fff}
.hero{padding:30px 0 6px;border-bottom:1px solid var(--line);background:var(--paper)}.hero.small{padding:24px 0 10px}
.eyebrow{font:600 .82rem/1.4 var(--sans);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0}
.eyebrow time,.eyebrow b{color:var(--fg)}
.lead{font-size:1.08rem;color:#2b2a27;max-width:780px;margin:.3em 0 .8em}
.disc{font-size:.88rem;color:var(--muted);border-left:3px solid var(--accent);padding:2px 0 2px 10px;margin:10px 0 14px;max-width:780px}
.small{font-size:.88rem}.muted{color:var(--muted)}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:6px}.crumbs a{color:var(--muted)}.crumbs span{margin:0 6px}
.prose{padding-bottom:40px}.prose p,.prose li{max-width:780px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:16px 18px;margin:16px 0}
.card h2:first-child,.card h3:first-child{margin-top:0;border-top:0;padding-top:0}
.facts dl{display:grid;grid-template-columns:minmax(120px,190px) 1fr;gap:0;margin:0;font-size:.95rem}
.facts dt,.facts dd{padding:7px 0;border-bottom:1px solid var(--line);margin:0}.facts dt{font-weight:650;padding-right:12px}
.facts dd{color:#2b2a27}.facts dl>*:nth-last-child(-n+2){border-bottom:0}
.tblwrap{overflow-x:auto;border:1px solid var(--line2);border-radius:4px;background:var(--paper);margin:12px 0}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th{text-align:left;font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:#f6f3ec;border-bottom:1px solid var(--line2);padding:8px 10px;white-space:nowrap}
.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}.tbl tbody tr:hover{background:#fcfbf7}
.tbl td.date,.tbl td.nowrap{white-space:nowrap}.tbl a{font-weight:600}
time,.date{font-variant-numeric:tabular-nums}
.badge{display:inline-block;font:700 .72rem/1.5 var(--sans);text-transform:uppercase;letter-spacing:.04em;padding:1px 7px;border-radius:3px;white-space:nowrap;vertical-align:.1em}
.b-ok{background:var(--ok-bg);color:var(--ok)}.b-warn{background:var(--warn-bg);color:var(--warn)}
.b-bad{background:var(--bad-bg);color:var(--bad)}.b-end{background:var(--gray-bg);color:#6b675e;text-decoration:line-through}
.b-type{background:transparent;color:var(--muted);border:1px solid var(--line2);font-weight:600}
html[lang="zh-Hans"] .badge{letter-spacing:0;text-transform:none}
.entry{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--ok);border-radius:3px;padding:14px 16px;margin:14px 0}
.entry.s-warn{border-left-color:var(--warn)}.entry.s-bad{border-left-color:var(--bad)}.entry.s-end{border-left-color:#a8a29e}
.entry h3{margin:6px 0 8px}.entry .meta{font-size:.85rem;color:var(--muted);margin:0}
.ended-banner{border:1px solid var(--bad);background:var(--bad-bg);color:#5b1010;padding:10px 14px;border-radius:4px;margin:16px 0}
.cn-note{border:1px solid var(--line2);background:#fffaf0;padding:10px 14px;border-radius:4px;margin:14px 0}
.steps{padding-left:1.4em}.steps li{margin:.35em 0}
.list-plain{padding-left:1.1em}.list-plain li{margin:.4em 0}
details.faq{border-bottom:1px solid var(--line);padding:10px 0}details.faq summary{cursor:pointer;font-weight:650}details.faq p{margin:.5em 0 0;color:#2b2a27}
.links{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0 18px;padding:0;list-style:none}
.links li{border-top:1px solid var(--line);padding:8px 0}.links a{font-weight:600}.links span{display:block;font-size:.85rem;color:var(--muted)}
.foot{border-top:2px solid var(--fg);margin-top:40px;padding:24px 0 30px;background:var(--paper);font-size:.9rem}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}.fcols a{display:block;color:var(--fg);text-decoration:none;margin:3px 0}.fcols a:hover{color:var(--accent)}
.disclaimer{color:var(--muted);font-size:.82rem;margin-top:18px}
@media(max-width:720px){.fcols{grid-template-columns:1fr}.facts dl{grid-template-columns:1fr}.facts dt{border-bottom:0;padding-bottom:0}
.tbl .hide-m{display:none}h2{font-size:1.25rem}}
.tbl td.dl{font-weight:650;min-width:7.5em}.tbl td.wf{min-width:16em;color:#3a3935}.tbl td:first-child{min-width:8em}