:root{color-scheme:light;--paper:#f7f6f2;--ink:#193630;--muted:#607269;--line:#d9dfd7;--accent:#c54938}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-underline-offset:4px}
a:hover{color:var(--accent)}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,video:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.skip-link{position:fixed;left:16px;top:-80px;z-index:2;background:var(--ink);color:white;padding:8px 16px}
.skip-link:focus{top:12px}
.site-header,main{width:min(1160px,calc(100% - 80px));margin:auto}
.site-header{display:flex;align-items:center;justify-content:space-between;min-height:90px;border-bottom:1px solid var(--line)}
.wordmark{font-size:19px;font-weight:800;letter-spacing:.04em}
.wordmark span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.12em;margin-left:5px}
.header-meta{color:var(--muted);font-size:12px}
.hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;padding:54px 0 46px}
.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:650;color:var(--muted);margin:0 0 14px}
h1{font-size:clamp(34px,3.4vw,46px);line-height:1.3;letter-spacing:-.035em;margin:0 0 22px;font-weight:750}
h1 em{color:var(--accent);font-style:normal}
.lead{max-width:420px;font-size:15px;line-height:1.95;margin:0}
.summary-action{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px;min-height:38px}
.summary-action button{border:0;border-bottom:1px solid var(--ink);border-radius:0;background:transparent;padding:5px 0;color:var(--ink);cursor:pointer;font-family:inherit;font-size:13px;line-height:1.8;font-weight:600}
.summary-action button span{margin-left:8px}
#copy-status{color:var(--muted);font-size:12px}
.sample{margin:0;min-width:0}
.sample video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#162b25;border-radius:8px}
.sample-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0 6px;font-size:12px;font-weight:600}
.sample-meta a{white-space:nowrap}
figcaption{color:var(--muted);font-size:12px;line-height:1.85}
h2{font-size:23px;font-weight:700;line-height:1.4;margin:0 0 20px;letter-spacing:-.02em}
.findings{border-top:1px solid var(--line);padding:30px 0 34px}
.finding-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.finding-grid article{padding:23px 24px;background:#fff;border:1px solid var(--line);border-radius:8px}
.card-number{color:var(--accent);font-size:12px;font-weight:650}
h3{font-size:17px;line-height:1.5;margin:7px 0 11px}
.finding-grid p{font-size:14px;margin:0;line-height:1.9}
.closing-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;border-top:1px solid var(--line);padding:35px 0}
.closing-grid .eyebrow{margin-bottom:7px}
.closing-grid h2{margin-bottom:16px}
.next-list{margin:0;padding-left:22px;font-size:14px}
.next-list li{padding-left:4px;margin:0 0 10px}
.next-list li::marker{color:var(--accent);font-weight:700}
.entry p:not(.eyebrow){font-size:14px;margin:0 0 12px;line-height:1.9}
code{font:inherit;overflow-wrap:anywhere}
.muted{color:var(--muted)}
.entry .muted{font-size:12px!important}
footer{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid var(--line);padding:22px 0 30px;color:var(--muted);font-size:11px}
.source-links{display:flex;gap:22px;flex-wrap:wrap}
footer p{margin:0}
@media(max-width:900px){.site-header,main{width:calc(100% - 48px)}.hero{gap:28px}.finding-grid{gap:12px}.finding-grid article{padding:19px 18px}.closing-grid{gap:35px}}
@media(max-width:680px){.site-header,main{width:calc(100% - 36px)}.site-header{min-height:68px}.wordmark{font-size:17px}.wordmark span{font-size:9px}.hero{grid-template-columns:1fr;gap:28px;padding:26px 0 30px}.hero .sample{grid-row:1}.hero-copy h1{font-size:32px;line-height:1.28;margin-bottom:17px}.lead{max-width:none;font-size:14px}.summary-action{margin-top:16px}.sample-meta{font-size:11px;gap:8px}.findings{padding:26px 0}.finding-grid{grid-template-columns:1fr;gap:12px}.finding-grid article{padding:18px 20px}.card-number{float:right}.finding-grid h3{margin:0 0 7px;padding-right:30px}.finding-grid p{font-size:13px}h2{font-size:21px;margin-bottom:16px}.closing-grid{grid-template-columns:1fr;gap:26px;padding:28px 0}.entry{border-top:1px solid var(--line);padding-top:25px}footer{display:block;padding:20px 0 26px}.source-links{margin-bottom:9px;gap:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:white;font-size:12px}.site-header,main{width:100%}.hero{padding:25px 0;gap:25px}h1{font-size:28px}.summary-action,.skip-link{display:none}.finding-grid article{break-inside:avoid}.closing-grid{gap:30px}.sample-meta{font-size:10px}footer{padding-bottom:0}}