:root{--ink:#111827;--muted:#4b5563;--rule:#e5e7eb;--panel:#f9fafb;--accent:#dc2626;--link:#1d4ed8}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:17px}
a{color:var(--link)}a:hover{color:var(--accent)}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.gs-head{border-bottom:1px solid var(--rule);background:#fff}
.gs-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px;padding-top:10px;padding-bottom:10px}
.brand img{height:30px;width:auto;display:block}
@media(min-width:700px){.brand img{height:34px}}
.top{display:flex;gap:14px;white-space:nowrap}
.top a{text-decoration:none;color:var(--ink);font-weight:500;font-size:14px}
@media(min-width:700px){.top{gap:22px}.top a{font-size:15px}}
.top a:hover{color:var(--accent)}
.layout{display:grid;grid-template-columns:1fr;gap:28px;padding:24px 20px 60px}
@media(min-width:980px){.layout{grid-template-columns:270px minmax(0,1fr);gap:48px;padding-top:36px}}
.toc{font-size:15px}
@media(min-width:980px){.toc{position:sticky;top:20px;align-self:start}}
.toc summary{cursor:pointer;font-weight:700;font-size:14px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding:6px 0 10px;list-style:none}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:" +";color:var(--accent)}
.toc[open] summary::after{content:""}
@media(min-width:980px){.toc summary{pointer-events:none}.toc summary::after{content:""}}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--rule)}
.toc li{margin:0}
.toc li a{display:block;padding:7px 12px;color:var(--ink);text-decoration:none;border-left:2px solid transparent;margin-left:-2px}
.toc li a:hover{color:var(--accent)}.toc li.on a{border-left-color:var(--accent);font-weight:600}
.toc .num{display:inline-block;width:24px;color:var(--muted);font-variant-numeric:tabular-nums}
.toc .pdf{display:inline-block;margin-top:16px;padding:10px 14px;border:1px solid var(--ink);color:var(--ink);text-decoration:none;font-weight:600;border-radius:4px}
.toc .pdf:hover{border-color:var(--accent);color:var(--accent)}
.article{min-width:0}
.kicker{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:700;margin:0 0 8px}
h1{font-size:32px;line-height:1.15;margin:0 0 10px;letter-spacing:-.01em}
@media(min-width:700px){h1{font-size:42px}}
.sub{font-size:20px;color:var(--muted);margin:0 0 14px;line-height:1.45}
.meta{color:var(--muted);font-size:15px;margin:0 0 26px;padding-bottom:18px;border-bottom:1px solid var(--rule)}
h2{font-size:26px;margin:40px 0 12px;line-height:1.2}
h3{font-size:20px;margin:30px 0 8px}
p{margin:0 0 16px}.lead{font-size:20px;line-height:1.55;color:#1f2937}
ul,ol{padding-left:22px;margin:0 0 16px}li{margin:0 0 6px}
.tw{overflow-x:auto;margin:0 0 20px;border:1px solid var(--rule);border-radius:6px}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:560px}
th,td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--rule)}
th{background:var(--panel);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.03em}
tr:last-child td{border-bottom:0}
.note{background:var(--panel);border-left:4px solid var(--accent);padding:14px 18px;margin:0 0 20px;border-radius:0 6px 6px 0}
code{background:var(--panel);padding:2px 6px;border-radius:4px;font-size:.92em}
.logos{display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;margin:4px 0 24px}
.svc{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
.svc img.mark{height:36px;width:auto;max-width:170px}.svc img.icon{height:26px;width:26px}
.svc-text{padding:8px 12px;border:1px solid var(--rule);border-radius:4px}
figure.shot{margin:8px 0 28px}figure.shot img{width:100%;height:auto;border:1px solid var(--rule);border-radius:6px;display:block}
.callouts{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:6px;font-size:15px}
@media(min-width:700px){.callouts{grid-template-columns:1fr 1fr}}
.callouts li{display:flex;align-items:flex-start;gap:8px;margin:0}
.callouts .n{display:inline-flex;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:none;margin-top:2px}
.pager{display:flex;justify-content:space-between;gap:16px;margin:48px 0 0;padding-top:20px;border-top:1px solid var(--rule)}
.pager a{text-decoration:none;color:var(--ink);font-weight:600;max-width:48%}.pager a span{display:block;font-size:12px;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}
.pager a:hover{color:var(--accent)}
.chapters{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
@media(min-width:700px){.chapters{grid-template-columns:1fr 1fr}}
.chapters li{margin:0}.chapters li a{display:block;padding:16px 18px;border:1px solid var(--rule);border-radius:6px;text-decoration:none;color:var(--ink);height:100%}
.chapters li a:hover{border-color:var(--accent)}.chapters b{display:block;margin-bottom:4px}.chapters small{color:var(--muted);font-size:14px;line-height:1.45;display:block}
.byline{margin-top:30px;font-weight:600}
footer.gs-foot{border-top:1px solid var(--rule);padding:24px 0 40px;color:var(--muted);font-size:14px}
footer.gs-foot a{color:var(--muted)}
@media print{.gs-head,.toc,.pager,footer.gs-foot{display:none}.layout{display:block;padding:0}}