:root{--ground:#FAFBFE;--surface:#FFFFFF;--line:#DCE4F2;--ink:#19243A;--muted:#56627A;--faint:#8A95AB;--accent:#3C76DE;--accent-deep:#2A5CC0;--soft:#EEF3FC;--display:"Google Sans Flex","Helvetica Neue",Arial,sans-serif;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--display);font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent-deep)}
.nav{position:sticky;top:0;z-index:5;background:rgba(250,251,254,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .in{max-width:1080px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);text-decoration:none;font-size:18px}
.brand img{width:26px;height:31px}
.nav a.l{color:var(--muted);text-decoration:none;font-weight:500}
.nav .get{margin-left:auto;background:var(--accent);color:#fff;text-decoration:none;padding:9px 16px;border-radius:999px;font-weight:600;font-size:15px;white-space:nowrap}
main{max-width:760px;margin:0 auto;padding:40px 20px 80px}
.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--accent-deep)}
h1{font-size:clamp(32px,5vw,46px);line-height:1.08;letter-spacing:-.025em;margin:10px 0 14px;text-wrap:balance}
.meta{color:var(--faint);font-size:15px;margin-bottom:28px}
.lede{font-size:21px;color:var(--muted);line-height:1.5;margin:0 0 8px}
h2{font-size:28px;letter-spacing:-.02em;line-height:1.2;margin:48px 0 12px;text-wrap:balance}
h3{font-size:21px;margin:30px 0 8px}
p,li{color:#2D3A55}li{margin-bottom:6px}
figure{margin:28px 0}
figure img{width:100%;height:auto;border-radius:16px;box-shadow:0 30px 60px -30px rgba(25,36,58,.45);display:block}
figcaption{font-size:14px;color:var(--faint);margin-top:10px;text-align:center}
kbd{font-family:"SF Mono",Menlo,monospace;font-size:.85em;background:var(--soft);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:1px 6px;white-space:nowrap}
.tbl{overflow-x:auto;margin:20px 0}
table{width:100%;border-collapse:collapse;font-size:15.5px;min-width:560px}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
td strong{color:var(--ink)}
.cta{display:flex;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;margin:40px 0;box-shadow:0 1px 2px rgba(25,36,58,.08)}
.cta img{width:56px;height:56px;flex:none;border-radius:14px}
.cta strong{display:block;font-size:19px;margin-bottom:6px;color:var(--ink)}
.cta p{margin:0 0 12px;color:var(--muted);font-size:16px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:11px 20px;border-radius:999px;font-weight:600}
.tip{border-left:3px solid var(--accent);background:#F3F7FE;padding:12px 16px;border-radius:0 12px 12px 0;color:var(--muted);font-size:16px;margin:18px 0}
details{border-top:1px solid var(--line);padding:12px 0}details:last-of-type{border-bottom:1px solid var(--line)}details summary{font-weight:600;cursor:pointer;color:var(--ink)}details p{margin:8px 0 0}
.cards{display:grid;gap:22px;margin-top:28px}
.card{display:grid;grid-template-columns:1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 18px 40px -24px rgba(25,36,58,.4)}
.card img{width:100%;height:auto;display:block}
.card .b{padding:16px 20px 20px}.card h2{font-size:22px;margin:0 0 6px;line-height:1.25}.card p{margin:0;color:var(--muted);font-size:16px}.card .d{display:block;font-size:13px;color:var(--faint);margin-bottom:8px}
.more{margin-top:56px;padding-top:24px;border-top:1px solid var(--line)}.more h2{font-size:22px;margin:0 0 12px}.more ul{padding-left:18px}
footer{border-top:1px solid var(--line);padding:26px 20px;text-align:center;color:var(--faint);font-size:14px}
footer a{color:var(--muted)}
@media(min-width:720px){.card{grid-template-columns:300px 1fr}.card .b{padding:20px 22px}}
@media(max-width:520px){.nav a.l{display:none}}