:root{--ink:#173c38;--muted:#61736f;--teal:#0b8f83;--teal-dark:#0c514b;--navy:#123d63;--paper:#f7faf8;--line:#dce8e3;--gold:#d7a63f;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#f7faf8 0,#fff 36%,#f4f8f6 100%);line-height:1.65}a{color:var(--teal-dark)}img{max-width:100%}.seo-shell{width:min(1120px,calc(100% - 34px));margin:auto}.seo-top{position:sticky;top:0;z-index:20;background:rgba(247,250,248,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.seo-nav{min-height:76px;display:flex;align-items:center;gap:20px}.seo-brand img{width:190px;height:auto;display:block}.seo-nav-links{margin-left:auto;display:flex;align-items:center;gap:20px;font-weight:800;font-size:.92rem}.seo-app-btn,.seo-primary{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:14px;background:linear-gradient(110deg,#123d63,#15729f);color:#fff;padding:12px 18px;font-weight:850;box-shadow:0 8px 22px rgba(18,61,99,.15)}.seo-hero{padding:76px 0 52px}.seo-eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:.76rem;font-weight:900;color:var(--teal)}.seo-hero h1{font-size:clamp(2.5rem,6vw,5rem);line-height:.98;letter-spacing:-.055em;margin:12px 0 22px;max-width:900px}.seo-hero p{font-size:clamp(1.05rem,2vw,1.25rem);max-width:790px;color:var(--muted)}.seo-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.seo-secondary{display:inline-flex;align-items:center;text-decoration:none;padding:11px 17px;border:1px solid var(--line);border-radius:14px;background:#fff;font-weight:800}.seo-section{padding:44px 0}.seo-section h2{font-size:clamp(1.8rem,4vw,2.75rem);letter-spacing:-.035em;line-height:1.1;margin:0 0 16px}.seo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.seo-card{display:flex;flex-direction:column;min-height:240px;padding:24px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.92);box-shadow:0 14px 38px rgba(18,55,50,.06);text-decoration:none;color:inherit}.seo-card small{font-weight:900;letter-spacing:.08em;color:var(--teal);text-transform:uppercase}.seo-card h3{font-size:1.35rem;line-height:1.15;margin:10px 0}.seo-card p{color:var(--muted);margin:0 0 16px}.seo-card strong{margin-top:auto;color:var(--navy)}.seo-article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px;align-items:start}.seo-prose{font-size:1.04rem}.seo-prose h2{margin-top:2.1em}.seo-prose h3{margin-top:1.6em}.seo-prose .math-box,.seo-prose .tip-box{padding:20px 22px;border-radius:18px;margin:24px 0;background:#fff;border:1px solid var(--line)}.seo-prose .math-box{font-size:1.08rem}.seo-prose .tip-box{border-left:5px solid var(--teal)}.seo-steps{counter-reset:step;padding:0;list-style:none}.seo-steps li{counter-increment:step;position:relative;padding:0 0 20px 54px}.seo-steps li:before{content:counter(step);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:#e3f4f0;color:var(--teal-dark);font-weight:900}.seo-aside{position:sticky;top:104px;border:1px solid var(--line);border-radius:20px;background:#fff;padding:20px}.seo-aside h3{margin-top:0}.seo-aside a{display:block;padding:10px 0;border-bottom:1px solid #edf3f0;text-decoration:none;font-weight:750}.seo-breadcrumbs{padding-top:24px;font-size:.85rem;color:var(--muted)}.seo-breadcrumbs a{text-decoration:none}.seo-footer{margin-top:70px;border-top:1px solid var(--line);padding:36px 0 48px;color:var(--muted);font-size:.9rem}.seo-footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.seo-footer strong{color:var(--ink)}.seo-list{padding-left:1.2em}.seo-table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff}.seo-table th,.seo-table td{text-align:left;padding:12px 14px;border:1px solid var(--line)}.seo-table th{background:#edf7f4}.gr-public-guides-link{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:16px 0 4px;padding:12px 15px;border:1px solid #dce6e2;border-radius:15px;background:#f9fbfa;text-decoration:none;color:#31554f;font-size:.8rem;font-weight:800}.gr-public-guides-link strong{color:#126e68}@media(max-width:850px){.seo-grid{grid-template-columns:1fr 1fr}.seo-article{grid-template-columns:1fr}.seo-aside{position:static}.seo-nav-links a:not(.seo-app-btn){display:none}}@media(max-width:600px){.seo-shell{width:min(100% - 24px,1120px)}.seo-nav{min-height:66px}.seo-brand img{width:160px}.seo-grid{grid-template-columns:1fr}.seo-hero{padding:52px 0 34px}.seo-hero h1{font-size:clamp(2.45rem,14vw,4rem)}.seo-card{min-height:0}.seo-app-btn{padding:10px 13px}.seo-prose{font-size:1rem}}

/* V99.53 conversion + discovery */
.seo-anchor{position:relative;top:-90px;visibility:hidden}.seo-convert{margin-top:1.2rem;padding-top:1.1rem;border-top:1px solid rgba(16,50,44,.12)}.seo-convert p{font-size:.92rem;line-height:1.5;margin:.45rem 0 .8rem}.seo-mini-cta{display:inline-block;font-weight:800!important;text-decoration:none!important}.seo-breadcrumbs a{text-decoration:none}.seo-breadcrumbs a:hover{text-decoration:underline}