:root{color-scheme:light;--ink:#17222e;--muted:#596575;--line:#e2e7ee;--accent:#247665;--paper:#fff;--wash:#f3f5f9;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:108px}
body{margin:0}
a{color:inherit;text-decoration:none}
button,select{font:inherit}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{text-wrap:balance}
a,summary,select{-webkit-tap-highlight-color:transparent}
a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #438779;outline-offset:5px}
a,summary{touch-action:manipulation}
[hidden]{display:none!important}
.guide-wrap{width:min(1160px,calc(100% - 96px));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;z-index:20;top:-100px;left:16px;background:var(--ink);color:white;padding:14px 20px;border-radius:8px}
.skip-link:focus{top:12px}

.guide-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{min-height:84px;display:flex;align-items:center;gap:30px}
.guide-brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:720;letter-spacing:-.04em;margin-right:auto;white-space:nowrap}
.guide-brand img{border-radius:10px}
.header-inner nav{display:flex;gap:25px;font-size:14px}
.header-inner nav a{display:flex;align-items:center;min-height:44px;color:var(--muted)}
.header-inner nav a:hover{color:var(--accent)}
.guide-language{display:flex;align-items:center;gap:6px}
.guide-language select{border:0;background:transparent;color:var(--muted);min-height:44px;max-width:150px;padding:6px 2px;cursor:pointer;font-size:13px}
.guide-download{padding:12px 16px;background:var(--ink);color:white;border-radius:9px;font-size:13px;font-weight:600;min-height:44px;white-space:nowrap}
.guide-download:hover{background:var(--accent)}

.eyebrow{font-size:11px;font-weight:700;line-height:1.6;letter-spacing:.12em;color:var(--accent)}
.hub-intro{padding-top:88px;padding-bottom:64px}
.hub-intro h1{font-size:clamp(42px,5.1vw,66px);font-weight:730;letter-spacing:-.055em;line-height:1.16;max-width:850px;margin:20px 0 24px}
.lead{font-size:18px;line-height:1.8;color:var(--muted);max-width:670px}
.hub-intro .text-link{margin-top:26px}
.text-link{display:inline-flex;gap:26px;align-items:center;min-height:44px;color:var(--accent);font-weight:650;font-size:14px}
.text-link:hover{text-decoration:underline;text-underline-offset:5px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:28px}
.section-heading h2{font-size:27px;letter-spacing:-.035em;line-height:1.3}
.section-heading p{font-size:14px;color:var(--muted);line-height:1.7;max-width:380px}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.guide-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .2s,box-shadow .2s}
.guide-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px #17222e0c}
.card-art{position:relative;height:320px;padding:26px 18px;background:#eef2fa;display:flex;align-items:center;justify-content:center}
.card-art picture{height:100%;width:100%;display:flex;align-items:center;justify-content:center}
.card-art img{width:auto;height:auto;max-height:100%;max-width:100%;object-fit:contain;border-radius:8px}
.card-number{position:absolute;left:18px;top:16px;font-size:11px;color:#69768b;background:#fff9;border:1px solid #fff;border-radius:50%;width:30px;height:30px;display:grid;place-items:center}
.card-copy{display:flex;flex:1;flex-direction:column;padding:28px 26px 22px}
.card-copy h3{font-size:24px;letter-spacing:-.035em;line-height:1.3;margin:12px 0 16px}
.card-copy>p:not(.eyebrow){font-size:14px;line-height:1.85;color:var(--muted)}
.card-action{display:flex;gap:8px;align-items:center;font-size:13px;font-weight:650;padding-top:30px;margin-top:auto;color:var(--accent);min-height:44px}
.card-action small{font-size:11px;font-weight:400;color:var(--muted);margin-left:auto;white-space:nowrap}
.hub-guides{padding-bottom:76px}
.platform-note{font-size:12px;line-height:1.8;color:#687386;max-width:900px;margin-top:26px}

.breadcrumbs{display:flex;align-items:center;gap:12px;padding-top:30px;font-size:12px;color:var(--muted)}
.breadcrumbs a{min-height:44px;display:flex;align-items:center}
.breadcrumbs a:hover{color:var(--accent)}
.article-intro{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:70px;padding:38px 0 68px;border-bottom:1px solid var(--line)}
.article-title h1{font-size:clamp(38px,4.2vw,54px);line-height:1.2;letter-spacing:-.05em;font-weight:730;margin:22px 0}
.article-title .lead{font-size:17px}
.article-title .platform-note{margin-top:28px;max-width:490px}
.article-art{background:#eef2fa;border-radius:22px;min-width:0;padding:24px 24px 18px}
.article-art picture{display:flex;align-items:center;justify-content:center;height:345px}
.article-art img{width:auto;height:auto;max-height:100%;max-width:100%;object-fit:contain;border-radius:8px}
.article-art figcaption{font-size:11px;text-align:center;line-height:1.7;color:var(--muted);margin-top:14px}
.article-layout{display:grid;grid-template-columns:230px minmax(0,740px);gap:68px;padding-top:64px}
.article-toc nav{position:sticky;top:128px}
.article-toc p{font-size:12px;font-weight:700;letter-spacing:.03em;margin:0 0 18px}
.article-toc a{display:flex;gap:12px;min-height:44px;font-size:13px;line-height:1.6;align-items:baseline;padding:10px 0;color:var(--muted)}
.article-toc a span{font-size:10px;color:#7b8898}
.article-toc a:hover{color:var(--accent)}
.article-body section{padding-bottom:58px;scroll-margin-top:110px}
.section-index{font-size:11px;letter-spacing:.1em;color:var(--accent);margin-bottom:10px}
.article-body h2{font-size:29px;line-height:1.3;letter-spacing:-.04em;margin-bottom:24px}
.article-body p,.prepare-list{font-size:16px;line-height:1.9;color:#4b5869}
.prepare-list{padding-left:20px;margin:22px 0 0}
.prepare-list li{padding-left:8px;margin-bottom:10px}
.prepare-list li::marker{color:var(--accent)}
.guide-steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.guide-steps li{display:flex;gap:22px;padding:27px 0;border-bottom:1px solid var(--line)}
.step-number{flex-shrink:0;width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:#edf4f2;color:var(--accent);font-size:11px;font-weight:650;margin-top:2px}
.guide-steps h3{font-size:19px;line-height:1.5;letter-spacing:-.02em;margin-bottom:10px}
.guide-steps p{font-size:15px}
.guide-problems{border-top:1px solid var(--line)}
.guide-problems details{border-bottom:1px solid var(--line);padding:0}
.guide-problems summary{font-size:16px;font-weight:600;line-height:1.6;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:64px;padding:17px 0;cursor:pointer}
.guide-problems summary::-webkit-details-marker{display:none}
.guide-problems summary::after{content:'+';font-size:20px;color:var(--accent);font-weight:400}
.guide-problems details[open] summary::after{content:'−'}
.guide-problems details p{font-size:15px;padding:0 24px 22px 0}
.guide-tip{background:#f0f5f4;border-radius:14px;padding:26px 28px;display:flex;gap:20px;margin:0 0 70px}
.tip-symbol{font-size:21px;color:var(--accent)}
.guide-tip h3{font-size:14px;line-height:1.6;margin-bottom:10px}
.guide-tip p{font-size:14px}
.related-guides{border-top:1px solid var(--line);padding:48px 0 70px}
.related-guides h2{font-size:26px;letter-spacing:-.035em;margin-bottom:24px}
.related-guides>div{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.related-guides a{border:1px solid var(--line);border-radius:14px;padding:24px;display:grid;grid-template-columns:1fr auto;gap:12px}
.related-guides .eyebrow{grid-column:1/-1}
.related-guides strong{font-size:19px;line-height:1.5;letter-spacing:-.02em}
.related-guides a>span:last-child{color:var(--accent);font-size:20px}
.related-guides a:hover{border-color:var(--accent)}

.guide-cta{background:var(--wash);border-block:1px solid var(--line);padding:64px 0;text-align:center}
.guide-cta h2{font-size:36px;line-height:1.3;letter-spacing:-.04em;margin:16px 0}
.guide-cta>div>p:not(.eyebrow){font-size:15px;line-height:1.9;color:var(--muted)}
.store-links{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:28px 0 20px}
.store-links a{display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid #d6dee7;background:white;border-radius:10px;padding:14px 20px;min-height:50px;min-width:158px;font-size:14px;font-weight:650}
.store-links a:hover{border-color:var(--accent);color:var(--accent)}
.guide-cta .fine-print{font-size:11px!important;line-height:1.9!important}
.guide-footer{padding-block:30px}
.footer-main{display:flex;justify-content:space-between;gap:25px;font-size:11px;color:var(--muted);align-items:center}
.footer-main nav{display:flex;gap:22px}
.footer-main a{display:flex;align-items:center;min-height:44px}
.language-links{display:flex;gap:22px;flex-wrap:wrap;margin-top:12px;font-size:11px;color:var(--muted)}
.language-links a{display:flex;align-items:center;min-height:44px}
.language-links a[aria-current]{color:var(--accent);font-weight:650}
.guide-footer a:hover{text-decoration:underline;text-underline-offset:4px}

.hub-intro{padding-top:64px;padding-bottom:54px}
.hub-heading{display:grid;grid-template-columns:1.35fr 1fr;align-items:end;gap:60px;margin-top:20px}
.hub-heading h1{margin:0;font-size:clamp(42px,4.7vw,60px)}
.hub-summary .lead{font-size:16px}
.hub-summary .text-link{margin-top:18px}

.article-body section{scroll-margin-top:0}

@media(min-width:1600px){.guide-wrap{width:1200px}
}

@media(max-width:1000px){.guide-wrap{width:calc(100% - 56px)}
.header-inner{gap:20px}
.header-inner nav{gap:18px}
.guide-grid{gap:16px}
.card-copy{padding:24px 20px 20px}
.card-copy h3{font-size:22px}
.card-art{height:270px;padding:22px 16px}
.article-intro{gap:32px}
.article-layout{grid-template-columns:180px minmax(0,1fr);gap:38px}
.article-art picture{height:300px}
.card-action{flex-wrap:wrap}
.card-action small{margin-left:0;flex-basis:100%;padding-top:4px}
}

@media(max-width:720px){html{scroll-padding-top:90px}
.guide-wrap{width:calc(100% - 40px)}
.header-inner{min-height:72px;gap:12px;flex-wrap:wrap}
.guide-brand{font-size:17px;gap:8px}
.guide-brand img{width:31px;height:31px;border-radius:8px}
.header-inner nav{display:none}
.guide-language{gap:3px}
.guide-language svg{display:none}
.guide-language select{max-width:110px;font-size:12px}
.guide-download{font-size:11px;padding:11px 12px;border-radius:8px}
.hub-intro{padding-top:54px;padding-bottom:44px}
.hub-intro h1{font-size:40px;letter-spacing:-.045em;margin-top:18px}
.lead{font-size:16px;line-height:1.85}
.section-heading{display:block;margin-bottom:24px}
.section-heading h2{font-size:25px;margin-bottom:12px}
.section-heading p{font-size:13px}
.guide-grid{grid-template-columns:1fr;gap:24px}
.card-art{height:310px;padding:22px 26px}
.card-copy{padding:26px}
.card-copy h3{font-size:25px}
.card-copy>p:not(.eyebrow){font-size:15px}
.card-action{flex-wrap:nowrap}
.card-action small{flex-basis:auto;margin-left:auto;padding:0}
.hub-guides{padding-bottom:48px}
.platform-note{font-size:11px;line-height:1.9}
.breadcrumbs{padding-top:18px}
.article-intro{grid-template-columns:1fr;gap:32px;padding:22px 0 36px}
.article-title h1{font-size:38px;margin:18px 0}
.article-title .lead{font-size:16px}
.article-title .platform-note{margin-top:20px}
.article-art{padding:20px;border-radius:18px}
.article-art picture{height:300px}
.article-layout{display:block;padding-top:26px}
.article-toc nav{position:static;display:flex;flex-wrap:wrap;gap:0 18px;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:36px}
.article-toc p{width:100%;margin-bottom:6px}
.article-toc a{font-size:12px;gap:7px;padding-block:8px;min-height:44px}
.article-body h2{font-size:27px}
.article-body p,.prepare-list{font-size:15px}
.article-body section{padding-bottom:38px}
.guide-steps li{gap:16px;padding:25px 0}
.guide-steps h3{font-size:18px}
.step-number{width:30px;height:32px;border-radius:8px}
.guide-problems summary{font-size:15px}
.guide-tip{padding:24px 20px;gap:14px;margin-bottom:40px}
.related-guides{padding:32px 0 44px}
.related-guides>div{grid-template-columns:1fr;gap:14px}
.related-guides strong{font-size:18px}
.guide-cta{padding:44px 0}
.guide-cta h2{font-size:29px}
.guide-cta>div>p:not(.eyebrow){font-size:14px}
.store-links{gap:10px}
.store-links a{min-width:0;padding:13px 14px;gap:10px;font-size:12px}
.footer-main{align-items:flex-start;flex-direction:column;gap:8px;line-height:1.8}
.language-links{gap:4px 20px;margin-top:12px}
}

@media(max-width:360px){.guide-wrap{width:calc(100% - 32px)}
.guide-brand{font-size:15px}
.guide-language select{max-width:93px}
.guide-download{padding-inline:9px}
.hub-intro h1{font-size:35px}
.card-action{flex-wrap:wrap}
.card-action small{flex-basis:100%;margin-left:0}
.store-links a{font-size:11px}
}

@media(max-width:720px){.hub-heading{display:block;margin-top:18px}
.hub-heading h1{font-size:40px;margin:0 0 24px}
.hub-summary .lead{font-size:16px}
.hub-summary .text-link{margin-top:18px}
}

@media(max-width:720px){.header-inner{flex-wrap:nowrap;min-height:72px}
.guide-download{display:grid;place-items:center;width:44px;min-width:44px;height:44px;padding:0;font-size:19px}
.guide-download .download-label{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.guide-language select{max-width:115px}
}

@media(max-width:360px){.hub-heading h1{font-size:35px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.guide-card{transition:none}
.guide-card:hover{transform:none}
}
