:root{--ink:#162538;--muted:#536477;--blue:#165ed3;--pale:#eef5ff;--line:#dae3ec;--page:#f7f9fc;--white:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--page);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;line-height:1.65}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(32px,4vw,54px);margin-bottom:20px}h2{font-size:26px;margin-bottom:16px}h3{font-size:19px}p,li{font-size:16px}li+li{margin-top:10px}li{padding-left:4px}strong{font-weight:650}[hidden]{display:none!important}:focus-visible{outline:3px solid #e08b16;outline-offset:4px}html{scroll-padding-top:100px}.skip-link{position:fixed;top:-100px;left:20px;padding:12px;background:white;z-index:100}.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.header-inner{max-width:1250px;margin:auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:700;color:var(--ink)}.brand img{width:38px;height:38px;border-radius:9px}.brand small{display:block;font-size:12px;font-weight:500;color:var(--muted)}.site-header nav{display:flex;gap:24px;font-size:14px}.home{max-width:1180px;margin:auto;padding:0 28px 64px}.hero{max-width:760px;padding:70px 0 36px}.eyebrow{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}.lead{font-size:19px;color:var(--muted);line-height:1.55}.search-form{margin-top:30px}.search-form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.search-field{display:flex;background:white;border:1px solid #b8c9da;border-radius:12px;overflow:hidden;box-shadow:0 5px 18px #16253808}.search-field input{min-width:0;flex:1;border:0;padding:17px;background:transparent;color:var(--ink)}.search-field button{margin:7px;border:0;border-radius:7px;padding:8px 20px;background:var(--blue);color:white}.search-hint{font-size:13px;color:var(--muted);margin-top:10px}.start-guide{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:28px 32px;background:#eaf2ff;border:1px solid #c7daf7;border-radius:16px;color:var(--ink)}.start-guide:hover{text-decoration:none;background:#e3edfc}.start-guide h2{font-size:24px;margin-bottom:8px}.start-guide p{margin:0;color:var(--muted)}.start-guide>span{font-size:32px;color:var(--blue)}.start-guide .eyebrow{display:block}.category-nav{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 38px}.category-nav a{font-size:13px;border:1px solid var(--line);background:white;border-radius:30px;padding:7px 14px}.category-section{margin:38px 0}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.section-heading h2{font-size:24px}.section-heading>span{font-size:13px;color:var(--muted)}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.guide-card{display:flex;flex-direction:column;gap:8px;padding:25px;background:white;border:1px solid var(--line);border-radius:14px;color:var(--ink);transition:border-color .15s,box-shadow .15s}.guide-card:hover{text-decoration:none;border-color:#83ace8;box-shadow:0 8px 24px #16253808}.guide-card h3{margin:0}.guide-card p{font-size:14px;color:var(--muted);margin:0}.guide-card>span{font-size:13px;font-weight:600;color:var(--blue);margin-top:auto;padding-top:10px}.support-box{padding:28px;background:var(--pale);border-radius:14px;margin-top:44px}.support-box h2{font-size:22px}.support-box p{margin:0}#search-status{margin:0 0 18px;color:var(--muted)}#search-panel{padding:10px 0 20px}.guide-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:48px;max-width:1250px;margin:auto;padding:36px 28px 70px}.guide-sidebar{position:sticky;top:110px;align-self:start;max-height:calc(100vh - 140px);overflow:auto}.guide-sidebar summary{font-weight:700;font-size:14px;cursor:pointer;margin-bottom:15px}.guide-sidebar nav{display:flex;flex-direction:column;gap:3px}.guide-sidebar nav a{display:block;font-size:13px;padding:8px 10px;border-radius:7px;color:var(--muted);line-height:1.4}.guide-sidebar a[aria-current=page]{background:#e6effe;color:var(--blue);font-weight:650}.guide{min-width:0;max-width:820px}.guide h1{font-size:clamp(30px,3vw,44px)}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:32px}.guide>section{margin:40px 0}.guide>section h2{padding-top:5px}.guide>section p:last-child{margin-bottom:0}.toc{margin:28px 0;padding:22px 26px;background:white;border:1px solid var(--line);border-radius:12px}.toc h2{font-size:15px;letter-spacing:0}.toc ol{margin-bottom:0;padding-left:20px}.toc li{font-size:14px;margin-top:5px}.screenshot{margin:32px 0;padding:12px;background:white;border:1px solid var(--line);border-radius:14px}.image-zoom{display:block;padding:0;width:100%;border:0;background:transparent;border-radius:8px;overflow:hidden;cursor:zoom-in}.image-zoom img{display:block;width:100%;height:auto}.screenshot figcaption{font-size:12px;line-height:1.5;color:var(--muted);padding:12px 8px 2px}.note{margin:24px 0;padding:20px 24px;background:#edf4ff;border-left:3px solid var(--blue);border-radius:0 10px 10px 0}.note strong{font-size:14px}.note p{font-size:15px;margin:5px 0 0}table{width:100%;border-collapse:collapse;margin:24px 0;background:white}th,td{text-align:left;padding:12px 16px;border:1px solid var(--line);font-size:14px}th{background:var(--pale)}.related{border-top:1px solid var(--line);padding-top:30px}.related-grid{display:grid;gap:12px}.related-grid a{padding:18px;background:white;border:1px solid var(--line);border-radius:10px}.related-grid strong{display:block;font-size:15px}.related-grid span{display:block;font-size:13px;color:var(--muted);margin-top:4px}footer{padding:26px 28px;border-top:1px solid var(--line);text-align:center;background:white}footer p{font-size:12px;color:var(--muted);margin:4px 0}dialog{border:1px solid var(--line);border-radius:16px;max-width:1100px;width:95vw;max-height:94vh;padding:20px;background:white;color:var(--ink)}dialog::backdrop{background:#102033b3}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}.dialog-top h2{font-size:18px;margin:0}.dialog-top button{border:1px solid var(--line);border-radius:7px;background:var(--page);padding:7px 15px}.zoomed-image{display:block;width:100%;height:auto}
@media(max-width:1000px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-layout{gap:28px;grid-template-columns:200px minmax(0,1fr)}}
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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.platform-gallery{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(220px,1fr);align-items:start;gap:16px;margin:32px 0}.platform-gallery .screenshot{min-width:0;margin:0}.platform-shot--iphone .image-zoom img{max-width:330px;margin:0 auto}.platform-shot figcaption{min-height:3.2em}@media(max-width:760px){.platform-gallery{grid-template-columns:1fr}.platform-shot--iphone .image-zoom img{max-width:min(100%,360px)}}

.platform-tag{display:inline-flex;align-items:center;min-height:26px;padding:4px 10px;margin:2px 0 10px;border:1px solid #d7e2f4;border-radius:999px;background:#eef4ff;color:#1749b8;font-size:11px;font-weight:700;letter-spacing:.04em;line-height:1;text-transform:uppercase}.platform-shot--iphone .platform-tag{background:#f2f0ff;border-color:#e1dafb;color:#5b46a5}