:root{--bg:#F5F9FE;--surface:#FFFFFF;--blue-soft:#E8F2FC;--blue-softer:#F3F8FF;--blue:#2F7BFF;--blue-dark:#1E5FD6;--title:#16324F;--text:#243447;--muted:#5B6B7C;--note:#7A8896;--line:rgba(47,123,255,.16);--shadow:0 12px 32px rgba(22,50,79,.08);--footer:#10243A;--footer-text:#D7E6F5;--radius:16px;--shell:1200px}
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var(--line);border-radius:16px;box-shadow:var(--shadow);padding:18px}.page-image img{width:100%;height:auto;max-height:300px;object-fit:contain}.content-stack{display:grid;gap:18px}.content-card{padding:24px}.content-card h2{margin:0 0 10px;color:var(--title);font-size:24px}.content-card p{margin:0 0 12px;color:var(--text)}.content-card p:last-child{margin-bottom:0}.usage-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:0;padding:0;list-style:none}.usage-list li{background:var(--blue-softer);border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--text)}.page-reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.page-reviews blockquote{margin:0;background:var(--blue-softer);border-radius:12px;padding:16px;color:var(--muted)}.page-reviews cite{display:block;margin-top:9px;font-size:13px;color:var(--title);font-style:normal;font-weight:700}.page-faq{display:grid;gap:10px}.page-faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}.page-faq summary{cursor:pointer;color:var(--title);font-weight:700}.page-faq p{margin:10px 0 0;color:var(--muted)}.site-footer{background:var(--footer);color:var(--footer-text);padding:48px 0 26px;margin-top:56px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-brand img{height:42px;width:auto;margin-bottom:14px}.footer-brand p{max-width:390px;color:#BFD2E5}.site-footer h2{font-size:16px;color:#fff;margin:0 0 12px}.site-footer a{display:block;color:var(--footer-text);margin:7px 0;font-size:14px}.site-footer a:hover{color:#fff}.footer-note{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;margin-top:24px;color:#BFD2E5;font-size:13px}.mobile-bottom{display:none}
@media(max-width:1040px){.core-nav a{padding:8px 10px}.overview-btn{display:none}.topic-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.shell{width:min(calc(100% - 28px),var(--shell))}.topbar{height:64px;justify-content:space-between}.mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center}.brand-logo{position:absolute;left:50%;transform:translateX(-50%)}.brand-logo img{height:36px;max-width:150px}.core-nav,.overview-btn,.register-btn{display:none}.header-actions{margin-left:auto}.login-btn{padding:10px 14px}.hero{padding:36px 0 30px}.hero-grid,.page-hero-grid,.intro-bar,.app-band{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:36px}.summary-row{grid-template-columns:1fr 1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}.two-col,.media-grid,.security-grid,.review-grid,.faq-grid,.page-reviews{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9998;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding:7px max(10px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));box-shadow:0 -8px 24px rgba(22,50,79,.08)}.mobile-bottom a{text-align:center;color:var(--title);font-size:13px;padding:7px 4px}.site-footer{padding-bottom:88px}.desktop-drawer{display:none}.usage-list{grid-template-columns:1fr}}
@media(max-width:520px){.shell{width:min(calc(100% - 22px),var(--shell))}.hero h1,.page-hero h1{font-size:30px}.hero p,.page-hero p{font-size:15px}.hero-card{padding:12px}.summary-row{gap:8px}.summary-item{padding:11px}.section{padding:42px 0}.section-title h2{font-size:25px}.topic-grid{gap:10px}.topic-card .img-wrap{min-height:120px;padding:8px}.topic-card .body{padding:12px}.topic-card h3{font-size:16px}.quick-card{min-width:210px;max-width:210px}.footer-grid{grid-template-columns:1fr}.drawer-links{grid-template-columns:1fr 1fr}.page-image img{max-height:220px}.content-card{padding:18px}}