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820px){.plans-2{grid-template-columns:1fr}}.subline{display:flex;align-items:center;justify-content:space-between;gap:14px;max-width:760px;margin:18px auto 0;padding:14px 18px;border:1px dashed var(--line);border-radius:14px;background:#fff;text-align:left}.subline>div{font-size:13px;color:var(--muted)}.subline b{color:var(--ink)}.subline .btn{flex:none}@media (max-width: 560px){.subline{flex-direction:column;align-items:stretch}}.mobile-buy{display:none}@media (max-width: 900px){.mobile-buy{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fffffff0;-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-top:1px solid var(--line)}.mobile-buy .btn{width:100%;justify-content:center}.footer{padding-bottom:88px}}.diag-grades{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:860px;margin:0 auto 18px}.diag-grade-btn{flex:0 0 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