.extension-guide-page{background:var(--stars-fine), var(--stars-deep), var(--stars-glow), var(--sea-wash), radial-gradient(900px 460px at 50% -120px, #165dff1a, transparent 70%), var(--clear-blue);flex-direction:column;min-height:100vh;display:flex}.extension-guide-page__back{color:var(--muted);align-items:center;gap:7px;font-size:13px;font-weight:650;display:inline-flex}.extension-guide-page__back:hover{color:var(--brand-blue)}.extension-guide-page__main{width:min(1060px,100% - 64px);margin:0 auto;padding:76px 0 68px}.extension-guide-page__hero{text-align:center;max-width:720px;margin:0 auto}.extension-guide-page__eyebrow{color:var(--brand-blue);letter-spacing:.22em;align-items:center;gap:10px;margin:0 0 18px;font-size:12px;font-weight:700;display:inline-flex}.extension-guide-page__eyebrow span{background:var(--brand-blue);opacity:.55;width:26px;height:1px}.extension-guide-page__hero h1{color:var(--ink);letter-spacing:-.03em;margin:0;font-size:clamp(36px,5vw,56px);font-weight:800;line-height:1.1}.extension-guide-page__hero>p:not(.extension-guide-page__eyebrow){max-width:52ch;color:var(--muted);margin:18px auto 0;font-size:15px;line-height:1.8}.extension-guide-page__download{color:var(--white);background:linear-gradient(160deg,#3f7bff,#165dff 62%,#0e3fae);border-radius:999px;align-items:center;gap:8px;margin-top:26px;padding:12px 22px;font-size:14px;font-weight:700;transition:transform .2s,box-shadow .2s;display:inline-flex;box-shadow:0 10px 24px #165dff42}.extension-guide-page__download:hover{transform:translateY(-1px);box-shadow:0 14px 28px #165dff52}.extension-guide-page__steps{margin-top:64px}.extension-guide-page__steps h2{color:var(--ink);margin:0 0 18px;font-size:20px;font-weight:750}.extension-guide-page__step-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.extension-guide-page__step{border:1px solid var(--soft-line);background:var(--white);border-radius:16px;min-height:230px;padding:24px 22px 22px;box-shadow:0 10px 30px #1a3e730f}.extension-guide-page__step-head{justify-content:space-between;align-items:center;display:flex}.extension-guide-page__step-icon{background:var(--mist-blue);width:42px;height:42px;color:var(--brand-blue);border-radius:12px;justify-content:center;align-items:center;display:inline-flex}.extension-guide-page__step-index{color:var(--brand-blue);letter-spacing:.12em;font-size:12px;font-weight:800}.extension-guide-page__step h3{color:var(--ink);margin:24px 0 10px;font-size:17px;font-weight:750;line-height:1.4}.extension-guide-page__step p{color:var(--muted);margin:0;font-size:14px;line-height:1.75}.extension-guide-page__note{background:var(--mist-blue);color:var(--brand-blue-deep);border:1px solid #165dff33;border-radius:14px;align-items:flex-start;gap:12px;margin-top:22px;padding:16px 18px;display:flex}.extension-guide-page__note svg{flex:none;margin-top:2px}.extension-guide-page__note p{margin:0;font-size:13.5px;line-height:1.75}.extension-guide-page__store{border:1px solid var(--soft-line);background:#ffffffb8;border-radius:16px;justify-content:space-between;align-items:center;gap:24px;margin-top:22px;padding:22px 24px;display:flex}.extension-guide-page__store h2{color:var(--ink);margin:0;font-size:16px;font-weight:750}.extension-guide-page__store p{color:var(--muted);margin:6px 0 0;font-size:13.5px;line-height:1.6}.extension-guide-page__store a{color:var(--brand-blue);flex:none;align-items:center;gap:7px;font-size:13.5px;font-weight:700;display:inline-flex}.extension-guide-page__store a:hover{color:var(--brand-blue-deep)}@media (max-width:800px){.extension-guide-page__step-grid{grid-template-columns:1fr}.extension-guide-page__step{min-height:auto}}@media (max-width:640px){.extension-guide-page__main{width:min(100% - 32px,1060px);padding:52px 0}.extension-guide-page__hero h1{font-size:36px}.extension-guide-page__store{flex-direction:column;align-items:flex-start;gap:14px}}@media (prefers-reduced-motion:reduce){.extension-guide-page__download{transition:none}}