.download-page { background: #f4f8f5; color: #173e32; }
.download-main { max-width: 1180px; margin: 0 auto; padding: 56px 24px 72px; }
.download-hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; align-items: center; }
.download-eyebrow { color: #356c51; font-size: .8rem; font-weight: 800; letter-spacing: .14em; }
.download-hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); line-height: 1.12; letter-spacing: -.035em; margin: 20px 0; }
.download-intro { color: #52675d; font-size: 1.15rem; line-height: 1.7; }
.download-features { padding-left: 22px; margin: 24px 0; line-height: 2; }
.download-back { color: #075840; font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }
.download-card { background: white; border: 1px solid #d6e4d9; border-radius: 28px; padding: 36px; box-shadow: 0 20px 60px #173e3210; }
.download-platform { display: inline-block; background: #e7f3e9; color: #246342; border-radius: 30px; padding: 8px 14px; font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.download-card h2 { font-size: 1.8rem; margin: 22px 0 12px; }
.download-card p { line-height: 1.7; }
.download-button { display: flex; justify-content: center; text-align: center; margin-top: 24px; min-height: 52px; }
.download-detail { font-size: .9rem; color: #607066; }
.download-unavailable { background: #edf2ee; color: #42574b; border-radius: 12px; padding: 15px; text-align: center; font-weight: 700; }
.download-install { border-top: 1px solid #d6e4d9; margin-top: 64px; padding-top: 36px; }
.download-install h2 { font-size: 2rem; }
.download-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; padding-left: 24px; margin-top: 28px; }
.download-steps li { padding-left: 6px; }
.download-steps li::marker { color: #23754b; font-weight: 800; }
.download-steps h3 { margin: 0 0 12px; font-size: 1.1rem; }
.download-steps p, .download-note { color: #52675d; line-height: 1.7; }
.download-note { margin-top: 28px; font-size: .9rem; }
.download-footer { border-top: 1px solid #d6e4d9; padding: 24px; text-align: center; color: #52675d; }
.download-page a:focus-visible { outline: 3px solid #267d54; outline-offset: 5px; }
@media (max-width: 820px) {
    .download-hero, .download-steps { grid-template-columns: 1fr; gap: 28px; }
    .download-main { padding-top: 28px; }
    .download-card { padding: 26px; }
}