.app-download {
    --app-blue: #0754d6;
    --app-ink: #17283f;
    --app-muted: #53647b;
    --app-line: #e0e8f5;
    width: min(100% - 32px, 970px);
    margin: 0 auto;
    padding: 20px 0 42px;
    color: var(--app-ink);
}

.app-download [hidden] { display: none; }

.app-download-crumb { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 13px; color: var(--app-muted); }
.app-download-crumb a, .app-download-help a { color: var(--app-blue); }
.app-download-card {
    padding: 32px;
    background: linear-gradient(180deg, #f5f8ff 0, #fff 148px);
    border: 1px solid var(--app-line);
    border-radius: 18px;
    box-shadow: 0 8px 28px #2446750d;
}
.app-download-intro { margin: 0 0 27px; text-align: center; }
.app-download-intro img { display: block; margin: 0 auto 12px; border-radius: 16px; }
.app-download-intro h1 { margin: 0; font-size: clamp(24px, 3vw, 31px); line-height: 1.3; font-weight: 750; }
.app-download-intro p { margin: 7px 0 0; font-size: 14px; line-height: 1.55; color: var(--app-muted); }
.app-browser-hint { margin: 0 0 12px; padding: 10px 12px; border: 1px solid #f2dfb8; border-radius: 8px; background: #fff9ec; color: #704a1e; font-size: 13px; }
.app-download-grid { display: grid; grid-template-columns: minmax(200px, 0.7fr) minmax(260px, 1fr); gap: 22px; align-items: stretch; }
.app-download-qr { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 20px 12px; background: #edf3ff; border-radius: 12px; text-align: center; }
.app-download-qr img { display: block; width: 156px; height: 156px; margin: 0 0 5px; border-radius: 6px; }
.app-download-qr span, .app-platform p { color: var(--app-muted); font-size: 13px; }
.app-download-platforms { display: grid; align-content: center; gap: 12px; }
.app-platform-link, .app-platform-unavailable { display: flex; align-items: center; gap: 13px; min-height: 66px; padding: 10px 16px; border: 1px solid transparent; border-radius: 9px; text-decoration: none; }
.app-platform-link strong, .app-platform-unavailable strong { display: block; font-size: 15px; font-weight: 700; }
.app-platform-link small, .app-platform-unavailable small { display: block; margin-top: 3px; color: inherit; font-size: 12px; }
.app-platform-link svg { width: 22px; height: 22px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.app-platform-link .app-platform-end { margin-left: auto; }
.app-download .app-platform-android { background: var(--app-blue); color: #fff; }
.app-download .app-platform-android:hover { background: #0649b9; color: #fff; }
.app-download .app-platform-ios { background: #edf2fa; color: var(--app-ink); border-color: var(--app-line); }
.app-download .app-platform-ios:hover { background: #e1e9f6; }
.app-platform-unavailable { display: block; background: #f5f7fa; color: var(--app-muted); }
.app-platform p { margin: 6px 2px 0; line-height: 1.5; }
.app-download a:focus-visible { outline: 2px solid var(--app-blue); outline-offset: 3px; }
.app-download-help { display: grid; grid-auto-columns: minmax(0, 1fr); grid-auto-flow: column; gap: 12px; margin-top: 14px; }
.app-download-help section { padding: 15px; background: #fff; border: 1px solid var(--app-line); border-radius: 10px; }
.app-download-help h2 { margin: 0; font-size: 14px; font-weight: 700; }
.app-download-help p { margin: 5px 0 0; color: var(--app-muted); font-size: 13px; line-height: 1.55; }
.app-download-help a { display: inline-flex; gap: 5px; align-items: center; min-height: 32px; font-size: 13px; font-weight: 650; }

@media (max-width: 680px) {
    .app-download { padding: 12px 0 24px; }
    .app-download-crumb { margin-bottom: 10px; }
    .app-download-card { padding: 19px 14px 15px; }
    .app-download-intro { margin-bottom: 17px; }
    .app-download-intro img { width: 62px; height: 62px; }
    .app-download-grid, .app-download-help { grid-template-columns: 1fr; }
    .app-download-qr { display: none; }
    .app-download[data-app-device="ios"] .app-platform-ios { background: #172131; color: #fff; border-color: #172131; }
    .app-download[data-app-device="ios"] .app-platform-android { background: #edf2fa; color: #174b9d; border-color: var(--app-line); }
    .app-download-help { grid-auto-flow: row; gap: 8px; }
    .app-download-help section:last-child { grid-row: 1; }
}