:root {
  color-scheme: dark;
  --bg: #101311;
  --surface: #191d1a;
  --surface-raised: #222824;
  --surface-hover: #29302b;
  --surface-deep: #0d100e;
  --border: #343b36;
  --border-strong: #4b554e;
  --text: #f1f3ef;
  --muted: #a4ada6;
  --accent: #83c8bf;
  --accent-strong: #a3d9d2;
  --accent-soft: rgba(131, 200, 191, 0.45);
  --accent-faint: rgba(131, 200, 191, 0.14);
  --coral: #e58b7d;
  --coral-soft: rgba(229, 139, 125, 0.4);
  --gold: #d6b46f;
  --danger: #ef8c83;
  --skeleton: #252a26;
  --radius: 6px;
  --gutter: 20px;
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 13px;
  --text-md: 14px;
  --text-lg: 16px;
  --text-xl: 19px;
  --text-2xl: 22px;
  --text-3xl: 26px;
  --shadow-rest: 0 1px 2px rgba(0, 0, 0, 0.28), 0 4px 12px -6px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px -12px rgba(0, 0, 0, 0.45);
  --shadow-lift: 0 2px 6px rgba(0, 0, 0, 0.32), 0 16px 36px -14px rgba(0, 0, 0, 0.55);
  --shadow-featured: 0 2px 6px rgba(0, 0, 0, 0.32), 0 18px 40px -16px rgba(31, 12, 9, 0.72);
  --duration-fast: 140ms;
  --duration-normal: 260ms;
  --duration-slow: 320ms;
  --ease-out: cubic-bezier(0.2, 0.7, 0.3, 1);
  --font: "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; }
html { min-width: 320px; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #5d675f; }
.category-bar::-webkit-scrollbar { height: 4px; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font-family: var(--font); letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; letter-spacing: 0; }
button { color: inherit; }
img { display: block; max-width: 100%; }
svg { width: 18px; height: 18px; stroke-width: 2; }
.hidden { display: none !important; }
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 40; background: rgba(16, 19, 17, 0.96); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); box-shadow: 0 12px 28px -22px rgba(0, 0, 0, 0.7); }
.topbar-inner { width: min(1280px, 100%); min-height: 62px; margin: 0 auto; padding: 10px calc(var(--gutter) + var(--safe-r)) 10px calc(var(--gutter) + var(--safe-l)); display: grid; grid-template-columns: auto minmax(220px, 430px) auto; align-items: center; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 4px; background: var(--coral); color: #1d1210; font-size: var(--text-sm); font-weight: 850; }
.brand-text { font-size: var(--text-lg); }
.search-form { display: flex; gap: 8px; min-width: 0; }
.search-field { height: 40px; min-width: 0; flex: 1; display: flex; align-items: center; gap: 8px; padding: 0 11px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--muted); transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease; }
.search-field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(131, 200, 191, 0.16); }
.search-field input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; }
.btn-primary, .btn-secondary, .page-button, .back-button, .icon-btn { min-height: 40px; border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 13px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer; transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease, transform var(--duration-fast) var(--ease-out); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #101815; font-weight: 700; }
.btn-secondary, .page-button, .back-button, .icon-btn { background: var(--surface); }
.icon-btn { width: 40px; padding: 0; justify-self: end; }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-secondary:hover, .back-button:hover, .icon-btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.page-button:hover:not(:disabled) { background: var(--surface-hover); border-color: var(--coral-soft); }
.btn-primary:active, .btn-secondary:active, .page-button:active, .back-button:active, .icon-btn:active { transform: scale(0.96); }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:disabled { opacity: 0.38; cursor: not-allowed; transform: none; }
.category-bar { width: min(1280px, 100%); min-height: 44px; margin: 0 auto; padding: 0 calc(var(--gutter) + var(--safe-r)) 0 calc(var(--gutter) + var(--safe-l)); display: flex; gap: 22px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
.category-tab { height: 44px; flex: 0 0 auto; display: flex; align-items: center; padding: 0 2px; border-bottom: 2px solid transparent; color: var(--muted); font-size: var(--text-md); transition: color var(--duration-fast) ease, border-bottom-color var(--duration-fast) ease; }
.category-tab:hover { color: var(--text); }
.category-tab:active { color: var(--coral); }
.category-tab.active { color: var(--coral); border-bottom-color: var(--coral); font-weight: 700; }
.main { flex: 1; width: min(1280px, 100%); min-height: 70vh; margin: 0 auto; padding: 20px calc(var(--gutter) + var(--safe-r)) calc(48px + var(--safe-b)) calc(var(--gutter) + var(--safe-l)); }
.page-heading, .content-section > header, .related-section > header { min-height: 38px; margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.page-heading h1, .content-section h1, .related-section h2 { margin: 0; line-height: 1.3; }
.page-heading h1::before, .content-section h1::before, .related-section h2::before { content: ""; display: inline-block; width: 4px; height: 0.85em; margin-right: 10px; border-radius: 2px; background: linear-gradient(180deg, var(--accent-strong), var(--accent) 70%, rgba(131, 200, 191, 0.35)); vertical-align: -0.06em; }
.page-heading h1 { font-size: var(--text-3xl); font-weight: 800; letter-spacing: -0.01em; }
.content-section h1 { font-size: var(--text-xl); font-weight: 750; letter-spacing: -0.005em; }
.content-section:first-of-type h1 { font-size: var(--text-2xl); font-weight: 800; letter-spacing: -0.01em; }
.related-section h2 { font-size: var(--text-xl); font-weight: 750; letter-spacing: -0.005em; }
.page-heading span:not(.count-pill), .content-section header span:not(.count-pill), .related-section header span:not(.count-pill) { color: var(--muted); font-size: var(--text-sm); white-space: nowrap; }
.count-pill { display: inline-flex; align-items: center; padding: 3px 10px; border: 1px solid var(--accent-soft); border-radius: 999px; background: var(--accent-faint); color: var(--accent-strong); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.03em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.content-section { margin-bottom: 32px; }
.video-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.video-card { min-width: 0; border: 1px solid transparent; border-radius: var(--radius); padding: 5px; transition: transform var(--duration-fast) var(--ease-out), border-color var(--duration-fast) ease, background-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease; }
.video-card:hover, .video-card:focus-visible { transform: translateY(-2px); border-color: var(--accent-soft); background: var(--surface); box-shadow: var(--shadow-card); }
.video-card:active { transform: translateY(0); }
.poster-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #090b09; box-shadow: var(--shadow-rest); }
.poster-wrap img { width: 100%; height: 100%; object-fit: cover; }
.poster-wrap::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 36%; background: linear-gradient(to top, rgba(4, 6, 5, 0.58), transparent); pointer-events: none; }
.image-fallback { position: absolute; inset: 0; display: grid; place-items: center; background: #171a17; color: #68716a; }
.image-fallback svg { width: 27px; height: 27px; }
.duration { position: absolute; right: 6px; bottom: 6px; z-index: 1; padding: 2px 5px; border-radius: 3px; background: rgba(0, 0, 0, 0.76); color: #fff; font-size: var(--text-xs); }
.play-hint { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; opacity: 0; background: rgba(0, 0, 0, 0.24); transition: opacity var(--duration-fast) ease; }
.play-hint svg { width: 30px; height: 30px; padding: 6px; border-radius: 50%; background: var(--coral); color: #1b1110; fill: currentColor; transform: scale(0.9); transition: transform var(--duration-fast) var(--ease-out); }
.video-card:hover .play-hint, .video-card:focus-visible .play-hint { opacity: 1; }
.video-card:hover .play-hint svg, .video-card:focus-visible .play-hint svg { transform: scale(1); }
.card-title { min-height: 2.8em; margin: 8px 2px 1px; display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: var(--text-md); line-height: 1.4; font-weight: 600; }
.card-meta { margin: 5px 2px 1px; display: flex; flex-wrap: wrap; gap: 4px 6px; overflow: hidden; max-height: 1.9em; }
.card-tag { flex: 0 0 auto; padding: 1px 6px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: var(--text-xs); line-height: 1.5; white-space: nowrap; transition: color var(--duration-fast) ease, border-color var(--duration-fast) ease; }
.video-card:hover .card-tag, .video-card:focus-visible .card-tag { color: var(--accent); border-color: var(--accent-soft); }
.featured-grid .is-featured { position: relative; grid-column: span 2; grid-row: span 2; aspect-ratio: 16 / 9; overflow: hidden; padding: 0; border-color: var(--border); border-radius: var(--radius); background: #090b09; box-shadow: var(--shadow-card); }
.featured-grid .is-featured:hover, .featured-grid .is-featured:focus-visible { border-color: var(--coral-soft); box-shadow: var(--shadow-featured); }
.is-featured .poster-wrap { position: absolute; inset: 0; height: 100%; aspect-ratio: auto; border: 0; border-radius: 0; }
.is-featured .poster-wrap::after { height: 55%; background: linear-gradient(to top, rgba(4, 6, 5, 0.92) 0%, rgba(4, 6, 5, 0.4) 55%, transparent 100%); }
.is-featured .card-title { position: absolute; z-index: 3; left: 14px; right: 88px; bottom: 12px; margin: 0; min-height: 0; font-size: var(--text-xl); font-weight: 700; line-height: 1.4; text-shadow: 0 1px 6px rgba(0, 0, 0, 0.7); }
.is-featured .duration { right: 12px; bottom: 12px; }
.featured-badge { position: absolute; z-index: 3; left: 12px; top: 12px; padding: 3px 8px; border-radius: 3px; background: var(--coral); color: #1d1210; font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.04em; }
.pager { margin-top: 24px; display: flex; justify-content: center; align-items: center; gap: 12px; }
.pager > span { min-width: 70px; text-align: center; color: var(--muted); font-size: var(--text-sm); }
.pager-current { color: var(--coral); font-style: normal; font-weight: 700; }
.loading-state, .feedback { min-height: 50vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: var(--muted); text-align: center; padding: 20px; }
.feedback { border: 1px dashed var(--border); border-radius: var(--radius); }
.feedback p { margin: 0; }
.feedback svg { width: 26px; height: 26px; opacity: 0.7; }
.error-state { color: var(--danger); }
.error-state .btn-secondary { margin-top: 4px; color: var(--text); }
.skeleton-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.skeleton-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.skeleton-card span, .skeleton-card i, .skeleton-player, .skeleton-watch i, .skeleton-chip, .skeleton-heading i { position: relative; overflow: hidden; background: var(--skeleton); }
.skeleton-heading { min-height: 38px; margin-bottom: 14px; display: flex; align-items: center; }
.skeleton-heading i { display: block; width: 148px; height: 18px; border-radius: 3px; }
.skeleton-card span { display: block; aspect-ratio: 16 / 9; }
.skeleton-card i { display: block; width: 86%; height: 11px; margin: 10px; border-radius: 3px; }
.skeleton-card i:last-child { width: 56%; }
.skeleton-chip { flex: 0 0 auto; width: 52px; height: 12px; margin: 16px 0; border-radius: 3px; }
.skeleton-chip:nth-child(2n) { width: 38px; }
.skeleton-chip:nth-child(3n) { width: 64px; }
.skeleton-watch { width: min(1080px, 100%); }
.skeleton-player { display: block; width: 100%; aspect-ratio: 16 / 9; max-height: 72vh; border-radius: var(--radius); background: #171a17; }
.skeleton-watch i { display: block; width: 62%; height: 13px; margin: 18px 0 0; border-radius: 3px; }
.skeleton-watch i + i { width: 38%; margin-top: 10px; }
.back-button { margin-bottom: 14px; }
.watch-view { width: min(1080px, 100%); }
.player-frame { position: relative; width: 100%; aspect-ratio: 16 / 9; max-height: 72vh; overflow: hidden; border-radius: var(--radius); background: #000; box-shadow: var(--shadow-card); }
.player-frame video { width: 100%; height: 100%; display: block; object-fit: contain; background: #000; }
.embed-player { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; background: #000; }
.artplayer-mount { width: 100%; height: 100%; }
.player-feedback { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; gap: 8px; pointer-events: none; color: #fff; background: rgba(0, 0, 0, 0.42); font-size: var(--text-base); }
.player-feedback.active { display: flex; }
.player-feedback.error { flex-direction: column; gap: 10px; color: var(--danger); background: rgba(0, 0, 0, 0.6); }
.player-feedback.error svg { animation: none; }
.player-feedback.error > svg:first-child { display: none; }
.player-feedback [data-player-retry] { pointer-events: auto; color: var(--text); background: var(--surface-raised); }
.player-feedback [data-player-retry] svg { width: 15px; height: 15px; }
.media-interaction-hint {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  max-width: calc(100% - 32px);
  padding: 8px 12px;
  transform: translate(-50%, -50%) scale(0.96);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: var(--text-base);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast) ease, transform var(--duration-fast) ease;
}
.media-interaction-hint.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.player-frame:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.video-heading { width: min(900px, 100%); margin-top: 16px; }
.video-heading h1 { margin: 0 0 9px; font-size: var(--text-2xl); font-weight: 700; line-height: 1.4; overflow-wrap: anywhere; }
.video-meta { color: var(--gold); font-size: var(--text-sm); }
.video-heading p { margin: 10px 0; color: #cfd5d0; font-size: var(--text-md); line-height: 1.65; }
.tags { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.tags a { color: var(--muted); font-size: var(--text-sm); border-bottom: 1px solid var(--border-strong); transition: color var(--duration-fast) ease, border-bottom-color var(--duration-fast) ease; }
.tags a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.related-section { margin-top: 28px; }
.site-footer { position: relative; margin-top: auto; border-top: 1px solid var(--border); background: var(--surface-deep); }
.site-footer::before { content: ""; position: absolute; left: 0; top: -1px; width: 100%; height: 2px; background: linear-gradient(90deg, var(--coral), var(--gold) 45%, transparent 80%); opacity: 0.55; pointer-events: none; }
.footer-inner { width: min(1280px, 100%); margin: 0 auto; padding: 30px calc(var(--gutter) + var(--safe-r)) 24px calc(var(--gutter) + var(--safe-l)); display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 24px 48px; }
.footer-brand { display: flex; flex-direction: column; gap: 10px; max-width: 340px; }
.footer-tagline { margin: 0; color: var(--muted); font-size: var(--text-base); line-height: 1.6; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav-title { color: var(--gold); font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.08em; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-links a { color: var(--muted); font-size: var(--text-md); transition: color var(--duration-fast) ease; }
.footer-links a:hover { color: var(--coral); }
.footer-meta { border-top: 1px solid rgba(52, 59, 54, 0.6); }
.footer-meta-inner { width: min(1280px, 100%); margin: 0 auto; padding: 13px calc(var(--gutter) + var(--safe-r)) calc(13px + var(--safe-b)) calc(var(--gutter) + var(--safe-l)); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 24px; color: var(--muted); font-size: var(--text-sm); }
.footer-meta p { margin: 0; }
.toast { position: fixed; left: 50%; bottom: calc(22px + var(--safe-b)); z-index: 100; max-width: calc(100vw - 32px); padding: 9px 13px; transform: translate(-50%, 8px); border: 1px solid var(--border-strong); border-radius: var(--radius); background: #28302b; box-shadow: var(--shadow-card); font-size: var(--text-sm); opacity: 0; pointer-events: none; transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out); }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@keyframes fade-up { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { to { transform: translateX(100%); } }
@media (prefers-reduced-motion: no-preference) {
  .watch-view, .feedback, .page-heading, .content-section > header, .pager { animation: fade-up var(--duration-normal) var(--ease-out) both; }
  .video-grid > .video-card { animation: fade-up var(--duration-normal) var(--ease-out) both; }
  .video-grid > .video-card:nth-child(2) { animation-delay: 35ms; }
  .video-grid > .video-card:nth-child(3) { animation-delay: 70ms; }
  .video-grid > .video-card:nth-child(4) { animation-delay: 105ms; }
  .video-grid > .video-card:nth-child(5) { animation-delay: 140ms; }
  .video-grid > .video-card:nth-child(n+6) { animation-delay: 170ms; }
  .poster-wrap img { opacity: 0; transition: opacity var(--duration-normal) ease, transform var(--duration-slow) var(--ease-out); }
  .poster-wrap img.is-loaded { opacity: 1; }
  .video-card:hover .poster-wrap img, .video-card:focus-visible .poster-wrap img { transform: scale(1.045); }
  .loading-state svg, .player-feedback svg { animation: spin 850ms linear infinite; }
  .skeleton-card span::after, .skeleton-card i::after, .skeleton-player::after, .skeleton-watch i::after, .skeleton-chip::after, .skeleton-heading i::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(100deg, transparent 20%, rgba(241, 243, 239, 0.055) 50%, transparent 80%); animation: shimmer 1.3s var(--ease-out) infinite; }
}

@media (min-width: 1180px) {
  .video-grid, .skeleton-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .video-grid, .skeleton-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  :root { --gutter: 12px; --text-3xl: 22px; --text-2xl: 19px; }
  .topbar-inner { min-height: auto; padding-top: 9px; padding-bottom: 9px; grid-template-columns: auto 1fr auto; gap: 8px; }
  .topbar .brand-text { display: none; }
  .search-form { min-width: 0; }
  .icon-btn { width: 40px; }
  .category-bar { gap: 18px; }
  .main { padding-top: 15px; padding-bottom: calc(36px + var(--safe-b)); }
  .video-grid, .skeleton-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .video-card { padding: 2px; }
  .card-title { margin-top: 6px; font-size: var(--text-base); }
  .featured-grid .is-featured { grid-row: auto; padding: 0; }
  .is-featured .card-title { left: 10px; right: 72px; bottom: 9px; margin: 0; font-size: var(--text-md); }
  .is-featured .duration { right: 9px; bottom: 9px; }
  .featured-badge { left: 9px; top: 9px; }
  .player-frame, .skeleton-player { width: calc(100% + var(--gutter) * 2 + var(--safe-l) + var(--safe-r)); margin-left: calc(-1 * (var(--gutter) + var(--safe-l))); border-radius: 0; box-shadow: none; }
  .footer-inner { flex-direction: column; gap: 20px; padding-top: 24px; padding-bottom: 20px; }
}
@media (max-width: 390px) {
  .btn-primary { width: 44px; padding: 7px 5px; font-size: var(--text-sm); }
  .icon-btn { display: none; }
  .topbar-inner { grid-template-columns: auto 1fr; }
}
@media (pointer: coarse) {
  .btn-primary, .btn-secondary, .page-button, .back-button, .icon-btn { min-height: 44px; }
  .icon-btn { width: 44px; }
  .search-field { height: 44px; }
  .tags a { padding: 14px 2px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
}
/* ---- 下载按钮（watch 页） ---- */
.video-heading .heading-row { display: flex; align-items: flex-start; gap: 14px; justify-content: space-between; }
.video-heading .heading-row h1 { flex: 1; min-width: 0; }
.btn-download {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px; border-radius: 10px; font-size: 14px; line-height: 1;
  color: #ecf0f1; background: linear-gradient(135deg, #c0392b, #e74c3c);
  text-decoration: none; box-shadow: 0 2px 10px rgba(231, 76, 60, .3);
  transition: transform .15s, box-shadow .15s;
}
.btn-download:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(231, 76, 60, .45); }
.btn-download:active { transform: translateY(0); }