/* 蘑菇视频极简高端中文官网外部样式 */
:root {
  --bg: #fbfcf8;
  --paper: #ffffff;
  --ink: #203128;
  --muted: #6f7d73;
  --line: rgba(32, 49, 40, .12);
  --brand: #437e5c;
  --brand-deep: #264a36;
  --warm: #e5bc80;
  --soft: #f1f6ee;
  --shadow: 0 24px 80px rgba(35, 57, 44, .10);
  --radius-lg: 32px;
  --radius-md: 22px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(229,188,128,.16), transparent 34rem),
    linear-gradient(180deg, #fbfcf8 0%, #f7faf5 48%, #ffffff 100%);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(251,252,248,.86);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 22px 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand-link { display: inline-flex; align-items: center; min-width: 145px; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; }
.main-nav a {
  padding: 10px 14px; border-radius: 999px;
  color: var(--muted); font-size: 15px;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.main-nav a:hover { color: var(--brand-deep); background: var(--soft); transform: translateY(-1px); }
.nav-cta {
  padding: 11px 18px; border-radius: 999px;
  background: var(--ink); color: #fff; font-size: 14px;
  box-shadow: 0 10px 28px rgba(32,49,40,.16);
}
.search-shell {
  max-width: min(760px, calc(100% - 44px));
  margin: 0 auto 16px;
  padding: 8px;
  display: flex; gap: 8px; align-items: center;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 10px 36px rgba(32,49,40,.06);
}
.search-shell input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; padding: 11px 18px;
  color: var(--ink);
}
.search-shell button {
  border: 0; cursor: pointer; border-radius: 999px; padding: 11px 18px;
  color: #fff; background: var(--brand);
}
.search-shell p { margin: 0 10px 0 0; color: var(--muted); font-size: 13px; }
main { overflow: hidden; }
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 92px 22px;
}
.hero {
  min-height: calc(100vh - 142px);
  display: grid; align-items: center;
  grid-template-columns: minmax(0, 1.02fr) minmax(280px, .98fr);
  gap: 56px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--brand-deep); font-weight: 700; letter-spacing: .08em; font-size: 13px;
  text-transform: uppercase;
}
.eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--brand);
}
h1, h2, h3, h4, h5, h6 { line-height: 1.18; margin: 0; letter-spacing: -.03em; }
h1 { font-size: clamp(42px, 7vw, 82px); max-width: 840px; }
h2 { font-size: clamp(30px, 4.5vw, 54px); }
h3 { font-size: 22px; }
.lead {
  margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 21px); max-width: 720px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid var(--line);
  color: var(--ink); background: rgba(255,255,255,.72);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.domain-note {
  margin-top: 28px; color: var(--muted); font-size: 14px;
}
.domain-note strong { color: var(--brand-deep); }
.hero-media {
  position: relative; min-height: 520px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--paper);
}
.hero-media img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; }
.float-card {
  position: absolute; left: 26px; bottom: 26px; right: 26px;
  padding: 20px; border-radius: 24px;
  background: rgba(255,255,255,.82); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.66);
}
.float-card span { color: var(--muted); font-size: 14px; }
.float-card strong { display: block; font-size: 24px; margin-top: 4px; }
.section-head {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 440px);
  gap: 40px; align-items: end; margin-bottom: 44px;
}
.section-head p { color: var(--muted); margin: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.card {
  background: rgba(255,255,255,.78);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(67,126,92,.26); }
.card p { color: var(--muted); margin: 12px 0 0; }
.kicker { display: inline-block; color: var(--brand); font-size: 13px; font-weight: 700; margin-bottom: 14px; }
.video-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.video-card {
  position: relative; overflow: hidden; border-radius: 28px;
  background: var(--paper); border: 1px solid var(--line);
  box-shadow: 0 10px 34px rgba(32,49,40,.05);
}
.video-thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #eef3ed; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.01); transition: transform .42s ease; }
.play-layer {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: linear-gradient(180deg, transparent, rgba(22,33,27,.18));
  opacity: 0; transition: opacity .25s ease;
}
.play-btn {
  width: 68px; height: 68px; border-radius: 50%; border: 0;
  background: rgba(255,255,255,.92); color: var(--brand-deep);
  display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow);
}
.play-btn::before {
  content: ""; display: block; margin-left: 5px;
  border-left: 18px solid var(--brand);
  border-top: 12px solid transparent; border-bottom: 12px solid transparent;
}
.video-card:hover .play-layer, .video-card:focus-within .play-layer { opacity: 1; }
.video-card:hover img { transform: scale(1.055); }
.video-body { padding: 22px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; color: var(--muted); font-size: 13px; }
.meta-row span { padding: 5px 9px; border-radius: 999px; background: var(--soft); }
.stat-band {
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px;
  padding: 36px; border-radius: var(--radius-lg);
  background: var(--ink); color: #fff;
}
.stat-band strong { display: block; font-size: clamp(30px, 4vw, 52px); line-height: 1; }
.stat-band span { display: block; margin-top: 8px; color: rgba(255,255,255,.72); }
.review {
  min-height: 220px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.review blockquote { margin: 0; color: var(--ink); font-size: 17px; }
.review cite { margin-top: 24px; color: var(--muted); font-style: normal; }
.faq-list { display: grid; gap: 12px; }
.faq-list details {
  background: rgba(255,255,255,.84); border: 1px solid var(--line);
  border-radius: 22px; padding: 0 24px;
}
.faq-list summary {
  cursor: pointer; list-style: none; padding: 22px 0; font-weight: 700;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list p { color: var(--muted); margin: 0; padding: 0 0 22px; }
.contact-panel {
  display: grid; grid-template-columns: minmax(0, .95fr) minmax(280px, 1.05fr);
  gap: 32px; align-items: start;
  padding: 36px; border-radius: var(--radius-lg);
  background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow);
}
.contact-form { display: grid; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 18px;
  background: #fbfcf8; color: var(--ink); padding: 15px 16px; outline: 0;
}
.contact-form textarea { min-height: 132px; resize: vertical; }
.contact-form button { border: 0; border-radius: 999px; padding: 14px 20px; background: var(--brand); color: #fff; cursor: pointer; }
.share-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.share-row button {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 10px 14px; cursor: pointer; color: var(--ink);
}
.article-page .hero { min-height: auto; padding-top: 82px; padding-bottom: 56px; grid-template-columns: 1fr; }
.article-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; align-items: start;
}
.article-body {
  background: rgba(255,255,255,.82); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 42px;
}
.article-body p, .article-body li { color: var(--muted); }
.article-body h2 { margin-top: 38px; font-size: clamp(28px, 3.2vw, 42px); }
.article-body h3 { margin-top: 24px; }
.article-body ul { padding-left: 1.2em; }
.sidebar { position: sticky; top: 150px; display: grid; gap: 14px; }
.sidebar .card { padding: 22px; }
.site-footer {
  margin-top: 70px; padding: 70px 22px 26px;
  background: #1e2d25; color: #fff;
}
.footer-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: minmax(0,1.3fr) minmax(220px,.7fr) minmax(260px,.8fr); gap: 36px;
}
.footer-grid p, .footer-grid a { color: rgba(255,255,255,.72); }
.footer-grid a { display: block; margin-top: 8px; }
.footer-grid h2 { font-size: 18px; margin-bottom: 16px; }
.footer-logo { margin-bottom: 16px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-row span { border: 1px solid rgba(255,255,255,.16); padding: 6px 10px; border-radius: 999px; }
.footer-bottom {
  max-width: var(--max); margin: 42px auto 0; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.58); font-size: 14px;
}
.update-time { color: #fff !important; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .52s ease, transform .52s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.notice { color: var(--muted); font-size: 14px; }
@media (max-width: 960px) {
  .nav-wrap { flex-wrap: wrap; }
  .main-nav { order: 3; flex-basis: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 3px; }
  .hero, .section-head, .contact-panel, .article-layout { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 60px; }
  .hero-media, .hero-media img { min-height: 380px; }
  .grid-3, .video-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stat-band { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 66px 16px; }
  .nav-wrap { padding-left: 16px; padding-right: 16px; }
  .nav-cta { display: none; }
  .search-shell { max-width: calc(100% - 32px); border-radius: 24px; flex-direction: column; align-items: stretch; }
  .search-shell input, .search-shell button { width: 100%; }
  .hero-media, .hero-media img { min-height: 320px; }
  .grid-3, .grid-2, .video-grid, .stat-band { grid-template-columns: 1fr; }
  .contact-panel, .article-body { padding: 24px; border-radius: 24px; }
}