.about-nav .about-nav-download {
  min-height:40px;
  padding:10px 15px;
  border:1px solid rgba(111,164,255,.28);
  border-radius:999px;
  color:#d8e8ff;
  background:rgba(43,81,138,.2);
}

.about-actions-featured {
  display:grid;
  grid-template-columns:max-content minmax(220px,1fr) minmax(220px,1fr);
  gap:14px;
  max-width:820px;
  align-items:stretch;
}

.about-actions-featured .about-large-action {
  min-height:68px;
  padding:0 28px;
  border-radius:18px;
  font-size:17px;
}

.about-actions-featured .about-secondary {
  grid-column:1 / 2;
  min-width:190px;
}

.about-download-action {
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:76px;
  padding:12px 20px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  border-radius:20px;
  color:#fff;
  text-decoration:none;
  box-shadow:0 18px 42px rgba(0,0,0,.26);
  transition:transform .18s ease,filter .18s ease,border-color .18s ease,box-shadow .18s ease;
}

.about-download-action::after {
  content:"";
  position:absolute;
  width:120px;
  height:120px;
  right:-54px;
  top:-58px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  filter:blur(2px);
}

.about-download-action:hover {
  transform:translateY(-3px);
  filter:brightness(1.06);
  border-color:rgba(255,255,255,.22);
  box-shadow:0 24px 54px rgba(0,0,0,.34);
}

.about-download-web {
  background:linear-gradient(135deg,#1c4e85 0%,#366fbc 52%,#735ed4 100%);
}

.about-download-android {
  background:linear-gradient(135deg,#8f4058 0%,#b64c72 48%,#775bd7 100%);
}

.download-action-mark {
  position:relative;
  z-index:1;
  display:grid;
  place-items:center;
  flex:0 0 44px;
  width:44px;
  height:44px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:14px;
  color:#fff;
  background:rgba(7,11,18,.28);
  box-shadow:0 8px 24px rgba(0,0,0,.18) inset;
  font-size:15px;
  font-weight:950;
  letter-spacing:-.03em;
}

.download-action-copy {
  position:relative;
  z-index:1;
  display:grid;
  gap:3px;
  min-width:0;
}

.download-action-copy strong {
  color:#fff;
  font-size:16px;
  line-height:1.15;
  letter-spacing:-.02em;
}

.download-action-copy small {
  color:rgba(255,255,255,.72);
  font-size:11px;
  font-weight:700;
}

.about-install-guide-link {
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:16px;
  color:#91b9ef;
  font-size:12px;
  font-weight:780;
  text-decoration:none;
}

.about-install-guide-link:hover {
  color:#fff;
}

.about-download-band {
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(440px,.95fr);
  gap:clamp(30px,5vw,68px);
  align-items:center;
  margin:0 0 70px;
  padding:clamp(30px,5vw,58px);
  overflow:hidden;
  border:1px solid #263955;
  border-radius:32px;
  background:
    radial-gradient(circle at 92% 8%,rgba(105,167,255,.19),transparent 32%),
    radial-gradient(circle at 8% 90%,rgba(239,83,98,.13),transparent 34%),
    linear-gradient(155deg,#101b2b,#0b1320 62%,#0a111b);
  box-shadow:0 30px 80px rgba(0,0,0,.25);
}

.about-download-band-copy h2 {
  max-width:690px;
  margin:10px 0 14px;
  color:#fff;
  font-size:clamp(34px,4.2vw,58px);
  line-height:1.02;
  letter-spacing:-.045em;
}

.about-download-band-copy p {
  max-width:650px;
  margin:0;
  color:#97a7bb;
  font-size:15px;
  line-height:1.65;
}

.about-download-band-actions {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}

.about-download-band-actions .about-download-action {
  min-height:88px;
}

.about-install-guide-button {
  grid-column:1 / -1;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:12px 18px;
  border:1px solid rgba(141,185,255,.28);
  border-radius:16px;
  color:#dce9fb;
  background:#111c2b;
  font-size:13px;
  font-weight:820;
  text-decoration:none;
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}

.about-install-guide-button:hover {
  transform:translateY(-2px);
  border-color:rgba(141,185,255,.48);
  background:#17253a;
}

@media (max-width:1080px) {
  .about-actions-featured {
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .about-actions-featured .about-secondary {
    grid-column:auto;
  }

  .about-download-band {
    grid-template-columns:1fr;
  }
}

@media (max-width:760px) {
  .about-nav .about-nav-download {
    padding:8px 12px;
  }

  .about-actions-featured {
    display:grid;
    grid-template-columns:1fr;
    width:100%;
    max-width:520px;
  }

  .about-actions-featured .about-large-action,
  .about-actions-featured .about-download-action {
    width:100%;
    min-height:64px;
  }

  .about-download-band {
    padding:28px 22px;
    border-radius:25px;
  }

  .about-download-band-actions {
    grid-template-columns:1fr;
  }

  .about-install-guide-button {
    grid-column:1;
  }
}

@media (max-width:480px) {
  .about-download-action {
    min-height:72px;
    padding:11px 15px;
    border-radius:17px;
  }

  .download-action-mark {
    flex-basis:40px;
    width:40px;
    height:40px;
    border-radius:12px;
  }

  .download-action-copy strong {
    font-size:15px;
  }

  .about-actions-featured .about-large-action {
    min-height:60px;
    font-size:16px;
  }
}