/* 下载页：平台货架、文件说明与架构核对。公共组件由共享样式提供。 */
.package-intro {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: 64px;
  padding-bottom: 56px;
  background: linear-gradient(180deg, var(--bg), var(--bg-panel));
}
.package-intro::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 58% -15% -50% 30%;
  pointer-events: none;
  background: radial-gradient(ellipse at 60% 80%, rgb(var(--glow-a-rgb) / .22), var(--clear) 65%);
}
.package-intro-copy {
  max-width: 820px;
}
.package-intro-copy h1 {
  margin-top: 24px;
  margin-bottom: 22px;
}
.package-summary {
  max-width: 650px;
  margin-bottom: 24px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-muted);
}
.package-intro-links {
  gap: 16px 28px;
  font-size: 14px;
}
.package-intro-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration-color: rgb(var(--muted-rgb) / .5);
}
.package-checklist {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid rgb(var(--border-rgb) / .8);
}
.package-checklist > div {
  min-width: 0;
}
.package-step {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.package-checklist p {
  margin-top: 10px;
  margin-bottom: 4px;
  font-size: 17px;
}
.package-checklist .muted {
  font-size: 13px;
}
.package-shelf {
  padding-top: 24px;
}
.package-platform-head {
  max-width: 820px;
  margin-top: 40px;
  margin-bottom: 32px;
}
.package-platform-head h2 {
  margin-top: 0;
  margin-bottom: 16px;
}
.package-platform-head p {
  margin-bottom: 0;
  color: var(--text-muted);
  line-height: 1.85;
}
.package-cards {
  align-items: stretch;
}
.package-cards .client-card,
.package-ios-card .client-card {
  background: linear-gradient(145deg, var(--bg-panel-2), var(--ink-window));
}
.package-cards .client-card p,
.package-ios-card .client-card p {
  margin-bottom: 0;
  color: var(--text-muted);
}
.package-cards .client-head,
.package-ios-card .client-head {
  flex-wrap: nowrap;
  align-items: flex-start;
}
.package-cards .client-head h3,
.package-ios-card .client-head h3 {
  overflow-wrap: anywhere;
}
.package-cards .client-head .badge,
.package-ios-card .client-head .badge {
  vertical-align: middle;
}
.package-cards .client-actions,
.package-ios-card .client-actions {
  align-items: stretch;
  gap: 12px;
}
.package-cards .client-actions .btn,
.package-ios-card .client-actions .btn {
  width: 100%;
  min-height: 50px;
  padding-inline: 16px;
  white-space: normal;
  overflow-wrap: anywhere;
}
.package-site {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}
.package-site:hover {
  color: var(--text);
}
.package-requirements {
  margin-top: 44px;
}
.package-requirements h3 {
  margin-top: 0;
  margin-bottom: 20px;
}
.package-requirements caption,
.package-core-table caption {
  padding: 14px 18px;
  background: var(--ink-chrome);
  color: var(--text-muted);
  text-align: left;
  font-size: 12px;
}
.package-requirements th:first-child {
  width: 22%;
}
.package-ios-card {
  max-width: 760px;
}
.package-core-table {
  margin-top: 28px;
}
.package-core-table .btn {
  min-height: 48px;
  width: 100%;
  white-space: nowrap;
}
.package-core-table td:last-child {
  min-width: 250px;
}
.package-followup {
  margin-top: 24px;
  font-size: 14px;
}
.package-aftercare {
  position: relative;
  isolation: isolate;
  padding-top: 0;
}
.package-aftercare::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 0 50%, rgb(var(--glow-a-rgb) / .1), var(--clear) 65%);
}
.package-aftercare-text {
  min-width: 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.package-aftercare-text h3 {
  margin-top: 0;
  margin-bottom: 20px;
}
.package-aftercare-text p {
  color: var(--text-muted);
  line-height: 1.85;
}
.package-aftercare-text > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
}
.package-faq {
  padding-top: 0;
}
@media (max-width: 768px) {
  .package-intro {
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .package-summary {
    font-size: 16px;
  }
  .package-checklist {
    gap: 16px;
  }
  .package-cards {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .package-checklist {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 28px;
  }
  .package-checklist p {
    margin-top: 4px;
  }
  .package-platform-head {
    margin-top: 32px;
  }
  .package-cards .client-head,
  .package-ios-card .client-head {
    gap: 12px;
  }
  .package-cards .client-head h3,
  .package-ios-card .client-head h3 {
    font-size: 20px;
  }
  .package-cards .client-head .badge,
  .package-ios-card .client-head .badge {
    margin-top: 5px;
  }
}