/* ============ 文章详情页 ============ */
.article-hero {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 60%, var(--navy-soft) 100%);
  color: #fff;
  padding: 64px 0 56px;
}
.article-breadcrumb { font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 14px; }
.article-breadcrumb a { color: var(--gold); }
.article-breadcrumb a:hover { text-decoration: underline; }
.article-hero h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 10px; }
.article-meta { font-size: 14px; color: rgba(255,255,255,.7); }

.article-body { padding-top: 48px; padding-bottom: 72px; }
.article-lead {
  font-size: 16px; color: var(--text); background: #fff;
  border-left: 4px solid var(--gold); padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0; margin-bottom: 40px;
}
.app-group-title {
  font-size: 22px; color: var(--navy-deep); margin: 36px 0 20px;
  padding-left: 14px; border-left: 4px solid var(--gold);
}
.app-card { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.app-card h3 { font-size: 17px; color: var(--navy-deep); }
.app-card p { font-size: 13.5px; color: var(--text-light); flex: 1; }
.app-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700;
}
.app-tip { font-size: 13px; color: var(--text-light); background: var(--bg); border-radius: 8px; padding: 8px 12px; }
.app-qr {
  width: 100%; display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px;
}
.app-qr .qr {
  width: 96px; height: 96px; background: #fff; border-radius: 6px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.app-qr .qr img, .app-qr .qr canvas { display: block; }
.app-qr span { font-size: 12px; color: var(--text-light); }
.app-qr img { width: 100%; max-width: 92px; height: auto; display: block; border-radius: 4px; }
.app-qr-group { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
.app-qr-group .app-qr { padding: 8px; gap: 4px; }
.app-links { display: flex; gap: 8px; width: 100%; flex-wrap: wrap; }
.btn-mini { padding: 7px 12px; font-size: 13px; border-radius: 6px; flex: 1; text-align: center; }
.btn-android { background: #0ea55e; color: #fff; }
.btn-android:hover { background: #0c8f51; }
.btn-ios { background: #0a84ff; color: #fff; }
.btn-ios:hover { background: #0973d6; }
.btn-web { background: var(--navy); color: #fff; }
.btn-web:hover { background: var(--navy-soft); }
.btn-win { background: #6366f1; color: #fff; }
.btn-win:hover { background: #5257e5; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.article-note {
  margin-top: 44px; background: #fff; border: 1px dashed var(--line);
  border-radius: var(--radius); padding: 18px 22px; font-size: 14px; color: var(--text-light);
}
.article-note strong { color: var(--navy); }
.article-note a { color: var(--navy); font-weight: 600; }
.article-back { margin-top: 28px; }

/* 文章页三列网格 */
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-3 { grid-template-columns: 1fr; } }

/* 文章页头部导航：移动端直接隐藏（无折叠按钮） */
@media (max-width: 960px) {
  .header .nav { display: none !important; }
}