* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: Arial, "Microsoft YaHei", sans-serif; color: #333; background: #f7f7f7; line-height: 1.7; overflow-wrap: break-word; }
img { max-width: 100%; height: auto; }
header { background: #ff6b35; color: #fff; }
.wrap { max-width: 1080px; margin: 0 auto; }
.brand { padding: 26px 0 18px; }
.brand h1 { margin: 0; font-size: 30px; line-height: 1.3; }
.brand p { margin: 8px 0 0; color: #fff4ee; }
nav { background: #222; }
nav .wrap { display: flex; flex-wrap: wrap;  }
nav a { display: block; padding: 12px 14px; color: #fff; text-decoration: none; font-size: 15px; }
nav a:hover, nav a.active { background: #ff6b35; }
main { padding: 28px 0 42px; }
.panel { background: #fff; border: 1px solid #e7e7e7; border-radius: 6px; padding: 26px; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 18px; font-size: 14px; color: #777; background: none;}
.breadcrumb a { color: #777; text-decoration: none; flex:none;}
.breadcrumb a:hover { color: #e75721; background: none;}
.breadcrumb .sep { color: #bbb; }
h2 { margin: 0 0 12px; font-size: 24px; color: #222; }
.lead { margin-top: 0; }
.columns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 22px; }
.intro { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.quick-list, .text-list, .gallery, .audio-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 22px; }
.column, .intro div, .quick-list article, .text-list article, .photo, .gif, .audio-card, .item, .joke { border: 1px solid #eee; border-radius: 6px; padding: 16px; background: #fffdfb; }
.column h3, .intro h3, .quick-list h3, .text-list h3, .photo h3, .gif h3, .audio-card h3, .item h3, .joke h3 { margin: 0 0 8px; font-size: 18px; color: #222; }
.column p, .intro p, .quick-list p, .text-list p, .photo p, .gif p, .audio-card p, .item p, .joke p { margin: 0; color: #666; }
.column a,.quick-list article a  { color: #e75721; text-decoration: none; font-weight: bold; }
.feed, .list { margin-top: 22px; display: grid; gap: 14px; }
.feed article, .list article { border-bottom: 1px solid #eee; padding-bottom: 14px; }
.feed h3, .list h3 { margin: 0 0 6px; font-size: 18px; color: #222; }
.feed p, .list p { margin: 0; white-space: pre-line; }
.section-title { margin: 30px 0 12px; font-size: 22px; color: #222; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.tags span, .tags a { display: inline-block; padding: 6px 12px; border: 1px solid #eee; border-radius: 18px; background: #fffaf7; color: #555; text-decoration: none; }
.tags a:hover { border-color: #ff6b35; color: #e75721; }
.tags a.active { border-color: #ff6b35; background: #fff1e9; color: #e75721; font-weight: bold; }
.photo img, .gif img { display: block; width: auto; max-width: min(300px, 100%); max-height: 300px; margin: 0 auto 12px; object-fit: contain; border-radius: 4px; background: #eee; }
.audio-card audio { display: block; width: 100%; margin: 14px 0 10px; }
footer { padding: 22px 0; color: #777; text-align: center; border-top: 1px solid #e5e5e5; background: #fff; }
footer p { margin: 4px 0; }
footer a { color: #777; text-decoration: none; }

@media (max-width: 720px) {
  .wrap { padding: 0 14px; }
  .brand { padding: 22px 10px 16px; }
  .brand h1 { font-size: 24px; }
  .brand p { font-size: 15px; }
  nav .wrap { padding: 0; }
  nav a { flex: 1 0 50%; text-align: center; padding: 12px 8px; font-size: 15px; }
  main { padding: 18px 0 30px; }
  h2 { font-size: 22px; }
  .breadcrumb {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    gap: 6px;
    margin-bottom: 14px;
    padding-bottom: 2px;
  }
  .breadcrumb::-webkit-scrollbar { display: none; }
  .columns, .intro, .quick-list, .text-list, .gallery, .audio-list { grid-template-columns: 1fr; }
  .panel { padding: 18px; border-radius: 0; }
  .breadcrumb { font-size: 13px; margin-bottom: 14px; }
  .column, .intro div, .quick-list article, .text-list article, .photo, .gif, .audio-card, .item, .joke { padding: 14px; }
  .feed h3, .list h3, .photo h3, .gif h3, .audio-card h3, .item h3, .joke h3 { font-size: 17px; }
}

@media (max-width: 360px) {
  nav a { flex-basis: 100%; }
  .panel { padding: 16px; }
}