:root{
  --bg:#f5f6f8; --card:#fff; --text:#12161c; --muted:#6b7280;
  --line:#e5e7eb; --brand:#0b3d91; --brand-soft:#e8eefb;
  --warn-bg:#fff3cd; --warn-text:#7a4d00; --radius:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{margin:0;padding:0;max-width:100%;overflow-x:hidden}
img,svg,video{max-width:100%;height:auto}
body{
  background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang HK","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.5;padding-bottom:24px;
}
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:12px 16px;background:var(--brand);color:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,.12);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.logo{
  display:grid;place-items:center;width:36px;height:36px;border-radius:10px;
  background:#fff;color:var(--brand);font-weight:700;font-size:18px;flex:0 0 auto;
}
.topbar h1{font-size:18px;margin:0;line-height:1.2}
.sub{margin:0;font-size:11px;opacity:.85}
.icon-btn{
  background:rgba(255,255,255,.16);color:#fff;border:0;border-radius:999px;
  padding:7px 14px;font-size:13px;font-weight:600;
}
.notice{
  margin:10px 16px 0;padding:10px 12px;border-radius:10px;
  background:var(--warn-bg);color:var(--warn-text);font-size:13px;line-height:1.45;
}
.searchwrap{position:relative;margin:12px 16px 8px}
#q{
  width:100%;padding:12px 40px 12px 14px;border:1px solid var(--line);border-radius:12px;
  background:var(--card);font-size:15px;outline:none;
}
#q:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.clear{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  border:0;background:transparent;font-size:20px;color:var(--muted);padding:6px 10px;
}
.tabs{
  display:flex;gap:8px;overflow-x:auto;overflow-y:hidden;padding:4px 16px 10px;
  scrollbar-width:none;max-width:100%;-webkit-overflow-scrolling:touch;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);color:var(--text);font-size:14px;white-space:nowrap;
}
.tab.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.list{display:flex;flex-direction:column;gap:10px;padding:0 16px}
.card{
  background:var(--card);border-radius:var(--radius);padding:14px;
  box-shadow:0 1px 2px rgba(16,24,40,.06);border:1px solid var(--line);
}
.card:active{background:#fafbfc}
.card h3{margin:0 0 6px;font-size:16px;line-height:1.4;font-weight:600;overflow-wrap:anywhere;word-break:break-word}
.card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}
.chip{
  display:inline-block;padding:2px 8px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand);font-size:11.5px;font-weight:600;
}
.time{color:var(--muted);font-size:12px}
.src{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%}
.empty{padding:48px 24px;text-align:center;color:var(--muted)}
.empty .hint{font-size:13px}
.foot{padding:22px 16px 10px;text-align:center;color:var(--muted);font-size:12px}
.foot p{margin:4px 0}
.disclaimer{font-size:11px;line-height:1.5;opacity:.85}
.sheet{
  position:fixed;inset:0;z-index:50;background:rgba(10,15,25,.45);
  display:flex;align-items:flex-end;overflow:hidden;
}
.sheet-inner{
  background:var(--card);width:100%;max-height:88vh;overflow:auto;
  border-radius:18px 18px 0 0;padding:20px 18px 28px;position:relative;
  animation:up .22s ease-out;
}
@keyframes up{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}}
.sheet-close{
  position:absolute;right:10px;top:8px;border:0;background:transparent;
  font-size:26px;color:var(--muted);padding:4px 10px;
}
.sheet h2{font-size:19px;line-height:1.4;margin:10px 0 8px}
.dmeta{color:var(--muted);font-size:12.5px;margin:0 0 12px}
.dsum{font-size:15px;line-height:1.7;margin:0 0 18px;white-space:pre-wrap}
.sheet-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{
  flex:1 1 140px;text-align:center;padding:12px 16px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);color:var(--text);
  font-size:15px;font-weight:600;text-decoration:none;
}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
@media (min-width:720px){
  body{max-width:720px;margin:0 auto}
  .list{padding:0 24px}
}

/* 收藏按钮 */
.fav{
  border:0;background:transparent;font-size:18px;line-height:1;
  color:#c3c8d2;margin-left:auto;padding:0 4px;
}
.fav.on{color:#f5a623}