:root{
  --bg:#f7f7f7;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --shadow: 0 6px 20px rgba(0,0,0,0.06);

  --accent1:#ffb347;
  --accent2:#ffcc33;
  --blue:#1976d2;

  --radius:14px;
  --radius-sm:10px;
  --pad:16px;
  --max: 980px;
}

*{ box-sizing:border-box; }

html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a{ color:inherit; text-decoration:none; }
a.link{ color:var(--blue); text-decoration:none; }
a.link:hover{ text-decoration:underline; }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 16px 56px;
}

.header{
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  padding: 22px 16px;
  text-align:center;
  color:#222;
}

.header h1{
  margin:0;
  font-size: 1.75rem;
}

.header p{
  margin:6px 0 0;
  color: rgba(0,0,0,0.65);
  font-size: 0.95rem;
}

.bar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin: 14px 0 10px;
}

.pill{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding: 8px 12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,0.65);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--muted);
}

.card{
  background:var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card.pad{ padding: var(--pad); }

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.col-12{ grid-column: span 12; }
.col-8{ grid-column: span 8; }
.col-6{ grid-column: span 6; }
.col-4{ grid-column: span 4; }

@media (max-width: 860px){
  .col-8,.col-6,.col-4{ grid-column: span 12; }
}

.section-title{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 10px;
  margin: 0 0 10px;
}

.section-title h2{
  margin:0;
  font-size: 1.15rem;
}

.section-title .hint{
  color: var(--muted);
  font-size: 0.85rem;
}

.row{
  display:flex;
  gap: 12px;
  align-items:flex-start;
}

.num{
  width: 42px;
  flex: 0 0 42px;
  text-align:center;
  font-weight: 700;
  color: #ff9800;
  padding-top: 2px;
}

.fr{
  font-weight: 650;
  margin: 0 0 4px;
}

.muted{
  color: var(--muted);
  font-size: 0.9rem;
}

.actions{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:flex-end;
  flex-wrap:wrap;
}

.btn{
  appearance:none;
  border:none;
  background:#ff9800;
  color:#fff;
  padding: 8px 12px;
  border-radius: 999px;
  cursor:pointer;
  font-size: 0.9rem;
  display:inline-flex;
  gap:8px;
  align-items:center;
}
.btn:hover{ opacity:0.92; }

.btn.secondary{
  background:#111827;
}

.btn.ghost{
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--border);
}
.btn.ghost:hover{
  background: rgba(25,118,210,0.06);
}

.divider{
  height:1px;
  background: var(--border);
  margin: 12px 0;
}

details.zh{
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  background: rgba(0,0,0,0.02);
}
details.zh > summary{
  cursor:pointer;
  list-style:none;
  font-size: 0.9rem;
  color: var(--muted);
}
details.zh[open] > summary{
  color: #374151;
  font-weight: 600;
}
details.zh .zh-text{
  padding-top: 8px;
  font-size: 0.95rem;
  color: #374151;
  line-height: 1.45;
}

.list{
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.item{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 12px;
  background: #fff;
}

.kv{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer{
  text-align:center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 18px 0 36px;
}