:root{
  --bg: #eaf3ea;
  --card: rgba(255,255,255,0.78);
  --ink: #111;
  --muted: rgba(0,0,0,0.62);
  --rule: rgba(0,0,0,0.12);
  --accent: #2f6f3e;
}

*{ box-sizing: border-box; }

html, body{
  margin:0;
  padding:0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Times New Roman", Times, serif;
}

.page{
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.corner{
  position: fixed;
  width: 340px;
  height: 340px;
  pointer-events: none;
  opacity: 0.6;
}

.corner.tl{
  top:-70px; left:-70px;
  transform: rotate(-12deg);
}
.corner.br{
  bottom:-70px; right:-70px;
  transform: rotate(168deg);
}

.wrap{
  max-width: 720px;
  margin: 0 auto;
  padding: 18px 14px 36px;
}

.header{
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 14px 14px 12px;
  margin: 10px 0 14px;
}

h1{
  margin:0 0 6px;
  font-size: 22px;
}
.sub{
  margin:0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.35;
}

.nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 10px;
}

a.btn{
  display:inline-block;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--rule);
  background: rgba(255,255,255,0.7);
  color: var(--ink);
  text-decoration: none;
}

a.btn:active{ transform: translateY(1px); }

.block{
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 10px 12px;
}

.item{
  padding: 12px 2px;
  border-bottom: 1px solid var(--rule);
}
.item:last-child{ border-bottom:0; }

.q{
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
}
.meta{
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.thumb{
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--rule);
}

.caption{
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.twoCol{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 700px){
  .twoCol{ grid-template-columns: 1fr 1fr; }
}

ul, ol { margin: 8px 0 8px 20px; }
li { margin: 6px 0; }

.footer{
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.answerline{
  display:inline-block;
  border-bottom: 1px solid rgba(0,0,0,0.35);
  min-width: 140px;
  height: 0.95em;
  vertical-align: -0.1em;
}