:root {
  --paper: #fbf7ef;
  --ink: #2a2622;
  --soft: #7c736a;
  --accent: #b0453d;
  --line: #e3d8c8;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6vh 6vw;
  background-image: radial-gradient(circle at 50% 0%, #fffdf8 0%, var(--paper) 60%);
}

.wrap { width: 100%; max-width: 32rem; text-align: center; }

.kicker {
  margin: 0 0 1.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.38em;
  color: var(--soft);
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 12vw, 4rem);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
}

.sub {
  margin: 0.9rem 0 2.6rem;
  font-size: 0.86rem;
  color: var(--soft);
  letter-spacing: 0.12em;
}

.links { display: grid; gap: 0.9rem; }

.card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.05rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fffdf9;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.06rem;
  letter-spacing: 0.14em;
  transition: border-color 0.2s, transform 0.2s;
}

.card:active { transform: scale(0.99); border-color: var(--accent); }
.card .a { color: var(--accent); font-size: 1.2rem; }

.foot {
  margin: 3.2rem 0 0;
  font-size: 0.72rem;
  color: #a9a096;
  letter-spacing: 0.2em;
}

/* 单页 */
.single { max-width: 30rem; }

.single .line {
  margin: 0;
  font-size: clamp(1.5rem, 7vw, 2.1rem);
  line-height: 1.9;
  letter-spacing: 0.16em;
}

.seal {
  display: inline-block;
  margin-top: 2.2rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
}

.back {
  display: inline-block;
  margin-top: 2.6rem;
  color: var(--soft);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2rem;
}

/* 优惠券页 */
figure { margin: 0; }

figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  background: #000;
}

figcaption {
  margin-top: 1.4rem;
  font-size: 1rem;
  line-height: 1.95;
  letter-spacing: 0.06em;
  text-align: left;
  color: #3a352f;
}