:root {
  --bg: #faf6ef;
  --bg-2: #fff;
  --fg: #2a2520;
  --muted: #9c9388;
  --line: #ece4d6;

  --ji: #e8b86a;
  --shun: #c2c79c;
  --xiong: #b6a39a;

  --shadow: 0 8px 24px rgba(80, 60, 30, 0.06);
  --shadow-hover: 0 12px 32px rgba(80, 60, 30, 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === Hero === */
.hero {
  text-align: center;
  padding: 8rem 1.5rem 4rem;
}

.logo {
  font-size: clamp(4rem, 14vw, 7rem);
  letter-spacing: 0.15em;
  font-weight: 500;
  line-height: 1;
}

.tagline {
  color: var(--muted);
  font-size: 1rem;
  letter-spacing: 0.4em;
  margin-top: 0.75rem;
  text-transform: lowercase;
}

.subtitle {
  margin-top: 2.5rem;
  font-size: 1.15rem;
  color: var(--fg);
  opacity: 0.85;
}

.status {
  margin-top: 0.75rem;
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* === Cards Section === */
.cards {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-2);
  border-radius: 24px;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 4px solid var(--shun);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.card--ji    { border-top-color: var(--ji); }
.card--shun  { border-top-color: var(--shun); }
.card--xiong { border-top-color: var(--xiong); }

.card__date {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-align: center;
}

.card__pet {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--line);
}
.card__avatar {
  font-size: 2.5rem;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: var(--bg);
  border-radius: 50%;
}
.card__name {
  font-size: 1.1rem;
  font-weight: 600;
}
.card__breed {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.card__score {
  text-align: center;
  padding: 0.5rem 0;
}
.card__rank {
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.3em;
}
.card__num {
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.1;
  margin-top: 0.25rem;
}
.card--ji    .card__num { color: var(--ji); }
.card--shun  .card__num { color: var(--shun); }
.card--xiong .card__num { color: var(--xiong); }

.card__subs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1rem;
  font-size: 0.85rem;
}
.card__subs > div {
  display: flex;
  justify-content: space-between;
  color: var(--fg);
}
.card__subs span:first-child { color: var(--muted); }

.card__yi-ji {
  padding: 0.85rem 1rem;
  background: var(--bg);
  border-radius: 12px;
  font-size: 0.85rem;
  display: grid;
  gap: 0.3rem;
}
.card__yi-ji b {
  color: var(--muted);
  font-weight: 500;
  margin-right: 0.5rem;
}

.card__sign {
  text-align: center;
  font-size: 1rem;
  letter-spacing: 0.05em;
  padding: 0.75rem 0 0.25rem;
  color: var(--fg);
  font-weight: 500;
}

/* === How === */
.how {
  max-width: 720px;
  margin: 4rem auto 2rem;
  padding: 2.5rem 1.5rem;
  background: var(--bg-2);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.how h2 {
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.how ol {
  list-style: none;
  counter-reset: step;
}
.how li {
  counter-increment: step;
  padding: 0.75rem 0 0.75rem 2.5rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--fg);
  opacity: 0.9;
  border-bottom: 1px dashed var(--line);
}
.how li:last-child { border-bottom: none; }
.how li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--ji);
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 500;
}
.how b { font-weight: 600; margin-right: 0.5rem; }

/* === Footer === */
footer {
  text-align: center;
  padding: 3rem 1.5rem 4rem;
  color: var(--muted);
  font-size: 0.8rem;
}

/* === Mobile tweaks === */
@media (max-width: 640px) {
  .hero { padding: 5rem 1.5rem 2.5rem; }
  .cards { padding: 1rem; }
  .how { margin: 2.5rem 1rem 1rem; padding: 2rem 1.25rem; }
}