:root {
  --ink: #120e0a;
  --garage: #1d1711;
  --cream: #f8f5ef;
  --sand: #eee6db;
  --card: #fffaf3;
  --title: #25180f;
  --muted: #80684d;
  --gold: #b8874a;
  --on-dark: #fff5e7;
  --on-dark-soft: #f4ddb9;
  --wine: #7a1f2b;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--cream);
  color: var(--title);
  font-family: "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
}
a {
  color: inherit;
}
.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.gold-flow {
  background-image: linear-gradient(
    100deg,
    #8a5a2b 0%,
    #f6e7c8 16%,
    #fffaf0 30%,
    #c4924a 46%,
    #fff4de 58%,
    #7a4e24 74%,
    #f4ddb9 100%
  );
  background-size: 220% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: goldFlow 14s linear infinite;
}
@keyframes goldFlow {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 220% 50%;
  }
}
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(18, 14, 10, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}
.bar {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 4rem;
}
.mark {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--on-dark);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.mark img {
  width: 40px;
  height: 40px;
  border-radius: 0.55rem;
}
.lang {
  padding: 0.4rem 0.95rem;
  border: 1px solid rgba(184, 135, 74, 0.6);
  border-radius: 999px;
  color: var(--on-dark-soft);
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
}
.lang:hover {
  color: var(--on-dark);
}
.hero {
  background: linear-gradient(180deg, var(--ink), var(--garage));
  color: var(--on-dark);
  padding: 3.5rem 0 3rem;
}
.kicker {
  margin: 0 0 0.6rem;
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.2;
}
.lead {
  margin: 0;
  max-width: 38rem;
  color: var(--on-dark-soft);
  font-size: 1.05rem;
}
.sheet {
  margin-top: -1.5rem;
  padding-bottom: 3.5rem;
}
.card {
  padding: 1.6rem 1.5rem 1.4rem;
  border: 1px solid var(--sand);
  border-radius: 1.5rem;
  background: var(--card);
  box-shadow: 0 18px 40px rgba(37, 24, 15, 0.06);
}
.card + .card {
  margin-top: 1rem;
}
.card h2 {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}
.email {
  display: inline-block;
  margin: 0.15rem 0 1rem;
  color: var(--title);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 600;
  text-decoration: none;
  word-break: break-all;
}
.email:hover {
  color: var(--wine);
}
.btn {
  display: inline-block;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--on-dark);
  font-weight: 600;
  text-decoration: none;
}
.btn:hover {
  background: #2a2118;
}
.note {
  margin: 0 0 1rem;
  color: var(--muted);
}
ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}
ol li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  border-radius: 0.9rem;
  background: var(--cream);
}
ol span {
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
footer {
  padding: 2rem 0;
  background: var(--ink);
  color: var(--on-dark-soft);
  font-size: 0.85rem;
}
footer p {
  margin: 0.2rem 0;
}
@media (prefers-reduced-motion: reduce) {
  .gold-flow {
    animation: none;
  }
}