:root {
  --red: #c8102e;
  --red-deep: #8c0a1f;
  --gold: #f5c542;
  --gold-soft: #f7d774;
  --ink: #2b1a14;
  --cream: #fff6e9;
  --paper: #fdf3e3;
  --shadow: 0 18px 40px rgba(140, 10, 31, 0.18);
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(18px, 5vw, 56px);
  background: rgba(200, 16, 46, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 18px rgba(0,0,0,.12);
  transition: background .3s;
}
.nav__brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.nav__seal {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  background: var(--gold);
  color: var(--red-deep);
  font-weight: 800; font-size: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,.2);
}
.nav__title { font-weight: 700; letter-spacing: 2px; font-size: 18px; }
.nav__links { display: flex; gap: clamp(14px, 3vw, 34px); }
.nav__links a {
  color: #ffe9c7; font-weight: 600; font-size: 15px;
  position: relative; padding: 4px 0;
  transition: color .25s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--gold); transition: width .25s;
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { width: 100%; }
.nav__toggle {
  display: none; background: none; border: none; color: #fff;
  font-size: 24px; cursor: pointer;
}

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid; place-items: center;
  text-align: center;
  padding: 120px 20px 80px;
  background:
    radial-gradient(circle at 20% 20%, rgba(245,197,66,.25), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(245,197,66,.18), transparent 45%),
    linear-gradient(160deg, #d3122f 0%, #a30d24 60%, #7c0a1b 100%);
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 3; max-width: 760px; }
.hero__eyebrow {
  color: var(--gold-soft); letter-spacing: 4px; font-weight: 600;
  margin-bottom: 18px; text-transform: uppercase; font-size: 13px;
}
.hero__title {
  font-size: clamp(86px, 22vw, 220px);
  color: var(--gold);
  font-weight: 900;
  letter-spacing: 12px;
  text-shadow: 0 6px 30px rgba(0,0,0,.35);
  line-height: 1;
}
.hero__subtitle {
  color: #fff; font-size: clamp(18px, 3vw, 28px);
  font-weight: 600; margin-top: 18px; letter-spacing: 3px;
}
.hero__desc {
  color: #ffe9c7; max-width: 540px; margin: 22px auto 34px;
  font-size: 16px;
}
.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 999px;
  font-weight: 700; letter-spacing: 1px; transition: transform .2s, box-shadow .2s;
}
.btn--gold { background: var(--gold); color: var(--red-deep); box-shadow: 0 8px 20px rgba(245,197,66,.4); }
.btn--ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); }
.btn:hover { transform: translateY(-3px); }
.hero__fu {
  position: absolute; right: 6%; bottom: 12%;
  width: clamp(90px, 14vw, 160px); height: clamp(90px, 14vw, 160px);
  background: var(--gold); color: var(--red);
  display: grid; place-items: center; font-size: clamp(48px, 8vw, 92px);
  font-weight: 900; border-radius: 14px; transform: rotate(-8deg);
  box-shadow: 0 12px 30px rgba(0,0,0,.3); z-index: 2;
}

/* 灯笼 */
.lanterns { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.lantern {
  position: absolute; top: -40px;
  width: 60px; height: 78px;
  background: radial-gradient(circle at 50% 35%, #ff5a5a, #c8102e 70%);
  border-radius: 50% / 42%;
  box-shadow: 0 0 26px rgba(255,120,120,.55);
  animation: swing 3.6s ease-in-out infinite;
}
.lantern::before, .lantern::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  width: 26px; height: 8px; background: var(--gold); border-radius: 3px;
}
.lantern::before { top: -8px; }
.lantern::after { bottom: -10px; height: 16px; background: linear-gradient(var(--gold), #d99b1f); }
.lantern--1 { left: 14%; animation-delay: 0s; }
.lantern--2 { left: 80%; transform: scale(1.2); animation-delay: .6s; }
.lantern--3 { left: 46%; transform: scale(.85); animation-delay: 1.2s; }
@keyframes swing {
  0%,100% { transform: rotate(-6deg); }
  50% { transform: rotate(6deg); }
}
.lantern--2 { animation-name: swing2; }
@keyframes swing2 { 0%,100%{transform:scale(1.2) rotate(6deg);} 50%{transform:scale(1.2) rotate(-6deg);} }
.lantern--3 { animation-name: swing3; }
@keyframes swing3 { 0%,100%{transform:scale(.85) rotate(-5deg);} 50%{transform:scale(.85) rotate(5deg);} }

/* 落花/雪 */
.snow { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.petal {
  position: absolute; top: -20px;
  width: 12px; height: 12px; border-radius: 50% 0 50% 50%;
  background: var(--gold-soft); opacity: .8;
  animation: fall linear infinite;
}
@keyframes fall {
  0% { transform: translateY(-20px) rotate(0); opacity: .9; }
  100% { transform: translateY(105vh) rotate(360deg); opacity: .2; }
}

/* ---------- 通用 section ---------- */
.section { padding: clamp(64px, 9vw, 120px) clamp(18px, 5vw, 56px); max-width: var(--maxw); margin: 0 auto; }
.section__head { text-align: center; margin-bottom: 54px; }
.section__num {
  display: inline-block; color: var(--red); font-weight: 800; font-size: 15px;
  letter-spacing: 3px; border: 1px solid var(--red); padding: 4px 14px;
  border-radius: 999px; margin-bottom: 14px;
}
.section__title {
  font-size: clamp(30px, 5vw, 46px); color: var(--red-deep); font-weight: 800; letter-spacing: 2px;
}
.section__lead { color: #8a6d55; margin-top: 10px; font-size: 16px; }

/* 卡片 */
.cards { display: grid; gap: 22px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--paper); border-radius: 18px; padding: 30px 26px;
  border: 1px solid rgba(200,16,46,.12);
  box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-6px); }
.card__icon { font-size: 42px; margin-bottom: 14px; }
.card h3 { color: var(--red-deep); font-size: 21px; margin-bottom: 8px; }
.card p { color: #5a4636; font-size: 15px; }

/* 习俗网格 */
.grid--2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature {
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff; border-radius: 16px; padding: 24px;
  border-left: 5px solid var(--red);
  box-shadow: var(--shadow); transition: transform .25s;
}
.feature:hover { transform: translateX(6px); }
.feature__emoji { font-size: 40px; line-height: 1; }
.feature h3 { color: var(--red-deep); font-size: 19px; margin-bottom: 6px; }
.feature p { color: #5a4636; font-size: 15px; }

/* 生肖 */
.section--zodiac { background: linear-gradient(180deg, #fff6e9, #ffe8cf); max-width: none; }
.section--zodiac > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.zodiac { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.zitem {
  background: #fff; border-radius: 14px; padding: 18px 10px; text-align: center;
  border: 1px solid rgba(200,16,46,.14); transition: transform .25s, background .25s;
}
.zitem:hover { transform: translateY(-5px); background: var(--red); color: #fff; }
.zitem .z-emoji { font-size: 36px; }
.zitem .z-name { font-weight: 700; margin-top: 6px; }
.zitem .z-order { font-size: 12px; color: #b58a5e; }
.zitem:hover .z-order { color: #ffe9c7; }

/* 美食配色 */
.section--food { background: var(--cream); }

/* 祝福 */
.blessing {
  text-align: center; padding: clamp(60px, 10vw, 120px) 20px;
  background: linear-gradient(135deg, #c8102e, #8c0a1f); color: var(--gold);
}
.blessing__text { font-size: clamp(26px, 5vw, 48px); font-weight: 800; letter-spacing: 4px; }
.blessing__sub { color: #ffe9c7; margin-top: 12px; letter-spacing: 3px; }

/* 团队 */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.member {
  background: var(--paper); border-radius: 20px; padding: 40px 24px; text-align: center;
  box-shadow: var(--shadow); border-top: 6px solid var(--gold);
  transition: transform .25s;
}
.member:hover { transform: translateY(-6px); }
.member__avatar {
  width: 88px; height: 88px; margin: 0 auto 18px;
  display: grid; place-items: center; font-size: 40px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  border-radius: 50%; box-shadow: 0 10px 24px rgba(140,10,31,.35);
}
.member h3 { color: var(--red-deep); font-size: 24px; }
.member__en { color: #9a7a5c; letter-spacing: 1px; }

/* 页脚 */
.footer { background: #2b0a10; color: #e9c9a0; text-align: center; padding: 36px 20px; }
.footer__small { color: #b08a64; margin-top: 8px; font-size: 14px; }

/* 滚动揭示动画 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .cards--3, .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .zodiac { grid-template-columns: repeat(4, 1fr); }
  .team { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
}
@media (max-width: 620px) {
  .nav__links {
    position: absolute; top: 100%; right: 0; left: 0;
    flex-direction: column; gap: 0; background: rgba(140,10,31,.98);
    max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .nav__links.open { max-height: 320px; }
  .nav__links a { padding: 14px 24px; border-top: 1px solid rgba(255,255,255,.12); }
  .nav__toggle { display: block; }
  .cards--3, .cards--4 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .zodiac { grid-template-columns: repeat(3, 1fr); }
  .hero__fu { right: 4%; bottom: 8%; }
}