:root{
  --bg:#faf6ee;
  --bg-soft:#f5efe2;
  --paper:#fffdf9;
  --line:#e8dbc5;
  --ink:#36291d;
  --ink-soft:#7e6d58;
  --gold:#b89158;
  --gold-soft:#d9bd8f;
  --shadow:0 24px 56px rgba(98,72,41,.07);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC","PingFang SC","Microsoft YaHei",serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}

.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:40;
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 max(18px,calc((100vw - 1160px)/2));
  background:rgba(250,246,238,.82);
  border-bottom:1px solid rgba(184,145,88,.08);
  backdrop-filter:blur(14px);
}
.brand{
  font-size:14px;
  letter-spacing:5px;
}
.nav{
  display:flex;
  gap:28px;
}
.nav a{
  font-size:13px;
  color:#8b775f;
  letter-spacing:2px;
}

.hero{
  padding:108px 20px 90px;
}
.hero-inner{
  width:min(1160px,100%);
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,.62fr) minmax(0,.98fr);
  gap:76px;
  align-items:center;
}
.hero-copy{
  padding:24px 0 24px 8px;
}
.eyebrow,
.section-mark{
  display:inline-block;
  color:var(--gold);
  font-size:12px;
  letter-spacing:6px;
}
.hero-date{
  margin:22px 0 14px;
  color:var(--gold);
  font-size:14px;
  letter-spacing:9px;
}
.hero h1{
  margin:0;
  font-size:clamp(52px,6vw,92px);
  font-weight:400;
  line-height:1.08;
  letter-spacing:.2em;
}
.hero-lead{
  margin:28px 0 0;
  font-size:clamp(20px,2.1vw,29px);
  line-height:1.95;
  color:#453426;
}
.hero-sub{
  margin:22px 0 0;
  font-size:15px;
  line-height:2.15;
  color:var(--ink-soft);
  max-width:420px;
}
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:34px;
  min-width:162px;
  padding:14px 24px;
  border-radius:999px;
  background:linear-gradient(180deg,#dcc190,#c69d61);
  color:#35281d;
  font-weight:700;
  box-shadow:0 12px 26px rgba(184,145,88,.16);
}
.hero-image{
  position:relative;
}
.hero-image::before{
  content:"";
  position:absolute;
  inset:-28px auto auto -28px;
  width:160px;
  height:160px;
  border-top:1px solid rgba(184,145,88,.16);
  border-left:1px solid rgba(184,145,88,.16);
}
.hero-image::after{
  content:"";
  position:absolute;
  inset:auto -28px -28px auto;
  width:160px;
  height:160px;
  border-right:1px solid rgba(184,145,88,.16);
  border-bottom:1px solid rgba(184,145,88,.16);
}
.hero-image img{
  border-radius:2px;
  box-shadow:var(--shadow);
}

.preface{
  padding:40px 20px 96px;
}
.preface-wrap{
  width:min(760px,100%);
  margin:0 auto;
  text-align:center;
}
.preface h2,
.acts-head h2,
.seat-card h2{
  margin:20px 0 0;
  font-size:clamp(34px,4vw,56px);
  font-weight:500;
  line-height:1.42;
}
.preface p,
.acts-head p,
.act-copy p,
.quote p{
  color:var(--ink-soft);
  line-height:2.25;
  font-size:15px;
}
.preface p{
  margin:26px auto 0;
  max-width:720px;
}
.preface-note{
  color:#9d8258 !important;
  letter-spacing:3px;
  margin-top:30px !important;
}

.acts{
  width:min(1160px,100%);
  margin:0 auto;
  padding:0 20px 110px;
}
.acts-head{
  max-width:760px;
  margin:0 auto 64px;
  text-align:center;
}
.acts-head p{
  margin:18px 0 0;
}

.act{
  display:grid;
  grid-template-columns:minmax(0,1.03fr) minmax(280px,.72fr);
  gap:68px;
  align-items:center;
  padding:58px 0;
  border-top:1px solid var(--line);
}
.act:last-child{
  border-bottom:1px solid var(--line);
}
.act.reverse{
  grid-template-columns:minmax(280px,.72fr) minmax(0,1.03fr);
}
.act.reverse .act-image{order:2}
.act.reverse .act-copy{order:1}
.act-image{
  position:relative;
}
.act-image::after{
  content:"";
  position:absolute;
  inset:18px -18px -18px 18px;
  border:1px solid rgba(184,145,88,.14);
  z-index:-1;
}
.act-image img{
  border-radius:2px;
  box-shadow:var(--shadow);
}
.act-copy{
  padding:8px 10px;
}
.act-index{
  color:var(--gold);
  font-size:12px;
  letter-spacing:5px;
}
.act h3{
  margin:14px 0 0;
  font-size:clamp(36px,4vw,60px);
  font-weight:400;
  letter-spacing:.18em;
}
.act-clue{
  margin:20px 0 0;
  color:#9a7a4a !important;
  letter-spacing:4px;
}
.act-copy p{
  margin:18px 0 0;
  max-width:360px;
}

.quote{
  padding:10px 20px 110px;
}
.quote-inner{
  width:min(900px,100%);
  margin:0 auto;
  padding:58px 20px 20px;
  text-align:center;
}
.quote-mark{
  display:block;
  font-size:62px;
  line-height:1;
  color:var(--gold);
}
.quote p{
  margin:0;
  font-size:clamp(26px,3vw,42px);
  color:#4c3927;
  line-height:1.95;
}

.seat{
  padding:0 20px 110px;
}
.seat-card{
  width:min(760px,100%);
  margin:0 auto;
  padding:60px 32px;
  text-align:center;
  background:rgba(255,253,248,.86);
  border:1px solid rgba(184,145,88,.12);
  box-shadow:var(--shadow);
}
.seat-date{
  margin:20px 0 32px;
  color:var(--gold);
  font-size:14px;
  letter-spacing:6px;
}
.seat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.seat-item{
  padding:22px 14px;
  background:var(--bg-soft);
}
.seat-item span{
  display:block;
  color:#94784f;
  font-size:12px;
  letter-spacing:3px;
}
.seat-item strong{
  display:block;
  margin-top:10px;
  font-size:18px;
  font-weight:500;
}
.seat-line{
  width:88px;
  height:1px;
  margin:34px auto 26px;
  background:#d2af79;
}
.seat-end{
  margin:0;
  font-size:22px;
  letter-spacing:4px;
  color:#463527;
}

/* 动画 */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .8s ease, transform .8s ease;
}
.reveal.visible{
  opacity:1;
  transform:none;
}
.reveal.delay-1{transition-delay:.14s}

@media (max-width: 860px){
  .site-header{
    height:58px;
    padding:0 16px;
  }
  .nav{display:none}
  .hero{
    padding:84px 14px 56px;
  }
  .hero-inner{
    grid-template-columns:1fr;
    gap:30px;
  }
  .hero-copy{
    padding:8px 2px 0;
  }
  .hero-image::before,
  .hero-image::after{
    display:none;
  }
  .preface{
    padding:24px 16px 72px;
  }
  .acts{
    padding:0 16px 82px;
  }
  .acts-head{
    margin-bottom:34px;
  }
  .act,
  .act.reverse{
    grid-template-columns:1fr;
    gap:18px;
    padding:34px 0;
  }
  .act.reverse .act-image,
  .act.reverse .act-copy{
    order:initial;
  }
  .act-image::after{
    display:none;
  }
  .quote{
    padding:0 16px 72px;
  }
  .quote-inner{
    padding:36px 8px 10px;
  }
  .seat{
    padding:0 16px 78px;
  }
  .seat-card{
    padding:42px 18px;
  }
  .seat-grid{
    grid-template-columns:1fr;
  }
}