:root{
  --bg:#E8F0F1;
  --ink:#0A1E22;
  --muted:#3F5A60;
  --line:#9BB8BE;
  --soft:#F0F7F8;
  --teal:#061E22;
  --teal-mid:#0C2E34;
  --teal-light:#154048;
  --teal-glow:#1E5860;
  --gold:#D8BC74;
  --gold-soft:#E8D6A4;
  --gold-bright:#F4ECD4;
  --gold-deep:#C6A858;
  --max:1130px;
  --shadow:0 24px 52px rgba(6,30,34,.26);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(880px 440px at 95% -5%,rgba(216,188,116,.13),transparent 56%),
    radial-gradient(680px 360px at -2% 100%,rgba(6,30,34,.05),transparent 54%),
    var(--bg);
  line-height:1.87;
}
a{color:var(--teal-glow)}
a:hover{color:var(--teal-light)}
img{max-width:100%;height:auto;display:block}
.container{width:min(100% - 2rem,var(--max));margin-inline:auto}

.topbar{
  background:linear-gradient(88deg,var(--teal),var(--teal-mid) 65%,#103840);
  color:var(--gold-bright);
  font-size:.84rem;
  padding:.44rem 0;
  border-bottom:2px solid var(--gold);
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:.75rem;flex-wrap:wrap}
.topbar-tag{
  display:inline-flex;align-items:center;
  background:rgba(216,188,116,.17);color:var(--gold-bright);
  padding:.17rem .6rem;border-radius:5px;font-weight:700;font-size:.77rem;
}
.topbar-domain{opacity:.91;letter-spacing:.05em}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(240,247,248,.97);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(6,30,34,.07);
  backdrop-filter:blur(11px);
}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:73px;gap:1rem}
.brand{display:flex;align-items:center;gap:.76rem;text-decoration:none;color:inherit}
.brand img{width:43px;height:43px;border-radius:10px;object-fit:cover;border:2px solid var(--gold-soft)}
.brand-text{display:flex;flex-direction:column;line-height:1.19}
.brand-text b{font-size:1.07rem;color:var(--teal)}
.brand-text span{font-size:.77rem;color:var(--muted)}
.nav{display:flex;align-items:center;gap:.1rem;flex-wrap:wrap}
.nav a{
  text-decoration:none;color:var(--ink);
  padding:.47rem .71rem;border-radius:7px;font-size:.91rem;
  transition:background .15s,color .15s;
}
.nav a:hover,.nav a.active{background:var(--gold-bright);color:var(--teal-mid)}
.nav a.btn{
  background:linear-gradient(135deg,var(--teal-mid),var(--teal-light));
  color:var(--gold-bright);font-weight:700;margin-left:.22rem;
  box-shadow:0 4px 15px rgba(21,64,72,.31);
}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:8px;
  border:1px solid var(--line);background:var(--soft);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{width:18px;height:2px;background:var(--teal);display:block}

.ads-slot{padding:.82rem 0 0}
.ads-wrap{margin:0;padding:.75rem 1rem 1rem;border:1px solid var(--line);border-radius:13px;background:var(--soft)}
.ads-head{max-width:var(--max);margin:0 auto;padding:0}
.applist-title{text-align:center;color:var(--muted);font-size:.94rem;margin:0 0 .55rem}
#applist{width:100%}
#ads{display:flex!important;justify-content:center;align-items:flex-start;flex-wrap:wrap;gap:12px;margin:0;padding:0;background:transparent}
#ads>div{display:flex!important;flex-direction:column;align-items:center;width:72px!important;min-width:72px;box-sizing:border-box;flex:0 0 72px}
#ads figure{margin:0;padding:0;width:72px;display:flex;flex-direction:column;align-items:center}
#ads a{display:block;width:65px;height:65px;border-radius:14px;overflow:hidden;text-decoration:none;flex-shrink:0;border:1px solid var(--line)}
#ads img{width:65px!important;height:65px!important;max-width:65px!important;max-height:65px!important;object-fit:cover!important;border-radius:14px;display:block!important;border:0;background:var(--gold-bright)}
#ads figcaption,#ads .caption{display:block;width:72px;margin-top:6px;height:auto!important;min-height:16px;font-size:11px!important;line-height:1.2;color:var(--muted);text-align:center;white-space:nowrap!important;overflow:hidden;text-overflow:ellipsis;writing-mode:horizontal-tb!important}

.split-hero{padding:1.75rem 0 1.45rem}
.split-grid{
  display:grid;grid-template-columns:1.02fr .98fr;gap:0;align-items:stretch;
  background:var(--teal);border-radius:21px;overflow:hidden;
  box-shadow:var(--shadow);border:1px solid rgba(216,188,116,.33);
}
.split-copy{
  padding:clamp(1.48rem,3.1vw,2.45rem);
  color:var(--gold-bright);display:flex;flex-direction:column;justify-content:center;
  order:1;
}
.split-copy .badge{
  display:inline-block;width:fit-content;
  padding:.27rem .74rem;border-radius:5px;
  background:rgba(216,188,116,.15);color:var(--gold-bright);
  font-size:.79rem;font-weight:700;letter-spacing:.07em;margin-bottom:.82rem;
  border:1px solid rgba(216,188,116,.4);
}
.split-copy h1{
  margin:0 0 .82rem;
  font-family:"Songti SC","Noto Serif SC","Source Han Serif SC",serif;
  font-size:clamp(1.6rem,3vw,2.35rem);line-height:1.27;
  color:var(--gold-bright);
}
.split-copy .lead{margin:0 0 1.05rem;color:var(--gold-soft);font-size:1rem}
.split-copy .hero-points{
  display:grid;grid-template-columns:repeat(2,1fr);gap:.52rem;margin:0 0 1.1rem;
}
.split-copy .hero-points span{
  font-size:.81rem;color:var(--gold-bright);text-align:center;
  padding:.42rem .28rem;background:rgba(216,188,116,.11);border-radius:7px;
  border:1px solid rgba(216,188,116,.26);
}
.split-visual{position:relative;min-height:350px;background:var(--teal-mid);order:2}
.split-visual img{width:100%;height:100%;object-fit:cover;min-height:350px}
.split-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,30,34,.72) 0%,transparent 42%);
  pointer-events:none;
}
.cta-row{display:flex;flex-wrap:wrap;gap:.68rem}
.cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.76rem 1.25rem;border-radius:7px;text-decoration:none;font-weight:700;font-size:.93rem;
}
.cta-primary{
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  color:var(--teal);box-shadow:0 6px 18px rgba(216,188,116,.36);
}
.cta-ghost{border:1px solid rgba(244,236,212,.52);color:var(--gold-bright);background:transparent}
.cta-ghost:hover{background:rgba(216,188,116,.11)}

.feature-row{
  background:var(--soft);border:1px solid var(--line);border-radius:15px;
  padding:1.02rem 1.12rem;margin:0 0 1.35rem;
  display:grid;grid-template-columns:repeat(4,1fr);gap:.72rem;
}
.feature-row div{text-align:center;padding:.42rem;border-right:1px solid var(--line)}
.feature-row div:last-child{border-right:none}
.feature-row strong{display:block;color:var(--teal-mid);font-size:1.02rem;margin-bottom:.16rem}
.feature-row span{font-size:.83rem;color:var(--muted)}

.section{padding:1.32rem 0}
.section h2{
  margin:0 0 .8rem;
  font-family:"Songti SC","Noto Serif SC",serif;
  font-size:clamp(1.18rem,2.05vw,1.58rem);
  color:var(--teal-mid);
  border-left:4px solid var(--gold);padding-left:.7rem;
}
.section p{margin:0 0 1rem;color:var(--ink)}
.prose{
  background:var(--soft);border:1px solid var(--line);border-radius:15px;
  padding:clamp(1.1rem,2.35vw,1.78rem);
}
.prose h2,.prose h3{scroll-margin-top:88px}
.prose h3{margin:1.25rem 0 .45rem;font-size:1.06rem;color:var(--teal-light)}

.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:.95rem;margin:1rem 0;
}
.card{
  background:linear-gradient(168deg,#fff 0%,var(--gold-bright) 100%);
  border:1px solid var(--line);border-top:3px solid var(--gold);
  border-radius:11px;padding:1.02rem 1.08rem;
}
.card h3{margin:0 0 .36rem;font-size:1rem;color:var(--teal-mid)}
.card p{margin:0;color:var(--muted);font-size:.91rem}

.media-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:.95rem;margin:1rem 0;
}
.media-grid figure,.gallery figure,.duo-row figure{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden;
}
.media-grid figcaption,.gallery figcaption,.duo-row figcaption{
  padding:.5rem .8rem;font-size:.85rem;color:var(--muted);background:var(--gold-bright);
}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:.95rem;margin:1rem 0}
.duo-row{display:grid;grid-template-columns:repeat(2,1fr);gap:.95rem;margin:1rem 0}

.band{
  margin:1.45rem 0;padding:1.65rem 0;
  background:linear-gradient(148deg,var(--teal) 0%,var(--teal-mid) 52%,#165058 100%);
  color:var(--gold-soft);border-radius:17px;
  border:1px solid rgba(216,188,116,.26);
}
.band .container{width:min(100% - 2rem,var(--max))}
.band h2{color:var(--gold-bright);margin:0 0 .58rem;border-left:none;padding-left:0}
.band p{color:var(--gold-soft);margin:0 0 .95rem}

.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}
.price-grid figure{margin:0;background:rgba(255,255,255,.05);border:1px solid rgba(216,188,116,.2);border-radius:11px;overflow:hidden}
.price-grid figcaption{padding:.46rem .65rem;font-size:.81rem;color:var(--gold-soft)}

.outlinks{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0 0}
.outlinks a{
  display:inline-flex;align-items:center;
  padding:.5rem .98rem;border-radius:7px;text-decoration:none;font-weight:700;
  border:1px solid var(--teal-light);color:var(--teal-mid);background:var(--gold-bright);
}
.outlinks a:hover{background:rgba(216,188,116,.26)}

.faq details{
  border:1px solid var(--line);background:#fff;border-radius:9px;
  padding:.8rem .98rem;margin:.46rem 0;
}
.faq summary{cursor:pointer;font-weight:700;color:var(--teal-mid)}
.faq p{margin:.5rem 0 0;color:var(--muted)}

.site-footer{
  margin-top:1.95rem;padding:1.95rem 0 1.2rem;
  background:var(--teal);color:var(--gold-soft);
  border-top:3px solid var(--gold);
}
.footer-grid{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-grid a{color:var(--gold-soft);margin-right:.8rem;text-decoration:none}
.footer-grid a:hover{color:var(--gold-bright)}
.copyright{margin-top:.92rem;font-size:.84rem;opacity:.87}

.page-main{padding:1.42rem 0 2rem}
.page-hero h1{
  margin:0 0 .58rem;
  font-family:"Songti SC","Noto Serif SC",serif;
  font-size:clamp(1.38rem,2.35vw,1.9rem);
  color:var(--teal-mid);
}
.page-hero p{color:var(--muted);margin:0}
.simple-card{
  background:var(--soft);border:1px solid var(--line);border-radius:13px;
  padding:1.28rem;margin-top:.95rem;
}
.simple-card h2{margin:1.05rem 0 .4rem;font-size:1.06rem;color:var(--teal-light)}

.error-page{min-height:100vh;display:grid;place-items:center;padding:2rem;background:var(--bg)}
.error-box{
  max-width:520px;width:100%;background:var(--soft);border:1px solid var(--line);
  border-radius:15px;padding:1.42rem;text-align:center;box-shadow:var(--shadow);
}
.error-box h1{font-size:2.7rem;margin:.18rem 0;color:var(--teal-light)}

@media (max-width:960px){
  .menu-toggle{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:73px;width:100%;z-index:50;box-sizing:border-box;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:1rem;border-bottom:1px solid var(--line);
    box-shadow:0 8px 20px rgba(6,30,34,.08);
  }
  .nav.open{display:flex}
  .nav a.btn{margin-left:0}
  .split-grid{grid-template-columns:1fr}
  .split-copy{order:2}
  .split-visual{order:1;min-height:250px}
  .split-visual::after{background:linear-gradient(180deg,transparent 38%,rgba(6,30,34,.58))}
  .split-copy .hero-points{grid-template-columns:1fr}
  .feature-row,.card-grid,.media-grid,.gallery,.duo-row,.price-grid{grid-template-columns:1fr}
  .feature-row div{border-right:none;border-bottom:1px solid var(--line)}
  .feature-row div:last-child{border-bottom:none}
  .price-grid{grid-template-columns:1fr 1fr}
  .topbar .container{justify-content:center}
}
@media (max-width:560px){
  .price-grid{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr 1fr}
}