:root{

  --bg:#f0e8dc;

  --ink:#2a2220;

  --muted:#6e5f58;

  --line:#dccfc4;

  --soft:#faf6f0;

  --brand:#c0392b;

  --brand-deep:#8b2318;

  --brand-light:#f5ded9;

  --brand-glow:rgba(192,57,43,.22);

  --band:#9a2820;

  --band-mid:#c0392b;

  --warm:#c4a896;

  --warm-light:#e8ddd2;

  --max:1080px;

  --shadow:0 20px 48px rgba(154,40,32,.1);

}

*{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 400px at 50% -6%,rgba(192,57,43,.1),transparent 58%),

    radial-gradient(620px 340px at 100% 14%,rgba(196,168,150,.12),transparent 52%),

    var(--bg);

  line-height:1.86;

}

a{color:var(--brand-deep)}

img{max-width:100%;height:auto;display:block}

.container{width:min(100% - 2rem,var(--max));margin-inline:auto}



.topbar{

  background:linear-gradient(90deg,var(--band),var(--band-mid));

  color:var(--warm-light);

  font-size:.86rem;

  padding:.45rem 0;

}

.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:.75rem}

.topbar-brand{font-weight:700;letter-spacing:.03em}

.topbar-domain{opacity:.92;font-family:ui-monospace,monospace;font-size:.82rem}



.site-header{

  position:sticky;top:0;z-index:40;

  background:rgba(250,246,240,.96);

  border-bottom:1px solid var(--line);

  backdrop-filter:blur(12px);

}

.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:1rem}

.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:inherit}

.brand img{width:44px;height:44px;border-radius:12px;object-fit:cover;border:2px solid var(--brand-light)}

.brand-text{display:flex;flex-direction:column;line-height:1.15}

.brand-text b{font-size:1.1rem;color:var(--band)}

.brand-text span{font-size:.78rem;color:var(--muted)}

.nav{display:flex;align-items:center;gap:.15rem;flex-wrap:wrap}

.nav a{

  text-decoration:none;color:var(--ink);

  padding:.46rem .7rem;border-radius:8px;font-size:.92rem;

}

.nav a:hover,.nav a.active{background:var(--brand-light);color:var(--brand-deep)}

.nav a.btn{

  background:var(--brand);color:#fff;font-weight:700;margin-left:.2rem;border-radius:999px;

}

.menu-toggle{

  display:none;width:44px;height:44px;border-radius:10px;

  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(--ink);display:block}



.ads-slot{padding:.85rem 0 0}

.ads-wrap{margin:0;padding:.75rem 1rem 1rem;border:1px solid var(--line);border-radius:14px;background:var(--soft)}

.ads-head{max-width:var(--max);margin:0 auto;padding:0}

.applist-title{text-align:center;color:var(--muted);font-size:.95rem;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:16px;overflow:hidden;text-decoration:none;flex-shrink:0}

#ads img{width:65px!important;height:65px!important;max-width:65px!important;max-height:65px!important;object-fit:cover!important;border-radius:16px;display:block!important;border:0;background:var(--warm-light)}

#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}



.stack-hero{padding:2rem 0 1.2rem;text-align:center}

.stack-hero .hero-card{

  background:var(--soft);border:1px solid var(--line);border-radius:24px;

  padding:clamp(1.6rem,4vw,2.8rem) clamp(1.2rem,3vw,2rem) 0;

  box-shadow:var(--shadow);overflow:hidden;

  border-top:4px solid var(--brand);

}

.stack-hero .badge{

  display:inline-block;padding:.35rem .9rem;border-radius:999px;

  background:var(--brand-light);color:var(--brand-deep);font-size:.82rem;font-weight:700;

  margin-bottom:1rem;letter-spacing:.04em;

}

.stack-hero h1{

  margin:0 auto .85rem;max-width:24ch;

  font-family:"Songti SC","Noto Serif SC","Source Han Serif SC",serif;

  font-size:clamp(1.75rem,4vw,2.6rem);line-height:1.28;color:var(--band);

}

.stack-hero .lead{

  margin:0 auto 1.25rem;max-width:42rem;color:var(--muted);font-size:1.04rem;

}

.stack-hero .cta-row{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center;margin-bottom:1.6rem}

.cta{

  display:inline-flex;align-items:center;justify-content:center;

  padding:.78rem 1.35rem;border-radius:999px;text-decoration:none;font-weight:700;

}

.cta-primary{background:var(--brand);color:#fff;box-shadow:0 8px 24px var(--brand-glow)}

.cta-ghost{border:1px solid var(--line);color:var(--ink);background:#fff}

.stack-hero .hero-visual{

  margin:0 -1px -1px;border-top:1px solid var(--line);

  background:linear-gradient(180deg,var(--warm-light),#fff);

}

.stack-hero .hero-visual img{width:100%;max-height:420px;object-fit:cover;margin:0 auto}



.pill-nav{

  display:flex;flex-wrap:wrap;gap:.55rem;justify-content:center;

  padding:1.2rem 0 .4rem;

}

.pill-nav a{

  text-decoration:none;padding:.5rem 1rem;border-radius:999px;

  background:var(--soft);border:1px solid var(--line);color:var(--ink);font-size:.9rem;font-weight:600;

}

.pill-nav a:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-light)}



.section{padding:1.4rem 0}

.section h2{

  margin:0 0 .75rem;

  font-family:"Songti SC","Noto Serif SC",serif;

  font-size:clamp(1.22rem,2.2vw,1.62rem);color:var(--band);

}

.section p{margin:0 0 1rem;color:var(--ink)}

.prose{

  background:var(--soft);border:1px solid var(--line);border-radius:18px;

  padding:clamp(1.1rem,2.5vw,1.85rem);

}

.prose h2,.prose h3{scroll-margin-top:88px}

.prose h3{margin:1.35rem 0 .5rem;font-size:1.1rem;color:var(--band-mid)}



.feature-grid{

  display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.1rem 0;

}

.feature-card{

  background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.05rem 1.1rem;

  border-top:3px solid var(--brand);

}

.feature-card h3{margin:0 0 .4rem;font-size:1rem;color:var(--band)}

.feature-card .tag{color:var(--brand);font-weight:700;font-size:.88rem;margin-bottom:.35rem}

.feature-card p{margin:0;color:var(--muted);font-size:.93rem}



.media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1rem 0}

.media-grid figure,.gallery figure,.shot-row figure{

  margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;

}

.media-grid figcaption,.gallery figcaption,.shot-row figcaption{

  padding:.55rem .8rem;font-size:.87rem;color:var(--muted);

}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1rem 0}

.shot-row{display:grid;grid-template-columns:1fr;gap:1rem;margin:1rem 0}



.band{

  margin:1.4rem 0;padding:1.7rem 0;

  background:linear-gradient(135deg,var(--band),var(--band-mid));

  color:var(--warm-light);border-radius:20px;

}

.band .container{width:min(100% - 2rem,var(--max))}

.band h2{color:#fff;margin:0 0 .65rem}

.band p{color:var(--warm-light);margin:0 0 1rem;opacity:.92}

.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem}

.price-grid figure{margin:0;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:14px;overflow:hidden}

.price-grid figcaption{padding:.5rem .65rem;font-size:.84rem;color:var(--warm-light)}



.compare-table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.93rem}

.compare-table th,.compare-table td{

  border:1px solid var(--line);padding:.65rem .75rem;text-align:left;

}

.compare-table th{background:var(--brand-light);color:var(--brand-deep);font-weight:700}

.compare-table tr:nth-child(even) td{background:#f8f0ea}



.outlinks{display:flex;flex-wrap:wrap;gap:.65rem;margin:1.1rem 0 0;justify-content:flex-start}

.outlinks a{

  display:inline-flex;align-items:center;

  padding:.55rem 1.05rem;border-radius:999px;text-decoration:none;font-weight:700;

  border:1px solid rgba(192,57,43,.35);color:var(--brand-deep);background:var(--brand-light);

}



.faq details{

  border:1px solid var(--line);background:#fff;border-radius:14px;

  padding:.85rem 1rem;margin:.5rem 0;

}

.faq summary{cursor:pointer;font-weight:700;color:var(--band)}

.faq p{margin:.55rem 0 0;color:var(--muted)}



.site-footer{

  margin-top:2rem;padding:2rem 0 1.2rem;

  background:var(--band);color:var(--warm);

}

.footer-grid{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

.footer-grid a{color:var(--warm-light);margin-right:.85rem;text-decoration:none}

.copyright{margin-top:1rem;font-size:.86rem;opacity:.88}



.page-main{padding:1.5rem 0 2.2rem}

.page-hero{text-align:center;padding:.5rem 0 1rem}

.page-hero h1{

  margin:0 0 .65rem;

  font-family:"Songti SC","Noto Serif SC",serif;

  font-size:clamp(1.4rem,2.6vw,1.95rem);color:var(--band);

}

.page-hero p{color:var(--muted);margin:0}

.simple-card{

  background:var(--soft);border:1px solid var(--line);border-radius:16px;

  padding:1.35rem;margin-top:1rem;

}

.simple-card h2{margin:1.15rem 0 .45rem;font-size:1.1rem;color:var(--band-mid)}



.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:18px;padding:1.5rem;text-align:center;box-shadow:var(--shadow);

}

.error-box h1{font-size:2.8rem;margin:.2rem 0;color:var(--brand)}



@media (max-width:960px){

  .menu-toggle{display:flex}

  .nav{display:none;position:absolute;left:0;right:0;top:72px;width:100%;z-index:50;box-sizing:border-box;

    background:var(--soft);flex-direction:column;align-items:stretch;

    padding:1rem;border-bottom:1px solid var(--line);

  }

  .nav.open{display:flex}

  .nav a.btn{margin-left:0}

  .feature-grid,.media-grid,.gallery,.price-grid{grid-template-columns:1fr}

  .price-grid{grid-template-columns:1fr 1fr}

}

@media (max-width:560px){

  .price-grid{grid-template-columns:1fr}

  .topbar .container{justify-content:center}

}