:root{
  --bg:#1a2228;
  --sidebar:#222c34;
  --sidebar-w:268px;
  --ink:#e8edf2;
  --muted:#8fa3b3;
  --line:#364652;
  --card:#283540;
  --card-hover:#31424e;
  --teal:#2dd4bf;
  --teal-bright:#5eead4;
  --teal-dim:#0d9488;
  --teal-glow:rgba(45,212,191,.18);
  --slate:#475569;
  --slate-light:#64748b;
  --max:920px;
  --shadow:0 16px 44px rgba(0,0,0,.36);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(880px 460px at 100% 0%,rgba(45,212,191,.1),transparent 58%),
    radial-gradient(680px 380px at 0% 100%,rgba(71,85,105,.22),transparent 52%),
    var(--bg);
  line-height:1.85;
}
a{color:var(--teal-bright);text-decoration:none}
a:hover{color:var(--teal)}
img{max-width:100%;height:auto;display:block}

.layout{display:flex;min-height:100vh}
.sidebar{
  position:fixed;inset:0 auto 0 0;z-index:50;
  width:var(--sidebar-w);
  background:linear-gradient(180deg,#2a3640 0%,var(--sidebar) 40%,#1c252c 100%);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:1.3rem 1rem 1.1rem;
  overflow-y:auto;
  box-shadow:4px 0 22px rgba(0,0,0,.3);
}
.sidebar-brand{
  display:flex;align-items:center;gap:.7rem;
  padding:.4rem .28rem 1.1rem;
  border-bottom:1px solid var(--line);
  margin-bottom:.9rem;
}
.sidebar-brand img{
  width:48px;height:48px;border-radius:12px;
  object-fit:cover;border:2px solid rgba(45,212,191,.42);
  box-shadow:0 0 14px var(--teal-glow);
}
.sidebar-brand-text{display:flex;flex-direction:column;line-height:1.2}
.sidebar-brand-text b{font-size:1.08rem;color:var(--teal);letter-spacing:.02em}
.sidebar-brand-text span{font-size:.72rem;color:var(--muted);margin-top:.12rem}
.sidebar-domain{
  font-family:ui-monospace,monospace;font-size:.68rem;
  color:var(--teal-bright);opacity:.95;margin-top:.45rem;
  padding:.2rem .5rem;border-radius:6px;
  background:rgba(45,212,191,.08);border:1px solid rgba(45,212,191,.26);
  display:inline-block;width:fit-content;
}
.sidebar-nav{display:flex;flex-direction:column;gap:.16rem;flex:1}
.sidebar-nav a{
  display:block;padding:.54rem .68rem;border-radius:10px;
  color:var(--ink);font-size:.9rem;
  border:1px solid transparent;transition:background .2s,border-color .2s;
}
.sidebar-nav a:hover,.sidebar-nav a.active{
  background:rgba(45,212,191,.09);
  border-color:rgba(45,212,191,.22);
  color:var(--teal-bright);
}
.sidebar-nav a.cta{
  margin-top:.42rem;background:linear-gradient(135deg,var(--teal-dim),var(--teal));
  color:#0f172a;font-weight:700;text-align:center;border:none;
}
.sidebar-nav a.cta:hover{filter:brightness(1.08);color:#0f172a}
.sidebar-foot{
  margin-top:auto;padding-top:.9rem;border-top:1px solid var(--line);
  font-size:.76rem;color:var(--muted);line-height:1.55;
}
.sidebar-overlay{
  display:none;position:fixed;inset:0;z-index:45;
  background:rgba(10,14,18,.66);backdrop-filter:blur(2px);
}

.main-wrap{
  flex:1;margin-left:var(--sidebar-w);
  min-width:0;display:flex;flex-direction:column;
}
.menu-toggle{
  display:none;position:fixed;top:.8rem;left:.8rem;z-index:60;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  box-shadow:var(--shadow);
}
.menu-toggle span{width:18px;height:2px;background:var(--teal);display:block;border-radius:1px}

.content-flow{flex:1;padding:1.4rem clamp(1rem,3vw,2.1rem) 2.35rem}
.content-inner{max-width:var(--max);margin:0 auto}

.ads-slot{margin-bottom:1.1rem}
.ads-wrap{margin:0;padding:.75rem 1rem 1rem;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.ads-head{max-width:var(--max);margin:0 auto;padding:0}
.applist-title{text-align:center;color:var(--muted);font-size:.93rem;margin:0 0 .5rem}
#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(--slate)}
#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}

.hero-panel{
  background:linear-gradient(145deg,rgba(71,85,105,.38),rgba(45,212,191,.06));
  border:1px solid var(--line);border-radius:20px;
  padding:clamp(1.3rem,3vw,2.1rem);
  margin-bottom:1.7rem;position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;top:-36%;right:-6%;width:250px;height:250px;
  background:radial-gradient(circle,rgba(45,212,191,.12),transparent 70%);
  pointer-events:none;
}
.hero-panel h1{
  margin:0 0 .78rem;font-size:clamp(1.5rem,3.3vw,2.05rem);
  line-height:1.34;color:var(--teal);
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
}
.hero-panel .lead{margin:0;color:var(--muted);font-size:1rem;max-width:42rem}
.hero-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.9rem}
.hero-tags span{
  font-size:.76rem;padding:.24rem .6rem;border-radius:999px;
  background:rgba(71,85,105,.45);color:var(--ink);
  border:1px solid rgba(100,116,139,.38);
}
.hero-tags span.accent{
  background:rgba(45,212,191,.12);color:var(--teal);
  border-color:rgba(45,212,191,.3);
}

.section-block{margin-bottom:1.9rem}
.section-block h2{
  font-size:1.3rem;color:var(--teal);margin:0 0 .68rem;
  padding-bottom:.4rem;border-bottom:1px solid var(--line);
}
.section-block h3{font-size:1.02rem;color:var(--teal-bright);margin:1rem 0 .4rem}
.section-block p{margin:0 0 .78rem;color:var(--ink)}
.section-block p.muted{color:var(--muted);font-size:.92rem}

.media-duo{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem;margin:1rem 0}
.media-duo figure,.gallery figure,.price-strip figure{margin:0}
.media-duo figcaption,.gallery figcaption,.price-strip figcaption{
  font-size:.8rem;color:var(--muted);margin-top:.4rem;text-align:center;
}
.media-duo img,.gallery img,.price-strip img{
  border-radius:14px;border:1px solid var(--line);
  box-shadow:0 8px 24px rgba(0,0,0,.28);
}

.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.78rem;margin:.9rem 0}
.pillar{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:.9rem .9rem .82rem;transition:border-color .2s,background .2s;
}
.pillar:hover{background:var(--card-hover);border-color:rgba(45,212,191,.26)}
.pillar h3{margin:0 0 .36rem;font-size:.96rem;color:var(--teal-bright)}
.pillar p{margin:0;font-size:.86rem;color:var(--muted);line-height:1.6}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:.78rem;margin:.9rem 0}

.price-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:.68rem;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:1rem;margin:.9rem 0;
}

.outlinks{display:flex;flex-wrap:wrap;gap:.58rem;margin:1.1rem 0}
.outlinks a{
  padding:.46rem .92rem;border-radius:10px;
  background:rgba(45,212,191,.08);border:1px solid rgba(45,212,191,.24);
  font-size:.88rem;color:var(--teal-bright);
}

.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:.7rem .92rem;margin-bottom:.48rem;
}
.faq summary{cursor:pointer;font-weight:600;color:var(--teal)}
.faq p{margin:.48rem 0 0;font-size:.9rem;color:var(--muted)}

.site-footer{
  border-top:1px solid var(--line);
  padding:1.3rem clamp(1rem,3vw,2.1rem);
  background:rgba(34,44,52,.92);
}
.footer-inner{max-width:var(--max);margin:0 auto}
.footer-links{display:flex;flex-wrap:wrap;gap:.46rem 1rem;margin:.55rem 0}
.footer-links a{font-size:.86rem;color:var(--muted)}
.footer-links a:hover{color:var(--teal)}
.copyright{margin:.72rem 0 0;font-size:.78rem;color:var(--muted)}

.page-main{padding:1.4rem clamp(1rem,3vw,2.1rem) 2.35rem;margin-left:var(--sidebar-w)}
.page-main .content-inner{max-width:var(--max);margin:0 auto}
.page-hero{margin:.9rem 0 1.3rem}
.page-hero h1{margin:0 0 .45rem;font-size:1.55rem;color:var(--teal)}
.page-hero p{margin:0;color:var(--muted)}
.simple-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:1.3rem 1.4rem;
}
.simple-card h2{font-size:1.12rem;color:var(--teal);margin:1.1rem 0 .46rem}
.simple-card h2:first-child{margin-top:0}
.simple-card p{margin:0 0 .7rem;color:var(--muted)}

.error-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:1.4rem;background:var(--bg);
}
.error-box{
  max-width:420px;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:1.9rem 1.4rem;
}
.error-box h1{font-size:3rem;margin:0;color:var(--teal)}
.error-box p{color:var(--muted)}
.cta{
  display:inline-block;padding:.6rem 1.22rem;border-radius:10px;
  font-weight:700;margin-top:.46rem;
}
.cta-primary{background:linear-gradient(135deg,var(--teal-dim),var(--teal));color:#0f172a}

@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .28s ease}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.show{display:block}
  .main-wrap,.page-main{margin-left:0}
  .menu-toggle{display:flex}
  .content-flow,.page-main{padding-top:3.9rem}
  .pillar-grid,.gallery{grid-template-columns:1fr}
  .media-duo{grid-template-columns:1fr}
  .price-strip{grid-template-columns:repeat(2,1fr)}
}