/* 91PORN91PO · 91p.baby — Velvet Dusk Aurora */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --void:#07050f;
  --deep:#100a1c;
  --panel:#18102a;
  --panel-soft:#221535;
  --rose:#ff4d8d;
  --rose-soft:#ff7eb3;
  --violet:#9b5de5;
  --violet-deep:#6a2fa8;
  --amber:#ff9f1c;
  --amber-soft:#ffc857;
  --silver:#c8bdd8;
  --pearl:#f3edf8;
  --line:rgba(155,93,229,.18);
  --glow:0 0 60px rgba(255,77,141,.15);
  --radius:14px;
  --nav-h:54px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","STSong",serif;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font);
  background:var(--void);
  color:var(--pearl);
  line-height:1.85;
  min-height:100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -5%,rgba(155,93,229,.2),transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 8%,rgba(255,77,141,.12),transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%,rgba(255,159,28,.06),transparent 60%),
    linear-gradient(175deg,var(--void) 0%,#0d0818 45%,#12091f 100%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--rose-soft);text-decoration:none;transition:color .2s,opacity .2s}
a:hover{color:var(--amber-soft)}
.wrap{max-width:1060px;margin:0 auto;padding:0 16px}

/* Header */
.pb-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  height:var(--nav-h);
  background:rgba(7,5,15,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.pb-header-inner{
  max-width:1060px;margin:0 auto;padding:0 16px;
  height:100%;display:flex;align-items:center;justify-content:space-between;
}
.pb-brand{display:flex;align-items:center;gap:9px;color:var(--pearl);font-weight:700;font-size:1rem;letter-spacing:.02em}
.pb-brand img{border-radius:10px;width:34px;height:34px;box-shadow:0 2px 12px rgba(255,159,28,.25)}
.pb-brand b{color:var(--amber);font-weight:800}
.pb-brand i{font-style:normal;color:var(--rose-soft);font-size:.92em}
.pb-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px}
.pb-menu-btn span{display:block;width:20px;height:2px;background:var(--pearl);margin:5px 0;border-radius:2px;transition:.3s}
.pb-nav{display:flex;gap:2px;align-items:center}
.pb-nav a{
  padding:6px 12px;border-radius:9px;font-size:.84rem;color:var(--silver);
}
.pb-nav a:hover,.pb-nav a.on{color:var(--rose-soft);background:rgba(255,77,141,.1)}

/* Sticky download */
.pb-sticky-dl{
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:850;
  background:rgba(12,8,22,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transform:translateY(-120%);opacity:0;pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.pb-sticky-dl.show{transform:translateY(0);opacity:1;pointer-events:auto}
.pb-sticky-dl .wrap{padding:6px 10px}
#sticky-ads{display:flex;flex-wrap:wrap;justify-content:center;gap:5px}

/* Ad zone */
.pb-dl-zone{
  padding-top:calc(var(--nav-h) + 12px);
  background:linear-gradient(180deg,rgba(155,93,229,.1) 0%,transparent 85%);
}
.pb-dl-hint{
  text-align:center;font-size:.7rem;color:var(--silver);
  letter-spacing:.2em;margin-bottom:2px;
}
#ads{
  display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;
  background:transparent;margin:6px 0 10px;
}
#ads>div,#sticky-ads>div{
  display:flex;flex-direction:column;align-items:center;
  width:calc(12.5% - 7px);min-width:66px;box-sizing:border-box;
}
#ads img,#sticky-ads img{
  width:60px;height:60px;object-fit:cover;border-radius:15px;
  box-shadow:0 4px 18px rgba(0,0,0,.45);
  transition:transform .18s ease,box-shadow .18s ease;
  border:1.5px solid rgba(255,77,141,.22);
}
#ads a,#sticky-ads a{display:inline-block;text-decoration:none;border-radius:13px}
#ads img:hover,#sticky-ads img:hover{
  transform:translateY(-3px) scale(1.04);
  box-shadow:0 8px 24px rgba(255,77,141,.3);
}
#ads figcaption,#ads .caption,#sticky-ads figcaption,#sticky-ads .caption{
  height:13px;font-size:10px;color:var(--silver);text-align:center;
  max-width:88px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px;
}
@media(max-width:768px){
  #ads>div,#sticky-ads>div{width:calc(25% - 5px)}
}

/* Hero */
.pb-hero{
  padding:32px 0 40px;
  position:relative;overflow:hidden;
}
.pb-hero::before{
  content:"";position:absolute;top:-40%;right:-20%;width:70%;height:140%;
  background:radial-gradient(circle,rgba(255,77,141,.08),transparent 65%);
  pointer-events:none;
}
.pb-hero-inner{position:relative;z-index:1}
.pb-hero-eyebrow{
  display:inline-block;font-size:.72rem;letter-spacing:.28em;
  color:var(--violet);text-transform:uppercase;margin-bottom:14px;
  padding:4px 14px;border:1px solid var(--line);border-radius:20px;
  background:rgba(155,93,229,.08);
}
.pb-hero h1{
  font-family:var(--font-serif);
  font-size:clamp(1.55rem,5vw,2.35rem);
  font-weight:700;line-height:1.35;margin-bottom:18px;
  background:linear-gradient(135deg,var(--pearl) 20%,var(--rose-soft) 55%,var(--amber-soft) 90%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.pb-hero h1 strong{
  display:block;font-size:.62em;font-weight:600;
  margin-top:10px;letter-spacing:.04em;
  -webkit-text-fill-color:var(--silver);
}
.pb-hero-lead{
  font-size:.95rem;color:var(--silver);max-width:680px;margin-bottom:20px;
}
.pb-hero-chips{display:flex;flex-wrap:wrap;gap:8px}
.pb-hero-chips span{
  font-size:.74rem;padding:5px 12px;border-radius:20px;
  background:rgba(255,77,141,.1);color:var(--rose-soft);
  border:1px solid rgba(255,77,141,.2);
}

/* Main sections */
.pb-main{padding-bottom:56px}
.pb-band{
  margin-bottom:42px;padding:28px 0;
  border-top:1px solid var(--line);
}
.pb-band:first-child{border-top:none;padding-top:8px}
.pb-sec-title{
  font-family:var(--font-serif);
  font-size:1.35rem;margin-bottom:6px;color:var(--pearl);
}
.pb-sec-title em{font-style:normal;color:var(--rose);font-size:.75em;margin-left:6px}
.pb-sec-desc{font-size:.88rem;color:var(--silver);margin-bottom:22px;max-width:720px}

/* 3:7 text-image layout */
.pb-split{
  display:grid;grid-template-columns:7fr 3fr;gap:28px;align-items:start;
}
.pb-split.reverse{grid-template-columns:3fr 7fr}
.pb-split.reverse .pb-split-img{order:-1}
.pb-split-text p{margin-bottom:14px;font-size:.9rem;color:var(--silver)}
.pb-split-text p:last-child{margin-bottom:0}
.pb-split-text h3{
  font-size:1.05rem;color:var(--pearl);margin:18px 0 10px;
}
.pb-split-text h3:first-child{margin-top:0}
.pb-split-img figure{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--glow);
  background:var(--panel);
}
.pb-split-img figcaption{
  font-size:.72rem;color:var(--silver);padding:8px 10px;text-align:center;
  background:var(--panel-soft);
}
@media(max-width:768px){
  .pb-split,.pb-split.reverse{grid-template-columns:1fr;gap:18px}
  .pb-split.reverse .pb-split-img{order:0}
}

/* Stats row */
.pb-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:36px;
}
.pb-stat{
  text-align:center;padding:18px 10px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
}
.pb-stat b{
  display:block;font-size:1.5rem;
  background:linear-gradient(135deg,var(--rose),var(--amber));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.pb-stat span{font-size:.76rem;color:var(--silver)}
@media(max-width:600px){.pb-stats{grid-template-columns:repeat(2,1fr)}}

/* Feature cards */
.pb-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}
.pb-card{
  padding:20px;border-radius:var(--radius);
  background:linear-gradient(145deg,var(--panel),var(--panel-soft));
  border:1px solid var(--line);
}
.pb-card h4{font-size:.95rem;margin-bottom:8px;color:var(--pearl)}
.pb-card p{font-size:.84rem;color:var(--silver);line-height:1.75}
@media(max-width:600px){.pb-cards{grid-template-columns:1fr}}

/* Prose blocks */
.pb-prose{
  padding:24px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
}
.pb-prose h3{
  font-size:1rem;color:var(--rose-soft);margin:22px 0 10px;
}
.pb-prose h3:first-child{margin-top:0}
.pb-prose p{font-size:.88rem;color:var(--silver);margin-bottom:14px;line-height:1.85}
.pb-prose p:last-child{margin-bottom:0}

/* Steps */
.pb-steps{counter-reset:step;margin-top:18px}
.pb-step{
  display:flex;gap:16px;margin-bottom:18px;padding:16px;
  border-radius:var(--radius);background:var(--panel);
  border:1px solid var(--line);
}
.pb-step-num{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:.82rem;font-weight:700;color:var(--pearl);
  background:linear-gradient(135deg,var(--violet),var(--rose));
}
.pb-step-body h4{font-size:.92rem;color:var(--pearl);margin-bottom:6px}
.pb-step-body p{font-size:.84rem;color:var(--silver);line-height:1.75;margin:0}

/* Image gallery */
.pb-gallery{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px;
}
.pb-gallery figure{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--panel-soft);
}
.pb-gallery img{width:100%;aspect-ratio:9/16;object-fit:cover}
.pb-gallery figcaption{
  font-size:.7rem;color:var(--silver);padding:8px;line-height:1.5;
  min-height:52px;
}
@media(max-width:768px){.pb-gallery{grid-template-columns:repeat(2,1fr)}}

/* Dual prose columns */
.pb-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.pb-col{
  padding:20px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),var(--panel-soft));
  border:1px solid var(--line);
}
.pb-col h3{font-size:.95rem;color:var(--pearl);margin-bottom:10px}
.pb-col p{font-size:.84rem;color:var(--silver);line-height:1.78;margin-bottom:10px}
.pb-col p:last-child{margin-bottom:0}
@media(max-width:700px){.pb-columns{grid-template-columns:1fr}}

/* FAQ */
.pb-faq{margin-top:16px}
.pb-faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:10px;overflow:hidden;background:var(--panel);
}
.pb-faq-q{
  width:100%;text-align:left;padding:14px 16px;
  background:none;border:none;color:var(--pearl);
  font-size:.9rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  font-family:var(--font);
}
.pb-faq-q::after{content:"+";color:var(--rose);font-size:1.1rem;transition:.2s}
.pb-faq-item.open .pb-faq-q::after{content:"−"}
.pb-faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  font-size:.86rem;color:var(--silver);padding:0 16px;
}
.pb-faq-item.open .pb-faq-a{max-height:400px;padding:0 16px 14px}

/* CTA strip */
.pb-cta{
  text-align:center;padding:32px 20px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(155,93,229,.15),rgba(255,77,141,.1));
  border:1px solid var(--line);margin-top:36px;
}
.pb-cta p{font-size:.9rem;color:var(--silver);margin-bottom:16px}
.pb-btn-dl{
  display:inline-block;padding:12px 32px;border-radius:24px;
  background:linear-gradient(135deg,var(--violet),var(--rose));
  color:var(--pearl);font-weight:600;font-size:.92rem;
  box-shadow:0 6px 24px rgba(255,77,141,.3);
  transition:transform .2s,box-shadow .2s;
}
.pb-btn-dl:hover{color:var(--pearl);transform:translateY(-2px);box-shadow:0 10px 32px rgba(255,77,141,.4)}

/* Breadcrumb */
.pb-crumb{
  padding:calc(var(--nav-h) + 18px) 0 12px;
  font-size:.78rem;color:var(--silver);
}
.pb-crumb a{color:var(--silver)}
.pb-crumb a:hover{color:var(--rose-soft)}
.pb-crumb span{margin:0 6px;opacity:.5}

/* Subpage */
.pb-page{padding-bottom:48px}
.pb-page h1{
  font-family:var(--font-serif);font-size:1.6rem;margin-bottom:20px;
  color:var(--pearl);
}
.pb-page h2{font-size:1.1rem;margin:24px 0 10px;color:var(--rose-soft)}
.pb-page p,.pb-page li{font-size:.88rem;color:var(--silver);margin-bottom:12px}
.pb-page ul,.pb-page ol{padding-left:22px;margin-bottom:16px}
.pb-page li{margin-bottom:6px}

/* Footer */
.pb-footer{
  padding:28px 0 36px;border-top:1px solid var(--line);
  text-align:center;font-size:.78rem;color:var(--silver);
}
.pb-footer nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;margin-bottom:12px}
.pb-footer nav a{color:var(--silver);font-size:.8rem}
.pb-footer nav a:hover{color:var(--rose-soft)}

/* Error pages */
.pb-error{
  min-height:70vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:40px 16px;
}
.pb-error h1{font-size:4rem;font-family:var(--font-serif);
  background:linear-gradient(135deg,var(--violet),var(--rose));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.pb-error p{color:var(--silver);margin:12px 0 24px;font-size:.92rem}

/* Mobile nav */
@media(max-width:768px){
  .pb-menu-btn{display:block}
  .pb-nav{
    position:fixed;top:var(--nav-h);left:0;right:0;
    background:rgba(10,6,18,.98);backdrop-filter:blur(14px);
    flex-direction:column;padding:12px 16px 20px;
    border-bottom:1px solid var(--line);
    transform:translateY(-120%);opacity:0;pointer-events:none;
    transition:transform .3s,opacity .3s;
  }
  .pb-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .pb-nav a{width:100%;padding:12px 14px;font-size:.92rem}
}