*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#e84393;
  --primary-dark:#d63384;
  --secondary:#fd79a8;
  --bg:#0f0f14;
  --bg-card:#1a1a24;
  --bg-card-hover:#222230;
  --text:#f0f0f5;
  --text-muted:#a0a0b8;
  --border:#2a2a3a;
  --radius:12px;
  --shadow:0 4px 24px rgba(0,0,0,.4);
  --max-w:1200px;
  --header-h:64px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  min-height:100vh;
}
a{color:var(--secondary);text-decoration:none;transition:color .2s}
a:hover{color:#fff}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(15,15,20,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  height:var(--header-h);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--text)}
.logo img{width:36px;height:36px;border-radius:8px;object-fit:cover}
.nav-desktop{display:flex;gap:6px}
.nav-desktop a{
  padding:8px 14px;border-radius:8px;color:var(--text-muted);
  font-size:.9rem;transition:background .2s,color .2s
}
.nav-desktop a:hover,.nav-desktop a.active{background:rgba(232,67,147,.15);color:var(--secondary)}
.hamburger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:8px;
}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);transition:transform .3s,opacity .3s}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile{
  display:none;position:fixed;top:var(--header-h);left:0;right:0;
  background:rgba(15,15,20,.98);border-bottom:1px solid var(--border);
  padding:16px 20px;flex-direction:column;gap:4px;z-index:999;
}
.nav-mobile.open{display:flex}
.nav-mobile a{
  padding:12px 16px;border-radius:8px;color:var(--text-muted);font-size:1rem;
  border-bottom:1px solid var(--border)
}
.nav-mobile a:hover{background:rgba(232,67,147,.1);color:var(--secondary)}

/* Hero */
.hero{
  padding:60px 0 40px;
  background:linear-gradient(135deg,rgba(232,67,147,.12) 0%,rgba(15,15,20,0) 60%);
}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);line-height:1.3;margin-bottom:16px}
.hero-lead{font-size:1.05rem;color:var(--text-muted);max-width:720px;margin-bottom:28px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:50px;font-weight:600;font-size:.95rem;
  transition:transform .2s,box-shadow .2s;cursor:pointer;border:none
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,67,147,.35);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--secondary)}
.btn-outline:hover{background:rgba(232,67,147,.1);color:#fff}

/* Sections */
section{padding:48px 0}
.section-title{font-size:1.6rem;margin-bottom:8px;text-align:center}
.section-subtitle{text-align:center;color:var(--text-muted);margin-bottom:36px;max-width:640px;margin-left:auto;margin-right:auto}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.feature-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:transform .2s,border-color .2s
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--primary)}
.feature-card h3{font-size:1.1rem;margin-bottom:10px;color:var(--secondary)}
.feature-card p{color:var(--text-muted);font-size:.92rem}

/* Screenshot gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.gallery-item{
  background:var(--bg-card);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);transition:transform .2s
}
.gallery-item:hover{transform:translateY(-4px)}
.gallery-item img{width:100%;object-fit:cover;background:#111}
.gallery-caption{padding:16px}
.gallery-caption h3{font-size:1rem;margin-bottom:6px}
.gallery-caption p{font-size:.85rem;color:var(--text-muted)}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;text-align:center}
.stat-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 20px}
.stat-num{font-size:2rem;font-weight:800;color:var(--primary);margin-bottom:4px}
.stat-label{color:var(--text-muted);font-size:.9rem}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{
  width:100%;text-align:left;padding:18px 20px;background:var(--bg-card);
  border:none;color:var(--text);font-size:1rem;font-weight:600;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center
}
.faq-q::after{content:"+";font-size:1.3rem;color:var(--primary);transition:transform .2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;color:var(--text-muted);font-size:.92rem}
.faq-item.open .faq-a{display:block}

/* Content article */
.content-page{padding:40px 0 60px}
.content-page h1{font-size:1.8rem;margin-bottom:20px}
.content-page h2{font-size:1.3rem;margin:28px 0 12px;color:var(--secondary)}
.content-page h3{font-size:1.1rem;margin:20px 0 8px}
.content-page p,.content-page li{color:var(--text-muted);margin-bottom:12px}
.content-page ul,.content-page ol{padding-left:24px;margin-bottom:16px}
.content-page ul li{list-style:disc}
.content-page ol li{list-style:decimal}

/* Guide sections */
.guide-section{margin-bottom:40px}
.guide-section h2{font-size:1.35rem;margin-bottom:14px;padding-left:14px;border-left:4px solid var(--primary)}
.guide-section p{color:var(--text-muted);margin-bottom:12px;text-align:justify}
.guide-section ul{padding-left:24px;margin:12px 0}
.guide-section li{color:var(--text-muted);margin-bottom:6px;list-style:disc}

/* CTA */
.cta-section{
  text-align:center;padding:56px 20px;
  background:linear-gradient(135deg,rgba(232,67,147,.15),rgba(253,121,168,.08));
  border-radius:var(--radius);margin:20px 0
}
.cta-section h2{margin-bottom:12px}
.cta-section p{color:var(--text-muted);margin-bottom:24px}

/* Breadcrumb */
.breadcrumb{padding:16px 0;font-size:.85rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--secondary)}

/* Internal links nav */
.internal-nav{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;margin-top:40px
}
.internal-nav h3{font-size:1rem;margin-bottom:12px;color:var(--secondary)}
.internal-nav ul{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;padding:0}
.internal-nav li a{font-size:.9rem}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);padding:40px 0 24px;margin-top:40px;
  background:var(--bg-card)
}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:32px}
.footer-col h4{font-size:.95rem;margin-bottom:12px;color:var(--text)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--text-muted);font-size:.88rem}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.82rem}

/* Error pages */
.error-page{text-align:center;padding:80px 20px;min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center}
.error-code{font-size:6rem;font-weight:800;color:var(--primary);line-height:1}
.error-msg{font-size:1.2rem;margin:16px 0 24px;color:var(--text-muted)}

/* Responsive */
@media(max-width:768px){
  .nav-desktop{display:none}
  .hamburger{display:flex}
  .hero{padding:40px 0 28px}
  section{padding:36px 0}
  .gallery-grid{grid-template-columns:1fr}
}

/* APP推荐下载 - 内容区顶部 */
.applist-top{
  position:sticky;top:var(--header-h);z-index:99;
  background:rgba(15,15,20,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  padding:12px 0 14px;
  box-shadow:0 4px 16px rgba(0,0,0,.25)
}
.applist-section{padding:24px 0}
.applist-top .applist-title{
  text-align:center;font-size:.88rem;font-weight:600;
  color:var(--secondary);margin-bottom:10px;letter-spacing:.04em
}
.applist-title{text-align:center;font-size:1rem;color:var(--text-muted);margin-bottom:16px}
#ads{
  display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;
  background:transparent;margin:0;gap:16px 0px
}
#ads>div{
  display:flex;flex-direction:column;align-items:center;width:78px;box-sizing:border-box
}
.applist-top #ads>div{width:82px}
#ads img{
  width:65px;height:65px;object-fit:cover;border-radius:18px;
  box-shadow:0 6px 18px rgba(0,0,0,.3);transition:transform .18s ease,box-shadow .18s ease;
  display:block;border:none;background:linear-gradient(135deg,#fff,#fff)
}
.applist-top #ads img{width:72px;height:72px;border-radius:20px}
#ads a{display:inline-block;text-decoration:none;border-radius:15px;-webkit-tap-highlight-color:transparent}
#ads img:hover,#ads img:active{transform:translateY(-3px) scale(1.05);box-shadow:0 10px 24px rgba(232,67,147,.3)}
#ads figcaption,#ads .caption{
  height:15px;font-size:11px;color:var(--text-muted);text-align:center;
  max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:6px
}
.applist-top #ads .caption{color:var(--text);font-size:12px;margin-top:8px}