*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0f;
  --bg-card:#14141f;
  --bg-card-hover:#1c1c2e;
  --text:#f0f0f5;
  --text-muted:#9a9ab0;
  --accent:#ff2d55;
  --accent-hover:#ff4d6d;
  --accent-glow:rgba(255,45,85,.25);
  --cyan:#00f2ea;
  --border:#2a2a3d;
  --radius:12px;
  --max-w:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--cyan);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
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:100;background:rgba(10,10,15,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:var(--max-w);margin:0 auto}
.logo-link{display:flex;align-items:center;gap:12px}
.logo-link img{width:42px;height:42px;border-radius:8px}
.logo-text{font-size:1.35rem;font-weight:700;color:var(--text)}
.logo-text span{color:var(--accent)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:var(--text-muted);font-size:.95rem;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{padding:60px 0 50px;text-align:center;background:linear-gradient(180deg,rgba(255,45,85,.08) 0%,transparent 60%)}
.hero h1{font-size:2.2rem;line-height:1.35;margin-bottom:16px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-desc{font-size:1.1rem;color:var(--text-muted);max-width:720px;margin:0 auto 32px}
.btn-download{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:#fff;padding:14px 36px;border-radius:50px;font-size:1.05rem;font-weight:600;border:none;cursor:pointer;transition:all .25s;box-shadow:0 4px 24px var(--accent-glow)}
.btn-download:hover{background:var(--accent-hover);transform:translateY(-2px);color:#fff}
.hero-badges{display:flex;justify-content:center;gap:24px;margin-top:28px;flex-wrap:wrap}
.badge-item{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.9rem}
.badge-item svg{width:18px;height:18px;fill:var(--accent)}

/* Sections */
section{padding:50px 0}
.section-title{font-size:1.75rem;font-weight:700;margin-bottom:12px;text-align:center}
.section-subtitle{text-align:center;color:var(--text-muted);margin-bottom:40px;max-width:640px;margin-left:auto;margin-right:auto}

/* Feature cards */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .3s}
.feature-card:hover{background:var(--bg-card-hover);border-color:var(--accent);transform:translateY(-4px)}
.feature-card h3{font-size:1.15rem;margin-bottom:10px;color:var(--text)}
.feature-card p{color:var(--text-muted);font-size:.92rem;line-height:1.7}
.feature-icon{width:48px;height:48px;background:var(--accent-glow);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.4rem}

/* Screenshot gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.gallery-item{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s}
.gallery-item:hover{border-color:var(--accent);transform:scale(1.02)}
.gallery-item img{width:100%;aspect-ratio:9/16;object-fit:cover}
.gallery-caption{padding:14px 16px}
.gallery-caption h4{font-size:.95rem;margin-bottom:4px}
.gallery-caption p{font-size:.82rem;color:var(--text-muted)}

/* Content article */
.content-article{max-width:860px;margin:0 auto}
.content-article h2{font-size:1.5rem;margin:36px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--accent);display:inline-block}
.content-article h3{font-size:1.2rem;margin:28px 0 12px;color:var(--text)}
.content-article p{margin-bottom:16px;color:var(--text-muted);text-align:justify}
.content-article ul,.content-article ol{margin:12px 0 20px 24px;color:var(--text-muted)}
.content-article li{margin-bottom:8px}
.content-article strong{color:var(--text)}

/* Category tags */
.category-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:30px 0}
.tag{display:inline-block;padding:6px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;font-size:.85rem;color:var(--text-muted);transition:all .2s}
.tag:hover{border-color:var(--accent);color:var(--accent)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:"+";font-size:1.3rem;color:var(--accent);transition:transform .2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 22px 18px;color:var(--text-muted);font-size:.92rem;display:none}
.faq-item.open .faq-a{display:block}

/* Download steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:30px}
.step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;position:relative}
.step-num{width:36px;height:36px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 14px}
.step-card h4{margin-bottom:8px}
.step-card p{font-size:.88rem;color:var(--text-muted)}

/* Breadcrumb */
.breadcrumb{padding:16px 0;font-size:.88rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 8px}

/* Page hero */
.page-hero{padding:40px 0 30px;text-align:center;border-bottom:1px solid var(--border);margin-bottom:30px}
.page-hero h1{font-size:2rem;margin-bottom:10px}
.page-hero p{color:var(--text-muted)}

/* Footer */
.site-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:40px 0 24px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{font-size:1rem;margin-bottom:14px;color:var(--text)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--text-muted);font-size:.9rem}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.85rem}

/* Error pages */
.error-page{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.error-code{font-size:6rem;font-weight:800;color:var(--accent);line-height:1}
.error-page h1{font-size:1.6rem;margin:16px 0 10px}
.error-page p{color:var(--text-muted);margin-bottom:24px}

/* Legal pages */
.legal-content{max-width:860px;margin:0 auto;padding-bottom:50px}
.legal-content h2{font-size:1.3rem;margin:30px 0 14px;color:var(--text)}
.legal-content p,.legal-content li{color:var(--text-muted);margin-bottom:12px;font-size:.93rem}
.legal-content ul,.legal-content ol{margin:10px 0 16px 24px}
.legal-content .update-date{color:var(--text-muted);font-size:.88rem;margin-bottom:24px}

/* Internal links box */
.internal-links{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin:30px 0}
.internal-links h3{font-size:1.05rem;margin-bottom:14px}
.internal-links ul{list-style:none;display:flex;flex-wrap:wrap;gap:12px}
.internal-links a{display:inline-block;padding:6px 14px;background:var(--bg);border:1px solid var(--border);border-radius:6px;font-size:.88rem;color:var(--text-muted)}
.internal-links a:hover{border-color:var(--accent);color:var(--accent)}

/* Ads bar - sticky below header */
.ads-bar{
  position:sticky;
  top:61px;
  z-index:99;
  background:rgba(10,10,15,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  padding:6px 0;
  min-height:88px
}
#ads{
  display:flex;
  justify-content:center;
  align-items:flex-start;
  flex-wrap:nowrap;
  overflow-x:auto;
  gap:10px;
  background:transparent;
  margin:0;
  padding:4px 16px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none
}
#ads::-webkit-scrollbar{display:none}
#ads>div{
  display:flex;
  flex-direction:column;
  align-items:center;
  width:72px;
  flex-shrink:0;
  box-sizing:border-box
}
#ads img{
  width:65px;
  height:65px;
  object-fit:cover;
  border-radius:18px;
  box-shadow:0 6px 18px rgba(0,0,0,.35);
  transition:transform .18s ease,box-shadow .18s ease;
  display:block;
  border:none;
  background:linear-gradient(135deg,#fff,#f5f5f5)
}
#ads a{
  display:inline-block;
  text-decoration:none;
  border-radius:15px
}
#ads img:hover{
  transform:translateY(-4px) scale(1.04);
  box-shadow:0 10px 24px rgba(255,45,85,.35)
}
#ads figcaption,#ads .caption{
  height:15px;
  font-size:11px;
  color:var(--text-muted);
  text-align:center;
  max-width:72px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  margin-top:4px
}

/* Responsive */
@media(max-width:768px){
  .header-inner{position:relative}
  .header-inner nav{width:0}
  .nav-links{display:none;position:absolute;top:100%;right:20px;left:auto;width:220px;background:var(--bg-card);flex-direction:column;padding:12px;gap:8px;border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 24px rgba(0,0,0,.35);align-items:stretch;text-align:left}
  .nav-links a{display:block;width:100%;text-align:left;padding:8px 10px;border-radius:8px}
  .breadcrumb{display:flex !important;width:100% !important;justify-content:flex-end !important;align-items:center;flex-wrap:wrap;gap:4px;text-align:left}
  .breadcrumb a,.breadcrumb span{margin:0 !important;text-align:left}
  .nav-links.open{display:flex}
  .menu-toggle{display:block;margin-left:auto}
  .hero h1{font-size:1.6rem}
  .section-title{font-size:1.4rem}
}