*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f0f1a;--bg2:#1a1a2e;--bg3:#252540;
  --accent:#ff2d55;--accent2:#ff6b35;--accent3:#7c3aed;
  --text:#e8e8f0;--text2:#a0a0b8;--border:#333355;
  --radius:12px;--shadow:0 4px 24px rgba(0,0,0,.4);
  --header-h:68px
}
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(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent2)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--text)}
.logo img{width:40px;height:40px;border-radius:10px}
nav ul{display:flex;list-style:none;gap:28px}
nav a{color:var(--text2);font-size:.95rem;font-weight:500}
nav a:hover,nav a.active{color:var(--accent)}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}
#ads-bar{position:sticky;top:var(--header-h);z-index:99;background:var(--bg2);border-bottom:1px solid var(--border);padding:10px 12px;backdrop-filter:blur(12px)}
#ads{display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;background:transparent;margin:0;gap:10px}
#ads>div{display:flex;flex-direction:column;align-items:center;width:70px;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:#fff}
#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(--text2);text-align:center;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}
.hero{background:linear-gradient(135deg,var(--bg2) 0%,#1e1040 50%,var(--bg) 100%);padding:60px 20px 80px;text-align:center}
.hero h1{font-size:2.2rem;margin-bottom:16px;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1.1rem;color:var(--text2);max-width:700px;margin:0 auto 28px}
.btn{display:inline-block;padding:12px 32px;border-radius:50px;font-weight:600;font-size:1rem;transition:transform .2s,box-shadow .2s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent3));color:#fff;box-shadow:0 4px 16px rgba(255,45,85,.3)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 24px rgba(255,45,85,.45)}
.btn-outline{border:2px solid var(--accent);color:var(--accent);margin-left:12px}
.btn-outline:hover{background:var(--accent);color:#fff}
section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.8rem;margin-bottom:10px}
.section-title p{color:var(--text2);max-width:600px;margin:0 auto}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-body{padding:20px}
.card-body h3{font-size:1.1rem;margin-bottom:8px}
.card-body p{color:var(--text2);font-size:.9rem}
.card img{width:100%;aspect-ratio:9/16;object-fit:cover;background:var(--bg3)}
.feature-img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}
.feature-list{list-style:none}
.feature-list li{padding:10px 0 10px 28px;position:relative;color:var(--text2);border-bottom:1px solid var(--border)}
.feature-list li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.content-block{max-width:860px;margin:0 auto}
.content-block h2{font-size:1.5rem;margin:36px 0 16px;color:var(--text)}
.content-block h3{font-size:1.2rem;margin:28px 0 12px;color:var(--text)}
.content-block p,.content-block li{color:var(--text2);margin-bottom:14px}
.content-block ul,.content-block ol{padding-left:24px;margin-bottom:16px}
.content-block ul li,.content-block ol li{margin-bottom:8px;color:var(--text2)}
.steps{counter-reset:step}
.step{display:flex;gap:20px;margin-bottom:28px;align-items:flex-start}
.step-num{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent3));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}
.step-content h3{margin-bottom:6px}
.step-content p{color:var(--text2);font-size:.95rem}
.faq-item{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;padding:20px 24px}
.faq-item h3{font-size:1rem;margin-bottom:8px;color:var(--accent)}
.faq-item p{color:var(--text2);font-size:.92rem}
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;background:var(--bg3);color:var(--accent);margin:2px 4px 2px 0}
.cta-section{background:linear-gradient(135deg,#1e1040,var(--bg2));text-align:center;padding:60px 20px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta-section h2{margin-bottom:12px}
.cta-section p{color:var(--text2);margin-bottom:24px}
footer{background:var(--bg2);border-top:1px solid var(--border);padding:40px 20px 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;max-width:1200px;margin:0 auto 32px}
.footer-brand p{color:var(--text2);font-size:.9rem;margin-top:12px;line-height:1.6}
.footer-col h4{font-size:.95rem;margin-bottom:14px;color:var(--text)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--text2);font-size:.88rem}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid var(--border);color:var(--text2);font-size:.85rem;max-width:1200px;margin:0 auto}
.page-header{background:var(--bg2);padding:48px 20px;text-align:center;border-bottom:1px solid var(--border)}
.page-header h1{font-size:2rem;margin-bottom:8px}
.page-header p{color:var(--text2)}
.breadcrumb{padding:16px 0;font-size:.88rem;color:var(--text2)}
.breadcrumb a{color:var(--text2)}
.breadcrumb a:hover{color:var(--accent)}
.error-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70vh;text-align:center;padding:40px 20px}
.error-page h1{font-size:6rem;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.error-page h2{margin:16px 0 12px}
.error-page p{color:var(--text2);margin-bottom:28px;max-width:480px}
.screenshot-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin:24px 0}
.screenshot-gallery figure{background:var(--bg2);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.screenshot-gallery figcaption{padding:10px 12px;font-size:.82rem;color:var(--text2);text-align:center}
.internal-links{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin:32px 0}
.internal-links h3{font-size:1rem;margin-bottom:12px}
.internal-links ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px}
.internal-links a{font-size:.9rem}
@media(max-width:992px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
}
@media(max-width:768px){
  :root{--header-h:60px}
  nav ul{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--bg2);padding:16px 20px;border-bottom:1px solid var(--border);gap:12px}
  nav ul.open{display:flex}
  .menu-toggle{display:block}
  .hero h1{font-size:1.6rem}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn-outline{margin-left:0;margin-top:12px}
  section{padding:40px 0}
}