/* AutoHotey - Dark Premium Theme */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0b0e14;
  --bg-card:#131720;
  --bg-card-hover:#181d2a;
  --bg-elevated:#1a1f2e;
  --border:#1e2433;
  --border-light:#2a3040;
  --text:#d4d8e3;
  --text-dim:#7a8194;
  --text-muted:#4a5068;
  --accent:#4a7dbd;
  --accent-dim:#3a6199;
  --accent-glow:rgba(74,125,189,0.12);
  --success:#3d9e6e;
  --warning:#c4853a;
  --radius:8px;
  --radius-lg:14px;
  --shadow:0 2px 20px rgba(0,0,0,0.3);
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
  --max-w:1140px;
  --nav-h:64px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:#6a9fd8}
img{max-width:100%;height:auto;display:block}

/* Container */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* Navigation */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  background:rgba(11,14,20,0.85);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:background var(--transition);
}
.site-nav .container{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.2rem;font-weight:700;color:var(--text);
  letter-spacing:-0.02em;
}
.nav-logo img{width:32px;height:32px;border-radius:6px}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;gap:6px;list-style:none}
.nav-links a{
  display:inline-block;padding:8px 16px;border-radius:6px;
  font-size:0.9rem;color:var(--text-dim);
  transition:all var(--transition);
}
.nav-links a:hover,.nav-links a.active{
  color:var(--text);background:var(--bg-elevated);
}
.nav-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:8px}
.nav-toggle svg{width:24px;height:24px}

/* Hero */
.hero{
  padding:calc(var(--nav-h) + 80px) 0 80px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:0;left:50%;
  transform:translateX(-50%);
  width:600px;height:600px;
  background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);
  pointer-events:none;
}
.hero-badge{
  display:inline-block;
  padding:6px 18px;
  border:1px solid var(--border-light);
  border-radius:20px;
  font-size:0.8rem;color:var(--text-dim);
  margin-bottom:28px;
  letter-spacing:0.03em;
}
.hero h1{
  font-size:clamp(2rem,5vw,3.2rem);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-0.03em;
  margin-bottom:20px;
  color:#eef1f8;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--accent),#6aafcf);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-desc{
  max-width:620px;margin:0 auto 36px;
  font-size:1.05rem;color:var(--text-dim);
  line-height:1.8;
}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius);
  font-size:0.95rem;font-weight:600;
  cursor:pointer;border:none;
  transition:all var(--transition);
}
.btn-primary{
  background:var(--accent);color:#fff;
  box-shadow:0 2px 16px rgba(74,125,189,0.25);
}
.btn-primary:hover{
  background:#5a8dd0;transform:translateY(-1px);
  box-shadow:0 4px 24px rgba(74,125,189,0.35);
  color:#fff;
}
.btn-ghost{
  background:transparent;color:var(--text-dim);
  border:1px solid var(--border-light);
}
.btn-ghost:hover{
  color:var(--text);border-color:var(--text-muted);
  background:var(--bg-elevated);
}

/* Section */
.section{padding:80px 0}
.section-alt{background:var(--bg-card)}
.section-title{
  text-align:center;margin-bottom:50px;
}
.section-title h2{
  font-size:1.8rem;font-weight:700;
  letter-spacing:-0.02em;
  color:#eef1f8;
  margin-bottom:12px;
}
.section-title p{
  color:var(--text-dim);font-size:0.95rem;
  max-width:520px;margin:0 auto;
}

/* Feature Cards */
.features-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.feature-card{
  padding:32px 28px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  transition:all var(--transition);
}
.feature-card:hover{
  border-color:var(--border-light);
  background:var(--bg-card-hover);
  transform:translateY(-3px);
  box-shadow:var(--shadow);
}
.feature-icon{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--accent-glow);
  color:var(--accent);
  margin-bottom:18px;
  font-size:1.2rem;
}
.feature-card h3{
  font-size:1.05rem;font-weight:600;
  color:#e0e4ee;margin-bottom:10px;
}
.feature-card p{
  font-size:0.88rem;color:var(--text-dim);
  line-height:1.7;
}

/* Screenshots */
.screenshots-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.screenshot-item{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  transition:all var(--transition);
  background:var(--bg-card);
}
.screenshot-item:hover{
  border-color:var(--border-light);
  box-shadow:var(--shadow);
  transform:translateY(-2px);
}
.screenshot-item img{
  width:100%;height:auto;
  display:block;
}
.screenshot-item .caption{
  padding:14px 18px;
  font-size:0.85rem;color:var(--text-dim);
  border-top:1px solid var(--border);
}

/* Steps */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step{
  text-align:center;
  padding:28px 20px;
  position:relative;
  counter-increment:step;
}
.step::before{
  content:counter(step,decimal-leading-zero);
  display:block;
  font-size:2rem;font-weight:800;
  color:var(--accent-dim);
  opacity:0.4;
  margin-bottom:14px;
  letter-spacing:-0.05em;
}
.step h4{
  font-size:0.95rem;font-weight:600;
  color:#e0e4ee;margin-bottom:8px;
}
.step p{
  font-size:0.83rem;color:var(--text-dim);
  line-height:1.6;
}

/* Download Section */
.download-cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  max-width:780px;
  margin:0 auto;
}
.download-card{
  padding:36px 30px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  text-align:center;
  transition:all var(--transition);
}
.download-card:hover{
  border-color:var(--accent-dim);
  box-shadow:0 0 30px var(--accent-glow);
}
.download-card .card-icon{
  width:52px;height:52px;
  margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  font-size:1.4rem;
}
.download-card.quark .card-icon{
  background:rgba(39,159,217,0.1);color:#279fd9;
}
.download-card.baidu .card-icon{
  background:rgba(38,108,216,0.1);color:#266cd8;
}
.download-card h3{
  font-size:1.1rem;font-weight:600;
  color:#e0e4ee;margin-bottom:8px;
}
.download-card .card-desc{
  font-size:0.85rem;color:var(--text-dim);
  margin-bottom:22px;line-height:1.6;
}
.download-card .btn{width:100%;justify-content:center}

/* QR Modal */
.qr-overlay{
  display:none;
  position:fixed;top:0;left:0;right:0;bottom:0;
  z-index:200;
  background:rgba(0,0,0,0.7);
  backdrop-filter:blur(8px);
  align-items:center;justify-content:center;
}
.qr-overlay.active{display:flex}
.qr-modal{
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:40px;
  text-align:center;
  max-width:380px;
  width:90%;
  position:relative;
  animation:qrFadeIn 0.3s ease;
}
@keyframes qrFadeIn{
  from{opacity:0;transform:scale(0.92)}
  to{opacity:1;transform:scale(1)}
}
.qr-close{
  position:absolute;top:14px;right:14px;
  background:none;border:none;
  color:var(--text-muted);cursor:pointer;
  font-size:1.4rem;line-height:1;
  transition:color var(--transition);
}
.qr-close:hover{color:var(--text)}
.qr-modal h3{
  font-size:1.1rem;font-weight:600;
  color:#e0e4ee;margin-bottom:6px;
}
.qr-modal .qr-subtitle{
  font-size:0.85rem;color:var(--text-dim);
  margin-bottom:22px;
}
.qr-modal img.qr-img{
  width:200px;height:200px;
  margin:0 auto 18px;
  border-radius:var(--radius);
  border:1px solid var(--border);
}
.qr-modal .qr-tip{
  font-size:0.8rem;color:var(--text-muted);
  line-height:1.6;
}
.qr-modal .qr-link{
  display:block;margin-top:12px;
  font-size:0.78rem;color:var(--accent);
  word-break:break-all;
  padding:10px 14px;
  background:var(--bg);
  border-radius:6px;
  border:1px solid var(--border);
}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--transition);
}
.faq-item:hover{border-color:var(--border-light)}
.faq-q{
  padding:18px 24px;
  font-size:0.95rem;font-weight:600;
  color:#e0e4ee;
  cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  background:var(--bg-card);
  transition:background var(--transition);
  user-select:none;
}
.faq-q:hover{background:var(--bg-card-hover)}
.faq-q::after{
  content:'+';font-size:1.2rem;
  color:var(--text-muted);
  transition:transform var(--transition);
  flex-shrink:0;margin-left:16px;
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 0.35s ease;
}
.faq-a-inner{
  padding:0 24px 20px;
  font-size:0.88rem;color:var(--text-dim);
  line-height:1.8;
}

/* Features Detail Page */
.feature-detail{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  margin-bottom:64px;
}
.feature-detail:nth-child(even){direction:rtl}
.feature-detail:nth-child(even) > *{direction:ltr}
.feature-detail .fd-text h3{
  font-size:1.3rem;font-weight:700;
  color:#e0e4ee;margin-bottom:14px;
}
.feature-detail .fd-text p{
  font-size:0.9rem;color:var(--text-dim);
  line-height:1.8;margin-bottom:16px;
}
.feature-detail .fd-img{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
}
.feature-detail .fd-img img{width:100%;height:auto}
.feature-tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:4px;
  font-size:0.75rem;
  background:var(--accent-glow);
  color:var(--accent);
  margin-right:6px;
  margin-bottom:6px;
}

/* CTA */
.cta-section{
  text-align:center;
  padding:80px 0;
  position:relative;
}
.cta-section::before{
  content:'';position:absolute;
  bottom:0;left:50%;transform:translateX(-50%);
  width:500px;height:400px;
  background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);
  pointer-events:none;
}
.cta-section h2{
  font-size:1.8rem;font-weight:700;
  color:#eef1f8;margin-bottom:14px;
}
.cta-section p{
  color:var(--text-dim);font-size:0.95rem;
  margin-bottom:32px;
  max-width:480px;margin-left:auto;margin-right:auto;
}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  padding:40px 0 32px;
  text-align:center;
}
.footer-links{
  display:flex;justify-content:center;gap:24px;
  margin-bottom:18px;
  flex-wrap:wrap;
}
.footer-links a{
  font-size:0.85rem;color:var(--text-dim);
}
.footer-links a:hover{color:var(--text)}
.footer-copy{
  font-size:0.78rem;color:var(--text-muted);
  line-height:1.8;
}

/* Fade-in Animation */
.fade-in{opacity:0;transform:translateY(16px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Breadcrumb */
.breadcrumb{
  padding:calc(var(--nav-h) + 24px) 0 0;
  font-size:0.82rem;color:var(--text-muted);
}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 8px;color:var(--text-muted)}

/* Page Header */
.page-header{
  padding:24px 0 48px;
  text-align:center;
}
.page-header h1{
  font-size:2rem;font-weight:700;
  color:#eef1f8;margin-bottom:12px;
  letter-spacing:-0.02em;
}
.page-header p{
  color:var(--text-dim);font-size:0.95rem;
  max-width:560px;margin:0 auto;
}

/* Info Box */
.info-box{
  max-width:680px;margin:0 auto;
  padding:28px 32px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
}
.info-box h3{
  font-size:1rem;font-weight:600;
  color:#e0e4ee;margin-bottom:14px;
}
.info-box p{
  font-size:0.88rem;color:var(--text-dim);
  line-height:1.8;margin-bottom:10px;
}
.info-box .link-row{
  display:flex;align-items:center;gap:10px;
  padding:12px 0;
  border-bottom:1px solid var(--border);
}
.info-box .link-row:last-child{border-bottom:none}
.info-box .link-label{
  font-size:0.85rem;font-weight:600;
  color:var(--text);min-width:80px;
}
.info-box .link-value{
  font-size:0.82rem;color:var(--accent);
  word-break:break-all;
}

/* Download Cards (new layout) */
.dl-card{
  display:flex;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  margin-bottom:24px;
  overflow:hidden;
  transition:border-color var(--transition);
}
.dl-card:hover{border-color:var(--border-light)}
.dl-card-left{
  flex:1;padding:32px;
  border-right:1px solid var(--border);
}
.dl-card-right{
  width:260px;flex-shrink:0;
  padding:32px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  text-align:center;
}
.dl-card-title{
  font-size:1.15rem;font-weight:700;
  color:#e0e4ee;margin-bottom:18px;
}
.dl-check-list{list-style:none;margin-bottom:18px}
.dl-check-list li{
  display:flex;align-items:center;gap:10px;
  padding:6px 0;
  font-size:0.88rem;color:var(--text-dim);
}
.dl-check-list li svg{flex-shrink:0}
.dl-meta{
  display:flex;gap:16px;flex-wrap:wrap;
  font-size:0.78rem;color:var(--text-muted);
  padding-top:14px;
  border-top:1px solid var(--border);
}
.dl-meta span{white-space:nowrap}
.qr-frame{
  padding:10px;
  background:var(--bg);
  border-radius:var(--radius);
  margin-bottom:12px;
  display:inline-block;
}
.dl-qr-tip{
  font-size:0.8rem;color:var(--text-muted);
  margin-bottom:16px;
}
.dl-warning{
  display:flex;align-items:flex-start;gap:12px;
  max-width:780px;margin:32px auto 0;
  padding:18px 24px;
  background:rgba(196,133,58,0.06);
  border:1px solid rgba(196,133,58,0.2);
  border-radius:var(--radius);
  font-size:0.84rem;color:var(--text-dim);
  line-height:1.7;
}
.dl-warning svg{flex-shrink:0;margin-top:2px}
.dl-warning strong{color:var(--warning)}

/* QR Breathing Animation */
@keyframes qrBreath{
  0%,100%{
    box-shadow:0 0 0 2px rgba(74,125,189,0.15);
    transform:scale(1);
  }
  50%{
    box-shadow:0 0 14px 3px rgba(74,125,189,0.3);
    transform:scale(1.025);
  }
}
.qr-breath{
  border-radius:6px;
  animation:qrBreath 3s ease-in-out infinite;
}

/* Responsive */
@media(max-width:900px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .feature-detail{grid-template-columns:1fr;gap:28px}
  .feature-detail:nth-child(even){direction:ltr}
  .screenshots-grid{grid-template-columns:1fr}
  .dl-card-right{width:220px;padding:24px}
}
@media(max-width:640px){
  .features-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .download-cards{grid-template-columns:1fr}
  .dl-card{flex-direction:column}
  .dl-card-left{border-right:none;border-bottom:1px solid var(--border)}
  .dl-card-right{width:100%;padding:24px}
  .nav-links{
    display:none;
    position:absolute;top:var(--nav-h);left:0;right:0;
    flex-direction:column;
    background:var(--bg-card);
    border-bottom:1px solid var(--border);
    padding:12px 24px;gap:4px;
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .hero h1{font-size:1.8rem}
  .hero{padding:calc(var(--nav-h) + 48px) 0 48px}
  .section{padding:48px 0}
  .page-header h1{font-size:1.5rem}
}