/* roulang page: index */
:root{
  --color-primary:#1B5CFF;
  --color-primary-light:#6E8DFF;
  --color-primary-grad:linear-gradient(135deg,#1B5CFF 0%,#6E8DFF 100%);
  --color-accent:#E6C87A;
  --color-accent-light:#F5DDA0;
  --color-accent-grad:linear-gradient(135deg,#E6C87A 0%,#F5DDA0 100%);
  --bg-deep:#070D1F;
  --bg-panel:#0F1930;
  --bg-panel-light:#152341;
  --glass-bg:rgba(255,255,255,0.06);
  --glass-bg-hover:rgba(255,255,255,0.10);
  --glass-border:rgba(255,255,255,0.12);
  --text-primary:#FFFFFF;
  --text-secondary:rgba(255,255,255,0.75);
  --text-muted:rgba(255,255,255,0.55);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-badge:999px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover:0 16px 48px rgba(27,92,255,0.25);
  --shadow-gold:0 0 24px rgba(230,200,122,0.35);
  --space-section:96px;
  --transition:all 0.3s ease;
  --font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-family);
  background:var(--bg-deep);
  color:var(--text-primary);
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.section-header{
  margin-bottom:48px;
  text-align:left;
}
.section-line{
  display:block;
  width:48px;
  height:4px;
  background:var(--color-accent);
  border-radius:4px;
  margin-bottom:16px;
}
.section-header h2{
  font-size:32px;
  font-weight:600;
  color:var(--text-primary);
  margin-bottom:12px;
  line-height:1.3;
}
.section-header p{
  font-size:16px;
  color:var(--text-muted);
  max-width:560px;
  line-height:1.7;
}
.section-light{background:var(--bg-panel);}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:500;
  letter-spacing:0.02em;
  transition:var(--transition);
  line-height:1.4;
  min-height:44px;
  white-space:nowrap;
}
.btn-gold{
  background:var(--color-accent-grad);
  color:#1a1408;
  border:1px solid rgba(230,200,122,0.4);
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 32px rgba(230,200,122,0.5);
  color:#1a1408;
}
.btn-gold:active{
  transform:scale(0.98);
  box-shadow:none;
  filter:brightness(0.95);
}
.btn-glass{
  background:rgba(255,255,255,0.10);
  color:var(--text-primary);
  border:1px solid rgba(255,255,255,0.25);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.btn-glass:hover{
  background:rgba(255,255,255,0.18);
  border-color:var(--color-accent);
  color:#fff;
  transform:translateY(-1px);
}
.btn-glass:active{
  transform:scale(0.98);
}
.btn-lg{
  padding:16px 36px;
  font-size:16px;
  min-height:52px;
}
.btn-block{
  width:100%;
}

/* Header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(7,13,31,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  box-shadow:0 2px 20px rgba(0,0,0,0.3);
  transition:var(--transition);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-icon{
  width:40px;height:40px;
  border-radius:10px;
  background:var(--color-accent-grad);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:700;
  color:#1a1408;
  box-shadow:0 0 20px rgba(230,200,122,0.3);
}
.logo-text{
  font-size:20px;
  font-weight:700;
  color:#fff;
  letter-spacing:0.02em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:36px;
  flex:1;
  justify-content:center;
}
.main-nav a{
  position:relative;
  font-size:15px;
  color:var(--text-secondary);
  padding:8px 4px;
  font-weight:400;
  transition:var(--transition);
}
.main-nav a::after{
  content:"";
  position:absolute;
  bottom:0;left:0;
  width:0;height:2px;
  background:var(--color-accent);
  border-radius:2px;
  transition:width 0.3s ease;
}
.main-nav a:hover{
  color:#fff;
}
.main-nav a:hover::after{
  width:100%;
}
.main-nav a.active{
  color:var(--color-accent);
}
.main-nav a.active::after{
  width:100%;
}
.nav-cta{
  flex-shrink:0;
}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:10px;
  background:none;
  border:1px solid rgba(255,255,255,0.2);
  border-radius:8px;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
}
.hamburger span{
  display:block;
  width:20px;height:2px;
  background:#fff;
  border-radius:2px;
  transition:var(--transition);
}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Mobile drawer */
.mobile-drawer{
  display:none;
  position:fixed;
  top:72px;left:0;right:0;
  background:rgba(7,13,31,0.97);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.1);
  padding:24px;
  z-index:99;
  flex-direction:column;
  gap:12px;
}
.mobile-drawer.open{
  display:flex;
}
.mobile-drawer a{
  padding:14px 16px;
  border-radius:10px;
  font-size:16px;
  color:var(--text-secondary);
  background:rgba(255,255,255,0.04);
  transition:var(--transition);
}
.mobile-drawer a:hover{
  background:rgba(255,255,255,0.1);
  color:#fff;
}
.mobile-drawer a.active{
  color:var(--color-accent);
  background:rgba(230,200,122,0.1);
}
.mobile-drawer .btn{
  margin-top:8px;
}

/* Hero */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:120px 0 80px;
}
.hero-overlay{
  position:absolute;
  top:0;left:0;right:0;bottom:0;
  background:linear-gradient(90deg,rgba(7,13,31,0.88) 0%,rgba(7,13,31,0.72) 40%,rgba(7,13,31,0.35) 100%);
}
.hero-content{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:48px;
}
.hero-left{
  flex:1;
}
.hero-left h1{
  font-size:52px;
  font-weight:700;
  line-height:1.25;
  margin-bottom:20px;
  color:#fff;
  letter-spacing:0.01em;
}
.hero-left h1 .brand-gold{
  background:var(--color-accent-grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-subtitle{
  font-size:20px;
  color:rgba(255,255,255,0.75);
  line-height:1.7;
  margin-bottom:36px;
  max-width:480px;
}
.hero-buttons{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.hero-trust{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
  align-items:center;
}
.hero-trust span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-muted);
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  padding:6px 14px;
  border-radius:var(--radius-badge);
}
.hero-trust span i{
  color:var(--color-accent);
  font-size:12px;
}
.hero-right{
  flex:0 0 420px;
  position:relative;
}
.hero-card{
  background:var(--glass-bg);
  border:1px solid rgba(255,255,255,0.15);
  border-radius:20px;
  padding:16px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  transform:rotate(2deg);
  transition:var(--transition);
  animation:float 6s ease-in-out infinite;
}
.hero-card:hover{
  transform:rotate(0deg) translateY(-4px);
  border-color:rgba(230,200,122,0.4);
}
.hero-card img{
  border-radius:14px;
  width:100%;
  object-fit:cover;
}
.hero-card-info{
  padding:16px 8px 4px;
}
.hero-card-info h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:4px;
}
.hero-card-info p{
  font-size:14px;
  color:var(--text-muted);
}
@keyframes float{
  0%,100%{transform:rotate(2deg) translateY(0);}
  50%{transform:rotate(1deg) translateY(-8px);}
}

/* Services */
.services-section{
  background:var(--bg-deep);
}
.service-card{
  position:relative;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:32px;
  height:100%;
  transition:var(--transition);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:rgba(230,200,122,0.4);
  box-shadow:var(--shadow-hover);
  background:var(--glass-bg-hover);
}
.service-card .service-icon{
  width:56px;height:56px;
  border-radius:14px;
  background:var(--color-primary-grad);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  color:#fff;
  margin-bottom:20px;
  box-shadow:0 8px 24px rgba(27,92,255,0.3);
}
.service-card .service-icon.gold{
  background:var(--color-accent-grad);
  color:#1a1408;
  box-shadow:var(--shadow-gold);
}
.service-card h3{
  font-size:22px;
  font-weight:600;
  margin-bottom:10px;
  line-height:1.4;
}
.service-card p{
  font-size:15px;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:20px;
  flex-grow:1;
}
.service-card .service-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:500;
  color:var(--color-accent);
}
.service-card .service-link i{
  transition:transform 0.3s ease;
}
.service-card .service-link:hover i{
  transform:translateX(4px);
}
.service-card.small{
  padding:24px;
}
.service-card.small .service-icon{
  width:44px;height:44px;
  font-size:18px;
  border-radius:12px;
  margin-bottom:14px;
}
.service-card.small h3{
  font-size:17px;
  margin-bottom:6px;
}
.service-card.small p{
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:0;
  line-height:1.6;
}
.services-grid .grid-x{
  margin-bottom:24px;
}
.services-grid .grid-x:last-child{
  margin-bottom:0;
}

/* Testimonials */
.testimonials-section{
  background:var(--bg-panel);
  position:relative;
  overflow:hidden;
}
.testimonials-section::before{
  content:"";
  position:absolute;
  top:-60px;right:-60px;
  width:240px;height:240px;
  border-radius:50%;
  background:rgba(27,92,255,0.15);
  filter:blur(60px);
}
.orbit{
  max-width:860px;
  margin:0 auto;
  position:relative;
}
.orbit-wrapper{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:24px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:48px 56px;
  position:relative;
  transition:var(--transition);
}
.orbit-wrapper:hover{
  border-color:rgba(230,200,122,0.3);
}
.orbit-slide{
  list-style:none;
  text-align:center;
}
.testimonial-icon{
  font-size:48px;
  color:var(--color-accent);
  margin-bottom:16px;
  font-family:Georgia,serif;
  line-height:1;
  display:block;
}
.testimonial-stars{
  color:var(--color-accent);
  font-size:16px;
  letter-spacing:3px;
  margin-bottom:20px;
}
.testimonial-content{
  font-size:18px;
  color:var(--text-secondary);
  line-height:1.8;
  margin-bottom:24px;
  max-width:640px;
  margin-left:auto;
  margin-right:auto;
}
.testimonial-author{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
}
.testimonial-avatar{
  width:48px;height:48px;
  border-radius:50%;
  background:var(--color-primary-grad);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:600;
  color:#fff;
}
.testimonial-author-info{
  text-align:left;
}
.testimonial-author-info .name{
  font-size:15px;
  font-weight:600;
}
.testimonial-author-info .desc{
  font-size:13px;
  color:var(--text-muted);
}
.orbit-previous,.orbit-next{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:44px;height:44px;
  border-radius:50%;
  background:rgba(255,255,255,0.1);
  border:1px solid rgba(255,255,255,0.2);
  color:#fff;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:10;
  transition:var(--transition);
  backdrop-filter:blur(8px);
}
.orbit-previous{
  left:-22px;
}
.orbit-next{
  right:-22px;
}
.orbit-previous:hover,.orbit-next:hover{
  background:rgba(230,200,122,0.2);
  border-color:var(--color-accent);
  color:var(--color-accent);
}
.orbit-bullets{
  display:flex;
  justify-content:center;
  gap:8px;
  margin-top:24px;
}
.orbit-bullets button{
  width:28px;height:4px;
  border-radius:4px;
  background:rgba(255,255,255,0.2);
  transition:var(--transition);
  padding:0;
}
.orbit-bullets button.is-active{
  background:var(--color-accent);
  width:38px;
  box-shadow:0 0 8px rgba(230,200,122,0.4);
}

/* Guarantees */
.guarantees-section{
  background:var(--bg-deep);
}
.guarantee-item{
  text-align:center;
  padding:32px 20px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  transition:var(--transition);
  height:100%;
}
.guarantee-item:hover{
  transform:translateY(-4px);
  border-color:rgba(230,200,122,0.3);
  background:var(--glass-bg-hover);
}
.guarantee-icon{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:14px;
  background:rgba(230,200,122,0.12);
  border:1px solid rgba(230,200,122,0.2);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:var(--color-accent);
}
.guarantee-item h4{
  font-size:16px;
  font-weight:600;
  margin-bottom:6px;
}
.guarantee-item p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.6;
  margin-bottom:0;
}

/* CTA Section */
.cta-section{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  padding:120px 0;
}
.cta-section::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;bottom:0;
  background:linear-gradient(135deg,rgba(7,13,31,0.94),rgba(15,25,48,0.85));
}
.cta-card{
  position:relative;
  z-index:2;
  max-width:720px;
  margin:0 auto;
  text-align:center;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.15);
  border-radius:28px;
  padding:56px 48px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
}
.cta-card h2{
  font-size:34px;
  font-weight:700;
  margin-bottom:16px;
  line-height:1.3;
}
.cta-card p{
  font-size:17px;
  color:var(--text-secondary);
  margin-bottom:32px;
  line-height:1.7;
}

/* News / CMS Section */
.news-section{
  background:var(--bg-deep);
}
.news-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:28px;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(230,200,122,0.35);
  box-shadow:var(--shadow-hover);
  background:var(--glass-bg-hover);
}
.news-card-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:16px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  background:rgba(230,200,122,0.15);
  color:var(--color-accent);
  font-size:12px;
  font-weight:500;
  padding:4px 12px;
  border-radius:var(--radius-badge);
  border:1px solid rgba(230,200,122,0.2);
}
.news-card h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  line-height:1.5;
}
.news-card h3 a{
  transition:var(--transition);
}
.news-card h3 a:hover{
  color:var(--color-accent);
}
.news-excerpt{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:16px;
  flex-grow:1;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-muted);
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:14px;
}
.news-meta i{
  margin-right:4px;
  color:var(--color-accent);
  font-size:12px;
}
.news-link{
  color:var(--color-accent);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-link:hover{
  text-decoration:underline;
}
.empty-news{
  text-align:center;
  padding:48px;
  grid-column:1/-1;
  color:var(--text-muted);
  background:var(--glass-bg);
  border:1px dashed rgba(255,255,255,0.15);
  border-radius:var(--radius-card);
}
.empty-news i{
  font-size:32px;
  margin-bottom:12px;
  color:rgba(255,255,255,0.3);
  display:block;
}
.empty-news p{
  font-size:15px;
  opacity:0.8;
}

/* Footer */
.site-footer{
  background:#050810;
  border-top:1px solid rgba(255,255,255,0.06);
  padding-top:64px;
}
.footer-top{
  display:flex;
  justify-content:space-between;
  gap:40px;
  padding-bottom:48px;
  flex-wrap:wrap;
}
.footer-brand{
  flex:1;
  min-width:220px;
}
.footer-brand .logo{
  margin-bottom:16px;
}
.footer-brand p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  max-width:280px;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:16px;
}
.footer-social a{
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.1);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:var(--text-secondary);
  transition:var(--transition);
}
.footer-social a:hover{
  background:rgba(230,200,122,0.15);
  border-color:var(--color-accent);
  color:var(--color-accent);
}
.footer-links{
  display:flex;
  gap:48px;
  flex-wrap:wrap;
}
.footer-col h5{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:0.03em;
}
.footer-col ul{
  list-style:none;
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul a{
  font-size:14px;
  color:var(--text-muted);
  transition:var(--transition);
}
.footer-col ul a:hover{
  color:var(--color-accent);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:24px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.footer-bottom p{
  font-size:13px;
  color:rgba(255,255,255,0.4);
  margin:0;
}

/* Responsive */
@media screen and (max-width:1024px){
  :root{--space-section:72px;}
  .hero-left h1{font-size:42px;}
  .hero-right{flex-basis:340px;}
  .main-nav{gap:24px;}
  .footer-links{gap:32px;}
  .orbit-wrapper{padding:40px 36px;}
}
@media screen and (max-width:768px){
  :root{--space-section:56px;}
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .hamburger{display:flex;}
  .hero{padding:100px 0 60px;}
  .hero-content{flex-direction:column;}
  .hero-left h1{font-size:34px;}
  .hero-subtitle{font-size:17px;}
  .hero-right{flex-basis:auto;width:100%;max-width:420px;}
  .hero-card{transform:none;}
  .orbit-previous{left:8px;}
  .orbit-next{right:8px;}
  .orbit-wrapper{padding:32px 24px;}
  .cta-card{padding:40px 24px;}
  .cta-card h2{font-size:28px;}
  .footer-top{flex-direction:column;}
  .footer-links{width:100%;}
  .show-for-sr-only{display:none;}
}
@media screen and (max-width:640px){
  .container{padding:0 20px;}
  .hero-left h1{font-size:28px;}
  .hero-buttons{flex-direction:column;}
  .hero-buttons .btn{width:100%;}
  .hero-trust{gap:10px;}
  .hero-trust span{font-size:12px;padding:4px 10px;}
  .section-header h2{font-size:26px;}
  .testimonial-content{font-size:16px;}
  .cta-card{padding:32px 20px;}
  .cta-card h2{font-size:24px;}
  .cta-card p{font-size:15px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .footer-links{gap:24px;flex-direction:column;}
  .footer-col{width:100%;}
}

/* roulang page: article */
:root {
  --color-primary: #1B5CFF;
  --color-primary-hover: #2A6BFF;
  --color-accent: #E6C87A;
  --color-accent-light: #F5DDA0;
  --color-accent-dark: #C9A95C;
  --bg-deep: #070D1F;
  --bg-panel: #0F1930;
  --bg-deeper: #050810;
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.75);
  --text-muted: rgba(255, 255, 255, 0.6);
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-hover: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.12);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-badge: 999px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 16px 48px rgba(27, 92, 255, 0.25);
  --gold-glow: 0 0 24px rgba(230, 200, 122, 0.35);
  --space-section: 96px;
  --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

/* Reset & Base */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  font-family: var(--font-family);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}
button,
input,
textarea {
  font-family: inherit;
  border: none;
  outline: none;
}
ul,
ol {
  list-style: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  line-height: 1.4;
}
.btn-gold {
  background: linear-gradient(135deg, #E6C87A, #F5DDA0);
  color: #1A1305;
  box-shadow: var(--gold-glow);
  border-color: rgba(255, 255, 255, 0.2);
}
.btn-gold:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 32px rgba(230, 200, 122, 0.5);
  transform: translateY(-1px);
}
.btn-gold:active {
  transform: scale(0.98);
  box-shadow: none;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-accent);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}
.btn-block {
  display: flex;
  width: 100%;
}
.btn-nav {
  height: 44px;
  padding: 0 24px;
  font-size: 14px;
}

/* Badge */
.badge {
  display: inline-block;
  background: rgba(230, 200, 122, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(230, 200, 122, 0.25);
  padding: 4px 14px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 13, 31, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #E6C87A, #F5DDA0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #070D1F;
  font-size: 18px;
  box-shadow: var(--gold-glow);
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.main-nav > a {
  position: relative;
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 8px 2px;
  white-space: nowrap;
}
.main-nav > a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}
.main-nav > a:hover,
.main-nav > a.active {
  color: #fff;
}
.main-nav > a:hover::after,
.main-nav > a.active::after {
  width: 100%;
}
.nav-cta {
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-accent);
}
.nav-toggle.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.mobile-nav-cta {
  display: none;
}

/* Breadcrumb */
.breadcrumb {
  padding: 4px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}
.breadcrumb a:hover {
  color: var(--color-accent);
}
.breadcrumb-sep {
  margin: 0 10px;
  color: rgba(255, 255, 255, 0.3);
}
.breadcrumb-current {
  color: var(--color-accent);
}

/* Article Hero */
.article-hero {
  position: relative;
  padding: 64px 0 56px;
  background: linear-gradient(135deg, rgba(7, 13, 31, 0.94) 0%, rgba(15, 25, 48, 0.78) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.article-header-info {
  max-width: 860px;
  margin-top: 40px;
}
.article-badge {
  display: inline-block;
  background: rgba(230, 200, 122, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(230, 200, 122, 0.25);
  padding: 4px 16px;
  border-radius: var(--radius-badge);
  font-size: 13px;
  font-weight: 500;
}
.article-header-info h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.35;
  margin: 20px 0 16px;
  letter-spacing: 0.01em;
}
.article-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}
.meta-item i {
  margin-right: 6px;
  color: var(--color-accent);
}

/* Article Content */
.article-main {
  padding: 72px 0 24px;
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
}
.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  word-break: break-word;
}
.article-body p {
  margin-bottom: 24px;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
  margin: 48px 0 20px;
  line-height: 1.4;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin: 32px 0 16px;
}
.article-body h4 {
  font-size: 18px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin: 28px 0 14px;
}
.article-body img {
  border-radius: 12px;
  margin: 32px auto;
  box-shadow: var(--shadow-card);
}
.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  background: rgba(255, 255, 255, 0.05);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  margin: 32px 0;
  color: rgba(255, 255, 255, 0.8);
  font-style: normal;
}
.article-body ul,
.article-body ol {
  margin: 20px 0 24px;
  padding-left: 24px;
}
.article-body ul li {
  list-style: disc;
  margin-bottom: 8px;
}
.article-body ol li {
  list-style: decimal;
  margin-bottom: 8px;
}
.article-body a {
  color: var(--color-accent);
  border-bottom: 1px solid rgba(230, 200, 122, 0.3);
}
.article-body a:hover {
  color: var(--color-accent-light);
  border-bottom-color: var(--color-accent-light);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 15px;
  border-radius: 8px;
  overflow: hidden;
}
.article-body table th,
.article-body table td {
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: left;
}
.article-body table th {
  background: rgba(27, 92, 255, 0.15);
  color: #fff;
  font-weight: 600;
}
.article-body table tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}
.article-body pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 32px 0;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-accent-light);
}
.article-body code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.article-body pre code {
  background: transparent;
  padding: 0;
}
.article-body hr {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 40px 0;
}
.article-body figure {
  margin: 32px 0;
}
.article-body figcaption {
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
}

/* Article Not Found */
.article-not-found {
  text-align: center;
  padding: 80px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
}
.article-not-found i {
  font-size: 48px;
  color: var(--color-accent);
  opacity: 0.5;
  margin-bottom: 20px;
}
.article-not-found p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 28px;
}

/* Article CTA */
.article-cta {
  padding: 48px 0;
}
.cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-card);
  padding: 32px 40px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-card);
}
.cta-bar-text h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
}
.cta-bar-text p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
}

/* Related Section */
.related-section {
  padding: 64px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(15, 25, 48, 0.4) 100%);
}
.section-head {
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-head::before {
  content: '';
  width: 4px;
  height: 24px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-light));
}
.section-head h2 {
  font-size: 28px;
  font-weight: 600;
}
.related-grid {
  margin: -12px;
}
.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.related-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 200, 122, 0.4);
  box-shadow: var(--shadow-hover);
  background: rgba(255, 255, 255, 0.1);
}
.related-card .badge {
  align-self: flex-start;
  margin-bottom: 16px;
}
.related-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 12px;
  color: #fff;
}
.related-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  flex-grow: 1;
}
.related-card .related-more {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.related-card .related-more i {
  transition: transform 0.3s ease;
}
.related-card:hover .related-more i {
  transform: translateX(4px);
}

/* Back Entry */
.back-entry {
  padding: 24px 0 80px;
  text-align: center;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  padding: 10px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-btn);
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.03);
}
.back-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(230, 200, 122, 0.08);
}
.back-link i {
  transition: transform 0.3s ease;
}
.back-link:hover i {
  transform: translateX(-4px);
}

/* Footer */
.site-footer {
  background: var(--bg-deeper);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 24px;
  max-width: 280px;
  line-height: 1.7;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  transition: all 0.3s ease;
}
.footer-social a:hover {
  background: rgba(230, 200, 122, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.3s ease;
}
.footer-col ul a:hover {
  color: var(--color-accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-container {
    height: 64px;
    gap: 16px;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: calc(100vh - 64px);
    background: rgba(7, 13, 31, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 40px 32px;
    transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
    z-index: 999;
    gap: 8px;
    align-items: stretch;
  }
  .main-nav.open {
    right: 0;
  }
  .main-nav > a {
    font-size: 17px;
    padding: 12px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .main-nav > a::after {
    display: none;
  }
  .main-nav > a:hover,
  .main-nav > a.active {
    color: var(--color-accent);
    background: rgba(230, 200, 122, 0.06);
    border-radius: 8px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-cta {
    display: none;
  }
  .mobile-nav-cta {
    display: block;
    margin-top: 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-header-info h1 {
    font-size: 30px;
  }
}

@media (max-width: 640px) {
  :root {
    --space-section: 56px;
  }
  .container {
    padding: 0 20px;
  }
  .logo-text {
    font-size: 18px;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  .article-hero {
    padding: 40px 0 36px;
  }
  .article-header-info h1 {
    font-size: 26px;
    line-height: 1.4;
  }
  .article-meta {
    gap: 16px;
    font-size: 13px;
  }
  .article-main {
    padding: 48px 0 16px;
  }
  .article-content {
    padding: 0;
  }
  .article-body {
    font-size: 15px;
  }
  .article-body h2 {
    font-size: 21px;
  }
  .article-body h3 {
    font-size: 18px;
  }
  .article-body blockquote {
    padding: 16px 18px;
  }
  .cta-bar {
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }
  .cta-bar-text h3 {
    font-size: 19px;
  }
  .cta-bar .btn {
    width: 100%;
  }
  .related-section {
    padding: 48px 0;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .back-entry {
    padding: 16px 0 56px;
  }
  .footer-top {
    gap: 32px;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .related-grid .cell {
    margin-bottom: 16px;
  }
}

@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Utility */
.text-gold {
  color: var(--color-accent);
}
.text-center {
  text-align: center;
}
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* Focus visibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* roulang page: category1 */
:root {
            --color-primary: #1B5CFF;
            --color-primary-light: #6E8DFF;
            --color-accent: #E6C87A;
            --color-accent-light: #F5DDA0;
            --bg-deep: #070D1F;
            --bg-panel: #0F1930;
            --bg-card: rgba(255, 255, 255, 0.06);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --text-primary: #F4F7FF;
            --text-secondary: rgba(244, 247, 255, 0.78);
            --text-muted: rgba(244, 247, 255, 0.55);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 48px rgba(27, 92, 255, 0.25);
            --shadow-gold: 0 0 24px rgba(230, 200, 122, 0.35);
            --space-section: 96px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html,
        body {
            overflow-x: hidden;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            text-decoration: none;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn-gold {
            background: linear-gradient(135deg, #E6C87A, #F5DDA0);
            color: #1A1306;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            filter: brightness(1.06);
            transform: translateY(-1px);
            box-shadow: 0 0 32px rgba(230, 200, 122, 0.45);
        }

        .btn-gold:active {
            transform: scale(0.98);
            box-shadow: none;
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
            backdrop-filter: blur(10px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--color-accent);
            color: var(--color-accent-light);
        }

        .btn-lg {
            height: 52px;
            padding: 0 40px;
            font-size: 17px;
            border-radius: 12px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #E6C87A, #F5DDA0);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #070D1F;
            font-size: 18px;
            box-shadow: 0 0 18px rgba(230, 200, 122, 0.35);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .main-nav a {
            color: rgba(244, 247, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color .25s ease;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, #E6C87A, #F5DDA0);
            transition: width .25s ease;
        }

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-accent-light);
        }

        .nav-mobile-cta {
            display: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
        }

        .nav-toggle:hover {
            border-color: rgba(230, 200, 122, 0.5);
            color: var(--color-accent-light);
        }

        /* 面包屑 */
        .breadcrumb {
            font-size: 13px;
            color: rgba(244, 247, 255, 0.55);
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb a {
            color: rgba(244, 247, 255, 0.65);
        }

        .breadcrumb a:hover {
            color: var(--color-accent-light);
        }

        .breadcrumb .current {
            color: var(--color-accent);
        }

        .breadcrumb .sep {
            color: rgba(244, 247, 255, 0.35);
        }

        /* Hero */
        .page-hero {
            background:
                linear-gradient(105deg, rgba(7, 13, 31, 0.94) 25%, rgba(10, 18, 40, 0.72) 65%, rgba(15, 25, 48, 0.55)),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            padding: 110px 0 96px;
            position: relative;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: 1px;
        }

        .hero-title .gold-text {
            background: linear-gradient(120deg, #E6C87A, #F5DDA0);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 18px;
            color: rgba(244, 247, 255, 0.78);
            line-height: 1.8;
            max-width: 620px;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-meta {
            margin-top: 44px;
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            max-width: 620px;
        }

        .hero-meta-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-meta-item .num {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-accent-light);
        }

        .hero-meta-item .label {
            font-size: 13px;
            color: rgba(244, 247, 255, 0.55);
        }

        .hero-visual {
            position: relative;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 12px;
            backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
            transform: rotate(1.5deg);
            transition: transform .4s ease, box-shadow .4s ease;
        }

        .hero-visual:hover {
            transform: rotate(0deg) translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .hero-visual img {
            border-radius: 14px;
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .hero-visual-tag {
            position: absolute;
            left: 28px;
            bottom: 28px;
            background: rgba(7, 13, 31, 0.78);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(230, 200, 122, 0.4);
            color: var(--color-accent-light);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-badge);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* 通用板块 */
        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: linear-gradient(180deg, rgba(9, 16, 34, 0.65), rgba(7, 13, 31, 0.92));
        }

        .section-head {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 48px;
        }

        .section-head .bar {
            width: 4px;
            height: 30px;
            border-radius: 4px;
            background: linear-gradient(180deg, #E6C87A, #F5DDA0);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
            max-width: 620px;
        }

        /* 服务矩阵卡片 */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(230, 200, 122, 0.35), transparent);
            opacity: 0;
            transition: opacity .3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(230, 200, 122, 0.45);
            box-shadow: var(--shadow-hover);
            background: rgba(255, 255, 255, 0.08);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card.wide {
            padding: 36px;
        }

        .feature-card.small {
            padding: 24px;
        }

        .feat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(230, 200, 122, 0.2), rgba(230, 200, 122, 0.05));
            border: 1px solid rgba(230, 200, 122, 0.3);
            color: var(--color-accent-light);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .feature-card.small .feat-icon {
            width: 44px;
            height: 44px;
            font-size: 18px;
            margin-bottom: 14px;
            border-radius: 12px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .feature-card.small h3 {
            font-size: 17px;
        }

        .feature-card.small p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 场景卡 */
        .scene-card {
            background: linear-gradient(160deg, rgba(15, 25, 48, 0.9), rgba(7, 13, 31, 0.96));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 30px 26px;
            transition: all .3s ease;
            height: 100%;
        }

        .scene-card:hover {
            border-color: rgba(230, 200, 122, 0.45);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1B5CFF, #6E8DFF);
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }

        .scene-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* 两栏布局 */
        .dual-wrap {
            background: rgba(9, 16, 34, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            padding: 36px;
            height: 100%;
        }

        .content-block {
            display: flex;
            gap: 28px;
            align-items: center;
            margin-bottom: 40px;
        }

        .content-block:last-child {
            margin-bottom: 0;
        }

        .content-block.reverse {
            flex-direction: row-reverse;
        }

        .content-block .text {
            flex: 1;
        }

        .content-block .media {
            flex: 1;
        }

        .content-block img {
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            width: 100%;
            height: 220px;
            object-fit: cover;
            box-shadow: var(--shadow-card);
        }

        .content-block h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }

        .content-block h3 .line {
            display: inline-block;
            width: 4px;
            height: 20px;
            border-radius: 2px;
            background: linear-gradient(180deg, #E6C87A, #F5DDA0);
            margin-right: 10px;
            vertical-align: middle;
        }

        .content-block p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
        }

        /* 侧栏 */
        .sidebar-widget {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 26px;
            margin-bottom: 24px;
        }

        .sidebar-widget:last-child {
            margin-bottom: 0;
        }

        .sidebar-widget h4 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-widget h4 .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 10px rgba(230, 200, 122, 0.6);
        }

        .side-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .side-list li:last-child {
            border-bottom: none;
        }

        .side-list .icon {
            color: var(--color-accent);
            font-size: 15px;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .side-list a {
            color: rgba(244, 247, 255, 0.82);
            font-size: 14px;
            transition: color .25s ease;
        }

        .side-list a:hover {
            color: var(--color-accent-light);
        }

        .guarantee-list li {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .guarantee-list li:last-child {
            border-bottom: none;
        }

        .guarantee-list .num {
            color: var(--color-accent);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* 流程 */
        .process-steps {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .process-step {
            flex: 1;
            min-width: 180px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            position: relative;
            transition: all .3s ease;
        }

        .process-step:hover {
            border-color: rgba(230, 200, 122, 0.4);
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.07);
        }

        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #E6C87A, #F5DDA0);
            color: #1A1306;
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            box-shadow: var(--shadow-gold);
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* FAQ */
        .accordion {
            background: transparent;
            border: none;
        }

        .accordion-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color .3s ease, background .3s ease;
        }

        .accordion-item.is-active {
            border-color: rgba(230, 200, 122, 0.45);
            background: rgba(255, 255, 255, 0.07);
        }

        .accordion-title {
            background: transparent !important;
            color: var(--text-primary) !important;
            font-size: 16px;
            font-weight: 500;
            padding: 20px 52px 20px 24px;
            border-bottom: none !important;
            position: relative;
            display: block;
            line-height: 1.5;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--color-accent-light) !important;
            background: rgba(255, 255, 255, 0.03) !important;
        }

        .accordion-title::before,
        .accordion-title::after {
            color: var(--color-accent) !important;
            background: transparent !important;
            font-size: 24px;
            font-weight: 300;
            line-height: 1;
            right: 24px !important;
            margin-top: -12px !important;
            transition: color .25s ease;
        }

        .accordion-item.is-active .accordion-title::before,
        .accordion-item.is-active .accordion-title::after {
            color: var(--color-accent-light) !important;
        }

        .accordion-content {
            background: transparent !important;
            color: var(--text-secondary) !important;
            font-size: 14px;
            line-height: 1.8;
            border: none !important;
            padding: 0 24px 24px !important;
        }

        /* CTA */
        .cta-section {
            background:
                linear-gradient(135deg, rgba(27, 92, 255, 0.25), rgba(7, 13, 31, 0.92)),
                url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
            padding: var(--space-section) 0;
        }

        .cta-card {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
        }

        .cta-card h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-card p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            max-width: 680px;
            margin: 0 auto;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            height: 52px;
            padding: 0 20px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 12px;
            color: #fff;
            font-size: 15px;
            outline: none;
            transition: all .25s ease;
        }

        .cta-form input::placeholder {
            color: rgba(244, 247, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(230, 200, 122, 0.2);
        }

        /* 页脚 */
        .site-footer {
            background: #050810;
            padding: 72px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-top {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            flex: 0 0 320px;
        }

        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(244, 247, 255, 0.55);
            line-height: 1.75;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 22px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(244, 247, 255, 0.7);
            font-size: 15px;
            transition: all .25s ease;
        }

        .footer-social a:hover {
            color: var(--color-accent);
            border-color: rgba(230, 200, 122, 0.4);
            transform: translateY(-2px);
        }

        .footer-links {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #F4F7FF;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(244, 247, 255, 0.55);
            transition: color .25s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(244, 247, 255, 0.4);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }

            .content-block,
            .content-block.reverse {
                flex-direction: column;
            }

            .content-block .media {
                width: 100%;
            }

            .process-steps {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 900px) {
            .nav-toggle {
                display: inline-flex;
            }

            .header-actions .btn {
                display: none;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(7, 13, 31, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 20px 24px 28px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
                padding: 12px 4px;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }

            .main-nav a::after {
                display: none;
            }

            .nav-mobile-cta {
                display: inline-flex;
                margin-top: 18px;
                width: 100%;
                justify-content: center;
            }

            .page-hero {
                padding: 80px 0 72px;
            }

            .hero-visual {
                margin-top: 40px;
                transform: none;
            }

            .hero-visual:hover {
                transform: translateY(-4px);
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-lead {
                font-size: 16px;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-card {
                padding: 36px 24px;
                border-radius: 20px;
            }

            .cta-card h2 {
                font-size: 26px;
            }

            .footer-top {
                flex-direction: column;
                gap: 40px;
            }

            .footer-brand {
                flex: 1 1 100%;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .dual-wrap {
                padding: 24px;
            }

            .hero-meta {
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .hero-cta .btn {
                width: 100%;
            }

            .cta-form .btn {
                width: 100%;
            }

            .cta-form input {
                min-width: 100%;
            }

            .footer-links {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .breadcrumb {
                font-size: 12px;
            }

            .hero-meta-item .num {
                font-size: 20px;
            }

            .export-card {
                padding: 20px;
            }
        }

/* roulang page: category2 */
:root {
  --color-primary: #1B5CFF;
  --color-primary-light: #6E8DFF;
  --color-accent: #E6C87A;
  --color-accent-light: #F5DDA0;
  --bg-deep: #070D1F;
  --bg-panel: #0F1930;
  --bg-footer: #050810;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-bg-strong: rgba(255,255,255,0.10);
  --glass-border: rgba(255,255,255,0.12);
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255,255,255,0.75);
  --text-muted: rgba(255,255,255,0.6);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-badge: 999px;
  --radius-small: 8px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover: 0 16px 48px rgba(27,92,255,0.25);
  --shadow-gold: 0 0 24px rgba(230,200,122,0.35);
  --space-section: 96px;
  --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  padding-top: 72px;
}
img { max-width: 100%; display: block; height: auto; }
a { text-decoration: none; color: inherit; transition: all .25s ease; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 按钮 */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  border: none;
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-gold);
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-gold:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 0 32px rgba(230,200,122,0.5);
}
.btn-gold:active {
  transform: scale(0.98);
  box-shadow: none;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-btn);
  backdrop-filter: blur(10px);
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn-ghost:active { transform: scale(0.98); }
.btn-lg { height: 52px; padding: 0 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* 顶部导航 */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: rgba(7,13,31,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 1px 20px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-deep);
  font-size: 18px;
  box-shadow: var(--shadow-gold);
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-small);
}
.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}
.main-nav a.active {
  color: var(--color-accent);
  background: rgba(230,200,122,0.08);
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: 2px;
}
.header-cta {
  flex-shrink: 0;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-small);
  background: var(--glass-bg);
  color: var(--text-primary);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all .3s ease;
}
.menu-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 面包屑 + 页面头部 */
.page-header {
  position: relative;
  padding: 120px 0 72px;
  background: linear-gradient(to right, rgba(7,13,31,0.88), rgba(15,25,48,0.55)), url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.3;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }
.breadcrumb .current { color: var(--color-accent); }
.page-header h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  border-left: 4px solid var(--color-accent);
  padding-left: 22px;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.header-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 32px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 主体内容区 */
.category-main { padding: 72px 0 96px; }
.content-block {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 32px;
  margin-bottom: 28px;
  transition: all .3s ease;
}
.content-block:hover {
  border-color: rgba(230,200,122,0.35);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.content-block h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
}
.block-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(230,200,122,0.25), rgba(230,200,122,0.06));
  border: 1px solid rgba(230,200,122,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 18px;
  flex-shrink: 0;
}
.content-block p {
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.content-block img {
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  margin-top: 8px;
}

/* 侧栏 */
.side-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.side-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 8px;
}
.side-card h3::before {
  content: '';
  width: 3px;
  height: 16px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-light));
  border-radius: 2px;
}
.side-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all .25s ease;
}
.side-list li:last-child a { border-bottom: none; }
.side-list li a:hover {
  color: var(--color-accent);
  padding-left: 6px;
}
.side-list li a i {
  color: var(--color-accent);
  font-size: 12px;
}
.mini-faq-item {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mini-faq-item:last-child { border-bottom: none; }
.mini-faq-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.mini-faq-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}
.side-cta { text-align: center; }
.side-cta h3 { justify-content: center; }
.side-cta h3::before { display: none; }
.side-cta p { font-size: 14px; color: var(--text-secondary); margin-bottom: 18px; }

/* FAQ区域 */
.faq-section { padding: 96px 0; background: var(--bg-panel); }
.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  letter-spacing: 1px;
}
.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: 2px;
  margin: 18px auto 0;
}
.faq-wrap { max-width: 820px; margin: 0 auto; }

/* Foundation Accordion 覆写 */
.accordion {
  background: transparent !important;
  border: none !important;
  margin-left: 0 !important;
}
.accordion-item {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 14px !important;
  margin-bottom: 16px !important;
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.accordion-item.is-active {
  border-color: rgba(230,200,122,0.4) !important;
  box-shadow: 0 0 20px rgba(230,200,122,0.08);
}
.accordion-title {
  background: transparent !important;
  border-bottom: 1px solid transparent !important;
  color: var(--text-primary) !important;
  font-family: var(--font-family) !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  line-height: 1.5 !important;
  padding: 20px 24px !important;
  position: relative;
  transition: color .3s ease;
}
.accordion-title:hover {
  color: var(--color-accent) !important;
  background: rgba(255,255,255,0.03) !important;
}
.accordion-item.is-active .accordion-title {
  color: var(--color-accent) !important;
  border-bottom-color: rgba(255,255,255,0.08) !important;
}
.accordion-title::before {
  color: var(--color-accent) !important;
  font-weight: 700 !important;
}
.accordion-title::after {
  color: var(--color-accent) !important;
}
.accordion-content {
  background: rgba(255,255,255,0.02) !important;
  color: var(--text-secondary) !important;
  border-top: 1px solid rgba(255,255,255,0.08) !important;
  padding: 20px 24px !important;
  font-size: 15px !important;
  line-height: 1.85 !important;
  font-family: var(--font-family) !important;
}

/* CTA区域 */
.cta-section { padding: 96px 0; }
.cta-card {
  background: linear-gradient(135deg, rgba(27,92,255,0.18), rgba(110,141,255,0.05)), rgba(15,25,48,0.85);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(230,200,122,0.15), transparent 70%);
  pointer-events: none;
}
.cta-card h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.cta-card p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* 页脚 */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 72px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 280px;
  margin-bottom: 24px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 15px;
  transition: all .25s ease;
}
.footer-social a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  transition: color .25s ease;
}
.footer-col ul li a:hover { color: var(--color-accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

/* 响应式断点 */
@media (max-width: 1024px) {
  :root { --space-section: 72px; }
  .page-header { padding: 96px 0 56px; }
  .page-header h1 { font-size: 36px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(7,13,31,0.96);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 14px 16px; font-size: 16px; }
  .main-nav a.active::after { bottom: 4px; }
  .menu-toggle { display: flex; }
  .header-cta {
    display: none;
  }
  .header-mobile-cta {
    display: block;
  }
  .page-header { padding: 96px 0 48px; }
  .page-header h1 { font-size: 30px; }
  .header-desc { font-size: 15px; }
  .header-actions { flex-direction: column; align-items: stretch; }
  .header-actions .btn-gold,
  .header-actions .btn-ghost { width: 100%; }
  .category-main { padding: 56px 0 72px; }
  .content-block { padding: 24px; }
  .content-block h2 { font-size: 20px; }
  .section-title { font-size: 26px; margin-bottom: 36px; }
  .cta-section { padding: 72px 0; }
  .cta-card { padding: 40px 24px; }
  .cta-card h2 { font-size: 24px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .accordion-title { font-size: 15px !important; padding: 18px 20px !important; }
  .accordion-content { padding: 18px 20px !important; font-size: 14px !important; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .page-header h1 { font-size: 26px; border-left-width: 3px; padding-left: 14px; }
  .header-desc { font-size: 14px; }
  .cta-card { padding: 36px 20px; border-radius: 18px; }
  .cta-card h2 { font-size: 22px; }
  .footer-top { gap: 32px; padding-bottom: 32px; }
}

@media (min-width: 769px) {
  .main-nav { display: flex !important; }
}

/* 焦点可访问性 */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}