/* roulang page: index */
:root{
  --night:#0C1120;
  --night-soft:#141B2E;
  --star:#E0A84C;
  --star-bright:#F0BC66;
  --nebula:#7B6CF0;
  --paper:#F8F6F1;
  --surface:#FFFFFF;
  --ink:#1E222B;
  --muted:#6C7280;
  --line:#E8E5DE;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow-card:0 1px 3px rgba(12,17,32,0.06);
  --shadow-hover:0 8px 24px rgba(12,17,32,0.10);
  --transition:all 0.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section-pad{padding:clamp(56px,9vw,96px) 0;}
.section-head{text-align:center;margin-bottom:48px;}
.section-head .kicker{
  display:inline-block;font-size:12px;letter-spacing:0.12em;
  color:var(--nebula);background:rgba(123,108,240,0.08);
  padding:6px 18px;border-radius:100px;margin-bottom:14px;font-weight:500;
}
.section-head h2{
  font-family:'Noto Serif SC',serif;
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.25;
  font-weight:700;
  color:var(--ink);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:620px;margin-left:auto;margin-right:auto;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(12,17,32,0.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:20px;
}
.logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.logo-svg{width:32px;height:32px;}
.logo-text{
  font-family:'Noto Serif SC',serif;
  font-size:20px;font-weight:700;
  color:var(--paper);letter-spacing:0.02em;
}
.nav-left,.nav-right{
  display:flex;align-items:center;
}
.nav-left{gap:24px;}
.nav-right{gap:24px;}
.nav-link{
  color:rgba(248,246,241,0.85);
  font-size:15px;font-weight:400;
  text-decoration:none;
  position:relative;
  transition:color 0.25s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--star);}
.nav-link.active{color:var(--star);}
.nav-link.active::after{
  content:'';position:absolute;left:0;bottom:-4px;
  width:100%;height:2px;background:var(--star);
  border-radius:2px;
}
.nav-toggle{
  display:none;background:none;border:none;
  color:var(--paper);font-size:22px;
  padding:8px;cursor:pointer;
}
.mobile-menu{
  display:none;
  background:var(--night);
  padding:0;
  overflow:hidden;
  transition:max-height 0.35s ease;
}
.mobile-menu.open{display:block;}
.mobile-menu a{
  display:block;padding:16px 24px;
  color:rgba(248,246,241,0.85);
  font-size:18px;border-bottom:1px solid rgba(255,255,255,0.06);
  text-decoration:none;
}
.mobile-menu a:hover{color:var(--star);}
.mobile-menu a.active{color:var(--star);}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:
    radial-gradient(ellipse at 78% 18%,rgba(123,108,240,0.18),transparent 50%),
    radial-gradient(ellipse at 18% 85%,rgba(224,168,76,0.10),transparent 42%),
    linear-gradient(180deg,rgba(12,17,32,0.60),rgba(12,17,32,0.82)),
    url('/assets/images/backpic/back-1.png') center 35% / cover no-repeat,
    var(--night);
  color:var(--paper);
  padding:clamp(88px,13vw,140px) 0 clamp(64px,9vw,100px);
  overflow:hidden;
}
.hero-inner{position:relative;z-index:2;max-width:680px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(224,168,76,0.35);
  background:rgba(224,168,76,0.08);
  color:var(--star-bright);
  font-size:13px;padding:6px 18px;border-radius:100px;
  margin-bottom:24px;weight:500;
}
.hero-badge i{font-size:12px;}
.hero h1{
  font-family:'Noto Serif SC',serif;
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.15;
  font-weight:700;
  color:var(--paper);
  margin-bottom:20px;
  letter-spacing:0.01em;
}
.hero h1 .accent{color:var(--star);}
.hero-sub{
  font-size:15px;line-height:1.7;
  color:#D3D8E4;
  margin-bottom:36px;
  max-width:560px;
}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 32px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;
  transition:var(--transition);
  text-decoration:none;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--star);color:#0C1120;
}
.btn-primary:hover{background:var(--star-bright);transform:translateY(-2px);box-shadow:0 6px 20px rgba(224,168,76,0.30);}
.btn-outline{
  background:transparent;color:var(--star-bright);
  border-color:rgba(224,168,76,0.55);
}
.btn-outline:hover{background:rgba(224,168,76,0.10);border-color:var(--star);transform:translateY(-2px);}
.btn-dark{background:var(--night);color:var(--paper);}
.btn-dark:hover{background:var(--night-soft);transform:translateY(-2px);}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:52px;
  border-top:1px solid rgba(255,255,255,0.10);
  padding-top:36px;
}
.stat-item{
  flex:1;min-width:140px;
  padding-right:24px;
}
.stat-num{
  display:block;
  font-family:'Noto Serif SC',serif;
  font-size:30px;font-weight:700;
  color:var(--star);
}
.stat-label{
  display:block;font-size:13px;color:#A6AFC3;
  margin-top:4px;
}

/* ===== Trust bar ===== */
.trust-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:28px 0;
}
.trust-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;
}
.trust-item{display:flex;align-items:center;gap:12px;}
.trust-item i{
  width:42px;height:42px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(123,108,240,0.08);
  color:var(--nebula);font-size:18px;
}
.trust-item .trust-text{font-size:13px;color:var(--muted);line-height:1.4;}
.trust-item .trust-text strong{display:block;color:var(--ink);font-size:14px;font-weight:600;}

/* ===== Features ===== */
.features-section{background:var(--paper);}
.features-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  transition:var(--transition);
  display:block;
  text-decoration:none;
  color:inherit;
}
.feature-card:hover{
  border-color:var(--nebula);
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}
.feature-card.feature-large{
  grid-column:span 2;
  background:var(--night);
  border-color:transparent;
  color:var(--paper);
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  align-items:center;
}
.feature-card.feature-large .feature-icon{
  background:rgba(224,168,76,0.12);
  color:var(--star);
  width:56px;height:56px;font-size:24px;
}
.feature-card.feature-large .feature-title{
  font-size:22px;color:var(--paper);
}
.feature-card.feature-large .feature-desc{font-size:14px;color:#B8C0D4;}
.feature-card.feature-large:hover{border-color:var(--star);}
.feature-icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(224,168,76,0.10);
  color:var(--star);
  font-size:20px;
  margin-bottom:20px;
}
.feature-title{
  font-family:'Noto Serif SC',serif;
  font-size:17px;font-weight:600;
  color:var(--ink);
  margin-bottom:10px;
}
.feature-desc{font-size:14px;color:var(--muted);line-height:1.7;}

/* ===== Scenarios ===== */
.scenarios-section{background:var(--surface);}
.scenario-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  margin-bottom:80px;
}
.scenario-block:last-child{margin-bottom:0;}
.scenario-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.scenario-media img{
  width:100%;height:340px;object-fit:cover;
  transition:transform 0.4s ease;
}
.scenario-media:hover img{transform:scale(1.03);}
.scenario-text .kicker{
  display:inline-block;
  font-size:12px;letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--nebula);
  background:rgba(123,108,240,0.08);
  padding:5px 14px;border-radius:100px;
  margin-bottom:16px;font-weight:500;
}
.scenario-text h2{
  font-family:'Noto Serif SC',serif;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.25;font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
}
.scenario-text p{
  font-size:15px;color:var(--muted);
  margin-bottom:14px;line-height:1.8;
}
.scenario-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--nebula);font-weight:500;font-size:15px;
  transition:color 0.25s ease;
}
.scenario-link:hover{color:var(--star);}
.scenario-block.reverse .scenario-media{order:2;}

/* ===== Cases ===== */
.cases-section{background:var(--paper);}
.cases-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.case-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  transition:var(--transition);
}
.case-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
  border-color:var(--nebula);
}
.case-head{
  display:flex;align-items:center;gap:14px;
  margin-bottom:16px;
}
.case-avatar{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:'Noto Serif SC',serif;
  font-size:18px;font-weight:700;color:#fff;
  flex-shrink:0;
}
.case-name{font-size:15px;font-weight:600;color:var(--ink);}
.case-role{font-size:12px;color:var(--muted);}
.case-quote{
  font-size:14px;color:var(--muted);
  line-height:1.7;margin-bottom:18px;
}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;}
.case-tag{
  font-size:12px;color:var(--nebula);
  background:rgba(123,108,240,0.08);
  padding:4px 12px;border-radius:100px;
  font-weight:500;
}

/* ===== Pricing ===== */
.pricing-section{background:var(--surface);}
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.price-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px 28px;
  display:flex;flex-direction:column;
  transition:var(--transition);
  position:relative;
}
.price-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.price-card.featured{
  border:2px solid var(--star);
  box-shadow:0 8px 30px rgba(224,168,76,0.12);
  transform:translateY(-8px);
}
.price-card.featured:hover{transform:translateY(-10px);}
.price-badge{
  position:absolute;top:0;left:50%;transform:translate(-50%,-50%);
  background:var(--star);color:#0C1120;
  font-size:12px;font-weight:600;
  padding:4px 16px;border-radius:100px;
  white-space:nowrap;
}
.price-name{
  font-family:'Noto Serif SC',serif;
  font-size:20px;font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.price-amount{
  font-size:40px;font-weight:700;
  color:var(--ink);
  margin-bottom:4px;
  line-height:1.2;
}
.price-amount small{font-size:16px;font-weight:400;color:var(--muted);}
.price-desc{font-size:13px;color:var(--muted);margin-bottom:24px;}
.price-features{flex:1;margin-bottom:28px;}
.price-features li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--ink);
  padding:6px 0;
}
.price-features li i{
  color:var(--star);font-size:13px;
  flex-shrink:0;
}
.price-btn{
  display:block;
  text-align:center;
  padding:12px 20px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;
  border:1px solid var(--line);
  color:var(--ink);
  transition:var(--transition);
  text-decoration:none;
  background:var(--surface);
}
.price-btn:hover{border-color:var(--star);color:var(--star);}
.price-btn.featured-btn{
  background:var(--star);border-color:var(--star);color:#0C1120;
}
.price-btn.featured-btn:hover{background:var(--star-bright);}

/* ===== News ===== */
.news-section{background:var(--paper);}
.news-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:32px;flex-wrap:wrap;gap:12px;
}
.news-head h2{
  font-family:'Noto Serif SC',serif;
  font-size:clamp(22px,2.8vw,30px);
  font-weight:700;color:var(--ink);
}
.more-link{
  font-size:14px;color:var(--nebula);
  font-weight:500;
  transition:color 0.25s ease;
  display:inline-flex;align-items:center;gap:6px;
}
.more-link:hover{color:var(--star);}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:flex;align-items:center;gap:20px;
  padding:20px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  text-decoration:none;
  color:inherit;
  transition:var(--transition);
}
.news-item:hover{
  border-color:var(--nebula);
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}
.news-cat{
  flex-shrink:0;
  background:rgba(123,108,240,0.10);
  color:var(--nebula);
  font-size:12px;font-weight:500;
  padding:4px 14px;border-radius:100px;
  white-space:nowrap;
}
.news-body{flex:1;min-width:0;}
.news-title{
  display:block;font-size:16px;font-weight:600;
  color:var(--ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color 0.25s ease;
}
.news-item:hover .news-title{color:var(--nebula);}
.news-excerpt{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  font-size:13px;color:var(--muted);
  line-height:1.6;margin-top:4px;
}
.news-meta{
  flex-shrink:0;
  display:flex;align-items:center;gap:10px;
  color:var(--muted);font-size:13px;
}
.news-arrow{
  width:30px;height:30px;border-radius:50%;
  background:rgba(224,168,76,0.10);
  color:var(--star);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:var(--transition);
}
.news-item:hover .news-arrow{background:var(--star);color:#0C1120;}
.news-empty{
  text-align:center;padding:60px 24px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  color:var(--muted);
}
.news-empty i{font-size:36px;color:var(--line);margin-bottom:16px;display:block;}
.news-empty p{font-size:15px;}

/* ===== global CTA ===== */
.cta-section{
  background:
    radial-gradient(ellipse at 50% 0%,rgba(224,168,76,0.10),transparent 50%),
    var(--night);
  padding:clamp(64px,9vw,100px) 0;
  text-align:center;
  color:var(--paper);
}
.cta-section h2{
  font-family:'Noto Serif SC',serif;
  font-size:clamp(26px,3.4vw,38px);
  color:var(--star);
  line-height:1.25;margin-bottom:16px;
}
.cta-section p{
  color:#D3D8E4;font-size:15px;
  max-width:520px;margin:0 auto 36px;
  line-height:1.7;
}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* ===== FAQ ===== */
.faq-section{background:var(--surface);}
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:var(--nebula);}
.faq-item-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 24px;
  cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color 0.25s ease;
}
.faq-item-header:hover{color:var(--star);}
.faq-item-header .faq-icon{
  font-size:14px;color:var(--star);
  width:26px;height:26px;border-radius:50%;
  background:rgba(224,168,76,0.10);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:transform 0.3s ease;
}
.faq-item.active .faq-icon{transform:rotate(180deg);}
.faq-item-body{
  padding:0 24px;max-height:0;overflow:hidden;
  transition:max-height 0.35s ease,padding 0.35s ease;
}
.faq-item.active .faq-item-body{
  max-height:300px;padding:0 24px 20px;
}
.faq-item-body p{
  font-size:14px;color:var(--muted);
  line-height:1.75;border-top:1px solid var(--line);
  padding-top:16px;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--night);
  color:#A6AFC3;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.7;color:#8A93A7;}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,0.06);
  display:flex;align-items:center;justify-content:center;
  color:#A6AFC3;font-size:15px;
  transition:var(--transition);
}
.footer-social a:hover{background:var(--star);color:#0C1120;}
.footer-title{
  font-family:'Noto Serif SC',serif;
  font-size:16px;color:var(--paper);
  margin-bottom:16px;font-weight:600;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;color:#8A93A7;
  transition:color 0.25s ease;
}
.footer-links a:hover{color:var(--star);}
.footer-contact li{
  font-size:14px;color:#8A93A7;
  display:flex;align-items:center;gap:10px;
  margin-bottom:12px;
}
.footer-contact i{color:var(--star);width:16px;font-size:14px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:20px 0;
  text-align:center;
  font-size:13px;color:#6E7688;
}
.footer-bottom a{color:#8A93A7;}
.footer-bottom a:hover{color:var(--star);}

/* ===== Responsive ===== */
@media (max-width:1200px){
  .container{padding:0 24px;}
  .features-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:block;}
  .features-grid{grid-template-columns:repeat(2,1fr);}
  .feature-card.feature-large{grid-column:span 2;}
  .feature-card.feature-large .feature-icon{width:48px;height:48px;font-size:20px;}
  .cases-grid{grid-template-columns:repeat(2,1fr);}
  .pricing-grid{grid-template-columns:repeat(3,1fr);gap:12px;}
  .price-card{padding:24px 16px;}
  .price-amount{font-size:30px;}
  .scenario-block{grid-template-columns:1fr;gap:24px;}
  .scenario-block.reverse .scenario-media{order:0;}
  .scenario-media img{height:260px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .stat-item{padding-right:12px;}
  .stat-num{font-size:24px;}
}
@media (max-width:767px){
  .hero{padding:80px 0 60px;}
  .hero-inner{text-align:center;margin:0 auto;}
  .hero-sub{margin-left:auto;margin-right:auto;}
  .hero-btns{justify-content:center;}
  .hero-stats{flex-direction:column;gap:20px;}
  .stat-item{padding-right:0;text-align:center;}
  .features-grid{grid-template-columns:1fr;}
  .feature-card.feature-large{grid-column:span 1;grid-template-columns:1fr;}
  .cases-grid{grid-template-columns:1fr;}
  .pricing-grid{grid-template-columns:1fr;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-3px);}
  .trust-inner{justify-content:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .news-item{flex-wrap:wrap;gap:12px;padding:16px 18px;}
  .news-cat{font-size:11px;}
  .news-title{font-size:15px;}
  .news-excerpt{font-size:12px;}
  .news-meta{width:100%;justify-content:flex-end;font-size:12px;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .logo-text{font-size:18px;}
  .logo-svg{width:28px;height:28px;}
  .hero h1{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn{padding:10px 24px;font-size:14px;width:100%;}
  .hero-btns{flex-direction:column;width:100%;}
  .news-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .pricing-btn,.price-btn{width:100%;}
  .faq-item-header{font-size:15px;padding:16px 18px;}
  .faq-item-body p{font-size:13px;padding:14px 18px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms!important;
    transition-duration:0.01ms!important;
    scroll-behavior:auto!important;
  }
}
a:focus-visible,button:focus-visible{
  outline:2px solid var(--nebula);
  outline-offset:2px;
}

/* roulang page: category1 */
:root {
  --night: #0C1120;
  --night-soft: #141B2E;
  --star: #E0A84C;
  --star-bright: #F0BC66;
  --nebula: #7B6CF0;
  --paper: #F8F6F1;
  --surface: #FFFFFF;
  --ink: #1E222B;
  --muted: #6C7280;
  --line: #E8E5DE;
  --radius-card: 14px;
  --radius-btn: 8px;
  --shadow-card: 0 1px 3px rgba(12,17,32,0.06);
  --shadow-hover: 0 8px 24px rgba(12,17,32,0.10);
  --transition: 0.25s ease;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

h1, h2, h3 {
  font-family: 'Noto Serif SC', serif;
  line-height: 1.3;
  color: var(--ink);
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12,17,32,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(224,168,76,0.16);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(0,0,0,0.30);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  gap: 16px;
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(248,246,241,0.85);
  padding: 6px 2px;
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--star);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--star-bright);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--star);
}

.nav-link.active::after {
  width: 100%;
}

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

.logo-svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.logo-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
  font-weight: 900;
  color: var(--paper);
  letter-spacing: 1px;
}

.nav-toggle {
  display: none;
  font-size: 22px;
  color: var(--paper);
  padding: 6px 10px;
  border: 1px solid rgba(224,168,76,0.4);
  border-radius: var(--radius-btn);
  transition: all var(--transition);
}

.nav-toggle:hover {
  background: rgba(224,168,76,0.12);
  color: var(--star);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--night);
  flex-direction: column;
  padding: 16px 24px 28px;
  border-bottom: 1px solid rgba(224,168,76,0.2);
  z-index: 99;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 18px;
  color: var(--paper);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--star);
}

.mobile-menu a.active {
  color: var(--star);
  font-weight: 700;
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  background: var(--night);
  background-image:
    radial-gradient(ellipse 60% 50% at 20% 20%, rgba(224,168,76,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(123,108,240,0.22) 0%, transparent 70%),
    url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 168px 0 88px;
  text-align: center;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12,17,32,0.72) 0%, rgba(12,17,32,0.84) 100%);
}

.banner-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border: 1px solid rgba(224,168,76,0.35);
  border-radius: 100px;
  font-size: 13px;
  color: var(--star-bright);
  letter-spacing: 1px;
  margin-bottom: 24px;
  background: rgba(224,168,76,0.06);
}

.banner-tag i {
  font-size: 12px;
}

.page-banner h1 {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 900;
  color: var(--paper);
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.page-banner h1 span {
  color: var(--star);
}

.banner-desc {
  font-size: 16px;
  line-height: 1.9;
  color: #D3D8E4;
  max-width: 640px;
  margin: 0 auto;
}

.banner-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 36px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.10);
}

.banner-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(248,246,241,0.75);
}

.banner-meta-item i {
  color: var(--star);
}

/* ===== Section Base ===== */
.section-padding {
  padding: clamp(56px, 9vw, 96px) 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--nebula);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  color: var(--ink);
  margin-bottom: 14px;
}

.section-head p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* ===== Entry Grid ===== */
.entry-section {
  background: var(--paper);
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.entry-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.entry-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--nebula);
}

.entry-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(224,168,76,0.08);
  border: 1px solid rgba(224,168,76,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--star);
  margin-bottom: 22px;
  transition: background var(--transition);
}

.entry-card:hover .entry-icon {
  background: rgba(224,168,76,0.16);
}

.entry-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.entry-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.entry-card .entry-arrow {
  position: absolute;
  top: 28px;
  right: 24px;
  font-size: 16px;
  color: var(--line);
  transition: color var(--transition), transform var(--transition);
}

.entry-card:hover .entry-arrow {
  color: var(--star);
  transform: translateX(4px);
}

/* ===== Showcase ===== */
.showcase-section {
  background: var(--surface);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.showcase-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}

.showcase-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.showcase-grid:hover .showcase-media img {
  transform: scale(1.03);
}

.showcase-content .section-kicker {
  margin-bottom: 10px;
}

.showcase-content h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 18px;
}

.showcase-content p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 16px;
}

.showcase-list {
  margin-top: 24px;
}

.showcase-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px dashed var(--line);
}

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

.showcase-list i {
  color: var(--star);
  font-size: 14px;
  margin-top: 5px;
}

/* ===== Inner Link Cards ===== */
.links-section {
  background: var(--night);
  position: relative;
  overflow: hidden;
}

.links-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(123,108,240,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.links-section .section-head h2 {
  color: var(--paper);
}

.links-section .section-head p {
  color: rgba(248,246,241,0.65);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.link-card {
  background: var(--night-soft);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: all var(--transition);
}

.link-card:hover {
  border-color: rgba(224,168,76,0.4);
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0,0,0,0.3);
}

.link-card i {
  font-size: 26px;
  color: var(--star);
  margin-bottom: 18px;
}

.link-card h3 {
  font-size: 18px;
  color: var(--paper);
  margin-bottom: 8px;
}

.link-card p {
  font-size: 13px;
  color: rgba(248,246,241,0.55);
  line-height: 1.7;
}

.link-card .link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--star);
  margin-top: 16px;
  opacity: 0;
  transform: translateX(-6px);
  transition: all var(--transition);
}

.link-card:hover .link-more {
  opacity: 1;
  transform: translateX(0);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--paper);
}

.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover {
  border-color: rgba(224,168,76,0.4);
}

.faq-item.active {
  box-shadow: var(--shadow-card);
  border-color: rgba(224,168,76,0.5);
}

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  transition: color var(--transition);
}

.faq-q:hover {
  color: var(--star);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--muted);
  transition: all var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--star);
  border-color: var(--star);
  color: var(--night);
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-a-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 0;
}

.faq-item.active .faq-a {
  max-height: 300px;
}

/* ===== CTA ===== */
.cta-section {
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(224,168,76,0.12) 0%, transparent 70%),
    var(--night);
  padding: 72px 0;
  text-align: center;
  border-top: 1px solid rgba(224,168,76,0.12);
}

.cta-section h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  color: var(--star);
  margin-bottom: 14px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(248,246,241,0.75);
  margin-bottom: 32px;
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 32px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
}

.btn-gold {
  background: var(--star);
  color: var(--night);
  border: 1px solid var(--star);
}

.btn-gold:hover {
  background: var(--star-bright);
  border-color: var(--star-bright);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224,168,76,0.35);
}

.btn-outline-gold {
  background: transparent;
  color: var(--star);
  border: 1px solid var(--star);
}

.btn-outline-gold:hover {
  background: rgba(224,168,76,0.1);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--night);
  color: rgba(248,246,241,0.7);
  padding: 72px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(248,246,241,0.55);
  line-height: 1.8;
  margin: 18px 0 22px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: rgba(248,246,241,0.7);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--star);
  border-color: var(--star);
  color: var(--night);
  transform: translateY(-2px);
}

.footer-title {
  font-size: 16px;
  font-family: 'Noto Serif SC', serif;
  color: var(--paper);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--star);
  border-radius: 2px;
}

.footer-links li, .footer-contact li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(248,246,241,0.55);
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--star);
  padding-left: 6px;
}

.footer-contact li {
  font-size: 14px;
  color: rgba(248,246,241,0.55);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--star);
  font-size: 13px;
  width: 18px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(248,246,241,0.4);
}

.footer-bottom a {
  color: rgba(248,246,241,0.5);
}

.footer-bottom a:hover {
  color: var(--star);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .nav-left, .nav-right {
    gap: 20px;
  }
}

@media (max-width: 991px) {
  .nav-left, .nav-right {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .header-inner {
    height: 64px;
  }
  .mobile-menu {
    top: 64px;
  }
  .page-banner {
    padding: 140px 0 64px;
  }
  .entry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .showcase-media img {
    height: 320px;
  }
  .links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 767px) {
  .page-banner {
    padding: 120px 0 56px;
  }
  .banner-meta {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  .entry-grid {
    grid-template-columns: 1fr;
  }
  .entry-card {
    padding: 28px 22px;
  }
  .section-padding {
    padding: 56px 0;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .links-grid {
    grid-template-columns: 1fr;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .showcase-list li {
    font-size: 14px;
  }
}

@media (max-width: 575px) {
  body {
    font-size: 15px;
  }
  .logo-text {
    font-size: 19px;
  }
  .logo-svg {
    width: 28px;
    height: 28px;
  }
  .page-banner h1 {
    font-size: 26px;
  }
  .banner-desc {
    font-size: 14px;
  }
  .nav-toggle {
    font-size: 18px;
  }
  .entry-card {
    padding: 24px 18px;
  }
  .entry-card h3 {
    font-size: 18px;
  }
  .faq-q {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-a-inner {
    padding: 0 18px 18px;
    font-size: 13px;
  }
  .footer-grid {
    padding-bottom: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* roulang page: article */
:root {
  --night: #0C1120;
  --night-soft: #141B2E;
  --star: #E0A84C;
  --star-bright: #F0BC66;
  --nebula: #7B6CF0;
  --paper: #F8F6F1;
  --surface: #FFFFFF;
  --ink: #1E222B;
  --muted: #6C7280;
  --line: #E8E5DE;
  --radius-card: 14px;
  --radius-btn: 8px;
  --shadow-sm: 0 1px 3px rgba(12, 17, 32, 0.06);
  --shadow-lg: 0 8px 24px rgba(12, 17, 32, 0.10);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
  --font-sans: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.container.narrow {
  max-width: 780px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 17, 32, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  padding: 6px 2px;
  white-space: nowrap;
  transition: color 0.25s ease;
}
.nav-link:hover {
  color: var(--star);
}
.nav-link.active {
  color: var(--star);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--star);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-svg {
  width: 32px;
  height: 32px;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
  width: 42px;
  height: 42px;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.nav-toggle:hover {
  border-color: var(--star);
  color: var(--star);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--night);
  padding: 16px 24px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: color 0.25s ease;
}
.mobile-menu a:last-child {
  border-bottom: none;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--star);
}
.mobile-menu.open {
  display: flex;
}

/* ---------- Article Hero ---------- */
.article-hero {
  position: relative;
  background: var(--night);
  background-image:
    radial-gradient(ellipse at 70% 20%, rgba(224, 168, 76, 0.18), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(123, 108, 240, 0.14), transparent 55%),
    linear-gradient(180deg, var(--night) 0%, #101728 100%);
  padding: 64px 0 72px;
  color: #fff;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  pointer-events: none;
}
.article-hero .container {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 28px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.25s ease;
}
.breadcrumb a:hover {
  color: var(--star);
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.3);
}
.breadcrumb .current {
  color: rgba(255, 255, 255, 0.75);
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.2vw, 42px);
  line-height: 1.25;
  font-weight: 700;
  max-width: 860px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item i {
  color: var(--star);
  font-size: 13px;
}
.meta-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.2);
}

/* ---------- Article Body ---------- */
.article-body {
  background: var(--paper);
  padding: 56px 0 64px;
}
.article-content {
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  padding: 48px 56px;
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}
.article-content > * + * {
  margin-top: 1.2em;
}
.article-content h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.35;
  margin-top: 40px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.article-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 44px;
  height: 3px;
  background: var(--star);
  border-radius: 2px;
}
.article-content h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
  line-height: 1.4;
}
.article-content h4 {
  font-size: 17px;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 10px;
}
.article-content p {
  margin-bottom: 1.5em;
  color: #333A45;
}
.article-content strong {
  color: var(--ink);
  font-weight: 700;
}
.article-content a {
  color: var(--nebula);
  border-bottom: 1px solid rgba(123, 108, 240, 0.3);
  transition: border-color 0.25s ease, color 0.25s ease;
}
.article-content a:hover {
  color: var(--star);
  border-color: var(--star);
}
.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin-bottom: 1.5em;
}
.article-content ul {
  list-style: none;
}
.article-content ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--star);
}
.article-content ol li {
  margin-bottom: 8px;
}
.article-content blockquote {
  border-left: 4px solid var(--star);
  background: var(--paper);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 24px 0;
}
.article-content pre {
  background: var(--night);
  color: #D3D8E4;
  padding: 20px 24px;
  border-radius: 10px;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 14px;
  line-height: 1.7;
  margin: 24px 0;
}
.article-content code {
  background: rgba(12, 17, 32, 0.06);
  color: var(--nebula);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 14px;
}
.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-content img {
  border-radius: 12px;
  width: 100%;
  height: auto;
  margin: 24px 0;
}
.article-content figure {
  margin: 28px 0;
}
.article-content figure img {
  margin: 0 0 10px;
}
.article-content figcaption {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-content th {
  background: var(--night-soft);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 500;
}
.article-content td {
  border: 1px solid var(--line);
  padding: 12px 16px;
  color: #333A45;
}
.article-content tr:hover td {
  background: var(--paper);
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

/* ---------- Article Footer ---------- */
.article-footer {
  max-width: 720px;
  margin: 28px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(123, 108, 240, 0.08);
  color: var(--nebula);
  font-size: 12px;
  font-weight: 500;
  transition: background 0.25s ease, color 0.25s ease;
}
.tag:hover {
  background: rgba(123, 108, 240, 0.16);
  color: var(--ink);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.25s ease;
}
.back-link:hover {
  color: var(--nebula);
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--muted);
}
.empty-state i {
  font-size: 48px;
  color: var(--star);
  margin-bottom: 16px;
  display: block;
}
.empty-state p {
  font-size: 16px;
  margin-bottom: 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 0.25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--star);
  color: #1E1A00;
  border-color: var(--star);
}
.btn-primary:hover {
  background: var(--star-bright);
  border-color: var(--star-bright);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(224, 168, 76, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--star);
  border-color: var(--star);
}
.btn-outline:hover {
  background: rgba(224, 168, 76, 0.1);
  border-color: var(--star-bright);
  color: var(--star-bright);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 14px 40px;
  font-size: 16px;
}

/* ---------- Related Section ---------- */
.related-section {
  background: var(--paper);
  padding: 56px 0 64px;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  color: var(--ink);
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  border-radius: 2px;
  background: var(--star);
}
.section-more {
  font-size: 14px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.25s ease;
}
.section-more:hover {
  color: var(--star);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(123, 108, 240, 0.4);
}
.related-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--night-soft);
}
.related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-img img {
  transform: scale(1.03);
}
.related-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-body h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 8px;
  transition: color 0.25s ease;
}
.related-card:hover .related-body h3 {
  color: var(--nebula);
}
.related-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-date {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-date i {
  color: var(--star);
}

/* ---------- CTA ---------- */
.article-cta {
  background: var(--night);
  background-image:
    radial-gradient(ellipse at 50% 100%, rgba(224, 168, 76, 0.2), transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(123, 108, 240, 0.12), transparent 50%);
  padding: 72px 0;
  text-align: center;
  color: #fff;
}
.article-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 700;
  color: var(--star);
  margin-bottom: 14px;
}
.article-cta p {
  font-size: 15px;
  color: #D3D8E4;
  max-width: 520px;
  margin: 0 auto 28px;
  line-height: 1.8;
}
.article-cta .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(224, 168, 76, 0.35);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--night);
  color: rgba(255, 255, 255, 0.72);
  padding-top: 64px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .logo {
  margin-bottom: 14px;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 12px;
  max-width: 300px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  transition: all 0.25s ease;
}
.footer-social a:hover {
  background: rgba(224, 168, 76, 0.15);
  border-color: var(--star);
  color: var(--star);
}
.footer-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.25s ease;
}
.footer-links a:hover {
  color: var(--star);
}
.footer-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}
.footer-contact i {
  color: var(--star);
  margin-top: 3px;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.25s ease;
}
.footer-bottom a:hover {
  color: var(--star);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .nav-left, .nav-right {
    gap: 20px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-card:last-child {
    grid-column: span 2;
  }
}
@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .nav-left, .nav-right {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 99;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
  }
  .mobile-menu.open {
    display: flex;
  }
  .article-hero {
    padding: 44px 0 48px;
  }
  .article-title {
    font-size: 24px;
  }
  .article-meta {
    gap: 12px;
    font-size: 13px;
  }
  .meta-divider {
    display: none;
  }
  .article-content {
    padding: 32px 24px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .related-card:last-child {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: span 2;
  }
  .article-cta {
    padding: 56px 0;
  }
}
@media (max-width: 520px) {
  body {
    font-size: 15px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .article-content {
    padding: 24px 18px;
  }
  .article-content h2 {
    font-size: 20px;
  }
  .article-content h3 {
    font-size: 18px;
  }
  .related-body {
    padding: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: category2 */
:root {
  --night: #0C1120;
  --night-soft: #141B2E;
  --star: #E0A84C;
  --star-bright: #F0BC66;
  --nebula: #7B6CF0;
  --paper: #F8F6F1;
  --surface: #FFFFFF;
  --ink: #1E222B;
  --muted: #6C7280;
  --line: #E8E5DE;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(12,17,32,0.06);
  --shadow-lg: 0 8px 24px rgba(12,17,32,0.10);
  --transition: 0.25s ease;
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { padding: clamp(56px, 9vw, 96px) 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--nebula);
  background: rgba(123,108,240,0.08);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}
.section-header p { color: var(--muted); font-size: 16px; margin-top: 12px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(12,17,32,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.nav-left, .nav-right { display: flex; align-items: center; gap: 4px; }
.nav-link {
  color: rgba(248,246,241,0.82);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  position: relative;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--star); background: rgba(224,168,76,0.08); }
.nav-link.active { color: var(--star); font-weight: 700; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--star);
  border-radius: 2px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-svg { width: 32px; height: 32px; display: block; }
.logo-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 1px;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  color: var(--paper);
  font-size: 20px;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background var(--transition);
}
.nav-toggle:hover { background: rgba(255,255,255,0.08); }
.mobile-menu {
  display: none;
  background: var(--night);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 12px 24px 20px;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu a {
  font-size: 18px;
  color: rgba(248,246,241,0.85);
  padding: 12px 8px;
  border-radius: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--star); background: rgba(224,168,76,0.06); }
.mobile-menu a.active { color: var(--star); font-weight: 700; }

/* ========== Page Hero ========== */
.page-hero {
  position: relative;
  background: var(--night);
  padding: 88px 0 72px;
  text-align: center;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(224,168,76,0.12), transparent 65%),
              radial-gradient(ellipse 50% 40% at 80% 70%, rgba(123,108,240,0.10), transparent 60%);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(248,246,241,0.6);
  margin-bottom: 24px;
}
.breadcrumb a:hover { color: var(--star); }
.breadcrumb i { font-size: 10px; color: rgba(248,246,241,0.35); }
.page-hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--paper);
  margin-bottom: 18px;
}
.page-hero .hero-sub {
  font-size: 16px;
  line-height: 1.8;
  color: #D3D8E4;
  max-width: 680px;
  margin: 0 auto;
  opacity: 0.85;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--star);
  background: rgba(224,168,76,0.10);
  border: 1px solid rgba(224,168,76,0.25);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.hero-badge i { font-size: 12px; }

/* ========== Feature Overview ========== */
.feature-overview {
  background: var(--paper);
}
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.overview-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.overview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  transition: transform 0.6s ease;
}
.overview-media:hover img { transform: scale(1.03); }
.overview-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(12,17,32,0.25));
  pointer-events: none;
}
.overview-text .kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--nebula);
  background: rgba(123,108,240,0.08);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.overview-text h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--ink);
}
.overview-text p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.overview-list {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}
.overview-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
}
.overview-list li i {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(224,168,76,0.12);
  color: var(--star);
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ========== Feature Details ========== */
.feature-details {
  background: var(--surface);
}
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.feature-row:last-child { border-bottom: none; }
.feature-row.reverse .feature-media { order: 1; }
.feature-row.reverse .feature-content { order: 0; }
.feature-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.feature-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.feature-media:hover img { transform: scale(1.03); }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(224,168,76,0.10);
  color: var(--star);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.feature-content h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 24px;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--ink);
}
.feature-content > p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.feature-tags span {
  font-size: 13px;
  color: var(--nebula);
  background: rgba(123,108,240,0.08);
  padding: 6px 14px;
  border-radius: 100px;
  font-weight: 500;
}

/* ========== Steps ========== */
.steps-section {
  background: var(--night);
  position: relative;
  overflow: hidden;
}
.steps-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 40% 30% at 20% 30%, rgba(224,168,76,0.08), transparent 70%),
              radial-gradient(ellipse 30% 30% at 80% 70%, rgba(123,108,240,0.08), transparent 70%);
}
.steps-section .container { position: relative; z-index: 1; }
.steps-section .section-header h2 { color: var(--paper); }
.steps-section .section-header p { color: rgba(211,216,228,0.7); }
.steps-section .section-header .kicker { background: rgba(224,168,76,0.12); color: var(--star); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.step-card {
  background: var(--night-soft);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(224,168,76,0.3);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.step-num {
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--star);
  background: rgba(224,168,76,0.10);
  border: 1px solid rgba(224,168,76,0.2);
  border-radius: 100px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(123,108,240,0.12);
  color: #A59AFF;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step-card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 19px;
  color: var(--paper);
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: rgba(211,216,228,0.7);
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-section { background: var(--paper); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(224,168,76,0.3); }
.faq-item.open { border-color: rgba(224,168,76,0.4); box-shadow: var(--shadow); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--star); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(224,168,76,0.10);
  color: var(--star);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.open .faq-icon i { transform: rotate(45deg); }
.faq-item.open .faq-icon i::before { content: '\f068'; }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer {
  padding: 0 24px 22px;
  max-height: 300px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

/* ========== CTA ========== */
.cta-section {
  background: var(--night);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 76px 0;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 30%, rgba(224,168,76,0.10), transparent 70%);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--paper);
  margin-bottom: 14px;
  line-height: 1.3;
}
.cta-section p {
  font-size: 16px;
  color: rgba(211,216,228,0.75);
  margin-bottom: 32px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--star);
  color: #1E222B;
}
.btn-primary:hover {
  background: var(--star-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(224,168,76,0.25);
}
.btn-outline {
  background: transparent;
  border-color: rgba(224,168,76,0.5);
  color: var(--star);
}
.btn-outline:hover {
  background: rgba(224,168,76,0.08);
  border-color: var(--star);
  transform: translateY(-2px);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--night);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand .logo-text { color: var(--paper); }
.footer-brand p {
  font-size: 14px;
  color: rgba(211,216,228,0.65);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 300px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(248,246,241,0.75);
  font-size: 15px;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--star);
  color: var(--night);
  transform: translateY(-2px);
}
.footer-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 17px;
  color: var(--paper);
  margin-bottom: 20px;
  font-weight: 700;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  font-size: 14px;
  color: rgba(211,216,228,0.65);
  transition: all var(--transition);
}
.footer-links a:hover { color: var(--star); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(211,216,228,0.65);
  margin-bottom: 14px;
}
.footer-contact i {
  color: var(--star);
  font-size: 13px;
  margin-top: 4px;
  width: 16px;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(211,216,228,0.5);
}
.footer-bottom a { color: rgba(211,216,228,0.5); }
.footer-bottom a:hover { color: var(--star); }

/* ========== Responsive ========== */
@media (max-width: 1199px) {
  .container { padding: 0 20px; }
  .feature-row { gap: 40px; }
  .overview-grid { gap: 40px; }
}
@media (max-width: 991px) {
  .nav-toggle { display: block; }
  .nav-left, .nav-right { display: none; }
  .mobile-menu.show { display: flex; }
  .header-inner { justify-content: space-between; }
  .logo { order: 0; }
  .nav-toggle { order: 1; }
  .overview-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.reverse .feature-media { order: 0; }
  .feature-row.reverse .feature-content { order: 0; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .page-hero { padding: 64px 0 56px; }
  .page-hero h1 { font-size: 30px; }
  .overview-list { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 16px; }
  .faq-question { font-size: 15px; padding: 18px 16px; }
  .faq-answer p { font-size: 14px; }
  .feature-tags { gap: 8px; }
  .feature-tags span { font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .feature-media img { aspect-ratio: 16/10; }
  .overview-media img { aspect-ratio: 16/10; }
}
@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .page-hero .hero-sub { font-size: 14px; }
  .overview-grid { gap: 28px; }
  .feature-row { padding: 32px 0; gap: 24px; }
  .step-card { padding: 24px 16px; }
  .site-footer { padding-top: 48px; }
  .footer-grid { gap: 28px; }
  .footer-brand p { max-width: 100%; }
  .section-header { margin-bottom: 32px; }
  .faq-item.open .faq-answer { padding-bottom: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* roulang page: category3 */
:root {
  --night: #0C1120;
  --night-soft: #141B2E;
  --star: #E0A84C;
  --star-bright: #F0BC66;
  --nebula: #7B6CF0;
  --paper: #F8F6F1;
  --surface: #FFFFFF;
  --ink: #1E222B;
  --muted: #6C7280;
  --line: #E8E5DE;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(12,17,32,0.06);
  --shadow-lg: 0 8px 24px rgba(12,17,32,0.10);
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }
ul, ol { list-style: none; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(12,17,32,0.92);
  backdrop-filter: blur(6px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  height: 72px;
  position: relative;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-left { justify-content: flex-end; flex: 1; }
.nav-right { justify-content: flex-start; flex: 1; }
.nav-link {
  color: rgba(248,246,241,0.85);
  font-size: 15px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color 0.25s ease, background 0.25s ease;
  position: relative;
}
.nav-link:hover { color: var(--star-bright); }
.nav-link.active { color: var(--star); font-weight: 500; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: var(--star);
  border-radius: 2px;
}
.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-svg { width: 32px; height: 32px; }
.logo-text {
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
  font-weight: 700;
  color: #F8F6F1;
  letter-spacing: 1px;
}
.nav-toggle {
  display: none;
  position: absolute;
  right: 16px;
  font-size: 22px;
  color: #F8F6F1;
  padding: 6px 8px;
  z-index: 1001;
}
.mobile-menu { display: none; }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background-color: var(--night);
  background-size: cover;
  background-position: center;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12,17,32,0.82) 0%, rgba(12,17,32,0.55) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(248,246,241,0.7);
  margin-bottom: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 6px 18px;
  border-radius: 100px;
}
.breadcrumb a { color: rgba(248,246,241,0.85); transition: color 0.25s ease; }
.breadcrumb a:hover { color: var(--star-bright); }
.breadcrumb span { color: var(--star); }
.page-hero h1 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 700;
  color: #F8F6F1;
  line-height: 1.15;
  margin-bottom: 18px;
}
.hero-desc {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: #D3D8E4;
}
.hero-meta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-meta span {
  font-size: 13px;
  color: rgba(248,246,241,0.85);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 16px;
  border-radius: 100px;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.hero-meta span:hover { border-color: var(--star); color: var(--star); }

/* ===== Banner ===== */
.banner-section { padding: 64px 0 0; }
.banner-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.banner-card > img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}
.banner-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12,17,32,0.78) 0%, rgba(12,17,32,0.3) 65%, rgba(12,17,32,0.06) 100%);
}
.banner-caption {
  position: absolute;
  left: 0; bottom: 0;
  padding: 44px;
  z-index: 2;
  max-width: 640px;
}
.kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--star);
  background: rgba(224,168,76,0.12);
  border: 1px solid rgba(224,168,76,0.25);
  padding: 4px 16px;
  border-radius: 100px;
  margin-bottom: 14px;
  font-weight: 500;
}
.banner-caption h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(22px, 2.8vw, 32px);
  color: #F8F6F1;
  margin-bottom: 12px;
  line-height: 1.3;
}
.banner-caption p {
  color: rgba(248,246,241,0.82);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 18px;
}
.banner-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.banner-tags span {
  font-size: 12px;
  color: rgba(248,246,241,0.85);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 14px;
  border-radius: 100px;
}

/* ===== Scene Grid ===== */
.scenes-section {
  padding: 80px 0;
  background: var(--surface);
}
.section-head {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 52px;
}
.section-head .kicker {
  display: block;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--nebula);
  margin-bottom: 10px;
}
.section-head h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--ink);
}
.section-head p { color: var(--muted); font-size: 15px; }
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.scene-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--nebula);
}
.scene-icon {
  width: 54px;
  height: 54px;
  background: rgba(224,168,76,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--star);
  font-size: 22px;
}
.scene-card h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--ink);
}
.scene-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== Highlights ===== */
.highlights-section { padding: 80px 0; }
.highlight-block {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 56px;
}
.highlight-block:nth-child(even) { flex-direction: row-reverse; }
.highlight-block:last-child { margin-bottom: 0; }
.highlight-media {
  flex: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.highlight-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.highlight-media:hover img { transform: scale(1.03); }
.highlight-text { flex: 1; }
.highlight-text .kicker {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--nebula);
  margin-bottom: 8px;
  font-weight: 500;
}
.highlight-text h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--ink);
}
.highlight-text p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}
.highlight-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}
.highlight-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--ink);
}
.highlight-list li i {
  color: var(--star);
  margin-top: 5px;
  font-size: 13px;
}
.highlight-more {
  color: var(--nebula);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.25s ease, gap 0.25s ease;
}
.highlight-more:hover { color: var(--star); gap: 10px; }

/* ===== FAQ ===== */
.faq-section {
  padding: 80px 0;
  background: var(--surface);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 12px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.faq-item.open {
  border-color: var(--star);
  box-shadow: var(--shadow);
}
.faq-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.25s ease;
}
.faq-toggle:hover { color: var(--star); }
.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--star);
  font-style: normal;
  font-size: 14px;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--star);
  color: var(--night);
  border-color: var(--star);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer-inner {
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--night);
  background-image: radial-gradient(circle at 50% 20%, rgba(224,168,76,0.12) 0%, transparent 50%), radial-gradient(circle at 20% 80%, rgba(123,108,240,0.08) 0%, transparent 40%);
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(24px, 3.2vw, 34px);
  color: var(--star);
  margin-bottom: 14px;
  line-height: 1.3;
}
.cta-section p {
  color: #D3D8E4;
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 15px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn-primary {
  background: var(--star);
  color: var(--night);
}
.btn-primary:hover {
  background: var(--star-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(224,168,76,0.25);
}
.btn-outline {
  background: transparent;
  color: var(--star);
  border: 1px solid var(--star);
}
.btn-outline:hover {
  background: rgba(224,168,76,0.1);
  border-color: var(--star-bright);
  color: var(--star-bright);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--night);
  color: #D3D8E4;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(211,216,228,0.7);
  margin: 16px 0 20px;
  max-width: 300px;
  line-height: 1.8;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  color: #D3D8E4;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.footer-social a:hover {
  color: var(--star);
  border-color: var(--star);
  background: rgba(224,168,76,0.1);
}
.footer-title {
  font-family: "Noto Serif SC", serif;
  font-size: 16px;
  color: #F8F6F1;
  margin-bottom: 18px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(211,216,228,0.75);
  transition: color 0.25s ease, padding-left 0.25s ease;
}
.footer-links a:hover { color: var(--star); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: rgba(211,216,228,0.75);
}
.footer-contact i {
  color: var(--star);
  margin-top: 4px;
  font-size: 13px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(211,216,228,0.55);
}
.footer-bottom a { color: rgba(211,216,228,0.7); transition: color 0.25s ease; }
.footer-bottom a:hover { color: var(--star); }

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .nav-left, .nav-right { display: none; }
  .nav-toggle { display: block; }
  .header-inner { height: 64px; justify-content: center; }
  .mobile-menu {
    display: none;
    flex-direction: column;
    gap: 16px;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--night);
    padding: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 999;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    font-size: 18px;
    color: rgba(248,246,241,0.85);
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: color 0.25s ease;
  }
  .mobile-menu a:hover { color: var(--star); }
  .mobile-menu a.active { color: var(--star); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .page-hero { padding: 120px 0 60px; }
  .service-lead { padding: 60px 0; }
  .banner-card > img { height: 320px; }
  .banner-caption { padding: 24px; }
  .banner-caption p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .highlight-block, .highlight-block:nth-child(even) { flex-direction: column; gap: 24px; }
  .highlight-media img { height: 220px; }
  .scene-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 320px; }
}
@media (max-width: 576px) {
  .container { padding: 0 16px; }
  .highlight-list { grid-template-columns: 1fr; }
  .hero-desc { font-size: 15px; }
  .banner-card > img { height: 260px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}