/* roulang page: index */
:root{
  --color-primary:#1E4D3C;
  --color-primary-dark:#0F2A22;
  --color-primary-soft:#E8F0EB;
  --color-accent:#C0502E;
  --color-accent-dark:#A34527;
  --color-bg:#FAF7F2;
  --color-bg-alt:#F1EBE3;
  --color-border:#E5DCD0;
  --color-text:#26281F;
  --color-text-weak:#6E6B5E;
  --color-white:#FFFFFF;
  --color-light:#FDFBF7;
  --color-disabled:#BDB7AC;
  --radius-xs:6px;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(31,61,45,.06);
  --shadow-md:0 8px 24px rgba(31,61,45,.12);
  --shadow-lg:0 20px 48px rgba(31,61,45,.14);
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun","STSong",serif;
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--color-bg);
  color:var(--color-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p{margin-top:0;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--color-primary);text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
input{font-family:inherit;}
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid rgba(30,77,60,.35);
  outline-offset:2px;
}
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--color-accent);
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  padding:12px 24px;
  font-size:16px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  text-decoration:none;
  transition:background .2s,transform .1s,box-shadow .2s;
}
.btn-primary:hover{
  background:var(--color-accent-dark);
  box-shadow:0 6px 16px rgba(192,80,46,.25);
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 2px 8px rgba(192,80,46,.2);
}
.btn-primary.btn-block{width:100%;}
.btn-primary.btn-lg{
  padding:16px 36px;
  font-size:18px;
}
.btn-outline-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border:1px solid rgba(255,255,255,.65);
  border-radius:var(--radius-sm);
  color:#fff;
  font-weight:600;
  font-size:16px;
  text-decoration:none;
  transition:background .2s,border-color .2s;
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
}
/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--color-white);
  border-bottom:1px solid var(--color-border);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:flex;
  flex-direction:column;
  line-height:1;
  gap:4px;
  flex-shrink:0;
}
.logo strong{
  font-family:var(--font-serif);
  font-size:26px;
  color:var(--color-primary);
  letter-spacing:.04em;
}
.logo span{
  font-size:12px;
  color:var(--color-text-weak);
  letter-spacing:.18em;
  white-space:nowrap;
}
.nav-chips{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:center;
}
.nav-chip{
  display:inline-flex;
  align-items:center;
  padding:8px 18px;
  border-radius:var(--radius-lg);
  color:var(--color-primary);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background .2s,color .2s;
}
.nav-chip:hover{
  background:var(--color-primary-soft);
}
.nav-chip.active{
  background:var(--color-primary);
  color:#fff;
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 22px;
  border-radius:var(--radius-sm);
  background:var(--color-accent);
  color:#fff;
  font-weight:600;
  font-size:14px;
  text-decoration:none;
  transition:background .2s,transform .1s;
}
.header-cta:hover{
  background:var(--color-accent-dark);
}
.header-cta:active{
  transform:translateY(1px);
}
.burger{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:8px;
}
.burger span{
  display:block;
  width:24px;
  height:2px;
  background:var(--color-text);
  border-radius:2px;
  transition:transform .3s,opacity .3s;
}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{
  display:none;
  position:absolute;
  top:100%;
  left:0;
  right:0;
  background:var(--color-white);
  border-bottom:1px solid var(--color-border);
  padding:16px 24px 24px;
  flex-direction:column;
  gap:10px;
  z-index:99;
  box-shadow:var(--shadow-md);
}
.mobile-menu.open{
  display:flex;
}
.mobile-menu .nav-chip{
  width:100%;
  justify-content:flex-start;
  padding:12px 16px;
  border-radius:var(--radius-sm);
  font-size:15px;
}
.mobile-menu .header-cta{
  margin-top:12px;
  justify-content:center;
}
/* Countdown */
.countdown-bar{
  background:var(--color-primary);
  color:#fff;
  height:44px;
}
.countdown-wrap{
  height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.countdown-label{
  background:var(--color-accent);
  border-radius:var(--radius-lg);
  padding:3px 14px;
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
}
.countdown-timer{
  font-family:var(--font-mono);
  font-size:15px;
  letter-spacing:.05em;
  display:flex;
  align-items:center;
  gap:8px;
}
.countdown-hint{
  font-family:var(--font-sans);
  font-size:13px;
  color:rgba(255,255,255,.8);
  margin-right:4px;
}
.cd-item{
  display:inline-flex;
  align-items:baseline;
  gap:2px;
}
.cd-item strong{
  font-size:18px;
  font-weight:700;
  color:#fff;
  min-width:26px;
  text-align:center;
  line-height:1;
}
.cd-unit{
  font-size:12px;
  color:rgba(255,255,255,.7);
  margin-left:2px;
}
.cd-sep{
  color:rgba(255,255,255,.5);
}
/* Hero */
.hero{
  position:relative;
  padding:96px 0;
  overflow:hidden;
  background:
    linear-gradient(to bottom right,rgba(250,247,242,.94) 20%,rgba(232,240,235,.82) 60%,rgba(30,77,60,.42) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-inner{
  display:flex;
  align-items:center;
  gap:56px;
}
.hero-copy{
  flex:1 1 56%;
}
.hero-card{
  flex:1 1 44%;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(30,77,60,.08);
  color:var(--color-primary);
  border:1px solid rgba(30,77,60,.15);
  padding:6px 14px;
  border-radius:var(--radius-lg);
  font-size:13px;
  font-weight:600;
  margin-bottom:24px;
}
.pulse-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#2EAF7D;
  display:inline-block;
  position:relative;
}
.pulse-dot::after{
  content:"";
  position:absolute;
  inset:-4px;
  border-radius:50%;
  background:rgba(46,175,125,.28);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%,100%{transform:scale(.8);opacity:.8;}
  50%{transform:scale(1.3);opacity:.2;}
}
.hero-copy h1{
  font-family:var(--font-serif);
  font-size:44px;
  line-height:1.3;
  color:var(--color-primary-dark);
  margin:0 0 16px;
  letter-spacing:.01em;
}
.h1-highlight{
  color:var(--color-primary);
  border-bottom:2px solid var(--color-accent);
}
.hero-sub{
  font-size:18px;
  color:var(--color-primary);
  font-weight:600;
  margin-bottom:12px;
}
.hero-desc{
  color:var(--color-text-weak);
  max-width:560px;
  margin-bottom:0;
  line-height:1.8;
}
.hero-stats{
  display:flex;
  gap:44px;
  margin-top:36px;
  flex-wrap:wrap;
}
.hero-stat strong{
  font-family:var(--font-mono);
  font-size:28px;
  color:var(--color-primary-dark);
  display:block;
  line-height:1.2;
}
.hero-stat span{
  font-size:13px;
  color:var(--color-text-weak);
}
.login-card{
  background:var(--color-white);
  border:1px solid var(--color-border);
  border-radius:16px;
  box-shadow:var(--shadow-lg);
  padding:32px;
  position:relative;
  overflow:hidden;
}
.login-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background:var(--color-accent);
}
.login-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:24px;
}
.login-head-left{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--color-primary-dark);
  font-family:var(--font-serif);
}
.login-tag{
  font-size:11px;
  letter-spacing:.18em;
  color:var(--color-accent);
  border:1px solid rgba(192,80,46,.35);
  background:rgba(192,80,46,.06);
  padding:3px 10px;
  border-radius:var(--radius-lg);
  font-weight:700;
}
.login-form label{
  display:block;
  font-size:14px;
  color:var(--color-text-weak);
  margin-bottom:8px;
}
.login-form input{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:var(--color-light);
  font-size:15px;
  color:var(--color-text);
  margin-bottom:16px;
  transition:border-color .2s,box-shadow .2s;
}
.login-form input:focus{
  outline:none;
  border-color:var(--color-primary);
  box-shadow:0 0 0 3px rgba(30,77,60,.12);
}
.login-note{
  font-size:13px;
  color:var(--color-text-weak);
  line-height:1.7;
  margin:16px 0 0;
}
.login-divider{
  display:flex;
  align-items:center;
  gap:12px;
  margin:20px 0 12px;
  color:var(--color-text-weak);
  font-size:13px;
}
.login-divider::before,
.login-divider::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--color-border);
}
.login-tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.login-tags span{
  font-size:12px;
  color:var(--color-primary);
  background:var(--color-primary-soft);
  padding:4px 12px;
  border-radius:var(--radius-lg);
  font-weight:600;
}
/* Section common */
.features-section,
.gallery-section,
.faq-section,
.latest-section{
  padding:96px 0;
}
.gallery-section,
.faq-section{
  background:var(--color-bg-alt);
}
.section-head{
  max-width:760px;
}
.section-kicker{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--color-accent);
  font-weight:700;
  text-transform:uppercase;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
}
.section-kicker::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--color-accent);
  display:inline-block;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:32px;
  line-height:1.4;
  color:var(--color-primary-dark);
  margin:0 0 12px;
}
.section-head p{
  color:var(--color-text-weak);
  line-height:1.75;
  margin-bottom:0;
}
/* Features */
.features-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--color-border);
  margin-top:48px;
}
.feature-item{
  display:flex;
  gap:24px;
  padding:36px 32px;
  border-bottom:1px solid var(--color-border);
  transition:background .2s;
}
.feature-item:nth-child(odd){
  border-right:1px solid var(--color-border);
}
.feature-item:hover{
  background:rgba(30,77,60,.03);
}
.feature-num{
  font-family:var(--font-mono);
  font-size:28px;
  color:var(--color-accent);
  line-height:1;
  font-weight:700;
  flex-shrink:0;
  margin-top:4px;
}
.feature-body h3{
  font-size:20px;
  color:var(--color-primary-dark);
  margin:0 0 8px;
  font-family:var(--font-serif);
}
.feature-body p{
  margin:0;
  color:var(--color-text-weak);
  line-height:1.75;
  font-size:15px;
}
/* Gallery */
.gallery-wall{
  columns:3;
  column-gap:24px;
  margin-top:48px;
}
.gallery-item{
  break-inside:avoid;
  margin-bottom:24px;
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  display:block;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s,transform .25s;
}
.gallery-item:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.gallery-item img{
  width:100%;
  height:auto;
  background:var(--color-bg-alt);
  transition:transform .45s ease;
}
.gallery-item:hover img{
  transform:scale(1.04);
}
.ratio-3-4{aspect-ratio:3/4;object-fit:cover;}
.ratio-4-3{aspect-ratio:4/3;object-fit:cover;}
.ratio-2-3{aspect-ratio:2/3;object-fit:cover;}
.ratio-1-1{aspect-ratio:1/1;object-fit:cover;}
.gallery-caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:48px 18px 14px;
  background:linear-gradient(to top,rgba(15,42,34,.78),transparent);
  color:#fff;
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
}
/* CTA */
.cta-band{
  background:var(--color-primary-dark);
  position:relative;
  overflow:hidden;
  padding:84px 0;
  text-align:center;
  color:var(--color-light);
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-80px;
  width:360px;
  height:360px;
  border-radius:50%;
  background:rgba(30,77,60,.55);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
}
.cta-kicker{
  display:inline-block;
  font-size:12px;
  letter-spacing:.24em;
  color:var(--color-accent);
  font-weight:700;
  margin-bottom:12px;
  text-transform:uppercase;
}
.cta-band h2{
  font-family:var(--font-serif);
  font-size:36px;
  line-height:1.3;
  color:#fff;
  margin:0 0 12px;
}
.cta-band p{
  color:rgba(253,251,247,.72);
  font-size:17px;
  max-width:620px;
  margin:0 auto 32px;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-note{
  margin-top:20px;
  font-size:13px;
  color:rgba(253,251,247,.5);
}
/* Rules */
.rules-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin:48px 0 64px;
}
.rule-item{
  border-left:3px solid var(--color-accent);
  padding:20px 18px 20px 24px;
  background:var(--color-white);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s,transform .2s;
}
.rule-item:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.rule-num{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--color-accent);
  font-weight:700;
  letter-spacing:.1em;
}
.rule-item h3{
  margin:12px 0 8px;
  font-size:18px;
  color:var(--color-primary-dark);
  font-family:var(--font-serif);
}
.rule-item p{
  margin:0;
  font-size:14px;
  color:var(--color-text-weak);
  line-height:1.7;
}
/* FAQ */
.faq-block{
  max-width:920px;
  margin:0 auto;
}
.faq-block-title{
  font-size:20px;
  color:var(--color-primary-dark);
  margin-bottom:16px;
  font-family:var(--font-serif);
}
.faq-accordion{
  border-top:1px solid var(--color-border);
}
.faq-item{
  border-bottom:1px solid var(--color-border);
}
.faq-question{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:22px 0;
  background:transparent;
  border:none;
  font-size:17px;
  font-weight:600;
  color:var(--color-text);
  text-align:left;
  transition:color .2s;
}
.faq-question:hover{
  color:var(--color-primary);
}
.faq-icon{
  width:32px;
  height:32px;
  border:1px solid var(--color-border);
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:400;
  color:var(--color-primary);
  flex-shrink:0;
  transition:transform .3s,border-color .3s,background .3s,color .3s;
}
.faq-item.active .faq-icon{
  transform:rotate(45deg);
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:#fff;
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer-inner{
  padding-bottom:24px;
  color:var(--color-text-weak);
  line-height:1.75;
  font-size:15px;
  max-width:860px;
}
/* Latest */
.latest-list{
  margin-top:48px;
  border-top:1px solid var(--color-border);
}
.news-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:28px 16px;
  border-bottom:1px solid var(--color-border);
  text-decoration:none;
  color:inherit;
  transition:background .2s;
}
.news-item:hover{
  background:var(--color-bg-alt);
}
.news-main{
  display:flex;
  align-items:flex-start;
  gap:16px;
  min-width:0;
}
.news-chip{
  flex-shrink:0;
  background:var(--color-primary-soft);
  color:var(--color-primary);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--radius-lg);
  margin-top:2px;
  white-space:nowrap;
}
.news-text h3{
  margin:0 0 4px;
  font-size:17px;
  line-height:1.5;
  color:var(--color-text);
}
.news-text p{
  margin:0;
  color:var(--color-text-weak);
  font-size:14px;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.news-date{
  font-size:13px;
  color:var(--color-text-weak);
  white-space:nowrap;
}
.news-arrow{
  width:32px;
  height:32px;
  border:1px solid var(--color-border);
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--color-primary);
  font-size:16px;
  transition:background .2s,color .2s,border-color .2s;
}
.news-item:hover .news-arrow{
  background:var(--color-primary);
  color:#fff;
  border-color:var(--color-primary);
}
.empty-state{
  text-align:center;
  padding:64px 24px;
  background:var(--color-bg-alt);
  border-radius:var(--radius-md);
  color:var(--color-text-weak);
}
.empty-state p{
  margin-bottom:0;
  font-size:15px;
}
.empty-state svg{
  margin-bottom:8px;
}
/* Footer */
.site-footer{
  background:var(--color-primary-dark);
  color:rgba(253,251,247,.82);
}
.footer-top-line{
  height:4px;
  background:var(--color-accent);
}
.footer-inner{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.2fr;
  gap:48px;
  padding:64px 24px 48px;
}
.footer-col h3{
  font-size:16px;
  color:#fff;
  margin-bottom:16px;
  font-weight:700;
}
.logo-footer{
  margin-bottom:16px;
}
.logo-footer strong{
  color:#fff;
}
.logo-footer span{
  color:rgba(253,251,247,.65);
}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  margin:0;
  color:rgba(253,251,247,.68);
  max-width:320px;
}
.footer-nav a{
  display:block;
  padding:6px 0;
  color:rgba(253,251,247,.75);
  text-decoration:none;
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.footer-nav a:hover{
  color:#fff;
  padding-left:4px;
}
.footer-contact p{
  font-size:14px;
  line-height:1.8;
  margin:0 0 6px;
  color:rgba(253,251,247,.68);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;
}
.footer-bottom .container{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{
  margin:0;
  font-size:13px;
  color:rgba(253,251,247,.5);
}
/* Responsive */
@media (max-width:1024px){
  .hero-inner{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:36px;
  }
  .hero-copy{
    max-width:720px;
  }
  .hero-card{
    max-width:520px;
    width:100%;
  }
  .gallery-wall{
    columns:2;
  }
  .rules-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .hero-copy h1{
    font-size:40px;
  }
}
@media (max-width:768px){
  .container{
    padding:0 16px;
  }
  .site-header .nav-chips{
    display:none;
  }
  .site-header .desktop-cta{
    display:none;
  }
  .burger{
    display:flex;
  }
  .countdown-hint,
  .cd-optional{
    display:none;
  }
  .countdown-wrap{
    gap:8px;
  }
  .features-grid{
    grid-template-columns:1fr;
  }
  .feature-item:nth-child(odd){
    border-right:none;
  }
  .gallery-wall{
    columns:2;
    column-gap:16px;
  }
  .gallery-item{
    margin-bottom:16px;
  }
  .rules-grid{
    grid-template-columns:1fr;
  }
  .footer-inner{
    grid-template-columns:1fr;
    gap:32px;
    padding:48px 16px 32px;
  }
  .footer-bottom .container{
    flex-direction:column;
    text-align:center;
  }
  .news-item{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
  }
  .news-meta{
    width:100%;
    justify-content:space-between;
  }
  .cta-band h2{
    font-size:28px;
  }
}
@media (max-width:520px){
  .features-section,
  .gallery-section,
  .faq-section,
  .latest-section{
    padding:48px 0;
  }
  .hero{
    padding:64px 0;
  }
  .hero-copy h1{
    font-size:32px;
  }
  .hero-stats{
    gap:24px;
  }
  .hero-stat strong{
    font-size:24px;
  }
  .section-head h2{
    font-size:24px;
  }
  .gallery-wall{
    columns:1;
  }
  .feature-item{
    padding:28px 20px;
    flex-direction:column;
    gap:14px;
  }
  .feature-num{
    font-size:24px;
  }
  .cta-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .btn-primary.btn-lg,
  .btn-outline-light{
    width:100%;
  }
  .login-card{
    padding:24px;
  }
  .news-item{
    padding:20px 12px;
  }
  .news-main{
    flex-direction:column;
    gap:8px;
  }
  .footer-bottom .container{
    text-align:left;
  }
}

/* roulang page: article */
:root {
  --primary: #1E4D3C;
  --primary-dark: #17402F;
  --primary-light: #E8F0EC;
  --deep: #0F2A22;
  --accent: #C0502E;
  --accent-dark: #A34527;
  --bg: #FAF7F2;
  --bg-soft: #F1EBE3;
  --card-bg: #FFFFFF;
  --border: #E5DCD0;
  --text-main: #26281F;
  --text-sub: #6E6B5E;
  --text-white: #FDFBF7;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-chip: 20px;
  --shadow-sm: 0 2px 8px rgba(31,61,45,.06);
  --shadow-lg: 0 8px 24px rgba(31,61,45,.12);
  --shadow-accent: 0 6px 20px rgba(192,80,46,.22);
  --transition: .3s ease;
  --font-head: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Source Han Sans SC", "Noto Sans SC", "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-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  flex-shrink: 0;
}
.logo strong {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .08em;
}
.logo span {
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: .12em;
  margin-top: 2px;
}
.nav-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}
.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: var(--radius-chip);
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  background: transparent;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all .3s ease;
}
.nav-chip:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.nav-chip.active {
  background: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(30,77,60,.22);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 28px;
  background: var(--accent);
  color: var(--text-white);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-accent);
  transition: all .3s ease;
}
.header-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(192,80,46,.28);
}
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
}
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.mobile-menu {
  display: none;
  padding: 16px 24px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.mobile-menu .nav-chip {
  display: block;
  width: 100%;
  text-align: center;
  padding: 14px;
  font-size: 16px;
}
.mobile-menu .header-cta {
  display: flex;
  width: 100%;
  margin-top: 12px;
  padding: 14px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
}
.breadcrumb-nav a {
  color: var(--text-sub);
  transition: color .3s ease;
}
.breadcrumb-nav a:hover { color: var(--primary); }
.breadcrumb-nav .sep { color: var(--border); margin: 0 2px; }
.breadcrumb-nav .current {
  color: var(--primary);
  font-weight: 500;
  display: inline-block;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Article Main ===== */
.article-main {
  padding: 56px 0 72px;
}
.article-container {
  max-width: 1200px;
}
.article-header {
  max-width: 860px;
  margin: 0 auto 40px;
  text-align: center;
}
.article-header h1 {
  font-family: var(--font-head);
  font-size: 34px;
  line-height: 1.35;
  color: var(--deep);
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: .02em;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 20px;
  font-size: 14px;
  color: var(--text-sub);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border);
}
.meta-cat {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: var(--radius-chip);
  font-size: 13px;
  font-weight: 500;
}
.article-divider {
  max-width: 860px;
  height: 1px;
  background: var(--border);
  margin: 0 auto 44px;
}

/* ===== Article Body ===== */
.article-body-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-main);
}
.article-body > * + * {
  margin-top: 24px;
}
.article-body h2,
.article-body h3 {
  font-family: var(--font-head);
  color: var(--deep);
  margin-top: 44px;
  margin-bottom: 16px;
  line-height: 1.4;
}
.article-body h2 {
  font-size: 26px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.article-body h3 {
  font-size: 20px;
}
.article-body p {
  margin-bottom: 24px;
  text-align: justify;
}
.article-body a {
  color: var(--accent);
  border-bottom: 1px solid rgba(192,80,46,.3);
}
.article-body a:hover {
  color: var(--accent-dark);
  border-bottom-color: var(--accent);
}
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-soft);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-sub);
  font-style: normal;
  margin: 32px 0;
}
.article-body blockquote p { margin: 0; }
.article-body img {
  border-radius: var(--radius);
  margin: 36px auto;
  box-shadow: var(--shadow-sm);
}
.article-body ul,
.article-body ol {
  margin: 20px 0 28px;
  padding-left: 28px;
}
.article-body ul li,
.article-body ol li {
  margin-bottom: 10px;
}
.article-body ul li::marker,
.article-body ol li::marker {
  color: var(--accent);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 15px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-body table th,
.article-body table td {
  border: 1px solid var(--border);
  padding: 14px 16px;
  text-align: left;
}
.article-body table th {
  background: var(--bg-soft);
  color: var(--deep);
  font-weight: 600;
}
.article-body figure {
  margin: 36px 0;
}
.article-body figcaption {
  text-align: center;
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 12px;
}

/* ===== Empty State ===== */
.article-empty {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 64px 32px;
  text-align: center;
  border: 1px dashed var(--border);
}
.article-empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
}
.article-empty p {
  font-size: 16px;
  color: var(--text-main);
  margin-bottom: 20px;
}
.article-empty .btn-primary {
  display: inline-block;
  padding: 10px 28px;
  background: var(--primary);
  color: var(--text-white);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all .3s ease;
}
.article-empty .btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* ===== Article Footer ===== */
.article-footer-bar {
  max-width: 760px;
  margin: 48px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-footer-bar a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--primary);
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  transition: all .3s ease;
}
.article-footer-bar a:hover {
  background: var(--primary);
  color: var(--text-white);
}
.article-footer-bar .back-home {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sub);
}
.article-footer-bar .back-home:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* ===== Related Section ===== */
.related-section {
  max-width: 1200px;
  margin: 80px auto 0;
}
.related-section .section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-uptitle {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}
.related-section h2 {
  font-family: var(--font-head);
  font-size: 28px;
  color: var(--deep);
  text-align: center;
}
.related-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}
.related-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  transition: all .3s ease;
}
.related-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--primary);
}
.related-thumb {
  width: 96px;
  height: 68px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-soft);
  position: relative;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.related-info {
  flex: 1;
  min-width: 0;
}
.related-info h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--deep);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.related-info p {
  font-size: 14px;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.related-arrow {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
  transition: all .3s ease;
}
.related-item:hover .related-arrow {
  background: var(--primary);
  color: var(--text-white);
  transform: translateX(4px);
}

/* ===== Article CTA ===== */
.article-cta {
  margin-top: 80px;
  background: linear-gradient(135deg, var(--deep) 0%, var(--primary) 100%);
  border-radius: var(--radius);
  padding: 64px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: .12;
}
.article-cta-inner {
  position: relative;
  z-index: 2;
}
.article-cta h2 {
  font-family: var(--font-head);
  font-size: 30px;
  color: var(--text-white);
  margin-bottom: 14px;
}
.article-cta p {
  color: rgba(253, 251, 247, .8);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 28px;
}
.btn-cta-light {
  display: inline-block;
  padding: 14px 44px;
  background: var(--accent);
  color: var(--text-white);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  box-shadow: var(--shadow-accent);
  transition: all .3s ease;
}
.btn-cta-light:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(192,80,46,.35);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--deep);
  color: rgba(253, 251, 247, .85);
  margin-top: 72px;
}
.footer-top-line {
  height: 4px;
  background: var(--accent);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  padding: 56px 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo-footer {
  margin-bottom: 16px;
}
.logo-footer strong {
  color: var(--text-white);
  font-size: 26px;
}
.logo-footer span {
  color: rgba(253, 251, 247, .6);
  font-size: 12px;
  letter-spacing: .12em;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(253, 251, 247, .65);
  max-width: 320px;
}
.footer-col h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 18px;
  letter-spacing: .06em;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(253, 251, 247, .7);
  transition: all .3s ease;
}
.footer-col a:hover {
  color: var(--text-white);
  padding-left: 6px;
}
.footer-contact p {
  font-size: 14px;
  color: rgba(253, 251, 247, .7);
  margin-bottom: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(253, 251, 247, .08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(253, 251, 247, .45);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .related-thumb { width: 80px; height: 60px; }
  .article-header h1 { font-size: 30px; }
}
@media (max-width: 900px) {
  .nav-chips { display: none; }
  .desktop-cta { display: none; }
  .burger { display: flex; }
  .mobile-menu.open { display: block; }
  .header-inner { height: 64px; }
  .breadcrumb-wrap { padding: 12px 0; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .article-main { padding: 40px 0 56px; }
  .article-header { margin-bottom: 28px; }
  .article-header h1 { font-size: 26px; }
  .article-meta { gap: 8px; }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 18px; }
  .related-item { flex-wrap: wrap; padding: 16px; }
  .related-thumb { width: 100%; height: 120px; }
  .related-info h3,
  .related-info p { white-space: normal; }
  .related-arrow { display: none; }
  .article-cta { padding: 48px 24px; }
  .article-cta h2 { font-size: 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 16px 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .article-footer-bar { flex-direction: column; gap: 12px; }
  .article-footer-bar a { width: 100%; justify-content: center; }
  .breadcrumb-nav { font-size: 13px; }
}
@media (max-width: 520px) {
  .logo strong { font-size: 22px; }
  .logo span { font-size: 11px; }
  .section-uptitle { font-size: 11px; }
  .article-body table { display: block; overflow-x: auto; }
  .related-list { gap: 12px; }
  .article-cta p { font-size: 14px; }
}

/* roulang page: category1 */
:root {
    --primary: #1E4D3C;
    --primary-dark: #0F2A22;
    --accent: #C0502E;
    --accent-hover: #A34527;
    --bg: #FAF7F2;
    --bg-alt: #F1EBE3;
    --card: #FFFFFF;
    --border: #E5DCD0;
    --text: #26281F;
    --muted: #6E6B5E;
    --light: #FDFBF7;
    --disable: #BDB7AC;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-pill: 20px;
    --shadow: 0 2px 8px rgba(31, 61, 45, .06);
    --shadow-hover: 0 8px 24px rgba(31, 61, 45, .12);
    --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
    --font-sans: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --container: 1200px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

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

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 247, 242, .96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    flex-shrink: 0;
}

.logo strong {
    font-family: var(--font-serif);
    font-size: 26px;
    color: var(--primary);
    letter-spacing: .04em;
}

.logo span {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: .08em;
    margin-top: 2px;
}

.nav-chips {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    border: 1px solid transparent;
    transition: background .2s, color .2s, border-color .2s;
    white-space: nowrap;
}

.nav-chip:hover {
    background: rgba(30, 77, 60, .08);
}

.nav-chip.active {
    background: var(--primary);
    color: #fff;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    transition: background .2s, transform .15s;
}

.header-cta:hover {
    background: var(--accent-hover);
    color: #fff;
}

.header-cta:active {
    transform: scale(.97);
}

.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 10px;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
}

.burger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger.open span:nth-child(2) {
    opacity: 0;
}

.burger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 16px 24px 24px;
    flex-direction: column;
    gap: 10px;
}

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

.mobile-menu .nav-chip {
    justify-content: flex-start;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: 1px solid var(--border);
}

.mobile-menu .nav-chip.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.mobile-menu .header-cta {
    margin-top: 6px;
    width: 100%;
}

/* ---------- Page Hero ---------- */
.page-hero {
    position: relative;
    background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 88px 0 72px;
    color: var(--light);
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(15, 42, 34, .9) 10%, rgba(30, 77, 60, .72) 60%, rgba(15, 42, 34, .5) 100%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(253, 251, 247, .75);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: rgba(253, 251, 247, .85);
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb .sep {
    opacity: .5;
}

.breadcrumb .current {
    color: #fff;
    font-weight: 500;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .25);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    letter-spacing: .06em;
    margin-bottom: 20px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #8FCB9B;
}

.page-hero h1 {
    font-family: var(--font-serif);
    font-size: 40px;
    line-height: 1.25;
    font-weight: 600;
    margin-bottom: 16px;
    max-width: 720px;
}

.page-hero h1 .heading-sub {
    color: #E8C9A8;
    font-size: .5em;
    font-weight: 400;
    letter-spacing: .08em;
}

.page-hero p.hero-lead {
    font-size: 17px;
    line-height: 1.8;
    max-width: 620px;
    color: rgba(253, 251, 247, .9);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .2s, transform .15s, border-color .2s, color .2s;
    line-height: 1.4;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-outline {
    background: transparent;
    color: var(--light);
    border-color: rgba(253, 251, 247, .55);
}

.btn-outline:hover {
    background: rgba(253, 251, 247, .12);
    border-color: #fff;
    color: #fff;
}

.btn-outline:active {
    transform: translateY(1px);
}

/* ---------- Section Common ---------- */
.section {
    padding: 96px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-head .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: .12em;
    margin-bottom: 12px;
}

.section-head .eyebrow::before,
.section-head .eyebrow::after {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--accent);
    opacity: .5;
}

.section-head h2 {
    font-family: var(--font-serif);
    font-size: 32px;
    line-height: 1.35;
    color: var(--primary-dark);
    margin-bottom: 14px;
}

.section-head p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
}

/* ---------- Steps ---------- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    counter-reset: step;
}

.step-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s;
    position: relative;
}

.step-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.step-number {
    font-family: var(--font-serif);
    font-size: 44px;
    line-height: 1;
    color: var(--accent);
    display: block;
    margin-bottom: 18px;
    font-weight: 600;
    letter-spacing: .02em;
}

.step-item h3 {
    font-family: var(--font-serif);
    font-size: 21px;
    color: var(--primary);
    margin-bottom: 12px;
}

.step-item p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.75;
}

/* ---------- Feature Rows ---------- */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.feature-row + .feature-row {
    margin-top: 80px;
}

.feature-media {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
    line-height: 0;
}

.feature-media img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
    transition: transform .5s ease;
}

.feature-row:hover .feature-media img {
    transform: scale(1.02);
}

.feature-content .feature-tag {
    display: inline-block;
    background: rgba(30, 77, 60, .1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    letter-spacing: .05em;
    margin-bottom: 16px;
}

.feature-content h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    line-height: 1.35;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.feature-content p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    display: grid;
    gap: 12px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--text);
}

.feature-list li::before {
    content: '';
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--accent);
    margin-top: 3px;
}

/* ---------- Stats ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: box-shadow .25s, transform .25s;
}

.stat-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.1;
    display: block;
    margin-bottom: 8px;
}

.stat-number small {
    font-size: 20px;
    color: var(--accent);
    margin-left: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--muted);
}

/* ---------- FAQ ---------- */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}

.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .3s, box-shadow .3s;
}

.faq-item.open {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-sans);
    color: var(--text);
    text-align: left;
    cursor: pointer;
    transition: color .2s;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    position: relative;
    flex-shrink: 0;
    width: 22px;
    height: 22px;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--primary);
    border-radius: 2px;
    transition: transform .3s;
}

.faq-icon::before {
    top: 9px;
    left: 1px;
    width: 20px;
    height: 3px;
}

.faq-icon::after {
    left: 9px;
    top: 1px;
    width: 3px;
    height: 20px;
}

.faq-item.open .faq-icon::after {
    transform: scaleY(0);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.75;
}

.faq-item.open .faq-answer {
    max-height: 320px;
}

.faq-item.open .faq-answer-inner {
    padding-top: 4px;
}

/* ---------- CTA ---------- */
.cta-section {
    background: var(--primary-dark);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
    text-align: center;
    color: var(--light);
}

.cta-section::before {
    content: '';
    position: absolute;
    right: -10%;
    top: -40%;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: rgba(192, 80, 46, .15);
    pointer-events: none;
}

.cta-inner {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}

.cta-inner .eyebrow {
    color: #E8C9A8;
    font-size: 14px;
    letter-spacing: .1em;
    margin-bottom: 16px;
    display: inline-block;
}

.cta-inner h2 {
    font-family: var(--font-serif);
    font-size: 32px;
    line-height: 1.35;
    margin-bottom: 16px;
}

.cta-inner p {
    font-size: 15px;
    color: rgba(253, 251, 247, .8);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.cta-inner .btn-primary {
    background: var(--accent);
    min-width: 180px;
}

.cta-inner .btn-primary:hover {
    background: var(--accent-hover);
}

.cta-inner .btn-outline {
    border-color: rgba(253, 251, 247, .5);
    min-width: 180px;
}

.cta-note {
    margin-top: 20px;
    font-size: 13px;
    color: rgba(253, 251, 247, .55);
}

/* ---------- Link Section ---------- */
.link-section {
    padding: 72px 0;
}

.link-section .section-head {
    margin-bottom: 40px;
}

.resource-list {
    max-width: 860px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.resource-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    transition: background .2s;
}

.resource-list a:last-child {
    border-bottom: none;
}

.resource-list a:hover {
    background: var(--bg-alt);
}

.resource-list .res-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.resource-list .res-title .res-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border-radius: 8px;
    background: rgba(30, 77, 60, .1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.resource-list .res-desc {
    font-size: 13px;
    color: var(--muted);
}

.resource-list .res-arrow {
    color: var(--muted);
    font-size: 18px;
    transition: transform .2s, color .2s;
}

.resource-list a:hover .res-arrow {
    color: var(--accent);
    transform: translateX(4px);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--primary-dark);
    color: rgba(253, 251, 247, .85);
}

.footer-top-line {
    height: 4px;
    background: var(--accent);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 48px;
}

.footer-brand .logo-footer {
    margin-bottom: 16px;
}

.footer-brand .logo-footer strong {
    color: var(--light);
}

.footer-brand .logo-footer span {
    color: rgba(253, 251, 247, .6);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(253, 251, 247, .65);
    max-width: 340px;
}

.footer-col h3 {
    font-size: 16px;
    color: var(--light);
    margin-bottom: 18px;
    font-family: var(--font-serif);
    font-weight: 600;
}

.footer-col a {
    display: block;
    color: rgba(253, 251, 247, .7);
    font-size: 14px;
    margin-bottom: 12px;
    transition: color .2s;
}

.footer-col a:hover {
    color: #fff;
}

.footer-col p {
    font-size: 14px;
    color: rgba(253, 251, 247, .65);
    margin-bottom: 10px;
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid rgba(253, 251, 247, .12);
    padding: 20px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(253, 251, 247, .5);
}

.footer-bottom p:last-child {
    font-size: 13px;
    letter-spacing: .04em;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .steps-grid {
        gap: 16px;
    }
    .feature-row {
        gap: 32px;
    }
    .feature-media img {
        min-height: 240px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .nav-chips,
    .desktop-cta {
        display: none;
    }
    .burger {
        display: flex;
    }
    .page-hero {
        padding: 56px 0 48px;
    }
    .page-hero h1 {
        font-size: 30px;
    }
    .page-hero p.hero-lead {
        font-size: 15px;
    }
    .section {
        padding: 64px 0;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .feature-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .feature-row + .feature-row {
        margin-top: 56px;
    }
    .feature-media img {
        min-height: 200px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .stat-item {
        padding: 28px 16px;
    }
    .stat-number {
        font-size: 32px;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-top: 48px;
        padding-bottom: 32px;
    }
    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }
    .hero-actions .btn,
    .cta-actions .btn {
        width: 100%;
    }
    .resource-list a {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px 16px;
    }
    .resource-list .res-arrow {
        align-self: flex-end;
    }
}

@media (max-width: 520px) {
    .page-hero {
        padding: 48px 0 40px;
    }
    .page-hero h1 {
        font-size: 26px;
    }
    .page-hero h1 .heading-sub {
        font-size: .46em;
    }
    .section {
        padding: 48px 0;
    }
    .section-head {
        margin-bottom: 36px;
    }
    .section-head h2 {
        font-size: 23px;
    }
    .steps-grid {
        gap: 14px;
    }
    .step-item {
        padding: 26px 20px;
    }
    .feature-row {
        gap: 18px;
    }
    .feature-media img {
        min-height: 180px;
    }
    .feature-content h2 {
        font-size: 22px;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .faq-question {
        padding: 16px 18px;
        font-size: 15px;
    }
    .faq-answer-inner {
        padding-left: 18px;
        padding-right: 18px;
    }
    .cta-section {
        padding: 56px 0;
    }
    .cta-inner h2 {
        font-size: 25px;
    }
    .cta-actions {
        flex-direction: column;
    }
    .footer-inner {
        gap: 28px;
    }
}

/* roulang page: category2 */
:root {
  --primary: #1E4D3C;
  --primary-dark: #0F2A22;
  --accent: #C0502E;
  --accent-dark: #A34527;
  --bg: #FAF7F2;
  --bg-soft: #F1EBE3;
  --card-bg: #FFFFFF;
  --border: #E5DCD0;
  --text: #26281F;
  --text-secondary: #6E6B5E;
  --text-light: #FDFBF7;
  --success: #2E7D5B;
  --disabled: #BDB7AC;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(31, 61, 45, 0.06);
  --shadow-hover: 0 8px 24px rgba(31, 61, 45, 0.12);
  --container: 1200px;
  --header-h: 72px;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", STSong, SimSun, serif;
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input {
  font-family: inherit;
  font-size: 14px;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  line-height: 1.3;
  color: var(--text);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
  flex-shrink: 0;
  padding: 4px 0;
}
.logo strong {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 4px;
}
.logo span {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.nav-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-chips::-webkit-scrollbar {
  display: none;
}
.nav-chip {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 20px;
  white-space: nowrap;
  transition: background 0.3s, color 0.3s;
  display: inline-flex;
  align-items: center;
}
.nav-chip:hover {
  background: rgba(30, 77, 60, 0.08);
}
.nav-chip.active {
  background: var(--primary);
  color: #fff;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  transition: background 0.3s, transform 0.2s;
  white-space: nowrap;
}
.header-cta:hover {
  background: var(--accent-dark);
}
.header-cta:active {
  transform: scale(0.97);
}
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
}
.burger span {
  display: block;
  height: 2px;
  width: 24px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-hover);
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu .nav-chip {
  width: 100%;
  justify-content: flex-start;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
}
.mobile-menu .header-cta {
  margin-top: 12px;
  width: 100%;
}
.desktop-cta {
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(253, 251, 247, 0.82);
  margin-top: 0;
}
.footer-top-line {
  height: 4px;
  background: var(--accent);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 48px;
}
.logo-footer {
  align-items: flex-start;
  margin-bottom: 16px;
}
.logo-footer strong {
  color: #fff;
  font-size: 28px;
}
.logo-footer span {
  color: rgba(253, 251, 247, 0.6);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(253, 251, 247, 0.68);
  margin-top: 12px;
  max-width: 320px;
}
.footer-col h3 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.footer-col a,
.footer-col p {
  display: block;
  font-size: 14px;
  color: rgba(253, 251, 247, 0.72);
  margin-bottom: 10px;
  transition: color 0.3s;
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(253, 251, 247, 0.12);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(253, 251, 247, 0.5);
}

/* ===== 分类页2 专属样式 ===== */
.page-hero {
  position: relative;
  padding: 88px 0 72px;
  background: linear-gradient(135deg, rgba(15, 42, 34, 0.92), rgba(30, 77, 60, 0.78)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: var(--text-light);
  text-align: center;
}
.page-hero .hero-badge {
  display: inline-block;
  background: rgba(192, 80, 46, 0.25);
  border: 1px solid rgba(192, 80, 46, 0.6);
  color: #fff;
  font-size: 13px;
  letter-spacing: 3px;
  padding: 6px 20px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.page-hero h1 {
  color: #fff;
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.page-hero .hero-sub {
  font-size: 17px;
  color: rgba(253, 251, 247, 0.85);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}
.page-hero .hero-meta {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.page-hero .hero-meta span {
  font-size: 14px;
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 20px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Breadcrumb */
.breadcrumb-bar {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  margin: 0 4px;
  color: var(--disabled);
}
.breadcrumb .current {
  color: var(--primary);
  font-weight: 600;
}

/* Section base */
.section {
  padding: 96px 0;
}
.section-alt {
  background: var(--bg-soft);
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head .pre-title {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.section-head .section-desc {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

/* Steps */
.steps-section {
  padding: 96px 0;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-item {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 24px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  counter-increment: step;
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.step-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 2px var(--accent);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}
.step-item h3 {
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--text);
}
.step-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.step-arrow {
  position: absolute;
  top: 40px;
  right: -18px;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 2;
  box-shadow: var(--shadow);
}
.step-item:last-child .step-arrow {
  display: none;
}

/* Horizontal scroll events */
.events-scroll-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 12px;
}
.events-scroll-wrap::-webkit-scrollbar {
  display: none;
}
.events-scroll {
  display: flex;
  gap: 24px;
  min-width: max-content;
  padding: 4px;
}
.event-card {
  width: 340px;
  flex-shrink: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  scroll-snap-align: start;
}
.event-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.event-card .card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.event-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.event-card:hover .card-img img {
  transform: scale(1.05);
}
.event-card .card-img::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60%;
  background: linear-gradient(transparent, rgba(15, 42, 34, 0.6));
}
.event-card .card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.event-card .card-body {
  padding: 24px;
}
.event-card .card-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.event-card .card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.event-card .card-foot {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.event-card .card-date {
  font-size: 13px;
  color: var(--text-secondary);
}
.event-card .card-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.3s;
}
.event-card .card-link:hover {
  color: var(--accent-dark);
}

/* 图文区块 */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}
.feature-row:last-child {
  margin-bottom: 0;
}
.feature-row.reverse .feature-img {
  order: 2;
}
.feature-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.feature-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.5s;
}
.feature-row:hover .feature-img img {
  transform: scale(1.02);
}
.feature-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  pointer-events: none;
}
.feature-content .pre-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 14px;
}
.feature-content h3 {
  font-size: 28px;
  margin-bottom: 16px;
}
.feature-content p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.75;
}
.feature-list {
  list-style: none;
  margin-top: 16px;
}
.feature-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text);
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* 报名须知 */
.notice-section {
  background: var(--bg-soft);
}
.notice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.notice-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.3s;
}
.notice-card:hover {
  box-shadow: var(--shadow-hover);
}
.notice-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(30, 77, 60, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
}
.notice-card h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.notice-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* FAQ */
.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.open {
  border-color: var(--primary);
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
  padding: 22px 28px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: background 0.3s;
}
.faq-q:hover {
  background: rgba(30, 77, 60, 0.04);
}
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--accent);
  transition: transform 0.3s;
  position: relative;
}
.faq-icon::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 1.5px;
  background: var(--accent);
  transform: rotate(90deg);
  transition: transform 0.3s;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-item.open .faq-icon::after {
  transform: rotate(0deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-a-inner {
  padding: 0 28px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-item.open .faq-a {
  max-height: 500px;
}

/* CTA */
.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(15, 42, 34, 0.94), rgba(30, 77, 60, 0.85)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding: 88px 0;
  text-align: center;
  color: var(--text-light);
}
.cta-section h2 {
  color: #fff;
  font-size: 36px;
  margin-bottom: 16px;
}
.cta-section p {
  color: rgba(253, 251, 247, 0.8);
  font-size: 16px;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.btn-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 16px 48px;
  border-radius: var(--radius-sm);
  transition: background 0.3s, transform 0.2s;
}
.btn-primary:hover {
  background: var(--accent-dark);
}
.btn-primary:active {
  transform: scale(0.97);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  padding: 16px 40px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: background 0.3s, border-color 0.3s;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}
.cta-note {
  margin-top: 24px;
  font-size: 13px !important;
  color: rgba(253, 251, 247, 0.55) !important;
}

/* Responsive */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .step-arrow {
    display: none;
  }
  .feature-row {
    gap: 32px;
  }
  .feature-img img {
    height: 260px;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .section {
    padding: 64px 0;
  }
  .steps-section,
  .notice-section {
    padding: 64px 0;
  }
  .nav-chips {
    display: none;
  }
  .desktop-cta {
    display: none;
  }
  .burger {
    display: flex;
  }
  .page-hero {
    padding: 68px 0 56px;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .page-hero .hero-sub {
    font-size: 15px;
  }
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 56px;
  }
  .feature-row.reverse .feature-img {
    order: 0;
  }
  .feature-img img {
    height: 220px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 48px;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
    gap: 6px;
  }
  .notice-grid {
    grid-template-columns: 1fr;
  }
  .cta-section {
    padding: 64px 0;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .btn-primary,
  .btn-ghost {
    width: 100%;
    justify-content: center;
  }
  .btn-group {
    flex-direction: column;
    gap: 16px;
    padding: 0 16px;
  }
}
@media (max-width: 520px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step-item {
    padding: 24px;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .section-head .pre-title {
    font-size: 12px;
  }
  .page-hero h1 {
    font-size: 27px;
  }
  .page-hero .hero-meta {
    gap: 12px;
  }
  .page-hero .hero-meta span {
    font-size: 13px;
    padding: 6px 14px;
  }
  .event-card {
    width: 280px;
  }
  .faq-q {
    padding: 18px 20px;
    font-size: 15px;
  }
  .faq-a-inner {
    padding: 0 20px 20px;
  }
  .notice-card {
    padding: 20px;
  }
  .footer-inner {
    padding-top: 40px;
  }
}

/* roulang page: category3 */
:root {
  --color-primary: #1E4D3C;
  --color-primary-dark: #16392D;
  --color-primary-light: #E8F0EC;
  --color-accent: #C0502E;
  --color-accent-dark: #A34527;
  --color-dark: #0F2A22;
  --color-bg: #FAF7F2;
  --color-bg-alt: #F1EBE3;
  --color-white: #FFFFFF;
  --color-border: #E5DCD0;
  --color-text: #26281F;
  --color-text-muted: #6E6B5E;
  --color-text-inverse: #FDFBF7;
  --color-disabled: #BDB7AC;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-chip: 20px;
  --radius-img: 12px;
  --shadow-card: 0 2px 8px rgba(31, 61, 45, .06);
  --shadow-card-hover: 0 8px 24px rgba(31, 61, 45, .12);
  --transition: .3s ease;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font-family: inherit;
  font-size: inherit;
}

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

/* ================= Header ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  flex-shrink: 0;
}

.logo strong {
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", serif;
  font-size: 26px;
  color: var(--color-primary);
  letter-spacing: 2px;
}

.logo span {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  white-space: nowrap;
}

.nav-chips {
  display: flex;
  gap: 8px;
  margin-left: 24px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-chips::-webkit-scrollbar {
  display: none;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-chip);
  font-size: 14px;
  color: var(--color-primary);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.nav-chip:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.nav-chip.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 28px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.header-cta:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 4px 14px rgba(192, 80, 46, .25);
}

.header-cta:active {
  transform: scale(.97);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 9px 10px;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.open span:nth-child(2) {
  opacity: 0;
}

.burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 16px 24px 24px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

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

.mobile-menu .nav-chip {
  width: 100%;
  padding: 12px 18px;
}

.mobile-menu .header-cta {
  margin-top: 6px;
  width: 100%;
}

.desktop-cta {
  margin-left: auto;
}

/* ================= Breadcrumb ================= */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

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

.breadcrumb .current {
  color: var(--color-primary);
  font-weight: 600;
}

.breadcrumb-sep {
  color: var(--color-border);
}

/* ================= Category Hero ================= */
.category-hero {
  position: relative;
  padding: 96px 0 88px;
  background:
    linear-gradient(120deg, rgba(15, 42, 34, .88) 15%, rgba(15, 42, 34, .55) 55%, rgba(15, 42, 34, .35)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: var(--color-text-inverse);
}

.category-hero .breadcrumb {
  color: rgba(253, 251, 247, .7);
}

.category-hero .breadcrumb a:hover {
  color: var(--color-text-inverse);
}

.category-hero .breadcrumb .current {
  color: var(--color-text-inverse);
}

.hero-content {
  max-width: 780px;
}

.hero-content h1 {
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", serif;
  font-size: 44px;
  line-height: 1.25;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}

.hero-content p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(253, 251, 247, .88);
  margin-bottom: 32px;
  max-width: 640px;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 32px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.hero-btn:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 8px 28px rgba(192, 80, 46, .4);
  transform: translateY(-1px);
}

.hero-btn:active {
  transform: scale(.97);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
  font-size: 13px;
  color: rgba(253, 251, 247, .65);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ================= Section Head ================= */
.section-head {
  margin-bottom: 44px;
}

.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 3px;
  margin-bottom: 10px;
  padding-left: 18px;
  position: relative;
}

.section-head .section-tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 2px;
  background: var(--color-accent);
}

.section-head h2 {
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", serif;
  font-size: 30px;
  line-height: 1.35;
  color: var(--color-text);
  font-weight: 700;
}

.section-head-desc {
  margin-top: 10px;
  color: var(--color-text-muted);
  font-size: 15px;
  max-width: 680px;
}

/* ================= Stats ================= */
.stats-section {
  padding: 72px 0 56px;
  background: var(--color-bg);
}

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

.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 34px 28px;
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--color-accent);
  transition: box-shadow var(--transition), transform var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.stat-card .stat-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", serif;
}

.stat-card .stat-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ================= Info Modules ================= */
.info-modules {
  padding: 72px 0 56px;
  background: var(--color-bg-alt);
}

.info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}

.info-row:last-child {
  margin-bottom: 0;
}

.info-row.reverse .info-img {
  order: 2;
}

.info-row.reverse .info-text {
  order: 1;
}

.info-img-wrap {
  position: relative;
  border-radius: var(--radius-img);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.info-img-wrap img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform .5s ease;
  background: var(--color-bg-alt);
}

.info-img-wrap:hover img {
  transform: scale(1.03);
}

.info-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(15, 42, 34, .28));
  pointer-events: none;
}

.info-text .info-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.info-text h3 {
  font-size: 24px;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 14px;
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", serif;
}

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

.info-text .info-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.info-text .info-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ================= Resources ================= */
.resource-section {
  padding: 72px 0 56px;
  background: var(--color-bg);
}

.resource-list {
  display: flex;
  flex-direction: column;
}

.resource-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 30px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}

.resource-item:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  background: var(--color-white);
}

.resource-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
  font-family: "Songti SC", "SimSun", serif;
}

.resource-icon.r-icon-2 {
  background: rgba(192, 80, 46, .12);
  color: var(--color-accent);
}

.resource-info {
  flex: 1;
  min-width: 0;
}

.resource-info h3 {
  font-size: 18px;
  color: var(--color-text);
  margin-bottom: 4px;
  font-weight: 600;
}

.resource-info p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.resource-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.resource-badge {
  font-size: 12px;
  padding: 4px 14px;
  border-radius: var(--radius-chip);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-weight: 600;
  white-space: nowrap;
}

.resource-arrow {
  font-size: 20px;
  color: var(--color-border);
  transition: color var(--transition), transform var(--transition);
}

.resource-item:hover .resource-arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* ================= Update Rhythm ================= */
.update-section {
  padding: 72px 0 56px;
  background: var(--color-bg-alt);
}

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

.update-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 36px 28px 28px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.update-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.update-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
}

.update-card .update-day {
  font-family: "Songti SC", "SimSun", serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.update-card h3 {
  font-size: 18px;
  color: var(--color-text);
  margin-bottom: 10px;
  font-weight: 600;
}

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

/* ================= FAQ ================= */
.faq-section {
  padding: 72px 0 56px;
  background: var(--color-bg);
}

.faq-list {
  max-width: 860px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 22px 26px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  border-radius: 2px;
  transition: transform var(--transition);
}

.faq-icon::before {
  top: 8px;
  left: 0;
  width: 18px;
  height: 2px;
}

.faq-icon::after {
  top: 0;
  left: 8px;
  width: 2px;
  height: 18px;
}

.faq-item.open .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.faq-answer-inner {
  padding: 0 26px 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  margin-top: 0;
}

.faq-item.open .faq-answer {
  max-height: 600px;
}

/* ================= CTA ================= */
.cta-section {
  padding: 72px 0;
  background:
    linear-gradient(120deg, rgba(15, 42, 34, .92), rgba(30, 77, 60, .85)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color: var(--color-text-inverse);
  text-align: center;
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", serif;
  font-size: 36px;
  line-height: 1.3;
  margin-bottom: 16px;
  font-weight: 700;
}

.cta-inner p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(253, 251, 247, .82);
  margin-bottom: 32px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 44px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-btn);
  font-size: 17px;
  font-weight: 600;
  box-shadow: 0 6px 24px rgba(192, 80, 46, .35);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.cta-btn:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 8px 32px rgba(192, 80, 46, .45);
  transform: translateY(-2px);
}

.cta-btn:active {
  transform: scale(.97);
}

.cta-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(253, 251, 247, .6);
}

/* ================= Footer ================= */
.site-footer {
  background: var(--color-dark);
  color: rgba(253, 251, 247, .8);
}

.footer-top-line {
  height: 4px;
  background: var(--color-accent);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-top: 56px;
  padding-bottom: 48px;
}

.logo-footer strong {
  color: var(--color-text-inverse);
}

.logo-footer span {
  color: rgba(253, 251, 247, .6);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 14px;
  color: rgba(253, 251, 247, .62);
  max-width: 360px;
}

.footer-col h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-inverse);
  margin-bottom: 16px;
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", serif;
}

.footer-col a {
  display: block;
  font-size: 14px;
  line-height: 2.2;
  color: rgba(253, 251, 247, .65);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-text-inverse);
}

.footer-contact p {
  font-size: 14px;
  line-height: 2;
  color: rgba(253, 251, 247, .65);
}

.footer-bottom {
  border-top: 1px solid rgba(253, 251, 247, .1);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(253, 251, 247, .45);
}

/* ================= Responsive ================= */
@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 36px;
  }

  .stats-grid {
    gap: 16px;
  }

  .info-row {
    gap: 28px;
  }

  .info-img-wrap img {
    height: 240px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .nav-chips {
    display: none;
  }

  .desktop-cta {
    display: none;
  }

  .burger {
    display: flex;
    margin-left: auto;
  }

  .mobile-menu {
    display: none;
  }

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

  .category-hero {
    padding: 64px 0 56px;
  }

  .hero-content h1 {
    font-size: 30px;
  }

  .hero-content p {
    font-size: 15px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .stat-card {
    padding: 24px 22px;
  }

  .info-row,
  .info-row.reverse {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .info-row.reverse .info-img {
    order: 1;
  }

  .info-row.reverse .info-text {
    order: 2;
  }

  .info-img-wrap img {
    height: 200px;
  }

  .resource-item {
    flex-wrap: wrap;
    gap: 14px;
    padding: 22px 18px;
  }

  .resource-info {
    flex-basis: calc(100% - 70px);
  }

  .resource-meta {
    flex-direction: row;
    align-items: center;
    width: 100%;
    justify-content: space-between;
  }

  .update-grid {
    grid-template-columns: 1fr;
  }

  .faq-question {
    padding: 18px 18px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 18px 20px;
  }

  .cta-inner h2 {
    font-size: 28px;
  }

  .cta-btn {
    width: 100%;
    padding: 14px 32px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
    padding-bottom: 32px;
  }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }

  .section-head h2 {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .hero-content h1 {
    font-size: 26px;
  }

  .hero-meta {
    gap: 10px;
  }

  .hero-btn {
    width: 100%;
    justify-content: center;
  }

  .stat-card .stat-title {
    font-size: 20px;
  }

  .section-head {
    margin-bottom: 30px;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .resource-icon {
    width: 44px;
    height: 44px;
    font-size: 17px;
  }

  .resource-info h3 {
    font-size: 16px;
  }

  .cta-inner h2 {
    font-size: 24px;
  }

  .update-card {
    padding: 28px 20px 22px;
  }
}