/* roulang page: index */
:root{
  --primary:#1E2A28;
  --primary-dark:#15211F;
  --secondary:#B58B5C;
  --secondary-soft:rgba(181,139,92,.12);
  --base:#F7F5F2;
  --white:#FFFFFF;
  --text:#2B2B2B;
  --muted:#6B6B6B;
  --border:#E5E1DA;
  --success:#4A7C59;
  --radius:12px;
  --radius-btn:4px;
  --shadow:0 4px 20px rgba(30,42,40,.06);
  --shadow-hover:0 8px 30px rgba(30,42,40,.10);
  --transition:all .25s cubic-bezier(.25,.1,.25,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Playfair Display",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
input{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section-pad{padding:clamp(80px,12vh,140px) 0;}
.text-center{text-align:center;}

/* Header & Nav */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.site-header.is-scrolled{
  box-shadow:0 2px 12px rgba(30,42,40,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:0;
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--primary);
  white-space:nowrap;
}
.brand-logo .brand-accent{
  color:var(--secondary);
  font-weight:700;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:48px;
}
.main-nav a{
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--text);
  position:relative;
  padding:6px 0;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--secondary);
  transition:var(--transition);
}
.main-nav a:hover::after,
.main-nav a.active::after{
  width:100%;
}
.main-nav a:hover{
  color:var(--primary);
}
.main-nav a.active{
  color:var(--primary);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:16px;
  margin-left:auto;
}
.btn-contact{
  font-size:14px;
  font-weight:500;
  color:var(--secondary);
  border:1px solid var(--secondary);
  border-radius:var(--radius-btn);
  padding:8px 22px;
  transition:var(--transition);
  background:transparent;
}
.btn-contact:hover{
  background:rgba(181,139,92,.10);
  transform:translateY(1px);
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:var(--primary);
  border:1px solid var(--border);
  border-radius:6px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.08em;
  border-radius:var(--radius-btn);
  padding:14px 30px;
  transition:var(--transition);
  text-align:center;
  border:1px solid transparent;
  line-height:1.4;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-secondary{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-secondary:hover{
  border-color:var(--secondary);
  color:var(--secondary);
  background:rgba(181,139,92,.05);
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--primary);
}
.btn-light:hover{
  background:var(--secondary-soft);
  transform:translateY(-2px);
}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-outline-light:hover{
  border-color:#fff;
  background:rgba(255,255,255,.08);
}
.text-link{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--secondary);
  display:inline-block;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:1px;
  background:var(--secondary);
  transition:var(--transition);
}
.text-link:hover::after{
  width:100%;
}

/* Hero */
.hero{
  padding:clamp(120px,16vh,180px) 0 clamp(60px,8vh,90px);
  background:var(--base);
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-80px;right:-60px;
  width:380px;height:380px;
  background:rgba(181,139,92,.08);
  border-radius:50%;
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;
  bottom:10px;right:10%;
  width:2px;height:80px;
  background:var(--secondary);
  opacity:.3;
}
.hero .hero-inner{
  position:relative;
  z-index:1;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.05em;
  color:var(--secondary);
  background:var(--secondary-soft);
  border-radius:999px;
  padding:6px 16px;
  margin-bottom:24px;
}
.hero-badge i{
  font-size:11px;
}
.hero h1{
  font-family:var(--font-serif);
  font-size:clamp(34px,5vw,52px);
  line-height:1.2;
  font-weight:600;
  color:var(--primary);
  margin-bottom:22px;
  letter-spacing:.01em;
}
.hero h1 .underline-accent{
  position:relative;
  white-space:nowrap;
}
.hero h1 .underline-accent::after{
  content:"";
  position:absolute;
  left:0;bottom:4px;
  width:100%;height:8px;
  background:rgba(181,139,92,.22);
  z-index:-1;
  border-radius:2px;
}
.hero-sub{
  font-size:17px;
  line-height:1.75;
  color:var(--muted);
  max-width:520px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.hero-note{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.hero-note i{
  color:var(--success);
  font-size:14px;
}
.hero-media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.hero-media:hover{
  box-shadow:var(--shadow-hover);
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.hero-media:hover img{
  transform:scale(1.02);
}
.hero-float-card{
  position:absolute;
  bottom:20px;left:-20px;
  background:#fff;
  border-radius:10px;
  box-shadow:var(--shadow-hover);
  padding:16px 20px;
  display:flex;
  align-items:center;
  gap:12px;
  border-left:3px solid var(--secondary);
}
.hero-float-card .float-num{
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:var(--secondary);
  line-height:1;
}
.hero-float-card .float-label{
  font-size:12px;
  color:var(--muted);
  line-height:1.4;
}

/* Section head */
.section-head{
  margin-bottom:clamp(48px,6vh,64px);
}
.section-head .section-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--secondary);
  margin-bottom:12px;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:clamp(26px,3.5vw,38px);
  line-height:1.3;
  font-weight:600;
  color:var(--primary);
  margin-bottom:14px;
}
.section-head p{
  font-size:16px;
  line-height:1.7;
  color:var(--muted);
  max-width:680px;
}
.section-head p.has-max{max-width:680px;}
.section-head .head-line{
  width:48px;height:3px;
  background:var(--secondary);
  border-radius:99px;
  margin-top:18px;
}

/* Narrative */
.narrative{
  background:#fff;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.narrative-copy{
  max-width:780px;
}
.narrative-copy h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,3vw,32px);
  line-height:1.4;
  font-weight:600;
  color:var(--primary);
  margin-bottom:20px;
}
.narrative-copy p{
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  margin-bottom:14px;
}
.narrative-list{
  margin-top:48px;
  border-top:1px solid var(--border);
}
.narrative-item{
  display:flex;
  gap:24px;
  padding:32px 8px;
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.narrative-item:hover{
  background:rgba(181,139,92,.03);
}
.narrative-item .item-num{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  color:var(--secondary);
  line-height:1;
  flex-shrink:0;
  min-width:56px;
}
.narrative-item .item-body h3{
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:8px;
}
.narrative-item .item-body p{
  font-size:15px;
  line-height:1.7;
  color:var(--muted);
}

/* Featured content */
.featured{
  background:var(--base);
}
.feature-grid{
  display:flex;
  gap:24px;
}
.feature-card{
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--transition);
  border:1px solid transparent;
  display:flex;
  flex-direction:column;
}
.feature-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:var(--secondary);
}
.feature-card .card-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--border);
}
.feature-card .card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-card:hover .card-media img{
  transform:scale(1.03);
}
.feature-card .card-content{
  padding:28px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.card-badge{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--secondary);
  background:var(--secondary-soft);
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:14px;
  align-self:flex-start;
}
.feature-card h3{
  font-family:var(--font-serif);
  font-size:20px;
  line-height:1.4;
  font-weight:600;
  color:var(--primary);
  margin-bottom:10px;
}
.feature-card .card-excerpt{
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:var(--muted);
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--border);
}
.card-meta i{
  font-size:12px;
  margin-right:4px;
  color:var(--secondary);
}
.feature-card-large{
  flex:0 0 58.333%;
}
.feature-card-small{
  flex:1;
}
.feature-side{
  display:flex;
  flex-direction:column;
  gap:24px;
  flex:1;
}

/* News list */
.news-section{
  background:#fff;
  border-top:1px solid var(--border);
}
.news-list{
  border-top:1px solid var(--border);
}
.news-row{
  display:flex;
  align-items:center;
  gap:24px;
  padding:20px 8px;
  border-bottom:1px solid var(--border);
  transition:var(--transition);
  flex-wrap:wrap;
}
.news-row:hover{
  background:rgba(181,139,92,.03);
  padding-left:16px;
  padding-right:0;
}
.news-date{
  font-family:var(--font-num);
  font-size:14px;
  color:var(--muted);
  min-width:110px;
  flex-shrink:0;
}
.news-cat{
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--secondary);
  background:var(--secondary-soft);
  padding:3px 12px;
  border-radius:999px;
  min-width:70px;
  text-align:center;
  flex-shrink:0;
}
.news-row a.news-title{
  font-size:16px;
  font-weight:500;
  color:var(--text);
  flex:1;
  line-height:1.5;
}
.news-row a.news-title:hover{
  color:var(--secondary);
}
.news-arrow{
  font-size:14px;
  color:var(--muted);
  transition:var(--transition);
  flex-shrink:0;
}
.news-row:hover .news-arrow{
  transform:translateX(4px);
  color:var(--secondary);
}
.empty-tip{
  padding:48px 16px;
  text-align:center;
  color:var(--muted);
  font-size:15px;
  border-bottom:1px solid var(--border);
}
.news-section .view-all{
  margin-top:28px;
  text-align:right;
}

/* Trust data */
.trust{
  background:var(--primary);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.trust::before{
  content:"";
  position:absolute;
  top:-120px;left:-100px;
  width:300px;height:300px;
  background:rgba(181,139,92,.08);
  border-radius:50%;
}
.trust::after{
  content:"";
  position:absolute;
  bottom:-80px;right:-60px;
  width:240px;height:240px;
  background:rgba(181,139,92,.05);
  border-radius:50%;
}
.trust-inner{
  position:relative;
  z-index:1;
}
.trust-quote{
  font-family:var(--font-serif);
  font-size:clamp(22px,3vw,32px);
  line-height:1.5;
  font-style:italic;
  color:rgba(255,255,255,.9);
  max-width:700px;
  margin:0 auto 56px;
  text-align:center;
}
.trust-quote::before{
  content:"“";
  font-size:56px;
  color:var(--secondary);
  display:block;
  margin-bottom:-16px;
}
.trust-stats{
  display:flex;
  justify-content:space-around;
  gap:32px;
  flex-wrap:wrap;
  text-align:center;
}
.stat-item{
  padding:8px 16px;
}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(36px,5vw,52px);
  font-weight:700;
  color:var(--secondary);
  line-height:1.1;
}
.stat-label{
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-top:8px;
  letter-spacing:.04em;
}

/* Category section */
.cat-section{
  background:var(--base);
}
.cat-grid{
  display:flex;
  gap:24px;
  align-items:stretch;
}
.cat-media{
  flex:0 0 46%;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  position:relative;
  min-height:340px;
}
.cat-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  top:0;left:0;
}
.cat-content{
  flex:1;
  background:#fff;
  border-radius:var(--radius);
  padding:clamp(28px,4vw,48px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  box-shadow:var(--shadow);
}
.cat-content .section-tag{
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--secondary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.cat-content h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,3vw,32px);
  font-weight:600;
  color:var(--primary);
  margin-bottom:16px;
  line-height:1.3;
}
.cat-content p{
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
  margin-bottom:24px;
}
.cat-features{
  list-style:none;
  margin-bottom:28px;
}
.cat-features li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  line-height:1.6;
  color:var(--text);
  margin-bottom:10px;
}
.cat-features li i{
  color:var(--secondary);
  font-size:14px;
  margin-top:4px;
  flex-shrink:0;
}

/* FAQ */
.faq-section{
  background:#fff;
  border-top:1px solid var(--border);
}
.faq-list{
  max-width:780px;
  margin:0 auto;
  border-top:1px solid var(--border);
}
.faq-item{
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:22px 8px;
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:500;
  color:var(--primary);
  text-align:left;
  gap:16px;
  transition:var(--transition);
}
.faq-question:hover{
  color:var(--secondary);
}
.faq-question .faq-icon{
  font-size:16px;
  color:var(--secondary);
  flex-shrink:0;
  transition:var(--transition);
}
.faq-item.is-active .faq-icon{
  transform:rotate(45deg);
}
.faq-answer{
  display:none;
  padding:0 8px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  border-left:2px solid var(--secondary);
  margin-left:8px;
  padding-left:20px;
}
.faq-item.is-active .faq-answer{
  display:block;
}

/* CTA subscribe */
.cta-section{
  background:var(--base);
  border-top:1px solid var(--border);
}
.cta-inner{
  max-width:720px;
  margin:0 auto;
  text-align:center;
}
.cta-inner h2{
  font-family:var(--font-serif);
  font-size:clamp(26px,3.5vw,38px);
  font-weight:600;
  color:var(--primary);
  margin-bottom:14px;
}
.cta-inner p{
  font-size:16px;
  line-height:1.75;
  color:var(--muted);
  margin-bottom:36px;
}
.subscribe-form{
  display:flex;
  gap:0;
  max-width:520px;
  margin:0 auto 16px;
  border-bottom:2px solid var(--border);
  transition:var(--transition);
  align-items:center;
}
.subscribe-form:focus-within{
  border-bottom-color:var(--secondary);
}
.subscribe-form input{
  flex:1;
  border:none;
  background:transparent;
  padding:14px 4px;
  font-size:16px;
  color:var(--text);
  outline:none;
}
.subscribe-form input::placeholder{
  color:#999;
}
.subscribe-form button{
  background:transparent;
  color:var(--secondary);
  font-size:15px;
  font-weight:600;
  padding:14px 8px;
  white-space:nowrap;
  transition:var(--transition);
  letter-spacing:.06em;
}
.subscribe-form button:hover{
  transform:translateX(2px);
}
.subscribe-note{
  font-size:13px;
  color:var(--muted);
}
.subscribe-note i{
  color:var(--success);
  font-size:12px;
  margin-right:4px;
}

/* Footer */
.site-footer{
  background:#141B1A;
  color:rgba(255,255,255,.75);
  padding:72px 0 24px;
  font-size:14px;
  line-height:1.7;
}
.footer-grid{
  display:flex;
  gap:48px;
  margin-bottom:48px;
  flex-wrap:wrap;
}
.footer-brand{
  flex:1 1 300px;
}
.footer-brand .brand-logo{
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-logo .brand-accent{
  color:var(--secondary);
}
.footer-brand p{
  font-size:14px;
  color:rgba(255,255,255,.6);
  max-width:300px;
  line-height:1.7;
}
.footer-col{
  flex:1 1 160px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.03em;
}
.footer-col ul{
  list-style:none;
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:var(--transition);
}
.footer-col ul a:hover{
  color:var(--secondary);
}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.6);
}
.footer-contact i{
  color:var(--secondary);
  font-size:13px;
  width:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:12px;
  color:rgba(255,255,255,.4);
}
.footer-bottom a{
  color:rgba(255,255,255,.4);
}
.footer-bottom a:hover{
  color:var(--secondary);
}

/* Accessibility & misc */
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--secondary);
  outline-offset:2px;
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* Responsive */
@media screen and (max-width:1023px){
  .main-nav{
    gap:20px;
    margin-left:28px;
  }
  .feature-grid{
    flex-direction:column;
  }
  .feature-card-large{
    flex:none;
  }
  .feature-side{
    flex-direction:row;
  }
  .feature-card-small{
    flex:1;
  }
  .cat-grid{
    flex-direction:column;
  }
  .cat-media{
    flex:none;
    min-height:260px;
  }
}
@media screen and (max-width:639px){
  .container{
    padding:0 16px;
  }
  .nav-toggle{
    display:flex;
  }
  .main-nav{
    display:none;
    position:absolute;
    top:72px;
    left:0;right:0;
    background:#fff;
    border-bottom:1px solid var(--border);
    flex-direction:column;
    padding:24px 16px;
    gap:4px;
    box-shadow:var(--shadow);
    margin-left:0;
  }
  .main-nav.is-open{
    display:flex;
  }
  .main-nav a{
    padding:14px 4px;
    font-size:16px;
    border-bottom:1px solid var(--border);
    width:100%;
  }
  .main-nav a::after{
    display:none;
  }
  .main-nav a.active{
    color:var(--secondary);
  }
  .header-actions .btn-contact{
    display:none;
  }
  .hero{
    padding-top:110px;
  }
  .hero h1{
    font-size:32px;
    line-height:1.25;
  }
  .hero-sub{
    font-size:15px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-float-card{
    left:8px;
    bottom:8px;
    padding:12px 16px;
  }
  .narrative-item{
    flex-direction:column;
    gap:12px;
  }
  .narrative-item .item-num{
    font-size:26px;
  }
  .feature-side{
    flex-direction:column;
  }
  .news-row{
    gap:10px;
    padding:16px 4px;
  }
  .news-date{
    min-width:80px;
    font-size:13px;
  }
  .news-cat{
    min-width:60px;
    font-size:11px;
  }
  .news-row a.news-title{
    font-size:15px;
    flex-basis:calc(100% - 80px);
    order:3;
  }
  .news-arrow{
    display:none;
  }
  .trust-stats{
    gap:16px;
  }
  .stat-item{
    flex:1 1 45%;
    padding:8px;
  }
  .subscribe-form{
    flex-direction:column;
    gap:0;
    border-bottom:none;
  }
  .subscribe-form input{
    width:100%;
    text-align:center;
    border-bottom:1px solid var(--border);
  }
  .subscribe-form:focus-within input{
    border-bottom-color:var(--secondary);
  }
  .footer-grid{
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}

/* roulang page: category1 */
:root {
      --primary: #1E2A28;
      --primary-dark: #15211F;
      --secondary: #B58B5C;
      --secondary-light: rgba(181, 139, 92, 0.12);
      --base: #F7F5F2;
      --card-bg: #FFFFFF;
      --text: #2B2B2B;
      --text-light: #6B6B6B;
      --border: #E5E1DA;
      --success: #4A7C59;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-display: "Playfair Display", Georgia, serif;
      --shadow-card: 0 4px 20px rgba(30, 42, 40, 0.06);
      --shadow-card-hover: 0 8px 30px rgba(30, 42, 40, 0.10);
      --radius-card: 12px;
      --radius-btn: 4px;
      --radius-badge: 999px;
      --section-gap: clamp(80px, 12vh, 140px);
      --ease: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--base);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--ease); }
    img { max-width: 100%; display: block; height: auto; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    input, textarea { font-family: inherit; outline: none; }
    ul, ol { list-style: none; }

    .container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
    section { position: relative; }

    .site-header {
      position: sticky; top: 0; z-index: 100;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex; align-items: center; justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      font-family: var(--font-serif);
      font-size: 22px; font-weight: 700;
      color: var(--primary);
      letter-spacing: 0.02em;
      line-height: 1.2;
    }
    .brand-accent { color: var(--secondary); }
    .main-nav {
      display: flex; align-items: center; gap: 32px;
    }
    .main-nav a {
      font-size: 15px; font-weight: 500;
      letter-spacing: 0.02em;
      color: var(--text);
      position: relative;
      padding: 6px 0;
    }
    .main-nav a::after {
      content: ""; position: absolute; left: 0; bottom: 0;
      width: 0; height: 2px;
      background: var(--secondary);
      transition: width 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
    }
    .main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
    .main-nav a.active { color: var(--primary); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .btn-contact {
      border: 1px solid var(--secondary);
      color: var(--secondary);
      font-size: 15px; font-weight: 600;
      letter-spacing: 0.08em;
      padding: 8px 20px;
      border-radius: var(--radius-btn);
      background: transparent;
      transition: var(--ease);
    }
    .btn-contact:hover { background: var(--secondary-light); border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
    .btn-contact:focus { outline: 2px solid var(--secondary); outline-offset: 2px; }
    .nav-toggle {
      display: none;
      font-size: 22px; color: var(--primary);
      width: 44px; height: 44px;
      border-radius: var(--radius-btn);
      align-items: center; justify-content: center;
    }
    .nav-toggle:hover { background: var(--base); }

    .page-hero {
      padding-top: clamp(80px, 12vh, 140px);
      padding-bottom: clamp(48px, 8vh, 96px);
      background: var(--base);
      border-bottom: 1px solid var(--border);
      overflow: hidden;
    }
    .page-hero .hero-inner {
      display: flex; align-items: center; gap: 48px;
    }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--secondary-light);
      color: var(--secondary);
      font-size: 13px; font-weight: 600;
      padding: 6px 16px;
      border-radius: var(--radius-badge);
      letter-spacing: 0.04em;
      margin-bottom: 24px;
    }
    .hero-title {
      font-family: var(--font-serif);
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.2;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
    }
    .hero-title em { font-style: normal; color: var(--secondary); }
    .hero-subtitle {
      font-size: 17px; line-height: 1.85;
      color: var(--text-light);
      max-width: 540px;
      margin-bottom: 36px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
    .btn-primary {
      display: inline-flex; align-items: center; justify-content: center;
      background: var(--primary);
      color: #fff;
      font-size: 15px; font-weight: 600;
      letter-spacing: 0.08em;
      padding: 14px 28px;
      border-radius: var(--radius-btn);
      transition: var(--ease);
      min-height: 48px;
    }
    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
    .btn-primary:focus { outline: 2px solid var(--secondary); outline-offset: 2px; }
    .btn-secondary {
      display: inline-flex; align-items: center; justify-content: center;
      background: transparent;
      border: 1px solid var(--primary);
      color: var(--primary);
      font-size: 15px; font-weight: 600;
      letter-spacing: 0.08em;
      padding: 14px 28px;
      border-radius: var(--radius-btn);
      transition: var(--ease);
      min-height: 48px;
    }
    .btn-secondary:hover { border-color: var(--secondary); color: var(--secondary); background: rgba(181, 139, 92, 0.05); transform: translateY(-2px); }
    .btn-secondary:focus { outline: 2px solid var(--secondary); outline-offset: 2px; }
    .hero-image-wrap {
      position: relative;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .hero-image-wrap img { width: 100%; height: auto; object-fit: cover; }
    .hero-image-tag {
      position: absolute; left: 20px; bottom: 20px;
      background: rgba(255, 255, 255, 0.92);
      border-radius: var(--radius-badge);
      padding: 8px 16px;
      font-size: 13px; font-weight: 600;
      color: var(--primary);
      box-shadow: 0 4px 16px rgba(30, 42, 40, 0.10);
    }

    .stats-bar {
      background: var(--primary);
      padding: clamp(32px, 6vh, 64px) 0;
    }
    .stats-grid { display: flex; align-items: center; justify-content: center; gap: clamp(32px, 8vw, 120px); flex-wrap: wrap; }
    .stat-item { text-align: center; }
    .stat-number {
      font-family: var(--font-display);
      font-size: clamp(40px, 5vw, 64px);
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.1;
      display: block;
    }
    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      margin-top: 8px;
      letter-spacing: 0.04em;
    }

    .section-padding { padding: var(--section-gap) 0; }
    .section-label {
      font-size: 13px; font-weight: 600;
      color: var(--secondary);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      display: inline-block;
      margin-bottom: 16px;
    }
    .section-title {
      font-family: var(--font-serif);
      font-size: clamp(26px, 3.5vw, 38px);
      line-height: 1.3;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-light);
      max-width: 720px;
      line-height: 1.85;
    }

    .value-section { background: #fff; border-bottom: 1px solid var(--border); }
    .value-heading { max-width: 780px; margin-bottom: 64px; }
    .value-list { display: flex; flex-direction: column; }
    .value-item {
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 32px;
      align-items: start;
      padding: 36px 0;
      border-bottom: 1px solid var(--border);
    }
    .value-item:first-child { border-top: 1px solid var(--border); }
    .value-num {
      font-family: var(--font-display);
      font-size: 36px; font-weight: 700;
      color: var(--secondary);
      line-height: 1;
      padding-top: 4px;
    }
    .value-content h3 {
      font-family: var(--font-serif);
      font-size: 22px; font-weight: 600;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .value-content p { font-size: 16px; color: var(--text-light); line-height: 1.8; max-width: 640px; }

    .scenario-section { background: var(--base); }
    .scenario-grid { margin-top: 48px; }
    .scenario-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 32px;
      border: 1px solid transparent;
      box-shadow: var(--shadow-card);
      transition: var(--ease);
      height: 100%;
    }
    .scenario-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); border-color: var(--secondary); }
    .scenario-icon {
      width: 52px; height: 52px;
      border-radius: 50%;
      background: var(--secondary-light);
      color: var(--secondary);
      font-size: 20px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 20px;
    }
    .scenario-card h3 {
      font-family: var(--font-serif);
      font-size: 20px; font-weight: 600;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .scenario-card p { font-size: 15px; color: var(--text-light); line-height: 1.8; }

    .process-section { background: #fff; border-top: 1px solid var(--border); }
    .process-steps { margin-top: 48px; position: relative; }
    .process-steps::before {
      content: ""; position: absolute;
      top: 24px; left: 24px;
      width: 2px; bottom: 24px;
      background: var(--border);
    }
    .process-step { position: relative; padding: 0 0 36px 72px; }
    .process-step:last-child { padding-bottom: 0; }
    .process-step::before {
      content: ""; position: absolute;
      left: 16px; top: 16px;
      width: 18px; height: 18px;
      border-radius: 50%;
      background: var(--secondary);
      border: 4px solid #fff;
      box-shadow: 0 0 0 2px var(--secondary);
      z-index: 1;
    }
    .process-step h3 {
      font-family: var(--font-serif);
      font-size: 20px; font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .process-step p { font-size: 15px; color: var(--text-light); max-width: 520px; }

    .detail-section { background: var(--base); }
    .detail-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 80px;
    }
    .detail-block:last-child { margin-bottom: 0; }
    .detail-block.reverse .detail-text { order: 2; }
    .detail-block.reverse .detail-image { order: 1; }
    .detail-image {
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .detail-image img { width: 100%; height: auto; object-fit: cover; }
    .detail-text h3 {
      font-family: var(--font-serif);
      font-size: 24px; font-weight: 600;
      color: var(--primary);
      margin-bottom: 16px;
    }
    .detail-text p { font-size: 16px; color: var(--text-light); line-height: 1.85; margin-bottom: 16px; }
    .detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
    .detail-tags .tag {
      font-size: 13px;
      background: var(--secondary-light);
      color: var(--secondary);
      padding: 4px 12px;
      border-radius: var(--radius-badge);
    }

    .faq-section { background: #fff; border-top: 1px solid var(--border); }
    .faq-list { max-width: 800px; margin-top: 48px; }
    .faq-item {
      border-bottom: 1px solid var(--border);
      transition: var(--ease);
    }
    .faq-item:first-child { border-top: 1px solid var(--border); }
    .faq-question {
      display: flex; align-items: center; justify-content: space-between;
      gap: 24px;
      padding: 24px 0;
      font-family: var(--font-serif);
      font-size: 18px; font-weight: 600;
      color: var(--primary);
      cursor: pointer;
      transition: var(--ease);
    }
    .faq-question:hover { color: var(--secondary); }
    .faq-question .faq-icon {
      flex-shrink: 0;
      width: 28px; height: 28px;
      border-radius: 50%;
      border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      font-size: 14px;
      color: var(--secondary);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon { transform: rotate(45deg); }
    .faq-item.active .faq-question { color: var(--secondary); }
    .faq-answer {
      max-height: 0; overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 40px 0 0;
      color: var(--text-light);
      line-height: 1.8;
      font-size: 15px;
    }
    .faq-item.active .faq-answer { max-height: 500px; padding-bottom: 24px; }
    .faq-answer-inner { border-left: 3px solid var(--secondary); padding-left: 20px; }

    .cta-section {
      background: var(--primary);
      padding: clamp(80px, 12vh, 120px) 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      width: 300px; height: 300px;
      border-radius: 50%;
      background: rgba(181, 139, 92, 0.08);
      top: -80px; right: -60px;
    }
    .cta-section::after {
      content: "";
      position: absolute;
      width: 200px; height: 200px;
      border-radius: 50%;
      background: rgba(181, 139, 92, 0.05);
      bottom: -50px; left: -30px;
    }
    .cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
    .cta-inner h2 {
      font-family: var(--font-serif);
      font-size: clamp(28px, 4vw, 40px);
      color: #fff;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-inner p { color: rgba(255, 255, 255, 0.75); font-size: 16px; margin-bottom: 32px; line-height: 1.8; }
    .cta-inner .btn-primary { background: var(--secondary); color: var(--primary); }
    .cta-inner .btn-primary:hover { background: #a37a4e; transform: translateY(-2px); }

    .text-link {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 15px; font-weight: 600;
      color: var(--secondary);
      position: relative;
    }
    .text-link i { transition: transform 0.25s ease; }
    .text-link:hover i { transform: translateX(4px); }
    .text-link::after {
      content: ""; position: absolute; left: 0; bottom: -2px;
      width: 0; height: 1px;
      background: var(--secondary);
      transition: width 0.25s ease;
    }
    .text-link:hover::after { width: 100%; }

    .site-footer {
      background: #141B1A;
      color: rgba(255, 255, 255, 0.7);
      padding-top: 64px;
      padding-bottom: 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-brand .brand-logo { color: #fff; font-size: 24px; margin-bottom: 12px; display: block; }
    .footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.5); line-height: 1.8; max-width: 320px; }
    .footer-col h4 {
      font-family: var(--font-serif);
      font-size: 16px; font-weight: 600;
      color: #fff;
      margin-bottom: 20px;
    }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      transition: var(--ease);
    }
    .footer-col ul a:hover { color: var(--secondary); }
    .footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.6); }
    .footer-contact i { color: var(--secondary); width: 16px; text-align: center; }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
      gap: 16px;
    }
    .footer-bottom span { font-size: 12px; color: rgba(255, 255, 255, 0.3); }
    .footer-bottom a { color: rgba(255, 255, 255, 0.3); }
    .footer-bottom a:hover { color: var(--secondary); }

    @media only screen and (max-width: 1023px) {
      .hero-inner { flex-direction: column; gap: 32px; }
      .hero-subtitle { max-width: 100%; }
      .detail-block { grid-template-columns: 1fr; gap: 32px; }
      .detail-block.reverse .detail-text { order: 1; }
      .detail-block.reverse .detail-image { order: 2; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-brand { grid-column: span 2; }
    }

    @media only screen and (max-width: 639px) {
      .container { padding-left: 16px; padding-right: 16px; }
      .site-header { height: auto; min-height: 64px; }
      .header-inner { flex-wrap: wrap; padding: 12px 0; }
      .main-nav {
        display: none; width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 16px 0 8px;
        border-top: 1px solid var(--border);
        margin-top: 12px;
      }
      .main-nav.open { display: flex; }
      .main-nav a {
        width: 100%;
        padding: 14px 0;
        font-size: 16px;
        border-bottom: 1px solid var(--border);
      }
      .nav-toggle { display: flex; }
      .btn-contact { display: none; }
      .hero-actions { width: 100%; flex-direction: column; }
      .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; }
      .stats-grid { gap: 24px; }
      .stat-number { font-size: 36px; }
      .value-item { grid-template-columns: 48px 1fr; gap: 16px; }
      .value-num { font-size: 28px; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .footer-brand { grid-column: span 1; }
      .footer-bottom { flex-direction: column; text-align: center; }
      .process-steps::before { left: 12px; }
      .process-step { padding-left: 48px; }
      .process-step::before { left: 4px; }
      .scenario-grid .cell { margin-bottom: 16px; }
      .detail-block { margin-bottom: 48px; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        transition: none !important;
        animation: none !important;
      }
      html { scroll-behavior: auto; }
    }

/* roulang page: article */
:root {
  --primary: #1E2A28;
  --primary-dark: #15211F;
  --secondary: #B58B5C;
  --secondary-light: rgba(181,139,92,0.12);
  --secondary-border: rgba(181,139,92,0.35);
  --bg: #F7F5F2;
  --card-bg: #FFFFFF;
  --body-text: #2B2B2B;
  --muted-text: #6B6B6B;
  --border: #E5E1DA;
  --success: #4A7C59;
  --radius-card: 12px;
  --radius-btn: 4px;
  --shadow-card: 0 4px 20px rgba(30,42,40,0.06);
  --shadow-hover: 0 8px 30px rgba(30,42,40,0.10);
  --transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-number: 'Playfair Display', Georgia, serif;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body-text);
  background-color: var(--bg);
  background-image: radial-gradient(rgba(30,42,40,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }
ul, ol { list-style: none; }

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

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-logo:hover { color: var(--primary); }
.brand-accent { color: var(--secondary); }

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

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--body-text);
  padding: 8px 0;
  position: relative;
  white-space: nowrap;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: var(--transition);
}

.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--primary); font-weight: 600; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-contact {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 9px 20px;
  border: 1px solid var(--secondary);
  border-radius: var(--radius-btn);
  color: var(--secondary);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-contact:hover {
  background: var(--secondary-light);
  color: var(--secondary);
  transform: translateY(-1px);
}

.btn-contact:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-toggle:hover { color: var(--secondary); }

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  padding: 20px 0 0;
  font-size: 13px;
  color: var(--muted-text);
}

.breadcrumb-wrap a { color: var(--muted-text); }
.breadcrumb-wrap a:hover { color: var(--secondary); }
.breadcrumb-wrap .current { color: var(--primary); font-weight: 500; }
.breadcrumb-divider { margin: 0 8px; color: var(--border); }

/* ===== Article Hero ===== */
.article-her {
  padding: 40px 0 48px;
}

.article-border-top {
  width: 72px;
  height: 3px;
  background: var(--secondary);
  margin-bottom: 28px;
  border-radius: 2px;
}

.article-category {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--secondary-light);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.article-h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.25;
  font-weight: 600;
  color: var(--primary);
  margin: 0 0 18px;
  max-width: 820px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  font-size: 14px;
  color: var(--muted-text);
}

.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.article-meta i { color: var(--secondary); font-size: 14px; }

/* ===== Article Body ===== */
.article-body-wrap {
  padding: 0 0 72px;
}

.article-body {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--body-text);
  word-break: break-word;
}

.article-body p {
  margin-bottom: 26px;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  color: var(--primary);
  margin: 42px 0 16px;
  padding-top: 12px;
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--primary);
  margin: 34px 0 14px;
}

.article-body h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  margin: 28px 0 12px;
}

.article-body a {
  color: var(--secondary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--secondary-border);
}

.article-body a:hover {
  color: var(--secondary);
  text-decoration-color: var(--secondary);
}

.article-body blockquote {
  margin: 32px 0;
  padding: 18px 26px;
  border-left: 3px solid var(--secondary);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.75;
  color: var(--primary);
  background: var(--secondary-light);
  border-radius: 0 10px 10px 0;
}

.article-body img {
  border-radius: 10px;
  margin: 32px 0;
  box-shadow: var(--shadow-card);
}

.article-body code {
  background: var(--secondary-light);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.88em;
}

.article-body pre {
  background: var(--primary);
  color: #E8E4DF;
  padding: 24px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 28px 0;
  line-height: 1.6;
}

.article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: 14px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 26px 22px;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 8px;
  position: relative;
}

.article-body ul li::before {
  content: '—';
  position: absolute;
  left: -22px;
  color: var(--secondary);
  font-size: 14px;
}

.article-body ol { list-style: decimal; }
.article-body ol li { padding-left: 4px; }
.article-body ol li::before { display: none; }

.article-body hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 40px 0;
}

/* ===== Article Bottom ===== */
.article-bottom-wrap {
  padding: 0 0 72px;
}

.article-bottom-inner {
  max-width: 740px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.article-tags .tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--secondary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
}

.article-tags .tag:hover {
  background: var(--secondary);
  color: #fff;
}

.article-share {
  display: flex;
  align-items: center;
  gap: 14px;
}

.article-share span {
  font-size: 14px;
  color: var(--muted-text);
  margin-right: 4px;
}

.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--primary);
  font-size: 14px;
  transition: var(--transition);
}

.article-share a:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-2px);
}

/* ===== Related Section ===== */
.related-section {
  padding: 64px 0 72px;
  background: #fff;
  border-top: 1px solid var(--border);
}

.related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.related-header h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
}

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

.related-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px;
  transition: var(--transition);
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--secondary-border);
}

.related-thumb {
  width: 72px;
  height: 56px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--border);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-info .related-date {
  font-size: 12px;
  color: var(--muted-text);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #263B38 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(181,139,92,0.12);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(181,139,92,0.06);
  pointer-events: none;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.35;
}

.cta-inner p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: 30px;
}

.cta-btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--secondary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius-btn);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.cta-btn:hover {
  background: var(--secondary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181,139,92,0.35);
}

.cta-btn:focus {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* ===== Empty State ===== */
.empty-state {
  padding: 80px 0;
  text-align: center;
}

.empty-state .empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--secondary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--secondary);
}

.empty-state h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.empty-state p {
  color: var(--muted-text);
  margin-bottom: 28px;
}

.e-btn {
  display: inline-block;
  padding: 12px 30px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  color: var(--primary);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: var(--transition);
}

.e-btn:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  background: var(--secondary-light);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: #141B1A;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .brand-logo {
  color: #fff;
  margin-bottom: 16px;
  font-size: 22px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 300px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

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

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}

.footer-contact i {
  color: var(--secondary);
  font-size: 14px;
  margin-top: 4px;
  min-width: 16px;
  text-align: center;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

.footer-bottom a {
  color: rgba(255,255,255,0.3);
}

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

/* ===== Responsive ===== */
@media screen and (max-width: 1023px) {
  .main-nav {
    gap: 20px;
  }

  .main-nav a { font-size: 14px; }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media screen and (max-width: 767px) {
  .container { padding: 0 16px; }

  .site-header { position: sticky; }

  .header-inner {
    height: 64px;
    flex-wrap: nowrap;
  }

  .brand-logo { font-size: 19px; }

  .nav-toggle {
    display: block;
    font-size: 22px;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(30,42,40,0.12);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav a {
    display: block;
    padding: 16px 24px;
    font-size: 16px;
    border-bottom: 1px solid rgba(229,225,218,0.6);
  }

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

  .main-nav a.active {
    color: var(--secondary);
    font-weight: 600;
    background: var(--secondary-light);
  }

  .btn-contact {
    display: none;
  }

  .breadcrumb-wrap {
    font-size: 12px;
    padding: 14px 0 0;
  }

  .breadcrumb-divider { margin: 0 5px; }

  .article-her { padding: 28px 0 34px; }

  .article-border-top { margin-bottom: 20px; }

  .article-h1 { font-size: 26px; line-height: 1.35; }

  .article-meta {
    gap: 12px;
    font-size: 13px;
    flex-direction: column;
    align-items: flex-start;
  }

  .article-body-wrap { padding: 0 0 48px; }

  .article-body {
    font-size: 15.5px;
    line-height: 1.85;
  }

  .article-body p { margin-bottom: 22px; }

  .article-body blockquote {
    font-size: 15.5px;
    padding: 16px 18px;
  }

  .article-bottom-wrap { padding: 0 0 48px; }

  .related-section { padding: 48px 0 56px; }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .related-card {
    padding: 16px;
  }

  .cta-section { padding: 64px 0; }

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

  .cta-inner p { font-size: 15px; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

@media screen and (max-width: 639px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}