/* roulang page: index */
:root{
  --bg-warm:#F5F1E8;
  --bg-card:#FFFFFF;
  --brand-green:#1B5B42;
  --brand-deep:#0D3528;
  --green-soft:#E5EFE9;
  --brand-orange:#E56F3A;
  --orange-deep:#C65122;
  --gold:#C5A36B;
  --text-main:#1F2A24;
  --text-muted:#677A71;
  --line:#E7DFD0;
  --grad-hero:linear-gradient(135deg,#0D3528 0%,#174633 45%,#1B5B42 100%);
  --grad-cta:linear-gradient(135deg,#F28A4B 0%,#E56F3A 45%,#C65122 100%);
  --grad-card-border:linear-gradient(135deg,#C5A36B,#E56F3A);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(13,53,40,.05),0 4px 14px rgba(13,53,40,.06);
  --shadow-hover:0 20px 40px -20px rgba(13,53,40,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  background:var(--bg-warm);
  color:var(--text-main);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","MiSans","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:15.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-green);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,p{margin:0}
h1{font-size:46px;line-height:1.25;font-weight:800}
h2{font-size:32px;line-height:1.3;font-weight:750}
h3{font-size:20px;line-height:1.45;font-weight:700}
input,select,textarea{font-family:inherit}
ul,ol{margin:0;padding:0}
section{position:relative}
.grid-container{max-width:1200px}
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:14px 28px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:0;
  text-align:center;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.button:hover{transform:translateY(-2px)}
.primary-cta{
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 10px 30px -10px rgba(230,111,58,.55);
}
.primary-cta:hover{background:linear-gradient(135deg,#F28A4B,#C65122);color:#fff}
.outline-light{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.7);
  color:#fff;
}
.outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}

.top-utility{
  height:40px;
  background:var(--green-soft);
  color:var(--brand-deep);
  font-size:13px;
}
.top-utility .grid-x{height:40px}
.top-utility p{display:inline-flex;align-items:center;gap:8px;color:var(--brand-deep)}
.top-utility a{color:var(--brand-deep);font-weight:600}
.top-utility a:hover{color:var(--orange-deep)}

.site-header{
  position:sticky;
  top:0;
  z-index:99;
  background:rgba(245,241,232,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(199,181,148,.38);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-mark{
  width:42px;height:42px;
  border-radius:14px;
  background:var(--grad-hero);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(13,53,40,.16);
}
.brand-mark svg{width:22px;height:22px}
.brand-title{
  display:flex;
  flex-direction:column;
  font-weight:800;
  color:var(--brand-deep);
  font-size:22px;
  line-height:1.2;
  letter-spacing:.2px;
}
.brand-title small{
  font-size:11px;
  color:var(--text-muted);
  font-weight:500;
  letter-spacing:.8px;
}
.nav-toggle{
  position:absolute;
  opacity:0;
  pointer-events:none;
}
.nav-toggle-btn{
  display:none;
  width:42px;
  height:42px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  position:relative;
  z-index:110;
  flex:0 0 auto;
}
.nav-toggle-btn span,
.nav-toggle-btn span::before,
.nav-toggle-btn span::after{
  content:"";
  position:absolute;
  left:11px;
  width:20px;
  height:2px;
  background:var(--brand-deep);
  border-radius:2px;
  transition:.3s;
}
.nav-toggle-btn span{top:20px}
.nav-toggle-btn span::before{top:-6px}
.nav-toggle-btn span::after{top:6px}
.main-nav{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:20px;
  flex:1 1 auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;
}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--text-main);
  cursor:pointer;
}
.nav-link:hover{color:var(--brand-green);background:var(--green-soft)}
.nav-item.is-active > .nav-link{color:var(--brand-green);font-weight:800;position:relative}
.nav-item.is-active > .nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:-3px;
  height:3px;
  border-radius:3px;
  background:var(--brand-green);
}
.catalog-trigger svg{width:12px;height:12px;opacity:.7;transition:transform .25s}
.has-mega:hover .catalog-trigger svg,.has-mega:focus-within .catalog-trigger svg{transform:rotate(180deg)}
.nav-cta{
  padding:12px 24px;
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 8px 22px -12px rgba(230,111,58,.8);
  flex:0 0 auto;
}
.nav-cta:hover{transform:translateX(3px);color:#fff}

.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:920px;
  max-width:calc(100vw - 32px);
  background:#fff;
  border-radius:20px;
  padding:26px;
  border:1px solid var(--line);
  box-shadow:0 28px 70px -30px rgba(13,53,40,.35);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:120;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-title{
  font-size:13px;
  font-weight:700;
  color:var(--text-muted);
  letter-spacing:1.5px;
  margin-bottom:18px;
}
.mega-link-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.mega-category{
  display:block;
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 16px;
  background:var(--bg-warm);
  transition:.25s;
}
.mega-category strong{
  display:block;
  font-size:16px;
  color:var(--brand-green);
  margin-bottom:4px;
}
.mega-category span{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.5;
}
.mega-category:hover{
  border-color:var(--brand-green);
  background:var(--green-soft);
  transform:translateY(-2px);
}
.mega-col-extras .mega-extras-card{
  background:var(--green-soft);
  border-radius:18px;
  padding:22px;
  height:100%;
  border:1px solid rgba(197,163,107,.4);
}
.mega-extras-card h3{color:var(--brand-deep);font-size:18px;margin-bottom:8px}
.mega-extras-card p{color:var(--text-muted);font-size:14px;margin-bottom:18px}
.mega-extras-card .button{margin-bottom:0}
.mega-extras-card small{display:block;color:var(--text-muted);font-size:12px;margin-top:12px}

.hero{
  position:relative;
  background:var(--grad-hero);
  background-image:linear-gradient(125deg,rgba(13,53,40,.96) 20%,rgba(23,70,51,.84) 55%,rgba(27,91,66,.76)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  top:-120px;
  right:-80px;
  width:360px;
  height:360px;
  background:radial-gradient(circle,rgba(197,163,107,.16) 0%,transparent 65%);
  pointer-events:none;
}
.hero-inner{
  min-height:680px;
  display:flex;
  align-items:center;
  padding-top:64px;
  padding-bottom:72px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:7px 14px;
  border-radius:999px;
  margin-bottom:20px;
}
.hero h1{
  color:#fff;
  max-width:760px;
}
.hero h1 .h1-brand{
  display:block;
  font-size:54px;
  color:#fff;
  margin-bottom:4px;
}
.hero h1 .h1-desc{
  display:block;
  font-size:25px;
  line-height:1.5;
  font-weight:600;
  color:rgba(255,255,255,.94);
  max-width:690px;
  margin-top:10px;
}
.hero-lead{
  color:rgba(255,255,255,.82);
  font-size:17px;
  max-width:640px;
  margin-top:20px;
}
.hero-buttons{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-cta{padding:16px 32px}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:36px;
}
.stat-pill{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;
  padding:8px 16px;
  font-size:13px;
  color:rgba(255,255,255,.85);
}
.stat-pill strong{
  color:var(--gold);
  font-size:21px;
  font-weight:800;
}
.hero-card{
  background:#fff;
  color:var(--text-main);
  border-radius:28px;
  padding:14px;
  box-shadow:0 30px 60px -25px rgba(0,0,0,.5);
  max-width:500px;
  margin-left:auto;
}
.hero-card-img{
  border-radius:20px;
  overflow:hidden;
  margin-bottom:14px;
}
.hero-card-img img{width:100%;height:210px;object-fit:cover}
.hero-card-title{
  font-size:16px;
  font-weight:800;
  color:var(--brand-deep);
  padding:4px 8px 8px;
}
.hero-card-info li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  list-style:none;
  padding:10px 8px;
  border-top:1px dashed var(--line);
  font-size:14px;
}
.info-icon{
  width:30px;
  height:30px;
  flex:0 0 auto;
  border-radius:10px;
  background:var(--green-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-green);
  font-weight:800;
}
.info-label{color:var(--text-muted);font-weight:600}
.card-status{
  display:flex;
  justify-content:flex-end;
  padding:10px 8px 4px;
}
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--green-soft);
  border:1px solid rgba(197,163,107,.6);
  color:var(--brand-green);
  font-size:13px;
  font-weight:700;
  border-radius:999px;
  padding:7px 14px;
}
.status-badge::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand-green);
  box-shadow:0 0 0 3px rgba(27,91,66,.14);
}

.section{
  padding-top:96px;
  padding-bottom:96px;
}
.section-head{
  text-align:center;
  max-width:800px;
  margin:0 auto 52px;
}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:1.6px;
  text-transform:uppercase;
  color:var(--brand-orange);
  margin-bottom:12px;
}
.section-head h2{color:var(--brand-deep)}
.section-head p{color:var(--text-muted);margin-top:14px;font-size:16px}
.section-head.section-head-left{text-align:left;margin-left:0;margin-right:0}
.section-head.section-head-left h2{margin-bottom:0}

.agenda-section{
  background:var(--bg-warm);
}
.timeline{
  position:relative;
  max-width:1000px;
  margin:0 auto;
}
.timeline::before{
  content:"";
  position:absolute;
  left:50%;
  top:20px;
  bottom:20px;
  width:2px;
  transform:translateX(-1px);
  border-left:2px dashed rgba(197,163,107,.75);
}
.tl-item{
  position:relative;
  width:50%;
  padding:0 44px 48px;
}
.tl-item::after{
  content:"";
  position:absolute;
  top:20px;
  width:14px;
  height:14px;
  background:var(--gold);
  border-radius:50%;
  border:3px solid var(--bg-warm);
  box-shadow:0 0 0 2px var(--gold);
}
.tl-item.tl-left{left:0;text-align:right}
.tl-item.tl-left::after{right:-8px}
.tl-item.tl-right{left:50%;text-align:left}
.tl-item.tl-right::after{left:-8px}
.tl-time{
  display:inline-flex;
  align-items:center;
  background:var(--gold);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:800;
  padding:7px 14px;
  border-radius:999px;
  margin-bottom:12px;
}
.tl-card{
  background:#fff;
  border:1px solid transparent;
  border-radius:20px;
  padding:22px 24px;
  box-shadow:var(--shadow-sm);
  text-align:left;
  transition:.25s ease;
}
.tl-card:hover{
  box-shadow:var(--shadow-hover);
  border-color:var(--green-soft);
  transform:translateY(-4px);
}
.tl-card h3{color:var(--brand-deep);margin-bottom:8px}
.tl-card p{color:var(--text-muted);font-size:14.5px}
.tl-type{
  display:inline-block;
  font-size:12px;
  color:var(--brand-green);
  background:var(--green-soft);
  border-radius:8px;
  padding:3px 9px;
  margin-bottom:10px;
}

.highlight-section{
  background:#fff;
}
.highlight-layout{
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:24px;
  align-items:stretch;
}
.spotlight-main{
  background:var(--bg-warm);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:.3s ease;
  height:100%;
}
.spotlight-main:hover{box-shadow:var(--shadow-hover)}
.spotlight-thumb{overflow:hidden;position:relative}
.spotlight-thumb img{width:100%;height:300px;object-fit:cover;transition:transform .45s ease}
.spotlight-main:hover .spotlight-thumb img{transform:scale(1.03)}
.spotlight-body{padding:24px}
.spotlight-badge,.mini-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--grad-card-border);
  color:#fff;
  font-size:12px;
  font-weight:800;
  border-radius:999px;
  padding:6px 13px;
  margin-bottom:12px;
}
.spotlight-body h3,
.mini-card h3{color:var(--brand-deep)}
.spotlight-body p{color:var(--text-muted);margin-top:10px}
.spotlight-side{
  display:flex;
  flex-direction:column;
  gap:24px;
}
.mini-card{
  flex:1;
  background:var(--bg-warm);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:.3s;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);background:var(--green-soft)}
.mini-card h3{margin-top:12px}
.mini-card p{color:var(--text-muted);font-size:14px;margin-top:8px}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.topic-tags span{
  font-size:12px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand-green);
  border-radius:8px;
  padding:4px 10px;
}

.ticket-section{
  background:var(--brand-deep);
  color:#f4efe6;
}
.ticket-section .section-head h2{color:#fff}
.ticket-section .section-head p{color:rgba(255,255,255,.62)}
.ticket-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:center;
}
.ticket-card{
  background:#fff;
  border-radius:24px;
  padding:26px;
  box-shadow:0 16px 36px rgba(0,0,0,.2);
  transition:.3s;
  position:relative;
  display:flex;
  flex-direction:column;
  height:100%;
}
.ticket-card:hover{transform:translateY(-4px)}
.ticket-card.ticket-regular{box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.ticket-card.ticket-gold{background:#FCF8F0;border:1px solid rgba(197,163,107,.38)}
.ticket-card.featured-wrap{
  background:var(--grad-card-border);
  padding:2px;
  border-radius:26px;
  box-shadow:0 14px 44px rgba(0,0,0,.24);
  transform:translateY(-14px);
}
.ticket-card.featured-wrap:hover{transform:translateY(-18px)}
.ticket-inner{
  background:#fff;
  border-radius:24px;
  padding:24px;
  height:100%;
  display:flex;
  flex-direction:column;
}
.ticket-top{display:flex;justify-content:space-between;align-items:flex-start}
.ticket-top h3{color:var(--brand-deep);font-size:21px}
.most-badge{
  background:var(--gold);
  color:var(--brand-deep);
  font-size:12px;
  font-weight:800;
  padding:7px 13px;
  border-radius:999px;
}
.ticket-price{
  color:var(--brand-deep);
  font-size:24px;
  font-weight:800;
  margin-top:12px;
  line-height:1.2;
}
.ticket-price small{display:block;font-size:13px;color:var(--text-muted);font-weight:500}
.ticket-desc{color:var(--text-muted);padding:14px 0;border-bottom:1px dashed var(--line);font-size:14px;margin-bottom:10px}
.ticket-benefits{list-style:none;flex:1;padding:8px 0}
.ticket-benefits li{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
  padding:7px 0;
  color:#2C3730;
  font-size:14px;
}
.ticket-benefits li .tick{
  color:var(--brand-green);
  font-weight:800;
  flex:0 0 auto;
}
.ticket-card .button{
  background:var(--brand-green);
  color:#fff;
  width:100%;
  margin-bottom:0;
}
.ticket-card .button:hover{background:var(--brand-deep);color:#fff}
.ticket-caption{
  color:rgba(255,255,255,.45);
  font-size:13px;
  text-align:center;
  margin-top:28px;
}

.register-section{
  background:var(--bg-warm);
}
.register-wrap{
  background:#fff;
  border-radius:28px;
  padding:56px;
  box-shadow:var(--shadow-sm);
  position:relative;
  overflow:hidden;
}
.register-wrap::before{
  content:"";
  position:absolute;
  top:0;left:20%;right:20%;
  height:6px;
  background:linear-gradient(90deg,transparent,var(--brand-orange),var(--gold),transparent);
  border-radius:0 0 8px 8px;
}
.register-title h2{color:var(--brand-deep)}
.register-title p{color:var(--text-muted);margin-top:8px;font-size:15px}
.form-card{margin-top:28px}
.form-field label{
  font-size:13px;
  font-weight:700;
  color:var(--text-main);
  display:block;
  margin-bottom:8px;
}
.form-field input,.form-field select{
  background:#FBF8F2;
  border:1px solid var(--line);
  border-radius:12px;
  padding:13px 16px;
  width:100%;
  font-size:15px;
  color:var(--text-main);
  outline:none;
  transition:.25s;
  box-shadow:none;
}
.form-field input:focus,.form-field select:focus{
  border-color:var(--brand-green);
  background:#fff;
  box-shadow:0 0 0 4px rgba(27,91,66,.08);
}
.form-submit{margin-top:26px}
.form-submit .button{width:100%;margin-bottom:0;padding:17px}
.form-submit .button:hover{transform:translateY(-2px)}
.form-tip{
  display:block;
  color:var(--text-muted);
  font-size:12px;
  margin-top:12px;
  text-align:center;
}
.service-note{
  background:var(--green-soft);
  border-radius:20px;
  padding:28px;
  height:100%;
  border:1px solid rgba(197,163,107,.4);
}
.service-note h3{color:var(--brand-deep)}
.service-note p{color:var(--text-muted);margin-top:10px}
.service-list{list-style:none;margin-top:18px}
.service-list li{
  position:relative;
  padding-left:26px;
  color:#2C3730;
  font-size:14px;
  margin-bottom:10px;
}
.service-list li::before{
  content:"✓";
  position:absolute;
  left:0;top:0;
  color:var(--brand-green);
  font-weight:800;
}
.service-note a.link-inline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand-green);
  font-weight:700;
  margin-top:16px;
}
.faq-section{background:#fff}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-list .accordion-item{
  margin-bottom:14px;
  background:var(--bg-warm);
  border:1px solid transparent;
  border-radius:18px;
  overflow:hidden;
  background:var(--bg-warm);
  transition:.25s;
}
.faq-list .accordion-item:hover{border-color:rgba(27,91,66,.18)}
.faq-list .accordion-item.is-active{
  border-left:4px solid var(--brand-green);
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.faq-list .accordion-title{
  display:block;
  color:var(--text-main);
  font-size:17px;
  font-weight:700;
  padding:22px 26px;
  border-bottom:0;
  background:transparent;
}
.faq-list .accordion-title:hover{background:transparent;color:var(--brand-green)}
.faq-list .accordion-content{
  border-bottom:0;
  background:transparent;
  padding:0 26px 20px;
  color:var(--text-muted);
}
.faq-list .accordion-content p{color:var(--text-muted);font-size:15px}
.faq-list .accordion-title .faq-icon{
  display:inline-block;
  float:right;
}
.faq-list .accordion-title::before,
.faq-list .accordion-title::after{
  display:none;
}
.faq-note{
  max-width:880px;
  margin:24px auto 0;
  text-align:center;
  color:var(--text-muted);
  font-size:14px;
}

.latest-section{
  background:var(--bg-warm);
}
.latest-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.latest-top h2{color:var(--brand-deep)}
.latest-top p{color:var(--text-muted);margin-top:6px}
.content-list{
  display:block;
  border-radius:20px;
  overflow:hidden;
}
.content-item{
  display:grid;
  grid-template-columns:112px 1fr 150px;
  gap:20px;
  align-items:center;
  background:#fff;
  padding:18px 20px;
  border-radius:16px;
  box-shadow:var(--shadow-sm);
  margin-bottom:14px;
  transition:.25s;
}
.content-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.content-thumb{display:block;border-radius:12px;overflow:hidden;width:112px;height:80px;flex:0 0 auto}
.content-thumb img{width:112px;height:80px;object-fit:cover}
.content-info{min-width:0}
.content-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:6px;
}
.content-meta .tag-cat{
  background:var(--green-soft);
  color:var(--brand-green);
  font-size:12px;
  font-weight:700;
  padding:4px 10px;
  border-radius:8px;
}
.content-meta .read-time{
  color:var(--text-muted);
  font-size:13px;
}
.content-info h3{
  font-size:18px;
  color:var(--brand-deep);
  line-height:1.5;
  overflow-wrap:break-word;
}
.content-info h3 a{color:var(--brand-deep)}
.content-info h3 a:hover{color:var(--brand-green)}
.content-excerpt{
  color:var(--text-muted);
  font-size:14px;
  margin-top:6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.content-date{
  color:var(--text-muted);
  font-size:13px;
  text-align:right;
  line-height:1.5;
}
.content-date span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:8px;
  width:32px;
  height:32px;
  border-radius:50%;
  background:var(--green-soft);
  color:var(--brand-green);
  font-weight:800;
}
.content-date .arrow{display:inline}
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background:#fff;
  border:2px dashed var(--line);
  color:var(--text-muted);
  border-radius:18px;
  padding:42px;
  text-align:center;
  gap:12px;
}
.empty-state i{
  width:46px;
  height:46px;
  border-radius:50%;
  border:2px dashed var(--gold);
  display:block;
}
.empty-state span{font-size:15px;color:var(--text-muted)}
.latest-note{
  text-align:center;
  color:var(--text-muted);
  font-size:13px;
  margin-top:22px;
}

.cta-mini-section{
  background:#fff;
  border-top:1px solid var(--line);
}
.cta-mini-card{
  background:var(--grad-hero);
  border-radius:28px;
  padding:64px 56px;
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-mini-card::before{
  content:"";
  position:absolute;
  top:-80px;right:-60px;
  width:260px;height:260px;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);
}
.cta-mini-card h2{color:#fff;font-size:30px}
.cta-mini-card p{
  color:rgba(255,255,255,.75);
  max-width:600px;
  margin:14px auto 30px;
}
.cta-mini-card .button{margin-bottom:0}
.cta-mini-card .outline-light{margin-left:10px}

.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.7);
  padding-top:70px;
  padding-bottom:20px;
}
.site-footer a{color:rgba(255,255,255,.7);transition:.25s}
.site-footer a:hover{color:#fff}
.footer-brand-logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:22px;
  color:#fff;
  font-weight:800;
}
.footer-brand-logo .brand-mark{
  background:#fff;
  color:var(--brand-deep);
}
.footer-about{
  color:rgba(255,255,255,.55);
  font-size:14px;
  margin-top:18px;
  max-width:320px;
}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:20px;
}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;display:inline-flex;align-items:center;gap:8px}
.footer-links a::before{content:"›";color:var(--gold);font-weight:700}
.footer-contact-item{
  display:flex;
  gap:10px;
  font-size:14px;
  margin-bottom:14px;
  align-items:flex-start;
}
.footer-contact-item i{
  font-style:normal;
  color:var(--gold);
  font-weight:800;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:48px;
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.45);
  flex-wrap:wrap;
}
.footer-disclaimer{
  margin-top:12px;
  font-size:12px;
  color:rgba(255,255,255,.35);
}
@media screen and (max-width:1024px){
  .grid-container{max-width:100%}
  html{scroll-padding-top:72px}
  .nav-inner{height:68px;gap:14px}
  .brand-title{font-size:19px}
  .nav-toggle-btn{display:inline-flex}
  .main-nav{
    position:absolute;
    top:68px;
    left:0;
    right:0;
    display:none;
    background:rgba(245,241,232,.98);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    padding:18px 22px 24px;
    box-shadow:0 18px 40px rgba(13,53,40,.18);
    border-bottom:1px solid var(--line);
    align-items:stretch;
  }
  .nav-toggle:checked ~ .main-nav{
    display:block;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav-link{
    display:flex;
    justify-content:space-between;
    padding:13px 10px;
    border-radius:12px;
    font-size:16px;
  }
  .nav-item.is-active > .nav-link{background:var(--green-soft)}
  .nav-item.is-active > .nav-link::after{display:none}
  .mega-panel{
    position:static;
    opacity:1;
    visibility:visible;
    transform:none;
    width:auto;
    max-width:none;
    padding:0;
    box-shadow:none;
    border:0;
    border-top:1px dashed var(--line);
    border-radius:0;
    background:transparent;
    margin-top:4px;
  }
  .mega-title{margin-top:12px}
  .mega-link-grid{grid-template-columns:1fr 1fr}
  .mega-col-extras{display:none}
  .tab-btn{display:inline-flex}
  .section{padding-top:72px;padding-bottom:72px}
  .highlight-layout{grid-template-columns:1fr 1fr}
  .ticket-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .ticket-card.featured-wrap{transform:none}
  .ticket-card.featured-wrap:hover{transform:translateY(-4px)}
  .content-item{grid-template-columns:96px 1fr 130px}
  .content-thumb,.content-thumb img{width:96px}
}
@media screen and (max-width:900px){
  .highlight-layout{grid-template-columns:1fr}
  .ticket-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .ticket-card.featured-wrap{transform:none}
  .ticket-card.featured-wrap:hover{transform:translateY(-4px)}
  .register-wrap{padding:32px}
  .mega-link-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:767px){
  body{font-size:15px}
  h1{font-size:30px}
  h2{font-size:24px}
  .section{padding-top:56px;padding-bottom:56px}
  .section-head{margin-bottom:36px}
  .hero-inner{min-height:0;padding-top:44px;padding-bottom:56px}
  .hero h1 .h1-brand{font-size:40px}
  .hero h1 .h1-desc{font-size:20px}
  .hero-card{margin:0}
  .content-item{grid-template-columns:88px 1fr;padding:14px}
  .content-thumb,.content-thumb img{width:88px;height:70px}
  .content-date{
    grid-column:1 / -1;
    text-align:left;
  }
  .content-date span{display:none}
  .cta-mini-card{padding:40px 22px}
  .footer-bottom{flex-direction:column}
  .register-wrap{padding:24px}
  .register-wrap::before{left:5%;right:5%}
  .service-note{margin-top:18px}
  .mega-link-grid{grid-template-columns:1fr}
  .top-utility{font-size:12px}
  .top-utility .hide-mobile{display:none}
}
@media screen and (max-width:520px){
  .brand small{display:none}
  .brand-mark{width:36px;height:36px;border-radius:11px}
  .brand-title{font-size:17px}
}

/* roulang page: category1 */
:root {
      --bg-warm: #F5F1E8;
      --bg-card: #FFFFFF;
      --brand-green: #1B5B42;
      --brand-deep: #0D3528;
      --green-soft: #E5EFE9;
      --brand-orange: #E56F3A;
      --orange-deep: #C65122;
      --gold: #C5A36B;
      --text-main: #1F2A24;
      --text-muted: #677A71;
      --line: #E7DFD0;
      --grad-hero: linear-gradient(135deg, #0D3528 0%, #174633 45%, #1B5B42 100%);
      --grad-cta: linear-gradient(135deg, #F28A4B 0%, #E56F3A 45%, #C65122 100%);
      --grad-card-border: linear-gradient(135deg, #C5A36B, #E56F3A);
      --radius-card: 24px;
      --radius-btn: 999px;
      --shadow-card: 0 1px 2px rgba(13, 53, 40, .05), 0 4px 14px rgba(13, 53, 40, .06);
      --shadow-hover: 0 20px 40px -20px rgba(13, 53, 40, .24);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "MiSans", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
      background: var(--bg-warm); color: var(--text-main); line-height: 1.75; font-size: 15.5px; -webkit-font-smoothing: antialiased;
    }
    .grid-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    h1, h2, h3, h4, p, ul, ol { margin: 0; }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font-family: inherit; font-size: 100%; outline: none; }
    ul { list-style: none; padding: 0; }

    .top-ticker {
      background: var(--green-soft); color: var(--brand-green); font-size: 13px; height: 40px; display: flex; align-items: center;
      border-bottom: 1px solid var(--line);
    }
    .top-ticker .grid-container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
    .ticker-note { font-weight: 500; letter-spacing: .2px; }
    .ticker-links a { margin-left: 20px; opacity: .85; transition: opacity .2s; font-size: 13px; }
    .ticker-links a:hover { opacity: 1; color: var(--brand-orange); }

    .site-header {
      position: sticky; top: 0; z-index: 90; background: rgba(245, 241, 232, .92); backdrop-filter: blur(14px);
      box-shadow: 0 1px 0 var(--line); transition: box-shadow .3s;
    }
    .site-header.is-stuck { box-shadow: 0 6px 24px rgba(13,53,40,.08); }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; position: relative; }
    .brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
    .brand-mark {
      width: 38px; height: 38px; border-radius: 12px; background: var(--brand-green); color: #fff; display: inline-flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 10px rgba(27,91,66,.22);
    }
    .brand-mark svg { width: 20px; height: 20px; }
    .brand-title { font-size: 20px; font-weight: 800; color: var(--brand-green); letter-spacing: .2px; display: flex; flex-direction: column; line-height: 1.2; }
    .brand-title small { font-size: 9px; font-weight: 400; color: var(--text-muted); letter-spacing: .6px; line-height: 1.4; }
    .nav-toggle, .nav-toggle-btn { display: none; }
    .main-nav { display: flex; align-items: center; }
    .nav-list { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; }
    .nav-item { position: relative; }
    .nav-link, .catalog-trigger {
      display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px; border-radius: 999px; font-size: 14.5px; font-weight: 500; color: var(--text-main);
      transition: color .25s, background .25s, transform .25s; cursor: pointer; white-space: nowrap;
    }
    .nav-link:hover, .catalog-trigger:hover, .nav-item.is-active > a {
      color: var(--brand-green); background: var(--green-soft);
    }
    .nav-item.is-active .nav-link { font-weight: 700; }
    .nav-item.is-active .nav-link::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: -2px; height: 3px; border-radius: 3px; background: var(--brand-green); }
    .catalog-trigger svg { width: 10px; height: 8px; transition: transform .3s; }
    .has-mega:hover .catalog-trigger svg { transform: rotate(180deg); }
    .mega-panel {
      position: absolute; top: calc(100% + 12px); right: -180px; width: min(860px, calc(100vw - 48px)); background: #fff; border: 1px solid var(--line);
      border-radius: 20px; box-shadow: 0 30px 60px -25px rgba(13,53,40,.28), 0 0 0 1px rgba(197,163,107,.25); padding: 26px;
      opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .3s ease; z-index: 100;
    }
    .has-mega:hover .mega-panel, .has-mega:focus-within .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }
    .mega-panel .mega-title { font-size: 13px; font-weight: 700; color: var(--brand-green); letter-spacing: .8px; margin-bottom: 14px; }
    .mega-link-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .mega-category { display: block; background: var(--bg-warm); border-radius: 16px; padding: 16px; transition: all .25s; }
    .mega-category strong { display: block; color: var(--text-main); font-size: 15px; margin-bottom: 4px; transition: color .25s; }
    .mega-category span { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
    .mega-category:hover { background: var(--green-soft); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .mega-category:hover strong { color: var(--brand-green); }
    .mega-col-extras .mega-extras-card { background: linear-gradient(135deg, #FDF8EE, #FFF); border: 1px solid rgba(197,163,107,.3); border-radius: 16px; padding: 16px; }
    .mega-extras-item { display: flex; gap: 10px; padding: 6px 0; font-size: 13px; color: var(--text-muted); border-bottom: 1px dashed var(--line); }
    .mega-extras-item:last-child { border-bottom: 0; }
    .nav-cta {
      display: inline-flex; align-items: center; gap: 8px; background: var(--grad-cta); color: #fff; padding: 10px 22px; border-radius: 999px;
      font-weight: 700; font-size: 14px; box-shadow: 0 6px 18px rgba(229,111,58,.3); transition: transform .25s, box-shadow .25s; white-space: nowrap;
    }
    .nav-cta:hover { transform: translateX(3px); box-shadow: 0 10px 24px rgba(229,111,58,.38); color: #fff; }

    .category-hero {
      position: relative; min-height: 280px; display: flex; align-items: center; color: #fff; overflow: hidden; 
      background: var(--grad-hero);
    }
    .category-hero::after {
      content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center;
      opacity: .28; mix-blend-mode: luminosity;
    }
    .category-hero .grid-container { position: relative; z-index: 2; padding-top: 60px; padding-bottom: 60px; }
    .breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255,255,255,.8); margin-bottom: 18px; }
    .breadcrumb a { color: rgba(255,255,255,.9); border-bottom: 1px solid rgba(255,255,255,.4); transition: opacity .2s; }
    .breadcrumb a:hover { opacity: .7; }
    .category-hero h1 { font-size: 42px; font-weight: 800; line-height: 1.25; margin: 0 0 14px; letter-spacing: .5px; }
    .category-hero p { max-width: 740px; font-size: 16px; line-height: 1.8; color: rgba(255,255,255,.9); margin: 0; }

    .section-block { padding: 96px 0; }
    .section-block.is-warm { background: var(--bg-warm); }
    .section-block.is-white { background: #fff; }
    .eyebrow-label { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: 1.2px; font-weight: 700; color: var(--brand-orange); background: rgba(229,111,58,.1); padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; }
    .section-head { max-width: 700px; margin-bottom: 46px; }
    .section-head h2 { font-size: 32px; font-weight: 750; color: var(--text-main); line-height: 1.3; margin-bottom: 12px; }
    .section-head p { color: var(--text-muted); font-size: 15.5px; line-height: 1.8; }

    .split-visual {
      background: #fff; padding: 96px 0;
    }
    .split-item { display: flex; align-items: center; gap: 56px; margin-bottom: 72px; flex-wrap: wrap; }
    .split-item:last-child { margin-bottom: 0; }
    .split-item.reverse .split-img { order: 2; }
    .split-img { flex: 0 0 50%; max-width: 50%; }
    .split-img .img-frame { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-hover); position: relative; }
    .img-frame img { width: 100%; height: 340px; object-fit: cover; transition: transform .8s ease; }
    .split-item:hover .img-frame img { transform: scale(1.03); }
    .img-badge {
      position: absolute; left: 20px; top: 20px; background: rgba(13,53,40,.82); color: #fff; backdrop-filter: blur(6px);
      padding: 6px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600; letter-spacing: .4px;
    }
    .split-content { flex: 1 1 40%; padding: 24px 0; }
    .split-kicker { display: inline-block; color: var(--brand-orange); font-weight: 700; font-size: 13px; margin-bottom: 10px; letter-spacing: .8px; }
    .split-content h2 { font-size: 30px; line-height: 1.35; font-weight: 750; color: var(--text-main); margin-bottom: 14px; }
    .split-content .split-desc { color: var(--text-muted); font-size: 16px; line-height: 1.9; margin-bottom: 24px; }
    .feature-check-list li { display: flex; gap: 12px; align-items: flex-start; padding: 7px 0; color: var(--text-main); font-size: 15px; }
    .feature-check-list i { color: var(--brand-green); font-size: 18px; margin-top: 3px; flex-shrink: 0; }

    .topic-tag-section { background: var(--bg-warm); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 860px; margin: 0 auto; }
    .tag-pill {
      background: #fff; border: 1px solid var(--line); color: var(--text-main); border-radius: 999px; padding: 9px 22px; font-size: 14px; font-weight: 500;
      transition: all .3s ease; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 1px 2px rgba(13,53,40,.04);
    }
    .tag-pill i { color: var(--brand-green); font-size: 15px; opacity: .65; }
    .tag-pill:hover { background: var(--brand-green); border-color: var(--brand-green); color: #fff; transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .tag-pill:hover i { color: #fff; opacity: 1; }

    .metric-band { background: var(--brand-deep); color: #fff; padding: 72px 0; }
    .metric-title { text-align: center; color: rgba(255,255,255,.9); font-size: 26px; font-weight: 700; max-width: 560px; margin: 0 auto 34px; line-height: 1.5; }
    .metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 980px; margin: 0 auto; }
    .metric-item { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 20px; text-align: center; padding: 34px 20px; backdrop-filter: blur(6px); }
    .metric-num { font-size: 40px; font-weight: 800; color: var(--gold); letter-spacing: .5px; line-height: 1.2; }
    .metric-label { margin-top: 8px; font-size: 14px; color: rgba(255,255,255,.82); letter-spacing: .4px; }

    .faq-section { background: #fff; }
    .accordion-item { background: var(--bg-warm); border-radius: 16px; padding: 0; margin-bottom: 14px; border: 1px solid var(--line); transition: box-shadow .3s, transform .3s; }
    .accordion-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
    .accordion-head { display: flex; align-items: center; justify-content: space-between; width: 100%; background: transparent; border: 0; padding: 22px 26px; font-size: 16.5px; font-weight: 700; color: var(--text-main); cursor: pointer; text-align: left; }
    .accordion-head i { color: var(--brand-orange); transition: transform .35s; flex-shrink: 0; margin-left: 16px; font-size: 18px; }
    .accordion-item.is-active .accordion-head i { transform: rotate(45deg); }
    .accordion-content { max-height: 0; overflow: hidden; transition: max-height .5s ease, padding .3s; padding: 0 26px; }
    .accordion-item.is-active .accordion-content { max-height: 600px; padding-bottom: 24px; }
    .accordion-content p { color: var(--text-muted); font-size: 15px; line-height: 1.85; border-left: 2px solid var(--gold); padding-left: 18px; }

    .category-route { background: var(--bg-warm); }
    .route-card {
      background: var(--grad-hero); border-radius: 32px; padding: 56px; color: #fff; position: relative; overflow: hidden;
    }
    .route-card::before { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%; background: rgba(229,111,58,.13); top: -120px; right: -80px; }
    .route-card .route-title { font-size: 28px; font-weight: 750; margin-bottom: 12px; }
    .route-card > p { color: rgba(255,255,255,.8); max-width: 640px; margin-bottom: 36px; font-size: 15px; }
    .route-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; z-index: 2; }
    .route-link {
      background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.16); border-radius: 18px; padding: 18px 16px; text-align: center;
      transition: all .3s ease; color: rgba(255,255,255,.92); font-weight: 600; backdrop-filter: blur(8px);
    }
    .route-link i { display: block; font-size: 22px; margin-bottom: 10px; color: var(--gold); }
    .route-link:hover { background: #fff; color: var(--brand-green); transform: translateY(-5px); box-shadow: 0 20px 30px -18px rgba(0,0,0,.35); }
    .route-link.is-active-route { background: var(--brand-orange); border-color: var(--brand-orange); color: #fff; cursor: default; }
    .route-link.is-active-route i { color: #fff; }

    .footer-note-cta { background: var(--bg-warm); padding: 56px 0 0; }
    .register-card {
      background: #fff; border-radius: 28px; padding: 48px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
      box-shadow: 0 20px 50px -30px rgba(13,53,40,.3); border: 1px solid var(--line);
    }
    .register-card::before { content: ""; position: absolute; width: 200px; height: 200px; background: radial-gradient(circle, rgba(229,111,58,.14), transparent 70%); top: -70px; right: 10%; }
    .register-card h2 { font-size: 25px; font-weight: 750; color: var(--text-main); max-width: 490px; line-height: 1.45; z-index: 1; }
    .register-card p { color: var(--text-muted); margin-top: 6px; max-width: 520px; font-size: 15px; z-index: 1; }
    .register-card .btn-main-cta { z-index: 1; }

    .btn-main-cta, .btn-line-cta {
      display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 13px 32px; font-size: 15px; font-weight: 700;
      transition: all .3s ease; border: 0; cursor: pointer;
    }
    .btn-main-cta { background: var(--grad-cta); color: #fff; box-shadow: 0 10px 24px rgba(229,111,58,.3); gap: 8px; }
    .btn-main-cta:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(229,111,58,.38); color: #fff; }
    .btn-line-cta { border: 1.5px solid #fff; color: #fff; background: transparent; }
    .btn-line-cta:hover { background: #fff; color: var(--brand-deep); }
    .small-cta-link { color: var(--text-muted); font-size: 14px; border-bottom: 1px dashed var(--line); transition: color .2s; }
    .small-cta-link:hover { color: var(--brand-green); }

    .site-footer { background: var(--brand-deep); color: rgba(255,255,255,.7); padding: 70px 0 28px; }
    .footer-col { margin-bottom: 30px; }
    .footer-brand-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 22px; font-weight: 800; margin-bottom: 16px; }
    .footer-brand-logo .brand-mark { background: rgba(255,255,255,.14); box-shadow: none; }
    .footer-about { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.62); max-width: 360px; }
    .footer-disclaimer { margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; color: rgba(255,255,255,.45); }
    .footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: .4px; }
    .footer-links { margin: 0; padding: 0; }
    .footer-links li { margin-bottom: 11px; }
    .footer-links a { color: rgba(255,255,255,.62); font-size: 14px; transition: all .25s; position: relative; }
    .footer-links a:hover { color: #fff; padding-left: 8px; }
    .footer-contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: rgba(255,255,255,.62); margin-bottom: 13px; }
    .footer-contact-item i { font-style: normal; background: rgba(255,255,255,.1); width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; color: var(--gold); flex-shrink: 0; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.42); }

    @media (max-width: 1024px) {
      .mega-panel { right: -80px; }
      .mega-link-grid { grid-template-columns: 1fr; }
      .split-item { gap: 30px; }
      .route-grid { grid-template-columns: repeat(2, 1fr); }
      .section-block { padding: 76px 0; }
      .split-visual { padding: 76px 0; }
    }
    @media (max-width: 768px) {
      .top-ticker .ticker-note { display: none; }
      .top-ticker .ticker-links a { margin-left: 0; margin-right: 16px; }
      .site-header .nav-inner { height: 64px; }
      .brand-title { font-size: 17px; letter-spacing: 0; }
      .brand-title small { font-size: 8px; }
      .brand-mark { width: 32px; height: 32px; border-radius: 10px; }
      .nav-toggle-btn { display: block; width: 40px; height: 40px; cursor: pointer; position: relative; z-index: 20; }
      .nav-toggle-btn span, .nav-toggle-btn span::before, .nav-toggle-btn span::after {
        content: ""; position: absolute; width: 20px; height: 2px; background: var(--brand-green); border-radius: 3px; left: 10px; transition: all .35s;
      }
      .nav-toggle-btn span { top: 19px; }
      .nav-toggle-btn span::before { bottom: 7px; }
      .nav-toggle-btn span::after { top: 7px; }
      .nav-toggle:checked + .nav-toggle-btn span { background: transparent; }
      .nav-toggle:checked + .nav-toggle-btn span::before { transform: rotate(45deg); bottom: 0; top: 0; }
      .nav-toggle:checked + .nav-toggle-btn span::after { transform: rotate(-45deg); top: 0; left: 0; }
      .main-nav {
        position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: rgba(245,241,232,.98); backdrop-filter: blur(20px);
        flex-direction: column; align-items: flex-start; padding: 20px 20px 40px; transform: translateX(100%); transition: transform .4s ease; overflow-y: auto;
      }
      .nav-toggle:checked ~ .main-nav { transform: translateX(0); }
      .nav-list { flex-direction: column; width: 100%; gap: 0; }
      .nav-item { width: 100%; border-bottom: 1px solid var(--line); }
      .nav-link, .catalog-trigger { width: 100%; justify-content: space-between; padding: 15px 4px; border-radius: 0; font-size: 16px; }
      .nav-item.is-active .nav-link::after { display: none; }
      .nav-item.is-active .nav-link { background: transparent; color: var(--brand-green); font-weight: 800; }
      .mega-panel { position: static; width: 100%; transform: none; opacity: 1; visibility: hidden; box-shadow: none; border: 0; border-radius: 12px; padding: 0 4px; max-height: 0; overflow: hidden; }
      .nav-item.is-active-panel .mega-panel { visibility: visible; max-height: 700px; padding-top: 14px; transition: max-height .5s ease; }
      .mega-link-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
      .mega-category { padding: 12px; }
      .mega-category span { font-size: 12px; }
      .nav-cta { margin-top: 20px; justify-content: center; width: 100%; }
      .category-hero { min-height: 240px; }
      .category-hero h1 { font-size: 30px; }
      .category-hero p { font-size: 14.5px; }
      .section-block, .split-visual { padding: 56px 0; }
      .split-item, .split-item.reverse { flex-direction: column; gap: 20px; margin-bottom: 48px; }
      .split-img, .split-img.reverse { flex: 0 0 100%; max-width: 100%; order: 1; }
      .split-content { flex: 0 0 100%; max-width: 100%; order: 2; padding: 0; }
      .img-frame img { height: 240px; }
      .section-head h2 { font-size: 24px; }
      .metric-grid { grid-template-columns: 1fr; gap: 14px; }
      .metric-num { font-size: 34px; }
      .route-card { padding: 36px 22px; }
      .route-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
      .route-link { padding: 16px 10px; font-size: 14px; }
      .register-card { padding: 34px 22px; }
      .accordion-head { padding: 18px; font-size: 15px; }
      .accordion-content { padding: 0 18px; }
      .footer-col { margin-bottom: 24px; }
      .footer-bottom span { width: 100%; }
    }
    @media (max-width: 520px) {
      .grid-container { padding: 0 18px; }
      .brand-title small { display: none; }
      .ticker-links span { display: none; }
      .tag-cloud { justify-content: flex-start; }
      .mega-link-grid { grid-template-columns: 1fr; }
      .section-head { margin-bottom: 30px; }
      .section-head p { font-size: 14px; }
    }

/* roulang page: article */
:root{
  --bg-warm:#F5F1E8;
  --bg-card:#FFFFFF;
  --brand-green:#1B5B42;
  --brand-deep:#0D3528;
  --green-soft:#E5EFE9;
  --brand-orange:#E56F3A;
  --orange-deep:#C65122;
  --gold:#C5A36B;
  --text-main:#1F2A24;
  --text-muted:#677A71;
  --line:#E7DFD0;
  --grad-hero:linear-gradient(135deg,#0D3528 0%,#174633 45%,#1B5B42 100%);
  --grad-cta:linear-gradient(135deg,#F28A4B 0%,#E56F3A 45%,#C65122 100%);
  --grad-card-border:linear-gradient(135deg,#C5A36B,#E56F3A);
  --shadow-card:0 1px 2px rgba(13,53,40,.05),0 4px 14px rgba(13,53,40,.06);
  --shadow-hover:0 20px 40px -20px rgba(13,53,40,.24);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","MiSans","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);background:var(--bg-warm);color:var(--text-main);line-height:1.75;font-size:15.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul,ol{padding-left:1.25em}
.grid-container{max-width:75rem;margin-inline:auto;padding-inline:1rem}
button,input,select,textarea{font-family:inherit}
::selection{background:rgba(27,91,66,.18)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(245,241,232,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(13,53,40,.06),0 10px 30px -32px rgba(13,53,40,.28);
}
.nav-inner{display:flex;align-items:center;min-height:74px;gap:14px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;color:#fff;background:var(--grad-hero);box-shadow:0 8px 18px -8px rgba(13,53,40,.55)}
.brand-mark svg{width:22px;height:22px}
.brand-title{font-size:22px;line-height:1.1;font-weight:800;letter-spacing:-.2px;color:var(--brand-deep)}
.brand-title small{display:block;font-size:10.5px;font-weight:600;color:var(--text-muted);letter-spacing:.2px;margin-top:2px;color:var(--brand-green)}
.main-nav{margin-left:auto;display:flex;align-items:center}
.nav-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;padding:12px 13px;
  font-size:14.5px;font-weight:600;color:var(--text-main);
  border-radius:10px;position:relative;line-height:1.2;
  transition:color .25s ease,background .25s ease;
}
.nav-link svg{width:11px;height:7px;opacity:.6;transition:transform .3s ease}
.nav-link:hover{color:var(--brand-green);background:var(--green-soft)}
.nav-item.is-active .nav-link{color:var(--brand-green);font-weight:700}
.nav-item.is-active .nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:5px;height:2px;border-radius:2px;background:var(--brand-green)}
.catalog-trigger{cursor:default}
.has-mega:hover .nav-link svg,.has-mega:focus-within .nav-link svg{transform:rotate(180deg)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-toggle-btn{display:none;width:42px;height:42px;margin-left:auto;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;position:relative;z-index:2}
.nav-toggle-btn span,.nav-toggle-btn span::before,.nav-toggle-btn span::after{content:"";display:block;width:20px;height:2px;background:var(--brand-deep);border-radius:4px;transition:transform .3s ease,opacity .3s ease;position:relative}
.nav-toggle-btn span::before{position:absolute;top:-6px;left:0}
.nav-toggle-btn span::after{position:absolute;top:6px;left:0}
.nav-toggle:checked~.nav-toggle-btn span{background:transparent}
.nav-toggle:checked~.nav-toggle-btn span::before{top:0;transform:rotate(45deg)}
.nav-toggle:checked~.nav-toggle-btn span::after{top:0;transform:rotate(-45deg)}
.nav-cta-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 22px;border-radius:999px;
  background:var(--grad-cta);color:#fff;font-size:14px;font-weight:700;white-space:nowrap;
  box-shadow:0 10px 22px -12px rgba(229,111,58,.65);transition:transform .25s ease,box-shadow .25s ease;
}
.nav-cta-btn:hover{transform:translateX(2px);color:#fff;box-shadow:0 14px 24px -10px rgba(198,81,34,.7)}

/* Mega */
.has-mega{position:static}
.mega-panel{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) scale(.98);transform-origin:top center;
  width:min(1020px,92vw);background:var(--bg-card);border-radius:24px;padding:28px;
  box-shadow:0 30px 80px -34px rgba(13,53,40,.42),0 0 0 1px rgba(197,163,107,.4);
  opacity:0;visibility:hidden;transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel,.mega-panel:hover,.mega-panel:focus-within{
  opacity:1;visibility:visible;transform:translateX(-50%) scale(1);
}
.mega-title{font-size:12px;font-weight:800;letter-spacing:1.2px;color:var(--brand-green);text-transform:uppercase;margin-bottom:14px}
.mega-link-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mega-category{display:block;padding:16px 16px 15px;border-radius:14px;background:#FBF9F4;border:1px solid transparent;transition:all .25s ease}
.mega-category strong{display:block;font-size:15px;color:var(--brand-deep);margin-bottom:4px;transition:color .25s ease}
.mega-category span{display:block;font-size:13px;line-height:1.6;color:var(--text-muted)}
.mega-category:hover{background:var(--green-soft);border-color:rgba(27,91,66,.1);transform:translateY(-2px)}
.mega-category:hover strong{color:var(--brand-green)}
.mega-col-extras{display:flex;flex-direction:column;gap:14px}
.mega-extras-card{flex:1;background:var(--green-soft);border-radius:16px;padding:20px;display:flex;flex-direction:column;justify-content:center}
.mega-extras-btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 20px;
  border-radius:999px;background:var(--brand-green);color:#fff;font-size:13.5px;font-weight:700;
  transition:background .25s ease,transform .25s ease;
}
.mega-extras-btn:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}
.mega-extras-text{font-size:12.5px;color:var(--text-muted);margin:10px 0 0;line-height:1.6}

/* Article banner */
.article-hero{
  position:relative;background:var(--grad-hero);color:#fff;
  padding:52px 0 76px;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.12;pointer-events:none;
}
.article-hero .grid-container,.article-hero .crumb-wrap{position:relative;z-index:1}
.crumb-wrap{position:relative;z-index:1;margin-bottom:20px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:13px;color:rgba(255,255,255,.66)}
.breadcrumb a{color:rgba(255,255,255,.82);padding:4px 0}
.breadcrumb a:hover{color:#fff}
.crumb-sep{opacity:.45;margin:0 4px}
.crumb-current{color:rgba(255,255,255,.95);display:inline-block;max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;
  border:1px solid rgba(255,255,255,.22);border-radius:999px;
  font-size:12.5px;font-weight:700;background:rgba(255,255,255,.08);color:#fff;
}
.article-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.article-page-title{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.28;margin:22px 0 12px;
  max-width:940px;letter-spacing:-.01em;color:rgba(255,255,255,.98);
}
.article-hero-desc{
  font-size:16px;color:rgba(255,255,255,.7);max-width:700px;margin:0;
  line-height:1.8;
}
.article-page-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{
  display:inline-flex;align-items:center;padding:7px 14px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.9);
  border-radius:999px;
}

/* Article detail */
.article-content-shell{margin-top:-40px;position:relative;z-index:4;padding-bottom:64px}
.article-content-card{
  background:var(--bg-card);border-radius:30px;box-shadow:var(--shadow-card);
  overflow:hidden;
}
.article-meta-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px;
  padding:24px 28px;border-bottom:1px solid var(--line);background:#FBFAF6;
}
.meta-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.meta-item b{color:var(--text-main);font-weight:700}
.meta-icon{
  display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;
  border-radius:9px;background:var(--green-soft);color:var(--brand-green);font-size:12px;font-weight:800;
}
.article-cover-wrap{padding:28px 28px 0}
.article-cover{
  margin:0;overflow:hidden;border-radius:22px;background:var(--green-soft);
  display:block;position:relative;aspect-ratio:16/7;
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-main-body{padding:36px 6vw 56px}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.95;color:var(--text-main)}
.article-body p{margin:0 0 1.6em}
.article-body h2{
  font-size:27px;line-height:1.4;font-weight:800;color:var(--brand-deep);
  margin:2em 0 .8em;padding-top:.2em;position:relative;
}
.article-body h2::before{content:"";display:block;width:34px;height:4px;border-radius:4px;background:var(--brand-green);margin-bottom:12px}
.article-body h3{font-size:21px;line-height:1.5;color:var(--brand-deep);margin:1.8em 0 .7em;font-weight:800}
.article-body ul,.article-body ol{margin:0 0 1.6em;padding-left:1.2em}
.article-body li{margin-bottom:.45em}
.article-body blockquote{
  margin:1.8em 0;padding:20px 24px;border-left:4px solid var(--gold);
  background:var(--bg-warm);border-radius:6px 16px 16px 6px;color:var(--text-main);
}
.article-body blockquote p{margin:0 0 .6em}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px}
.article-body a{color:var(--brand-green);font-weight:600;border-bottom:1px dashed rgba(27,91,66,.5);transition:border-color .2s ease}
.article-body a:hover{border-bottom-color:var(--brand-green)}
.article-bottom-bar{
  display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:30px;margin-top:42px;
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 32px;
  background:var(--grad-cta);color:#fff;font-weight:700;font-size:14.5px;border-radius:999px;
  box-shadow:0 12px 24px -12px rgba(229,111,58,.6);transition:all .25s ease;
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(198,81,34,.55)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 28px;
  background:#fff;border:1px solid var(--brand-green);color:var(--brand-green);
  font-weight:700;font-size:14px;border-radius:999px;transition:all .25s ease;
}
.btn-outline:hover{background:var(--brand-green);color:#fff;transform:translateY(-2px)}

/* Guidebar */
.post-guidebar{
  background:var(--green-soft);border-radius:22px;padding:22px 26px;margin:30px 0 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.post-guidebar-copy strong{display:block;font-size:15px;color:var(--brand-deep);margin-bottom:4px}
.post-guidebar-copy span{font-size:13px;color:var(--text-muted);line-height:1.6}

/* Related cards */
.related-section{padding:76px 0 88px;background:#EEE8DC;border-top:1px solid var(--line)}
.related-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.related-section-head h2{font-size:32px;margin:0 0 6px;font-weight:800;color:var(--brand-deep);line-height:1.35}
.related-section-head p{margin:0;color:var(--text-muted);font-size:14px}
.related-cards{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}
.related-card{
  background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.related-card-img{aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--green-soft)}
.related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.related-card:hover .related-card-img img{transform:scale(1.04)}
.related-card-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.related-card-body .card-label{font-size:12px;font-weight:700;color:var(--brand-green);background:var(--green-soft);display:inline-block;padding:4px 12px;border-radius:8px;width:max-content;margin-bottom:10px}
.related-card-body h3{font-size:19px;font-weight:800;color:var(--text-main);margin:0 0 8px;line-height:1.4}
.related-card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin:0 0 16px}
.related-card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13px;color:var(--brand-green);width:max-content}
.related-card-link svg{width:14px;height:14px;transition:transform .25s ease}
.related-card-link:hover svg{transform:translateX(4px)}
.related-card-wide{grid-column:1/-1;display:grid;grid-template-columns:220px 1fr auto;gap:24px;align-items:center;border-top:3px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-card-border) border-box;border-radius:22px}
.related-card-wide .wide-img{aspect-ratio:16/10;height:100%;min-height:150px;margin:12px;border-radius:14px;overflow:hidden}
.related-card-wide .wide-body{display:block;padding:16px 0 12px}
.related-card-wide .related-card-link{margin-top:0}

/* Article empty state */
.not-found-wrap{padding:5vw}
.not-found-card{text-align:center;max-width:520px;margin:auto;padding:56px 24px}
.not-found-card strong{display:block;font-size:17px;color:var(--text-main);margin-top:18px}
.not-found-card p{color:var(--text-muted);font-size:14.5px;margin:10px 0 26px}
.not-found-404{font-size:76px;font-weight:800;line-height:1;background:linear-gradient(135deg,#C5A36B,#E56F3A);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.8);padding:68px 0 0;margin-top:0}
.footer-col{margin-bottom:30px}
.footer-brand-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:27px;font-weight:800}
.footer-brand-logo:hover{color:#fff}
.footer-brand-logo .brand-mark{width:42px;height:42px;border-radius:13px;background:rgba(255,255,255,.12);color:var(--gold)}
.footer-about{color:rgba(255,255,255,.62);font-size:13px;line-height:1.9;margin:18px 0 12px}
.footer-disclaimer{color:rgba(255,255,255,.36);font-size:12px;line-height:1.7;border-top:1px solid rgba(255,255,255,.08);padding-top:12px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin:12px 0 14px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(255,255,255,.62);font-size:13.5px;transition:color .25s ease,padding-left .25s ease;display:inline-block}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact-item{display:flex;gap:10px;align-items:flex-start;margin-bottom:14px;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-contact-item i{
  display:inline-flex;width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.09);
  align-items:center;justify-content:center;color:var(--gold);font-style:normal;font-weight:700;font-size:13px;flex-shrink:0;margin-top:2px;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:24px 0;border-top:1px solid rgba(255,255,255,.07);color:rgba(255,255,255,.34);
  font-size:12px;margin-top:12px;
}

/* Responsive */
@media (max-width:1100px){
  .nav-toggle-btn{display:inline-flex}
  .main-nav{
    display:block;width:100%;position:absolute;top:calc(100% - 4px);right:0;left:0;
    background:var(--bg-card);border-radius:20px;box-shadow:0 30px 60px -24px rgba(13,53,40,.32);
    padding:14px;opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
  }
  .nav-toggle:checked~.main-nav{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{display:block}
  .nav-item.is-active .nav-link::after{display:none}
  .nav-link{display:flex;align-items:center;justify-content:space-between;padding:13px 16px}
  .nav-item.is-active .nav-link{background:var(--green-soft);border-radius:12px}
  .has-mega{position:relative}
  .mega-panel{
    position:static;transform:none;width:100%;opacity:1;visibility:visible;box-shadow:none;
    background:var(--bg-warm);padding:16px;border-radius:16px;margin-top:8px;
  }
  .has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{transform:none}
  .mega-link-grid{grid-template-columns:1fr}
  .nav-cta-btn{display:none}
  .related-cards{grid-template-columns:1fr}
  .related-card-wide{grid-template-columns:1fr;grid-column:auto}
  .related-card-wide .wide-img{margin:14px 14px 0}
  .related-card-wide .wide-body{padding-bottom:20px}
}
@media (max-width:880px){
  .article-hero{padding:36px 0 68px}
  .article-content-shell{margin-top:-26px}
  .article-main-body{padding:28px 20px 44px}
  .article-body{font-size:16.3px}
  .related-section-head{flex-direction:column;align-items:flex-start}
  .article-meta-bar{padding:18px 18px}
  .article-cover-wrap{padding:16px 16px 0}
}
@media (max-width:640px){
  .grid-container{padding-inline:.9rem}
  .brand-title{font-size:18px}
  .brand-mark{width:34px;height:34px}
  .article-page-title{font-size:30px}
  .article-content-card{border-radius:22px}
  .article-main-body{padding:22px 0 38px}
  .article-cover-wrap{padding:12px 12px 0}
  .article-cover{aspect-ratio:16/9;border-radius:14px}
  .article-body h2{font-size:22px}
  .article-meta-bar{gap:10px 14px;padding:16px}
  .article-meta-bar .meta-item{width:100%}
  .crumb-current{max-width:140px}
  .footer-col{padding-inline:1.25rem}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root {
  --bg-warm: #F5F1E8;
  --bg-card: #FFFFFF;
  --brand-green: #1B5B42;
  --brand-deep: #0D3528;
  --green-soft: #E5EFE9;
  --brand-orange: #E56F3A;
  --orange-deep: #C65122;
  --gold: #C5A36B;
  --text-main: #1F2A24;
  --text-muted: #677A71;
  --line: #E7DFD0;
  --grad-hero: linear-gradient(135deg, #0D3528 0%, #174633 45%, #1B5B42 100%);
  --grad-cta: linear-gradient(135deg, #F28A4B 0%, #E56F3A 45%, #C65122 100%);
  --grad-card-border: linear-gradient(135deg, #C5A36B, #E56F3A);
  --shadow-card: 0 1px 2px rgba(13, 53, 40, .05), 0 4px 14px rgba(13, 53, 40, .06);
  --shadow-hover: 0 20px 40px -20px rgba(13, 53, 40, .24);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-warm);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "MiSans", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 15.5px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
button { font-family: inherit; }
.container, .grid-container { max-width: 1200px; }
::selection { background: var(--green-soft); color: var(--brand-deep); }
:focus-visible { outline: 3px solid rgba(229, 111, 58, .55); outline-offset: 2px; border-radius: 4px; }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 999; background: var(--brand-deep); color: #fff; padding: 8px 16px; border-radius: 999px; transition: top .25s ease; }
.skip-link:focus { top: 18px; color: #fff; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 252, .96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(231, 223, 208, .8);
}
.site-header .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  position: relative;
  flex-wrap: wrap;
  padding-right: 16px;
  padding-left: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand-deep);
  color: #F6D9B0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-title { display: flex; flex-direction: column; line-height: 1.2; font-weight: 800; font-size: 18px; color: var(--brand-deep); }
.brand-title small { font-size: 10.5px; font-weight: 500; letter-spacing: .05em; color: var(--text-muted); margin-top: 2px; line-height: 1.4; }
.nav-toggle, .nav-toggle-btn { display: none; }
.main-nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  padding: 10px 13px;
  border-radius: 999px;
  line-height: 1.3;
}
.nav-link svg { width: 12px; height: 8px; opacity: .7; margin-top: 2px; }
a.nav-link:hover { color: var(--brand-green); background: var(--green-soft); }
.nav-item.is-active > a.nav-link, .nav-item.is-open > .catalog-trigger {
  color: var(--brand-green);
  font-weight: 700;
  box-shadow: inset 0 -3px 0 var(--brand-green);
  background: transparent;
}
.catalog-trigger { cursor: pointer; user-select: none; }
.nav-item.has-mega .catalog-trigger {
  background: var(--green-soft);
  border-radius: 999px;
  width: auto;
}
.nav-item.has-mega.is-open .catalog-trigger {
  background: var(--green-soft);
  border-radius: 999px;
}
/* mega panel */
.mega-panel {
  position: absolute;
  left: 50%;
  top: calc(100% + 0px);
  transform: translateX(-50%) translateY(0);
  width: min(760px, calc(100vw - 32px));
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .24s ease, visibility .24s ease, transform .24s ease;
  z-index: 99;
}
.nav-item.has-mega:hover .mega-panel,
.nav-item.has-mega:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(6px);
}
.mega-col-links { padding-right: 14px; }
.mega-title { font-size: 12px; letter-spacing: .1em; color: var(--text-muted); font-weight: 700; text-transform: uppercase; margin-bottom: 14px; }
.mega-link-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mega-category {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: #fbf8f2;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 14px;
  transition: all .25s ease;
}
.mega-category strong { font-size: 15px; color: var(--brand-deep); font-weight: 800; }
.mega-category span { font-size: 12.5px; color: var(--text-muted); line-height: 1.5; }
.mega-category:hover { background: var(--green-soft); border-color: rgba(27,91,66,.22); transform: translateY(-2px); box-shadow: 0 12px 20px -16px rgba(13,53,40,.45); }
.mega-category.is-current { background: var(--green-soft); border: 1px solid var(--brand-green); box-shadow: inset 3px 0 0 var(--brand-green); }
.mega-category.is-current strong { color: var(--brand-green); }
.mega-col-extras { padding-left: 8px; }
.mega-extras-card {
  background: linear-gradient(150deg, #f8f3e9 0%, #f2f6f0 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.mega-title.light { color: var(--brand-deep); }
.mega-copy { font-size: 13px; color: var(--text-muted); margin: 10px 0 16px; line-height: 1.7; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 22px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn-primary { background: var(--grad-cta); color: #fff; box-shadow: 0 12px 20px -12px rgba(229, 111, 58, .7); }
.btn-primary:hover { transform: translateY(-2px) translateX(2px); background: var(--orange-deep); color: #fff; box-shadow: 0 16px 26px -14px rgba(198, 81, 34, .8); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--brand-deep); transform: translateY(-2px); }
.btn-soft { background: var(--green-soft); color: var(--brand-deep); }
.btn-soft:hover { background: var(--brand-green); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-arrow { display: inline-flex; align-items: center; gap: 6px; }

/* Category hero */
.cat-hero {
  position: relative;
  min-height: 320px;
  padding: 72px 0 72px;
  color: #fff;
  background-image: linear-gradient(105deg, rgba(13,53,40,.98), rgba(23,70,51,.88)), url(/assets/images/backpic/back-1.webp);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.cat-hero .hero-content { position: relative; z-index: 2; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 22px; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #F6D9B0; }
.breadcrumb .crumb-divider { opacity: .5; }
.cat-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #F6D9B0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.cat-hero h1 {
  font-size: clamp(34px, 5.2vw, 52px);
  line-height: 1.16;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  color: #fff;
}
.cat-hero h1 .text-orange { color: #F09862; }
.cat-hero-lead {
  font-size: 16px;
  line-height: 1.8;
  max-width: 720px;
  color: rgba(255,255,255,.85);
  margin: 0 0 26px;
}
.cat-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Section */
.cat-section { padding: 96px 0; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--brand-green);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--brand-orange); border-radius: 4px; display: inline-block; }
.section-eyebrow.centered { justify-content: center; }
.section-eyebrow.centered::after { content: ""; width: 28px; height: 2px; background: var(--brand-orange); border-radius: 4px; display: inline-block; }
.section-title {
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.28;
  color: var(--brand-deep);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
.section-sub { color: var(--text-muted); font-size: 16px; max-width: 800px; line-height: 1.8; margin: 0 0 40px; }

/* Feature editorial */
.cat-feature-intro { background: var(--bg-warm); }
.feature-row { display: flex; align-items: center; }
.feature-media { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-card); position: relative; }
.feature-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform .8s ease; }
.feature-media:hover img { transform: scale(1.03); }
.feature-copy { padding-left: 34px; }
.feature-copy h2 { font-size: clamp(24px, 2.6vw, 32px); font-weight: 800; color: var(--brand-deep); line-height: 1.35; margin: 10px 0 14px; }
.feature-copy p { color: var(--text-muted); margin: 0 0 16px; }
.tick-list { list-style: none; margin: 18px 0 0; padding: 0; }
.tick-list li { position: relative; padding-left: 28px; margin: 12px 0; color: var(--text-main); font-weight: 500; }
.tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--green-soft);
  border-radius: 50%;
  display: block;
}
.tick-list li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 9px;
  width: 6px;
  height: 9px;
  border: solid var(--brand-green);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.feature-reverse .feature-copy { padding-left: 0; padding-right: 34px; order: 0; }
.feature-reverse .feature-media { order: 1; }

/* Topic highlight */
.topic-highlight { background: var(--card-bg, #fff); }
.topic-highlight-grid { display: flex; flex-wrap: wrap; gap: 20px; }
.topic-main-card {
  flex: 0 0 calc(58.333% - 10px);
  border-radius: 28px;
  background: var(--bg-warm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.topic-main-card:hover, .topic-small-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.topic-main-card .topic-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.topic-main-card .topic-content { padding: 20px 24px 28px; }
.topic-label {
  display: inline-block;
  color: var(--brand-green);
  background: var(--green-soft);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
  margin-bottom: 12px;
}
.topic-main-card h3 { font-size: 22px; font-weight: 800; margin: 0 0 8px; color: var(--brand-deep); }
.topic-main-card p { margin: 0; color: var(--text-muted); font-size: 14.5px; line-height: 1.7; }
.topic-side-col { flex: 1 1 0; display: flex; flex-direction: column; gap: 20px; min-width: 280px; }
.topic-small-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative;
}
.topic-small-card .no-mark {
  font-size: 13px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: .06em;
  margin-bottom: 6px;
  display: inline-block;
}
.topic-small-card h4 { font-size: 17px; font-weight: 800; margin: 0 0 8px; color: var(--brand-green); }
.topic-small-card p { margin: 0; font-size: 13.5px; color: var(--text-muted); line-height: 1.7; }
.topic-media img { width: 100%; height: 160px; object-fit: cover; border-radius: 16px; margin-bottom: 12px; }

/* Pill tags */
.tag-strip { padding: 20px 0 0; }
.tag-strip h3 { font-size: 18px; font-weight: 800; color: var(--brand-deep); margin: 0 0 16px; }
.pill-group { display: flex; flex-wrap: wrap; gap: 10px; }
.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 15px;
  border-radius: 999px;
  transition: all .25s ease;
}
.pill-tag:hover { background: var(--brand-green); color: #fff; border-color: var(--brand-green); transform: translateY(-1px); }
.pill-tag:focus { outline: 2px solid var(--brand-orange); outline-offset: 2px; background: var(--brand-green); color: #fff; }

/* Metrics */
.topic-metrics {
  background: var(--brand-deep);
  color: rgba(255,255,255,.9);
  padding: 64px 0;
}
.metric-row { display: flex; flex-wrap: wrap; gap: 20px; }
.metric-item {
  flex: 1 1 0;
  min-width: 240px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px;
  padding: 26px;
  backdrop-filter: blur(4px);
}
.metric-item i { font-style: normal; font-size: 28px; font-weight: 800; color: #F1C383; display: block; margin-bottom: 10px; }
.metric-item strong { font-size: 17px; color: #fff; display: block; margin-bottom: 6px; }
.metric-item span { font-size: 13px; color: rgba(255,255,255,.62); line-height: 1.65; display: block; }

/* Workflow */
.workflow-section { background: var(--green-soft); }
.workflow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card {
  position: relative;
  background: #fff;
  padding: 28px 24px;
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
  overflow: hidden;
}
.step-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--grad-card-border);
}
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.step-no { font-size: 12px; color: var(--orange-deep); font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.step-card h3 { font-size: 19px; font-weight: 800; color: var(--brand-deep); margin: 8px 0 10px; }
.step-card p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.7; }

/* FAQ */
.faq-section { background: var(--bg-warm); }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 14px;
  padding: 4px 20px;
  transition: border-color .25s ease, box-shadow .25s ease;
  position: relative;
}
.faq-item[open] { border-left: 4px solid var(--brand-green); box-shadow: var(--shadow-card); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
  font-size: 16px;
  color: var(--brand-deep);
  padding: 16px 0;
  line-height: 1.5;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon { width: 24px; height: 24px; min-width: 24px; border-radius: 50%; background: var(--green-soft); position: relative; }
.faq-item summary .faq-icon::before, .faq-item summary .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; background: var(--brand-green); transform: translate(-50%, -50%); border-radius: 3px; }
.faq-item summary .faq-icon::before { width: 10px; height: 2px; }
.faq-item summary .faq-icon::after { width: 2px; height: 10px; transition: transform .2s ease; }
.faq-item[open] summary .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer { padding: 0 20px 20px 0; color: var(--text-muted); font-size: 14.5px; line-height: 1.8; }

/* Cross CTA */
.cross-cta { padding: 88px 0; }
.cross-cta-inner {
  background: var(--bg-card);
  border-radius: 34px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  padding: 52px;
  position: relative;
  overflow: hidden;
}
.cross-cta-inner::after {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(229,111,58,.12), transparent 66%);
  pointer-events: none;
}
.cross-title { font-size: clamp(23px, 2.4vw, 30px); font-weight: 800; color: var(--brand-deep); margin: 0 0 8px; }
.cross-sub { color: var(--text-muted); margin: 0 0 30px; max-width: 680px; }
.cross-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.cross-card {
  background: #fbf8f2;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: all .25s ease;
}
.cross-card:hover { background: var(--green-soft); transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(27,91,66,.25); }
.cross-card.is-current { background: var(--brand-green); border-color: var(--brand-green); color: #fff; box-shadow: 0 18px 30px -18px rgba(13,53,40,.5); }
.cross-card.is-current strong { color: #fff; }
.cross-card strong { color: var(--brand-deep); font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.cross-card span { color: var(--text-muted); font-size: 12.5px; margin-bottom: 10px; line-height: 1.5; }
.cross-card.is-current span { color: rgba(255,255,255,.75); }
.cross-card .cross-link { font-size: 13px; color: var(--brand-orange); font-weight: 700; margin-top: auto; display: inline-block; }
.cross-card .cross-link:hover { color: var(--orange-deep); }

/* Footer */
.site-footer {
  background: var(--brand-deep);
  color: rgba(255,255,255,.72);
  padding: 64px 0 28px;
  font-size: 14px;
}
.footer-brand-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand-logo .brand-mark { background: rgba(255,255,255,.08); color: #F1C383; }
.footer-about { margin: 0 0 16px; line-height: 1.8; font-size: 13.5px; color: rgba(255,255,255,.62); }
.footer-disclaimer { margin: 0; font-size: 12px; color: rgba(255,255,255,.45); line-height: 1.6; border-left: 2px solid var(--gold); padding-left: 10px; }
.footer-title { color: #fff; font-size: 14px; font-weight: 800; margin-bottom: 14px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: 9px 0; }
.footer-links a { color: rgba(255,255,255,.62); font-size: 13.5px; }
.footer-links a:hover { color: #F6D9B0; padding-left: 3px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin: 12px 0; font-size: 13.5px; color: rgba(255,255,255,.65); }
.footer-contact-item i {
  width: 30px;
  height: 30px;
  min-width: 30px;
  font-style: normal;
  background: rgba(255,255,255,.08);
  border-radius: 9px;
  color: #F1C383;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 44px;
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,.45);
}
.footer-bottom span { display: inline-flex; align-items: center; gap: 6px; }

/* Responsive */
@media (max-width: 1023px) {
  .nav-inner { flex-wrap: wrap; }
  .nav-toggle-btn {
    display: flex;
    width: 42px;
    height: 42px;
    margin-left: auto;
    position: relative;
    z-index: 100;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 12px;
  }
  .nav-toggle-btn span { position: relative; width: 18px; height: 2px; background: var(--brand-deep); border-radius: 3px; display: block; transition: background .25s ease; }
  .nav-toggle-btn span::before, .nav-toggle-btn span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--brand-deep); border-radius: 3px; transition: transform .25s ease, top .25s ease; }
  .nav-toggle-btn span::before { top: -6px; }
  .nav-toggle-btn span::after { top: 6px; }
  .nav-toggle:checked + .nav-toggle-btn span { background: transparent; }
  .nav-toggle:checked + .nav-toggle-btn span::before { top: 0; transform: rotate(45deg); }
  .nav-toggle:checked + .nav-toggle-btn span::after { top: 0; transform: rotate(-45deg); }
  .main-nav {
    display: none;
    width: 100%;
    flex-basis: 100%;
    background: #fff;
    border-radius: 18px;
    box-shadow: var(--shadow-hover);
    margin-top: 12px;
    padding: 12px;
    position: relative;
  }
  .nav-toggle:checked ~ .main-nav { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-item { width: 100%; }
  .nav-link { width: 100%; border-radius: 12px; padding: 11px 14px; }
  .nav-item.is-active > a.nav-link, .nav-item.is-open > .catalog-trigger { box-shadow: none; background: var(--green-soft); }
  .catalog-trigger { justify-content: space-between; }
  .has-mega { position: static; }
  .mega-panel {
    position: static;
    transform: none;
    width: 100%;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    border-radius: 14px;
    margin-top: 10px;
    display: none;
  }
  .is-open .mega-panel { display: block; width: 100%; }
  .nav-item.has-mega:hover .mega-panel,
  .nav-item.has-mega:focus-within .mega-panel { transform: none; }
  .mega-col-extras, .mega-col-links { padding: 0; }
  .mega-title { margin-top: 4px; }
  .site-footer .grid-margin-x { margin-bottom: 10px; }
  .cat-hero { min-height: 360px; padding: 54px 0 54px; }
  .feature-copy { padding-left: 0; padding-top: 20px; }
  .feature-reverse .feature-copy { padding-right: 0; padding-bottom: 20px; }
  .workflow-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .cross-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .navigation-mode-desktop .main-nav { display: block; }
}
@media (max-width: 767px) {
  .cat-section { padding: 64px 0; }
  .topic-main-card { flex-basis: 100%; min-width: 100%; }
  .topic-side-col { flex: 1 1 100%; }
  .cross-cta-inner { padding: 28px 20px; }
  .cross-grid { grid-template-columns: 1fr; }
  .metric-row { gap: 12px; }
  .metric-item { min-width: 100%; }
  .faq-item { padding: 4px 14px; }
  .faq-item summary { font-size: 15px; }
}
@media (max-width: 520px) {
  .brand-title { font-size: 16px; }
  .brand-title small { font-size: 9px; letter-spacing: 0; }
  .cat-hero h1 { font-size: 34px; }
  .cat-hero .btn { width: 100%; }
  .cat-hero-actions { width: 100%; flex-direction: column; }
  .cat-hero-actions .btn { justify-content: center; }
  .footer-links { font-size: 13px; }
  .cross-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .brand-mark { width: 30px; height: 30px; border-radius: 9px; }
}

/* roulang page: category3 */
:root {
    --bg-warm: #F5F1E8;
    --bg-card: #FFFFFF;
    --brand-green: #1B5B42;
    --brand-deep: #0D3528;
    --green-soft: #E5EFE9;
    --brand-orange: #E56F3A;
    --orange-deep: #C65122;
    --gold: #C5A36B;
    --text-main: #1F2A24;
    --text-muted: #677A71;
    --line: #E7DFD0;
    --grad-hero: linear-gradient(135deg,#0D3528 0%,#174633 45%,#1B5B42 100%);
    --grad-cta: linear-gradient(135deg,#F28A4B 0%,#E56F3A 45%,#C65122 100%);
    --grad-card-border: linear-gradient(135deg,#C5A36B,#E56F3A);
    --font-sans: -apple-system,BlinkMacSystemFont,"PingFang SC","MiSans","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --shadow-card: 0 1px 2px rgba(13,53,40,.05),0 4px 14px rgba(13,53,40,.06);
    --shadow-hover: 0 20px 40px -20px rgba(13,53,40,.24);
  }
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--bg-warm);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 15.5px;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: inline-block; vertical-align: middle; }
  a { color: inherit; text-decoration: none; transition: color .22s ease, background .22s ease, border-color .22s ease, box-shadow .22s ease, transform .22s ease; }
  ul { list-style: none; margin: 0; padding: 0; }
  p { margin: 0 0 16px; }
  a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid rgba(229,111,58,.55); outline-offset: 2px; border-radius: 8px; }

  .top-strip {
    background: var(--green-soft);
    color: var(--brand-deep);
    font-size: 13px;
    letter-spacing: .2px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(27,91,66,.12);
  }
  .top-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 24px; }
  .top-strip span { display: inline-flex; align-items: center; gap: 7px; }
  .top-strip i {
    width: 5px; height: 5px; border-radius: 99px; background: var(--brand-orange);
    display: inline-block;
  }
  .top-strip a { color: var(--brand-green); font-weight: 600; }
  .top-strip a:hover { color: var(--orange-deep); }

  .site-header {
    background: rgba(245,241,232,.94);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 80;
    box-shadow: 0 1px 0 rgba(27,91,66,.08);
    transition: box-shadow .25s ease;
  }
  .site-header .nav-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    min-height: 72px;
    max-width: 1200px;
  }
  .brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
  .brand-mark {
    width: 40px; height: 40px; border-radius: 13px; display: inline-flex; align-items: center; justify-content: center;
    background: var(--grad-hero); color: #fff; box-shadow: 0 10px 18px -10px rgba(13,53,40,.7);
  }
  .brand-mark svg { width: 22px; height: 22px; }
  .brand-title { font-weight: 800; font-size: 20px; line-height: 1.2; color: var(--brand-deep); letter-spacing: .2px; display: flex; flex-direction: column; }
  .brand-title small { font-size: 11px; font-weight: 500; color: var(--text-muted); margin-top: 2px; letter-spacing: 1.2px; }
  .main-nav { margin-left: auto; }
  .nav-list { display: flex; align-items: center; gap: 6px; }
  .nav-item { position: relative; border-radius: 999px; }
  .nav-link {
    display: inline-flex; align-items: center; gap: 6px; padding: 10px 15px; font-size: 15px; font-weight: 600;
    color: var(--text-main); border-radius: 999px; position: relative;
  }
  .nav-link svg { width: 12px; height: 12px; transition: transform .25s ease; }
  .nav-item.is-active .nav-link,
  .nav-link:hover { color: var(--brand-green); background: var(--green-soft); }
  .nav-item.is-active .nav-link { font-weight: 700; }
  .nav-item.is-active .nav-link::after { content: ""; position: absolute; left: 50%; bottom: 3px; width: 20px; height: 3px; transform: translateX(-50%); border-radius: 4px; background: var(--brand-orange); }
  .catalog-trigger { cursor: default; }
  .catalog-current .nav-link { background: var(--green-soft); color: var(--brand-green); }
  .nav-item.has-mega:hover .catalog-trigger svg,
  .nav-item.has-mega:focus-within .catalog-trigger svg { transform: rotate(180deg); }
  .has-mega { position: static; }

  .mega-panel {
    position: absolute; left: 50%; top: calc(100% + 14px); width: min(1040px, 92vw);
    transform: translateX(-50%); background: #fff; border: 1px solid rgba(197,163,107,.4);
    border-radius: 20px; padding: 24px;
    box-shadow: 0 30px 60px -25px rgba(13,53,40,.25);
    opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .24s ease, visibility .2s;
    z-index: 75; pointer-events: none;
  }
  .nav-item.has-mega:hover .mega-panel,
  .nav-item.has-mega:focus-within .mega-panel {
    opacity: 1; visibility: visible; pointer-events: auto;
  }
  .mega-title { font-size: 13px; font-weight: 700; color: var(--text-muted); letter-spacing: .5px; margin-bottom: 14px; }
  .mega-link-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .mega-category {
    display: block; background: #FBF9F4; border: 1px solid var(--line); padding: 14px 15px;
    border-radius: 14px; transition: all .22s ease;
  }
  .mega-category strong { display: block; font-size: 15px; color: var(--brand-green); margin-bottom: 3px; font-weight: 700; }
  .mega-category span { display: block; font-size: 12.5px; color: var(--text-muted); line-height: 1.5; }
  .mega-category:hover { transform: translateY(-2px); border-color: rgba(27,91,66,.3); background: #fff; box-shadow: 0 12px 20px -14px rgba(13,53,40,.22); }
  .mega-category.is-active { background: var(--green-soft); border-color: rgba(27,91,66,.3); }
  .mega-category.is-active strong { color: var(--brand-deep); }
  .mega-category.is-active::before { content: "· 当前分类"; display: inline-block; background: var(--brand-green); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 99px; margin-bottom: 6px; }
  .mega-col-extras .mega-title { margin-top: 8px; }
  .mega-extras { display: flex; flex-direction: column; gap: 10px; }
  .mega-mini { display: flex; gap: 10px; align-items: center; padding: 11px 13px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
  .mega-mini .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--brand-orange); flex: 0 0 auto; }
  .mega-mini strong { font-size: 14px; color: var(--text-main); font-weight: 600; line-height: 1.4; display: block; }
  .mega-mini span { font-size: 12px; color: var(--text-muted); display: block; }
  .mega-mini:hover { border-color: rgba(229,111,58,.5); box-shadow: 0 8px 18px -14px rgba(13,53,40,.2); }
  .mega-card-solid { background: linear-gradient(135deg,rgba(229,111,58,.08),rgba(197,163,107,.14)); border: 1px dashed rgba(229,111,58,.35); border-radius: 14px; padding: 13px 14px; }
  .mega-card-solid strong { font-size: 13.5px; color: var(--orange-deep); display: block; margin-bottom: 4px; }
  .mega-card-solid span { font-size: 12px; color: var(--text-muted); line-height: 1.55; }

  .nav-toggle-btn { display: none; }
  .nav-toggle { display: none; }

  /* Common section */
  .grid-container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
  }
  .section-title-main { font-size: 32px; line-height: 1.3; font-weight: 800; color: var(--brand-deep); margin: 0 0 12px; }
  .section-subtitle-main { color: var(--text-muted); max-width: 720px; font-size: 15.5px; line-height: 1.8; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; color: var(--brand-green);
    text-transform: uppercase; letter-spacing: 1.6px; background: var(--green-soft); padding: 6px 13px; border-radius: 99px; margin-bottom: 16px;
  }
  .eyebrow.orange { background: rgba(229,111,58,.12); color: var(--orange-deep); }
  .section-sec { padding-top: 88px; padding-bottom: 96px; }

  /* Category Hero */
  .category-hero {
    position: relative;
    padding: 74px 0 66px;
    overflow: hidden;
    background: var(--grad-hero);
    color: #fff;
  }
  .category-hero::before {
    content: ""; position: absolute; inset: 0; z-index: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover; background-position: center; background-repeat: no-repeat;
    opacity: .26;
  }
  .category-hero::after {
    content: ""; position: absolute; right: -100px; top: -160px; width: 440px; height: 440px;
    background: radial-gradient(circle, rgba(229,111,58,.22), transparent 68%); z-index: 0;
  }
  .category-hero .grid-container { position: relative; z-index: 2; }
  .crumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255,255,255,.72); margin-bottom: 24px; flex-wrap: wrap; }
  .crumb a { color: rgba(255,255,255,.72); }
  .crumb a:hover { color: #fff; }
  .crumb svg { width: 13px; height: 13px; opacity: .6; }
  .crumb-current { color: #fff; opacity: .95; font-weight: 500; }
  .category-hero-tag { display: inline-flex; background: rgba(255,255,255,.12); color: #EBD6B8; font-size: 12px; letter-spacing: 1px; padding: 5px 13px; border-radius: 99px; margin-bottom: 20px; }
  .category-hero h1 {
    font-size: clamp(32px, 5vw, 48px); font-weight: 800; line-height: 1.2; margin: 0 0 16px;
    max-width: 700px; letter-spacing: 1px;
  }
  .category-hero p.lead { font-size: 17.5px; line-height: 1.9; color: rgba(255,255,255,.86); max-width: 760px; margin: 0; }
  .hero-rule { display: flex; gap: 9px; margin-top: 26px; }
  .hero-rule i { width: 44px; height: 4px; border-radius: 99px; }
  .hero-rule i:first-child { background: var(--brand-orange); }
  .hero-rule i:nth-child(2) { background: rgba(255,255,255,.3); }
  .hero-rule i:nth-child(3) { background: rgba(255,255,255,.3); }

  /* Intro content split */
  .page-section { background: var(--bg-warm); }
  .page-section.white-bg { background: #fff; }
  .cat-guide-section { padding-top: 84px; padding-bottom: 84px; }
  .guide-content-block + .guide-content-block { margin-top: 84px; }
  .guide-media { border-radius: 24px; overflow: hidden; box-shadow: 0 22px 44px -28px rgba(13,53,40,.4); min-height: 280px; }
  .guide-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .guide-tag { font-size: 12px; font-weight: 700; background: rgba(27,91,66,.14); color: var(--brand-green); display: inline-block; padding: 4px 12px; border-radius: 99px; margin-bottom: 12px; }
  .guide-tag.orange { background: rgba(229,111,58,.12); color: var(--orange-deep); }
  .guide-media { display: flex; align-items: stretch; }
  .guide-content-block h3 { font-size: 25px; font-weight: 800; color: var(--brand-deep); line-height: 1.4; margin: 0 0 16px; }
  .guide-content-block p { color: var(--text-muted); font-size: 15.5px; max-width: 580px; }
  .guide-benefit-list { margin-top: 18px; display: grid; gap: 12px; }
  .guide-benefit-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--text-main); line-height: 1.6; }
  .guide-benefit-list .li-icon { flex: 0 0 auto; width: 24px; height: 24px; border-radius: 8px; background: var(--green-soft); color: var(--brand-green); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; margin-top: 1px; }

  /* Chip tags */
  .chip-section { background: var(--bg-warm); padding: 12px 0 86px; }
  .chip-head { margin-bottom: 28px; }
  .chip-wrap { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 6px; }
  .chip-tag {
    background: #fff; border: 1px solid var(--line); padding: 10px 19px; border-radius: 999px;
    color: var(--text-main); font-size: 14px; font-weight: 500; transition: all .2s ease;
  }
  .chip-tag:hover { border-color: var(--brand-orange); color: var(--orange-deep); background: rgba(229,111,58,.05); transform: translateY(-2px); }
  .chip-tag.t-fire { background: rgba(229,111,58,.1); border-color: rgba(229,111,58,.22); color: var(--orange-deep); }
  .chip-tag.t-green { background: var(--green-soft); border-color: rgba(27,91,66,.2); color: var(--brand-green); }

  /* Metric ribbon */
  .metric-strip { background: var(--brand-deep); padding: 58px 0; color: #fff; position: relative; overflow: hidden; }
  .metric-strip::after { content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 42%; background: linear-gradient(90deg, transparent, rgba(197,163,107,.12)); pointer-events: none; }
  .metric-cell { text-align: center; position: relative; z-index: 2; }
  .metric-value { font-size: 42px; font-weight: 800; color: var(--gold); letter-spacing: 1px; line-height: 1.2; margin-bottom: 8px; }
  .metric-label { font-size: 13px; letter-spacing: 1.6px; color: rgba(255,255,255,.72); }

  /* Flow steps */
  .steps-section { background: #fff; }
  .step-eyebrow { justify-content: center; }
  .step-block-title { text-align: center; margin-bottom: 50px; }
  .step-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 24px; box-shadow: var(--shadow-card); height: 100%; transition: all .25s ease; position: relative; }
  .step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
  .step-num { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; background: var(--grad-hero); color: #fff; border-radius: 14px; font-weight: 800; font-size: 18px; box-shadow: 0 8px 16px -10px rgb(13,53,40,.6); margin-bottom: 18px; }
  .step-arrow { display: block; color: var(--gold); text-align: center; font-size: 22px; }
  .step-card h4 { font-size: 17px; font-weight: 700; color: var(--brand-deep); margin: 0 0 8px; }
  .step-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.65; margin: 0; }

  /* Faq */
  .faq-section { background: var(--bg-warm); }
  .faq-area { max-width: 850px; margin: 0 auto; }
  details.faq-item { background: #fff; border-radius: 17px; border: 1px solid var(--line); padding: 0; margin-bottom: 12px; overflow: hidden; transition: box-shadow .2s ease, border-color .2s ease; }
  details.faq-item[open] { border-color: rgba(27,91,66,.32); box-shadow: 0 12px 28px -24px rgba(13,53,40,.2); }
  details.faq-item summary {
    list-style: none; cursor: pointer; padding: 19px 24px; font-size: 16px; font-weight: 700; color: var(--text-main);
    display: flex; justify-content: space-between; gap: 18px; align-items: center; transition: color .2s ease;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 10' fill='none' stroke='%23677A71' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M1 1l8 8 8-8'/%3E%3C/svg%3E") right 24px center/18px 10px no-repeat;
  }
  details.faq-item summary::-webkit-details-marker { display: none; }
  details.faq-item[open] summary { color: var(--brand-green); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 10' fill='none' stroke='%231B5B42' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M1 1l8 8 8-8'/%3E%3C/svg%3E"); }
  details.faq-item .faq-answer { padding: 0px 24px 22px; color: var(--text-muted); font-size: 14.5px; line-height: 1.9; }
  details.faq-item .faq-answer a { color: var(--brand-green); font-weight: 700; border-bottom: 1px solid transparent; }
  details.faq-item .faq-answer a:hover { border-color: var(--brand-orange); color: var(--orange-deep); }

  /* Cross category */
  .cross-cta { background: #fff; padding-bottom: 96px; }
  .cross-card { border-radius: 22px; border: 1px solid var(--line); padding: 22px; display: flex; flex-direction: column; justify-content: space-between; min-height: 166px; background: #fff; box-shadow: var(--shadow-card); transition: all .25s ease; }
  .cross-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: rgba(229,111,58,.25); }
  .cross-icon { width: 42px; height: 42px; border-radius: 13px; background: var(--green-soft); color: var(--brand-green); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; }
  .cross-icon svg { width: 22px; height: 22px; }
  .cross-card strong { font-size: 16px; color: var(--brand-deep); }
  .cross-card span { font-size: 13px; color: var(--text-muted); margin-top: 6px; display: block; line-height: 1.65; }
  .cross-go { font-size: 13px; color: var(--brand-orange); font-weight: 700; margin-top: 16px; display: inline-flex; align-items: center; gap: 5px; }
  .cross-card.current { background: var(--green-soft); border: 1px solid rgba(27,91,66,.28); }
  .cross-card.current .cross-icon { background: var(--brand-green); color: #fff; }

  /* Footer */
  .site-footer { background: var(--brand-deep); color: rgba(255,255,255,.76); padding: 68px 0 26px; }
  .site-footer .grid-container { max-width: 1200px; }
  .footer-about { font-size: 13.5px; line-height: 1.85; max-width: 410px; margin-top: 18px; opacity: .72; }
  .footer-disclaimer { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 13px; }
  .footer-brand-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 800; color: #fff; }
  .footer-col .brand-mark { width: 34px; height: 34px; border-radius: 10px; }
  .footer-col .brand-mark svg { width: 18px; height: 18px; }
  .footer-title { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
  .footer-links li { margin-bottom: 9px; }
  .footer-links a { color: rgba(255,255,255,.66); font-size: 13.5px; }
  .footer-links a:hover { color: #fff; padding-left: 3px; }
  .footer-contact-item { display: flex; align-items: center; gap: 12px; font-size: 14px; margin-bottom: 13px; color: rgba(255,255,255,.72); }
  .footer-contact-item i { width: 28px; height: 28px; border-radius: 9px; background: rgba(255,255,255,.1); font-style: normal; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; color: var(--gold); }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 52px; padding-top: 22px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; font-size: 12.5px; color: rgba(255,255,255,.45); }
  .footer-bottom a { color: rgba(255,255,255,.6); }
  .footer-bottom a:hover { color: #fff; }

  /* Responsive */
  @media (max-width: 1024px) and (min-width: 640px) {
    .nav-inner { gap: 14px; }
    .brand-title { font-size: 17px; }
    .brand-title small { font-size: 9px; letter-spacing: .4px; }
    .nav-link { padding: 9px 10px; font-size: 14px; }
    .mega-panel { width: 92vw; left: 50%; transform: translateX(-50%); }
  }
  @media (max-width: 840px) {
    .top-strip-inner { justify-content: center; font-size: 12px; }
    .site-header .nav-inner { flex-wrap: wrap; padding-top: 13px; padding-bottom: 13px; min-height: auto; }
    .brand-title small { display: none; }
    .main-nav {
      position: fixed; top: 0; right: 0; height: 100vh; width: min(310px, 86vw);
      background: #fff; z-index: 100; margin-left: 0; box-shadow: -14px 0 36px rgba(13,53,40,.14);
      transform: translateX(105%); transition: transform .26s ease; overflow-y: auto; padding: 92px 18px 34px;
    }
    .nav-list { flex-direction: column; gap: 4px; align-items: stretch; }
    .nav-item.is-active .nav-link::after { left: 0; transform: none; top: 50%; margin-top: -2px; width: 4px; height: 4px; }
    .nav-toggle:checked ~ .main-nav { transform: translateX(0); }
    .nav-toggle-btn {
      display: inline-flex; margin-left: auto; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line);
      background: #fff; align-items: center; justify-content: center; position: relative; z-index: 110; cursor: pointer;

    }
    .nav-toggle-btn span { width: 16px; height: 2px; background: var(--brand-deep); display: block; position: relative; transition: all .15s ease; }
    .nav-toggle-btn span::before, .nav-toggle-btn span::after { content: ""; position: absolute; width: 16px; height: 2px; background: var(--brand-deep); left: 0; border-radius: 4px; transition: all .15s ease; }
    .nav-toggle-btn span::before { top: -5px; }
    .nav-toggle-btn span::after { top: 5px; }
    .nav-toggle:checked ~ .nav-toggle-btn span { background: transparent; }
    .nav-toggle:checked ~ .nav-toggle-btn span::before { top: 0; transform: rotate(45deg); background: var(--orange-deep); }
    .nav-toggle:checked ~ .nav-toggle-btn span::after { top: 0; transform: rotate(-45deg); background: var(--orange-deep); }
    .nav-items { width: 100%; }
    .nav-item .nav-link { width: 100%; font-size: 16px; }
    .has-mega { position: static; width: 100%; }
    .mega-panel {
      position: static; left: auto; top: auto; width: 100%; transform: none; box-shadow: none; opacity: 1; visibility: visible;
      border: 1px solid var(--line); border-radius: 16px; margin: 8px 0; padding: 15px; background: #FBF9F7;
      transition: none; pointer-events: auto;
    }
    .mega-link-grid { grid-template-columns: 1fr 1fr; }
    .mega-category { padding: 10px 11px; }
    .mega-category span { font-size: 11px; }
  }
  @media (max-width: 520px) {
    body { font-size: 15px; }
    .grid-container { padding-left: 18px; padding-right: 18px; }
    .section-title-main { font-size: 24px; }
    .section-sec { padding-top: 64px; padding-bottom: 72px; }
    .category-hero { padding: 50px 0; }
    .category-hero h1 { font-size: 32px; }
    .category-hero p.lead { font-size: 15.5px; }
    .metric-strip { padding: 44px 0; }
    .metric-value { font-size: 34px; }
    .metric-strip { row-gap: 29px; }
    .step-card { padding: 20px 16px; }
    .cross-card { min-height: auto; }
    .chip-wrap { gap: 8px; }
    .chip-tag { font-size: 13px; padding: 8px 13px; }
    details.faq-item summary { font-size: 15px; padding: 15px 18px; background-position: right 16px center; background-size: 15px 9px; }
    details.faq-item .faq-answer { padding: 0 18px 18px; }
    .site-footer { padding-top: 52px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
  }
  @media (max-width: 640px) {
    .met-grid{ row-gap: 24px; }
  }

/* roulang page: category4 */
:root{
    --bg-warm:#F5F1E8;
    --bg-card:#FFFFFF;
    --brand-green:#1B5B42;
    --brand-deep:#0D3528;
    --green-soft:#E5EFE9;
    --brand-orange:#E56F3A;
    --orange-deep:#C65122;
    --gold:#C5A36B;
    --text-main:#1F2A24;
    --text-muted:#677A71;
    --line:#E7DFD0;
    --grad-hero:linear-gradient(135deg,#0D3528 0%,#174633 45%,#1B5B42 100%);
    --grad-cta:linear-gradient(135deg,#F28A4B 0%,#E56F3A 45%,#C65122 100%);
    --card-shadow:0 1px 2px rgba(13,53,40,.05), 0 4px 14px rgba(13,53,40,.06);
    --card-shadow-hover:0 20px 40px -20px rgba(13,53,40,.24);
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:12px;
  }
  *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
  html,body{width:100%;overflow-x:hidden;}
  body{
    background:var(--bg-warm);
    color:var(--text-main);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","MiSans","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:15.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;}
  ul,ol{list-style:none;}
  option,select,input,button{font-family:inherit;}
  .grid-container{max-width:1200px;}

  /* 统一按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;
    line-height:1.2;border:0;cursor:pointer;white-space:nowrap;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 22px -12px rgba(198,81,34,.7);}
  .btn-primary:hover{background:var(--orange-deep);transform:translateX(2px);box-shadow:0 14px 26px -14px rgba(198,81,34,.7);}
  .btn-light{background:#fff;color:var(--brand-deep);border:1px solid rgba(255,255,255,.6);}
  .btn-light:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);}
  .btn-green{background:var(--brand-green);color:#fff;}
  .btn-green:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 22px -12px rgba(13,53,40,.55);}
  .btn:focus-visible{outline:3px solid rgba(229,111,58,.45);outline-offset:3px;}

  /* 站点导航 */
  .site-header{
    position:sticky;top:0;z-index:110;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    box-shadow:0 6px 20px -18px rgba(13,53,40,.25);
  }
  .site-header .nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;padding:6px 0;}
  .brand-mark{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--grad-hero);color:#fff;border-radius:13px;box-shadow:0 8px 18px -10px rgba(13,53,40,.7);
  }
  .brand-mark svg{width:22px;height:22px;}
  .brand-title{font-size:19px;font-weight:800;color:var(--brand-deep);letter-spacing:.2px;line-height:1.2;}
  .brand-title small{display:flex;font-size:10px;font-weight:600;color:var(--text-muted);letter-spacing:.6px;margin-top:3px;}
  .nav-toggle-btn{display:none;width:42px;height:42px;margin-left:12px;cursor:pointer;position:relative;border-radius:12px;border:1px solid var(--line);}
  .nav-toggle-btn span,.nav-toggle-btn span::before,.nav-toggle-btn span::after{position:absolute;left:10px;right:10px;height:2px;background:var(--brand-deep);border-radius:2px;transition:.25s ease;}
  .nav-toggle-btn span{top:19px;}
  .nav-toggle-btn span::before,.nav-toggle-btn span::after{content:"";margin:0;}
  .nav-toggle-btn span::before{bottom:7px;}
  .nav-toggle-btn span::after{top:7px;}
  .nav-toggle{position:absolute;width:1px;height:1px;opacity:0;clip:rect(0 0 0 0);}
  .main-nav{display:flex;align-items:center;}
  .nav-list{display:flex;align-items:center;gap:6px;}
  .nav-item{position:relative;}
  .nav-link{
    display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:999px;
    font-size:15px;font-weight:600;color:var(--text-main);transition:.25s ease;
  }
  .nav-link svg{width:10px;height:8px;opacity:.7;}
  .nav-item.is-active > .nav-link{color:var(--brand-green);font-weight:800;box-shadow:inset 0 -4px 0 var(--brand-green);}
  .nav-item.is-active > .nav-link:hover{color:var(--brand-green);}
  .catalog-trigger{background:var(--green-soft);color:var(--brand-deep);cursor:pointer;outline:none;border-radius:999px;}
  .catalog-trigger:hover{background:#d6e6dc;color:var(--brand-deep);}
  .header-cta{display:inline-flex;align-items:center;justify-content:center;margin-left:8px;padding:11px 22px;border-radius:999px;background:var(--grad-cta);color:#fff;font-weight:800;font-size:14px;transition:.25s ease;box-shadow:0 10px 20px -12px rgba(198,81,34,.7);}
  .header-cta:hover{transform:translateX(2px);background:var(--orange-deep);color:#fff;}

  /* Mega 导航 */
  .mega-panel{
    position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);
    width:860px;max-width:calc(100vw - 32px);
    background:#fff;border-radius:20px;border:1px solid var(--gold);
    box-shadow:0 26px 60px -22px rgba(13,53,40,.42);
    padding:24px;visibility:hidden;opacity:0;pointer-events:none;
    transform-origin:top center;transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
  }
  .has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{visibility:visible;opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0);}
  .has-mega:focus-within .catalog-trigger{background:#d6e6dc;}
  .mega-col-links,.mega-col-extras{padding:0 12px;}
  .mega-title{font-size:13px;font-weight:800;letter-spacing:.8px;color:var(--text-muted);margin-bottom:14px;}
  .mega-link-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .mega-category{
    display:flex;flex-direction:column;gap:6px;padding:14px 14px;border-radius:14px;
    background:#FAF8F2;border:1px solid transparent;transition:.25s ease;
  }
  .mega-category strong{font-size:15px;font-weight:800;color:var(--brand-deep);}
  .mega-category span{font-size:12.5px;color:var(--text-muted);line-height:1.55;}
  .mega-category:hover{background:var(--green-soft);border-color:rgba(27,91,66,.22);transform:translateY(-2px);}
  .mega-category.is-active{background:var(--brand-green);border-color:var(--brand-green);}
  .mega-category.is-active strong,.mega-category.is-active span{color:#fff;}
  .mega-feature-card{border-radius:16px;padding:18px;background:var(--green-soft);border:1px solid var(--line);}
  .mega-feature-card img{border-radius:10px;margin:4px 0 12px;width:100%;height:112px;object-fit:cover;}
  .mega-feature-card strong{display:block;color:var(--brand-deep);font-size:15px;margin-bottom:6px;}
  .mega-feature-card p{font-size:12.5px;color:var(--text-muted);line-height:1.6;}
  .mega-feature-card span{display:block;font-size:12.5px;color:var(--brand-orange);font-weight:700;margin-top:8px;}

  /* 页脚 */
  .site-footer{
    background:var(--brand-deep);color:rgba(255,255,255,.86);
    padding:76px 0 28px;margin-top:96px;border-top:4px solid rgba(197,163,107,.3);
  }
  .footer-brand-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800;margin-bottom:14px;}
  .footer-brand-logo .brand-mark{background:rgba(255,255,255,.12);}
  .footer-about{font-size:14px;line-height:1.75;color:rgba(255,255,255,.65);max-width:400px;margin-bottom:10px;}
  .footer-disclaimer{font-size:12px;line-height:1.7;color:rgba(255,255,255,.4);max-width:400px;}
  .footer-col{padding-bottom:30px;}
  .footer-title{font-size:14px;font-weight:800;color:#fff;margin:8px 0 14px;letter-spacing:.6px;}
  .footer-links li + li{margin-top:8px;}
  .footer-links a{color:rgba(255,255,255,.6);font-size:14px;transition:.25s ease;}
  .footer-links a:hover{color:#fff;padding-left:5px;}
  .footer-contact-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.6;}
  .footer-contact-item i{flex:0 0 30px;height:30px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.12);border-radius:10px;font-style:normal;font-size:12px;font-weight:700;color:var(--gold);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);margin-top:14px;padding-top:26px;
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:12px;color:rgba(255,255,255,.42);
  }

  /* ============ 分类页样式 ============ */
  .category-page main{background:var(--bg-warm);}

  /* 分类 Hero */
  .category-hero{
    position:relative;color:#fff;
    background-image:linear-gradient(92deg, rgba(13,53,40,.97) 0%, rgba(13,53,40,.82) 55%, rgba(27,91,66,.6) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    padding:84px 0 96px;overflow:hidden;
  }
  .category-hero::after{
    content:"";position:absolute;right:-80px;bottom:-120px;width:380px;height:380px;
    background:radial-gradient(circle, rgba(197,163,107,.3), transparent 66%);
    border-radius:50%;
  }
  .hero-inner{position:relative;z-index:2;}
  .crumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:22px;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .crumb a{color:rgba(255,255,255,.75);}
  .crumb a:hover{color:var(--gold);}
  .crumb i{font-style:normal;opacity:.6;}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);
    color:#F4ECD8;font-size:12px;font-weight:800;letter-spacing:1px;margin-bottom:16px;
  }
  .category-hero h1{font-size:44px;font-weight:800;line-height:1.25;color:#fff;letter-spacing:.5px;margin-bottom:16px;}
  .category-hero .lead{
    font-size:17px;line-height:1.85;max-width:720px;color:rgba(255,255,255,.82);margin-bottom:24px;
  }
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
  .hero-tags span{
    padding:6px 13px;border-radius:8px;background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.15);font-size:12.5px;font-weight:600;color:rgba(255,255,255,.86);
  }

  /* 通用区块容器 */
  .content-section{padding:96px 0 0;}
  .content-section.compact{padding:64px 0 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    font-size:13px;font-weight:800;color:var(--brand-orange);letter-spacing:.8px;margin-bottom:10px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-orange);border-radius:2px;}
  .section-head{margin-bottom:36px;}
  .section-head h2{font-size:32px;font-weight:800;color:var(--brand-deep);line-height:1.35;margin-bottom:12px;}
  .section-head p{font-size:16px;color:var(--text-muted);max-width:820px;line-height:1.8;}

  /* 左右交错图文区 */
  .feature-row{
    background:#fff;border-radius:var(--radius-lg);padding:20px;position:relative;
    box-shadow:var(--card-shadow);border:1px solid #FAF6EE;
    transition:transform .3s ease,box-shadow .3s ease;
    margin-bottom:44px;
  }
  .feature-row:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover);}
  .feature-media{height:100%;border-radius:var(--radius-lg);overflow:hidden;}
  .feature-media img{width:100%;height:100%;min-height:340px;object-fit:cover;transition:transform .5s ease;}
  .feature-row:hover .feature-media img{transform:scale(1.025);}
  .feature-copy{padding:32px 28px 24px;}
  .feature-copy h2{font-size:25px;font-weight:800;color:var(--brand-deep);line-height:1.45;margin-bottom:16px;}
  .feature-copy h3{font-size:18px;font-weight:700;color:var(--brand-green);margin-top:18px;margin-bottom:8px;}
  .feature-copy p{color:var(--text-muted);font-size:15px;line-height:1.85;margin-bottom:8px;}
  .feature-list{margin-top:14px;}
  .feature-list li{
    padding-left:28px;position:relative;color:var(--text-main);font-size:15px;
    margin-bottom:10px;line-height:1.7;
  }
  .feature-list li::before{
    content:"";
    position:absolute;left:3px;top:10px;width:8px;height:8px;
    border-radius:2px;background:var(--brand-green);transform:rotate(45deg);
  }
  .feature-quote{
    margin-top:16px;padding:14px 18px;background:var(--green-soft);border-left:3px solid var(--gold);
    border-radius:0 12px 12px 0;font-size:14px;color:var(--brand-deep);line-height:1.7;
  }

  /* 选题标签 */
  .topic-section{padding:90px 0 0;}
  .topic-wrapper{background:#fff;border-radius:var(--radius-lg);padding:38px;box-shadow:var(--card-shadow);}
  .pill-wall{display:flex;flex-wrap:wrap;gap:10px;}
  .pill{
    display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
    background:var(--green-soft);border:1px solid rgba(27,91,66,.14);color:var(--brand-deep);
    font-size:13.5px;font-weight:700;transition:.25s ease;cursor:default;
  }
  .pill::before{content:"";width:6px;height:6px;background:var(--brand-orange);border-radius:50%;}
  .pill:hover{background:var(--brand-green);color:#fff;border-color:var(--brand-green);transform:translateY(-2px);}

  /* 金色信息带 */
  .metric-band{
    margin-top:84px;background:var(--brand-deep);position:relative;border-radius:28px;
    padding:58px 46px;color:#fff;overflow:hidden;
  }
  .metric-band::before{
    content:"";position:absolute;left:-70px;top:-70px;width:220px;height:220px;
    background:radial-gradient(circle,rgba(197,163,107,.4),transparent 70%);
  }
  .metric-band::after{
    content:"";position:absolute;right:-50px;bottom:-90px;width:250px;height:250px;
    background:radial-gradient(circle,rgba(229,111,58,.38),transparent 70%);
  }
  .metric-head{position:relative;z-index:2;margin-bottom:36px;}
  .metric-head .eyebrow{color:var(--gold);}
  .metric-head .eyebrow::before{background:var(--gold);}
  .metric-head h2{font-size:29px;font-weight:800;color:#fff;line-height:1.4;}
  .metric-head p{color:rgba(255,255,255,.6);font-size:14px;margin-top:6px;}
  .metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative;z-index:2;}
  .metric-item{
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:20px;
    padding:28px 22px;text-align:center;backdrop-filter:blur(8px);transition:.3s ease;
  }
  .metric-item:hover{transform:translateY(-4px);border-color:rgba(197,163,107,.6);background:rgba(255,255,255,.1);}
  .metric-item strong{
    display:block;font-size:38px;font-weight:800;color:var(--gold);letter-spacing:.5px;line-height:1.15;margin-bottom:7px;
  }
  .metric-item span{font-size:14px;color:#fff;font-weight:700;}
  .metric-item small{display:block;font-size:12.5px;color:rgba(255,255,255,.55);margin-top:8px;line-height:1.6;}

  /* FAQ */
  .faq-section{max-width:920px;margin:0 auto;padding-top:96px;}
  .faq-note{
    display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;
    border:1px solid var(--line);padding:16px 22px;border-radius:16px;margin-bottom:24px;
    color:var(--text-muted);font-size:13px;line-height:1.6;box-shadow:var(--card-shadow);
  }
  .faq-list{display:grid;gap:14px;}
  details.faq-item{
    background:#fff;border:1px solid var(--line);border-radius:16px;
    transition:border-color .25s ease,box-shadow .25s ease;overflow:hidden;box-shadow:0 1px 0 rgba(13,53,40,.03);
  }
  details.faq-item[open]{border-color:rgba(27,91,66,.35);box-shadow:var(--card-shadow-hover);}
  .faq-item summary{
    cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
    gap:20px;padding:18px 22px;font-size:16px;font-weight:800;color:var(--brand-deep);line-height:1.5;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";flex:0 0 36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
    background:var(--green-soft);color:var(--brand-green);font-size:22px;font-weight:600;transition:.25s ease;
  }
  .faq-item[open] summary::after{content:"−";background:var(--brand-green);color:#fff;transform:rotate(180deg);}
  .faq-item[open] summary{border-bottom:1px dashed var(--line);}
  .faq-answer{padding:16px 22px 22px;color:var(--text-muted);font-size:14.5px;line-height:1.85;}
  .faq-answer a{color:var(--brand-orange);font-weight:700;border-bottom:1px solid rgba(229,111,58,.3);transition:.2s;}
  .faq-answer a:hover{color:var(--orange-deep);border-color:var(--orange-deep);}

  /* 分类互跳引导 CTA */
  .cross-cat-cta{padding:96px 0 12px;}
  .cta-wrap{
    background:#fff;border-radius:30px;padding:46px;box-shadow:var(--card-shadow);
    border:1px solid var(--line);position:relative;overflow:hidden;
  }
  .cta-wrap::before{
    content:"";position:absolute;top:0;left:0;right:0;height:5px;
    background:linear-gradient(90deg,var(--gold),var(--brand-orange));
  }
  .cta-wrap::after{
    content:"";position:absolute;right:-40px;bottom:-60px;width:180px;height:180px;
    background:radial-gradient(circle,rgba(27,91,66,.09),transparent 70%);
  }
  .cta-title{font-size:26px;font-weight:800;color:var(--brand-deep);line-height:1.45;margin-bottom:12px;position:relative;z-index:2;}
  .cta-desc{font-size:15px;color:var(--text-muted);line-height:1.8;margin-bottom:28px;position:relative;z-index:2;max-width:800px;}
  .related-cats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;position:relative;z-index:2;margin-bottom:28px;}
  .rel-cat{
    background:#FAF8F2;border:1px solid transparent;border-radius:16px;padding:18px 16px;
    display:block;transition:.25s ease;
  }
  .rel-cat strong{display:block;color:var(--brand-green);font-size:15px;font-weight:800;margin-bottom:5px;}
  .rel-cat span{color:var(--text-muted);font-size:12.5px;line-height:1.6;display:block;}
  .rel-cat:hover{background:var(--green-soft);transform:translateY(-3px);box-shadow:var(--card-shadow-hover);border-color:rgba(27,91,66,.2);}
  .rel-cat.is-active{background:var(--brand-green);border-color:var(--brand-green);}
  .rel-cat.is-active strong,.rel-cat.is-active span{color:#fff;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}
  .contact-note{margin-top:13px;font-size:13px;color:var(--text-muted);position:relative;z-index:2;}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .content-section{padding-top:72px;}
    .category-hero{padding:70px 0 84px;}
    .category-hero h1{font-size:37px;}
    .feature-copy{padding:24px 18px 18px;}
    .feature-media img{min-height:260px;}
    .related-cats-grid{grid-template-columns:repeat(2,1fr);}

    .nav-toggle-btn{display:block;order:3;}
    .main-nav{
      position:fixed;top:0;right:0;bottom:0;width:min(430px,88vw);background:#fff;z-index:120;
      transform:translateX(108%);transition:transform .3s ease;box-shadow:-18px 0 50px rgba(13,53,40,.2);
      border-radius:22px 0 0 22px;overflow-y:auto;padding:84px 22px 40px;
    }
    .nav-toggle:checked ~ .main-nav{transform:translateX(0);}
    .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
    .nav-item.is-active > .nav-link{box-shadow:inset 4px 0 0 var(--brand-green);background:var(--green-soft);}
    .nav-link{padding:14px 16px;border-radius:14px;justify-content:flex-start;}
    .catalog-trigger{background:#fff;border:1px solid var(--line);}
    .mega-panel{
      position:static;width:100%;transform:none;visibility:visible;opacity:1;pointer-events:auto;
      box-shadow:none;border:none;padding:8px 4px;background:transparent;
    }
    .has-mega:hover .mega-panel{transform:none;}
    .mega-link-grid{grid-template-columns:1fr;}
    .mega-col-links,.mega-col-extras{padding:0;margin-bottom:8px;}
    .mega-title{color:var(--text-muted);}
    .header-cta{margin:18px 0 0;justify-content:center;width:100%;}
  }

  @media (max-width:767px){
    .content-section{padding-top:56px;}
    .category-hero{padding:58px 0 72px;}
    .category-hero h1{font-size:31px;}
    .category-hero .lead{font-size:15.5px;}
    .section-head h2{font-size:24px;}
    .feature-row{padding:16px;border-radius:20px;}
    .feature-media img{min-height:210px;border-radius:14px;max-height:240px;}
    .feature-copy{padding:20px 4px 8px;}
    .feature-copy h2{font-size:21px;}
    .topic-wrapper{padding:26px 18px;}
    .metric-band{padding:46px 22px;border-radius:20px;}
    .metric-grid{grid-template-columns:1fr;gap:14px;}
    .metric-head h2{font-size:23px;}
    .faq-section{padding-top:72px;}
    .faq-note{flex-direction:column;align-items:flex-start;padding:14px 16px;}
    .faq-item summary{font-size:15px;padding:16px;}
    .faq-answer{padding:14px 16px 18px;}
    .cross-cat-cta{padding-top:72px;}
    .cta-wrap{padding:32px 20px;border-radius:22px;}
    .cta-title{font-size:22px;}
    .related-cats-grid{grid-template-columns:1fr;gap:10px;}
    .cta-actions .btn{width:100%;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }

  @media (max-width:520px){
    .brand-title{font-size:16px;}
    .brand-title small{font-size:9px;}
    .category-hero h1{font-size:27px;}
    .crumb{font-size:12px;}
    .hero-tags span{font-size:11.5px;padding:5px 10px;}
    .feature-list li{font-size:14px;}
    .pill{padding:8px 13px;font-size:12.5px;}
  }

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