/* roulang page: index */
:root{
  --color-ink:#1F2B27;
  --color-pine-700:#14554B;
  --color-pine-800:#0F473F;
  --color-pine-900:#0D3B35;
  --color-gold:#B6893F;
  --color-gold-soft:#E7D3AA;
  --color-paper:#F6F1E8;
  --color-card:#FFFBF4;
  --color-line:#DED7CB;
  --color-muted:#6E7974;
  --color-line-soft:#EBE4D8;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(20,40,36,0.06);
  --shadow-md:0 12px 32px rgba(20,40,36,0.10);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",SFMono-Regular,monospace;
}
html,body{overflow-x:hidden;}
body{
  background:var(--color-paper);
  color:var(--color-ink);
  font-family:var(--font-sans);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
*,*::before,*::after{box-sizing:border-box;}
img{max-width:100%;height:auto;}
a{text-decoration:none;color:inherit;transition:color .2s ease;}
a:hover{color:var(--color-gold);}
h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);line-height:1.4;}
h2{letter-spacing:.01em;}
p{margin-bottom:0;}
ul{padding-left:0;list-style:none;margin-bottom:0;}
.text-gold{color:var(--color-gold)!important;}
.text-muted-2{color:var(--color-muted)!important;}
.bg-pine{background-color:var(--color-pine-700)!important;}
.container{max-width:1200px;}
.btn{border-radius:10px;font-weight:600;padding:.68rem 1.5rem;transition:all .25s ease;letter-spacing:.02em;}
.btn-pine{
  background:var(--color-pine-700);
  border:1px solid var(--color-pine-700);
  color:#FFFDF8;
}
.btn-pine:hover,.btn-pine:focus{
  background:var(--color-pine-900);
  border-color:var(--color-pine-900);
  color:#fff;
  outline:none;
  box-shadow:0 0 0 3px rgba(182,137,63,.28);
}
.btn-line{
  background:transparent;
  border:1px solid #C5BBAC;
  color:var(--color-ink);
}
.btn-line:hover,.btn-line:focus{
  border-color:#B6893F;
  color:var(--color-pine-900);
  outline:none;
  box-shadow:0 0 0 3px rgba(182,137,63,.15);
}
.btn-gold-line{
  background:rgba(182,137,63,.08);
  border:1px solid rgba(230,205,150,.7);
  color:#F3E6CF;
}
.btn-gold-line:hover{
  background:rgba(182,137,63,.18);
  border-color:#E7D3AA;
  color:#fff;
}
.section-headline{font-family:var(--font-serif);color:var(--color-ink);font-weight:700;font-size:2rem;}
.section-label{
  font-size:.82rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--color-gold);
  font-weight:600;
  margin-bottom:10px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.section-label::before{
  content:"";
  display:inline-block;
  width:18px;height:1px;
  background:var(--color-gold);
  opacity:.7;
}
/* Header */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--color-line-soft);
  padding:12px 0;
  position:sticky;
  top:0;
  z-index:1050;
  box-shadow:0 2px 14px rgba(20,40,36,.03);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand-logo{display:flex;align-items:center;gap:10px;}
.logo-mark{
  width:38px;height:38px;border:2px solid var(--color-pine-700);
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;position:relative;background:var(--color-paper);
}
.logo-mark::before{
  content:"";
  width:10px;height:10px;
  background:var(--color-gold);
  border-radius:50%;
}
.logo-mark::after{
  content:"";
  position:absolute;
  right:-3px;top:50%;
  width:8px;height:2px;
  background:var(--color-pine-700);
  transform:translateY(-50%);
}
.brand-name{
  font-size:1.25rem;
  font-weight:700;
  color:var(--color-pine-900);
  font-family:var(--font-serif);
  letter-spacing:.01em;
  line-height:1.25;
}
.brand-sub{
  display:block;
  font-size:.68rem;
  color:var(--color-muted);
  font-weight:400;
  letter-spacing:.08em;
  font-family:var(--font-sans);
  margin-top:1px;
}
.main-nav .navbar-nav{gap:6px;align-items:center;}
.main-nav .nav-link{
  color:var(--color-ink);
  font-weight:500;
  padding:8px 16px;
  border-radius:6px;
  position:relative;
  font-size:.98rem;
  transition:color .2s,background .2s;
}
.main-nav .nav-link::after{
  content:"";
  position:absolute;
  left:16px;right:16px;
  bottom:2px;
  height:2px;
  background:var(--color-gold);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after{
  transform:scaleX(1);
}
.main-nav .nav-link:hover,.main-nav .nav-link.active{color:var(--color-pine-700);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.header-cta-btn{
  background:var(--color-pine-700);
  color:#fff;
  border:1px solid var(--color-pine-700);
  padding:.5rem 1.2rem;
  border-radius:10px;
  font-size:.95rem;
  font-weight:600;
  transition:all .2s;
  white-space:nowrap;
}
.header-cta-btn:hover{
  background:var(--color-pine-900);
  border-color:var(--color-pine-900);
  color:#fff;
}
.navbar-toggler{
  border:1px solid var(--color-line);
  padding:6px 10px;
  border-radius:8px;
  background:var(--color-paper);  
}
.navbar-toggler:focus{box-shadow:0 0 0 2px rgba(182,137,63,.3);}
.navbar-toggler i{color:var(--color-pine-700);font-size:1.2rem;}
/* Hero */
.hero-section{
  background:linear-gradient(135deg,#0D3B35 0%,#14554B 62%,#1B6257 100%);
  color:#F5EFE3;
  padding:110px 0 90px;
  position:relative;
  overflow:hidden;
}
.hero-section::before{
  content:"";
  position:absolute;
  width:400px;height:400px;
  background:radial-gradient(circle,rgba(182,137,63,.16) 0%,transparent 65%);
  right:-100px;top:-80px;
}
.hero-section::after{
  content:"";
  position:absolute;
  width:300px;height:300px;
  border:1px solid rgba(231,211,170,.13);
  right:8%;bottom:-160px;
  border-radius:50%;
}
.hero-badge{
  background:rgba(231,211,170,.13);
  border:1px solid rgba(231,211,170,.35);
  color:#E7D3AA;
  padding:5px 14px;
  border-radius:30px;
  font-size:.83rem;
  font-weight:500;
  letter-spacing:.04em;
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-bottom:1.4rem;
}
.hero-badge .dot{
  width:5px;height:5px;background:#E7D3AA;
  border-radius:50%;
  display:inline-block;
}
.hero-title{
  font-size:2.75rem;
  line-height:1.3;
  font-weight:800;
  letter-spacing:.01em;
  color:#fff;
  margin-bottom:1.1rem;
  font-family:var(--font-serif);
}
.hero-title .gold-char{color:#E7D3AA;border-bottom:2px solid rgba(231,211,170,.5);}
.hero-text{
  font-size:1.05rem;
  color:rgba(235,225,205,.92);
  max-width:520px;
  margin-bottom:2.2rem;
  line-height:1.8;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:2.5rem;}
.hero-actions .btn-line-white{
  border:1px solid rgba(255,255,255,.45);
  color:#F1EADF;
}
.hero-actions .btn-line-white:hover{
  background:rgba(255,255,255,.06);
  border-color:#E7D3AA;
  color:#fff;
}
.scroll-indicator{display:inline-flex;align-items:center;gap:8px;}
.scroll-line{width:36px;height:1px;background:rgba(255,255,255,.55);position:relative;overflow:visible;}
.scroll-line span{
  position:absolute;left:0;top:-2px;
  width:5px;height:5px;border-radius:50%;
  background:var(--color-gold-soft);
  animation:scrollDot 2s infinite;
}
@keyframes scrollDot{
  0%{left:0;opacity:.3;}
  50%{opacity:1;}
  100%{left:30px;opacity:.3;}
}
.scroll-text{font-size:.76rem;letter-spacing:.22em;color:rgba(235,225,205,.7);text-transform:uppercase;}
/* Hero figure */
.hero-visual{
  position:relative;
  min-height:360px;
}
.hero-panel{
  background:rgba(13,59,53,.55);
  border:1px solid rgba(231,211,170,.28);
  border-radius:18px;
  padding:20px;
  backdrop-filter:blur(2px);
  box-shadow:0 18px 40px rgba(0,0,0,.18);
}
.path-grid{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.path-row{
  position:relative;
  padding:12px 16px;
  background:rgba(255,255,255,.05);
  border-left:3px solid #B6893F;
  border-radius:9px;
  font-size:.9rem;
  color:#E5DDCE;
}
.path-row .node{
  font-family:var(--font-mono);
  font-size:.8rem;
  color:var(--color-gold-soft);
  margin-right:4px;
}
.path-disc{
  display:flex;
  align-items:center;
  justify-content:space-between;
  text-align:center;
  padding-top:14px;
  gap:6px;
}
.disc-item{flex:1;}
.disc-dot{width:10px;height:10px;border-radius:50%;background:var(--color-gold);margin:0 auto 6px;box-shadow:0 0 0 3px rgba(182,137,63,.18);}
.disc-label{font-size:.68rem;color:rgba(235,225,205,.7);letter-spacing:.04em;}
.hero-cover{
  margin-top:18px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid rgba(231,211,170,.3);
  box-shadow:0 12px 30px rgba(0,0,0,.25);
  position:relative;
}
.hero-cover img{width:100%;object-fit:cover;display:block;}
.hero-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(13,59,53,.22),transparent 55%);
}
.hero-bottom-note{font-size:.78rem;color:rgba(235,225,205,.55);margin-top:14px;font-family:var(--font-mono);letter-spacing:.04em;}
/* Stats bar */
.stats-bar{
  background:var(--color-card);
  border-bottom:1px solid #E8E1D5;
  padding:0;
  border-top:1px solid var(--color-line-soft);
}
.stats-row{display:flex;flex-wrap:wrap;}
.stat-item{
  flex:1;
  min-width:140px;
  padding:28px 24px;
  text-align:center;
  border-right:1px solid #ECE5D8;
}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-mono);
  font-size:2rem;
  font-weight:700;
  color:var(--color-pine-700);
  display:block;line-height:1.2;
}
.stat-label{font-size:.8rem;color:var(--color-muted);letter-spacing:.06em;margin-top:6px;}
/*理念区*/ 
.story-section{padding:100px 0;background:var(--color-paper);}
.story-grid{display:flex;gap:70px;align-items:center;}
.story-img{flex:0 0 46%;}
.story-img img{border-radius:18px;border:1px solid var(--color-line);box-shadow:var(--shadow-md);}
.story-content{flex:1;}
.story-content .section-headline{margin-bottom:20px;}
.story-text{color:#4D5A55;line-height:1.9;margin-bottom:18px;}
.story-poem{
  border-left:3px solid var(--color-gold);
  background:rgba(239,230,216,.5);
  padding:16px 24px;
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:#5E5350;
  font-size:.96rem;
  margin-top:24px;
}
.story-poem strong{color:var(--color-pine-900);font-weight:700;}
/*Service区块*/
.service-section{padding:100px 0;background:var(--color-card);}
.service-content{display:flex;gap:44px;}
.service-main-card{
  flex:1.1;
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  background:var(--color-card);
  padding:44px;
  box-shadow:var(--shadow-sm);
  border-top:4px solid var(--color-gold);
}
.service-main-card .service-icon{
  width:54px;height:54px;
  border:1px solid rgba(182,137,63,.4);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(231,211,170,.2);
  color:var(--color-pine-700);
  font-size:1.4rem;
  margin-bottom:24px;
}
.service-sub-group{flex:0 0 32%;display:flex;flex-direction:column;gap:24px;}
.service-sub-card{
  flex:1;
  background:var(--color-card);
  border:1px solid var(--color-line);
  border-bottom:3px solid rgba(182,137,63,.4);
  border-radius:var(--radius-md);
  padding:28px 26px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-sm);
}
.service-sub-card .sub-title{font-size:1.2rem;font-family:var(--font-serif);font-weight:700;color:var(--color-ink);margin-bottom:10px;}
.service-li{color:#5A6560;font-size:.9rem;margin-top:8px;}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  margin-top:auto;
  color:var(--color-pine-700);
  font-weight:600;
  font-size:.88rem;
}
.arrow-link i{transition:transform .2s;}
.arrow-link:hover i{transform:translateX(4px);}
/*步骤区*/
.access-step-section{padding:100px 0;background:var(--color-paper);}
.access-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:46px;}
.access-step{
  position:relative;
  padding:24px 28px 28px;
  background:var(--color-paper);
  border:1px solid var(--color-line);
  border-radius:0;
  min-height:290px;
}
.access-step:nth-child(odd){background:#EDE6DA;}
.access-step .step-num{
  font-family:var(--font-mono);
  font-size:1rem;
  color:var(--color-gold);
  border-bottom:2px solid var(--color-gold);
  padding-bottom:6px;
  display:inline-block;
  margin-bottom:18px;
  font-weight:700;
}
.access-step .step-title{
  font-family:var(--font-serif);
  font-size:1.4rem;
  color:var(--color-pine-900);
  margin-bottom:12px;
  font-weight:700;
}
.access-step .step-desc{color:#55645E;font-size:.92rem;line-height:1.75;}
/*news row*/
.news-section.module-news{padding:100px 0;background:var(--color-card);}
.news-row{
  padding:24px 12px;
  border-bottom:1px solid #ECE4D7;
  transition:background .2s ease;
  border-radius:12px;
}
.news-row:hover{background:#F6F0E4;}
.news-right-arrow{color:var(--color-gold);opacity:.64;}
.news-title{font-weight:600;color:var(--color-ink);font-size:1.05rem;transition:padding .2s;}
.news-row:hover .news-title{padding-left:6px;}
.news-summary{color:var(--color-muted);font-size:.9rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.badge-cate{
  background:#FBF3E2;
  color:#97723A;
  font-size:.72rem;
  font-weight:600;
  padding:4px 12px;
  border-radius:20px;
  border-left:3px solid var(--color-gold);
}
.news-date{
  font-family:var(--font-mono);
  color:var(--color-muted);
  font-size:.85rem;
}
.news-empty{
  background:transparent;
  padding:32px;
  text-align:center;
  color:var(--color-muted);
  border:1px dashed #B9AF9D;
  border-radius:12px;
}
/*信任*/
.quote-section{
  background:var(--color-pine-900);
  color:#E9DECC;
  padding:90px 0;
  position:relative;
}
.quote-section::before{
  content:"〝";
  position:absolute;
  left:5%;
  top:32px;
  font-size:8rem;
  font-family:var(--font-serif);
  color:rgba(231,211,170,.12);
  line-height:1;
}
.quote-mark{
  width:34px;height:34px;
  border:1px solid rgba(182,137,63,.5);
  transform:rotate(45deg);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:28px;
}
.quote-mark span{transform:rotate(-45deg);width:10px;height:10px;background:var(--color-gold);display:block;}
.quote-text{
  font-family:var(--font-serif);
  font-size:1.6rem;
  line-height:1.7;
  margin-bottom:26px;
  color:#F5EAD7;
  max-width:860px;
}
.quote-author{font-style:normal;color:var(--color-muted);font-size:.9rem;display:flex;align-items:center;gap:10px;}
.quote-author::after{content:"";width:60px;height:1px;background:rgba(231,211,170,.35);display:inline-block;}
.client-intro{color:var(--color-gold-soft);}
.logo-placeholder{
  display:flex;gap:20px;flex-wrap:wrap;
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:34px;
}
.logo-chip{
  color:rgba(255,255,255,.5);
  font-weight:600;
  padding:10px 24px;
  border:1px solid rgba(255,255,255,.15);
  border-radius:8px;
  font-size:.85rem;
  letter-spacing:.04em;
}
/*CTA+订阅*/
.cta-subscribe{padding:90px 0;background:var(--color-paper);}
.subscribe-card{
  background:var(--color-card);
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  padding:46px 50px;
  display:flex;
  gap:40px;
  align-items:center;
  flex-wrap:wrap;
}
.subscribe-form{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.subscribe-form .form-control{
  min-width:260px;
  background:#FFF;
  border:1px solid var(--color-line);
  border-radius:10px;
  padding:.7rem 1rem;
}
.subscribe-form .form-control:focus{
  border-color:var(--color-pine-700);
  box-shadow:0 0 0 3px rgba(20,85,75,.12);
}
/*FAQ*/
.faq-section{padding:90px 0;background:#EFE9DE;}
.faq-panel{max-width:900px;margin:0 auto;margin-top:30px;}
.faq-item {
  border-bottom:1px solid var(--color-line);
  border-radius:0;
  background:transparent;
  transition:background .2s;
}
.faq-item .accordion-button{
  background:transparent;
  box-shadow:none;
  color:var(--color-ink);
  font-size:1.02rem;
  font-weight:600;
  padding:1.2rem .4rem;
  border-radius:0;
}
.faq-item .accordion-button:not(.collapsed){
  background:transparent;
  color:var(--color-pine-800);
}
.faq-item .accordion-button::after{
  color:var(--color-gold);
}
.faq-answer{
  color:#4E5B55;
  font-size:.96rem;
  padding:0 .4rem .9rem .6rem;
  line-height:1.85;
}
.accordion-button:not(.collapsed)::after{
  filter:drop-shadow(0 0 2px rgba(182,137,63,.3));
}
.accordion-button:focus{
  box-shadow:0 0 0 2px rgba(182,137,63,.2);
}
.faq-more-link{
  margin-top:20px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--color-pine-700);
  text-decoration:underline;
  text-underline-offset:4px;
  font-weight:600;
  font-size:.95rem;
}
/*footer*/
.site-footer{background:var(--color-pine-900);color:rgba(255,255,255,.75);padding:70px 0 0;}
.footer-logo{color:#F1EADF;font-size:1.35rem;font-family:var(--font-serif);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0;
  margin-top:50px;
  background:rgba(0,0,0,.1);
}
.footer-bottom p{color:rgba(255,255,255,.5);font-size:.81rem;}
.social-icon{
  width:38px;height:38px;
  border:1px solid rgba(255,255,255,.25);
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  color:rgba(255,255,255,.7);
  font-size:.9rem;
  margin-left:8px;
  transition:all .2s;
}
.social-icon:hover{
  border-color:var(--color-gold);
  color:var(--color-gold);
}
.footer-title{
  color:#E7D3AA;
  font-size:1rem;
  font-weight:600;
  margin-bottom:18px;
}
.footer-links a{
  display:block;
  color:rgba(255,255,255,.62);
  padding:4px 0;
  font-size:.9rem;
  transition:all .2s;
}
.footer-links a::before{
  content:"·";
  color:var(--color-gold);
  margin-right:7px;
}
.footer-links a:hover{
  color:#fff;
  padding-left:3px;
}
.section-gap-sm{padding:60px 0;}
/*responsive*/
@media(max-width:1199px){
  .hero-title{font-size:2.2rem;}
  .service-content{flex-direction:column;}
  .service-main-card{padding:34px;}
  .service-sub-group{flex-direction:row;}
  .service-sub-card{min-height:auto;}
}
@media(max-width:991px){
  .navbar-collapse{
    background:var(--color-paper);
    border-radius:16px;
    padding:16px;
  }
  .navbar-collapse .nav-link{
    padding:10px 12px;
    border-bottom:1px solid var(--color-line-soft);
  }
  .navbar-collapse .nav-link::after{display:none;}
  .collapse-cta{margin-top:14px;}
  .hero-grid{align-flex:column;}
  .stories,.story-img{flex-basis:100%;}
  .stat-item{border-bottom:1px solid #EBE4D8;}
  .logo-chip{min-width:130px;text-align:center;}
}
@media(max-width:767px){
  body{font-size:15px;}
  .header{padding-top:10px;padding-bottom:10px;}
  .brand-name{font-size:1.05rem;}
  .hero-title{font-size:1.9rem;}
  .section-headline{font-size:1.5rem;}
  .section-label{letter-spacing:.1em;font-size:.76rem;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .stat-row{
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .stat-item{border-right:none;}
  .service-main-card,.service-sub-card{padding:20px;}
  .access-step-grid{align-items:stretch;}
  .quote-text{font-size:1.1rem;}
  .subscribe-card{padding:28px;}
  .subscribe-form .form-control{width:100%;}
}
@media(max-width:575px){
  .brand-name{font-size:.95rem;line-height:1.2;}
  .brand-sub{font-size:.6rem;}
  .hero-section{padding-top:70px;padding-bottom:56px;}
  .hero-title{font-size:1.5rem;}
  .story-section,.service-section,
  .access-step-section,.news-section,
  .cta-subscribe{padding:52px 0;}
  .quote-section{padding:60px 0;}
  .stats-row{grid-template-columns:1fr;}
}
.navbar-brand p{margin-bottom:0;}
#infScroll{
  display:flex;
  justify-content:center;
  padding:20px 0 4px;
}

/* roulang page: article */
:root {
  --color-ink: #1F2B27;
  --color-pine-700: #14554B;
  --color-pine-800: #10463E;
  --color-pine-900: #0D3B35;
  --color-gold: #B6893F;
  --color-gold-soft: #E7D3AA;
  --color-paper: #F6F1E8;
  --color-card: #FFFBF4;
  --color-line: #DED7CB;
  --color-line-deep: #C5BBAC;
  --color-muted: #6E7974;
  --color-white: #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(20, 40, 36, .06);
  --shadow-md: 0 12px 32px rgba(20, 40, 36, .10);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", SFMono-Regular, monospace;
  --cp-gap: 7.5rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-pine-700); text-decoration: none; transition: color .2s ease, border-color .2s ease, background-color .2s ease, box-shadow .2s ease; }
a:hover { color: var(--color-pine-900); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.4;
}
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
figure { margin: 0; }
.container { max-width: 1200px; }
.btn {
  --bs-btn-border-width: 1px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border-radius: 10px;
  font-size: 15px;
  font-family: var(--font-sans);
  padding: .72rem 1.45rem;
  line-height: 1.3;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  text-align: center;
  box-shadow: none;
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(182,137,63,.4);
}
.btn-solid {
  background: var(--color-pine-700);
  color: #F6F1E8;
  border-color: var(--color-pine-700);
}
.btn-solid:hover, .btn-solid:focus {
  background: var(--color-pine-900);
  color: #F6F1E8;
  border-color: var(--color-pine-900);
  box-shadow: 0 8px 18px rgba(13,59,53,.18);
  transform: translateY(-1px);
}
.btn-solid:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  border-color: var(--color-line-deep);
  color: var(--color-ink);
}
.btn-ghost:hover, .btn-ghost:focus {
  border-color: var(--color-gold);
  color: var(--color-pine-900);
  background: rgba(255,255,255,.4);
}
.btn-ghost-light {
  background: transparent;
  border-color: rgba(230,216,188,.62);
  color: #EFE7D8;
}
.btn-ghost-light:hover, .btn-ghost-light:focus {
  background: rgba(255,255,255,.08);
  border-color: var(--color-gold);
  color: #fff;
}
.btn-gold {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: #1F2B27;
}
.btn-gold:hover, .btn-gold:focus {
  background: #a27832;
  border-color: #a27832;
  color: #fff;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255,253,248,.96);
  border-bottom: 1px solid var(--color-line);
  box-shadow: 0 6px 18px rgba(30,44,40,.04);
  backdrop-filter: blur(4px);
}
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), rgba(182,137,63,.28) 62%, rgba(182,137,63,.06));
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
  padding: .5rem 0;
}
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  flex-shrink: 0;
}
.brand-logo-mark {
  position: relative;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(182,137,63,.7);
  border-radius: 12px;
  background: linear-gradient(145deg, var(--color-pine-900), #113f39);
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-logo-mark::after {
  content: "";
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #B6893F;
  box-shadow: 0 0 0 5px rgba(182,137,63,.24);
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--color-pine-900);
  font-family: var(--font-sans);
  white-space: nowrap;
}
.brand-tag {
  margin-top: 3px;
  font-size: 11.5px;
  color: var(--color-gold);
  letter-spacing: .08em;
}

.main-nav { display: none; gap: .4rem; align-items: center; margin: 0; }
.main-nav .nav-item-link {
  display: inline-block;
  position: relative;
  padding: .7rem .78rem;
  font-size: 15.5px;
  color: #26332f;
  border-radius: 6px;
}
.main-nav .nav-item-link:hover { color: var(--color-pine-700); }
.main-nav .nav-item-link.active { color: var(--color-pine-700); font-weight: 600; }
.main-nav .nav-item-link.active::after {
  content: "";
  position: absolute;
  left: .78rem;
  right: .78rem;
  bottom: .28rem;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
}
.main-nav .nav-item-link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(182,137,63,.3);
}
.header-actions { display: flex; align-items: center; gap: .5rem; margin-left: auto; }
.access-btn {
  background: var(--color-pine-700);
  border-color: var(--color-pine-700);
  color: #F7F2E8;
  padding: .62rem 1.22rem;
  font-size: 15px;
  border-radius: 10px;
  white-space: nowrap;
}
.access-btn:hover, .access-btn:focus {
  background: var(--color-pine-900);
  color: #fff;
  box-shadow: 0 8px 22px rgba(20,85,75,.18);
  transform: translateY(-1px);
}
.mobile-trigger {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line-deep);
  border-radius: 10px;
  background: var(--color-card);
  color: var(--color-pine-900);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  padding: 0;
}
.mobile-trigger:hover { border-color: var(--color-pine-700); background: #F2EBDE; }
.mobile-trigger:focus { box-shadow: 0 0 0 3px rgba(182,137,63,.3); }
.ham-line {
  position: relative;
  width: 18px;
  height: 2px;
  background: currentColor;
  display: inline-block;
}
.ham-line::before, .ham-line::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: all .22s ease;
}
.ham-line::before { top: -6px; }
.ham-line::after { top: 6px; }

.mobile-panel {
  background: #FFFCF6;
  border-top: 1px solid var(--color-line);
  padding: 1.2rem 1.2rem 1.6rem;
  box-shadow: 0 16px 24px rgba(20,40,36,.08);
}
.mobile-panel .mobile-nav-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}
.mobile-panel .mobile-nav-list li { border-bottom: 1px solid rgba(222,215,203,.8); }
.mobile-panel .mobile-nav-list li:last-child { border-bottom: 0; }
.mobile-panel .nav-item-link {
  display: block;
  padding: .85rem .2rem;
  font-size: 17px;
  color: var(--color-ink);
  font-weight: 500;
}
.mobile-panel .nav-item-link.active, .mobile-panel .nav-item-link:hover { color: var(--color-pine-700); }
.mobile-panel .mobile-cta {
  margin-top: 1rem;
  width: 100%;
}

@media (min-width: 992px) {
  .site-header .header-row { min-height: 80px; }
  .main-nav { display: flex; }
  .header-actions { margin-left: auto; }
  .mobile-trigger { display: none; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-pine-900);
  color: rgba(255,255,255,.82);
  margin-top: 4rem;
}
.site-footer .container { padding-top: 3rem; }
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}
.brand-logo .logo-mark {
  position: relative;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid rgba(230,211,170,.72);
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-logo .logo-mark::after {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--color-gold-soft);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(182,137,63,.18);
}
.footer-logo {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  color: #F2E9DA;
  letter-spacing: .01em;
}
.footer-title {
  font-size: 15px;
  color: #E3D5BE;
  margin: 0 0 .9rem;
  letter-spacing: .06em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .45rem;
}
.footer-links a {
  color: rgba(244,237,225,.68);
  font-size: 14px;
  line-height: 1.6;
  transition: all .2s ease;
}
.footer-links a:hover { color: #C6A76A; text-decoration: none; }
.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.7) !important;
  border-radius: 10px;
  margin-right: .4rem;
  transition: all .2s ease;
}
.social-icon:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-soft);
  background: rgba(255,255,255,.06);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.25rem 0 1.05rem;
  margin-top: 1.5rem;
  font-size: 13px;
  color: rgba(255,255,255,.58);
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(237,225,208,.85); }
.footer-bottom a:hover { color: #fff; }

/* ===== Breadcrumb ===== */
.crumb-wrap {
  margin-bottom: 1.1rem;
}
.crumb-wrap ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}
.crumb-wrap li + li::before {
  content: "·";
  margin-right: .5rem;
  color: #A59A8A;
}
.crumb-wrap a { color: var(--color-muted); }
.crumb-wrap a:hover { color: var(--color-pine-700); }
.crumb-wrap .current { color: var(--color-ink); font-weight: 500; }

/* ===== Article page hero ===== */
.article-hero {
  position: relative;
  padding: 2.5rem 0 2.2rem;
  background-color: #E8E1D5;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center 34%;
  border-bottom: 1px solid var(--color-line);
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(246,241,232,.97) 0%, rgba(246,241,232,.92) 38%, rgba(246,241,232,.5) 100%);
}
.article-hero .article-hero-inner { position: relative; z-index: 2; max-width: 1000px; margin: 0 auto; }

.post-kicker-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid rgba(182,137,63,.7);
  background: rgba(255,251,244,.7);
  color: #86641f;
  font-size: 13px;
  letter-spacing: .08em;
  padding: .14rem .85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.post-kicker-badge i { font-size: 11px; color: var(--color-gold); }

.article-h1 {
  font-size: 30px;
  line-height: 1.4;
  color: #18312B;
  margin: 0 0 1rem;
  max-width: 940px;
  word-break: break-word;
}
@media (min-width: 768px) {
  .article-h1 { font-size: 36px; }
}
.article-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.35rem;
  font-size: 14px;
  color: var(--color-muted);
  padding-top: 1rem;
  border-top: 1px dashed rgba(197,187,172,.8);
}
.article-meta-line span { display: inline-flex; align-items: center; gap: .4rem; }
.article-meta-line i { color: var(--color-gold); width: 15px; text-align: center; }
.article-meta-line .meta-cat {
  color: var(--color-pine-700);
  font-weight: 500;
}

/* ===== Article content area ===== */
.article-layout {
  padding: 2.2rem 0 1rem;
}
.article-main-card {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  background: var(--color-card);
  border: 1px solid rgba(222,215,203,.7);
  border-radius: var(--radius-lg);
  padding: 2rem 1.4rem;
  box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) {
  .article-main-card { padding: 3.2rem 3rem; }
}
@media (min-width: 992px) {
  .article-main-card { padding: 3.5rem 4.2rem 3rem; }
}

.article-cover-figure {
  overflow: hidden;
  border-radius: 18px;
  margin: 0 0 2.2rem;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-sm);
}
.article-cover-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.article-cover-figure figcaption {
  padding: .72rem 1.2rem;
  background: #F3EDDF;
  font-size: 13px;
  color: var(--color-muted);
  border-top: 1px solid var(--color-line);
}

.article-body {
  font-size: 17px;
  line-height: 1.9;
  color: #23302C;
}
.article-body > *:last-child { margin-bottom: 0; }
.article-body p { margin-bottom: 1.5em; }
.article-body h2 {
  font-size: 24px;
  margin: 2em 0 .95em;
  position: relative;
  padding-left: .8em;
  color: var(--color-pine-900);
  line-height: 1.5;
}
.article-body h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .32em;
  height: .78em;
  width: 4px;
  border-radius: 2px;
  background: var(--color-gold);
}
.article-body h3 {
  font-size: 20px;
  margin: 1.7em 0 .7em;
  color: var(--color-pine-800);
}
.article-body h4 { font-size: 17px; margin: 1.55em 0 .6em; color: var(--color-ink); }
.article-body ol, .article-body ul {
  margin-bottom: 1.5em;
  padding-left: 1.4em;
}
.article-body li { margin-bottom: .5em; }
.article-body a {
  color: var(--color-pine-700);
  text-decoration: underline;
  text-decoration-color: rgba(182,137,63,.8);
  text-underline-offset: 3px;
}
.article-body a:hover { color: var(--color-gold); }
.article-body figure { margin: 1.8em 0; }
.article-body figure img { border-radius: 14px; border: 1px solid var(--color-line); }
.article-body figcaption { font-size: 13px; color: var(--color-muted); text-align: center; padding-top: .8rem; }
.article-body blockquote {
  margin: 2rem 0;
  padding: 1.1rem 1.5rem;
  border-left: 3px solid var(--color-gold);
  border-radius: 0 12px 12px 0;
  background: #EFF2E9;
  color: #33443E;
  font-size: 15px;
}
.article-body blockquote p { margin-bottom: .4rem; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: #EDE3CE;
  color: #70480e;
  border-radius: 6px;
  padding: .1rem .35rem;
}
.article-body pre {
  background: var(--color-pine-900);
  color: #E6E9DF;
  padding: 1.2rem 1.5rem;
  border-radius: 14px;
  overflow-x: auto;
  margin: 1.8rem 0;
  font-size: 14px;
  line-height: 1.8;
  border: 1px solid rgba(230,211,170,.16);
}
.article-body pre code {
  background: none;
  color: #E8DFCE;
  padding: 0;
  font-size: inherit;
  border-radius: 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8rem 0;
  font-size: 15px;
}
.article-body table th, .article-body table td {
  border: 1px solid var(--color-line);
  padding: .7rem .85rem;
  line-height: 1.55;
}
.article-body table th { background: #E8E2D6; font-weight: 600; color: var(--color-pine-900); }
.article-body img {
  border-radius: 12px;
  margin: 1.2rem auto;
}
@media (max-width: 575px) {
  .article-body { font-size: 16px; line-height: 1.85; }
  .article-body h2 { font-size: 21px; }
  .article-body blockquote { padding: .9rem 1rem; }
}

/* ===== Post bottom nav ===== */
.article-end-line {
  margin: 2.8rem 0 1.6rem;
  border-top: 1px solid var(--color-line);
  position: relative;
}
.article-end-line::after {
  content: "";
  position: absolute;
  top: -1px;
  width: 64px;
  height: 2px;
  background: var(--color-gold);
  left: 0;
}
.post-bottom-nav {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  margin: 1.4rem 0 1rem;
}
.post-bottom-nav a {
  display: flex;
  align-items: center;
  gap: .5rem;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: #F7F0E5;
  padding: .8rem 1rem;
  color: var(--color-ink);
  font-size: 15px;
}
.post-bottom-nav a:hover {
  border-color: var(--color-gold);
  background: #FFF9EF;
  color: var(--color-pine-800);
}
@media (min-width: 768px) {
  .post-bottom-nav {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ===== Resources ===== */
.read-more-section {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  padding: 1.4rem 0 1rem;
}
.read-more-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
}
.read-more-head h2 {
  font-size: 24px;
  margin: 0;
  color: var(--color-pine-900);
}
.read-more-head p {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}
.read-card {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
  transition: all .25s ease;
}
.read-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(182,137,63,.55);
}
.read-card-img {
  overflow: hidden;
  aspect-ratio: 16/10;
  border-bottom: 1px solid var(--color-line);
}
.read-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.read-card:hover .read-card-img img { transform: scale(1.05); }
.read-card-body { padding: 1.1rem 1.25rem 1.2rem; }
.read-card-body .label {
  font-size: 12px;
  color: var(--color-pine-700);
  font-weight: 600;
  letter-spacing: .06em;
  margin-bottom: .5rem;
}
.read-card-body h3 { font-size: 17px; margin-bottom: .35rem; color: var(--color-ink); line-height: 1.45; }
.read-card-body h3 a { color: inherit; }
.read-card-body h3 a:hover { color: var(--color-pine-700); }
.read-card-body .date { font-family: var(--font-mono); font-size: 13px; color: var(--color-muted); }

/* ===== Not found ===== */
.not-found-box {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.6rem;
  background: var(--color-card);
  border: 1px dashed var(--color-line-deep);
  border-radius: var(--radius-lg);
  text-align: center;
}
.not-found-box .nf-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.4rem;
  border-radius: 50%;
  border: 2px solid rgba(182,137,63,.45);
  background: #F2EBDC;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #A27829;
}
.not-found-box h2 { font-size: 26px; }

/* ===== CTA block ===== */
.subscribe-cta {
  max-width: 1000px;
  margin: 3rem auto 0;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  gap: 1.6rem;
}
@media (min-width: 768px) {
  .subscribe-cta { grid-template-columns: 1fr 1fr; align-items: center; padding: 2.4rem 2.8rem; }
}
.subscribe-cta h3 {
  font-size: 22px;
  margin: 0 0 .4rem;
  color: var(--color-pine-900);
}
.subscribe-cta p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
}
.email-form .form-label { font-weight: 500; font-size: 14px; }
.email-form .form-control {
  background: var(--color-paper);
  border: 1px solid var(--color-line-deep);
  color: var(--color-ink);
  border-radius: 10px;
  padding: .78rem 1rem;
  font-size: 15px;
}
.email-form .form-control:focus {
  border-color: var(--color-pine-700);
  background: #FFFEFB;
  box-shadow: 0 0 0 4px rgba(20,85,75,.12);
}

@media (max-width: 991px) {
  .site-footer { margin-top: 2.8rem; }
  :root { --cp-gap: 4.5rem; }
}
@media (max-width: 575px) {
  :root { --cp-gap: 3rem; }
  .article-main-card { padding: 1.4rem 15px; }
  .article-h1 { font-size: 26px; line-height: 1.5; }
}

/* roulang page: category1 */
:root {
            --color-ink: #1F2B27;
            --color-pine-700: #14554B;
            --color-pine-800: #0E463F;
            --color-pine-900: #0D3B35;
            --color-gold: #B6893F;
            --color-gold-soft: #E7D3AA;
            --color-paper: #F6F1E8;
            --color-card: #FFFBF4;
            --color-line: #DED7CB;
            --color-muted: #6E7974;
            --color-input-border: #C5BBAC;
            --color-soft-green: #E5EEE8;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(20, 40, 36, 0.06);
            --shadow-md: 0 14px 36px rgba(20, 40, 36, 0.10);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "JetBrains Mono", "Roboto Mono", SFMono-Regular, monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--color-paper);
            color: var(--color-ink);
            font-family: var(--font-sans);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        a:hover {
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container,
        .container-lg,
        .container-xl,
        .container-xxl {
            max-width: 1200px;
        }
        .btn {
            border-radius: 10px;
            font-weight: 600;
            font-size: 16px;
            padding: 12px 24px;
            transition: all .2s ease;
            letter-spacing: .01em;
            border: 1px solid transparent;
            min-height: 48px;
        }
        .btn:focus-visible,
        a:focus-visible,
        .form-control:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
        }
        .btn-pine {
            background: var(--color-pine-700);
            color: #FFF9EC;
            border-color: var(--color-pine-700);
        }
        .btn-pine:hover {
            background: #0A3933;
            color: #fff;
            border-color: var(--color-gold);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(13, 59, 53, .16);
        }
        .btn-pine:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-line {
            background: transparent;
            border-color: #C5BBAC;
            color: var(--color-ink);
        }
        .btn-line:hover {
            border-color: var(--color-gold);
            color: var(--color-pine-800);
            background: rgba(182, 137, 63, .06);
        }
        .btn-ghost {
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            background: rgba(255, 255, 255, .04);
        }
        .btn-ghost:hover {
            border-color: var(--color-gold);
            color: var(--color-gold-soft);
            background: rgba(182, 137, 63, .12);
            transform: translateY(-2px);
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: #FFFDF8;
            border-bottom: 1px solid rgba(222, 215, 203, .75);
            box-shadow: 0 4px 18px rgba(20, 40, 36, .04);
        }
        .site-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-gold) 0%, #D9BC79 100%);
            z-index: 2;
        }
        .site-header .header-row {
            min-height: 78px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: .7rem;
            min-width: 0;
        }
        .logo-mark {
            position: relative;
            width: 40px;
            height: 40px;
            border: 1.5px solid var(--color-pine-700);
            border-radius: 10px;
            flex: 0 0 40px;
        }
        .logo-mark::before {
            content: "";
            position: absolute;
            top: -4px;
            right: -4px;
            width: 12px;
            height: 12px;
            background: var(--color-paper);
            border-bottom: 1.5px solid var(--color-gold);
            border-left: 1.5px solid var(--color-gold);
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            left: 50%;
            top: 50%;
            width: 12px;
            height: 12px;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            background: var(--color-pine-700);
            border: 2px solid var(--color-gold);
        }
        .brand-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            min-width: 0;
        }
        .brand-copy strong {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: .01em;
            white-space: nowrap;
            color: var(--color-ink);
        }
        .brand-copy small {
            font-size: 11px;
            color: var(--color-muted);
            letter-spacing: .15em;
            margin-top: 2px;
        }
        .main-nav {
            margin-right: auto;
            margin-left: 2.2rem;
        }
        .main-nav .nav-link {
            font-size: 16px;
            font-weight: 500;
            color: #2B3532;
            padding: 12px 18px;
            position: relative;
        }
        .main-nav .nav-link:after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            background: var(--color-gold);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .2s ease;
        }
        .main-nav .nav-link:hover {
            color: var(--color-pine-700);
        }
        .main-nav .nav-link:hover:after,
        .main-nav .nav-link.active:after {
            transform: scaleX(1);
        }
        .main-nav .nav-link.active {
            color: var(--color-pine-700);
            font-weight: 600;
        }
        .btn-entry {
            border: 1px solid var(--color-pine-700);
            color: var(--color-pine-700);
            background: #fff;
            font-weight: 600;
            border-radius: 10px;
            padding: 10px 22px;
            min-height: 44px;
        }
        .btn-entry:hover {
            background: var(--color-pine-700);
            color: #FFF9EC;
            border-color: var(--color-pine-700);
        }
        .menu-toggle {
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--color-line);
            border-radius: 10px;
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }
        .menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-pine-700);
            border-radius: 2px;
            transition: all .2s;
        }
        .site-mobile {
            position: absolute;
            left: 0;
            right: 0;
            top: 100%;
            background: #FFFDF8;
            border-bottom: 1px solid rgba(222, 215, 203, .8);
            box-shadow: 0 24px 34px rgba(20, 40, 36, .12);
            z-index: 1029;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 16px 24px;
            font-size: 18px;
            font-weight: 600;
            border-bottom: 1px solid rgba(222, 215, 203, .7);
            color: var(--color-ink);
        }
        .mobile-nav .nav-link.active {
            color: var(--color-pine-700);
            background: var(--color-soft-green);
            border-left: 3px solid var(--color-gold);
        }
        .mobile-nav .mobile-cta {
            padding: 20px 24px;
        }
        .page-hero {
            position: relative;
            isolation: isolate;
            background: var(--color-pine-900);
            color: #F5EFE3;
            overflow: hidden;
            border-bottom: 1px solid rgba(182, 137, 63, .4);
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(13, 59, 53, .96) 10%, rgba(13, 59, 53, .80) 62%, rgba(13, 59, 53, .48) 100%);
            z-index: 1;
        }
        .hero-bg {
            position: absolute;
            right: -80px;
            top: -80px;
            height: 130%;
            width: 58%;
            background: url('/assets/images/backpic/back-2.png') no-repeat center / cover;
            opacity: .3;
            transform: rotate(1.5deg);
            z-index: 0;
            border-left: 1px solid rgba(182, 137, 63, .45);
        }
        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--color-pine-900), rgba(13, 59, 53, .35));
        }
        .page-hero .hero-inner {
            position: relative;
            z-index: 3;
            padding: 82px 0 74px;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--color-gold-soft);
            letter-spacing: .12em;
            margin-bottom: 22px;
        }
        .hero-kicker span {
            display: inline-block;
            width: 24px;
            height: 1px;
            background: var(--color-gold);
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(34px, 4.2vw, 56px);
            font-weight: 700;
            color: #FFF8EB;
            line-height: 1.18;
            margin-bottom: 20px;
            letter-spacing: .02em;
        }
        .page-hero .hero-lead {
            font-size: 18px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .82);
            max-width: 650px;
            margin-bottom: 0;
        }
        .page-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 34px;
        }
        .page-hero .hero-guide-list {
            display: flex;
            flex-wrap: wrap;
            column-gap: 30px;
            row-gap: 12px;
            margin-top: 36px;
            color: rgba(255, 251, 240, .72);
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 24px;
        }
        .page-hero .hero-guide-list i {
            color: var(--color-gold);
            margin-right: 6px;
        }
        .section-pad {
            padding: 76px 0;
        }
        .doc-layout {
            padding-top: 80px;
            padding-bottom: 60px;
        }
        .doc-index {
            position: sticky;
            top: 118px;
            background: var(--color-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px 22px;
        }
        .doc-index-title {
            font-family: var(--font-mono);
            font-size: 13px;
            letter-spacing: .1em;
            color: var(--color-gold);
            border-bottom: 1px solid var(--color-line);
            padding-bottom: 12px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .doc-index-title i {
            font-size: 14px;
        }
        .index-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .index-list li {
            border-bottom: 1px dashed rgba(222, 215, 203, .7);
        }
        .index-list li:last-child {
            border-bottom: 0;
        }
        .index-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 11px 4px;
            color: var(--color-ink);
            font-size: 15px;
        }
        .index-list a .idx-no {
            color: var(--color-gold);
            font-family: var(--font-mono);
            font-size: 12px;
            width: 24px;
        }
        .index-list a:hover {
            color: var(--color-pine-700);
            padding-left: 8px;
            transition: padding .2s;
        }
        .index-card-note {
            margin-top: 20px;
            background: var(--color-soft-green);
            border-left: 3px solid var(--color-gold);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 16px 16px 14px;
            font-size: 13px;
            color: #37504A;
            line-height: 1.7;
        }
        .doc-section {
            scroll-margin-top: 120px;
            margin-bottom: 68px;
        }
        .doc-section:last-child {
            margin-bottom: 0;
        }
        .chapter-head {
            display: flex;
            align-items: baseline;
            gap: 16px;
            margin-bottom: 18px;
            border-bottom: 1px solid var(--color-line);
            padding-bottom: 14px;
        }
        .chapter-no {
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-gold);
            background: #FFF3D6;
            padding: 6px 13px;
            border-radius: 8px;
            letter-spacing: .02em;
            flex: 0 0 auto;
        }
        .doc-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0;
            letter-spacing: .01em;
            line-height: 1.3;
        }
        .chapter-sub {
            color: var(--color-muted);
            font-size: 15px;
            margin-bottom: 26px;
        }
        .body-copy {
            font-size: 16.5px;
            line-height: 1.9;
            color: #273633;
        }
        .body-copy strong {
            color: var(--color-pine-700);
            font-weight: 600;
        }
        .readiness-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-top: 1px solid var(--color-line);
            margin: 24px 0 20px;
        }
        .readiness-item {
            border-bottom: 1px solid var(--color-line);
            padding: 18px 18px 18px 0;
            border-right: 1px solid var(--color-line);
            padding-right: 28px;
            margin-right: 28px;
        }
        .readiness-item:nth-child(2n) {
            border-right: 0;
            margin-right: 0;
        }
        .readiness-item .ri-index {
            font-family: var(--font-mono);
            color: var(--color-gold);
            display: block;
            font-size: 13px;
            margin-bottom: 8px;
        }
        .readiness-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .readiness-item p {
            color: var(--color-muted);
            font-size: 14px;
            margin-bottom: 0;
        }
        .guide-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-sm);
        }
        .guide-media img {
            width: 100%;
            object-fit: cover;
            min-height: 220px;
            height: 100%;
        }
        .media-caption {
            background: var(--color-card);
            padding: 12px 14px;
            color: var(--color-muted);
            font-size: 13px;
        }
        .table-wrap {
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-card);
        }
        .spec-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            background: var(--color-card);
        }
        .spec-table th,
        .spec-table td {
            padding: 16px 18px;
            border-bottom: 1px solid var(--color-line);
            vertical-align: top;
            text-align: left;
        }
        .table-wrap th {
            font-family: var(--font-sans);
            font-weight: 700;
            background: #EEE8DB;
            color: var(--color-ink);
            letter-spacing: .02em;
            width: 160px;
        }
        .spec-table td {
            color: #2D3C38;
        }
        .spec-table tr:last-child th,
        .spec-table tr:last-child td {
            border-bottom: 0;
        }
        .spec-table code {
            font-family: var(--font-mono);
            color: var(--color-pine-700);
            background: rgba(20, 85, 75, .06);
            border-radius: 5px;
            padding: 2px 7px;
            font-size: 13px;
        }
        .spec-table ul {
            margin: 0;
            padding-left: 16px;
        }
        .step-list {
            margin: 28px 0 0;
            padding: 0;
            list-style: none;
        }
        .step-item {
            position: relative;
            padding: 0 0 32px 68px;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-item:before {
            content: "";
            position: absolute;
            left: 20px;
            top: 44px;
            width: 1px;
            height: calc(100% - 48px);
            background: linear-gradient(to bottom, rgba(182, 137, 63, .5), rgba(222, 215, 203, .7));
        }
        .step-item:last-child:before {
            display: none;
        }
        .step-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 42px;
            height: 42px;
            border: 1.5px solid var(--color-gold);
            background: #FFF6E4;
            color: var(--color-pine-800);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 15px;
        }
        .step-content {
            background: none;
            padding: 0;
        }
        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-ink);
        }
        .step-content p {
            color: var(--color-muted);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.8;
        }
        .ways-list {
            border-top: 1px solid var(--color-line);
            margin-top: 24px;
        }
        .ways-item {
            display: flex;
            gap: 18px;
            padding: 22px 6px 22px 0;
            border-bottom: 1px solid var(--color-line);
            align-items: flex-start;
        }
        .ways-item .way-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--color-soft-green);
            color: var(--color-pine-700);
            border: 1px solid rgba(20, 85, 75, .18);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex: 0 0 42px;
        }
        .ways-item .way-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .ways-item .way-body p {
            color: var(--color-muted);
            margin: 0;
            font-size: 14.5px;
            line-height: 1.8;
        }
        .note-panel {
            background: var(--color-card);
            border-left: 3px solid var(--color-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            box-shadow: var(--shadow-sm);
            padding: 22px 26px;
            margin-top: 14px;
            font-size: 15px;
        }
        .note-panel strong {
            color: var(--color-pine-700);
        }
        .accordion-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--color-line);
        }
        .accordion-button {
            background: transparent;
            font-size: 17px;
            font-weight: 600;
            padding: 22px 46px 22px 2px;
            color: var(--color-ink);
            box-shadow: none !important;
        }
        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            color: var(--color-pine-700);
            position: absolute;
            right: 6px;
            width: 20px;
            height: 20px;
            line-height: 20px;
            transition: transform .2s;
            font-size: 14px;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--color-gold);
        }
        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--color-pine-700);
        }
        .accordion-body {
            padding: 6px 66px 24px 2px;
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.9;
        }
        .faq-index {
            font-family: var(--font-mono);
            color: var(--color-gold);
            font-size: 13px;
            margin-right: 10px;
        }
        .cta-band {
            position: relative;
            isolation: isolate;
            background: var(--color-pine-900);
            color: white;
            padding: 66px 0;
            margin-top: 30px;
            border-top: 1px solid var(--color-gold);
        }
        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: radial-gradient(circle at 88% 20%, rgba(182, 137, 63, .16), transparent 40%), linear-gradient(120deg, #0a332d 0%, #0d3b35 70%);
        }
        .cta-band h2 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: clamp(26px, 3vw, 40px);
            color: #FFF8EB;
        }
        .cta-band p {
            color: rgba(255, 255, 255, .78);
            font-size: 16px;
            line-height: 1.9;
        }
        .cta-band-code {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--color-gold-soft);
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 10px;
            padding: 14px 18px;
            margin: 20px 0 0;
            display: inline-block;
        }
        .site-footer {
            background: #0B2F2A;
            color: rgba(255, 255, 255, .86);
            padding-top: 72px;
        }
        .site-footer .footer-logo {
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            letter-spacing: .02em;
        }
        .site-footer .footer-logo .logo-mark {
            border-color: rgba(255, 255, 255, .7);
        }
        .site-footer .logo-mark::after {
            background: #fff;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            padding-left: 12px;
            position: relative;
        }
        .footer-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: .2em;
            width: 3px;
            height: 16px;
            background: var(--color-gold);
            border-radius: 2px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .62);
        }
        .footer-links a:hover {
            color: var(--color-gold-soft);
        }
        .social-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .7);
            transition: all .2s;
            margin-right: 8px;
        }
        .social-icon:hover {
            color: var(--color-gold-soft);
            border-color: var(--color-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            margin-top: 36px;
            color: rgba(255, 255, 255, .46);
            font-size: 13px;
        }
        @media (max-width: 991.98px) {
            .site-header .header-row {
                min-height: 70px;
            }
            .brand-copy strong {
                font-size: 17px;
            }
            .page-hero .hero-inner {
                padding: 50px 0 44px;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .hero-bg {
                width: 80%;
                opacity: .2;
            }
            .doc-layout {
                padding-top: 48px;
                padding-bottom: 40px;
            }
            .doc-section {
                margin-bottom: 52px;
            }
            .readiness-grid {
                grid-template-columns: 1fr;
            }
            .readiness-item,
            .readiness-item:nth-child(2n) {
                border-right: 0;
                margin-right: 0;
                padding-right: 0;
            }
            .readiness-item:last-child {
                border-bottom: 1px solid var(--color-line);
            }
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding: 48px 0;
            }
            .page-hero .hero-actions .btn {
                width: 100%;
            }
            .doc-section h2 {
                font-size: 24px;
            }
            .chapter-head {
                gap: 10px;
                flex-wrap: wrap;
            }
            .chapter-no {
                font-size: 13px;
                padding: 5px 9px;
            }
            .spec-table th,
            .spec-table td {
                padding: 14px 12px;
                font-size: 14px;
            }
            .spec-table th {
                width: 110px;
            }
            .step-item {
                padding-left: 52px;
            }
            .step-num {
                width: 36px;
                height: 36px;
            }
            .step-item::before {
                left: 18px;
            }
            .ways-item {
                flex-direction: column;
                gap: 10px;
                padding: 18px 0;
            }
            .accordion-body {
                padding-right: 0;
            }
        }
        @media (max-width: 575.98px) {
            .brand-copy small {
                display: none;
            }
            .brand-copy strong {
                font-size: 16px;
            }
            .page-hero .hero-guide-list {
                column-gap: 16px;
            }
            .doc-layout {
                padding-top: 36px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-kicker {
                font-size: 12px;
            }
            .body-copy {
                font-size: 16px;
                line-height: 1.8;
            }
            .table-wrap {
                overflow-x: auto;
            }
            .spec-table {
                min-width: 560px;
            }
        }

/* roulang page: category2 */
:root {
      --color-ink: #1F2B27;
      --color-pine-700: #14554B;
      --color-pine-800: #10473F;
      --color-pine-900: #0D3B35;
      --color-gold: #B6893F;
      --color-gold-soft: #E7D3AA;
      --color-paper: #F6F1E8;
      --color-card: #FFFBF4;
      --color-line: #DED7CB;
      --color-muted: #6E7974;
      --color-input: #C5BBAC;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 2px 10px rgba(20, 40, 36, 0.06);
      --shadow-md: 0 12px 32px rgba(20, 40, 36, 0.10);
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-mono: "JetBrains Mono", "Roboto Mono", SFMono-Regular, monospace;
      --section-space: 96px;
      --section-space-md: 72px;
      --section-space-sm: 56px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--color-ink);
      background: var(--color-paper);
      -webkit-font-smoothing: antialiased;
    }

    h1,
    h2,
    h3,
    h4 {
      font-family: var(--font-serif);
      color: var(--color-ink);
      font-weight: 700;
      letter-spacing: -0.01em;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .container {
      max-width: 1200px;
    }

    .section-space {
      padding: var(--section-space) 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      letter-spacing: .14em;
      color: var(--color-pine-700);
      font-weight: 600;
      margin-bottom: 14px;
    }

    .eyebrow::before {
      content: "";
      width: 46px;
      height: 1px;
      background: var(--color-gold);
    }

    /* ----- Buttons ----- */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 10px;
      padding: 12px 22px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: all .22s ease;
      white-space: nowrap;
    }

    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(182, 137, 63, .35);
    }

    .btn-primary {
      background: var(--color-pine-700);
      color: #fff;
      border-color: var(--color-pine-700);
    }

    .btn-primary:hover,
    .btn-primary:active {
      background: #0A3933;
      border-color: var(--color-gold);
      color: #fff;
    }

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

    .btn-ghost {
      background: transparent;
      color: var(--color-ink);
      border-color: var(--color-input);
    }

    .btn-ghost:hover {
      border-color: var(--color-gold);
      background: #FFFDF8;
      color: var(--color-ink);
    }

    .btn-light-ghost {
      background: transparent;
      color: #F8F2E7;
      border-color: rgba(231, 211, 170, .55);
    }

    .btn-light-ghost:hover {
      color: var(--color-pine-900);
      background: var(--color-gold-soft);
      border-color: var(--color-gold-soft);
    }

    .btn-gold {
      background: var(--color-gold-soft);
      color: var(--color-pine-900);
      border-color: var(--color-gold-soft);
    }

    .btn-gold:hover {
      background: #f4e5c8;
      color: var(--color-pine-900);
    }

    /* ----- Header / Shared navigation ----- */
    .site-header {
      position: sticky;
      top: 0;
      width: 100%;
      z-index: 1045;
      background: #FFFBF4;
      border-bottom: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
    }

    .site-header::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--color-pine-700), var(--color-gold));
      z-index: 2;
    }

    .site-header .header-inner {
      min-height: 68px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      column-gap: 12px;
      flex-shrink: 0;
    }

    .logo-mark {
      position: relative;
      width: 38px;
      height: 38px;
      border: 2px solid var(--color-pine-700);
      border-radius: 6px;
      background: #fffaf2;
      flex: 0 0 38px;
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      left: 9px;
      top: 9px;
      width: 16px;
      height: 16px;
      border: 2px solid var(--color-pine-700);
      border-right: 0;
      border-bottom: 0;
      border-radius: 4px 0 0 0;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      right: 6px;
      bottom: 7px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-gold);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text .brand-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--color-ink);
      letter-spacing: .01em;
    }

    .brand-text .brand-sub {
      font-size: 11px;
      color: var(--color-muted);
      letter-spacing: .05em;
    }

    .main-nav {
      margin-left: auto;
      margin-right: 20px;
    }

    .main-nav .nav-link {
      display: inline-flex;
      align-items: center;
      padding: 11px 12px;
      font-size: 15px;
      font-weight: 500;
      color: #3F4B46;
      position: relative;
      transition: color .2s ease;
    }

    .main-nav .nav-link:hover {
      color: var(--color-pine-700);
    }

    .main-nav .nav-link.active {
      color: var(--color-pine-700);
      font-weight: 700;
      box-shadow: inset 0 -2px 0 var(--color-gold);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 10px;
      background: var(--color-pine-700);
      color: #fff !important;
      padding: 9px 18px;
      font-size: 14px;
      font-weight: 600;
      border: 1px solid var(--color-pine-700);
      transition: .22s;
    }

    .header-cta:hover {
      background: #0A3933;
      border-color: var(--color-gold);
    }

    .menu-toggle {
      width: 44px;
      height: 44px;
      padding: 0;
      border: 0;
      background: transparent;
      display: inline-flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
    }

    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--color-pine-700);
      transition: all .2s;
    }

    .menu-toggle:hover span {
      background: var(--color-gold);
    }

    .menu-toggle:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(182, 137, 63, .35);
      border-radius: 8px;
    }

    .mobile-drawer {
      background: var(--color-pine-900);
      border-top: 1px solid rgba(231, 211, 170, .28);
      padding: 20px 16px 24px;
    }

    .mobile-nav {
      display: flex;
      flex-direction: column;
    }

    .mobile-nav a {
      display: block;
      font-size: 20px;
      color: rgba(255, 255, 255, .84);
      padding: 14px 4px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .mobile-nav a:hover,
    .mobile-nav a.active {
      color: var(--color-gold-soft);
      padding-left: 12px;
    }

    .mobile-drawer .mobile-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: 20px;
      height: 48px;
      background: var(--color-gold-soft);
      color: var(--color-pine-900);
      font-weight: 700;
      border-radius: 10px;
    }

    .mobile-drawer .mobile-cta:hover {
      background: #e7d8b8;
    }

    /* ----- Category Hero ----- */
    .cat-hero {
      position: relative;
      color: #F8F2E7;
      background:
        radial-gradient(circle at 78% 18%, rgba(182, 137, 63, .16), transparent 32%),
        linear-gradient(rgba(13, 59, 53, .92), rgba(13, 59, 53, .96)),
        url('/assets/images/backpic/back-1.webp') center / cover;
      padding: 72px 0 88px;
      overflow: hidden;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      letter-spacing: .12em;
      color: var(--color-gold-soft);
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(231, 211, 170, .22);
      border-radius: 999px;
      padding: 8px 15px;
    }

    .hero-tag .mini-seal {
      width: 22px;
      height: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      color: var(--color-pine-900);
      background: var(--color-gold-soft);
      border-radius: 4px;
    }

    .cat-hero h1 {
      font-size: clamp(42px, 6vw, 60px);
      color: #fff;
      margin: 24px 0 14px;
      line-height: 1.12;
      letter-spacing: .02em;
      font-weight: 800;
    }

    .cat-hero .hero-lead {
      color: rgba(255, 255, 255, .76);
      max-width: 620px;
      font-size: 17px;
      margin-bottom: 28px;
    }

    .cat-hero .hero-btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .cat-hero .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 14px 22px;
      margin-top: 36px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: rgba(255, 255, 255, .65);
    }

    .cat-hero .hero-points span {
      font-size: 13px;
    }

    .cat-hero .hero-points i {
      color: var(--color-gold);
      margin-right: 5px;
    }

    .hero-diagram {
      position: relative;
      max-width: 540px;
      margin-left: auto;
    }

    .diagram-frame {
      border: 1px solid rgba(231, 211, 170, .5);
      border-radius: 20px;
      overflow: hidden;
      background: #D9E1DA;
      box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
    }

    .diagram-frame img {
      aspect-ratio: 4 / 3;
      width: 100%;
      object-fit: cover;
    }

    .diagram-tag {
      position: absolute;
      background: #FFFBF4;
      color: var(--color-pine-700);
      font-family: var(--font-mono);
      font-size: 12px;
      padding: 10px 13px;
      border-radius: 10px;
      box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
      border-left: 3px solid var(--color-gold);
    }

    .diagram-tag.tag-a {
      top: 20px;
      left: -14px;
    }

    .diagram-tag.tag-b {
      top: 42%;
      right: -6px;
    }

    .diagram-tag.tag-c {
      bottom: 18px;
      left: 28px;
    }

    /* ----- Scope Strip ----- */
    .scope-section {
      padding: var(--section-space-md) 0;
      background: var(--color-paper);
      border-bottom: 1px solid var(--color-line);
    }

    .scope-heading {
      display: flex;
      gap: 30px;
      margin-bottom: 36px;
    }

    .scope-heading .copy-block {
      flex: 1;
    }

    .scope-heading h2 {
      font-size: clamp(28px, 3.4vw, 38px);
      max-width: 600px;
      margin: 6px 0 12px;
    }

    .scope-heading p {
      color: var(--color-muted);
      max-width: 780px;
    }

    .scope-grid .scope-item {
      border-left: 2px solid rgba(182, 137, 63, .75);
      padding-left: 16px;
      padding-top: 2px;
      padding-bottom: 2px;
      min-height: 130px;
    }

    .scope-item h3 {
      font-size: 19px;
      margin-bottom: 6px;
      font-family: var(--font-sans);
      font-weight: 700;
    }

    .scope-item span {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--color-gold);
      display: block;
      margin-bottom: 4px;
      letter-spacing: .08em;
    }

    .scope-item p {
      color: var(--color-muted);
      font-size: 14px;
      margin: 0;
    }

    /* ----- Feature alternating rows ----- */
    .feature-section {
      padding: var(--section-space) 0;
      border-bottom: 1px solid #E3DDD2;
    }

    .feature-section.bg-soft {
      background: var(--color-card);
    }

    .feature-copy-wrap .feature-no {
      font-family: var(--font-mono);
      color: var(--color-gold);
      font-size: 15px;
      letter-spacing: .14em;
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .feature-copy-wrap .feature-no::before {
      content: "";
      width: 34px;
      height: 1px;
      background: var(--color-gold);
    }

    .feature-copy-wrap h2 {
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.3;
      margin: 14px 0 18px;
      max-width: 600px;
    }

    .feature-copy-wrap p {
      color: var(--color-muted);
      margin-bottom: 22px;
      max-width: 560px;
    }

    .feature-checks li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 10px 0;
      border-bottom: 1px dashed var(--color-line);
      color: #42504a;
      font-size: 15px;
    }

    .feature-checks li:last-child {
      border-bottom: 0;
    }

    .feature-checks li::before {
      content: "✓";
      color: var(--color-pine-700);
      font-weight: 700;
      font-size: 14px;
      margin-top: 2px;
      width: 22px;
      height: 22px;
      flex: 0 0 22px;
      border: 1px solid rgba(20, 85, 75, .35);
      border-radius: 6px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .feature-media-col {
      position: relative;
      padding-bottom: 36px;
    }

    .feature-media {
      position: relative;
      padding: 10px;
    }

    .feature-media .preview-main {
      border-radius: 18px;
      overflow: hidden;
      border: 1px solid #d5ccbc;
      background: #E4D9CC;
      aspect-ratio: 4 / 3;
      box-shadow: var(--shadow-md);
    }

    .preview-main img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .feature-media .preview-side {
      position: absolute;
      right: -2px;
      bottom: 0;
      width: 54%;
      border-radius: 12px;
      overflow: hidden;
      border: 5px solid var(--color-card);
      background: #eee2d2;
      box-shadow: 0 12px 24px rgba(20, 40, 36, .16);
    }

    .feature-media .preview-side img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }

    .preview-caption {
      margin-top: 12px;
      font-size: 12px;
      color: var(--color-muted);
      font-family: var(--font-mono);
    }

    .preview-caption span {
      color: var(--color-pine-700);
      margin-right: 4px;
    }

    @media (min-width: 992px) {
      .feature-section.reverse .feature-copy-col {
        order: 3;
      }

      .feature-section.reverse .feature-media-col {
        order: 1;
      }
    }

    /* ----- Dark flow section ----- */
    .security-flow {
      background: var(--color-pine-900);
      color: rgba(255, 255, 255, .82);
      padding: var(--section-space) 0;
    }

    .security-flow .section-heading h2 {
      color: #fff;
      font-size: clamp(28px, 3.4vw, 40px);
      margin-bottom: 14px;
    }

    .security-flow .section-heading p {
      color: rgba(255, 255, 255, .62);
    }

    .flow-grid .flow-node {
      border-left: 1px solid rgba(231, 211, 170, .2);
      padding-left: 22px;
      padding-top: 2px;
      min-height: 190px;
    }

    .flow-node .flow-number {
      display: block;
      font-family: var(--font-mono);
      font-size: 15px;
      color: var(--color-gold);
      margin-bottom: 18px;
    }

    .flow-node h3 {
      color: var(--color-gold-soft);
      font-family: var(--font-sans);
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .flow-node p {
      color: rgba(255, 255, 255, .63);
      font-size: 14px;
      line-height: 1.7;
      margin: 0;
    }

    /* ----- FAQ ----- */
    .faq-section {
      padding: var(--section-space) 0;
      background: var(--color-paper);
    }

    .faq-heading h2 {
      font-size: clamp(28px, 3.2vw, 38px);
      margin: 14px 0 12px;
    }

    .faq-heading p {
      color: var(--color-muted);
      max-width: 380px;
    }

    .faq-panel .accordion-item {
      background: transparent;
      border: 0;
      border-bottom: 1px solid var(--color-line);
      border-radius: 0;
      box-shadow: none;
    }

    .faq-panel .accordion-button {
      background: transparent;
      box-shadow: none;
      color: var(--color-ink);
      font-size: 17px;
      font-weight: 600;
      padding: 20px 8px;
      font-family: var(--font-sans);
    }

    .faq-panel .accordion-button:not(.collapsed) {
      color: var(--color-pine-700);
    }

    .faq-panel .accordion-button:focus {
      box-shadow: none;
      border-color: var(--color-gold);
    }

    .faq-panel .accordion-button::after {
      background: none;
      content: "＋";
      font-size: 20px;
      font-weight: 300;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-gold);
      width: 28px;
      height: 28px;
    }

    .faq-panel .accordion-button:not(.collapsed)::after {
      content: "－";
      transform: none;
    }

    .faq-panel .accordion-body {
      padding: 6px 8px 26px;
      color: var(--color-muted);
    }

    .faq-panel .accordion-body p {
      max-width: 720px;
    }

    /* ----- Bottom CTA ----- */
    .bottom-cta {
      padding: var(--section-space) 0;
      background: var(--color-card);
      border-top: 1px solid var(--color-line);
    }

    .bottom-cta .cta-card {
      max-width: 920px;
      margin: 0 auto;
      border: 1px solid var(--color-line);
      background: #fffaf2;
      border-radius: 18px;
      padding: clamp(28px, 5vw, 64px);
      text-align: center;
      position: relative;
    }

    .bottom-cta .cta-card::before {
      content: "";
      position: absolute;
      top: 20px;
      right: 20px;
      width: 14px;
      height: 14px;
      border-top: 2px solid var(--color-gold);
      border-right: 2px solid var(--color-gold);
      border-radius: 0 3px 0 0;
    }

    .bottom-cta .cta-card h2 {
      font-size: clamp(24px, 3vw, 34px);
      margin: 12px 0 14px;
    }

    .bottom-cta .cta-card p {
      color: var(--color-muted);
      max-width: 560px;
      margin: 0 auto 28px;
    }

    .bottom-cta .cta-btn-row {
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    /* ----- Footer Shared ----- */
    .site-footer {
      padding-top: 64px;
      background: var(--color-pine-900);
      color: rgba(255, 255, 255, .82);
    }

    .site-footer .brand-logo {
      margin-bottom: 10px;
    }

    .footer-logo {
      color: #fff;
      font-weight: 700;
      font-size: 17px;
      font-family: var(--font-sans);
    }

    .site-footer .logo-mark {
      border-color: var(--color-gold-soft);
      background: rgba(255,255,255,.08);
    }

    .site-footer .logo-mark::before {
      border-color: var(--color-gold-soft);
    }

    .footer-title {
      color: var(--color-gold-soft);
      font-weight: 600;
      font-size: 14px;
      letter-spacing: .06em;
      margin: 10px 0 16px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .footer-links a {
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
      padding: 6px 0;
      transition: .2s;
    }

    .footer-links a:hover {
      color: var(--color-gold-soft);
      padding-left: 5px;
    }

    .social-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, .16);
      color: rgba(255, 255, 255, .7);
      margin-right: 8px;
      transition: .2s;
    }

    .social-icon:hover {
      color: var(--color-pine-900);
      background: var(--color-gold-soft);
      border-color: var(--color-gold-soft);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .1);
      padding: 20px 0;
      font-size: 13px;
      color: rgba(255, 255, 255, .45);
      margin-top: 30px;
    }

    .footer-bottom p {
      margin: 0;
    }

    /* ----- Responsive ----- */
    @media (max-width: 1199.98px) {
      .main-nav .nav-link {
        padding-left: 9px;
        padding-right: 9px;
      }

      .brand-text .brand-name {
        font-size: 15px;
      }
    }

    @media (max-width: 991.98px) {
      .main-nav {
        display: none;
      }

      .cat-hero {
        padding: 56px 0 68px;
      }

      .scope-section,
      .feature-section,
      .security-flow,
      .faq-section,
      .bottom-cta {
        --section-space: var(--section-space-md);
      }

      .feature-section {
        padding-top: var(--section-space-md);
        padding-bottom: var(--section-space-md);
      }

      .feature-section.reverse .feature-media-col {
        margin-bottom: 28px;
      }

      .flow-grid {
        row-gap: 26px;
      }

      .flow-grid .flow-node {
        min-height: auto;
        padding-bottom: 8px;
      }

      .cat-hero .hero-diagram {
        margin: 28px 0 0;
      }

      .diagram-tag.tag-a {
        left: 0;
      }
    }

    @media (max-width: 767.98px) {
      .brand-text .brand-sub {
        display: none;
      }

      .brand-text .brand-name {
        font-size: 14px;
      }

      .logo-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
      }

      .cat-hero {
        padding: 46px 0 56px;
      }

      .cat-hero h1 {
        font-size: 40px;
      }

      .cat-hero .hero-lead {
        font-size: 15px;
      }

      .cat-hero .hero-btn-row {
        flex-direction: column;
        align-items: stretch;
      }

      .scope-heading {
        flex-direction: column;
        gap: 10px;
      }

      .scope-grid {
        row-gap: 22px;
      }

      .scope-grid .scope-item {
        min-height: auto;
      }

      .feature-copy-wrap p {
        max-width: 100%;
      }

      .feature-copy-wrap h2 {
        font-size: 28px;
      }

      .feature-media .preview-side {
        width: 46%;
        border-width: 3px;
      }

      .bottom-cta .cta-btn-row {
        flex-direction: column;
      }

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

    @media (max-width: 575.98px) {
      body {
        font-size: 15px;
      }

      .cat-hero h1 {
        font-size: 34px;
      }

      .section-space,
      .scope-section,
      .feature-section,
      .security-flow,
      .faq-section,
      .bottom-cta {
        --section-space: var(--section-space-sm);
      }

      .diagram-frame {
        border-radius: 14px;
      }

      .diagram-tag {
        font-size: 10px;
        padding: 7px 9px;
      }

      .bottom-cta .cta-card {
        text-align: left;
      }

      .bottom-cta .cta-btn-row {
        align-items: stretch;
      }

      .btn {
        padding-top: 11px;
        padding-bottom: 11px;
      }

      .footer-bottom {
        text-align: center;
      }
    }

/* roulang page: category3 */
:root {
      --pine-700: #14554B;
      --pine-800: #0F453E;
      --pine-900: #0D3B35;
      --gold: #B6893F;
      --gold-deep: #9C7130;
      --gold-soft: #E7D3AA;
      --paper: #F6F1E8;
      --card: #FFFBF4;
      --line: #DED7CB;
      --line-deep: #C5BBAC;
      --ink: #1F2B27;
      --muted: #6E7974;
      --white-soft: #FDFBF6;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
      --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-mono: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", Consolas, monospace;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-btn: 10px;
      --shadow-sm: 0 2px 10px rgba(20, 40, 36, 0.06);
      --shadow-md: 0 18px 44px rgba(20, 40, 36, 0.12);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.7;
      color: var(--ink);
      background-color: var(--paper);
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
    }

    a:hover {
      color: var(--pine-700);
    }

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    p {
      margin-top: 0;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-right: auto;
      margin-left: auto;
      padding-right: 20px;
      padding-left: 20px;
    }

    section[id],
    div[id] {
      scroll-margin-top: 116px;
    }

    .skip-link {
      position: absolute;
      left: -999px;
      top: 12px;
      z-index: 2000;
      background: var(--pine-900);
      color: #fff;
      padding: 12px 18px;
      border-radius: 10px;
    }

    .skip-link:focus {
      left: 16px;
      color: #fff;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(182, 137, 63, 0.55);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .mono,
    .font-mono {
      font-family: var(--font-mono);
    }

    .serif {
      font-family: var(--font-serif);
    }

    .site-header {
      background: #FFFDF8;
      border-top: 2px solid var(--gold);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 2px 16px rgba(20, 40, 36, 0.04);
    }

    .site-header .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 74px;
      gap: 16px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
      color: var(--ink);
    }

    .logo-mark {
      position: relative;
      display: block;
      width: 40px;
      height: 40px;
      border: 2px solid var(--pine-700);
      border-radius: 7px 7px 7px 2px;
      background: transparent;
      flex: 0 0 auto;
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      left: 10px;
      top: 10px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--gold);
      box-shadow: 0 0 0 3px rgba(182, 137, 63, 0.18);
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      right: -2px;
      top: -2px;
      width: 9px;
      height: 9px;
      background: var(--gold);
      border-radius: 0 6px 0 0;
    }

    .brand-lines {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .brand-title {
      font-size: 19px;
      font-weight: 700;
      letter-spacing: -0.2px;
      color: var(--ink);
      white-space: nowrap;
    }

    .brand-subtitle {
      margin-top: 4px;
      font-size: 11px;
      color: var(--muted);
      letter-spacing: 0.07em;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .main-nav .nav-link {
      display: block;
      padding: 0.5rem 0.9rem;
      color: var(--ink);
      font-size: 15px;
      font-weight: 500;
      border-radius: 8px;
      position: relative;
      transition: color 0.2s ease, background-color 0.2s ease;
    }

    .main-nav .nav-link::after {
      content: "";
      position: absolute;
      left: 0.85rem;
      right: 0.85rem;
      bottom: 0.15rem;
      height: 2px;
      background: var(--gold);
      transform: scaleX(0);
      transform-origin: left center;
      transition: transform 0.22s ease;
    }

    .main-nav .nav-link:hover {
      color: var(--pine-700);
    }

    .main-nav .nav-link:hover::after,
    .main-nav .nav-link.active::after {
      transform: scaleX(1);
    }

    .main-nav .nav-link.active {
      color: var(--pine-700);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0.78rem 1.4rem;
      border-radius: var(--radius-btn);
      font-weight: 500;
      font-size: 0.95rem;
      line-height: 1;
      border: 1px solid transparent;
      cursor: pointer;
      transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease, box-shadow 0.22s ease, transform 0.1s ease;
    }

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

    .btn-moss {
      background: var(--pine-700);
      border-color: var(--pine-700);
      color: #fff;
    }

    .btn-moss:hover,
    .btn-moss:focus {
      background: var(--pine-900);
      border-color: var(--pine-900);
      color: #fff;
      box-shadow: 0 0 0 3px rgba(20, 85, 75, 0.18);
    }

    .btn-outline {
      background: transparent;
      border-color: var(--line-deep);
      color: var(--pine-700);
    }

    .btn-outline:hover {
      border-color: var(--gold);
      color: var(--gold-deep);
      background: rgba(182, 137, 63, 0.05);
    }

    .btn-gold-outline {
      background: transparent;
      border-color: rgba(231, 211, 170, 0.75);
      color: var(--gold-soft);
    }

    .btn-gold-outline:hover {
      background: var(--gold-soft);
      border-color: var(--gold-soft);
      color: var(--pine-900);
    }

    .btn-header {
      min-height: 42px;
      padding: 0 1.1rem;
      font-size: 14px;
    }

    .menu-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border: 1px solid var(--line-deep);
      border-radius: 10px;
      background: var(--card);
      color: var(--pine-700);
      font-size: 18px;
    }

    .menu-toggle:hover {
      border-color: var(--gold);
      color: var(--gold-deep);
    }

    .mobile-menu {
      background: #FFFDF8;
      border-bottom: 1px solid var(--line);
      padding: 8px 0 18px;
    }

    .mobile-menu .mobile-nav {
      display: flex;
      flex-direction: column;
    }

    .mobile-menu .mobile-nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 50px;
      padding: 10px 6px;
      border-bottom: 1px solid var(--line);
      font-size: 16px;
      color: var(--ink);
    }

    .mobile-menu .mobile-nav-link:last-child {
      border-bottom: 0;
    }

    .mobile-menu .mobile-nav-link:hover {
      color: var(--pine-700);
    }

    .mobile-menu .mobile-nav-link.current {
      color: var(--pine-700);
      font-weight: 600;
    }

    .mobile-menu .btn {
      width: 100%;
      margin-top: 18px;
    }

    .faq-hero {
      position: relative;
      overflow: hidden;
      padding: 88px 0 72px;
    }

    .faq-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(246, 241, 232, 0.96) 8%, rgba(246, 241, 232, 0.72) 52%, rgba(246, 241, 232, 0.32) 100%),
        url("/assets/images/backpic/back-2.png") center center / cover no-repeat;
      z-index: 0;
    }

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.12em;
      color: var(--gold-deep);
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--gold);
      display: inline-block;
    }

    .page-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      letter-spacing: 0.09em;
      color: var(--gold-deep);
      border: 1px solid rgba(182, 137, 63, 0.38);
      background: rgba(255, 251, 244, 0.72);
      border-radius: 100px;
      padding: 6px 13px;
      margin-bottom: 22px;
    }

    .page-kicker i {
      color: var(--gold);
    }

    .faq-hero h1 {
      margin: 0 0 18px;
      font-family: var(--font-serif);
      font-size: clamp(42px, 6vw, 66px);
      font-weight: 600;
      line-height: 1.18;
      letter-spacing: 0.04em;
      color: var(--pine-900);
      position: relative;
      padding-left: 20px;
    }

    .faq-hero h1::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.24em;
      bottom: 0.12em;
      width: 4px;
      background: var(--gold);
      border-radius: 4px;
    }

    .hero-summary {
      max-width: 620px;
      margin: 0 0 26px;
      font-size: 17px;
      line-height: 1.85;
      color: #3D4B46;
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 20px;
      padding: 0;
      margin: 26px 0 0;
      list-style: none;
    }

    .hero-note li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--muted);
    }

    .hero-note li i {
      color: var(--gold-deep);
    }

    .hero-visual {
      position: relative;
      z-index: 1;
      margin-left: auto;
    }

    .hero-visual .hero-image-frame {
      position: relative;
      border-radius: 24px;
      border: 1px solid var(--line-deep);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      aspect-ratio: 4 / 3;
      background: var(--pine-900);
    }

    .hero-visual .hero-image-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-visual .hero-image-frame::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 54%, rgba(13, 59, 53, 0.54) 100%);
      pointer-events: none;
      border-radius: 24px;
    }

    .hero-frame-badge {
      position: absolute;
      left: 16px;
      bottom: 16px;
      z-index: 2;
      color: #fff;
      background: rgba(13, 59, 53, 0.72);
      border: 1px solid rgba(231, 211, 170, 0.55);
      padding: 7px 13px;
      border-radius: 8px;
      font-size: 13px;
      letter-spacing: 0.05em;
      backdrop-filter: none;
    }

    .hero-visual-tag {
      position: absolute;
      top: -14px;
      right: -12px;
      z-index: 2;
      background: var(--pine-700);
      color: #fff;
      border-radius: 12px;
      padding: 10px 14px;
      font-family: var(--font-mono);
      font-size: 12px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      box-shadow: var(--shadow-sm);
    }

    .context-strip {
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: #FFFDF8;
      padding: 20px 0;
    }

    .context-list {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px 30px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .context-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 36px;
    }

    .context-list .ctx-mono {
      font-family: var(--font-mono);
      font-size: 14px;
      color: var(--gold-deep);
      background: rgba(182, 137, 63, 0.1);
      border-radius: 8px;
      padding: 5px 10px;
    }

    .context-list .ctx-text {
      font-size: 14px;
      color: var(--ink);
    }

    .quick-index {
      padding: 54px 0 0;
    }

    .section-label {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--gold-deep);
      margin-bottom: 10px;
    }

    .quick-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .quick-item {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 18px 18px 16px;
      color: var(--ink);
      display: flex;
      align-items: center;
      gap: 12px;
      transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    }

    .quick-item:hover {
      border-color: var(--gold);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .quick-item .quick-no {
      font-family: var(--font-mono);
      font-size: 13px;
      color: var(--gold-deep);
      flex: 0 0 auto;
    }

    .quick-item span:last-child {
      font-size: 15px;
      font-weight: 600;
    }

    .faq-main-section {
      padding: 72px 0 92px;
    }

    .section-heading {
      margin-bottom: 42px;
    }

    .section-heading h2 {
      margin: 12px 0 0;
      font-family: var(--font-serif);
      font-size: clamp(28px, 3.4vw, 40px);
      font-weight: 600;
      color: var(--pine-900);
      line-height: 1.3;
    }

    .section-heading p {
      margin: 12px 0 0;
      max-width: 680px;
      color: var(--muted);
      font-size: 16px;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 52px;
      align-items: start;
    }

    .faq-group {
      margin-top: 34px;
    }

    .faq-group:first-of-type {
      margin-top: 0;
    }

    .faq-group-title {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 6px;
      padding: 18px 0 10px;
      font-family: var(--font-serif);
      font-size: 22px;
      color: var(--pine-900);
      border-bottom: 1px solid transparent;
    }

    .faq-group-title .group-no {
      font-family: var(--font-mono);
      font-size: 13px;
      color: var(--gold-deep);
      letter-spacing: 0.05em;
      background: rgba(182, 137, 63, 0.1);
      padding: 4px 8px;
      border-radius: 6px;
    }

    .faq-group .accordion-item {
      background: transparent;
      border: 0;
      border-bottom: 1px solid var(--line) !important;
      border-radius: 0 !important;
      box-shadow: none;
    }

    .faq-group .accordion-item:first-of-type {
      border-top: 1px solid var(--line) !important;
      border-radius: 0 !important;
    }

    .faq-group .accordion-item:last-of-type {
      border-radius: 0 !important;
    }

    .faq-group .accordion-button {
      background: transparent;
      color: var(--ink);
      padding: 21px 48px 20px 4px;
      font-size: 17px;
      font-weight: 500;
      line-height: 1.55;
      border: 0 !important;
      box-shadow: none !important;
    }

    .faq-group .accordion-button:hover {
      color: var(--pine-700);
    }

    .faq-group .accordion-button:not(.collapsed) {
      color: var(--pine-700);
      font-weight: 600;
    }

    .faq-group .accordion-button::after {
      display: none !important;
    }

    .faq-group .accordion-button::before {
      content: "\f067";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 14px;
      color: var(--gold);
      position: absolute;
      right: 4px;
      top: 50%;
      transform: translateY(-50%);
      display: flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
    }

    .faq-group .accordion-button:not(.collapsed)::before {
      content: "\f068";
      color: var(--pine-700);
    }

    .faq-group .accordion-body {
      background: transparent !important;
      padding: 2px 44px 24px 4px !important;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.9;
    }

    .accordion-collapse {
      background: transparent;
    }

    .help-aside {
      position: sticky;
      top: 120px;
    }

    .help-panel {
      background: var(--pine-900);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 30px 28px;
      color: rgba(255, 255, 255, 0.85);
      box-shadow: 0 18px 48px rgba(13, 59, 53, 0.18);
    }

    .help-panel .help-kicker {
      font-family: var(--font-mono);
      font-size: 13px;
      letter-spacing: 0.12em;
      color: var(--gold-soft);
      margin-bottom: 18px;
    }

    .help-panel h3 {
      font-family: var(--font-serif);
      font-size: 24px;
      color: #fff;
      margin: 0 0 12px;
    }

    .help-panel>p {
      margin-bottom: 20px;
      font-size: 15px;
      line-height: 1.85;
      color: rgba(255, 255, 255, 0.76);
    }

    .help-panel .btn {
      width: 100%;
      margin: 8px 0 22px;
    }

    .help-list {
      margin: 0;
      padding: 18px 0 0;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      list-style: none;
    }

    .help-list li {
      display: flex;
      gap: 10px;
      align-items: center;
      padding: 7px 0;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.66);
    }

    .help-list i {
      color: var(--gold-soft);
      width: 18px;
      text-align: center;
    }

    .aside-quick-list {
      margin-top: 20px;
    }

    .aside-quick-title {
      font-size: 14px;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.72);
      margin-bottom: 6px;
    }

    .aside-quick-list a {
      display: block;
      padding: 6px 0;
      font-size: 15px;
      color: #fff;
      border-bottom: 1px solid rgba(255, 255, 255, 0.09);
      transition: padding-left 0.2s ease, color 0.2s ease;
    }

    .aside-quick-list a:hover {
      padding-left: 6px;
      color: var(--gold-soft);
    }

    .contact-section {
      background: #FFFDF8;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      padding: 88px 0;
    }

    .contact-section .section-heading h2 {
      margin-top: 10px;
    }

    .contact-points {
      margin: 26px 0 0;
      padding: 0;
      list-style: none;
    }

    .contact-points li {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 10px 0;
    }

    .contact-points li .icon-box {
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      border-radius: 9px;
      border: 1px solid var(--line-deep);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gold-deep);
      font-size: 14px;
      background: var(--card);
    }

    .contact-points li strong {
      display: block;
      color: var(--ink);
      font-size: 16px;
    }

    .contact-points li span {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .support-form {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 36px 34px;
      box-shadow: var(--shadow-sm);
    }

    .support-form .form-label {
      margin-bottom: 6px;
      font-weight: 600;
      font-size: 14px;
      color: var(--pine-900);
    }

    .support-form .mandatory {
      color: #B4553A;
    }

    .form-control,
    .support-form input[type="text"],
    .support-form input[type="email"],
    .support-form select,
    .support-form textarea {
      width: 100%;
      background-color: #FFFDFA;
      border: 1px solid var(--line-deep);
      border-radius: var(--radius-sm);
      padding: 12px 15px;
      font-size: 15px;
      color: var(--ink);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      outline: none;
    }

    .form-control:focus,
    .support-form input:focus,
    .support-form select:focus,
    .support-form textarea:focus {
      border-color: var(--pine-700);
      box-shadow: 0 0 0 3px rgba(20, 85, 75, 0.13);
    }

    .support-form textarea {
      min-height: 118px;
      resize: vertical;
    }

    .support-form select {
      appearance: none;
      background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2314544B' d='M1.4 0L6 5.2 10.6 0 12 1.4 6 8 0 1.4z'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      padding-right: 38px;
    }

    .support-form .form-check-input {
      width: 1.3rem;
      height: 1.3rem;
      margin-top: 0;
      background-color: #FFFDFA;
      border: 1px solid var(--line-deep);
      border-radius: 4px !important;
    }

    .support-form .form-check-input:checked {
      background-color: var(--pine-700);
      border-color: var(--pine-700);
    }

    .support-form .form-check {
      padding-left: 1.9rem;
      margin-bottom: 0;
    }

    .support-form .form-check-label {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .form-message {
      display: none;
      font-size: 14px;
      padding: 12px 14px;
      border-radius: 10px;
      background: rgba(20, 85, 75, 0.08);
      border: 1px solid rgba(20, 85, 75, 0.16);
      color: var(--pine-800);
    }

    .form-message.show {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .return-access-section {
      position: relative;
      padding: 80px 0;
      background: var(--pine-900);
      overflow: hidden;
    }

    .return-access-section::before {
      content: "";
      position: absolute;
      right: -8%;
      top: -60%;
      width: 520px;
      height: 520px;
      background: radial-gradient(circle at center, rgba(182, 137, 63, 0.18) 0, transparent 66%);
    }

    .return-access-section::after {
      content: "";
      position: absolute;
      left: 10%;
      bottom: -90%;
      width: 540px;
      height: 540px;
      background: radial-gradient(circle at center, rgba(255, 255, 255, 0.08) 0, transparent 60%);
    }

    .return-access-inner {
      position: relative;
      z-index: 1;
      max-width: 820px;
      margin: 0 auto;
      text-align: center;
      color: #fff;
    }

    .return-access-inner .section-label {
      color: var(--gold-soft);
    }

    .return-access-inner h2 {
      font-family: var(--font-serif);
      font-size: clamp(26px, 3.5vw, 38px);
      color: #fff;
      margin: 14px 0 16px;
      line-height: 1.4;
    }

    .return-access-inner p {
      margin: 0 auto 30px;
      max-width: 640px;
      color: rgba(255, 255, 255, 0.72);
      font-size: 16px;
    }

    .return-access-inner .btn-group-gap {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .return-access-inner .btn-moss {
      background: var(--gold-soft);
      border-color: var(--gold-soft);
      color: var(--pine-900);
    }

    .return-access-inner .btn-moss:hover {
      background: #f0e3c4;
      border-color: #f0e3c4;
      color: var(--pine-900);
      box-shadow: 0 0 0 3px rgba(231, 211, 170, 0.24);
    }

    .site-footer {
      background: #08302A;
      color: rgba(255, 255, 255, 0.82);
      padding-top: 68px;
    }

    .site-footer .brand-logo {
      color: #fff;
      gap: 12px;
    }

    .site-footer .logo-mark {
      border-color: var(--gold-soft);
    }

    .site-footer .logo-mark::after {
      background: var(--gold-soft);
    }

    .site-footer .footer-logo {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
    }

    .site-footer .small {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
    }

    .site-footer .footer-title {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      letter-spacing: 0.05em;
      margin-bottom: 14px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
    }

    .footer-links a {
      display: inline-block;
      color: rgba(255, 255, 255, 0.66);
      padding: 5px 0;
      font-size: 14px;
      transition: color 0.2s ease, transform 0.2s ease;
    }

    .footer-links a:hover {
      color: var(--gold-soft);
      transform: translateX(3px);
    }

    .social-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      margin-right: 8px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 10px;
      color: rgba(255, 255, 255, 0.72);
      transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
    }

    .social-icon:hover {
      color: #fff;
      border-color: var(--gold-soft);
      background: rgba(182, 137, 63, 0.14);
    }

    .footer-bottom {
      margin-top: 44px;
      padding: 18px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      color: rgba(255, 255, 255, 0.5);
      font-size: 13px;
    }

    .footer-bottom p {
      margin-bottom: 0;
    }

    @media (max-width: 1199.98px) {
      .faq-layout {
        grid-template-columns: minmax(0, 1fr) 300px;
        gap: 36px;
      }

      .quick-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .hero-visual .hero-image-frame {
        aspect-ratio: 4 / 3;
      }
    }

    @media (max-width: 991.98px) {
      .site-header .header-inner {
        min-height: 68px;
      }

      .main-nav {
        display: none;
      }

      .faq-hero {
        padding: 64px 0 48px;
      }

      .faq-hero .row {
        row-gap: 40px;
      }

      .hero-visual {
        max-width: 560px;
        margin-left: 0;
      }

      .context-list {
        justify-content: flex-start;
      }

      .faq-main-section {
        padding: 60px 0 72px;
      }

      .faq-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 48px;
      }

      .help-aside {
        position: static;
      }

      .help-panel {
        max-width: 560px;
      }

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

    @media (max-width: 767.98px) {
      .brand-subtitle {
        display: none;
      }

      .brand-title {
        font-size: 16px;
        letter-spacing: -0.2px;
      }

      .faq-hero {
        padding: 50px 0 38px;
      }

      .faq-hero h1 {
        padding-left: 14px;
        font-size: 40px;
      }

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

      .hero-note {
        gap: 10px 14px;
      }

      .context-strip {
        padding: 16px 0;
      }

      .context-list li {
        width: 100%;
      }

      .quick-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
      }

      .quick-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 15px 14px;
      }

      .faq-main-section {
        padding: 50px 0 60px;
      }

      .faq-group-title {
        font-size: 19px;
      }

      .faq-group .accordion-button {
        padding: 18px 38px 18px 4px;
        font-size: 16px;
      }

      .faq-group .accordion-body {
        padding: 2px 18px 20px 4px !important;
        font-size: 14.5px;
        line-height: 1.85;
      }

      .section-heading h2 {
        font-size: 27px;
      }

      .support-form {
        padding: 26px 22px;
      }

      .return-access-section {
        padding: 60px 0;
      }

      .return-access-inner .btn-group-gap {
        flex-direction: column;
        width: 100%;
      }

      .return-access-inner .btn-group-gap .btn {
        width: 100%;
      }

      .site-footer {
        padding-top: 48px;
      }
    }

    @media (max-width: 575.98px) {
      .container {
        padding-right: 16px;
        padding-left: 16px;
      }

      .site-header .container {
        padding-right: 12px;
        padding-left: 12px;
      }

      .logo-mark {
        width: 36px;
        height: 36px;
      }

      .brand-title {
        font-size: 15px;
      }

      .faq-hero h1 {
        font-size: 34px;
      }

      .page-kicker {
        font-size: 12px;
      }

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

      .quick-item .quick-no {
        font-size: 12px;
      }

      .quick-item span:last-child {
        font-size: 14px;
      }

      .help-panel {
        padding: 24px 20px;
      }

      .footer-bottom {
        text-align: center;
      }
    }

    @media (max-width: 380px) {
      .brand-title {
        font-size: 13.5px;
      }

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

      .faq-hero h1 {
        font-size: 31px;
      }

      .hero-visual-tag {
        right: 2px;
      }
    }