/* roulang page: index */
:root{
  --ink:#16211F;
  --brand:#1D5C4F;
  --brand-deep:#0F3B33;
  --brand-hover:#17493F;
  --accent:#C9762F;
  --paper:#FBF8F2;
  --paper-2:#F3EEE4;
  --line:#E4DCCD;
  --muted:#5D6A64;
  --white:#FFFDF9;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-sm:0 1px 2px rgba(22,33,31,.04);
  --shadow-hover:0 10px 28px -14px rgba(22,33,31,.18);
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;color:var(--ink);margin:0;letter-spacing:.01em;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.3;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.4;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input{font-family:inherit;}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.j9-container{max-width:1280px;}}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--paper2{background:var(--paper-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{margin-bottom:6px;}
.section-sub{color:var(--muted);font-size:16px;max-width:640px;line-height:1.85;}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--accent);font-weight:600;margin-bottom:12px;font-family:var(--font-sans);}
.link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;color:var(--brand);white-space:nowrap;}
.link-more:hover{color:var(--accent);}
.link-more .arw{transition:transform .3s ease;}
.link-more:hover .arw{transform:translateX(4px);}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px -8px rgba(22,33,31,.16);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;transition:height .3s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--font-serif);font-size:22px;font-weight:700;letter-spacing:.02em;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  font-family:var(--font-sans);letter-spacing:0;
}
.brand-name{display:inline-flex;flex-direction:column;line-height:1.1;}
.brand-name small{font-family:var(--font-sans);font-size:11px;color:var(--muted);font-weight:400;letter-spacing:.14em;}
.main-nav{display:flex;align-items:center;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-list a{position:relative;display:inline-block;font-size:15px;color:var(--ink);padding:6px 0;font-weight:500;}
.nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);
  transition:width .25s ease;
}
.nav-list a:hover::after,.nav-list a.active::after{width:100%;}
.nav-list a:hover,.nav-list a.active{color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:var(--radius-btn);align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(22,33,31,.42);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:290;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;width:min(84vw,340px);height:100%;background:var(--white);
  z-index:300;transform:translateX(102%);transition:transform .34s ease;
  display:flex;flex-direction:column;padding:22px 20px 20px;border-left:1px solid var(--line);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);background:var(--paper);border-radius:8px;cursor:pointer;font-size:18px;color:var(--ink);line-height:1;}
.drawer-nav{margin-top:10px;flex:1;overflow-y:auto;}
.drawer-nav a{display:block;font-size:17px;line-height:52px;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:18px;width:100%;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  white-space:nowrap;text-align:center;
}
.btn-solid{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-solid:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:rgba(29,92,79,.08);color:var(--brand);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--paper-2);color:var(--ink);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}

.chip{
  display:inline-block;background:var(--paper-2);color:var(--brand);
  font-size:12px;line-height:1.7;padding:3px 12px;border-radius:999px;font-weight:600;letter-spacing:.02em;
}
.chip--accent{background:rgba(201,118,47,.12);color:var(--accent);}

/* ============ hero ============ */
.hero{background:linear-gradient(180deg,#FBF8F2 0%,#F5F0E5 100%);padding:64px 0 88px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:560px;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy .lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px 34px;padding-top:26px;border-top:1px solid var(--line);}
.hero-metric strong{display:block;font-family:var(--font-serif);font-size:26px;line-height:1.2;color:var(--brand);font-weight:700;}
.hero-metric span{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;
  box-shadow:0 18px 44px -26px rgba(22,33,31,.4);
}
.hero-badge{
  position:absolute;left:-18px;bottom:22px;background:var(--white);border:1px solid var(--line);
  border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-hover);max-width:230px;
}
.hero-badge strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px;}
.hero-badge span{font-size:13px;color:var(--muted);line-height:1.7;display:block;}

/* ============ points bar ============ */
.points-grid{margin-top:-8px;}
.point{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.point:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6CCB7;}
.point-ico{
  width:42px;height:42px;border-radius:11px;background:var(--paper-2);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.point h3{font-size:17px;margin-bottom:8px;}
.point p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}

/* ============ story ============ */
.story-grid{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;}
.story-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);}
.story-body h2{margin-bottom:20px;}
.story-body p{font-size:17px;color:#33413C;line-height:1.95;}
.quote-block{
  border-left:3px solid var(--accent);background:var(--paper-2);
  padding:20px 24px;border-radius:0 10px 10px 0;margin-top:24px;
}
.quote-block p{font-family:var(--font-serif);font-size:17px;color:var(--ink);line-height:1.85;margin:0;}

/* ============ bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-large{grid-column:span 7;display:flex;flex-direction:column;}
.bento-side{grid-column:span 5;display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6CCB7;}
.card-media{position:relative;overflow:hidden;background:var(--paper-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-large .card-media{aspect-ratio:16/9;}
.card-small .card-media{aspect-ratio:4/3;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;line-height:1.5;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:6px;}
.card-foot .arw{color:var(--brand);transition:transform .3s ease;font-weight:600;font-size:14px;}
.card:hover .card-foot .arw{transform:translateX(4px);}
.bento-wide{
  grid-column:span 12;display:flex;align-items:center;gap:22px;padding:20px 24px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);transition:transform .35s ease,box-shadow .35s ease;
}
.bento-wide:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.bento-wide img{width:120px;aspect-ratio:16/10;object-fit:cover;border-radius:10px;flex:none;}
.bento-wide .bw-text h3{font-size:17px;margin-bottom:6px;}
.bento-wide .bw-text h3 a{color:var(--ink);}
.bento-wide .bw-text h3 a:hover{color:var(--brand);}
.bento-wide .bw-text p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}

/* ============ news list ============ */
.news-list{display:flex;flex-direction:column;}
.news-item{
  display:grid;grid-template-columns:240px 1fr;gap:24px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.news-item:first-child{padding-top:0;}
.news-item:last-child{border-bottom:0;padding-bottom:0;}
.news-thumb{display:block;border-radius:10px;overflow:hidden;background:var(--paper-2);}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-body h3{font-size:19px;line-height:1.5;}
.news-body h3 a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;font-size:13px;color:var(--muted);}
.news-meta .arw{color:var(--brand);font-weight:600;transition:transform .3s ease;}
.news-item:hover .news-meta .arw{transform:translateX(4px);}
.empty-state{
  text-align:center;padding:64px 24px;background:var(--white);
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state svg{color:var(--line);margin-bottom:16px;}
.empty-state p{font-size:16px;color:var(--muted);margin-bottom:22px;}

/* ============ trust ============ */
.trust-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.trust-stats{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;}
.stat strong{display:block;font-family:var(--font-serif);font-size:30px;color:var(--brand);line-height:1.2;margin-bottom:4px;}
.stat span{font-size:13.5px;color:var(--muted);line-height:1.7;}
.logo-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:32px;}
.logo-item{
  height:64px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--white);
  font-size:14px;color:#8C9791;font-weight:600;letter-spacing:.04em;
  filter:grayscale(1);opacity:.72;transition:filter .3s ease,opacity .3s ease,color .3s ease;
}
.logo-item:hover{filter:grayscale(0);opacity:1;color:var(--brand);}
.testimonials{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.testimonial{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;}
.tm-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.tm-avatar{
  width:48px;height:48px;border-radius:50%;background:var(--brand);color:#fff;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;font-family:var(--font-serif);
}
.tm-head strong{display:block;font-size:15px;line-height:1.4;}
.tm-head span{font-size:12.5px;color:var(--muted);}
.testimonial p{font-size:14.5px;color:#3A4742;line-height:1.85;margin:0;}

/* ============ faq ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;padding:22px 0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;color:var(--ink);font-family:var(--font-sans);line-height:1.7;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:400;
  color:var(--brand);transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 0 24px;font-size:16px;line-height:1.9;color:#3A4742;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ cta ============ */
.cta-band{background:var(--brand-deep);color:#E9F1EE;padding:72px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(233,241,238,.78);font-size:16px;margin:0;}
.subscribe-form{display:flex;gap:12px;}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(233,241,238,.28);background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.subscribe-form input::placeholder{color:rgba(233,241,238,.55);}
.subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,118,47,.4);background:rgba(255,255,255,.12);}
.cta-note{font-size:13px;color:rgba(233,241,238,.6);margin-top:14px;}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:rgba(251,248,242,.8);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.4fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-serif);font-size:22px;font-weight:700;margin-bottom:16px;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:var(--brand);}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(251,248,242,.66);margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(251,248,242,.72);}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{font-size:14px;color:rgba(251,248,242,.72);margin-bottom:10px;line-height:1.7;}
.footer-contact li strong{color:#fff;font-weight:600;display:block;font-size:13px;letter-spacing:.04em;margin-bottom:2px;opacity:.75;}
.footer-sub p{margin-bottom:16px;}
.footer-sub form{display:flex;gap:10px;}
.footer-sub input{
  flex:1;height:44px;padding:0 14px;border-radius:var(--radius-btn);font-size:14px;
  border:1px solid rgba(251,248,242,.22);background:rgba(255,255,255,.06);color:#fff;
}
.footer-sub input::placeholder{color:rgba(251,248,242,.5);}
.footer-sub input:focus{outline:none;border-color:var(--accent);}
.footer-sub .btn{height:44px;padding:0 18px;font-size:14px;background:var(--brand);color:#fff;border-color:var(--brand);}
.footer-sub .btn:hover{background:var(--brand-hover);}
.footer-bottom{
  border-top:1px solid rgba(251,248,242,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(251,248,242,.6);
}
.footer-bottom a{color:rgba(251,248,242,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ responsive ============ */
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-solid{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;}
  .hero-copy .lead{max-width:none;}
  .hero-badge{left:12px;bottom:12px;}
  .story-grid{grid-template-columns:1fr;gap:36px;}
  .bento-large,.bento-side{grid-column:span 12;}
  .bento-side{grid-template-rows:auto auto;}
  .trust-grid{grid-template-columns:1fr;gap:40px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 64px;}
  .hero-actions{flex-direction:column;align-items:stretch;margin-bottom:32px;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:16px 28px;}
  .hero-metric strong{font-size:22px;}
  .news-item{grid-template-columns:1fr;gap:14px;padding:20px 0;}
  .news-thumb img{aspect-ratio:16/9;}
  .bento-wide{flex-direction:column;align-items:flex-start;gap:14px;}
  .bento-wide img{width:100%;aspect-ratio:16/9;}
  .trust-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .logo-wall{grid-template-columns:1fr 1fr;}
  .testimonials{grid-template-columns:1fr;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-sub form{flex-direction:column;}
  .footer-sub .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:519px){
  .j9-container{padding-left:16px;padding-right:16px;}
  .hero-metrics{gap:14px 20px;}
  .hero-metric{flex:1 1 40%;}
  .trust-stats{grid-template-columns:1fr;}
  .logo-wall{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --ink:#16211F;
  --brand:#1D5C4F;
  --brand-deep:#0F3B33;
  --accent:#C9762F;
  --paper:#FBF8F2;
  --paper-2:#F3EEE4;
  --line:#E4DCCD;
  --muted:#5D6A64;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04);
  --shadow-2:0 10px 28px -14px rgba(22,33,31,.18);
  --ease:.35s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,border-color .25s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink);margin:0;letter-spacing:.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1440px){.j9-container{max-width:1280px}}
section{position:relative}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all var(--ease);white-space:nowrap;
}
.btn-solid{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-solid:hover{background:#174a40;border-color:#174a40;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(29,92,79,.08);color:var(--brand);transform:translateY(-1px)}
.btn-text{background:none;border:0;padding:0 0 0 4px;min-height:auto;color:var(--brand);font-weight:600}
.btn-text i{transition:transform var(--ease)}
.btn-text:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px -20px rgba(22,33,31,.45)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:11px;background:var(--brand);
  color:#fff;font-family:var(--serif);font-size:15px;font-weight:700;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-family:var(--serif);font-size:17px;color:var(--ink);letter-spacing:.06em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.14em}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--ink);
}
.nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-list a:hover{color:var(--brand)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.active{color:var(--brand);font-weight:600}
.nav-list a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-actions .btn{min-height:44px;padding:0 20px;font-size:14.5px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:all .3s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.panel-backdrop{
  position:fixed;inset:0;background:rgba(22,33,31,.42);opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;z-index:80;
}
.panel-backdrop.is-open{opacity:1;visibility:visible}
.mobile-panel{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:90;
  background:var(--paper);padding:26px 22px;display:flex;flex-direction:column;
  transform:translateX(105%);transition:transform .35s ease;overflow-y:auto;box-shadow:-12px 0 40px -24px rgba(22,33,31,.4);
}
.mobile-panel.is-open{transform:translateX(0)}
.mobile-panel h4{font-size:13px;color:var(--muted);letter-spacing:.12em;margin:20px 0 8px;font-family:var(--sans)}
.mobile-panel a{display:block;font-size:17px;color:var(--ink);padding:13px 0;border-bottom:1px solid var(--line)}
.mobile-panel a.active{color:var(--brand);font-weight:600}
.mobile-panel .btn{width:100%;margin-top:20px}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line);padding:14px 0}
.breadcrumb{font-size:14px;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li:not(:first-child)::before{content:"/";color:#b7ae9c}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{
  color:var(--ink);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-hero{padding:56px 0 40px;background:var(--paper)}
.article-head{max-width:820px}
.cat-pill{
  display:inline-block;background:var(--paper-2);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.06em;padding:5px 12px;border-radius:999px;
  margin-bottom:18px;
}
.article-head h1{font-size:clamp(28px,3.6vw,40px);line-height:1.35;margin-bottom:20px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  font-size:14px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--line);
}
.article-meta .dot{color:#c3b9a6}
.article-meta i{color:var(--accent);margin-right:6px;font-size:13px}

/* ---------- 布局 ---------- */
.article-main{padding:48px 0 88px;background:var(--paper)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 260px}}

/* ---------- 正文 ---------- */
.article-body{max-width:760px;font-size:17.5px;line-height:1.95;color:var(--ink)}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:26px;line-height:1.4;margin:2.4em 0 .7em;padding-left:14px;
  border-left:3px solid var(--accent);
}
.article-body h3{font-size:20px;line-height:1.5;margin:2em 0 .6em}
.article-body h4{font-size:17px;margin:1.6em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.4em}
.article-body ul li{position:relative;padding-left:20px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.86em;width:6px;height:6px;
  background:var(--accent);border-radius:2px;
}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body ol li{margin:.5em 0}
.article-body blockquote{
  margin:1.8em 0;padding:20px 22px;background:var(--paper-2);
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:#33413c;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:10px;margin:1.8em auto;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(201,118,47,.45)}
.article-body a:hover{color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body thead th{background:var(--paper-2);color:var(--brand)}
.article-body tbody tr:nth-child(even){background:#FAF6EF}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px;text-align:center;padding:64px 24px;border:1px solid var(--line);
  border-radius:var(--radius-card);background:#fff;
}
.empty-state i{font-size:44px;color:var(--accent);display:block;margin-bottom:18px}
.empty-state p{font-size:16px;color:var(--muted);margin-bottom:22px}

/* ---------- 文末标签与翻页 ---------- */
.article-foot{max-width:760px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  display:inline-block;padding:5px 12px;font-size:13px;color:var(--muted);
  background:var(--paper-2);border-radius:999px;transition:all var(--ease);
}
.tag:hover{color:#fff;background:var(--brand)}
.page-nav{display:flex;flex-wrap:wrap;gap:14px}
.page-nav .btn{flex:1 1 220px}

/* ---------- 侧栏 ---------- */
.article-aside{display:none}
@media(min-width:1024px){
  .article-aside{
    display:block;position:sticky;top:104px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);
  }
}
.aside-block+.aside-block{margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.aside-block h4{font-size:14px;color:var(--ink);margin-bottom:12px;font-family:var(--sans);letter-spacing:.04em}
.aside-block p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:12px}
.aside-list li+li{margin-top:10px}
.aside-list a{font-size:14px;color:var(--ink);display:block;line-height:1.6}
.aside-list a:hover{color:var(--accent)}
.aside-list span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.aside-block .btn{width:100%;min-height:44px;font-size:14px}

/* ---------- 相关推荐 ---------- */
.related{background:var(--paper-2);padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:30px;line-height:1.4}
.section-head p{font-size:15px;color:var(--muted);margin:8px 0 0}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d8cebb}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;line-height:1.5}
.card-body p{font-size:15px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;margin-top:auto}
.card-link i{transition:transform var(--ease)}
.card-link:hover i{transform:translateX(4px)}

/* ---------- 联系 CTA ---------- */
.cta-band{background:var(--brand-deep);color:#fff;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:900px){.cta-inner{grid-template-columns:1.4fr 1fr}}
.cta-band h2{color:#fff;font-size:30px;line-height:1.4}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;margin:12px 0 0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}
.cta-band .btn-solid{background:var(--accent);border-color:var(--accent)}
.cta-band .btn-solid:hover{background:#b2661f;border-color:#b2661f}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:64px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-family:var(--serif);font-size:18px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--accent);color:#fff}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-family:var(--sans);letter-spacing:.04em}
.site-footer p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.85;margin:0}
.footer-links li+li,.footer-contact li+li{margin-top:10px}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-contact strong{color:#fff;font-weight:600;margin-right:8px}
.footer-sub form{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.footer-sub input{
  height:48px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:15px;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.5)}
.footer-sub input:focus{outline:2px solid var(--accent);outline-offset:2px;border-color:transparent}
.footer-sub .btn{background:var(--accent);border-color:var(--accent);color:#fff;width:100%}
.footer-sub .btn:hover{background:#b2661f;border-color:#b2661f}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.8);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .header-inner{min-height:64px}
}
@media(max-width:767px){
  body{font-size:16.5px}
  .j9-container{padding:0 18px}
  .article-hero{padding:36px 0 28px}
  .article-main{padding:32px 0 64px}
  .article-body{font-size:17px;line-height:1.92}
  .article-body h2{font-size:22px}
  .related{padding:56px 0}
  .cta-band{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start}
  .breadcrumb .current{max-width:180px}
}
@media(max-width:520px){
  .page-nav .btn{flex:1 1 100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#16211F;
  --brand:#1D5C4F;
  --brand-deep:#0F3B33;
  --accent:#C9762F;
  --paper:#FBF8F2;
  --paper-2:#F3EEE4;
  --line:#E4DCCD;
  --muted:#5D6A64;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04);
  --shadow-2:0 10px 28px -14px rgba(22,33,31,.18);
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;color:var(--ink);margin:0}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.3;letter-spacing:.01em}
h2{font-size:clamp(26px,2.6vw,32px);line-height:1.4}
h3{font-size:20px;line-height:1.5}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input{font-family:inherit}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.j9-container{max-width:1280px}}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--paper2{background:var(--paper-2)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--accent);font-weight:600;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:17px;margin-top:14px}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(22,33,31,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:21px;font-weight:600;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--ink)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;background:var(--brand);
  color:#FBF8F2;font-size:15px;font-weight:700;letter-spacing:.04em;
}
.main-nav{display:block}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--ink);white-space:nowrap;
}
.nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--accent);transition:width .25s ease;
}
.nav-list a:hover{color:var(--brand)}
.nav-list a:hover::after,.nav-list a:focus-visible::after{width:100%}
.nav-list a.active{color:var(--brand);font-weight:600}
.nav-list a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px}
.header-actions .link-quiet{font-size:15px;color:var(--muted)}
.header-actions .link-quiet:hover{color:var(--accent)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--paper);color:var(--ink);font-size:17px;cursor:pointer;
  transition:background .25s ease,border-color .25s ease;
}
.nav-toggle:hover{background:var(--paper-2);border-color:var(--brand)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  background:var(--brand);color:#FBF8F2;border:1px solid var(--brand);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn:hover{background:#17493f;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:rgba(29,92,79,.08);color:var(--brand-deep);transform:translateY(-1px);box-shadow:none}
.btn-light{background:var(--paper);color:var(--brand-deep);border-color:var(--paper)}
.btn-light:hover{background:#fff;color:var(--brand-deep)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--paper-2);color:var(--brand);
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  letter-spacing:.02em;
}
.tag--accent{color:var(--accent);background:rgba(201,118,47,.1)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0 0 22px;padding:0;font-size:14px;color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li+li::before{content:"/";color:#C9BFA9}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:var(--ink);max-width:16em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Hero */
.page-hero{padding:52px 0 68px;background:var(--paper)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:52px;align-items:center}
}
.hero-copy h1{margin-bottom:20px}
.hero-lead{font-size:18px;color:var(--muted);max-width:34em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 26px;padding-top:22px;border-top:1px solid var(--line)}
.hero-facts li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.hero-facts i{color:var(--accent);font-size:13px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:16px;box-shadow:var(--shadow-1);
}
.hero-media figcaption{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}

/* 锚点导航 */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:40;
  background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;align-items:center;gap:22px;min-height:62px;flex-wrap:wrap}
.anchor-label{font-size:13px;letter-spacing:.14em;color:var(--accent);font-weight:600;flex:none}
.anchor-list{display:flex;flex-wrap:wrap;gap:8px}
.anchor-list a{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;
  border-radius:999px;font-size:14px;color:var(--ink);background:transparent;
  border:1px solid transparent;transition:all .25s ease;
}
.anchor-list a:hover{border-color:var(--brand);color:var(--brand);background:var(--paper)}
.anchor-list span{color:var(--accent);font-size:12px;font-weight:700}
.anchor-mobile{display:none;width:100%}
.anchor-mobile details{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:4px 14px;margin:8px 0}
.anchor-mobile summary{list-style:none;cursor:pointer;font-size:14px;padding:10px 0;color:var(--ink);display:flex;justify-content:space-between;align-items:center}
.anchor-mobile summary::-webkit-details-marker{display:none}
.anchor-mobile ul{display:grid;gap:4px;padding:6px 0 12px}
.anchor-mobile a{font-size:14px;color:var(--muted);display:block;padding:6px 0}
.anchor-mobile a:hover{color:var(--accent)}

/* 图文交替 */
.alt-list{display:grid;gap:64px}
.alt-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:900px){
  .alt-row{grid-template-columns:1fr 1fr;gap:56px}
  .alt-row .alt-media{order:0}
  .alt-row.reverse .alt-media{order:2}
}
.alt-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.alt-row:hover .alt-media img{transform:scale(1.02);box-shadow:var(--shadow-2)}
.alt-index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--accent);font-weight:600;margin-bottom:14px;
}
.alt-index::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block}
.alt-body h3{font-size:24px;margin-bottom:14px}
.alt-body p{color:var(--muted);font-size:17px}
.alt-points{display:grid;gap:10px;margin-top:18px}
.alt-points li{position:relative;padding-left:20px;font-size:15px;color:var(--ink)}
.alt-points li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;
  background:var(--accent);border-radius:2px;
}

/* 引述 */
.pull-quote{
  margin:0;padding:26px 30px;background:var(--paper-2);
  border-left:3px solid var(--accent);border-radius:0 var(--radius-card) var(--radius-card) 0;
  font-family:var(--font-serif);font-size:clamp(19px,2vw,22px);line-height:1.8;color:var(--ink);
}
.pull-quote footer{margin-top:14px;font-family:var(--font-sans);font-size:14px;color:var(--muted)}

/* 准则卡片 */
.rule-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.rule-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rule-grid{grid-template-columns:repeat(4,1fr)}}
.rule-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6CBB5}
.rule-card i{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;background:rgba(29,92,79,.09);
  color:var(--brand);font-size:17px;margin-bottom:16px;
}
.rule-card h3{font-size:18px;margin-bottom:10px}
.rule-card p{font-size:15px;color:var(--muted);line-height:1.85}

/* 数据条 */
.stat-band{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.stat-band{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.stat-band{grid-template-columns:repeat(4,1fr);gap:28px}}
.stat-item{border-top:2px solid var(--brand);padding-top:18px}
.stat-num{font-family:var(--font-serif);font-size:36px;font-weight:600;color:var(--brand-deep);line-height:1.2}
.stat-num small{font-size:15px;font-family:var(--font-sans);color:var(--muted);margin-left:6px;font-weight:400}
.stat-item p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.8}

/* CTA */
.cta-band{background:var(--brand-deep);color:rgba(251,248,242,.86);padding:76px 0}
.cta-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:900px){.cta-grid{grid-template-columns:1fr 1fr;gap:56px}}
.cta-band h2{color:#FBF8F2;margin-bottom:14px}
.cta-band p{color:rgba(251,248,242,.78);font-size:16px;margin:0}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{
  flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(251,248,242,.32);background:rgba(251,248,242,.08);color:#FBF8F2;
  font-size:15px;transition:border-color .25s ease,box-shadow .25s ease;
}
.cta-form input::placeholder{color:rgba(251,248,242,.55)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,118,47,.28);outline:none}
.cta-note{font-size:13px;color:rgba(251,248,242,.6);margin-top:14px}

/* 页脚 */
.site-footer{background:#111B19;color:rgba(251,248,242,.78);padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}}
.footer-grid h4{color:#FBF8F2;font-size:16px;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.02em}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#FBF8F2;font-family:var(--font-serif);font-size:20px;font-weight:600;margin-bottom:14px}
.footer-brand:hover{color:#FBF8F2}
.footer-brand .brand-mark{background:var(--accent)}
.site-footer p{font-size:14px;color:rgba(251,248,242,.68);line-height:1.85}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(251,248,242,.75)}
.footer-links a:hover{color:#FBF8F2;text-decoration:underline}
.footer-contact{display:grid;gap:12px}
.footer-contact li{font-size:14px;color:rgba(251,248,242,.72)}
.footer-contact strong{display:block;color:#FBF8F2;font-weight:600;font-size:13px;letter-spacing:.06em;margin-bottom:2px}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.footer-sub input{
  flex:1 1 150px;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(251,248,242,.28);background:rgba(251,248,242,.06);color:#FBF8F2;font-size:14px;
}
.footer-sub input::placeholder{color:rgba(251,248,242,.5)}
.footer-sub input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,118,47,.25);outline:none}
.footer-sub .btn{height:46px;padding:0 20px;background:var(--accent);border-color:var(--accent);color:#FBF8F2}
.footer-sub .btn:hover{background:#b7661f}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(251,248,242,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(251,248,242,.6);
}
.footer-bottom a{color:rgba(251,248,242,.7)}
.footer-bottom a:hover{color:var(--accent)}

/* 页尾返回 */
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px}

/* 响应式导航 */
@media (max-width:1023px){
  :root{--header-h:60px}
  .header-inner{min-height:60px}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .header-actions .link-quiet{display:none}
  html{scroll-padding-top:120px}
  .main-nav{
    position:fixed;top:var(--header-h);right:0;bottom:0;width:min(320px,84vw);
    background:var(--paper);border-left:1px solid var(--line);
    padding:18px 20px 96px;overflow-y:auto;
    transform:translateX(104%);transition:transform .32s ease;z-index:55;
    box-shadow:-12px 0 34px -22px rgba(22,33,31,.5);
  }
  body.nav-open .main-nav{transform:translateX(0)}
  body.nav-open::after{
    content:"";position:fixed;inset:var(--header-h) 0 0 0;background:rgba(22,33,31,.34);z-index:50;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-bottom:1px solid var(--line)}
  .nav-list li:last-child{border-bottom:none}
  .nav-list a{display:block;font-size:17px;line-height:52px;padding:0}
  .nav-list a::after{display:none}
  .nav-list a.active{background:var(--paper-2);padding-left:12px;border-radius:8px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .anchor-list{display:none}
  .anchor-mobile{display:block}
  .anchor-inner{padding:6px 0}
}
@media (max-width:639px){
  body{font-size:16px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .alt-body h3{font-size:20px}
  .cta-form .btn{flex:1 1 100%}
  .footer-sub .btn{flex:1 1 100%}
}

/* roulang page: category2 */
:root{
  --ink:#16211F;
  --brand:#1D5C4F;
  --brand-deep:#0F3B33;
  --accent:#C9762F;
  --paper:#FBF8F2;
  --paper-2:#F3EEE4;
  --line:#E4DCCD;
  --muted:#5D6A64;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04);
  --shadow-2:0 10px 28px -14px rgba(22,33,31,.18);
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;color:var(--ink);margin:0;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input{font-family:inherit;}

[id]{scroll-margin-top:96px;}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){
  .j9-container{max-width:1280px;}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -20px rgba(22,33,31,.5);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
  transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:21px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.02em;
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:9px;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
}

.main-nav{display:none;margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-list a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--ink);
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-list a:hover{color:var(--brand);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.active{color:var(--brand);font-weight:600;}
.nav-list a.active::after{transform:scaleX(1);}

.header-actions{display:none;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  margin-left:auto;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
  display:grid;
  place-items:center;
  transition:border-color .25s ease,color .25s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

@media (min-width:1024px){
  .main-nav{display:block;}
  .header-actions{display:flex;}
  .nav-toggle{display:none;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  background:var(--brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn:hover{background:#175045;color:#fff;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-outline{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-outline:hover{
  background:rgba(29,92,79,.08);
  color:var(--brand);
  border-color:var(--brand);
}
.btn-accent{background:var(--accent);}
.btn-accent:hover{background:#b46726;}
.btn-text{
  background:none;
  border:0;
  padding:0;
  height:auto;
  color:var(--brand);
  font-weight:600;
}
.btn-text:hover{background:none;color:var(--accent);transform:none;}
.btn-text i{transition:transform .3s ease;}
.btn-text:hover i{transform:translateX(4px);}
.btn:disabled{opacity:.45;cursor:not-allowed;}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(16,25,23,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:min(86vw,360px);
  background:var(--paper);
  z-index:80;
  transform:translateX(102%);
  transition:transform .35s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  box-shadow:-14px 0 40px -24px rgba(16,25,23,.6);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-family:var(--font-serif);font-size:18px;color:var(--ink);}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--paper);
  color:var(--ink);
  cursor:pointer;
  display:grid;place-items:center;
  font-size:16px;
}
.drawer-close:hover{border-color:var(--accent);color:var(--accent);}
.mobile-drawer ul{margin-top:24px;}
.mobile-drawer ul a{
  display:block;
  font-size:17px;
  line-height:52px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer ul a.active{color:var(--brand);font-weight:600;}
.mobile-drawer ul a:hover{color:var(--accent);}
.drawer-cta{margin-top:auto;width:100%;}
@media (min-width:1024px){
  .mobile-drawer,.drawer-mask{display:none;}
}
body.no-scroll{overflow:hidden;}

/* ---------- hero ---------- */
.hero{background:var(--paper);padding:32px 0 64px;}
@media (min-width:1024px){.hero{padding:44px 0 88px;}}

.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:26px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#c3b9a5;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb li[aria-current]{color:var(--ink);}

.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:56px;}
}

.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--accent);
  background:rgba(201,118,47,.08);
  border:1px solid rgba(201,118,47,.32);
  border-radius:999px;
  padding:4px 14px;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.32;
  margin-bottom:20px;
}
.hero-lead{
  font-size:18px;
  line-height:1.85;
  color:var(--muted);
  max-width:34em;
  margin-bottom:0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-actions .btn{min-width:180px;}
@media (max-width:520px){
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
@media (min-width:640px){
  .hero-stats{grid-template-columns:repeat(4,1fr);}
}
.hero-stats strong{
  display:block;
  font-family:var(--font-serif);
  font-size:24px;
  line-height:1.3;
  color:var(--brand);
}
.hero-stats span{font-size:13px;color:var(--muted);}

.hero-media{margin:0;}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:16px;
  box-shadow:var(--shadow-2);
  background:var(--paper-2);
}

.anchor-drop{margin-top:36px;}
.anchor-drop summary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:var(--brand);
  cursor:pointer;
  list-style:none;
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 16px;
  background:var(--paper);
}
.anchor-drop summary::-webkit-details-marker{display:none;}
.anchor-drop summary i{font-size:12px;}
.anchor-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.anchor-list a{
  display:inline-block;
  padding:7px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  background:var(--paper);
  transition:border-color .25s ease,color .25s ease,background-color .25s ease;
}
.anchor-list a:hover{border-color:var(--accent);color:var(--accent);}
@media (min-width:640px){
  .anchor-drop summary{display:none;}
  .anchor-list{margin-top:0;}
}

/* ---------- sections ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section--paper2{background:var(--paper-2);}
.section--paper{background:var(--paper);}

.section-head{max-width:760px;margin-bottom:42px;}
.section-head h2{
  font-size:clamp(24px,2.7vw,32px);
  line-height:1.4;
  margin-bottom:14px;
}
.section-head p{font-size:16px;color:var(--muted);margin:0;}

/* ---------- principles ---------- */
.principles{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:640px){.principles{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.principles{grid-template-columns:repeat(4,1fr);}}
.principle{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.principle:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.principle i{font-size:20px;color:var(--accent);}
.principle h3{font-size:18px;line-height:1.5;margin:14px 0 8px;}
.principle p{font-size:15px;line-height:1.85;color:var(--muted);margin:0;}

/* ---------- steps ---------- */
.step-track{
  display:grid;
  grid-template-columns:1fr;
  gap:30px;
}
@media (min-width:900px){
  .step-track{grid-template-columns:repeat(4,1fr);gap:24px;}
}
.step-item{position:relative;}
.step-num{
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  font-family:var(--font-serif);
  font-size:15px;
  letter-spacing:.04em;
  flex:0 0 auto;
}
.step-item h3{font-size:19px;line-height:1.5;margin:14px 0 10px;}
.step-item p{font-size:15px;line-height:1.9;color:var(--muted);margin:0;}

@media (max-width:899px){
  .step-item{padding-left:58px;min-height:64px;}
  .step-num{position:absolute;left:0;top:2px;}
  .step-item:not(:last-child)::before{
    content:"";
    position:absolute;
    left:20px;
    top:52px;
    bottom:-28px;
    width:1px;
    background:var(--line);
  }
}
@media (min-width:900px){
  .step-item{padding-top:66px;}
  .step-num{position:absolute;left:0;top:0;}
  .step-item h3{margin-top:0;}
  .step-item:not(:last-child)::before{
    content:"";
    position:absolute;
    left:56px;
    right:-24px;
    top:21px;
    height:1px;
    background:var(--line);
  }
}

/* ---------- detail cards ---------- */
.detail-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:900px){.detail-grid{grid-template-columns:repeat(2,1fr);}}
.detail-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.detail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.detail-top{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.detail-top span{
  font-family:var(--font-serif);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--accent);
}
.detail-card h3{font-size:20px;line-height:1.5;margin:0 0 14px;}
.detail-row{
  display:flex;
  gap:14px;
  padding:11px 0;
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.detail-row strong{
  flex:0 0 72px;
  color:var(--ink);
  font-weight:600;
}
.cycle-tag{
  display:inline-block;
  margin-top:16px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--paper-2);
  color:var(--brand);
  font-size:12px;
  letter-spacing:.04em;
}

/* ---------- scene cards ---------- */
.scene-grid{
  display:grid !important;
  grid-template-columns:1fr;
  gap:24px;
  margin:0 !important;
}
@media (min-width:640px){.scene-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.scene-grid{grid-template-columns:repeat(4,1fr);}}
.scene-grid > .cell{
  width:auto !important;
  margin:0 !important;
  padding:0 !important;
  display:flex;
}
.scene-card{
  display:flex;
  flex-direction:column;
  width:100%;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.scene-card img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  background:var(--paper-2);
  transition:transform .35s ease;
}
.scene-card:hover img{transform:scale(1.03);}
.scene-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pill{
  align-self:flex-start;
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  background:var(--paper-2);
  color:var(--brand);
  letter-spacing:.02em;
}
.scene-body h3{font-size:17px;line-height:1.55;}
.scene-body p{font-size:15px;line-height:1.85;color:var(--muted);margin:0;}
.scene-link{
  margin-top:auto;
  padding-top:10px;
  font-size:14px;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.scene-link i{transition:transform .3s ease;}
.scene-card:hover .scene-link i{transform:translateX(4px);}

/* ---------- rhythm ---------- */
.rhythm{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.rhythm{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.rhythm{grid-template-columns:repeat(4,1fr);}}
.rhythm-item{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.rhythm-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rhythm-week{
  font-family:var(--font-serif);
  font-size:14px;
  letter-spacing:.08em;
  color:var(--accent);
}
.rhythm-item h3{font-size:18px;line-height:1.5;margin:12px 0 8px;}
.rhythm-item p{font-size:15px;line-height:1.85;color:var(--muted);margin:0;}
.rhythm-note{
  margin-top:26px;
  font-size:14px;
  color:var(--muted);
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.rhythm-note i{color:var(--accent);margin-top:5px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  background:none;
  border:0;
  padding:22px 0;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  text-align:left;
  font-family:var(--font-serif);
  font-size:17px;
  line-height:1.6;
  color:var(--ink);
  cursor:pointer;
  transition:color .25s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{
  flex:0 0 auto;
  margin-top:5px;
  font-size:15px;
  color:var(--accent);
  transition:transform .3s ease;
}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{
  display:none;
  max-width:66ch;
  padding:0 40px 24px 0;
  font-size:16px;
  line-height:1.9;
  color:var(--muted);
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- cta ---------- */
.cta-band{background:var(--brand-deep);color:#fff;padding:64px 0;}
@media (min-width:1024px){.cta-band{padding:88px 0;}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){
  .cta-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
}
.cta-band h2{
  color:#fff;
  font-size:clamp(24px,2.7vw,32px);
  line-height:1.4;
  margin-bottom:14px;
}
.cta-band p{color:rgba(251,248,242,.78);font-size:16px;margin:0;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
@media (min-width:640px){.cta-form{flex-direction:row;}}
.cta-form input{
  flex:1;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(251,248,242,.28);
  background:rgba(251,248,242,.08);
  color:#fff;
  font-size:15px;
  transition:border-color .25s ease,background-color .25s ease;
}
.cta-form input::placeholder{color:rgba(251,248,242,.62);}
.cta-form input:hover{border-color:rgba(251,248,242,.42);}
.cta-form input:focus{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-color:transparent;
}
.cta-form .btn{height:48px;}
@media (max-width:639px){
  .cta-form .btn{width:100%;}
}
.cta-note{
  margin-top:14px;
  font-size:13px;
  color:rgba(251,248,242,.6);
  line-height:1.8;
}

/* ---------- back link ---------- */
.back-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  padding:44px 0 0;
  border-top:1px solid var(--line);
  margin-top:8px;
}

/* ---------- footer ---------- */
.site-footer{
  background:#101917;
  color:rgba(251,248,242,.82);
  padding:64px 0 26px;
  font-size:15px;
  line-height:1.85;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:20px;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:var(--brand);}
.site-footer p{color:rgba(251,248,242,.72);font-size:15px;margin:0;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-links,.footer-contact{display:grid;gap:10px;}
.footer-links a{color:rgba(251,248,242,.82);}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{color:rgba(251,248,242,.72);font-size:15px;}
.footer-contact strong{
  color:rgba(251,248,242,.95);
  font-weight:600;
  margin-right:8px;
}
.footer-sub form{display:flex;gap:10px;margin-top:14px;}
.footer-sub input{
  flex:1;
  min-width:0;
  height:46px;
  padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(251,248,242,.24);
  background:rgba(251,248,242,.06);
  color:#fff;
  font-size:14px;
}
.footer-sub input::placeholder{color:rgba(251,248,242,.55);}
.footer-sub input:focus{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-color:transparent;
}
.footer-sub .btn{
  height:46px;
  padding:0 18px;
  background:var(--accent);
  font-size:14px;
}
.footer-sub .btn:hover{background:#b46726;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(251,248,242,.14);
  font-size:13px;
  color:rgba(251,248,242,.6);
}
.footer-bottom a{color:rgba(251,248,242,.78);}
.footer-bottom a:hover{color:var(--accent);}

@media (max-width:1023px){
  .site-footer{padding-top:52px;}
}

/* roulang page: category3 */
:root{
  --ink:#16211F;
  --brand:#1D5C4F;
  --brand-deep:#0F3B33;
  --accent:#C9762F;
  --paper:#FBF8F2;
  --paper-2:#F3EEE4;
  --line:#E4DCCD;
  --muted:#5D6A64;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04);
  --shadow-2:0 10px 28px -14px rgba(22,33,31,.18);
  --font-title:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.9;font-weight:400;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font-title);font-weight:600;letter-spacing:.01em;margin:0;line-height:1.4}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:rgba(201,118,47,.22)}

.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media screen and (min-width:1440px){.j9-container{max-width:1280px}}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,248,242,.96);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(22,33,31,.4)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .3s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-title);font-size:20px;font-weight:600;color:var(--ink);flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--brand);color:var(--paper);font-size:15px;font-family:var(--font-body);font-weight:700;letter-spacing:.02em;flex:0 0 auto}
.brand:hover{color:var(--brand)}
.brand-text{letter-spacing:.04em}

.main-nav ul{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;display:inline-block;font-size:15px;color:var(--ink);padding:6px 0;line-height:1.5}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .25s ease}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a.active{color:var(--brand)}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--paper);border-radius:10px;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;font-size:17px}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;line-height:1;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .25s ease,background-color .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease}
.btn-solid{background:var(--brand);color:var(--paper)}
.btn-solid:hover{background:#17493F;color:var(--paper);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(29,92,79,.08);color:var(--brand);transform:translateY(-1px)}
.btn-light{background:var(--paper);color:var(--brand-deep)}
.btn-light:hover{background:#FFFFFF;color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost-light{border-color:rgba(251,248,242,.45);color:var(--paper)}
.btn-ghost-light:hover{background:rgba(251,248,242,.12);color:var(--paper)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ mobile drawer ============ */
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--paper);z-index:90;transform:translateX(102%);transition:transform .32s ease;display:flex;flex-direction:column;box-shadow:-16px 0 40px -20px rgba(22,33,31,.45)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border:none;background:transparent;color:var(--ink);font-size:24px;line-height:1;cursor:pointer;border-radius:10px}
.drawer-close:hover{background:var(--paper-2);color:var(--brand)}
.drawer-nav{padding:8px 20px;flex:1 1 auto;overflow-y:auto}
.drawer-nav a{display:block;font-size:17px;line-height:52px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav li:last-child a{border-bottom:none}
.drawer-nav a.active{color:var(--brand)}
.drawer-nav a:hover{color:var(--accent)}
.drawer-foot{padding:16px 20px 26px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(22,33,31,.42);opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ============ hero ============ */
.page-hero{padding:56px 0 0;background:linear-gradient(180deg,#FBF8F2 0%,#F6F1E7 100%)}
.breadcrumb{padding:8px 0 22px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:10px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--ink)}

.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:44px}
.hero-copy h1{font-size:clamp(30px,4.2vw,46px);line-height:1.3;margin-bottom:18px}
.hero-copy h1 em{font-style:normal;color:var(--brand);box-shadow:inset 0 -10px 0 rgba(201,118,47,.16)}
.hero-lead{font-size:17px;color:var(--muted);max-width:680px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-figure{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.hero-figure img{width:100%;aspect-ratio:21/9;object-fit:cover}
@media screen and (max-width:639px){.hero-figure img{aspect-ratio:16/10}}

/* ============ metrics ============ */
.metric-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}
.metric-grid{display:grid;grid-template-columns:1fr;gap:18px}
.metric-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:transform .35s ease,box-shadow .35s ease}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.metric-num{font-family:var(--font-title);font-size:26px;color:var(--brand);line-height:1.2}
.metric-label{font-size:13px;color:var(--muted);margin-top:6px}
@media screen and (min-width:640px){.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media screen and (min-width:1024px){.metric-grid{grid-template-columns:repeat(4,1fr)}}

/* ============ anchor nav ============ */
.anchor-bar{padding:26px 0 0;background:var(--paper)}
.anchor-bar .anchor-inner{display:flex;flex-wrap:wrap;gap:10px}
.anchor-pill{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-size:14px;color:var(--ink);transition:border-color .25s ease,color .25s ease,background-color .25s ease}
.anchor-pill:hover{border-color:var(--brand);color:var(--brand);background:rgba(29,92,79,.06)}

/* ============ spec section ============ */
.spec-section{padding:56px 0}
.spec-layout{display:grid;grid-template-columns:1fr;gap:32px}
.spec-aside{display:none}
.toc-card{position:sticky;top:104px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--paper);padding:22px;box-shadow:var(--shadow-1)}
.toc-title{font-family:var(--font-title);font-size:15px;color:var(--ink);margin-bottom:14px;letter-spacing:.06em}
.toc-list li+li{margin-top:2px}
.toc-list a{display:block;font-size:14px;color:var(--muted);padding:9px 12px;border-radius:8px;border-left:2px solid transparent;transition:all .25s ease}
.toc-list a:hover{color:var(--brand);background:var(--paper-2);border-left-color:var(--accent)}
.aside-note{margin-top:20px;border:1px dashed var(--line);border-radius:var(--radius-card);padding:18px;background:var(--paper)}
.aside-note img{border-radius:10px;aspect-ratio:4/3;object-fit:cover;margin-bottom:12px}
.aside-note p{font-size:13px;color:var(--muted);line-height:1.8}

.toc-mobile{margin-bottom:28px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--paper);overflow:hidden}
.toc-mobile summary{cursor:pointer;padding:16px 20px;font-size:15px;color:var(--ink);font-family:var(--font-title);list-style:none;display:flex;align-items:center;justify-content:space-between}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--brand);transition:transform .25s ease}
.toc-mobile[open] summary::after{transform:rotate(180deg)}
.toc-mobile .toc-body{padding:0 20px 16px;border-top:1px solid var(--line)}
.toc-mobile .toc-body a{display:block;font-size:15px;color:var(--muted);padding:12px 0;border-bottom:1px solid var(--line)}
.toc-mobile .toc-body li:last-child a{border-bottom:none}

.spec-group{margin-bottom:44px}
.spec-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px}
.group-index{flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:rgba(29,92,79,.1);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-title);font-size:16px}
.group-head h2{font-size:26px;line-height:1.4}
.group-head p{font-size:14px;color:var(--muted);margin:6px 0 0}

.def-list{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--paper);overflow:hidden}
.def-row{display:grid;grid-template-columns:1fr;gap:6px;padding:20px 22px;border-bottom:1px solid var(--line);transition:background-color .25s ease}
.def-row:last-child{border-bottom:none}
.def-row:hover{background:var(--paper-2)}
.def-row dt{font-family:var(--font-title);font-size:16px;color:var(--ink)}
.def-row dd{margin:0;font-size:15px;color:var(--muted);line-height:1.85}
@media screen and (min-width:768px){
  .def-row{grid-template-columns:200px minmax(0,1fr);gap:24px;align-items:start}
  .def-row dt{padding-top:2px}
}

/* ============ table ============ */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius-card);overflow:auto;background:var(--paper)}
.spec-table{width:100%;min-width:720px;border-collapse:collapse;font-size:15px}
.spec-table th{background:var(--paper-2);text-align:left;padding:15px 20px;font-family:var(--font-title);font-weight:600;color:var(--ink);white-space:nowrap}
.spec-table td{padding:15px 20px;border-top:1px solid var(--line);color:var(--muted)}
.spec-table tbody tr:nth-child(even){background:#FDFBF6}
.spec-table tbody tr:hover{background:rgba(201,118,47,.06)}
.table-tip{font-size:13px;color:var(--muted);margin-top:12px}

/* ============ split feature ============ */
.feature-split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--paper);padding:24px;box-shadow:var(--shadow-1)}
.feature-split img{border-radius:var(--radius-img);aspect-ratio:16/10;object-fit:cover;width:100%}
.feature-split h3{font-size:20px;margin-bottom:10px}
.feature-split p{font-size:15px;color:var(--muted)}
.feature-list{margin-top:14px}
.feature-list li{position:relative;padding-left:18px;font-size:15px;color:var(--muted);line-height:1.9}
.feature-list li::before{content:"";position:absolute;left:0;top:.78em;width:6px;height:6px;background:var(--accent);border-radius:2px}
@media screen and (min-width:768px){.feature-split{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px}}

/* ============ faq ============ */
.faq-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head .kicker{font-size:13px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:clamp(24px,3.2vw,32px);line-height:1.4}
.section-head p{font-size:16px;color:var(--muted);margin-top:12px}
.faq-group{margin-bottom:32px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{font-family:var(--font-title);font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.faq-group-title::before{content:"";width:3px;height:18px;background:var(--accent);border-radius:2px}

.j9-accordion{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--paper);margin:0}
.j9-accordion .accordion-item{border-bottom:1px solid var(--line)}
.j9-accordion .accordion-item:last-child{border-bottom:none}
.j9-accordion .accordion-title{position:relative;display:block;padding:20px 62px 20px 24px;font-size:17px;line-height:1.6;color:var(--ink);background:transparent;border:none;font-family:var(--font-body);transition:background-color .25s ease,color .25s ease}
.j9-accordion .accordion-title:hover{background:var(--paper-2);color:var(--brand)}
.j9-accordion .accordion-title::before{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);margin:0;font-size:22px;line-height:1;color:var(--brand);transition:transform .3s ease;width:auto;height:auto;background:none}
.j9-accordion .accordion-item.is-active .accordion-title{color:var(--brand)}
.j9-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.j9-accordion .accordion-content{padding:18px 24px 22px;background:var(--paper-2);border-top:1px solid var(--line);font-size:16px;line-height:1.9;color:var(--muted)}

/* ============ cta ============ */
.cta-band{background:var(--brand-deep);color:var(--paper);padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.cta-band h2{font-size:clamp(24px,3.2vw,32px);color:var(--paper);line-height:1.4}
.cta-band p{color:rgba(251,248,242,.78);font-size:16px;margin-top:12px;max-width:560px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--radius-btn);border:1px solid rgba(251,248,242,.32);background:rgba(251,248,242,.08);color:var(--paper);font-size:15px}
.cta-form input::placeholder{color:rgba(251,248,242,.6)}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,118,47,.4)}
.cta-form .btn{flex:0 0 auto}
.cta-note{font-size:13px;color:rgba(251,248,242,.62);margin-top:14px}
@media screen and (min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) minmax(0,480px);gap:48px}}
@media screen and and (max-width:639px){.cta-form .btn{width:100%}}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:rgba(251,248,242,.8);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-title);font-size:19px;color:var(--paper);margin-bottom:14px}
.footer-brand:hover{color:var(--paper)}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(251,248,242,.7);max-width:320px}
.site-footer h4{font-family:var(--font-title);font-size:15px;color:var(--paper);margin-bottom:16px;letter-spacing:.05em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(251,248,242,.72)}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:rgba(251,248,242,.72);margin-bottom:10px;line-height:1.7}
.footer-contact strong{display:block;color:rgba(251,248,242,.92);font-weight:600;font-size:13px;margin-bottom:2px}
.footer-sub form{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.footer-sub input{flex:1 1 160px;height:46px;padding:0 14px;border-radius:var(--radius-btn);border:1px solid rgba(251,248,242,.24);background:rgba(251,248,242,.06);color:var(--paper);font-size:14px}
.footer-sub input::placeholder{color:rgba(251,248,242,.5)}
.footer-sub input:focus{outline:none;border-color:var(--accent)}
.footer-sub .btn{height:46px;padding:0 20px;font-size:14px;background:var(--accent);color:#fff}
.footer-sub .btn:hover{background:#B4651F;color:#fff}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(251,248,242,.14);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(251,248,242,.6)}
.footer-bottom a{color:rgba(251,248,242,.72)}
.footer-bottom a:hover{color:var(--accent)}
@media screen and (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media screen and (min-width:1024px){.footer-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,.8fr) minmax(0,1fr) minmax(0,1.2fr);gap:40px}}

/* ============ responsive ============ */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .header-actions .btn-outline{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
}
@media screen and (min-width:1024px){
  .spec-layout{grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}
  .spec-aside{display:block}
  .toc-mobile{display:none}
  .anchor-bar{padding-top:30px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .j9-container{padding:0 18px}
  .page-hero{padding-top:36px}
  .spec-section{padding:44px 0}
  .faq-section,.cta-band{padding:52px 0}
  .def-row{padding:18px}
  .cta-form .btn{width:100%}
  .hero-actions .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --ink:#16211F;
  --brand:#1D5C4F;
  --brand-deep:#0F3B33;
  --accent:#C9762F;
  --paper:#FBF8F2;
  --paper-2:#F3EEE4;
  --line:#E4DCCD;
  --muted:#5D6A64;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04);
  --shadow-2:0 10px 28px -14px rgba(22,33,31,.18);
  --serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.4;letter-spacing:.01em;margin:0 0 .6em}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
section[id],div[id]{scroll-margin-top:96px}

/* ---------- 容器 ---------- */
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.j9-container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,242,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(22,33,31,.35)}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:20px;font-weight:600;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--brand)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:15px;letter-spacing:.02em;
}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-list a{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--ink)}
.nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-list a:hover,.nav-list a.active{color:var(--brand)}
.nav-list a:hover::after,.nav-list a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-actions .btn{height:42px;padding:0 20px;font-size:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:500;
  cursor:pointer;white-space:nowrap;
  transition:transform .25s ease,background-color .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn i{transition:transform .25s ease}
.btn:hover i.fa-arrow-right{transform:translateX(4px)}
.btn-solid{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-solid:hover{background:#17493F;border-color:#17493F;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(29,92,79,.08);color:var(--brand);transform:translateY(-1px)}
.btn-light{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-light:hover{background:#B4671F;border-color:#B4671F;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(251,248,242,.45);color:#F6F1E7}
.btn-ghost:hover{background:rgba(251,248,242,.12);color:#fff;border-color:rgba(251,248,242,.7)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--brand)}
.btn-text:hover{color:var(--accent)}
.btn-text:hover i{transform:translateX(4px)}

/* ---------- 移动抽屉 ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,33,31,.38);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s ease;
  z-index:80;display:flex;flex-direction:column;padding:20px;
  box-shadow:var(--shadow-2);
}
.mobile-drawer.is-open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:transparent;cursor:pointer;font-size:17px;color:var(--ink)}
.drawer-nav a{display:block;font-size:17px;line-height:52px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-nav a:hover{color:var(--accent)}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:26px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:0;font-size:14px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li+li::before{content:"/";margin:0 8px;color:var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}

/* ---------- 页头 ---------- */
.page-head{padding:20px 0 68px;background:var(--paper);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--accent);margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent);display:inline-block}
.page-head h1{font-size:clamp(30px,4.2vw,48px);line-height:1.3;margin-bottom:18px;max-width:720px}
.lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:640px}
.head-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.head-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
.head-visual figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 锚点导航 ---------- */
.anchor-nav{margin-top:40px;padding-top:22px;border-top:1px solid var(--line)}
.anchor-nav ul{display:flex;flex-wrap:wrap;gap:12px}
.anchor-nav a{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-2);font-size:14px;color:var(--ink);
}
.anchor-nav a:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.anchor-dropdown{display:none;margin-top:26px;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden}
.anchor-dropdown summary{
  padding:14px 18px;font-size:15px;color:var(--brand);cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;list-style:none;
}
.anchor-dropdown summary::-webkit-details-marker{display:none}
.anchor-dropdown ul{padding:0 18px 12px}
.anchor-dropdown li a{display:block;padding:11px 0;border-top:1px solid var(--line);font-size:15px;color:var(--ink)}
.anchor-dropdown li a:hover{color:var(--accent)}

/* ---------- 更新条 ---------- */
.update-bar{background:var(--paper-2);border-bottom:1px solid var(--line);padding:28px 0}
.update-inner{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.update-list{display:flex;flex-wrap:wrap;gap:44px}
.update-item strong{display:block;font-family:var(--serif);font-size:26px;line-height:1.2;color:var(--brand)}
.update-item span{font-size:13px;color:var(--muted)}
.update-note{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:10px}
.update-note i{color:var(--accent)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.section-head p{color:var(--muted);margin:0}
.section-head .eyebrow{margin-bottom:12px}
.faq-layout{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:110px}
.faq-side h3{font-size:18px;margin-bottom:14px}
.faq-side-list li{margin-bottom:12px}
.faq-side-list a{font-size:15px;color:var(--muted);display:block;padding-left:12px;border-left:2px solid transparent}
.faq-side-list a:hover{color:var(--brand);border-left-color:var(--accent)}
.faq-side-tip{margin-top:24px;padding:18px;border-radius:12px;background:var(--paper-2);border:1px solid var(--line);font-size:14px;color:var(--muted)}
.faq-side-tip strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}

/* ---------- FAQ 手风琴 ---------- */
.faq-group{margin-bottom:56px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{display:flex;align-items:center;gap:12px;font-size:22px;margin-bottom:20px}
.faq-group-title i{color:var(--accent);font-size:18px}
.acc-list{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-1)}
.acc-item + .acc-item{border-top:1px solid var(--line)}
.acc-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;border:0;background:transparent;text-align:left;
  font-size:17px;font-family:var(--sans);color:var(--ink);cursor:pointer;
  transition:color .25s ease,background-color .25s ease;
}
.acc-q:hover{color:var(--brand);background:#FDFBF7}
.acc-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--brand);
  transition:transform .3s ease,background-color .3s ease,color .3s ease;
}
.acc-item.is-open .acc-icon{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand)}
.acc-item.is-open .acc-q{color:var(--brand);background:#FDFBF7}
.acc-a{max-height:0;overflow:hidden;background:var(--paper-2);transition:max-height .35s ease}
.acc-a-inner{padding:20px 24px 24px;font-size:16px;line-height:1.9;color:var(--muted)}
.acc-a-inner p:last-child{margin-bottom:0}
.acc-a-inner strong{color:var(--ink)}

/* ---------- 图集 ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gallery-grid > .cell{width:auto;padding:0}
.gallery-item{
  overflow:hidden;border:1px solid var(--line);border-radius:12px;
  background:#fff;box-shadow:var(--shadow-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.gallery-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.gallery-media{overflow:hidden;background:var(--paper-2)}
.gallery-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.gallery-item:hover .gallery-media img{transform:scale(1.04)}
.gallery-item figcaption{padding:16px 18px;font-size:14px;line-height:1.7;color:var(--muted)}
.gallery-item figcaption strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px;font-weight:600}
.gallery-foot{margin-top:32px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.gallery-foot p{margin:0;font-size:14px;color:var(--muted)}

/* ---------- 未覆盖问题提示 ---------- */
.ask-strip{
  margin-top:64px;padding:28px 32px;border-radius:var(--radius-card);
  background:var(--paper-2);border:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
}
.ask-strip h3{font-size:19px;margin:0 0 6px}
.ask-strip p{margin:0;font-size:15px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-deep);color:#F4EFE5;padding:84px 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.cta-band .eyebrow{color:#E4A76A}
.cta-band .eyebrow::before{background:#E4A76A}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.cta-band p{color:rgba(244,239,229,.78);margin-bottom:0}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:8px;
  border:1px solid rgba(251,248,242,.28);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;transition:border-color .25s ease,background-color .25s ease;
}
.cta-form input::placeholder{color:rgba(251,248,242,.6)}
.cta-form input:focus{border-color:rgba(251,248,242,.6);background:rgba(255,255,255,.14);outline:2px solid var(--accent);outline-offset:2px}
.cta-form .btn{height:48px;flex:0 0 auto}
.cta-note{font-size:13px;color:rgba(244,239,229,.68);margin-top:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(251,248,242,.82);padding:64px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;color:#fff;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{background:var(--accent)}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(251,248,242,.75);margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(251,248,242,.75)}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{margin-bottom:12px;font-size:14px;color:rgba(251,248,242,.75)}
.footer-contact strong{display:block;color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em}
.footer-sub form{display:flex;gap:10px;margin-top:12px}
.footer-sub input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 14px;border-radius:8px;font-size:14px;
  border:1px solid rgba(251,248,242,.25);background:rgba(255,255,255,.06);color:#fff;
}
.footer-sub input::placeholder{color:rgba(251,248,242,.5)}
.footer-sub input:focus{outline:2px solid var(--accent);outline-offset:2px}
.footer-sub .btn{height:46px;padding:0 18px;background:var(--accent);border-color:var(--accent);color:#fff}
.footer-sub .btn:hover{background:#B4671F;border-color:#B4671F}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(251,248,242,.16);
  font-size:13px;color:rgba(251,248,242,.8);
}
.footer-bottom a{color:rgba(251,248,242,.8);text-decoration:underline}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-inner{height:64px;gap:14px}
  .head-grid{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static;display:none}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .cta-band{padding:64px 0}
}
@media (max-width:767px){
  .anchor-nav{display:none}
  .anchor-dropdown{display:block}
  .update-list{gap:28px}
  .page-head{padding:16px 0 52px}
  .j9-container{padding:0 16px}
}
@media (max-width:639px){
  .gallery-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .acc-q{padding:18px 18px;font-size:16px}
  .acc-a-inner{padding:18px 18px 22px}
  .ask-strip{padding:22px 20px}
  .cta-form .btn{width:100%}
  .head-actions .btn{width:100%}
}