/* roulang page: index */
:root{
  --brand:#123B31;
  --accent:#DDF454;
  --paper:#F6F4EA;
  --sand:#EBE6D8;
  --deep:#0B2820;
  --ink:#1A2B21;
  --muted:#64756C;
  --danger:#C94F44;
  --radius-card:12px;
  --radius-btn:999px;
  --radius-input:8px;
  --shadow-card:4px 4px 0 rgba(18,59,49,.14);
  --shadow-hover:6px 6px 0 rgba(18,59,49,.18);
  --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","HarmonyOS Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-main);
  background:var(--paper);
  color:var(--ink);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol,p,h1,h2,h3,h4,figure{margin:0;padding:0;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1px solid var(--muted);border-radius:var(--radius-input);width:100%;padding:.7rem .9rem;transition:border-color .2s,box-shadow .2s,background .2s;}
input:focus,select:focus,textarea:focus{
  outline:0;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(221,244,84,.55);
}
.container{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,40px);}
.section{padding:clamp(56px,8vw,96px) 0;}
.section-head{margin-bottom:clamp(24px,4vw,48px);max-width:860px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.8125rem;font-weight:700;letter-spacing:.1em;color:var(--brand);background:rgba(221,244,84,.28);border:1px solid rgba(18,59,49,.08);border-radius:99px;padding:.15rem .75rem;margin-bottom:.75rem;
}
.section-head h2{font-size:clamp(1.75rem,3vw,2.4rem);line-height:1.25;letter-spacing:.01em;color:var(--brand);}
.section-head .section-desc{margin-top:.85rem;color:var(--muted);font-size:1.0625rem;}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  --head-bg:rgba(246,244,234,0);
  --head-text:var(--ink);
  --head-border:rgba(18,59,49,0);
  background:var(--head-bg);
  color:var(--head-text);
  border-bottom:1px solid var(--head-border);
  transition:background .3s,border-color .3s,color .3s,box-shadow .3s;
}
.site-header.is-top{
  --head-bg:rgba(11,40,32,0.05);
  --head-text:#F6F4EA;
}
.site-header.is-scrolled{
  --head-bg:rgba(246,244,234,.86);
  --head-text:var(--ink);
  --head-border:rgba(18,59,49,.12);
  box-shadow:0 8px 28px rgba(18,59,49,.08);
  backdrop-filter:saturate(1.4) blur(12px);
  -webkit-backdrop-filter:saturate(1.4) blur(12px);
}
.header-row{display:flex;align-items:center;justify-content:space-between;height:78px;gap:1rem;}
.brand{font-size:1.125rem;font-weight:800;color:var(--head-text);letter-spacing:.02em;white-space:nowrap;display:flex;align-items:center;gap:.55rem;}
.brand i{flex:0 0 auto;width:10px;height:10px;border-radius:99px;background:var(--accent);box-shadow:0 0 0 4px rgba(221,244,84,.2);}
.brand:hover{color:var(--accent);}
.site-nav{display:flex;align-items:center;gap:.25rem;}
.site-nav a{
  display:inline-flex;align-items:center;min-height:44px;padding:.5rem .95rem;border-radius:99px;color:var(--head-text);font-weight:500;transition:background .2s,color .2s;
}
.site-nav a:hover{background:rgba(221,244,84,.12);color:var(--accent);}
.site-nav a.active{background:var(--brand);color:var(--accent);}
.site-header.is-scrolled .site-nav a.active{background:var(--brand);color:var(--accent);}
.header-actions{display:flex;align-items:center;gap:.55rem;}

/* hot dropdown */
.hot-wrap{position:relative;}
.hot-trigger{
  min-height:44px;display:inline-flex;align-items:center;gap:.3rem;padding:.35rem 1rem;border-radius:99px;border:1px solid currentColor;color:var(--head-text);font-weight:600;transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.hot-trigger:hover,.hot-wrap:hover .hot-trigger,.hot-wrap.is-open .hot-trigger{color:var(--accent);border-color:var(--accent);}
.hot-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:min(520px,82vw);padding:1.25rem;background:var(--paper);border:1px solid rgba(18,59,49,.12);border-radius:16px;box-shadow:8px 8px 0 rgba(18,59,49,.15);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s ease;
}
.hot-wrap:hover .hot-panel,.hot-wrap:focus-within .hot-panel,.hot-wrap.is-open .hot-panel{opacity:1;visibility:visible;transform:translateY(0);}
.hot-panel-title{display:flex;align-items:center;gap:.6rem;font-size:.8rem;letter-spacing:.12em;font-weight:800;color:var(--muted);margin-bottom:.85rem;text-transform:uppercase;}
.hot-panel-title::before{content:"";width:22px;height:4px;background:var(--accent);border-radius:99px;}
.hot-panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;}
.hot-mini-card{background:var(--sand);border-radius:12px;padding:1rem 1.05rem;text-align:left;transition:background .2s,box-shadow .2s,transform .2s;display:block;border:1px solid rgba(18,59,49,.05);}
.hot-mini-card:hover{background:#fff;box-shadow:3px 3px 0 rgba(18,59,49,.13);transform:translateY(-2px);}
.hot-mini-card b{display:block;color:var(--brand);font-size:1rem;}
.hot-mini-card span{font-size:.8125rem;color:var(--muted);line-height:1.6;display:block;margin-top:.2rem;}
.hot-tagline{grid-column:1/-1;border-top:1px dashed rgba(18,59,49,.2);padding-top:.8rem;margin-top:.35rem;font-size:.8125rem;color:var(--muted);}
.hot-tagline a{color:var(--brand);font-weight:700;}
.hot-tagline a:hover{color:var(--accent);background:var(--brand);border-radius:4px;padding:0 .15rem;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;border-radius:var(--radius-btn);font-weight:700;min-height:44px;padding:.5rem 1.3rem;line-height:1.2;transition:box-shadow .2s,background .2s,color .2s,border-color .2s,transform .2s;text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:4px 4px 0 var(--brand);}
.btn-primary:hover{box-shadow:6px 6px 0 var(--brand);transform:translate(-1px,-2px);}
.btn-primary:active{box-shadow:2px 2px 0 var(--brand);transform:translate(0,0);}
.btn-secondary{border:2px solid var(--brand);color:var(--brand);background:transparent;}
.btn-secondary:hover{background:var(--brand);color:var(--accent);transform:translateY(-1px);}
.btn-ghost{border:1.5px solid var(--head-text);color:var(--head-text);background:transparent;}
.btn-ghost:hover{background:rgba(221,244,84,.2);border-color:var(--accent);}
.btn-disabled,.btn[disabled]{opacity:.4;box-shadow:none!important;pointer-events:none;}
.btn:focus-visible,.brand:focus-visible,.site-nav a:focus-visible,.hot-trigger:focus-visible,.mobile-menu a:focus-visible,.footer-list a:focus-visible{
  outline:2px dashed rgba(221,244,84,.9);outline-offset:3px;
}

/* mobile menu button */
.mobile-control{display:none;min-height:44px;align-items:center;gap:.45rem;padding:.35rem .8rem;border:1px solid currentColor;border-radius:99px;color:var(--head-text);font-weight:700;}
.mobile-control:hover{color:var(--accent);border-color:var(--accent);}
.mobile-control .burger{display:flex;flex-direction:column;gap:4px;}
.mobile-control .burger i{width:16px;height:2px;background:currentColor;border-radius:2px;display:block;}
@media(max-width:1024px){
  .site-nav{display:none;}
  .mobile-control{display:inline-flex;}
  .hot-wrap{display:none;}
}
.mobile-menu{
  display:block;height:0;overflow:hidden;background:var(--paper);transition:height .3s ease;border-bottom:1px solid rgba(18,59,49,.08);
}
.mobile-menu.open{height:auto;max-height:88vh;overflow-y:auto;}
.mobile-menu-inner{padding:1.1rem 1.25rem 1.5rem;}
.mobile-menu-nav{display:flex;flex-direction:column;gap:.15rem;list-style:none;}
.mobile-menu-nav a{
  color:var(--ink);min-height:44px;display:flex;align-items:center;padding:0 1rem;border-radius:10px;font-weight:700;border-bottom:1px solid rgba(18,59,49,.06);
}
.mobile-menu-nav a.active{background:var(--brand);color:var(--accent);border-bottom-color:transparent;}
@media(min-width:1025px){.mobile-menu{display:none;}}

/* hero */
.hero{
  min-height:100vh;
  display:flex;align-items:center;
  position:relative;
  color:#F6F4EA;
  background:
    linear-gradient(103deg, rgba(11,40,32,.97) 12%, rgba(18,59,49,.9) 52%, rgba(18,59,49,.56) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center right;
  background-color:var(--deep);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:clamp(28px,6vw,80px);
  background:radial-gradient(circle at 86% 180%, rgba(221,244,84,.5) 0, transparent 30%);
  pointer-events:none;
}
.hero-grid{display:grid;align-items:center;gap:4vw;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);padding-top:150px;padding-bottom:clamp(36px,6vh,82px);width:100%;}
.hero-visual{display:block;}
.hero-float-photo{
  border:6px solid #fff;border-radius:18px;box-shadow:14px 14px 0 rgba(221,244,84,.3);background:var(--sand);color:var(--ink);
  transform:rotate(1deg);animation:floaty 5s ease-in-out infinite;
}
.hero-float-photo:last-child{margin-left:auto;width:64%;margin-top:-13%;transform:rotate(-2deg);animation-delay:1.2s;}
@keyframes floaty{0%,100%{translate:0 0;}50%{translate:0 6px;}}
.hero-copy{max-width:680px;}
.hero-ticker{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.75rem;font-weight:800;letter-spacing:.14em;background:rgba(221,244,84,.16);border:1px solid rgba(221,244,84,.35);color:var(--accent);padding:.3rem 1rem;border-radius:99px;margin-bottom:1.3rem;text-transform:uppercase;
}
.hero-ticker i{width:7px;height:7px;background:var(--accent);border-radius:99px;box-shadow:0 0 0 0 rgba(221,244,84,.5);animation:pulse 2s infinite;}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(221,244,84,0);}}
.hero-title{
  font-size:clamp(2.5rem,6vw,4.6rem);line-height:1.08;font-weight:900;letter-spacing:-.01em;color:#fff;margin:0 0 1.2rem;
}
.hero-title .hl{color:var(--accent);background:var(--brand);display:inline-block;padding:0 .2em;border-radius:.15em;}
.hero-lead{
  font-size:clamp(1.125rem,1.8vw,1.55rem);line-height:1.8;color:#e7ece5;max-width:25em;margin-bottom:2rem;font-weight:500;
}
.hero-lead strong{color:var(--accent);font-weight:800;}
.hero-ctas{display:flex;gap:.8rem;flex-wrap:wrap;align-items:center;}
.hero-note{margin-top:1.3rem;font-size:.8125rem;color:rgba(246,244,234,.7);}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;padding-top:126px;padding-bottom:56px;gap:3rem;}
  .hero-visual{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:center;}
  .hero-float-photo{width:100%!important;transform:none!important;}
  .hero-copy{max-width:none;}
  .hero-title{max-width:14em;}
}
@media(max-width:620px){
  .hero-ctas .btn{flex:1 1 100%;white-space:normal;padding:.7rem 1rem;}
}

/* section base + card */
.card-base{background:#fff;border:1px solid rgba(18,59,49,.06);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:box-shadow .25s,transform .25s;}
.card-base:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;gap:.3rem;font-size:.75rem;font-weight:800;letter-spacing:.04em;background:var(--accent);color:var(--ink);border-radius:99px;padding:.15rem .7rem;
}
.tag--sand{background:var(--sand);color:var(--brand);}
.tag--outline{background:transparent;border:1px solid rgba(246,244,234,.5);color:#F6F4EA;}

/* sell */
.sell-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(20px,3vw,40px);}
.sell-major{grid-column:span 7;overflow:hidden;display:flex;flex-direction:column;}
.sell-minor{grid-column:span 5;display:flex;flex-direction:column;gap:clamp(16px,2vw,24px);}
@media(max-width:1000px){.sell-major,.sell-minor{grid-column:1/-1;}}
.sell-major .cover{aspect-ratio:16/9;overflow:hidden;position:relative;}
.sell-major .cover img{width:100%;height:100%;object-fit:cover;}
.sell-major .cover figcaption{position:absolute;left:14px;bottom:14px;background:rgba(246,244,234,.9);color:var(--brand);font-size:.75rem;padding:.2rem .6rem;border-radius:4px;}
.sell-major-body{padding:clamp(20px,3vw,32px);}
.sell-major-body h3{font-size:clamp(1.25rem,2vw,1.7rem);color:var(--brand);line-height:1.35;margin:0 0 .8rem;}
.sell-major-body p{color:var(--muted);max-width:62ch;}
.sell-major-body a{color:var(--brand);font-weight:800;margin-top:1.1rem;display:inline-flex;align-items:center;gap:.35rem;}
.sell-major-body a:hover{color:var(--deep);gap:.75rem;}
.sell-item{
  display:flex;gap:1rem;align-items:flex-start;border:1px solid rgba(18,59,49,.06);background:#fff;border-radius:var(--radius-card);padding:1.1rem 1.2rem;box-shadow:3px 3px 0 rgba(18,59,49,.08);transition:box-shadow .2s,transform .2s;
}
.sell-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.sell-item .sell-icon{flex:0 0 auto;width:42px;height:42px;border-radius:10px;background:var(--brand);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.2rem;}
.sell-item .t{color:var(--brand);font-weight:800;font-size:1rem;line-height:1.3;display:block;}
.sell-item .d{color:var(--muted);font-size:.875rem;line-height:1.6;display:block;margin-top:.15rem;}

/* demo */
.demo-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,5vw,68px);align-items:center;}
@media(max-width:900px){.demo-grid{grid-template-columns:1fr;}}
.demo-compose{display:grid;grid-template-columns:1fr 1fr;gap:1rem;position:relative;align-items:end;}
.demo-compose img{width:100%;border-radius:16px;box-shadow:6px 6px 0 rgba(18,59,49,.16);}
.demo-compose img.demo-main{grid-column:1/2;grid-row:1;aspect-ratio:3/4;object-fit:cover;}
.demo-compose img.demo-sub{grid-column:2/3;grid-row:1;margin-top:16%;aspect-ratio:3/4;object-fit:cover;transform:rotate(1.4deg);background:var(--sand);}
.demo-float{
  position:absolute;right:0;bottom:6%;background:var(--accent);border:3px solid var(--brand);border-radius:12px;padding:.55rem 1rem;color:var(--ink);font-weight:900;font-size:.8125rem;box-shadow:5px 5px 0 rgba(18,59,49,.2);transform:rotate(-2deg);
}
@media(max-width:548px){.demo-float{bottom:-10px;font-size:.7rem;}}
.demo-aside .num-list{display:flex;flex-direction:column;gap:1.75rem;margin-top:2rem;}
.demo-num-item{display:flex;gap:1rem;align-items:flex-start;}
.demo-num-item b{
  flex:0 0 auto;width:38px;height:38px;border-radius:99px;background:var(--brand);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:.9375rem;line-height:1;
}
.demo-num-item p{color:var(--muted);max-width:55ch;}
.demo-num-item strong{color:var(--ink);}
.demo-num-item a{color:var(--brand);font-weight:700;border-bottom:3px solid var(--accent);transition:background .2s;}
.demo-num-item a:hover{background:var(--accent);border-radius:2px;}

/* proof stats */
.proof-stats{background:var(--deep);color:#F6F4EA;border-radius:24px;padding:clamp(28px,5vw,58px) clamp(20px,4vw,54px);position:relative;overflow:hidden;}
.proof-stats::after{content:"";position:absolute;right:-70px;top:-70px;width:250px;height:250px;border-radius:99px;background:radial-gradient(circle,rgba(221,244,84,.2),transparent 65%);pointer-events:none;}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;position:relative;z-index:1;}
.stat-item{text-align:left;padding-right:1.4rem;}
.stat-num{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:900;line-height:1;color:var(--accent);letter-spacing:-.02em;}
.stat-num small{font-size:.65em;font-weight:700;letter-spacing:.1em;}
.stat-label{color:rgba(246,244,234,.82);margin-top:.5rem;font-size:.8125rem;font-weight:700;letter-spacing:.06em;}
.stat-note{grid-column:1/-1;border-top:1px solid rgba(246,244,234,.18);padding-top:1rem;font-size:.75rem;color:rgba(246,244,234,.6);margin-top:.5rem;}
@media(max-width:820px){.proof-grid{grid-template-columns:1fr 1fr;row-gap:2.2rem;}.stat-item{padding-right:1rem;}}
@media(max-width:540px){.proof-grid{grid-template-columns:1fr;}}

/* cms list */
.cms-region{background:var(--sand);border-radius:24px;padding:clamp(20px,4vw,42px);margin-top:clamp(28px,5vw,56px);}
.cms-region-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.25rem;}
.cms-region-head h3{color:var(--brand);font-size:clamp(1.2rem,2.4vw,1.7rem);line-height:1.3;}
.cms-link-more{display:inline-flex;align-items:center;gap:.3rem;color:var(--brand);font-weight:800;font-size:.875rem;min-height:44px;padding:0 .2rem;}
.cms-link-more:hover{color:var(--deep);gap:.65rem;}
.cms-list{display:flex;flex-direction:column;gap:1px;background:rgba(18,59,49,.12);border-radius:14px;overflow:hidden;border:1px solid rgba(18,59,49,.08);}
.cms-row-item{background:#F6F4EA;transition:background .25s;margin:0;}
.cms-row-item:hover,.cms-row-item:focus-within{background:#fff;}
.cms-row-link{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;padding:1.2rem 1.3rem;align-items:center;min-height:68px;border-left:5px solid transparent;transition:border-color .2s;}
.cms-row-item:hover .cms-row-link{border-left-color:var(--accent);}
.cms-row-title{color:var(--brand);font-weight:800;line-height:1.45;font-size:1.0625rem;display:flex;align-items:center;gap:.45rem;}
.cms-row-title::before{content:"";width:8px;height:8px;background:var(--accent);border-radius:99px;flex:0 0 auto;}
.cms-row-summary{color:var(--muted);font-size:.875rem;line-height:1.7;margin-top:.2rem;}
.cms-row-meta{align-items:flex-end;gap:.6rem;text-align:right;color:var(--muted);font-size:.8125rem;display:flex;flex-direction:column;justify-content:center;}
.cms-row-meta .chips{font-size:.75rem;background:var(--brand);color:var(--accent);padding:.05rem .6rem;border-radius:99px;font-weight:700;line-height:1.8;}
.cms-row-meta time{white-space:nowrap;}
.cms-row-go{font-size:1.3rem;color:var(--brand);line-height:1;font-weight:300;transition:transform .2s;margin-left:.4rem;}
.cms-row-item:hover .cms-row-go{transform:translateX(4px);}
.empty-list{min-height:180px;display:flex;align-items:center;justify-content:center;background:#F6F4EA;border:1px dashed rgba(18,59,49,.22);border-radius:14px;color:var(--muted);font-size:.9375rem;padding:2rem;}
@media(max-width:640px){
  .cms-row-link{grid-template-columns:1fr;}
  .cms-row-meta{flex-direction:row;align-items:center;justify-content:space-between;text-align:left;margin-top:.4rem;}
}

/* proof visual */
.proof-offset{margin-top:42px;}
.proof-cut-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1.4rem;align-items:center;}
.proof-cut-text{grid-column:span 6;background:#fff;border-radius:20px;padding:clamp(20px,3.4vw,42px);border:1px solid rgba(18,59,49,.07);box-shadow:var(--shadow-card);}
.proof-cut-text h3{color:var(--brand);font-size:clamp(1.2rem,2vw,1.65rem);line-height:1.4;margin-bottom:.8rem;}
.proof-cut-text p{color:var(--muted);max-width:60ch;margin-bottom:.5rem;}
.proof-cut-art{grid-column:span 6;display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
.proof-cut-art img{border-radius:14px;width:100%;aspect-ratio:4/5;object-fit:cover;box-shadow:5px 5px 0 rgba(18,59,49,.14);}
.proof-cut-art img:last-child{margin-top:16%;transform:rotate(-1.2deg);}
@media(max-width:1000px){.proof-cut-text,.proof-cut-art{grid-column:1/-1;}.proof-cut-art img{aspect-ratio:4/3;}}

/* pricing */
.plan-wrap{background:#fff;border:1px solid rgba(18,59,49,.1);border-radius:20px;box-shadow:var(--shadow-card);overflow:hidden;}
.plan-scroll{overflow-x:auto;}
.plan-table{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;min-width:760px;}
.plan-cell{padding:1.1rem 1.2rem;border-right:1px solid rgba(18,59,49,.08);border-bottom:1px solid rgba(18,59,49,.08);background:#fff;color:var(--ink);vertical-align:middle;}
.plan-cell:last-child{border-right:0;}
.plan-cell--head{background:rgba(18,59,49,.05);font-weight:900;color:var(--brand);font-size:.9rem;display:flex;align-items:center;justify-content:space-between;min-height:116px;flex-direction:column;align-items:flex-start;gap:.3rem;}
.plan-cell--hot{background:var(--deep);color:#F6F4EA;border-color:rgba(246,244,234,.08);}
.plan-cell--hot .plan-name{color:#F6F4EA;}
.plan-cell--hot .plan-price{color:var(--accent);}
.plan-cell--hot .plan-desc{color:rgba(246,244,234,.65);}
.plan-cell--hot .plan-feature{color:#F6F4EA;}
.plan-last-row .plan-cell{border-bottom:0;}
.plan-cell--label{color:var(--muted);font-size:.8125rem;font-weight:700;background:rgba(246,244,234,.5);}
.plan-cell--hot.plan-cell--label{color:var(--accent);background:rgba(11,40,32,.95);}
.plan-name{display:block;font-size:1.2rem;font-weight:900;color:var(--brand);line-height:1.2;}
.plan-desc{font-size:.8125rem;color:var(--muted);display:block;margin-top:.3rem;font-weight:500;}
.plan-badge{background:var(--accent);color:var(--ink);display:inline-block;font-weight:900;font-size:.7rem;padding:.1rem .55rem;border-radius:99px;line-height:1.7;margin-top:.2rem;}
.plan-price{display:inline-block;font-size:1.45rem;font-weight:900;color:var(--brand);line-height:1;margin-top:1rem;}
.plan-price small{font-size:.75rem;font-weight:600;color:var(--muted);}
.plan-cell--hot .plan-price small{color:rgba(246,244,234,.7);}
.plan-feature{display:block;font-size:.86rem;line-height:1.75;color:var(--muted);}
.plan-cell--hot .plan-feature{color:rgba(246,244,234,.9);}
.plan-foot{margin-top:1.2rem;font-size:.8125rem;color:var(--muted);}

/* faq */
.faq-list{display:flex;flex-direction:column;border-top:1px solid rgba(18,59,49,.14);max-width:900px;}
.faq-item{border-bottom:1px solid rgba(18,59,49,.14);background:#fff;transition:background .25s;}
.faq-item[open]{background:var(--sand);}
.faq-question{
  min-height:58px;padding:.85rem 1rem .85rem 0;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-weight:800;font-size:1rem;line-height:1.6;color:var(--brand);text-align:left;width:100%;
}
.faq-item[open] .faq-question{font-weight:900;color:var(--deep);}
.faq-arrow{flex:0 0 auto;width:26px;height:26px;border:2px solid currentColor;border-radius:99px;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;transition:transform .25s;opacity:.7;}
.faq-item[open] .faq-arrow{transform:rotate(45deg);opacity:1;}
.faq-answer{color:var(--muted);line-height:1.9;padding:0 2.2rem 1.2rem 0;max-width:66ch;}
.faq-item[open] .faq-answer{animation:fade .3s;}
@keyframes fade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* pre-footer cta */
.pre-cta{background:var(--accent);border-radius:20px;padding:clamp(28px,5vw,52px) clamp(20px,4vw,52px);color:var(--deep);display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;margin:clamp(16px,4vw,56px) 0 80px;position:relative;overflow:hidden;box-shadow:8px 8px 0 rgba(18,59,49,.15);}
.pre-cta::after{content:"";position:absolute;right:30px;top:-80px;width:240px;height:240px;border:22px solid rgba(18,59,49,.13);border-radius:99px;}
.pre-cta h2{margin-bottom:.2rem;}
.pre-cta p{max-width:40ch;}
.pre-cta .cta-actions{display:flex;gap:.7rem;flex-wrap:wrap;position:relative;z-index:2;}
.pre-cta .btn-primary{background:var(--deep);color:var(--accent);box-shadow:4px 4px 0 rgba(255,255,255,.5);}
.pre-cta .btn-primary:hover{box-shadow:6px 6px 0 rgba(255,255,255,.6);}
.pre-cta .btn-secondary{border-color:var(--deep);color:var(--deep);}
@media(max-width:620px){.pre-cta .cta-actions .btn{flex:1 1 100%;}}

/* footer */
.site-footer{background:var(--deep);color:rgba(246,244,234,.78);}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr .8fr;gap:clamp(24px,4vw,48px);padding:clamp(44px,7vw,80px) 0 40px;}
@media(max-width:920px){.footer-top{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.footer-top{grid-template-columns:1fr;}}
.footer-brand .brand{color:#F6F4EA;font-size:1.3rem;margin-bottom:.8rem;display:inline-flex;align-items:center;gap:.55rem;}
.footer-about{font-size:.875rem;color:rgba(246,244,234,.6);max-width:34ch;line-height:1.8;}
.footer-title{color:#fff;font-size:.8125rem;font-weight:800;letter-spacing:.14em;margin-bottom:1.2rem;text-transform:uppercase;display:flex;align-items:center;gap:.5rem;}
.footer-title::before{content:"";width:18px;height:3px;background:var(--accent);display:inline-block;border-radius:4px;}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:.4rem;}
.footer-list a{color:rgba(246,244,234,.78);font-size:.875rem;min-height:32px;display:inline-flex;align-items:center;transition:color .2s,padding-left .2s;}
.footer-list a:hover{color:var(--accent);padding-left:.3rem;}
.footer-contact{font-size:.875rem;line-height:1.9;font-style:normal;color:rgba(246,244,234,.7);}
.footer-contact div{margin-bottom:.35rem;}
.footer-bottom{border-top:1px solid rgba(246,244,234,.14);padding:1.25rem 0 1.6rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.8125rem;color:rgba(246,244,234,.55);}
.footer-bottom a{color:rgba(246,244,234,.75);}
.footer-bottom a:hover{color:var(--accent);}

/* floating toggle */
.float-cta{
  position:fixed;right:18px;bottom:18px;z-index:80;
}
.float-cta .btn{min-height:50px;box-shadow:7px 7px 0 rgba(11,40,32,.65)!important;}
.float-cta .btn:hover{box-shadow:9px 9px 0 rgba(11,40,32,.7)!important;transform:translateY(-3px);}
.float-hidden-lg{display:none;}
@media(max-width:640px){
  .float-hidden-lg{display:inline-flex;width:52px;height:52px;border-radius:99px;padding:0;align-items:center;justify-content:center;}
  .float-hidden-sm{display:none;}
}

/* roulang page: article */
:root {
    --mks-brand: #123B31;
    --mks-accent: #DDF454;
    --mks-paper: #F6F4EA;
    --mks-sand: #EBE6D8;
    --mks-deep: #0B2820;
    --mks-ink: #1A2B21;
    --mks-muted: #64756C;
    --radius-card: 12px;
    --shadow-card: 4px 4px 0 rgba(18, 59, 49, .14);
    --shadow-card-hover: 6px 6px 0 rgba(18, 59, 49, .16);
    --transition: all .22s ease;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "HarmonyOS Sans SC", system-ui, -apple-system, sans-serif;
    background: var(--mks-paper);
    color: var(--mks-ink);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  button {
    font-family: inherit;
    cursor: pointer;
  }

  .container {
    width: min(1200px, 100%);
    margin-inline: auto;
    padding-inline: 20px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(246, 244, 234, .86);
    backdrop-filter: blur(12px) saturate(1.4);
    border-bottom: 1px solid rgba(18, 59, 49, .12);
  }

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

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--mks-brand);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
    line-height: 1.2;
  }

  .brand i {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--mks-brand);
    position: relative;
    flex: 0 0 30px;
  }

  .brand i::after {
    content: "";
    position: absolute;
    inset: 7px;
    background: var(--mks-accent);
    clip-path: polygon(0 0, 82% 0, 100% 100%, 25% 100%);
  }

  .site-nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
    margin: 0;
    padding: 0;
  }

  .site-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 6px 14px;
    color: var(--mks-ink);
    border-radius: 999px;
    font-weight: 500;
    position: relative;
  }

  .site-nav a:hover,
  .site-nav a.active {
    background: var(--mks-brand);
    color: var(--mks-accent);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .hot-trigger {
    position: relative;
  }

  .hot-btn {
    border: 1.5px solid var(--mks-brand);
    color: var(--mks-brand);
    background: transparent;
    padding: 9px 20px;
    border-radius: 999px;
    font-size: .95rem;
    font-weight: 700;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .hot-btn span {
    transition: transform .25s ease;
    display: inline-block;
  }

  .hot-trigger:hover .hot-btn {
    background: var(--mks-brand);
    color: var(--mks-accent);
  }

  .hot-trigger:hover .hot-btn span {
    transform: rotate(45deg);
  }

  .hot-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
    width: min(600px, calc(100vw - 40px));
    background: var(--mks-sand);
    border: 1.5px solid var(--mks-brand);
    border-radius: var(--radius-card);
    box-shadow: 8px 10px 0 rgba(11, 40, 32, .16);
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 70;
  }

  .hot-trigger:hover .hot-panel,
  .hot-trigger:focus-within .hot-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .hot-panel::after {
    content: "";
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 18px;
    border-bottom: 4px double rgba(18, 59, 49, .44);
    pointer-events: none;
  }

  .hot-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 20px;
  }

  .hot-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-right: 1px solid rgba(18, 59, 49, .18);
    padding-right: 18px;
  }

  .hot-links a {
    color: var(--mks-brand);
    font-weight: 600;
    padding: 4px 0;
    font-size: .95rem;
  }

  .hot-links a:hover {
    color: var(--mks-deep);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-decoration-color: var(--mks-accent);
    text-underline-offset: 4px;
  }

  .hot-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .hot-preview a {
    display: flex;
    gap: 10px;
    align-items: center;
    background: var(--mks-paper);
    padding: 12px 10px;
    border-radius: 10px;
    color: var(--mks-brand);
    font-size: .88rem;
    font-weight: 600;
    box-shadow: 0 0 0 rgba(0, 0, 0, .05);
    transition: var(--transition);
  }

  .hot-preview a:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-1px);
    color: var(--mks-deep);
  }

  .hot-preview a::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--mks-accent);
    border-radius: 4px;
    display: inline-block;
    flex: 0 0 8px;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    background: var(--mks-accent);
    color: var(--mks-ink);
    font-weight: 800;
    padding: 9px 22px;
    border-radius: 999px;
    box-shadow: 3px 3px 0 var(--mks-brand);
    transition: var(--transition);
    white-space: nowrap;
  }

  .nav-cta:hover {
    box-shadow: 5px 5px 0 var(--mks-brand);
    transform: translate(-2px, -2px);
    color: var(--mks-ink);
  }

  .menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    padding: 6px;
    color: var(--mks-brand);
  }

  .menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--mks-brand);
    border-radius: 3px;
    margin: 5px 0;
    transition: var(--transition);
  }

  .mobile-nav {
    display: none;
  }

  /* article page */
  .article-meta-band {
    position: relative;
    background: linear-gradient(120deg, var(--mks-deep) 0%, var(--mks-brand) 62%, #1d4b3e 100%);
    color: #fff;
    padding: 52px 0 48px;
    overflow: hidden;
  }

  .article-meta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center 40%;
    opacity: .2;
    pointer-events: none;
  }

  .article-meta-band::after {
    content: "";
    position: absolute;
    right: -120px;
    bottom: -120px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle at left, rgba(221, 244, 84, .22) 0, rgba(221, 244, 84, .06) 55%, transparent 70%);
    pointer-events: none;
  }

  .crumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .875rem;
    color: rgba(246, 244, 234, .72);
    position: relative;
    z-index: 1;
  }

  .crumb-list a {
    color: rgba(246, 244, 234, .9);
  }

  .crumb-list a:hover {
    color: var(--mks-accent);
  }

  .crumb-list span {
    opacity: .6;
  }

  .crumb-list em {
    font-style: normal;
    color: var(--mks-accent);
    max-width: 70vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .article-hero-title {
    position: relative;
    z-index: 1;
    margin-top: 26px;
  }

  .article-hero-title h1 {
    font-size: clamp(1.6rem, 3.6vw, 2.7rem);
    line-height: 1.3;
    margin: 0 0 16px;
    color: #fff;
    font-weight: 800;
    max-width: 920px;
  }

  .article-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 28px;
    font-size: .9rem;
    color: rgba(246, 244, 234, .78);
    align-items: center;
  }

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

  .meta-item i {
    width: 7px;
    height: 7px;
    background: var(--mks-accent);
    display: inline-block;
    border-radius: 50%;
  }

  .article-accent-line {
    width: 130px;
    height: 5px;
    background: var(--mks-accent);
    margin-top: 26px;
    position: relative;
    z-index: 1;
  }

  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    padding: 56px 20px 60px;
  }

  .post-main {
    min-width: 0;
  }

  .post-inner-card {
    background: var(--mks-paper);
  }

  .post-body {
    font-size: 1.04rem;
    line-height: 1.9;
    color: var(--mks-ink);
  }

  .post-body > *:first-child {
    margin-top: 0;
  }

  .post-body p {
    margin: 0 0 1.4em;
    max-width: 68ch;
  }

  .post-body h2,
  .post-body h3,
  .post-body h4 {
    margin-top: 1.9em;
    margin-bottom: .55em;
    color: var(--mks-brand);
    line-height: 1.35;
    font-weight: 800;
  }

  .post-body h2 {
    font-size: clamp(1.35rem, 2.4vw, 1.9rem);
    padding-bottom: .25em;
    position: relative;
  }

  .post-body h2::before {
    content: "";
    display: inline-block;
    width: 13px;
    height: 13px;
    background: var(--mks-accent);
    margin-right: .6em;
    vertical-align: .1em;
    border-radius: 3px;
  }

  .post-body a {
    color: var(--mks-brand);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-decoration-color: var(--mks-accent);
    text-underline-offset: 5px;
  }

  .post-body a:hover {
    color: var(--mks-deep);
  }

  .post-body img {
    border-radius: var(--radius-card);
    margin: 30px auto;
    max-height: 85vh;
    object-fit: cover;
    box-shadow: var(--shadow-card);
  }

  .post-body blockquote {
    margin: 1.8em 0;
    padding: 1.4em 1.8em;
    border-left: 5px solid var(--mks-accent);
    background: var(--mks-sand);
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
    color: var(--mks-brand);
    font-size: 1.02rem;
  }

  .post-body ul,
  .post-body ol {
    padding-left: 1.3em;
    margin-bottom: 1.3em;
    max-width: 68ch;
  }

  .post-body li {
    margin-bottom: .65em;
  }

  .post-body ul li::marker {
    color: var(--mks-brand);
  }

  .post-body ol li::marker {
    color: var(--mks-brand);
    font-weight: 800;
  }

  .post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    border-radius: 10px;
    overflow: hidden;
    font-size: .98rem;
  }

  .post-body th,
  .post-body td {
    border: 1px solid rgba(18, 59, 49, .18);
    padding: 12px 16px;
    text-align: left;
  }

  .post-body th {
    background: var(--mks-brand);
    color: #fff;
    font-weight: 700;
  }

  .post-body tr:nth-child(even) td {
    background: rgba(246, 244, 234, .6);
  }

  .post-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 46px;
    padding-top: 20px;
    border-top: 1px dashed rgba(18, 59, 49, .3);
  }

  .post-foot-info {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    color: var(--mks-muted);
    font-size: .9rem;
  }

  .post-foot-info time {
    display: inline-flex;
    gap: 8px;
    align-items: center;
  }

  .post-foot-info a.article-category-link,
  .post-foot-info a.article-category-link:visited {
    color: var(--mks-brand);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--mks-accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
  }

  .tag-label {
    background: var(--mks-sand);
    color: var(--mks-brand);
    padding: 3px 12px;
    border-radius: 999px;
    font-size: .85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 10px 24px;
    border-radius: 999px;
    font-weight: 800;
    font-size: .98rem;
    border: 2px solid transparent;
    transition: var(--transition);
    gap: 10px;
    line-height: 1.2;
  }

  .btn-primary {
    background: var(--mks-accent);
    color: var(--mks-ink);
    box-shadow: 4px 4px 0 var(--mks-brand);
  }

  .btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--mks-brand);
    color: var(--mks-deep);
  }

  .btn-primary:active {
    transform: translate(0, 0);
    box-shadow: 2px 2px 0 var(--mks-brand);
  }

  .btn-ghost {
    border-color: var(--mks-brand);
    color: var(--mks-brand);
    background: transparent;
  }

  .btn-ghost:hover {
    background: var(--mks-brand);
    color: var(--mks-accent);
  }

  .btn-white {
    border-color: #fff;
    color: #fff;
    background: transparent;
  }

  .btn-white:hover {
    background: #fff;
    color: var(--mks-deep);
  }

  .btn-loading,
  .btn:disabled {
    opacity: .58;
    cursor: not-allowed;
    box-shadow: none;
  }

  /* aside */
  .post-aside {
    min-width: 0;
  }

  .aside-block {
    background: var(--mks-sand);
    border-radius: var(--radius-card);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid rgba(18, 59, 49, .08);
  }

  .aside-block:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translate(-2px, -2px);
  }

  .aside-kicker {
    font-size: .82rem;
    letter-spacing: .14em;
    font-weight: 800;
    color: var(--mks-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
    display: inline-block;
  }

  .aside-title {
    font-size: 1.3rem;
    color: var(--mks-brand);
    font-weight: 900;
    margin: 0 0 14px;
    line-height: 1.4;
  }

  .aside-desc {
    color: var(--mks-muted);
    font-size: .95rem;
    line-height: 1.8;
    margin: 0 0 18px;
  }

  .aside-desc strong {
    color: var(--mks-brand);
  }

  .aside-item-list {
    display: flex;
    flex-direction: column;
    margin-top: 8px;
  }

  .aside-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--mks-brand);
    font-size: 1rem;
    font-weight: 700;
    padding: 10px 0;
    margin-bottom: 6px;
    position: relative;
    transition: var(--transition);
  }

  .aside-list-item::after {
    content: "→";
    transform: translateX(0);
    transition: transform .25s;
    color: var(--mks-brand);
  }

  .aside-list-item:hover {
    color: var(--mks-deep);
  }

  .aside-list-item:hover::after {
    transform: translateX(5px);
  }

  .aside-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border-radius: 999px;
    background: var(--mks-brand);
    color: var(--mks-accent);
    padding: 10px 18px;
    width: 100%;
    font-weight: 800;
    transition: var(--transition);
  }

  .aside-arrow:hover {
    background: var(--mks-deep);
    color: var(--mks-accent);
    transform: translateY(-2px);
  }

  .aside-contact-note {
    font-size: .9rem;
    color: var(--mks-muted);
    margin: 14px 0 0;
    line-height: 1.8;
  }

  .brand-deco {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-weight: 900;
    color: var(--mks-deep);
    font-size: .95rem;
    background: var(--mks-accent);
    padding: 5px 14px 5px 8px;
    border-radius: 4px 999px 999px 4px;
  }

  .brand-deco i {
    width: 18px;
    height: 18px;
    background: var(--mks-brand);
    display: inline-block;
    border-radius: 5px;
  }

  /* not found */
  .not-found-card {
    background: var(--mks-paper);
    border: 2px dashed rgba(18, 59, 49, .25);
    border-radius: var(--radius-card);
    padding: 58px 32px;
    text-align: center;
  }

  .not-found-card h1 {
    color: var(--mks-brand);
    font-size: 2rem;
    margin-top: 0;
    margin-bottom: 12px;
  }

  .not-found-card p {
    color: var(--mks-muted);
    max-width: 420px;
    margin: 0 auto 28px;
  }

  /* bottom action */
  .post-bottom-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 36px;
    padding: 24px 0 0;
    border-top: 1px solid rgba(18, 59, 49, .12);
  }

  .quick-category-link {
    display: block;
    background: var(--mks-paper);
    border: 2px solid var(--mks-brand);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
  }

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

  .quick-category-link .category-head {
    background: var(--mks-brand);
    padding: 14px 20px;
    color: var(--mks-accent);
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .quick-category-link .category-head i {
    width: 9px;
    height: 9px;
    background: var(--mks-accent);
    border-radius: 50%;
  }

  .quick-category-link .category-info {
    padding: 14px 20px 18px;
    color: var(--mks-muted);
    font-size: .92rem;
    line-height: 1.7;
  }

  .recommend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 16px;
  }

  /* site footer */
  .site-footer {
    background: var(--mks-deep);
    color: rgba(246, 244, 234, .72);
    padding: 54px 0 28px;
    font-size: .94rem;
  }

  .site-footer .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(246, 244, 234, .18);
  }

  .site-footer .brand {
    color: #fff;
    font-size: 1.38rem;
    font-weight: 900;
    margin-bottom: 12px;
  }

  .site-footer .brand i {
    background: var(--mks-accent);
  }

  .site-footer .brand i::after {
    background: var(--mks-brand);
    clip-path: polygon(0 0, 82% 0, 100% 100%, 25% 100%);
  }

  .footer-about {
    color: rgba(246, 244, 234, .62);
    font-size: .92rem;
    line-height: 1.75;
    max-width: 320px;
    margin: 4px 0 0;
  }

  .footer-title {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 18px;
  }

  .footer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-list a {
    color: rgba(246, 244, 234, .72);
    transition: color .2s;
  }

  .footer-list a:hover {
    color: var(--mks-accent);
  }

  .footer-contact div {
    margin-bottom: 10px;
    line-height: 1.6;
    color: rgba(246, 244, 234, .68);
  }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px 16px;
    padding-top: 24px;
    font-size: .875rem;
    color: rgba(246, 244, 234, .5);
  }

  .footer-bottom a {
    color: rgba(246, 244, 234, .68);
  }

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

  /* responsive */
  @media (max-width: 1100px) {
    .site-nav a {
      padding: 6px 8px;
      font-size: .95rem;
    }
  }

  @media (max-width: 900px) {
    .article-layout {
      grid-template-columns: minmax(0, 1fr);
      padding-bottom: 34px;
    }

    .post-aside {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .post-aside .aside-block {
      margin: 0;
    }

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

    .site-nav,
    .nav-cta,
    .hot-trigger {
      display: none;
    }

    .menu-toggle {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      justify-content: center;
    }

    .mobile-nav {
      display: none;
      border-top: 1px solid rgba(18, 59, 49, .1);
      background: rgba(246, 244, 234, .98);
    }

    .mobile-nav.open {
      display: block;
    }

    .mobile-nav ul {
      list-style: none;
      margin: 0;
      padding: 10px 20px 20px;
    }

    .mobile-nav a {
      display: block;
      padding: 13px 8px;
      font-weight: 700;
      color: var(--mks-brand);
      border-left: 4px solid transparent;
    }

    .mobile-nav a.active,
    .mobile-nav a:hover {
      border-left-color: var(--mks-accent);
      background: rgba(221, 244, 84, .22);
      border-radius: 8px;
    }
  }

  @media (max-width: 768px) {
    .footer-top {
      grid-template-columns: 1fr;
      gap: 30px;
    }

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

    .post-aside {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 520px) {
    .container {
      padding-inline: 16px;
    }

    .header-inner {
      min-height: 64px;
    }

    .brand {
      font-size: 1.05rem;
    }

    .article-meta-band {
      padding: 34px 0 36px;
    }

    .article-hero-title h1 {
      font-size: 1.45rem;
    }

    .crub-list,
    .crumb-list {
      font-size: .8rem;
      gap: 6px;
    }

    .article-layout {
      padding: 32px 16px 40px;
      gap: 24px;
    }

    .post-foot {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      transition-duration: .01ms !important;
      animation-duration: .01ms !important;
    }
  }

/* roulang page: category2 */
:root {
    --brand: #123B31;
    --accent: #DDF454;
    --paper: #F6F4EA;
    --sand: #EBE6D8;
    --deep: #0B2820;
    --ink: #1A2B21;
    --muted: #64756C;
    --white: #fff;
    --error: #C94F44;
    --radius: 12px;
    --radius-btn: 999px;
    --shadow: 4px 4px 0 rgba(18, 59, 49, 0.14);
    --shadow-lg: 6px 6px 0 rgba(18, 59, 49, 0.17);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    background: var(--paper);
    color: var(--ink);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "HarmonyOS Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }

  body.no-scroll {
    overflow: hidden;
  }

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

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

  a:hover,
  a:focus-visible {
    outline: none;
  }

  ul,
  ol {
    list-style: none;
  }

  h1,
  h2,
  h3,
  h4 {
    line-height: 1.3;
    color: var(--brand);
    font-weight: 850;
    text-wrap: balance;
  }

  p {
    overflow-wrap: break-word;
  }

  ::selection {
    background: var(--accent);
    color: var(--deep);
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 16px;
  }

  section {
    scroll-margin-top: 90px;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(246, 244, 234, 0.92);
    border-bottom: 1px solid rgba(18, 59, 49, 0.1);
    backdrop-filter: saturate(1.4) blur(14px);
    -webkit-backdrop-filter: saturate(1.4) blur(14px);
  }

  .header-row {
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--brand);
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    white-space: nowrap;
  }

  .brand > i {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--brand);
    flex: 0 0 auto;
  }

  .brand > i::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 6px;
    width: 20px;
    height: 13px;
    background: var(--accent);
    border-radius: 3px;
    clip-path: polygon(0 0, 75% 0, 100% 100%, 24% 100%);
  }

  .brand > i::after {
    content: "";
    position: absolute;
    right: 5px;
    bottom: 5px;
    width: 17px;
    height: 17px;
    border: 2px solid rgba(246, 244, 234, 0.94);
    border-radius: 5px;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
  }

  .site-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 6px 16px;
    border-radius: 999px;
    color: var(--brand);
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
  }

  .site-nav a:hover {
    background: rgba(18, 59, 49, 0.09);
    color: var(--brand);
  }

  .site-nav a:focus-visible {
    outline: 2px dashed var(--brand);
    outline-offset: 2px;
  }

  .site-nav a.active {
    background: var(--brand);
    color: var(--accent);
    box-shadow: 0 0 0 3px rgba(18, 59, 49, 0.12);
  }

  .site-nav a.active:hover {
    color: var(--accent);
  }

  .nav-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .nav-btn {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--brand);
    color: var(--accent);
    cursor: pointer;
  }

  .nav-btn-icon {
    position: relative;
    display: block;
    width: 20px;
    height: 14px;
  }

  .nav-btn-icon::before,
  .nav-btn-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: currentColor;
    transition: top 0.2s, transform 0.2s, opacity 0.2s;
  }

  .nav-btn-icon::before {
    top: 0;
    box-shadow: 0 6px 0 currentColor;
  }

  .nav-btn-icon::after {
    top: 12px;
  }

  #navOpen:checked ~ .nav-btn {
    background: var(--deep);
    color: var(--accent);
  }

  #navOpen:checked ~ .nav-btn .nav-btn-icon::before {
    top: 6px;
    transform: rotate(45deg);
    box-shadow: none;
  }

  #navOpen:checked ~ .nav-btn .nav-btn-icon::after {
    top: 6px;
    transform: rotate(-45deg);
  }

  /* Shared block headings */
  .section-head {
    max-width: 780px;
    margin-bottom: 44px;
  }

  .section-head.center {
    margin-inline: auto;
    text-align: center;
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 3px 14px;
    margin-bottom: 14px;
    border-radius: 999px;
    border: 1px solid rgba(18, 59, 49, 0.16);
    background: rgba(221, 244, 84, 0.55);
    color: var(--brand);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1;
  }

  .section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--brand);
    margin-bottom: 14px;
  }

  .section-lead {
    color: var(--muted);
    font-size: 1.05rem;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 26px;
    border: 2px solid transparent;
    border-radius: 999px;
    font: inherit;
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  }

  .btn:focus-visible {
    outline: 2px dashed var(--brand);
    outline-offset: 4px;
  }

  .btn-primary {
    background: var(--accent);
    color: var(--ink);
    box-shadow: 4px 4px 0 var(--brand);
  }

  .btn-primary:hover {
    transform: translate(-1px, -1px);
    box-shadow: 6px 6px 0 var(--brand);
  }

  .btn-primary:active {
    transform: translate(0, 0);
    box-shadow: 4px 4px 0 var(--brand);
  }

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

  .btn-ghost:hover {
    background: var(--brand);
    color: var(--accent);
    transform: translateY(-1px);
  }

  .btn-ghost:active {
    transform: translateY(0);
  }

  .btn-light {
    background: var(--paper);
    color: var(--brand);
    border-color: transparent;
    box-shadow: 4px 4px 0 rgba(221, 244, 84, 0.35);
  }

  .btn-deep {
    background: var(--deep);
    color: var(--accent);
    box-shadow: 4px 4px 0 rgba(18, 59, 49, 0.22);
  }

  .btn-deep:hover {
    transform: translate(-1px, -1px);
    box-shadow: 6px 6px 0 rgba(18, 59, 49, 0.3);
  }

  /* Category hero */
  .cat-hero {
    position: relative;
    min-height: 58vh;
    display: flex;
    align-items: center;
    padding: 108px 0 80px;
    overflow: hidden;
    background-color: var(--deep);
    background-image: linear-gradient(112deg, rgba(11, 40, 32, 0.94) 0%, rgba(18, 59, 49, 0.72) 62%, rgba(11, 40, 32, 0.72) 100%), url("/assets/images/backpic/back-2.png");
    background-size: cover;
    background-position: center;
  }

  .cat-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(246, 244, 234, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(246, 244, 234, 0.055) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
  }

  .cat-hero::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    right: -60px;
    top: 34px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.12;
    filter: blur(2px);
    pointer-events: none;
  }

  .cat-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: rgba(246, 244, 234, 0.72);
    font-size: 0.875rem;
  }

  .breadcrumb a {
    color: var(--accent);
    transition: opacity 0.2s;
  }

  .breadcrumb a:hover {
    opacity: 0.8;
  }

  .breadcrumb span[aria-current="page"] {
    color: rgba(246, 244, 234, 0.92);
  }

  .cat-hero h1 {
    max-width: 860px;
    color: var(--paper);
    font-size: clamp(2.1rem, 5.6vw, 3.85rem);
    letter-spacing: -0.02em;
    margin-bottom: 18px;
  }

  .cat-hero h1 .hight-light {
    color: var(--accent);
  }

  .hero-lead {
    max-width: 680px;
    color: rgba(246, 244, 234, 0.84);
    font-size: clamp(1.02rem, 1.6vw, 1.18rem);
    line-height: 1.9;
    margin-bottom: 32px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  .cat-hero .btn-ghost {
    border-color: rgba(246, 244, 234, 0.9);
    color: var(--paper);
  }

  .cat-hero .btn-ghost:hover {
    background: var(--paper);
    color: var(--deep);
  }

  /* Generic content section */
  .content-section {
    padding: clamp(64px, 8vw, 104px) 0;
  }

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

  /* Overview area */
  .overview-feature {
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: var(--paper);
    border: 1px solid rgba(18, 59, 49, 0.1);
    box-shadow: var(--shadow);
    transition: transform 0.25s, box-shadow 0.25s;
  }

  .overview-feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  .overview-image-wrap {
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--sand);
  }

  .overview-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
  }

  .overview-feature:hover .overview-image-wrap img {
    transform: scale(1.02);
  }

  .overview-copy {
    padding: 30px;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 2px 12px;
    border-radius: 999px;
    background: var(--brand);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1;
  }

  .overview-copy h3 {
    font-size: 1.4rem;
    margin: 18px 0 10px;
  }

  .overview-copy p {
    color: var(--muted);
    margin-bottom: 18px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand);
    font-weight: 800;
  }

  .text-link i {
    font-style: normal;
    display: inline-block;
    transition: transform 0.2s;
  }

  .text-link:hover i {
    transform: translateX(4px);
  }

  .service-aside {
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 100%;
  }

  .aside-item {
    flex: 1;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    min-height: 0;
    padding: 24px;
    background: var(--paper);
    border: 1px solid rgba(18, 59, 49, 0.08);
    border-left: 4px solid var(--accent);
    border-radius: 14px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  }

  .aside-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: rgba(235, 230, 216, 0.6);
  }

  .aside-num {
    min-width: 42px;
    color: var(--brand);
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 1;
  }

  .aside-item h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
  }

  .aside-item p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.7;
  }

  /* Process section */
  .process-wrap {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
  }

  .process-intro {
    grid-column: span 5;
    position: sticky;
    top: 116px;
    align-self: start;
  }

  .process-steps {
    grid-column: span 7;
  }

  .step-block {
    position: relative;
    display: grid;
    grid-template-columns: 84px 1fr;
    gap: 24px;
    padding: 12px 0 38px;
  }

  .step-block:not(:last-child) {
    border-bottom: 1px solid rgba(18, 59, 49, 0.12);
    margin-bottom: 12px;
  }

  .step-index {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: var(--brand);
    font-size: 2.2rem;
    font-weight: 900;
    line-height: 1.1;
  }

  .step-index::after {
    content: "";
    width: 18px;
    height: 4px;
    background: var(--accent);
    border-radius: 99px;
    margin-top: 10px;
  }

  .step-copy h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
  }

  .step-copy p {
    color: var(--muted);
    max-width: 52ch;
  }

  .process-cta {
    margin-top: 38px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  /* Scene section */
  .scene-media {
    position: relative;
    padding: 16px;
    background: var(--brand);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
  }

  .scene-media::after {
    content: "";
    position: absolute;
    right: -6px;
    bottom: -6px;
    width: 56px;
    height: 56px;
    border-right: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    border-radius: 0 0 12px 0;
  }

  .scene-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 12px;
    background: var(--sand);
  }

  .scene-caption {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 6px 4px;
    color: rgba(246, 244, 234, 0.78);
    font-size: 0.86rem;
  }

  .scene-caption::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    flex: 0 0 auto;
  }

  .scene-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
  }

  .scene-list li {
    padding: 20px;
    border: 1px solid rgba(18, 59, 49, 0.12);
    border-radius: 14px;
    background: var(--paper);
    transition: transform 0.2s, box-shadow 0.2s;
  }

  .scene-list li:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
  }

  .scene-list strong {
    display: block;
    color: var(--brand);
    font-size: 1.05rem;
    margin-bottom: 6px;
  }

  .scene-list p {
    color: var(--muted);
    font-size: 0.95rem;
  }

  /* Deep proof band */
  .proof-band {
    background: var(--deep);
    color: rgba(246, 244, 234, 0.82);
  }

  .proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }

  .proof-item {
    padding: 18px 22px;
    border-radius: 18px;
    background: rgba(246, 244, 234, 0.04);
    border: 1px solid rgba(221, 244, 84, 0.22);
  }

  .proof-label {
    color: var(--accent);
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
  }

  .proof-value {
    color: var(--paper);
    font-size: 1.18rem;
    font-weight: 850;
  }

  .proof-foot {
    margin-top: 24px;
    color: rgba(246, 244, 234, 0.5);
    font-size: 0.86rem;
  }

  /* FAQ */
  .faq-layout {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 44px;
  }

  .faq-intro {
    grid-column: span 5;
  }

  .faq-list-wrap {
    grid-column: span 7;
  }

  .faq-item {
    border-radius: 16px;
    border: 1px solid rgba(18, 59, 49, 0.12);
    background: var(--paper);
    margin-bottom: 14px;
    transition: background 0.2s, border-color 0.2s;
  }

  .faq-item[open] {
    background: var(--sand);
    border-color: rgba(18, 59, 49, 0.2);
  }

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    list-style: none;
    padding: 22px 24px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 800;
    color: var(--brand);
    line-height: 1.6;
    transition: color 0.2s;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: "";
    flex: 0 0 auto;
    width: 14px;
    height: 14px;
    background: linear-gradient(var(--brand), var(--brand)) center / 100% 2px no-repeat,
                linear-gradient(var(--brand), var(--brand)) center / 2px 100% no-repeat;
    transition: transform 0.2s, background 0.2s;
  }

  .faq-item[open] summary::after {
    transform: rotate(135deg);
  }

  .faq-item summary:hover {
    color: var(--deep);
  }

  .faq-item summary:focus-visible {
    outline: 2px dashed var(--brand);
    outline-offset: 4px;
    border-radius: 12px;
  }

  .faq-answer {
    padding: 0 24px 24px;
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.9;
  }

  .faq-answer p + p {
    margin-top: 10px;
  }

  .faq-note {
    margin-top: 28px;
    padding: 18px 22px;
    border-radius: 14px;
    background: rgba(18, 59, 49, 0.06);
    color: var(--muted);
    font-size: 0.92rem;
  }

  /* Consult CTA */
  .consult-zone {
    padding: 0 0 96px;
  }

  .consult-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    flex-wrap: wrap;
    padding: clamp(30px, 5vw, 56px);
    background: var(--accent);
    border: 2px solid var(--brand);
    border-radius: 24px;
    box-shadow: var(--shadow);
  }

  .consult-banner h2 {
    color: var(--deep);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 10px;
  }

  .consult-banner p {
    max-width: 60ch;
    color: rgba(11, 40, 32, 0.74);
  }

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

  /* Floating CTA */
  .float-cta {
    position: fixed;
    right: 20px;
    bottom: 22px;
    z-index: 50;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    background: var(--brand);
    color: var(--accent);
    font-size: 0.93rem;
    font-weight: 800;
    box-shadow: 4px 4px 0 rgba(221, 244, 84, 0.55);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  }

  .float-cta::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
  }

  .float-cta:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0 rgba(221, 244, 84, 0.7);
    background: var(--deep);
  }

  .float-cta:focus-visible {
    outline: 2px dashed var(--accent);
    outline-offset: 4px;
  }

  /* Footer */
  .site-footer {
    background: var(--deep);
    color: rgba(246, 244, 234, 0.78);
    padding-top: 64px;
  }

  .site-footer .container {
    padding-bottom: 0;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(246, 244, 234, 0.14);
  }

  .footer-brand .brand {
    color: var(--paper);
    font-size: 1.2rem;
    letter-spacing: -0.02em;
  }

  .footer-brand .brand > i {
    background: var(--accent);
  }

  .footer-brand .brand > i::before {
    background: var(--brand);
    border-radius: 3px;
  }

  .footer-brand .brand > i::after {
    border-color: rgba(11, 40, 32, 0.72);
  }

  .footer-about {
    margin-top: 18px;
    max-width: 38ch;
    color: rgba(246, 244, 234, 0.6);
    font-size: 0.9rem;
    line-height: 1.8;
  }

  .footer-title {
    margin-bottom: 16px;
    color: var(--paper);
    font-size: 0.95rem;
    font-weight: 850;
  }

  .footer-list li + li {
    margin-top: 10px;
  }

  .footer-list a {
    color: rgba(246, 244, 234, 0.76);
    font-size: 0.92rem;
    transition: color 0.2s;
  }

  .footer-list a:hover,
  .footer-list a:focus-visible {
    color: var(--accent);
    outline: none;
  }

  .footer-contact {
    font-style: normal;
    color: rgba(246, 244, 234, 0.74);
    font-size: 0.92rem;
    line-height: 1.8;
  }

  .footer-contact > div + div {
    margin-top: 6px;
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 24px 0 32px;
    color: rgba(246, 244, 234, 0.55);
    font-size: 0.84rem;
  }

  .footer-bottom a {
    color: rgba(246, 244, 234, 0.62);
  }

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

  /* Responsive */
  @media (max-width: 1024px) {
    .footer-top {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    body {
      font-size: 15px;
    }

    .site-nav {
      position: fixed;
      top: 72px;
      right: 16px;
      left: 16px;
      z-index: 70;
      display: grid;
      gap: 6px;
      align-content: start;
      margin: 0;
      padding: 14px;
      background: rgba(246, 244, 234, 0.98);
      border: 1px solid rgba(18, 59, 49, 0.14);
      border-radius: 20px;
      box-shadow: var(--shadow-lg);
      opacity: 0;
      transform: translateY(8px);
      pointer-events: none;
      transition: opacity 0.2s, transform 0.2s;
      max-height: calc(100vh - 90px);
      overflow: auto;
    }

    #navOpen:checked ~ .site-nav {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .nav-btn {
      display: inline-flex;
    }

    .site-nav a {
      justify-content: flex-start;
      min-height: 46px;
      border-radius: 12px;
    }

    .site-nav a.active {
      border-left: 4px solid var(--accent);
      border-radius: 12px;
    }

    .header-row {
      min-height: 68px;
    }

    .cat-hero {
      min-height: auto;
      padding: 86px 0 60px;
    }

    .process-wrap {
      grid-template-columns: 1fr;
      gap: 0;
    }

    .process-intro {
      grid-column: auto;
      position: static;
      margin-bottom: 42px;
    }

    .process-steps {
      grid-column: auto;
    }

    .faq-layout {
      grid-template-columns: 1fr;
    }

    .faq-intro,
    .faq-list-wrap {
      grid-column: auto;
    }

    .proof-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .scene-list {
      grid-template-columns: 1fr;
    }

    .consult-zone {
      padding-bottom: 72px;
    }

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

  @media (max-width: 520px) {
    .brand {
      font-size: 1rem;
    }

    .brand > i {
      width: 30px;
      height: 30px;
    }

    .brand > i::before {
      top: 5px;
      left: 5px;
      width: 18px;
      height: 12px;
    }

    .cat-hero {
      padding: 66px 0 48px;
    }

    .hero-actions {
      width: 100%;
    }

    .hero-actions .btn {
      width: 100%;
    }

    .overview-copy {
      padding: 24px 20px;
    }

    .step-block {
      grid-template-columns: 56px 1fr;
      gap: 16px;
    }

    .step-index {
      font-size: 1.7rem;
    }

    .step-index::after {
      width: 14px;
      height: 3px;
      margin-top: 8px;
    }

    .aside-item {
      flex-direction: column;
      padding: 20px 18px;
    }

    .aside-num {
      font-size: 1.2rem;
    }

    .footer-top {
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .float-cta {
      right: 16px;
      bottom: 16px;
      min-width: 48px;
      min-height: 48px;
      padding: 0 16px;
    }

    .section-head {
      margin-bottom: 32px;
    }
  }

/* roulang page: category1 */
:root {
    --brand: #123B31;
    --accent: #DDF454;
    --paper: #F6F4EA;
    --sand: #EBE6D8;
    --deep: #0B2820;
    --ink: #1A2B21;
    --muted: #64756C;
    --danger: #C94F44;
    --card-radius: 12px;
    --shadow-card: 4px 4px 0 rgba(18,59,49,0.14);
    --shadow-hover: 6px 6px 0 rgba(18,59,49,0.2);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: PingFang SC, Hiragino Sans GB, Microsoft YaHei, Noto Sans CJK SC, HarmonyOS Sans SC, system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    display: block;
    border-radius: var(--card-radius);
  }

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

  a:focus-visible,
  button:focus-visible {
    outline: 3px dashed var(--accent);
    outline-offset: 4px;
  }

  button {
    font-family: inherit;
  }

  .container {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 16px;
  }

  .site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 40;
    transition: background-color .25s ease, box-shadow .25s ease, border-color .25s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .site-header .header-inner {
    min-height: 80px;
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.01em;
    color: #fff;
    transition: color .2s ease;
    white-space: nowrap;
  }

  .brand i {
    width: 12px;
    height: 30px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(221, 244, 84, 0.18);
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
  }

  .site-nav a {
    position: relative;
    display: inline-block;
    padding: 8px 14px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 999px;
    transition: color .18s ease, background-color .18s ease;
  }

  .site-nav a::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 4px;
    height: 2px;
    background: var(--accent);
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .2s ease;
  }

  .site-nav a:hover {
    color: var(--accent);
  }

  .site-nav a:hover::after {
    transform: scaleX(1);
  }

  .site-nav a.active {
    background: var(--brand);
    color: var(--accent);
  }

  .site-nav a.active::after {
    transform: scaleX(1);
  }

  .site-header.is-sticky {
    position: fixed;
    background: rgba(246, 244, 234, 0.86);
    backdrop-filter: saturate(1.4) blur(12px);
    border-color: rgba(18, 59, 49, 0.08);
    box-shadow: 0 1px 0 rgba(18, 59, 49, 0.08);
  }

  .site-header.is-sticky .brand,
  .site-header.is-sticky .site-nav a {
    color: var(--brand);
  }

  .site-header.is-sticky .site-nav a::after {
    background: var(--brand);
  }

  .site-header.is-sticky .site-nav a.active {
    background: var(--brand);
    color: var(--accent);
  }

  .nav-toggle {
    display: none;
    margin-left: auto;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    place-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    transition: border-color .2s ease;
  }

  .nav-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 10px;
    background: #fff;
    transition: background-color .2s ease;
  }

  .site-header.is-sticky .nav-toggle {
    border-color: rgba(18, 59, 49, 0.4);
  }

  .site-header.is-sticky .nav-toggle span {
    background: var(--brand);
  }

  .mobile-panel {
    display: none;
    background: var(--sand);
    border-radius: 12px;
    padding: 14px;
    margin-top: 10px;
    position: relative;
    z-index: 45;
  }

  .mobile-panel.open {
    display: block;
  }

  .mobile-panel a {
    display: block;
    padding: 14px 14px;
    border-radius: 8px;
    color: var(--ink);
    font-weight: 500;
    border-left: 4px solid transparent;
  }

  .mobile-panel a:hover {
    background: #fff;
  }

  .mobile-panel a.active {
    border-left-color: var(--brand);
    background: #fff;
    color: var(--brand);
  }

  .page-hero {
    min-height: 64vh;
    background-color: var(--brand);
    background-image: linear-gradient(100deg, rgba(11, 40, 32, 0.88) 0%, rgba(18, 59, 49, 0.78) 100%), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: #fff;
    padding-top: 140px;
    padding-bottom: 68px;
    position: relative;
    overflow: hidden;
  }

  .page-hero::after {
    content: "";
    position: absolute;
    right: -70px;
    bottom: -40px;
    width: 320px;
    height: 320px;
    border: 2px solid rgba(221, 244, 84, 0.35);
    border-radius: 50%;
    pointer-events: none;
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    max-width: 860px;
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: .875rem;
    color: rgba(255, 255, 255, 0.64);
    margin-bottom: 28px;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    transition: color .2s ease;
  }

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

  .breadcrumb span {
    opacity: .65;
  }

  .page-hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.4rem);
    line-height: 1.18;
    margin-top: 0;
    margin-bottom: 24px;
    letter-spacing: 0.03em;
    position: relative;
  }

  .page-hero h1::before {
    content: "";
    display: block;
    width: 88px;
    height: 8px;
    background: var(--accent);
    border-radius: 999px;
    margin-bottom: 24px;
  }

  .hero-lead {
    max-width: 660px;
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 32px;
  }

  .btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 26px;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: box-shadow .2s ease, transform .2s ease, background-color .2s ease, border-color .2s ease;
  }

  .btn-primary {
    background: var(--accent);
    color: var(--ink);
    box-shadow: 4px 4px 0 var(--brand);
    border-color: var(--accent);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0 var(--brand);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 2px 2px 0 var(--brand);
  }

  .btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.9);
    box-shadow: none;
  }

  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
  }

  .btn-dark {
    background: var(--brand);
    color: #fff;
    box-shadow: 4px 4px 0 rgba(11, 40, 32, 0.16);
  }

  .btn-dark:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0 rgba(11, 40, 32, 0.2);
  }

  .block-pad {
    padding: 88px 0;
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--brand);
    font-weight: 700;
    font-size: .8125rem;
    letter-spacing: .08em;
    margin-bottom: 12px;
    text-transform: uppercase;
  }

  .section-kicker::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 99px;
  }

  .section-heading {
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    line-height: 1.3;
    margin-top: 0;
    margin-bottom: 18px;
    color: var(--brand);
  }

  .section-desc {
    max-width: 1100px;
    margin: 12px 0 36px;
    color: var(--muted);
  }

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

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

  .equip-card {
    background: #fff;
    border: 1px solid rgba(18, 59, 49, 0.1);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    padding: 28px;
    transition: transform .2s ease, box-shadow .2s ease;
    position: relative;
  }

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

  .card-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px 12px 12px 0;
    background: var(--brand);
    color: var(--accent);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 18px;
  }

  .equip-card h3 {
    font-size: 1.3rem;
    color: var(--brand);
    margin: 0 0 12px;
  }

  .equip-card p {
    font-size: .95rem;
    color: var(--muted);
    margin: 0 0 6px;
  }

  .split-block {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    align-items: center;
    gap: 44px;
    margin-top: 64px;
  }

  .split-block:first-of-type {
    margin-top: 34px;
  }

  .split-figure {
    grid-column: span 6;
    min-height: 380px;
    border-radius: var(--card-radius);
    background: var(--deep);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card);
  }

  .split-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 380px;
  }

  .split-text {
    grid-column: span 6;
  }

  .split-text .anchor-line {
    display: inline-block;
    background: var(--accent);
    color: var(--ink);
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: .8125rem;
    margin-bottom: 16px;
  }

  .split-text h3 {
    font-size: 1.7rem;
    line-height: 1.35;
    color: var(--brand);
    margin-top: 0;
    margin-bottom: 14px;
  }

  .split-text p {
    color: var(--muted);
    margin: 0 0 16px;
  }

  .check-list {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
  }

  .check-list li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
    color: var(--ink);
  }

  .check-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 11px;
    width: 8px;
    height: 5px;
    border-left: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
    transform: rotate(-45deg);
  }

  .flow-section {
    background: var(--deep);
    color: rgba(255, 255, 255, 0.9);
  }

  .flow-section .section-heading {
    color: #fff;
  }

  .flow-section .section-desc {
    color: rgba(255, 255, 255, 0.7);
  }

  .flow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    margin-top: 46px;
  }

  .flow-item {
    position: relative;
    padding: 28px 22px 22px 88px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--card-radius);
  }

  .flow-num {
    position: absolute;
    left: 20px;
    top: 24px;
    font-size: 3rem;
    line-height: 1;
    color: var(--accent);
    font-weight: 700;
  }

  .flow-item h3 {
    color: #fff;
    font-size: 1.25rem;
    margin: 0 0 8px;
  }

  .flow-item p {
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: .9375rem;
  }

  .qa-list {
    max-width: 940px;
    margin: 34px auto 0;
  }

  .faq-item {
    border-bottom: 1px solid rgba(18, 59, 49, 0.14);
    transition: background-color .2s ease;
  }

  .faq-item:first-child {
    border-top: 1px solid rgba(18, 59, 49, 0.14);
  }

  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 10px;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
  }

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

  .faq-arrow::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 8px;
    width: 12px;
    height: 2px;
    background: var(--brand);
  }

  .faq-arrow::after {
    content: "";
    position: absolute;
    left: 8px;
    top: 3px;
    width: 2px;
    height: 12px;
    background: var(--brand);
    transition: transform .2s ease;
  }

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

  .faq-answer {
    display: none;
    padding: 0 40px 22px 10px;
    color: var(--muted);
    font-size: .9375rem;
  }

  .faq-item.open {
    background: var(--sand);
    border-radius: 12px;
    border-left: 3px solid var(--accent);
    padding-left: 8px;
  }

  .faq-item.open .faq-answer {
    display: block;
    animation: fadeIn .2s ease;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(-4px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .cta-banner {
    background: var(--accent);
    color: var(--deep);
    text-align: center;
    padding: 52px 20px;
    border-radius: 18px;
    margin: 0 0 28px;
  }

  .cta-banner h2 {
    font-size: clamp(1.65rem, 3vw, 2.4rem);
    line-height: 1.3;
    margin: 0 0 12px;
  }

  .cta-banner p {
    max-width: 700px;
    margin: 0 auto 28px;
    font-size: 1.05rem;
    color: rgba(11, 40, 32, 0.8);
  }

  .site-footer {
    background: var(--deep);
    color: rgba(246, 244, 234, 0.78);
    padding: 60px 0 28px;
    margin-top: 20px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.9fr 1.1fr;
    gap: 40px;
    padding-bottom: 32px;
  }

  .footer-brand .brand {
    font-size: 1.4rem;
    margin-bottom: 14px;
  }

  .footer-about {
    max-width: 360px;
    font-size: .875rem;
    line-height: 1.8;
    color: rgba(246, 244, 234, 0.62);
    margin: 12px 0 0;
  }

  .footer-title {
    color: #fff;
    font-weight: 700;
    font-size: 1.02rem;
    margin-bottom: 10px;
  }

  .footer-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .footer-list li {
    margin-bottom: 8px;
  }

  .footer-list a {
    color: rgba(246, 244, 234, 0.72);
    transition: color .2s ease, padding-left .2s ease;
  }

  .footer-list a:hover {
    color: var(--accent);
    padding-left: 4px;
  }

  .footer-contact {
    font-style: normal;
    font-size: .875rem;
    line-height: 1.9;
    color: rgba(246, 244, 234, 0.7);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    font-size: .8125rem;
    color: rgba(246, 244, 234, 0.45);
  }

  .footer-bottom a {
    color: rgba(246, 244, 234, 0.62);
    transition: color .2s ease;
  }

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

  @media (max-width: 1024px) {
    .site-nav {
      display: none;
    }
    .nav-toggle {
      display: inline-flex;
    }
    .grid-3 {
      grid-template-columns: 1fr 1fr;
    }
    .split-figure,
    .split-text {
      grid-column: span 12;
    }
    .split-block {
      gap: 28px;
    }
    .split-figure {
      min-height: 300px;
    }
    .flow-grid {
      grid-template-columns: 1fr;
    }
    .footer-top {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    body {
      font-size: 15px;
    }
    .block-pad {
      padding: 60px 0;
    }
    .page-hero {
      min-height: auto;
      padding-top: 120px;
      padding-bottom: 40px;
    }
    .grid-3 {
      grid-template-columns: 1fr;
    }
    .footer-top {
      grid-template-columns: 1fr;
      gap: 26px;
    }
    .footer-bottom {
      flex-direction: column;
    }
    .flow-item {
      padding: 24px 20px 20px 76px;
    }
    .btn-row .btn {
      width: 100%;
    }
    .section-desc {
      margin-bottom: 26px;
    }
    .cta-banner {
      border-radius: 14px;
      padding: 36px 16px;
    }
  }

  @media (max-width: 520px) {
    .container {
      padding-inline: 14px;
    }
    .brand {
      font-size: 1.15rem;
    }
    .page-hero h1 {
      margin-bottom: 18px;
    }
    .hero-lead {
      font-size: 1rem;
    }
    .split-block {
      grid-template-columns: 1fr;
      gap: 18px;
    }
    .split-figure,
    .split-figure img {
      min-height: 220px;
    }
  }

/* roulang page: category3 */
:root {
    --brand: #123B31;
    --accent: #DDF454;
    --paper: #F6F4EA;
    --sand: #EBE6D8;
    --deep: #0B2820;
    --ink: #1A2B21;
    --muted: #64756C;
    --radius: 12px;
    --shadow: 4px 4px 0 rgba(18, 59, 49, 0.14);
    --shadow-hover: 6px 6px 0 rgba(18, 59, 49, 0.2);
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "HarmonyOS Sans SC", system-ui, -apple-system, 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);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  img {
    display: block;
    max-width: 100%;
  }
  a {
    color: var(--brand);
    text-decoration: none;
    transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
  }
  button,
  input,
  textarea {
    font-family: inherit;
  }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
  }
  .scroll-margin {
    scroll-margin-top: 96px;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--brand);
    white-space: nowrap;
  }
  .brand i {
    width: 26px;
    height: 26px;
    display: inline-block;
    border-radius: 50% 50% 50% 4px;
    background: var(--accent);
    border: 3px solid var(--brand);
    flex: 0 0 auto;
  }
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background .3s ease, box-shadow .3s ease;
    background: transparent;
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    gap: 16px;
  }
  .site-header .brand {
    color: #F6F4EA;
  }
  .site-header .brand i {
    background: var(--accent);
    border-color: #F6F4EA;
  }
  .site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 6px 16px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    border-radius: 999px;
    position: relative;
  }
  .nav-link:hover {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
  }
  .nav-link.active {
    color: var(--accent);
    font-weight: 600;
  }
  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 5px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
  }
  .nav-cta {
    flex: 0 0 auto;
  }
  .site-header.nav-scrolled {
    background: rgba(246, 244, 234, 0.88);
    backdrop-filter: saturate(1.4) blur(14px);
    -webkit-backdrop-filter: saturate(1.4) blur(14px);
    box-shadow: 0 1px 0 rgba(18, 59, 49, 0.1), 0 8px 30px rgba(18, 59, 49, 0.06);
  }
  .site-header.nav-scrolled .brand {
    color: var(--brand);
  }
  .site-header.nav-scrolled .brand i {
    border-color: var(--brand);
  }
  .site-header.nav-scrolled .nav-link {
    color: var(--brand);
  }
  .site-header.nav-scrolled .nav-link:hover {
    color: var(--deep);
    background: rgba(18, 59, 49, 0.06);
  }
  .site-header.nav-scrolled .nav-link.active {
    color: var(--brand);
  }
  .site-header.nav-scrolled .nav-link.active::after {
    background: var(--accent);
  }
  .menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
  }
  .menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--paper);
    transition: transform .2s ease, opacity .2s ease;
  }
  .site-header.nav-scrolled .menu-toggle span {
    background: var(--brand);
  }
  .menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mega-wrap {
    position: relative;
    margin-left: 8px;
  }
  .mega-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 44px;
    padding: 8px 20px;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    border-radius: 999px;
    font-size: .925rem;
    cursor: pointer;
    font-weight: 600;
    transition: background .2s ease, color .2s ease;
  }
  .site-header.nav-scrolled .mega-trigger {
    border-color: var(--brand);
    color: var(--brand);
  }
  .mega-trigger:hover {
    background: var(--accent);
    color: var(--brand);
  }
  .mega-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 500px;
    background: var(--paper);
    border-radius: 16px;
    border: 2px solid var(--brand);
    box-shadow: 8px 8px 0 rgba(18, 59, 49, .16);
    padding: 18px;
    display: none;
    grid-template-columns: 1fr 1.4fr;
    gap: 18px;
    z-index: 1002;
  }
  .mega-panel.open {
    display: grid;
  }
  .mega-link-group p {
    font-size: .8rem;
    letter-spacing: .08em;
    color: var(--muted);
    margin: 0 0 8px;
    font-weight: 600;
  }
  .mega-link-group a {
    display: block;
    padding: 8px 10px;
    border-radius: 8px;
    color: var(--brand);
    font-size: .92rem;
    font-weight: 500;
  }
  .mega-link-group a:hover {
    background: var(--sand);
    color: var(--deep);
  }
  .mega-cards .mega-card {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(18, 59, 49, .12);
    margin-bottom: 8px;
    background: white;
    display: flex;
    gap: 12px;
    padding: 8px;
    align-items: center;
  }
  .mega-card img {
    width: 58px;
    height: 58px;
    object-fit: cover;
    border-radius: 8px;
    flex: 0 0 auto;
  }
  .mega-card strong {
    display: block;
    color: var(--ink);
    font-size: .9rem;
    line-height: 1.4;
  }
  .mega-card span {
    font-size: .78rem;
    color: var(--muted);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 8px 24px;
    border-radius: 999px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    gap: 8px;
    line-height: 1.4;
    transition: all .2s ease;
  }
  .btn-accent {
    background: var(--accent);
    color: var(--ink);
    border: 2px solid var(--brand);
    box-shadow: 4px 4px 0 var(--brand);
  }
  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0 var(--brand);
  }
  .btn-accent:active {
    transform: translateY(0);
    box-shadow: 2px 2px 0 var(--brand);
  }
  .btn-outline {
    background: transparent;
    color: var(--brand);
    border: 2px solid var(--brand);
    box-shadow: 3px 3px 0 rgba(18, 59, 49, .12);
  }
  .btn-outline:hover {
    background: var(--brand);
    color: var(--paper);
    transform: translateY(-1px);
    box-shadow: 5px 5px 0 rgba(18, 59, 49, .2);
  }
  .btn-deep {
    background: var(--deep);
    color: var(--accent);
    border: 2px solid var(--accent);
    box-shadow: 4px 4px 0 rgba(0, 0, 0, .2);
  }
  .btn-deep:hover {
    transform: translateY(-2px);
    background: #0d3228;
  }
  .btn-white {
    background: var(--paper);
    color: var(--brand);
    border: 2px solid var(--brand);
  }
  .btn-white:hover {
    background: var(--accent);
  }

  .category-hero {
    position: relative;
    min-height: 58vh;
    display: flex;
    align-items: center;
    color: var(--paper);
    overflow: hidden;
    background:
      linear-gradient(112deg, rgba(11, 40, 32, .96) 0%, rgba(18, 59, 49, .92) 42%, rgba(18, 59, 49, .70) 78%, rgba(18, 59, 49, .55) 100%),
      url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat,
      var(--brand);
  }
  .category-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(221, 244, 84, .09) 1px, transparent 1px),
      linear-gradient(90deg, rgba(221, 244, 84, .07) 1px, transparent 1px);
    background-size: 72px 72px;
    pointer-events: none;
    z-index: 1;
  }
  .category-hero .container {
    position: relative;
    z-index: 2;
    padding-top: 140px;
    padding-bottom: 72px;
  }
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: .875rem;
    margin: 0 0 20px;
    gap: 8px;
    color: rgba(246, 244, 234, .78);
  }
  .breadcrumb a {
    color: rgba(246, 244, 234, .78);
  }
  .breadcrumb a:hover {
    color: var(--accent);
  }
  .breadcrumb li {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
    gap: 8px;
  }
  .hero-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(221, 244, 84, .16);
    border: 1px solid rgba(221, 244, 84, .5);
    color: var(--accent);
    padding: 4px 14px;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .08em;
  }
  .category-hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.4rem);
    line-height: 1.15;
    margin: 18px 0 14px;
    color: #fff;
    letter-spacing: .01em;
  }
  .category-hero p {
    max-width: 60ch;
    font-size: 1.05rem;
    color: rgba(246, 244, 234, .88);
    margin: 0 0 26px;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }
  .gear-stat-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 26px;
  }
  .gear-stat-inline div {
    border-left: 2px solid var(--accent);
    padding-left: 12px;
    font-size: .85rem;
    color: rgba(246, 244, 234, .76);
  }
  .gear-stat-inline strong {
    color: var(--accent);
    font-size: 1.3rem;
    display: block;
    line-height: 1.2;
  }

  .section-space {
    padding-top: 88px;
    padding-bottom: 88px;
  }
  .section-header {
    margin-bottom: 44px;
  }
  .section-heading {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    line-height: 1.25;
    color: var(--brand);
    margin: 0 0 12px;
  }
  .section-sub {
    font-size: 1rem;
    color: var(--muted);
    max-width: 62ch;
    margin: 0;
  }
  .kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--brand);
    margin-bottom: 10px;
    text-transform: uppercase;
  }
  .kicker::before {
    content: "";
    width: 18px;
    height: 3px;
    background: var(--accent);
    border-radius: 4px;
  }
  .alternate-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 56px;
    margin-bottom: 88px;
  }
  .alternate-row:last-child {
    margin-bottom: 0;
  }
  .alt-media {
    border-radius: 18px;
    overflow: hidden;
    border: 2px solid var(--brand);
    box-shadow: var(--shadow);
    background: var(--sand);
  }
  .alt-media img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
  }
  .media-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--brand);
    color: var(--paper);
    padding: 8px 14px;
    font-size: .8rem;
  }
  .media-tag {
    background: var(--accent);
    color: var(--brand);
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: .72rem;
  }
  .alt-content h2 {
    font-size: clamp(1.5rem, 2.4vw, 2.15rem);
    line-height: 1.3;
    margin: 0 0 20px;
    color: var(--brand);
  }
  .alt-content p {
    color: #41564c;
    font-size: 1rem;
    line-height: 1.9;
    margin: 0 0 16px;
  }
  .alt-content .brand-mark {
    color: var(--brand);
    font-weight: 700;
  }
  .spec-list {
    list-style: none;
    margin: 12px 0 20px;
    padding: 0;
  }
  .spec-list li {
    padding-left: 28px;
    position: relative;
    margin-bottom: 10px;
    font-size: .95rem;
    color: var(--ink);
    line-height: 1.65;
  }
  .spec-list li::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 6px;
    width: 9px;
    height: 5px;
    border-left: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
    transform: rotate(-45deg);
  }

  .topic-tiles {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }
  .tile-large {
    grid-column: span 7;
  }
  .tile-small {
    grid-column: span 5;
  }
  .topic-tile {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    background: var(--brand);
    border: 2px solid var(--brand);
    box-shadow: var(--shadow);
    min-height: 210px;
    display: block;
    transition: transform .2s ease, box-shadow .2s ease;
  }
  .topic-tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
  }
  .topic-tile.tall {
    min-height: 340px;
  }
  .topic-tile img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .55;
    transition: transform .4s ease, opacity .3s ease;
  }
  .topic-tile:hover img {
    transform: scale(1.04);
    opacity: .42;
  }
  .tile-fill {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 40, 32, 0.05) 20%, rgba(11, 40, 32, .9) 100%);
    z-index: 1;
  }
  .tile-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 22px 24px;
    color: #fff;
  }
  .tile-content .tile-index {
    background: var(--accent);
    color: var(--brand);
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: .9rem;
    border-radius: 50%;
    margin-bottom: 12px;
  }
  .tile-content h3 {
    font-size: 1.5rem;
    margin: 0 0 10px;
    line-height: 1.3;
  }
  .tile-content h4 {
    font-size: 1.08rem;
    margin: 0 0 8px;
    line-height: 1.4;
  }
  .tile-content p {
    font-size: .9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, .88);
    max-width: 40ch;
  }
  .tile-content .arrow-link {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-weight: 600;
    font-size: .95rem;
  }
  .arrow-link span {
    transition: transform .2s ease;
  }
  .topic-tile:hover .arrow-link span {
    transform: translateX(4px);
  }

  .scenario-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 28px;
  }
  .scenario-item {
    border-radius: 14px;
    border: 1px solid rgba(221, 244, 84, .35);
    background: rgba(255, 255, 255, .04);
    padding: 16px 18px;
    color: var(--paper);
  }
  .scenario-item .scene-no {
    color: var(--accent);
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .12em;
  }
  .scenario-item strong {
    display: block;
    margin: 6px 0 4px;
    font-size: 1rem;
  }
  .scenario-item p {
    margin: 0;
    font-size: .84rem;
    color: rgba(246, 244, 234, .74);
    line-height: 1.65;
  }

  .guide-block {
    background: var(--sand);
    border-radius: 24px;
    padding: 44px 40px;
    position: relative;
    overflow: hidden;
  }
  .guide-block::after {
    content: "GEAR GUIDE";
    position: absolute;
    right: -12px;
    bottom: -24px;
    font-size: 4.5rem;
    font-weight: 900;
    letter-spacing: .1em;
    color: rgba(18, 59, 49, .08);
    pointer-events: none;
    line-height: 1;
  }
  .guide-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin: 30px 0 0;
    position: relative;
    z-index: 1;
  }
  .guide-step {
    background: var(--paper);
    border-radius: 16px;
    padding: 24px 18px;
    border-top: 4px solid var(--brand);
    box-shadow: 3px 3px 0 rgba(18, 59, 49, .08);
    position: relative;
  }
  .guide-step .step-num {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
  }
  .guide-step h3 {
    font-size: 1.05rem;
    margin: 10px 0 6px;
    color: var(--brand);
  }
  .guide-step p {
    font-size: .86rem;
    line-height: 1.7;
    color: var(--muted);
    margin: 0;
  }

  .deep-section {
    background: var(--deep);
    color: var(--paper);
    position: relative;
    overflow: hidden;
  }
  .deep-section::before {
    content: "";
    position: absolute;
    width: 480px;
    height: 480px;
    right: -160px;
    top: -160px;
    border-radius: 50%;
    background: rgba(221, 244, 84, .06);
    pointer-events: none;
  }
  .evidence-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
  }
  .evidence-item {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 16px;
    padding: 22px 18px;
  }
  .evidence-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    display: block;
  }
  .evidence-item span:last-child {
    font-size: .9rem;
    color: rgba(246, 244, 234, .76);
    line-height: 1.6;
  }
  .evidence-note {
    font-size: .82rem;
    color: rgba(246, 244, 234, .5);
    border-left: 2px solid var(--accent);
    padding-left: 12px;
  }

  .faq-list {
    border-top: 1px solid rgba(18, 59, 49, .2);
  }
  .faq-item {
    border-bottom: 1px solid rgba(18, 59, 49, .2);
    border-radius: 0;
    background: transparent;
    transition: background .2s ease;
  }
  .faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    cursor: pointer;
    padding: 20px 18px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand);
    min-height: 44px;
  }
  .faq-item summary::before {
    content: none;
  }
  .faq-item summary::-webkit-details-marker {
    display: none;
  }
  .faq-icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex: 0 0 auto;
  }
  .faq-icon::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 2px;
    left: 3px;
    top: 9px;
    background: var(--brand);
    border-radius: 3px;
  }
  .faq-icon::after {
    content: "";
    position: absolute;
    width: 2px;
    height: 14px;
    left: 9px;
    top: 3px;
    background: var(--brand);
    border-radius: 3px;
    transition: transform .2s ease, opacity .2s ease;
  }
  .faq-item[open] {
    background: var(--sand);
  }
  .faq-item[open] .faq-icon::after {
    transform: rotate(90deg);
    opacity: 0;
  }
  .faq-item[open] .faq-icon::before {
    transform: rotate(180deg);
  }
  .faq-item[open] summary {
    font-weight: 700;
  }
  .faq-item .answer {
    color: #43564d;
    padding: 0 20px 22px;
    font-size: .95rem;
    line-height: 1.9;
    max-width: 72ch;
  }
  .faq-item[open] summary {
    padding-bottom: 4px;
  }

  .footer {
    background: var(--deep);
    color: var(--paper);
    padding-top: 64px;
    padding-bottom: 30px;
  }
  .site-footer {
    background: var(--deep);
    color: rgba(246, 244, 234, .8);
    padding: 56px 0 30px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr .9fr 1.3fr;
    gap: 36px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }
  .footer-brand .brand {
    color: var(--paper);
    font-size: 1.25rem;
  }
  .footer-about {
    margin: 16px 0 0;
    font-size: .9rem;
    line-height: 1.8;
    color: rgba(246, 244, 234, .62);
    max-width: 34ch;
  }
  .footer-title {
    color: var(--paper);
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 14px;
  }
  .footer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
  }
  .footer-list a {
    color: rgba(246, 244, 234, .66);
    font-size: .92rem;
  }
  .footer-list a:hover {
    color: var(--accent);
  }
  .footer-contact {
    font-style: normal;
    font-size: .9rem;
    color: rgba(246, 244, 234, .66);
    line-height: 1.8;
  }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding-top: 18px;
    font-size: .82rem;
    color: rgba(246, 244, 234, .5);
  }
  .footer-bottom a {
    color: rgba(246, 244, 234, .5);
  }
  .footer-bottom a:hover {
    color: var(--accent);
  }

  .consult-ribbon {
    background: var(--accent);
    padding: 26px 30px;
    border-radius: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    box-shadow: 6px 6px 0 rgba(18, 59, 49, .18);
    margin-top: 80px;
  }
  .consult-ribbon h2 {
    color: var(--deep);
    font-size: clamp(1.2rem, 2.2vw, 1.7rem);
    margin: 0 0 6px;
    line-height: 1.3;
  }
  .consult-ribbon p {
    margin: 0;
    font-size: .94rem;
    color: rgba(11, 40, 32, .78);
  }
  .float-cta {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 900;
    border-radius: 999px;
    padding: 8px 22px;
    background: var(--deep);
    color: var(--accent);
    border: 2px solid var(--accent);
    font-weight: 700;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, .18);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform .2s ease, box-shadow .2s ease;
  }
  .float-cta:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0 rgba(0, 0, 0, .22);
    color: var(--deep);
  }
  .focus-outline:focus-visible,
  .nav-link:focus-visible,
  .btn:focus-visible,
  .topic-tile:focus-visible,
  .footer-list a:focus-visible,
  .footer-bottom a:focus-visible {
    outline: 3px dashed rgba(221, 244, 84, .9);
    outline-offset: 3px;
  }
  .no-js .menu-toggle,
  .no-js .mega-panel,
  .no-js .float-cta {
    display: none !important;
  }
  @media (max-width: 1023px) {
    .footer-top {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .topic-tile,
    .tile-large,
    .tile-small {
      grid-column: span 6;
    }
    .guide-steps {
      grid-template-columns: 1fr 1fr;
    }
    .evidence-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 991px) {
    .nav-inner {
      min-height: 64px;
    }
    .site-header .brand {
      z-index: 2;
    }
    .site-header .brand {
      color: var(--paper);
    }
    .site-header.nav-scrolled .brand {
      color: var(--brand);
    }
    .menu-toggle {
      display: inline-flex;
      z-index: 2;
    }
    .site-nav {
      position: fixed;
      top: 0;
      right: 0;
      width: min(480px, 100%);
      height: 100vh;
      background: var(--brand);
      flex-direction: column;
      align-items: stretch;
      padding: 90px 22px 30px;
      transform: translateX(100%);
      transition: transform .3s ease;
      gap: 6px;
      border-left: 1px solid rgba(221, 244, 84, .3);
    }
    .site-nav.open {
      transform: translateX(0%);
    }
    .site-nav .nav-link {
      color: var(--paper);
      font-size: 1rem;
      justify-content: flex-start;
      padding: 12px 18px;
      border-radius: 12px;
    }
    .site-nav .nav-link.active {
      background: transparent;
      color: var(--accent);
      box-shadow: inset 4px 0 0 var(--accent);
      border-radius: 0;
    }
    .site-nav .nav-link.active::after {
      display: none;
    }
    .site-nav .nav-link:hover {
      background: rgba(255, 255, 255, .08);
    }
    .no-js .site-nav {
      transform: none;
      position: fixed;
    }
    .no-js .menu-toggle {
      display: none !important;
    }
    .mega-wrap {
      display: none;
    }
    .site-header.nav-scrolled .site-nav {
      background: rgba(11, 40, 32, .98);
    }
    .site-header.nav-scrolled .site-nav .nav-link {
      color: var(--paper);
    }
    .site-header.nav-scrolled .site-nav .nav-link.active {
      color: var(--accent);
    }
    .alternate-row {
      grid-template-columns: 1fr;
      gap: 30px;
    }
    .alternate-row.flip .alt-media {
      order: 1;
    }
    .alternate-row.flip .alt-content {
      order: 2;
    }
  }
  @media (max-width: 767px) {
    .container {
      padding-left: 18px;
      padding-right: 18px;
    }
    .section-space {
      padding-top: 62px;
      padding-bottom: 62px;
    }
    .category-hero {
      min-height: 72vh;
    }
    .category-hero .container {
      padding-top: 116px;
    }
    .topic-tile,
    .tile-large,
    .tile-small {
      grid-column: span 12;
      min-height: 220px;
    }
    .topic-tile.tall {
      min-height: 270px;
    }
    .scenario-strip {
      grid-template-columns: 1fr;
    }
    .guide-block {
      padding: 30px 18px;
    }
    .guide-steps {
      grid-template-columns: 1fr;
    }
    .footer-top {
      grid-template-columns: 1fr;
      gap: 28px;
    }
    .evidence-grid {
      grid-template-columns: 1fr;
    }
    .consult-ribbon {
      padding: 24px 18px;
    }
    .float-cta {
      width: 52px;
      height: 52px;
      padding: 0;
      justify-content: center;
      right: 14px;
      bottom: 14px;
    }
    .float-cta span {
      display: none;
    }
    .al-footer {
      text-align: left;
    }
  }
  @media (max-width: 480px) {
    .hero-actions {
      flex-direction: column;
    }
    .hero-actions .btn {
      width: 100%;
    }
    .navbar {
      align-items: flex-start;
    }
    .category-hero h1 {
      font-size: 2.3rem;
    }
  }