/* roulang page: index */
:root{
  --ink:#0B3A2E;
  --ink-deep:#072A21;
  --lime:#C8F24D;
  --track:#FF5A1F;
  --track-dark:#E44A12;
  --sand:#F7F5EF;
  --white:#FFFFFF;
  --text:#12211C;
  --text-2:#4A5A54;
  --text-3:#8A968F;
  --line:#E3E0D6;
  --ok:#2F9E6B;
  --warn:#E0A22A;
  --err:#D64A3B;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 2px 6px rgba(11,58,46,.06), 0 12px 28px rgba(11,58,46,.08);
  --sh-hover:0 18px 36px rgba(11,58,46,.14);
  --container:1280px;
  --header:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--header);
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--track);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--header);
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{height:64px;box-shadow:0 8px 24px rgba(11,58,46,.10);}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.logo-sub{font-size:12px;font-weight:500;color:var(--text-3);margin-left:4px;letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:28px;height:100%;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;font-weight:500;color:var(--text-2);padding:0 2px;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink);}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}

/* Mega menu */
.mega{position:relative;height:100%;display:flex;align-items:center;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--text-2);
  height:100%;padding:0 2px;
}
.mega-trigger svg{width:14px;height:14px;transition:transform .24s ease;}
.mega:hover .mega-trigger,.mega:focus-within .mega-trigger{color:var(--ink);}
.mega:hover .mega-trigger svg,.mega:focus-within .mega-trigger svg{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 10px);right:-40px;width:820px;max-width:calc(100vw - 40px);
  background:var(--white);border-radius:var(--r-card);border-top:3px solid var(--lime);
  box-shadow:0 24px 60px rgba(11,58,46,.18);padding:26px;
  display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--text-3);margin-bottom:12px;}
.mega-link{display:block;font-size:14px;color:var(--text-2);line-height:2;transition:color .2s ease,transform .2s ease;}
.mega-link:hover{color:var(--track);transform:translateX(3px);}
.mega-post{display:block;padding:8px 0;border-bottom:1px dashed var(--line);}
.mega-post:last-child{border-bottom:none;}
.mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5;transition:color .2s ease;}
.mega-post span{font-size:12px;color:var(--text-3);}
.mega-post:hover strong{color:var(--track);}
.mega-card{
  display:block;border-radius:var(--r-img);overflow:hidden;background:var(--sand);
  border:1px solid var(--line);transition:box-shadow .25s ease,transform .25s ease;
}
.mega-card img{width:100%;height:112px;object-fit:cover;}
.mega-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.mega-card-body{padding:12px 14px 14px;}
.mega-card-body strong{display:block;font-size:14px;color:var(--ink);margin-bottom:2px;}
.mega-card-body em{font-style:normal;font-size:12px;color:var(--text-3);display:inline-flex;align-items:center;gap:4px;}

/* Mobile drawer */
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(7,42,33,.98);color:#fff;
  padding:24px 20px 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s ease;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:42px;height:42px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;}
.drawer-nav a{
  display:block;font-size:18px;font-weight:600;color:#fff;padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a:hover{color:var(--lime);}
.drawer-sub{padding:14px 0 4px;}
.drawer-sub a{font-size:15px;font-weight:400;color:rgba(255,255,255,.72);padding:9px 0;border:none;display:block;line-height:1.6;}
.drawer-sub a:hover{color:var(--lime);}
.drawer-cta{margin-top:26px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--track);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.26);}
.btn-primary:hover{background:var(--track-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,31,.32);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.34;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,42,33,.96) 0%,rgba(11,58,46,.88) 48%,rgba(11,58,46,.66) 100%);}
.hero-stripes{
  position:absolute;inset:auto 0 0 0;height:120px;
  background-image:repeating-linear-gradient(45deg,rgba(200,242,77,.10) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.hero-arc{position:absolute;right:-80px;bottom:-60px;width:420px;opacity:.22;pointer-events:none;}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
  padding:68px 0 76px;min-height:560px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--lime);
  padding:6px 14px;border-radius:999px;background:rgba(200,242,77,.12);
  border:1px solid rgba(200,242,77,.3);margin-bottom:22px;
}
.hero h1{font-size:46px;line-height:1.2;margin-bottom:18px;color:#fff;}
.hero h1 .hl{color:var(--lime);}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-list{display:flex;flex-wrap:wrap;gap:10px;}
.trust-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:500;color:var(--lime);
  background:rgba(11,58,46,.72);border:1px solid rgba(200,242,77,.28);
  padding:7px 13px;border-radius:999px;
}
.trust-item i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;height:360px;object-fit:cover;border-radius:18px;border:1px solid rgba(255,255,255,.16);}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;background:#fff;color:var(--text);
  border-radius:14px;padding:14px 18px;box-shadow:0 20px 40px rgba(7,42,33,.35);
  display:flex;align-items:center;gap:12px;
}
.hero-float strong{font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-float span{font-size:13px;color:var(--text-2);line-height:1.4;}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section-sand{background:var(--sand);}
.section-white{background:var(--white);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--ink);background:rgba(200,242,77,.5);padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.section-title{font-size:34px;line-height:1.3;color:var(--ink);margin-bottom:14px;}
.section-sub{font-size:16px;line-height:1.85;color:var(--text-2);}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.link-more{font-size:15px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--track);}

/* ---------- Stats band ---------- */
.stats-band{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden;}
.stats-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:80px;
  background-image:repeating-linear-gradient(45deg,rgba(200,242,77,.07) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.stats-inner{position:relative;z-index:2;padding:72px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:24px 22px 26px;position:relative;overflow:hidden;
  transition:transform .25s ease,background .25s ease;
}
.stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.08);}
.stat-num{font-size:48px;line-height:1;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;}
.stat-num small{font-size:18px;font-weight:700;margin-left:4px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:10px;}
.stat-bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--lime),var(--track));}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,58,46,.18);}
.service-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--ink);}
.service-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.service-card:hover .service-thumb img{transform:scale(1.04);}
.service-num{
  position:absolute;left:14px;top:12px;font-size:12px;font-weight:800;letter-spacing:.1em;
  color:var(--ink);background:var(--lime);padding:4px 10px;border-radius:999px;
}
.service-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.service-title{font-size:19px;font-weight:600;color:var(--ink);}
.service-desc{font-size:14px;line-height:1.8;color:var(--text-2);flex:1;}
.service-link{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.service-card:hover .service-link{color:var(--track);}

/* ---------- Compare ---------- */
.compare-wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-card);
}
.compare-card.is-platform{background:var(--ink);border-color:var(--ink);color:#fff;}
.compare-card.is-platform .compare-title{color:#fff;}
.compare-card.is-platform .compare-list li{color:rgba(255,255,255,.82);border-bottom-color:rgba(255,255,255,.14);}
.compare-card.is-platform .compare-list li::before{background:var(--lime);}
.compare-title{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.compare-list li{
  position:relative;padding:12px 0 12px 20px;font-size:15px;line-height:1.75;color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.compare-list li:last-child{border-bottom:none;}
.compare-list li::before{
  content:"";position:absolute;left:0;top:20px;width:8px;height:8px;border-radius:2px;background:var(--text-3);
}
.compare-tag{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;
  background:rgba(11,58,46,.07);color:var(--ink);
}
.compare-card.is-platform .compare-tag{background:rgba(200,242,77,.16);color:var(--lime);}
.compare-vs{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
  box-shadow:0 10px 24px rgba(11,58,46,.25);border:4px solid var(--sand);z-index:3;
}
.compare-line{position:absolute;left:50%;top:0;bottom:0;width:1px;background:rgba(200,242,77,.6);transform:translateX(-50%);z-index:1;}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:var(--ink);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-badge{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--ink);
  background:rgba(200,242,77,.55);padding:4px 10px;border-radius:999px;
}
.news-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);}
.news-card:hover .news-title{color:var(--track);}
.news-excerpt{font-size:14px;line-height:1.8;color:var(--text-2);flex:1;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px;}
.news-date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-link{font-size:14px;font-weight:600;color:var(--ink);}
.news-card:hover .news-link{color:var(--track);}
.empty-state{
  grid-column:1/-1;text-align:center;background:var(--white);border:1px dashed var(--line);
  border-radius:var(--r-card);padding:56px 24px;
}
.empty-state svg{width:56px;height:56px;margin:0 auto 16px;display:block;opacity:.5;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(11,58,46,.2);box-shadow:var(--sh-card);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(200,242,77,.5);color:var(--ink);font-size:18px;line-height:1;
  transition:transform .24s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item[open]{border-left:3px solid var(--lime);}
.faq-answer{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;}
.contact-points li{
  display:flex;gap:10px;font-size:15px;color:var(--text-2);padding:9px 0;line-height:1.7;
}
.contact-points li::before{content:"—";color:var(--lime);font-weight:700;}
.form-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-card);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#FCFBF7;color:var(--text);
  transition:border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(200,242,77,.45);
}
.field-err{display:none;font-size:12px;color:var(--err);margin-top:6px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);background:#FEF6F5;}
.field.has-error .field-err{display:block;}
.form-msg{display:none;margin-bottom:18px;padding:14px 16px;border-radius:var(--r-btn);font-size:14px;}
.form-msg.is-success{display:block;background:rgba(47,158,107,.1);border:1px solid rgba(47,158,107,.35);color:#1F7A50;}
.form-msg.is-error{display:block;background:rgba(214,74,59,.08);border:1px solid rgba(214,74,59,.35);color:#B2382B;}
.form-note{font-size:12px;color:var(--text-3);margin-top:12px;}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(200,242,77,.28);pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;padding:60px 0;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-title{font-size:28px;line-height:1.35;color:#fff;margin-bottom:8px;}
.cta-text{font-size:15px;color:rgba(255,255,255,.75);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);position:relative;overflow:hidden;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--lime);}
.footer-arc{position:absolute;left:-100px;bottom:-140px;width:420px;opacity:.12;pointer-events:none;}
.footer-inner{position:relative;z-index:2;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(200,242,77,.16);}
.footer-brand span{font-size:17px;font-weight:700;color:#fff;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links a{display:block;font-size:14px;line-height:2;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{font-size:14px;line-height:2;color:rgba(255,255,255,.72);}
.footer-contact li strong{color:#fff;font-weight:600;margin-right:6px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:52px 0 60px;min-height:0;}
  .hero h1{font-size:36px;}
  .hero-visual img{height:300px;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:72px 0;}
  .section-title{font-size:28px;}
}
@media (max-width:980px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
}
@media (max-width:768px){
  .compare-wrap{grid-template-columns:1fr;gap:20px;}
  .compare-line,.compare-vs{display:none;}
  .cta-inner{padding:48px 0;}
  .cta-title{font-size:23px;}
}
@media (max-width:640px){
  body{font-size:15px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-float{left:8px;bottom:-18px;padding:12px 14px;}
  .hero-float strong{font-size:19px;}
  .services-grid,.news-grid,.stats-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-title{font-size:25px;}
  .stat-num{font-size:40px;}
  .btn{height:46px;padding:0 20px;}
}

/* roulang page: article */
:root{
  --ink:#0B3A2E;
  --ink-deep:#072A21;
  --lime:#C8F24D;
  --track:#FF5A1F;
  --sand:#F7F5EF;
  --white:#FFFFFF;
  --text:#12211C;
  --text-2:#4A5A54;
  --text-3:#8A968F;
  --line:#E3E0D6;
  --ok:#2F9E6B;
  --warn:#E0A22A;
  --err:#D64A3B;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 2px 6px rgba(11,58,46,.06), 0 12px 28px rgba(11,58,46,.08);
  --shadow-hover:0 18px 36px rgba(11,58,46,.14);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--sand);
  color:var(--text);
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){
  .container{padding:0 32px;}
}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--ink);
  display:grid;
  place-items:center;
  flex:none;
}
.logo-mark svg{width:20px;height:20px;}
.brand small{
  font-size:12px;
  font-weight:600;
  color:var(--text-3);
  margin-left:2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 2px;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.mega{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  background:none;
  border:0;
  padding:6px 2px;
  transition:color .2s ease;
}
.mega-trigger svg{width:16px;height:16px;transition:transform .25s ease;}
.mega-trigger:hover,.mega-trigger:focus-visible{color:var(--ink);}
.mega-panel{
  position:absolute;
  top:calc(100% + 16px);
  right:-140px;
  width:820px;
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  gap:24px;
  padding:24px;
  background:#fff;
  border-radius:var(--radius-card);
  border-top:3px solid var(--lime);
  box-shadow:var(--shadow-hover);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
  z-index:70;
}
.mega:hover .mega-panel,
.mega:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega:hover .mega-trigger svg{transform:rotate(180deg);}
.mega-col-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--text-3);
  text-transform:uppercase;
  margin-bottom:12px;
}
.mega-link{
  display:block;
  font-size:14px;
  line-height:22px;
  color:var(--text-2);
  padding:6px 8px;
  border-radius:8px;
  transition:background .2s ease,color .2s ease;
}
.mega-link:hover{background:#F2F7EC;color:var(--ink);}
.mega-post{
  display:block;
  padding:8px;
  border-radius:8px;
  transition:background .2s ease;
}
.mega-post:hover{background:#F2F7EC;}
.mega-post strong{
  display:block;
  font-size:14px;
  font-weight:600;
  line-height:21px;
  color:var(--text);
  margin-bottom:2px;
}
.mega-post span{font-size:12px;color:var(--text-3);}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease;
}
.mega-card:hover{box-shadow:var(--shadow-card);transform:translateY(-3px);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card-body{display:block;padding:12px;}
.mega-card-body strong{display:block;font-size:14px;font-weight:700;color:var(--ink);}
.mega-card-body em{
  display:block;
  font-style:normal;
  font-size:12px;
  color:var(--track);
  margin-top:4px;
  font-weight:600;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  position:relative;
}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--ink);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-track{background:var(--track);color:#fff;box-shadow:0 10px 22px rgba(255,90,31,.26);}
.btn-track:hover{background:#e64f18;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,31,.34);}
.btn-track:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,90,31,.24);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

/* ---------- Article Hero ---------- */
.article-hero{
  position:relative;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.24;
}
.article-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(112deg,rgba(7,42,33,.94) 0%,rgba(11,58,46,.78) 62%,rgba(11,58,46,.6) 100%);
}
.hero-track{
  position:absolute;
  right:-40px;
  bottom:-60px;
  width:320px;
  height:320px;
  border-radius:50%;
  border:1px solid rgba(200,242,77,.28);
  box-shadow:0 0 0 28px rgba(200,242,77,.05), 0 0 0 62px rgba(200,242,77,.03);
  z-index:1;
}
.article-hero .container{position:relative;z-index:2;}
.hero-inner{padding:28px 0 44px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .crumb-title{
  max-width:280px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:rgba(255,255,255,.9);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.3px;
}
.badge-lime{background:var(--lime);color:var(--ink-deep);}
.badge-soft{background:#EDF6E2;color:var(--ink);}
.article-hero h1{
  font-size:30px;
  line-height:40px;
  font-weight:700;
  margin:16px 0 18px;
  letter-spacing:.2px;
  max-width:900px;
}
@media (min-width:1024px){
  .article-hero h1{font-size:46px;line-height:56px;}
}
.article-info{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.article-info span{display:inline-flex;align-items:center;gap:6px;}
.article-info strong{color:var(--lime);font-weight:600;}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
  padding:48px 0 0;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;padding:64px 0 0;}
}
.article-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px;
  font-size:17px;
  line-height:32px;
  color:var(--text);
  box-shadow:var(--shadow-card);
  text-align:justify;
  word-break:break-word;
}
@media (min-width:1024px){
  .article-body{padding:44px;}
}
.article-body p{margin:0 0 1em;}
.article-body h2{
  font-size:24px;
  line-height:34px;
  font-weight:700;
  color:var(--ink);
  margin:34px 0 14px;
  text-align:left;
}
.article-body h3{
  font-size:19px;
  line-height:28px;
  font-weight:600;
  color:var(--ink);
  margin:26px 0 12px;
  text-align:left;
}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
.article-body ul,.article-body ol{margin:0 0 1em;padding-left:22px;}
.article-body li{margin-bottom:8px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body blockquote{
  margin:24px 0;
  padding:14px 20px;
  border-left:4px solid var(--lime);
  background:#F5FAEE;
  border-radius:0 12px 12px 0;
  color:var(--text-2);
  text-align:left;
}
.article-body img{border-radius:var(--radius-img);margin:22px auto;}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--track);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:15px;
  line-height:24px;
  text-align:left;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;}
.article-body th{background:#F1F6EA;color:var(--ink);font-weight:600;}
.article-body code{
  background:#F1F6EA;
  padding:2px 6px;
  border-radius:6px;
  font-size:15px;
}
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:#F1F6EA;
  color:var(--ink);
  font-size:13px;
  font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--lime);}

/* ---------- Sidebar ---------- */
.sidebar{
  display:flex;
  flex-direction:column;
  gap:20px;
}
@media (min-width:1024px){
  .sidebar{position:sticky;top:96px;}
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.side-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
}
.side-title span{
  font-size:12px;
  font-weight:500;
  color:var(--text-3);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;
  font-size:14px;
  line-height:22px;
  color:var(--text-2);
  padding:7px 10px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-link:hover{background:#F5FAEE;color:var(--ink);border-left-color:var(--lime);}
.toc-link.toc-sub{padding-left:22px;font-size:13px;color:var(--text-3);}
.toc-empty{font-size:13px;color:var(--text-3);line-height:22px;}
.side-links{display:flex;flex-direction:column;gap:4px;}
.side-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  background:#FAFAF6;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-link:hover{background:#F1F6EA;color:var(--ink);transform:translateX(3px);}
.side-link em{font-style:normal;color:var(--track);font-weight:600;}
.hot-item{
  display:block;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.hot-item:last-child{border-bottom:0;padding-bottom:0;}
.hot-item strong{
  display:block;
  font-size:14px;
  font-weight:600;
  line-height:22px;
  color:var(--text);
  margin-bottom:4px;
  transition:color .2s ease;
}
.hot-item:hover strong{color:var(--track);}
.hot-item span{font-size:12px;color:var(--text-3);}
.side-cta{
  background:var(--ink);
  color:#fff;
  border-radius:var(--radius-card);
  padding:24px;
  position:relative;
  overflow:hidden;
}
.side-cta::after{
  content:"";
  position:absolute;
  right:-50px;
  bottom:-60px;
  width:160px;
  height:160px;
  border-radius:50%;
  border:1px solid rgba(200,242,77,.3);
}
.side-cta h3{
  font-size:17px;
  font-weight:700;
  line-height:26px;
  margin-bottom:8px;
  position:relative;
  z-index:1;
}
.side-cta p{
  font-size:13px;
  line-height:22px;
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
  position:relative;
  z-index:1;
}
.side-cta .btn{position:relative;z-index:1;width:100%;}

/* ---------- Continue Reading ---------- */
.section{padding:56px 0 0;}
@media (min-width:1024px){
  .section{padding:80px 0 0;}
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:24px;
  line-height:34px;
  font-weight:700;
  color:var(--ink);
}
@media (min-width:1024px){
  .section-head h2{font-size:30px;line-height:40px;}
}
.section-head p{
  font-size:14px;
  color:var(--text-2);
  margin-top:6px;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:4px;
  white-space:nowrap;
}
.link-more:hover{color:var(--track);}
.prev-next{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:768px){
  .prev-next{grid-template-columns:1fr 1fr;}
}
.pn-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 22px;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.pn-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:#D3E3C2;}
.pn-card span{font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:1px;}
.pn-card strong{
  display:block;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  margin:8px 0 6px;
}
.pn-card em{
  font-style:normal;
  font-size:13px;
  color:var(--text-2);
  line-height:22px;
}
.rec-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:640px){
  .rec-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:1024px){
  .rec-grid{grid-template-columns:repeat(3,1fr);}
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.rec-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.rec-cover{overflow:hidden;}
.rec-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.rec-card:hover .rec-cover img{transform:scale(1.04);}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{
  font-size:17px;
  line-height:26px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.rec-card:hover .rec-body h3{color:var(--ink);}
.rec-body p{
  font-size:14px;
  line-height:23px;
  color:var(--text-2);
}
.rec-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:var(--text-3);
  margin-top:auto;
}

/* ---------- CTA Strip ---------- */
.cta-strip{
  margin-top:64px;
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-strip::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(45deg,rgba(200,242,77,.06) 0 10px,transparent 10px 26px);
  opacity:.7;
}
.cta-strip-inner{
  position:relative;
  z-index:1;
  padding:44px 0;
  display:flex;
  flex-direction:column;
  gap:22px;
}
@media (min-width:1024px){
  .cta-strip-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 0;}
}
.cta-strip h2{
  font-size:24px;
  line-height:34px;
  font-weight:700;
  margin-bottom:8px;
}
.cta-strip p{
  font-size:14px;
  line-height:23px;
  color:rgba(255,255,255,.74);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Empty State ---------- */
.empty-state{
  text-align:center;
  padding:40px 10px;
}
.empty-state h2{
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:12px;
}
.empty-state p{
  font-size:15px;
  line-height:26px;
  color:var(--text-2);
  margin-bottom:22px;
}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  background:var(--ink-deep);
  color:#fff;
  margin-top:0;
  overflow:hidden;
}
.footer-arc{
  position:absolute;
  right:-60px;
  bottom:-120px;
  width:400px;
  height:400px;
  opacity:.18;
  pointer-events:none;
}
.footer-inner{
  position:relative;
  z-index:1;
  padding:56px 0 24px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--lime);
  opacity:.75;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;}
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  margin-bottom:14px;
}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);}
.footer-desc{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.68);
  max-width:360px;
}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;gap:2px;}
.footer-links a{
  font-size:14px;
  line-height:28px;
  color:rgba(255,255,255,.72);
}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{
  font-size:14px;
  line-height:26px;
  color:rgba(255,255,255,.72);
  display:flex;
  gap:8px;
}
.footer-contact strong{
  color:#fff;
  font-weight:600;
  flex:none;
}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.56);
}

/* ---------- Responsive Nav ---------- */
@media (max-width:1023px){
  .header-inner{height:64px;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .main-nav{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    bottom:0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 20px 40px;
    background:#fff;
    overflow-y:auto;
    transform:translateX(100%);
    transition:transform .3s ease;
    z-index:55;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    font-size:16px;
    padding:16px 4px;
    border-bottom:1px solid var(--line);
    color:var(--text);
  }
  .nav-link::after{display:none;}
  .mega{width:100%;}
  .mega-trigger{
    width:100%;
    justify-content:space-between;
    font-size:16px;
    padding:16px 4px;
    border-bottom:1px solid var(--line);
    color:var(--text);
  }
  .mega-panel{
    position:static;
    width:100%;
    grid-template-columns:1fr;
    gap:18px;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border-top:0;
    border-radius:0;
    padding:12px 0 20px;
    display:none;
  }
  .mega.is-open .mega-panel{display:grid;}
}
@media (max-width:520px){
  .article-hero h1{font-size:26px;line-height:36px;}
  .article-body{font-size:16px;line-height:29px;padding:22px 18px;}
  .rec-grid{gap:18px;}
  .cta-strip h2{font-size:21px;line-height:31px;}
}

/* roulang page: category1 */
:root{
  --ink:#0B3A2E;
  --ink-deep:#072A21;
  --lime:#C8F24D;
  --track:#FF5A1F;
  --sand:#F7F5EF;
  --white:#FFFFFF;
  --text:#12211C;
  --text-2:#4A5A54;
  --text-3:#8A968F;
  --line:#E3E0D6;
  --ok:#2F9E6B;
  --warn:#E0A22A;
  --err:#D64A3B;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-card:0 2px 6px rgba(11,58,46,.06),0 12px 28px rgba(11,58,46,.08);
  --sh-hover:0 18px 36px rgba(11,58,46,.14);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.15em}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
body.no-scroll{overflow:hidden}

.container{width:100%;max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,58,46,.09)}
.header-inner{
  height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 38px;
}
.logo-mark svg{width:22px;height:22px}
.brand-text{display:flex;align-items:baseline;gap:5px;font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.16em}
.header-right{display:flex;align-items:center;gap:22px}

.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover,.nav-link:focus-visible,.nav-link.is-active{color:var(--ink)}
.nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:600}

.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;
  font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;
}
.mega-trigger svg{width:16px;height:16px;transition:transform .25s ease}
.mega:hover .mega-trigger,.mega:focus-within .mega-trigger,.mega.is-open .mega-trigger{color:var(--ink)}
.mega:hover .mega-trigger svg,.mega.is-open .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:780px;
  background:#fff;border-radius:16px;border-top:3px solid var(--lime);
  box-shadow:0 26px 60px rgba(11,58,46,.2);padding:26px;
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease .15s,transform .22s ease .15s,visibility .22s ease .15s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);transition-delay:0s;
}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin-bottom:12px}
.mega-link{display:block;font-size:14px;color:var(--text-2);padding:6px 0}
.mega-link:hover{color:var(--track);text-decoration:underline;text-underline-offset:4px}
.mega-post{display:block;padding:8px 0;border-bottom:1px dashed var(--line)}
.mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5}
.mega-post span{font-size:12px;color:var(--text-3)}
.mega-post:hover strong{color:var(--track)}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--sand);
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.mega-card:hover img{transform:scale(1.04)}
.mega-card-body{display:block;padding:12px 14px}
.mega-card-body strong{display:block;font-size:14px;color:var(--ink)}
.mega-card-body em{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-top:4px}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);background:#fff;z-index:70;
  padding:88px 24px 40px;transform:translateX(101%);transition:transform .3s ease;
  overflow-y:auto;box-shadow:-24px 0 60px rgba(11,58,46,.22);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-close{
  position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;line-height:1;
}
.drawer-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin:22px 0 10px}
.drawer-link{display:block;padding:12px 0;font-size:16px;font-weight:500;color:var(--text-2);border-bottom:1px solid var(--line)}
.drawer-link:hover,.drawer-link.is-active{color:var(--ink);font-weight:600}

@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-right{gap:14px}
}
@media (min-width:1024px){
  .mobile-drawer{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--track);color:#fff;box-shadow:0 8px 18px rgba(255,90,31,.28)}
.btn-primary:hover{background:#ef4f14;transform:translateY(-2px);box-shadow:0 14px 26px rgba(255,90,31,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:var(--ink-deep)}
.btn-lime:hover{background:#b9e63b;transform:translateY(-2px);box-shadow:0 14px 26px rgba(200,242,77,.3)}

/* ---------- 通用标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1;
  padding:7px 13px;border-radius:999px;background:rgba(200,242,77,.35);color:var(--ink);
}
.badge-dark{background:rgba(200,242,77,.16);color:var(--lime);border:1px solid rgba(200,242,77,.4)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--text-3);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;
  min-height:340px;display:flex;align-items:center;padding:52px 0 46px;
}
.cat-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.34;transform:scale(1.03);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(100deg,rgba(7,42,33,.95) 0%,rgba(7,42,33,.8) 56%,rgba(7,42,33,.62) 100%),
    repeating-linear-gradient(45deg,rgba(200,242,77,.055) 0 8px,transparent 8px 20px);
}
.cat-hero-inner{position:relative;z-index:2;width:100%}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:#fff}
.cat-hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.22;font-weight:700;letter-spacing:-.01em;
  margin:16px 0 14px;max-width:820px;
}
.cat-hero-lead{font-size:clamp(16px,1.6vw,18px);line-height:1.8;color:rgba(255,255,255,.84);max-width:660px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:26px 0 0}
.hero-tags li{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(200,242,77,.14);border:1px solid rgba(200,242,77,.36);color:var(--lime);
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:40;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 6px 18px rgba(11,58,46,.05);
  transition:top .25s ease;
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:13px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:0 0 auto;font-size:14px;font-weight:500;color:var(--text-2);
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--sand);
  transition:all .2s ease;
}
.anchor-pill:hover{color:var(--ink);border-color:var(--ink)}
.anchor-pill.is-current{background:var(--ink);color:var(--lime);border-color:var(--ink);font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.section-dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(200,242,77,.05) 0 10px,transparent 10px 24px);
}
.section-dark > .container{position:relative;z-index:2}
.section-white{background:#fff}
.sec-head{max-width:780px;margin-bottom:40px}
.sec-head h2{font-size:clamp(23px,3vw,26px);line-height:1.4;font-weight:700;margin:14px 0 12px;color:var(--ink)}
.section-dark .sec-head h2{color:#fff}
.sec-head p{color:var(--text-2);font-size:16px}
.section-dark .sec-head p{color:rgba(255,255,255,.78)}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.reverse .split-media{order:2}
.split-body h2{font-size:clamp(22px,2.6vw,26px);line-height:1.42;font-weight:700;color:var(--ink);margin:14px 0 14px}
.split-body p{color:var(--text-2);line-height:1.85}
.media-frame{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-card)}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.media-frame:hover img{transform:scale(1.04)}
.media-frame figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(7,42,33,.78));
}
.point-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:13px}
.point-list li{position:relative;padding-left:26px;color:var(--text-2);line-height:1.8}
.point-list li::before{
  content:"";position:absolute;left:0;top:.58em;width:10px;height:10px;border-radius:3px;
  background:var(--lime);box-shadow:0 0 0 3px rgba(200,242,77,.3);
}
.point-list strong{color:var(--text)}

/* ---------- 流程横条 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:26px 22px;transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.flow-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(200,242,77,.5)}
.flow-step{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:var(--lime);color:var(--ink-deep);font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-card h3{font-size:19px;line-height:1.4;font-weight:600;color:#fff;margin-bottom:10px}
.flow-card p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.74)}
.flow-card .flow-meta{display:block;margin-top:16px;font-size:12px;letter-spacing:.06em;color:var(--lime)}

/* ---------- 分类卡网格 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,58,46,.24)}
.cat-icon{
  width:46px;height:46px;border-radius:13px;background:rgba(200,242,77,.36);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.cat-icon svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.cat-card h3{font-size:19px;line-height:1.4;font-weight:600;color:var(--ink);margin-bottom:10px}
.cat-card p{font-size:15px;line-height:1.78;color:var(--text-2)}
.cat-card .cat-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;color:var(--ink);
}
.cat-card .cat-link:hover{color:var(--track);text-decoration:underline;text-underline-offset:4px}

/* ---------- 数据卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;
  box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-num{
  font-size:clamp(32px,3.4vw,40px);line-height:1.1;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px;color:var(--text-2)}
.stat-label{margin-top:10px;font-size:14px;color:var(--text-2)}
.stat-bar{margin-top:16px;height:4px;border-radius:999px;background:var(--line);overflow:hidden}
.stat-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--track))}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(11,58,46,.24);box-shadow:var(--sh-card)}
.faq-item[open]{border-left:3px solid var(--lime)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ic{position:relative;flex:0 0 20px;width:20px;height:20px;margin-top:4px;transition:transform .25s ease}
.faq-ic::before,.faq-ic::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.faq-ic::before{left:9px;top:3px;width:2px;height:14px}
.faq-ic::after{top:9px;left:3px;width:14px;height:2px}
.faq-item[open] .faq-ic::before{opacity:0}
.faq-item[open] .faq-ic{transform:rotate(180deg)}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.78;color:var(--text-2)}
.faq-body p+p{margin-top:.85em}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;
  box-shadow:var(--sh-card);max-width:720px;margin:0 auto;
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;font:inherit;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,242,77,.6);outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.hint{font-size:12px;color:var(--text-3);margin-top:6px;line-height:1.6}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px}
.form-note{font-size:13px;color:var(--text-3)}

/* ---------- 页脚前 CTA ---------- */
.cta-band{background:var(--ink-deep);color:#fff;position:relative;overflow:hidden;padding:56px 0}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(200,242,77,.05) 0 10px,transparent 10px 24px);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h2{font-size:clamp(21px,2.6vw,26px);line-height:1.4;font-weight:700}
.cta-inner p{color:rgba(255,255,255,.76);margin-top:8px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-deep);color:#fff;padding:64px 0 0;overflow:hidden}
.footer-arc{position:absolute;right:-90px;bottom:-120px;width:420px;height:420px;opacity:.22;pointer-events:none}
.footer-inner{position:relative;z-index:2}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--lime);opacity:.6;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.08)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:2px}
.footer-links a{font-size:14px;line-height:2;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--lime)}
.footer-contact{list-style:none;padding:0;display:grid;gap:10px}
.footer-contact li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact strong{display:block;font-size:12px;font-weight:600;color:rgba(255,255,255,.5);letter-spacing:.06em}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .mega-panel{display:none}
}
@media (max-width:767px){
  .section,.section-tight{padding:56px 0}
  .cat-hero{min-height:0;padding:40px 0 36px}
  .header-inner{height:64px}
  .brand-text{font-size:17px}
  .flow-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:44px 0}
  .form-card{padding:22px}
}

/* roulang page: category2 */
:root{
    --ink:#0B3A2E;
    --ink-deep:#072A21;
    --lime:#C8F24D;
    --track:#FF5A1F;
    --sand:#F7F5EF;
    --white:#FFFFFF;
    --text:#12211C;
    --text-2:#4A5A54;
    --text-3:#8A968F;
    --line:#E3E0D6;
    --ok:#2F9E6B;
    --err:#D64A3B;
    --r-card:16px;
    --r-btn:10px;
    --r-img:12px;
    --sh-card:0 2px 6px rgba(11,58,46,.06), 0 12px 28px rgba(11,58,46,.08);
    --sh-hover:0 18px 36px rgba(11,58,46,.14);
    --t:.25s ease;
    --header-h:72px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    background:var(--sand);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px}

  .container{max-width:1280px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){ .container{padding:0 32px} }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:background-color var(--t), color var(--t), transform var(--t), box-shadow var(--t), border-color var(--t);
    white-space:nowrap;
  }
  .btn-primary{background:var(--track);color:#fff;box-shadow:0 6px 16px rgba(255,90,31,.28)}
  .btn-primary:hover{background:#e84f16;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,90,31,.32)}
  .btn-primary:active{transform:translateY(0)}
  .btn-outline{border:1px solid var(--ink);color:var(--ink);background:transparent}
  .btn-outline:hover{background:rgba(11,58,46,.06);transform:translateY(-2px)}
  .btn-outline:active{transform:translateY(0)}
  .btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.04)}
  .btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.97);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--t);
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,58,46,.08)}
  .header-inner{
    height:var(--header-h);
    display:flex;align-items:center;gap:24px;
    transition:height var(--t);
  }
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:36px;height:36px;border-radius:11px;background:var(--ink);
    display:grid;place-items:center;flex:0 0 36px;
  }
  .logo-mark svg{width:20px;height:20px}
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-text strong{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em}
  .logo-text small{font-size:11px;color:var(--text-3);letter-spacing:.28em}

  .main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
  .nav-link{
    position:relative;font-size:15px;font-weight:500;color:var(--text-2);
    padding:8px 0;transition:color var(--t);
  }
  .nav-link::after{
    content:'';position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--lime);transform:scaleX(0);transform-origin:center;transition:transform var(--t);
  }
  .nav-link:hover,.nav-link:focus-visible{color:var(--ink)}
  .nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.is-active::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--ink);font-weight:600}

  .mega{position:relative}
  .mega-trigger{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:500;color:var(--text-2);padding:8px 0;
    transition:color var(--t);
  }
  .mega-trigger svg{width:15px;height:15px;transition:transform var(--t)}
  .mega:hover .mega-trigger,.mega:focus-within .mega-trigger,.mega.is-open .mega-trigger{color:var(--ink)}
  .mega:hover .mega-trigger svg,.mega:focus-within .mega-trigger svg,.mega.is-open .mega-trigger svg{transform:rotate(180deg)}
  .mega-panel{
    position:absolute;top:calc(100% + 14px);right:0;width:780px;
    background:#fff;border-radius:var(--r-card);border-top:3px solid var(--lime);
    box-shadow:0 24px 56px rgba(11,58,46,.16);
    padding:24px;display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity var(--t), transform var(--t), visibility var(--t);
    z-index:70;
  }
  .mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{
    opacity:1;visibility:visible;transform:translateY(0);
  }
  .mega-col-title{
    font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--text-3);
    text-transform:uppercase;margin-bottom:12px;
  }
  .mega-link{
    display:block;font-size:14px;color:var(--text-2);padding:7px 0;
    transition:color var(--t), padding-left var(--t);
  }
  .mega-link:hover{color:var(--ink);padding-left:6px}
  .mega-post{display:block;padding:8px 0;border-bottom:1px dashed var(--line)}
  .mega-post:last-child{border-bottom:0}
  .mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5}
  .mega-post span{font-size:12px;color:var(--text-3)}
  .mega-post:hover strong{color:var(--track)}
  .mega-card{
    display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;
    transition:box-shadow var(--t), transform var(--t);
  }
  .mega-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
  .mega-card img{width:100%;height:104px;object-fit:cover}
  .mega-card-body{display:block;padding:12px 14px}
  .mega-card-body strong{display:block;font-size:14px;color:var(--ink)}
  .mega-card-body em{font-style:normal;font-size:12px;color:var(--track)}

  .header-cta{flex:0 0 auto}
  .hamburger{
    display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
    align-items:center;justify-content:center;flex-direction:column;gap:4px;flex:0 0 44px;
  }
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t), opacity var(--t)}
  .hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .hamburger.is-open span:nth-child(2){opacity:0}
  .hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  .drawer{
    position:fixed;inset:var(--header-h) 0 0 0;z-index:55;
    background:#fff;padding:24px 20px 40px;overflow-y:auto;
    transform:translateX(100%);transition:transform .28s ease;
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--text-3);margin:18px 0 8px}
  .drawer-link{
    display:block;font-size:17px;font-weight:600;color:var(--ink);
    padding:14px 0;border-bottom:1px solid var(--line);
  }
  .drawer-link:hover{color:var(--track)}
  .drawer-cta{margin-top:24px;width:100%}
  .drawer-scrim{position:fixed;inset:0;background:rgba(7,42,33,.35);z-index:50;opacity:0;pointer-events:none;transition:opacity var(--t)}
  .drawer-scrim.is-open{opacity:1;pointer-events:auto}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;color:#fff;
    background:
      linear-gradient(100deg, rgba(7,42,33,.95) 0%, rgba(11,58,46,.86) 52%, rgba(11,58,46,.68) 100%),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding:64px 0 56px;
  }
  .page-hero::after{
    content:'';position:absolute;right:-60px;top:-40px;width:420px;height:420px;
    background:repeating-linear-gradient(45deg, rgba(200,242,77,.16) 0 6px, transparent 6px 16px);
    opacity:.35;transform:rotate(8deg);pointer-events:none;
  }
  .hero-arc{position:absolute;right:-70px;bottom:-90px;width:360px;height:360px;opacity:.5;pointer-events:none}
  .page-hero .container{position:relative;z-index:2}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
  .breadcrumb a:hover{color:var(--lime)}
  .breadcrumb span.sep{opacity:.5}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    border:1px solid rgba(200,242,77,.45);color:var(--lime);
    background:rgba(200,242,77,.08);
    border-radius:999px;padding:5px 14px;font-size:12px;font-weight:600;letter-spacing:.06em;
    margin-bottom:18px;
  }
  .page-hero h1{
    font-size:clamp(30px,4.2vw,44px);line-height:1.2;font-weight:700;letter-spacing:-.01em;
    max-width:640px;
  }
  .page-hero .hero-sub{
    margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:600px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.6)}

  /* ============ 锚点条 ============ */
  .anchor-bar{
    position:sticky;top:var(--header-h);z-index:45;
    background:rgba(247,245,239,.94);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .anchor-scroll{
    display:flex;gap:10px;overflow-x:auto;padding:14px 0;
    scrollbar-width:none;
  }
  .anchor-scroll::-webkit-scrollbar{display:none}
  .pill{
    flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
    padding:8px 16px;border-radius:999px;border:1px solid var(--line);
    background:#fff;font-size:14px;font-weight:500;color:var(--text-2);
    transition:background-color var(--t), color var(--t), border-color var(--t), transform var(--t);
  }
  .pill:hover{color:var(--ink);border-color:rgba(11,58,46,.35);transform:translateY(-2px)}
  .pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--lime);font-weight:600}

  /* ============ 板块 ============ */
  .section{padding:56px 0}
  @media (min-width:768px){ .section{padding:88px 0} }
  .section-head{max-width:760px;margin-bottom:36px}
  .eyebrow{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--ink);background:rgba(200,242,77,.35);
    padding:5px 12px;border-radius:999px;margin-bottom:16px;
  }
  .section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em}
  .section-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text-2)}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}

  /* ============ 图文交替 ============ */
  .split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
  .split + .split{margin-top:72px}
  .split .split-body{order:1}
  .split .split-media{order:2}
  .split.is-reverse .split-body{order:2}
  .split.is-reverse .split-media{order:1}
  .split-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
  .split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);transition:transform .4s ease}
  .split-media:hover img{transform:scale(1.03)}
  .split-media::after{
    content:'';position:absolute;right:16px;bottom:16px;width:56px;height:56px;border-radius:999px;
    background:var(--lime);opacity:.9;
    clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  }
  .split h2{font-size:clamp(22px,2.3vw,28px);line-height:1.35;font-weight:700;color:var(--ink)}
  .split p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-2);text-align:justify}
  .check-list{margin-top:22px;display:grid;gap:12px}
  .check-list li{position:relative;padding-left:30px;font-size:15px;line-height:1.75;color:var(--text-2)}
  .check-list li::before{
    content:'';position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:999px;
    background:rgba(200,242,77,.5);
  }
  .check-list li::after{
    content:'';position:absolute;left:6px;top:11px;width:6px;height:10px;
    border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
    transform:rotate(40deg);
  }

  /* ============ 规格卡片组 ============ */
  .spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .spec-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-card);
    transition:transform var(--t), box-shadow var(--t), border-color var(--t);
    display:flex;flex-direction:column;
  }
  .spec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,58,46,.18)}
  .spec-card.is-featured{border-top:3px solid var(--lime)}
  .spec-badge{
    align-self:flex-start;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
    background:rgba(200,242,77,.4);color:var(--ink);margin-bottom:10px;
  }
  .spec-card h3{font-size:19px;font-weight:600;color:var(--ink);line-height:1.4}
  .spec-card .spec-desc{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);min-height:48px}
  .spec-rows{margin-top:16px;border-top:1px solid var(--line)}
  .spec-row{
    display:flex;align-items:baseline;justify-content:space-between;gap:12px;
    padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;
  }
  .spec-row:last-child{border-bottom:0}
  .spec-row dt{color:var(--text-3);flex:0 0 auto}
  .spec-row dd{margin:0;color:var(--text);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}

  /* ============ 数据看板 ============ */
  .dark-band{
    position:relative;overflow:hidden;
    background:var(--ink);color:#fff;
    padding:56px 0;
  }
  @media (min-width:768px){ .dark-band{padding:88px 0} }
  .dark-band::before{
    content:'';position:absolute;left:0;right:0;top:0;height:120px;
    background:repeating-linear-gradient(45deg, rgba(200,242,77,.09) 0 5px, transparent 5px 14px);
    pointer-events:none;
  }
  .dark-band .section-title{color:#fff}
  .dark-band .section-sub{color:rgba(255,255,255,.72)}
  .dark-band .eyebrow{background:rgba(200,242,77,.16);color:var(--lime)}
  .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
  .stat-card{
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
    border-radius:var(--r-card);padding:24px;
    transition:transform var(--t), background-color var(--t), border-color var(--t);
  }
  .stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(200,242,77,.4)}
  .stat-num{
    font-size:clamp(34px,3.6vw,48px);font-weight:800;line-height:1.05;
    color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
    display:flex;align-items:baseline;gap:6px;
  }
  .stat-unit{font-size:15px;font-weight:600;color:rgba(200,242,77,.8)}
  .stat-label{margin-top:12px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.6}
  .stat-bar{margin-top:18px;height:4px;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--track))}

  /* ============ 分类卡网格 ============ */
  .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .feature-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px;box-shadow:var(--sh-card);
    transition:transform var(--t), box-shadow var(--t), border-color var(--t);
  }
  .feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,58,46,.18)}
  .feature-icon{
    width:44px;height:44px;border-radius:12px;background:rgba(200,242,77,.35);
    display:grid;place-items:center;margin-bottom:16px;
  }
  .feature-icon svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.8}
  .feature-card h3{font-size:19px;font-weight:600;color:var(--ink);line-height:1.45;transition:color var(--t)}
  .feature-card:hover h3{color:var(--track)}
  .feature-card p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2)}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:12px;max-width:920px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
    border-radius:14px;overflow:hidden;transition:border-color var(--t), box-shadow var(--t);
  }
  .faq-item[open]{border-left-color:var(--lime);box-shadow:var(--sh-card)}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--track)}
  .faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
  .faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--ink);border-radius:2px;transition:transform var(--t)}
  .faq-icon::before{left:0;right:0;top:7px;height:2px}
  .faq-icon::after{top:0;bottom:0;left:7px;width:2px}
  .faq-item[open] .faq-icon::after{transform:scaleY(0)}
  .faq-body{padding:0 22px 20px;border-top:1px solid var(--line);margin-top:0}
  .faq-body p{padding-top:16px;font-size:15px;line-height:1.85;color:var(--text-2);text-align:justify}

  /* ============ 表单 ============ */
  .lead-form{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:32px;box-shadow:var(--sh-card);max-width:860px;margin:0 auto;
  }
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .field{display:flex;flex-direction:column;gap:8px}
  .field.full{grid-column:1 / -1}
  .field label{font-size:14px;font-weight:600;color:var(--ink)}
  .field input,.field select,.field textarea{
    width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:var(--sand);color:var(--text);
    font-size:15px;font-family:inherit;transition:border-color var(--t), box-shadow var(--t), background-color var(--t);
  }
  .field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(200,242,77,.5);
  }
  .field.has-error input,.field.has-error select{border-color:var(--err);background:#fff}
  .field-err{font-size:12px;color:var(--err);margin:0}
  .form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px}
  .form-hint{font-size:13px;color:var(--text-3)}
  .form-success{
    grid-column:1 / -1;display:flex;gap:12px;align-items:flex-start;
    background:rgba(47,158,107,.1);border:1px solid rgba(47,158,107,.35);
    border-radius:var(--r-btn);padding:16px 18px;font-size:14px;line-height:1.7;color:#1f6e4a;
  }
  .form-success strong{color:#17553a}

  /* ============ 页脚前 CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;
    padding:56px 0;
  }
  .cta-band::after{
    content:'';position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:999px;
    border:1px solid rgba(200,242,77,.28);
  }
  .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
  .cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35}
  .cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:640px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ============ 页脚 ============ */
  .site-footer{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-top:1px solid var(--lime)}
  .footer-arc{position:absolute;right:-90px;bottom:-140px;width:380px;height:380px;opacity:.35;pointer-events:none}
  .footer-inner{position:relative;z-index:2;padding:56px 20px 28px}
  @media (min-width:768px){ .footer-inner{padding:72px 32px 28px} }
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
  .footer-brand .logo-mark{background:rgba(255,255,255,.08)}
  .footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:340px}
  .footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
  .footer-links{display:grid;gap:6px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);line-height:2;transition:color var(--t), padding-left var(--t)}
  .footer-links a:hover{color:var(--lime);padding-left:4px}
  .footer-contact{display:grid;gap:10px}
  .footer-contact li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
  .footer-contact strong{display:inline-block;min-width:64px;color:#fff;font-weight:600}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    :root{--header-h:64px}
    .main-nav{display:none}
    .header-cta{display:none}
    .hamburger{display:flex;margin-left:auto}
    .spec-grid{grid-template-columns:repeat(2,1fr)}
    .stat-grid{grid-template-columns:repeat(2,1fr)}
    .feature-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  }
  @media (max-width:899px){
    .split{grid-template-columns:1fr;gap:28px}
    .split + .split{margin-top:48px}
    .split .split-body,.split.is-reverse .split-body{order:1}
    .split .split-media,.split.is-reverse .split-media{order:2}
  }
  @media (max-width:640px){
    body{font-size:15.5px}
    .page-hero{padding:44px 0 40px}
    .hero-actions .btn{width:100%}
    .spec-grid,.stat-grid,.feature-grid,.form-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .lead-form{padding:22px}
    .section-head{margin-bottom:26px}
  }