/* roulang page: index */
:root{
  --c-brand:#10655A;
  --c-brand-strong:#0B443D;
  --c-brand-dark:#082B27;
  --c-brand-soft:#E7F1EE;
  --c-accent:#F2611E;
  --c-accent-strong:#D14E12;
  --c-accent-soft:#FDEDE5;
  --c-lime:#B9D94A;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-text:#16201E;
  --c-text-2:#5C6A66;
  --c-text-3:#93A09B;
  --c-line:#E3E7E2;
  --c-line-strong:#CFD7D2;
  --c-on-dark:#EDF4F1;
  --shadow-1:0 1px 2px rgba(8,43,39,.06),0 8px 24px -12px rgba(8,43,39,.10);
  --shadow-2:0 2px 6px rgba(8,43,39,.08),0 18px 40px -18px rgba(8,43,39,.18);
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --shell-w:240px;
  --wrap:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(16,101,90,.28);outline-offset:2px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--c-surface);}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:0;
  color:var(--c-brand);background:var(--c-brand-soft);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(24px,2.2vw,32px);line-height:1.35;font-weight:600;}
.sec-head p{margin-top:10px;color:var(--c-text-2);font-size:15px;max-width:62ch;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;white-space:nowrap;}
.link-arrow svg{width:16px;height:16px;transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ App Shell ============ */
.app-shell{
  position:fixed;left:0;top:0;bottom:0;width:var(--shell-w);
  background:var(--c-brand-dark);color:var(--c-on-dark);
  display:flex;flex-direction:column;z-index:1040;
  overflow-y:auto;overflow-x:hidden;
}
.app-shell::-webkit-scrollbar{width:6px;}
.app-shell::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:6px;}
.shell__brand{height:72px;display:flex;align-items:center;padding:0 20px;flex:none;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand:hover{color:#fff;}
.brand__mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--c-accent);color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.brand__text{font-size:17px;font-weight:700;letter-spacing:0;}
.shell__nav{padding:12px;display:flex;flex-direction:column;gap:4px;}
.shell__label{font-size:12px;color:rgba(237,244,241,.45);padding:14px 12px 6px;letter-spacing:0;}
.nav-item{
  position:relative;display:flex;align-items:center;
  height:40px;padding:0 12px;border-radius:10px;
  color:rgba(237,244,241,.82);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.is-active{background:rgba(255,255,255,.10);color:#fff;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-accent);
}
.shell__foot{margin-top:auto;padding:20px;border-top:1px solid rgba(255,255,255,.10);}
.shell__contact{font-size:13px;line-height:1.9;color:rgba(237,244,241,.62);margin-top:14px;}
.shell__copy{font-size:12px;color:rgba(237,244,241,.42);margin-top:10px;}

/* ============ Topbar (mobile) ============ */
.topbar{
  display:none;position:fixed;left:0;right:0;top:0;height:60px;z-index:1041;
  background:var(--c-brand-dark);color:#fff;align-items:center;gap:10px;padding:0 16px;
}
.topbar .brand__text{font-size:16px;}
.topbar__spacer{flex:1;}
.hamburger{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:transparent;display:flex;align-items:center;justify-content:center;color:#fff;
}
.hamburger:hover{background:rgba(255,255,255,.12);}
.drawer{background:var(--c-brand-dark);color:var(--c-on-dark);width:min(84vw,320px);border:0;}
.drawer .offcanvas-body{padding:0 12px 24px;}
.drawer .nav-item{height:48px;}

/* ============ Buttons ============ */
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);font-weight:600;font-size:15px;line-height:1;
  padding:14px 26px;border:0;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{background:var(--c-accent);color:#fff;}
.btn-main:hover{background:var(--c-accent-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);}
.btn-line{background:transparent;color:var(--c-brand);border:1.5px solid var(--c-brand);}
.btn-line:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.30);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-block{width:100%;}
.btn-sm{padding:11px 20px;font-size:14px;}

/* ============ Hero ============ */
.main{margin-left:var(--shell-w);padding-bottom:96px;position:relative;}
.hero{position:relative;background:var(--c-brand-dark);color:var(--c-on-dark);overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px);
}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--c-accent);}
.hero__inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  min-height:540px;padding:72px 0 80px;
}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  padding:5px 12px;border-radius:999px;background:rgba(185,217,74,.14);
  border:1px solid rgba(185,217,74,.42);color:var(--c-lime);margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,3.2vw,46px);line-height:1.25;font-weight:700;color:#fff;
  margin-bottom:20px;
}
.hero__sub{font-size:17px;line-height:1.8;color:rgba(237,244,241,.82);max-width:32em;margin-bottom:32px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:36px;}
.hero__stats li{position:relative;padding-right:36px;}
.hero__stats li:last-child{padding-right:0;}
.hero__stats li+li::before{
  content:"";position:absolute;left:-18px;top:8px;bottom:8px;width:1px;background:rgba(255,255,255,.18);
}
.hero__stats strong{
  display:block;font-size:29px;font-weight:700;color:var(--c-lime);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero__stats span{font-size:13px;color:rgba(237,244,241,.68);}
.hero__media{position:relative;}
.hero__media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-lg);}
.hero__float{
  position:absolute;left:-18px;bottom:22px;background:#fff;color:var(--c-text);
  border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--shadow-2);max-width:220px;
}
.hero__float strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.hero__float span{font-size:13px;color:var(--c-text-2);line-height:1.6;}

/* ============ Feature cards ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:28px 24px 24px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.feature-card:hover{border-color:rgba(16,101,90,.28);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.feature-card__num{
  position:absolute;right:22px;top:18px;font-size:40px;font-weight:700;line-height:1;
  color:rgba(16,101,90,.16);font-variant-numeric:tabular-nums;
}
.feature-card__icon{
  width:44px;height:44px;border-radius:var(--r-md);background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);margin-bottom:18px;
}
.feature-card h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--c-text-2);line-height:1.8;margin-bottom:20px;}
.feature-card .link-arrow{margin-top:auto;}
.feature-card--dark{background:var(--c-brand-dark);border-color:var(--c-brand-dark);color:var(--c-on-dark);}
.feature-card--dark:hover{border-color:var(--c-brand-dark);}
.feature-card--dark h3{color:#fff;}
.feature-card--dark p{color:rgba(237,244,241,.76);}
.feature-card--dark .feature-card__num{color:rgba(255,255,255,.18);}
.feature-card--dark .feature-card__icon{background:rgba(185,217,74,.16);color:var(--c-lime);}
.feature-card--dark .link-arrow{color:var(--c-lime);}
.feature-card--dark .link-arrow:hover{color:#fff;}

/* ============ Tabs demo ============ */
.demo__tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--c-line);margin-bottom:36px;}
.demo__tabs .nav-link{
  border:0;border-radius:0;background:transparent;color:var(--c-text-2);
  font-size:16px;font-weight:600;padding:12px 2px;margin-right:36px;position:relative;
}
.demo__tabs .nav-link:hover{color:var(--c-brand);}
.demo__tabs .nav-link.active{color:var(--c-brand);background:transparent;}
.demo__tabs .nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--c-brand);
}
.tab-content>.tab-pane.fade{transition:opacity .2s ease;}
.demo__panel{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;}
.demo__pic img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);}
.demo__points{display:flex;flex-direction:column;gap:20px;}
.demo__points li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;}
.demo__points b{
  width:28px;height:28px;border-radius:9px;background:var(--c-accent-soft);color:var(--c-accent-strong);
  font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:3px;
}
.demo__points h3{font-size:18px;font-weight:600;margin-bottom:4px;}
.demo__points p{font-size:15px;color:var(--c-text-2);line-height:1.8;}

/* ============ News cards ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;color:var(--c-text);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{color:var(--c-text);border-color:rgba(16,101,90,.28);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.news-card__media{
  border-radius:var(--r-sm);overflow:hidden;margin:-8px -8px 18px;background:var(--c-brand-soft);
}
.news-card__media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;
}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.badge{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 10px;border-radius:var(--r-sm);
  background:var(--c-brand-soft);color:var(--c-brand);font-weight:500;
}
.badge--muted{background:#F1F2EF;color:var(--c-text-2);}
.news-card h3{
  font-size:18px;font-weight:600;line-height:1.5;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:15px;color:var(--c-text-2);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--c-text-3);
}
.news-card__more{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:14px;}
.news-card__more svg{width:15px;height:15px;transition:transform .18s ease;}
.news-card:hover .news-card__more svg{transform:translateX(4px);}
.empty-state{
  border:1px dashed var(--c-line-strong);border-radius:var(--r-md);background:var(--c-surface);
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:32px;
}
.empty-state svg{width:48px;height:48px;color:var(--c-text-3);}
.empty-state strong{font-size:16px;font-weight:600;}
.empty-state span{font-size:14px;color:var(--c-text-2);max-width:44ch;}
.empty-state .btn-line{margin-top:10px;}

/* ============ Proof ============ */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.stat{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 20px;
}
.stat strong{
  display:block;font-size:28px;font-weight:700;color:var(--c-brand);
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px;
}
.stat span{font-size:13px;color:var(--c-text-2);}
.reviews{display:flex;flex-direction:column;gap:16px;}
.review{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:20px 22px 20px 26px;
}
.review::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--c-brand);border-radius:0 3px 3px 0;}
.review__head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;flex:none;
}
.review__name{font-size:15px;font-weight:600;}
.review__role{font-size:13px;color:var(--c-text-3);}
.review p{font-size:15px;color:var(--c-text-2);line-height:1.8;margin:0;}
.stars{display:flex;gap:3px;color:var(--c-accent);margin-top:12px;}
.stars svg{width:15px;height:15px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,2.2vw,32px);line-height:1.35;font-weight:600;margin-bottom:14px;}
.faq-aside p{font-size:15px;color:var(--c-text-2);max-width:34ch;margin-bottom:22px;}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md)!important;overflow:hidden;margin-bottom:12px;
}
.accordion-button{
  background:var(--c-surface);color:var(--c-text);font-size:16px;font-weight:600;
  padding:20px 24px;box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:var(--c-brand-soft);color:var(--c-brand);}
.accordion-button::after{
  width:14px;height:14px;flex:none;margin-left:18px;
  background:linear-gradient(currentColor,currentColor) center/14px 2px no-repeat,
             linear-gradient(currentColor,currentColor) center/2px 14px no-repeat;
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{
  background:var(--c-brand-soft);color:var(--c-text-2);
  font-size:15px;line-height:1.8;padding:0 24px 22px;max-width:68ch;
}
.accordion-button:focus{outline:3px solid rgba(16,101,90,.28);outline-offset:-3px;}

/* ============ Consult form ============ */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.consult-grid h2{font-size:clamp(24px,2.2vw,32px);line-height:1.35;font-weight:600;margin-bottom:14px;}
.consult-grid p{font-size:15px;color:var(--c-text-2);max-width:36ch;}
.consult-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.consult-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);align-items:flex-start;}
.consult-list svg{width:18px;height:18px;color:var(--c-brand);flex:none;margin-top:4px;}
.form-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:28px;box-shadow:var(--shadow-1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line-strong);border-radius:10px;
  padding:0 14px;height:48px;background:#fff;color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(16,101,90,.18);
}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-tip{font-size:14px;color:var(--c-brand);}

/* ============ CTA band ============ */
.cta-band{
  background:var(--c-brand-strong);color:var(--c-on-dark);border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2vw,28px);line-height:1.4;font-weight:600;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(237,244,241,.78);}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}

/* ============ Sticky CTA ============ */
.sticky-cta{
  position:fixed;left:var(--shell-w);right:0;bottom:0;height:72px;z-index:1030;
  background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -8px 24px rgba(8,43,39,.08);
  display:flex;align-items:center;
  transition:opacity .25s ease,transform .25s ease;
}
.sticky-cta.is-hidden{opacity:0;transform:translateY(8px);pointer-events:none;}
.sticky-cta__inner{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.sticky-cta__text{font-size:15px;font-weight:600;}
.sticky-cta__actions{display:flex;align-items:center;gap:18px;}

/* ============ Footer ============ */
.site-footer{background:var(--c-brand-dark);color:rgba(237,244,241,.72);margin-left:var(--shell-w);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 32px 40px;
}
.site-footer h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.site-footer a{color:rgba(237,244,241,.72);font-size:14px;line-height:1.9;display:inline-block;transition:color .2s ease;}
.site-footer a:hover{color:#fff;}
.site-footer li{margin-bottom:10px;}
.footer-brand p{font-size:14px;line-height:1.9;max-width:30ch;margin-top:16px;}
.footer-brand .brand{margin-bottom:4px;}
.footer-bar{border-top:1px solid rgba(255,255,255,.10);}
.footer-bar .wrap{
  padding:20px 32px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;
}
.footer-bar nav a{margin-left:18px;font-size:13px;}

/* ============ Responsive ============ */
@media (min-width:1440px){:root{--shell-w:240px;}}
@media (min-width:1200px) and (max-width:1439.98px){:root{--shell-w:220px;}}
@media (min-width:992px) and (max-width:1199.98px){:root{--shell-w:200px;}.hero__inner{gap:32px;}}
@media (max-width:991.98px){
  :root{--shell-w:0px;}
  .app-shell{display:none;}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:60px;padding-bottom:84px;}
  .site-footer{margin-left:0;}
  .sticky-cta{left:0;height:60px;}
  .sticky-cta__text{display:none;}
  .sticky-cta__actions .link-arrow{display:none;}
  .sticky-cta__actions .btn-main{width:auto;min-width:60%;}
  .hero__inner{grid-template-columns:1fr;gap:36px;min-height:0;padding:48px 0 56px;}
  .hero__stats{gap:28px;}
  .hero__media{order:-1;}
  .hero__float{left:12px;bottom:12px;}
  .section{padding:64px 0;}
  .feature-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .demo__panel,.proof-grid,.faq-grid,.consult-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .cta-band__actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 32px 32px;}
  .wrap{padding:0 24px;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .wrap{padding:0 16px;}
  .feature-grid,.news-grid,.stats-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero h1{font-size:30px;}
  .hero__stats{flex-direction:row;gap:22px;}
  .hero__stats li{padding-right:22px;}
  .footer-grid{grid-template-columns:1fr;padding:40px 16px 24px;}
  .footer-bar .wrap{padding:18px 16px;}
  .footer-bar nav a{margin-left:0;margin-right:18px;}
  .demo__tabs .nav-link{margin-right:22px;font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .feature-card:hover,.news-card:hover,.btn-main:hover{transform:none;}
  .news-card:hover .news-card__media img{transform:none;}
}

/* roulang page: article */
:root{
  --shell-w: 0px;
  --c-brand:#10655A;
  --c-brand-strong:#0B443D;
  --c-brand-dark:#082B27;
  --c-brand-soft:#E7F1EE;
  --c-accent:#F2611E;
  --c-accent-strong:#D14E12;
  --c-accent-soft:#FDEDE5;
  --c-lime:#B9D94A;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-text:#16201E;
  --c-text-2:#5C6A66;
  --c-text-3:#93A09B;
  --c-line:#E3E7E2;
  --c-line-strong:#CFD7D2;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(8,43,39,.06), 0 8px 24px -12px rgba(8,43,39,.10);
  --shadow-2:0 2px 6px rgba(8,43,39,.08), 0 18px 40px -18px rgba(8,43,39,.18);
  --ease: 220ms ease;
}
@media (min-width:992px){ :root{ --shell-w: 200px; } }
@media (min-width:1200px){ :root{ --shell-w: 220px; } }
@media (min-width:1440px){ :root{ --shell-w: 240px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--c-brand); text-decoration:none; transition:color var(--ease); }
a:hover{ color:var(--c-accent); }
button{ font-family:inherit; }
h1,h2,h3,h4{ margin:0; color:var(--c-text); letter-spacing:0; }
h1{ font-size:clamp(30px,3.2vw,46px); line-height:1.25; font-weight:700; }
h2{ font-size:clamp(24px,2.2vw,32px); line-height:1.35; font-weight:600; }
h3{ font-size:20px; line-height:1.45; font-weight:600; }
p{ margin:0 0 1em; }
ul,ol{ margin:0; padding:0; list-style:none; }
:focus-visible{ outline:3px solid rgba(16,101,90,.28); outline-offset:2px; border-radius:4px; }

.wrap{ width:100%; max-width:1240px; margin:0 auto; padding:0 32px; }

/* ============ 左侧 App Shell ============ */
.shell{
  position:fixed; top:0; left:0; bottom:0;
  width:var(--shell-w);
  background:var(--c-brand-dark);
  color:#EDF4F1;
  display:flex; flex-direction:column;
  overflow-y:auto;
  z-index:1040;
  padding-bottom:16px;
}
.shell::-webkit-scrollbar{ width:6px; }
.shell::-webkit-scrollbar-thumb{ background:rgba(237,244,241,.18); border-radius:999px; }
.shell__head{
  height:72px; display:flex; align-items:center; padding:0 20px; flex:0 0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; color:#EDF4F1; }
.brand:hover{ color:#fff; }
.brand__mark{
  width:34px; height:34px; flex:0 0 34px; border-radius:10px;
  background:var(--c-accent); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:17px; font-weight:700;
}
.brand__text{ font-size:16px; font-weight:600; letter-spacing:0; white-space:nowrap; }
.shell__nav{ display:flex; flex-direction:column; gap:4px; padding:8px 12px 0; }
.shell__label{
  display:block; padding:16px 8px 6px; font-size:12px; letter-spacing:.08em;
  color:rgba(237,244,241,.45);
}
.nav-item{
  position:relative; display:flex; align-items:center;
  height:40px; padding:0 12px; border-radius:10px;
  font-size:14.5px; color:rgba(237,244,241,.82);
  transition:background var(--ease), color var(--ease);
}
.nav-item:hover{ background:rgba(255,255,255,.06); color:#fff; }
.nav-item.is-active{ background:rgba(255,255,255,.10); color:#fff; font-weight:600; }
.nav-item.is-active::before{
  content:""; position:absolute; left:0; top:9px; bottom:9px; width:3px;
  border-radius:0 3px 3px 0; background:var(--c-accent);
}
.shell__foot{ margin-top:auto; padding:24px 16px 0; }
.shell__contact{
  font-size:12.5px; line-height:1.9; color:rgba(237,244,241,.62);
  margin:14px 0 0;
}
.shell__copy{
  font-size:12px; color:rgba(237,244,241,.34); margin:12px 0 0;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:var(--r-md);
  font-size:15px; font-weight:600; line-height:1;
  border:1.5px solid transparent; cursor:pointer;
  transition:background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.btn--primary{ background:var(--c-accent); color:#fff; }
.btn--primary:hover{ background:var(--c-accent-strong); color:#fff; transform:translateY(-1px); box-shadow:var(--shadow-2); }
.btn--primary:active{ transform:translateY(0); }
.btn--ghost{ border-color:var(--c-brand); color:var(--c-brand); background:transparent; }
.btn--ghost:hover{ background:var(--c-brand-soft); color:var(--c-brand-strong); }
.btn--light{ border-color:rgba(255,255,255,.3); color:#fff; background:transparent; }
.btn--light:hover{ background:rgba(255,255,255,.12); color:#fff; }
.btn--block{ width:100%; }
.btn[disabled]{ opacity:.4; cursor:not-allowed; }
.link-arrow{
  display:inline-flex; align-items:center; gap:6px;
  font-size:14.5px; font-weight:500; color:var(--c-brand);
}
.link-arrow svg{ transition:transform var(--ease); }
.link-arrow:hover{ color:var(--c-accent); }
.link-arrow:hover svg{ transform:translateX(4px); }

/* ============ 移动端顶栏 ============ */
.topbar{ display:none; }
@media (max-width:991.98px){
  .shell{ display:none; }
  .topbar{
    display:flex; align-items:center; gap:12px;
    position:fixed; top:0; left:0; right:0; height:60px;
    padding:0 16px; background:var(--c-brand-dark); z-index:1045;
  }
  .topbar .brand__text{ font-size:15px; }
  .topbar__actions{ margin-left:auto; display:flex; align-items:center; gap:10px; }
  .topbar__cta{
    display:inline-flex; align-items:center; height:38px; padding:0 14px;
    border-radius:10px; background:var(--c-accent); color:#fff;
    font-size:13.5px; font-weight:600;
  }
  .topbar__cta:hover{ background:var(--c-accent-strong); color:#fff; }
  .burger{
    width:40px; height:40px; border-radius:10px; border:1px solid rgba(255,255,255,.24);
    background:transparent; color:#EDF4F1;
    display:flex; align-items:center; justify-content:center;
  }
  .burger:hover{ background:rgba(255,255,255,.1); }
}
.shell-drawer{
  background:var(--c-brand-dark) !important;
  color:#EDF4F1;
  width:min(84vw,320px) !important;
}
.shell-drawer .offcanvas-header{ border-bottom:1px solid rgba(255,255,255,.1); padding:16px 20px; }
.shell-drawer .btn-close{ filter:invert(1) grayscale(1) brightness(2); opacity:.7; }
.shell-drawer .nav-item{ height:48px; font-size:15px; }
.shell-drawer .shell__nav{ padding:12px 16px 0; }
.shell-drawer .shell__label{ padding:18px 8px 8px; }
.offcanvas-backdrop.show{ opacity:1; background:rgba(11,43,41,.55); }

/* ============ 页面主体 ============ */
.page{
  margin-left:var(--shell-w);
  padding-bottom:96px;
  min-height:100vh;
}
@media (max-width:991.98px){
  .page{ margin-left:0; padding-top:60px; padding-bottom:84px; }
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex; align-items:center; flex-wrap:wrap; gap:8px;
  min-height:40px; margin:24px 0 0;
  font-size:14px; color:var(--c-text-3);
}
.crumb a{ color:var(--c-text-3); }
.crumb a:hover{ color:var(--c-brand); text-decoration:underline; }
.crumb .sep{ color:var(--c-line-strong); }
.crumb .current{ color:var(--c-text); }

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  align-items:start;
  margin:24px 0 0;
}
@media (max-width:1199.98px){
  .article-layout{ grid-template-columns:minmax(0,1fr); gap:40px; }
}
.article-head{ margin-bottom:28px; }
.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 10px; border-radius:var(--r-sm);
  font-size:12px; font-weight:500; line-height:1.6;
}
.badge--cat{ background:var(--c-brand-soft); color:var(--c-brand-strong); }
.badge--neutral{ background:#F1F1EC; color:var(--c-text-2); }
.article-head h1{
  margin:16px 0 18px;
  max-width:22ch;
}
@media (max-width:768px){ .article-head h1{ max-width:none; } }
.article-meta{
  display:flex; flex-wrap:wrap; align-items:center; gap:10px 18px;
  font-size:14px; color:var(--c-text-2);
}
.article-meta .dot{ width:4px; height:4px; border-radius:50%; background:var(--c-line-strong); }

.article-cover{
  margin:0 0 36px;
  border-radius:var(--r-lg);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--c-brand-soft);
}
.article-cover img{
  width:100%; height:100%; object-fit:cover;
}

/* ============ 正文排版 ============ */
.prose{
  max-width:820px;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  word-wrap:break-word;
}
.prose > *:first-child{ margin-top:0; }
.prose h2{
  font-size:clamp(22px,2vw,28px);
  line-height:1.35; font-weight:600;
  margin:2.4em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--c-brand);
}
.prose h3{
  font-size:20px; font-weight:600; color:var(--c-brand-strong);
  margin:2em 0 .6em;
}
.prose h4{ font-size:17px; font-weight:600; margin:1.6em 0 .5em; }
.prose p{ margin:0 0 1.1em; }
.prose ul,.prose ol{ margin:0 0 1.3em; padding-left:1.35em; }
.prose ul li{ list-style:disc; margin-bottom:.5em; }
.prose ol li{ list-style:decimal; margin-bottom:.5em; }
.prose li::marker{ color:var(--c-brand); }
.prose blockquote{
  margin:1.6em 0; padding:16px 22px;
  border-left:3px solid var(--c-brand);
  background:var(--c-brand-soft);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-text-2);
  font-size:16px;
}
.prose blockquote p:last-child{ margin-bottom:0; }
.prose img{ margin:1.6em auto; border-radius:var(--r-md); }
.prose figure{ margin:1.8em 0; }
.prose figcaption{
  text-align:center; font-size:13px; color:var(--c-text-3); margin-top:10px;
}
.prose a{ color:var(--c-brand); text-decoration:underline; text-underline-offset:3px; }
.prose a:hover{ color:var(--c-accent); }
.prose strong{ font-weight:600; }
.prose table{
  width:100%; border-collapse:collapse; font-size:15px; margin:1.6em 0;
  border:1px solid var(--c-line); border-radius:var(--r-md); overflow:hidden;
}
.prose th,.prose td{ border:1px solid var(--c-line); padding:10px 14px; text-align:left; }
.prose thead th{ background:var(--c-brand-soft); color:var(--c-brand-strong); font-weight:600; }
.prose tbody tr:nth-child(even){ background:#FBFAF7; }
.prose hr{ border:0; border-top:1px solid var(--c-line); margin:2.4em 0; }

/* ============ 空态 ============ */
.empty-state{
  border:1px dashed var(--c-line-strong);
  border-radius:var(--r-md);
  padding:56px 24px;
  min-height:240px;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  background:var(--c-surface);
}
.empty-state svg{ color:var(--c-text-3); margin-bottom:16px; }
.empty-state h3{ font-size:16px; margin-bottom:8px; }
.empty-state p{ font-size:14px; color:var(--c-text-2); margin:0 0 18px; max-width:46ch; }

/* ============ 文末 ============ */
.article-foot{
  max-width:820px;
  margin-top:48px; padding-top:28px;
  border-top:1px solid var(--c-line);
}
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:24px; }
.article-actions{ display:flex; flex-wrap:wrap; gap:12px; }

/* ============ 侧栏 ============ */
.article-side{ position:sticky; top:24px; }
@media (max-width:1199.98px){ .article-side{ position:static; } }
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card + .side-card{ margin-top:20px; }
.side-card h3{
  font-size:15px; font-weight:600; margin-bottom:14px;
  padding-left:10px; border-left:3px solid var(--c-accent);
  line-height:1.2;
}
.side-list li + li{ margin-top:10px; padding-top:10px; border-top:1px solid var(--c-line); }
.side-list a{
  display:flex; align-items:center; justify-content:space-between; gap:8px;
  font-size:14px; color:var(--c-text-2);
}
.side-list a:hover{ color:var(--c-brand); }
.side-list a svg{ flex:0 0 auto; color:var(--c-text-3); transition:transform var(--ease), color var(--ease); }
.side-list a:hover svg{ transform:translateX(3px); color:var(--c-accent); }
.side-note{ font-size:13.5px; line-height:1.8; color:var(--c-text-2); margin:0; }

/* ============ 卡片 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:991.98px){ .card-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; } }
@media (max-width:640px){ .card-grid{ grid-template-columns:minmax(0,1fr); } }
.card{
  display:flex; flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(16,101,90,.28);
}
.card__media{ aspect-ratio:16/9; overflow:hidden; background:var(--c-brand-soft); }
.card__media img{ width:100%; height:100%; object-fit:cover; transition:transform 400ms ease; }
.card:hover .card__media img{ transform:scale(1.03); }
.card__body{ padding:24px; display:flex; flex-direction:column; flex:1 1 auto; }
.card__body .badge{ align-self:flex-start; margin-bottom:12px; }
.card__body h3{
  font-size:18px; line-height:1.5; margin-bottom:10px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.card__body p{
  font-size:14.5px; line-height:1.75; color:var(--c-text-2);
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
  margin-bottom:16px;
}
.card__foot{
  margin-top:auto; display:flex; align-items:center; justify-content:space-between; gap:12px;
  font-size:13px; color:var(--c-text-3);
}

/* ============ 板块 ============ */
.section{ padding:72px 0 0; }
@media (max-width:767.98px){ .section{ padding:48px 0 0; } }
.section__head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:24px;
  margin-bottom:28px;
}
.section__head p{ margin:8px 0 0; color:var(--c-text-2); font-size:15px; }
@media (max-width:640px){
  .section__head{ flex-direction:column; align-items:flex-start; gap:12px; }
}

/* ============ CTA 区块 ============ */
.cta-band{
  margin-top:72px;
  background:var(--c-brand-dark);
  color:#EDF4F1;
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:linear-gradient(115deg, rgba(255,255,255,.06) 0 1px, transparent 1px 100%);
  background-size:26px 26px;
  opacity:.5;
}
.cta-band > *{ position:relative; z-index:1; }
.cta-band h2{ color:#fff; margin-bottom:12px; }
.cta-band p{ color:rgba(237,244,241,.78); margin:0; max-width:52ch; }
.cta-band__actions{ display:flex; flex-wrap:wrap; gap:12px; }
@media (max-width:860px){
  .cta-band{ grid-template-columns:minmax(0,1fr); padding:32px 24px; gap:24px; }
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--c-brand-dark);
  color:#EDF4F1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-top:64px;
  padding-bottom:40px;
}
.site-footer h3{
  font-size:15px; color:#fff; margin-bottom:16px; font-weight:600;
}
.site-footer p{ font-size:14px; line-height:1.9; color:rgba(237,244,241,.68); margin:14px 0 0; }
.site-footer ul li{ font-size:14px; line-height:1.9; }
.site-footer ul li + li{ margin-top:6px; }
.site-footer ul a{ color:rgba(237,244,241,.68); font-size:14px; }
.site-footer ul a:hover{ color:#fff; }
.footer-brand .brand__text{ color:#fff; }
.footer-bar{ border-top:1px solid rgba(255,255,255,.1); }
.footer-bar .wrap{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px;
  padding-top:20px; padding-bottom:20px;
  font-size:13px; color:rgba(237,244,241,.55);
}
.footer-bar nav{ display:flex; flex-wrap:wrap; gap:18px; }
.footer-bar nav a{ color:rgba(237,244,241,.55); font-size:13px; }
.footer-bar nav a:hover{ color:#fff; }
@media (max-width:991.98px){
  .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:40px; }
}
@media (max-width:600px){
  .footer-grid{ grid-template-columns:minmax(0,1fr); }
}

/* ============ 底部固定转化条 ============ */
.subcta{
  position:fixed; left:var(--shell-w); right:0; bottom:0; height:72px;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px rgba(8,43,39,.08);
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:0 32px; z-index:1035;
  transition:opacity var(--ease), transform var(--ease);
}
.subcta.is-hidden{ opacity:0; transform:translateY(8px); pointer-events:none; }
.subcta__text{ font-size:14.5px; color:var(--c-text); font-weight:500; }
.subcta__actions{ display:flex; align-items:center; gap:18px; }
.subcta__icon{ display:none; }
@media (max-width:991.98px){
  .subcta{ left:0; height:60px; padding:0 16px; }
  .subcta__text{ display:none; }
  .subcta__actions{ width:100%; gap:12px; }
  .subcta__actions .btn--primary{ flex:1 1 auto; min-width:60%; padding:12px 18px; font-size:14.5px; }
  .subcta__actions .link-arrow{ display:none; }
  .subcta__icon{
    display:inline-flex; align-items:center; justify-content:center;
    width:44px; height:44px; flex:0 0 44px;
    border:1px solid var(--c-line); border-radius:var(--r-md);
    color:var(--c-brand); background:transparent;
  }
  .subcta__icon:hover{ background:var(--c-brand-soft); color:var(--c-brand-strong); }
}

@media (max-width:640px){
  .wrap{ padding:0 16px; }
  .article-cover{ border-radius:var(--r-md); }
  .article-head h1{ font-size:clamp(26px,7vw,32px); }
  .prose{ font-size:16px; }
  .card__body{ padding:18px; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
  .card:hover{ transform:none; }
  .card:hover .card__media img{ transform:none; }
  .btn:hover{ transform:none; }
}

/* roulang page: category1 */
:root{
  --c-brand:#10655A;
  --c-brand-strong:#0B443D;
  --c-brand-dark:#082B27;
  --c-brand-soft:#E7F1EE;
  --c-accent:#F2611E;
  --c-accent-strong:#D14E12;
  --c-accent-soft:#FDEDE5;
  --c-lime:#B9D94A;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-text:#16201E;
  --c-text-2:#5C6A66;
  --c-text-3:#93A09B;
  --c-line:#E3E7E2;
  --c-line-strong:#CFD7D2;
  --shell-w:240px;
  --r-s:6px;
  --r-m:12px;
  --r-l:20px;
  --shadow-1:0 1px 2px rgba(8,43,39,.06),0 8px 24px -12px rgba(8,43,39,.10);
  --shadow-2:0 2px 6px rgba(8,43,39,.08),0 18px 40px -18px rgba(8,43,39,.18);
  --t:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:0}
h1{font-size:clamp(30px,3.2vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(24px,2.2vw,32px);line-height:1.35}
h3{font-size:20px;line-height:1.45}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
input,button,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(16,101,90,.28);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  img{transform:none!important}
}

/* ============ 布局骨架：左侧 App Shell ============ */
.shell{
  position:fixed;left:0;top:0;bottom:0;width:var(--shell-w);
  background:var(--c-brand-dark);color:#EDF4F1;
  display:flex;flex-direction:column;
  padding:0 14px 20px;overflow-y:auto;z-index:1030;
}
.shell::-webkit-scrollbar{width:6px}
.shell::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px}
.shell__brand{height:72px;display:flex;align-items:center;padding:0 8px;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand__mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:var(--c-accent);color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.brand__text{font-size:16px;font-weight:600;color:#fff;white-space:nowrap;letter-spacing:0}
.shell__nav{display:flex;flex-direction:column;gap:2px;margin-top:14px;flex:1 1 auto}
.shell__label{
  font-size:12px;color:rgba(237,244,241,.46);padding:14px 10px 6px;letter-spacing:0;
}
.nav-item{
  display:flex;align-items:center;height:40px;padding:0 12px;border-radius:10px;
  color:rgba(237,244,241,.82);font-size:15px;position:relative;
  transition:background-color var(--t),color var(--t);
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.is-active{background:rgba(255,255,255,.10);color:#fff;font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:999px;background:var(--c-accent);
}
.shell__foot{flex:0 0 auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);margin-top:16px}
.shell__contact{display:block;font-size:13px;color:rgba(237,244,241,.66);padding:5px 4px}
.shell__contact:hover{color:#fff}
.shell__copy{font-size:12px;color:rgba(237,244,241,.42);margin:12px 0 0;padding:0 4px}

.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1040;
  background:var(--c-brand-dark);color:#fff;align-items:center;
  padding:0 14px;gap:12px;
}
.topbar .brand__text{font-size:15px}
.topbar__spacer{flex:1 1 auto}
.topbar__btn{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;
}
.topbar__btn:hover{background:rgba(255,255,255,.12)}
.topbar__cta{
  height:40px;padding:0 16px;border-radius:10px;background:var(--c-accent);color:#fff;
  font-size:14px;font-weight:600;display:inline-flex;align-items:center;
}
.topbar__cta:hover{background:var(--c-accent-strong);color:#fff}

.drawer{background:var(--c-brand-dark);color:#EDF4F1;width:min(84vw,320px)}
.drawer .offcanvas-header{padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.10)}
.drawer .offcanvas-body{padding:14px 16px 28px;display:flex;flex-direction:column}
.drawer .nav-item{height:48px;font-size:16px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.drawer__foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.10)}
.drawer__foot .shell__contact{font-size:14px}

.main{margin-left:var(--shell-w);min-height:100vh;padding-bottom:96px}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:auto;padding:14px 26px;border-radius:var(--r-m);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand-soft);color:var(--c-brand-strong)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.30);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--c-brand);position:relative;
}
.link-more svg{transition:transform var(--t)}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--c-accent);transition:width 180ms ease;
}
.link-more:hover{color:var(--c-accent)}
.link-more:hover svg{transform:translateX(4px)}
.link-more:hover::after{width:100%}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;gap:8px;height:40px;font-size:14px;
  color:var(--c-text-3);margin-top:24px;flex-wrap:wrap;
}
.crumbs a{color:var(--c-text-3)}
.crumbs a:hover{color:var(--c-brand);text-decoration:underline}
.crumbs span.sep{color:var(--c-line-strong)}
.crumbs__current{color:var(--c-text)}

/* ============ 分类页横幅 ============ */
.page-hero{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  min-height:300px;display:flex;align-items:flex-end;
  padding:44px 48px;background:var(--c-brand-dark);margin-top:16px;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.page-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,43,39,.90) 0%,rgba(11,68,61,.62) 52%,rgba(16,101,90,.42) 100%);
}
.page-hero__inner{position:relative;z-index:2;max-width:760px}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-s);
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(255,255,255,.16);color:#EDF4F1;border:1px solid rgba(255,255,255,.24);
}
.page-hero h1{color:#fff;margin:16px 0 14px}
.page-hero__lead{color:rgba(237,244,241,.88);font-size:16px;line-height:1.85;margin:0;max-width:64ch}
.page-hero__bar{position:absolute;left:0;right:0;bottom:0;height:7px;background:var(--c-accent);z-index:3}

/* ============ 区块通用 ============ */
.section{padding:88px 0 0}
.section--last{padding-bottom:88px}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section__eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-accent);
  letter-spacing:0;margin-bottom:10px;
}
.section__head p{color:var(--c-text-2);font-size:15px;margin:10px 0 0;max-width:62ch}

/* ============ 交替图文行 ============ */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.media-row + .media-row{margin-top:72px}
.media-row.is-reverse .media-row__media{order:2}
.media-row.is-reverse .media-row__body{order:1}
.media-row__media{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-1)}
.media-row__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-l);transition:transform 400ms ease}
.media-row__media:hover img{transform:scale(1.03)}
.media-row__body h2{margin-bottom:16px}
.media-row__body p{color:var(--c-text-2);font-size:16px;line-height:1.85}
.points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.points li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-text);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:12px 16px;
}
.points li svg{flex:0 0 18px;margin-top:4px;color:var(--c-brand)}
.points li strong{font-weight:600}

/* ============ 数据条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;margin-top:64px;
}
.metrics__item{background:var(--c-surface);padding:26px 22px}
.metrics__num{
  font-size:30px;font-weight:700;color:var(--c-brand);line-height:1.2;
  font-variant-numeric:tabular-nums;font-family:"Inter",system-ui,-apple-system,sans-serif;
}
.metrics__num em{font-style:normal;font-size:16px;font-weight:600;margin-left:2px;color:var(--c-text-2)}
.metrics__label{font-size:13px;color:var(--c-text-2);margin-top:6px}

/* ============ 内容卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(16,101,90,.28)}
.info-card__media{display:block;overflow:hidden;background:var(--c-brand-soft)}
.info-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms ease}
.info-card:hover .info-card__media img{transform:scale(1.03)}
.info-card__body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto}
.chip{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-s);
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--c-brand-soft);color:var(--c-brand-strong);
}
.chip--muted{background:#F1F0EC;color:var(--c-text-2)}
.info-card h3{font-size:18px;margin:14px 0 10px;line-height:1.5}
.info-card h3 a{color:var(--c-text)}
.info-card h3 a:hover{color:var(--c-brand)}
.info-card__desc{font-size:14px;color:var(--c-text-2);line-height:1.8;margin:0 0 18px}
.info-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--c-line);
}
.info-card__foot time{font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-head{max-width:62ch}
.faq .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-m);background:var(--c-surface);
  overflow:hidden;margin-bottom:12px;
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  background:var(--c-surface);color:var(--c-text);font-size:16px;font-weight:600;
  padding:20px 24px;box-shadow:none;border-radius:var(--r-m);gap:16px;
}
.faq .accordion-button:not(.collapsed){background:var(--c-brand-soft);color:var(--c-brand-strong)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(16,101,90,.20);border-color:transparent}
.faq .accordion-button::after{
  content:"";width:14px;height:14px;flex:0 0 14px;margin-left:auto;
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
  background-size:14px 2px,2px 14px;
  background-position:center,center;
  background-repeat:no-repeat;
  transform:rotate(0deg);transition:transform 200ms ease;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(90deg)}
.faq .accordion-body{
  padding:18px 24px 24px;font-size:15px;line-height:1.8;color:var(--c-text-2);
  background:rgba(16,101,90,.04);max-width:68ch;
}

/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field--full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:600;color:var(--c-text)}
.form-field input,.form-field select,.form-field textarea{
  height:48px;padding:0 14px;border:1px solid var(--c-line-strong);border-radius:10px;
  background:#fff;font-size:15px;line-height:48px;transition:border-color var(--t),box-shadow var(--t);
}
.form-field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--c-text-3)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(16,101,90,.16);
}
.form-hint{font-size:13px;color:var(--c-text-3)}

/* ============ CTA 区块 ============ */
.cta-panel{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;
  background:var(--c-brand-dark);border-radius:var(--r-l);padding:48px;position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(185,217,74,.16),transparent 70%);
}
.cta-panel__body{position:relative;z-index:2;color:#EDF4F1}
.cta-panel__body h2{color:#fff;margin-bottom:16px}
.cta-panel__body p{color:rgba(237,244,241,.80);font-size:15px;line-height:1.85}
.cta-panel__list{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-panel__list li{display:flex;gap:10px;align-items:center;font-size:14px;color:rgba(237,244,241,.86)}
.cta-panel__list svg{color:var(--c-lime);flex:0 0 16px}
.cta-form{position:relative;z-index:2;background:#fff;border-radius:var(--r-l);padding:28px}
.cta-form .form-field label{color:var(--c-text)}
.cta-form__actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-dark);color:#EDF4F1;margin-top:88px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-top:64px;padding-bottom:40px;
}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(237,244,241,.72);margin-top:14px;max-width:34ch}
.site-footer ul li{margin-bottom:8px}
.site-footer ul a,.site-footer ul li{font-size:14px;line-height:1.9;color:rgba(237,244,241,.72)}
.site-footer ul a:hover{color:#fff}
.site-footer .brand__text{color:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.10)}
.footer-bar .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:20px;
}
.footer-bar span{font-size:13px;color:rgba(237,244,241,.56)}
.footer-bar nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bar nav a{font-size:13px;color:rgba(237,244,241,.66)}
.footer-bar nav a:hover{color:#fff}

/* ============ 底部固定转化条 ============ */
.dock{
  position:fixed;left:var(--shell-w);right:0;bottom:0;height:72px;z-index:1020;
  background:#fff;border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px rgba(8,43,39,.08);
  transition:opacity 240ms ease,transform 240ms ease;
}
.dock.is-hidden{opacity:0;transform:translateY(8px);pointer-events:none}
.dock__inner{
  max-width:1240px;margin:0 auto;padding:0 32px;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.dock__text{font-size:15px;color:var(--c-text);font-weight:500}
.dock__text strong{color:var(--c-brand);font-weight:600}
.dock__actions{display:flex;align-items:center;gap:20px}
.dock__icon{display:none}

/* ============ 响应式 ============ */
@media (min-width:1440px){:root{--shell-w:240px}}
@media (min-width:1200px) and (max-width:1439.98px){:root{--shell-w:220px}}
@media (min-width:992px) and (max-width:1199.98px){:root{--shell-w:200px}}

@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .shell{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:60px;padding-bottom:84px}
  .wrap{padding:0 16px}
  .dock{left:0;height:60px}
  .dock__inner{padding:0 16px;gap:12px}
  .dock__text{display:none}
  .dock__actions{width:100%;justify-content:space-between;gap:12px}
  .dock__actions .btn-primary{flex:1 1 auto;min-width:60%;padding:12px 18px}
  .dock__icon{
    display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
    border:1px solid var(--c-line-strong);border-radius:var(--r-m);background:#fff;color:var(--c-brand);
  }
  .dock__icon:hover{background:var(--c-brand-soft)}
  .page-hero{min-height:260px;padding:32px 26px;margin-top:12px}
  .page-hero__lead{font-size:15px}
  .section{padding:64px 0 0}
  .section--last{padding-bottom:64px}
  .media-row{grid-template-columns:1fr;gap:28px}
  .media-row + .media-row{margin-top:56px}
  .media-row.is-reverse .media-row__media{order:0}
  .media-row.is-reverse .media-row__body{order:1}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-top:48px}
  .site-footer{margin-top:64px}
}
@media (max-width:767.98px){
  h1{font-size:clamp(26px,6vw,32px)}
  .card-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:48px 0 0}
  .section--last{padding-bottom:48px}
  .section__head{margin-bottom:26px}
  .info-card__body{padding:20px}
  .faq .accordion-button{padding:16px 18px;font-size:15px}
  .faq .accordion-body{padding:16px 18px 20px}
  .cta-form{padding:20px}
  .page-hero{padding:26px 20px}
  .points li{font-size:14px;padding:11px 14px}
}
@media (max-width:479.98px){
  .metrics{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .topbar__cta{padding:0 12px;font-size:13px}
}

/* roulang page: category2 */
:root{
  --c-brand:#10655A;
  --c-brand-strong:#0B443D;
  --c-brand-dark:#082B27;
  --c-brand-soft:#E7F1EE;
  --c-accent:#F2611E;
  --c-accent-strong:#D14E12;
  --c-accent-soft:#FDEDE5;
  --c-lime:#B9D94A;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-text:#16201E;
  --c-text-2:#5C6A66;
  --c-text-3:#93A09B;
  --c-line:#E3E7E2;
  --c-line-strong:#CFD7D2;
  --c-on-dark:#EDF4F1;
  --shell-w:240px;
  --r-s:6px;
  --r-m:12px;
  --r-l:20px;
  --shadow-1:0 1px 2px rgba(8,43,39,.06),0 8px 24px -12px rgba(8,43,39,.10);
  --shadow-2:0 2px 6px rgba(8,43,39,.08),0 18px 40px -18px rgba(8,43,39,.18);
  --ease:180ms ease;
  --font-base:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"PingFang SC",sans-serif;
}
@media (max-width:1439px){:root{--shell-w:220px}}
@media (max-width:1199px){:root{--shell-w:200px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:0}
h1{font-size:clamp(30px,3.2vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(24px,2.2vw,32px);line-height:1.35;font-weight:600}
h3{font-size:20px;line-height:1.45;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(16,101,90,.28);outline-offset:2px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 布局骨架：左侧 App Shell ============ */
.shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell-w);
  background:var(--c-brand-dark);color:var(--c-on-dark);
  overflow-y:auto;z-index:1040;display:flex;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.06);
}
.shell::-webkit-scrollbar{width:6px}
.shell::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:3px}
.shell__brand{height:72px;display:flex;align-items:center;padding:0 20px;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;flex:0 0 auto;
}
.brand__text{font-size:16px;font-weight:600;color:var(--c-on-dark);letter-spacing:0}
.shell__nav{display:flex;flex-direction:column;gap:4px;padding:0 14px 8px}
.shell__label{font-size:12px;color:rgba(237,244,241,.45);padding:16px 12px 6px}
.nav-item{
  display:flex;align-items:center;height:40px;padding:0 12px 0 14px;border-radius:10px;
  color:rgba(237,244,241,.82);font-size:15px;position:relative;
  transition:background var(--ease),color var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.is-active{background:rgba(255,255,255,.10);color:#fff;font-weight:500}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--c-accent);
}
.shell__foot{margin-top:auto;padding:20px 20px 24px;border-top:1px solid rgba(255,255,255,.08)}
.shell__contact{font-size:13px;color:rgba(237,244,241,.66);margin:14px 0 0}
.shell__contact a{color:var(--c-on-dark)}
.shell__contact a:hover{color:var(--c-lime)}
.shell__copy{font-size:12px;color:rgba(237,244,241,.42);margin:8px 0 0}

.main{margin-left:var(--shell-w);min-height:100vh;padding-bottom:96px;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.main > main{flex:1 1 auto;padding-top:24px}

/* ============ 顶部移动栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1050;
  background:var(--c-brand-dark);align-items:center;justify-content:space-between;
  padding:0 16px;border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar .brand__text{font-size:15px}
.topbar__actions{display:flex;align-items:center;gap:10px}
.burger{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.20);
  background:rgba(255,255,255,.04);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:background var(--ease)
}
.burger:hover{background:rgba(255,255,255,.12)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}
.drawer{background:var(--c-brand-dark);color:var(--c-on-dark);width:min(84vw,320px);border-right:0}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 20px}
.drawer .offcanvas-body{padding:16px 0 24px;display:flex;flex-direction:column}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.drawer .nav-item{height:48px;font-size:16px}
.drawer .shell__foot{margin-top:auto}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-m);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-accent:hover{background:var(--c-accent-strong);border-color:var(--c-accent-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand-soft);color:var(--c-brand-strong);border-color:var(--c-brand-strong)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.30);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--c-brand);
  position:relative;text-decoration:none;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--c-brand);
  transition:width var(--ease);
}
.link-arrow:hover::after{width:100%}
.link-arrow svg{transition:transform var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ 通用区块与标题 ============ */
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--dark{background:var(--c-brand-dark);color:var(--c-on-dark)}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{margin-bottom:40px;max-width:760px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  color:var(--c-brand);background:var(--c-brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(255,255,255,.10);color:var(--c-lime)}
.section-head p{color:var(--c-text-2);font-size:16px;margin:14px 0 0}
.section--dark .section-head p{color:rgba(237,244,241,.74)}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;height:40px;font-size:14px;color:var(--c-text-3)}
.crumb a{color:var(--c-text-3)}
.crumb a:hover{color:var(--c-brand);text-decoration:underline}
.crumb span.sep{color:var(--c-line-strong)}
.crumb .current{color:var(--c-text)}

/* ============ 横幅 ============ */
.banner{
  position:relative;border-radius:var(--r-l);overflow:hidden;min-height:300px;
  display:flex;align-items:flex-end;background:var(--c-brand-dark);box-shadow:var(--shadow-1);
}
.banner__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.banner__overlay{
  position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(8,43,39,.92) 0%,rgba(8,43,39,.62) 52%,rgba(16,101,90,.34) 100%);
}
.banner__body{position:relative;padding:48px 40px 44px;color:#fff;max-width:760px}
.banner__body h1{color:#fff}
.banner__body p{margin:16px 0 0;color:rgba(237,244,241,.86);font-size:17px;max-width:620px}
.banner__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.20);
}

/* ============ 导语 + 速览 ============ */
.intro-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;align-items:start}
.intro-text{font-size:17px;line-height:1.85;color:var(--c-text-2)}
.intro-text strong{color:var(--c-text);font-weight:600}
.facts{display:grid;grid-template-columns:1fr;gap:12px}
.fact{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:20px 24px;display:flex;align-items:center;gap:18px;box-shadow:var(--shadow-1);
}
.fact__num{font-size:30px;font-weight:600;color:var(--c-brand);min-width:96px}
.fact__label{font-size:14px;color:var(--c-text-2);line-height:1.7}
.fact--accent .fact__num{color:var(--c-accent)}

/* ============ 时间线 / 编号步骤 ============ */
.timeline{position:relative;padding-left:64px}
.timeline::before{
  content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-brand) 0%,var(--c-line-strong) 100%);
}
.tl-step{position:relative;padding-bottom:40px}
.tl-step:last-child{padding-bottom:0}
.tl-step__dot{
  position:absolute;left:-64px;top:0;width:38px;height:38px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand);border:1px solid rgba(16,101,90,.22);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;font-family:var(--font-num);
}
.tl-step__card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:24px 28px;box-shadow:var(--shadow-1);transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.tl-step__card:hover{border-color:rgba(16,101,90,.28);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.tl-step__card h3{margin-bottom:10px}
.tl-step__card p{color:var(--c-text-2);font-size:15px;margin:0 0 14px}
.tl-step__card p:last-child{margin-bottom:0}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
  display:inline-flex;align-items:center;font-size:12px;padding:4px 10px;border-radius:var(--r-s);
  background:var(--c-brand-soft);color:var(--c-brand);font-weight:500;
}
.chip--neutral{background:#F1F2EF;color:var(--c-text-2);font-weight:400}
.tl-step__figure{margin-top:16px;border-radius:var(--r-m);overflow:hidden;aspect-ratio:16/9;background:var(--c-brand-soft)}
.tl-step__figure img{width:100%;height:100%;object-fit:cover}

/* ============ 卡片网格 ============ */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.card:hover{border-color:rgba(16,101,90,.28);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.card__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-brand-soft)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto}
.card__body h3{font-size:19px;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body p{
  color:var(--c-text-2);font-size:15px;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:4px}
.card__time{font-size:13px;color:var(--c-text-3)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-aside p{color:var(--c-text-2);font-size:15px;margin:16px 0 24px}
.faq-contact{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:20px 24px;box-shadow:var(--shadow-1);
}
.faq-contact dt{font-size:13px;color:var(--c-text-3);margin-bottom:4px}
.faq-contact dd{margin:0 0 14px;font-size:16px;font-weight:600;color:var(--c-brand)}
.faq-contact dd:last-child{margin-bottom:0}
.faq .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-m);background:var(--c-surface);
  margin-bottom:12px;overflow:hidden;
}
.faq .accordion-button{
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-text);background:var(--c-surface);
  box-shadow:none;border:0;gap:16px;
}
.faq .accordion-button:not(.collapsed){color:var(--c-brand);background:rgba(16,101,90,.04)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(16,101,90,.18)}
.faq .accordion-button::after{
  content:"+";background-image:none;width:24px;height:24px;font-size:22px;line-height:1;font-weight:400;
  color:var(--c-brand);display:flex;align-items:center;justify-content:center;transition:transform var(--ease);
  margin-left:auto;flex:0 0 auto;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq .accordion-body{padding:6px 24px 22px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:68ch}
.faq .accordion-body p:last-child{margin-bottom:0}

/* ============ CTA + 表单 ============ */
.cta{background:var(--c-brand-dark);color:var(--c-on-dark);border-radius:var(--r-l);overflow:hidden;position:relative}
.cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
}
.cta__grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;padding:56px;z-index:1}
.cta h2{color:#fff;margin-bottom:16px}
.cta p{color:rgba(237,244,241,.8);font-size:16px;max-width:520px}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(237,244,241,.9)}
.cta-points svg{flex:0 0 auto;margin-top:5px;color:var(--c-lime)}
.form-panel{background:#fff;border-radius:var(--r-m);padding:28px;color:var(--c-text);box-shadow:var(--shadow-2)}
.form-panel h3{margin-bottom:6px;font-size:19px}
.form-panel .form-note{font-size:13px;color:var(--c-text-3);margin:0 0 20px}
.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(--c-text)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--c-text);background:#fff;
  border:1px solid var(--c-line-strong);border-radius:10px;padding:0 14px;height:48px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(16,101,90,.18);
}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-tip{font-size:13px;color:var(--c-text-2)}
.form-msg{margin-top:14px;font-size:14px;color:var(--c-brand);display:none}
.form-msg.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-dark);color:rgba(237,244,241,.78);margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-top:64px;padding-bottom:40px}
.footer-grid h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-grid p{font-size:14px;line-height:1.9;margin:18px 0 0;max-width:320px;color:rgba(237,244,241,.66)}
.footer-grid li{font-size:14px;line-height:1.9;margin-bottom:10px}
.footer-grid a{color:rgba(237,244,241,.78)}
.footer-grid a:hover{color:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.08);padding:20px 0}
.footer-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-bar span{font-size:13px;color:rgba(237,244,241,.55)}
.footer-bar nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bar nav a{font-size:13px;color:rgba(237,244,241,.55)}
.footer-bar nav a:hover{color:#fff}

/* ============ 底部固定转化条 ============ */
.stickybar{
  position:fixed;left:var(--shell-w);right:0;bottom:0;height:72px;background:#fff;
  border-top:1px solid var(--c-line);box-shadow:0 -8px 24px rgba(8,43,39,.08);
  z-index:1030;transition:opacity 240ms ease,transform 240ms ease;
}
.stickybar.is-hidden{opacity:0;transform:translateY(8px);pointer-events:none}
.stickybar__inner{
  max-width:1240px;margin:0 auto;padding:0 32px;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.stickybar__text{font-size:15px;color:var(--c-text);font-weight:500}
.stickybar__text em{font-style:normal;color:var(--c-accent);font-weight:600}
.stickybar__actions{display:flex;align-items:center;gap:20px}
.stickybar__icon{
  display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--c-brand);
  align-items:center;justify-content:center;color:var(--c-brand);background:transparent;
}
.stickybar__icon:hover{background:var(--c-brand-soft);color:var(--c-brand-strong)}

/* ============ 工具类 ============ */
.mt-0{margin-top:0}
.text-accent{color:var(--c-accent)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card:hover,.tl-step__card:hover{transform:none}
  .card:hover .card__media img{transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .cta__grid{grid-template-columns:1fr;gap:36px;padding:40px}
}
@media (max-width:991px){
  .shell{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:60px;padding-bottom:84px}
  .wrap{padding:0 16px}
  .section{padding:64px 0}
  .cards{grid-template-columns:repeat(2,1fr)}
  .banner__body{padding:40px 28px 36px}
  .stickybar{left:0;height:60px}
  .stickybar__inner{padding:0 16px}
  .stickybar__text{display:none}
  .stickybar__actions{width:100%;justify-content:space-between}
  .stickybar__actions .btn-accent{flex:1 1 auto;min-width:60%}
  .stickybar__icon{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;padding-top:48px}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:clamp(28px,7vw,32px)}
  h2{font-size:24px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .section-head{margin-bottom:28px}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:16px}
  .banner{min-height:260px;border-radius:16px}
  .banner__body{padding:32px 20px 28px}
  .banner__body p{font-size:16px}
  .facts{gap:10px}
  .fact{padding:16px 18px;gap:14px}
  .fact__num{font-size:24px;min-width:80px}
  .timeline{padding-left:52px}
  .timeline::before{left:15px}
  .tl-step__dot{left:-52px;width:32px;height:32px;font-size:13px}
  .tl-step__card{padding:20px}
  .cards{grid-template-columns:1fr}
  .card__body{padding:20px}
  .intro-text{font-size:16px}
  .form-grid{grid-template-columns:1fr}
  .cta__grid{padding:28px 20px}
  .form-panel{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:40px;padding-bottom:32px}
  .footer-grid p{max-width:none}
  .site-footer{margin-top:56px}
  .footer-bar .wrap{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:480px){
  .banner__tags{gap:8px}
  .btn{padding:12px 20px}
}

/* roulang page: category3 */
:root{
  --shell-w:240px;
  --pad:32px;
  --c-brand:#10655A;
  --c-brand-strong:#0B443D;
  --c-brand-dark:#082B27;
  --c-brand-soft:#E7F1EE;
  --c-accent:#F2611E;
  --c-accent-strong:#D14E12;
  --c-accent-soft:#FDEDE5;
  --c-lime:#B9D94A;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-text:#16201E;
  --c-text-2:#5C6A66;
  --c-text-3:#93A09B;
  --c-line:#E3E7E2;
  --c-line-strong:#CFD7D2;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(8,43,39,.06),0 8px 24px -12px rgba(8,43,39,.10);
  --shadow-2:0 2px 6px rgba(8,43,39,.08),0 18px 40px -18px rgba(8,43,39,.18);
}
@media (min-width:1200px) and (max-width:1439px){:root{--shell-w:220px}}
@media (min-width:992px) and (max-width:1199px){:root{--shell-w:200px}}
@media (max-width:767.98px){:root{--pad:16px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--c-text);letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(16,101,90,.28);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}

/* ============ App Shell 侧栏 ============ */
.shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell-w);
  background:var(--c-brand-dark);
  color:#EDF4F1;
  display:flex;
  flex-direction:column;
  padding:0 16px 24px;
  overflow-y:auto;
  z-index:1045;
}
.shell::-webkit-scrollbar{width:6px}
.shell::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px}
.shell__head{height:72px;display:flex;align-items:center;flex:none}
.brand{display:inline-flex;align-items:center;gap:10px;color:#EDF4F1;font-weight:600;font-size:16px}
.brand:hover{color:#fff}
.brand__mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--c-accent);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:700;
}
.brand__text{white-space:nowrap}

.shell__nav{flex:1 1 auto;display:flex;flex-direction:column;gap:4px}
.shell__label{
  display:block;
  font-size:12px;
  color:rgba(237,244,241,.48);
  margin:20px 0 8px;
  padding-left:10px;
}
.nav-item{
  position:relative;
  display:flex;align-items:center;
  height:40px;padding:0 10px;
  border-radius:10px;
  font-size:14.5px;
  color:rgba(237,244,241,.8);
  transition:background .18s ease,color .18s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.is-active{background:rgba(255,255,255,.10);color:#fff;font-weight:500}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:18px;border-radius:2px;
  background:var(--c-accent);
  transform:translateY(-50%);
}
.shell__foot{margin-top:auto;padding-top:24px;border-top:1px solid rgba(255,255,255,.10)}
.shell__contact{font-size:13px;line-height:1.9;color:rgba(237,244,241,.62);margin-top:14px}
.shell__copy{font-size:12px;color:rgba(237,244,241,.4);margin-top:12px}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:var(--c-brand-dark);color:#EDF4F1;
  box-shadow:0 2px 12px rgba(8,43,39,.18);
  z-index:1035;
}
.topbar__actions{display:flex;align-items:center;gap:10px}
.hamburger{
  width:40px;height:40px;flex:none;
  display:grid;place-items:center;
  border:none;border-radius:10px;
  background:rgba(255,255,255,.10);color:#EDF4F1;
  cursor:pointer;transition:background .18s ease;
}
.hamburger:hover{background:rgba(255,255,255,.18)}

.drawer{background:var(--c-brand-dark);color:#EDF4F1;width:min(84vw,320px)}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.10);padding:16px 20px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.7}
.drawer .btn-close:hover{opacity:1}
.drawer__nav{display:flex;flex-direction:column;gap:4px}
.drawer__nav .nav-item{height:48px;font-size:15px}
.offcanvas-backdrop{background-color:#0B2B29}
.offcanvas-backdrop.show{opacity:.55}

/* ============ 主内容 ============ */
.main{
  margin-left:var(--shell-w);
  padding-bottom:96px;
}
.breadcrumb-bar{
  height:40px;
  display:flex;align-items:center;gap:8px;
  font-size:14px;
  margin-top:24px;
}
.breadcrumb-bar a{color:var(--c-text-3)}
.breadcrumb-bar a:hover{color:var(--c-brand);text-decoration:underline}
.breadcrumb-bar .sep{color:var(--c-line-strong)}
.breadcrumb-bar .current{color:var(--c-text)}

/* 分类首屏 */
.cat-hero{
  position:relative;
  margin-top:16px;
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:320px;
  display:flex;align-items:flex-end;
  border-bottom:6px solid var(--c-accent);
}
.cat-hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cat-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,43,39,.90) 0%,rgba(16,101,90,.62) 55%,rgba(16,101,90,.42) 100%);
}
.cat-hero__body{position:relative;padding:44px 44px 40px;max-width:820px;color:#EDF4F1}
.cat-hero h1{
  color:#fff;
  font-size:clamp(28px,3.1vw,42px);
  line-height:1.28;
  font-weight:700;
  margin:16px 0 14px;
}
.cat-hero__body p{font-size:16.5px;line-height:1.85;color:rgba(237,244,241,.86);max-width:70ch}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* 通用组件 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-md);
  padding:14px 26px;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.32);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand-soft);color:var(--c-brand-strong)}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-icon{width:44px;height:44px;padding:0;flex:none;border-radius:var(--r-md)}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;
  background:var(--c-brand-soft);color:var(--c-brand-strong);
}
.tag--lime{background:rgba(185,217,74,.16);color:#DDEB9A;border:1px solid rgba(185,217,74,.45)}
.badge-soft{
  display:inline-block;padding:4px 10px;border-radius:999px;
  font-size:12px;background:#F0F2EE;color:var(--c-text-2);
}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;color:var(--c-brand);
  margin-bottom:10px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-brand);
}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover svg{transform:translateX(4px)}

.section{margin-top:78px}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:30px;flex-wrap:wrap;
}
.section__head h2{font-size:clamp(23px,2.2vw,31px);line-height:1.35}
.section__lead{font-size:15px;color:var(--c-text-2);max-width:46ch}

/* 分项对照清单 */
.defgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.defrow{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:20px 24px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.defrow:hover{border-color:rgba(16,101,90,.28);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.defrow dt{font-size:16px;font-weight:600;color:var(--c-brand)}
.defrow dd{margin:0;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* 卡片 */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.path-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.path-card:hover{border-color:rgba(16,101,90,.28);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.path-card--dark{background:var(--c-brand-dark);border-color:rgba(255,255,255,.14)}
.path-card--dark h3,.path-card--dark .path-card__body p{color:#EDF4F1}
.path-card--dark .path-card__body p{color:rgba(237,244,241,.8)}
.path-card--dark .tick-list li{color:rgba(237,244,241,.8)}
.path-card--dark .link-arrow{color:#B9D94A}
.path-card__media{aspect-ratio:16/9;overflow:hidden;background:#E7F1EE}
.path-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.path-card:hover .path-card__media img{transform:scale(1.03)}
.path-card__body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1 1 auto}
.step-mark{
  font-size:12px;font-weight:600;letter-spacing:0;
  color:var(--c-text-3);
}
.path-card--dark .step-mark{color:rgba(237,244,241,.55)}
.path-card h3{font-size:20px;line-height:1.45}
.path-card__body p{font-size:15px;line-height:1.8;color:var(--c-text-2)}
.tick-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.tick-list li{
  position:relative;padding-left:20px;
  font-size:14px;line-height:1.75;color:var(--c-text-2);
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;
  background:var(--c-lime);
}
.path-card__body .link-arrow{margin-top:auto}

/* 资讯卡 */
.news-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{border-color:rgba(16,101,90,.28);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit}
.news-card__link:hover{color:inherit}
.news-card__media{aspect-ratio:16/9;overflow:hidden;background:#E7F1EE}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.news-card h3{font-size:18px;line-height:1.5}
.news-card__body p{font-size:14.5px;line-height:1.8;color:var(--c-text-2)}
.news-card__foot{
  margin-top:auto;padding-top:6px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-card__foot time{font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:44px;align-items:start}
.faq-aside h2{font-size:clamp(23px,2.2vw,31px);margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--c-text-2);max-width:36ch}
.faq-aside__box{
  margin-top:22px;padding:20px 22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-brand);
  border-radius:var(--r-md);
}
.faq-aside__box strong{display:block;font-size:15px;margin-bottom:6px}
.faq-aside__box span{font-size:14px;color:var(--c-text-2);line-height:1.8}
.faq .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
}
.faq .accordion-button{
  position:relative;
  width:100%;
  padding:20px 64px 20px 24px;
  font-size:16px;font-weight:600;line-height:1.6;
  color:var(--c-text);
  background:var(--c-surface);
  border:none;box-shadow:none;
  transition:color .18s ease,background .18s ease;
}
.faq .accordion-button:not(.collapsed){color:var(--c-brand);background:rgba(16,101,90,.04)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(16,101,90,.20);border-radius:var(--r-md)}
.faq .accordion-button::before{
  content:"";position:absolute;right:24px;top:50%;
  width:14px;height:2px;border-radius:2px;background:currentColor;
  transform:translateY(-50%);
}
.faq .accordion-button::after{
  content:"";position:absolute;right:30px;top:50%;
  width:2px;height:14px;border-radius:2px;background:currentColor;
  background-image:none;
  transform:translateY(-50%) rotate(0deg);
  transition:transform .2s ease,opacity .2s ease;
}
.faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.faq .accordion-body{
  padding:0 24px 22px;
  font-size:15px;line-height:1.85;color:var(--c-text-2);
  background:rgba(16,101,90,.04);
  max-width:68ch;
}

/* CTA 面板 */
.cta-panel{
  background:var(--c-brand-dark);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  color:#EDF4F1;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(185,217,74,.10);
}
.cta-panel h2{color:#fff;font-size:clamp(23px,2.2vw,31px);margin-bottom:14px}
.cta-panel p{font-size:15.5px;line-height:1.85;color:rgba(237,244,241,.82);max-width:52ch}
.cta-panel__actions{position:relative;display:flex;flex-direction:column;gap:14px}
.cta-panel__stats{
  position:relative;display:flex;gap:28px;margin-top:26px;flex-wrap:wrap;
}
.cta-panel__stats div{display:flex;flex-direction:column;gap:2px}
.cta-panel__stats .num{font-size:26px;font-weight:700;color:var(--c-lime);font-variant-numeric:tabular-nums}
.cta-panel__stats span:last-child{font-size:13px;color:rgba(237,244,241,.65)}

/* 表单 */
.form-panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:44px;
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:48px;
}
.form-panel__intro h2{font-size:clamp(23px,2.2vw,31px);margin-bottom:14px}
.form-panel__intro p{font-size:15px;line-height:1.85;color:var(--c-text-2)}
.contact-list{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.contact-list li{
  position:relative;padding-left:20px;
  font-size:14.5px;color:var(--c-text-2);
}
.contact-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--c-brand-soft);border:2px solid var(--c-brand);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--c-text)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;
  padding:12px 14px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:124px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(16,101,90,.18);
}
.field--full{grid-column:1/-1}
.form-note{font-size:13.5px;color:var(--c-text-3);margin-top:8px}
.form-tip{
  grid-column:1/-1;
  padding:12px 16px;border-radius:var(--r-md);
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  font-size:14px;
}

/* 底部固定转化条 */
.cta-bar{
  position:fixed;left:var(--shell-w);right:0;bottom:0;
  height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:0 var(--pad);
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px rgba(8,43,39,.08);
  z-index:1030;
  transition:opacity .24s ease,transform .24s ease;
}
.cta-bar.is-hidden{opacity:0;transform:translateY(8px);pointer-events:none}
.cta-bar__text{font-size:14.5px;color:var(--c-text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cta-bar__actions{display:flex;align-items:center;gap:16px;flex:none}
.cta-bar__icon{display:none}

/* 页脚 */
.site-footer{
  margin-left:var(--shell-w);
  background:var(--c-brand-dark);
  color:#EDF4F1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-top:64px;padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(237,244,241,.68);max-width:34ch}
.footer-grid h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-grid ul{display:flex;flex-direction:column;gap:6px}
.footer-grid li{font-size:14px;line-height:1.9;color:rgba(237,244,241,.68)}
.footer-grid a{color:rgba(237,244,241,.68)}
.footer-grid a:hover{color:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.10)}
.footer-bar .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:20px;
  font-size:13px;color:rgba(237,244,241,.58);
}
.footer-bar nav{display:flex;gap:16px;flex-wrap:wrap}
.footer-bar a{color:rgba(237,244,241,.58)}
.footer-bar a:hover{color:#fff}

/* 响应式 */
@media (max-width:1199.98px){
  .defgrid{grid-template-columns:1fr}
}
@media (max-width:991.98px){
  .shell{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:60px;padding-bottom:84px}
  .site-footer{margin-left:0}
  .cta-bar{left:0;height:60px;gap:12px}
  .cta-bar__text{display:none}
  .cta-bar__actions{width:100%;gap:10px}
  .cta-bar__actions .btn-accent{flex:1 1 auto;min-width:60%}
  .cta-bar__link{display:none}
  .cta-bar__icon{display:inline-flex}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .form-panel{grid-template-columns:1fr;gap:32px;padding:32px}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px;padding-top:48px}
  .cat-hero__body{padding:36px 28px}
  .section{margin-top:64px}
}
@media (max-width:767.98px){
  .cat-hero{min-height:280px}
  .cat-hero__body{padding:30px 22px 28px}
  .cat-hero h1{font-size:clamp(26px,7vw,32px)}
  .cat-hero__body p{font-size:15.5px}
  .cat-hero__actions .btn{width:100%}
  .cat-hero__actions{flex-direction:column;align-items:stretch}
  .section{margin-top:52px}
  .section__head{margin-bottom:22px}
  .form-grid{grid-template-columns:1fr}
  .path-card__body{padding:20px}
  .news-card__body{padding:18px 20px 20px}
  .defrow{padding:18px 20px}
}
@media (max-width:640px){
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .defrow{grid-template-columns:1fr;gap:8px}
  .form-panel{padding:24px 18px}
  .cta-panel{padding:28px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .news-card:hover,.path-card:hover,.defrow:hover{transform:none}
  .news-card:hover .news-card__media img,.path-card:hover .path-card__media img{transform:none}
}