/* roulang page: index */
:root{
  --brand-900:#0A3F34;
  --brand-600:#12876B;
  --brand-400:#2FA98A;
  --accent-500:#F2643F;
  --gold-400:#E8B44A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --ink:#14241F;
  --muted:#5C6B66;
  --line:#E4E1D8;
  --grad-brand:linear-gradient(120deg,#0A3F34,#12876B 55%,#2FA98A);
  --grad-hot:linear-gradient(120deg,#F2643F,#E8B44A);
  --sh-1:0 1px 2px rgba(20,36,31,.05);
  --sh-2:0 8px 24px rgba(20,36,31,.07);
  --sh-3:0 18px 44px rgba(10,63,52,.14);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-400);outline-offset:2px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:-.2px;color:var(--brand-900);white-space:nowrap;}
.nav-desktop{display:none;align-items:center;gap:26px;}
@media (min-width:1024px){.nav-desktop{display:flex;}}
.nav-link{
  position:relative;font-size:15px;color:#33443E;padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad-hot);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-900);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.search-box{
  display:none;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 12px;
  background:#FBFAF6;border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
@media (min-width:1024px){.search-box{display:flex;}}
.search-box:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(18,135,107,.12);}
.search-box svg{flex:0 0 auto;color:var(--muted);}
.search-box input{border:none;background:transparent;outline:none;width:100%;font-size:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);font-size:15px;font-weight:600;
  padding:11px 20px;min-height:44px;
  transition:transform .18s ease,box-shadow .18s ease,background-position .3s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--grad-brand);background-size:160% 100%;background-position:0 0;
  color:#fff;box-shadow:var(--sh-2);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-3);background-position:100% 0;}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{
  background:#fff;color:var(--brand-900);border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-hot{
  background:var(--grad-hot);background-size:160% 100%;color:#fff;box-shadow:var(--sh-2);
}
.btn-hot:hover{transform:translateY(-1px);box-shadow:var(--sh-3);background-position:100% 0;}
.btn-sm{padding:9px 16px;min-height:40px;font-size:14px;}
.header-cta{display:none;}
@media (min-width:1024px){.header-cta{display:inline-flex;}}
.hamburger{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--brand-900);
}
@media (min-width:1024px){.hamburger{display:none;}}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,63,52,.42);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .26s cubic-bezier(.4,.1,.2,1);
  padding:20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);color:var(--brand-900);font-size:20px;line-height:1;}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:var(--r-sm);
  font-size:16px;color:#33443E;border:1px solid transparent;
}
.drawer-link:hover{background:#F4F2EC;color:var(--brand-600);}
.drawer-link.active{background:rgba(18,135,107,.08);color:var(--brand-900);font-weight:600;border-color:rgba(18,135,107,.2);}
.drawer .search-box{display:flex;width:100%;margin:8px 0 12px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px 380px at 88% -8%,rgba(47,169,138,.20),transparent 62%),
    radial-gradient(560px 320px at 4% 6%,rgba(232,180,74,.16),transparent 60%),
    #FBF9F4;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:52px 0 60px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:6fr 6fr;gap:48px;padding:76px 0 84px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--brand-600);font-weight:600;box-shadow:var(--sh-1);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad-hot);}
.hero h1{
  margin-top:18px;
  font-size:28px;line-height:1.32;font-weight:800;letter-spacing:-.5px;color:var(--brand-900);
}
@media (min-width:768px){.hero h1{font-size:36px;line-height:1.26;}}
@media (min-width:1280px){.hero h1{font-size:44px;line-height:1.2;}}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:#3A4A44;box-shadow:var(--sh-1);
}
.badge-pill i{width:7px;height:7px;border-radius:50%;background:var(--brand-400);display:inline-block;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--r-xl);
  box-shadow:var(--sh-2);object-fit:cover;aspect-ratio:4/3;
}
.hero-float{
  position:absolute;left:-6px;bottom:-18px;background:#fff;border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh-3);border:1px solid var(--line);
}
.hero-float strong{display:block;font-size:24px;font-weight:800;color:var(--brand-900);line-height:1.2;}
.hero-float span{font-size:12px;color:var(--muted);letter-spacing:.02em;}
@media (max-width:640px){
  .hero-visual img{max-height:260px;}
  .hero-float{left:8px;bottom:-14px;padding:10px 14px;}
  .hero-float strong{font-size:20px;}
}

/* ---------- section heading ---------- */
.sec-head{max-width:720px;}
.sec-head .bar{
  width:34px;height:3px;border-radius:3px;background:var(--grad-hot);margin-bottom:14px;
}
.sec-head h2{font-size:24px;line-height:1.34;font-weight:700;color:var(--brand-900);letter-spacing:-.3px;}
@media (min-width:768px){.sec-head h2{font-size:28px;line-height:1.3;}}
.sec-head p{margin-top:12px;font-size:15px;color:var(--muted);}
.sec-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);
}
.text-link:hover{color:var(--accent-500);}
.text-link svg{transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(3px);}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:28px;margin-top:36px;}
@media (min-width:1024px){.pain-grid{grid-template-columns:8fr 4fr;gap:32px;}}
.pain-cards{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.pain-cards{grid-template-columns:repeat(2,1fr);}}
.pain-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.pain-card:hover{border-color:rgba(18,135,107,.35);box-shadow:var(--sh-2);transform:translateY(-2px);}
.pain-q{display:flex;gap:12px;align-items:flex-start;}
.pain-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:rgba(242,100,63,.1);
  color:var(--accent-500);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.pain-q h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);}
.pain-card p{margin-top:8px;font-size:14px;color:var(--muted);padding-left:42px;}
.pain-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);align-self:start;
}
.pain-aside h3{font-size:18px;font-weight:700;color:var(--brand-900);}
.pain-aside p{margin-top:12px;font-size:14.5px;color:var(--muted);}
.pain-aside .text-link{margin-top:18px;}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:1fr;gap:22px;margin-top:36px;}
@media (min-width:1024px){.plan-grid{grid-template-columns:repeat(2,1fr);}}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
  display:flex;flex-direction:column;
}
.plan-card:hover{border-color:rgba(18,135,107,.3);box-shadow:var(--sh-2);transform:translateY(-2px);}
.plan-card img{width:100%;height:180px;object-fit:cover;}
.plan-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.plan-icon{
  width:44px;height:44px;border-radius:13px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;margin-bottom:16px;
}
.plan-body h3{font-size:20px;font-weight:700;color:var(--brand-900);line-height:1.4;}
.plan-body>p{margin-top:10px;font-size:14.5px;color:var(--muted);}
.plan-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:#31423C;line-height:1.65;}
.plan-list li i{
  flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--grad-hot);margin-top:8px;
}
.plan-body .text-link{margin-top:auto;padding-top:18px;}
.plan-wide{grid-column:1/-1;display:grid;grid-template-columns:1fr;align-items:stretch;}
@media (min-width:1024px){.plan-wide{grid-template-columns:5fr 7fr;}}
.plan-wide img{height:220px;width:100%;object-fit:cover;}
@media (min-width:1024px){.plan-wide img{height:100%;min-height:260px;}}

/* ---------- stats ---------- */
.stats{background:var(--brand-900);background-image:var(--grad-brand);color:#fff;}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:22px;}}
.stat-card{
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-md);
  background:rgba(255,255,255,.07);padding:20px 18px;
}
.stat-card strong{display:block;font-size:32px;font-weight:800;line-height:1.15;letter-spacing:-.5px;}
@media (min-width:768px){.stat-card strong{font-size:44px;}}
.stat-card span{display:block;margin-top:6px;font-size:14px;color:rgba(255,255,255,.92);}
.stat-card em{display:block;margin-top:8px;font-size:12px;font-style:normal;color:rgba(255,255,255,.66);letter-spacing:.02em;}

/* ---------- lead cta ---------- */
.lead-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
}
@media (min-width:1024px){.lead-card{grid-template-columns:7fr 5fr;padding:36px;gap:32px;}}
.lead-card h2{font-size:23px;font-weight:700;color:var(--brand-900);line-height:1.35;}
@media (min-width:768px){.lead-card h2{font-size:27px;}}
.lead-card p{margin-top:12px;font-size:15px;color:var(--muted);}
.lead-points{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;}
.lead-actions{display:flex;flex-direction:column;gap:12px;}
.lead-note{font-size:13px;color:var(--muted);}

/* ---------- news ---------- */
.news-list{margin-top:32px;border-top:1px solid var(--line);}
.news-row{
  display:grid;grid-template-columns:1fr;gap:10px;
  padding:22px 8px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
@media (min-width:768px){
  .news-row{grid-template-columns:1fr 220px;gap:24px;align-items:center;}
}
.news-row:hover{background:#fff;padding-left:16px;}
.news-row h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row:hover h3{color:var(--brand-600);}
.news-row p{margin-top:6px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
@media (min-width:768px){.news-meta{justify-content:flex-end;}}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:rgba(18,135,107,.09);color:var(--brand-600);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.news-meta time{font-size:12.5px;color:var(--muted);}
.news-empty{
  margin-top:32px;border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  padding:40px 24px;text-align:center;color:var(--muted);font-size:15px;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:32px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-600);}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);
  font-size:16px;font-weight:600;transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--grad-hot);color:#fff;border-color:transparent;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a p{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(10,63,52,.5);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:16px;
  opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;
}
.modal-mask.open{opacity:1;visibility:visible;}
.modal-panel{
  width:100%;max-width:540px;background:#fff;border-radius:var(--r-xl);
  box-shadow:var(--sh-3);padding:26px;transform:translateY(12px);
  transition:transform .18s ease;max-height:92vh;overflow-y:auto;
}
.modal-mask.open .modal-panel{transform:translateY(0);}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;}
.modal-head h3{font-size:20px;font-weight:700;color:var(--brand-900);}
.modal-head p{margin-top:6px;font-size:13.5px;color:var(--muted);}
.modal-close{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;border:1px solid var(--line);
  color:var(--muted);font-size:19px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{border-color:var(--brand-400);color:var(--brand-600);}
.form-grid{margin-top:20px;display:flex;flex-direction:column;gap:16px;}
.field label{display:block;font-size:14px;color:#31423C;margin-bottom:6px;}
.field .req{color:var(--accent-500);margin-left:2px;}
.field input,.field textarea{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFAF6;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{border-color:var(--brand-600);background:#fff;box-shadow:0 0 0 3px rgba(18,135,107,.12);}
.field.error input,.field.error textarea{border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(242,100,63,.12);}
.field .tip{display:none;margin-top:6px;font-size:12px;color:var(--accent-500);}
.field.error .tip{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7;}
.consent input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand-600);}
.modal-foot{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:#DCE9E4;padding:56px 0 24px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:4fr 3fr 3fr 3fr;gap:36px;}}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-logo .logo-mark{background:var(--grad-hot);}
.footer-logo .logo-text{color:#fff;}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(220,233,228,.78);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(220,233,228,.78);}
.footer-col a:hover{color:var(--brand-400);}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(220,233,228,.62);
}
.footer-bottom a:hover{color:var(--brand-400);}

/* roulang page: article */
:root{
    --brand-900:#0A3F34;
    --brand-600:#12876B;
    --brand-400:#2FA98A;
    --accent-500:#F2643F;
    --gold-400:#E8B44A;
    --bg:#F7F5F0;
    --card:#FFFFFF;
    --dark:#0A3F34;
    --ink:#14241F;
    --muted:#5C6B66;
    --line:#E4E1D8;
    --grad-brand:linear-gradient(120deg,#0A3F34,#12876B 55%,#2FA98A);
    --grad-hot:linear-gradient(120deg,#F2643F,#E8B44A);
    --sh-1:0 1px 2px rgba(20,36,31,.05);
    --sh-2:0 8px 24px rgba(20,36,31,.07);
    --sh-3:0 18px 44px rgba(10,63,52,.14);
    --r-xl:24px;
    --r-md:16px;
    --r-sm:12px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    font-feature-settings:"tnum";
  }
  body.no-scroll{overflow:hidden;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .18s ease;}
  button,input,textarea,select{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  ::selection{background:rgba(18,135,107,.2);}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .container{padding:0 32px;} }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    backdrop-filter:saturate(1.4) blur(10px);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-1);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-2);}
  .header-inner{display:flex;align-items:center;gap:18px;height:72px;}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
    color:#fff;font-weight:800;font-size:15px;letter-spacing:.04em;
    display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);
  }
  .logo-text{font-size:19px;font-weight:700;white-space:nowrap;}
  .nav-desktop{display:none;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto;}
  .nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--muted);border-radius:10px;white-space:nowrap;}
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
    border-radius:2px;background:var(--grad-brand);
    transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
  }
  .nav-link:hover{color:var(--brand-600);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand-900);font-weight:600;}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-link:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .search-box{
    display:none;align-items:center;gap:8px;width:220px;height:40px;padding:0 12px;
    border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--muted);
    transition:border-color .18s,box-shadow .18s;
  }
  .search-box:focus-within{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(47,169,138,.15);}
  .search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;}
  .search-box input::placeholder{color:#9AA6A1;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;font-size:15px;font-weight:600;line-height:1;
    border:1px solid transparent;border-radius:var(--r-sm);cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background-position .3s ease,color .18s ease,border-color .18s ease,opacity .18s;
  }
  .btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
  .btn-primary{
    background-image:var(--grad-brand);background-size:170% 100%;background-position:0 0;
    color:#fff;box-shadow:var(--sh-1);
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background-position:10% 0;}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-900);}
  .btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--sh-1);}
  .btn-soft{background:rgba(18,135,107,.1);color:var(--brand-600);border-color:transparent;}
  .btn-soft:hover{background:rgba(18,135,107,.16);transform:translateY(-1px);}
  .btn-sm{padding:10px 18px;font-size:14px;}
  .btn-block{width:100%;}
  .btn[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed;background-image:none;background-color:#B9C6C1;}

  .hamburger{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);
    background:#fff;color:var(--brand-900);cursor:pointer;transition:border-color .18s,box-shadow .18s;
  }
  .hamburger:hover{border-color:var(--brand-400);box-shadow:var(--sh-1);}
  .hamburger:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}

  @media (min-width:1024px){
    .nav-desktop{display:flex;}
    .search-box{display:flex;}
    .hamburger{display:none;}
  }

  /* ---------- Drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(10,63,52,.42);z-index:80;
    opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:90;
    background:#fff;box-shadow:var(--sh-3);padding:20px;
    display:flex;flex-direction:column;gap:16px;
    transform:translateX(100%);transition:transform .24s ease;
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .drawer-head .brand{display:flex;align-items:center;gap:10px;}
  .drawer-close{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
    font-size:20px;line-height:1;color:var(--muted);cursor:pointer;
  }
  .drawer-close:hover{border-color:var(--brand-400);color:var(--brand-600);}
  .drawer-search{display:flex;width:100%;height:44px;}
  .drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .drawer-nav a{
    display:flex;align-items:center;min-height:48px;padding:0 4px;
    border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);
  }
  .drawer-nav a:hover{color:var(--brand-600);}
  .drawer-nav a.active{color:var(--brand-600);font-weight:600;}

  /* ---------- Page shell ---------- */
  .page-top{
    background:
      radial-gradient(680px 240px at 12% -10%,rgba(47,169,138,.16),transparent 70%),
      radial-gradient(520px 220px at 92% 0%,rgba(242,100,63,.10),transparent 70%),
      var(--bg);
    border-bottom:1px solid var(--line);
    padding-bottom:36px;
  }
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 0;font-size:14px;color:var(--muted);}
  .crumbs a{color:var(--muted);}
  .crumbs a:hover{color:var(--brand-600);}
  .crumbs .sep{color:#C7C1B2;}

  .article-head{padding:26px 0 0;max-width:900px;}
  .tag{
    display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
    background:rgba(18,135,107,.1);color:var(--brand-600);
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .tag-hot{background:rgba(242,100,63,.12);color:var(--accent-500);}
  .article-title{
    margin:16px 0 0;font-size:28px;font-weight:800;line-height:1.4;letter-spacing:-.015em;
  }
  @media (min-width:768px){ .article-title{font-size:36px;line-height:1.32;} }
  .meta-bar{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
    margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
    font-size:14px;color:var(--muted);
  }
  .meta-bar .dot{color:#C7C1B2;}
  .meta-bar .who{display:inline-flex;align-items:center;gap:8px;}
  .avatar{
    width:26px;height:26px;border-radius:50%;background:var(--grad-brand);
    color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
  }

  main{padding:40px 0 0;}
  @media (min-width:768px){ main{padding:52px 0 0;} }

  .article-shell{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
    box-shadow:var(--sh-1);padding:26px 20px;
  }
  @media (min-width:768px){ .article-shell{padding:44px 52px;} }

  .article-body{
    max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:#22332D;
    overflow-wrap:break-word;word-break:break-word;
  }
  .article-body p{margin:0 0 20px;}
  .article-body h2{
    position:relative;font-size:23px;font-weight:700;line-height:1.45;
    margin:40px 0 18px;padding-left:14px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
    border-radius:4px;background:var(--grad-brand);
  }
  .article-body h3{font-size:19px;font-weight:700;margin:30px 0 14px;}
  .article-body h4{font-size:16px;font-weight:700;margin:24px 0 12px;color:var(--brand-900);}
  .article-body ul{margin:0 0 20px;}
  .article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
  .article-body ul li::before{
    content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;
    border-radius:50%;background:var(--grad-hot);
  }
  .article-body ol{counter-reset:li;margin:0 0 20px;}
  .article-body ol li{position:relative;padding-left:30px;margin-bottom:12px;counter-increment:li;}
  .article-body ol li::before{
    content:counter(li);position:absolute;left:0;top:.3em;
    width:20px;height:20px;border-radius:50%;
    background:rgba(18,135,107,.12);color:var(--brand-600);
    font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  }
  .article-body blockquote{
    margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand-600);
    background:#F3F8F6;border-radius:0 var(--r-sm) var(--r-sm) 0;color:#2B403A;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:var(--r-md);margin:24px auto;box-shadow:var(--sh-1);}
  .article-body figure{margin:24px 0;}
  .article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px;}
  .article-body a{color:var(--brand-600);border-bottom:1px solid rgba(18,135,107,.35);}
  .article-body a:hover{color:var(--brand-900);border-bottom-color:var(--brand-900);}
  .article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
  .article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
  .article-body th{background:#F3F8F6;font-weight:600;}
  .article-body pre{background:#0A3F34;color:#EAF3F0;padding:16px 18px;border-radius:var(--r-sm);overflow-x:auto;font-size:14px;}
  .article-body code{background:#F1F5F3;padding:2px 6px;border-radius:6px;font-size:14px;}
  .article-body .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

  .empty-state{
    max-width:760px;margin:0 auto;text-align:center;padding:32px 8px 40px;
  }
  .empty-state .icon{
    width:56px;height:56px;margin:0 auto 18px;border-radius:18px;background:rgba(18,135,107,.1);
    display:flex;align-items:center;justify-content:center;color:var(--brand-600);
  }
  .empty-state h2{font-size:22px;margin-bottom:12px;}
  .empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

  /* ---------- Sections ---------- */
  .section{padding:56px 0 0;}
  @media (min-width:768px){ .section{padding:72px 0 0;} }
  .section-head{max-width:760px;margin-bottom:26px;}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
    letter-spacing:.08em;color:var(--brand-600);text-transform:uppercase;
  }
  .kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);}
  .section-head h2{font-size:24px;margin:12px 0 10px;}
  @media (min-width:768px){ .section-head h2{font-size:28px;} }
  .section-head p{color:var(--muted);font-size:15px;}

  .cta-card{
    margin-top:56px;border-radius:var(--r-xl);border:1px solid var(--line);
    background:linear-gradient(120deg,#F1F7F4,#FFFFFF 55%,#FDF3EE);
    padding:28px 22px;box-shadow:var(--sh-1);
    display:grid;gap:22px;
  }
  @media (min-width:900px){
    .cta-card{grid-template-columns:1.5fr 1fr;align-items:center;padding:38px 40px;gap:32px;}
  }
  .cta-card h2{font-size:23px;margin-bottom:12px;}
  .cta-card p{color:var(--muted);font-size:15px;margin-bottom:8px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px;}
  .cta-note{font-size:13px;color:var(--muted);margin-top:14px;}

  .rec-grid{display:grid;gap:18px;grid-template-columns:1fr;}
  @media (min-width:768px){ .rec-grid{grid-template-columns:repeat(3,1fr);} }
  .rec-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,135,107,.3);}
  .rec-card img{height:150px;width:100%;object-fit:cover;}
  .rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;}
  .rec-body h3{font-size:17px;line-height:1.5;}
  .rec-body p{font-size:14px;color:var(--muted);line-height:1.7;}
  .rec-link{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;margin-top:auto;}
  .rec-card:hover .rec-link{color:var(--brand-900);}

  .pager{
    margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  }
  .pager-links{display:flex;flex-wrap:wrap;gap:12px;}
  .pager .btn{max-width:100%;}

  /* ---------- Modal ---------- */
  .modal-mask{
    position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
    padding:20px;background:rgba(10,63,52,.45);
    opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;
  }
  .modal-mask.is-open{opacity:1;visibility:visible;}
  .modal{
    width:100%;max-width:520px;background:#fff;border-radius:var(--r-xl);
    box-shadow:var(--sh-3);padding:24px 22px;position:relative;
    transform:translateY(12px);transition:transform .18s ease;
    max-height:calc(100vh - 40px);overflow-y:auto;
  }
  @media (min-width:768px){ .modal{padding:30px 32px;} }
  .modal-mask.is-open .modal{transform:translateY(0);}
  .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px;}
  .modal-head h2{font-size:20px;}
  .modal-head p{font-size:13px;color:var(--muted);margin-top:6px;}
  .modal-close{
    width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;
    font-size:18px;line-height:1;color:var(--muted);cursor:pointer;flex:0 0 auto;
  }
  .modal-close:hover{border-color:var(--accent-500);color:var(--accent-500);}
  .modal-close:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
  .field{margin-top:16px;}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--brand-900);}
  .field .req{color:var(--accent-500);margin-left:4px;}
  .field input[type="text"],
  .field input[type="tel"],
  .field textarea{
    width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
    border-radius:var(--r-sm);background:#fff;outline:0;
    transition:border-color .18s,box-shadow .18s;font-size:15px;
  }
  .field textarea{height:auto;min-height:92px;padding:12px 14px;resize:vertical;line-height:1.7;}
  .field input:focus,.field textarea:focus{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(47,169,138,.15);}
  .field.error input,.field.error textarea{border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(242,100,63,.12);}
  .field .hint{font-size:12px;color:var(--muted);margin-top:6px;}
  .field .err-msg{display:none;font-size:12px;color:var(--accent-500);margin-top:6px;}
  .field.error .err-msg{display:block;}
  .agree{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13px;color:var(--muted);line-height:1.7;}
  .agree input{width:16px;height:16px;margin-top:3px;accent-color:#12876B;flex:0 0 auto;}
  .agree a{color:var(--brand-600);}
  .modal-foot{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.7;}

  /* ---------- Footer ---------- */
  .site-footer{margin-top:80px;background:var(--dark);color:#DCE8E4;padding:56px 0 26px;}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;} }
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-logo .logo-text{color:#fff;font-size:18px;font-weight:700;}
  .footer-about{font-size:14px;line-height:1.9;color:rgba(220,232,228,.78);max-width:380px;}
  .footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col li a,.footer-col li span{font-size:14px;color:rgba(220,232,228,.78);line-height:1.6;}
  .footer-col li a:hover{color:var(--brand-400);}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(220,232,228,.66);
  }

  @media (max-width:520px){
    .header-inner{height:64px;gap:12px;}
    .logo-text{font-size:16px;}
    .logo-mark{width:34px;height:34px;border-radius:11px;font-size:13px;}
    .header-cta{display:none;}
    .article-title{font-size:24px;}
    .cta-actions .btn{width:100%;}
    .pager{align-items:stretch;}
    .pager .btn{width:100%;}
  }

/* roulang page: category1 */
:root{
  --brand-900:#0A3F34;--brand-600:#12876B;--brand-400:#2FA98A;
  --accent-500:#F2643F;--gold-400:#E8B44A;
  --bg:#F7F5F0;--card:#FFFFFF;--ink:#14241F;--muted:#5C6B66;--line:#E4E1D8;
  --grad-brand:linear-gradient(120deg,#0A3F34,#12876B 55%,#2FA98A);
  --grad-hot:linear-gradient(120deg,#F2643F,#E8B44A);
  --sh-1:0 1px 2px rgba(20,36,31,.05);
  --sh-2:0 8px 24px rgba(20,36,31,.07);
  --sh-3:0 18px 44px rgba(10,63,52,.14);
  --r-lg:24px;--r-md:16px;--r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.75;font-variant-numeric:tabular-nums}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.04em;box-shadow:var(--sh-1)}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-desktop{display:none;align-items:center;gap:4px;margin-left:10px}
@media(min-width:1024px){.nav-desktop{display:flex}}
.nav-link{position:relative;display:inline-block;padding:9px 12px;font-size:15px;color:var(--muted);text-decoration:none;border-radius:10px;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--grad-hot);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--brand-900)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-900);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:none;align-items:center;gap:8px;width:220px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);transition:border-color .2s,box-shadow .2s}
@media(min-width:1280px){.search-box{display:flex}}
.search-box:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(18,135,107,.12)}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;width:100%;color:var(--ink);font-family:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-family:inherit;font-size:15px;font-weight:600;border-radius:12px;padding:0 22px;height:48px;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,border-color .2s ease}
.btn-primary{background:var(--grad-brand);background-size:150% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background-position:30% 0}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand-900)}
.btn-ghost:hover{border-color:var(--brand-400);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:11px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.btn[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed}
.hamburger{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-900);cursor:pointer;transition:border-color .2s,box-shadow .2s}
.hamburger:hover{border-color:var(--brand-400);box-shadow:var(--sh-1)}
@media(min-width:1024px){.hamburger{display:none}}
.header-cta{display:none}
@media(min-width:768px){.header-cta{display:inline-flex}}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(10,63,52,.38);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:70}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:#fff;z-index:80;transform:translateX(102%);transition:transform .3s cubic-bezier(.22,.8,.3,1);box-shadow:var(--sh-3);display:flex;flex-direction:column;padding:20px}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-title{font-size:15px;font-weight:700;color:var(--brand-900)}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--muted);font-size:18px;line-height:1}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;color:var(--muted)}
.drawer-search input{border:0;outline:0;background:transparent;font-size:14px;width:100%;font-family:inherit;color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:12px;text-decoration:none;color:var(--ink);font-size:15px;font-weight:500;transition:background .2s,color .2s}
.drawer-nav a:hover{background:#F2F7F5;color:var(--brand-900)}
.drawer-nav a.active{background:rgba(18,135,107,.08);color:var(--brand-900);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}

/* ---------- breadcrumb & hero ---------- */
.crumb{padding:18px 0 0}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb-list a{text-decoration:none;color:var(--muted);transition:color .2s}
.crumb-list a:hover{color:var(--brand-600)}
.crumb-sep{color:#B9B5AA}
.crumb-current{color:var(--brand-900);font-weight:600}
.page-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);margin-top:18px}
.page-hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.14}
.page-hero::after{content:"";position:absolute;top:-120px;right:-80px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(47,169,138,.28),rgba(47,169,138,0) 68%);pointer-events:none}
.page-hero-inner{position:relative;z-index:2;padding:52px 0 56px;max-width:880px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(18,135,107,.28);background:rgba(18,135,107,.07);color:var(--brand-900);font-size:12px;letter-spacing:.02em;font-weight:600}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--grad-hot)}
h1{font-size:28px;line-height:1.3;font-weight:800;letter-spacing:-.01em;margin:18px 0 0;color:var(--ink)}
@media(min-width:768px){h1{font-size:44px;line-height:1.22}}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.9;color:var(--muted);max-width:760px}
@media(min-width:768px){.hero-lead{font-size:17px}}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--brand-900);box-shadow:var(--sh-1)}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--grad-brand);display:inline-block}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
.section-head{max-width:760px;margin-bottom:34px}
.h2{position:relative;font-size:24px;line-height:1.35;font-weight:800;letter-spacing:-.01em;padding-left:16px}
@media(min-width:768px){.h2{font-size:28px}}
.h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--grad-brand)}
.section-sub{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.85}
.h3{font-size:20px;line-height:1.4;font-weight:700;margin-bottom:12px}
.surface{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}

/* ---------- split blocks ---------- */
.split{display:grid;gap:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease}
.split:hover{box-shadow:var(--sh-2);border-color:rgba(18,135,107,.3);transform:translateY(-2px)}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr;gap:0;align-items:stretch}}
.split + .split{margin-top:28px}
.split-media{position:relative;min-height:230px;background:#E8EFEC}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:230px}
@media(min-width:900px){.split-media img{min-height:100%}}
.split-index{position:absolute;left:20px;top:20px;display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:32px;padding:0 12px;border-radius:10px;background:rgba(255,255,255,.94);color:var(--brand-900);font-size:13px;font-weight:800;box-shadow:var(--sh-1)}
.split-body{padding:26px 24px 30px}
@media(min-width:768px){.split-body{padding:36px 34px}}
.split-body p{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:18px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--ink);padding:8px 0}
.check-list li::before{content:"";flex:0 0 auto;width:9px;height:9px;border-radius:50%;background:var(--grad-brand);margin-top:9px}
@media(min-width:900px){
  .split.reverse .split-media{order:2}
  .split.reverse .split-body{order:1}
}

/* ---------- compare ---------- */
.compare{display:grid;gap:22px;margin-top:8px}
@media(min-width:880px){.compare{grid-template-columns:1fr 1fr;gap:26px}}
.compare-card{border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;padding:26px 24px;box-shadow:var(--sh-1)}
.compare-card.good{border-color:rgba(18,135,107,.34);background:linear-gradient(180deg,rgba(47,169,138,.07),rgba(255,255,255,1) 42%)}
.compare-card.warn{border-color:rgba(242,100,63,.3);background:linear-gradient(180deg,rgba(242,100,63,.07),rgba(255,255,255,1) 42%)}
.compare-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em}
.compare-card.good .compare-tag{background:rgba(18,135,107,.12);color:var(--brand-900)}
.compare-card.warn .compare-tag{background:rgba(242,100,63,.13);color:#B23F20}
.compare-card h3{font-size:19px;font-weight:700;margin:14px 0 14px}
.compare-card ul li{position:relative;padding:10px 0 10px 20px;font-size:15px;line-height:1.8;color:var(--muted);border-top:1px dashed var(--line)}
.compare-card ul li:first-child{border-top:0}
.compare-card ul li::before{content:"";position:absolute;left:0;top:19px;width:8px;height:8px;border-radius:2px}
.compare-card.good ul li::before{background:var(--brand-400)}
.compare-card.warn ul li::before{background:var(--accent-500)}

/* ---------- steps strip / checklist band ---------- */
.band{background:var(--brand-900);border-radius:var(--r-lg);padding:38px 24px;color:#fff;position:relative;overflow:hidden}
@media(min-width:768px){.band{padding:52px 44px}}
.band::before{content:"";position:absolute;top:-90px;left:-60px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(47,169,138,.4),rgba(47,169,138,0) 70%)}
.band-inner{position:relative;z-index:2}
.band h2{font-size:24px;font-weight:800;color:#fff;margin-bottom:12px}
@media(min-width:768px){.band h2{font-size:28px}}
.band p.band-sub{color:rgba(255,255,255,.78);font-size:15px;line-height:1.85;max-width:720px}
.band-grid{display:grid;gap:14px;margin-top:28px}
@media(min-width:768px){.band-grid{grid-template-columns:repeat(3,1fr);gap:18px}}
.band-item{border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.07);border-radius:var(--r-md);padding:20px;transition:background .25s ease,transform .25s ease}
.band-item:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.band-num{font-size:13px;font-weight:800;color:var(--gold-400);letter-spacing:.08em}
.band-item h3{font-size:17px;font-weight:700;color:#fff;margin:10px 0 8px}
.band-item p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76)}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(18,135,107,.32);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand-600);outline-offset:-2px}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);color:var(--brand-600);display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .25s ease,background .25s ease,color .25s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad-brand);color:#fff;border-color:transparent}
.faq-answer{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- cta ---------- */
.cta-card{background:linear-gradient(180deg,rgba(47,169,138,.09),rgba(255,255,255,1) 55%);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 24px;box-shadow:var(--sh-1);display:grid;gap:24px}
@media(min-width:880px){.cta-card{grid-template-columns:1.15fr .85fr;padding:46px 44px;align-items:center}}
.cta-card h2{font-size:24px;font-weight:800;line-height:1.35}
@media(min-width:768px){.cta-card h2{font-size:28px}}
.cta-card p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
.cta-side h3{font-size:16px;font-weight:700;margin-bottom:12px}
.cta-side li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--muted);padding:7px 0}
.cta-side li::before{content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--grad-hot);margin-top:9px}

/* ---------- back links ---------- */
.backbar{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:8px 0 0}
.link-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand-900);text-decoration:none;font-size:14px;font-weight:600;transition:border-color .2s,transform .2s,box-shadow .2s}
.link-chip:hover{border-color:var(--brand-400);transform:translateY(-1px);box-shadow:var(--sh-1)}

/* ---------- modal ---------- */
.modal-overlay{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .18s ease}
.modal-overlay.is-open{opacity:1;pointer-events:auto}
.modal-mask{position:absolute;inset:0;background:rgba(10,63,52,.45)}
.modal-panel{position:relative;width:100%;max-width:540px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:26px 24px;transform:translateY(14px);transition:transform .18s ease;max-height:92vh;overflow-y:auto}
.modal-overlay.is-open .modal-panel{transform:translateY(0)}
@media(min-width:768px){.modal-panel{padding:32px 32px}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}
.modal-head h3{font-size:20px;font-weight:800}
.modal-sub{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}
.modal-close{flex:0 0 auto;width:36px;height:36px;border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:18px;line-height:1;cursor:pointer;transition:border-color .2s,color .2s}
.modal-close:hover{border-color:var(--accent-500);color:var(--accent-500)}
.modal-close:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field .req{color:var(--accent-500)}
.field input,.field textarea{width:100%;min-height:44px;padding:11px 14px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff;outline:0;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:88px;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(18,135,107,.12)}
.field.has-error input{border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(242,100,63,.12)}
.field-error{font-size:12px;color:var(--accent-500);margin-top:6px}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.7;color:var(--muted);margin:4px 0 18px}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:#12876B;flex:0 0 auto}
.modal-note{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.7;text-align:center}
.form-tip{margin-top:12px;font-size:13px;color:var(--brand-600);text-align:center}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.8);margin-top:64px;padding:56px 0 26px}
@media(min-width:768px){.site-footer{padding:72px 0 30px}}
.footer-grid{display:grid;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .logo-mark{background:var(--grad-hot)}
.footer-logo .logo-text{color:#fff;font-size:18px;font-weight:700}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:rgba(255,255,255,.7);text-decoration:none;transition:color .2s ease}
.footer-col ul li a:hover{color:var(--brand-400)}
.footer-bottom{margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* roulang page: category3 */
:root{
    --brand-900:#0A3F34;
    --brand-600:#12876B;
    --brand-400:#2FA98A;
    --accent-500:#F2643F;
    --gold-400:#E8B44A;
    --bg:#F7F5F0;
    --card:#FFFFFF;
    --ink:#14241F;
    --muted:#5C6B66;
    --line:#E4E1D8;
    --grad-brand:linear-gradient(120deg,#0A3F34,#12876B 55%,#2FA98A);
    --grad-hot:linear-gradient(120deg,#F2643F,#E8B44A);
    --sh-1:0 1px 2px rgba(20,36,31,.05);
    --sh-2:0 8px 24px rgba(20,36,31,.07);
    --sh-3:0 18px 44px rgba(10,63,52,.14);
    --r-lg:24px;
    --r-md:16px;
    --r-sm:12px;
    --gap:32px;
    --sec:80px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    font-variant-numeric:tabular-nums;
  }
  img{max-width:100%;height:auto;display:block;}
  ul,ol{margin:0;padding:0;list-style:none;}
  body a{color:inherit;text-decoration:none;}
  body button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
  body input,body textarea{font-family:inherit;font-size:15px;}
  body .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media(min-width:1024px){ body .container{padding-left:32px;padding-right:32px;} }
  ::selection{background:rgba(47,169,138,.22);}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    backdrop-filter:saturate(160%) blur(6px);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-1);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-2);}
  .header-inner{display:flex;align-items:center;gap:18px;min-height:72px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;
    background:var(--grad-brand);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:800;letter-spacing:.04em;
    box-shadow:var(--sh-1);
  }
  .logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
  .nav-desktop{display:none;align-items:center;gap:6px;margin-left:12px;}
  .nav-link{
    position:relative;font-size:15px;color:var(--muted);
    padding:20px 12px;transition:color .2s ease;white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;border-radius:2px;
    background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--brand-600);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand-900);font-weight:600;}
  .nav-link.active::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .search-box{
    display:none;align-items:center;gap:8px;
    width:220px;height:40px;padding:0 12px;
    border:1px solid var(--line);border-radius:var(--r-sm);background:#FCFBF8;
    color:var(--muted);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .search-box:focus-within{border-color:var(--brand-400);background:#fff;box-shadow:0 0 0 3px rgba(47,169,138,.14);}
  .search-box input{border:none;outline:none;background:transparent;width:100%;color:var(--ink);font-size:14px;}
  .search-box input::placeholder{color:#9AA6A1;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-sm);font-weight:600;letter-spacing:.01em;
    transition:transform .18s ease,box-shadow .2s ease,background-position .3s ease,color .2s ease,border-color .2s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background-image:var(--grad-brand);background-size:180% 100%;background-position:0 0;
    color:#fff;box-shadow:var(--sh-1);padding:12px 22px;font-size:15px;
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background-position:8% 0;}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
  .btn-sm{padding:10px 16px;font-size:14px;}
  .btn-ghost{
    background:#fff;color:var(--brand-900);border:1px solid var(--line);padding:12px 22px;font-size:15px;
  }
  .btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--sh-1);}
  .btn:focus-visible,body a:focus-visible,body button:focus-visible,input:focus-visible,textarea:focus-visible{
    outline:2px solid var(--brand-600);outline-offset:2px;border-radius:8px;
  }
  .hamburger{
    display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
    border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);
  }
  .hamburger:hover{border-color:var(--brand-400);color:var(--brand-600);}
  @media(min-width:1024px){
    .nav-desktop{display:flex;}
    .search-box{display:flex;}
    .hamburger{display:none;}
  }

  /* ---------- drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(10,63,52,.42);opacity:0;visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;z-index:80;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:#fff;z-index:90;
    transform:translateX(102%);transition:transform .26s cubic-bezier(.22,.61,.36,1);
    box-shadow:var(--sh-3);display:flex;flex-direction:column;padding:20px;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
  .drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);}
  .drawer-close:hover{color:var(--accent-500);border-color:var(--accent-500);}
  .drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;color:var(--muted);}
  .drawer-search input{border:none;outline:none;width:100%;background:transparent;}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;}
  .drawer-nav a{
    display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:var(--r-sm);
    font-size:15px;color:var(--ink);border:1px solid transparent;
  }
  .drawer-nav a:hover{background:#F2F7F4;border-color:var(--line);color:var(--brand-600);}
  .drawer-nav a.active{background:#EAF4F0;color:var(--brand-900);font-weight:600;}
  .drawer-cta{margin-top:auto;}

  /* ---------- breadcrumb & banner ---------- */
  .breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:14px 0;flex-wrap:wrap;}
  .breadcrumb a:hover{color:var(--brand-600);}
  .breadcrumb .sep{color:#BFC7C3;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  .page-hero{
    position:relative;overflow:hidden;color:#fff;
    background-image:linear-gradient(105deg,rgba(10,63,52,.94) 6%,rgba(10,63,52,.78) 46%,rgba(18,135,107,.55) 100%),
                     url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
  }
  .page-hero-inner{padding:64px 0 68px;max-width:760px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
    padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.3);color:#EAF6F1;font-weight:600;
  }
  .page-hero h1{
    font-size:30px;line-height:1.28;font-weight:800;margin:18px 0 16px;letter-spacing:.01em;
  }
  .page-hero p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);max-width:640px;margin:0;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .hero-tags span{
    font-size:13px;padding:6px 12px;border-radius:999px;
    border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.1);color:#fff;
  }
  @media(min-width:768px){
    .page-hero-inner{padding:82px 0 88px;}
    .page-hero h1{font-size:38px;line-height:1.24;}
  }
  @media(min-width:1280px){ .page-hero h1{font-size:42px;} }

  /* ---------- section base ---------- */
  .section{padding:var(--sec) 0;}
  .section-tight{padding:56px 0;}
  @media(max-width:767px){ :root{--sec:52px;} }
  .section-head{max-width:760px;margin-bottom:36px;}
  .section-head h2{font-size:24px;line-height:1.35;font-weight:800;margin:0 0 12px;}
  .section-head p{margin:0;color:var(--muted);font-size:15px;line-height:1.85;}
  .h2-bar{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
  .h2-bar i{width:4px;height:20px;border-radius:3px;background:var(--grad-brand);display:block;}
  .h2-bar span{font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--brand-600);text-transform:uppercase;}
  @media(min-width:768px){
    .section-head h2{font-size:28px;}
  }

  /* ---------- intro ---------- */
  .intro-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-1);padding:28px;
  }
  .intro-card p{margin:0 0 14px;font-size:16px;line-height:1.9;color:#263833;}
  .intro-card p:last-child{margin-bottom:0;}
  .intro-grid{display:grid;gap:28px;align-items:center;}
  .intro-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:#fff;}
  .intro-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
  @media(min-width:1024px){
    .intro-grid{grid-template-columns:1.35fr 1fr;gap:40px;}
  }

  /* ---------- steps ---------- */
  .steps-wrap{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-1);padding:30px 22px;
  }
  .step{position:relative;padding:0 0 30px 66px;}
  .step:last-child{padding-bottom:0;}
  .step::before{
    content:"";position:absolute;left:23px;top:52px;bottom:6px;width:2px;
    background:linear-gradient(180deg,var(--brand-400),rgba(47,169,138,.12));
  }
  .step:last-child::before{display:none;}
  .step-num{
    position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
    background-image:var(--grad-brand);color:#fff;font-weight:700;font-size:16px;
    display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);
  }
  .step-card{
    border:1px solid var(--line);border-radius:var(--r-md);background:#FCFBF8;
    padding:20px 20px 18px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease,background .2s ease;
  }
  .step-card:hover{border-color:rgba(18,135,107,.35);background:#fff;box-shadow:var(--sh-2);transform:translateY(-2px);}
  .step-card h3{font-size:18px;font-weight:700;margin:0 0 8px;}
  .step-card p{margin:0 0 12px;color:var(--muted);font-size:15px;line-height:1.85;}
  .step-list li{position:relative;padding-left:18px;font-size:14px;color:#33453F;line-height:1.9;}
  .step-list li::before{
    content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
    background:var(--grad-hot);
  }
  @media(min-width:768px){
    .steps-wrap{padding:40px 38px;}
    .step{padding-left:84px;}
    .step::before{left:29px;}
    .step-num{width:58px;height:58px;font-size:18px;}
    .step-card{padding:24px 26px 22px;}
    .step-card h3{font-size:20px;}
  }

  /* ---------- checklist & compare ---------- */
  .compare-grid{display:grid;gap:20px;}
  .compare-col{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding:22px;box-shadow:var(--sh-1);}
  .compare-col.risk{border-color:rgba(242,100,63,.32);background:#FFF9F6;}
  .compare-col h3{font-size:17px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:10px;}
  .dot-ok,.dot-risk{width:10px;height:10px;border-radius:50%;display:inline-block;}
  .dot-ok{background:var(--brand-600);}
  .dot-risk{background:var(--accent-500);}
  .compare-col li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.95;color:#33453F;}
  .compare-col li+li{margin-top:6px;}
  .compare-col li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--brand-600);font-size:12px;}
  .compare-col.risk li::before{content:"\f071";color:var(--accent-500);}
  @media(min-width:768px){ .compare-grid{grid-template-columns:1fr 1fr;gap:24px;} }

  .checklist{display:grid;gap:14px;margin-top:32px;}
  .check-item{
    display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .check-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,135,107,.3);}
  .check-item i{
    flex-shrink:0;width:34px;height:34px;border-radius:10px;background:#EAF4F0;color:var(--brand-600);
    display:flex;align-items:center;justify-content:center;font-size:14px;
  }
  .check-item h4{margin:0 0 4px;font-size:15.5px;font-weight:700;}
  .check-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.8;}
  @media(min-width:768px){ .checklist{grid-template-columns:1fr 1fr;} }

  /* ---------- faq ---------- */
  .faq-wrap{max-width:820px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand-600);}
  .faq-q i{flex-shrink:0;color:var(--brand-600);transition:transform .25s ease;font-size:15px;}
  .faq-item.open .faq-q i{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{margin:0;padding:0 4px 22px 34px;font-size:15px;line-height:1.85;color:var(--muted);}
  @media(max-width:600px){ .faq-a p{padding-left:4px;} }

  /* ---------- cta ---------- */
  .cta-panel{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    background-image:linear-gradient(120deg,rgba(10,63,52,.96),rgba(18,135,107,.9));
    color:#fff;padding:34px 26px;box-shadow:var(--sh-3);
  }
  .cta-panel::after{
    content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,180,74,.34),transparent 68%);
  }
  .cta-panel h2{font-size:24px;line-height:1.35;font-weight:800;margin:0 0 12px;position:relative;}
  .cta-panel p{margin:0 0 22px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.85);max-width:620px;position:relative;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;}
  .btn-light{background:#fff;color:var(--brand-900);padding:12px 22px;font-size:15px;}
  .btn-light:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;padding:12px 22px;font-size:15px;}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}
  .cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.7);position:relative;}
  @media(min-width:768px){ .cta-panel{padding:48px 46px;} .cta-panel h2{font-size:28px;} }

  /* ---------- back links ---------- */
  .back-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center;}
  .back-links a{
    display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;
    padding:11px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand-900);
    box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  }
  .back-links a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-400);color:var(--brand-600);}

  /* ---------- modal ---------- */
  .modal-mask{
    position:fixed;inset:0;background:rgba(10,63,52,.5);z-index:120;
    display:flex;align-items:center;justify-content:center;padding:18px;
    opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;
  }
  .modal-mask.open{opacity:1;visibility:visible;}
  .modal-panel{
    width:100%;max-width:520px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);
    padding:26px 24px 24px;transform:translateY(14px);transition:transform .18s ease;max-height:92vh;overflow:auto;
  }
  .modal-mask.open .modal-panel{transform:translateY(0);}
  .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px;}
  .modal-head h3{margin:0 0 6px;font-size:20px;font-weight:800;}
  .modal-head p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.75;}
  .modal-close{
    flex-shrink:0;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--muted);
    transition:color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .modal-close:hover{color:var(--accent-500);border-color:var(--accent-500);transform:rotate(90deg);}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:#263833;}
  .field .req{color:var(--accent-500);margin-left:4px;}
  .field input,.field textarea{
    width:100%;height:44px;padding:0 13px;border:1px solid var(--line);border-radius:var(--r-sm);
    background:#FCFBF8;color:var(--ink);outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .field textarea{height:auto;min-height:96px;padding:11px 13px;line-height:1.75;resize:vertical;}
  .field input:focus,.field textarea:focus{border-color:var(--brand-400);background:#fff;box-shadow:0 0 0 3px rgba(47,169,138,.14);}
  .field.error input{border-color:var(--accent-500);}
  .field .err-msg{display:none;font-size:12px;color:var(--accent-500);margin-top:6px;}
  .field.error .err-msg{display:block;}
  .privacy-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin:4px 0 18px;}
  .privacy-row input{width:16px;height:16px;margin-top:2px;accent-color:var(--brand-600);}
  .modal-foot{font-size:12px;color:#8B9793;line-height:1.7;margin:14px 0 0;text-align:center;}
  .modal-submit{width:100%;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.82);padding:56px 0 26px;margin-top:20px;}
  .footer-grid{display:grid;gap:32px;}
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-logo .logo-mark{background:var(--grad-hot);}
  .footer-logo .logo-text{color:#fff;font-size:18px;font-weight:700;}
  .footer-about{margin:0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:380px;}
  .footer-col h4{margin:0 0 16px;font-size:15px;font-weight:700;color:#fff;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
  .footer-col a{transition:color .2s ease;}
  .footer-col a:hover{color:var(--brand-400);}
  .footer-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12.5px;color:rgba(255,255,255,.62);
  }
  @media(min-width:768px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;} }

/* roulang page: category2 */
:root{
    --brand-900:#0A3F34;
    --brand-600:#12876B;
    --brand-400:#2FA98A;
    --accent-500:#F2643F;
    --gold-400:#E8B44A;
    --bg:#F7F5F0;
    --card:#FFFFFF;
    --ink:#14241F;
    --muted:#5C6B66;
    --line:#E4E1D8;
    --soft:#F1EFE9;
    --grad-brand:linear-gradient(120deg,#0A3F34,#12876B 55%,#2FA98A);
    --grad-hot:linear-gradient(120deg,#F2643F,#E8B44A);
    --sh-1:0 1px 2px rgba(20,36,31,.05);
    --sh-2:0 8px 24px rgba(20,36,31,.07);
    --sh-3:0 18px 44px rgba(10,63,52,.14);
    --r-xl:24px;
    --r-lg:20px;
    --r-md:16px;
    --r-sm:12px;
    --pad-sec:80px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;border:none;background:none;cursor:pointer;}
  input,textarea{font:inherit;color:inherit;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}

  /* ============ header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-1);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-2);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
    color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.02em;
  }
  .logo-text{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.01em;}
  .nav-desktop{display:flex;align-items:center;gap:26px;}
  .nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 0;transition:color .2s ease;}
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
    background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--brand-900);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand-900);font-weight:600;}
  .nav-link.active::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:12px;}
  .search-box{
    display:flex;align-items:center;gap:8px;width:220px;height:42px;padding:0 14px;
    border:1px solid var(--line);border-radius:var(--r-sm);background:#FAF9F6;color:var(--muted);
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .search-box:focus-within{border-color:var(--brand-600);background:#fff;box-shadow:0 0 0 3px rgba(18,135,107,.12);}
  .search-box input{flex:1;min-width:0;border:none;background:transparent;outline:none;font-size:14px;}
  .search-box input::placeholder{color:#9AA6A1;}
  .hamburger{
    display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
    align-items:center;justify-content:center;color:var(--brand-900);transition:border-color .2s,background .2s;
  }
  .hamburger:hover{border-color:var(--brand-400);background:#FAF9F6;}

  /* ============ buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-sm);font-weight:600;font-size:15px;padding:12px 22px;
    transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--grad-brand);background-size:170% 100%;color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background-position:100% 0;}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
  .btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand-900);}
  .btn-ghost:hover{border-color:var(--brand-400);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-light{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.34);color:#fff;}
  .btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-1px);}
  .btn-sm{padding:10px 16px;font-size:14px;}
  .btn-block{width:100%;}
  .btn[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}

  /* ============ page hero ============ */
  .page-hero{position:relative;overflow:hidden;background:var(--brand-900);color:#fff;padding:56px 0 76px;}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-1.webp);
    background-size:cover;background-position:center;opacity:.3;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(10,63,52,.95),rgba(10,63,52,.78) 52%,rgba(47,169,138,.5));
  }
  .hero-inner{position:relative;z-index:1;max-width:860px;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;position:relative;z-index:1;}
  .crumb a:hover{color:#fff;}
  .crumb .sep{opacity:.5;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
    font-size:12px;letter-spacing:.06em;margin-bottom:18px;
  }
  .hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold-400);display:block;}
  .page-hero h1{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.02em;margin-bottom:16px;}
  .hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.84);max-width:680px;}
  .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
    border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.9);
  }
  .hero-badge svg{width:14px;height:14px;}

  /* ============ sections ============ */
  .section{padding:var(--pad-sec) 0;}
  .section-tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:780px;margin-bottom:36px;}
  .section-head h2{
    position:relative;padding-left:16px;font-size:28px;line-height:1.35;font-weight:800;letter-spacing:-.01em;margin-bottom:14px;
  }
  .section-head h2::before{
    content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;background:var(--grad-brand);
  }
  .section-head p{font-size:15px;color:var(--muted);line-height:1.85;}
  .lead-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1);}
  .lead-block p{font-size:16px;line-height:1.95;color:#36443F;}
  .lead-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px;padding-top:22px;border-top:1px dashed var(--line);}
  .lead-meta div{min-width:120px;}
  .lead-meta span{display:block;font-size:12px;letter-spacing:.06em;color:var(--muted);margin-bottom:4px;}
  .lead-meta strong{font-size:20px;font-weight:800;color:var(--brand-900);}

  /* ============ card grid ============ */
  .card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr);}}
  .info-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
    box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%;
    display:flex;flex-direction:column;
  }
  .info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,135,107,.32);}
  .icon-block{
    width:44px;height:44px;border-radius:14px;background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;margin-bottom:18px;flex:none;
  }
  .icon-block svg{width:20px;height:20px;}
  .info-card h3{font-size:20px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em;}
  .info-card .card-desc{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:16px;}
  .dot-list{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}
  .dot-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:#3C4A45;}
  .dot-list li::before{
    content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--grad-hot);
  }
  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);
    margin-top:auto;transition:gap .2s ease,color .2s ease;
  }
  .text-link:hover{gap:10px;color:var(--brand-900);}
  .card-media{border-radius:var(--r-md);overflow:hidden;margin-bottom:20px;border:1px solid var(--line);}
  .card-media img{width:100%;height:170px;object-fit:cover;transition:transform .4s ease;}
  .info-card:hover .card-media img{transform:scale(1.04);}

  /* ============ compare table ============ */
  .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-1);}
  table.compare{width:100%;border-collapse:collapse;min-width:680px;}
  table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top;}
  table.compare thead th{
    background:var(--soft);font-size:13px;letter-spacing:.06em;color:var(--brand-900);font-weight:700;white-space:nowrap;
  }
  table.compare tbody tr:last-child td{border-bottom:none;}
  table.compare tbody tr:hover{background:#FBFAF7;}
  table.compare td:first-child{font-weight:600;color:var(--brand-900);white-space:nowrap;}
  .tag-ok{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--brand-600);
    background:rgba(18,135,107,.1);border-radius:999px;padding:3px 10px;margin-bottom:6px;
  }
  .tag-warn{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent-500);
    background:rgba(242,100,63,.1);border-radius:999px;padding:3px 10px;margin-bottom:6px;
  }
  .table-note{font-size:13px;color:var(--muted);margin-top:14px;}

  /* ============ check list rows ============ */
  .row-list{display:flex;flex-direction:column;gap:14px;}
  .row-item{
    display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);padding:18px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .row-item:hover{transform:translateX(4px);box-shadow:var(--sh-1);border-color:rgba(18,135,107,.3);}
  .row-num{
    flex:none;width:30px;height:30px;border-radius:10px;background:var(--soft);color:var(--brand-900);
    display:grid;place-items:center;font-size:13px;font-weight:800;
  }
  .row-body h4{font-size:16px;font-weight:700;margin-bottom:4px;}
  .row-body p{font-size:14px;line-height:1.8;color:var(--muted);}

  /* ============ faq ============ */
  .faq-wrap{max-width:820px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none;transition:color .2s ease;
  }
  .faq-item summary:hover{color:var(--brand-600);}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{position:relative;width:20px;height:20px;flex:none;}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
  }
  .faq-icon::before{left:0;right:0;top:9px;height:2px;}
  .faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
  .faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
  .faq-answer{padding:0 44px 24px 0;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ============ cta ============ */
  .cta-card{
    position:relative;overflow:hidden;background:var(--brand-900);border-radius:var(--r-xl);
    padding:48px 36px;color:#fff;
  }
  .cta-card::before{
    content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
    background:radial-gradient(circle,rgba(47,169,138,.55),transparent 68%);
  }
  .cta-card::after{
    content:"";position:absolute;width:360px;height:360px;left:-140px;bottom:-200px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,180,74,.32),transparent 70%);
  }
  .cta-inner{position:relative;z-index:1;max-width:660px;}
  .cta-inner h2{font-size:28px;font-weight:800;letter-spacing:-.01em;margin-bottom:14px;}
  .cta-inner p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.82);}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .cta-foot{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.68);}
  .cta-foot a{border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px;transition:color .2s,border-color .2s;}
  .cta-foot a:hover{color:#fff;border-color:#fff;}

  /* ============ modal ============ */
  .modal-mask{
    position:fixed;inset:0;background:rgba(10,32,27,.55);z-index:100;
    opacity:0;visibility:hidden;transition:opacity .18s ease;
  }
  .modal-mask.is-open{opacity:1;visibility:visible;}
  .modal-panel{
    position:fixed;left:50%;top:50%;z-index:101;
    width:min(520px,calc(100% - 32px));max-height:90vh;overflow-y:auto;
    background:#fff;border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:28px;
    transform:translate(-50%,calc(-50% + 14px));opacity:0;visibility:hidden;
    transition:opacity .18s ease,transform .18s ease;
  }
  .modal-panel.is-open{opacity:1;visibility:visible;transform:translate(-50%,-50%);}
  .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px;}
  .modal-head h3{font-size:20px;font-weight:800;letter-spacing:-.01em;}
  .modal-close{
    width:34px;height:34px;border-radius:10px;border:1px solid var(--line);color:var(--muted);
    display:grid;place-items:center;flex:none;transition:border-color .2s,color .2s,background .2s;
  }
  .modal-close:hover{border-color:var(--brand-400);color:var(--brand-900);background:#FAF9F6;}
  .modal-sub{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:22px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;}
  .field label .req{color:var(--accent-500);margin-left:2px;}
  .field input,.field textarea{
    width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
    background:#FAF9F6;transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);background:#fff;box-shadow:0 0 0 3px rgba(18,135,107,.12);}
  .field.has-error input,.field.has-error textarea{border-color:var(--accent-500);background:#FFF7F5;}
  .field-error{display:none;font-size:12px;color:var(--accent-500);margin-top:6px;}
  .field.has-error .field-error{display:block;}
  .privacy-row{display:flex;gap:10px;align-items:flex-start;margin:20px 0 22px;font-size:13px;color:var(--muted);line-height:1.7;}
  .privacy-row input{width:16px;height:16px;margin-top:3px;flex:none;accent-color:var(--brand-600);}
  .privacy-row a{color:var(--brand-600);border-bottom:1px solid rgba(18,135,107,.4);}
  .modal-foot{font-size:12px;color:var(--muted);line-height:1.75;margin-top:14px;}
  .modal-hint{font-size:12px;color:var(--muted);margin-top:10px;}

  /* ============ drawer ============ */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(10,32,27,.5);z-index:110;
    opacity:0;visibility:hidden;transition:opacity .25s ease;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:120;
    transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
    padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;box-shadow:var(--sh-3);
  }
  .drawer.is-open{transform:none;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-head .logo-text{font-size:16px;}
  .drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);}
  .drawer-close:hover{border-color:var(--brand-400);color:var(--brand-900);}
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav a{
    display:flex;align-items:center;min-height:48px;font-size:15px;color:var(--ink);
    border-bottom:1px solid var(--line);transition:color .2s ease,padding-left .2s ease;
  }
  .drawer-nav a:hover{color:var(--brand-600);padding-left:4px;}
  .drawer-nav a.active{color:var(--brand-600);font-weight:600;}

  /* ============ footer ============ */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}}
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-logo .logo-text{color:#fff;}
  .footer-about{font-size:14px;line-height:1.85;max-width:380px;}
  .footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
  .footer-col a:hover{color:var(--brand-400);}
  .footer-bottom{
    margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
  }

  @media (max-width:1023px){
    .nav-desktop,.header-actions .search-box{display:none;}
    .hamburger{display:inline-flex;}
  }
  @media (max-width:768px){
    :root{--pad-sec:48px;}
    .page-hero{padding:40px 0 56px;}
    .page-hero h1{font-size:28px;line-height:1.35;}
    .hero-sub{font-size:15px;}
    .section-head h2{font-size:23px;}
    .cta-card{padding:34px 22px;}
    .cta-inner h2{font-size:23px;}
    .lead-block{padding:24px 20px;}
    .info-card{padding:22px 20px;}
    .faq-answer{padding-right:0;}
  }
  @media (max-width:560px){
    .header-cta{display:none;}
    .logo-text{font-size:16px;}
    .logo-mark{width:34px;height:34px;}
    .cta-actions .btn{width:100%;}
  }