/* roulang page: index */
:root{
  --c-primary:#0E8F5A;
  --c-primary-d:#0B7349;
  --c-primary-l:#EAF6EF;
  --c-accent:#FF7A2F;
  --c-lime:#B7E24A;
  --grad-brand:linear-gradient(115deg,#0E8F5A 0%,#3FBF5F 55%,#B7E24A 100%);
  --grad-cta:linear-gradient(100deg,#FF7A2F 0%,#FFB020 100%);
  --bg-page:#F6F8F4;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F8F2;
  --c-ink:#0E1C16;
  --c-sub:#5B6B62;
  --c-line:#E4EBE5;
  --c-danger:#D8452F;
  --r-sm:16px;
  --r-md:20px;
  --r-lg:26px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,28,22,.08);
  --sh-2:0 16px 36px rgba(14,28,22,.14);
  --sh-nav:0 2px 10px rgba(14,28,22,.06);
  --nav-h:70px;
  --sp-sec:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg-page);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:0;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
[id]{scroll-margin-top:96px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-sec) 0;}
.section--soft{background:var(--bg-soft);}
.section--white{background:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;border:1px solid transparent;
  transition:all .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,143,90,.24);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,143,90,.3);}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.34);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(14,143,90,.42);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary);transform:translateY(-1px);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-white{background:#fff;color:var(--c-primary);}
.btn-white:hover{background:#F2FBF5;color:var(--c-primary-d);transform:translateY(-1px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:700;font-size:14px;}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover{color:var(--c-primary-d);text-decoration:underline;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);box-shadow:var(--sh-nav);
}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;height:var(--nav-h);
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:18px;box-shadow:0 6px 14px rgba(14,143,90,.26);
}
.brand-text{font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:.2px;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:var(--nav-h);
  padding:0 14px;font-size:15px;font-weight:600;color:#31433A;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:var(--c-primary);transform:scaleX(0);transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:14px;color:#8A9A91;font-size:14px;pointer-events:none;}
.nav-search input{
  width:230px;height:40px;padding:0 14px 0 36px;border-radius:var(--r-pill);
  background:#F1F5F0;border:1px solid transparent;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:#93A29A;}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,90,.14);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;color:var(--c-ink);font-size:18px;
  border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle:hover{color:var(--c-primary);border-color:var(--c-primary);}
.nav-drawer{
  display:none;border-top:1px solid var(--c-line);background:#fff;
  padding:16px 24px 22px;
}
.nav-drawer.is-open{display:block;}
.drawer-search{position:relative;display:flex;align-items:center;margin-bottom:10px;}
.drawer-search i{position:absolute;left:14px;color:#8A9A91;font-size:14px;}
.drawer-search input{
  width:100%;height:44px;padding:0 14px 0 36px;border-radius:12px;
  background:#F1F5F0;border:1px solid var(--c-line);font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,90,.14);}
.drawer-link{
  display:flex;align-items:center;height:48px;font-size:15px;font-weight:600;
  color:#31433A;border-bottom:1px solid var(--c-line);
}
.drawer-link.is-active{color:var(--c-primary);}
.drawer-cta{margin-top:16px;width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EDF6EF 0%,#F6F8F4 100%);
  padding:56px 0 64px;
}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,226,74,.34) 0%,rgba(183,226,74,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.02fr .98fr;
  gap:52px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);background:#fff;
  color:var(--c-primary);font-size:13px;font-weight:700;border:1px solid rgba(14,143,90,.22);
  box-shadow:var(--sh-1);
}
.hero-tag i{color:var(--c-accent);}
.hero h1{
  margin:20px 0 0;font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.2;color:var(--c-ink);
}
.hero-sub{margin-top:16px;font-size:18px;font-weight:700;color:var(--c-primary-d);}
.hero-desc{margin-top:14px;font-size:16px;color:var(--c-sub);max-width:560px;}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
}
.stat{
  position:relative;background:#fff;border-radius:var(--r-sm);padding:16px 14px 16px 18px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);
}
.stat b{
  display:block;font-size:32px;line-height:1.1;font-weight:800;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:4px;font-size:13px;color:var(--c-sub);}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  min-height:340px;background:var(--bg-soft);
}
.hero-visual img{width:100%;height:430px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(14,143,90,.46) 0%,rgba(14,28,22,.14) 52%,rgba(183,226,74,.30) 100%);
}
.hero-badge{
  position:absolute;left:22px;bottom:22px;z-index:2;background:rgba(255,255,255,.94);
  border-radius:var(--r-sm);padding:12px 18px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:10px;
}
.hero-badge i{color:var(--c-accent);font-size:18px;}
.hero-badge span{font-size:13px;font-weight:700;color:var(--c-ink);}

/* ---------- 板块标题 ---------- */
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-primary);letter-spacing:.4px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-brand);}
.section-head.center .eyebrow::before{display:none;}
.section-head h2{
  position:relative;margin-top:12px;font-size:clamp(24px,3vw,32px);padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-brand);
}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}
.section-head p{margin-top:14px;color:var(--c-sub);font-size:16px;}
.section-head.center p{margin-left:auto;margin-right:auto;}

/* ---------- 卖点三连 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.value-card{
  background:#fff;border-radius:var(--r-lg);padding:32px 28px;box-shadow:var(--sh-1);
  border:1px solid var(--c-line);transition:transform .24s ease,box-shadow .24s ease;
}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.value-card.is-raised{transform:translateY(-12px);background:var(--bg-soft);border-color:rgba(14,143,90,.2);}
.value-card.is-raised:hover{transform:translateY(-15px);}
.value-icon{
  width:54px;height:54px;border-radius:16px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;
  box-shadow:0 10px 20px rgba(14,143,90,.24);
}
.value-card h3{margin-top:20px;font-size:21px;}
.value-card p{margin-top:12px;color:var(--c-sub);font-size:15px;}
.value-card ul{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.value-card li{position:relative;padding-left:22px;font-size:14px;color:#31433A;}
.value-card li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-brand);
}

/* ---------- 场景演示 ---------- */
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:32px 0;
}
.scene + .scene{border-top:1px dashed var(--c-line);}
.scene:nth-child(even) .scene-media{order:2;}
.scene-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--c-ink);color:#fff;font-weight:800;font-size:15px;
}
.scene h3{margin-top:16px;font-size:22px;}
.scene p{margin-top:12px;color:var(--c-sub);font-size:15px;}
.scene-list{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);font-size:13px;color:#31433A;font-weight:600;
}
.chip i{color:var(--c-primary);font-size:12px;}
.scene-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:var(--bg-soft);
}
.scene-media img{width:100%;height:320px;object-fit:cover;transition:transform .5s ease;}
.scene-media:hover img{transform:scale(1.03);}

/* ---------- 社会认同 ---------- */
.proof-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);
  border:1px solid var(--c-line);margin-bottom:36px;
}
.proof-item{text-align:center;padding:8px 6px;}
.proof-item b{
  display:block;font-size:34px;font-weight:800;line-height:1.1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.proof-item span{display:block;margin-top:6px;font-size:13px;color:var(--c-sub);}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.quote-card{
  background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);
  border:1px solid var(--c-line);position:relative;transition:transform .24s ease,box-shadow .24s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.quote-mark{font-size:30px;color:var(--c-lime);line-height:1;}
.quote-card p{margin-top:14px;font-size:15px;color:#31433A;}
.quote-user{margin-top:22px;display:flex;align-items:center;gap:12px;}
.quote-avatar{
  width:42px;height:42px;border-radius:50%;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;
}
.quote-user b{display:block;font-size:14px;}
.quote-user span{display:block;font-size:12.5px;color:var(--c-sub);}

/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);border:1px solid var(--c-line);
  transition:transform .24s ease,box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.post-thumb{display:block;overflow:hidden;background:var(--bg-soft);aspect-ratio:16/9;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-sub);}
.post-cat{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:10px;
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:12.5px;font-weight:700;
}
.post-title{margin-top:14px;font-size:18px;font-weight:800;line-height:1.45;}
.post-title a:hover{color:var(--c-primary);}
.post-summary{
  margin-top:10px;font-size:14.5px;color:var(--c-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:56px 24px;background:#fff;border:1px dashed var(--c-line);
  border-radius:var(--r-lg);color:var(--c-sub);text-align:center;
}
.empty-state i{font-size:30px;color:var(--c-lime);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border-radius:var(--r-sm);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--c-ink);background:none;
}
.faq-num{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;background:var(--c-primary-l);
  color:var(--c-primary-d);font-size:13px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
}
.faq-q span.faq-text{flex:1;}
.faq-q i{color:var(--c-sub);font-size:14px;transition:transform .24s ease,color .24s ease;}
.faq-item.is-open .faq-q{color:var(--c-primary);box-shadow:inset 4px 0 0 var(--c-primary);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{display:none;padding:0 22px 22px 64px;font-size:15px;line-height:1.8;color:var(--c-sub);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- 收口 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-brand);color:#fff;padding:56px 48px;
  display:grid;grid-template-columns:1.2fr auto;gap:32px;align-items:center;
  box-shadow:0 20px 46px rgba(14,143,90,.24);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);}
.cta-card p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.92);max-width:640px;}
.cta-card .cta-side{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-card .cta-note{font-size:13px;color:rgba(255,255,255,.85);}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1C16;color:#C9D6CE;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 44px;
}
.brand-light .brand-text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:#9DAEA5;max-width:340px;}
.footer-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);
  font-size:12.5px;color:#C9D6CE;
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;}
.footer-col li + li{margin-top:12px;}
.footer-col a{font-size:14px;color:#9DAEA5;}
.footer-col a:hover{color:var(--c-lime);}
.footer-contact li{font-size:14px;color:#9DAEA5;display:flex;align-items:center;gap:8px;}
.footer-contact i{color:var(--c-lime);font-size:13px;width:16px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;}
.footer-bottom .container{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7E8F87;
}
.footer-bottom a{color:#9DAEA5;}
.footer-bottom a:hover{color:var(--c-lime);}

/* ---------- 固定转化条 ---------- */
.float-bar{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:flex;align-items:center;gap:14px;
  padding:12px 14px 12px 20px;border-radius:var(--r-pill);
  background:var(--grad-cta);color:#fff;box-shadow:0 16px 34px rgba(255,122,47,.34);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-bar.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-text{font-size:14px;font-weight:700;}
.float-close{
  width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.24);
  color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;
}
.float-close:hover{background:rgba(255,255,255,.4);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .nav-search input{width:180px;}
}
@media screen and (max-width:1023px){
  :root{--sp-sec:56px;}
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn-primary{display:none;}
  .hero{padding:44px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{order:-1;}
  .hero-visual img{height:300px;}
  .value-grid{grid-template-columns:1fr 1fr;}
  .value-card.is-raised{transform:none;}
  .value-card.is-raised:hover{transform:translateY(-3px);}
  .scene{grid-template-columns:1fr;gap:24px;}
  .scene:nth-child(even) .scene-media{order:0;}
  .scene-media img{height:260px;}
  .proof-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:22px;}
  .quote-grid{grid-template-columns:1fr 1fr;}
  .post-grid{grid-template-columns:1fr 1fr;}
  .cta-card{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
}
@media screen and (max-width:767px){
  :root{--sp-sec:44px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .nav-wrap{padding:0 18px;height:64px;}
  .brand-text{font-size:16.5px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat b{font-size:26px;}
  .value-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .faq-q{padding:16px 16px;font-size:15px;gap:10px;}
  .faq-a{padding:0 16px 18px 16px;}
  .cta-card{padding:34px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 30px;}
  .float-bar{
    left:0;right:0;bottom:0;border-radius:0;padding:10px 16px;
    justify-content:space-between;transform:translateY(100%);
  }
  .float-bar.is-show{transform:translateY(0);}
  .float-text{font-size:13px;}
}
@media screen and (max-width:520px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px;}
  .stat{padding:12px 10px 12px 16px;}
  .stat b{font-size:24px;}
  .stat span{font-size:12px;}
  .proof-item b{font-size:28px;}
}

/* roulang page: article */
:root{
  --c-primary:#0E8F5A;
  --c-primary-dark:#0A7048;
  --c-accent:#FF7A2F;
  --c-lime:#B7E24A;
  --grad-brand:linear-gradient(115deg,#0E8F5A 0%,#3FBF5F 52%,#B7E24A 100%);
  --grad-cta:linear-gradient(100deg,#FF7A2F 0%,#FFB020 100%);
  --grad-soft:linear-gradient(115deg,#0E8F5A 0%,#3FBF5F 60%,#B7E24A 100%);
  --bg-page:#F6F8F4;
  --bg-soft:#F0F8F2;
  --bg-chip:#F1F5F0;
  --card:#FFFFFF;
  --ink:#0E1C16;
  --ink-2:#38463D;
  --muted:#5B6B62;
  --line:#E4EBE5;
  --danger:#D8452F;
  --r-sm:16px;
  --r-md:22px;
  --r-lg:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(14,28,22,.08);
  --sh-hover:0 16px 36px rgba(14,28,22,.14);
  --sh-nav:0 2px 10px rgba(14,28,22,.06);
  --gap:24px;
  --sec-pad:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg-page);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease}
a:hover{color:var(--c-primary-dark)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:800;color:var(--ink);letter-spacing:0}
h1{font-size:clamp(28px,3.6vw,42px)}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:20px}
button,input,textarea,select{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-pad) 0}
.section-tight{padding:48px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary);background:var(--bg-soft);border:1px solid #D8EBDD;padding:6px 14px;border-radius:var(--r-pill);margin-bottom:14px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.text-muted{color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:90;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--sh-nav);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(14,143,90,.28);flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.brand-light .brand-text,.brand-light{color:#fff}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 13px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .15s ease,background-color .15s ease;
}
.nav-link:hover{color:var(--c-primary);background:#F1F7F2}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-form{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;background:var(--bg-chip);border:1px solid transparent;border-radius:var(--r-pill);transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease}
.search-form:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,90,.14)}
.search-form i{color:var(--muted);font-size:14px}
.search-form input{border:0;background:transparent;outline:none;font-size:14px;width:148px;color:var(--ink)}
.search-form input::placeholder{color:#93A39A}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:18px;
}
.nav-toggle:hover{background:var(--bg-chip)}
.nav-drawer-extra{display:none}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,122,47,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(14,143,90,.26)}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(14,143,90,.32)}
.btn-ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:#EAF6EF;color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ Chips / Badges ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;
  background:var(--bg-soft);color:var(--c-primary);border:1px solid #D8EBDD;
}
.chip-accent{background:#FFF3EA;color:#D9621C;border-color:#FFDDC6}
.chip-gray{background:var(--bg-chip);color:var(--muted);border-color:var(--line)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6D3CA}
.badge-stat{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:18px 20px 18px 24px;box-shadow:var(--sh);overflow:hidden;
}
.badge-stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand)}
.badge-stat .num{font-size:32px;font-weight:800;line-height:1.1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.badge-stat .lbl{font-size:13px;color:var(--muted);margin-top:4px}

/* ============ Page hero (article) ============ */
.page-hero{
  position:relative;padding:30px 0 44px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#EDF6F0 0%,#F6F8F4 100%);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
  opacity:.13;pointer-events:none;
}
.page-hero>.container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#B9C7BD}
.breadcrumb .current{color:var(--ink-2);font-weight:600;max-width:min(520px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{max-width:900px;margin-bottom:18px}
.page-hero .lede{max-width:760px;color:var(--muted);font-size:17px;margin-bottom:20px}

/* ============ Article layout ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-main{min-width:0}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh);
}
.article-body{max-width:820px;font-size:16.5px;line-height:1.9;color:var(--ink-2)}
.article-body h2{
  position:relative;font-size:26px;color:var(--ink);margin:1.7em 0 .7em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad-brand);
}
.article-body h3{font-size:20px;color:var(--ink);margin:1.5em 0 .6em;font-weight:700}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:.6em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;
  background:var(--bg-soft);color:var(--c-primary);font-size:12px;font-weight:800;
  display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--bg-soft);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:1.4em 0;box-shadow:var(--sh)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body thead th{background:var(--bg-soft);color:var(--ink);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFCFA}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body a{font-weight:600;text-decoration:underline;text-decoration-color:rgba(14,143,90,.35);text-underline-offset:3px}
.article-body a:hover{text-decoration-color:var(--c-primary)}

.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh);
}
.empty-state .icon{
  width:64px;height:64px;border-radius:20px;background:var(--bg-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:26px;margin:0 auto 18px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ============ Sidebar ============ */
.side-stack{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh)}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--c-primary)}
.side-list li+li{margin-top:10px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;background:var(--bg-chip);color:var(--ink-2);
  font-size:14px;font-weight:600;transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.side-list a i{color:var(--c-primary);font-size:12px}
.side-list a:hover{background:#EAF6EF;color:var(--c-primary);transform:translateX(2px)}
.side-tips li{position:relative;padding-left:20px;font-size:14px;color:var(--muted);margin-bottom:10px}
.side-tips li::before{content:"";position:absolute;left:2px;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--c-lime)}
.side-cta{
  background:var(--grad-brand);color:#fff;border-radius:var(--r-md);padding:24px;
  box-shadow:0 14px 30px rgba(14,143,90,.28);
}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:8px}
.side-cta p{color:rgba(255,255,255,.9);font-size:14px;margin-bottom:16px}
.side-cta .btn{width:100%;background:#fff;color:var(--c-primary);height:44px;font-size:14px}
.side-cta .btn:hover{background:#F4FBF6;color:var(--c-primary-dark)}

/* ============ Cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .tag{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;margin-bottom:10px;line-height:1.4}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--c-primary)}
.card-body p{color:var(--muted);font-size:14.5px;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}

/* ============ Prev / Next ============ */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}
.pager a{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.pager .pager-lbl{font-size:13px;color:var(--muted);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.pager .pager-title{font-size:16px;font-weight:700;color:var(--ink)}
.pager a:hover .pager-title{color:var(--c-primary)}

/* ============ FAQ ============ */
.faq-accordion{margin:0;background:transparent;border:0;list-style:none}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--sh);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease;
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-item.is-active{box-shadow:inset 4px 0 0 var(--c-primary),var(--sh)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;gap:12px;padding:18px 22px;border:0;background:transparent;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-accordion .accordion-title:hover{background:#FAFCFA;color:var(--c-primary)}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--c-primary)}
.faq-accordion .accordion-title::before{font-size:22px;color:var(--c-primary);opacity:.65;right:1.2rem}
.faq-num{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:var(--bg-soft);color:var(--c-primary);
  font-size:13px;font-weight:800;display:grid;place-items:center;
}
.faq-accordion .accordion-content{padding:0 22px 20px 62px;border:0;background:transparent;color:var(--muted);line-height:1.85;font-size:15px}
.faq-accordion .accordion-content p{margin-bottom:.7em}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-soft);color:#fff;padding:48px 44px;box-shadow:0 20px 44px rgba(14,143,90,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.92);margin:0;max-width:620px;font-size:15.5px}
.cta-band .btn{background:#fff;color:var(--c-primary);box-shadow:0 12px 26px rgba(0,0,0,.14)}
.cta-band .btn:hover{background:#F4FBF6;color:var(--c-primary-dark);transform:translateY(-1px)}

/* ============ Footer ============ */
.site-footer{background:#0E1C16;color:#C9D6CE;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:60px 24px 40px}
.site-footer .brand{color:#fff;margin-bottom:14px}
.site-footer .brand-mark{box-shadow:0 6px 16px rgba(0,0,0,.35)}
.footer-brand p{font-size:14px;color:#9FB2A7;line-height:1.8;margin-bottom:16px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);color:#B7E24A;border:1px solid rgba(183,226,74,.28);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#9FB2A7}
.footer-col a:hover{color:#B7E24A}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#9FB2A7}
.footer-contact i{color:var(--c-lime);width:16px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0}
.footer-bottom .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:#8397 8C}
.footer-bottom span{color:#83978C}

/* ============ Float bar ============ */
.float-bar{
  position:fixed;right:26px;bottom:26px;z-index:120;display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 24px;border-radius:var(--r-pill);background:var(--grad-cta);color:#fff;
  box-shadow:0 16px 36px rgba(255,122,47,.34);
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease;
}
.float-bar.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-bar .fb-text{font-size:14px;font-weight:600;white-space:nowrap}
.float-bar .fb-btn{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;color:#D9621C;font-size:14px;font-weight:800;white-space:nowrap;
}
.float-bar .fb-btn:hover{color:#B8500F;background:#FFF6EF}
.float-bar .fb-close{
  width:30px;height:30px;border-radius:50%;border:0;background:rgba(255,255,255,.22);color:#fff;
  display:grid;place-items:center;font-size:12px;
}
.float-bar .fb-close:hover{background:rgba(255,255,255,.34)}

/* ============ Responsive ============ */
@media (max-width:1023px){
  :root{--sec-pad:56px}
  .nav-toggle{display:inline-flex}
  .header-right .search-form,.header-right .btn{display:none}
  .nav-menu{
    position:fixed;left:0;right:0;top:69px;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 20px 26px;margin:0;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(14,28,22,.12);
    transform:translateY(-130%);opacity:0;pointer-events:none;transition:transform .3s ease,opacity .3s ease;
    max-height:calc(100vh - 69px);overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:12px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:var(--bg-soft)}
  .nav-drawer-extra{display:block;margin-top:12px;padding-top:16px;border-top:1px solid var(--line)}
  .nav-drawer-extra .search-form{width:100%}
  .nav-drawer-extra .search-form input{width:100%}
  .nav-drawer-extra .btn{width:100%;margin-top:12px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side-stack{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .article-card{padding:26px}
}
@media (max-width:767px){
  :root{--sec-pad:40px}
  .container{padding:0 18px}
  .header-inner{min-height:62px;gap:12px}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
  .brand-text{font-size:16px}
  .nav-menu{top:63px;max-height:calc(100vh - 63px)}
  .page-hero{padding:22px 0 32px}
  .article-card{padding:20px}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{font-size:22px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:32px 24px;border-radius:var(--r-md)}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);padding:44px 18px 32px}
  .footer-bottom .container{flex-direction:column;align-items:flex-start}
  .faq-accordion .accordion-content{padding:0 18px 18px 18px}
  .faq-accordion .accordion-title{padding:16px 18px;font-size:15.5px}
  .float-bar{
    left:0;right:0;bottom:0;border-radius:0;padding:10px 14px;gap:10px;
    background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(14,28,22,.12);
    justify-content:space-between;
  }
  .float-bar .fb-text{font-size:13px;color:var(--ink-2);white-space:normal}
  .float-bar .fb-btn{background:var(--grad-cta);color:#fff;height:40px}
  .float-bar .fb-btn:hover{color:#fff}
  .float-bar .fb-close{background:var(--bg-chip);color:var(--muted);width:26px;height:26px}
  .float-bar .fb-close:hover{background:#E7EEE8}
}
@media (max-width:519px){
  .search-form input{width:120px}
  .badge-stat .num{font-size:26px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E8F5A;
  --c-primary-dark:#0B7349;
  --c-accent:#FF7A2F;
  --c-accent-2:#FFB020;
  --c-lime:#B7E24A;
  --grad-brand:linear-gradient(115deg,#0E8F5A 0%,#3FBF5F 52%,#B7E24A 100%);
  --grad-cta:linear-gradient(100deg,#FF7A2F 0%,#FFB020 100%);
  --bg-page:#F6F8F4;
  --bg-soft:#F0F8F2;
  --c-card:#FFFFFF;
  --c-text:#0E1C16;
  --c-sub:#5B6B62;
  --c-border:#E4EBE5;
  --c-error:#D8452F;
  --r-sm:16px;
  --r-lg:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,28,22,.08);
  --sh-2:0 16px 36px rgba(14,28,22,.14);
  --sh-nav:0 2px 10px rgba(14,28,22,.06);
  --space-sec:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--bg-page);
}
h1,h2,h3,h4{font-weight:700;line-height:1.25;color:var(--c-text);letter-spacing:normal;}
h1{font-size:clamp(30px,4vw,52px);margin:0 0 16px;}
h2{font-size:clamp(24px,2.4vw,32px);margin:0 0 14px;}
h3{font-size:20px;margin:0 0 10px;}
p{margin:0 0 14px;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--c-primary-dark);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--c-border);
  box-shadow:var(--sh-nav);
}
.header-inner{display:flex;align-items:center;gap:18px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;color:var(--c-text);font-weight:800;font-size:18px;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;box-shadow:0 6px 14px rgba(14,143,90,.28);
}
.brand-text{white-space:nowrap;}
.brand-light{color:#fff;}
.brand-light .brand-text{color:#fff;}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--c-sub);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--bg-soft);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  background:#F1F5F0;border:1px solid transparent;border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box i{color:var(--c-sub);font-size:14px;}
.search-box input{
  border:0;background:transparent;outline:none;width:140px;
  font-size:14px;color:var(--c-text);font-family:inherit;
}
.search-box input::placeholder{color:#8A9A90;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,90,.14);background:#fff;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 22px rgba(255,122,47,.28);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,122,47,.34);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-outline:hover{background:#EAF6EF;color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px rgba(14,143,90,.24);}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--c-primary-dark);}
.btn-light:hover{background:#F1F8F3;color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}

.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--c-border);
  background:#fff;border-radius:12px;color:var(--c-text);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;position:fixed;inset:70px 0 0 0;background:#fff;z-index:79;
  padding:20px 24px calc(20px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .search-box{width:100%;margin-bottom:16px;}
.mobile-drawer .search-box input{width:100%;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 4px;border-bottom:1px solid var(--c-border);
  font-size:16px;color:var(--c-text);
}
.drawer-link.is-active{color:var(--c-primary);font-weight:700;}
.drawer-cta{margin-top:22px;}
.drawer-cta .btn{width:100%;}

/* ============ Banner ============ */
.page-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#EAF6EF 0%,#F6F8F4 58%,#FDF3E9 100%);
  padding:56px 0 60px;
}
.page-banner::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;
  border-radius:50%;background:radial-gradient(circle,rgba(183,226,74,.35),rgba(183,226,74,0) 68%);
}
.banner-grid{position:relative;z-index:2;align-items:center;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-sub);margin-bottom:16px;
}
.breadcrumb a{color:var(--c-sub);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{color:#B6C2B9;}
.banner-lead{font-size:17px;color:var(--c-sub);max-width:560px;margin-bottom:22px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;}
.banner-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:16/10;background:#DDEDE2;
}
.banner-figure img{width:100%;height:100%;object-fit:cover;}
.banner-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,28,22,.05) 0%,rgba(14,28,22,.32) 100%);
}
.banner-chip{
  position:absolute;left:18px;bottom:18px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--c-primary-dark);
  font-size:13px;font-weight:700;backdrop-filter:blur(4px);
}

/* ============ Section basics ============ */
.section{padding:var(--space-sec) 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head p{color:var(--c-sub);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--bg-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:14px;
}
.eyebrow i{font-size:12px;}

/* ============ Badges ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  position:relative;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-sm);padding:22px 22px 20px;box-shadow:var(--sh-1);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;
}
.stat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.stat-num{
  font-size:36px;font-weight:800;line-height:1.1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:14px;color:var(--c-sub);margin-top:6px;}

/* ============ Guide layout ============ */
.guide-layout{align-items:flex-start;}
.guide-side{
  position:sticky;top:94px;align-self:flex-start;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.guide-side h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.guide-side h3 i{color:var(--c-primary);}
.toc-list li+li{margin-top:6px;}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:15px;color:var(--c-sub);
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.toc-link .toc-idx{
  width:24px;height:24px;flex:0 0 24px;border-radius:8px;
  background:var(--bg-soft);color:var(--c-primary-dark);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.toc-link:hover{background:var(--bg-soft);color:var(--c-primary-dark);transform:translateX(2px);}
.toc-link.is-active{background:var(--bg-soft);color:var(--c-primary-dark);font-weight:700;}
.toc-link.is-active .toc-idx{background:var(--grad-brand);color:#fff;}

.guide-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:30px 32px;box-shadow:var(--sh-1);margin-bottom:24px;
  scroll-margin-top:96px;
  transition:box-shadow .22s ease,transform .22s ease;
}
.guide-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.guide-card h2{
  display:flex;align-items:flex-start;gap:12px;padding-left:16px;position:relative;
  font-size:26px;margin-bottom:14px;
}
.guide-card h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:var(--grad-brand);
}
.guide-card .card-note{color:var(--c-sub);margin-bottom:18px;font-size:15px;}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:12px;color:#24352C;
}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:4px;
  width:18px;height:18px;border-radius:6px;
  background:var(--bg-soft);color:var(--c-primary);
  font-size:10px;display:flex;align-items:center;justify-content:center;
}
.check-list li:last-child{margin-bottom:0;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg-soft);color:var(--c-primary-dark);font-size:13px;font-weight:600;
}
.tag-accent{background:#FFF1E6;color:#C45612;}

/* ============ Path compare ============ */
.path-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.path-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.path-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.path-media{aspect-ratio:16/9;overflow:hidden;background:#DDEDE2;}
.path-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.path-card:hover .path-media img{transform:scale(1.03);}
.path-body{padding:24px 26px 26px;}
.path-body h3{display:flex;align-items:center;gap:10px;}
.path-body h3 .ico{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.path-body p{color:var(--c-sub);font-size:15px;margin-bottom:0;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--c-primary);opacity:0;transition:opacity .2s ease;
}
.faq-item[open]::before{opacity:1;}
.faq-item summary{
  display:flex;align-items:center;gap:12px;cursor:pointer;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-text);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  flex:0 0 30px;width:30px;height:30px;border-radius:10px;
  background:var(--bg-soft);color:var(--c-primary-dark);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.faq-item[open] summary{color:var(--c-primary-dark);}
.faq-item[open] .faq-num{background:var(--grad-brand);color:#fff;}
.faq-arrow{margin-left:auto;color:var(--c-sub);font-size:13px;transition:transform .2s ease;}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--c-primary);}
.faq-body{padding:0 22px 20px 64px;color:var(--c-sub);line-height:1.8;font-size:15px;}
.faq-body p{margin:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-brand);padding:52px 48px;color:#fff;
  box-shadow:0 22px 46px rgba(14,143,90,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;gap:32px;flex-wrap:wrap;}
.cta-text{flex:1 1 460px;}
.cta-text h2{color:#fff;font-size:30px;margin-bottom:10px;}
.cta-text p{color:rgba(255,255,255,.9);margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ Footer ============ */
.site-footer{background:#0E1C16;color:#C9D6CF;margin-top:0;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;}
.footer-brand p{color:#9FB1A7;font-size:14px;margin:16px 0 18px;max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);color:#C9D6CF;
}
.footer-col h4{color:#fff;font-size:16px;margin:0 0 16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#9FB1A7;font-size:14px;}
.footer-col a:hover{color:var(--c-lime);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#9FB1A7;}
.footer-contact i{color:var(--c-lime);width:16px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#879A90;}

/* ============ Float CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:90;
  display:flex;align-items:center;gap:16px;
  background:var(--grad-cta);color:#fff;
  padding:12px 16px 12px 24px;border-radius:var(--r-pill);
  box-shadow:0 16px 34px rgba(255,122,47,.34);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
  max-width:calc(100vw - 56px);
}
body.show-float .float-cta{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta.is-closed{display:none;}
.float-cta-text{font-size:14px;font-weight:600;}
.float-cta .btn{background:#fff;color:#C45612;height:42px;padding:0 20px;font-size:15px;}
.float-cta .btn:hover{background:#FFF4EA;color:#C45612;}
.float-cta-close{
  width:30px;height:30px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.22);color:#fff;font-size:15px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.float-cta-close:hover{background:rgba(255,255,255,.36);}

/* ============ Responsive ============ */
@media screen and (max-width:1023px){
  :root{--space-sec:56px;}
  .nav-menu,.search-box{display:none;}
  .hamburger{display:inline-flex;}
  .guide-side{position:static;margin-bottom:24px;}
  .guide-card h2{font-size:23px;}
  .cta-band{padding:40px 32px;}
}
@media screen and (max-width:767px){
  :root{--space-sec:40px;}
  body{font-size:15px;}
  .header-inner{height:64px;}
  .mobile-drawer{inset:64px 0 0 0;}
  .brand{font-size:16px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px;}
  .page-banner{padding:36px 0 40px;}
  .banner-lead{font-size:15.5px;}
  .banner-actions .btn{width:100%;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-num{font-size:30px;}
  .guide-card{padding:24px 20px;}
  .guide-card h2{padding-left:14px;}
  .path-grid{grid-template-columns:1fr;}
  .faq-body{padding:0 20px 18px 20px;}
  .cta-band{padding:34px 22px;}
  .cta-text h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;max-width:none;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;gap:10px;
  }
  .float-cta-text{font-size:13px;line-height:1.4;}
  .float-cta .btn{height:40px;padding:0 16px;font-size:14px;}
}
@media screen and (max-width:519px){
  .container,.grid-container{padding-left:18px;padding-right:18px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E8F5A;
  --c-primary-dark:#0A6E45;
  --c-accent:#FF7A2F;
  --c-lime:#B7E24A;
  --grad-brand:linear-gradient(115deg,#0E8F5A 0%,#3FBF5F 52%,#B7E24A 100%);
  --grad-cta:linear-gradient(100deg,#FF7A2F 0%,#FFB020 100%);
  --bg-page:#F6F8F4;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F8F2;
  --ink:#0E1C16;
  --ink-2:#5B6B62;
  --ink-3:#8A998F;
  --line:#E4EBE5;
  --r-s:16px;
  --r-m:20px;
  --r-l:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,28,22,.08);
  --sh-2:0 16px 36px rgba(14,28,22,.14);
  --sh-nav:0 2px 10px rgba(14,28,22,.06);
  --sp-sec:72px;
  --t-fast:.15s ease;
  --t-base:.25s ease;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;background:transparent;transition:color var(--t-fast),border-color var(--t-fast);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.25;font-weight:800;color:var(--ink);letter-spacing:0;}
h1{font-size:clamp(30px,4vw,52px);font-weight:800;}
h2{font-size:clamp(24px,2.6vw,32px);}
h3{font-size:20px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sp-sec) 0;}
.section-alt{background:#FFFFFF;}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-primary);
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 14px;
  margin-bottom:14px;
}
.section-sub{color:var(--ink-2);font-size:16px;margin:0;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--t-fast),box-shadow var(--t-base),background-color var(--t-base),color var(--t-base),border-color var(--t-base);
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 22px rgba(255,122,47,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,122,47,.36);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,122,47,.3);}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px rgba(14,143,90,.24);}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(14,143,90,.3);}
.btn-solid:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#BFE5CF;}
.btn-ghost:hover{background:#EAF6EF;color:var(--c-primary-dark);border-color:var(--c-primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--c-primary-dark);}
.btn-light:hover{color:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.16);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--c-primary);font-size:15px;
}
.text-link i{transition:transform var(--t-fast);}
.text-link:hover{color:var(--c-primary-dark);text-decoration:underline;}
.text-link:hover i{transform:translateX(3px);}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-nav);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:70px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(14,143,90,.28);
}
.brand-text{
  font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em;
}
.brand:hover .brand-text{color:var(--c-primary-dark);}
.nav-menu{
  display:flex;align-items:center;gap:6px;
  margin:0 auto 0 8px;
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:70px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color var(--t-fast);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;
  height:2px;border-radius:2px;background:transparent;
  transition:background-color var(--t-fast);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{background:var(--c-primary);}
.header-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.search-box{
  position:relative;display:flex;align-items:center;
  height:40px;width:210px;
  background:#F1F5F0;border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 14px 0 38px;
  transition:border-color var(--t-fast),box-shadow var(--t-fast),background-color var(--t-fast);
}
.search-box i{position:absolute;left:14px;color:var(--ink-3);font-size:14px;}
.search-box input{
  width:100%;height:100%;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{
  background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,143,90,.14);
}
.header-cta{min-height:42px;padding:0 22px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
  transition:background-color var(--t-fast),border-color var(--t-fast);
}
.nav-toggle:hover{background:var(--bg-soft);border-color:#BFE5CF;color:var(--c-primary);}
.mobile-drawer{
  display:none;
  background:#fff;border-bottom:1px solid var(--line);
  padding:16px 0 22px;
  box-shadow:var(--sh-1);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .container{display:flex;flex-direction:column;gap:12px;}
.mobile-search{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;border-radius:var(--r-pill);
  background:#F1F5F0;border:1px solid var(--line);
}
.mobile-search i{color:var(--ink-3);}
.mobile-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 12px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-radius:12px;
  transition:background-color var(--t-fast),color var(--t-fast);
}
.mobile-nav a:hover{background:var(--bg-soft);color:var(--c-primary);}
.mobile-nav a.is-active{color:var(--c-primary);background:var(--bg-soft);}
.mobile-nav a i{color:var(--ink-3);font-size:13px;}
.mobile-drawer .btn{width:100%;}

/* ============ banner ============ */
.page-banner{
  position:relative;
  padding:56px 0 60px;
  background:linear-gradient(180deg,#EDF7F0 0%,#F6F8F4 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;top:-120px;right:-80px;
  width:340px;height:340px;border-radius:50%;
  background:var(--grad-brand);opacity:.10;filter:blur(6px);
}
.page-banner::after{
  content:"";position:absolute;left:24px;bottom:0;width:120px;height:4px;
  border-radius:4px;background:var(--grad-brand);opacity:.6;
}
.banner-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:16px;
}
.breadcrumb a{color:var(--ink-2);font-weight:600;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{color:#C3CFC7;}
.banner-copy h1{margin-bottom:16px;}
.banner-copy h1 em{
  font-style:normal;
  background:var(--grad-cta);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.banner-lead{
  font-size:17px;color:var(--ink-2);max-width:640px;margin-bottom:24px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;}
.banner-marks{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}
.banner-marks span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--c-primary-dark);
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px 14px;
  box-shadow:var(--sh-nav);
}
.banner-marks i{color:var(--c-primary);}
.banner-media{position:relative;}
.banner-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-l);
  box-shadow:var(--sh-2);
}
.banner-media::after{
  content:"";position:absolute;inset:0;
  border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(14,143,90,0) 45%,rgba(14,28,22,.32) 100%);
  pointer-events:none;
}
.banner-media .media-badge{
  position:absolute;left:20px;bottom:20px;z-index:3;
  background:rgba(255,255,255,.94);
  border-radius:14px;padding:10px 16px;
  display:flex;align-items:center;gap:10px;
  box-shadow:var(--sh-1);
}
.media-badge b{font-size:20px;color:var(--c-primary);line-height:1;}
.media-badge small{font-size:12px;color:var(--ink-2);display:block;line-height:1.3;}

/* ============ chips ============ */
.chip-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:14px 0;
  position:sticky;top:70px;z-index:600;
  box-shadow:var(--sh-nav);
}
.chip-scroll{
  display:flex;gap:10px;overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;
  border-radius:var(--r-pill);
  background:#F1F5F0;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color var(--t-fast),color var(--t-fast),border-color var(--t-fast),transform var(--t-fast);
}
.chip i{font-size:12px;color:var(--c-primary);}
.chip:hover{background:#EAF6EF;color:var(--c-primary-dark);border-color:#BFE5CF;transform:translateY(-1px);}
.chip.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.chip.is-active i{color:var(--c-lime);}

/* ============ stats ============ */
.stats-row{margin:0 -12px;}
.stat-card{
  position:relative;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-s);
  padding:22px 22px 20px;
  box-shadow:var(--sh-nav);
  height:100%;
  transition:transform var(--t-base),box-shadow var(--t-base);
  overflow:hidden;
}
.stat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-brand);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-1);}
.stat-num{
  font-size:clamp(28px,3vw,38px);font-weight:800;line-height:1.1;
  background:var(--grad-cta);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:6px;
}
.stat-label{font-size:13px;color:var(--ink-2);line-height:1.6;}

/* ============ module cards ============ */
.anchor-offset{scroll-margin-top:150px;}
.module-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.module-card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.module-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CBE7D7;}
.module-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px;}
.icon-badge{
  flex:0 0 auto;
  width:46px;height:46px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  box-shadow:0 8px 18px rgba(14,143,90,.24);
}
.module-head h3{margin:0 0 4px;font-size:21px;}
.module-head .module-tag{
  font-size:12px;font-weight:700;color:var(--c-primary-dark);
  background:var(--bg-soft);border-radius:var(--r-pill);
  padding:2px 10px;display:inline-block;
}
.module-card p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px;}
.module-media{
  border-radius:var(--r-s);overflow:hidden;
  margin-bottom:18px;background:var(--bg-soft);
}
.module-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .5s ease;
}
.module-card:hover .module-media img{transform:scale(1.03);}
.point-list{margin:0 0 18px;display:grid;gap:8px;}
.point-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-2);
}
.point-list i{color:var(--c-primary);font-size:13px;margin-top:5px;}
.module-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;font-weight:600;color:var(--ink-2);
  background:#F1F5F0;border:1px solid var(--line);
  border-radius:8px;padding:3px 10px;
}

/* ============ compare table ============ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-s);
  background:#fff;
  box-shadow:var(--sh-nav);
}
table.compare{
  width:100%;min-width:760px;border-collapse:collapse;margin:0;
  font-size:14.5px;
}
table.compare thead th{
  background:var(--bg-soft);
  color:var(--ink);
  font-weight:800;font-size:14px;
  text-align:left;
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.compare tbody td{
  padding:15px 18px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
  vertical-align:top;
}
table.compare tbody tr:nth-child(even) td{background:#FAFCFA;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody th{
  padding:15px 18px;
  text-align:left;
  font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.table-note{font-size:13px;color:var(--ink-3);margin-top:12px;}

/* ============ article cards ============ */
.acard{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t-base),box-shadow var(--t-base);
}
.acard:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.acard-media{overflow:hidden;background:var(--bg-soft);}
.acard-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.acard:hover .acard-media img{transform:scale(1.03);}
.acard-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.acard-meta{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--ink-3);margin-bottom:10px;
}
.acard-meta .cat{
  color:var(--c-primary-dark);background:var(--bg-soft);
  border-radius:var(--r-pill);padding:2px 10px;font-weight:700;
}
.acard h3{font-size:18px;margin-bottom:10px;}
.acard p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px;}
.acard .acard-link{margin-top:auto;}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 var(--sp-sec);}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad-brand);
  border-radius:var(--r-l);
  padding:56px 48px;
  color:#fff;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  box-shadow:0 20px 46px rgba(14,143,90,.28);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card h2{color:#fff;margin-bottom:10px;font-size:clamp(24px,2.6vw,32px);}
.cta-card p{color:rgba(255,255,255,.9);margin:0;font-size:16px;max-width:620px;}
.cta-card .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{background:#0E1C16;color:#C8D6CD;padding-top:60px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.brand-light .brand-text{color:#fff;}
.footer-brand p{font-size:14.5px;color:#9DB0A5;line-height:1.8;margin:16px 0 18px;max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12px;font-weight:600;color:#CFE3D6;
  border:1px solid rgba(183,226,74,.35);
  background:rgba(183,226,74,.08);
  border-radius:var(--r-pill);padding:3px 12px;
}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#A8BBB0;font-size:14.5px;transition:color var(--t-fast);}
.footer-col a:hover{color:var(--c-lime);}
.footer-contact li{
  display:flex;align-items:center;gap:10px;
  font-size:14.5px;color:#A8BBB0;
}
.footer-contact i{color:var(--c-lime);font-size:13px;width:16px;text-align:center;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
}
.footer-bottom .container{
  display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#8CA093;
}

/* ============ float cta ============ */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:950;
  display:inline-flex;align-items:center;gap:12px;
  padding:12px 12px 12px 22px;
  border-radius:var(--r-pill);
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 16px 34px rgba(255,122,47,.34);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity var(--t-base),transform var(--t-base),visibility var(--t-base);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#fff;filter:brightness(1.05);}
.float-cta .fc-text{font-size:14px;font-weight:700;line-height:1.2;}
.float-cta .fc-close{
  width:28px;height:28px;border-radius:50%;
  border:0;background:rgba(255,255,255,.22);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;cursor:pointer;
  transition:background-color var(--t-fast);
}
.float-cta .fc-close:hover{background:rgba(255,255,255,.36);}

/* ============ responsive ============ */
@media screen and (max-width:1023px){
  :root{--sp-sec:56px;}
  .nav-menu,.search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;}
  .header-cta{display:none;}
  .banner-grid{grid-template-columns:1fr;gap:30px;}
  .banner-media img{aspect-ratio:16/9;}
  .module-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-card{grid-template-columns:1fr;padding:44px 34px;}
  .chip-bar{top:70px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  :root{--sp-sec:40px;}
  .stats-row{margin:0 -8px;}
  .stat-card{padding:18px;}
  .cta-card{padding:34px 24px;border-radius:var(--r-m);}
  .cta-card .cta-actions .btn{width:100%;}
  .banner-actions .btn{width:100%;}
  .page-banner{padding:38px 0 42px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    justify-content:space-between;
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta .fc-text{font-size:13.5px;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .module-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text{font-size:16px;}
  .stat-num{font-size:26px;}
  table.compare{min-width:640px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E8F5A;
  --c-primary-dark:#0A7349;
  --c-accent:#FF7A2F;
  --c-lime:#B7E24A;
  --grad-brand:linear-gradient(115deg,#0E8F5A 0%,#3FBF5F 55%,#B7E24A 100%);
  --grad-cta:linear-gradient(100deg,#FF7A2F 0%,#FFB020 100%);
  --bg-page:#F6F8F4;
  --bg-soft:#F0F8F2;
  --ink:#0E1C16;
  --ink-2:#5B6B62;
  --line:#E4EBE5;
  --white:#ffffff;
  --r-sm:16px;
  --r-lg:26px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,28,22,.08);
  --sh-2:0 16px 36px rgba(14,28,22,.14);
  --sh-nav:0 2px 10px rgba(14,28,22,.06);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.25;font-weight:800;color:var(--ink);letter-spacing:0;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;z-index:200;border-radius:0 0 12px 0;}
.skip-link:focus{left:0;color:#fff;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--sh-nav);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(14,143,90,.28);
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.brand:hover .brand-text{color:var(--c-primary);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;font-size:15px;color:var(--ink-2);
  border-radius:10px;transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:#F2F8F3;}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;}
.search-box i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-2);}
.search-box input{
  height:40px;width:200px;padding:0 14px 0 38px;border-radius:var(--r-pill);
  background:#F1F5F0;border:1px solid transparent;font-size:14px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box input::placeholder{color:#93A399;}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,143,90,.15);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;cursor:pointer;transition:background .18s ease;
}
.nav-toggle:hover{background:#F2F8F3;}
.mobile-drawer{display:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(255,122,47,.30);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,122,47,.36);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-green{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px rgba(14,143,90,.26);}
.btn-green:hover{filter:brightness(1.06);transform:translateY(-1px);color:#fff;}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:#EAF6EF;color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-ghost-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;
}
.btn:disabled{opacity:.45;cursor:not-allowed;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;color:#fff;padding:72px 0 68px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(10,60,40,.90) 0%,rgba(14,143,90,.78) 48%,rgba(14,28,22,.72) 100%),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,226,74,.34) 0%,rgba(183,226,74,0) 68%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb i{font-size:11px;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4vw,50px);font-weight:800;margin-bottom:16px;line-height:1.2;
}
.page-hero .hero-lead{font-size:17px;color:rgba(255,255,255,.92);max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;
}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:0 22px 48px rgba(6,26,18,.36);
  border:1px solid rgba(255,255,255,.22);background:#0E1C16;
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{font-size:13px;color:rgba(255,255,255,.8);padding:12px 16px;background:rgba(6,26,18,.5);}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
.section-soft{background:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary);
  background:#EAF6EF;padding:6px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:var(--grad-brand);
}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}
.section-head p{color:var(--ink-2);font-size:16px;}

/* ---------- Quick check cards ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;gap:12px;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.check-icon{
  width:48px;height:48px;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 8px 18px rgba(14,143,90,.24);
}
.check-card h3{font-size:19px;margin:0;}
.check-card p{color:var(--ink-2);font-size:15px;margin:0;}
.check-card .tagline{font-size:13px;color:var(--c-accent);font-weight:700;}

/* ---------- Step flow ---------- */
.step-list{position:relative;padding-top:6px;}
.step-list::before{
  content:"";position:absolute;left:23px;top:18px;bottom:52px;width:2px;
  background:linear-gradient(180deg,#0E8F5A 0%,#3FBF5F 55%,#B7E24A 100%);
}
.step{display:grid;grid-template-columns:48px 1fr;gap:24px;padding-bottom:26px;position:relative;}
.step:last-child{padding-bottom:0;}
.step-num{
  width:48px;height:48px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px rgba(14,143,90,.28);position:relative;z-index:2;
}
.step-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:22px 26px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-body:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE9DA;}
.step-body h3{font-size:20px;margin-bottom:6px;}
.step-body p{color:var(--ink-2);font-size:15.5px;margin:0 0 10px;}
.step-body p:last-child{margin-bottom:0;}
.step-note{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-primary);
  background:#F0F8F2;border-radius:10px;padding:6px 12px;font-weight:600;
}

/* ---------- FAQ ---------- */
.faq-groups{display:grid;gap:40px;}
.faq-group h3{
  font-size:20px;display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.faq-group h3 i{color:var(--c-primary);font-size:16px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{border-color:#CFE9DA;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;display:block;
  padding:20px 56px 20px 64px;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--ink-2);transition:transform .25s ease,color .25s ease;
}
.faq-idx{
  position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:10px;
  background:#EAF6EF;color:var(--c-primary);font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-style:normal;
}
.faq-item[open]{border-color:#CFE9DA;box-shadow:var(--sh-2);}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  background:var(--c-primary);border-radius:0 4px 4px 0;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--c-primary);}
.faq-answer{padding:0 26px 22px 64px;color:var(--ink-2);font-size:15.5px;line-height:1.85;}
.faq-answer strong{color:var(--ink);}

/* ---------- Feedback card ---------- */
.feedback-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.feedback-card h3{font-size:22px;margin-bottom:10px;}
.feedback-card p{color:var(--ink-2);font-size:15.5px;}
.info-list{margin:18px 0 0;display:grid;gap:10px;}
.info-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
.info-list i{color:var(--c-primary);margin-top:5px;font-size:13px;}
.feedback-figure{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);}
.feedback-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 80px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px 48px;
  background:var(--grad-brand);color:#fff;box-shadow:0 22px 48px rgba(14,143,90,.28);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 70%);
}
.cta-card h2{color:#fff;font-size:clamp(23px,2.6vw,30px);margin-bottom:10px;position:relative;z-index:2;}
.cta-card p{color:rgba(255,255,255,.92);max-width:600px;position:relative;z-index:2;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- Footer ---------- */
.site-footer{background:#0E1C16;color:#C8D5CD;padding:60px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand-light .brand-text{color:#fff;}
.footer-brand p{font-size:14.5px;color:#9FB2A7;line-height:1.8;margin:16px 0 0;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#D7E3DA;
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul li{font-size:14.5px;color:#9FB2A7;}
.footer-col ul li a{color:#9FB2A7;transition:color .18s ease,padding-left .18s ease;}
.footer-col ul li a:hover{color:var(--c-lime);padding-left:3px;}
.footer-contact ul li{display:flex;align-items:center;gap:9px;}
.footer-contact ul li i{color:var(--c-lime);font-size:13px;width:16px;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;background:#0A1512;}
.footer-bottom .container{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:#8A9C92;}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:100;
  display:flex;align-items:center;gap:14px;
  background:var(--grad-cta);color:#fff;padding:12px 14px 12px 22px;border-radius:var(--r-pill);
  box-shadow:0 16px 34px rgba(255,122,47,.34);
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-cta span{font-size:14.5px;font-weight:700;}
.float-cta .float-btn{
  background:#fff;color:var(--c-accent);font-weight:800;font-size:14px;
  padding:9px 18px;border-radius:var(--r-pill);transition:transform .18s ease,color .18s ease;
}
.float-cta .float-btn:hover{transform:translateY(-1px);color:#E96A18;}
.float-close{
  width:30px;height:30px;border-radius:50%;border:none;background:rgba(255,255,255,.22);
  color:#fff;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;
  transition:background .18s ease;
}
.float-close:hover{background:rgba(255,255,255,.36);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .search-box input{width:160px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .header-inner{height:66px;gap:12px;}
  .section{padding:56px 0;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-figure{order:-1;}
  .page-hero{padding:52px 0 50px;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .feedback-card{grid-template-columns:1fr;padding:26px;}
  .cta-card{padding:42px 32px;}
  .mobile-drawer{
    display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 24px;
  }
  .mobile-drawer.is-open{display:block;}
  .mobile-search{position:relative;margin-bottom:14px;}
  .mobile-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-2);font-size:13px;}
  .mobile-search input{
    width:100%;height:44px;padding:0 14px 0 38px;border-radius:12px;background:#F1F5F0;
    border:1px solid var(--line);font-size:15px;
  }
  .mobile-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,143,90,.15);background:#fff;}
  .mobile-drawer .nav-link{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;font-size:16px;}
  .mobile-drawer .nav-link.is-active{background:#EAF6EF;}
  .mobile-drawer .nav-link.is-active::after{display:none;}
  .mobile-drawer .btn{width:100%;margin-top:14px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:44px 0;}
  .check-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:40px 1fr;gap:14px;}
  .step-num{width:40px;height:40px;font-size:15px;}
  .step-list::before{left:19px;}
  .step-body{padding:18px 18px;}
  .faq-item summary{padding:18px 46px 18px 56px;font-size:16px;}
  .faq-idx{left:14px;top:17px;width:28px;height:28px;}
  .faq-answer{padding:0 18px 20px 56px;font-size:15px;}
  .cta-card{padding:34px 22px;}
  .cta-actions .btn,.hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom .container{flex-direction:column;gap:6px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:space-between;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  }
  .float-cta span{font-size:14px;}
  .float-cta .float-btn{padding:8px 16px;font-size:13.5px;}
  .float-close{display:none;}
}
@media (max-width:519px){
  .page-hero h1{font-size:27px;}
  .hero-tags span{font-size:12px;padding:5px 11px;}
}