/* roulang page: index */
:root{
  --green:#0B3D2E;
  --green-06:rgba(11,61,46,.06);
  --green-12:rgba(11,61,46,.12);
  --green-40:rgba(11,61,46,.4);
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --paper:#F7F8F4;
  --card:#FFFFFF;
  --line:#E4E8DE;
  --ink:#1B2420;
  --muted:#5C6660;
  --dim:#8A948E;
  --dark:#082A20;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(11,61,46,.06);
  --sh-2:0 10px 28px -14px rgba(11,61,46,.22);
  --w:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Semi Condensed","Archivo","Helvetica Neue",Arial,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out}
a:hover{text-decoration:underline;text-underline-offset:2px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
a:visited{color:var(--green)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;color:var(--green)}
h2{font-size:30px;font-weight:800}
h3{font-size:20px;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head .lead{color:var(--muted);font-size:15px;max-width:560px;margin-top:10px}
.section-title{position:relative;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--green);border-radius:2px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;
  color:var(--green);background:var(--green-06);
  border:1px solid var(--green-12);border-radius:999px;
  padding:4px 12px;margin-bottom:16px;
}
.divider{height:1px;background:var(--green-12);margin:0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,248,244,.96);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(11,61,46,.35)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:var(--green);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:18px;height:18px;fill:var(--lime)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:15px;font-weight:800;color:var(--green);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;text-decoration:none;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--green);text-decoration:none}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";position:absolute;left:-14px;top:50%;width:6px;height:6px;
  background:var(--lime);transform:translateY(-50%) rotate(45deg);
}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:10px;align-items:center;justify-content:center;
  padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-cta{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;text-decoration:none;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--orange);color:#fff;border-radius:999px;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#f05a2c;transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-secondary{background:#fff;color:var(--green);border-color:var(--green)}
.btn-secondary:hover{background:var(--green-06);color:var(--green);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--green);padding:0;height:auto;font-weight:600;border:none}
.btn-ghost::after{content:"→";transition:transform .18s ease-out;display:inline-block}
.btn-ghost:hover::after{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%;border-radius:var(--r-btn)}

/* ---------- Hero ---------- */
.hero{padding:64px 0 0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.hero h1{font-size:44px;letter-spacing:-.01em;margin-bottom:18px}
.hero h1 .hl{position:relative;color:var(--green);z-index:1}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:12px;
  background:var(--lime);opacity:.55;z-index:-1;border-radius:3px;
}
.hero-sub{font-size:18px;color:var(--muted);line-height:1.8;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.trust-line{margin-top:16px;font-size:14px;color:var(--dim);display:flex;align-items:center;gap:8px}
.trust-line::before{content:"";width:6px;height:6px;background:var(--lime);transform:rotate(45deg);flex:0 0 6px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-img);
  background:var(--green-06);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-img);
  background:linear-gradient(150deg,rgba(11,61,46,.62),rgba(11,61,46,.28) 55%,rgba(11,61,46,.06));
  clip-path:polygon(0 0,100% 0,100% 88%,0 100%);
}
.hero-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.96);border-radius:10px;padding:10px 14px;
  display:flex;align-items:center;gap:10px;box-shadow:var(--sh-2);
}
.hero-badge b{font-family:var(--font-num);font-size:20px;color:var(--green);font-weight:800}
.hero-badge span{font-size:12px;color:var(--muted);line-height:1.3}
.metrics{
  margin-top:56px;border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;display:grid;grid-template-columns:repeat(3,1fr);
  overflow:hidden;box-shadow:var(--sh-1);
}
.metric{padding:24px 28px;border-right:1px solid var(--line)}
.metric:last-child{border-right:none}
.metric b{
  display:block;font-family:var(--font-num);font-size:40px;font-weight:800;
  color:var(--green);line-height:1;margin-bottom:6px;
}
.metric b em{font-style:normal;font-size:18px;color:var(--lime);-webkit-text-stroke:.4px var(--green)}
.metric span{font-size:12px;color:var(--muted);letter-spacing:.01em}

/* ---------- 价值要点带 ---------- */
.value-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-item{
  display:flex;gap:16px;padding:26px 24px;border:1px solid var(--line);
  border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.value-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green-40)}
.value-icon{
  flex:0 0 48px;width:48px;height:48px;background:var(--green);
  display:flex;align-items:center;justify-content:center;
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.value-icon svg{width:20px;height:20px;fill:var(--lime)}
.value-item h3{font-size:18px;margin-bottom:6px}
.value-item p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 功能分组 ---------- */
.feature-group{margin-bottom:8px}
.group-head{
  display:flex;align-items:center;gap:12px;margin:0 0 20px;
  font-size:15px;font-weight:700;color:var(--green);
}
.group-head i{
  font-style:normal;width:8px;height:8px;background:var(--lime);
  transform:rotate(45deg);display:inline-block;
}
.feature-list{display:grid;gap:16px}
.feature-row{
  display:flex;gap:22px;align-items:flex-start;padding:24px 26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.feature-row:hover{border-color:var(--green-40);box-shadow:var(--sh-2);transform:translateY(-2px)}
.feature-num{
  font-family:var(--font-num);font-size:34px;font-weight:800;line-height:1;
  color:var(--lime);-webkit-text-stroke:1px var(--green);
  flex:0 0 64px;
}
.feature-row h3{font-size:18px;margin-bottom:6px}
.feature-row p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.track-line{height:1px;background:var(--green-12);margin:40px 0}

/* ---------- 使用场景 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-bottom:40px;position:relative}
.step{position:relative;padding:0 20px 0 0}
.step-dot{
  width:16px;height:16px;border-radius:50%;background:#fff;
  border:2px solid var(--green-12);margin-bottom:16px;position:relative;z-index:1;
}
.step.is-current .step-dot{background:var(--lime);border-color:var(--green)}
.step::before{
  content:"";position:absolute;left:16px;right:0;top:7px;height:2px;background:var(--green-12);
}
.step:last-child::before{display:none}
.step b{display:block;font-family:var(--font-num);font-size:13px;color:var(--dim);margin-bottom:4px;letter-spacing:.04em}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.scene-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green-40)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--green-06)}
.scene-body{padding:26px 28px 28px}
.scene-body h3{font-size:20px;margin-bottom:12px}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.point-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--muted);
  line-height:1.9;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;
  background:var(--lime);border-radius:1px;
}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-main{
  grid-column:1/-1;display:grid;grid-template-columns:6fr 6fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.case-main-body{padding:36px 36px}
.case-main-body h3{font-size:24px;margin-bottom:14px}
.case-main-body p{font-size:15px;color:var(--muted);line-height:1.85}
.case-stats{display:flex;gap:36px;margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}
.case-stats b{display:block;font-family:var(--font-num);font-size:32px;font-weight:800;color:var(--green);line-height:1.1}
.case-stats span{font-size:13px;color:var(--dim)}
.case-main img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;background:var(--green-06)}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green-40)}
.case-card h3{font-size:19px;margin:14px 0 10px}
.case-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-family:var(--font-num);font-size:12px;font-weight:600;
  letter-spacing:.04em;background:var(--green-06);color:var(--green);
  border:1px solid var(--green-12);text-transform:uppercase;
}
.badge--lime{background:var(--lime);border-color:var(--lime);color:var(--green)}
.badge--dark{background:var(--dark);border-color:var(--dark);color:#fff}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px 28px 28px;display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green-40)}
.price-card.is-featured{border:2px solid var(--green);box-shadow:var(--sh-2);padding-top:44px}
.price-card.is-featured::before{
  content:"";position:absolute;top:0;left:0;right:0;height:10px;
  background:var(--green);border-radius:12px 12px 0 0;
  clip-path:polygon(0 0,100% 0,100% 60%,0 100%);
}
.price-flag{position:absolute;top:14px;right:20px}
.price-card h3{font-size:19px;margin-bottom:6px}
.price-card .plan-desc{font-size:13.5px;color:var(--dim);margin-bottom:20px}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-bottom:22px}
.price-amount b{font-family:var(--font-num);font-size:44px;font-weight:800;color:var(--green);line-height:1}
.price-amount small{font-size:13px;color:var(--dim)}
.price-list{display:grid;gap:12px;margin-bottom:28px}
.price-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--muted);line-height:1.7}
.price-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:800;font-size:14px;
  background:var(--lime);width:16px;height:16px;border-radius:4px;display:flex;
  align-items:center;justify-content:center;line-height:1;margin-top:5px;
}
.price-card .btn{margin-top:auto}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green-40)}
.post-cover{position:relative;display:block;background:var(--green-06)}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-cover .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.95);border-color:transparent}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a{color:var(--green);text-decoration:none}
.post-body h3 a:hover{text-decoration:underline;text-underline-offset:2px}
.post-body p{
  font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:14px;color:var(--dim);border-top:1px solid var(--line);padding-top:14px;
}
.post-meta time{font-family:var(--font-num);letter-spacing:.02em}
.post-meta a{font-size:14px;font-weight:600;color:var(--green)}
.empty-state{
  min-height:220px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--green-06);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;text-align:center;padding:32px;
}
.empty-state b{font-size:17px;color:var(--green)}
.empty-state span{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item[open]{border-color:var(--green-40);box-shadow:var(--sh-1);position:relative}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--green);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:24px;line-height:1;color:var(--green);
  transition:transform .18s ease-out;
}
.faq-item[open] summary{color:var(--green)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;color:#fff}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.cta-band::after{
  content:"";position:absolute;inset:0;background:rgba(11,61,46,.85);
}
.cta-inner{position:relative;z-index:2;text-align:center;padding:72px 0}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15.5px;max-width:620px;margin:0 auto 28px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#fff;position:relative}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 10px);
  pointer-events:none;
}
.footer-inner{position:relative;z-index:2;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime)}
.footer-brand .brand-mark svg{fill:var(--green)}
.footer-brand strong{font-size:15px;font-weight:800;color:#fff;display:block;line-height:1.2}
.footer-brand em{font-style:normal;display:block;font-size:12px;color:rgba(255,255,255,.6)}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);line-height:2.2;text-decoration:none}
.footer-col a:hover{color:var(--lime);text-decoration:none}
.footer-bottom{
  position:relative;z-index:2;margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
  .hero h1{font-size:40px}
  .case-grid{grid-template-columns:1fr}
  .case-main{grid-template-columns:1fr}
  .case-main img{aspect-ratio:16/9}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual img{aspect-ratio:16/10}
  .value-strip{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .price-card.is-featured{order:-1}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px 16px}
  .step:nth-child(2)::before{display:none}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:340px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 20px 24px;margin-left:0;
    transform:translateX(105%);transition:transform .22s ease-out;
    box-shadow:-12px 0 34px -20px rgba(11,61,46,.5);z-index:60;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{
    height:52px;display:flex;align-items:center;padding:0 8px;
    border-bottom:1px solid var(--line);font-size:16px;
  }
  .nav-link::after{display:none}
  .nav-link.is-active::before{left:0;position:static;transform:rotate(45deg);margin-right:8px}
  .nav-cta{display:none}
  .drawer-cta{
    display:inline-flex;margin-top:20px;width:100%;border-radius:var(--r-btn);
  }
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:40px 0 0}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .metrics{grid-template-columns:1fr;margin-top:36px}
  .metric{border-right:none;border-bottom:1px solid var(--line);padding:18px 20px}
  .metric:last-child{border-bottom:none}
  .metric b{font-size:32px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  h2{font-size:24px}
  .news-grid{grid-template-columns:1fr}
  .case-stats{flex-direction:column;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .cta-inner .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .step::before{display:none}
  .feature-row{flex-direction:column;gap:12px}
  .case-main-body{padding:26px 22px}
}
@media (max-width:480px){
  .brand-text strong{font-size:13.5px}
  .brand-text em{font-size:11px}
  .hero h1{font-size:26px}
  .metrics{grid-template-columns:1fr}
  .btn{height:46px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: article */
:root{
  --green:#0B3D2E;
  --green-deep:#082A20;
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --paper:#F7F8F4;
  --card:#FFFFFF;
  --line:#E4E8DE;
  --ink:#1B2420;
  --muted:#5C6660;
  --faint:#8A948E;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh1:0 1px 2px rgba(11,61,46,.06);
  --sh2:0 10px 28px -14px rgba(11,61,46,.22);
  --num:"Barlow Semi Condensed","Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--green);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
a:hover{text-decoration:underline;text-underline-offset:2px}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;color:var(--green)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--green-deep)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--paper)}
::-webkit-scrollbar-thumb{background:rgba(11,61,46,.3);border-radius:99px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--lime);z-index:120}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,248,244,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:var(--sh1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--green);text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;background:var(--green);border-radius:9px;transform:rotate(45deg)}
.brand-mark svg{width:18px;height:18px;fill:var(--lime);transform:rotate(-45deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--num);font-size:17px;font-weight:700;letter-spacing:.02em;text-transform:uppercase}
.brand-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out}
.nav-link:hover{color:var(--green);text-decoration:none}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{content:"";position:absolute;left:-12px;top:50%;width:6px;height:6px;background:var(--green);transform:translateY(-50%) rotate(45deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.btn-primary{background:var(--orange);color:#fff;height:48px;padding:0 24px;border-radius:999px;box-shadow:var(--sh1)}
.btn-primary:hover{background:#f2592c;transform:translateY(-1px);box-shadow:var(--sh2);text-decoration:none;color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;border-color:var(--green);color:var(--green);height:48px;padding:0 22px}
.btn-secondary:hover{background:rgba(11,61,46,.06);text-decoration:none}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-ghost{background:transparent;color:var(--green);padding:0 4px;height:auto}
.btn-ghost .arrow{transition:transform .18s ease-out}
.btn-ghost:hover{text-decoration:none}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.nav-cta{height:42px;padding:0 20px;font-size:15px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;position:relative;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--green);border-radius:2px;transform:translateX(-50%);transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px}
.nav-toggle span::after{content:"";top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) translateY(-6px) rotate(-45deg)}
.drawer-cta{display:none}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  background:var(--green-deep);
  background-image:linear-gradient(102deg,rgba(8,42,32,.92) 0%,rgba(11,61,46,.82) 58%,rgba(8,42,32,.9) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:46px 0 54px;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 9px);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(255,255,255,.45)}
.breadcrumb .current{color:rgba(255,255,255,.72);max-width:22em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;background:rgba(201,242,77,.16);color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.04em;font-family:var(--num)}
.article-hero h1{color:#fff;font-size:44px;max-width:20em;margin:16px 0 18px}
.article-hero h1 .hl{color:var(--lime)}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.78);padding-top:18px;border-top:1px solid rgba(255,255,255,.18);margin-top:22px}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row svg{width:15px;height:15px;fill:rgba(201,242,77,.9)}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh2)}
.hero-figure img{width:100%;aspect-ratio:5/4;object-fit:cover}
.hero-figure::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,42,32,.15),rgba(8,42,32,.55))}
.figure-note{position:absolute;left:16px;bottom:14px;z-index:2;font-size:13px;color:#fff;background:rgba(8,42,32,.6);padding:6px 12px;border-radius:999px}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 220px;gap:48px;justify-content:center;padding:64px 0 0}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 44px;box-shadow:var(--sh1);
}
.article-body{font-size:16px;line-height:1.9;color:var(--ink)}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:24px;margin:40px 0 16px;padding-left:12px;border-left:4px solid var(--green)}
.article-body h3{font-size:20px;margin:30px 0 12px;color:var(--green)}
.article-body p{margin:0 0 1.2em}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;background:var(--lime);border-radius:2px}
.article-body ol li{margin-bottom:8px}
.article-body a{color:var(--green);font-weight:600}
.article-body a:hover{text-decoration:underline;text-underline-offset:2px}
.article-body blockquote{margin:24px 0;background:#fff;border-left:3px solid var(--green);border-radius:0 var(--r-img) var(--r-img) 0;padding:16px 22px;color:var(--muted);box-shadow:var(--sh1)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--faint);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:rgba(11,61,46,.08);color:var(--green);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.empty-state{
  border:1px solid var(--line);background:rgba(11,61,46,.06);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;
}
.empty-state strong{display:block;font-size:20px;color:var(--green);margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---------- toc ---------- */
.toc{position:sticky;top:96px;align-self:start}
.toc-card{border:1px solid var(--line);background:var(--card);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh1)}
.toc-card h4{font-size:15px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.toc-card a{display:block;font-size:14px;color:var(--muted);padding:6px 0 6px 12px;border-left:2px solid transparent}
.toc-card a:hover{color:var(--green);border-left-color:var(--lime);text-decoration:none}
.toc-card a.is-current{color:var(--green);font-weight:600;border-left-color:var(--green)}
.toc-toggle{display:none}
.toc-hint{font-size:12px;color:var(--faint);margin-top:12px}

/* ---------- footer blocks of article ---------- */
.article-footer{margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:22px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-size:13px;color:var(--muted)}
.tag:hover{border-color:rgba(11,61,46,.4);color:var(--green);text-decoration:none}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted);margin-bottom:26px}
.share-row .dot{width:8px;height:8px;border-radius:2px;background:var(--lime)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:26px}
.post-nav-card{
  display:block;border:1px solid var(--line);background:#fff;border-radius:var(--r-card);
  padding:16px 18px;font-size:15px;font-weight:600;color:var(--green);box-shadow:var(--sh1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.post-nav-card small{display:block;font-size:13px;font-weight:500;color:var(--faint);margin-bottom:6px}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:rgba(11,61,46,.4);text-decoration:none}
.back-row{margin-top:8px}

/* ---------- related ---------- */
.related{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:30px}
.section-head h2 .bar{display:inline-block;width:4px;height:22px;background:var(--green);border-radius:2px;margin-right:12px;vertical-align:-2px}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:rgba(11,61,46,.4)}
.card-media{position:relative}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-media .badge{position:absolute;top:12px;left:12px;background:rgba(8,42,32,.82);color:var(--lime)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;color:var(--green)}
.card-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
.card-foot{margin-top:auto;font-size:13px;color:var(--faint);display:flex;justify-content:space-between;align-items:center;gap:10px}
.card-foot a{font-weight:600}

/* ---------- faq ---------- */
.faq{padding:80px 0 0}
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-img);background:var(--card);box-shadow:var(--sh1);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:700;color:var(--green);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .sign{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:rgba(11,61,46,.08);color:var(--green);display:grid;place-items:center;font-size:16px;font-weight:700;transition:transform .18s ease-out,background-color .18s ease-out}
.faq-item[open]{border-left:4px solid var(--green)}
.faq-item[open] summary .sign{background:var(--lime);transform:rotate(180deg)}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- cta ---------- */
.cta-band{
  margin-top:88px;position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(rgba(8,42,32,.85),rgba(8,42,32,.85)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cta-inner{padding:72px 0;text-align:center;position:relative;z-index:2}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.8);max-width:34em;margin:0 auto 26px;font-size:15px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-band .btn-secondary{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-secondary:hover{background:rgba(255,255,255,.12)}

/* ---------- footer ---------- */
.site-footer{background:var(--green-deep);color:rgba(255,255,255,.78);margin-top:0}
.site-footer::before{content:"";display:block;height:1px;background:rgba(255,255,255,.08)}
.footer-inner{padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(201,242,77,.16)}
.footer-brand .brand-mark svg{fill:var(--lime)}
.footer-brand strong{display:block;font-family:var(--num);color:#fff;font-size:16px;letter-spacing:.03em;text-transform:uppercase}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.06em}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);max-width:24em;line-height:1.8}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);line-height:2.2}
.footer-col a:hover{color:var(--lime);text-decoration:none}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-hero h1{font-size:38px}
  .article-layout{grid-template-columns:minmax(0,720px) 200px;gap:36px}
  .panel{padding:34px 32px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure img{aspect-ratio:16/9}
  .article-layout{grid-template-columns:minmax(0,1fr);padding-top:48px}
  .toc{position:static;order:-1}
  .toc-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:14px 18px;font-weight:600;color:var(--green);cursor:pointer}
  .toc-card{margin-top:12px;display:none}
  .toc-card.is-open{display:block}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:340px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 22px 120px;box-shadow:-12px 0 34px rgba(11,61,46,.16);
    transform:translateX(102%);transition:transform .22s ease-out;overflow-y:auto;z-index:110;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{padding:16px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-link.is-active::before{left:auto;right:6px}
  .drawer-cta{display:inline-flex;margin-top:24px;width:100%}
  .article-hero{padding:32px 0 40px}
  .article-hero h1{font-size:30px}
  .panel{padding:26px 20px;border-radius:var(--r-card)}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:19px}
  .related{padding-top:56px}
  .faq{padding-top:56px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head h2{font-size:24px}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .cta-band{margin-top:56px}
  .cta-inner{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .cta-band .btn{width:100%}
  .footer-inner{padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:8px}
  .footer-col{border-top:1px solid rgba(255,255,255,.12);padding-top:14px;margin-top:12px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .article-hero h1{font-size:26px}
  .meta-row{font-size:13px;gap:8px 16px}
  .badge{font-size:12px}
  .breadcrumb .current{max-width:11em}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --green:#0B3D2E;
  --green-06:rgba(11,61,46,.06);
  --green-12:rgba(11,61,46,.12);
  --green-40:rgba(11,61,46,.4);
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --paper:#F7F8F4;
  --card:#FFFFFF;
  --line:#E4E8DE;
  --ink:#1B2420;
  --muted:#5C6660;
  --faint:#8A948E;
  --dark:#082A20;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(11,61,46,.06);
  --shadow-2:0 10px 28px -14px rgba(11,61,46,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed","Archivo",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:#0a3226;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.25;font-weight:800;color:var(--green);}
h1{font-size:44px;letter-spacing:-.4px;}
h2{font-size:30px;}
h3{font-size:20px;font-weight:700;}
h4{font-size:16px;font-weight:700;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,button,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--green);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--paper);}
::-webkit-scrollbar-thumb{background:rgba(11,61,46,.3);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(11,61,46,.5);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:104px 0;border-top:1px solid var(--green-12);}
.section:first-of-type{border-top:0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;background:var(--green);border-radius:2px;}
.section-head p{color:var(--muted);font-size:16px;margin-bottom:0;max-width:640px;}
.eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;color:var(--green);
  background:var(--lime);border-radius:999px;padding:4px 12px;margin-bottom:16px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(247,248,244,.94);
  border-bottom:1px solid transparent;transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 6px 20px -18px rgba(11,61,46,.5);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:9px;background:var(--green);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:18px;height:18px;fill:var(--lime);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-family:var(--font-num);font-size:17px;font-weight:700;color:var(--green);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--green);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active::before{
  content:"";position:absolute;left:-12px;top:50%;width:6px;height:6px;background:var(--lime);
  transform:translateY(-50%) rotate(45deg);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;text-align:center;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--orange);color:#fff;border-radius:999px;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#f25d31;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{background:#fff;border-color:var(--green);color:var(--green);}
.btn-outline:hover{background:var(--green-06);color:var(--green);}
.btn-ghost{background:transparent;color:var(--green);padding:0;height:auto;font-weight:600;}
.btn-ghost .arrow{display:inline-block;transition:transform .18s ease-out;}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.drawer-cta{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green);position:relative;transition:background .18s ease-out;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);transition:transform .2s ease-out,top .2s ease-out;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:2px;color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.45);}

/* ---------- banner ---------- */
.page-banner{
  position:relative;color:#fff;overflow:hidden;
  background:var(--green) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,42,32,.95) 0%,rgba(8,42,32,.84) 46%,rgba(8,42,32,.7) 100%);
}
.banner-inner{position:relative;display:grid;grid-template-columns:1.4fr .6fr;gap:56px;align-items:center;padding:76px 0 68px;}
.banner-copy h1{color:#fff;margin-bottom:18px;}
.banner-copy h1 .hl{color:var(--lime);}
.banner-copy p{color:rgba(255,255,255,.82);font-size:17px;line-height:1.85;max-width:600px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-light{background:#fff;color:var(--green);border-radius:999px;}
.btn-light:hover{background:#eef1e9;color:var(--green);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);border-radius:999px;}
.btn-line:hover{background:rgba(255,255,255,.12);color:#fff;}
.banner-badges{display:grid;gap:14px;align-self:center;}
.banner-badges li{
  display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:16px 18px;
}
.banner-badges .dot{
  width:10px;height:10px;flex:none;margin-top:7px;background:var(--lime);
  transform:rotate(45deg);border-radius:2px;
}
.banner-badges strong{display:block;font-size:15px;color:#fff;line-height:1.5;}
.banner-badges span{display:block;font-size:13px;color:rgba(255,255,255,.7);line-height:1.7;}

/* ---------- intro ---------- */
.intro{padding:64px 0 0;border-top:0;}
.intro p{font-size:17px;color:var(--muted);max-width:860px;}
.intro .lede{color:var(--ink);font-size:18px;}

/* ---------- steps grid ---------- */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.step-card:hover{transform:translateY(-2px);border-color:var(--green-40);box-shadow:var(--shadow-2);}
.step-media{position:relative;aspect-ratio:16/9;background:var(--green-06);overflow:hidden;}
.step-card--tall .step-media{aspect-ratio:16/12;}
.step-media img{width:100%;height:100%;object-fit:cover;}
.step-index{
  position:absolute;top:12px;left:12px;font-family:var(--font-num);font-weight:700;font-size:14px;
  letter-spacing:.04em;background:var(--lime);color:var(--green);border-radius:999px;padding:4px 12px;
}
.step-body{padding:24px 26px 28px;}
.step-body h3{margin-bottom:10px;}
.step-body>p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.tick-list{display:grid;gap:10px;}
.tick-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink);line-height:1.7;}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--lime);border-radius:2px;
}

/* ---------- flow bar ---------- */
.flow-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow;}
.flow-bar li{position:relative;padding-top:26px;}
.flow-bar li::before{
  content:"";position:absolute;top:9px;left:26px;right:-24px;height:1px;background:var(--green-12);
}
.flow-bar li:last-child::before{display:none;}
.flow-dot{
  position:absolute;top:0;left:0;width:20px;height:20px;border-radius:50%;
  background:#fff;border:2px solid var(--green-40);
  display:flex;align-items:center;justify-content:center;
}
.flow-bar li.is-current .flow-dot{background:var(--lime);border-color:var(--lime);}
.flow-bar h3{font-size:17px;margin-bottom:6px;}
.flow-bar p{color:var(--muted);font-size:14px;line-height:1.75;margin:0;}

/* ---------- compare table ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;}
.compare-table{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
.compare-table caption{text-align:left;padding:20px 24px 0;color:var(--muted);font-size:14px;}
.compare-table th,.compare-table td{padding:16px 24px;text-align:left;border-bottom:1px solid var(--line);}
.compare-table thead th{background:rgba(11,61,46,.08);color:var(--green);font-weight:700;font-size:15px;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover{background:rgba(11,61,46,.03);}
.compare-table td:first-child{font-weight:600;color:var(--green);}
.compare-table td{color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:var(--green-40);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:18px 56px 18px 22px;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:22px;font-weight:600;color:var(--green);line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item[open]{border-color:var(--green-40);box-shadow:var(--shadow-1);}
.faq-item[open] summary{color:var(--green);}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--green);}
.faq-answer{padding:0 56px 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;color:#fff;text-align:center;padding:76px 0;
  background:var(--green) url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(8,42,32,.85);}
.cta-inner{position:relative;max-width:680px;margin:0 auto;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.8);margin-bottom:28px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.7);position:relative;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 22px);
}
.footer-inner{padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);}
.footer-brand strong{display:block;font-family:var(--font-num);font-size:17px;color:#fff;letter-spacing:.02em;}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.06em;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:72px 0;}
  .banner-inner{grid-template-columns:1fr;gap:32px;padding:56px 0 52px;}
  .banner-badges{grid-template-columns:repeat(3,1fr);}
  .step-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .flow-bar{grid-template-columns:repeat(2,1fr);gap:24px 20px;}
  .flow-bar li:nth-child(2)::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:360px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 22px 108px;transform:translateX(100%);overflow-y:auto;
    transition:transform .22s ease-out;z-index:90;
    box-shadow:-18px 0 48px -24px rgba(11,61,46,.45);
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 6px;min-height:52px;display:flex;align-items:center;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.is-active::before{left:0;position:static;transform:rotate(45deg);margin-right:10px;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .drawer-cta{display:inline-flex;margin-top:24px;width:100%;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .banner-badges{grid-template-columns:1fr;}
  .banner-actions .btn{width:100%;}
  .step-grid{grid-template-columns:1fr;}
  .flow-bar{grid-template-columns:1fr;}
  .flow-bar li::before{display:none;}
  .step-body{padding:20px 20px 24px;}
  .faq-item summary{font-size:16px;padding:16px 48px 16px 18px;}
  .faq-answer{padding:0 48px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .cta-band{padding:56px 0;}
  .intro{padding:48px 0 0;}
}
@media (max-width:480px){
  h1{font-size:26px;}
  .brand-text strong{font-size:15px;}
  .brand-text em{font-size:11px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink:#0B3D2E;
  --ink-06:rgba(11,61,46,.06);
  --ink-08:rgba(11,61,46,.08);
  --ink-12:rgba(11,61,46,.12);
  --ink-40:rgba(11,61,46,.4);
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --line:#E4E8DE;
  --text:#1B2420;
  --muted:#5C6660;
  --faint:#8A948E;
  --dark:#082A20;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh1:0 1px 2px rgba(11,61,46,.06);
  --sh2:0 10px 28px -14px rgba(11,61,46,.22);
  --ff-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --ff-num:"Barlow Semi Condensed","Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:2px;}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;color:var(--ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--ink);}
body::-webkit-scrollbar{width:10px;}
body::-webkit-scrollbar-track{background:var(--bg);}
body::-webkit-scrollbar-thumb{background:rgba(11,61,46,.3);border-radius:99px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,244,.92);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:var(--sh1);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;
  background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.brand-mark svg{width:19px;height:19px;fill:var(--ink);}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-family:var(--ff-num);font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--ink);text-transform:lowercase;}
.brand-text em{font-style:normal;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;text-decoration:none;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime);
  transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--ink);text-decoration:none;}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{
  content:"";position:absolute;left:-14px;top:50%;width:5px;height:5px;
  background:var(--ink);transform:translateY(-50%) rotate(45deg);
}
.nav-cta{flex:0 0 auto;}
.drawer-cta{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";left:0;transform:none;top:-6px;}
.nav-toggle span::after{content:"";left:0;transform:none;top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0;}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--orange);color:#fff;border:1px solid var(--orange);box-shadow:var(--sh1);}
.btn-primary:hover{filter:brightness(.92);transform:translateY(-1px);box-shadow:var(--sh2);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-secondary{background:var(--card);color:var(--ink);border:1px solid var(--ink);}
.btn-secondary:hover{background:var(--ink-06);transform:translateY(-1px);color:var(--ink);}
.btn-secondary:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-pill{border-radius:999px;}
.nav-cta.btn{height:40px;padding:0 18px;font-size:14px;}

/* ---------- generic ---------- */
.section{padding:96px 0;}
.section + .section{border-top:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{position:relative;padding-left:16px;font-size:clamp(24px,2.6vw,30px);margin-bottom:14px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--ink);border-radius:2px;
}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-family:var(--ff-num);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink);background:var(--lime);padding:5px 12px;border-radius:999px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--ink);
  background:var(--ink-08);border-radius:999px;padding:4px 12px;
}
.badge-lime{background:var(--lime);}
.badge-outline{background:transparent;border:1px solid var(--ink-12);}
.rule{height:1px;background:var(--ink-12);border:0;margin:0;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--faint);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:2px;}
.crumb .sep{color:var(--faint);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- banner ---------- */
.banner{position:relative;margin-top:20px;overflow:hidden;border-radius:var(--r-card);}
.banner-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.banner-bg::after{content:"";position:absolute;inset:0;background:rgba(11,61,46,.72);}
.banner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .9fr;gap:40px;align-items:center;padding:56px 48px;}
.banner h1{color:#fff;font-size:clamp(28px,3.6vw,40px);line-height:1.3;margin-bottom:16px;}
.banner h1 .hl{color:var(--lime);}
.banner p.lead{color:rgba(255,255,255,.86);font-size:16px;margin:0;max-width:560px;}
.banner-tags{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.banner-tags .badge{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);padding:8px 16px;font-size:13px;}
.banner-tags .badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}
.banner-metrics{display:flex;gap:36px;margin-top:28px;flex-wrap:wrap;}
.banner-metrics div strong{display:block;font-family:var(--ff-num);font-size:30px;font-weight:800;color:var(--lime);line-height:1.1;}
.banner-metrics div span{font-size:12px;color:rgba(255,255,255,.72);}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.intro-copy h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:16px;}
.intro-copy p{color:var(--muted);}
.intro-points{margin-top:24px;display:grid;gap:12px;}
.intro-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);}
.intro-points li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;background:var(--lime);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.intro-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--ink-08);
  aspect-ratio:4/3;
}
.intro-media img{width:100%;height:100%;object-fit:cover;}
.intro-media::after{
  content:"";position:absolute;right:0;top:0;width:34%;height:34%;
  background:linear-gradient(225deg,var(--bg) 50%,transparent 50%);
}

/* ---------- feature cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.fcard{
  display:flex;flex-direction:column;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.fcard:hover{transform:translateY(-2px);border-color:var(--ink-40);box-shadow:var(--sh2);}
.fcard:active{transform:translateY(0);}
.fcard-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.icon-diamond{
  width:48px;height:48px;flex:0 0 48px;display:grid;place-items:center;
  background:var(--ink);clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.icon-diamond svg{width:22px;height:22px;fill:var(--lime);}
.fcard h3{font-size:20px;font-weight:700;}
.fcard p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}
.fcard-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
}
.fcard-link span{transition:transform .18s var(--ease);}
.fcard:hover .fcard-link span{transform:translateX(4px);}
.fcard-link:hover{text-decoration:underline;text-underline-offset:2px;}

/* ---------- dark panel ---------- */
.panel{
  background:var(--dark);color:#fff;border-radius:var(--r-card);padding:56px 48px;position:relative;overflow:hidden;
}
.panel::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.panel > *{position:relative;z-index:2;}
.panel h2{color:#fff;font-size:clamp(24px,2.6vw,30px);margin-bottom:12px;}
.panel .panel-sub{color:rgba(255,255,255,.7);max-width:640px;margin-bottom:36px;}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.panel-col{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:26px 24px;
}
.panel-col h3{color:var(--lime);font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.panel-col h3 em{font-style:normal;font-family:var(--ff-num);font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.06em;}
.panel-list{display:grid;gap:12px;}
.panel-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.75;}
.panel-list li::before{
  content:"";flex:0 0 7px;width:7px;height:7px;margin-top:8px;border-radius:50%;background:var(--lime);
}
.panel-col.alert h3{color:var(--orange);}
.panel-col.alert .panel-list li::before{background:var(--orange);}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;}
.flow-item{position:relative;padding:0 24px 0 0;}
.flow-item::after{
  content:"";position:absolute;top:11px;left:26px;right:0;height:1px;background:var(--ink-12);
}
.flow-item:last-child::after{display:none;}
.flow-dot{
  position:relative;z-index:2;width:22px;height:22px;border-radius:50%;
  background:var(--card);border:2px solid var(--ink-12);display:grid;place-items:center;
  font-family:var(--ff-num);font-size:11px;font-weight:700;color:var(--muted);
}
.flow-item.is-current .flow-dot{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.flow-item h3{font-size:16px;margin:16px 0 8px;padding-right:16px;}
.flow-item p{font-size:14px;color:var(--muted);margin:0;padding-right:16px;line-height:1.8;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--ink-40);box-shadow:var(--sh1);}
.faq-item[open]{border-color:var(--ink-40);box-shadow:var(--sh1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--ink);
  border-left:4px solid transparent;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--ink);}
.faq-item[open] summary{border-left-color:var(--ink);}
.faq-icon{
  margin-left:auto;flex:0 0 20px;width:20px;height:20px;position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-body{padding:0 22px 22px 40px;color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  text-align:center;padding:72px 40px;
}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(11,61,46,.85);}
.cta-band-inner{position:relative;z-index:2;max-width:640px;margin:0 auto;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.8);margin-bottom:28px;}
.cta-band .btn-primary{height:50px;padding:0 32px;}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);margin-top:96px;position:relative;}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.footer-inner{position:relative;z-index:2;padding:72px 24px 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--lime);}
.footer-brand strong{display:block;font-family:var(--ff-num);font-size:17px;font-weight:800;color:#fff;text-transform:lowercase;letter-spacing:.02em;line-height:1.1;}
.footer-brand em{font-style:normal;font-size:11px;color:rgba(255,255,255,.6);letter-spacing:.04em;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col a{
  display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.72);text-decoration:none;
}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:2px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .banner-inner{grid-template-columns:1fr;padding:44px 36px;gap:28px;}
  .banner-tags{flex-direction:row;flex-wrap:wrap;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .panel{padding:44px 32px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .flow-item:nth-child(2)::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .nav-wrap{height:60px;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;
    background:var(--card);border-left:1px solid var(--line);box-shadow:var(--sh2);
    flex-direction:column;align-items:stretch;gap:0;
    padding:84px 20px 100px;transform:translateX(102%);
    transition:transform .22s var(--ease);z-index:70;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::before{left:auto;right:2px;}
  .drawer-cta{display:inline-flex;margin-top:24px;width:100%;}
  .banner{padding:0;border-radius:12px;}
  .banner-inner{padding:32px 22px;}
  .banner-metrics{gap:24px;}
  .banner-metrics div strong{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .panel{padding:36px 22px;}
  .panel-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;gap:26px;}
  .flow-item{padding-right:0;}
  .flow-item::after{display:none;}
  .flow-item p,.flow-item h3{padding-right:0;}
  .faq-body{padding-left:22px;}
  .cta-band{padding:56px 22px;}
  .cta-band .btn-primary{width:100%;}
  .btn{min-height:44px;}
  .footer-inner{padding:52px 16px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:0;}
  .site-footer{margin-top:56px;}
  .footer-col{border-top:1px solid rgba(255,255,255,.1);padding:4px 0;}
  .footer-col h4{margin:16px 0 8px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .banner h1{font-size:26px;}
  .banner-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  .banner-metrics div strong{font-size:20px;}
  .banner-metrics div span{font-size:11px;}
  .fcard{padding:22px 20px;}
  .badge{white-space:normal;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}