/* roulang page: index */
:root{
  --ink:#062E24;
  --brand:#0E7A5F;
  --brand-soft:#3FA37C;
  --lime:#B7F04A;
  --orange:#FF7A2F;
  --bg:#F4F7F2;
  --dark:#071A15;
  --card:#FFFFFF;
  --text:#0A1F18;
  --muted:#4B6158;
  --line:#DDE7DE;
  --grad:linear-gradient(135deg,#062E24 0%,#0E7A5F 48%,#B7F04A 100%);
  --grad-btn:linear-gradient(120deg,#062E24 0%,#0E7A5F 64%,#2FA97C 100%);
  --radius-lg:28px;
  --radius-md:22px;
  --radius-sm:14px;
  --shadow:0 14px 40px rgba(7,26,21,.06);
  --shadow-hover:0 24px 60px rgba(7,26,21,.12);
  --sec-pad:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;font-weight:800;line-height:1.25;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

.container{max-width:1280px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1320px;}}

.section{padding:var(--sec-pad) 0;}
.section-tight{padding:64px 0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}

.sec-title{font-size:clamp(1.6rem,3vw,2.5rem);margin-bottom:16px;}
.sec-desc{color:var(--muted);font-size:16.5px;max-width:44em;}

/* ---------- buttons ---------- */
.btn{font-family:inherit;font-weight:700;border-radius:999px;padding:13px 26px;font-size:15.5px;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;border:1px solid transparent;}
.btn:focus-visible{outline:3px solid rgba(183,240,74,.9);outline-offset:3px;box-shadow:none;}
.btn-brand{background:var(--grad-btn);color:#fff;box-shadow:0 12px 28px rgba(14,122,95,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 44px rgba(14,122,95,.36);}
.btn-outline-green{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline-green:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#c6f76b;color:var(--ink);transform:translateY(-2px);}
.btn-ghost-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}

.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);}
.link-arrow i{transition:transform .25s ease;}
.link-arrow:hover i{transform:translateX(5px);}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:0;min-height:78px;align-items:center;}
.brand{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:900;letter-spacing:-.03em;color:var(--ink);}
.brand .brand-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(183,240,74,.28);flex:0 0 auto;}
.brand em{font-style:normal;color:var(--brand);}
.brand:hover{color:var(--ink);}

.site-nav .nav-link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--text);
  padding:10px 0;margin:0 0 0 30px;
}
.site-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;
}
.site-nav .nav-link:hover{color:var(--brand);}
.site-nav .nav-link:hover::after{transform:scaleX(1);}
.site-nav .nav-link.active{color:var(--ink);font-weight:800;}
.site-nav .nav-link.active::after{transform:scaleX(1);}
.site-nav .nav-link .nav-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);
  margin-left:7px;vertical-align:middle;
}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-actions .btn{padding:11px 22px;font-size:14.5px;}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;padding:8px 11px;color:var(--ink);
  box-shadow:none !important;
}
.navbar-toggler i{font-size:18px;}

@media (max-width:991.98px){
  #mainNav{width:100%;}
  .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 24px;}
  .offcanvas-body{padding:8px 24px 28px;}
  .site-nav .nav-link{
    margin:0;padding:18px 0;font-size:19px;font-weight:700;
    border-bottom:1px solid var(--line);
  }
  .site-nav .nav-link::after{display:none;}
  .site-nav .nav-link.active{color:var(--brand);}
  .offcanvas .mobile-cta{margin-top:24px;display:grid;gap:12px;}
  .offcanvas .mobile-cta .btn{width:100%;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:84px 0 92px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(183,240,74,.22),transparent 62%),
    radial-gradient(700px 380px at 4% 108%,rgba(14,122,95,.14),transparent 60%);
}
.hero h1{
  font-size:clamp(2rem,4.5vw,3.55rem);
  font-weight:900;line-height:1.14;
  letter-spacing:-.03em;margin-bottom:22px;
}
.hero h1 .hl{color:var(--brand);}
.hero-lead{color:var(--muted);font-size:17px;line-height:1.9;max-width:40em;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 28px 70px rgba(7,26,21,.18);
  min-height:340px;
}
.hero-media img{width:100%;height:100%;object-fit:cover;min-height:340px;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(6,46,36,.34) 0%,rgba(6,46,36,.06) 55%,rgba(183,240,74,.18) 100%);
}
.hero-media .media-tag{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--ink);
  font-size:13.5px;font-weight:700;padding:9px 16px;border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;
}
.hero-media .media-tag i{color:var(--brand);}

.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:44px;}
.stat-badge{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:18px 20px;box-shadow:var(--shadow);
}
.stat-badge .num{
  font-family:"Inter","DIN Alternate",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:1.75rem;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.2;
}
.stat-badge .num span{font-size:1rem;font-weight:700;color:var(--brand);margin-left:2px;}
.stat-badge .label{font-size:13px;color:var(--muted);margin-top:6px;display:flex;align-items:center;gap:7px;}
.stat-badge .label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);flex:0 0 auto;}

/* ---------- pain points ---------- */
.pain-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start;}
.pain-sticky{position:sticky;top:120px;}
.pain-list{display:grid;gap:20px;}
.pain-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 28px;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.35);}
.pain-card:nth-child(even){margin-left:38px;}
.pain-card h3{font-size:1.15rem;margin-bottom:10px;}
.pain-card p{color:var(--muted);font-size:15.5px;margin-bottom:14px;}
.tag-line{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12.5px;font-weight:700;color:var(--brand);
  background:rgba(14,122,95,.09);border:1px solid rgba(14,122,95,.16);
  padding:5px 12px;border-radius:999px;
}
.tag.warm{color:#B84C10;background:rgba(255,122,47,.1);border-color:rgba(255,122,47,.2);}

/* ---------- solutions ---------- */
.solve-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:center;margin-bottom:78px;}
.solve-row:last-child{margin-bottom:0;}
.solve-row.reverse .solve-media{order:2;}
.solve-row.reverse .solve-text{order:1;}
.solve-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 22px 56px rgba(7,26,21,.12);}
.solve-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.solve-text h3{font-size:clamp(1.25rem,1.9vw,1.6rem);margin-bottom:14px;}
.solve-text p{color:var(--muted);}
.check-list{display:grid;gap:12px;margin-top:20px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text);}
.check-list i{color:var(--brand);margin-top:5px;font-size:15px;}

/* ---------- topic entries ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.topic-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px 24px;box-shadow:var(--shadow);height:100%;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.4);}
.topic-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(14,122,95,.14),rgba(183,240,74,.28));
  color:var(--ink);font-size:18px;margin-bottom:18px;
}
.topic-card h3{font-size:1.08rem;margin-bottom:8px;}
.topic-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- results (dark) ---------- */
.results{
  background:linear-gradient(135deg,#062E24 0%,#0E7A5F 62%,#0B3B2E 100%);
  color:#EAF4EE;border-radius:0;position:relative;overflow:hidden;
}
.results::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(183,240,74,.14) 0 1px,transparent 1px 120px),
    radial-gradient(700px 320px at 90% 10%,rgba(183,240,74,.2),transparent 65%);
  opacity:.5;
}
.results .container{position:relative;z-index:2;}
.results h2{color:#fff;}
.results .sec-desc{color:rgba(234,244,238,.78);}
.results-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:44px;}
.result-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(183,240,74,.28);
  border-radius:22px;padding:26px 22px;backdrop-filter:blur(4px);
}
.result-card .num{
  font-family:"Inter","DIN Alternate",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:2.35rem;font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.1;
}
.result-card .num span{font-size:1.05rem;color:var(--lime);margin-left:3px;}
.result-card .label{margin-top:10px;font-size:14px;color:rgba(234,244,238,.8);display:flex;align-items:center;gap:8px;}
.result-card .label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);}
.result-bar{height:5px;border-radius:999px;background:rgba(255,255,255,.16);margin-top:18px;overflow:hidden;}
.result-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),#7DE0B0);}

/* ---------- testimonials ---------- */
.voice-scroll{display:flex;gap:24px;overflow-x:auto;padding:8px 4px 26px;scroll-snap-type:x mandatory;}
.voice-scroll::-webkit-scrollbar{height:6px;}
.voice-scroll::-webkit-scrollbar-thumb{background:rgba(14,122,95,.35);border-radius:999px;}
.voice-card{
  flex:0 0 clamp(280px,38%,430px);scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:32px 30px;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.voice-card .quote-mark{font-size:2.6rem;line-height:1;color:var(--lime);font-weight:900;margin-bottom:12px;}
.voice-card p{font-size:15.5px;color:var(--text);line-height:1.85;}
.voice-person{display:flex;align-items:center;gap:14px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);}
.voice-avatar{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#0E7A5F,#B7F04A);color:#fff;font-weight:800;font-size:15px;flex:0 0 auto;
}
.voice-person .name{font-weight:800;color:var(--ink);font-size:15px;}
.voice-person .role{font-size:13.5px;color:var(--muted);}

/* ---------- latest posts ---------- */
.posts-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.posts-grid > *:first-child{grid-column:span 2;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.35);}
.post-thumb{overflow:hidden;aspect-ratio:16/10;background:#E7EEE8;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.post-card:hover .post-thumb img{transform:scale(1.045);}
.post-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.post-cat{
  align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--brand);
  background:rgba(14,122,95,.09);border:1px solid rgba(14,122,95,.16);
  padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.post-title{font-size:1.1rem;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title a:hover{color:var(--brand);}
.post-summary{
  font-size:14.8px;color:var(--muted);margin-bottom:18px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--muted);padding-top:16px;border-top:1px solid var(--line);
}
.post-meta .more{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.post-card:hover .post-meta .more i{transform:translateX(4px);}
.post-meta .more i{transition:transform .25s ease;}
.post-card-feature{flex-direction:row;}
.post-card-feature .post-thumb{aspect-ratio:auto;flex:1 1 50%;min-height:290px;}
.post-card-feature .post-body{flex:1 1 50%;justify-content:center;padding:34px 34px 36px;}
.post-card-feature .post-title{font-size:1.45rem;-webkit-line-clamp:3;}

.empty-state{
  border:1px dashed rgba(14,122,95,.35);border-radius:24px;background:rgba(255,255,255,.7);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--brand);display:block;margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start;}
.faq-side{position:sticky;top:120px;}
.accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;}
.accordion-button{
  background:transparent;box-shadow:none !important;color:var(--ink);
  font-size:18px;font-weight:700;padding:24px 52px 24px 0;position:relative;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;}
.accordion-button::after{display:none;}
.accordion-button .faq-icon{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:13px;color:var(--brand);
  transition:background .25s ease,color .25s ease,transform .25s ease,border-color .25s ease;
}
.accordion-button:not(.collapsed) .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-50%) rotate(180deg);}
.accordion-body{padding:0 60px 26px 0;color:var(--muted);font-size:15.8px;line-height:1.85;max-width:820px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad);padding:64px 56px;color:#fff;
  box-shadow:0 30px 70px rgba(7,26,21,.2);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 88% 8%,rgba(255,255,255,.26),transparent 60%);
}
.cta-band .cta-inner{position:relative;z-index:2;max-width:760px;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.2rem);margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:16px;max-width:40em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-trust{margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.82);display:flex;flex-wrap:wrap;gap:22px;}
.cta-trust span{display:inline-flex;align-items:center;gap:8px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9D8D0;padding:72px 0 28px;margin-top:96px;}
.site-footer h4{color:#fff;font-size:15px;letter-spacing:.04em;margin-bottom:18px;font-weight:800;}
.site-footer p{color:#A9BDB3;font-size:14.5px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1.22rem;font-weight:900;color:#fff;letter-spacing:-.03em;margin-bottom:16px;}
.footer-brand .brand-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);flex:0 0 auto;}
.footer-brand em{font-style:normal;color:var(--lime);}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14.5px;color:#C9D8D0;}
.footer-links a:hover{color:var(--lime);}
.footer-divider{border-top:1px solid rgba(255,255,255,.12);margin:48px 0 22px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13.5px;color:#8FA69B;}
.footer-bottom a{color:#8FA69B;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--sec-pad:80px;}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .results-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  :root{--sec-pad:68px;}
  .hero{padding:56px 0 66px;}
  .hero-media{min-height:280px;margin-top:38px;}
  .hero-media img{min-height:280px;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pain-grid{grid-template-columns:1fr;gap:32px;}
  .pain-sticky{position:static;}
  .pain-card:nth-child(even){margin-left:0;}
  .solve-row{grid-template-columns:1fr;gap:30px;margin-bottom:60px;}
  .solve-row.reverse .solve-media{order:0;}
  .solve-row.reverse .solve-text{order:0;}
  .posts-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .post-card-feature{flex-direction:column;}
  .post-card-feature .post-thumb{aspect-ratio:16/10;min-height:0;}
  .post-card-feature .post-body{padding:24px;}
  .post-card-feature .post-title{font-size:1.2rem;-webkit-line-clamp:2;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .cta-band{padding:48px 30px;}
  .site-footer{margin-top:68px;}
}
@media (max-width:575.98px){
  :root{--sec-pad:52px;}
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .posts-grid{grid-template-columns:1fr;}
  .posts-grid > *:first-child{grid-column:span 1;}
  .topic-grid{grid-template-columns:1fr;}
  .results-grid{grid-template-columns:1fr;}
  .voice-card{flex:0 0 84%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;text-align:center;}
  .hide-xs{display:none;}
  .accordion-button{font-size:16.5px;padding-right:46px;}
  .accordion-body{padding-right:16px;}
}

/* roulang page: article */
:root{
  --ink:#0A1F18;
  --ink-2:#4B6158;
  --ink-3:#7C8F87;
  --bg:#F4F7F2;
  --dark:#071A15;
  --dark-2:#0B2A21;
  --card:#FFFFFF;
  --line:#DDE7DE;
  --brand:#0E7A5F;
  --brand-deep:#062E24;
  --lime:#B7F04A;
  --orange:#FF7A2F;
  --grad:linear-gradient(135deg,#062E24 0%,#0E7A5F 48%,#B7F04A 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --sh:0 14px 40px rgba(7,26,21,.06);
  --sh-h:0 24px 60px rgba(7,26,21,.12);
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --num:"DIN Alternate","Barlow",Inter,"Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:#0a5c47;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(183,240,74,.85);outline-offset:2px;border-radius:6px;}

.container{max-width:1280px;padding-left:20px;padding-right:20px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-dark{background:var(--dark);color:#C9D8D0;}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:0;min-height:76px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:900;color:var(--ink);letter-spacing:-.02em;
}
.brand em{font-style:normal;color:var(--brand);}
.brand-dot{
  width:11px;height:11px;border-radius:50%;
  background:var(--grad);display:inline-block;flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(183,240,74,.28);
}
.site-nav{gap:2px;}
.site-nav .nav-link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ink-2);
  padding:10px 14px;border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.site-nav .nav-link:hover{color:var(--brand-deep);background:rgba(14,122,95,.06);}
.site-nav .nav-link.active{color:var(--brand-deep);}
.site-nav .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-dot{
  width:6px;height:6px;border-radius:50%;background:var(--orange);
  display:inline-block;margin-left:6px;vertical-align:middle;
}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;padding:8px 12px;
  color:var(--brand-deep);background:#fff;
}
.navbar-toggler:focus{box-shadow:none;}
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-body{padding:16px 20px 28px;}
.mobile-cta{display:flex;flex-direction:column;gap:10px;margin-top:18px;}

/* ---------- buttons ---------- */
.btn{font-weight:700;border-radius:999px;padding:12px 24px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn-brand{background:var(--grad);color:#fff;border:0;box-shadow:0 10px 26px rgba(14,122,95,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(14,122,95,.36);}
.btn-outline-green{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-outline-green:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{border:1px solid rgba(255,255,255,.42);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:#fff;color:var(--brand-deep);}
.btn-link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);padding:0;}
.btn-link-arrow i{transition:transform .2s ease;}
.btn-link-arrow:hover i{transform:translateX(4px);}

/* ---------- page banner / breadcrumb ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(6,46,36,.94),rgba(14,122,95,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 68px;
}
.page-banner::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,240,74,.30),transparent 68%);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:#fff;font-weight:600;}
.crumb i{font-size:11px;}

/* ---------- article header ---------- */
.article-head{max-width:860px;position:relative;z-index:2;}
.tag-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:7px 16px;border-radius:999px;
  background:rgba(183,240,74,.16);border:1px solid rgba(183,240,74,.5);color:var(--lime);
}
.article-head h1{
  color:#fff;font-size:clamp(1.7rem,3.4vw,2.75rem);line-height:1.28;
  margin:20px 0 16px;font-weight:900;
}
.article-summary{font-size:16.5px;color:rgba(255,255,255,.86);line-height:1.85;max-width:780px;margin-bottom:22px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:rgba(255,255,255,.8);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--lime);}

/* ---------- layout ---------- */
.article-wrap{padding:64px 0 84px;}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:44px 46px;box-shadow:var(--sh);
}
.article-body h2{
  font-size:clamp(1.35rem,2.2vw,1.7rem);margin:44px 0 16px;padding-left:16px;position:relative;line-height:1.4;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:6px;background:var(--grad);
}
.article-body h3{font-size:1.2rem;margin:30px 0 12px;color:var(--brand-deep);}
.article-body p{line-height:1.88;color:#1C332B;margin:0 0 1.1em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body li{position:relative;padding-left:26px;margin-bottom:10px;line-height:1.85;color:#1C332B;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(14,122,95,.12);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;
  background:rgba(14,122,95,.12);color:var(--brand-deep);font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-family:var(--num);
}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;border-left:4px solid var(--brand);
  background:rgba(14,122,95,.06);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--brand-deep);font-weight:600;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:18px;margin:22px 0;box-shadow:var(--sh);}
.article-body a{font-weight:600;border-bottom:1px solid rgba(14,122,95,.35);}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15.5px;border-radius:var(--r-sm);overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:#EEF4EC;color:var(--brand-deep);font-weight:700;}
.article-body code{background:#EEF4EC;padding:2px 7px;border-radius:6px;font-size:.92em;color:var(--brand-deep);}

.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--r-lg);background:#FAFCF9;
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-state h2{font-size:1.4rem;margin-bottom:12px;}
.empty-state p{color:var(--ink-2);}

/* ---------- sidebar ---------- */
.side-col{position:relative;}
.side-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh);
}
.side-card h3{
  font-size:15px;letter-spacing:.06em;color:var(--brand-deep);
  text-transform:none;margin-bottom:16px;display:flex;align-items:center;gap:9px;
}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.toc-list li{margin-bottom:6px;}
.toc-list a{
  display:block;font-size:14.5px;color:var(--ink-2);font-weight:600;
  padding:7px 12px;border-radius:10px;border-left:2px solid transparent;line-height:1.6;
}
.toc-list a:hover{background:rgba(14,122,95,.07);color:var(--brand-deep);border-left-color:var(--brand);}
.toc-list .lvl-3 a{padding-left:26px;font-size:13.8px;font-weight:500;color:var(--ink-3);}
.toc-empty{font-size:14px;color:var(--ink-3);margin:0;display:none;}
.side-links li{margin-bottom:4px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);padding:10px 12px;border-radius:12px;
  border:1px solid transparent;transition:all .2s ease;
}
.side-links a:hover{background:#F4F9F2;border-color:var(--line);color:var(--brand-deep);}
.side-links i{font-size:12px;color:var(--brand);}

/* ---------- notice strip ---------- */
.notice-strip{
  border-radius:var(--r-xl);padding:34px 38px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh);position:relative;overflow:hidden;
}
.notice-strip::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--grad);
}
.notice-strip h2{font-size:1.3rem;margin-bottom:14px;}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 26px;}
.check-list li{position:relative;padding-left:28px;font-size:15.5px;color:var(--ink-2);line-height:1.75;}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:50%;
  background:rgba(14,122,95,.12);color:var(--brand);font-size:10px;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- related cards ---------- */
.sec-head{max-width:720px;margin-bottom:36px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.35;}
.sec-head p{margin-top:12px;color:var(--ink-2);}
.post-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(14,122,95,.35);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EEF4EC;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.chip{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12.5px;font-weight:700;color:var(--brand-deep);
  background:rgba(183,240,74,.35);border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
.post-card h3{font-size:1.05rem;line-height:1.55;margin-bottom:10px;}
.post-card h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--brand);}
.post-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;flex:1;margin-bottom:16px;}
.post-card .foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:linear-gradient(120deg,rgba(6,46,36,.95),rgba(14,122,95,.88)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:60px 54px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,240,74,.34),transparent 70%);
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.2rem);line-height:1.35;margin-bottom:14px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.88);max-width:640px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:2;}
.cta-note{margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.72);position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9D8D0;padding:72px 0 30px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:900;color:#fff;margin-bottom:16px;}
.footer-brand em{font-style:normal;color:var(--lime);}
.site-footer p{font-size:14.5px;line-height:1.85;color:#96AFA4;max-width:340px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:#C9D8D0;}
.footer-links a:hover{color:var(--lime);}
.footer-divider{height:1px;background:rgba(255,255,255,.1);margin:44px 0 22px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13.5px;color:#8AA398;}
.footer-bottom a{color:#B7F04A;}

@media (max-width:1199px){
  .article-body{padding:38px 34px;}
}
@media (max-width:991px){
  .section{padding:68px 0;}
  .page-banner{padding:44px 0 56px;}
  .site-nav .nav-link{padding:14px 6px;font-size:16.5px;border-radius:0;border-bottom:1px solid var(--line);}
  .site-nav .nav-link.active::after{display:none;}
  .site-nav .nav-link.active{color:var(--brand);}
  .side-sticky{position:static;margin-top:34px;}
  .article-wrap{padding:48px 0 64px;}
  .cta-band{padding:44px 30px;}
  .check-list{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .article-body{padding:28px 22px;border-radius:var(--r-lg);}
  .article-head h1{font-size:1.6rem;}
  .notice-strip{padding:26px 22px;}
  .cta-band{padding:36px 22px;border-radius:var(--r-lg);}
  .cta-actions .btn{width:100%;justify-content:center;text-align:center;}
  .site-footer{padding:56px 0 26px;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .article-meta{gap:8px 16px;}
  .post-card .body{padding:18px 18px 20px;}
}

/* roulang page: category1 */
:root{
  --deep:#062E24;
  --green:#0E7A5F;
  --lime:#B7F04A;
  --orange:#FF7A2F;
  --dark:#071A15;
  --bg:#F4F7F2;
  --card:#FFFFFF;
  --ink:#0A1F18;
  --ink-2:#4B6158;
  --line:#DDE7DE;
  --grad:linear-gradient(135deg,#062E24 0%,#0E7A5F 48%,#B7F04A 100%);
  --grad-soft:linear-gradient(135deg,rgba(6,46,36,.06),rgba(183,240,74,.14));
  --radius-lg:28px;
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 14px 40px rgba(7,26,21,.06);
  --shadow-hover:0 24px 60px rgba(7,26,21,.12);
  --ease:cubic-bezier(.22,.68,.28,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(183,240,74,.95);outline-offset:3px;border-radius:8px}
.container{max-width:1240px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1300px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.84);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:0;min-height:78px;align-items:center}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
}
.brand em{font-style:normal;color:var(--green)}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(183,240,74,.28);
  flex:0 0 10px;
}
.site-nav{align-items:center;gap:2px}
.site-nav .nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:8px 14px;border-radius:999px;
  transition:color .22s var(--ease);
}
.site-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.site-nav .nav-link:hover{color:var(--ink)}
.site-nav .nav-link:hover::after{transform:scaleX(1)}
.site-nav .nav-link.active{color:var(--ink);font-weight:700}
.site-nav .nav-link.active::after{transform:scaleX(1);background:var(--lime)}
.nav-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--orange);margin-left:6px;vertical-align:middle;
}
.header-actions{align-items:center;gap:12px}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;
  width:44px;height:44px;padding:0;color:var(--ink);
  display:grid;place-items:center;background:#fff;
}
.navbar-toggler:focus{box-shadow:none}
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas-body{padding:24px 20px 32px}
@media (max-width:991.98px){
  .site-header .navbar{min-height:66px}
  .offcanvas-lg{width:100%!important;max-width:100%;border:0}
  .site-nav{gap:0;margin-top:8px}
  .site-nav .nav-link{
    font-size:18px;font-weight:600;color:var(--ink);
    padding:16px 4px;border-bottom:1px solid var(--line);border-radius:0;
  }
  .site-nav .nav-link::after{display:none}
  .site-nav .nav-link.active{color:var(--green)}
  .mobile-cta{display:grid;gap:12px;margin-top:28px}
  .mobile-cta .btn{width:100%;text-align:center;padding:14px 20px}
}
.btn-close{--bs-btn-close-focus-shadow:none}

/* ---------- buttons ---------- */
.btn{border-radius:999px;font-weight:700;font-size:15px;transition:all .26s var(--ease);border:1px solid transparent}
.btn-brand{
  background:var(--grad);color:#fff;border:0;padding:12px 26px;
  box-shadow:0 12px 28px rgba(14,122,95,.24);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(14,122,95,.32)}
.btn-outline-green{
  border:1px solid var(--green);color:var(--green);background:transparent;
  padding:11px 24px;font-weight:600;
}
.btn-outline-green:hover{background:var(--green);color:#fff;transform:translateY(-2px)}
.btn-outline-light{
  border:1px solid rgba(255,255,255,.5);color:#fff;background:transparent;
  padding:11px 24px;font-weight:600;
}
.btn-outline-light:hover{background:#fff;color:var(--deep);transform:translateY(-2px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--green);font-weight:700;font-size:15px;
}
.link-arrow i{transition:transform .24s var(--ease)}
.link-arrow:hover i{transform:translateX(5px)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#062E24 0%,#0E7A5F 58%,#0E7A5F 100%);
  color:#fff;padding:84px 0 76px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.24;mix-blend-mode:overlay;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1100px 460px at 82% 12%,rgba(183,240,74,.22),transparent 62%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:rgba(255,255,255,.68);margin-bottom:26px;
}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--lime)}
.crumb span{opacity:.5}
.crumb em{font-style:normal;color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--green);margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--lime);
}
.eyebrow.on-dark{color:var(--lime)}
.page-hero h1{
  color:#fff;
  font-size:clamp(2rem,4.2vw,3.4rem);
  font-weight:900;
  letter-spacing:-.03em;
  margin-bottom:20px;
}
.hero-sub{
  color:rgba(255,255,255,.82);
  font-size:17px;line-height:1.85;max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-card{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.24);
  box-shadow:0 30px 70px rgba(3,16,12,.42);
  background:rgba(255,255,255,.06);
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px}
.stat{
  flex:1 1 190px;min-width:150px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(183,240,74,.28);
  border-radius:18px;padding:16px 20px;
  backdrop-filter:blur(8px);
}
.stat b{
  display:block;font-size:28px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;
  font-family:"DIN Alternate","Barlow",Inter,system-ui,sans-serif;
  line-height:1.2;
}
.stat span{font-size:13px;color:#C9D8D0;line-height:1.5;display:block;margin-top:4px}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--dark);color:#E7F1EC}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-title{
  font-size:clamp(1.6rem,3vw,2.5rem);
  font-weight:800;line-height:1.25;margin-bottom:16px;
}
.sec-desc{color:var(--ink-2);font-size:16.5px;line-height:1.85;margin:0}
.section-dark .sec-desc{color:#A9BFB6}

/* ---------- timeline ---------- */
.timeline{position:relative}
.tl-item{position:relative;padding-left:76px;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item:not(:last-child)::before{
  content:"";position:absolute;left:27px;top:58px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(14,122,95,.4),rgba(183,240,74,.35),rgba(221,231,222,.2));
}
.tl-marker{
  position:absolute;left:0;top:0;width:56px;height:56px;border-radius:18px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-family:"DIN Alternate","Barlow",Inter,system-ui,sans-serif;
  font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 12px 26px rgba(14,122,95,.28);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.32)}
.tl-card h3{font-size:1.2rem;margin-bottom:10px}
.tl-card p{color:var(--ink-2);font-size:15.5px;line-height:1.82;margin-bottom:14px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;
  color:var(--green);background:rgba(14,122,95,.08);
  border:1px solid rgba(14,122,95,.18);
  border-radius:999px;padding:5px 12px;
}
.tag.warn{color:var(--orange);background:rgba(255,122,47,.1);border-color:rgba(255,122,47,.22)}
.tag.lime{color:#3C5A0F;background:rgba(183,240,74,.28);border-color:rgba(183,240,74,.6)}

/* ---------- sticky aside ---------- */
.sticky-card{
  position:sticky;top:104px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
}
.sticky-card h3{font-size:1.15rem;margin-bottom:6px}
.sticky-card .sub{font-size:14px;color:var(--ink-2);margin-bottom:20px}
.sticky-meta{
  display:flex;gap:12px;margin:22px 0;
  padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sticky-meta div{flex:1}
.sticky-meta b{
  display:block;font-size:22px;font-weight:800;color:var(--green);
  font-variant-numeric:tabular-nums;
  font-family:"DIN Alternate","Barlow",Inter,system-ui,sans-serif;
}
.sticky-meta span{font-size:12.5px;color:var(--ink-2)}
.sticky-actions{display:grid;gap:10px;margin-top:22px}
.sticky-actions .btn{width:100%;text-align:center}
.sticky-note{
  margin-top:18px;font-size:13px;color:var(--ink-2);
  background:var(--grad-soft);border-radius:var(--radius-sm);
  padding:12px 14px;line-height:1.7;
}

/* ---------- check list ---------- */
.check-list{display:grid;gap:12px}
.check-list li{
  position:relative;padding-left:32px;
  font-size:15.5px;color:var(--ink-2);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;
  background:rgba(183,240,74,.35);border:1px solid rgba(14,122,95,.35);
}
.check-list li::after{
  content:"";position:absolute;left:7px;top:10px;width:5px;height:9px;
  border-right:2px solid var(--green);border-bottom:2px solid var(--green);
  transform:rotate(45deg);
}
.check-list.on-dark li{color:#C9D8D0}
.check-list.on-dark li::before{background:rgba(183,240,74,.18);border-color:rgba(183,240,74,.5)}

/* ---------- scene cards ---------- */
.scene-card{
  height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.3)}
.scene-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(14,122,95,.16);
  color:var(--green);font-size:20px;margin-bottom:18px;
}
.scene-card h3{font-size:1.1rem;margin-bottom:10px}
.scene-card p{color:var(--ink-2);font-size:15px;line-height:1.8;margin:0}

/* ---------- dark band ---------- */
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.band-cell{
  border:1px solid rgba(183,240,74,.22);
  border-radius:var(--radius);padding:26px 24px;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  position:relative;overflow:hidden;
}
.band-cell::after{
  content:"";position:absolute;left:24px;right:24px;bottom:20px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(183,240,74,.85),rgba(183,240,74,0));
}
.band-cell b{
  display:block;font-size:38px;font-weight:800;color:#fff;line-height:1.1;
  font-variant-numeric:tabular-nums;
  font-family:"DIN Alternate","Barlow",Inter,system-ui,sans-serif;
}
.band-cell span{display:block;margin-top:10px;font-size:13.5px;color:#A9BFB6;line-height:1.6}
.band-cell i{color:var(--lime);font-style:normal}

/* ---------- related cards ---------- */
.related-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.32)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.related-card:hover .thumb img{transform:scale(1.05)}
.related-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:1.05rem;line-height:1.45}
.related-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0}
.related-body .link-arrow{margin-top:auto;font-size:14px}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  padding:26px 0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--green)}
.faq-icon{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--green);font-size:13px;
  transition:all .28s var(--ease);
}
.faq-item.open .faq-icon{background:var(--green);border-color:var(--green);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq-a-inner{
  padding:0 60px 26px 0;max-width:820px;
  color:var(--ink-2);font-size:15.5px;line-height:1.85;
}
.faq-item.open .faq-a{max-height:640px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:32px;
  padding:64px 56px;color:#fff;
  box-shadow:0 30px 70px rgba(7,26,21,.18);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.24),transparent 68%);
}
.cta-band h2{
  color:#fff;font-size:clamp(1.6rem,3vw,2.35rem);margin-bottom:16px;position:relative;z-index:2;
}
.cta-band p{color:rgba(255,255,255,.86);max-width:640px;position:relative;z-index:2;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.cta-trust{
  margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.26);
  font-size:13.5px;color:rgba(255,255,255,.78);
  display:flex;flex-wrap:wrap;gap:22px;position:relative;z-index:2;
}
.cta-trust span{display:inline-flex;align-items:center;gap:8px}
.cta-trust i{color:var(--lime)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9D8D0;padding:76px 0 34px;margin-top:0}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand em{font-style:normal;color:var(--lime)}
.site-footer p{font-size:14.5px;line-height:1.8;color:#A9BFB6;max-width:340px}
.site-footer h4{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:0;
}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14.5px;color:#A9BFB6}
.footer-links a:hover{color:var(--lime)}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:44px 0 26px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#7F9A90;
}
.footer-bottom a{color:#A9BFB6}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .band-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  body{font-size:16px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .page-hero{padding:56px 0 60px}
  .hero-card{margin-top:12px}
  .stats{margin-top:34px}
  .stat{flex:1 1 46%}
  .sticky-card{position:static;margin-top:32px}
  .sec-head{margin-bottom:36px}
  .cta-band{padding:44px 28px;border-radius:26px}
  .faq-a-inner{padding-right:0}
}
@media (max-width:767.98px){
  .tl-item{padding-left:62px;padding-bottom:24px}
  .tl-marker{width:46px;height:46px;border-radius:15px;font-size:16px}
  .tl-item:not(:last-child)::before{left:22px;top:48px}
  .tl-card{padding:20px 20px}
  .band-grid{grid-template-columns:1fr}
  .faq-q{font-size:16.5px;padding:22px 0;gap:16px}
  .stat b{font-size:24px}
  .band-cell b{font-size:32px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .page-hero h1{font-size:1.85rem}
  .hero-actions .btn{width:100%;text-align:center}
  .stats{gap:10px}
  .stat{flex:1 1 100%}
  .cta-actions .btn{width:100%;text-align:center}
  .cta-band{padding:36px 22px}
}

/* roulang page: category2 */
:root{
  --ink-deep:#062E24;
  --brand:#0E7A5F;
  --brand-soft:#E4F2EC;
  --lime:#B7F04A;
  --orange:#FF7A2F;
  --bg:#F4F7F2;
  --dark:#071A15;
  --card:#FFFFFF;
  --text:#0A1F18;
  --muted:#4B6158;
  --line:#DDE7DE;
  --grad:linear-gradient(135deg,#062E24 0%,#0E7A5F 48%,#B7F04A 100%);
  --grad-dark:linear-gradient(140deg,#062E24 0%,#0B4B3B 55%,#0E7A5F 100%);
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-sm:0 14px 40px rgba(7,26,21,.06);
  --shadow-lg:0 24px 60px rgba(7,26,21,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-family:"Barlow","Inter","DIN Alternate",system-ui,sans-serif}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:0;min-height:76px}
.site-header .container{display:flex;align-items:center;gap:16px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink-deep);
  white-space:nowrap;
}
.brand em{font-style:normal;color:var(--brand)}
.brand-dot{
  width:11px;height:11px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 4px rgba(14,122,95,.12);flex:0 0 auto;
}
.site-nav{align-items:center;gap:4px}
.site-nav .nav-link{
  position:relative;
  padding:8px 14px;font-size:15px;font-weight:600;color:var(--muted);
  border-radius:999px;transition:color .22s var(--ease),background .22s var(--ease);
}
.site-nav .nav-link:hover{color:var(--ink-deep);background:rgba(14,122,95,.07)}
.site-nav .nav-link.active{color:var(--ink-deep)}
.site-nav .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--grad);border-radius:2px;
}
.nav-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--orange);margin-left:6px;vertical-align:middle;
}
.header-actions .btn{padding:10px 20px;font-size:14.5px}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;padding:8px 12px;color:var(--ink-deep);
  background:#fff;margin-left:auto;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(183,240,74,.45)}
.btn-close{--bs-btn-close-focus-shadow:0 0 0 3px rgba(183,240,74,.45)}
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.offcanvas-body{padding:18px 22px 26px}
.mobile-cta{display:grid;gap:12px;margin-top:20px}
.mobile-cta .btn{width:100%;padding:14px 20px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;font-weight:700;font-size:15px;padding:13px 26px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(14,122,95,.22)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 44px rgba(14,122,95,.3)}
.btn-outline-green{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline-green:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost-light:hover{background:#fff;color:var(--ink-deep);transform:translateY(-2px)}
.btn-link-arrow{
  padding:0;border:0;background:none;color:var(--brand);font-weight:700;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-link-arrow i{transition:transform .25s var(--ease)}
.btn-link-arrow:hover i{transform:translateX(5px)}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--grad-dark);
  color:#fff;
  padding:96px 0 84px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.26;mix-blend-mode:luminosity;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1000px 460px at 12% 8%,rgba(183,240,74,.16),transparent 62%),
             linear-gradient(180deg,rgba(7,26,21,.15),rgba(7,26,21,.62));
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:26px;
}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--lime)}
.crumb i{font-size:10px;opacity:.6}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;border-radius:999px;
  border:1px solid rgba(183,240,74,.4);
  background:rgba(183,240,74,.1);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:22px;
}
.page-hero h1{
  font-size:clamp(2rem,4.4vw,3.5rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.15;max-width:15em;
}
.page-hero h1 span{
  background:linear-gradient(120deg,#B7F04A,#fff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:22px;max-width:44em;font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:52px;
}
.hero-strip .stat{
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  border-radius:18px;padding:18px 20px;
  backdrop-filter:blur(6px);
}
.hero-strip .stat b{
  display:block;font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;
  color:#fff;line-height:1.2;
}
.hero-strip .stat span{
  display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72);
}
.hero-strip .stat b::after{
  content:"";display:block;width:34px;height:3px;border-radius:3px;
  background:var(--lime);margin-top:10px;opacity:.85;
}

/* ============ sections ============ */
.section{padding:96px 0}
.section.tight{padding:76px 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.section-eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--orange);
}
.section-title{font-size:clamp(1.6rem,2.9vw,2.4rem);color:var(--ink-deep)}
.section-desc{margin-top:16px;color:var(--muted);font-size:16.5px;line-height:1.85}

/* ============ feature grid ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 30px;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;flex-direction:column;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(14,122,95,.34)}
.feature-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:20px;margin-bottom:22px;
}
.feature-card h3{font-size:1.22rem;color:var(--ink-deep);margin-bottom:12px}
.feature-card p{color:var(--muted);font-size:15.5px;line-height:1.85;margin-bottom:18px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--brand);
  background:rgba(14,122,95,.08);border:1px solid rgba(14,122,95,.16);
  border-radius:999px;padding:5px 12px;
}
.tag.warm{color:#C2521A;background:rgba(255,122,47,.1);border-color:rgba(255,122,47,.2)}

/* ============ matrix table ============ */
.matrix-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.matrix-head{
  background:var(--grad-dark);color:#fff;padding:30px 34px;
}
.matrix-head h3{font-size:1.3rem}
.matrix-head p{margin:8px 0 0;font-size:14.5px;color:rgba(255,255,255,.76)}
.matrix-scroll{overflow-x:auto}
table.matrix{width:100%;border-collapse:collapse;min-width:720px}
table.matrix th,table.matrix td{
  padding:20px 26px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.matrix thead th{
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--muted);
  text-transform:uppercase;background:#FAFCF9;white-space:nowrap;
}
table.matrix tbody tr{transition:background .22s var(--ease)}
table.matrix tbody tr:hover{background:#F7FBF6}
table.matrix tbody tr:last-child td{border-bottom:0}
table.matrix td:first-child{font-weight:700;color:var(--ink-deep)}
table.matrix td{color:var(--muted)}
.pill{
  display:inline-block;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:rgba(183,240,74,.28);color:#2A5410;border:1px solid rgba(183,240,74,.55);
  white-space:nowrap;
}
.pill.neutral{background:#EEF3ED;color:var(--muted);border-color:var(--line)}

/* ============ split rows ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split+.split{margin-top:80px}
.split-media{position:relative}
.split-media img{
  width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  aspect-ratio:16/11;object-fit:cover;
}
.split-media::after{
  content:"";position:absolute;inset:auto -16px -16px auto;width:132px;height:132px;
  border-radius:24px;background:var(--grad);opacity:.16;z-index:-1;
}
.split-body h3{font-size:clamp(1.35rem,2.3vw,1.85rem);color:var(--ink-deep);margin-bottom:14px}
.split-body p{color:var(--muted);font-size:16px;line-height:1.88}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.check-list i{
  flex:0 0 auto;margin-top:5px;width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;font-size:10px;
  background:rgba(14,122,95,.12);color:var(--brand);
}
.split.reverse .split-media{order:2}

/* ============ timeline ============ */
.timeline{position:relative;display:grid;gap:24px;padding-left:8px}
.timeline::before{
  content:"";position:absolute;left:26px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(14,122,95,.4),rgba(183,240,74,.5),rgba(14,122,95,.08));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:52px 1fr;gap:22px;align-items:start;
}
.tl-index{
  position:relative;z-index:2;
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  font-weight:800;font-size:16px;box-shadow:var(--shadow-sm);
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.tl-body h3{font-size:1.12rem;color:var(--ink-deep);margin-bottom:10px}
.tl-body p{color:var(--muted);font-size:15.5px;margin:0}

/* ============ dark band ============ */
.dark-band{
  background:var(--grad-dark);color:#fff;position:relative;overflow:hidden;
  border-radius:0;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 96px);
  opacity:.5;
}
.dark-band .container{position:relative;z-index:2}
.dark-band .section-title{color:#fff}
.dark-band .section-desc{color:rgba(255,255,255,.78)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
  border:1px solid rgba(255,255,255,.16);border-radius:20px;
  background:rgba(255,255,255,.06);padding:26px 24px;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.metric:hover{transform:translateY(-4px);background:rgba(255,255,255,.1)}
.metric b{display:block;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;color:#fff}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.74);line-height:1.7}
.metric .bar{height:4px;border-radius:4px;background:rgba(255,255,255,.16);margin-top:16px;overflow:hidden}
.metric .bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,#B7F04A,#FF7A2F)}

/* ============ faq ============ */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.faq-aside{position:sticky;top:104px}
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-btn{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:24px 44px 24px 0;position:relative;
  font-size:17px;font-weight:700;color:var(--ink-deep);line-height:1.6;
  transition:color .22s var(--ease);
}
.acc-btn:hover{color:var(--brand)}
.acc-btn::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;background:rgba(14,122,95,.1);color:var(--brand);
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.acc-item.open .acc-btn{color:var(--brand)}
.acc-item.open .acc-btn::after{
  content:"\f068";background:var(--grad);color:#fff;transform:translateY(-50%) rotate(180deg);
}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.acc-panel p{
  margin:0;padding:0 46px 26px 0;color:var(--muted);font-size:15.5px;line-height:1.88;
  max-width:820px;
}

/* ============ related ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(14,122,95,.34);color:inherit}
.rel-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.rel-card .rel-body{padding:24px 26px 28px}
.rel-card h3{font-size:1.1rem;color:var(--ink-deep);margin-bottom:10px}
.rel-card p{color:var(--muted);font-size:15px;margin-bottom:14px}
.rel-card .rel-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:8px}
.rel-card .rel-more i{transition:transform .25s var(--ease)}
.rel-card:hover .rel-more i{transform:translateX(5px)}

/* ============ cta ============ */
.cta-band{
  background:var(--grad);border-radius:32px;color:#fff;
  padding:64px 60px;position:relative;overflow:hidden;
  box-shadow:0 30px 70px rgba(6,46,36,.28);
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:rgba(7,26,21,.18);
}
.cta-band .inner{position:relative;z-index:2;max-width:760px}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.3rem);color:#fff}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.88);font-size:16.5px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.cta-trust{
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.26);
  font-size:13.5px;color:rgba(255,255,255,.82);display:flex;flex-wrap:wrap;gap:22px;
}
.cta-trust span{display:inline-flex;align-items:center;gap:8px}
.cta-trust i{color:var(--lime)}

/* ============ footer ============ */
.site-footer{background:var(--dark);color:#C9D8D0;padding:80px 0 34px;margin-top:0}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;
  color:#fff;margin-bottom:18px;
}
.footer-brand em{font-style:normal;color:var(--lime)}
.site-footer p{font-size:14.5px;line-height:1.9;color:#A9BEB5;margin:0;max-width:34em}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14.5px;color:#A9BEB5}
.footer-links a:hover{color:var(--lime)}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:48px 0 24px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:#8AA096;
}
.footer-bottom a{color:#A9BEB5}
.footer-bottom a:hover{color:var(--lime)}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .section{padding:80px 0}
  .container{padding:0 22px}
  .feature-grid{gap:22px}
}
@media (max-width:991.98px){
  .site-header .navbar{min-height:68px}
  .offcanvas-lg{width:min(400px,88vw)}
  .site-nav{gap:0;margin-top:6px}
  .site-nav .nav-link{
    font-size:17px;padding:15px 4px;border-radius:0;width:100%;
    border-bottom:1px solid var(--line);color:var(--ink-deep);
  }
  .site-nav .nav-link.active::after{display:none}
  .site-nav .nav-link.active{color:var(--brand)}
  .mobile-cta{display:grid}
  .page-hero{padding:70px 0 62px}
  .hero-strip{grid-template-columns:repeat(2,1fr);gap:14px;margin-top:40px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:0}
  .split+.split{margin-top:56px}
  .faq-layout{grid-template-columns:1fr;gap:34px}
  .faq-aside{position:static}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:48px 36px;border-radius:26px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:64px 0}
  .section.tight{padding:56px 0}
  .section-head{margin-bottom:36px}
  .page-hero{padding:56px 0 52px}
  .hero-sub{font-size:16px}
  .feature-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .timeline{padding-left:0}
  .timeline::before{left:24px}
  .tl-item{grid-template-columns:48px 1fr;gap:16px}
  .tl-index{width:48px;height:48px;border-radius:14px}
  .cta-band{padding:40px 26px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:519.98px){
  .container{padding:0 18px}
  .hero-strip{grid-template-columns:1fr 1fr;gap:12px}
  .hero-strip .stat{padding:14px 16px}
  .metric-grid{grid-template-columns:1fr}
  .feature-card{padding:26px 22px}
  .acc-btn{font-size:16px;padding-right:40px}
  .acc-panel p{padding-right:0}
}

/* roulang page: category3 */
:root{
  --ink:#062E24;
  --brand:#0E7A5F;
  --lime:#B7F04A;
  --orange:#FF7A2F;
  --bg:#F4F7F2;
  --dark:#071A15;
  --card:#FFFFFF;
  --text:#0A1F18;
  --muted:#4B6158;
  --line:#DDE7DE;
  --grad:linear-gradient(135deg,#062E24 0%,#0E7A5F 48%,#B7F04A 100%);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 14px 40px rgba(7,26,21,.06);
  --shadow-hover:0 24px 60px rgba(7,26,21,.12);
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--ink);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:900;letter-spacing:-.01em;color:var(--ink);line-height:1.28;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(183,240,74,.85);outline-offset:3px;border-radius:8px;}
.container{max-width:1280px;padding-left:20px;padding-right:20px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:0;min-height:76px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:900;font-size:1.16rem;letter-spacing:-.02em;color:var(--ink);
}
.brand em{font-style:normal;color:var(--brand);font-weight:700;}
.brand-dot{
  width:11px;height:11px;border-radius:50%;
  background:var(--grad);
  box-shadow:0 0 0 4px rgba(183,240,74,.28);
  flex:0 0 auto;
}
.site-nav{align-items:center;gap:2px;}
.site-nav .nav-link{
  position:relative;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--muted);
  border-radius:999px;transition:color .2s ease,background .2s ease;
}
.site-nav .nav-link:hover{color:var(--ink);}
.site-nav .nav-link:hover::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
}
.site-nav .nav-link.active{color:var(--ink);font-weight:700;}
.site-nav .nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--grad);border-radius:2px;
}
.nav-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--orange);margin-left:6px;vertical-align:middle;
}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;padding:8px 12px;color:var(--ink);
  background:#fff;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--lime);}
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-body{padding:18px 20px 28px;}
.offcanvas .site-nav .nav-link{
  padding:14px 4px;font-size:17px;border-radius:0;border-bottom:1px solid var(--line);width:100%;
}
.offcanvas .site-nav .nav-link::after{display:none;}
.mobile-cta{display:flex;flex-direction:column;gap:12px;margin-top:22px;}

/* ---------- buttons ---------- */
.btn{
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 24px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-brand{
  background:var(--grad);color:#fff;
  box-shadow:0 12px 28px rgba(14,122,95,.28);
}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(14,122,95,.34);}
.btn-outline-green{
  border-color:var(--brand);color:var(--brand);background:transparent;
}
.btn-outline-green:hover,.btn-outline-green:focus{
  background:var(--brand);color:#fff;transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(14,122,95,.22);
}
.btn-ghost-light{
  border-color:rgba(255,255,255,.5);color:#fff;background:transparent;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:8px;padding:0;color:var(--brand);font-weight:700;background:none;border:0;
}
.btn-link-arrow i{transition:transform .22s ease;}
.btn-link-arrow:hover i{transform:translateX(5px);}

/* ---------- hero ---------- */
.inner-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:88px 0 76px;
  background-image:
    linear-gradient(120deg,rgba(6,46,36,.94) 0%,rgba(6,46,36,.82) 42%,rgba(14,122,95,.62) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.inner-hero::after{
  content:"";position:absolute;inset:auto -10% -60% auto;width:520px;height:520px;
  background:radial-gradient(circle,rgba(183,240,74,.28),transparent 68%);
  pointer-events:none;
}
.inner-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);font-weight:900;
  letter-spacing:-.02em;margin-bottom:.5em;
}
.inner-hero h1 span{color:var(--lime);}
.hero-lede{
  color:rgba(233,244,238,.88);font-size:1.06rem;max-width:640px;margin-bottom:1.6em;line-height:1.85;
}
.hero-crumbs{
  display:inline-flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(233,244,238,.72);
  margin-bottom:22px;
}
.hero-crumbs a{color:rgba(233,244,238,.82);}
.hero-crumbs a:hover{color:var(--lime);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.stat-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:46px;
}
.stat-badge{
  border-radius:var(--radius-md);padding:18px 20px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(183,240,74,.32);
  backdrop-filter:blur(6px);
}
.stat-badge .value{
  font-size:1.9rem;font-weight:900;color:#fff;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-badge .value small{font-size:.95rem;font-weight:700;color:var(--lime);margin-left:3px;}
.stat-badge .label{
  display:flex;align-items:center;gap:7px;
  font-size:13px;color:rgba(233,244,238,.78);margin-top:8px;
}
.stat-badge .label::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 auto;
}
.hero-rail{
  position:relative;height:1px;background:linear-gradient(90deg,rgba(183,240,74,.6),rgba(183,240,74,0));
  margin-top:38px;
}
.hero-rail span{
  position:absolute;top:-3px;width:7px;height:7px;border-radius:50%;background:var(--lime);
}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:820px;margin-bottom:52px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);border-radius:2px;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);}
.section-head p{color:var(--muted);font-size:1.02rem;margin:0;}

/* ---------- risk cards ---------- */
.risk-intro-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);height:100%;
}
.risk-intro-card img{border-radius:var(--radius-md);margin-bottom:22px;aspect-ratio:16/11;object-fit:cover;}
.risk-intro-card h3{font-size:1.3rem;}
.risk-intro-card p{color:var(--muted);font-size:.96rem;}
.risk-intro-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;border-top:1px dashed var(--line);font-size:.94rem;color:var(--muted);
}
.risk-intro-list li:first-child{border-top:0;}
.risk-intro-list i{color:var(--brand);margin-top:5px;font-size:.8rem;}
.risk-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 26px 24px;height:100%;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  position:relative;overflow:hidden;
}
.risk-card::before{
  content:"";position:absolute;left:0;top:0;width:4px;height:100%;
  background:var(--grad);opacity:.85;
}
.risk-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.4);}
.risk-card h3{font-size:1.14rem;margin-bottom:.5em;}
.risk-card p{color:var(--muted);font-size:.95rem;margin-bottom:1em;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(14,122,95,.1);color:var(--brand);margin-right:8px;margin-bottom:8px;
}
.tag.tag-warn{background:rgba(255,122,47,.13);color:#C4520E;}
.tag.tag-lime{background:rgba(183,240,74,.3);color:#38540A;}

/* ---------- checklist ---------- */
.checklist-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow);
}
.check-group{margin-bottom:30px;}
.check-group:last-child{margin-bottom:0;}
.check-group-head{
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.check-group-head .idx{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:900;font-size:.9rem;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.check-group-head h3{margin:0;font-size:1.14rem;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:10px;cursor:pointer;background:#FBFDFA;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.check-item:hover{border-color:rgba(14,122,95,.42);transform:translateX(3px);}
.check-item .box{
  width:22px;height:22px;border-radius:7px;border:2px solid #B9CDBF;flex:0 0 auto;margin-top:3px;
  display:grid;place-items:center;color:#fff;font-size:11px;transition:background .2s ease,border-color .2s ease;
}
.check-item .box i{opacity:0;transition:opacity .2s ease;}
.check-item .txt strong{display:block;font-size:.98rem;font-weight:700;color:var(--ink);margin-bottom:2px;}
.check-item .txt span{font-size:.9rem;color:var(--muted);}
.check-item.done{background:rgba(183,240,74,.14);border-color:rgba(14,122,95,.45);}
.check-item.done .box{background:var(--brand);border-color:var(--brand);}
.check-item.done .box i{opacity:1;}
.check-progress{margin-top:8px;}
.check-progress .track{
  height:8px;border-radius:999px;background:#E4EDE4;overflow:hidden;margin-bottom:10px;
}
.check-progress .bar{
  height:100%;width:0;border-radius:999px;background:var(--grad);
  transition:width .3s ease;
}
.check-progress .count{font-size:.9rem;color:var(--muted);font-variant-numeric:tabular-nums;}
.check-progress .count b{color:var(--brand);}

/* ---------- layers ---------- */
.layer-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px;height:100%;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease;
}
.layer-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.layer-card .layer-num{
  font-size:2.4rem;font-weight:900;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.layer-card h3{font-size:1.16rem;}
.layer-card p{color:var(--muted);font-size:.94rem;}
.layer-card ul li{
  display:flex;gap:9px;align-items:flex-start;font-size:.92rem;color:var(--muted);padding:6px 0;
}
.layer-card ul i{color:var(--brand);font-size:.72rem;margin-top:7px;}

/* ---------- dark band ---------- */
.dark-band{
  background:linear-gradient(135deg,#062E24 0%,#0B3F32 55%,#0E7A5F 100%);
  color:#fff;padding:88px 0;position:relative;overflow:hidden;
}
.dark-band::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,240,74,.24),transparent 66%);
}
.dark-band h2{color:#fff;}
.dark-band p.lead{color:rgba(233,244,238,.86);max-width:760px;}
.signal-item{
  border-left:2px solid rgba(183,240,74,.55);padding:2px 0 2px 18px;margin-bottom:20px;
}
.signal-item h3{color:var(--lime);font-size:1.06rem;margin-bottom:.35em;}
.signal-item p{color:rgba(233,244,238,.82);font-size:.94rem;margin:0;}

/* ---------- faq ---------- */
.faq-wrap .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.faq-wrap .accordion-button{
  background:transparent;color:var(--ink);font-weight:700;font-size:1.05rem;
  padding:22px 52px 22px 0;box-shadow:none;line-height:1.6;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand);background:transparent;}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:2px solid rgba(183,240,74,.7);outline-offset:-2px;}
.faq-wrap .accordion-button::after{display:none;}
.faq-wrap .accordion-button .pm{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);font-size:13px;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.faq-wrap .accordion-button:not(.collapsed) .pm{background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-wrap .accordion-body{
  padding:0 60px 24px 0;color:var(--muted);font-size:.97rem;max-width:820px;line-height:1.85;
}
.faq-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow);position:sticky;top:110px;
}
.faq-side h3{font-size:1.1rem;}
.faq-side ol{counter-reset:q;}
.faq-side ol li{
  counter-increment:q;display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:.93rem;color:var(--muted);
}
.faq-side ol li:last-child{border-bottom:0;}
.faq-side ol li::before{
  content:counter(q,decimal-leading-zero);
  font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums;font-size:.86rem;flex:0 0 auto;
}

/* ---------- related ---------- */
.related-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,122,95,.42);}
.related-card img{aspect-ratio:16/9;object-fit:cover;}
.related-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card .body h3{font-size:1.04rem;margin:0;}
.related-card .body p{font-size:.92rem;color:var(--muted);margin:0;flex:1;}
.related-card a.card-link{font-size:.9rem;font-weight:700;display:inline-flex;align-items:center;gap:7px;}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--radius-lg);
  background:var(--grad);
  color:#fff;padding:56px 48px;position:relative;overflow:hidden;
  box-shadow:0 30px 70px rgba(7,26,21,.18);
}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);}
.cta-band p{color:rgba(255,255,255,.9);max-width:640px;margin-bottom:1.6em;}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.35);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
.cta-trust{
  margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.86);
  display:flex;flex-wrap:wrap;gap:20px;position:relative;z-index:2;
}
.cta-trust span{display:inline-flex;align-items:center;gap:8px;}
.cta-trust i{color:var(--lime);}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9D8D0;padding:72px 0 28px;margin-top:8px;}
.site-footer h4{color:#fff;font-size:.98rem;font-weight:700;margin-bottom:18px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.14rem;color:#fff;margin-bottom:16px;
}
.footer-brand em{font-style:normal;color:var(--lime);font-weight:700;}
.site-footer p{font-size:.93rem;color:#A8BFB5;line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#C9D8D0;font-size:.93rem;}
.footer-links a:hover{color:var(--lime);}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:44px 0 24px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8FA79C;
}
.footer-bottom a{color:#B7F04A;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .section{padding:80px 0;}
  .stat-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
}
@media (max-width:991.98px){
  .inner-hero{padding:64px 0 58px;}
  .section{padding:64px 0;}
  .dark-band{padding:68px 0;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-side{position:static;margin-top:34px;}
  .cta-band{padding:42px 28px;}
  .checklist-wrap{padding:24px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .inner-hero{padding:52px 0 46px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:34px;}
  .stat-badge{padding:14px 16px;}
  .stat-badge .value{font-size:1.5rem;}
  .hero-actions .btn,.cta-actions .btn{width:100%;text-align:center;}
  .risk-card,.layer-card{padding:22px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --ink:#062E24;
  --brand:#0E7A5F;
  --brand-soft:#E3F1EA;
  --lime:#B7F04A;
  --orange:#FF7A2F;
  --bg:#F4F7F2;
  --dark:#071A15;
  --card:#FFFFFF;
  --text:#0A1F18;
  --muted:#4B6158;
  --line:#DDE7DE;
  --grad:linear-gradient(135deg,#062E24 0%,#0E7A5F 48%,#B7F04A 100%);
  --grad-dark:linear-gradient(140deg,#04150F 0%,#062E24 55%,#0E7A5F 100%);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:26px;
  --r-xl:34px;
  --sh:0 14px 40px rgba(7,26,21,.06);
  --sh-hover:0 24px 60px rgba(7,26,21,.12);
  --sec:clamp(48px,6.5vw,104px);
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"DIN Alternate","Barlow","Inter","Roboto Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--ink)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:3px solid rgba(183,240,74,.85);outline-offset:3px;border-radius:8px}

.container{max-width:1280px;padding-left:20px;padding-right:20px}
.sec{padding-top:var(--sec);padding-bottom:var(--sec)}
.sec-sm{padding-top:calc(var(--sec) * .6);padding-bottom:calc(var(--sec) * .6)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:0;min-height:76px}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:900;font-size:20px;letter-spacing:-.02em;
  color:var(--ink);white-space:nowrap;
}
.brand em{font-style:normal;color:var(--brand)}
.brand:hover{color:var(--ink)}
.brand-dot{
  width:11px;height:11px;border-radius:50%;
  background:var(--grad);
  box-shadow:0 0 0 4px rgba(14,122,95,.12);
  flex:0 0 auto;
}
.site-nav{gap:4px}
.site-nav .nav-link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--muted);
  padding:10px 14px;border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.site-nav .nav-link:hover{color:var(--ink)}
.site-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s ease;
}
.site-nav .nav-link:hover::after{transform:scaleX(1)}
.site-nav .nav-link.active{color:var(--ink);background:var(--brand-soft)}
.site-nav .nav-link.active::after{transform:scaleX(1)}
.nav-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--orange);margin-left:6px;vertical-align:middle;
}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;
  padding:8px 12px;color:var(--ink);box-shadow:none;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(183,240,74,.5)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas-body{padding:12px 20px 28px}
.btn-close{filter:grayscale(1) contrast(.6)}

/* ---------- buttons ---------- */
.btn{
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 24px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{
  background:var(--grad);color:#fff;border:none;
  box-shadow:0 12px 28px rgba(14,122,95,.28);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 44px rgba(14,122,95,.36)}
.btn-outline-green{
  background:transparent;color:var(--brand);border:1px solid var(--brand);
}
.btn-outline-green:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-lime{
  background:var(--lime);color:var(--ink);border:none;font-weight:800;
}
.btn-lime:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 18px 40px rgba(183,240,74,.32)}
.btn-ghost-light{
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-weight:700;padding:0;
}
.btn-text i{transition:transform .22s ease}
.btn-text:hover i{transform:translateX(5px)}
.mobile-cta{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.mobile-cta .btn{width:100%}

/* ---------- shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);
  background:var(--brand-soft);
  padding:8px 16px;border-radius:999px;margin-bottom:20px;
}
.eyebrow.on-dark{background:rgba(183,240,74,.14);color:var(--lime)}
.sec-title{
  font-size:clamp(1.6rem,3vw,2.5rem);
  margin-bottom:16px;
}
.sec-sub{color:var(--muted);font-size:16.5px;max-width:62ch}
.lead-lg{font-size:18px;color:var(--muted)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- hero ---------- */
.qa-hero{
  position:relative;overflow:hidden;
  background:var(--grad-dark);
  color:#fff;
  padding:calc(var(--sec) * .95) 0 calc(var(--sec) * .8);
}
.qa-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.26;mix-blend-mode:luminosity;
}
.qa-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 88% 12%,rgba(183,240,74,.18),transparent 62%),
             linear-gradient(180deg,rgba(4,21,15,.35) 0%,rgba(4,21,15,.86) 100%);
}
.qa-hero .container{position:relative;z-index:2}
.qa-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.6rem);
  font-weight:900;letter-spacing:-.02em;margin-bottom:20px;
}
.qa-hero h1 span{
  background:linear-gradient(100deg,#B7F04A 0%,#8FE27F 55%,#FFFFFF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.qa-hero .hero-sub{color:rgba(233,244,238,.86);font-size:17.5px;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;margin-top:44px;
}
.hero-badge{
  border:1px solid rgba(183,240,74,.28);
  background:rgba(255,255,255,.05);
  border-radius:var(--r-md);
  padding:16px 18px;
}
.hero-badge b{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:800;color:#fff;line-height:1.1;
}
.hero-badge small{display:block;color:rgba(201,216,208,.9);font-size:13px;margin-top:6px}

/* search-like filter */
.qa-search{
  margin-top:38px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:18px;
  backdrop-filter:blur(8px);
}
.qa-search-row{display:flex;gap:12px;flex-wrap:wrap}
.qa-input{
  flex:1 1 260px;min-width:0;
  display:flex;align-items:center;gap:10px;
  background:rgba(6,46,36,.55);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:0 20px;height:52px;
}
.qa-input i{color:var(--lime)}
.qa-input input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:15.5px;height:100%;
}
.qa-input input::placeholder{color:rgba(201,216,208,.66)}
.qa-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.qa-chip{
  font-size:13.5px;font-weight:600;color:rgba(233,244,238,.9);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.05);
  padding:7px 15px;border-radius:999px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.qa-chip:hover,.qa-chip.is-on{background:var(--lime);border-color:var(--lime);color:var(--ink)}

/* ---------- quick entry cards ---------- */
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;box-shadow:var(--sh);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.entry-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:rgba(14,122,95,.35)}
.entry-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.05)}
.entry-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.entry-body h3{font-size:1.28rem}
.entry-body p{color:var(--muted);font-size:15.5px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 13px;border-radius:999px;
}
.tag.orange{color:#B14A0D;background:#FFEDE1}
.tag.ink{color:#DDF3E6;background:rgba(6,46,36,.85)}

/* ---------- QA two column ---------- */
.qa-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.qa-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;background:#fff;height:100%;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.qa-item:hover{border-color:rgba(14,122,95,.4);box-shadow:var(--sh);transform:translateY(-3px)}
.qa-item .q-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:12px}
.qa-item .q-mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.qa-item h3{font-size:1.08rem;line-height:1.5}
.qa-item p{color:var(--muted);font-size:15.2px}
.qa-steps{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.qa-steps li{display:flex;gap:10px;font-size:14.6px;color:var(--text)}
.qa-steps li i{color:var(--brand);margin-top:6px;font-size:11px}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:#fff;padding:26px;box-shadow:var(--sh);
}
.side-card.dark{
  background:var(--grad-dark);border-color:transparent;color:#fff;box-shadow:0 24px 56px rgba(6,46,36,.24);
}
.side-card.dark h3{color:#fff}
.side-card h3{font-size:1.12rem;margin-bottom:16px}
.hot-list{display:flex;flex-direction:column;gap:2px}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 4px;border-bottom:1px dashed var(--line);
  color:var(--text);font-size:15px;font-weight:600;
}
.hot-list a:last-child{border-bottom:0}
.hot-list a:hover{color:var(--brand)}
.hot-list .num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:12.5px;font-weight:800;color:var(--brand);
  background:var(--brand-soft);border-radius:8px;padding:2px 8px;flex:0 0 auto;
}
.side-card.dark .hot-list a{color:rgba(233,244,238,.92);border-bottom-color:rgba(255,255,255,.14)}
.side-card.dark .hot-list a:hover{color:var(--lime)}
.side-card.dark .hot-list .num{background:rgba(183,240,74,.16);color:var(--lime)}
.sticky-col{position:sticky;top:104px}

/* ---------- accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;font-size:1.07rem;font-weight:800;color:var(--ink);
}
.acc-item summary::-webkit-details-marker{display:none}
.acc-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--brand);font-size:13px;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.acc-item summary:hover .acc-icon{border-color:var(--brand)}
.acc-item[open] summary{color:var(--brand)}
.acc-item[open] .acc-icon{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg)}
.acc-body{max-width:820px;color:var(--muted);font-size:15.8px;padding:0 4px 26px}

/* ---------- related ---------- */
.rel-link{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;color:var(--ink);font-weight:700;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.rel-link:hover{border-color:var(--brand);transform:translateX(4px);box-shadow:var(--sh)}
.rel-link small{display:block;font-weight:500;color:var(--muted);font-size:13.6px;margin-top:5px}
.rel-link i{color:var(--brand)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:clamp(36px,5vw,66px);
  box-shadow:0 30px 70px rgba(6,46,36,.24);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.2;mix-blend-mode:overlay;
}
.cta-band .inner{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:14px}
.cta-band p{color:rgba(240,250,244,.9);max-width:64ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.trust-line{
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.28);
  font-size:13.6px;color:rgba(240,250,244,.86);
  display:flex;flex-wrap:wrap;gap:8px 22px;
}
.trust-line span{display:inline-flex;align-items:center;gap:8px}
.trust-line i{color:var(--lime)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9D8D0;padding-top:74px;margin-top:0}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:21px;font-weight:900;color:#fff;margin-bottom:18px;
}
.footer-brand em{font-style:normal;color:var(--lime)}
.site-footer p{color:#9DB3A9;font-size:15px;max-width:42ch}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:800}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#C9D8D0;font-size:14.8px}
.footer-links a:hover{color:var(--lime)}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:48px 0 26px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:13.6px;color:#8FA69C;padding-bottom:36px;
}
.footer-bottom a{color:#C9D8D0}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .sticky-col{top:96px}
}
@media (max-width:991.98px){
  body{font-size:16.5px}
  .qa-hero{padding-top:64px;padding-bottom:60px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sticky-col{position:static}
  .site-nav{gap:0;margin-top:6px}
  .site-nav .nav-link{padding:15px 6px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0}
  .site-nav .nav-link.active{background:transparent;color:var(--brand)}
  .site-nav .nav-link::after{display:none}
  .offcanvas-lg{background:#fff}
}
@media (max-width:767.98px){
  .qa-hero h1{font-size:clamp(1.75rem,7vw,2.4rem)}
  .hero-badges{gap:10px}
  .hero-badge b{font-size:23px}
  .qa-search{padding:15px;border-radius:var(--r-md)}
  .qa-input{height:48px;border-radius:16px}
  .cta-band{border-radius:var(--r-lg)}
  .footer-bottom{padding-bottom:28px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .hero-actions .btn{width:100%;text-align:center}
  .qa-item{padding:20px}
  .side-card{padding:20px}
  .acc-item summary{font-size:1rem;gap:14px}
}