/* roulang page: index */
:root{
  --brand-900:#0B2E28;
  --brand-700:#14584A;
  --brand-500:#1E7A63;
  --accent:#C9F04E;
  --clay:#E2703A;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#14201C;
  --muted:#5C6B65;
  --line:rgba(20,32,28,.08);
  --radius-card:24px;
  --radius-xl:32px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px -16px rgba(11,46,40,.22);
  --shadow-float:0 20px 44px -18px rgba(11,46,40,.28);
  --grad-brand:linear-gradient(135deg,#0B2E28,#14584A 55%,#1E7A63);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent);color:var(--brand-900);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding-top:96px;padding-bottom:96px;}
.section-sm{padding-top:64px;padding-bottom:64px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-700);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:block;}
.h-display{
  font-size:clamp(30px,4.2vw,54px);
  line-height:1.15;
  letter-spacing:-.01em;
  font-weight:800;
  margin:0;
}
h2.h-sec{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  font-weight:700;
  margin:0;
  letter-spacing:-.005em;
}
h3{font-size:21px;font-weight:600;line-height:1.5;margin:0;}
.lead{font-size:15px;line-height:1.75;color:var(--muted);margin:0;}
p{line-height:1.85;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--brand-900);box-shadow:var(--shadow-btn);}
.btn-primary:hover{transform:translateY(-1px);background:#d6f66b;box-shadow:0 14px 28px -14px rgba(11,46,40,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px -8px rgba(11,46,40,.4);}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost:hover{transform:translateY(-1px);background:rgba(30,122,99,.06);box-shadow:var(--shadow-card);}
.btn-ghost:active{transform:translateY(0);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-700);
  background:none;border:0;padding:0;cursor:pointer;
  transition:color .2s ease;
}
.btn-link .arw{transition:transform .2s ease;display:inline-block;}
.btn-link:hover{color:var(--brand-500);}
.btn-link:hover .arw{transform:translateX(3px);}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.72);
  backdrop-filter:saturate(140%) blur(6px);
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -22px rgba(11,46,40,.5);
}
.header-inner{display:flex;align-items:center;gap:24px;height:80px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 18px -12px rgba(11,46,40,.8);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--brand-900);line-height:1.2;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.06em;line-height:1.2;margin-top:3px;}

.search-wrap{flex:1;display:flex;justify-content:center;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:100%;max-width:520px;height:48px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:0 8px 0 18px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(201,240,78,.24);
}
.search-box svg{flex-shrink:0;color:var(--muted);}
.search-box input{
  flex:1;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--ink);padding:0 12px;height:100%;
}
.search-box input::placeholder{color:var(--muted);font-size:14px;}
.search-key{
  flex-shrink:0;font-size:11px;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;margin-right:6px;letter-spacing:.04em;
}
.search-go{
  flex-shrink:0;height:34px;padding:0 16px;border-radius:var(--radius-pill);
  background:var(--brand-700);color:#fff;font-size:13px;font-weight:600;
  border:0;cursor:pointer;transition:background-color .2s ease;
}
.search-go:hover{background:var(--brand-500);}

.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:14px;font-weight:600;color:var(--muted);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand-700);transition:width .25s ease;
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{width:60%;}
.nav-link.active{color:var(--brand-700);}
.nav-link.active::after{width:60%;}
.nav-cta{margin-left:4px;height:42px;padding:0 22px;font-size:14px;}

.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--brand-900);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.mobile-panel{
  display:none;padding:16px 0 24px;border-top:1px solid var(--line);
}
.mobile-panel.open{display:block;}
.mobile-panel .search-box{max-width:none;height:44px;margin-bottom:16px;}
.mobile-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-nav a{
  font-size:15px;font-weight:600;color:var(--brand-900);
  padding:12px 14px;border-radius:12px;transition:background-color .2s ease;
}
.mobile-nav a:hover,.mobile-nav a.active{background:rgba(30,122,99,.08);color:var(--brand-700);}

/* Announce */
.announce{
  background:var(--brand-900);color:rgba(255,255,255,.82);
  font-size:13px;
}
.announce-inner{display:flex;align-items:center;justify-content:center;gap:16px;min-height:36px;padding:6px 44px 6px 24px;position:relative;text-align:center;}
.announce-inner strong{color:var(--accent);font-weight:700;}
.announce-close{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  background:none;border:0;color:rgba(255,255,255,.6);cursor:pointer;
  font-size:16px;line-height:1;padding:6px;border-radius:8px;
  transition:color .2s ease;
}
.announce-close:hover{color:#fff;}

/* Hero */
.hero-card{
  background:var(--grad-brand);
  border-radius:var(--radius-xl);
  position:relative;
  overflow:hidden;
  padding:clamp(28px,4vw,56px);
  color:#fff;
}
.hero-card::before{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(201,240,78,.22),transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;}
.hero-title{color:#fff;}
.hero-sub{
  color:rgba(255,255,255,.82);
  font-size:16px;line-height:1.8;margin:20px 0 0;max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-btn-ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.45);
}
.hero-btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;}
.stat-row{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;
}
.stat-pill{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:10px 16px;
  backdrop-filter:blur(4px);
}
.stat-num{
  font-size:20px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1;
}
.stat-label{font-size:12px;color:rgba(255,255,255,.75);letter-spacing:.04em;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:26px;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 50px -26px rgba(0,0,0,.6);
}
.float-badge{
  position:absolute;right:-8px;bottom:-18px;
  background:var(--surface);color:var(--ink);
  border-radius:24px;padding:16px 20px;
  box-shadow:var(--shadow-float);
  display:flex;align-items:center;gap:14px;
  min-width:190px;
}
.float-badge .fb-num{font-size:26px;font-weight:800;color:var(--clay);line-height:1;font-variant-numeric:tabular-nums;}
.float-badge .fb-txt{font-size:12px;color:var(--muted);line-height:1.5;letter-spacing:.04em;}

/* Cards */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  overflow:hidden;
  display:flex;flex-direction:column;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-float);border-color:rgba(201,240,78,.55);}
.card:hover .card-img img{transform:scale(1.03);}
.card-img{overflow:hidden;border-radius:18px;margin:8px 8px 0;}
.card-img img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .45s ease;
}
.card-body{padding:20px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-title{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.card:hover .card-title{color:var(--brand-700);}
.card-text{
  font-size:14px;line-height:1.75;color:var(--muted);margin:10px 0 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);
}
.meta-time{font-size:12px;color:var(--clay);font-weight:600;letter-spacing:.04em;}
.meta-link{font-size:13px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:4px;}
.meta-link:hover{color:var(--brand-500);}
.meta-link .arw{transition:transform .2s ease;}
.meta-link:hover .arw{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(201,240,78,.18);
  color:var(--brand-700);
  border:1px solid rgba(20,32,28,.06);
  white-space:nowrap;
}
.badge-outline{background:transparent;border:1px solid rgba(20,32,28,.16);color:var(--muted);}
.badge-clay{background:rgba(226,112,58,.12);color:var(--clay);border-color:rgba(226,112,58,.18);}

/* Value block */
.value-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.value-list{display:grid;gap:18px;}
.value-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 26px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.value-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:rgba(201,240,78,.5);}
.value-icon{
  width:46px;height:46px;flex-shrink:0;border-radius:14px;
  background:rgba(30,122,99,.08);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-700);
}
.value-item h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.value-item p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}

/* Story */
.story-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;}
.story-img img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-card);
}
.timeline{display:grid;gap:18px;margin-top:28px;}
.tl-item{display:flex;gap:16px;align-items:flex-start;}
.tl-num{
  width:38px;height:38px;flex-shrink:0;border-radius:10px;
  background:var(--brand-900);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}
.tl-body h3{font-size:16px;font-weight:700;margin-bottom:2px;}
.tl-body p{font-size:14px;color:var(--muted);line-height:1.7;margin:0;}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.bento-main{grid-column:span 4;}
.bento-side{grid-column:span 2;}
.bento-half{grid-column:span 3;}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;display:flex;flex-direction:column;gap:12px;height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-float);border-color:rgba(201,240,78,.55);}
.mini-card h3{font-size:17px;font-weight:700;}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.empty-state{
  background:var(--paper);
  border:1px dashed rgba(20,32,28,.14);
  border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{color:var(--brand-500);opacity:.7;}
.empty-state p{margin:0;color:var(--muted);font-size:15px;}

/* Trust */
.trust-wrap{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.stat-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.stat-block{
  background:var(--surface);border:1px solid var(--line);
  border-radius:20px;padding:22px;
}
.stat-block .n{
  font-size:30px;font-weight:800;color:var(--clay);
  line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-block .t{font-size:13px;color:var(--muted);margin-top:8px;letter-spacing:.04em;}
.quote-row{display:grid;gap:16px;}
.quote-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 26px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);}
.quote-card p{font-size:15px;line-height:1.8;color:var(--ink);margin:0 0 14px;}
.quote-card .src{font-size:12px;color:var(--muted);letter-spacing:.04em;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:16px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(201,240,78,.6);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;position:relative;
  transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-700);border-radius:2px;
}
.faq-icon::before{left:50%;top:4px;width:2px;height:16px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:4px;height:2px;width:16px;transform:translateY(-50%);}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a-inner{
  padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);
}

/* CTA */
.cta-card{
  background:var(--grad-brand);
  border-radius:var(--radius-xl);
  padding:clamp(28px,4vw,56px);
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;
  color:#fff;
}
.cta-card::after{
  content:"";position:absolute;left:40%;top:-160px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(201,240,78,.18),transparent 62%);
  pointer-events:none;
}
.cta-card h2{color:#fff;}
.cta-card p{color:rgba(255,255,255,.78);font-size:15px;margin:14px 0 0;}
.form-row{position:relative;display:flex;flex-direction:column;gap:12px;}
.field-label{font-size:13px;color:rgba(255,255,255,.72);letter-spacing:.04em;}
.field-input{
  height:48px;border-radius:16px;border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.1);color:#fff;
  padding:0 18px;font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field-input::placeholder{color:rgba(255,255,255,.55);}
.field-input:focus{
  border-color:var(--accent);
  background:rgba(255,255,255,.16);
  box-shadow:0 0 0 3px rgba(201,240,78,.2);
}
.form-note{font-size:12px;color:rgba(255,255,255,.6);line-height:1.7;margin-top:4px;}

/* Footer */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:52px;}
.site-footer h4{
  font-size:14px;font-weight:700;color:var(--accent);
  letter-spacing:.06em;margin:0 0 18px;
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:18px 0 0;max-width:300px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-links a:hover{color:var(--accent);}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.footer-contact span{display:block;}
.footer-qr{
  margin-top:16px;width:96px;height:96px;border-radius:14px;
  background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:rgba(255,255,255,.5);text-align:center;line-height:1.5;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);transition:color .2s ease;}
.footer-bottom a:hover{color:var(--accent);}

/* Responsive */
@media (max-width:1024px){
  .section{padding-top:72px;padding-bottom:72px;}
  .header-inner{height:72px;}
  .nav-links{gap:18px;}
  .search-wrap{display:none;}
  .nav-cta{display:none;}
  .burger{display:flex;margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .value-grid,.story-grid,.trust-wrap,.faq-wrap,.cta-card{grid-template-columns:1fr;gap:32px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .bento-main{grid-column:span 6;}
  .bento-side{grid-column:span 3;}
  .bento-half{grid-column:span 3;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding-top:56px;padding-bottom:56px;}
  .news-grid{grid-template-columns:1fr;}
  .bento-main,.bento-side,.bento-half{grid-column:span 6;}
  .stat-wall{grid-template-columns:repeat(2,1fr);}
  .float-badge{position:static;margin-top:16px;right:auto;bottom:auto;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .announce-inner{font-size:12px;padding-right:40px;text-align:left;justify-content:flex-start;}
}
@media (max-width:520px){
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
  .stat-pill{padding:8px 12px;}
  .stat-num{font-size:17px;}
  .quote-card p{font-size:14px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B2E28;
  --brand-700:#14584A;
  --brand-500:#1E7A63;
  --accent:#C9F04E;
  --clay:#E2703A;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#14201C;
  --muted:#5C6B65;
  --line:rgba(20,32,28,.08);
  --radius-card:24px;
  --radius-xl:32px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px -16px rgba(11,46,40,.22);
  --shadow-float:0 20px 44px -18px rgba(11,46,40,.28);
  --space-section:96px;
  --gradient-brand:linear-gradient(135deg,#0B2E28 0%,#14584A 55%,#1E7A63 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.9);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -22px rgba(11,46,40,.55);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:78px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--gradient-brand);
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-card);
}
.brand-name{display:block;font-size:16px;font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{display:block;font-size:11.5px;line-height:1.4;color:var(--muted);}
.nav-search{
  position:relative;display:flex;align-items:center;flex:1 1 auto;
  max-width:520px;margin-left:8px;
}
.nav-search svg{
  position:absolute;left:16px;width:18px;height:18px;
  color:var(--muted);pointer-events:none;
}
.nav-search input{
  width:100%;height:48px;
  padding:0 84px 0 46px;
  font-size:14px;color:var(--ink);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(201,240,78,.28);
}
.nav-search kbd{
  position:absolute;right:14px;
  font-family:inherit;font-size:11px;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:var(--paper);
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:#2c3b35;
  padding:6px 0;transition:color .2s ease;
}
.nav-link:hover{color:var(--brand-700);}
.nav-link.active{color:var(--brand-700);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:60%;height:2px;border-radius:2px;background:var(--brand-700);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--accent);color:var(--brand-900);
  box-shadow:0 10px 24px -14px rgba(11,46,40,.6);
}
.btn-primary:hover{background:#d6f76b;transform:translateY(-1px);box-shadow:var(--shadow-float);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px -12px rgba(11,46,40,.5);}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:rgba(20,88,74,.07);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid transparent;transition:gap .2s ease,border-color .2s ease;
}
.btn-link:hover{gap:10px;border-bottom-color:var(--brand-700);}
.nav-cta{height:44px;padding:0 22px;font-size:14px;}
.menu-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.menu-toggle:hover{border-color:var(--brand-500);}
.menu-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);
  border-radius:2px;position:relative;
}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;
  background:var(--ink);border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-search{display:none;padding-bottom:14px;}
.mobile-search .nav-search{max-width:none;margin-left:0;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:var(--surface);padding:18px 0 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-link{
  display:block;padding:12px 4px;font-size:15px;font-weight:600;
  color:var(--ink);border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-link.active{color:var(--brand-700);}
.mobile-drawer .btn{width:100%;margin-top:18px;}

/* ---------- Page head ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:26px 0 18px;
}
.breadcrumb .sep{color:rgba(20,32,28,.28);}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.page-head-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:48px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  background-image:
    radial-gradient(120% 130% at 88% 4%, rgba(201,240,78,.24), transparent 58%),
    var(--gradient-brand);
  color:#fff;
  box-shadow:var(--shadow-card);
}
.page-head-card::after{
  content:"";position:absolute;right:-90px;bottom:-120px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(201,240,78,.16), transparent 68%);
  pointer-events:none;
}
.page-head-text{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--accent);text-transform:none;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;}
.page-head-card h1{
  margin:16px 0 18px;
  font-size:42px;line-height:1.18;font-weight:800;letter-spacing:-.01em;
  color:#fff;
}
.page-head-card .head-desc{
  font-size:15.5px;line-height:1.85;
  color:rgba(255,255,255,.78);max-width:520px;
}
.head-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.badge-stat{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 16px;border-radius:14px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
}
.badge-stat b{font-size:20px;font-weight:800;color:var(--accent);line-height:1;}
.badge-stat span{font-size:12px;color:rgba(255,255,255,.72);}
.page-head-media{position:relative;z-index:2;}
.page-head-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:0 20px 44px -20px rgba(0,0,0,.55);
}
.head-tag{
  position:absolute;left:-14px;bottom:-14px;
  background:var(--surface);color:var(--ink);
  border-radius:16px;padding:12px 18px;
  box-shadow:var(--shadow-float);
  font-size:12px;line-height:1.5;
}
.head-tag b{display:block;font-size:14px;font-weight:800;color:var(--brand-700);}

/* ---------- Chips ---------- */
.chip-row{
  display:flex;gap:12px;overflow-x:auto;
  padding:26px 0 6px;scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);}
.chip.is-active{background:var(--brand-900);color:#fff;border-color:var(--brand-900);}

/* ---------- Sections ---------- */
.section{padding:56px 0;}
.section[id]{scroll-margin-top:104px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:32px;margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{
  font-size:34px;line-height:1.28;font-weight:700;letter-spacing:-.01em;
}
.section-head .lead{
  font-size:15px;line-height:1.8;color:var(--muted);max-width:560px;
}

/* ---------- Scenes ---------- */
.scene-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(201,240,78,.55);}
.scene-card.tall{grid-row:span 2;padding:0;overflow:hidden;}
.scene-card.tall .scene-body{padding:30px;}
.scene-card.tall img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card) var(--radius-card) 0 0;
  transition:transform .5s ease;
}
.scene-card.tall:hover img{transform:scale(1.03);}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(201,240,78,.28);color:var(--brand-900);
}
.tag.clay{background:rgba(226,112,58,.14);color:#a94a1d;}
.tag.line{background:transparent;border:1px solid rgba(201,240,78,.7);color:var(--brand-700);}
.scene-card h3{font-size:20px;font-weight:700;line-height:1.45;margin:16px 0 12px;}
.scene-card p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.scene-card .btn-link{margin-top:auto;padding-top:18px;}

/* ---------- Steps ---------- */
.steps-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:40px;
}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.step{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 26px 26px 26px;
  background:var(--paper);
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.step:hover{background:#fff;border-color:rgba(201,240,78,.7);transform:translateY(-2px);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-900);
  color:var(--accent);font-size:16px;font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.step p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.step .hint{
  display:flex;gap:8px;align-items:flex-start;
  margin-top:14px;font-size:13px;line-height:1.7;color:var(--brand-700);
  border-top:1px dashed var(--line);padding-top:12px;
}
.step .hint b{color:var(--clay);font-weight:800;}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  border-radius:var(--radius-card);
  padding:32px;
  border:1px solid var(--line);
  background:var(--surface);
}
.compare-card.dark{
  background-image:radial-gradient(120% 130% at 90% 0%, rgba(201,240,78,.18), transparent 60%),var(--gradient-brand);
  color:#fff;border-color:transparent;
}
.compare-card.dark h3{color:#fff;}
.compare-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.compare-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.compare-card.dark .sub{color:rgba(255,255,255,.7);}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:14.5px;line-height:1.8;
}
.compare-card.dark .check-list li{border-bottom-color:rgba(255,255,255,.14);color:rgba(255,255,255,.84);}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:4px;font-size:12px;font-weight:800;
}
.check-list .dot.ok{background:rgba(201,240,78,.32);color:var(--brand-900);}
.check-list .dot.no{background:rgba(226,112,58,.18);color:#a94a1d;}
.compare-card.dark .check-list .dot.ok{background:var(--accent);color:var(--brand-900);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(201,240,78,.7);}
.faq-item.open{border-color:rgba(20,88,74,.35);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper);color:var(--brand-700);
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent);color:var(--brand-900);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{padding:0 24px 22px;font-size:14.8px;line-height:1.88;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-bar{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:34px 38px;
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-bar h2{font-size:24px;font-weight:700;line-height:1.4;}
.cta-bar p{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:620px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;}
.site-footer .brand-mark{background:var(--accent);color:var(--brand-900);box-shadow:none;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:18px;max-width:340px;}
.site-footer h4{
  font-size:14px;font-weight:700;color:var(--accent);
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-links a{
  display:block;padding:6px 0;font-size:14px;
  color:rgba(255,255,255,.72);transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact span{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.72);}
.footer-qr{
  width:96px;height:96px;margin-top:16px;
  border:1px dashed rgba(255,255,255,.28);border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;line-height:1.5;text-align:center;color:rgba(255,255,255,.55);
}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- Responsive ---------- */
@media (min-width:769px){
  .section{padding:var(--space-section) 0;}
  .site-footer{margin-top:96px;}
}
@media (max-width:1023px){
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .mobile-search{display:block;}
  .header-inner{flex-wrap:wrap;padding-top:12px;}
  .page-head-card{grid-template-columns:1fr;padding:36px;gap:32px;}
  .page-head-card h1{font-size:34px;}
  .head-tag{left:auto;right:12px;bottom:-18px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:26px;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-card.tall{grid-row:auto;}
  .steps{grid-template-columns:1fr;}
  .steps-wrap{padding:24px;}
  .compare{grid-template-columns:1fr;}
  .compare-card{padding:26px;}
  .page-head-card{padding:26px;border-radius:24px;}
  .page-head-card h1{font-size:29px;line-height:1.28;}
  .head-badges{gap:10px;margin-top:22px;}
  .badge-stat{padding:8px 12px;}
  .cta-bar{padding:26px;flex-direction:column;align-items:flex-start;}
  .cta-bar h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:520px){
  .brand-name{font-size:15px;}
  .brand-sub{font-size:11px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .head-tag{display:none;}
}

/* roulang page: article */
:root{
  --brand-900:#0B2E28;
  --brand-700:#14584A;
  --brand-500:#1E7A63;
  --accent:#C9F04E;
  --clay:#E2703A;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#14201C;
  --muted:#5C6B65;
  --line:rgba(20,32,28,.08);
  --radius-card:24px;
  --radius-xl:32px;
  --shadow-card:0 12px 32px -16px rgba(11,46,40,.22);
  --shadow-float:0 20px 44px -18px rgba(11,46,40,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.page{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.page img{max-width:100%;height:auto;display:block}
body.page a{color:inherit;text-decoration:none}
body.page button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.90);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -24px rgba(11,46,40,.5);
}
.header-inner{display:flex;align-items:center;gap:24px;height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,#0B2E28,#14584A 60%,#1E7A63);
  color:var(--accent);display:grid;place-items:center;
  font-size:14px;font-weight:800;letter-spacing:.06em;
  box-shadow:0 10px 22px -14px rgba(11,46,40,.8);
}
.brand-name{display:block;font-size:17px;font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:-.01em}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.14em;line-height:1.5}
.header-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 420px;max-width:520px;margin:0 auto;
}
.header-search .search-icon{position:absolute;left:16px;width:18px;height:18px;color:var(--muted);pointer-events:none}
.header-search input{
  width:100%;height:48px;padding:0 92px 0 46px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-search input::placeholder{color:var(--muted);font-size:14px}
.header-search input:hover{border-color:rgba(30,122,99,.35)}
.header-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(201,240,78,.28)}
.search-key{
  position:absolute;right:12px;height:24px;padding:0 9px;border-radius:8px;
  border:1px solid var(--line);background:var(--paper);color:var(--muted);
  font-size:11px;letter-spacing:.06em;display:inline-flex;align-items:center;pointer-events:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:14px;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-700);background:rgba(20,88,74,.06)}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{
  content:"";position:absolute;left:22%;right:22%;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand-700);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:14px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent);color:var(--brand-900);box-shadow:0 10px 24px -14px rgba(201,240,78,.95)}
.btn-primary:hover{background:#d7fa6f;transform:translateY(-1px);box-shadow:var(--shadow-float)}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn-ghost:hover{background:rgba(20,88,74,.06);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.nav-cta{height:42px;padding:0 20px;margin-left:8px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:.25s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-search-bar{display:none;padding-bottom:14px}
.mobile-search{position:relative;display:flex;align-items:center}
.mobile-search .search-icon{position:absolute;left:15px;width:17px;height:17px;color:var(--muted)}
.mobile-search input{
  width:100%;height:44px;padding:0 16px 0 42px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.mobile-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(201,240,78,.28)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 24px}
.mobile-panel.open{display:block}
.mobile-links{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.mobile-links a{
  padding:12px 16px;border-radius:14px;font-size:15px;font-weight:600;
  color:var(--ink);background:var(--paper);transition:.2s ease;
}
.mobile-links a:hover,.mobile-links a.active{color:var(--brand-700);background:rgba(201,240,78,.24)}
.mobile-panel .btn{width:100%;margin-top:14px}

/* ---------- Breadcrumb + Article head ---------- */
.page-main{padding:8px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:20px 0 0}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-700)}
.crumb-sep{color:rgba(20,32,28,.24)}
.crumb-current{color:var(--ink);font-weight:600;max-width:min(62%,640px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:860px;padding:26px 0 34px;border-bottom:1px solid var(--line)}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(30,122,99,.4);background:rgba(201,240,78,.16);
  color:var(--brand-700);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.article-title{
  font-size:clamp(30px,3.4vw,44px);line-height:1.24;font-weight:800;
  letter-spacing:-.01em;margin:18px 0 0;color:var(--ink);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:20px;font-size:13px;color:var(--muted)}
.article-meta .meta-time{color:var(--clay);font-weight:700}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(20,32,28,.18)}

/* ---------- Article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:56px;align-items:start;padding:40px 0 0}
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--ink)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.45;font-weight:700;
  margin:48px 0 18px;padding-left:16px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;
  border-radius:4px;background:var(--accent);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.55;margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;border-left:3px solid var(--accent);
  background:var(--paper);border-radius:0 16px 16px 0;color:#31423C;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:0 0 1.2em;padding:0;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.76em;width:8px;height:2px;
  border-radius:2px;background:var(--brand-500);
}
.article-body ol{margin:0 0 1.2em;padding:0;list-style:none;counter-reset:li}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:.6em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.32em;width:22px;height:22px;
  border-radius:8px;background:rgba(201,240,78,.4);color:var(--brand-900);
  font-size:12px;font-weight:800;display:grid;place-items:center;line-height:1;
}
.article-body a{color:var(--brand-700);border-bottom:1px dashed rgba(20,88,74,.45);transition:.2s ease}
.article-body a:hover{background:var(--accent);color:var(--brand-900);border-bottom-color:transparent}
.article-body img{border-radius:16px;margin:24px 0;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;margin:24px 0;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;font-size:15px;
}
.article-body th{background:var(--paper);text-align:left;font-weight:700;padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:none}
.article-body strong{font-weight:700;color:var(--brand-900)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}

/* TOC */
.toc-col{display:block}
.toc{position:sticky;top:100px}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin:0 0 12px}
.toc-list{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.toc-link{
  display:block;margin-left:-1px;padding:7px 0 7px 14px;
  border-left:2px solid transparent;font-size:13px;line-height:1.7;
  color:var(--muted);transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-link:hover{color:var(--brand-700)}
.toc-link.active{
  color:var(--brand-900);font-weight:600;
  border-left-color:var(--brand-700);background:rgba(201,240,78,.16);
}

/* Article foot */
.article-foot{
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12px;font-weight:600;
  color:var(--muted);transition:.2s ease;
}
.tag:hover{border-color:rgba(201,240,78,.85);color:var(--brand-700);background:rgba(201,240,78,.14)}
.share-row{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--muted);cursor:pointer;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.icon-btn:hover{color:var(--brand-700);border-color:rgba(30,122,99,.4);transform:translateY(-1px);box-shadow:var(--shadow-card)}
.icon-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.copy-tip{font-size:12px;color:var(--brand-700);font-weight:600}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* Prev / Next */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.post-nav-item{
  display:block;padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);transition:.25s ease;
}
.post-nav-item:hover{transform:translateY(-4px);border-color:rgba(201,240,78,.75);box-shadow:var(--shadow-card)}
.post-nav-label{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted)}
.post-nav-title{font-size:16px;font-weight:700;line-height:1.55;color:var(--ink);margin-top:8px}
.post-nav-item.next{text-align:right}
.post-nav-item.next .post-nav-label{justify-content:flex-end}

/* Empty state */
.empty-state{
  max-width:800px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:56px 40px;text-align:center;
}
.empty-state .empty-icon{width:52px;height:52px;margin:0 auto 18px;color:var(--brand-500)}
.empty-state h2{font-size:22px;font-weight:700;margin:0 0 10px}
.empty-state p{color:var(--muted);font-size:15px;margin:0 0 24px}

/* ---------- Sections ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-title{font-size:clamp(24px,2.4vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.35;margin:0}
.section-desc{font-size:15px;color:var(--muted);margin:8px 0 0;line-height:1.75}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(201,240,78,.75);box-shadow:var(--shadow-card)}
.card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-badge{
  align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:rgba(201,240,78,.2);color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.card-title{
  font-size:18px;font-weight:700;line-height:1.55;margin:0;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-text{
  font-size:14px;line-height:1.78;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}
.card-time{color:var(--clay);font-weight:700}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  background:linear-gradient(135deg,#0B2E28,#14584A 55%,#1E7A63);color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-170px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,240,78,.22),transparent 70%);pointer-events:none;
}
.cta-band h2{position:relative;z-index:1;font-size:clamp(22px,2.4vw,30px);font-weight:800;margin:0 0 10px;color:#fff;line-height:1.35}
.cta-band p{position:relative;z-index:1;margin:0;max-width:520px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78)}
.cta-form{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  height:48px;width:250px;padding:0 18px;border-radius:16px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
  color:#fff;font-size:14px;outline:none;transition:.2s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:var(--accent);background:rgba(255,255,255,.16);box-shadow:0 0 0 3px rgba(201,240,78,.24)}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{margin:16px 0 0;max-width:340px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.site-footer h4{margin:0 0 16px;font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--accent)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-qr{
  margin-top:18px;width:104px;height:104px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.28);background:rgba(255,255,255,.04);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .header-inner{height:64px;gap:12px}
  .nav-links{display:none}
  .header-search{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .mobile-search-bar{display:block}
  .article-layout{grid-template-columns:1fr;gap:0}
  .toc-col{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;gap:24px}
  .cta-form{width:100%}
  .cta-form input{width:100%}
}
@media (max-width:767px){
  .article-head{padding:20px 0 26px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:22px;margin-top:38px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left}
  .post-nav-item.next .post-nav-label{justify-content:flex-start}
  .card-grid{grid-template-columns:1fr}
  .section{padding-top:52px}
  .empty-state{padding:40px 24px}
  .site-footer{margin-top:56px}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:30px 22px;border-radius:24px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand-sub{display:none}
  .article-title{font-size:28px}
  .article-meta{gap:10px 14px}
}

/* roulang page: category2 */
:root{
    --brand-900:#0B2E28;
    --brand-700:#14584A;
    --brand-500:#1E7A63;
    --accent:#C9F04E;
    --clay:#E2703A;
    --paper:#F7F5EF;
    --surface:#FFFFFF;
    --ink:#14201C;
    --muted:#5C6B65;
    --line:rgba(20,32,28,.08);
    --radius-card:24px;
    --radius-xl:32px;
    --radius-pill:999px;
    --shadow-card:0 12px 32px -16px rgba(11,46,40,.22);
    --shadow-float:0 20px 44px -18px rgba(11,46,40,.28);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    background:var(--paper);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
  ul,ol{list-style:none}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .section{padding:64px 0}
  .pt-0{padding-top:0}
  @media (min-width:768px){ .section{padding:96px 0} .pt-0{padding-top:0} }

  /* ============ Header / Nav ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,245,239,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid transparent;
    transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
  }
  .site-header.scrolled{
    background:rgba(255,255,255,.94);
    border-bottom-color:var(--line);
    box-shadow:0 10px 30px -26px rgba(11,46,40,.55);
  }
  .header-inner{display:flex;align-items:center;gap:20px;min-height:76px}
  .brand{display:flex;align-items:center;gap:11px;flex:none}
  .brand-mark{
    width:42px;height:42px;border-radius:13px;flex:none;
    background:linear-gradient(135deg,#0B2E28,#14584A 55%,#1E7A63);
    color:var(--accent);display:grid;place-items:center;
    font-weight:800;font-size:13px;letter-spacing:.08em;
    box-shadow:0 10px 22px -14px rgba(11,46,40,.7);
  }
  .brand-name{display:block;font-weight:800;font-size:16px;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
  .brand-sub{display:block;font-size:11px;line-height:1.5;color:var(--muted);letter-spacing:.08em}

  .header-search{
    flex:1 1 auto;max-width:520px;display:flex;align-items:center;gap:10px;
    height:48px;padding:0 8px 0 16px;background:#fff;
    border:1px solid var(--line);border-radius:var(--radius-pill);
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .header-search:focus-within{
    border-color:var(--brand-500);
    box-shadow:0 0 0 3px rgba(201,240,78,.32);
  }
  .header-search input{
    flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
    font-size:14px;color:var(--ink);
  }
  .header-search input::placeholder{color:var(--muted);font-size:14px}
  .search-ico{width:18px;height:18px;flex:none;color:var(--brand-700)}
  .kbd{
    flex:none;font-size:11px;color:var(--muted);background:var(--paper);
    border:1px solid var(--line);border-radius:7px;padding:3px 7px;letter-spacing:.04em;
  }

  .nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
  .nav-link{
    position:relative;padding:10px 13px;border-radius:9px;
    font-size:14.5px;font-weight:600;color:#3a4a44;
    transition:color .2s ease, background .2s ease;
  }
  .nav-link:hover{color:var(--brand-700);background:rgba(30,122,99,.07)}
  .nav-link.active{color:var(--brand-700)}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;transform:translateX(-50%);
    bottom:2px;width:60%;height:2px;border-radius:2px;background:var(--brand-700);
  }
  .nav-cta{height:42px;padding:0 20px;font-size:14px;margin-left:12px}

  .menu-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;cursor:pointer;color:var(--brand-700);
    transition:border-color .2s ease, background .2s ease;
  }
  .menu-toggle:hover{border-color:rgba(30,122,99,.4);background:rgba(30,122,99,.05)}
  .menu-toggle svg{width:20px;height:20px}

  .mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.98);padding:14px 0 20px}
  .mobile-drawer.open{display:block}
  .mobile-nav a{
    display:block;padding:13px 4px;font-size:15px;font-weight:600;
    border-bottom:1px solid var(--line);color:#26332e;transition:color .2s ease;
  }
  .mobile-nav a:hover,.mobile-nav a.active{color:var(--brand-700)}
  .mobile-cta{width:100%;margin-top:18px}

  @media (max-width:1023px){
    .header-inner{flex-wrap:wrap;min-height:0;padding-top:12px;padding-bottom:12px;gap:12px}
    .brand{order:1}
    .menu-toggle{order:2;display:inline-flex;margin-left:auto}
    .nav-links{display:none}
    .header-search{order:3;flex:1 0 100%;max-width:none;height:44px}
    .kbd{display:none}
  }
  @media (min-width:1024px){
    .mobile-drawer{display:none !important}
  }

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;border:0;border-radius:var(--radius-pill);
    font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
  }
  .btn-primary{
    background:var(--accent);color:var(--brand-900);
    box-shadow:0 12px 26px -16px rgba(11,46,40,.65);
  }
  .btn-primary:hover{transform:translateY(-1px);background:#d7fa72;box-shadow:var(--shadow-float)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px -12px rgba(11,46,40,.6)}
  .btn-outline{background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-700)}
  .btn-outline:hover{background:rgba(30,122,99,.08);transform:translateY(-1px)}
  .btn-outline:active{transform:translateY(0)}
  .btn[disabled]{opacity:.45;pointer-events:none}
  .btn-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14.5px;font-weight:700;color:var(--brand-700);
    transition:color .2s ease;
  }
  .btn-link:hover{color:var(--brand-900)}
  .btn-link svg{width:16px;height:16px;transition:transform .2s ease}
  .btn-link:hover svg{transform:translateX(3px)}

  /* ============ Page hero ============ */
  .page-hero{
    position:relative;overflow:hidden;
    background:linear-gradient(135deg,#0B2E28 0%,#14584A 55%,#1E7A63 100%);
    color:#fff;padding:52px 0 60px;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    opacity:.26;
  }
  .page-hero::after{
    content:"";position:absolute;width:560px;height:560px;right:-160px;top:-220px;border-radius:50%;
    background:radial-gradient(circle,rgba(201,240,78,.34),rgba(201,240,78,0) 70%);
    pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:2}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;
  }
  .breadcrumb a:hover{color:var(--accent)}
  .breadcrumb .sep{opacity:.5}
  .breadcrumb .current{color:#fff}
  .eyebrow{
    display:inline-flex;align-items:center;gap:9px;
    font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--accent);
  }
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
  .page-title{
    font-size:30px;line-height:1.22;font-weight:800;letter-spacing:-.01em;
    color:#fff;margin:14px 0 16px;max-width:840px;
  }
  .page-hero-desc{max-width:660px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.78)}
  .hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-badge{
    display:flex;align-items:center;gap:10px;padding:10px 18px;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
    border-radius:16px;backdrop-filter:blur(6px);
  }
  .hero-badge b{font-size:22px;font-weight:800;line-height:1;color:var(--accent);letter-spacing:-.02em}
  .hero-badge span{font-size:12.5px;color:rgba(255,255,255,.8)}
  @media (min-width:768px){
    .page-hero{padding:64px 0 76px}
    .page-title{font-size:44px}
    .page-hero-desc{font-size:16px}
  }

  /* ============ Filter chips ============ */
  .filter-bar{padding:28px 0 0}
  .chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{
    flex:none;display:inline-flex;align-items:center;gap:6px;
    padding:9px 18px;border-radius:var(--radius-pill);
    background:#fff;border:1px solid var(--line);
    font-size:13.5px;font-weight:600;color:#3a4a44;
    transition:transform .2s ease, border-color .2s ease, color .2s ease, background .2s ease;
  }
  .chip:hover{border-color:rgba(30,122,99,.42);color:var(--brand-700);transform:translateY(-1px)}
  .chip.is-active{background:var(--brand-900);border-color:var(--brand-900);color:#fff}

  /* ============ Feature card ============ */
  .feature-card{
    display:grid;grid-template-columns:1fr;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
    overflow:hidden;box-shadow:var(--shadow-card);
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-float);border-color:rgba(201,240,78,.55)}
  .feature-media{position:relative;min-height:240px;overflow:hidden;background:var(--paper)}
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .feature-card:hover .feature-media img{transform:scale(1.03)}
  .feature-media .float-tag{
    position:absolute;left:20px;top:20px;
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;border-radius:var(--radius-pill);
    background:rgba(255,255,255,.94);color:var(--brand-900);
    font-size:12px;font-weight:700;letter-spacing:.04em;
  }
  .feature-body{padding:28px}
  .feature-title{
    font-size:24px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
    margin:14px 0 15px;
  }
  .feature-text{font-size:15.5px;line-height:1.85;color:var(--muted)}
  .feature-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
  @media (min-width:900px){
    .feature-card{grid-template-columns:1.05fr 1fr}
    .feature-body{padding:40px}
    .feature-title{font-size:29px}
  }

  /* ============ Badges / meta ============ */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:var(--radius-pill);
    font-size:12px;font-weight:600;letter-spacing:.04em;
    background:rgba(30,122,99,.09);color:var(--brand-700);
  }
  .badge-accent{
    background:rgba(201,240,78,.36);color:#123f34;
    border:1px solid rgba(30,122,99,.18);
  }
  .meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    font-size:12.5px;color:var(--muted);margin-top:20px;
  }
  .meta .date{color:var(--clay);font-weight:700;letter-spacing:.02em}
  .meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(20,32,28,.2)}

  /* ============ Section head ============ */
  .sec-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
    gap:16px;margin-bottom:32px;
  }
  .sec-title{font-size:25px;line-height:1.32;font-weight:800;letter-spacing:-.01em}
  .sec-sub{font-size:14.5px;line-height:1.8;color:var(--muted);margin-top:10px;max-width:600px}
  @media (min-width:768px){ .sec-title{font-size:32px} }

  /* ============ News cards ============ */
  .grid-2{display:grid;grid-template-columns:1fr;gap:24px;margin-top:24px}
  @media (min-width:780px){ .grid-2{grid-template-columns:1fr 1fr} }
  .news-card{
    display:flex;flex-direction:column;height:100%;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(201,240,78,.5)}
  .news-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
  .news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .news-card:hover .thumb img{transform:scale(1.03)}
  .news-card .body{display:flex;flex-direction:column;gap:11px;padding:24px;flex:1 1 auto}
  .card-title{font-size:19px;line-height:1.52;font-weight:700;letter-spacing:-.005em;transition:color .2s ease}
  .news-card:hover .card-title{color:var(--brand-700)}
  .summary{
    font-size:14.5px;line-height:1.8;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-foot{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--muted);
  }
  .card-foot .date{color:var(--clay);font-weight:700}
  .card-foot .go{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--brand-700)}
  .news-card:hover .card-foot .go{color:var(--brand-900)}

  /* ============ Timeline ============ */
  .timeline{position:relative;margin-top:6px}
  .timeline::before{
    content:"";position:absolute;left:9px;top:14px;bottom:14px;width:2px;border-radius:2px;
    background:linear-gradient(180deg,rgba(226,112,58,.55),rgba(20,32,28,.07));
  }
  .tl-item{position:relative;padding-left:40px}
  .tl-item + .tl-item{margin-top:6px}
  .tl-dot{
    position:absolute;left:0;top:22px;width:20px;height:20px;border-radius:50%;
    background:#fff;border:2px solid var(--clay);display:grid;place-items:center;
  }
  .tl-dot::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--clay)}
  .tl-link{
    display:block;padding:18px 22px;border-radius:20px;border:1px solid transparent;
    transition:background .22s ease, border-color .22s ease, transform .22s ease;
  }
  .tl-link:hover{background:var(--paper);border-color:var(--line);transform:translateX(3px)}
  .tl-title{font-size:17px;line-height:1.55;font-weight:700;transition:color .2s ease}
  .tl-link:hover .tl-title{color:var(--brand-700)}
  .tl-desc{font-size:14px;line-height:1.8;color:var(--muted);margin-top:6px}
  .meta-inline{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:9px}
  .meta-inline .date{font-size:12px;font-weight:700;color:var(--clay);letter-spacing:.02em}

  /* ============ FAQ ============ */
  .faq-wrap{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:960px){ .faq-wrap{grid-template-columns:0.85fr 1.15fr;gap:56px;align-items:start} }
  .faq-list{display:grid;gap:14px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item.open{border-color:rgba(30,122,99,.35);box-shadow:var(--shadow-card)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:19px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  }
  .faq-q:hover{color:var(--brand-700)}
  .faq-icon{
    flex:none;width:22px;height:22px;display:grid;place-items:center;
    color:var(--brand-700);transition:transform .25s ease;
  }
  .faq-icon svg{width:16px;height:16px}
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

  /* ============ CTA ============ */
  .cta-card{
    position:relative;overflow:hidden;
    border-radius:var(--radius-xl);
    background:linear-gradient(135deg,#0B2E28,#14584A 55%,#1E7A63);
    color:#fff;padding:36px 26px;display:grid;gap:28px;
  }
  .cta-card::after{
    content:"";position:absolute;width:440px;height:440px;right:-140px;bottom:-240px;border-radius:50%;
    background:radial-gradient(circle,rgba(201,240,78,.3),rgba(201,240,78,0) 70%);
    pointer-events:none;
  }
  .cta-card > *{position:relative;z-index:2}
  .cta-title{font-size:24px;line-height:1.35;font-weight:800;letter-spacing:-.01em;color:#fff}
  .cta-text{font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);margin-top:14px;max-width:520px}
  .cta-form{display:flex;flex-wrap:wrap;gap:12px}
  .cta-form input{
    flex:1 1 220px;min-width:0;height:48px;border-radius:16px;
    border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
    padding:0 16px;font-size:14.5px;color:#fff;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .cta-form input::placeholder{color:rgba(255,255,255,.62)}
  .cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,240,78,.24)}
  .form-label{display:block;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:10px}
  .form-note{font-size:12.8px;line-height:1.7;color:rgba(255,255,255,.62);margin-top:12px;min-height:20px}
  .form-note.is-ok{color:var(--accent)}
  .form-note.is-error{color:#ffc7a6}
  @media (min-width:960px){
    .cta-card{grid-template-columns:1.05fr .95fr;align-items:center;padding:56px}
    .cta-title{font-size:32px}
  }

  /* ============ Footer ============ */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:60px 0 0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px} }
  .footer-brand .brand-name{color:#fff}
  .footer-brand .brand-sub{color:rgba(255,255,255,.55)}
  .footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:330px}
  .site-footer h4{font-size:14px;font-weight:700;color:var(--accent);margin:0 0 16px;letter-spacing:.06em}
  .footer-links{display:grid;gap:11px}
  .footer-links a{font-size:13.5px;color:rgba(255,255,255,.72);transition:color .2s ease, transform .2s ease}
  .footer-links a:hover{color:var(--accent);transform:translateX(2px)}
  .footer-contact{display:grid;gap:11px;font-size:13.5px;color:rgba(255,255,255,.72)}
  .footer-qr{
    margin-top:18px;width:106px;height:106px;border-radius:14px;
    border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;
    text-align:center;font-size:11.5px;line-height:1.6;color:rgba(255,255,255,.5);padding:8px;
  }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:12.5px;color:rgba(255,255,255,.55);
  }
  .footer-bottom a{color:rgba(255,255,255,.7);transition:color .2s ease}
  .footer-bottom a:hover{color:var(--accent)}

  @media (prefers-reduced-motion: reduce){
    *{animation:none !important;transition:none !important}
  }