/* roulang page: index */
:root{
  --primary:#0E3B2E;
  --primary-dark:#082720;
  --accent:#C8F04B;
  --accent-hover:#B7E03A;
  --orange:#FF6A3D;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --text:#1B2320;
  --muted:#5A6763;
  --border:#E3E5DE;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,59,46,.06);
  --sh-2:0 12px 28px rgba(14,59,46,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe 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;transition:color .2s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px}
@media (max-width:1023px){.container{padding-left:28px;padding-right:28px}}
@media (max-width:639px){.container{padding-left:20px;padding-right:20px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--card);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease-out;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(14,59,46,.10)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-dot{width:10px;height:10px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px rgba(200,240,75,.28);flex-shrink:0}
.brand-text{font-size:17px;font-weight:600;color:var(--primary);white-space:nowrap;letter-spacing:.01em}
.brand-text b{font-weight:800}

.nav-panel{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:var(--r-sm);
  font-size:14px;font-weight:500;color:var(--muted);
  border:1px solid transparent;background:transparent;
  min-height:44px;white-space:nowrap;
  transition:background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.nav-card i{font-size:13px;opacity:.85}
.nav-card:hover{background:#fff;color:var(--primary);border-color:var(--border);box-shadow:var(--sh-1)}
.nav-card.active{background:var(--accent);color:var(--primary);font-weight:700;border-color:var(--accent)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;min-height:46px;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn i{font-size:14px}
.btn-primary{background:var(--accent);color:var(--primary);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,59,46,.20)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.38)}
.btn-ghost-light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.btn-block{width:100%}

.nav-cta{margin-left:8px;padding:10px 20px;min-height:44px;font-size:14px}

.menu-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:#fff;color:var(--primary);
  align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}
.menu-toggle:hover{background:var(--bg)}

.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(8,39,32,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;
}
.mobile-drawer.open{opacity:1;visibility:visible}
.drawer-inner{
  position:absolute;right:0;top:0;bottom:0;width:min(420px,88vw);
  background:var(--bg);padding:24px 20px;
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease-out;
  overflow-y:auto;
}
.mobile-drawer.open .drawer-inner{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--border);background:#fff;color:var(--primary);cursor:pointer}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:16px 14px;font-size:14px;font-weight:600;color:var(--primary);
  display:flex;flex-direction:column;gap:8px;min-height:84px;
}
.drawer-card i{font-size:16px;color:var(--primary)}
.drawer-card.active{background:var(--accent);border-color:var(--accent)}
.drawer-cta{margin-top:auto;padding-top:22px}
.drawer-cta .btn{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--primary-dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:rgba(8,39,32,.72)}
.hero-inner{
  position:relative;z-index:2;padding-top:84px;padding-bottom:92px;
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
}
.hero-badge-top{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:var(--primary);
  font-size:13px;font-weight:700;letter-spacing:.02em;
  padding:6px 12px;border-radius:999px;
}
.hero-title{
  font-size:40px;line-height:1.35;font-weight:700;color:#fff;
  margin-top:20px;margin-bottom:18px;letter-spacing:-.01em;
}
.hero-sub{font-size:18px;line-height:1.75;color:rgba(255,255,255,.84);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-anchor{width:56px;height:3px;border-radius:2px;background:var(--accent);margin-top:32px}

.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:0 24px 48px rgba(0,0,0,.32);
}
.hero-chip{
  position:absolute;background:#fff;border-radius:var(--r-sm);
  padding:11px 14px;font-size:13px;font-weight:600;color:var(--primary);
  box-shadow:var(--sh-2);display:flex;align-items:center;gap:8px;line-height:1.4;
}
.hero-chip i{color:var(--orange)}
.hero-chip-1{left:-18px;bottom:26px}
.hero-chip-2{right:-14px;top:22px}

/* ---------- Sections ---------- */
.section{padding-top:88px;padding-bottom:88px}
.section-alt{background:#FFFFFF;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-tint{background:#EFEFE8}
.sec-head{max-width:760px;margin-bottom:46px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--primary);margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:28px;line-height:1.4;font-weight:700;margin-bottom:14px}
.sec-desc{font-size:16px;line-height:1.85;color:var(--muted)}

.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,59,46,.22)}
.card-media{overflow:hidden;border-radius:var(--r-sm);background:#E8EAE2}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.card:hover .card-media img{transform:scale(1.03)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.5;
}
.badge-lime{background:var(--accent);color:var(--primary)}
.badge-line{border:1px solid var(--border);color:var(--muted);background:#fff}

.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.link-more{font-size:14px;font-weight:700;color:var(--primary);border-bottom:2px solid transparent;padding-bottom:1px}
.link-more:hover{border-bottom-color:var(--accent)}

/* ---------- Service grid ---------- */
.svc-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.svc-col{display:grid;gap:24px}
.svc-card{padding:26px;display:flex;flex-direction:column;gap:14px}
.svc-card-lg{padding:0;overflow:hidden}
.svc-card-lg .card-media{border-radius:0;aspect-ratio:16/9}
.svc-card-lg .svc-body{padding:26px;display:flex;flex-direction:column;gap:14px}
.svc-icon{
  width:44px;height:44px;border-radius:var(--r-sm);background:rgba(200,240,75,.28);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;
}
.svc-title{font-size:20px;line-height:1.5;font-weight:600}
.svc-text{font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- Stats band ---------- */
.stats-band{background:var(--primary);color:#fff;padding-top:72px;padding-bottom:72px;position:relative;overflow:hidden}
.stats-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:999px;
  background:rgba(200,240,75,.06);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.stat-item{padding-right:16px}
.stat-num{
  font-size:40px;line-height:1.1;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-num span{font-size:20px;font-weight:600;margin-left:4px}
.stat-label{font-size:16px;font-weight:600;color:#fff;margin-top:12px;line-height:1.6}
.stat-note{font-size:14px;line-height:1.7;color:rgba(255,255,255,.66);margin-top:6px}

/* ---------- Zigzag cases ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:56px}
.zig:last-child{margin-bottom:0}
.zig-rev .zig-media{order:2}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md)}
.zig-body .badge{margin-bottom:14px}
.zig-title{font-size:22px;line-height:1.5;font-weight:700;margin-bottom:12px}
.zig-text{font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- Steps ---------- */
.steps{max-width:880px}
.step{display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:34px;position:relative}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:27px;top:60px;bottom:0;width:1px;background:var(--border)}
.step:last-child::before{display:none}
.step-num{
  width:56px;height:56px;border-radius:999px;background:var(--accent);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;
  position:relative;z-index:2;
}
.step-title{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:6px;padding-top:8px}
.step-text{font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.news-feature{overflow:hidden;display:flex;flex-direction:column}
.news-feature .card-media{border-radius:0;aspect-ratio:16/9}
.news-feature-body{padding:24px;display:flex;flex-direction:column;gap:12px}
.news-feature-title{font-size:21px;line-height:1.55;font-weight:700}
.news-feature-title a:hover{color:var(--primary);border-bottom:2px solid var(--accent)}
.news-feature-desc{font-size:15px;line-height:1.8;color:var(--muted)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap}
.news-meta .dot{width:8px;height:8px;border-radius:999px;background:var(--accent);flex-shrink:0}
.news-meta .link-more{margin-left:auto}

.news-side{display:grid;gap:16px}
.news-row{display:grid;grid-template-columns:104px 1fr;gap:16px;padding:14px;align-items:stretch}
.news-row .card-media{aspect-ratio:4/3;border-radius:12px}
.news-row-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-row-title{font-size:16px;line-height:1.55;font-weight:600}
.news-row-title a:hover{color:var(--primary);border-bottom:2px solid var(--accent)}
.news-row-desc{font-size:13px;line-height:1.7;color:var(--muted)}
.news-row-foot{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}

.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--border);border-radius:var(--r-md);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state i{font-size:30px;color:var(--primary);opacity:.55}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:rgba(14,59,46,.22)}
.faq-item[open]{box-shadow:var(--sh-1);border-color:rgba(14,59,46,.22)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:600;line-height:1.6;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:23px;font-weight:400;color:var(--primary);
  line-height:1;transition:transform .2s ease-out;flex-shrink:0;
}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.contact-form{padding:30px;display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--primary)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:#fff;font-size:15px;line-height:1.6;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;min-height:46px;
}
.field textarea{min-height:118px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA5A1}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(200,240,75,.65);
}
.field input:user-invalid,.field textarea:user-invalid{border-color:var(--orange)}
.form-note{font-size:13px;line-height:1.7;color:var(--muted)}

.contact-info{padding:30px;display:flex;flex-direction:column;gap:20px;background:var(--primary);color:#fff;border-color:rgba(255,255,255,.10)}
.contact-info .card-title{font-size:20px;font-weight:700;line-height:1.5}
.contact-info p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.78)}
.info-list{display:flex;flex-direction:column;gap:14px}
.info-row{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.88);line-height:1.7}
.info-row i{color:var(--accent);margin-top:5px;font-size:15px;flex-shrink:0}
.info-divider{height:1px;background:rgba(255,255,255,.12)}

/* ---------- Final CTA ---------- */
.final-cta{
  background:var(--primary);border-radius:var(--r-lg);padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.final-cta::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;
  border-radius:999px;background:rgba(200,240,75,.08);
}
.final-cta h2{font-size:26px;line-height:1.45;font-weight:700;color:#fff;margin-bottom:10px}
.final-cta p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:640px}
.final-cta .btn{position:relative;z-index:2}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.78);margin-top:88px;padding-top:64px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:24px;margin-bottom:36px}
.footer-card{
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);
  background:rgba(255,255,255,.03);padding:24px;
}
.footer-grid > *:not(.footer-card){padding:4px 4px 0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-dot{box-shadow:0 0 0 4px rgba(200,240,75,.18)}
.footer-brand strong{font-size:17px;font-weight:600;color:#fff;letter-spacing:.01em}
.footer-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);display:inline-flex;align-items:center;gap:8px;min-height:22px}
.footer-links a:hover{color:var(--accent)}
.footer-links i{font-size:12px;color:var(--accent);opacity:.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom .sep{width:6px;height:6px;border-radius:999px;background:var(--accent);display:inline-block;margin:0 8px;vertical-align:middle}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-title{font-size:36px}
}
@media (max-width:1023px){
  .nav-panel{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:64px;padding-bottom:72px}
  .hero-title{font-size:34px}
  .hero-visual{max-width:600px}
  .hero-chip-1{left:10px}
  .hero-chip-2{right:8px}
  .svc-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px}
  .zig{grid-template-columns:1fr;gap:22px;margin-bottom:44px}
  .zig-rev .zig-media{order:0}
  .news-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
  .section{padding-top:68px;padding-bottom:68px}
}
@media (max-width:767px){
  .section{padding-top:56px;padding-bottom:56px}
  .sec-title{font-size:24px}
  .hero-title{font-size:30px;line-height:1.38}
  .hero-sub{font-size:16px}
  .stats-band{padding-top:56px;padding-bottom:56px}
  .stat-num{font-size:32px}
  .news-row{grid-template-columns:88px 1fr;gap:14px}
  .final-cta{padding:34px 26px}
  .final-cta h2{font-size:21px}
  .contact-form,.contact-info{padding:24px}
  .svc-card{padding:22px}
  .svc-card-lg .svc-body{padding:22px}
}
@media (max-width:519px){
  .nav-wrap{min-height:68px}
  .brand-text{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .news-row{grid-template-columns:1fr}
  .news-row .card-media{aspect-ratio:16/9}
  .hero-actions .btn{width:100%}
  .step{grid-template-columns:46px 1fr;gap:16px}
  .step-num{width:46px;height:46px;font-size:17px}
  .step::before{left:22px;top:50px}
}

/* roulang page: article */
:root{
  --primary:#0E3B2E;
  --primary-deep:#082720;
  --accent:#C8F04B;
  --accent-deep:#B7E03A;
  --orange:#FF6A3D;
  --bg:#F6F5F0;
  --bg-soft:#F1F2EC;
  --card:#FFFFFF;
  --text:#1B2320;
  --text-2:#5A6763;
  --line:#E3E5DE;
  --r-xl:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,59,46,.06);
  --sh-2:0 12px 28px rgba(14,59,46,.12);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 28px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(14,59,46,.09);}
.header-inner{display:flex;align-items:center;gap:16px;height:72px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--primary);letter-spacing:.01em;
  white-space:nowrap;
}
.brand-dot{
  width:10px;height:10px;border-radius:999px;background:var(--accent);
  box-shadow:0 0 0 4px rgba(200,240,75,.28);flex:0 0 auto;
}
.brand em{font-style:normal;color:var(--primary);font-weight:700;}
.brand span.brand-key{color:var(--primary);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:3px;text-underline-offset:4px;}
.nav-panel{display:none;}
@media (min-width:1024px){
  .nav-panel{display:flex;align-items:center;gap:8px;margin-left:auto;}
}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:12px;
  font-size:14px;color:var(--text-2);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.nav-card i{font-size:12px;color:var(--primary);opacity:.7;}
.nav-card:hover{background:var(--bg);color:var(--primary);box-shadow:var(--sh-1);}
.nav-card:hover i{opacity:1;}
.nav-card.active{
  background:var(--accent);color:var(--primary);font-weight:600;
  box-shadow:inset 3px 0 0 var(--primary);
}
.nav-card.active i{opacity:1;}
.header-cta{margin-left:14px;display:none;}
@media (min-width:1024px){.header-cta{display:inline-flex;}}
.nav-toggle{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--primary);background:#fff;
  transition:background var(--ease),box-shadow var(--ease);
}
.nav-toggle:hover{background:var(--bg);box-shadow:var(--sh-1);}
@media (min-width:1024px){.nav-toggle{display:none;}}

.nav-drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--bg);
  display:flex;flex-direction:column;
  padding:20px;
  transform:translateX(100%);
  transition:transform 280ms ease;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
}
.drawer-label{font-size:13px;letter-spacing:.02em;color:var(--text-2);margin:6px 0 12px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-card{
  display:flex;flex-direction:column;gap:10px;
  padding:18px 16px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--primary);
  min-height:96px;justify-content:center;
}
.drawer-card i{font-size:16px;color:var(--primary);opacity:.75;}
.drawer-card.active{background:var(--accent);border-color:var(--accent);box-shadow:inset 3px 0 0 var(--primary);}
.drawer-cta{margin-top:28px;width:100%;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;min-height:44px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--accent);color:var(--primary);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,59,46,.18);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.btn-block{width:100%;}
.link-inline{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  border-bottom:2px solid transparent;
  transition:border-color var(--ease),color var(--ease);
}
.link-inline:hover{border-bottom-color:var(--accent);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  background:var(--accent);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-soft{background:rgba(14,59,46,.08);color:var(--primary);}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--text-2);font-weight:500;}

/* ============ page hero (article head) ============ */
.page-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  background-color:var(--primary-deep);
  color:#fff;
  padding:40px 0 44px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,39,32,.88) 0%,rgba(8,39,32,.78) 100%);
}
.page-hero .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);}
.crumb a{border-bottom:2px solid transparent;transition:color var(--ease),border-color var(--ease);}
.crumb a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.crumb .crumb-sep{color:rgba(255,255,255,.4);}
.crumb .crumb-current{
  max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:#fff;
}
.post-title{
  font-size:30px;line-height:1.4;font-weight:700;letter-spacing:.01em;
  margin:16px 0 18px;max-width:900px;color:#fff;
}
@media (min-width:768px){.post-title{font-size:32px;}}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:rgba(255,255,255,.82);
}
.meta-bar .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-bar .sep{width:1px;height:14px;background:rgba(255,255,255,.3);}
.meta-bar .badge{border:1px solid rgba(200,240,75,.5);}

/* ============ article layout ============ */
.article-section{padding:48px 0 72px;border-top:1px solid var(--line);}
.article-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 260px;gap:48px;justify-content:center;align-items:start;}
}
.post-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:24px;
}
@media (min-width:768px){.post-card{padding:36px 40px;}}
.post-card:hover{box-shadow:var(--sh-1);}
.backline{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding-bottom:20px;margin-bottom:26px;
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.backline .dotline{width:22px;height:3px;border-radius:999px;background:var(--accent);display:inline-block;}

/* article body */
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.5;font-weight:700;color:var(--primary);
  margin-top:38px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;bottom:.34em;width:4px;border-radius:999px;background:var(--accent);
}
.article-body h3{font-size:20px;line-height:1.6;font-weight:600;color:var(--primary);margin-top:28px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--primary);margin-top:22px;}
.article-body ul,.article-body ol{padding-left:24px;margin:20px 0;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:8px 0;line-height:1.8;}
.article-body li::marker{color:var(--primary);}
.article-body strong{color:var(--primary);}
.article-body img{border-radius:var(--r-md);margin:24px auto;}
.article-body blockquote{
  border-left:3px solid var(--accent);
  background:var(--bg-soft);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:16px 20px;color:var(--text-2);
}
.article-body blockquote p{margin:0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;text-align:center;color:var(--text-2);margin-top:10px;line-height:1.7;}
.article-body table{
  width:100%;border-collapse:collapse;background:var(--bg-soft);
  border-radius:var(--r-sm);display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.article-body th,.article-body td{
  padding:11px 14px;border-bottom:1px solid var(--line);
  font-size:15px;text-align:left;white-space:nowrap;
}
.article-body th{color:var(--primary);font-weight:600;}
.article-body pre{
  background:var(--primary);color:#E6F5D6;border-radius:var(--r-sm);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{
  background:#EDEFE9;border-radius:6px;padding:2px 6px;font-size:14px;
}
.article-body pre code{background:transparent;padding:0;color:inherit;}
.article-body a{
  color:var(--primary);font-weight:600;
  border-bottom:2px solid var(--accent);
}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* empty state */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-align:center;padding:64px 20px;color:var(--text-2);
}
.empty-state i{font-size:30px;color:var(--primary);opacity:.55;}
.empty-state p{font-size:16px;}

/* sidebar */
.sidebar{display:none;}
@media (min-width:1024px){.sidebar{display:block;}}
.sidebar-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--primary);margin-bottom:12px;
}
.side-title i{font-size:13px;color:var(--primary);opacity:.7;}
.side-links{display:flex;flex-direction:column;gap:2px;}
.side-links a{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:10px;
  font-size:14px;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.side-links a i{font-size:11px;color:var(--accent-deep);}
.side-links a:hover{background:var(--bg);color:var(--primary);}
.side-links a.active{background:var(--accent);color:var(--primary);font-weight:600;}
.side-text{font-size:14px;line-height:1.8;color:var(--text-2);}
.side-card .btn{margin-top:16px;}
.side-card-dark{
  background:var(--primary);color:#fff;border:1px solid rgba(200,240,75,.18);
}
.side-card-dark .side-title{color:#fff;}
.side-card-dark .side-title i{color:var(--accent);opacity:1;}
.side-card-dark .side-text{color:rgba(255,255,255,.75);}

/* ============ related ============ */
.related-section{padding:0 0 72px;}
.section-head{margin-bottom:28px;max-width:760px;}
.section-head h2{
  position:relative;font-size:26px;font-weight:700;color:var(--primary);
  padding-left:16px;line-height:1.5;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:999px;background:var(--accent);
}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.related-card{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,59,46,.2);}
.related-card img{
  width:96px;height:72px;flex:0 0 96px;
  object-fit:cover;border-radius:var(--r-sm);
}
.related-card h3{
  font-size:16px;line-height:1.6;font-weight:600;color:var(--primary);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:8px;font-size:13px;color:var(--text-2);
}
.related-meta .tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 9px;border-radius:999px;
  background:rgba(14,59,46,.07);color:var(--primary);font-size:12px;font-weight:600;
}
.related-meta .date{display:inline-flex;align-items:center;gap:5px;font-variant-numeric:tabular-nums;}
.related-meta .date::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent-deep);}
.related-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:40px 20px;text-align:center;color:var(--text-2);
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-md);
}

/* ============ CTA band ============ */
.cta-band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0;}
.cta-inner{
  display:flex;flex-direction:column;gap:20px;
  align-items:flex-start;
}
@media (min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}}
.cta-inner h2{font-size:24px;font-weight:700;color:var(--primary);line-height:1.5;}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--text-2);}

/* ============ footer ============ */
.site-footer{
  background:var(--primary-deep);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.2fr 1fr 1fr 1.2fr;}}
.footer-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-md);
  padding:20px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;color:#fff;}
.footer-brand strong{font-weight:700;}
.footer-text{font-size:14px;line-height:1.75;margin-top:12px;color:rgba(255,255,255,.68);}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:12px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  display:flex;align-items:center;gap:8px;
  padding:7px 0;font-size:14px;color:rgba(255,255,255,.72);
  transition:color var(--ease);
}
.footer-links a i{font-size:11px;color:var(--accent);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:34px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .sep{display:inline-block;width:1px;height:12px;background:rgba(255,255,255,.25);margin-right:8px;vertical-align:middle;}

/* roulang page: category1 */
:root{
  --primary:#0E3B2E;
  --primary-deep:#082720;
  --accent:#C8F04B;
  --accent-dark:#B7E03A;
  --sprint:#FF6A3D;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --ink:#1B2320;
  --muted:#5A6763;
  --line:#E3E5DE;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,59,46,.06);
  --sh-2:0 12px 28px rgba(14,59,46,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 28px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.header-row{display:flex;align-items:center;gap:16px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--primary);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--sprint);}
.nav-panel{
  display:none;flex:1 1 auto;align-items:center;gap:8px;
  justify-content:center;
}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:var(--r-sm);
  font-size:14px;color:#2c3a35;background:transparent;
  border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,box-shadow .18s ease,color .18s ease;
  min-height:40px;
}
.nav-card i{color:var(--primary);font-size:13px;}
.nav-card:hover{background:#fff;box-shadow:var(--sh-1);color:var(--primary);}
.nav-card.active{
  background:var(--accent);color:var(--primary);font-weight:600;
  border-left:3px solid var(--primary);padding-left:9px;
}
.nav-card.active i{color:var(--primary);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);}
@media(min-width:1024px){
  .nav-panel{display:flex;}
  .nav-toggle{display:none;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:transform .16s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  min-height:44px;
}
.btn-primary{background:var(--accent);color:var(--primary);}
.btn-primary:hover{background:var(--accent-dark);color:var(--primary);transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,59,46,.16);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--primary);border-color:var(--line);}
.btn-light:hover{border-color:var(--primary);transform:translateY(-1px);}
.btn-sm{padding:8px 16px;font-size:14px;min-height:40px;}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .26s ease;
  visibility:hidden;
}
.drawer.open{transform:translateX(0);visibility:visible;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer-grid{
  flex:1 1 auto;overflow-y:auto;
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  padding:20px;
}
.drawer-grid .nav-card{
  flex-direction:column;align-items:flex-start;gap:10px;
  border:1px solid var(--line);background:#fff;padding:16px 14px;
  min-height:92px;font-size:14px;white-space:normal;border-radius:var(--r-sm);
}
.drawer-grid .nav-card i{font-size:18px;}
.drawer-grid .nav-card.active{background:var(--accent);border-color:var(--primary);}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}
@media(min-width:1024px){.drawer{display:none;}}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;
  background-image:linear-gradient(rgba(14,59,46,.74),rgba(8,39,32,.78)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:56px 0 52px;
}
.hero-cat::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:120px;height:3px;background:var(--accent);border-radius:2px;
}
.hero-inner{max-width:780px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  background:rgba(200,240,75,.16);border:1px solid rgba(200,240,75,.4);
  color:var(--accent);font-size:13px;letter-spacing:.02em;margin-bottom:18px;
}
.hero-title{
  font-size:30px;line-height:1.35;font-weight:700;letter-spacing:.01em;
  color:#fff;
}
.hero-sub{
  margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
@media(min-width:768px){
  .hero-cat{padding:72px 0 64px;}
  .hero-title{font-size:40px;line-height:1.28;}
}
@media(min-width:1024px){
  .hero-cat{padding:84px 0 72px;}
}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:18px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);box-shadow:inset 0 -2px 0 var(--accent);}
.breadcrumb .sep-dot{color:#b9c1bc;}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:80px 0;}}
.sec-head{margin-bottom:28px;}
.sec-title{
  font-size:24px;line-height:1.4;font-weight:700;color:var(--primary);
  position:relative;padding-left:16px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--accent);
}
.sec-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:760px;}
@media(min-width:1024px){.sec-title{font-size:28px;}}

/* ---------- toc ---------- */
.toc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
}
.toc-title{
  font-size:14px;font-weight:700;color:var(--primary);
  letter-spacing:.02em;display:flex;align-items:center;gap:8px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-title i{color:var(--sprint);}
.toc-list{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14px;color:#33413b;
  transition:background .18s ease,color .18s ease;
}
.toc-link span.num{
  font-variant-numeric:tabular-nums;font-size:12px;color:var(--sprint);
  font-weight:700;min-width:18px;
}
.toc-link:hover{background:#F2F5EC;color:var(--primary);}
@media(min-width:1024px){
  .toc-card{position:sticky;top:96px;}
}
.toc-note{
  margin-top:16px;padding:14px;border-radius:var(--r-sm);
  background:#F2F5EC;font-size:13px;color:var(--muted);line-height:1.7;
}

/* ---------- step cards ---------- */
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-card{
  display:flex;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  scroll-margin-top:96px;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,59,46,.2);}
.step-index{
  flex:0 0 auto;width:46px;height:46px;border-radius:999px;
  background:var(--primary);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step-main{flex:1 1 auto;min-width:0;}
.step-title{font-size:19px;font-weight:600;line-height:1.5;color:var(--primary);}
.step-text{margin-top:10px;font-size:15px;line-height:1.85;color:#33413b;}
.dot-list{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.dot-list li{
  position:relative;padding-left:18px;font-size:14px;line-height:1.8;color:var(--muted);
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);border:1px solid rgba(14,59,46,.25);
}
.step-figure{margin-top:16px;}
.step-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-sm);
  border:1px solid var(--line);
}
.step-cap{margin-top:8px;font-size:13px;color:var(--muted);}
@media(max-width:520px){
  .step-card{flex-direction:column;padding:18px;gap:12px;}
}

/* ---------- data band ---------- */
.data-band{
  background:var(--primary);color:#fff;border-radius:var(--r-lg);
  padding:36px 24px;margin-top:24px;
}
.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.data-item{text-align:center;}
.data-num{
  font-size:32px;font-weight:700;line-height:1.2;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.data-label{margin-top:6px;font-size:13px;color:rgba(255,255,255,.78);letter-spacing:.02em;}
.data-note{
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:14px;color:rgba(255,255,255,.72);text-align:center;
}
@media(min-width:768px){
  .data-band{padding:44px 32px;}
  .data-grid{grid-template-columns:repeat(4,1fr);}
  .data-num{font-size:40px;}
}

/* ---------- figure block ---------- */
.figure-card{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.figure-media img{width:100%;height:100%;min-height:220px;object-fit:cover;}
.figure-body{padding:26px;}
.figure-body h3{font-size:20px;font-weight:600;color:var(--primary);}
.figure-body p{margin-top:12px;font-size:15px;line-height:1.85;color:#33413b;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:13px;letter-spacing:.02em;
  background:var(--accent);color:var(--primary);font-weight:600;
}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:500;}
@media(min-width:768px){
  .figure-card{grid-template-columns:1fr 1fr;}
  .figure-body{padding:36px;}
}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(14,59,46,.2);}
.faq-item[open]{box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--primary);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--accent);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform .22s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{
  padding:0 20px 20px;font-size:15px;line-height:1.85;color:#3a4742;
  border-top:1px solid var(--line);padding-top:16px;
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--primary-deep);color:#fff;border-radius:var(--r-lg);
  padding:36px 24px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;
  border-radius:50%;background:rgba(200,240,75,.08);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:20px;}
.cta-title{font-size:22px;font-weight:700;line-height:1.45;color:#fff;}
.cta-text{font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media(min-width:768px){
  .cta-band{padding:44px 40px;}
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}
  .cta-title{font-size:26px;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--primary);color:rgba(255,255,255,.78);margin-top:0;padding:52px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.footer-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(200,240,75,.18);
  border-radius:var(--r-md);padding:20px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;}
.brand-dot{width:10px;height:10px;border-radius:999px;background:var(--accent);display:inline-block;}
.footer-text{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:8px;}
.footer-links a i{color:var(--accent);font-size:12px;}
.footer-links a:hover{color:#fff;box-shadow:inset 0 -2px 0 var(--accent);}
.footer-bottom{
  margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.sep{display:inline-block;width:1px;height:11px;background:rgba(255,255,255,.28);margin-right:10px;vertical-align:middle;}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.4fr;}}

/* roulang page: category2 */
:root{
  --primary:#0E3B2E;
  --primary-dark:#082720;
  --accent:#C8F04B;
  --accent-dark:#B7E03A;
  --accent-soft:rgba(200,240,75,.18);
  --orange:#FF6A3D;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --text:#1B2320;
  --muted:#5A6763;
  --line:#E3E5DE;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,59,46,.06);
  --shadow-2:0 12px 28px rgba(14,59,46,.12);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:6px 0;
}
.brand-mark{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);
  color:var(--accent);
  border-radius:var(--radius-sm);
  font-size:16px;
}
.brand-name{
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--primary);
  white-space:nowrap;
}
.brand-accent{color:var(--primary);}
.brand-underline{
  display:block;
  height:3px;width:26px;
  background:var(--accent);
  border-radius:2px;
  margin-top:3px;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:6px;
  background:#FBFBF8;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:var(--radius-sm);
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  position:relative;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-card i{font-size:13px;}
.nav-card:hover{
  background:#FFFFFF;
  color:var(--primary);
  box-shadow:var(--shadow-1);
}
.nav-card.active{
  background:var(--accent);
  color:var(--primary);
  font-weight:700;
}
.nav-card.active::before{
  content:"";
  position:absolute;
  left:-6px;top:50%;
  transform:translateY(-50%);
  width:3px;height:18px;
  border-radius:2px;
  background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#FFFFFF;
  border-radius:var(--radius-sm);
  color:var(--primary);
  font-size:17px;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#FFFFFF;
  padding:20px 0 24px;
}
.mobile-drawer.open{display:block;}
.drawer-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.drawer-card{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 12px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#FBFBF8;
  font-size:14px;
  color:var(--muted);
  font-weight:500;
}
.drawer-card.active{background:var(--accent);color:var(--primary);font-weight:700;border-color:var(--accent);}
.drawer-cta{margin-top:16px;}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  padding:12px 22px;
  border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:var(--primary);
  border-color:var(--accent);
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(14,59,46,.35);
}
.btn-ghost:hover{background:var(--primary);color:#FFFFFF;border-color:var(--primary);}
.btn-light{
  background:#FFFFFF;
  color:var(--primary);
  border-color:#FFFFFF;
}
.btn-light:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  border-bottom:2px solid transparent;
  transition:border-color .2s ease;
}
.text-link:hover{border-bottom-color:var(--accent);}
/* ---------- Badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  font-size:13px;
  letter-spacing:.02em;
  font-weight:600;
  background:var(--accent);
  color:var(--primary);
}
.badge-outline{
  background:transparent;
  color:var(--primary);
  border:1px solid rgba(14,59,46,.28);
}
.badge-dark{
  background:rgba(200,240,75,.16);
  color:var(--accent);
  border:1px solid rgba(200,240,75,.32);
}
/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:center;
  background-color:#EFEFE9;
  background-image:linear-gradient(rgba(246,245,240,.92),rgba(246,245,240,.88)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(to right,rgba(14,59,46,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(14,59,46,.05) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 60px;}
.hero h1{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  color:var(--primary);
  letter-spacing:-.01em;
  margin-top:16px;
}
.hero h1 .h1-sub{color:#2C6B57;}
.hero-sub{
  margin-top:16px;
  font-size:18px;
  color:var(--muted);
  max-width:720px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-line{
  width:56px;height:3px;background:var(--accent);border-radius:2px;margin-top:32px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-top:14px;
}
.breadcrumb a{border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;}
.breadcrumb a:hover{color:var(--primary);border-bottom-color:var(--accent);}
.breadcrumb .sep{color:#B9C0BA;}
.breadcrumb .current{color:var(--primary);font-weight:600;}
/* ---------- Section ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-line{border-top:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--primary);
  text-transform:none;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;border-radius:2px;background:var(--accent);
}
.section-title{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:var(--primary);
  margin-top:14px;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;}
/* ---------- Group Blocks ---------- */
.group-grid{display:flex;flex-direction:column;gap:28px;}
.group-block{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.group-block:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,46,.2);}
.group-hero{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  min-height:280px;
  display:flex;
  align-items:flex-end;
  background:var(--primary);
}
.group-hero > img.group-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease-out;
}
.group-block:hover .group-hero > img.group-bg{transform:scale(1.03);}
.group-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(8,39,32,.9) 0%,rgba(8,39,32,.72) 46%,rgba(8,39,32,.28) 100%);
}
.group-hero-text{
  position:relative;
  z-index:2;
  padding:28px 32px 30px;
  max-width:640px;
}
.group-hero-text h3{
  font-size:24px;
  line-height:1.4;
  font-weight:700;
  color:#FFFFFF;
  margin-top:14px;
}
.group-hero-text p{
  margin-top:12px;
  color:rgba(255,255,255,.86);
  font-size:15px;
}
.group-index{
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--orange);
}
.group-thumbs{
  position:absolute;
  right:24px;
  bottom:24px;
  z-index:3;
  display:flex;
  gap:12px;
}
.group-thumbs figure{
  width:118px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  border:1px solid rgba(200,240,75,.28);
  background:rgba(8,39,32,.55);
  margin:0;
}
.group-thumbs img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.group-thumbs figcaption{
  font-size:11px;
  color:rgba(255,255,255,.78);
  padding:6px 8px;
  line-height:1.4;
}
.point-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:22px;
  padding:0 4px;
}
.point-item{display:flex;gap:12px;align-items:flex-start;}
.point-mark{
  flex:0 0 auto;
  width:12px;height:12px;
  border-radius:3px;
  background:var(--accent);
  margin-top:8px;
}
.point-item h4{
  font-size:16px;
  font-weight:600;
  color:var(--primary);
  line-height:1.6;
}
.point-item p{
  margin-top:6px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}
/* ---------- Stats band ---------- */
.stats-band{
  background:var(--primary);
  color:#FFFFFF;
  padding:72px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat-item{border-left:1px solid rgba(255,255,255,.14);padding-left:20px;}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-num{
  font-size:40px;
  line-height:1.1;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.stat-label{
  margin-top:10px;
  font-size:16px;
  font-weight:600;
  color:#FFFFFF;
}
.stat-text{
  margin-top:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
}
/* ---------- Notice / quote ---------- */
.notice-card{
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-md);
  padding:24px 26px;
  box-shadow:var(--shadow-1);
  display:flex;
  gap:18px;
  align-items:flex-start;
}
.notice-icon{
  flex:0 0 auto;
  width:44px;height:44px;
  border-radius:var(--radius-sm);
  background:var(--accent-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.notice-card h3{font-size:18px;font-weight:700;color:var(--primary);}
.notice-card p{margin-top:8px;font-size:15px;color:var(--muted);}
.check-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 24px;
  margin-top:24px;
}
.check-item{
  display:flex;gap:10px;align-items:flex-start;
  background:#FBFBF8;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:14px 16px;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.check-item i{color:var(--primary);margin-top:5px;font-size:13px;}
/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;
  background:transparent;
  border:none;
  text-align:left;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 26px;
  font-size:16px;
  font-weight:600;
  color:var(--primary);
  transition:background .2s ease;
}
.faq-q:hover{background:#FBFBF8;}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 26px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
/* ---------- CTA ---------- */
.cta-band{
  background:var(--primary-dark);
  border-radius:var(--radius-lg);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  border:1px solid rgba(200,240,75,.18);
}
.cta-band h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:#FFFFFF;
}
.cta-band p{
  margin-top:12px;
  color:rgba(255,255,255,.76);
  font-size:15px;
  max-width:640px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
/* ---------- Footer ---------- */
.site-footer{
  background:var(--primary);
  color:rgba(255,255,255,.8);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-md);
  padding:22px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#FFFFFF;
  font-size:18px;
  font-weight:700;
}
.brand-dot{
  width:10px;height:10px;border-radius:999px;background:var(--accent);display:inline-block;
}
.footer-text{
  margin-top:14px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.68);
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#FFFFFF;
  margin-bottom:16px;
  padding-top:4px;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease;
}
.footer-links a i{color:var(--accent);font-size:11px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom .sep{
  display:inline-block;
  width:4px;height:4px;border-radius:999px;
  background:var(--accent);
  margin-right:8px;
  vertical-align:middle;
}
/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-panel{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .header-actions .btn{display:none;}
  .header-actions{gap:0;}
  .container{padding-left:28px;padding-right:28px;}
  .hero h1{font-size:34px;}
  .point-list{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .stat-item:nth-child(3){border-left:none;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .group-thumbs{position:static;margin-top:16px;padding:0 20px 20px;justify-content:flex-start;}
  .group-hero{display:block;}
  .group-hero::after{background:linear-gradient(180deg,rgba(8,39,32,.72) 0%,rgba(8,39,32,.86) 100%);}
  .group-hero-text{padding:24px 20px 0;max-width:none;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:60px 0;}
  .section-tight{padding:48px 0;}
  .hero-inner{padding:52px 0 48px;}
  .hero h1{font-size:30px;line-height:1.32;}
  .hero-sub{font-size:16px;}
  .section-title{font-size:24px;}
  .group-block{padding:14px;}
  .group-hero-text h3{font-size:20px;}
  .group-thumbs{gap:10px;padding:14px;}
  .group-thumbs figure{width:100px;}
  .check-list{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;gap:24px;}
  .stat-item{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;}
  .stat-item:first-child{border-top:none;padding-top:0;}
  .stat-num{font-size:34px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 20px;}
  .notice-card{flex-direction:column;gap:12px;padding:20px;}
  .drawer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:520px){
  .brand-name{font-size:17px;}
  .header-inner{min-height:68px;gap:12px;}
  .group-thumbs figure{width:88px;}
  .hero-actions .btn{width:100%;}
  .drawer-grid{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
    --primary:#0E3B2E;
    --primary-dark:#082720;
    --accent:#C8F04B;
    --accent-strong:#B7E03A;
    --sprint:#FF6A3D;
    --bg:#F6F5F0;
    --card:#FFFFFF;
    --text:#1B2320;
    --muted:#5A6763;
    --line:#E3E5DE;
    --r-lg:20px;
    --r-md:16px;
    --r-sm:12px;
    --shadow-1:0 1px 2px rgba(14,59,46,.06);
    --shadow-2:0 12px 28px rgba(14,59,46,.12);
    --gap:24px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
    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,select,textarea{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul{padding-left:0;list-style:none;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 28px;}}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--card);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;min-height:64px;}
  .brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--primary);white-space:nowrap;letter-spacing:.01em;}
  .brand-dot{width:12px;height:12px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px rgba(200,240,75,.28);flex:none;}

  .nav-panel{display:none;align-items:center;gap:8px;}
  @media (min-width:1024px){.nav-panel{display:flex;}}
  .nav-card{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 12px;border-radius:var(--r-sm);
    font-size:14px;color:var(--muted);
    border:1px solid transparent;
    transition:background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  }
  .nav-card i{font-size:13px;opacity:.85;}
  .nav-card:hover{background:#fff;color:var(--primary);border-color:var(--line);box-shadow:var(--shadow-1);}
  .nav-card.active{
    background:var(--accent);color:var(--primary);font-weight:600;
    box-shadow:inset 3px 0 0 var(--primary);
  }

  .header-actions{display:flex;align-items:center;gap:10px;}
  .header-cta{display:none;}
  @media (min-width:1024px){.header-cta{display:inline-flex;}}
  .nav-toggle{
    width:44px;height:44px;border-radius:var(--r-sm);
    border:1px solid var(--line);background:#fff;color:var(--primary);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:16px;cursor:pointer;transition:background .2s ease-out,box-shadow .2s ease-out;
  }
  .nav-toggle:hover{background:var(--bg);box-shadow:var(--shadow-1);}
  @media (min-width:1024px){.nav-toggle{display:none;}}

  .mobile-drawer{position:fixed;inset:0;z-index:90;background:rgba(8,39,32,.55);display:none;}
  .mobile-drawer.open{display:block;}
  .drawer-panel{
    background:var(--bg);height:100%;width:min(420px,88%);
    padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
    border-right:1px solid var(--line);
  }
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-close{
    width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
    background:#fff;color:var(--primary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  }
  .drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .drawer-card{
    display:flex;flex-direction:column;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
    padding:14px 12px;font-size:14px;color:var(--primary);font-weight:600;
    box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .drawer-card i{font-size:15px;color:var(--muted);}
  .drawer-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .drawer-card.active{background:var(--accent);border-color:var(--accent);}
  .drawer-card.active i{color:var(--primary);}
  .drawer-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 20px;min-height:44px;border-radius:10px;
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  }
  .btn-primary{background:var(--accent);color:var(--primary);border-color:var(--accent);}
  .btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:none;box-shadow:var(--shadow-1);}
  .btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
  .btn-ghost:hover{background:var(--primary);color:#fff;}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
  .btn-outline-light:hover{background:#fff;color:var(--primary);border-color:#fff;}
  .btn-block{width:100%;}

  /* ---------- Hero ---------- */
  .page-hero{position:relative;overflow:hidden;background:var(--primary-dark);color:#fff;padding:56px 0 64px;}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-3.png);
    background-size:cover;background-position:center;
    opacity:.34;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:rgba(8,39,32,.76);
  }
  .page-hero .container{position:relative;z-index:2;}
  .hero-grid{display:grid;gap:32px;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:40px;}}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(232,240,234,.72);margin-bottom:18px;}
  .breadcrumb a{transition:color .2s ease-out;}
  .breadcrumb a:hover{color:var(--accent);}
  .breadcrumb .sep-dot{width:4px;height:4px;border-radius:999px;background:rgba(200,240,75,.7);}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:5px 12px;border-radius:999px;font-size:13px;letter-spacing:.02em;
    background:rgba(200,240,75,.16);border:1px solid rgba(200,240,75,.4);color:var(--accent);
    margin-bottom:18px;
  }
  .hero-title{font-size:30px;line-height:1.35;font-weight:700;color:#fff;letter-spacing:.01em;}
  @media (min-width:768px){.hero-title{font-size:38px;line-height:1.28;}}
  @media (min-width:1024px){.hero-title{font-size:42px;}}
  .hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(232,240,234,.86);max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .hero-rule{width:72px;height:3px;background:var(--accent);margin-top:28px;border-radius:2px;}
  .hero-media{
    position:relative;background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);
    padding:14px;box-shadow:0 18px 40px rgba(0,0,0,.28);
  }
  .hero-media img{aspect-ratio:16/10;width:100%;object-fit:cover;border-radius:14px;}
  .hero-chip{
    position:absolute;display:inline-flex;align-items:center;gap:8px;
    background:#fff;color:var(--primary);font-size:13px;font-weight:600;
    padding:8px 12px;border-radius:999px;box-shadow:var(--shadow-2);
  }
  .hero-chip.top{top:-14px;left:18px;}
  .hero-chip.bottom{bottom:-14px;right:18px;color:var(--primary-dark);}
  .hero-chip i{color:var(--sprint);}

  /* ---------- CTA strip ---------- */
  .cta-strip{background:var(--bg);padding:32px 0 8px;}
  .cta-strip-inner{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
    background:var(--primary);border-radius:var(--r-lg);padding:26px 28px;
    box-shadow:var(--shadow-1);border:1px solid rgba(200,240,75,.18);
  }
  .cta-title{font-size:20px;font-weight:700;color:#fff;line-height:1.5;}
  .cta-text{margin-top:8px;font-size:14px;line-height:1.8;color:rgba(232,240,234,.8);max-width:620px;}

  /* ---------- Sections ---------- */
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-alt{background:#EFEEE7;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .sec-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.02em;color:var(--muted);margin-bottom:10px;
  }
  .sec-eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent);}
  .sec-title{font-size:26px;line-height:1.35;font-weight:700;color:var(--primary);}
  @media (min-width:768px){.sec-title{font-size:30px;}}
  .sec-desc{font-size:15px;line-height:1.8;color:var(--muted);max-width:620px;margin-top:12px;}

  /* ---------- Flow cards ---------- */
  .card-flow{display:grid;gap:24px;}
  .flow-row{display:grid;gap:24px;}
  @media (min-width:1024px){
    .flow-row{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}
    .flow-row.is-alt{grid-template-columns:minmax(0,5fr) minmax(0,7fr);}
    .flow-row.is-alt .flow-media{order:2;}
  }
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    padding:22px;box-shadow:var(--shadow-1);
    display:flex;flex-direction:column;gap:14px;
    transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  }
  @media (min-width:768px){.card{padding:24px;}}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,46,.2);}
  .img-wrap{overflow:hidden;border-radius:var(--r-sm);}
  .img-wrap img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-sm);transition:transform .2s ease-out;}
  .card:hover .img-wrap img{transform:scale(1.03);}
  .badge{
    display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
    padding:4px 10px;border-radius:999px;font-size:13px;letter-spacing:.02em;
    background:var(--accent);color:var(--primary);font-weight:600;
  }
  .badge-outline{background:transparent;border:1px solid var(--primary);color:var(--primary);}
  .badge-soft{background:rgba(200,240,75,.22);color:var(--primary);}
  .card-title{font-size:20px;line-height:1.5;font-weight:600;color:var(--primary);}
  .card-text{font-size:15px;line-height:1.8;color:var(--muted);}
  .card-link{
    display:inline-flex;align-items:center;gap:8px;margin-top:auto;
    font-size:14px;font-weight:600;color:var(--primary);
    padding-top:6px;transition:color .2s ease-out;
  }
  .card-link i{transition:transform .2s ease-out;}
  .card-link:hover{color:var(--primary-dark);}
  .card-link:hover i{transform:translateX(4px);}
  .dot-list{display:grid;gap:10px;}
  .dot-list li{
    display:flex;gap:10px;font-size:15px;line-height:1.8;color:var(--text);
  }
  .dot-list li::before{
    content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--accent);margin-top:11px;
  }
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
  .meta-row .divider{width:1px;height:12px;background:var(--line);}
  .num-tag{font-variant-numeric:tabular-nums;font-weight:700;color:var(--sprint);}

  /* ---------- Steps ---------- */
  .steps{display:grid;gap:20px;}
  @media (min-width:768px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .step{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:22px;box-shadow:var(--shadow-1);
    transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,46,.2);}
  .step-num{
    width:36px;height:36px;border-radius:999px;background:var(--accent);color:var(--primary);
    display:grid;place-items:center;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
  }
  .step-title{font-size:17px;font-weight:600;color:var(--primary);margin-bottom:8px;}
  .step-text{font-size:14px;line-height:1.8;color:var(--muted);}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px;max-width:900px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
  .faq-item:hover{border-color:rgba(14,59,46,.2);box-shadow:var(--shadow-1);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:600;color:var(--primary);line-height:1.6;min-height:44px;
  }
  .faq-icon{
    flex:none;width:26px;height:26px;border-radius:999px;background:var(--accent);color:var(--primary);
    display:grid;place-items:center;font-size:14px;font-weight:700;line-height:1;
    transition:transform .25s ease-out;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
  .faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ---------- Contact ---------- */
  .contact-grid{display:grid;gap:24px;}
  @media (min-width:1024px){.contact-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}}
  .form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1);}
  @media (min-width:768px){.form-card{padding:30px;}}
  .form-grid{display:grid;gap:16px;}
  @media (min-width:768px){.form-grid.two{grid-template-columns:repeat(2,minmax(0,1fr));}}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field label{font-size:14px;font-weight:600;color:var(--primary);}
  .field input,.field select,.field textarea{
    width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
    background:#fff;color:var(--text);font-size:15px;line-height:1.6;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .field textarea{min-height:118px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,240,75,.35);
  }
  .field .hint{font-size:13px;line-height:1.7;color:var(--muted);}
  .info-card{
    background:var(--primary);color:#E8F0EA;border:1px solid rgba(200,240,75,.18);
    border-radius:var(--r-lg);padding:26px;display:flex;flex-direction:column;gap:16px;
  }
  .info-card h3{font-size:19px;font-weight:700;color:#fff;}
  .info-card p{font-size:14.5px;line-height:1.85;color:rgba(232,240,234,.82);}
  .info-list{display:grid;gap:12px;}
  .info-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.8;color:rgba(232,240,234,.86);}
  .info-list li i{color:var(--accent);margin-top:7px;font-size:12px;}
  .info-card img{border-radius:var(--r-sm);aspect-ratio:16/9;object-fit:cover;width:100%;border:1px solid rgba(255,255,255,.12);}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--primary);color:#E8F0EA;padding:64px 0 26px;margin-top:72px;}
  .footer-grid{display:grid;gap:28px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .footer-card{
    background:rgba(255,255,255,.05);border:1px solid rgba(200,240,75,.18);
    border-radius:var(--r-md);padding:20px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:10px;}
  .footer-brand .brand-dot{box-shadow:0 0 0 4px rgba(200,240,75,.18);}
  .footer-text{font-size:14px;line-height:1.8;color:rgba(232,240,234,.78);}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-links a{
    display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(232,240,234,.8);
    padding:6px 0;transition:color .2s ease-out,transform .2s ease-out;
  }
  .footer-links a i{font-size:12px;color:rgba(200,240,75,.7);}
  .footer-links a:hover{color:var(--accent);transform:translateX(3px);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    font-size:13px;color:rgba(232,240,234,.7);
  }
  .sep{display:inline-block;width:1px;height:12px;background:rgba(255,255,255,.25);margin-right:10px;vertical-align:middle;}