/* roulang page: index */
:root{
  --c-brand:#0F3D2E;
  --c-brand-deep:#0A2A20;
  --c-accent:#C9F24C;
  --c-accent-ink:#16201B;
  --c-warn:#D9633C;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEEBE2;
  --c-ink:#16201B;
  --c-ink-2:#5B6660;
  --c-ink-3:#8A938E;
  --c-line:#DCD8CD;
  --c-line-2:#E3DFD3;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(15,61,46,.05);
  --sh-2:0 12px 28px rgba(15,61,46,.12);
  --sh-nav:0 2px 12px rgba(15,61,46,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,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{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
section[id]{scroll-margin-top:96px;}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.wrap{padding:0 32px;}}
@media(min-width:1024px){.wrap{padding:0 48px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:0 1px 2px rgba(15,61,46,.10);}
.btn-primary:hover{background:#B9E63C;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,61,46,.18);}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(15,61,46,.10);}
.btn-outline{border-color:var(--c-brand);color:var(--c-brand);background:transparent;}
.btn-outline:hover{background:rgba(15,61,46,.08);transform:translateY(-1px);}
.btn-dark{background:var(--c-brand);color:#fff;}
.btn-dark:hover{background:var(--c-brand-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,61,46,.20);}
.btn-white{background:#fff;color:var(--c-brand);}
.btn-white:hover{background:#F2F7E0;transform:translateY(-1px);}
.btn-sm{padding:8px 18px;font-size:15px;min-height:44px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,
input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:8px;
}

/* ---------- 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.05em;white-space:nowrap;
}
.pill-accent{background:var(--c-accent);color:var(--c-accent-ink);}
.pill-soft{background:rgba(15,61,46,.10);color:var(--c-brand);}
.pill-warn{background:rgba(217,99,60,.14);color:#B14A28;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap;}
@media(min-width:1024px){.logo-text{font-size:19px;}}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;padding:10px 2px;font-size:15px;font-weight:500;color:#3C4741;
  transition:color .25s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--c-accent);border-radius:2px;transition:width .25s ease;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-brand);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-brand);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
@media(max-width:1023px){
  .main-nav{display:none;}
  .header-cta .btn{display:none;}
  .nav-toggle{display:inline-flex;}
}
/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:16px 20px 28px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid var(--c-line);}
.drawer-close{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;font-size:22px;line-height:1;color:var(--c-ink);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:17px;font-weight:500;
  color:var(--c-ink);border-bottom:1px solid var(--c-line-2);
}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:700;}
.drawer-cta{margin-top:20px;width:100%;}
@media(min-width:1024px){.mobile-drawer{display:none;}}

/* ---------- Hero ---------- */
.hero{position:relative;padding:48px 0 0;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(15,61,46,.55) 1px, transparent 1px);
  background-size:24px 24px;opacity:.06;
}
.hero-grid{position:relative;display:grid;gap:36px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px;}}
.hero-copy .pill{margin-bottom:20px;}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  color:var(--c-ink);
}
.hero-sub{
  margin-top:18px;font-size:18px;line-height:1.75;font-weight:400;
  color:var(--c-ink-2);max-width:620px;
}
@media(min-width:1024px){.hero-sub{font-size:19px;}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
@media(max-width:519px){
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}
.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(15,61,46,.16);
}
.hero-float{
  position:absolute;right:20px;bottom:20px;
  background:#fff;border-radius:14px;padding:14px 20px;
  box-shadow:0 12px 28px rgba(15,61,46,.18);
  display:flex;flex-direction:column;gap:0;min-width:136px;
}
.hero-float strong{
  font-size:30px;font-weight:800;line-height:1.1;color:var(--c-brand);
  font-variant-numeric:tabular-nums;
}
.hero-float span{font-size:13px;color:var(--c-ink-2);}
@media(max-width:639px){
  .hero-float{left:16px;right:auto;bottom:16px;}
}
.hero-stats{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  margin-top:48px;border-top:1px solid var(--c-line);
}
@media(min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr);}}
.hero-stat{padding:20px 0 4px;border-left:1px solid var(--c-line);padding-left:20px;}
.hero-stat:first-child{border-left:none;padding-left:0;}
@media(max-width:767px){
  .hero-stat{border-left:none;padding-left:0;}
  .hero-stat:first-child,.hero-stat:nth-child(2){padding-top:20px;}
  .hero-stat:nth-child(n+3){border-top:1px solid var(--c-line-2);}
}
.hero-stat b{
  display:block;font-size:24px;font-weight:800;color:var(--c-brand);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.hero-stat span{font-size:13px;color:var(--c-ink-2);}

/* ---------- 板块 ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--c-bg-alt);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:36px;
}
@media(min-width:768px){.section-head{margin-bottom:44px;}}
.section-title{
  position:relative;padding-left:16px;
  font-size:28px;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--c-ink);
}
@media(min-width:768px){.section-title{font-size:33px;}}
.section-title::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:20px;
  background:var(--c-accent);border-radius:2px;
}
.section-desc{margin-top:12px;font-size:16px;color:var(--c-ink-2);max-width:660px;padding-left:16px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-brand);
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:10px;color:var(--c-brand-deep);}

/* ---------- 服务卡片 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.service-card{grid-column:span 6;}
.service-card--sm{grid-column:span 4;}
@media(max-width:1023px){.service-card,.service-card--sm{grid-column:span 6;}}
@media(max-width:639px){.service-card,.service-card--sm{grid-column:span 12;}}
.card{
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{border-color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-2);}
.card-icon{
  width:44px;height:44px;border-radius:12px;margin-bottom:18px;
  background:rgba(15,61,46,.09);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
}
.card-title{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:8px;}
.card-text{font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.card-foot{margin-top:18px;}

/* ---------- 数据条 ---------- */
.stat-band{
  position:relative;overflow:hidden;
  background:var(--c-brand);border-radius:24px;
  padding:40px 24px;display:grid;grid-template-columns:repeat(2,1fr);
  gap:28px 0;
}
@media(min-width:768px){.stat-band{grid-template-columns:repeat(4,1fr);padding:52px 40px;gap:0;}}
.stat-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px, transparent 1px);
  background-size:24px 24px;opacity:.06;
}
.stat-item{position:relative;padding-left:20px;border-left:1px solid rgba(255,255,255,.14);}
.stat-item:first-child{border-left:none;padding-left:0;}
@media(max-width:767px){
  .stat-item:nth-child(odd){border-left:none;padding-left:0;}
}
.stat-num{
  font-size:40px;font-weight:800;line-height:1.1;color:var(--c-accent);
  font-variant-numeric:tabular-nums;
}
@media(min-width:768px){.stat-num{font-size:48px;}}
.stat-num small{font-size:18px;font-weight:700;}
.stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);}

/* ---------- 案例 ---------- */
.case-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media(min-width:768px){.case-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.case-grid{grid-template-columns:repeat(3,1fr);}}
.case-card{position:relative;display:block;border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,42,32,.94) 0%,rgba(10,42,32,.58) 45%,rgba(10,42,32,.05) 100%);
  transition:background .3s ease;
}
.case-card:hover img{transform:scale(1.03);}
.case-card:hover::after{background:linear-gradient(to top,rgba(10,42,32,.98) 0%,rgba(10,42,32,.70) 50%,rgba(10,42,32,.15) 100%);}
.case-body{position:absolute;left:0;right:0;bottom:0;padding:24px;z-index:2;color:#fff;}
.case-body h3{font-size:18px;font-weight:700;margin-top:10px;line-height:1.45;}
.case-body p{margin-top:6px;font-size:13px;color:rgba(255,255,255,.80);}

/* ---------- 方案交替 ---------- */
.plan-row{display:grid;gap:28px;align-items:center;}
@media(min-width:1024px){.plan-row{grid-template-columns:1fr 1fr;gap:64px;}}
.plan-row + .plan-row{margin-top:48px;}
@media(min-width:768px){.plan-row + .plan-row{margin-top:72px;}}
@media(min-width:1024px){.plan-row--rev .plan-media{order:-1;}}
.plan-media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 16px 36px rgba(15,61,46,.12);
}
.plan-index{
  font-size:14px;font-weight:700;letter-spacing:.08em;color:#7EAE18;
  font-variant-numeric:tabular-nums;
}
.plan-title{margin-top:10px;font-size:23px;font-weight:700;line-height:1.4;}
@media(min-width:768px){.plan-title{font-size:25px;}}
.plan-text{margin-top:12px;font-size:16px;line-height:1.9;color:var(--c-ink-2);}
.plan-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.plan-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.plan-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 2px rgba(15,61,46,.08);
}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.news-card:hover .news-title{color:var(--c-brand);}
.news-title{
  font-size:17px;font-weight:700;line-height:1.55;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-excerpt{
  margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line-2);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-3);
}
.news-meta .badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--c-accent);color:var(--c-accent-ink);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.news-more{margin-left:auto;color:var(--c-brand);font-weight:600;white-space:nowrap;}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;padding:48px 24px;background:var(--c-bg-alt);border-radius:var(--r-card);
  text-align:center;
}
.empty-state svg{color:var(--c-ink-3);}
.empty-state p{font-size:16px;font-weight:600;color:var(--c-ink);}
.empty-state span{font-size:14px;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line-2);border-radius:12px;
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:var(--c-brand);box-shadow:var(--sh-1);}
.faq-q{
  position:relative;list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--c-ink);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--c-accent);border-radius:2px;opacity:0;transition:opacity .2s ease;
}
.faq-item[open] .faq-q::before{opacity:1;}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .25s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:background .25s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:#7EAE18;}
.faq-a{
  margin:0 24px;padding:16px 0 20px;border-top:1px solid var(--c-line-2);
  font-size:15px;line-height:1.85;color:var(--c-ink-2);
}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;gap:32px;}
@media(min-width:1024px){.contact-grid{grid-template-columns:1fr 1fr;gap:56px;}}
.form-card{
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
@media(min-width:768px){.form-card{padding:36px;}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;font-weight:600;color:var(--c-ink);}
.req{color:var(--c-warn);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-family:inherit;font-size:15px;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,61,46,.12);
}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3);}
.form-hint{font-size:13px;color:var(--c-ink-3);margin-top:4px;}
.info-list{display:flex;flex-direction:column;gap:18px;}
.info-item{display:flex;gap:14px;align-items:flex-start;}
.info-icon{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;
  background:rgba(15,61,46,.09);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
}
.info-item b{display:block;font-size:15px;font-weight:700;color:var(--c-ink);}
.info-item span{font-size:14px;color:var(--c-ink-2);}
.map-box{
  margin-top:24px;height:200px;border-radius:var(--r-card);
  background:var(--c-bg-alt);border:1px solid var(--c-line-2);
  background-image:linear-gradient(rgba(15,61,46,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,61,46,.06) 1px,transparent 1px);
  background-size:28px 28px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);font-size:14px;gap:8px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-brand);border-radius:20px;
  padding:36px 28px;display:flex;flex-direction:column;gap:22px;
}
@media(min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:24px 24px;opacity:.06;
}
.cta-band h2{position:relative;font-size:24px;font-weight:800;color:#fff;line-height:1.4;}
.cta-band p{position:relative;margin-top:8px;font-size:15px;color:rgba(255,255,255,.76);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-deep);color:#fff;margin-top:0;padding-top:56px;}
@media(min-width:768px){.site-footer{padding-top:72px;}}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.10);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social span{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);
  font-size:13px;font-weight:600;
}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.70);
  transition:color .2s ease,transform .2s ease;display:inline-block;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.70);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:var(--c-accent);}

/* roulang page: article */
:root{
  --c-brand:#0F3D2E;
  --c-brand-deep:#0A2A20;
  --c-accent:#C9F24C;
  --c-accent-ink:#16201B;
  --c-warn:#D9633C;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEEBE2;
  --c-ink:#16201B;
  --c-ink-2:#5B6660;
  --c-ink-3:#8A938E;
  --c-line:#DCD8CD;
  --c-line-2:#E3DFD3;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(15,61,46,.05);
  --sh-2:0 12px 28px rgba(15,61,46,.12);
  --sh-nav:0 2px 12px rgba(15,61,46,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}
@media(min-width:1024px){.wrap{padding:0 48px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line-2);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav)}
.header-inner{height:72px;display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-brand);
  display:grid;place-items:center;flex-shrink:0;
}
.logo-text{font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--c-brand);white-space:nowrap}
.main-nav{display:none;align-items:center;gap:4px;margin-left:8px}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-link{
  position:relative;padding:8px 10px;font-size:15px;font-weight:500;
  color:#3C463F;border-radius:8px;transition:color .25s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-brand);font-weight:700}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:inline-flex;width:44px;height:44px;border:1px solid var(--c-line-2);
  border-radius:10px;background:#fff;align-items:center;justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--c-brand);background:#FAF9F5}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-brand);border-radius:2px;position:relative;transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand);
  border-radius:2px;transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media(min-width:1024px){.nav-toggle{display:none}}
@media(max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;margin-left:0;
    display:flex;flex-direction:column;gap:0;padding:8px 20px 40px;
    background:#fff;overflow-y:auto;
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity .25s ease,transform .25s ease;
  }
  .main-nav.is-open{opacity:1;pointer-events:auto;transform:none}
  .nav-link{
    font-size:17px;font-weight:600;line-height:56px;padding:0;border-radius:0;
    border-bottom:1px solid var(--c-line-2);
  }
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--c-brand)}
  .header-cta .btn-outline{display:none}
  html body.nav-open{overflow:hidden}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;line-height:1.2;
  padding:12px 22px;border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;min-height:44px;
}
.btn-primary{background:var(--c-accent);color:var(--c-brand-deep);box-shadow:0 4px 14px rgba(201,242,76,.35)}
.btn-primary:hover{background:#B9E63C;transform:translateY(-1px);box-shadow:0 8px 22px rgba(201,242,76,.45)}
.btn-primary:active{transform:none;box-shadow:0 3px 10px rgba(201,242,76,.35)}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:rgba(15,61,46,.08)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-brand)}
.link-arrow .arw{transition:transform .2s ease}
.link-arrow:hover .arw{transform:translateX(3px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:32px 0 0;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F5F0 100%);
  border-bottom:1px solid var(--c-line-2);
}
.article-hero::after{
  content:"";position:absolute;right:-100px;top:-90px;width:340px;height:340px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 35% 35%,rgba(201,242,76,.38),rgba(201,242,76,0) 70%);
}
.article-hero .wrap{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--c-ink-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{opacity:.55;font-size:13px}
.breadcrumb .current{color:var(--c-ink);font-weight:600}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-accent);color:var(--c-brand-deep);
  font-size:12px;font-weight:700;letter-spacing:.05em;white-space:nowrap;
}
.article-title{
  font-size:clamp(26px,3.4vw,36px);line-height:1.35;font-weight:800;
  letter-spacing:-.01em;max-width:820px;margin:16px 0 0;color:var(--c-ink);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:14px;color:var(--c-ink-3);
  margin-top:18px;padding-bottom:30px;
}
.meta-row .divider{width:1px;height:12px;background:var(--c-line);display:inline-block}
.meta-row strong{color:var(--c-ink-2);font-weight:600}

/* ---------- 正文 ---------- */
.article-shell{padding:44px 0 56px}
.article-body{
  max-width:820px;margin:0 auto;
  font-size:17px;line-height:1.9;color:#2A322D;
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:23px;line-height:1.45;font-weight:700;
  color:var(--c-ink);margin:36px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:1.05em;
  border-radius:2px;background:var(--c-accent);
}
.article-body h3{font-size:18.5px;line-height:1.55;font-weight:700;color:var(--c-ink);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--c-ink);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px;line-height:1.9}
.article-body li::marker{color:var(--c-brand)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-bg-alt);
  border-left:4px solid var(--c-accent);border-radius:0 12px 12px 0;
  font-size:16px;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:10px}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#0B2E22}
.article-body strong{color:var(--c-ink);font-weight:700}
.article-body hr{border:none;border-top:1px solid var(--c-line-2);margin:32px 0}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  border:1px solid var(--c-line-2);font-size:15px;
}
.article-body thead th{background:#E9F2E9;font-weight:700;text-align:left;color:var(--c-ink)}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--c-line-2);vertical-align:top}
.article-body tbody tr:nth-child(odd){background:#FFFFFF}
.article-body tbody tr:nth-child(even){background:#F6F4EF}
.article-body pre{
  background:var(--c-brand-deep);color:#E8EFE9;padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.75;margin:24px 0;
}
@media(max-width:767px){
  .article-shell{padding:32px 0 44px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:20px;margin:30px 0 14px}
  .article-body h3{font-size:17.5px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:820px;margin:0 auto;padding:56px 24px;text-align:center;
  background:var(--c-bg-alt);border-radius:var(--r-card);
  border:1px dashed var(--c-line);
}
.empty-icon{
  width:56px;height:56px;border-radius:16px;background:#fff;
  display:grid;place-items:center;margin:0 auto 18px;color:var(--c-brand);
  box-shadow:var(--sh-1);
}
.empty-state h2{font-size:20px;font-weight:800;color:var(--c-ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--c-ink-2);max-width:480px;margin:0 auto 24px;line-height:1.85}

/* ---------- 相关内容 ---------- */
.related-section{padding:0 0 72px}
.related-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:22px;padding-left:14px;position:relative;
}
.related-head::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--c-accent);
}
.related-head h2{font-size:22px;font-weight:800;letter-spacing:-.01em}
.related-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.rel-card{
  display:block;background:#fff;border:1px solid var(--c-line-2);
  border-radius:var(--r-card);overflow:hidden;padding-bottom:18px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  box-shadow:var(--sh-1);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.rel-media{aspect-ratio:4/3;overflow:hidden;background:var(--c-bg-alt)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-card h3{
  font-size:16px;font-weight:700;line-height:1.55;margin:16px 18px 8px;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-card:hover h3{color:var(--c-brand)}
.rel-meta{margin:0 18px;font-size:13px;color:var(--c-ink-3)}
.article-back{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line-2);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-deep);color:rgba(255,255,255,.72);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:42px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:#154436}
.footer-desc{font-size:14px;line-height:1.85;margin:16px 0 18px;color:rgba(255,255,255,.66);max-width:320px}
.footer-social{display:flex;gap:10px}
.footer-social span{
  width:34px;height:34px;border-radius:9px;border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;font-size:13px;color:rgba(255,255,255,.7);
  transition:border-color .2s ease,color .2s ease;
}
.footer-social span:hover{border-color:var(--c-accent);color:var(--c-accent)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.7);
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.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,.55);
}
.footer-bottom a{color:rgba(255,255,255,.75);transition:color .2s ease}
.footer-bottom a:hover{color:var(--c-accent)}

@media(max-width:479px){
  .header-inner{gap:10px}
  .logo-text{font-size:15px}
  .logo-mark{width:30px;height:30px;border-radius:8px}
  .btn-sm{padding:8px 14px;font-size:13px}
  .related-head h2{font-size:19px}
}

/* roulang page: category1 */
:root{
    --c-brand:#0F3D2E;
    --c-brand-deep:#0A2A20;
    --c-accent:#C9F24C;
    --c-accent-hover:#B9E63C;
    --c-accent-ink:#16201B;
    --c-warn:#D9633C;
    --c-bg:#F7F5F0;
    --c-bg-alt:#EEEBE2;
    --c-ink:#16201B;
    --c-ink-2:#5B6660;
    --c-ink-3:#8A938E;
    --c-line:#DCD8CD;
    --c-line-2:#E3DFD3;
    --r-btn:10px;
    --r-card:16px;
    --r-lg:22px;
    --sh-1:0 1px 2px rgba(15,61,46,.05);
    --sh-2:0 12px 28px rgba(15,61,46,.12);
    --sh-nav:0 2px 12px rgba(15,61,46,.08);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:-0.01em;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  .wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 48px;}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--c-accent);
    outline-offset:2px;
    border-radius:6px;
  }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--c-line-2);
    transition:box-shadow .25s ease,background .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-nav);}
  .header-inner{
    display:flex;align-items:center;gap:20px;
    height:72px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;
    background:var(--c-brand);
    display:grid;place-items:center;
    flex-shrink:0;
  }
  .logo-text{
    font-weight:800;font-size:18px;line-height:1.2;
    color:var(--c-brand-deep);
    letter-spacing:-0.01em;
    white-space:nowrap;
  }
  .main-nav{
    display:flex;align-items:center;gap:2px;
    margin-left:auto;
  }
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    padding:9px 13px;
    font-size:15px;font-weight:500;
    color:#3C4742;
    border-radius:8px;
    transition:color .2s ease,background .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;left:13px;right:13px;bottom:2px;
    height:2px;border-radius:2px;
    background:var(--c-accent);
    transform:scaleX(0);transform-origin:left center;
    transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--c-brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--c-brand);font-weight:700;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .header-cta{display:flex;align-items:center;gap:10px;margin-left:12px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:16px;font-weight:700;line-height:1;
    padding:14px 26px;
    border-radius:var(--r-btn);
    border:1.5px solid transparent;
    cursor:pointer;
    transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:0 6px 16px rgba(201,242,76,.28);}
  .btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,242,76,.36);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
  .btn-outline:hover{background:rgba(15,61,46,.07);transform:translateY(-1px);}
  .btn-dark{background:var(--c-brand);color:#fff;}
  .btn-dark:hover{background:var(--c-brand-deep);transform:translateY(-1px);}
  .btn-sm{font-size:14px;padding:10px 18px;}
  .btn-lg{font-size:16px;padding:15px 30px;}
  .btn-block{width:100%;}

  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;
    border:1px solid var(--c-line);border-radius:10px;
    background:#fff;cursor:pointer;padding:0;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--c-brand);position:relative;border-radius:2px;transition:background .2s ease;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand);border-radius:2px;transition:transform .25s ease,top .25s ease;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  body.nav-open .nav-toggle span{background:transparent;}
  body.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
  body.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}

  /* ---------- page head ---------- */
  .page-head{
    position:relative;
    padding:26px 0 46px;
    background:var(--c-bg-alt);
    border-bottom:1px solid var(--c-line-2);
    overflow:hidden;
  }
  .page-head::before{
    content:"";
    position:absolute;inset:0;
    background-image:radial-gradient(rgba(15,61,46,.16) 1px,transparent 1px);
    background-size:24px 24px;
    opacity:.32;
    pointer-events:none;
  }
  .page-head .wrap{position:relative;}
  .crumb{
    display:flex;align-items:center;gap:8px;
    font-size:14px;color:var(--c-ink-3);
    margin-bottom:22px;flex-wrap:wrap;
  }
  .crumb a{color:var(--c-ink-2);transition:color .2s ease;}
  .crumb a:hover{color:var(--c-brand);}
  .crumb .sep{opacity:.55;}
  .crumb .current{color:var(--c-ink);font-weight:600;}
  .page-head-grid{
    display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:center;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:600;letter-spacing:.05em;
    color:var(--c-brand);
    background:rgba(201,242,76,.42);
    border:1px solid rgba(15,61,46,.12);
    border-radius:999px;
    padding:5px 14px;
    margin-bottom:16px;
  }
  .page-head h1{
    font-size:clamp(30px,3.6vw,42px);
    line-height:1.24;
    font-weight:800;
    color:var(--c-brand-deep);
    letter-spacing:-0.01em;
  }
  .page-head .lead{
    margin-top:16px;
    font-size:17px;
    line-height:1.9;
    color:var(--c-ink-2);
    max-width:640px;
  }
  .page-head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .page-head-media{
    border-radius:20px;overflow:hidden;
    box-shadow:var(--sh-2);
    aspect-ratio:16/10;
    background:var(--c-brand);
  }
  .page-head-media img{width:100%;height:100%;object-fit:cover;}

  .stat-row{
    display:grid;grid-template-columns:repeat(4,1fr);
    margin-top:38px;padding-top:24px;
    border-top:1px solid rgba(15,61,46,.16);
    gap:16px;
  }
  .stat{display:flex;flex-direction:column;gap:2px;}
  .stat b{
    font-size:clamp(24px,2.6vw,32px);
    font-weight:800;line-height:1.1;
    color:var(--c-brand);
    font-variant-numeric:tabular-nums;
  }
  .stat b small{font-size:14px;font-weight:700;margin-left:2px;}
  .stat span{font-size:13px;color:var(--c-ink-2);}

  /* ---------- sections ---------- */
  .section{padding:78px 0;}
  .section-alt{background:var(--c-bg);}
  .section-sand{background:var(--c-bg-alt);}
  .sec-head{max-width:760px;margin-bottom:34px;}
  .sec-title{
    position:relative;
    padding-left:16px;
    font-size:clamp(24px,2.6vw,32px);
    font-weight:800;line-height:1.3;
    color:var(--c-brand-deep);
  }
  .sec-title::before{
    content:"";position:absolute;left:0;top:.32em;
    width:4px;height:20px;border-radius:2px;background:var(--c-accent);
  }
  .sec-sub{margin-top:12px;font-size:16px;color:var(--c-ink-2);line-height:1.9;}

  .intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
  .intro-text p{font-size:16.5px;line-height:1.95;color:var(--c-ink-2);margin-bottom:18px;}
  .intro-text p:last-child{margin-bottom:0;}
  .intro-text strong{color:var(--c-brand);font-weight:700;}
  .intro-media{
    border-radius:18px;overflow:hidden;aspect-ratio:5/4;
    box-shadow:var(--sh-1);border:1px solid var(--c-line-2);
  }
  .intro-media img{width:100%;height:100%;object-fit:cover;}

  .facility-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
  .fcard{
    background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
    overflow:hidden;display:flex;flex-direction:column;
    box-shadow:var(--sh-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .fcard:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,61,46,.35);}
  .fcard-img{aspect-ratio:4/3;overflow:hidden;background:var(--c-bg-alt);}
  .fcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .fcard:hover .fcard-img img{transform:scale(1.04);}
  .fcard-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .fcard-body h3{font-size:18px;font-weight:700;color:var(--c-brand-deep);}
  .fcard-body p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);flex:1;}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{
    display:inline-flex;align-items:center;
    height:24px;padding:0 12px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;
    background:var(--c-accent);color:var(--c-accent-ink);
    white-space:nowrap;
  }
  .tag-soft{background:rgba(15,61,46,.09);color:var(--c-brand);}
  .tag-warn{background:rgba(217,99,60,.14);color:#A8452A;}

  .svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .svc{
    background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .svc:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,61,46,.3);}
  .svc-ico{
    width:42px;height:42px;border-radius:12px;
    background:rgba(201,242,76,.34);
    display:grid;place-items:center;
    color:var(--c-brand);margin-bottom:14px;
  }
  .svc h3{font-size:17px;font-weight:700;color:var(--c-brand-deep);margin-bottom:8px;}
  .svc p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);}

  .steps{
    display:grid;grid-template-columns:repeat(3,1fr);gap:0;
    background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--sh-1);
  }
  .step{
    position:relative;padding:32px 28px 34px;
  }
  .step + .step{border-left:1px solid var(--c-line-2);}
  .step-num{
    font-size:30px;font-weight:800;line-height:1;
    color:var(--c-brand);letter-spacing:-0.02em;
    font-variant-numeric:tabular-nums;
    margin-bottom:14px;
  }
  .step-num::after{
    content:"";display:block;width:34px;height:3px;border-radius:2px;
    background:var(--c-accent);margin-top:12px;
  }
  .step h3{font-size:18px;font-weight:700;color:var(--c-brand-deep);margin-bottom:8px;}
  .step p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);}

  .faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
  .faq details{
    background:#fff;border:1px solid var(--c-line-2);
    border-radius:12px;padding:0 24px;
    transition:border-color .22s ease,box-shadow .22s ease;
  }
  .faq details:hover{border-color:rgba(15,61,46,.3);}
  .faq details[open]{
    border-color:rgba(15,61,46,.35);
    box-shadow:inset 3px 0 0 var(--c-accent),0 6px 18px rgba(15,61,46,.06);
  }
  .faq summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 0;
    font-size:16px;font-weight:600;color:var(--c-ink);
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary::after{
    content:"+";
    font-size:22px;font-weight:400;line-height:1;
    color:var(--c-brand);
    flex-shrink:0;
    transition:transform .25s ease,color .25s ease;
  }
  .faq details[open] summary::after{transform:rotate(45deg);color:var(--c-warn);}
  .faq .answer{
    padding:14px 0 20px;
    border-top:1px solid var(--c-line-2);
    font-size:15px;line-height:1.9;color:var(--c-ink-2);
  }

  .cta-bar{
    position:relative;overflow:hidden;
    background:var(--c-brand);
    border-radius:20px;
    padding:44px 48px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    color:#fff;
  }
  .cta-bar::before{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
    background-size:24px 24px;opacity:.07;pointer-events:none;
  }
  .cta-bar > *{position:relative;}
  .cta-bar h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;line-height:1.35;letter-spacing:-0.01em;}
  .cta-bar p{margin-top:10px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);max-width:620px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}
  .cta-bar .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;}
  .cta-bar .btn-outline:hover{background:rgba(255,255,255,.12);}

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--c-brand-deep);
    color:rgba(255,255,255,.72);
    padding:64px 0 26px;
  }
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
  .site-footer .logo-text{color:#fff;}
  .site-footer .logo-mark{background:rgba(255,255,255,.1);}
  .footer-desc{margin:16px 0 20px;font-size:14px;line-height:1.9;max-width:330px;color:rgba(255,255,255,.66);}
  .footer-social{display:flex;gap:8px;}
  .footer-social span{
    width:32px;height:32px;border-radius:8px;
    border:1px solid rgba(255,255,255,.18);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:12px;color:rgba(255,255,255,.7);
  }
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-links li{margin-bottom:10px;}
  .footer-links a{
    display:inline-block;font-size:14px;color:rgba(255,255,255,.7);
    transition:color .2s ease,transform .2s ease;
  }
  .footer-links a:hover{color:#fff;transform:translateX(2px);}
  .footer-contact span{display:block;font-size:14px;line-height:2;color:rgba(255,255,255,.7);}
  .footer-bottom{
    margin-top:40px;padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .footer-bottom a{color:rgba(255,255,255,.78);transition:color .2s ease;}
  .footer-bottom a:hover{color:#fff;}

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .wrap{padding:0 32px;}
    .nav-toggle{display:flex;}
    .header-cta .btn-outline{display:none;}
    .main-nav{
      position:fixed;top:72px;left:0;right:0;bottom:0;
      margin:0;
      background:#fff;
      flex-direction:column;align-items:stretch;gap:0;
      padding:12px 24px 40px;
      overflow-y:auto;
      transform:translateY(-10px);
      opacity:0;visibility:hidden;
      transition:transform .25s ease,opacity .25s ease,visibility .25s ease;
      box-shadow:0 20px 30px rgba(15,61,46,.1);
    }
    body.nav-open .main-nav{transform:translateY(0);opacity:1;visibility:visible;}
    .nav-link{
      min-height:56px;padding:14px 6px;
      font-size:17px;
      border-bottom:1px solid var(--c-line-2);
      border-radius:0;
    }
    .nav-link::after{display:none;}
    .nav-link.is-active{color:var(--c-brand);}
    .page-head-grid{grid-template-columns:1fr;gap:32px;}
    .page-head-media{aspect-ratio:16/9;}
    .intro-grid{grid-template-columns:1fr;gap:32px;}
    .facility-grid{grid-template-columns:repeat(2,1fr);}
    .svc-grid{grid-template-columns:repeat(2,1fr);}
    .steps{grid-template-columns:1fr;}
    .step + .step{border-left:0;border-top:1px solid var(--c-line-2);}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-bar{flex-direction:column;align-items:flex-start;padding:36px 32px;}
    .section{padding:64px 0;}
  }
  @media (max-width:767px){
    .wrap{padding:0 20px;}
    .header-inner{height:64px;gap:12px;}
    .site-header{position:sticky;}
    .main-nav{top:64px;padding:8px 20px 32px;}
    .stat-row{grid-template-columns:repeat(2,1fr);gap:20px;}
    .facility-grid{grid-template-columns:1fr;gap:16px;}
    .svc-grid{grid-template-columns:1fr;gap:16px;}
    .page-head{padding:20px 0 36px;}
    .page-head .lead{font-size:16px;}
    .page-head-actions{flex-direction:column;}
    .page-head-actions .btn{width:100%;}
    .cta-actions{width:100%;flex-direction:column;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .section{padding:52px 0;}
    .faq details{padding:0 18px;}
  }
  @media (max-width:520px){
    .logo-mark{width:30px;height:30px;border-radius:9px;}
    .logo-text{font-size:15px;}
    .btn-sm{font-size:13px;padding:9px 13px;}
    .nav-toggle{width:42px;height:42px;}
    .cta-bar{padding:28px 22px;}
  }

/* roulang page: category2 */
:root{
  --c-brand:#0F3D2E;
  --c-brand-deep:#0A2A20;
  --c-accent:#C9F24C;
  --c-accent-ink:#16201B;
  --c-accent-soft:#9BC22A;
  --c-warn:#D9633C;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEEBE2;
  --c-ink:#16201B;
  --c-ink-2:#5B6660;
  --c-ink-3:#8A938E;
  --c-line:#DCD8CD;
  --c-line-2:#E3DFD3;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(15,61,46,.05);
  --sh-2:0 12px 28px rgba(15,61,46,.12);
  --sh-nav:0 2px 12px rgba(15,61,46,.08);
  --max:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s,background-color .2s,border-color .2s,transform .2s;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 48px;}
@media (max-width:1023px){.wrap{padding:0 32px;}}
@media (max-width:640px){.wrap{padding:0 20px;}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line-2);
  transition:box-shadow .25s,background-color .25s;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);background:#fff;}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:8px 0;display:inline-block;}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--c-accent);transition:width .25s ease;border-radius:2px;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-brand);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:12px;flex:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-brand);border-radius:2px;position:relative;transition:background .2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand);border-radius:2px;transition:transform .25s;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 20px 28px;
    transform:translateX(102%);transition:transform .3s ease;
    overflow-y:auto;margin-left:0;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  .nav-link{font-size:17px;line-height:56px;height:56px;border-bottom:1px solid var(--c-line-2);}
  .nav-link::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta .btn-outline{display:none;}
}
@media (max-width:520px){
  .logo-text{font-size:16px;}
  .header-cta{gap:8px;}
  .header-cta .btn-primary{padding:0 14px;font-size:13px;}
}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;line-height:1;
  transition:background-color .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:50px;padding:0 26px;font-size:16px;}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);}
.btn-primary:hover{background:#B9E63C;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,61,46,.18);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:hover{background:rgba(15,61,46,.08);}
.btn-dark{background:var(--c-brand);color:#fff;}
.btn-dark:hover{background:var(--c-brand-deep);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:700;font-size:15px;min-height:44px;}
.btn-text .arw{transition:transform .2s;}
.btn-text:hover .arw{transform:translateX(3px);}

/* ============ breadcrumb ============ */
.crumb{padding-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{opacity:.6;}
.crumb .cur{color:var(--c-ink);}

/* ============ category hero ============ */
.cat-hero{padding:22px 0 34px;border-bottom:1px solid var(--c-line-2);}
.cat-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.kicker{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-accent);color:var(--c-accent-ink);
  font-size:12px;font-weight:700;letter-spacing:.05em;
}
.cat-hero h1{
  margin-top:16px;
  font-size:clamp(30px,4vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
}
.cat-hero .lead{
  margin-top:16px;font-size:17px;line-height:1.9;color:var(--c-ink-2);max-width:34em;
}
.hero-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:12px;
}
.hero-badge strong{font-size:22px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1;}
.hero-badge span{font-size:12px;color:var(--c-ink-2);line-height:1.4;}
@media (max-width:1023px){
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
}

/* ============ section shell ============ */
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.25;letter-spacing:-.01em;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-accent);}
.sec-sub{margin-top:10px;padding-left:16px;font-size:15px;color:var(--c-ink-2);max-width:52em;}
@media (max-width:640px){.section{padding:56px 0;}.section.tight{padding:44px 0;}}

/* ============ event list ============ */
.event-list{background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.event-item{
  display:flex;align-items:center;gap:22px;
  padding:22px 26px;border-bottom:1px solid var(--c-line-2);
  transition:background-color .2s;
}
.event-item:last-child{border-bottom:none;}
.event-item:hover{background:var(--c-bg-alt);}
.date-block{
  flex:none;width:84px;border-radius:12px;background:var(--c-brand);color:#fff;
  text-align:center;padding:10px 0;
}
.date-block .m{font-size:12px;letter-spacing:.1em;opacity:.78;line-height:1.4;}
.date-block .d{font-size:26px;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;}
.event-main{flex:1;min-width:0;}
.event-title{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.event-item:hover .event-title{color:var(--c-brand);}
.event-desc{margin-top:6px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.event-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;white-space:nowrap;
}
.pill-lime{background:var(--c-accent);color:var(--c-accent-ink);}
.pill-soft{background:rgba(15,61,46,.08);color:var(--c-brand);}
.pill-warn{background:rgba(217,99,60,.12);color:#B44A26;}
.event-link{flex:none;font-size:14px;font-weight:700;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.event-item:hover .event-link .arw{transform:translateX(3px);}
.event-link .arw{transition:transform .2s;}
@media (max-width:768px){
  .event-item{gap:14px;padding:18px 16px;flex-wrap:wrap;}
  .date-block{width:64px;padding:8px 0;}
  .date-block .d{font-size:22px;}
  .event-main{flex:1 1 100%;}
  .event-link{display:none;}
}

/* ============ type cards ============ */
.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.type-card{
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
  display:flex;flex-direction:column;
}
.type-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,61,46,.35);}
.type-icon{
  width:44px;height:44px;border-radius:50%;background:rgba(201,242,76,.45);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);margin-bottom:18px;
}
.type-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.type-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.type-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.type-foot{margin-top:auto;padding-top:18px;}
@media (max-width:768px){.type-grid{grid-template-columns:1fr;gap:16px;}.type-card{padding:22px;}}

/* ============ flow ============ */
.flow{background:var(--c-bg-alt);border-radius:24px;padding:48px;position:relative;overflow:hidden;}
.flow::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,61,46,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.16;pointer-events:none;
}
.flow-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-step{padding-right:8px;}
.flow-num{font-size:34px;font-weight:800;color:var(--c-brand);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.flow-num::after{content:"";display:block;width:32px;height:3px;background:var(--c-accent);margin-top:12px;border-radius:2px;}
.flow-step h3{margin-top:16px;font-size:17px;font-weight:700;}
.flow-step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}
@media (max-width:1023px){.flow{padding:36px 28px;}.flow-grid{grid-template-columns:repeat(2,1fr);gap:28px;}}
@media (max-width:640px){.flow{padding:28px 20px;border-radius:20px;}.flow-grid{grid-template-columns:1fr;gap:24px;}}

/* ============ review cards ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s;
}
.review-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s;}
.review-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,42,32,.92) 0%,rgba(10,42,32,.55) 42%,rgba(10,42,32,0) 72%);
  transition:opacity .25s;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.review-card:hover img{transform:scale(1.03);}
.review-card:hover::after{opacity:1;background:linear-gradient(to top,rgba(10,42,32,.96) 0%,rgba(10,42,32,.66) 46%,rgba(10,42,32,.05) 78%);}
.review-body{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;}
.review-body h3{margin-top:10px;font-size:18px;font-weight:700;color:#fff;line-height:1.45;}
.review-body p{margin-top:6px;font-size:13px;color:rgba(255,255,255,.78);line-height:1.7;}
@media (max-width:1023px){.review-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.review-grid{grid-template-columns:1fr;gap:16px;}}

/* ============ stats ============ */
.stats-band{background:var(--c-brand);border-radius:24px;padding:48px 40px;position:relative;overflow:hidden;}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(201,242,76,.26) 1px,transparent 1px);
  background-size:26px 26px;opacity:.2;pointer-events:none;
}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.stat{padding:0 20px;border-left:1px solid rgba(255,255,255,.16);}
.stat:first-child{border-left:none;padding-left:0;}
.stat b{display:block;font-size:clamp(32px,4vw,46px);font-weight:800;color:var(--c-accent);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat b em{font-size:.52em;font-style:normal;margin-left:2px;}
.stat span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.75);line-height:1.6;}
@media (max-width:768px){
  .stats-band{padding:32px 22px;border-radius:20px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 8px;}
  .stat{padding:0 14px;}
  .stat:nth-child(odd){border-left:none;padding-left:0;}
}

/* ============ faq ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--c-line-2);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item:hover{border-color:rgba(15,61,46,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-ink);border-left:3px solid transparent;
  transition:border-color .2s,padding-left .2s,color .2s;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;font-size:22px;font-weight:400;line-height:1;color:var(--c-brand-2,#0F3D2E);
  transition:transform .25s,color .25s;
}
.faq-item[open] summary{border-left-color:var(--c-accent);color:var(--c-brand);}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--c-accent-soft);}
.faq-item p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}
@media (max-width:640px){.faq-item summary{padding:16px 18px;font-size:15px;}.faq-item p{padding:0 18px 18px;}}

/* ============ cta band ============ */
.cta-band{
  background:var(--c-brand-deep);border-radius:20px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(201,242,76,.22);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;color:#fff;line-height:1.3;letter-spacing:-.01em;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:40em;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
@media (max-width:768px){.cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:22px;}.cta-actions{width:100%;}.cta-actions .btn{flex:1;}}

/* ============ footer ============ */
.site-footer{background:var(--c-brand-deep);color:#fff;margin-top:72px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:#123B2C;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:26em;}
.footer-social{margin-top:18px;display:flex;gap:10px;}
.footer-social span{
  width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.72);
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);display:inline-block;transition:color .2s,transform .2s;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:#fff;}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:640px){
  .site-footer{padding-top:44px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
    --c-brand:#0F3D2E;
    --c-brand-deep:#0A2A20;
    --c-accent:#C9F24C;
    --c-accent-ink:#1A2410;
    --c-warn:#D9633C;
    --c-bg:#F7F5F0;
    --c-bg-alt:#EEEBE2;
    --c-ink:#16201B;
    --c-ink-2:#5B6660;
    --c-ink-3:#8A938E;
    --c-line:#DCD8CD;
    --c-line-2:#E3DFD3;
    --r-sm:10px;
    --r-md:16px;
    --r-lg:22px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(15,61,46,.06);
    --sh-2:0 12px 28px rgba(15,61,46,.12);
    --sh-nav:0 2px 12px rgba(15,61,46,.08);
    --gap:24px;
    --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    color:var(--c-ink);
    background:var(--c-bg);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,transform .25s ease;}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input,textarea,select{font-family:inherit;font-size:16px;}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
  .wrap{max-width:1280px;margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.wrap{padding:0 32px;}}
  @media(min-width:1024px){.wrap{padding:0 48px;}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:#fff;
    border-bottom:1px solid var(--c-line-2);
    transition:box-shadow .3s ease,background-color .3s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-nav);background:rgba(255,255,255,.92);backdrop-filter:blur(10px);}
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:72px;gap:16px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:34px;height:34px;border-radius:9px;
    background:var(--c-brand);
    display:inline-flex;align-items:center;justify-content:center;
    flex-shrink:0;transition:transform .25s ease;
  }
  .logo:hover .logo-mark{transform:rotate(-4deg);}
  .logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap;}
  .main-nav{display:none;align-items:center;gap:26px;}
  .nav-link{
    position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
    padding:6px 0;line-height:1.4;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--c-accent);transition:width .25s ease;
  }
  .nav-link:hover{color:var(--c-brand);}
  .nav-link:hover::after{width:100%;}
  .nav-link.is-active{color:var(--c-brand);font-weight:700;}
  .nav-link.is-active::after{width:100%;}
  .header-cta{display:flex;align-items:center;gap:10px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:12px 24px;border-radius:var(--r-sm);
    font-size:16px;font-weight:700;letter-spacing:-.01em;
    border:1.5px solid transparent;cursor:pointer;
    transition:background-color .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  }
  .btn.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:0 6px 16px rgba(201,242,76,.35);}
  .btn.btn-primary:hover{background:#B9E63C;transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,242,76,.45);}
  .btn.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(201,242,76,.3);}
  .btn.btn-outline{border-color:var(--c-brand);color:var(--c-brand);background:transparent;}
  .btn.btn-outline:hover{background:rgba(15,61,46,.08);transform:translateY(-1px);}
  .btn.btn-sm{min-height:40px;padding:9px 18px;font-size:15px;}
  .btn.btn-dark{background:var(--c-brand);color:#fff;}
  .btn.btn-dark:hover{background:var(--c-brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn.btn-ghost-light{border-color:rgba(255,255,255,.45);color:#fff;background:transparent;}
  .btn.btn-ghost-light:hover{background:rgba(255,255,255,.12);}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--c-brand);font-size:15px;}
  .link-arrow span{transition:transform .25s ease;}
  .link-arrow:hover span{transform:translateX(4px);}

  .nav-toggle{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line-2);
    align-items:center;background:#fff;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--c-brand);border-radius:2px;position:relative;transition:transform .25s ease,opacity .25s ease;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand);border-radius:2px;transition:transform .25s ease;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-toggle[aria-expanded="true"] span{background:transparent;}
  .nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;left:0;right:0;top:72px;bottom:0;
    background:#fff;padding:16px 20px 32px;overflow-y:auto;z-index:55;
    border-top:1px solid var(--c-line-2);
  }
  .main-nav.is-open .nav-link{
    font-size:17px;line-height:56px;height:56px;padding:0;
    border-bottom:1px solid var(--c-line-2);color:var(--c-ink);
  }
  .main-nav.is-open .nav-link::after{display:none;}
  .main-nav.is-open .nav-link.is-active{color:var(--c-brand);font-weight:700;}

  @media(min-width:1024px){
    .main-nav{display:flex;}
    .nav-toggle{display:none;}
    .main-nav.is-open{position:static;display:flex;flex-direction:row;padding:0;border:0;overflow:visible;background:transparent;}
    .main-nav.is-open .nav-link{font-size:15px;line-height:1.4;height:auto;border:0;padding:6px 0;color:var(--c-ink-2);}
    .main-nav.is-open .nav-link::after{display:block;}
  }
  @media(max-width:420px){
    .logo-text{font-size:16px;}
    .header-cta .btn.btn-primary.btn-sm{padding:8px 12px;font-size:13px;min-height:38px;}
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media(min-width:768px){.section{padding:80px 0;}}
  @media(min-width:1024px){.section{padding:88px 0;}}
  .section-alt{background:var(--c-bg-alt);}
  .section-head{max-width:760px;margin-bottom:36px;}
  .section-head h2{
    font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.3;
    padding-left:14px;position:relative;
  }
  .section-head h2::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-accent);
  }
  .section-head p{margin-top:12px;color:var(--c-ink-2);font-size:16px;}
  .section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;}

  .eyebrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:none;
    background:var(--c-accent);color:var(--c-accent-ink);
    padding:5px 12px;border-radius:var(--r-pill);
  }
  .pill{
    display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  }
  .pill-lime{background:var(--c-accent);color:var(--c-accent-ink);}
  .pill-soft{background:rgba(15,61,46,.08);color:var(--c-brand);}
  .pill-warn{background:rgba(217,99,60,.14);color:#A64526;}

  /* ---------- 分类页头部 ---------- */
  .page-hero{padding:28px 0 8px;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);flex-wrap:wrap;margin-bottom:26px;}
  .breadcrumb a{color:var(--c-ink-2);}
  .breadcrumb a:hover{color:var(--c-brand);}
  .breadcrumb .sep{color:var(--c-ink-3);}
  .breadcrumb .current{color:var(--c-ink);font-weight:600;}
  .page-hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
  .page-hero h1{
    font-size:clamp(30px,4.2vw,42px);line-height:1.24;font-weight:800;letter-spacing:-.01em;
    margin:16px 0 16px;
  }
  .page-hero .lead{font-size:17px;color:var(--c-ink-2);max-width:560px;line-height:1.9;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:22px;border-top:1px solid var(--c-line);}
  .hero-chips li{font-size:14px;color:var(--c-ink-2);display:inline-flex;align-items:center;gap:7px;}
  .hero-chips li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand);}
  .page-hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);}
  .page-hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .media-badge{
    position:absolute;left:16px;bottom:16px;background:#fff;border-radius:var(--r-md);
    padding:12px 16px;box-shadow:0 10px 24px rgba(15,61,46,.18);display:flex;align-items:center;gap:12px;
  }
  .media-badge b{font-size:24px;font-weight:800;color:var(--c-brand);line-height:1;}
  .media-badge span{font-size:12px;color:var(--c-ink-2);line-height:1.4;}
  @media(min-width:1024px){
    .page-hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;}
    .page-hero{padding:40px 0 16px;}
  }

  /* ---------- 卖点三卡 ---------- */
  .feature-grid{display:grid;grid-template-columns:1fr;gap:var(--gap);}
  @media(min-width:768px){.feature-grid{grid-template-columns:repeat(3,1fr);}}
  .feature-card{
    background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-md);
    padding:26px;box-shadow:var(--sh-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,61,46,.35);}
  .feature-icon{
    width:44px;height:44px;border-radius:12px;background:rgba(15,61,46,.08);
    display:flex;align-items:center;justify-content:center;color:var(--c-brand);margin-bottom:16px;
  }
  .feature-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em;margin-bottom:8px;}
  .feature-card p{font-size:15px;color:var(--c-ink-2);line-height:1.85;}

  /* ---------- 课程定价 ---------- */
  .price-grid{display:grid;grid-template-columns:1fr;gap:var(--gap);align-items:stretch;}
  @media(min-width:900px){.price-grid{grid-template-columns:repeat(3,1fr);}}
  .price-card{
    position:relative;background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-md);
    padding:28px;display:flex;flex-direction:column;
    box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
  }
  .price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
  .price-card h3{font-size:20px;font-weight:800;letter-spacing:-.01em;}
  .price-card .desc{font-size:14px;color:var(--c-ink-2);margin-top:6px;line-height:1.8;}
  .price-list{margin:20px 0 24px;display:grid;gap:10px;}
  .price-list li{display:flex;gap:10px;font-size:15px;color:var(--c-ink-2);line-height:1.7;}
  .price-list li svg{flex-shrink:0;margin-top:5px;color:var(--c-brand);}
  .price-num{display:flex;align-items:baseline;gap:6px;margin-top:auto;padding-top:8px;border-top:1px dashed var(--c-line);}
  .price-num b{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1;}
  .price-num i{font-style:normal;font-size:13px;color:var(--c-ink-3);}
  .price-card .btn{margin-top:18px;width:100%;}
  .price-card.is-featured{
    background:var(--c-brand);border-color:var(--c-brand);color:#fff;
    box-shadow:0 18px 38px rgba(15,61,46,.24);
  }
  .price-card.is-featured .desc,.price-card.is-featured .price-list li{color:rgba(255,255,255,.76);}
  .price-card.is-featured .price-list li svg{color:var(--c-accent);}
  .price-card.is-featured .price-num{border-top-color:rgba(255,255,255,.22);}
  .price-card.is-featured .price-num b{color:var(--c-accent);}
  .price-card.is-featured .price-num i{color:rgba(255,255,255,.6);}
  .feature-flag{
    position:absolute;top:-13px;left:28px;
    background:var(--c-accent);color:var(--c-accent-ink);
    font-size:12px;font-weight:700;letter-spacing:.05em;
    padding:6px 14px;border-radius:var(--r-pill);
  }
  .price-note{margin-top:22px;font-size:13px;color:var(--c-ink-3);}

  /* ---------- 课时表 ---------- */
  .table-scroll{
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-md);
    box-shadow:var(--sh-1);
  }
  .schedule-table{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
  .schedule-table thead th{
    background:rgba(15,61,46,.07);color:var(--c-brand);font-weight:700;text-align:left;
    padding:14px 18px;white-space:nowrap;border-bottom:1px solid var(--c-line-2);
  }
  .schedule-table tbody td{padding:14px 18px;border-bottom:1px solid var(--c-line-2);color:var(--c-ink-2);vertical-align:middle;}
  .schedule-table tbody td:first-child{font-weight:700;color:var(--c-ink);white-space:nowrap;}
  .schedule-table tbody tr:nth-child(even){background:#FBF9F4;}
  .schedule-table tbody tr{transition:background-color .2s ease;}
  .schedule-table tbody tr:hover{background:#F2EFE6;}
  .schedule-table tbody tr:last-child td{border-bottom:0;}
  .table-tip{margin-top:14px;font-size:13px;color:var(--c-ink-3);}

  /* ---------- 教练 ---------- */
  .coach-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
  @media(min-width:768px){.coach-grid{grid-template-columns:repeat(4,1fr);gap:var(--gap);}}
  .coach-card{
    background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-md);
    overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
  }
  .coach-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .coach-card img{width:100%;aspect-ratio:1/1;object-fit:cover;}
  .coach-body{padding:16px;}
  .coach-body h3{font-size:16px;font-weight:700;letter-spacing:-.01em;}
  .coach-body p{font-size:13px;color:var(--c-ink-2);margin-top:4px;line-height:1.7;}
  .coach-body .pill{margin-top:10px;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:14px;}
  .faq-item{
    background:#fff;border:1px solid var(--c-line-2);border-radius:12px;
    padding:0 22px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
    transition:border-color .25s ease,box-shadow .25s ease;
  }
  .faq-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent);
    transform:scaleY(0);transform-origin:top;transition:transform .25s ease;
  }
  .faq-item[open]{border-color:rgba(15,61,46,.32);box-shadow:0 8px 20px rgba(15,61,46,.08);}
  .faq-item[open]::before{transform:scaleY(1);}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:20px 34px 20px 4px;position:relative;
    font-size:16px;font-weight:600;line-height:1.6;transition:color .25s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--c-brand);}
  .faq-item summary::after{
    content:"";position:absolute;right:4px;top:50%;width:14px;height:14px;
    margin-top:-7px;
    background:
      linear-gradient(var(--c-ink-2),var(--c-ink-2)) center/14px 2px no-repeat,
      linear-gradient(var(--c-ink-2),var(--c-ink-2)) center/2px 14px no-repeat;
    transition:transform .3s ease,background-color .3s ease,opacity .3s ease;
  }
  .faq-item[open] summary::after{
    transform:rotate(45deg);
    background:
      linear-gradient(var(--c-brand),var(--c-brand)) center/14px 2px no-repeat,
      linear-gradient(var(--c-brand),var(--c-brand)) center/2px 14px no-repeat;
  }
  .faq-item .faq-answer{
    font-size:15px;color:var(--c-ink-2);line-height:1.9;
    padding:0 4px 20px;border-top:1px solid var(--c-line-2);padding-top:14px;
  }

  /* ---------- CTA 条 ---------- */
  .cta-band{
    background:var(--c-brand);border-radius:20px;color:#fff;
    padding:36px 26px;display:flex;flex-direction:column;gap:22px;
    position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle,rgba(201,242,76,.22),transparent 68%);
  }
  .cta-band h2{font-size:clamp(22px,3vw,28px);font-weight:800;letter-spacing:-.01em;line-height:1.35;}
  .cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.75);max-width:640px;line-height:1.85;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  @media(min-width:900px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 40px;}
    .cta-actions{flex-shrink:0;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--c-brand-deep);color:#fff;padding:56px 0 26px;margin-top:0;}
  .footer-grid{
    display:grid;grid-template-columns:1fr;gap:32px;
    padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12);
  }
  @media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}}
  .site-footer .logo-text{color:#fff;}
  .site-footer .logo-mark{background:rgba(255,255,255,.1);}
  .footer-desc{font-size:14px;color:rgba(255,255,255,.7);line-height:1.85;margin-top:14px;max-width:320px;}
  .footer-social{display:flex;gap:10px;margin-top:18px;}
  .footer-social span{
    width:34px;height:34px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.75);
    transition:background-color .25s ease,color .25s ease;
  }
  .footer-social span:hover{background:var(--c-accent);color:var(--c-accent-ink);}
  .footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff;letter-spacing:.02em;}
  .footer-links{display:grid;gap:12px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.7);display:inline-block;transition:color .25s ease,transform .25s ease;}
  .footer-links a:hover{color:#fff;transform:translateX(2px);}
  .footer-contact{display:grid;gap:12px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
  .footer-bottom{
    display:flex;flex-direction:column;gap:10px;
    padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
  }
  .footer-bottom a{color:rgba(255,255,255,.7);}
  .footer-bottom a:hover{color:var(--c-accent);}
  @media(min-width:768px){
    .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }

/* roulang page: category4 */
:root{
  --c-brand:#0F3D2E;
  --c-brand-deep:#0A2A20;
  --c-accent:#C9F24C;
  --c-accent-ink:#16201B;
  --c-warn:#D9633C;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEEBE2;
  --c-ink:#16201B;
  --c-ink-2:#5B6660;
  --c-ink-3:#8A938E;
  --c-line:#DCD8CD;
  --c-line-2:#E3DFD3;
  --r-btn:10px;
  --r-card:16px;
  --r-block:20px;
  --sh-card:0 1px 2px rgba(15,61,46,.05);
  --sh-hover:0 12px 28px rgba(15,61,46,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;line-height:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}
@media(min-width:1024px){.wrap{padding:0 48px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-accent);color:var(--c-brand-deep);box-shadow:0 1px 2px rgba(15,61,46,.06)}
.btn-primary:hover{background:#B9E63C;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,61,46,.18)}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(15,61,46,.1)}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:rgba(15,61,46,.08);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-brand);transition:color .2s}
.text-link span.arrow{transition:transform .2s}
.text-link:hover{color:var(--c-brand-deep)}
.text-link:hover span.arrow{transform:translateX(3px)}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--c-accent);color:var(--c-accent-ink);
  font-size:12px;font-weight:600;letter-spacing:.05em;white-space:nowrap;
}
.pill-soft{background:rgba(15,61,46,.08);color:var(--c-brand)}
.tag-line{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.05em;color:var(--c-brand);
  text-transform:none;
}
.tag-line::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(15,61,46,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;color:var(--c-brand-deep)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-text{white-space:nowrap}
.main-nav{display:none}
.nav-link{position:relative;font-size:15px;font-weight:500;color:#3A453F;padding:6px 0;transition:color .25s ease}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--c-accent);transition:width .25s ease}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--c-brand);font-weight:700}
.nav-link.is-active::after{width:100%}
.header-cta{display:flex;align-items:center;gap:10px}
.header-cta .btn-outline{display:none}
.nav-drawer-cta{display:none}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;transition:border-color .2s,background-color .2s;
}
.nav-toggle:hover{border-color:var(--c-brand);background:#FBFDF4}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--c-brand-deep);transition:background-color .2s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--c-brand-deep);transition:transform .25s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

@media(min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:28px}
  .header-cta .btn-outline{display:inline-flex}
  .nav-toggle{display:none}
}
@media(max-width:1023px){
  .main-nav.is-open{
    display:flex;flex-direction:column;gap:0;
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:#fff;padding:8px 20px 40px;overflow-y:auto;z-index:55;
    box-shadow:0 24px 40px rgba(15,61,46,.14);
  }
  .main-nav.is-open .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    height:56px;font-size:17px;color:var(--c-ink);
    border-bottom:1px solid var(--c-bg-alt);padding:0;
  }
  .main-nav.is-open .nav-link::after{display:none}
  .main-nav.is-open .nav-link.is-active{color:var(--c-brand);font-weight:700}
  .main-nav.is-open .nav-drawer-cta{display:flex;width:100%;margin-top:24px}
}

/* ---------- 面包屑 / 栏目头 ---------- */
.page-hero{position:relative;padding:28px 0 0;background:linear-gradient(180deg,#FFFDF7 0%,var(--c-bg) 100%);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(15,61,46,.09) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .wrap{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px;color:var(--c-ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--c-ink-2);transition:color .2s}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--c-ink);font-weight:600}
.page-hero-grid{display:grid;gap:32px;align-items:center;padding-bottom:36px}
.page-hero-copy h1{font-size:clamp(32px,4.2vw,44px);line-height:1.24;font-weight:800;letter-spacing:-.01em;color:var(--c-brand-deep);margin:14px 0 16px}
.page-hero-copy p{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:540px}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-facts span{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.9);
  border:1px solid var(--c-line-2);font-size:13px;color:var(--c-ink-2);
}
.hero-facts span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.page-hero-media{border-radius:var(--r-block);overflow:hidden;box-shadow:0 18px 40px rgba(15,61,46,.14);
  aspect-ratio:16/10;background:var(--c-bg-alt)}
.page-hero-media img{width:100%;height:100%;object-fit:cover}
.page-hero-rule{height:1px;background:var(--c-line);width:100%}
@media(min-width:1024px){
  .page-hero-grid{grid-template-columns:7fr 5fr;gap:48px;padding-bottom:48px}
}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.sec-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:28px}
.sec-bar{flex:0 0 auto;width:4px;height:22px;border-radius:2px;background:var(--c-accent);margin-top:8px}
.sec-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--c-brand-deep)}
.sec-head p{font-size:15px;color:var(--c-ink-2);margin-top:8px}

/* ---------- 会员主体两栏 ---------- */
.member-layout{display:grid;gap:32px;align-items:start}
.member-main{min-width:0}
.lead-box{
  background:#fff;border:1px solid var(--c-line-2);border-left:4px solid var(--c-accent);
  border-radius:var(--r-card);padding:22px 24px;margin-bottom:28px;
}
.lead-box p{font-size:16px;line-height:1.9;color:var(--c-ink-2)}
.lead-box strong{color:var(--c-brand);font-weight:700}
.benefit-group{
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.benefit-group + .benefit-group{margin-top:20px}
.benefit-group:hover{border-color:rgba(15,61,46,.4);box-shadow:var(--sh-hover);transform:translateY(-2px)}
.benefit-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.benefit-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:999px;
  background:rgba(201,242,76,.32);color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.benefit-head h3{font-size:18px;font-weight:700;color:var(--c-brand-deep);letter-spacing:-.01em}
.benefit-list li{display:flex;gap:12px;padding:14px 0;border-top:1px dashed var(--c-line-2)}
.benefit-list li:first-child{border-top:0;padding-top:0}
.benefit-list li:last-child{padding-bottom:0}
.benefit-dot{flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--c-brand);margin-top:11px}
.benefit-list strong{display:block;font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:2px}
.benefit-list p{font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--c-brand);color:#fff;border-radius:var(--r-block);padding:26px 24px;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:24px 24px;
  box-shadow:0 18px 36px rgba(15,61,46,.18);
}
.side-card .pill{background:var(--c-accent);color:var(--c-brand-deep)}
.side-card h3{font-size:20px;font-weight:800;line-height:1.4;margin:14px 0 10px;letter-spacing:-.01em}
.side-card .side-note{font-size:14px;line-height:1.85;color:rgba(255,255,255,.75)}
.side-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:12px}
.side-list li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.85)}
.side-list li .mark{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:2px;
  background:rgba(201,242,76,.22);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
}
.side-list strong{color:#fff;font-weight:700}
.side-card .btn-primary{width:100%}
.side-card .side-link{
  display:block;text-align:center;margin-top:14px;font-size:14px;font-weight:600;
  color:rgba(255,255,255,.8);transition:color .2s;
}
.side-card .side-link:hover{color:var(--c-accent)}
.side-tip{
  margin-top:16px;background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
  padding:20px;font-size:14px;line-height:1.85;color:var(--c-ink-2);
}
.side-tip strong{display:block;color:var(--c-brand);font-size:15px;margin-bottom:6px}
@media(min-width:1024px){
  .member-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px}
  .side-card{position:sticky;top:96px}
}

/* ---------- 流程 ---------- */
.steps{display:grid;gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);transition:border-color .25s,box-shadow .25s,transform .25s;
}
.step:hover{border-color:rgba(15,61,46,.4);box-shadow:var(--sh-hover);transform:translateY(-2px)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:12px;
  background:rgba(201,242,76,.36);color:var(--c-brand);
  font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.step h3{font-size:18px;font-weight:700;color:var(--c-brand-deep);margin:16px 0 8px}
.step p{font-size:15px;line-height:1.85;color:var(--c-ink-2)}
@media(min-width:768px){
  .steps{grid-template-columns:repeat(3,1fr);gap:24px}
  .step::after{
    content:"";position:absolute;top:48px;right:-13px;width:26px;height:1px;
    background:var(--c-line);display:block;
  }
  .step:last-child::after{display:none}
}
@media(max-width:767px){.step::after{display:none}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--c-line-2);border-radius:12px;
  padding:16px 24px;transition:border-color .25s,box-shadow .25s;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;cursor:pointer;font-size:16px;font-weight:600;color:var(--c-ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;
  transition:transform .25s ease,color .25s ease;color:var(--c-ink-2);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:9px;top:0;width:2px;height:20px}
.faq-icon::after{left:0;top:9px;width:20px;height:2px}
.faq-item:hover{border-color:rgba(15,61,46,.35)}
.faq-item[open]{border-color:rgba(15,61,46,.35);box-shadow:0 12px 28px rgba(15,61,46,.08)}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--c-brand)}
.faq-item[open] summary{color:var(--c-brand-deep)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--c-accent);
}
.faq-answer{
  margin-top:12px;padding-top:12px;border-top:1px solid var(--c-line-2);
  font-size:15px;line-height:1.9;color:var(--c-ink-2);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-brand);border-radius:var(--r-block);padding:32px;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:24px 24px;
  display:flex;flex-direction:column;gap:22px;align-items:flex-start;
  box-shadow:0 20px 40px rgba(15,61,46,.18);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.4;font-weight:800;color:#fff;letter-spacing:-.01em}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.75);margin-top:10px;max-width:560px}
.cta-band .btn-primary{flex:0 0 auto}
@media(min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:40px;gap:32px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-deep);color:#fff;padding:56px 0 24px;margin-top:64px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
.site-footer .logo{color:#fff}
.footer-desc{color:rgba(255,255,255,.7);font-size:14px;line-height:1.9;margin-top:16px;max-width:330px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(255,255,255,.75);
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li + li{margin-top:10px}
.footer-links a{display:inline-block;font-size:14px;color:rgba(255,255,255,.7);transition:color .2s,transform .2s}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-direction:column;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8);transition:color .2s}
.footer-bottom a:hover{color:#fff}
@media(min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}
}
@media(min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
}

/* roulang page: category5 */
:root{
  --c-brand:#0F3D2E;
  --c-brand-deep:#0A2A20;
  --c-accent:#C9F24C;
  --c-accent-soft:rgba(201,242,76,.32);
  --c-warn:#D9633C;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEEBE2;
  --c-ink:#16201B;
  --c-ink-2:#5B6660;
  --c-ink-3:#8A938E;
  --c-line:#DCD8CD;
  --c-line-2:#E3DFD3;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --sh-1:0 1px 2px rgba(15,61,46,.05);
  --sh-2:0 12px 28px rgba(15,61,46,.12);
  --sh-nav:0 2px 12px rgba(15,61,46,.08);
  --wrap:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{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(--c-accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}
@media (min-width:1024px){.wrap{padding:0 48px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s}
.site-header.is-stuck{box-shadow:var(--sh-nav)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--c-brand);display:grid;place-items:center;flex:none}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:8px;transition:color .25s,background-color .25s}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-link:hover{color:var(--c-brand);background:rgba(15,61,46,.04)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-brand);font-weight:700}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;position:relative;cursor:pointer;flex:none}
.nav-toggle span{position:absolute;left:11px;right:11px;top:50%;height:2px;margin-top:-1px;background:var(--c-brand);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--c-brand);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 22px;font-size:15px;font-weight:700;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:transform .2s,background-color .2s,color .2s,border-color .2s,box-shadow .2s;text-align:center}
.btn-sm{padding:8px 18px;font-size:14px;min-height:40px}
.btn-lg{padding:13px 26px;font-size:16px;min-height:48px}
.btn-primary{background:var(--c-accent);color:#132014;box-shadow:0 1px 2px rgba(15,61,46,.08)}
.btn-primary:hover{background:#B9E63C;transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,61,46,.18)}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(15,61,46,.1)}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:rgba(15,61,46,.08);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- page head ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);padding:20px 0 0}
.crumb a{color:var(--c-ink-2);transition:color .2s}
.crumb a:hover{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:var(--c-line)}
.crumb .current{color:var(--c-ink);font-weight:600}
.page-head{position:relative;background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(15,61,46,.14) 1px,transparent 1px);background-size:24px 24px;opacity:.35;pointer-events:none}
.page-head-grid{position:relative;display:grid;gap:32px;padding:28px 0 56px}
@media (min-width:1024px){
  .page-head-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:32px 0 72px}
}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.05em;color:var(--c-brand);background:var(--c-accent);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.page-head h1{font-size:clamp(28px,3.6vw,40px);line-height:1.28;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);max-width:22ch}
.page-head .lead{margin-top:16px;font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:46ch}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.head-actions .btn{flex:1 1 200px}
@media (min-width:640px){.head-actions .btn{flex:0 0 auto}}
.head-facts{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:32px;padding-top:20px;border-top:1px solid var(--c-line)}
.head-facts li{display:flex;align-items:baseline;gap:8px;font-variant-numeric:tabular-nums}
.head-facts strong{font-size:22px;font-weight:800;color:var(--c-brand)}
.head-facts span{font-size:13.5px;color:var(--c-ink-2)}
.page-head-figure{position:relative}
.page-head-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);border:1px solid rgba(15,61,46,.08);box-shadow:var(--sh-2)}
.page-head-figure figcaption{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(255,255,255,.94);border:1px solid var(--c-line-2);border-radius:12px;padding:10px 14px;font-size:13px;line-height:1.7;color:var(--c-ink-2)}

/* ---------- section base ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-alt{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{display:grid;gap:16px;margin-bottom:32px}
@media (min-width:1024px){.section-head{grid-template-columns:1.15fr .85fr;align-items:end;gap:40px;margin-bottom:48px}}
.section-kicker{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.05em;color:var(--c-brand);background:var(--c-accent-soft);padding:4px 10px;border-radius:999px;margin-bottom:12px}
.section-head h2{position:relative;padding-left:16px;font-size:clamp(23px,3vw,32px);line-height:1.32;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.section-head h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1.05em;background:var(--c-accent);border-radius:2px}
.section-note{font-size:15px;line-height:1.85;color:var(--c-ink-2);max-width:44ch}
.section-note a{color:var(--c-brand);font-weight:600;text-decoration:underline;text-underline-offset:4px}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:0;margin-top:8px}
.timeline::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:1px;background:var(--c-brand);opacity:.3}
.timeline li{position:relative;padding:0 0 28px 34px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;background:var(--c-accent);border:1px solid var(--c-brand);box-shadow:0 0 0 3px var(--c-bg)}
.lt-year{font-size:20px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1.3}
.lt-title{font-size:17px;font-weight:700;margin-top:4px;color:var(--c-ink)}
.lt-text{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin-top:6px;max-width:60ch}

/* ---------- stats ---------- */
.stats-band{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:36px 0}
@media (min-width:768px){.stats-band{padding:52px 0}}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:0}}
.stat{position:relative}
@media (min-width:1024px){
  .stat{padding:0 28px}
  .stat:first-child{padding-left:0}
  .stat + .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(15,61,46,.16)}
}
.stat-num{font-size:clamp(32px,4vw,44px);line-height:1.1;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums}
.stat-num span{font-size:.46em;font-weight:700;margin-left:6px;color:var(--c-brand-deep);letter-spacing:0}
.stat-label{font-size:14px;color:var(--c-ink-2);margin-top:8px}

/* ---------- team & cert ---------- */
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media (min-width:1024px){.team-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.card{background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s;overflow:hidden}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.team-card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.team-body{padding:16px 18px 20px}
.team-name{font-size:16px;font-weight:700;color:var(--c-ink)}
.team-role{font-size:13px;font-weight:600;color:var(--c-brand);margin-top:2px}
.team-text{font-size:13.5px;line-height:1.75;color:var(--c-ink-2);margin-top:10px}
.cert-grid{display:grid;gap:16px;margin-top:24px}
@media (min-width:768px){.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.cert-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.cert-item{display:flex;gap:12px;background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-md);padding:16px 18px;transition:border-color .25s,box-shadow .25s}
.cert-item:hover{border-color:var(--c-brand);box-shadow:var(--sh-1)}
.cert-icon{width:36px;height:36px;border-radius:10px;background:var(--c-accent-soft);color:var(--c-brand);display:grid;place-items:center;flex:none}
.cert-item h3{font-size:15px;font-weight:700;line-height:1.5;color:var(--c-ink)}
.cert-item p{font-size:13.5px;line-height:1.75;color:var(--c-ink-2);margin-top:4px}

/* ---------- contact ---------- */
.contact-grid{display:grid;gap:24px}
@media (min-width:1024px){.contact-grid{grid-template-columns:1fr 1fr;gap:32px;align-items:start}}
.contact-list{display:grid;gap:14px}
.contact-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-md);padding:16px 18px}
.contact-icon{width:36px;height:36px;border-radius:10px;background:rgba(15,61,46,.08);color:var(--c-brand);display:grid;place-items:center;flex:none}
.contact-item dt{font-size:13px;color:var(--c-ink-3);letter-spacing:0}
.contact-item dd{margin:2px 0 0;font-size:15px;font-weight:700;color:var(--c-ink);line-height:1.6}
.contact-item dd a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.map-box{position:relative;min-height:260px;border:1px solid var(--c-line);border-radius:var(--r-lg);background-color:var(--c-bg-alt);background-image:radial-gradient(rgba(15,61,46,.18) 1px,transparent 1px);background-size:22px 22px;display:grid;place-items:center;text-align:center;padding:28px}
.map-pin{width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--c-line-2);display:grid;place-items:center;color:var(--c-brand);margin:0 auto 14px;box-shadow:var(--sh-1)}
.map-box strong{display:block;font-size:15px;font-weight:700;color:var(--c-ink)}
.map-box span{display:block;font-size:13.5px;color:var(--c-ink-2);margin-top:6px}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item:hover{border-color:#C9C3B4}
.faq-item[open]{border-left:3px solid var(--c-accent);box-shadow:var(--sh-1)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:16px 22px;font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--c-brand)}
.faq-icon{flex:none;width:24px;height:24px;display:grid;place-items:center;transition:transform .25s,color .25s;color:var(--c-ink-3)}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--c-brand)}
.faq-body{padding:0 22px 18px;font-size:15px;line-height:1.85;color:var(--c-ink-2);border-top:1px solid var(--c-line-2);padding-top:14px;margin:0 22px 18px;padding-left:0;padding-right:0;padding-bottom:0}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-brand);color:#fff;border-radius:var(--r-xl);padding:32px 24px;display:grid;gap:22px}
@media (min-width:1024px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:40px 48px;gap:32px}}
.cta-band::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:rgba(201,242,76,.12);pointer-events:none}
.cta-band h2{position:relative;font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:800;color:#fff}
.cta-band p{position:relative;font-size:15px;line-height:1.85;color:rgba(255,255,255,.75);margin-top:10px;max-width:52ch}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn{flex:1 1 180px}
@media (min-width:640px){.cta-actions .btn{flex:0 0 auto}}

/* ---------- footer ---------- */
.site-footer{background:var(--c-brand-deep);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:56px}
@media (min-width:1024px){.site-footer{padding:72px 0 0;margin-top:96px}}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px}}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:rgba(255,255,255,.1)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:16px 0 18px;max-width:32ch}
.footer-social{display:flex;gap:8px}
.footer-social span{width:32px;height:32px;border-radius:8px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;font-size:13px;color:rgba(255,255,255,.7)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{display:inline-block;font-size:14px;color:rgba(255,255,255,.7);transition:color .2s,transform .2s}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:grid;gap:10px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 16px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------- responsive nav ---------- */
@media (max-width:1023px){
  .header-cta .btn-outline{display:none}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 20px 120px;overflow-y:auto;
    opacity:0;transform:translateY(-8px);pointer-events:none;
    transition:opacity .25s,transform .25s;z-index:70;margin-left:0;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .main-nav .nav-link{display:flex;align-items:center;height:56px;font-size:17px;padding:0;border-bottom:1px solid var(--c-line);border-radius:0;color:var(--c-ink)}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--c-brand);font-weight:700}
  .main-nav .nav-link:hover{background:transparent;color:var(--c-brand)}
  .logo-text{font-size:17px}
}
@media (max-width:400px){
  .logo-text{font-size:15px;white-space:normal;line-height:1.2}
  .header-inner{gap:12px}
}