/* roulang page: index */
:root{
  --brand:#12655A;
  --brand-deep:#0F574E;
  --brand-soft:rgba(18,101,90,.08);
  --brand-line:rgba(18,101,90,.30);
  --dark:#0E1A18;
  --lime:#D8F24A;
  --coral:#FF6A3D;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --text:#141A18;
  --muted:#5C6763;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(14,26,24,.04);
  --shadow-md:0 12px 32px -12px rgba(14,26,24,.12);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;

  --bs-primary:#12655A;
  --bs-primary-rgb:18,101,90;
  --bs-body-bg:#F6F5F1;
  --bs-body-color:#141A18;
  --bs-body-font-family:var(--font);
  --bs-border-color:#E3E1DA;
  --bs-border-radius:12px;
  --bs-link-color:#12655A;
  --bs-link-hover-color:#0F574E;
  --bs-emphasis-color:#141A18;
  --bs-secondary-color:#5C6763;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-deep)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{letter-spacing:-.03em;font-weight:800;color:var(--text);margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

.container,.container-lg,.container-xl{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1200px){.container,.container-lg,.container-xl,.container-xxl{max-width:1200px}}
@media (min-width:1400px){.container,.container-xxl{max-width:1200px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,245,241,.90);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,245,241,.98);
  box-shadow:0 10px 30px -22px rgba(14,26,24,.55);
}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:74px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.logo-mark{color:var(--brand);flex:0 0 auto}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand)}

.nav-main{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-x-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-x-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-x-link.is-active{color:var(--brand)}
.nav-x-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:12px;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);transition:transform .2s var(--ease)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 按钮 ============ */
.btn{border-radius:var(--radius-btn);font-weight:700;padding:12px 24px;border-width:1px;transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease)}
.btn:focus-visible{box-shadow:0 0 0 4px rgba(18,101,90,.18)}
.btn-brand{background:var(--brand);border:1px solid var(--brand);color:#F6F5F1}
.btn-brand:hover,.btn-brand:focus{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(18,101,90,.75)}
.btn-ghost{background:transparent;border:1px solid var(--brand-line);color:var(--brand)}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm-x{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-lime{background:var(--lime);border:1px solid var(--lime);color:#0E1A18}
.btn-lime:hover,.btn-lime:focus{background:#c9e63c;border-color:#c9e63c;color:#0E1A18;transform:translateY(-2px)}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;font-size:14px;color:var(--brand);
}
.link-arrow svg{transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ 通用板块 ============ */
.section{padding:104px 0}
.section-tight{padding:80px 0}
.section-head{max-width:720px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  border:1px solid rgba(18,101,90,.14);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.h2{font-size:clamp(26px,3.2vw,40px);line-height:1.25;font-weight:800}
.section-sub{color:var(--muted);font-size:16px;margin-top:16px;line-height:1.85}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ Hero ============ */
.hero{position:relative;padding:118px 0 96px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(14,26,24,.05) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(14,26,24,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 26% 18%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 26% 18%,#000 0%,transparent 72%);
}
.hero .container{position:relative;z-index:1}
.hero-title{
  font-size:clamp(34px,5.2vw,64px);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.04em;
  margin:0 0 20px;
}
.hero-sub{
  font-size:clamp(17px,1.6vw,20px);
  font-weight:700;
  color:var(--brand);
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.hero-desc{color:var(--muted);font-size:16px;line-height:1.85;max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-strip{
  display:flex;flex-wrap:wrap;gap:12px;
  border-top:1px solid var(--line);padding-top:24px;
}
.hero-strip-item{
  flex:1 1 140px;min-width:130px;
  padding-right:16px;
}
.hero-strip-item strong{
  display:block;font-size:26px;font-weight:800;color:var(--text);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.2;
}
.hero-strip-item span{font-size:13px;color:var(--muted)}
.hero-figure{
  position:relative;margin:0;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-md);border:1px solid var(--line);
}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,101,90,.08) 0%,rgba(14,26,24,.18) 100%);
  pointer-events:none;
}

/* ============ 痛点提问区 ============ */
.pain{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pain-card{
  position:relative;padding:28px 26px 26px 26px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.pain-card:hover{transform:translateY(-2px);border-color:var(--brand-line);box-shadow:var(--shadow-md)}
.pain-num{
  display:block;font-size:13px;font-weight:800;letter-spacing:.16em;
  color:var(--coral);font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.pain-card h3{font-size:18px;line-height:1.5;margin-bottom:10px;font-weight:800}
.pain-card p{font-size:14px;color:var(--muted);line-height:1.8}
.pain-card::after{
  content:"";position:absolute;left:26px;top:0;width:2px;height:22px;background:var(--brand);border-radius:0 0 2px 2px;
}

/* ============ 方案卡片区 ============ */
.sol-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.sol-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.sol-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.sol-a{grid-column:span 7}
.sol-b{grid-column:span 5}
.sol-c{grid-column:span 12;flex-direction:row;align-items:stretch}
.sol-media{position:relative;overflow:hidden}
.sol-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.sol-card:hover .sol-media img{transform:scale(1.03)}
.sol-body{padding:30px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.sol-body h3{font-size:22px;line-height:1.35;font-weight:800}
.sol-body p{color:var(--muted);font-size:15px;line-height:1.8}
.sol-c .sol-media{flex:0 0 42%;max-width:42%}
.sol-c .sol-media img{height:100%;aspect-ratio:auto;min-height:260px}
.sol-c .sol-body{padding:34px 36px}
.sol-tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);border:1px solid rgba(18,101,90,.16);
}

/* ============ 数据区 ============ */
.stats{background:var(--dark);color:#F6F5F1;position:relative;overflow:hidden}
.stats::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:96px 100%;
}
.stats .container{position:relative;z-index:1}
.stats .h2{color:#F6F5F1}
.stats .section-sub{color:rgba(246,245,241,.68)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.stat-item{border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
.stat-num{
  font-size:clamp(34px,4vw,52px);font-weight:900;line-height:1.05;
  color:var(--lime);letter-spacing:-.04em;font-variant-numeric:tabular-nums;
}
.stat-label{display:block;margin-top:10px;font-size:14px;color:rgba(246,245,241,.72)}

/* ============ 最新信息 ============ */
.news-section{background:var(--bg)}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:12px;padding:26px 26px 22px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand)}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.badge-x{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);border:1px solid rgba(18,101,90,.16);
}
.news-date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-card h3{font-size:19px;line-height:1.5;font-weight:800}
.news-card h3 a{color:var(--text)}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-empty{
  grid-column:1/-1;
  min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--muted);font-size:15px;text-align:center;padding:32px;
}
.news-empty svg{color:var(--brand);opacity:.65}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--line)}
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line);transition:background .22s var(--ease)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:22px 6px;font-weight:700;font-size:17px;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-right:6px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .24s var(--ease);
}
.faq-item[open]{background:rgba(18,101,90,.03)}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-body{padding:0 6px 24px;color:var(--muted);font-size:15px;line-height:1.85;max-width:780px}

/* ============ CTA ============ */
.cta-section{padding:96px 0}
.cta-box{
  background:var(--dark);color:#F6F5F1;border-radius:20px;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-70px;bottom:-70px;width:260px;height:260px;
  border:1px solid rgba(216,242,74,.28);border-radius:50%;
}
.cta-box h2{color:#F6F5F1;font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin-bottom:12px}
.cta-box p{color:rgba(246,245,241,.7);font-size:15px;max-width:520px}
.cta-actions{position:relative;z-index:1;flex:0 0 auto}

/* ============ 表单弹层 ============ */
.modal-content{border:0;border-radius:20px;overflow:hidden;box-shadow:0 40px 80px -40px rgba(14,26,24,.55)}
.modal-backdrop{--bs-backdrop-bg:#0E1A18;--bs-backdrop-opacity:.56}
.modal-backdrop.show{backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.modal-body{padding:34px}
.modal-title-x{font-size:22px;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}
.modal-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:7px}
.field .form-control{
  border:1px solid var(--line);border-radius:var(--radius-input);
  padding:11px 14px;font-size:15px;background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field .form-control:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,101,90,.18);outline:none;
}
.field .form-control::placeholder{color:#A6ADA9}
.field.has-error .form-control{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,106,61,.14)}
.field-error{display:none;font-size:12px;color:var(--coral);margin-top:6px}
.field.has-error .field-error{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 22px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.check-row label{font-size:13px;color:var(--muted);line-height:1.6}
.form-success{
  text-align:center;padding:28px 12px 8px;
}
.form-success .ok-mark{
  width:56px;height:56px;border-radius:50%;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--brand);
}
.form-success h3{font-size:20px;margin-bottom:10px}
.form-success p{color:var(--muted);font-size:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(246,245,241,.74);padding:76px 0 28px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#F6F5F1;font-weight:800;font-size:19px;letter-spacing:-.03em;margin-bottom:16px}
.footer-brand svg{color:var(--lime)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(246,245,241,.62);max-width:320px}
.footer-title{
  font-size:12px;letter-spacing:.16em;font-weight:700;
  color:rgba(246,245,241,.45);margin-bottom:18px;
}
.footer-link{display:block;color:rgba(246,245,241,.74);font-size:14px;padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-link:hover{color:var(--lime);transform:translateX(3px)}
.footer-info{font-size:14px;line-height:1.9;color:rgba(246,245,241,.66)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:48px;padding-top:24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,245,241,.5);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .sol-a,.sol-b{grid-column:span 6}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-main,.nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .hero{padding:64px 0 56px}
  .section{padding:60px 0}
  .section-tight{padding:52px 0}
  .section-head{margin-bottom:34px}
  .pain-grid{grid-template-columns:1fr}
  .sol-a,.sol-b,.sol-c{grid-column:span 12}
  .sol-c{flex-direction:column}
  .sol-c .sol-media{flex:1 1 auto;max-width:100%}
  .sol-c .sol-media img{min-height:0;aspect-ratio:16/10}
  .sol-c .sol-body{padding:26px}
  .sol-body{padding:22px}
  .news-list{grid-template-columns:1fr}
  .cta-box{flex-direction:column;align-items:flex-start;padding:38px 26px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .modal-body{padding:24px}
}
@media (max-width:575px){
  .hero-title{font-size:34px}
  .brand-text{font-size:16px}
  .hero-strip{gap:0}
  .hero-strip-item{flex:1 1 100%;padding:12px 0;border-bottom:1px solid var(--line)}
  .hero-strip-item:last-child{border-bottom:0}
  .stats-grid{grid-template-columns:1fr}
  .news-card{padding:22px 20px 18px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand:#12655A;
  --brand-deep:#0d4f46;
  --brand-tint:rgba(18,101,90,.08);
  --ink:#0E1A18;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E3E1DA;
  --line-soft:#EFEEE8;
  --text:#141A18;
  --muted:#5C6763;
  --lime:#D8F24A;
  --coral:#FF6A3D;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(14,26,24,.04), 0 12px 32px -12px rgba(14,26,24,.12);
  --sh-2:0 2px 6px rgba(14,26,24,.06), 0 20px 42px -16px rgba(14,26,24,.20);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec-pc:108px;
  --sec-mb:56px;

  --bs-primary:#12655A;
  --bs-primary-rgb:18,101,90;
  --bs-body-color:#141A18;
  --bs-body-bg:#F6F5F1;
  --bs-border-color:#E3E1DA;
  --bs-border-radius:12px;
  --bs-link-color:#12655A;
  --bs-link-hover-color:#0d4f46;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-deep)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.28;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1200px}}

/* ============ 通用工具 ============ */
.section{padding:var(--sec-pc) 0}
.section-tight{padding:64px 0}
@media (max-width:991px){
  .section{padding:var(--sec-mb) 0}
  .section-tight{padding:40px 0}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:clamp(26px,3.2vw,40px);letter-spacing:-.035em}
.sec-sub{color:var(--muted);font-size:16px;max-width:640px;margin-top:14px}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--brand-tint);color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.01em;
}
.badge-lime{
  background:transparent;border:1px solid rgba(216,242,74,.85);
  color:#3f4a12;background:rgba(216,242,74,.28);
}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  padding:13px 24px;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#F7FAF9;box-shadow:0 1px 2px rgba(14,26,24,.08)}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -18px rgba(18,101,90,.9)}
.btn-agenda:hover{background:var(--coral);border-color:var(--coral);color:#fff;box-shadow:0 16px 28px -18px rgba(255,106,61,.9)}
.btn-ghost{background:transparent;border-color:rgba(18,101,90,.35);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-tint);transform:translateY(-2px);color:var(--brand-deep)}
.btn-text{background:none;border:none;color:var(--brand);padding:8px 0;font-weight:700}
.btn-text i{transition:transform .22s var(--ease)}
.btn-text:hover i{transform:translateX(4px)}
.btn-block{width:100%}
.btn-sm{padding:9px 16px;font-size:14px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,245,241,.92);
  -webkit-backdrop-filter:saturate(150%) blur(12px);
  backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(246,245,241,.98);box-shadow:0 10px 28px -22px rgba(14,26,24,.65)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:900;font-size:17px;letter-spacing:-.03em;flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#EAF6F2;flex-shrink:0;
  box-shadow:0 10px 20px -14px rgba(18,101,90,.95);
}
.brand-text{max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-x-link{
  position:relative;padding:10px 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-x-link:hover{color:var(--text);background:rgba(18,101,90,.07)}
.nav-x-link.is-active{color:var(--brand);font-weight:800}
.nav-x-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(18,101,90,.4);background:var(--brand-tint)}

@media (max-width:991px){
  .nav-main{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .header-inner{min-height:66px;gap:12px}
  .brand-text{max-width:170px;font-size:15.5px}
}

/* 移动端抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:1090;visibility:hidden;pointer-events:none}
.mobile-drawer.is-open{visibility:visible;pointer-events:auto}
.drawer-mask{
  position:absolute;inset:0;background:rgba(14,26,24,.5);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;transition:opacity .24s var(--ease);
}
.mobile-drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(88vw,360px);
  background:var(--surface);border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:22px;padding:22px 22px 28px;
  transform:translateX(100%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg);color:var(--text);font-size:20px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:rgba(18,101,90,.45);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  padding:14px 12px;border-radius:12px;color:var(--text);
  font-size:16px;font-weight:600;border-bottom:1px solid var(--line-soft);
}
.drawer-nav a:hover{background:var(--brand-tint);color:var(--brand)}
.drawer-nav a.is-active{color:var(--brand);font-weight:800}
.drawer-cta{margin-top:auto}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.55)}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:16px 0;font-size:13.5px;color:var(--muted);
}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:#B9B6AC}
.crumb-current{
  color:var(--text);font-weight:700;max-width:min(56vw,620px);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头部 ============ */
.article-hero{padding:56px 0 36px}
.article-head{max-width:820px}
.article-title{
  font-size:clamp(28px,4vw,50px);
  letter-spacing:-.04em;
  line-height:1.22;
  margin-top:18px;
}
.article-sub{color:var(--muted);font-size:16.5px;margin-top:16px}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:22px;color:var(--muted);font-size:13.5px;
  font-variant-numeric:tabular-nums;
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{font-size:12px;color:var(--brand)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9C6BC}
@media (max-width:768px){
  .article-hero{padding:34px 0 24px}
  .article-title{letter-spacing:-.03em}
}

/* ============ 文章布局 ============ */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;padding-bottom:12px}
@media (min-width:1200px){
  .article-wrap{grid-template-columns:minmax(0,780px) 300px;gap:58px;justify-content:center}
}
.article-main{min-width:0}

.article-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:20px;padding:44px;box-shadow:var(--sh-1);
}
@media (max-width:768px){.article-panel{padding:24px 20px;border-radius:16px}}

.article-body{font-size:17px;line-height:1.9;color:#1B2422;word-break:break-word}
.article-body > * + *{margin-top:1.35em}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);
  padding-left:16px;border-left:4px solid var(--brand);
  margin-top:2.1em;letter-spacing:-.025em;
}
.article-body h3{font-size:19.5px;margin-top:1.8em;color:#1E2A27}
.article-body h4{font-size:17px;margin-top:1.5em;color:var(--muted)}
.article-body p{margin:0}
.article-body strong{font-weight:800;color:#101917}
.article-body a{
  color:var(--brand);text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--coral)}
.article-body ul{list-style:none;padding-left:0}
.article-body ul > li{position:relative;padding-left:24px}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.74em;
  width:8px;height:8px;border-radius:2px;background:var(--brand);
  transform:rotate(45deg);opacity:.9;
}
.article-body ol{list-style:decimal;padding-left:1.4em}
.article-body ol > li::marker{color:var(--brand);font-weight:800}
.article-body li + li{margin-top:.55em}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  background:rgba(18,101,90,.055);
  border-radius:0 14px 14px 0;color:#33403C;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:14px;border:1px solid var(--line);margin:1.6em auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  font-variant-numeric:tabular-nums;
}
.article-body thead th{background:#F0EFE9;font-weight:800}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body tbody tr:nth-child(even){background:#FAF9F6}
.article-body code{background:var(--line-soft);border-radius:6px;padding:2px 6px;font-size:.92em}
.article-body pre{background:var(--ink);color:#E9F2EE;padding:18px 20px;border-radius:14px;overflow:auto}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}
@media (max-width:768px){
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}

.empty-state{text-align:center;padding:36px 12px 12px}
.empty-state i{font-size:34px;color:var(--brand);opacity:.55}
.empty-state h2{font-size:24px;margin-top:18px}
.empty-state p{color:var(--muted);margin-top:12px}
.empty-state .btn-brand{margin-top:24px}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:22px;min-width:0}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
}
.side-title{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:800;margin-bottom:16px;
}
.side-card.is-dark{background:var(--ink);border-color:var(--ink);color:#DDE7E3}
.side-card.is-dark .side-title{color:rgba(233,242,238,.62)}
.side-card.is-dark .side-link{color:#E9F2EE}
.side-card.is-dark .side-link:hover{color:var(--lime)}
.side-card.is-dark p{color:rgba(233,242,238,.72);font-size:14.5px}
.side-link{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px solid var(--line-soft);
  color:var(--text);font-size:14.8px;font-weight:600;line-height:1.6;
}
.side-card.is-dark .side-link{border-bottom-color:rgba(255,255,255,.1)}
.side-link:last-of-type{border-bottom:none;padding-bottom:0}
.side-link:hover{color:var(--brand)}
.side-link .side-index{
  font-size:12px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;padding-top:3px;flex-shrink:0;
}
.side-card.is-dark .side-index{color:var(--lime)}
.side-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.side-thumb img{width:100%;height:100%;object-fit:cover}

/* ============ 相关推荐 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:991px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
@media (max-width:600px){.rel-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,101,90,.32)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--line-soft)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.rel-title{font-size:17px;font-weight:800;line-height:1.5;letter-spacing:-.02em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-desc{
  color:var(--muted);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:auto}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;
  padding:24px 44px 24px 0;position:relative;
  font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.02em;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q::after{
  content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-q::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 40px 24px 0;color:var(--muted);font-size:15.5px;line-height:1.85}
.faq-item.is-open{background:rgba(18,101,90,.03)}
@media (max-width:600px){
  .faq-q{font-size:16px;padding:20px 36px 20px 0}
  .faq-a-inner{padding:0 24px 20px 0;font-size:15px}
}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);color:#E9F2EE;border-radius:24px;
  padding:56px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(216,242,74,.18),transparent 68%);
}
.cta-band h2{color:#F3F8F6;font-size:clamp(24px,2.8vw,34px);letter-spacing:-.03em}
.cta-band p{color:rgba(233,242,238,.74);margin-top:14px;max-width:560px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-band .btn-ghost{border-color:rgba(233,242,238,.4);color:#E9F2EE}
.cta-band .btn-ghost:hover{background:rgba(233,242,238,.12);color:#fff}
@media (max-width:768px){.cta-band{padding:32px 22px;border-radius:18px}}

/* ============ 表单弹层 ============ */
.modal-backdrop{background:#0E1A18;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.modal-backdrop.show{opacity:.56}
#contactModal .modal-content{
  border:none;border-radius:20px;overflow:hidden;
  box-shadow:0 30px 70px -30px rgba(14,26,24,.6);
}
#contactModal .modal-header{
  border-bottom:1px solid var(--line);padding:24px 28px;align-items:flex-start;
}
#contactModal .modal-title{font-size:20px;font-weight:900;letter-spacing:-.025em}
#contactModal .modal-body{padding:24px 28px 28px}
#contactModal .modal-sub{color:var(--muted);font-size:14.5px;margin-top:8px}
#contactModal .btn-close{opacity:.5}
#contactModal .btn-close:hover{opacity:.9}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:8px;letter-spacing:.02em}
.form-input{
  width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:var(--r-input);background:var(--surface);color:var(--text);
  font-size:15px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-input::placeholder{color:#ADA99F}
.form-input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(18,101,90,.18);
}
.form-input.is-error{border-color:var(--coral);box-shadow:0 0 0 2px rgba(255,106,61,.16)}
textarea.form-input{min-height:104px;resize:vertical}
.field-error{display:none;color:var(--coral);font-size:12.5px;margin-top:7px;font-weight:600}
.field-error.is-shown{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7;cursor:pointer}
.check-row input{margin-top:4px;width:17px;height:17px;accent-color:var(--brand);flex-shrink:0}
.form-success{
  background:rgba(18,101,90,.07);border:1px solid rgba(18,101,90,.22);
  border-radius:14px;padding:26px 22px;text-align:center;
}
.form-success i{font-size:28px;color:var(--brand)}
.form-success h4{margin-top:14px;font-size:18px}
.form-success p{color:var(--muted);font-size:14.5px;margin-top:8px}
@media (max-width:600px){
  #contactModal .modal-header{padding:20px}
  #contactModal .modal-body{padding:18px 20px 22px}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(233,242,238,.78);padding:72px 0 0;margin-top:72px}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#F3F8F6;font-weight:900;font-size:17px;letter-spacing:-.03em;
}
.footer-brand svg{color:var(--lime)}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(233,242,238,.66);max-width:340px}
.footer-title{
  font-size:13px;letter-spacing:.15em;text-transform:uppercase;
  color:rgba(233,242,238,.55);font-weight:800;margin-bottom:18px;
}
.footer-link{
  display:block;color:rgba(233,242,238,.8);font-size:14.8px;
  padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(3px)}
.footer-info{font-size:14.5px;line-height:2;color:rgba(233,242,238,.66);margin:0}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13.5px;color:rgba(233,242,238,.55);
}
@media (max-width:768px){
  .site-footer{padding:48px 0 0;margin-top:48px}
  .footer-bottom{margin-top:32px;font-size:12.5px}
}

/* ============ 动效 ============ */
.js-on .reveal{opacity:0;transform:translateY(12px)}
.reveal{transition:opacity .55s var(--ease),transform .55s var(--ease)}
.js-on .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-on .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --brand:#12655A;
  --brand-dark:#0d4b43;
  --brand-soft:rgba(18,101,90,.08);
  --brand-line:rgba(18,101,90,.3);
  --ink:#0E1A18;
  --lime:#D8F24A;
  --coral:#FF6A3D;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E3E1DA;
  --text:#141A18;
  --muted:#5C6763;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(14,26,24,.04);
  --shadow-md:0 12px 32px -12px rgba(14,26,24,.12);
  --shadow-lg:0 18px 44px -16px rgba(14,26,24,.20);
  --ease:cubic-bezier(.2,.7,.2,1);
  --bs-primary:#12655A;
  --bs-primary-rgb:18,101,90;
  --bs-body-bg:#F6F5F1;
  --bs-body-color:#141A18;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-border-color:#E3E1DA;
  --bs-border-radius:12px;
  --bs-link-color:#12655A;
  --bs-link-hover-color:#0d4b43;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16.5px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}

.container{max-width:1200px;padding-left:20px;padding-right:20px}

/* ---------- 通用组件 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:700;font-size:15px;
  padding:13px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-x i{transition:transform .2s var(--ease)}
.btn-x-primary{background:var(--brand);color:#F6F5F1;box-shadow:var(--shadow-sm)}
.btn-x-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-x-primary:active{transform:translateY(0)}
.btn-x-primary:hover i{transform:translateX(4px)}
.btn-x-ghost{background:transparent;color:var(--ink);border-color:rgba(20,26,24,.28)}
.btn-x-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-x-lime{background:var(--lime);color:#12211C;border-color:transparent}
.btn-x-lime:hover{background:#e6ff5c;color:#0E1A18;transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(216,242,74,.7)}
.btn-x-onDark{background:transparent;color:#F2F1EC;border-color:rgba(255,255,255,.34)}
.btn-x-onDark:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-x:focus-visible{outline:2px solid rgba(18,101,90,.35);outline-offset:2px}

.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand);
  border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-x-lime{background:rgba(216,242,74,.18);color:#2c3a12;border:1px solid rgba(216,242,74,.7)}

.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:800;letter-spacing:.18em;color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:inline-block}
.sec-title{font-size:clamp(26px,3.2vw,40px);margin:14px 0 14px;letter-spacing:-.03em;font-weight:800}
.sec-sub{color:var(--muted);font-size:16px;max-width:640px}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,245,241,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  box-shadow:0 1px 2px rgba(14,26,24,.05),0 10px 26px -18px rgba(14,26,24,.35);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17.5px;letter-spacing:-.02em;white-space:nowrap}
.brand svg{color:var(--brand);flex:none}
.brand:hover{color:var(--brand)}
.nav-main{display:flex;align-items:center;gap:2px}
.nav-x-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:999px;
  color:var(--muted);font-size:15px;font-weight:600;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-x-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-x-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--lime));
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-x-link:hover::after{transform:scaleX(1)}
.nav-x-link.is-active{color:var(--brand)}
.nav-x-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand)}

.offcanvas.mobile-nav{background:var(--bg);width:min(380px,88vw);border-left:1px solid var(--line)}
.mobile-nav-head{display:flex;align-items:center;justify-content:space-between;padding:22px 22px 12px;border-bottom:1px solid var(--line)}
.mobile-nav-body{padding:16px 22px 0;display:flex;flex-direction:column;gap:4px}
.mobile-nav-body .nav-x-link{padding:14px 12px;font-size:16.5px;border-radius:12px}
.mobile-nav-foot{padding:22px;margin-top:auto}
.mobile-nav-foot .btn-x{width:100%}
.mobile-nav-note{font-size:13px;color:var(--muted);margin-top:12px}

/* ---------- 分类页 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);min-height:420px;display:flex;align-items:flex-end;padding:96px 0 54px}
.cat-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.cat-hero-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,26,24,.86) 0%,rgba(14,26,24,.58) 48%,rgba(14,26,24,.9) 100%);
}
.cat-hero-inner{position:relative;z-index:2;color:#F2F1EC}
.crumb{margin-bottom:22px}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(242,241,236,.7)}
.crumb li+li::before{content:"/";margin-right:8px;color:rgba(242,241,236,.4)}
.crumb a{color:rgba(242,241,236,.82)}
.crumb a:hover{color:var(--lime)}
.crumb li[aria-current]::before{content:"/";margin-right:8px}
.crumb li[aria-current]{color:rgba(242,241,236,.55)}
.hero-eyebrow{font-size:13px;font-weight:800;letter-spacing:.18em;color:var(--lime);text-transform:uppercase;margin-bottom:14px}
.cat-hero h1{
  font-size:clamp(34px,5vw,62px);font-weight:800;letter-spacing:-.035em;line-height:1.1;
  color:#fff;margin-bottom:16px;
}
.hero-sub{font-size:clamp(17px,2vw,21px);font-weight:700;color:#EDF3D9;margin-bottom:12px}
.hero-desc{max-width:620px;color:rgba(242,241,236,.78);font-size:15.5px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid rgba(255,255,255,.24);border-radius:999px;
  padding:7px 14px;font-size:13px;color:rgba(242,241,236,.9);
}
.hero-tags span i{color:var(--lime);font-size:11px}

/* ---------- 概览区 ---------- */
.overview-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:28px;align-items:stretch}
.overview-figure{
  position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-sm);min-height:320px;
}
.overview-figure img{width:100%;height:100%;min-height:320px;object-fit:cover;aspect-ratio:16/10}
.overview-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 24px;
  background:linear-gradient(180deg,rgba(14,26,24,0) 0%,rgba(14,26,24,.86) 100%);
  color:#F2F1EC;font-size:14.5px;
}
.overview-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.overview-list li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.overview-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.overview-list h3{font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.overview-list h3 i{color:var(--brand);font-size:15px}
.overview-list p{color:var(--muted);font-size:14.5px;margin:0}

/* ---------- 编号维度列表 ---------- */
.num-list{list-style:none;border-top:1px solid var(--line)}
.num-item{
  display:grid;grid-template-columns:72px 1fr;gap:24px;
  padding:28px 0;border-bottom:1px solid var(--line);position:relative;
  transition:background-color .2s var(--ease);
}
.num-item:hover{background:rgba(255,255,255,.7)}
.num-item::before{
  content:"";position:absolute;left:72px;top:34px;width:1px;height:calc(100% - 68px);
  background:linear-gradient(180deg,rgba(18,101,90,.28),rgba(18,101,90,0));opacity:.6;
}
.num-item .num{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:15px;color:var(--brand);letter-spacing:.08em;padding-top:4px;
}
.num-item h3{font-size:19px;margin-bottom:8px}
.num-item p{color:var(--muted);font-size:15px;margin:0}

/* ---------- 时间轴 ---------- */
.timeline{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;padding-top:26px}
.timeline::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--brand),rgba(18,101,90,.08))}
.tl-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.tl-step .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--lime);
  font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.tl-step h3{font-size:17px;margin-bottom:8px}
.tl-step p{color:var(--muted);font-size:14.5px;margin:0}

/* ---------- 场景区 ---------- */
.scene-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:26px;align-items:stretch}
.scene-feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
}
.scene-feature img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-feature-body{padding:28px 28px 30px}
.scene-feature-body h3{font-size:21px;margin-bottom:10px}
.scene-feature-body p{color:var(--muted);font-size:15px}
.scene-links{list-style:none;display:flex;flex-direction:column;gap:14px}
.scene-links li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px;box-shadow:var(--shadow-sm);flex:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-links li:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.scene-links .scene-tag{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--coral);display:block;margin-bottom:8px}
.scene-links h4{font-size:16.5px;margin-bottom:6px}
.scene-links p{color:var(--muted);font-size:14.5px;margin:0}

/* ---------- 数据表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm)}
.table-scroll{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
.data-table caption{
  text-align:left;padding:22px 24px 14px;font-size:14px;color:var(--muted);caption-side:top;
}
.data-table th{
  background:#f1f0ea;color:var(--muted);font-size:13px;letter-spacing:.06em;font-weight:800;text-align:left;
  padding:14px 24px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.data-table td{padding:15px 24px;border-bottom:1px solid var(--line);color:var(--text)}
.data-table td:last-child{color:var(--muted);font-size:14px}
.data-table tbody tr:nth-child(even){background:#faf9f5}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table tbody tr:hover{background:rgba(18,101,90,.04)}
.data-table .mono{font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 28px;box-shadow:var(--shadow-sm)}
.faq .accordion-item{background:transparent;border:none;border-top:1px solid var(--line)}
.faq .accordion-item:first-child{border-top:none}
.faq .accordion-button{
  position:relative;background:transparent;color:var(--text);
  font-size:17px;font-weight:700;letter-spacing:-.01em;
  padding:22px 52px 22px 4px;border-radius:0;box-shadow:none;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:rgba(18,101,90,.03)}
.faq .accordion-button:hover{color:var(--brand)}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid rgba(18,101,90,.28);outline-offset:-2px}
.faq .accordion-button::after{
  content:"";position:absolute;right:16px;top:50%;
  width:11px;height:11px;margin-top:-8px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  background-image:none;transform:rotate(45deg);
  transition:transform .24s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:-2px}
.faq .accordion-body{padding:0 52px 24px 4px;color:var(--muted);font-size:15.3px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#F2F1EC;
  border-radius:24px;padding:56px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,242,74,.16),rgba(216,242,74,0) 70%);
}
.cta-mark{font-size:13px;font-weight:800;letter-spacing:.18em;color:var(--lime);margin-bottom:16px}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);color:#fff;margin-bottom:14px;letter-spacing:-.03em}
.cta-band p{color:rgba(242,241,236,.74);font-size:15.5px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}
.cta-note{font-size:13px;color:rgba(242,241,236,.55);margin-top:14px}

/* ---------- 表单弹层 ---------- */
.modal-content{border:none;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.modal-header{border-bottom:1px solid var(--line);padding:24px 28px}
.modal-title{font-size:19px;font-weight:800}
.modal-header .btn-close{opacity:.55;transition:opacity .2s var(--ease)}
.modal-header .btn-close:hover{opacity:1}
.modal-body{padding:26px 28px 28px}
.modal-backdrop.show{opacity:.56;background:#0E1A18}
.form-label{font-size:13px;font-weight:700;color:var(--muted);margin-bottom:7px;letter-spacing:.02em}
.form-control-x{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-input);
  padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control-x::placeholder{color:#9aa39f}
.form-control-x:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,101,90,.18)}
.form-control-x.is-invalid{border-color:var(--coral);box-shadow:0 0 0 2px rgba(255,106,61,.16)}
.err-msg{display:none;font-size:12.5px;color:var(--coral);margin-top:6px}
.err-msg.show{display:block}
.form-check-x{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted)}
.form-check-x input{margin-top:5px;accent-color:var(--brand);width:16px;height:16px;flex:none}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:8px}
.form-success{text-align:center;padding:18px 6px 6px}
.form-success .success-icon{
  width:56px;height:56px;border-radius:50%;background:rgba(18,101,90,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;
}
.form-success h3{font-size:18px;margin-bottom:8px}
.form-success p{color:var(--muted);font-size:14.5px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E8E7E2;padding:72px 0 28px;margin-top:96px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff;margin-bottom:16px}
.footer-brand svg{color:var(--lime);flex:none}
.footer-desc{color:rgba(232,231,226,.64);font-size:14.5px;line-height:1.85;max-width:360px}
.footer-title{font-size:12.5px;font-weight:800;letter-spacing:.16em;color:rgba(232,231,226,.5);margin-bottom:16px}
.footer-link{display:block;color:rgba(232,231,226,.82);font-size:14.5px;padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-link:hover{color:var(--lime);transform:translateX(3px)}
.footer-info{color:rgba(232,231,226,.64);font-size:14px;line-height:1.95}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:22px;
  font-size:13px;color:rgba(232,231,226,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-x-link{padding:9px 11px;font-size:14.5px}
  .header-inner{gap:14px}
}
@media (max-width:991px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .cat-hero{min-height:340px;padding:76px 0 42px}
  .cat-hero h1{font-size:clamp(30px,7vw,34px)}
  .overview-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .num-item{grid-template-columns:52px 1fr;gap:16px}
  .num-item::before{left:52px}
  .faq-wrap{padding:6px 20px}
  .faq .accordion-button{font-size:16px;padding:20px 46px 20px 2px}
  .faq .accordion-body{padding:0 46px 22px 2px}
  .cta-band{grid-template-columns:1fr;padding:38px 26px;border-radius:20px}
  .site-footer{margin-top:56px;padding:56px 0 24px}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .brand{font-size:16px}
  .brand svg{width:20px;height:20px}
  .cat-hero{padding:64px 0 34px;min-height:300px}
  .hero-desc{font-size:14.5px}
  .timeline{grid-template-columns:1fr}
  .overview-list li,.scene-links li{padding:20px 18px}
  .num-item{padding:22px 0}
  .num-item h3{font-size:17.5px}
  .sec-title{font-size:26px}
  .modal-body{padding:20px}
  .modal-header{padding:20px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#12655A;
  --brand-dark:#0d4f46;
  --brand-soft:rgba(18,101,90,.08);
  --brand-line:rgba(18,101,90,.30);
  --ink:#141A18;
  --ink-2:#5C6763;
  --ink-3:#8A938F;
  --dark:#0E1A18;
  --dark-2:#132320;
  --lime:#D8F24A;
  --coral:#FF6A3D;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(14,26,24,.04), 0 12px 32px -12px rgba(14,26,24,.12);
  --shadow-2:0 2px 4px rgba(14,26,24,.05), 0 22px 48px -18px rgba(14,26,24,.20);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;

  --bs-body-font-family:var(--font-cn);
  --bs-body-color:#141A18;
  --bs-body-bg:#F6F5F1;
  --bs-primary:#12655A;
  --bs-primary-rgb:18,101,90;
  --bs-link-color:#12655A;
  --bs-link-hover-color:#0d4f46;
  --bs-border-color:#E3E1DA;
  --bs-border-radius:12px;
  --bs-font-sans-serif:var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,245,241,.90);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  box-shadow:0 8px 28px -18px rgba(14,26,24,.35);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  white-space:nowrap;flex-shrink:0;
}
.brand:hover{color:var(--brand);}
.brand svg{color:var(--brand);flex-shrink:0;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-x-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-x-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-x-link:hover{color:var(--ink);background:rgba(18,101,90,.06);}
.nav-x-link:hover::after{transform:scaleX(1);}
.nav-x-link.is-active{color:var(--brand);font-weight:700;background:rgba(18,101,90,.08);}
.nav-x-link.is-active::after{transform:scaleX(1);}
.header-cta{margin-left:12px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--ink);cursor:pointer;transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-line);}
.nav-toggle svg{pointer-events:none;}

/* Drawer */
.nav-drawer{position:fixed;inset:0;z-index:1060;visibility:hidden;pointer-events:none;}
.nav-drawer.is-open{visibility:visible;pointer-events:auto;}
.nav-drawer-mask{
  position:absolute;inset:0;background:rgba(14,26,24,.56);
  opacity:0;transition:opacity .26s var(--ease);
  backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);
}
.nav-drawer.is-open .nav-drawer-mask{opacity:1;}
.nav-drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);
  background:#fff;display:flex;flex-direction:column;
  padding:22px 22px 28px;gap:6px;
  transform:translateX(102%);transition:transform .28s var(--ease);
  box-shadow:-20px 0 50px -24px rgba(14,26,24,.4);
}
.nav-drawer.is-open .nav-drawer-panel{transform:translateX(0);}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.nav-drawer-nav{display:flex;flex-direction:column;margin-bottom:18px;}
.nav-drawer-nav a{
  padding:14px 4px;border-bottom:1px solid var(--line);
  color:var(--ink);font-size:16px;font-weight:600;
}
.nav-drawer-nav a.is-active{color:var(--brand);}
.nav-drawer-nav a:hover{color:var(--brand);}

/* ============ Buttons ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#F6F5F1;
  border:1px solid var(--brand);border-radius:var(--radius-md);
  padding:12px 22px;font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;transition:all .2s var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);
  border:1px solid rgba(20,26,24,.20);border-radius:var(--radius-md);
  padding:12px 22px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost.on-dark{color:#F6F5F1;border-color:rgba(246,245,241,.35);}
.btn-ghost.on-dark:hover{color:var(--lime);border-color:var(--lime);background:rgba(216,242,74,.10);}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:15px;color:var(--brand);
}
.btn-link-arrow svg{transition:transform .2s var(--ease);}
.btn-link-arrow:hover svg{transform:translateX(4px);}

/* ============ Hero (category) ============ */
.cat-hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--dark);color:#F6F5F1;
  padding:80px 0 68px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(14,26,24,.92) 0%,rgba(14,26,24,.78) 45%,rgba(14,26,24,.58) 100%);
}
.cat-hero .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,245,241,.62);margin-bottom:22px;}
.cat-hero .crumbs a{color:rgba(246,245,241,.78);}
.cat-hero .crumbs a:hover{color:var(--lime);}
.cat-hero .crumbs span.sep{opacity:.5;}
.cat-hero .crumbs .current{color:rgba(246,245,241,.95);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(216,242,74,.5);
  background:rgba(216,242,74,.10);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:20px;
}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,52px);font-weight:900;
  letter-spacing:-.035em;line-height:1.16;max-width:900px;
}
.cat-hero h1 em{font-style:normal;color:var(--lime);}
.cat-hero .hero-sub{
  margin-top:18px;font-size:17px;line-height:1.85;
  color:rgba(246,245,241,.80);max-width:680px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;margin-top:48px;
  background:rgba(246,245,241,.14);
  border:1px solid rgba(246,245,241,.14);
  border-radius:var(--radius-lg);overflow:hidden;
}
.hero-stat{background:rgba(14,26,24,.55);padding:20px 22px;}
.hero-stat .num{
  font-size:clamp(26px,3vw,36px);font-weight:900;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.1;
}
.hero-stat .num small{font-size:14px;font-weight:700;margin-left:2px;color:var(--lime);}
.hero-stat .lbl{margin-top:6px;font-size:13px;color:rgba(246,245,241,.70);}

/* ============ Sections ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{background:var(--dark);color:rgba(246,245,241,.78);}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.section-dark .eyebrow{color:var(--lime);}
.section-head h2{font-size:clamp(26px,3.2vw,40px);letter-spacing:-.035em;}
.section-head .lead{margin-top:14px;font-size:16.5px;color:var(--ink-2);}
.section-dark .section-head .lead{color:rgba(246,245,241,.72);}

/* Feature list */
.feature-list{display:flex;flex-direction:column;gap:14px;}
.feature-item{
  display:grid;grid-template-columns:76px minmax(0,1fr) 260px;
  gap:26px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 28px;
  box-shadow:var(--shadow-1);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-item:hover{border-color:var(--brand-line);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.feature-no{
  font-size:15px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
  padding-top:2px;border-left:2px solid var(--brand-line);padding-left:12px;
}
.feature-body h3{font-size:20px;margin-bottom:8px;}
.feature-body p{font-size:15.5px;color:var(--ink-2);}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-block;padding:3px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;
}
.feature-thumb{
  border-radius:var(--radius-md);overflow:hidden;
  aspect-ratio:16/10;background:var(--bg);
}
.feature-thumb img{width:100%;height:100%;object-fit:cover;}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px 24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-3px);border-color:var(--brand-line);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);color:#fff;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.step h3{font-size:17.5px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);}
.step::after{
  content:"";position:absolute;top:46px;right:-14px;width:14px;height:1px;
  background:var(--line);
}
.steps .step:last-child::after{display:none;}

/* Split block */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-2);}
.split-media img{width:100%;height:100%;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:0;}
.check-item{
  display:grid;grid-template-columns:26px minmax(0,1fr);gap:16px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.check-item:first-child{padding-top:0;}
.check-item:last-child{border-bottom:none;padding-bottom:0;}
.check-item .dot{
  width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-top:4px;
}
.check-item h3{font-size:16.5px;margin-bottom:4px;}
.check-item p{font-size:14.5px;color:var(--ink-2);}

/* Scenes */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene{
  background:var(--dark-2);border:1px solid rgba(246,245,241,.10);
  border-radius:var(--radius-lg);padding:30px 26px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.scene:hover{transform:translateY(-3px);border-color:rgba(216,242,74,.4);background:#162926;}
.scene .scene-kicker{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lime);margin-bottom:16px;
}
.scene h3{font-size:18.5px;color:#fff;margin-bottom:10px;}
.scene p{font-size:14.5px;color:rgba(246,245,241,.72);}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  background:transparent;border:0;padding:24px 4px;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;
  letter-spacing:-.01em;transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-chev{
  flex-shrink:0;width:26px;height:26px;margin-top:3px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);transition:transform .24s var(--ease);
}
.faq-item.is-open .faq-chev{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-item.is-open .faq-a{background:rgba(18,101,90,.03);}
.faq-a-inner{padding:0 46px 24px 4px;font-size:15.5px;color:var(--ink-2);}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:24px;
  padding:56px 54px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
}
.cta-panel::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(216,242,74,.16),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(24px,2.6vw,32px);color:#fff;letter-spacing:-.03em;}
.cta-panel p{margin-top:12px;font-size:15.5px;color:rgba(246,245,241,.72);max-width:560px;}
.cta-note{margin-top:16px;font-size:13px;color:rgba(246,245,241,.55);}

/* Modal */
.modal-content{border:none;border-radius:20px;box-shadow:0 30px 70px -30px rgba(14,26,24,.6);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px;}
.modal-title{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.modal-body{padding:24px 26px 28px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px;}
.form-field .req{color:var(--coral);margin-left:2px;}
.form-control{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 14px;font-size:15px;background:#fff;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control:focus{
  border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,101,90,.18);
  outline:none;background:#fff;
}
.form-control.is-invalid,.was-validated .form-control:invalid{
  border-color:var(--coral);box-shadow:none;
}
.was-validated .form-control:invalid:focus{box-shadow:0 0 0 2px rgba(255,106,61,.18);}
.invalid-feedback{font-size:12.5px;color:var(--coral);}
.form-check-input{border-color:var(--line);}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 2px rgba(18,101,90,.18);border-color:var(--brand);}
.form-check-label{font-size:13.5px;color:var(--ink-2);}
.form-success{
  text-align:center;padding:26px 10px 10px;
}
.form-success .ok{
  width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
}
.form-success h3{font-size:18px;margin-bottom:8px;}
.form-success p{font-size:14.5px;color:var(--ink-2);}

/* Footer */
.site-footer{background:var(--dark);color:rgba(246,245,241,.70);padding:72px 0 30px;margin-top:0;}
.footer-brand{
  display:flex;align-items:center;gap:9px;
  font-size:17px;font-weight:800;color:#fff;letter-spacing:-.02em;margin-bottom:16px;
}
.footer-brand svg{color:var(--lime);flex-shrink:0;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(246,245,241,.62);max-width:340px;}
.footer-title{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(246,245,241,.95);
  text-transform:uppercase;margin-bottom:16px;
}
.footer-link{
  display:block;font-size:14.5px;color:rgba(246,245,241,.66);
  padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(3px);}
.footer-info{font-size:14px;line-height:2;color:rgba(246,245,241,.62);}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,245,241,.50);
}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .feature-item{grid-template-columns:76px minmax(0,1fr) 220px;gap:22px;}
}
@media (max-width:991.98px){
  .nav-main,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .cat-hero{padding:56px 0 48px;}
  .cat-hero h1{font-size:clamp(26px,6vw,34px);}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:36px;}
  .section{padding:60px 0;}
  .section.tight{padding:52px 0;}
  .section-head{margin-bottom:32px;}
  .feature-item{grid-template-columns:1fr;gap:16px;padding:24px 20px;}
  .feature-no{border-left:none;padding-left:0;border-bottom:2px solid var(--brand-line);display:inline-block;padding-bottom:6px;}
  .feature-thumb{display:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .step::after{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-media{aspect-ratio:16/10;}
  .scene-grid{grid-template-columns:1fr;gap:16px;}
  .cta-panel{grid-template-columns:1fr;padding:38px 26px;border-radius:20px;gap:24px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat{padding:16px 18px;}
  .steps{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:20px 2px;}
  .faq-a-inner{padding:0 2px 20px 2px;}
  .modal-header{padding:18px 20px;}
  .modal-body{padding:20px 20px 24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}