/* roulang page: index */
:root{
  --ink:#123F37;
  --ink-dark:#0F1513;
  --accent:#EA5A2B;
  --accent-dark:#cf4a1f;
  --cyan:#0FA98A;
  --bg:#F5F3EE;
  --card:#FFFFFF;
  --text:#1B211E;
  --muted:#5B615E;
  --border:#E7E3DA;
  --hair:#EFECE5;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,21,19,.05);
  --sh-2:0 12px 32px rgba(15,21,19,.10);
  --sh-3:0 24px 60px rgba(15,21,19,.14);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:1;
  padding:5px 10px;border-radius:var(--r-sm);
  background:rgba(18,63,55,.08);color:var(--ink);
  font-weight:600;letter-spacing:.02em;
}
.badge--cyan{background:rgba(15,169,138,.12);color:#0b7a64;}
.badge--accent{background:rgba(234,90,43,.12);color:var(--accent-dark);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--accent);color:#fff;}
.btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(234,90,43,.26);}
.btn--primary:active{transform:translateY(0);box-shadow:none;}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:rgba(18,63,55,.06);color:var(--ink);border-color:var(--ink);}
.btn--ghost:active{background:rgba(18,63,55,.12);}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{background:#fff;color:var(--accent);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid rgba(18,63,55,.35);padding-bottom:2px;
}
.text-link i{font-style:normal;transition:transform .2s ease;}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent);}
.text-link:hover i{transform:translateX(3px);}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--cyan);text-transform:none;margin-bottom:12px;
}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(15,21,19,.07);}
.header-inner{
  display:grid;grid-template-columns:auto minmax(300px,40%) auto;
  align-items:center;gap:24px;height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--ink);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-family:var(--serif);font-weight:800;font-size:17px;line-height:1.15;
  letter-spacing:.01em;display:flex;flex-direction:column;
}
.brand-sub{font-family:var(--sans);font-size:11px;font-weight:400;letter-spacing:.18em;color:var(--muted);}
.nav-search{
  display:flex;align-items:center;gap:8px;height:48px;
  padding:0 6px 0 16px;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:hover{border-color:#cfc9bc;}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,63,55,.12);}
.nav-search__icon{flex:0 0 auto;color:var(--muted);}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  outline:none;font-size:15px;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search__btn{
  flex:0 0 auto;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:13px;font-weight:600;
  transition:background-color .2s ease;
}
.nav-search__btn:hover{background:#0c2e28;}
.nav-links{display:flex;align-items:center;gap:20px;justify-self:end;}
.nav-links a.nav-item{
  position:relative;font-size:15px;color:var(--text);padding:4px 0;
}
.nav-links a.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a.nav-item:hover::after,.nav-links a.nav-item.is-active::after{transform:scaleX(1);}
.nav-links a.nav-item.is-active{color:var(--ink);font-weight:700;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);
  display:none;place-items:center;color:var(--ink);
  border:1px solid var(--border);background:#fff;
}
.icon-btn:hover{background:rgba(18,63,55,.05);}
.mobile-only{display:none;}

/* mobile drawer */
.mobile-drawer{
  display:none;border-top:1px solid var(--border);
  background:#fff;padding:8px 0 16px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .container{display:flex;flex-direction:column;gap:2px;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;font-size:16px;border-bottom:1px solid var(--hair);
}
.mobile-drawer a span{color:var(--muted);font-size:13px;}
.mobile-drawer .btn{margin-top:16px;}

/* search layer */
.search-layer{
  position:fixed;inset:0;z-index:90;background:rgba(15,21,19,.55);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  display:none;padding:88px 20px 20px;
}
.search-layer.is-open{display:block;}
.search-layer__panel{
  max-width:640px;margin:0 auto;background:#fff;border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-3);
}
.search-layer__field{
  display:flex;align-items:center;gap:10px;height:52px;padding:0 16px;
  border:1px solid var(--border);border-radius:var(--r-md);background:#fff;
}
.search-layer__field:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,63,55,.12);}
.search-layer__field input{flex:1;border:0;outline:none;background:transparent;font-size:15px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{
  padding:8px 14px;border-radius:var(--r-pill);font-size:13px;
  background:var(--bg);border:1px solid var(--border);color:var(--muted);
}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.search-layer__close{
  margin-top:20px;width:100%;height:46px;border-radius:var(--r-md);
  border:1px solid var(--border);font-weight:600;color:var(--muted);
}
.search-layer__close:hover{color:var(--ink);border-color:var(--ink);}

/* ---------- anchor nav ---------- */
.anchor-nav{
  position:sticky;top:var(--header-h);z-index:50;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.anchor-nav__inner{
  display:flex;align-items:center;gap:30px;height:56px;
  overflow-x:auto;scrollbar-width:none;
}
.anchor-nav__inner::-webkit-scrollbar{display:none;}
.anchor-nav a{
  position:relative;font-size:14px;color:var(--muted);white-space:nowrap;
  padding:18px 0;border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.anchor-nav a:hover{color:var(--ink);}
.anchor-nav a.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--accent);}

/* ---------- hero ---------- */
.hero{
  padding:72px 0 80px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--border);
}
.hero-inner{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink);
  background:rgba(15,169,138,.12);border-radius:var(--r-pill);
  padding:7px 14px;margin-bottom:20px;
}
.hero h1{
  font-family:var(--serif);font-weight:800;
  font-size:clamp(34px,5vw,58px);line-height:1.15;letter-spacing:-.01em;
  color:var(--ink-dark);
}
.hero-sub{
  margin-top:18px;font-size:17px;color:var(--muted);max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;
  padding-top:24px;border-top:1px solid var(--border);
}
.hero-facts li{font-size:13px;color:var(--muted);}
.hero-facts b{
  display:block;font-family:var(--mono);font-size:24px;font-weight:700;
  color:var(--ink);line-height:1.2;
}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:48px 22px 18px;color:#fff;font-size:13px;
  background:linear-gradient(180deg,rgba(15,21,19,0) 0%,rgba(15,21,19,.82) 100%);
}
.hero-media__caption strong{display:block;font-family:var(--serif);font-size:17px;font-weight:700;margin-bottom:4px;}

/* ---------- section base ---------- */
.section{padding:96px 0;border-bottom:1px solid var(--hair);}
.section--tint{background:#fff;}
.section--dark{background:var(--ink-dark);color:#fff;border-bottom:0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(24px,3vw,34px);line-height:1.25;color:var(--ink);
}
.section-head h3{
  font-family:var(--serif);font-weight:600;font-size:20px;color:var(--ink);
}
.section-lead{margin-top:14px;color:var(--muted);font-size:16px;}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}
.section-foot{margin-top:32px;}
[data-section]{scroll-margin-top:150px;}

/* ---------- value ---------- */
.value-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
.value-side{display:grid;gap:24px;}
.value-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,63,55,.2);}
.value-card h3{font-family:var(--serif);font-weight:700;font-size:20px;color:var(--ink);margin-bottom:12px;}
.value-card p{color:var(--muted);font-size:15px;}
.value-card--main{
  background:var(--ink);border-color:var(--ink);color:#fff;
  padding:36px;
}
.value-card--main h3{color:#fff;font-size:24px;}
.value-card--main p{color:rgba(255,255,255,.78);}
.value-list{margin-top:20px;display:grid;gap:12px;}
.value-list li{
  display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.86);
  padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12);
}
.value-list li:last-child{border-bottom:0;padding-bottom:0;}
.value-list li em{font-style:normal;font-family:var(--mono);color:var(--accent);font-weight:700;flex:0 0 auto;}
.value-side .value-card:nth-child(2){transform:translateY(20px);}
.value-side .value-card:nth-child(2):hover{transform:translateY(16px);}

/* ---------- demo ---------- */
.demo-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
.demo-points{display:grid;gap:18px;margin-top:24px;}
.demo-points li{display:flex;gap:14px;font-size:15px;color:var(--muted);}
.demo-points .dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(18,63,55,.08);color:var(--ink);
  display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:700;
}
.demo-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/9;background:var(--ink-dark);box-shadow:var(--sh-2);
}
.demo-media img{width:100%;height:100%;object-fit:cover;}
.demo-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(15,21,19,.55) 0%,rgba(18,63,55,.72) 100%);
}
.demo-media__inner{
  position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;color:#fff;text-align:center;padding:20px;
}
.demo-play{
  width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.94);
  display:grid;place-items:center;color:var(--ink);
  transition:transform .24s ease,background-color .24s ease;
}
.demo-play:hover{transform:scale(1.06);background:#fff;}
.demo-media__inner span{font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.86);}

/* ---------- proof ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--border);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;margin-bottom:40px;
}
.stat{background:#fff;padding:28px 24px;}
.stat b{
  display:block;font-family:var(--mono);font-weight:700;
  font-size:clamp(28px,3vw,38px);line-height:1;color:var(--ink);
}
.stat b i{font-style:normal;font-size:15px;color:var(--muted);margin-left:4px;}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted);}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.quote-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
}
.quote-card__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  background:var(--ink);color:#fff;display:grid;place-items:center;
  font-family:var(--serif);font-weight:700;font-size:16px;
}
.quote-card__head strong{display:block;font-size:14px;color:var(--ink);}
.quote-card__head em{font-style:normal;font-size:12px;color:var(--muted);}
.quote-card p{
  font-size:15px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,63,55,.2);}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-card__media{
  aspect-ratio:16/9;background:var(--ink);overflow:hidden;margin:0;position:relative;
}
.news-card__media img{width:100%;height:100%;object-fit:cover;}
.news-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card__title{
  font-family:var(--serif);font-size:17px;font-weight:700;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__excerpt{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  margin-top:auto;font-family:var(--mono);font-size:12px;color:var(--muted);
  padding-top:10px;border-top:1px solid var(--hair);
}
.news-empty{
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);
  padding:52px 24px;text-align:center;box-shadow:var(--sh-1);
}
.news-empty svg{color:var(--muted);margin:0 auto 14px;}
.news-empty p{color:var(--muted);font-size:15px;margin-bottom:16px;}

/* ---------- pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.price-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.price-card--featured{
  border:1px solid var(--ink);border-width:2px;
  transform:translateY(-8px);
  box-shadow:0 18px 44px rgba(15,21,19,.12);
}
.price-card--featured:hover{transform:translateY(-12px);}
.price-card h3{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--ink);}
.price-card__note{margin-top:8px;font-size:13px;color:var(--muted);}
.price-value{
  margin:22px 0 8px;font-family:var(--mono);font-weight:700;
  font-size:40px;line-height:1;color:var(--ink);
}
.price-value i{font-style:normal;font-size:14px;font-weight:500;color:var(--muted);margin-left:6px;}
.price-list{display:grid;gap:12px;margin:22px 0 28px;}
.price-list li{
  display:flex;gap:10px;font-size:14px;color:var(--muted);
  padding-bottom:12px;border-bottom:1px solid var(--hair);
}
.price-list li:last-child{border-bottom:0;padding-bottom:0;}
.price-list li::before{content:"—";color:var(--cyan);flex:0 0 auto;}
.price-card .btn{width:100%;margin-top:auto;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.faq-accordion{border-top:1px solid var(--border);}
.faq-accordion .accordion-item{
  border:0;border-bottom:1px solid var(--border);background:transparent;
  border-left:3px solid transparent;transition:border-color .2s ease,background-color .2s ease;
}
.faq-accordion .accordion-item.is-active{
  border-left-color:var(--accent);background:rgba(234,90,43,.04);
}
.faq-accordion .accordion-title{
  display:flex;align-items:center;min-height:64px;
  padding:14px 52px 14px 22px;
  font-family:var(--sans);font-size:16px;font-weight:600;color:var(--ink);
  background:transparent;border:0;line-height:1.5;
}
.faq-accordion .accordion-title:hover{color:var(--accent);}
.faq-accordion .accordion-title::before{
  font-family:var(--mono);font-size:20px;font-weight:500;color:var(--ink);
  right:22px;transition:transform .24s ease,color .24s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  transform:rotate(45deg);color:var(--accent);
}
.faq-accordion .accordion-content{
  padding:0 24px 22px 22px;color:var(--muted);font-size:15px;
  background:transparent;border:0;
}
.faq-accordion .accordion-content p{margin-bottom:10px;}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- cta band ---------- */
.cta-band{background:#E9EFEC;padding:72px 0;border-top:1px solid var(--border);}
.cta-band__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{
  font-family:var(--serif);font-weight:700;font-size:clamp(22px,2.6vw,30px);
  color:var(--ink);line-height:1.3;
}
.cta-band p{margin-top:10px;color:var(--muted);font-size:15px;max-width:42em;}
.cta-band__actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-dark);color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-brand .brand-mark{background:var(--accent);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:30em;}
.footer-col h3{
  font-family:var(--serif);font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:var(--accent);text-decoration:underline;}
.footer-col p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:8px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:70;
  display:flex;align-items:center;gap:8px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta__pill{
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 14px 30px rgba(234,90,43,.34);
}
.float-cta__pill:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);}
.float-cta__dot{
  width:8px;height:8px;border-radius:50%;background:#fff;flex:0 0 auto;
}
.float-cta__close{
  width:32px;height:32px;border-radius:50%;background:#fff;color:var(--muted);
  border:1px solid var(--border);line-height:1;font-size:16px;
  box-shadow:var(--sh-1);
}
.float-cta__close:hover{color:var(--ink);}
.float-cta.is-hidden{display:none;}

/* ---------- motion ---------- */
html.js-anim .reveal{opacity:0;transform:translateY(16px);}
html.js-anim .reveal.is-visible{
  opacity:1;transform:none;
  transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  html.js-anim .reveal{opacity:1;transform:none;}
  .btn,.value-card,.news-card,.price-card,.float-cta{transition:none !important;}
  .value-side .value-card:nth-child(2){transform:none;}
  .price-card--featured{transform:none;}
}

/* ---------- responsive ---------- */
@media (min-width:1024px){
  .hero-inner{grid-template-columns:6fr 6fr;gap:56px;}
  .demo-grid{grid-template-columns:5fr 7fr;}
}
@media (min-width:1440px){
  .container{max-width:1320px;}
}
@media (max-width:1023px){
  .header-inner{grid-template-columns:auto auto;justify-content:space-between;}
  .nav-search__btn{display:none;}
  .nav-links{display:none;}
  .icon-btn{display:grid;}
  .mobile-only{display:grid;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .pricing-grid{grid-template-columns:1fr;gap:20px;}
  .price-card--featured{transform:none;}
  .price-card--featured:hover{transform:translateY(-4px);}
  .value-grid{grid-template-columns:1fr;}
  .value-side{grid-template-columns:repeat(2,1fr);}
  .value-side .value-card:nth-child(2){transform:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  :root{--header-h:60px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 56px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .nav-search{display:none;}
  .anchor-nav a{padding:16px 0;}
  .news-grid{grid-template-columns:1fr;}
  .value-side{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .stat{padding:22px 18px;}
  .section-head--row{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .float-cta{
    left:0;right:0;bottom:0;gap:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(15,21,19,.94);
  }
  .float-cta__pill{
    width:100%;justify-content:center;height:56px;border-radius:var(--r-md);
    box-shadow:none;
  }
  .float-cta__close{display:none;}
  body{padding-bottom:76px;}
}
@media (max-width:1023px){
  .search-layer{padding:72px 16px 16px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#123F37;
  --c-primary-deep:#0d2f29;
  --c-primary-soft:rgba(18,63,55,.08);
  --c-accent:#EA5A2B;
  --c-accent-hover:#cf4d22;
  --c-mint:#0FA98A;
  --c-dark:#0F1513;
  --bg:#F5F3EE;
  --card:#FFFFFF;
  --text:#1B211E;
  --text-2:#5B615E;
  --text-3:#8b918d;
  --line:#E7E3DA;
  --line-soft:#EFECE5;
  --r-xs:6px;
  --r-sm:12px;
  --r-md:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,21,19,.05);
  --sh-2:0 12px 32px rgba(15,21,19,.10);
  --sh-3:0 24px 60px rgba(15,21,19,.14);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:76px;
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px;
}

*,*::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(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--c-primary);line-height:1.25;}
h1{font-size:clamp(34px,5vw,62px);font-weight:800;letter-spacing:-.01em;line-height:1.15;}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--white{background:#fff;}
.section--line{border-top:1px solid var(--line);}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-mint);letter-spacing:.08em;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(234,90,43,.22);}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(234,90,43,.26);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn--ghost-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.48);color:#fff;}
.btn--ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--pill{border-radius:var(--r-pill);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(18,63,55,.35);padding-bottom:2px;}
.link-arrow i{font-style:normal;transition:transform .2s ease;}
.link-arrow:hover{color:var(--c-accent);border-color:var(--c-accent);}
.link-arrow:hover i{transform:translateX(3px);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

/* ---------- badges / chips ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-xs);font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary);}
.badge--mint{background:rgba(15,169,138,.16);color:#6edcbe;}
.badge--accent{background:rgba(234,90,43,.12);color:var(--c-accent);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:14px;color:var(--text-2);}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:24px;height:var(--header-h);}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-primary);}
.brand-mark{width:38px;height:38px;flex:0 0 auto;border-radius:11px;background:var(--c-primary);color:#fff;display:grid;place-items:center;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-family:var(--serif);font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1;}
.brand-sub{display:block;font-family:var(--sans);font-size:11px;font-weight:400;color:var(--text-2);letter-spacing:.14em;margin-top:3px;}
.nav-search{position:relative;display:flex;align-items:center;width:100%;max-width:520px;justify-self:center;height:48px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding-right:6px;transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:hover{border-color:rgba(18,63,55,.32);}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,63,55,.12);}
.nav-search__icon{position:absolute;left:18px;display:grid;place-items:center;color:var(--text-2);pointer-events:none;}
.nav-search input[type=search]{flex:1;height:100%;margin:0;border:0;background:transparent;box-shadow:none;padding:0 12px 0 48px;font-size:15px;color:var(--text);outline:none;}
.nav-search input[type=search]::placeholder{color:#9aa09c;}
.nav-search__btn{height:38px;padding:0 18px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;transition:background-color .2s ease;}
.nav-search__btn:hover{background:var(--c-primary-deep);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-item{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:var(--r-xs);font-size:15px;color:var(--c-primary);}
.nav-item:hover{color:var(--c-accent);background:rgba(18,63,55,.05);}
.nav-item.is-active{font-weight:700;}
.nav-item.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--c-accent);}
.nav-links .btn{margin-left:8px;}
.search-toggle,.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--c-primary);font-size:17px;}
.search-toggle:hover,.nav-toggle:hover{border-color:var(--c-primary);}
.header-tools{display:none;align-items:center;gap:8px;}

/* ---------- search layer ---------- */
.search-layer{position:fixed;inset:0;z-index:120;background:var(--bg);display:none;padding:24px;flex-direction:column;gap:20px;}
.search-layer.is-open{display:flex;}
.search-layer__top{display:flex;align-items:center;gap:12px;}
.search-layer__form{flex:1;position:relative;display:flex;align-items:center;background:#fff;border:1px solid var(--c-primary);border-radius:var(--r-pill);height:52px;box-shadow:0 0 0 3px rgba(18,63,55,.10);}
.search-layer__form i{position:absolute;left:18px;color:var(--text-2);}
.search-layer__form input{flex:1;height:100%;margin:0;border:0;background:transparent;box-shadow:none;padding:0 18px 0 48px;font-size:15px;outline:none;}
.search-layer__cancel{height:52px;padding:0 8px;border:0;background:transparent;color:var(--c-primary);font-size:15px;font-weight:600;}
.search-layer__chips{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:14px;color:var(--text-2);}
.search-layer__chips a{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:14px;}
.search-layer__chips a:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-dark);padding:56px 0 72px;}
.page-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.page-hero__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,21,19,.9) 0%,rgba(15,21,19,.74) 45%,rgba(18,63,55,.88) 100%);}
.page-hero__inner{position:relative;z-index:2;color:#fff;max-width:900px;}
.breadcrumb{margin-bottom:28px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);}
.breadcrumb li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.34);}
.breadcrumb li:last-child::after{content:"";margin:0;}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb [aria-current]{color:#fff;}
.page-hero h1{color:#fff;margin:20px 0 18px;}
.page-hero .lead{color:rgba(255,255,255,.82);font-size:17px;max-width:680px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.hero-chips li{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.07);font-size:13px;color:rgba(255,255,255,.86);}

/* ---------- quick facts strip ---------- */
.fact-strip{position:relative;z-index:3;margin-top:-36px;}
.fact-strip__inner{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);}
.fact{background:#fff;padding:24px;display:flex;flex-direction:column;gap:6px;}
.fact__num{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--c-primary);letter-spacing:-.02em;}
.fact__num span{font-size:15px;color:var(--text-2);margin-left:4px;font-family:var(--sans);}
.fact__label{font-size:14px;color:var(--text-2);}

/* ---------- steps ---------- */
.steps{margin-top:8px;max-width:880px;}
.step{position:relative;padding:0 0 36px 84px;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:23px;top:56px;bottom:6px;width:2px;background:var(--line);}
.step:last-child::before{display:none;}
.step__num{position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-size:17px;font-weight:700;}
.step__body h3{margin-bottom:8px;}
.step__body p{color:var(--text-2);font-size:15px;max-width:640px;}
.step__meta{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--c-mint);font-weight:600;}

/* ---------- z rows ---------- */
.zrow{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zrow + .zrow{margin-top:80px;}
.zrow__text h2{margin-bottom:16px;}
.zrow__text p{color:var(--text-2);margin-bottom:16px;}
.zrow__list li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--text-2);font-size:15px;}
.zrow__list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-mint);}
.zrow__media{position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:var(--c-primary);}
.zrow__media img{width:100%;height:100%;object-fit:cover;}
.zrow__media figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;background:linear-gradient(180deg,rgba(15,21,19,0),rgba(15,21,19,.78));color:rgba(255,255,255,.9);font-size:13px;}
.zrow--reverse .zrow__text{order:2;}
.zrow--reverse .zrow__media{order:1;}

/* ---------- XY grid override ---------- */
.grid-x.grid-margin-x{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:0;}
.grid-x.grid-margin-x > .cell{width:auto !important;padding:0 !important;margin:0 !important;float:none;}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;height:100%;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,63,55,.22);}
.card__icon{width:44px;height:44px;border-radius:var(--r-sm);background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:18px;margin-bottom:18px;transition:background-color .24s ease,color .24s ease;}
.card:hover .card__icon{background:var(--c-primary);color:#fff;}
.card h3{margin-bottom:10px;font-size:18px;}
.card p{color:var(--text-2);font-size:15px;}
.card__foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);}
.card__foot .link-arrow{font-size:14px;}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px;}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);}
.quote__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.quote__avatar{width:44px;height:44px;border-radius:50%;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:17px;font-weight:700;flex:0 0 auto;}
.quote__name{font-weight:600;font-size:15px;color:var(--text);}
.quote__tag{font-size:12px;color:var(--text-2);}
.quote p{color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- FAQ ---------- */
.accordion{margin:0;border:none;background:transparent;}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;box-shadow:var(--sh-1);}
.accordion-item:hover{box-shadow:var(--sh-2);border-color:rgba(18,63,55,.2);}
.accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:14px 24px;border:none;background:transparent;font-family:var(--sans);font-size:16px;font-weight:600;color:var(--text);line-height:1.5;}
.accordion-title:hover{background:rgba(18,63,55,.03);color:var(--text);}
.accordion-title::before{content:"+";position:static;float:none;order:2;margin:0;width:auto;height:auto;line-height:1;font-size:24px;font-weight:400;color:var(--c-accent);transition:transform .24s ease;}
.accordion-title.is-active::before{transform:rotate(45deg);}
.accordion-title span{order:1;}
.accordion-content{padding:0 24px 22px;border:none;color:var(--text-2);font-size:15px;line-height:1.8;}
.accordion-item:has(.accordion-title.is-active){border-color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-accent),var(--sh-1);}

/* ---------- CTA band ---------- */
.cta-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0;}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-band h2{max-width:520px;}
.cta-band p{color:var(--text-2);margin-top:14px;max-width:560px;}
.cta-band__actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.site-footer .brand{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.12);}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.5);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:330px;}
.footer-col h3{color:#fff;font-family:var(--sans);font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:8px;}
.site-footer a{color:rgba(255,255,255,.7);}
.site-footer a:hover{color:var(--c-accent);text-decoration:underline;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom span{max-width:640px;}

/* ---------- float cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:flex;align-items:center;gap:8px;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease,visibility .3s ease;}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none;}
.float-cta__close{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:16px;line-height:1;display:grid;place-items:center;box-shadow:var(--sh-1);}
.float-cta__close:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1080px;}
}
@media (max-width:1023px){
  :root{--header-h:64px;}
  .section{padding:72px 0;}
  .nav-search{display:none;}
  .header-tools{display:flex;}
  .header-inner{grid-template-columns:auto 1fr auto;}
  .nav-links{position:fixed;top:calc(var(--header-h) + 12px);left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:4px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-3);z-index:100;}
  .nav-links.is-open{display:flex;}
  .nav-item{height:46px;padding:0 14px;}
  .nav-item.is-active{background:var(--c-primary-soft);}
  .nav-item.is-active::after{display:none;}
  .nav-links .btn{margin:8px 0 0;width:100%;}
  .zrow{grid-template-columns:1fr;gap:32px;}
  .zrow--reverse .zrow__text{order:1;}
  .zrow--reverse .zrow__media{order:2;}
  .grid-x.grid-margin-x{grid-template-columns:repeat(2,minmax(0,1fr));}
  .fact-strip__inner{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero{padding:36px 0 56px;}
  .section-head{margin-bottom:32px;}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:16px;}
  .cta-band{padding:56px 0;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:639px){
  body{font-size:15px;padding-bottom:64px;}
  .container{padding-left:16px;padding-right:16px;}
  .grid-x.grid-margin-x{grid-template-columns:1fr;gap:16px;}
  .proof-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .step{padding-left:68px;}
  .step__num{width:42px;height:42px;font-size:15px;}
  .step::before{left:20px;top:50px;}
  .float-cta{left:0;right:0;bottom:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line);transform:translateY(100%);}
  .float-cta.is-visible{transform:none;}
  .float-cta .btn{flex:1;height:44px;font-size:14px;}
  .float-cta__close{flex:0 0 auto;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .btn,.card,.nav-item{transition:none;}
}

/* roulang page: article */
:root{
  --brand:#123F37;
  --brand-deep:#0B2A25;
  --ink:#0F1513;
  --accent:#EA5A2B;
  --accent-deep:#D0461B;
  --cyan:#0FA98A;
  --bg:#F5F3EE;
  --surface:#FFFFFF;
  --text:#1B211E;
  --muted:#5B615E;
  --line:#E7E3DA;
  --line-soft:#EFECE5;
  --r-badge:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,21,19,.05);
  --sh-2:0 12px 32px rgba(15,21,19,.10);
  --sh-3:0 24px 60px rgba(15,21,19,.14);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-serif);color:var(--brand);font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:rgba(234,90,43,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(245,243,238,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-family:var(--font-serif);font-weight:800;font-size:19px;color:var(--brand);letter-spacing:-.01em;display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap}
.brand-sub{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.1em;font-family:var(--font-sans)}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 40%;max-width:500px;height:48px;padding:0 6px 0 16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:hover{border-color:#CFC8BA}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,63,55,.12)}
.nav-search .search-icon{width:18px;height:18px;color:var(--muted);flex:0 0 auto}
.nav-search input{flex:1;height:46px;min-width:0;padding:0 10px;border:0;background:transparent;color:var(--text);font-size:15px;outline:none}
.nav-search input::placeholder{color:#9AA19D}
.nav-search-btn{flex:0 0 auto;height:36px;padding:0 16px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:13px;font-weight:600;transition:background-color .2s ease}
.nav-search-btn:hover{background:var(--brand-deep);color:#fff}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative;padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:#39423E;white-space:nowrap}
.nav-item:hover{color:var(--brand);background:rgba(18,63,55,.06)}
.nav-item.is-active{color:var(--brand);font-weight:700}
.nav-item.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);border-radius:2px}
.nav-links .btn{margin-left:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;text-align:center;white-space:nowrap;transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(234,90,43,.26)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:rgba(18,63,55,.06);color:var(--brand);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);border-bottom:1px solid rgba(18,63,55,.35);padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.btn-text:hover{color:var(--accent);border-color:var(--accent)}
.btn-text i{font-size:12px;transition:transform .2s ease}
.btn-text:hover i{transform:translateX(3px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;color:var(--brand)}
.nav-toggle:hover{background:rgba(18,63,55,.07)}
.search-toggle{display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;color:var(--brand)}
.search-toggle:hover{background:rgba(18,63,55,.07)}

/* ---------- search overlay ---------- */
.search-overlay{position:fixed;inset:0;z-index:120;background:rgba(15,21,19,.55);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease}
.search-overlay.is-open{opacity:1;visibility:visible}
.search-overlay-inner{background:var(--surface);padding:18px 16px 26px;transform:translateY(-12px);transition:transform .28s cubic-bezier(.22,.61,.36,1)}
.search-overlay.is-open .search-overlay-inner{transform:translateY(0)}
.search-overlay-bar{display:flex;align-items:center;gap:10px}
.search-overlay-bar input{flex:1;height:52px;padding:0 18px;border:1px solid var(--line);border-radius:var(--r-btn);background:#FCFBF8;font-size:15px;outline:none}
.search-overlay-bar input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,63,55,.12)}
.search-overlay-close{height:52px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--muted);font-size:14px;font-weight:600}
.search-overlay-close:hover{color:var(--brand);border-color:var(--brand)}
.search-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted)}
.chip:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B9B4A8}
.breadcrumb .current{color:var(--brand);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:26px 0 32px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(26px,3.4vw,42px);line-height:1.28;letter-spacing:-.01em;max-width:900px;font-weight:800}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--r-badge);background:rgba(18,63,55,.08);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge--cyan{background:rgba(15,169,138,.12);color:#0B7A64}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:18px;font-size:13.5px;color:var(--muted)}
.article-meta .mono{font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;color:#434A46}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6C0B3}
.author-chip{display:inline-flex;align-items:center;gap:8px;color:#434A46}
.author-chip .avatar{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:12px;font-family:var(--font-serif)}

/* ---------- layout ---------- */
.article-main{padding:44px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:56px;align-items:start}
.article-col{min-width:0}

/* ---------- article body ---------- */
.article-body{max-width:740px;font-size:16.5px;line-height:1.9;color:#242A26}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4;margin:2.1em 0 .9em;padding-left:14px;border-left:3px solid var(--accent)}
.article-body h3{font-size:19px;line-height:1.5;margin:1.8em 0 .7em;color:var(--brand)}
.article-body h4{font-size:17px;margin:1.6em 0 .6em;color:#2C3733}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0}
.article-body li::marker{color:var(--cyan)}
.article-body blockquote{margin:1.7em 0;padding:16px 22px;border-left:3px solid var(--brand);background:#fff;border-radius:0 12px 12px 0;color:#39423E;box-shadow:var(--sh-1)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.7em auto;border-radius:var(--r-card)}
.article-body figure{margin:1.7em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--muted)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(18,63,55,.3)}
.article-body a:hover{color:var(--accent);border-color:var(--accent)}
.article-body strong{color:var(--brand);font-weight:700}
.article-body hr{margin:2.4em 0;border:0;border-top:1px solid var(--line)}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;line-height:1.7;background:#fff;border-radius:var(--r-btn);border:1px solid var(--line)}
.article-body thead th{background:#FBF9F5;color:var(--brand);font-weight:700;text-align:left;white-space:nowrap}
.article-body th,.article-body td{padding:11px 15px;border-bottom:1px solid var(--line-soft)}
.article-body tbody tr:nth-child(even){background:#FCFBF8}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{margin:1.7em 0;padding:18px 20px;background:var(--ink);color:#E6EBE8;border-radius:var(--r-btn);font-family:var(--font-mono);font-size:13.5px;line-height:1.75;overflow-x:auto}
.article-body code{font-family:var(--font-mono);font-size:.9em;padding:2px 6px;border-radius:6px;background:rgba(18,63,55,.08);color:#20443C}
.article-body pre code{padding:0;background:none;color:inherit}
.article-body .callout{margin:1.7em 0;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-card);background:#fff}

/* ---------- tags ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);max-width:740px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-badge);border:1px solid var(--line);background:#fff;font-size:12.5px;color:#4A524E}
.tag:hover{border-color:var(--brand);color:var(--brand)}
.back-row{margin-top:22px}

/* ---------- side ---------- */
.side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-title{display:flex;align-items:center;gap:8px;font-family:var(--font-sans);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.side-title i{color:var(--cyan)}
.toc-list a{display:block;padding:7px 0 7px 12px;border-left:2px solid var(--line-soft);font-size:14px;color:var(--muted);line-height:1.5}
.toc-list a:hover{color:var(--brand);border-color:var(--cyan)}
.toc-list a.is-current{color:var(--brand);font-weight:700;border-color:var(--accent)}
.toc-list .toc-sub{padding-left:24px;font-size:13px}
.consult-card{background:var(--brand);border-color:var(--brand);color:#fff}
.consult-card .side-title{color:rgba(255,255,255,.66)}
.consult-card p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:16px}
.consult-card .btn--primary{width:100%;height:44px;font-size:14px}
.consult-card .mail{display:block;margin-top:12px;font-size:13px;color:rgba(255,255,255,.7);word-break:break-all}
.consult-card .mail:hover{color:#fff}

/* ---------- related ---------- */
.related-section{padding:56px 0 8px;border-top:1px solid var(--line);margin-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:clamp(20px,2.2vw,26px)}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,63,55,.2)}
.related-card .thumb{position:relative;aspect-ratio:16/9;background:var(--brand);overflow:hidden}
.related-card .thumb img{width:100%;height:100%;object-fit:cover}
.related-card .thumb .fallback{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.85);font-family:var(--font-serif);font-size:20px}
.related-card .body{padding:18px 20px 20px}
.related-card h3{font-size:16.5px;line-height:1.45;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card p{font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- empty state ---------- */
.empty-state{max-width:640px;padding:52px 32px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center}
.empty-state .icon{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:rgba(18,63,55,.08);display:grid;place-items:center;color:var(--brand);font-size:22px}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:22px}

/* ---------- CTA band ---------- */
.cta-band{margin-top:72px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);max-width:640px}
.cta-inner .lead{margin-top:12px;font-size:15px;color:var(--muted);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h3{font-family:var(--font-sans);font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:6px}
.site-footer a{color:rgba(255,255,255,.7)}
.site-footer a:hover{color:var(--accent);text-decoration:underline}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- float cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:flex;align-items:center;gap:6px;padding:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s ease,transform .3s ease,visibility .3s ease}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .float-close{width:32px;height:32px;border-radius:50%;color:var(--muted);font-size:14px;display:grid;place-items:center}
.float-cta .float-close:hover{background:rgba(18,63,55,.07);color:var(--brand)}

/* ---------- motion ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .btn,.related-card,.toc-list a{transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:40px}
}
@media (max-width:1023px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .search-toggle{display:inline-flex;margin-left:auto}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:14px 16px 20px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--sh-2);display:none}
  .nav-links.is-open{display:flex}
  .nav-item{padding:12px 14px;font-size:15px}
  .nav-item.is-active::after{left:14px;right:auto;width:22px;bottom:8px}
  .nav-links .btn{margin:10px 4px 0}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side{position:static;top:auto}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .article-body{font-size:16px;line-height:1.85}
  .article-head h1{font-size:clamp(23px,6vw,30px)}
  .cta-band{padding:52px 0}
  .related-section{padding:40px 0 0;margin-top:40px}
}
@media (max-width:639px){
  .header-inner{min-height:60px;gap:10px}
  .brand-text{font-size:16.5px}
  .brand-sub{display:none}
  .brand-mark{width:32px;height:32px}
  .crumb-bar{padding-top:16px}
  .article-main{padding:32px 0 0}
  .article-head{padding:20px 0 24px}
  .breadcrumb .current{max-width:46vw}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;padding:8px 12px calc(8px + env(safe-area-inset-bottom));justify-content:space-between;border-left:0;border-right:0}
  .float-cta .btn{flex:1;height:44px}
  .float-cta .float-close{width:36px;height:36px}
  .empty-state{padding:36px 20px}
  .article-body h2{font-size:20px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink:#123F37;
  --ink-deep:#0E322C;
  --ink-dark:#0F1513;
  --accent:#EA5A2B;
  --accent-deep:#D24B1F;
  --cyan:#0FA98A;
  --cyan-deep:#0B7D66;
  --bg:#F5F3EE;
  --card:#FFFFFF;
  --text:#1B211E;
  --muted:#5B615E;
  --line:#E7E3DA;
  --line-soft:#EFECE5;
  --r-s:6px;
  --r-m:12px;
  --r-l:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,21,19,.05);
  --sh-2:0 12px 32px rgba(15,21,19,.10);
  --sh-3:0 24px 60px rgba(15,21,19,.14);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:76px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============ reset / base ============ */
*,*::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(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-serif);
  color:var(--ink);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
h1{font-size:clamp(32px,4.6vw,54px);font-weight:800;line-height:1.15;}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:20px;font-weight:600;line-height:1.45;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;font-size:inherit;line-height:inherit;border:0;background:none;color:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){.container{max-width:1320px;}}
@media (max-width:639px){.container{padding-left:16px;padding-right:16px;}}

/* Foundation 网格覆盖 */
.grid-row.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.grid-row.row > .column{padding-left:12px;padding-right:12px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,243,238,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(15,21,19,.08);}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(240px,1fr) auto;
  align-items:center;
  gap:24px;
  height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  flex:0 0 auto;
  width:36px;height:36px;
  border-radius:10px;
  background:var(--ink);
  color:#fff;
  display:grid;place-items:center;
}
.brand-mark svg{width:18px;height:18px;}
.brand-text{
  display:flex;flex-direction:column;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:19px;
  color:var(--ink);
  line-height:1.1;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-sub{
  font-family:var(--font-sans);
  font-size:11px;
  font-weight:400;
  letter-spacing:.14em;
  color:var(--muted);
  margin-top:3px;
}
.nav-search{
  justify-self:center;
  width:min(100%,520px);
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 6px 0 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:hover{border-color:#D8D2C6;}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,63,55,.12);}
.nav-search .s-icon{width:18px;height:18px;flex:0 0 auto;color:var(--muted);}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-size:15px;
  color:var(--text);
}
.nav-search input::placeholder{color:#9BA19C;}
.nav-search .search-btn{
  flex:0 0 auto;
  height:36px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-search .search-btn:hover{background:var(--ink-deep);}
.nav-search .search-btn:active{transform:scale(.97);}

.nav-links{display:flex;align-items:center;gap:2px;}
.nav-item{
  position:relative;
  padding:9px 12px;
  border-radius:var(--r-m);
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-item:hover{color:var(--ink);background:rgba(18,63,55,.06);}
.nav-item.is-active{color:var(--ink);font-weight:700;}
.nav-item.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.header-actions{display:none;align-items:center;gap:6px;}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:var(--r-m);
  color:var(--ink);
  transition:background .2s var(--ease);
}
.icon-btn:hover{background:rgba(18,63,55,.08);}
.icon-btn svg{width:20px;height:20px;}

/* 移动导航层 */
.mobile-nav{
  display:none;
  position:fixed;
  inset:var(--header-h) 0 0 0;
  z-index:79;
  background:var(--bg);
  border-top:1px solid var(--line);
  overflow-y:auto;
  padding:20px 16px 40px;
}
.mobile-nav.is-open{display:block;}
.mobile-search{
  display:flex;align-items:center;gap:8px;
  height:52px;
  padding:0 16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  margin-bottom:16px;
}
.mobile-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,63,55,.12);}
.mobile-search svg{width:18px;height:18px;color:var(--muted);}
.mobile-search input{flex:1;border:0;outline:0;background:transparent;min-width:0;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.chip{
  padding:7px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--card);
  font-size:13px;
  color:var(--muted);
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.mobile-links{display:flex;flex-direction:column;gap:2px;}
.mobile-links a{
  padding:14px 12px;
  border-radius:var(--r-m);
  font-size:16px;
  font-weight:500;
  border-bottom:1px solid var(--line-soft);
}
.mobile-links a.is-active{color:var(--accent);font-weight:700;}

@media (max-width:1023px){
  :root{--header-h:60px;}
  .header-inner{grid-template-columns:1fr auto;gap:12px;}
  .nav-search,.nav-links{display:none;}
  .header-actions{display:flex;}
  .brand-text{font-size:17px;}
  .brand-mark{width:32px;height:32px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-m);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;}
.btn--primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(234,90,43,.26);}
.btn--primary:active{transform:translateY(0);box-shadow:none;}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:rgba(18,63,55,.06);color:var(--ink);transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--ink-dark);}
.btn--light:hover{background:#F1EEE7;color:var(--ink-dark);transform:translateY(-2px);}
.btn--ghost-light{background:transparent;border-color:rgba(245,243,238,.5);color:#F5F3EE;}
.btn--ghost-light:hover{border-color:#F5F3EE;background:rgba(245,243,238,.1);color:#fff;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid rgba(18,63,55,.35);
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow svg{width:14px;height:14px;transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--accent);border-color:var(--accent);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 通用区块 ============ */
.sec{padding:96px 0;}
.sec--soft{background:#F0EDE6;}
.sec--line{border-top:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--cyan-deep);
  margin-bottom:14px;
}
section[id]{scroll-margin-top:calc(var(--header-h) + 20px);}
@media (max-width:639px){
  .sec{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{padding-top:24px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:#B9B4A9;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ 分类 Hero ============ */
.page-hero{position:relative;overflow:hidden;margin-top:20px;border-radius:var(--r-l);}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(15,21,19,.94) 0%,rgba(18,63,55,.88) 52%,rgba(15,21,19,.66) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:72px 56px 64px;color:#F5F3EE;max-width:860px;}
.page-hero h1{color:#fff;margin-bottom:18px;}
.page-hero__lead{font-size:17px;line-height:1.85;color:rgba(245,243,238,.86);max-width:720px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tag{
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(245,243,238,.3);
  font-size:13px;
  color:rgba(245,243,238,.9);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
@media (max-width:767px){
  .page-hero{border-radius:0;margin-top:0;}
  .page-hero__inner{padding:48px 20px 44px;}
  .page-hero__lead{font-size:15px;}
  .hero-actions .btn{width:100%;}
}

/* ============ 筛选侧栏 ============ */
.filter-card{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:24px 20px;
  box-shadow:var(--sh-1);
}
.filter-card h2{font-size:16px;font-family:var(--font-sans);font-weight:700;letter-spacing:.02em;}
.filter-card .filter-note{font-size:13px;color:var(--muted);margin-top:8px;margin-bottom:18px;}
.filter-list{display:flex;flex-direction:column;gap:6px;}
.filter-btn{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;
  width:100%;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:14px;
  color:var(--text);
  text-align:left;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.filter-btn .cnt{font-family:var(--font-mono);font-size:12px;color:var(--muted);}
.filter-btn:hover{background:rgba(18,63,55,.05);color:var(--ink);}
.filter-btn.is-active{
  background:rgba(18,63,55,.07);
  border-color:rgba(18,63,55,.18);
  color:var(--ink);
  font-weight:700;
}
.filter-btn.is-active .cnt{color:var(--ink);}
.filter-meta{margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft);}
.filter-meta dl{display:flex;justify-content:space-between;margin:0 0 10px;font-size:13px;}
.filter-meta dt{color:var(--muted);}
.filter-meta dd{margin:0;font-family:var(--font-mono);color:var(--ink);font-weight:600;}
.filter-meta .note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:4px;}
@media (max-width:1023px){
  .filter-card{position:static;margin-bottom:28px;}
  .filter-list{flex-direction:row;flex-wrap:wrap;}
  .filter-btn{width:auto;border-color:var(--line);}
}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.sec-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),opacity .24s var(--ease);
}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,63,55,.22);}
.sec-card.is-hidden{display:none;}
.sec-card__media{position:relative;aspect-ratio:16/9;background:#EFECE5;overflow:hidden;}
.sec-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.sec-card:hover .sec-card__media img{transform:scale(1.04);}
.sec-card__glyph{
  position:absolute;left:14px;bottom:14px;
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(15,21,19,.82);
  color:#F5F3EE;
  display:grid;place-items:center;
}
.sec-card__glyph svg{width:18px;height:18px;}
.sec-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.badge{
  display:inline-block;
  align-self:flex-start;
  padding:4px 10px;
  border-radius:var(--r-s);
  font-size:12px;
  font-weight:600;
  background:rgba(15,169,138,.10);
  color:var(--cyan-deep);
}
.badge--ink{background:rgba(18,63,55,.08);color:var(--ink);}
.sec-card h3{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  font-size:18px;
}
.sec-card p{
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}
.sec-card__foot{margin-top:auto;padding-top:8px;}
@media (max-width:1199px) and (min-width:1024px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media (max-width:639px){.card-grid{grid-template-columns:minmax(0,1fr);}}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:26px 22px;
  box-shadow:var(--sh-1);
}
.stat__num{
  font-family:var(--font-mono);
  font-size:clamp(28px,3.4vw,42px);
  font-weight:700;
  color:var(--ink);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat__unit{font-size:14px;color:var(--muted);margin-left:6px;font-family:var(--font-sans);}
.stat__label{margin-top:12px;font-size:14px;font-weight:600;color:var(--text);}
.stat__desc{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7;}
@media (max-width:1023px){.stats{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:639px){.stats{grid-template-columns:minmax(0,1fr);}}

/* ============ 深色场景区 ============ */
.dark-band{
  position:relative;
  color:#F5F3EE;
  background:var(--ink-dark);
  overflow:hidden;
}
.dark-band__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(15,21,19,.96) 0%,rgba(15,21,19,.9) 55%,rgba(15,21,19,.72) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
}
.dark-band .container{position:relative;z-index:2;}
.dark-band h2{color:#fff;}
.dark-band p{color:rgba(245,243,238,.8);}
.scene-list{display:flex;flex-direction:column;gap:18px;margin-top:28px;}
.scene-item{
  display:flex;gap:16px;
  padding:18px 20px;
  border-radius:var(--r-l);
  border:1px solid rgba(245,243,238,.14);
  background:rgba(245,243,238,.04);
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.scene-item:hover{border-color:rgba(234,90,43,.5);background:rgba(245,243,238,.07);}
.scene-item .no{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  padding-top:3px;
}
.scene-item h3{font-size:16px;color:#fff;font-family:var(--font-sans);font-weight:700;margin-bottom:6px;}
.scene-item p{font-size:14px;line-height:1.75;margin:0;}
.media-frame{
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid rgba(245,243,238,.16);
  box-shadow:var(--sh-3);
  background:var(--ink-dark);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
@media (max-width:1023px){
  .dark-band__side{margin-top:36px;}
}

/* ============ FAQ ============ */
.faq-list{max-width:940px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  min-height:64px;
  padding:16px 8px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-ico{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--ink);
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.faq-ico svg{width:14px;height:14px;}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a__inner{
  padding:2px 24px 26px 20px;
  margin-left:2px;
  border-left:3px solid var(--accent);
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:linear-gradient(180deg,#EFECE5 0%,#F5F3EE 100%);
  border-top:1px solid var(--line);
  padding:80px 0;
  text-align:center;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{max-width:640px;margin:0 auto;color:var(--muted);font-size:16px;}
.cta-band .cta-actions{
  display:flex;flex-wrap:wrap;gap:18px;justify-content:center;align-items:center;margin-top:34px;
}
@media (max-width:639px){
  .cta-band{padding:56px 0;}
  .cta-band .cta-actions{flex-direction:column;}
  .cta-band .cta-actions .btn{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-dark);color:#F5F3EE;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand{color:#fff;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-sub{color:rgba(245,243,238,.5);}
.site-footer .brand-mark{background:var(--accent);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(245,243,238,.7);max-width:340px;}
.footer-col h3{font-family:var(--font-sans);font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(245,243,238,.72);}
.footer-col p{font-size:14px;color:rgba(245,243,238,.72);margin-bottom:8px;}
.footer-col a{color:rgba(245,243,238,.7);}
.footer-col a:hover{color:var(--accent);text-decoration:underline;}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(245,243,238,.14);
  display:flex;flex-wrap:wrap;gap:12px 28px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(245,243,238,.55);
  line-height:1.7;
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:none;}
}
@media (max-width:639px){
  .site-footer{padding:52px 0 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:70;
  display:flex;align-items:center;gap:8px;
  opacity:0;visibility:hidden;
  transform:translateY(14px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none;}
.float-cta__main{
  display:inline-flex;align-items:center;gap:10px;
  height:52px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:#fff;
  font-size:14px;
  font-weight:700;
  box-shadow:0 14px 32px rgba(234,90,43,.32);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.float-cta__main:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
.float-cta__main svg{width:16px;height:16px;}
.float-cta__close{
  width:32px;height:32px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(15,21,19,.7);
  color:#fff;
  font-size:14px;
}
.float-cta__close:hover{background:var(--ink-dark);}
.float-cta__close svg{width:14px;height:14px;}
@media (max-width:1023px){
  .float-cta{
    left:0;right:0;bottom:0;
    gap:0;
    padding:0;
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:none;}
  .float-cta__main{
    flex:1 1 auto;
    height:56px;
    border-radius:0;
    justify-content:center;
    box-shadow:0 -6px 24px rgba(15,21,19,.16);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .float-cta__close{display:none;}
  .site-footer{padding-bottom:calc(28px + 56px);}
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink:#123F37;
  --ink-2:#1C5A4E;
  --dark:#0F1513;
  --accent:#EA5A2B;
  --accent-dark:#CF4B1F;
  --cyan:#0FA98A;
  --paper:#F5F3EE;
  --card:#FFFFFF;
  --text:#1B211E;
  --muted:#5B615E;
  --line:#E7E3DA;
  --line-soft:#EFECE5;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,21,19,.05);
  --sh-2:0 12px 32px rgba(15,21,19,.10);
  --sh-3:0 24px 60px rgba(15,21,19,.14);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,sans-serif;
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --nav-h:76px;
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover,a:focus{color:var(--accent)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;line-height:1.2;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
section[id]{scroll-margin-top:100px}
::selection{background:rgba(18,63,55,.14)}

/* ============ 容器 ============ */
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
@media (min-width:1440px){.container{max-width:1320px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:639px){.container{padding:0 16px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,238,.94);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:grid;
  grid-template-columns:auto minmax(220px,430px) auto;
  align-items:center;
  gap:24px;
  height:var(--nav-h);
  max-width:1320px;
  margin:0 auto;
  padding:0 32px;
}
.brand{grid-column:1;display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;
  display:grid;place-items:center;flex:none;
}
.brand-mark svg{width:18px;height:18px}
.brand-text{
  font-family:var(--serif);font-size:19px;font-weight:800;letter-spacing:-.01em;
  color:var(--ink);display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap;
}
.brand-sub{font-family:var(--sans);font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.04em}

.nav-search{
  grid-column:2;justify-self:center;width:100%;
  display:flex;align-items:center;height:48px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 18px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:hover{border-color:#d6d1c5}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,63,55,.12)}
.nav-search .search-icon{width:18px;height:18px;color:var(--muted);flex:none;margin-right:10px}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:15px;line-height:1;color:var(--text);padding:0;
}
.nav-search input::placeholder{color:#9aa19c}
.nav-search-btn{
  flex:none;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:14px;font-weight:500;
  transition:background .2s ease, transform .2s ease;
}
.nav-search-btn:hover{background:var(--ink-2)}
.nav-search-btn:active{transform:translateY(1px)}

.nav-links{grid-column:3;display:flex;align-items:center;gap:6px;flex:none}
.nav-item{
  font-size:15px;color:var(--text);padding:8px 12px;border-radius:var(--r-md);
  position:relative;white-space:nowrap;transition:color .2s ease, background .2s ease;
}
.nav-item:hover{color:var(--ink);background:rgba(18,63,55,.06)}
.nav-item.is-active{color:var(--ink);font-weight:600}
.nav-item.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}

.nav-actions{grid-column:3;justify-self:end;display:none;align-items:center;gap:6px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);display:grid;place-items:center;
  color:var(--ink);transition:background .2s ease;
}
.icon-btn:hover{background:rgba(18,63,55,.08)}
.icon-btn svg{width:20px;height:20px}
.nav-toggle{width:40px;height:40px;border-radius:var(--r-md);display:grid;place-items:center;gap:0}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;margin:2px 0;transition:transform .24s ease,opacity .24s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动端搜索层 */
.search-layer{
  position:fixed;inset:0;z-index:120;background:rgba(245,243,238,.98);
  padding:24px 20px;display:none;
}
.search-layer.is-open{display:block}
.search-layer-form{
  display:flex;align-items:center;height:52px;background:#fff;border:1px solid var(--ink);
  border-radius:var(--r-pill);padding:0 18px;box-shadow:0 0 0 3px rgba(18,63,55,.12);
}
.search-layer-form svg{width:18px;height:18px;color:var(--muted);margin-right:10px;flex:none}
.search-layer-form input{flex:1;border:0;outline:none;background:transparent;font-size:15px;min-width:0}
.search-chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 24px}
.chip-label{font-size:13px;color:var(--muted);align-self:center;margin-right:4px}
.chip{
  font-size:13px;color:var(--ink);background:rgba(18,63,55,.07);
  border-radius:var(--r-pill);padding:7px 14px;transition:background .2s ease;
}
.chip:hover{background:rgba(18,63,55,.14)}

/* ============ 面包屑 ============ */
.breadcrumb{margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#b5bab5}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn--primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn--primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid rgba(18,63,55,.45)}
.btn--ghost:hover{background:rgba(18,63,55,.06);color:var(--ink);border-color:var(--ink)}
.btn--onDark{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn--onDark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn--light{background:#fff;color:var(--ink);border:1px solid #fff}
.btn--light:hover{background:#f0efe9;color:var(--ink);transform:translateY(-2px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--lg{height:54px;padding:0 30px;font-size:16px}
.btn--block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--ink);border-bottom:1px solid rgba(18,63,55,.35);padding-bottom:2px;
}
.link-arrow svg{width:14px;height:14px;transition:transform .2s ease}
.link-arrow:hover{color:var(--accent);border-color:var(--accent)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(18,63,55,.08);color:var(--ink);
}
.badge--cyan{background:rgba(15,169,138,.12);color:#0b7f68}
.badge--accent{background:rgba(234,90,43,.12);color:var(--accent-dark)}

/* ============ 首屏 Banner ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-color:var(--dark);
  background-image:linear-gradient(180deg,rgba(15,21,19,.86) 0%,rgba(15,21,19,.72) 45%,rgba(15,21,19,.88) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:64px 0 72px;
}
.page-hero .breadcrumb{color:rgba(255,255,255,.72)}
.page-hero .breadcrumb li+li::before{color:rgba(255,255,255,.4)}
.page-hero .breadcrumb a{color:rgba(255,255,255,.72)}
.page-hero .breadcrumb a:hover{color:#fff}
.page-hero .breadcrumb [aria-current]{color:#fff}
.page-hero .badge{background:rgba(255,255,255,.14);color:#fff;margin-bottom:18px}
.page-hero h1{
  color:#fff;font-weight:800;font-size:clamp(30px,4.6vw,54px);
  letter-spacing:-.01em;line-height:1.16;max-width:18em;margin-bottom:20px;
}
.hero-lead{font-size:17px;color:rgba(255,255,255,.84);max-width:44em;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.7)}
.hero-meta b{font-family:var(--mono);font-size:18px;color:#fff;font-weight:600;margin-right:6px}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section-head{max-width:780px;margin-bottom:48px}
.section-head .badge{margin-bottom:16px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.005em;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.stat-cell{background:#fff;padding:26px 24px}
.stat-num{
  font-family:var(--mono);font-size:32px;font-weight:600;color:var(--ink);
  line-height:1.1;letter-spacing:-.02em;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px}

/* ============ 要点列表 / 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,63,55,.24)}
.card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.card p{font-size:15px;color:var(--muted);line-height:1.8}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;
  background:rgba(18,63,55,.08);color:var(--ink);margin-bottom:18px;
}
.card-icon svg{width:22px;height:22px}
.cards-row{margin-bottom:0}

.point-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-soft);
  font-size:15px;color:var(--text);line-height:1.75;
}
.point-list li:last-child{border-bottom:0}
.point-list svg{width:18px;height:18px;flex:none;margin-top:5px;color:var(--cyan)}

/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);position:relative;background:#e9e6df}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-body h3{font-size:22px;margin-bottom:14px}
.split-body p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:16px}
.mini-stat{display:flex;flex-wrap:wrap;gap:28px;margin-top:22px}
.mini-stat div{min-width:120px}
.mini-stat b{display:block;font-family:var(--mono);font-size:24px;color:var(--ink);font-weight:600}
.mini-stat span{font-size:13px;color:var(--muted)}

/* ============ 编号大列表 ============ */
.steps-list{border-top:1px solid var(--line)}
.step-item{
  display:grid;grid-template-columns:112px 1fr auto;align-items:center;gap:24px;
  min-height:88px;padding:18px 8px;border-bottom:1px solid var(--line);
  transition:background .24s ease, padding-left .24s ease;
}
.step-item:hover{background:#fff;padding-left:18px}
.step-num{
  font-family:var(--mono);font-size:34px;font-weight:600;color:rgba(18,63,55,.22);
  letter-spacing:-.03em;line-height:1;
}
.step-item:hover .step-num{color:var(--accent)}
.step-body h3{font-size:18px;font-weight:600;margin-bottom:6px}
.step-body p{font-size:15px;color:var(--muted);line-height:1.75;max-width:60ch}
.step-tag{
  font-size:12px;color:var(--ink);background:rgba(18,63,55,.07);
  border-radius:var(--r-sm);padding:5px 10px;white-space:nowrap;
}

/* ============ 表格 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);
  background:#fff;box-shadow:var(--sh-1);
}
table.data{width:100%;border-collapse:collapse;min-width:680px;font-size:15px}
table.data th{
  background:#FBFAF7;text-align:left;font-weight:600;color:var(--ink);
  padding:15px 20px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:14px;
}
table.data td{padding:15px 20px;border-bottom:1px solid var(--line-soft);color:var(--text);vertical-align:top}
table.data tbody tr:nth-child(even){background:#FCFBF8}
table.data tbody tr:hover{background:#F7F5F0}
table.data tbody tr:last-child td{border-bottom:0}
table.data .num{font-family:var(--mono);font-weight:600;color:var(--ink)}

/* ============ FAQ ============ */
.faq-band{background:#fff}
.faq .accordion{border:0;background:transparent;margin:0}
.faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  margin-bottom:12px;overflow:hidden;transition:border-color .24s ease, box-shadow .24s ease;
}
.faq .accordion-item:hover{border-color:rgba(18,63,55,.24)}
.faq .accordion-item.is-active{border-color:rgba(18,63,55,.3);box-shadow:var(--sh-1)}
.faq .accordion-title{
  display:flex;align-items:center;min-height:64px;
  padding:18px 64px 18px 24px;font-size:16px;font-weight:600;color:var(--ink);
  border:0;line-height:1.5;background:transparent;position:relative;
}
.faq .accordion-title:hover{background:#FBFAF7;color:var(--ink)}
.faq .accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;margin:0;
  transform:translateY(-50%);font-family:var(--mono);font-size:20px;
  color:var(--ink);line-height:1;transition:transform .24s ease;
}
.faq .accordion-title.is-active::before{transform:translateY(-50%) rotate(45deg);color:var(--accent)}
.faq .accordion-item.is-active .accordion-title{box-shadow:inset 3px 0 0 var(--accent)}
.faq .accordion-content{
  padding:4px 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;
  border-top:1px solid var(--line-soft);background:#FCFBF9;
}
.faq .accordion-content p+p{margin-top:10px}

/* ============ 结尾 CTA ============ */
.cta-band{background:#E8EEEC;border-top:1px solid var(--line);padding:80px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  background:#fff;border:1px solid rgba(18,63,55,.14);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:15px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;flex:none}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 32px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand .brand-mark{background:#fff;color:var(--dark)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:36ch}
.footer-col h3{
  font-family:var(--sans);font-size:14px;font-weight:600;color:#fff;
  letter-spacing:.04em;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px}
.footer-col a:hover{color:var(--accent);text-decoration:underline}
.footer-col p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.48);line-height:1.7;
}
.footer-bottom span{max-width:64ch}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 18px 0 22px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-3);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s ease, transform .3s ease, background .2s ease;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{background:var(--accent-dark);color:#fff}
.float-cta .close-mini{
  display:grid;place-items:center;width:22px;height:22px;border-radius:50%;
  background:rgba(255,255,255,.2);flex:none;
}
.float-cta .close-mini svg{width:12px;height:12px}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.001ms!important;animation-duration:.001ms!important}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .step-item{grid-template-columns:96px 1fr auto}
}
@media (max-width:1023px){
  :root{--nav-h:60px}
  .nav-inner{grid-template-columns:1fr auto;gap:0;height:60px;padding:0 24px}
  .brand{grid-column:1}
  .nav-actions{grid-column:2;display:flex}
  .nav-search{display:none}
  .nav-links{
    position:fixed;left:0;right:0;top:60px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 24px 24px;box-shadow:var(--sh-2);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .24s ease,opacity .24s ease;
  }
  body.nav-open .nav-links{transform:none;opacity:1;pointer-events:auto}
  .nav-item{padding:13px 12px;border-radius:var(--r-md);font-size:16px}
  .nav-item.is-active::after{display:none}
  .nav-item.is-active{background:rgba(18,63,55,.07)}
  .nav-links .btn{margin-top:10px;width:100%}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .split{grid-template-columns:1fr;gap:32px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  body{font-size:15px}
  .nav-inner{padding:0 16px}
  .brand-text{font-size:17px}
  .brand-sub{display:none}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .section-head{margin-bottom:32px}
  .hero-actions .btn{width:100%}
  .hero-actions .btn--ghost{width:100%}
  .page-hero{padding:44px 0 56px}
  .stat-strip{grid-template-columns:1fr}
  .step-item{grid-template-columns:64px 1fr;gap:14px;min-height:auto;padding:20px 4px}
  .step-num{font-size:26px}
  .step-tag{grid-column:2;justify-self:start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .float-cta{
    left:16px;right:16px;bottom:16px;height:56px;justify-content:center;
    padding:0 16px;border-radius:var(--r-md);
  }
  .float-cta .close-mini{position:absolute;right:12px}
}