/* roulang page: index */
:root{
  --green:#0E7A5F;
  --green-dark:#0A5C48;
  --green-soft:rgba(14,122,95,.08);
  --orange:#E4572E;
  --orange-dark:#C8461F;
  --yellow:#F2C14E;
  --paper:#F6F7F4;
  --ink:#12181A;
  --ink-soft:#1D2628;
  --text:#1E2724;
  --muted:#5C6B66;
  --line:#E3E6E0;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(18,24,26,.06), 0 8px 24px rgba(18,24,26,.06);
  --shadow-hover:0 2px 4px rgba(18,24,26,.10), 0 14px 32px rgba(18,24,26,.10);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;background:#E6E9E3}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,122,95,.45);outline-offset:2px;border-radius:6px}
::selection{background:rgba(242,193,78,.45)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--green);font-weight:600;
  text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--orange)}
.section-title{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.section-sub{margin-top:14px;font-size:16px;color:var(--muted);max-width:72ch}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,247,244,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(18,24,26,.07);
  background:rgba(246,247,244,.98);
}
.header-top{display:flex;align-items:center;gap:26px;height:76px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--green);color:#fff;
  display:grid;place-items:center;
  font-weight:700;font-size:15px;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(14,122,95,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.logo-sub{font-size:11px;letter-spacing:.22em;color:var(--muted)}
.search-bar{position:relative;flex:1 1 auto;max-width:520px;min-width:180px}
.search-bar svg{position:absolute;left:17px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--muted);fill:none;stroke-width:2}
.search-bar input{
  width:100%;height:48px;border-radius:999px;border:1px solid var(--line);
  background:var(--white);padding:0 20px 0 48px;font-size:15px;color:var(--text);
  box-shadow:0 1px 2px rgba(18,24,26,.04);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-bar input::placeholder{color:#93A09A}
.search-bar input:hover{border-color:#CFD6CE}
.search-bar input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(14,122,95,.14)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(228,87,46,.24)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,87,46,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green-soft);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.18)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-more{font-size:15px;font-weight:600;color:var(--green);border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease}
.link-more:hover{border-bottom-color:var(--green)}

.main-nav{border-top:1px solid var(--line)}
.nav-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  position:relative;display:block;padding:13px 15px;
  font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .18s ease;
}
.nav-list a:hover{color:var(--ink)}
.nav-list a.is-active{color:var(--green);font-weight:600}
.nav-list a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:var(--green);
}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:18px 0 24px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-search{position:relative;margin-bottom:14px}
.mobile-drawer .drawer-search input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--line);
  padding:0 18px 0 44px;font-size:15px;background:var(--paper);
}
.mobile-drawer .drawer-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--muted);fill:none;stroke-width:2}
.mobile-drawer a{
  display:block;padding:12px 6px;font-size:15px;color:var(--text);border-bottom:1px dashed var(--line);
}
.mobile-drawer a.is-active{color:var(--green);font-weight:600}
.mobile-drawer .drawer-cta{margin-top:16px;border-bottom:none;padding:0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:74px 0 0;background:linear-gradient(180deg,#F2F4EF 0%,var(--paper) 100%)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,122,95,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,122,95,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.9;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-bottom:76px}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  letter-spacing:.02em;line-height:1.6;
}
.badge-green{background:rgba(14,122,95,.1);color:var(--green-dark)}
.badge-orange{background:rgba(228,87,46,.12);color:var(--orange-dark)}
.badge-yellow{background:rgba(242,193,78,.24);color:#7A5B0B}
.badge-gray{background:#EAECE7;color:#4B5852}
.hero h1{
  margin-top:20px;font-size:48px;line-height:1.16;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);
}
.hero h1 .accent{
  color:var(--green);position:relative;white-space:nowrap;
}
.hero h1 .accent::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(242,193,78,.5);border-radius:4px;z-index:-1;
}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.8;color:var(--muted);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:32px;padding-top:26px;border-top:1px solid var(--line)}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.hero-points li::before{
  content:"";width:7px;height:7px;border-radius:2px;background:var(--green);flex-shrink:0;
}
.hero-visual{position:relative}
.hero-visual .hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:0 20px 48px rgba(18,24,26,.16);
}
.hero-visual::before{
  content:"";position:absolute;inset:22px -18px -22px 22px;
  border-radius:20px;border:1px solid rgba(14,122,95,.28);z-index:-1;
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border-radius:var(--radius);padding:16px 20px;
  box-shadow:var(--shadow-hover);border:1px solid var(--line);
  display:flex;align-items:center;gap:14px;max-width:270px;
}
.hero-float .num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--green);line-height:1}
.hero-float .txt{font-size:13px;color:var(--muted);line-height:1.5}
.hero-slash{
  height:12px;
  background:linear-gradient(90deg,var(--green) 0%,var(--green) 46%,var(--orange) 46%,var(--orange) 74%,var(--yellow) 74%,var(--yellow) 100%);
  transform:skewY(-1.1deg);
  transform-origin:left center;
  margin-bottom:-6px;
}

/* ---------- Metrics ---------- */
.metrics{background:var(--ink);color:#fff;padding:64px 0}
.metrics-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:18px;margin-bottom:34px}
.metrics-head h2{font-size:24px;font-weight:700;letter-spacing:-.01em}
.metrics-head p{font-size:14px;color:#95A29C}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:6px 28px;border-left:1px solid rgba(255,255,255,.12)}
.metric:first-child{border-left:none;padding-left:0}
.metric-num{font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1.1;color:var(--yellow);letter-spacing:-.02em}
.metric-num small{font-size:16px;margin-left:3px;color:rgba(242,193,78,.8)}
.metric-label{margin-top:10px;font-size:13.5px;color:#B7C2BC;line-height:1.6}

/* ---------- Bento services ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(196px,auto);gap:24px}
.svc{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.svc:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3DAD2}
.svc-big{grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden}
.svc-big .svc-cover{position:relative;height:230px;overflow:hidden}
.svc-big .svc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.svc:hover .svc-cover img{transform:scale(1.04)}
.svc-big .svc-cover .badge{position:absolute;left:20px;top:20px;background:rgba(255,255,255,.94)}
.svc-big .svc-content{padding:26px;display:flex;flex-direction:column;flex:1}
.svc-tag{font-size:12.5px;font-weight:600;color:var(--green);letter-spacing:.04em}
.svc h3{font-size:19px;font-weight:700;margin-top:10px;color:var(--ink);line-height:1.45}
.svc p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;flex:1}
.svc-arrow{
  margin-top:18px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--orange);
}
.svc-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2;transition:transform .2s ease}
.svc:hover .svc-arrow svg{transform:translateX(4px)}
.svc-mini .svc-index{
  font-family:var(--font-num);font-size:13px;color:#A9B4AE;font-weight:600;letter-spacing:.1em;
}

/* ---------- News list ---------- */
.news-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 26px;box-shadow:var(--shadow)}
.news-row{
  display:grid;grid-template-columns:120px 1fr auto;gap:24px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:rgba(14,122,95,.035)}
.news-row:hover .news-title{color:var(--green)}
.news-thumb{width:120px;height:82px;border-radius:10px;overflow:hidden;background:#E6E9E3}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-title{font-size:17.5px;font-weight:600;color:var(--ink);line-height:1.5;transition:color .18s ease}
.news-desc{margin-top:7px;font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-direction:column;align-items:flex-end;gap:9px;min-width:112px}
.news-time{font-family:var(--font-num);font-size:13px;color:#8C9A93;letter-spacing:.02em}
.empty-state{
  border:1px dashed #C7D0C8;border-radius:var(--radius);background:#FAFBF8;
  padding:44px 24px;text-align:center;
}
.empty-state p{font-size:15px;color:var(--muted)}
.empty-state a{display:inline-block;margin-top:12px;font-size:14px;font-weight:600;color:var(--green);border-bottom:2px solid var(--green)}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.compare-col{padding:0}
.compare-col + .compare-col{border-left:1px solid var(--line)}
.compare-head{padding:22px 28px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.compare-head h3{font-size:17px;font-weight:700}
.compare-col.old .compare-head{background:#F2F3F0;color:#5C6B66}
.compare-col.new .compare-head{background:rgba(14,122,95,.07);color:var(--green-dark)}
.compare-col.new{border-top:3px solid var(--green)}
.compare-row{padding:18px 28px;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.7;color:var(--muted)}
.compare-row:last-child{border-bottom:none}
.compare-col.new .compare-row{color:#2C3B35}
.compare-row strong{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:4px}
.compare-col.new .compare-row strong{color:var(--green-dark)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step-num{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--green);
  background:rgba(14,122,95,.1);border-radius:999px;width:34px;height:34px;
  display:grid;place-items:center;margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:700;color:var(--ink)}
.step p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:0 24px;box-shadow:0 1px 2px rgba(18,24,26,.04);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CBD4CB}
.faq-item[open]{border-color:rgba(14,122,95,.35);box-shadow:var(--shadow);border-left:3px solid var(--green)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:2px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--green)}
.faq-item .faq-answer{padding:0 0 22px;font-size:15px;color:var(--muted);line-height:1.85;max-width:72ch}

/* ---------- Form CTA ---------- */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,122,95,.34),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,87,46,.22),transparent 70%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center;padding:88px 0}
.cta-copy h2{font-size:32px;line-height:1.28;font-weight:700;letter-spacing:-.01em}
.cta-copy p{margin-top:18px;font-size:16px;color:#B7C2BC;line-height:1.85;max-width:48ch}
.cta-facts{margin-top:28px;display:grid;gap:12px}
.cta-facts li{display:flex;gap:10px;font-size:14.5px;color:#D5DDD8;align-items:flex-start}
.cta-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--yellow);margin-top:9px;flex-shrink:0}
.form-card{background:var(--white);border-radius:18px;padding:32px;box-shadow:0 24px 56px rgba(0,0,0,.28)}
.form-card h3{font-size:20px;font-weight:700;color:var(--ink)}
.form-card .form-tip{margin-top:8px;font-size:13.5px;color:var(--muted)}
.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#3B4944;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#FBFCFA;padding:0 14px;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#9AA69F}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--green);box-shadow:0 0 0 3px rgba(14,122,95,.14);
}
.field-error{display:block;margin-top:6px;font-size:13px;color:var(--orange-dark)}
.form-note{margin-top:14px;font-size:12.5px;color:#8C9A93;line-height:1.7}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C5CFCA;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:#8B9992}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#9FADA6;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#A8B5AE;transition:color .18s ease}
.footer-col a:hover{color:var(--yellow)}
.footer-contact li{font-size:14px;color:#A8B5AE;line-height:1.8;margin-bottom:12px;display:flex;gap:9px}
.footer-contact li span:first-child{color:#77857E;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#84918B;
}
.footer-bottom a{color:#84918B}
.footer-bottom a:hover{color:var(--yellow)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero h1{font-size:40px}
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .hero-visual::before{display:none}
  .hero-float{left:auto;right:16px;bottom:-18px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .svc-big{grid-column:span 2;grid-row:auto}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .metric:nth-child(3){border-left:none;padding-left:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:40px;padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .header-top{gap:18px}
  .search-bar{max-width:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .section-title{font-size:24px}
  .section-head{margin-bottom:28px;gap:16px}
  .header-top{height:66px;gap:12px}
  .search-bar{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav{display:none}
  .logo-mark{width:38px;height:38px;font-size:14px}
  .logo-main{font-size:15.5px}
  .logo-sub{font-size:10px;letter-spacing:.18em}
  .hero{padding-top:44px}
  .hero h1{font-size:31px;line-height:1.24}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-points{gap:8px 18px}
  .metrics{padding:48px 0}
  .metric-num{font-size:30px}
  .bento{grid-template-columns:1fr;gap:18px}
  .svc-big{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .news-wrap{padding:6px 18px}
  .news-row{grid-template-columns:88px 1fr;gap:16px;padding:18px 0}
  .news-thumb{width:88px;height:66px}
  .news-meta{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:flex-start;gap:12px}
  .news-title{font-size:16px}
  .compare{grid-template-columns:1fr}
  .compare-col + .compare-col{border-left:none;border-top:1px solid var(--line)}
  .compare-row{padding:15px 18px;font-size:14px}
  .compare-head{padding:18px}
  .form-card{padding:22px}
  .form-row{grid-template-columns:1fr}
  .faq-item{padding:0 18px}
  .faq-item summary{font-size:15.5px;padding:17px 34px 17px 0}
  .cta-copy h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .site-footer{padding:52px 0 0}
  .hero-float{position:static;margin-top:18px;max-width:none}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .metric{padding:0 16px}
  .metric-num{font-size:26px}
  .metric-label{font-size:12.5px}
  .section-title{font-size:22px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
}

/* roulang page: article */
:root{
  --brand:#0E7A5F;
  --brand-dark:#0A5C48;
  --brand-soft:#E7F2ED;
  --accent:#E4572E;
  --accent-dark:#C7451F;
  --hl:#F2C14E;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --dark:#12181A;
  --text:#1B2320;
  --muted:#63706B;
  --border:#E3E6E0;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(18,24,26,.06), 0 8px 24px rgba(18,24,26,.06);
  --shadow-hover:0 2px 5px rgba(18,24,26,.09), 0 16px 32px rgba(18,24,26,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
button{font:inherit}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(14,122,95,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-family:"Roboto Mono","Barlow","SFMono-Regular",Consolas,monospace;font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,247,244,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  border-bottom-color:var(--border);
  box-shadow:0 6px 20px rgba(18,24,26,.08);
}
.header-inner{display:flex;align-items:center;gap:20px;padding:14px 0}
.logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text)}
.logo:hover{color:var(--text)}
.logo-mark{
  width:44px;height:44px;border-radius:13px;
  background:linear-gradient(135deg,var(--brand) 0%,#0A5C48 100%);
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:.5px;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.14);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-main{font-weight:800;font-size:17px;letter-spacing:.6px}
.logo-sub{font-size:11.5px;color:var(--muted);letter-spacing:3.5px}
.nav-search{
  flex:1 1 auto;max-width:540px;position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  height:48px;padding:0 6px 0 16px;box-shadow:var(--shadow);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,122,95,.12)}
.nav-search .search-icon{width:18px;height:18px;color:var(--muted);flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:100%;
  padding:0 10px;font-size:15px;color:var(--text);outline:none;
}
.nav-search input::placeholder{color:#9AA5A0}
.search-btn{
  height:36px;padding:0 18px;border:0;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .2s ease;white-space:nowrap;
}
.search-btn:hover{background:var(--brand-dark);transform:translateY(-1px)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(228,87,46,.24)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,87,46,.28)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(14,122,95,.08);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:11px;border:1px solid var(--border);
  background:#fff;cursor:pointer;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.main-nav{border-top:1px solid rgba(227,230,224,.75)}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  display:inline-block;padding:12px 15px;font-size:15px;color:#3C4A45;
  border-bottom:3px solid transparent;border-radius:7px 7px 0 0;white-space:nowrap;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.nav-list a:hover{color:var(--brand);background:rgba(14,122,95,.06)}
.nav-list a.is-active{color:var(--brand);font-weight:700;border-bottom-color:var(--brand)}

/* ============ 面包屑 ============ */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border)}
.breadcrumb .container{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 32px;font-size:13.5px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C3CBC6}
.breadcrumb .current{color:#3C4A45;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章主体 ============ */
.article-shell{padding:44px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}

.article-head{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 36px;box-shadow:var(--shadow);
}
.article-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 13px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;letter-spacing:.5px;
}
.article-head h1{
  font-size:clamp(28px,3.4vw,44px);line-height:1.2;letter-spacing:-.4px;
  margin:16px 0 20px;font-weight:800;color:#131A17;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 24px;
  font-size:13.5px;color:var(--muted);
  border-top:1px solid var(--border);padding-top:18px;
}
.article-meta b{color:#3C4A45;font-weight:600}

.article-body{
  margin-top:24px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px;max-width:72ch}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);line-height:1.32;margin:40px 0 16px;
  padding-left:14px;border-left:4px solid var(--brand);font-weight:800;color:#131A17;
}
.article-body h3{font-size:19px;line-height:1.45;margin:28px 0 12px;font-weight:700;color:#1B2320}
.article-body h4{font-size:16.5px;margin:22px 0 10px;font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#26433A;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto}
.article-body ul,.article-body ol{list-style:none;margin:0 0 20px;padding-left:0}
.article-body ul>li{position:relative;padding-left:22px;margin:9px 0}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;
  border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:step}
.article-body ol>li{position:relative;padding-left:32px;margin:10px 0;counter-increment:step}
.article-body ol>li::before{
  content:counter(step);position:absolute;left:0;top:3px;width:21px;height:21px;
  border-radius:50%;background:var(--brand);color:#fff;font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:#F1F4F1;font-weight:700}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent)}
.article-body hr{border:0;border-top:1px solid var(--border);margin:32px 0}
.article-body code{background:#F1F4F1;border-radius:5px;padding:2px 6px;font-size:14px}

.note-strip{
  margin-top:24px;display:flex;align-items:flex-start;gap:14px;
  background:#FBFCFA;border:1px dashed #C9D3CD;border-radius:var(--radius);
  padding:18px 20px;font-size:14px;color:#4A574F;
}
.note-strip .dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-dark);display:grid;place-items:center;font-size:13px;font-weight:800;
}
.note-strip b{color:#243730}

.empty-state{
  border:1px dashed #C9D3CD;background:#FBFCFA;border-radius:var(--radius);
  padding:56px 28px;text-align:center;
}
.empty-state h2{font-size:20px;margin:0 0 10px;color:#243730}
.empty-state p{margin:0 auto 22px;color:var(--muted);font-size:15px;max-width:46ch}
.empty-state .btn{margin:0 4px}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:104px;display:grid;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:15px;margin:0 0 16px;letter-spacing:.4px;font-weight:800;
  display:flex;align-items:center;gap:9px;color:#1B2320;
}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);display:block}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:15px}
.side-list li{border-bottom:1px solid var(--border);padding-bottom:14px}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:14.5px;line-height:1.55;color:#2A3632;font-weight:600}
.side-list a:hover{color:var(--brand)}
.side-list time{display:block;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:5px}
.side-card .btn{width:100%;margin-top:16px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags a{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:#F1F4F1;color:#41504A;font-size:12.5px;font-weight:600;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.side-tags a:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#CFE3D9}

/* ============ 推荐卡片区 ============ */
.related-section{padding:0 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin:0;line-height:1.28;font-weight:800;letter-spacing:-.3px;color:#131A17}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:14.5px}
.link-more{font-size:14.5px;font-weight:700;border-bottom:2px solid rgba(14,122,95,.35);padding-bottom:2px;white-space:nowrap}
.link-more:hover{border-bottom-color:var(--accent)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.topic-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3DED7}
.topic-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDF1EE}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.topic-card:hover .thumb img{transform:scale(1.04)}
.topic-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-card h3{font-size:17.5px;margin:0;line-height:1.42;font-weight:700;color:#1B2320}
.topic-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;flex:1}
.topic-card .more{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.topic-card .more::after{content:"→";transition:transform .2s ease}
.topic-card:hover .more::after{transform:translateX(3px)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:18px;padding:42px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(18,24,26,.20);
}
.cta-band::before{
  content:"";position:absolute;inset:auto -60px -80px auto;width:340px;height:340px;
  background:radial-gradient(circle at center,rgba(14,122,95,.55),transparent 68%);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-copy{position:relative;z-index:1;max-width:62ch}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 10px;line-height:1.3;font-weight:800}
.cta-copy p{margin:0;color:#AFC0B9;font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.btn-light{background:#fff;color:#16201D;border-color:#fff}
.btn-light:hover{background:#F2C14E;border-color:#F2C14E;color:#16201D;transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C9D5D0;padding:64px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-sub{color:#8FA39B}
.footer-brand p{margin:0;font-size:14px;line-height:1.85;color:#98ABA3;max-width:38ch}
.footer-col h4{
  font-size:14px;color:#fff;margin:0 0 16px;letter-spacing:.6px;font-weight:700;
  padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{color:#A9BBB3;font-size:14px;transition:color .18s ease}
.footer-col a:hover{color:var(--hl)}
.footer-contact li{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;color:#A9BBB3}
.footer-contact li span:first-child{color:#7F938B}
.footer-contact li span:last-child{color:#CBD8D2;text-align:right}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#7F938B;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-search{max-width:380px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .header-inner{flex-wrap:wrap;gap:12px;padding:12px 0}
  .nav-search{order:3;flex:1 1 100%;max-width:100%}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-actions .btn-ghost{display:none}
  .main-nav{display:none;border-top:1px solid var(--border);background:#fff}
  .main-nav.is-open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;overflow:visible;padding:8px 0}
  .nav-list a{display:block;padding:11px 14px;border-bottom:0;border-left:3px solid transparent;border-radius:8px}
  .nav-list a.is-active{border-left-color:var(--brand);border-bottom-color:transparent;background:rgba(14,122,95,.07)}
  .breadcrumb .container{padding:12px 18px}
  .article-shell{padding:28px 0 60px}
  .article-head{padding:24px 20px}
  .article-body{padding:24px 20px;margin-top:18px}
  .article-body h2{margin-top:32px}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .related-section{padding-bottom:60px}
  .cta-band{padding:28px 22px;border-radius:14px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .site-footer{padding:44px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .logo-mark{width:40px;height:40px;border-radius:12px;font-size:14px}
  .logo-main{font-size:15.5px}
  .logo-sub{letter-spacing:3px;font-size:11px}
  .search-btn{padding:0 14px;font-size:13px}
  .header-actions .btn-primary{height:42px;padding:0 16px;font-size:14px}
  .article-head h1{font-size:26px}
  .article-meta{font-size:12.5px;gap:6px 16px}
  .article-body{padding:20px 16px}
  .note-strip{padding:15px 16px;font-size:13.5px}
  .empty-state{padding:40px 18px}
}

/* roulang page: category1 */
:root{
  --brand:#0E7A5F;
  --brand-dark:#0A5C48;
  --brand-soft:#E7F1ED;
  --accent:#E4572E;
  --accent-dark:#C8461F;
  --gold:#F2C14E;
  --ink:#12181A;
  --ink-2:#2B3437;
  --muted:#65726D;
  --paper:#F6F7F4;
  --card:#FFFFFF;
  --line:#E3E6E0;
  --line-soft:#EEF0EA;
  --r-card:14px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(18,24,26,.06);
  --shadow-2:0 1px 2px rgba(18,24,26,.06),0 8px 24px rgba(18,24,26,.06);
  --shadow-3:0 1px 2px rgba(18,24,26,.08),0 12px 32px rgba(18,24,26,.10);
  --container:1200px;
  --mono:"Barlow","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,247,244,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,24,26,.07)}
.header-top{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:12px 0}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;order:1}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:.5px;flex:none;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.logo-sub{font-size:11px;letter-spacing:2px;color:var(--brand);font-weight:600;margin-top:2px}

.search-box{
  order:2;flex:1 1 300px;max-width:520px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:4px 4px 4px 12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,122,95,.12)}
.search-icon{width:18px;height:18px;color:var(--muted);flex:none}
.search-input{
  flex:1 1 auto;min-width:0;height:38px;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.search-input::placeholder{color:#9AA5A0}
.search-btn{
  height:38px;padding:0 16px;border:0;border-radius:9px;background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease;flex:none;
}
.search-btn:hover{background:var(--brand-dark)}
.header-actions{order:3;margin-left:auto;display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:11px 20px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(228,87,46,.24)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,87,46,.28)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(14,122,95,.08)}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:0 8px 20px rgba(0,0,0,.14)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.2)}
.btn-block{width:100%}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.main-nav{border-top:1px solid var(--line-soft)}
.nav-list{display:flex;gap:4px;list-style:none;padding:6px 0;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:8px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-list a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-list a.is-active{color:var(--brand);font-weight:600}
.nav-list a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-list a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 48px;
  background:
    linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(18,24,26,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(18,24,26,.035) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 88%);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,122,95,.10),transparent 68%);pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--brand);transition:color .2s ease}
.crumbs a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:#B7C1BC}
.crumbs .current{color:var(--ink-2);font-weight:600}

.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.18;
  letter-spacing:-0.01em;
  font-weight:700;
  color:var(--ink);
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero-lead{
  font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:70ch;
}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px;
}
.badge-green{background:var(--brand-soft);color:var(--brand-dark)}
.badge-orange{background:#FDEDE7;color:#B43B18}
.badge-gold{background:#FDF3D8;color:#8A6410}
.badge-gray{background:#EEF0EA;color:#4A5551}

.hero-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-2);
}
.hero-figure img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure figcaption{
  padding:12px 16px;font-size:12.5px;color:var(--muted);background:#fff;border-top:1px solid var(--line-soft);
}

/* ---------- 文档主体 ---------- */
.doc-section{padding:64px 0 72px}
.doc-grid{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start}

.toc{
  position:sticky;top:132px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--shadow-1);
}
.toc h2{font-size:13px;letter-spacing:1.6px;color:var(--muted);font-weight:700;margin-bottom:14px}
.toc ol{list-style:none;counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:4px}
.toc a{
  display:flex;align-items:baseline;gap:10px;
  padding:9px 10px;border-radius:8px;font-size:14px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand);flex:none;
}
.toc a:hover{background:var(--brand-soft);color:var(--brand)}
.toc a.is-current{background:var(--brand-soft);color:var(--brand);font-weight:600}
.toc-note{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--muted);line-height:1.7;
}

.doc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 32px;box-shadow:var(--shadow-1);margin-bottom:22px;
  scroll-margin-top:140px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.doc-card:hover{box-shadow:var(--shadow-2)}
.doc-card h2{
  font-size:26px;line-height:1.3;font-weight:700;margin-bottom:14px;color:var(--ink);
  display:flex;align-items:center;gap:12px;
}
.doc-card h2 .num{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:8px;padding:4px 9px;flex:none;
}
.doc-card h3{font-size:18px;line-height:1.4;font-weight:700;margin:26px 0 10px;color:var(--ink)}
.doc-card p{margin:0 0 16px;color:var(--ink-2);max-width:72ch}
.doc-card p:last-child{margin-bottom:0}

.square-list{list-style:none;display:grid;gap:10px;margin:6px 0 16px}
.square-list li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.72;color:var(--ink-2);
}
.square-list li::before{
  content:"";position:absolute;left:2px;top:.66em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.square-list li strong{color:var(--ink)}

.note-box{
  display:flex;gap:12px;padding:16px 18px;border-radius:12px;
  background:#FBFCFA;border:1px solid var(--line);border-left:4px solid var(--brand);
  font-size:14.5px;line-height:1.75;color:var(--ink-2);margin:18px 0 4px;
}
.note-box .dot{
  flex:none;width:22px;height:22px;border-radius:6px;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:2px;
}

.doc-figure{
  margin:20px 0 4px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff;
}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.doc-figure figcaption{padding:10px 14px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line-soft)}

/* ---------- 登录步骤 ---------- */
.steps-section{padding:0 0 72px}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.28;font-weight:700;color:var(--ink);margin-bottom:12px}
.section-head p{font-size:15.5px;line-height:1.8;color:var(--muted);max-width:68ch}
.section-head .eyebrow{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:2px;font-weight:700;
  color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}

.steps{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 24px 24px 24px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D6DCD3}
.step-num{
  width:46px;height:46px;border-radius:12px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-family:var(--mono);font-size:17px;font-weight:700;flex:none;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.step p{font-size:14.5px;line-height:1.72;color:var(--muted)}

/* ---------- 问题处理 ---------- */
.issue-section{padding:0 0 72px}
.issue-list{display:grid;gap:12px}
.issue{
  display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.issue:hover{border-color:#D6DCD3;box-shadow:var(--shadow-2)}
.issue strong{color:var(--accent-dark);font-size:14.5px;font-weight:700}
.issue p{font-size:14.5px;line-height:1.72;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 76px}
.cta-inner{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--brand-dark),var(--brand));
  border-radius:20px;padding:44px 46px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;align-items:center;
  box-shadow:0 18px 40px rgba(14,122,95,.22);
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;top:-40px;width:300px;height:300px;
  background:repeating-linear-gradient(-45deg,rgba(255,255,255,.07) 0 10px,transparent 10px 26px);
  transform:rotate(8deg);pointer-events:none;
}
.cta-inner > *{position:relative;z-index:1}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;margin-bottom:12px}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 80px}
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:44px;align-items:start}
.faq-intro h2{font-size:clamp(24px,3vw,32px);line-height:1.28;font-weight:700;margin-bottom:14px}
.faq-intro p{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:18px}
.faq-tip{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:12px;padding:16px 18px;font-size:13.5px;line-height:1.75;color:var(--ink-2);
  box-shadow:var(--shadow-1);
}
.faq-list{display:grid;gap:12px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D6DCD3}
.faq-item[open]{border-color:rgba(14,122,95,.4);box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 56px 18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-4px}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--brand);font-weight:400;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 22px 20px;font-size:14.8px;line-height:1.78;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C8D2CD;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:42px}
.footer-brand .logo-mark{background:var(--brand)}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:var(--gold)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9FAEA8;max-width:34ch}
.footer-col h4{font-size:14px;letter-spacing:1px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9FAEA8;transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.footer-contact li{
  display:flex;justify-content:space-between;gap:14px;font-size:13.5px;color:#9FAEA8;line-height:1.7;
}
.footer-contact li span:first-child{color:#75837E;flex:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7F8C87;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 26px}
  .hero-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .doc-grid{grid-template-columns:230px minmax(0,1fr);gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:768px){
  .container{padding:0 18px}
  .header-top{padding:10px 0;gap:12px}
  .search-box{order:4;flex:1 1 100%;max-width:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav{display:none;border-top:1px solid var(--line-soft);background:rgba(255,255,255,.9)}
  .main-nav.is-open{display:block}
  .nav-list{flex-direction:column;gap:2px;padding:10px 0 16px}
  .nav-list a{padding:12px 14px;font-size:15px;border-radius:10px}
  .nav-list a.is-active::after{left:14px;right:auto;width:22px;bottom:6px}
  .page-hero{padding:36px 0 34px}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-figure{display:none}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-lead{font-size:15.5px}
  .doc-section{padding:44px 0 52px}
  .doc-grid{grid-template-columns:1fr;gap:24px}
  .toc{position:static;top:auto}
  .doc-card{padding:24px 20px}
  .doc-card h2{font-size:22px}
  .steps{grid-template-columns:1fr}
  .issue{grid-template-columns:1fr;gap:6px}
  .cta-inner{grid-template-columns:1fr;padding:32px 24px;border-radius:16px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .steps-section,.issue-section,.faq-section,.cta-band{padding-bottom:52px}
  .section-head{margin-bottom:24px}
}

@media (max-width:520px){
  .logo-main{font-size:16px}
  .badges{gap:8px}
  .badge{font-size:11.5px;padding:5px 11px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .search-btn{padding:0 12px;font-size:13px}
  .doc-card h2{font-size:20px}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 18px}
}

/* roulang page: category2 */
:root{
    --green:#0E7A5F;
    --green-dark:#0a5c47;
    --orange:#E4572E;
    --yellow:#F2C14E;
    --paper:#F6F7F4;
    --asphalt:#12181A;
    --ink:#1B2523;
    --ink-soft:#5E6C68;
    --line:#E3E6E0;
    --white:#FFFFFF;
    --radius-card:14px;
    --radius-btn:10px;
    --shadow-sm:0 1px 2px rgba(18,24,26,.06), 0 8px 24px rgba(18,24,26,.06);
    --shadow-md:0 1px 2px rgba(18,24,26,.08), 0 14px 32px rgba(18,24,26,.10);
    --gap-section:96px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--green);text-decoration:none;transition:color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;}
  a:hover{color:var(--green-dark);}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  .num{font-family:"Barlow","Roboto Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,247,244,.95);
    backdrop-filter:saturate(1.4) blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 1px 2px rgba(18,24,26,.06), 0 10px 26px rgba(18,24,26,.06);
  }
  .header-top{display:flex;align-items:center;gap:24px;min-height:78px;}
  .logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);}
  .logo:hover{color:var(--ink);}
  .logo-mark{
    width:42px;height:42px;flex:none;border-radius:12px;
    background:linear-gradient(150deg,var(--green),#0a5c47);
    color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em;
    display:flex;align-items:center;justify-content:center;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-main{font-size:17px;font-weight:700;letter-spacing:.01em;}
  .logo-sub{font-size:12px;color:var(--ink-soft);letter-spacing:.14em;}

  .search-form{position:relative;flex:1 1 320px;max-width:520px;}
  .search-form svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:19px;height:19px;stroke:var(--ink-soft);pointer-events:none;}
  .search-input{
    width:100%;height:48px;border-radius:12px;border:1px solid var(--line);
    background:#fff;padding:0 16px 0 46px;font-size:15px;color:var(--ink);
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .search-input::placeholder{color:#9AA5A1;}
  .search-input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(14,122,95,.12);}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
  }
  .btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(228,87,46,.24);}
  .btn-primary:hover{background:#cf4a23;color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,87,46,.30);}
  .btn-ghost{background:transparent;color:var(--green);border-color:var(--green);}
  .btn-ghost:hover{background:rgba(14,122,95,.08);color:var(--green-dark);}
  .btn-light{background:#fff;color:var(--green);}
  .btn-light:hover{background:#fff;color:var(--green-dark);transform:translateY(-2px);box-shadow:var(--shadow-md);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
  .btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}

  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:'';position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  .main-nav{border-top:1px solid rgba(227,230,224,.7);}
  .nav-list{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;}
  .nav-list::-webkit-scrollbar{display:none;}
  .nav-list a{
    display:inline-block;white-space:nowrap;
    padding:13px 14px 15px;font-size:15px;color:#3D4B47;position:relative;border-radius:10px 10px 0 0;
  }
  .nav-list a:hover{color:var(--green);background:rgba(14,122,95,.07);}
  .nav-list a.is-active{color:var(--ink);font-weight:700;}
  .nav-list a.is-active::after{
    content:'';position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:2px;background:var(--green);
  }

  /* ---------- banner ---------- */
  .page-banner{
    position:relative;overflow:hidden;background:var(--asphalt);
    min-height:372px;display:flex;align-items:center;
  }
  .page-banner img.banner-bg{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;
  }
  .page-banner::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(105deg,rgba(18,24,26,.92) 12%,rgba(18,24,26,.68) 55%,rgba(14,122,95,.42) 100%);
  }
  .banner-inner{position:relative;z-index:2;padding:64px 0 72px;color:#fff;max-width:760px;}
  .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px;}
  .breadcrumb a{color:rgba(255,255,255,.82);}
  .breadcrumb a:hover{color:var(--yellow);}
  .breadcrumb span.sep{opacity:.5;}
  .banner-tag{
    display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
    background:rgba(242,193,78,.16);border:1px solid rgba(242,193,78,.45);
    color:var(--yellow);font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
  }
  .banner-inner h1{font-size:46px;line-height:1.16;font-weight:700;letter-spacing:-.01em;}
  .banner-inner h1 em{font-style:normal;color:var(--yellow);}
  .banner-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);max-width:66ch;}
  .banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

  /* ---------- stat strip ---------- */
  .stat-strip{margin-top:-46px;position:relative;z-index:5;}
  .stat-grid{
    display:grid;grid-template-columns:repeat(4,1fr);
    background:var(--asphalt);border-radius:18px;overflow:hidden;
    box-shadow:var(--shadow-md);
  }
  .stat-item{padding:26px 26px 24px;border-left:1px solid rgba(255,255,255,.10);}
  .stat-item:first-child{border-left:none;}
  .stat-num{font-size:32px;font-weight:700;color:var(--yellow);line-height:1.15;}
  .stat-num small{font-size:15px;font-weight:600;color:rgba(242,193,78,.85);margin-left:3px;}
  .stat-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.02em;}

  /* ---------- sections ---------- */
  .section{padding:var(--gap-section) 0;}
  .section-tight{padding:64px 0;}
  .section-head{max-width:760px;margin-bottom:40px;}
  .eyebrow{
    display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
    color:var(--green);text-transform:uppercase;margin-bottom:12px;
  }
  .section-head h2{font-size:32px;line-height:1.28;font-weight:700;letter-spacing:-.01em;}
  .section-head p{margin-top:14px;font-size:16px;color:var(--ink-soft);max-width:70ch;}

  .two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
  .feature-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .22s ease, box-shadow .22s ease;
    display:flex;flex-direction:column;
  }
  .feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
  .feature-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDEFEA;}
  .feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
  .feature-card:hover .thumb img{transform:scale(1.04);}
  .feature-body{padding:26px 26px 28px;flex:1;display:flex;flex-direction:column;}
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.03em;
  }
  .badge-green{background:rgba(14,122,95,.10);color:var(--green);}
  .badge-orange{background:rgba(228,87,46,.10);color:#C2441F;}
  .badge-yellow{background:rgba(242,193,78,.22);color:#8A6A0C;}
  .badge-gray{background:#EDEFEA;color:#55635F;}
  .feature-body h3{margin:14px 0 10px;font-size:20px;line-height:1.4;font-weight:700;}
  .feature-body p{font-size:15px;color:var(--ink-soft);line-height:1.8;}
  .feature-list{margin-top:16px;display:grid;gap:9px;}
  .feature-list li{
    position:relative;padding-left:18px;font-size:14.5px;color:#3D4B47;line-height:1.65;
  }
  .feature-list li::before{
    content:'';position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
    background:var(--green);opacity:.85;
  }

  /* ---------- facility grid ---------- */
  .facility-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .facility-card{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px 24px 24px;box-shadow:var(--shadow-sm);
    transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  }
  .facility-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFD8D3;}
  .facility-card h3{font-size:18px;font-weight:700;margin:14px 0 8px;line-height:1.4;}
  .facility-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;}
  .facility-meta{
    margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
    display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  }
  .facility-meta .t{font-size:13px;color:var(--ink-soft);}
  .facility-meta .v{font-size:15px;font-weight:700;color:var(--green);}
  .facility-arrow{
    position:absolute;right:22px;top:24px;width:26px;height:26px;border-radius:8px;
    background:rgba(14,122,95,.08);color:var(--green);
    display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
    transition:background-color .2s ease, color .2s ease;
  }
  .facility-card:hover .facility-arrow{background:var(--green);color:#fff;}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .step{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px 22px;box-shadow:var(--shadow-sm);position:relative;
  }
  .step-no{
    width:34px;height:34px;border-radius:10px;background:rgba(14,122,95,.10);
    color:var(--green);font-size:15px;font-weight:700;
    display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  }
  .step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
  .step p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;}
  .step::after{
    content:'';position:absolute;top:40px;right:-14px;width:8px;height:8px;
    border-top:2px solid #C9D3CE;border-right:2px solid #C9D3CE;transform:rotate(45deg);
  }
  .step:last-child::after{display:none;}

  /* ---------- schedule table ---------- */
  .table-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-sm);
  }
  .table-scroll{overflow-x:auto;}
  table.schedule{width:100%;border-collapse:collapse;min-width:720px;}
  table.schedule th{
    background:#EDF3F0;color:var(--green);font-size:13px;font-weight:700;
    letter-spacing:.05em;text-align:left;padding:15px 20px;white-space:nowrap;
  }
  table.schedule td{
    padding:17px 20px;border-top:1px solid var(--line);font-size:15px;color:#33413D;vertical-align:middle;
  }
  table.schedule tbody tr:hover td{background:#FAFBF9;}
  .status{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;}
  .status::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--green);}
  .status.warn::before{background:var(--orange);}
  .status.idle::before{background:#9AA5A1;}
  .table-note{
    padding:16px 20px;background:#FAFBF9;border-top:1px solid var(--line);
    font-size:13.5px;color:var(--ink-soft);
  }

  /* ---------- faq ---------- */
  .faq-wrap{max-width:900px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:12px;
    margin-bottom:12px;overflow:hidden;
    transition:box-shadow .2s ease, border-color .2s ease;
  }
  .faq-item:hover{border-color:#CFD8D3;}
  .faq-item[open]{border-color:#CFD8D3;box-shadow:inset 3px 0 0 var(--green), var(--shadow-sm);}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 22px;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:'+';flex:none;width:26px;height:26px;border-radius:8px;
    background:rgba(14,122,95,.09);color:var(--green);
    display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;line-height:1;
  }
  .faq-item[open] summary::after{content:'−';background:var(--green);color:#fff;}
  .faq-answer{padding:0 22px 20px;font-size:15px;color:var(--ink-soft);line-height:1.85;max-width:74ch;}

  /* ---------- cta band ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:20px;background:var(--green);
    padding:46px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:0 18px 40px rgba(14,122,95,.22);
  }
  .cta-band::before{
    content:'';position:absolute;right:-60px;top:-70px;width:280px;height:280px;
    border-radius:50%;background:rgba(242,193,78,.16);
  }
  .cta-band::after{
    content:'';position:absolute;left:-80px;bottom:-110px;width:260px;height:260px;
    border-radius:50%;background:rgba(255,255,255,.08);
  }
  .cta-text{position:relative;z-index:2;max-width:640px;}
  .cta-text h2{font-size:28px;line-height:1.32;font-weight:700;}
  .cta-text p{margin-top:12px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.86);}
  .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--asphalt);color:rgba(255,255,255,.76);padding:72px 0 0;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
  .site-footer .logo{color:#fff;}
  .site-footer .logo:hover{color:#fff;}
  .site-footer .logo-mark{background:linear-gradient(150deg,#149C79,#0a5c47);}
  .site-footer .logo-main{color:#fff;}
  .site-footer .logo-sub{color:rgba(255,255,255,.55);}
  .footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch;}
  .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a{color:rgba(255,255,255,.68);font-size:14.5px;}
  .footer-col a:hover{color:var(--yellow);}
  .footer-contact li{display:flex;justify-content:space-between;gap:14px;font-size:14px;color:rgba(255,255,255,.62);}
  .footer-contact li span:last-child{color:rgba(255,255,255,.86);text-align:right;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.10);padding:22px 0 26px;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.48);
  }

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    :root{--gap-section:76px;}
    .banner-inner h1{font-size:38px;}
    .facility-grid{grid-template-columns:repeat(2,1fr);}
    .steps{grid-template-columns:repeat(2,1fr);}
    .step::after{display:none;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .stat-grid{grid-template-columns:repeat(2,1fr);}
    .stat-item{border-left:none;border-top:1px solid rgba(255,255,255,.10);}
    .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:none;}
  }
  @media (max-width:860px){
    .header-top{flex-wrap:wrap;padding:14px 0;gap:14px;min-height:auto;}
    .search-form{order:3;flex:1 1 100%;max-width:none;}
    .header-actions .btn-ghost{display:none;}
    .nav-toggle{display:flex;margin-left:auto;}
    .main-nav{display:none;}
    .main-nav.nav-open{display:block;}
    .nav-list{flex-direction:column;padding:8px 0 14px;gap:2px;}
    .nav-list a{padding:12px 12px;border-radius:10px;font-size:15.5px;}
    .nav-list a.is-active::after{left:12px;right:auto;width:22px;bottom:6px;}
    .two-col{grid-template-columns:1fr;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  }
  @media (max-width:768px){
    :root{--gap-section:56px;}
    .container{padding:0 18px;}
    .page-banner{min-height:auto;}
    .banner-inner{padding:44px 0 92px;}
    .banner-inner h1{font-size:31px;}
    .banner-sub{font-size:15.5px;}
    .section-head h2{font-size:25px;}
    .section-head p{font-size:15px;}
    .facility-grid,.steps{grid-template-columns:1fr;}
    .stat-strip{margin-top:-64px;}
    .stat-num{font-size:26px;}
    .stat-item{padding:20px 18px;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-text h2{font-size:23px;}
    .faq-item summary{font-size:16px;padding:16px 18px;}
    .faq-answer{padding:0 18px 18px;}
  }
  @media (max-width:520px){
    .logo-main{font-size:16px;}
    .banner-actions .btn{width:100%;}
    .header-actions .btn-primary{padding:0 14px;font-size:14px;}
    .footer-bottom{font-size:12.5px;}
  }

/* roulang page: category3 */
:root{
      --brand:#0E7A5F;
      --brand-dark:#0A5E48;
      --brand-soft:rgba(14,122,95,.08);
      --accent:#E4572E;
      --accent-dark:#C74622;
      --gold:#F2C14E;
      --paper:#F6F7F4;
      --ink:#12181A;
      --text:#1F2A2C;
      --muted:#5E6B6C;
      --line:#E3E6E0;
      --white:#FFFFFF;
      --radius:14px;
      --radius-sm:10px;
      --radius-lg:18px;
      --shadow:0 1px 2px rgba(18,24,26,.06), 0 8px 24px rgba(18,24,26,.06);
      --shadow-hover:0 2px 4px rgba(18,24,26,.08), 0 14px 34px rgba(18,24,26,.10);
      --mono:"Barlow","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
      --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    }

    body.page-root{
      margin:0;
      font-family:var(--sans);
      background:var(--paper);
      color:var(--text);
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    .page-root *,
    .page-root *::before,
    .page-root *::after{box-sizing:border-box;}
    .page-root h1,
    .page-root h2,
    .page-root h3,
    .page-root h4,
    .page-root p,
    .page-root ul,
    .page-root ol,
    .page-root figure{margin:0;}
    .page-root ul,
    .page-root ol{list-style:none;padding:0;}
    .page-root a{color:inherit;text-decoration:none;}
    .page-root img{display:block;max-width:100%;height:auto;}
    .page-root button,
    .page-root input,
    .page-root select,
    .page-root textarea{font:inherit;color:inherit;}
    .page-root :focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px;}

    .container{
      width:100%;
      max-width:1200px;
      margin:0 auto;
      padding:0 32px;
    }
    .section{padding:92px 0;}
    .section-tight{padding:64px 0;}
    .section-alt{background:var(--white);}
    .section-dark{background:var(--ink);color:#E9EFED;}
    .section-head{max-width:760px;margin-bottom:40px;}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      font-weight:700;
      letter-spacing:1.5px;
      color:var(--brand);
      text-transform:uppercase;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:24px;
      height:2px;
      background:var(--accent);
      display:inline-block;
    }
    .h2{
      font-size:clamp(24px,3vw,33px);
      line-height:1.25;
      font-weight:800;
      color:var(--ink);
      letter-spacing:-.2px;
    }
    .section-dark .h2{color:#fff;}
    .section-desc{
      margin-top:14px;
      color:var(--muted);
      font-size:16px;
      max-width:72ch;
    }
    .section-dark .section-desc{color:#A9BAB6;}
    .num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

    /* 按钮 */
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:48px;
      padding:0 24px;
      border-radius:var(--radius-sm);
      font-size:15px;
      font-weight:700;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .18s ease, background-color .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .btn-primary{background:var(--accent);color:#fff;}
    .btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,87,46,.28);}
    .btn-primary:active{transform:translateY(0);}
    .btn-solid{background:var(--brand);color:#fff;}
    .btn-solid:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,122,95,.26);}
    .btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
    .btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
    .btn-outline-light{border-color:rgba(255,255,255,.65);color:#fff;background:rgba(255,255,255,.06);}
    .btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}
    .btn-light{background:#fff;color:var(--brand);}
    .btn-light:hover{background:#F1F6F4;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.16);}
    .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:700;
      color:var(--brand);
      border-bottom:2px solid transparent;
      transition:border-color .18s ease, gap .18s ease;
    }
    .link-arrow:hover{border-bottom-color:var(--brand);gap:10px;}

    /* 徽章 */
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      letter-spacing:.3px;
      line-height:1.6;
    }
    .badge-green{background:rgba(14,122,95,.10);color:var(--brand-dark);}
    .badge-orange{background:rgba(228,87,46,.12);color:#B23E1C;}
    .badge-gold{background:rgba(242,193,78,.24);color:#7A5A06;}
    .badge-gray{background:#EDEFEA;color:#55605F;}

    /* 头部 */
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(246,247,244,.94);
      backdrop-filter:blur(12px);
      -webkit-backdrop-filter:blur(12px);
      border-bottom:1px solid transparent;
      transition:box-shadow .2s ease, border-color .2s ease;
    }
    .site-header.is-scrolled{
      border-bottom-color:var(--line);
      box-shadow:0 6px 20px rgba(18,24,26,.07);
    }
    .header-top-inner{
      display:flex;
      align-items:center;
      gap:20px;
      padding-top:14px;
      padding-bottom:14px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:12px;
      background:linear-gradient(150deg,var(--brand),#09553F);
      color:#fff;
      font-size:13px;
      font-weight:800;
      letter-spacing:.5px;
      display:grid;
      place-items:center;
      box-shadow:0 6px 16px rgba(14,122,95,.28);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.15;}
    .logo-main{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px;}
    .logo-sub{font-size:11px;font-weight:600;color:var(--brand);letter-spacing:2px;}

    .header-search{
      flex:1 1 auto;
      max-width:520px;
      display:flex;
      align-items:center;
      gap:10px;
      height:48px;
      padding:0 6px 0 16px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:999px;
      box-shadow:0 1px 2px rgba(18,24,26,.04);
      transition:border-color .18s ease, box-shadow .18s ease;
    }
    .header-search:focus-within{
      border-color:var(--brand);
      box-shadow:0 0 0 3px rgba(14,122,95,.14);
    }
    .header-search svg{flex:0 0 auto;color:var(--muted);}
    .header-search input{
      flex:1 1 auto;
      min-width:0;
      height:100%;
      border:0;
      outline:0;
      background:transparent;
      font-size:14.5px;
      color:var(--text);
    }
    .header-search input::placeholder{color:#9AA6A4;}
    .header-search button{
      flex:0 0 auto;
      height:36px;
      padding:0 18px;
      border:0;
      border-radius:999px;
      background:var(--brand);
      color:#fff;
      font-size:13.5px;
      font-weight:700;
      cursor:pointer;
      transition:background-color .18s ease;
    }
    .header-search button:hover{background:var(--brand-dark);}

    .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      border-radius:12px;
      background:#fff;
      color:var(--ink);
      cursor:pointer;
    }
    .nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

    .main-nav{border-top:1px solid rgba(227,230,224,.9);}
    .nav-list{
      display:flex;
      align-items:center;
      gap:4px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .nav-list::-webkit-scrollbar{display:none;}
    .nav-list a{
      display:inline-flex;
      align-items:center;
      padding:13px 14px;
      font-size:14.5px;
      font-weight:600;
      color:var(--muted);
      border-bottom:3px solid transparent;
      white-space:nowrap;
      transition:color .18s ease, border-color .18s ease, background-color .18s ease;
    }
    .nav-list a:hover{color:var(--ink);background:rgba(14,122,95,.05);}
    .nav-list a.is-active{color:var(--brand);border-bottom-color:var(--brand);font-weight:800;}

    .mobile-menu{
      display:none;
      border-top:1px solid var(--line);
      background:#fff;
      padding:18px 0 24px;
    }
    .mobile-menu.is-open{display:block;}
    .mobile-search{
      display:flex;
      align-items:center;
      gap:10px;
      height:46px;
      padding:0 8px 0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      margin-bottom:14px;
    }
    .mobile-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14px;}
    .mobile-menu ul{display:grid;gap:2px;}
    .mobile-menu ul a{
      display:block;
      padding:12px 14px;
      border-radius:10px;
      font-size:15px;
      font-weight:600;
      color:var(--text);
    }
    .mobile-menu ul a:hover{background:var(--brand-soft);color:var(--brand);}
    .mobile-menu ul a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:800;}

    /* Hero */
    .page-hero{
      position:relative;
      overflow:hidden;
      padding:56px 0 76px;
      color:#fff;
      background-image:url('/assets/images/backpic/back-2.webp');
      background-size:cover;
      background-position:center;
    }
    .page-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(102deg, rgba(10,26,23,.94) 0%, rgba(11,58,47,.88) 48%, rgba(18,24,26,.62) 100%);
    }
    .hero-inner{position:relative;z-index:2;}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
      gap:48px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      font-size:13px;
      color:rgba(255,255,255,.70);
      margin-bottom:20px;
    }
    .breadcrumb a:hover{color:var(--gold);}
    .breadcrumb [aria-current]{color:#fff;font-weight:600;}
    .hero-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:5px 14px;
      border-radius:999px;
      background:rgba(242,193,78,.16);
      border:1px solid rgba(242,193,78,.42);
      color:var(--gold);
      font-size:12.5px;
      font-weight:700;
      letter-spacing:1px;
      margin-bottom:18px;
    }
    .hero-title{
      font-size:clamp(30px,4vw,48px);
      line-height:1.16;
      font-weight:800;
      letter-spacing:-.5px;
      color:#fff;
      max-width:22ch;
    }
    .hero-sub{
      margin-top:18px;
      font-size:16.5px;
      line-height:1.85;
      color:rgba(255,255,255,.84);
      max-width:64ch;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

    .hero-card{
      background:rgba(255,255,255,.96);
      border-radius:var(--radius-lg);
      padding:26px;
      color:var(--text);
      box-shadow:0 18px 44px rgba(6,20,17,.28);
      border:1px solid rgba(255,255,255,.6);
    }
    .hero-card-title{
      font-size:16px;
      font-weight:800;
      color:var(--ink);
      letter-spacing:.2px;
      padding-bottom:14px;
      border-bottom:1px solid var(--line);
    }
    .hero-check{display:grid;gap:12px;margin-top:16px;}
    .hero-check li{
      display:flex;
      gap:10px;
      font-size:14.5px;
      line-height:1.7;
      color:var(--text);
    }
    .hero-check .dot{
      flex:0 0 auto;
      width:8px;
      height:8px;
      margin-top:9px;
      border-radius:50%;
      background:var(--brand);
    }
    .hero-stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:20px;
      padding-top:18px;
      border-top:1px dashed var(--line);
    }
    .hero-stats span{display:block;}
    .hero-stats .num{
      font-size:22px;
      font-weight:800;
      color:var(--brand-dark);
      letter-spacing:-.3px;
    }
    .hero-stats .lbl{font-size:12.5px;color:var(--muted);margin-top:2px;}
    .hero-stripe{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:8px;
      z-index:3;
      background:linear-gradient(90deg,var(--accent) 0 32%,var(--gold) 32% 62%,var(--brand) 62% 100%);
    }

    /* 导语 */
    .lead-grid{
      display:grid;
      grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
      gap:48px;
      align-items:start;
    }
    .lead-text p{
      font-size:16.5px;
      line-height:1.95;
      color:#2B3A3B;
      max-width:72ch;
    }
    .lead-text p + p{margin-top:18px;}
    .lead-aside{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:26px;
      box-shadow:var(--shadow);
    }
    .lead-aside h3{
      font-size:17px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:14px;
    }
    .lead-aside ul{display:grid;gap:10px;}
    .lead-aside li{
      display:flex;
      gap:10px;
      font-size:14.5px;
      color:var(--muted);
      line-height:1.65;
    }
    .lead-aside li::before{
      content:"";
      flex:0 0 auto;
      width:6px;
      height:6px;
      margin-top:9px;
      background:var(--accent);
      border-radius:1px;
    }

    /* 时间轴 */
    .timeline{position:relative;margin-top:8px;}
    .timeline::before{
      content:"";
      position:absolute;
      left:19px;
      top:10px;
      bottom:26px;
      width:2px;
      background:linear-gradient(180deg,var(--brand) 0%, rgba(14,122,95,.35) 60%, rgba(14,122,95,.08) 100%);
    }
    .tl-item{position:relative;padding-left:66px;padding-bottom:30px;}
    .tl-item:last-child{padding-bottom:0;}
    .tl-dot{
      position:absolute;
      left:0;
      top:2px;
      width:40px;
      height:40px;
      border-radius:12px;
      background:#fff;
      border:1px solid var(--line);
      display:grid;
      place-items:center;
      font-family:var(--mono);
      font-size:14px;
      font-weight:700;
      color:var(--brand);
      box-shadow:var(--shadow);
    }
    .tl-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:24px 26px;
      box-shadow:var(--shadow);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .tl-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(14,122,95,.35);
    }
    .tl-card h3{
      font-size:19px;
      font-weight:800;
      color:var(--ink);
      line-height:1.4;
      margin-bottom:10px;
    }
    .tl-card p{color:var(--muted);font-size:15px;line-height:1.85;max-width:70ch;}
    .tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

    /* 检查清单卡 */
    .card-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:24px;
    }
    .check-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .check-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(14,122,95,.3);
    }
    .check-card .cc-index{
      font-family:var(--mono);
      font-size:13px;
      font-weight:700;
      color:var(--accent);
      letter-spacing:1px;
    }
    .check-card h3{font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.45;}
    .check-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

    .notice{
      margin-top:32px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:14px;
      background:rgba(14,122,95,.06);
      border:1px solid rgba(14,122,95,.18);
      border-left:4px solid var(--brand);
      border-radius:12px;
      padding:16px 20px;
      font-size:14.5px;
      color:#2E4C45;
    }
    .notice strong{color:var(--brand-dark);}

    /* 情形对照 */
    .split{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(0,1fr);
      gap:28px;
      align-items:stretch;
    }
    .split-figure{
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      background:#fff;
    }
    .split-figure img{
      width:100%;
      height:100%;
      min-height:280px;
      object-fit:cover;
    }
    .split-panels{display:grid;gap:20px;}
    .panel{
      border-radius:var(--radius);
      padding:24px 26px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .panel h3{
      font-size:17.5px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:6px;
    }
    .panel .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:14px;}
    .panel ul{display:grid;gap:9px;}
    .panel li{
      display:flex;
      gap:10px;
      font-size:14.5px;
      line-height:1.7;
      color:#31403F;
    }
    .panel li::before{
      content:"";
      flex:0 0 auto;
      width:14px;
      height:14px;
      margin-top:5px;
      border-radius:4px;
      background:var(--brand-soft);
      border:1px solid rgba(14,122,95,.35);
    }
    .panel-accent{border-color:rgba(228,87,46,.28);background:#FFF9F6;}
    .panel-accent li::before{background:rgba(228,87,46,.12);border-color:rgba(228,87,46,.4);}

    /* FAQ */
    .faq-list{display:grid;gap:12px;max-width:900px;}
    .faq-item{
      position:relative;
      background:#fff;
      border:1px solid var(--line);
      border-radius:12px;
      overflow:hidden;
      transition:border-color .2s ease, box-shadow .2s ease;
    }
    .faq-item:hover{border-color:rgba(14,122,95,.3);box-shadow:var(--shadow);}
    .faq-item.is-open{border-color:rgba(14,122,95,.4);box-shadow:var(--shadow);}
    .faq-item::before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      bottom:0;
      width:3px;
      background:var(--brand);
      transform:scaleY(0);
      transform-origin:top;
      transition:transform .24s ease;
    }
    .faq-item.is-open::before{transform:scaleY(1);}
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 22px;
      background:transparent;
      border:0;
      cursor:pointer;
      text-align:left;
      font-size:17px;
      font-weight:700;
      color:var(--ink);
      line-height:1.55;
    }
    .faq-icon{
      flex:0 0 auto;
      width:26px;
      height:26px;
      border-radius:50%;
      border:1px solid var(--line);
      display:grid;
      place-items:center;
      color:var(--brand);
      font-size:16px;
      line-height:1;
      transition:transform .24s ease, background-color .24s ease, color .24s ease, border-color .24s ease;
    }
    .faq-item.is-open .faq-icon{
      transform:rotate(45deg);
      background:var(--brand);
      border-color:var(--brand);
      color:#fff;
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
    .faq-a-inner{
      padding:0 22px 20px;
      font-size:15px;
      line-height:1.9;
      color:var(--muted);
      max-width:70ch;
    }

    /* CTA 条 */
    .cta-band{
      background:linear-gradient(120deg,var(--brand) 0%, #0B6550 60%, #09553F 100%);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:42px 44px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      flex-wrap:wrap;
      box-shadow:0 18px 40px rgba(14,122,95,.22);
    }
    .cta-band h2{font-size:clamp(22px,2.6vw,29px);font-weight:800;line-height:1.32;max-width:26ch;}
    .cta-band p{margin-top:10px;color:rgba(255,255,255,.86);font-size:15px;max-width:52ch;line-height:1.8;}

    /* 表单 */
    .form-wrap{
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(0,1.15fr);
      gap:44px;
      align-items:start;
    }
    .form-side .h2{color:#fff;}
    .form-side p{margin-top:16px;color:#A9BAB6;font-size:15.5px;line-height:1.9;max-width:48ch;}
    .form-facts{display:grid;gap:14px;margin-top:26px;}
    .form-facts li{
      display:flex;
      gap:12px;
      font-size:14.5px;
      color:#C6D4D1;
      line-height:1.7;
    }
    .form-facts .k{
      flex:0 0 auto;
      min-width:82px;
      color:var(--gold);
      font-weight:700;
    }
    .form-card{
      background:#fff;
      border-radius:var(--radius-lg);
      padding:30px;
      box-shadow:0 20px 46px rgba(0,0,0,.24);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
    .field{display:flex;flex-direction:column;}
    .field-full{grid-column:1 / -1;}
    .field label{
      font-size:14px;
      font-weight:700;
      color:var(--ink);
      margin-bottom:8px;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      height:46px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      background:#FBFCFA;
      font-size:14.5px;
      color:var(--text);
      transition:border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
    }
    .field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
    .field input::placeholder,
    .field textarea::placeholder{color:#9AA6A4;}
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      outline:none;
      border-color:var(--brand);
      background:#fff;
      box-shadow:0 0 0 3px rgba(14,122,95,.14);
    }
    .form-note{
      grid-column:1 / -1;
      font-size:13px;
      color:var(--muted);
      line-height:1.7;
    }
    .form-submit{
      grid-column:1 / -1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:16px;
    }
    .form-hint{
      display:none;
      font-size:13.5px;
      font-weight:700;
      color:var(--brand-dark);
    }
    .form-hint.is-visible{display:inline-block;}

    /* 页脚 */
    .site-footer{
      background:var(--ink);
      color:#C9D4D1;
      padding:66px 0 0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1.2fr;
      gap:40px;
      padding-bottom:48px;
    }
    .site-footer .logo-main{color:#fff;}
    .site-footer .logo-sub{color:var(--gold);}
    .footer-brand p{
      margin-top:18px;
      font-size:14px;
      line-height:1.85;
      color:#9FB1AD;
      max-width:38ch;
    }
    .footer-col h4{
      font-size:15px;
      font-weight:800;
      color:#fff;
      margin-bottom:16px;
      letter-spacing:.4px;
    }
    .footer-col ul{display:grid;gap:10px;}
    .footer-col a{
      font-size:14px;
      color:#A9BAB6;
      transition:color .18s ease, padding-left .18s ease;
    }
    .footer-col a:hover{color:var(--gold);padding-left:4px;}
    .footer-contact li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      font-size:13.5px;
      color:#9FB1AD;
      line-height:1.7;
    }
    .footer-contact li span:first-child{color:#7E938E;flex:0 0 auto;}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.12);
      padding:20px 0;
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      font-size:13px;
      color:#8FA29E;
    }

    @media (max-width:1024px){
      .container{padding:0 26px;}
      .hero-grid{grid-template-columns:1fr;gap:34px;}
      .hero-title{max-width:none;}
      .lead-grid{grid-template-columns:1fr;gap:32px;}
      .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
      .split{grid-template-columns:1fr;}
      .split-figure img{min-height:240px;}
      .form-wrap{grid-template-columns:1fr;gap:32px;}
      .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
      .section{padding:76px 0;}
    }

    @media (max-width:820px){
      .header-search{display:none;}
      .main-nav{display:none;}
      .nav-toggle{display:inline-flex;}
      .header-actions .btn{display:none;}
    }

    @media (max-width:768px){
      .container{padding:0 18px;}
      .section{padding:56px 0;}
      .section-tight{padding:48px 0;}
      .page-hero{padding:38px 0 60px;}
      .hero-sub{font-size:15.5px;}
      .hero-actions .btn{width:100%;}
      .hero-card{padding:22px;}
      .card-grid{grid-template-columns:1fr;}
      .tl-item{padding-left:0;padding-bottom:22px;padding-top:56px;}
      .timeline::before{left:12px;top:56px;bottom:40px;}
      .tl-dot{left:0;top:0;width:36px;height:36px;border-radius:10px;}
      .tl-card{padding:20px;}
      .cta-band{padding:28px 24px;}
      .cta-band .btn{width:100%;}
      .form-card{padding:22px;}
      .form-grid{grid-template-columns:1fr;}
      .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
      .footer-bottom{flex-direction:column;align-items:flex-start;}
      .h2{font-size:24px;}
    }

    @media (max-width:520px){
      .logo-mark{width:38px;height:38px;font-size:12px;}
      .logo-main{font-size:15.5px;}
      .hero-stats{grid-template-columns:1fr;}
      .faq-q{font-size:15.5px;padding:16px 18px;}
      .faq-a-inner{padding:0 18px 18px;}
      .notice{padding:14px 16px;font-size:13.5px;}
    }

/* roulang page: category4 */
:root{
  --green:#0E7A5F;
  --green-deep:#0A5A46;
  --green-soft:#E7F2EE;
  --orange:#E4572E;
  --orange-soft:#FCEDE7;
  --yellow:#F2C14E;
  --yellow-soft:#FDF4DF;
  --ink:#12181A;
  --text:#1B2422;
  --muted:#5C6B66;
  --line:#E3E6E0;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --dark:#12181A;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(18,24,26,.06),0 8px 24px rgba(18,24,26,.06);
  --shadow-hover:0 2px 6px rgba(18,24,26,.08),0 16px 34px rgba(18,24,26,.10);
  --container:1200px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.page-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(14,122,95,.45);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--green);color:#fff;padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;z-index:200}
.skip-link:focus{left:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,247,244,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(18,24,26,.07)}
.header-top{display:flex;align-items:center;gap:24px;padding:14px 0}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--green);color:#fff;font-size:15px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(14,122,95,.22);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-main{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.logo-sub{font-size:12px;color:var(--muted);letter-spacing:2px}
.header-search{flex:1 1 auto;max-width:580px}
.search-form{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:6px 8px 6px 16px;box-shadow:var(--shadow);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(14,122,95,.14)}
.search-form svg{flex:none;color:var(--muted)}
.search-input{flex:1 1 auto;min-width:0;height:36px;border:0;background:transparent;outline:none;font-size:15px}
.search-input::placeholder{color:#9AA6A1}
.search-btn{
  flex:none;height:36px;padding:0 18px;border:0;border-radius:var(--radius-pill);
  background:var(--green);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .18s ease;
}
.search-btn:hover{background:var(--green-deep)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;margin-left:auto}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(228,87,46,.24)}
.btn-primary:hover{background:#cf4a24;transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,87,46,.28)}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:rgba(14,122,95,.08);transform:translateY(-2px)}
.btn-ghost{height:42px;padding:0 16px;background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.btn-light{background:#fff;color:var(--green-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-light:hover{transform:translateY(-2px);background:#F4F8F6}
.btn-sm{height:40px;padding:0 16px;font-size:14px}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);cursor:pointer;color:var(--ink);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}

.main-nav{border-top:1px solid rgba(227,230,224,.75)}
.nav-list{display:flex;align-items:center;gap:30px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  display:inline-block;padding:13px 2px;font-size:15px;font-weight:500;color:var(--muted);
  border-bottom:3px solid transparent;white-space:nowrap;
  transition:color .2s ease,border-color .2s ease;
}
.nav-list a:hover{color:var(--green)}
.nav-list a.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--green)}
.mobile-search{display:none;padding:6px 0 14px}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 76px;
  background:
    radial-gradient(880px 360px at 88% -12%, rgba(14,122,95,.12), transparent 70%),
    radial-gradient(620px 300px at 4% 6%, rgba(242,193,78,.16), transparent 68%),
    linear-gradient(180deg,#F1F4EF 0%, var(--bg) 100%);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:16px;
  background:linear-gradient(180deg,rgba(18,24,26,.05),transparent);
  clip-path:polygon(0 0,100% 0,100% 100%,0 40%);
  opacity:.6;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:start}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#AEB8B3}
.breadcrumb .current{color:var(--ink);font-weight:600}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.4px;
}
.badge-green{background:var(--green-soft);color:var(--green-deep)}
.badge-orange{background:var(--orange-soft);color:#B33F1C}
.badge-yellow{background:var(--yellow-soft);color:#8A6410}
.badge-gray{background:#ECEFEA;color:#4E5B56}

.hero-title{
  font-size:46px;line-height:1.16;font-weight:800;letter-spacing:-.6px;
  color:var(--ink);margin:16px 0 20px;
}
.hero-lead{font-size:16px;line-height:1.8;color:#3C4A45;max-width:72ch;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fact{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;box-shadow:var(--shadow);
}
.fact-num{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--green-deep);line-height:1.2}
.fact-label{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.5}

.hero-figure{
  margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.hero-figure:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#E9EDE7}
.hero-figure figcaption{
  padding:14px 18px;font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);background:#FBFCFA;line-height:1.6;
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:#EFF3EE}
.section-head{max-width:800px;margin-bottom:38px}
.section-title{font-size:32px;line-height:1.28;font-weight:800;color:var(--ink);letter-spacing:-.3px;margin-bottom:12px}
.section-desc{color:var(--muted);font-size:16px;line-height:1.8;max-width:72ch}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--green);text-transform:uppercase;margin-bottom:10px;
}

/* spec table */
.table-wrap{
  overflow-x:auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
}
.spec-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.spec-table thead th{
  text-align:left;padding:16px 20px;font-size:13px;font-weight:700;letter-spacing:.6px;
  color:var(--green-deep);background:#F1F6F3;border-bottom:1px solid var(--line);white-space:nowrap;
}
.spec-table tbody td{
  padding:17px 20px;border-top:1px solid var(--line);vertical-align:top;color:#33413C;line-height:1.7;
}
.spec-table tbody tr:first-child td{border-top:0}
.spec-table tbody tr{transition:background-color .18s ease}
.spec-table tbody tr:hover{background:#FAFBF9}
.device-name{font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
.dot-green{background:var(--green)}
.dot-orange{background:var(--orange)}
.dot-yellow{background:var(--yellow)}
.dot-gray{background:#9AA6A1}
.mono{font-family:var(--font-num);font-size:14px;letter-spacing:.2px}
.table-note{
  margin-top:16px;font-size:13.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;
  background:#FBFCFA;border:1px dashed #D8DFD9;border-radius:12px;padding:14px 18px;
}
.table-note strong{color:var(--ink);font-weight:700}

/* compare bars */
.compare-list{display:grid;gap:16px}
.compare-row{
  display:grid;grid-template-columns:236px 1fr 84px;align-items:center;gap:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3DBD4}
.compare-label{font-weight:700;color:var(--ink);font-size:15.5px;line-height:1.5}
.compare-label small{display:block;font-weight:400;font-size:13px;color:var(--muted);margin-top:3px;line-height:1.5}
.bar-track{height:12px;border-radius:var(--radius-pill);background:#EDEFEA;overflow:hidden}
.bar-fill{height:100%;border-radius:var(--radius-pill);transition:width .6s cubic-bezier(.2,.7,.3,1)}
.fill-green{background:linear-gradient(90deg,#0E7A5F,#16A47E)}
.fill-orange{background:linear-gradient(90deg,#E4572E,#F2803C)}
.fill-yellow{background:linear-gradient(90deg,#E0A92F,#F2C14E)}
.fill-gray{background:linear-gradient(90deg,#8C9A94,#B4BFBA)}
.compare-value{font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--green-deep);text-align:right}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3DBD4}
.step-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--orange);margin-bottom:12px;
}
.step h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.4}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* dark metrics */
.section-dark{
  position:relative;color:#E8EDEA;
  background:
    linear-gradient(rgba(18,24,26,.93),rgba(18,24,26,.96)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.section-dark .section-title{color:#fff}
.section-dark .section-desc{color:#A9B6B0}
.section-dark .eyebrow{color:var(--yellow)}
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius);overflow:hidden;
}
.metric{padding:28px 24px;border-right:1px solid rgba(255,255,255,.10)}
.metric:last-child{border-right:0}
.metric-num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--yellow);line-height:1.2;letter-spacing:.5px}
.metric-label{font-size:13px;color:#A9B6B0;margin-top:8px;line-height:1.6}
.band-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.band-card{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.10);
  border-radius:12px;padding:20px 22px;transition:background-color .2s ease,border-color .2s ease;
}
.band-card:hover{background:rgba(255,255,255,.075);border-color:rgba(242,193,78,.35)}
.band-card h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:8px}
.band-card p{font-size:13.5px;color:#A9B6B0;line-height:1.7}
.band-card .mono{color:var(--yellow);font-weight:700}

/* faq */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--green);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open::before{opacity:1}
.faq-item:hover{border-color:#D3DBD4}
.faq-item.is-open{box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;border:0;background:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--green);
  transition:transform .25s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--green);color:#fff;border-color:var(--green)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px 22px;font-size:15px;color:#44524D;line-height:1.8;max-width:72ch}

/* cta band */
.cta-band{
  background:linear-gradient(120deg,#0E7A5F 0%, #0A5A46 62%, #0B4F3F 100%);
  color:#fff;padding:68px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-copy h2{font-size:30px;line-height:1.3;font-weight:800;margin-bottom:12px;letter-spacing:-.3px}
.cta-copy p{font-size:15.5px;color:rgba(255,255,255,.82);line-height:1.8;max-width:62ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-on-green{background:#fff;color:var(--green-deep)}
.btn-on-green:hover{transform:translateY(-2px);background:#F2F8F5}
.btn-outline-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* footer */
.site-footer{background:var(--dark);color:#C9D3CE;padding:66px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px}
.site-footer .logo-mark{background:rgba(255,255,255,.10);box-shadow:none}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:#8D9A95}
.footer-brand p{font-size:14px;color:#9FADA7;line-height:1.8;margin-top:16px;max-width:36ch}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:#C9D3CE;transition:color .2s ease}
.footer-col a:hover{color:var(--yellow)}
.footer-contact{display:grid;gap:10px;font-size:13.5px}
.footer-contact li{
  display:flex;justify-content:space-between;gap:14px;
  padding-bottom:9px;border-bottom:1px dashed rgba(255,255,255,.12);color:#9FADA7;
}
.footer-contact li span:last-child{color:#DCE4E0;text-align:right}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8D9A95;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:38px}
  .hero-figure{order:-1}
  .steps{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(255,255,255,.10)}
  .band-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .compare-row{grid-template-columns:200px 1fr 72px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .header-top{gap:14px;padding:12px 0}
  .header-search{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-search{display:block;padding:4px 0 14px}
  .nav-list{
    display:none;flex-direction:column;align-items:stretch;gap:0;
    border-top:1px solid var(--line);padding:6px 0 12px;
  }
  .nav-list.is-open{display:flex}
  .nav-list a{display:block;padding:12px 4px;border-bottom:1px solid #EDF0EB;border-left:3px solid transparent}
  .nav-list a.is-active{border-bottom-color:#EDF0EB;border-left-color:var(--green);padding-left:10px}
  .section{padding:56px 0}
  .page-hero{padding:34px 0 52px}
  .hero-title{font-size:32px;letter-spacing:-.3px}
  .hero-lead{font-size:15.5px}
  .hero-facts{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .cta-copy h2{font-size:24px}
  .steps{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr;gap:12px;padding:18px 18px}
  .compare-value{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px 18px}
  .metric{padding:22px 18px}
  .metric-num{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .search-btn{padding:0 14px}
}
@media (max-width:520px){
  .hero-title{font-size:28px}
  .section-title{font-size:22px}
  .logo-main{font-size:16px}
  .logo-sub{letter-spacing:1px}
  .hero-actions .btn{flex:1 1 100%}
  .metric-grid{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.10)}
  .metric:last-child{border-bottom:0}
}

/* roulang page: category5 */
:root{
    --brand:#0E7A5F;
    --brand-600:#0B6650;
    --brand-050:#E8F2EF;
    --accent:#E4572E;
    --accent-600:#C8461F;
    --gold:#F2C14E;
    --paper:#F6F7F4;
    --surface:#FFFFFF;
    --ink:#12181A;
    --ink-2:#1D2624;
    --muted:#5A6663;
    --line:#E3E6E0;
    --radius-card:14px;
    --radius-btn:10px;
    --shadow-sm:0 1px 2px rgba(18,24,26,.06);
    --shadow-md:0 1px 2px rgba(18,24,26,.06),0 8px 24px rgba(18,24,26,.06);
    --shadow-lg:0 2px 4px rgba(18,24,26,.07),0 14px 34px rgba(18,24,26,.10);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink-2);
    font-family:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer}
  input,select,textarea{font:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  .num{font-family:"Barlow","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;letter-spacing:.01em}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
  :focus-visible{outline:3px solid rgba(14,122,95,.45);outline-offset:2px;border-radius:6px}

  /* ===== Header ===== */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:box-shadow .22s ease,border-color .22s ease;
  }
  .site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,24,26,.07)}
  .header-top{display:flex;align-items:center;gap:26px;padding:13px 0}
  .logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
  .logo-mark{
    width:40px;height:40px;border-radius:12px;
    background:linear-gradient(150deg,#12906F 0%,var(--brand-600) 100%);
    color:#fff;display:grid;place-items:center;
    font-size:14px;font-weight:700;letter-spacing:.02em;
    box-shadow:0 6px 14px rgba(14,122,95,.28);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-main{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em}
  .logo-sub{font-size:11px;color:var(--muted);letter-spacing:.18em}
  .nav-search{position:relative;flex:1 1 auto;max-width:520px}
  .nav-search input{
    width:100%;height:48px;border-radius:999px;
    border:1px solid var(--line);
    background:#fff;
    padding:0 22px 0 48px;
    color:var(--ink-2);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .nav-search input::placeholder{color:#94A09B}
  .nav-search input:focus{
    outline:none;border-color:var(--brand);
    box-shadow:0 0 0 4px rgba(14,122,95,.12);
  }
  .search-icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:#7E8A86;pointer-events:none}
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
  }
  .nav-toggle:hover{background:#F1F4F1}

  /* ===== Nav ===== */
  .main-nav{border-top:1px solid rgba(227,230,224,.75)}
  .mobile-search{display:none}
  .nav-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
  .nav-list::-webkit-scrollbar{display:none}
  .nav-list a{
    position:relative;display:inline-block;
    padding:14px 2px 13px;
    font-size:15px;color:#3B4744;white-space:nowrap;
    transition:color .18s ease;
  }
  .nav-list a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
    background:var(--brand);border-radius:3px 3px 0 0;
    transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
  }
  .nav-list a:hover{color:var(--brand)}
  .nav-list a:hover::after{transform:scaleX(1)}
  .nav-list a.is-active{color:var(--brand);font-weight:600}
  .nav-list a.is-active::after{transform:scaleX(1)}

  /* ===== Buttons ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;
    transition:transform .16s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(228,87,46,.24)}
  .btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,87,46,.30)}
  .btn-primary:active{transform:translateY(0)}
  .btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.04)}
  .btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
  .btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,122,95,.22)}
  .btn-brand:hover{background:var(--brand-600);transform:translateY(-2px)}
  .btn-white{background:#fff;color:var(--brand-600);box-shadow:0 8px 20px rgba(0,0,0,.14)}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
  .btn-ghost-line{border-color:rgba(255,255,255,.6);color:#fff}
  .btn-ghost-line:hover{background:rgba(255,255,255,.14)}

  /* ===== Hero ===== */
  .hero{
    position:relative;overflow:hidden;color:#fff;
    background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(108deg,rgba(18,24,26,.95) 0%,rgba(18,24,26,.86) 48%,rgba(14,122,95,.62) 100%);
  }
  .hero > .container{position:relative;z-index:2}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:74px 0 84px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:rgba(242,193,78,.14);border:1px solid rgba(242,193,78,.42);
    color:var(--gold);font-size:12.5px;letter-spacing:.06em;
  }
  .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}
  .hero h1{
    margin-top:20px;
    font-size:48px;line-height:1.16;font-weight:800;letter-spacing:-.01em;color:#fff;
  }
  .hero h1 em{font-style:normal;color:var(--gold)}
  .hero-lead{
    margin-top:18px;max-width:60ch;
    font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.82);
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-figure{
    position:relative;border-radius:18px;overflow:hidden;
    border:1px solid rgba(255,255,255,.18);
    box-shadow:0 24px 60px rgba(0,0,0,.38);
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
  .hero-figure figcaption{
    position:absolute;left:0;right:0;bottom:0;
    padding:16px 18px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.86);
    background:linear-gradient(0deg,rgba(18,24,26,.86) 0%,rgba(18,24,26,0) 100%);
  }
  .hero-band{
    height:10px;
    background:linear-gradient(90deg,var(--brand) 0 56%,var(--accent) 56% 82%,var(--gold) 82% 100%);
    clip-path:polygon(0 0,100% 0,100% 55%,0 100%);
  }

  /* ===== Stats ===== */
  .stats{background:var(--ink);color:#fff;padding:46px 0}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
  .stat{padding:2px 26px;border-left:1px solid rgba(255,255,255,.13)}
  .stat:first-child{border-left:0;padding-left:0}
  .stat-num{font-size:34px;line-height:1.2;color:var(--gold);font-weight:700}
  .stat-num small{font-size:15px;font-weight:600;margin-left:2px;color:rgba(242,193,78,.85)}
  .stat-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.03em}

  /* ===== Section shell ===== */
  .section{padding:92px 0}
  .section-tight{padding:64px 0}
  .section-head{max-width:760px}
  .section-kicker{
    display:inline-block;font-size:12.5px;letter-spacing:.16em;
    color:var(--brand);font-weight:700;margin-bottom:12px;
  }
  .section-title{font-size:32px;line-height:1.28;font-weight:800;color:var(--ink);letter-spacing:-.01em}
  .section-sub{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.8;max-width:72ch}
  .lead-text{margin-top:26px;font-size:16px;line-height:1.85;color:#404B48;max-width:76ch}

  /* ===== Cat cards ===== */
  .cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
  .cat-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-sm);
    display:flex;flex-direction:column;gap:12px;
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#CFD8D2}
  .cat-card h3{font-size:19px;line-height:1.4;font-weight:700;color:var(--ink)}
  .cat-card p{font-size:14.5px;line-height:1.72;color:var(--muted)}
  .card-link{
    margin-top:auto;display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--brand);
    border-bottom:2px solid rgba(14,122,95,.28);padding-bottom:2px;
    align-self:flex-start;
  }
  .card-link:hover{border-bottom-width:3px}
  .tag{
    display:inline-flex;align-items:center;
    padding:3px 11px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;align-self:flex-start;
  }
  .tag-green{background:var(--brand-050);color:#0B6650}
  .tag-orange{background:#FDECE6;color:#B03D1B}
  .tag-yellow{background:#FCF3DC;color:#886310}
  .tag-gray{background:#EDEFEC;color:#4C5753}

  /* ===== QA cards ===== */
  .qa-band{background:#EFF3EF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
  .qa-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px 24px 22px;box-shadow:var(--shadow-sm);
    display:flex;flex-direction:column;gap:12px;
    border-top:3px solid var(--brand);
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .qa-card:nth-child(3n+2){border-top-color:var(--accent)}
  .qa-card:nth-child(3n+3){border-top-color:var(--gold)}
  .qa-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
  .qa-card h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink)}
  .qa-card p{font-size:14.5px;line-height:1.8;color:#4B5653}
  .qa-meta{
    margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:12.5px;color:#7B8783;
  }
  .qa-meta a{color:var(--brand);font-weight:600}
  .qa-meta a:hover{text-decoration:underline;text-underline-offset:3px}

  /* ===== Steps ===== */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
  .step{
    position:relative;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-sm);
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
  .step-no{
    font-size:30px;font-weight:700;color:var(--brand);line-height:1;
    display:flex;align-items:center;gap:10px;
  }
  .step-no span{font-size:12px;letter-spacing:.16em;color:var(--muted);font-weight:700}
  .step h3{margin-top:14px;font-size:18px;font-weight:700;color:var(--ink)}
  .step p{margin-top:10px;font-size:14.5px;line-height:1.78;color:var(--muted)}

  /* ===== FAQ ===== */
  .faq-wrap{max-width:860px;margin-top:40px;display:flex;flex-direction:column;gap:12px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:12px;
    overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
  }
  .faq-item:hover{border-color:#CFD8D2}
  .faq-item[open]{box-shadow:inset 3px 0 0 var(--brand),var(--shadow-md);border-color:#D3DCD6}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"";flex:0 0 auto;width:12px;height:12px;margin-right:2px;
    border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
    transform:rotate(45deg) translateY(-2px);
    transition:transform .2s ease;
  }
  .faq-item[open] summary::after{transform:rotate(225deg) translateY(-2px)}
  .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:#4B5653}
  .faq-body p + p{margin-top:10px}

  /* ===== CTA ===== */
  .final-cta{
    position:relative;overflow:hidden;color:#fff;
    background:linear-gradient(120deg,#0E7A5F 0%,#0B6650 62%,#0A5745 100%);
  }
  .final-cta::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
    background-size:18px 18px;opacity:.55;
  }
  .cta-inner{
    position:relative;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:36px;
    padding:60px 0;
  }
  .cta-inner h2{font-size:30px;line-height:1.3;font-weight:800;color:#fff;max-width:22ch}
  .cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:52ch}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

  /* ===== Footer ===== */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 26px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px}
  .site-footer .logo{margin-bottom:16px}
  .site-footer .logo-main{color:#fff}
  .site-footer .logo-sub{color:rgba(255,255,255,.5)}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s ease}
  .footer-col a:hover{color:var(--gold)}
  .footer-contact li{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;color:rgba(255,255,255,.62)}
  .footer-contact li span:first-child{color:rgba(255,255,255,.45)}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.46);
  }

  /* ===== Responsive ===== */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:36px;padding:60px 0 66px}
    .hero h1{font-size:38px}
    .hero-figure{max-width:640px}
    .cat-grid{grid-template-columns:repeat(2,1fr)}
    .qa-grid{grid-template-columns:repeat(2,1fr)}
    .steps{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 0}
    .stat:nth-child(3){border-left:0;padding-left:0}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
    .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  }
  @media (max-width:900px){
    .desktop-search{display:none}
    .nav-toggle{display:inline-flex}
    .main-nav{
      display:none;position:absolute;left:0;right:0;top:100%;
      background:#fff;border-bottom:1px solid var(--line);
      box-shadow:0 18px 34px rgba(18,24,26,.12);
      padding:14px 0 18px;
    }
    .site-header.is-open .main-nav{display:block}
    .main-nav .container{padding:0 18px}
    .mobile-search{display:block;margin-bottom:12px}
    .nav-list{flex-direction:column;align-items:stretch;gap:2px;overflow:visible}
    .nav-list a{padding:12px 10px;border-radius:9px;font-size:15.5px}
    .nav-list a::after{display:none}
    .nav-list a.is-active{background:var(--brand-050);color:var(--brand)}
  }
  @media (max-width:768px){
    .container{padding:0 18px}
    .section{padding:58px 0}
    .section-tight{padding:46px 0}
    .hero h1{font-size:31px}
    .hero-lead{font-size:15.5px}
    .section-title{font-size:24px}
    .section-sub{font-size:15px}
    .stats{padding:36px 0}
    .stat-num{font-size:27px}
    .stat{padding:2px 16px}
    .cat-grid,.qa-grid{grid-template-columns:1fr;gap:18px}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .footer-bottom{flex-direction:column;gap:8px}
    .faq-item summary{font-size:16px;padding:16px 18px}
    .faq-body{padding:0 18px 18px}
    .cta-inner{padding:48px 0}
    .cta-inner h2{font-size:24px}
    .btn{width:100%}
    .hero-actions .btn,.cta-actions .btn{width:100%}
  }
  @media (max-width:520px){
    .header-top{gap:12px}
    .logo-mark{width:36px;height:36px;font-size:13px}
    .logo-main{font-size:15px}
    .step-no{font-size:25px}
    .stat{padding:2px 12px}
  }