/* roulang page: index */
:root{
  --brand:#0F3B34;
  --brand-2:#14554A;
  --accent:#C8F169;
  --accent-soft:#EAF7C9;
  --ink:#16211E;
  --muted:#5A6B66;
  --line:#E3E8E5;
  --soft:#F5F7F4;
  --page:#F7F8F5;
  --card:#FFFFFF;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(22,33,30,.04),0 8px 24px rgba(22,33,30,.06);
  --shadow-hover:0 12px 32px rgba(22,33,30,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--page);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header / Dock ---------- */
.site-header{position:sticky;top:0;z-index:100;padding:16px 20px 0}
.dock{
  position:relative;
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid #E8EDEA;border-radius:999px;
  padding:10px 12px 10px 18px;
  box-shadow:0 6px 20px rgba(22,33,30,.06);
  transition:box-shadow .22s ease,padding .22s ease;
}
.site-header.scrolled .dock{box-shadow:0 12px 30px rgba(22,33,30,.11);padding-top:7px;padding-bottom:7px}
.logo{display:flex;align-items:center;gap:10px;min-width:0;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:11px;
  background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:-.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
.logo-name{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav-link{
  display:block;padding:8px 15px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--soft);color:var(--brand);text-decoration:none}
.nav-link.active{background:var(--soft);color:var(--brand);font-weight:600}
.dock-cta{margin-left:8px}
.menu-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;flex:0 0 auto;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;
  background:#fff;color:var(--brand);cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--soft)}
.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 24px;
  font-size:14px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,59,52,.22);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent);color:#16211E}
.btn-accent:hover{background:#BCE855;transform:translateY(-1px);color:#16211E}
.btn-ghost{background:#fff;color:var(--brand);border-color:#D8DFDB}
.btn-ghost:hover{background:#F0F4F1;border-color:var(--brand);color:var(--brand)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:13px}

/* ---------- Hero ---------- */
.hero{padding:44px 0 8px}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:44px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:#1B4A3D;
  border-radius:999px;padding:6px 14px;
  font-size:13px;font-weight:600;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand-2);display:block}
.hero h1{
  font-size:clamp(28px,3.5vw,44px);
  line-height:1.24;letter-spacing:-.02em;font-weight:700;
  margin-top:18px;
}
.hero-sub{font-size:16px;color:var(--brand-2);font-weight:600;margin-top:14px}
.hero-lead{margin-top:14px;color:#41524D;font-size:15px;max-width:600px}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.hero-facts{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13px;color:var(--muted);
}
.hero-facts span{display:inline-flex;align-items:center;gap:7px}
.hero-facts em{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block;font-style:normal}

.hero-panel{
  position:relative;overflow:hidden;
  background:var(--brand);border-radius:22px;padding:28px;
  color:#DCEDE6;
  box-shadow:0 22px 46px rgba(15,59,52,.24);
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:30px 30px;pointer-events:none;
}
.hero-panel > *{position:relative}
.hp-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.04em;color:#B7D6C8;
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:5px 12px;
}
.hp-title{font-size:19px;font-weight:700;color:#fff;margin-top:14px;line-height:1.45}
.hp-desc{font-size:13px;color:#9FC6B6;margin-top:8px}
.hp-list{margin-top:20px}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);
}
.panel-row:last-child{border-bottom:0}
.panel-name{font-size:15px;font-weight:600;color:#fff}
.panel-meta{font-size:12px;color:#9FC6B6;letter-spacing:.02em}
.hp-foot{
  margin-top:18px;padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.2);
  font-size:12px;color:#8FB6A8;line-height:1.7;
}

/* ---------- Quick entries ---------- */
.quickbar{padding:34px 0 0}
.quickbar-inner{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:12px 16px;box-shadow:var(--shadow);
}
.quickbar-label{font-size:13px;color:var(--muted);margin-right:4px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--brand);
  background:var(--soft);border:1px solid transparent;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--accent-soft);border-color:#D9EDAE;text-decoration:none;transform:translateY(-1px)}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section--alt{background:var(--soft)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(21px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;line-height:1.4;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:1em;border-radius:2px;background:var(--accent);
}
.section-head.center .section-title{padding-left:0}
.section-head.center .section-title::before{display:none}
.section-desc{color:var(--muted);font-size:15px;margin-top:12px}

/* ---------- Metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric-card{
  position:relative;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.metric-card::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  border-radius:3px;background:var(--accent);opacity:0;
  transition:opacity .18s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.metric-card:hover::before{opacity:1}
.metric-label{font-size:12px;color:var(--muted);letter-spacing:.02em}
.metric-value{
  font-size:24px;font-weight:700;color:var(--brand);
  margin-top:8px;line-height:1.3;font-variant-numeric:tabular-nums;
}
.metric-note{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.65}

/* ---------- Download band ---------- */
.download-band{background:var(--brand);color:#E6F1EC}
.download-band .section-title{color:#fff}
.download-band .section-title::before{background:var(--accent)}
.download-band .section-desc{color:#A9C7BC}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.dl-card{
  display:flex;flex-direction:column;min-width:0;
  background:#fff;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);
  padding:28px 24px;text-align:center;
  box-shadow:0 14px 30px rgba(0,0,0,.14);
  transition:transform .18s ease,box-shadow .18s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:0 22px 40px rgba(0,0,0,.2)}
.dl-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 16px;
  background:var(--soft);color:var(--brand);
  display:grid;place-items:center;
}
.dl-card h3{font-size:17px;font-weight:700;color:var(--ink)}
.dl-card p{font-size:13px;color:var(--muted);margin-top:8px}
.dl-card .btn{margin-top:auto}
.dl-card .dl-btn-wrap{margin-top:20px}
.dl-note{font-size:12px;color:#8A9994;margin-top:12px;line-height:1.6}

/* ---------- Feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.feature-card{
  display:flex;flex-direction:column;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-icon{
  width:44px;height:44px;border-radius:13px;margin-bottom:16px;
  background:var(--accent-soft);color:var(--brand);display:grid;place-items:center;
}
.feature-card h3{font-size:18px;font-weight:600;line-height:1.5}
.feature-card p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.75}
.feature-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:13px;font-weight:600;color:var(--brand-2);
}
.feature-link:hover{color:var(--brand);text-decoration:none}
.feature-link svg{transition:transform .18s ease}
.feature-link:hover svg{transform:translateX(3px)}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  transition:box-shadow .18s ease;
}
.compare-col:hover{box-shadow:var(--shadow-hover)}
.compare-col.highlight{border-color:#CFE6BD;box-shadow:0 0 0 1px rgba(200,241,105,.6)}
.compare-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.compare-head h3{font-size:18px;font-weight:700}
.compare-badge{
  font-size:12px;padding:3px 11px;border-radius:999px;
  background:var(--soft);color:var(--muted);
}
.compare-col.highlight .compare-badge{background:var(--accent-soft);color:#1B4A3D}
.compare-row{
  display:flex;justify-content:space-between;gap:16px;
  padding:13px 0;border-top:1px dashed var(--line);font-size:14px;
}
.compare-row:first-of-type{border-top:0}
.compare-key{color:var(--muted);flex:0 0 auto}
.compare-val{color:var(--ink);font-weight:600;text-align:right}

/* ---------- Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px}
.step{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.step-num{
  width:30px;height:30px;border-radius:50%;margin-bottom:14px;
  background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.step h3{font-size:15px;font-weight:600}
.step p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}

/* ---------- Crowd ---------- */
.crowd-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.crowd-card{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.crowd-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.crowd-card h3{font-size:17px;font-weight:600}
.crowd-card p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.75}
.crowd-card .feature-link{margin-top:auto;padding-top:16px}

/* ---------- Safety ---------- */
.safety-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.safety-item{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.safety-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.safety-icon{
  width:38px;height:38px;border-radius:11px;
  background:var(--soft);color:var(--brand);display:grid;place-items:center;
}
.safety-item h3{font-size:15px;font-weight:600;margin-top:14px}
.safety-item p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}

/* ---------- Checklist ---------- */
.checklist{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:6px 26px;box-shadow:var(--shadow);
}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.7;
}
.check-item:last-child{border-bottom:0}
.check-mark{
  width:22px;height:22px;flex:0 0 auto;border-radius:7px;margin-top:2px;
  background:var(--accent-soft);color:var(--brand-2);
  display:grid;place-items:center;
}
.check-item b{color:var(--ink)}
.check-item span{color:var(--muted)}

/* ---------- Terms ---------- */
.term-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.term-card{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:20px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.term-card:hover{border-color:#CFE6BD;box-shadow:var(--shadow)}
.term-card strong{display:block;font-size:15px;color:var(--brand);margin-bottom:8px}
.term-card span{font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);color:var(--ink);
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);text-decoration:none}
.news-thumb{
  aspect-ratio:16/9;position:relative;
  background:
    radial-gradient(120% 120% at 12% 10%,rgba(200,241,105,.55) 0%,rgba(200,241,105,0) 55%),
    linear-gradient(135deg,#0F3B34 0%,#14554A 60%,#1B6B5B 100%);
  display:flex;align-items:flex-end;padding:14px;
}
.news-thumb::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:26px 26px;
}
.news-thumb span{
  position:relative;z-index:1;
  font-size:12px;color:#0F3B34;background:var(--accent);
  padding:3px 11px;border-radius:999px;font-weight:600;
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-title{
  font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand-2)}
.news-excerpt{
  font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin-top:auto;padding-top:14px;font-size:12px;color:#8A9994;
}
.news-empty{
  grid-column:1/-1;background:#fff;border:1px dashed #D8DFDB;
  border-radius:var(--radius);padding:34px 24px;text-align:center;
  font-size:14px;color:var(--muted);
}
.news-more{display:flex;justify-content:center;margin-top:32px}

/* ---------- Quick answers ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.quick-card{
  display:block;min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;color:var(--ink);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CFE6BD;text-decoration:none}
.quick-card h3{font-size:16px;font-weight:600;line-height:1.6}
.quick-card p{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}
.quick-card .feature-link{margin-top:14px}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-item.open{border-color:#CFE6BD}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s ease,background-color .18s ease;
}
.faq-q:hover{color:var(--brand-2);background:#FBFCFA}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
.faq-icon{flex:0 0 auto;color:var(--brand);transition:transform .22s ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{
  margin:0 22px 20px;padding-left:16px;border-left:3px solid var(--accent);
  font-size:14px;color:var(--muted);line-height:1.85;
}

/* ---------- Form ---------- */
.form-wrap{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:36px;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:36px;box-shadow:var(--shadow);
}
.form-intro h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.45}
.form-intro p{font-size:14px;color:var(--muted);margin-top:14px;line-height:1.8}
.form-tip{
  margin-top:22px;padding:14px 16px;border-radius:12px;
  background:var(--soft);font-size:13px;color:var(--muted);line-height:1.7;
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--muted);font-weight:500}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  background:#fff;border:1px solid #DCE3DF;border-radius:10px;
  padding:12px 14px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,241,105,.35);
}
.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px}
.form-actions small{font-size:12px;color:#8A9994}

/* ---------- Entry block ---------- */
.entry-block{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:30px 34px;box-shadow:var(--shadow);
}
.entry-text{min-width:0;flex:1 1 380px}
.entry-text h2{font-size:clamp(19px,2.1vw,24px);font-weight:700}
.entry-text p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.8}
.entry-action{flex:0 0 auto}

/* ---------- Disclaimer ---------- */
.disclaimer{
  background:#F0F4F1;border:1px solid #E1E8E3;border-radius:var(--radius-sm);
  padding:20px 24px;font-size:13px;color:var(--muted);line-height:1.85;
}
.disclaimer b{color:var(--ink)}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand);color:#C8D9D2;padding:58px 0 26px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);color:var(--accent)}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:#8FB6A8}
.footer-col p{font-size:13px;color:#9CB6AC;line-height:1.85}
.footer-col a{display:block;font-size:14px;color:#C8D9D2;padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#9CB6AC;
}
.footer-bottom .risk{color:#8FB6A8}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .safety-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .term-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .crowd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .nav-links{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    margin-left:0;padding:10px;gap:4px;
    flex-direction:column;align-items:stretch;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow-hover);
  }
  .dock.nav-open .nav-links{display:flex}
  .nav-link{padding:12px 16px;font-size:15px;border-radius:12px}
  .dock-cta{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-cta{display:block;margin-top:6px}
  .mobile-cta .btn{width:100%}
  .download-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .site-header{padding:12px 14px 0}
  .dock{padding:8px 10px 8px 14px;gap:12px}
  .logo-sub{display:none}
  .feature-grid{grid-template-columns:1fr}
  .crowd-grid{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr}
  .term-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr;padding:24px;gap:24px}
  .form-grid{grid-template-columns:1fr}
  .entry-block{padding:24px}
  .entry-action{width:100%}
  .entry-action .btn{width:100%}
  .checklist{padding:4px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:44px 0 22px;margin-top:52px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero{padding:32px 0 0}
  .section{padding:40px 0}
  .metrics{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .faq-q{padding:16px 16px;font-size:14px}
  .faq-a-inner{margin:0 16px 18px}
  .form-actions .btn{width:100%}
  .quickbar-inner{border-radius:20px}
  .compare-row{flex-direction:column;gap:4px}
  .compare-val{text-align:left}
}

/* roulang page: article */
:root{
  --brand:#0F3B34;
  --brand-2:#14554A;
  --accent:#C8F169;
  --accent-soft:#EAF7C9;
  --ink:#16211E;
  --muted:#5A6B66;
  --line:#E3E8E5;
  --soft:#F5F7F4;
  --page:#F7F8F5;
  --card:#FFFFFF;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(22,33,30,.04),0 8px 24px rgba(22,33,30,.06);
  --shadow-hover:0 12px 32px rgba(22,33,30,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--page);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.15em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header / Dock ---------- */
.site-header{position:sticky;top:0;z-index:100;padding:16px 20px 0}
.dock{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.94);
  border:1px solid #E8EDEA;border-radius:999px;
  padding:9px 14px;
  box-shadow:0 8px 24px rgba(22,33,30,.06);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.scrolled .dock{box-shadow:0 12px 30px rgba(22,33,30,.11);padding-top:7px;padding-bottom:7px}
.logo{display:flex;align-items:center;gap:10px;min-width:0;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:11px;
  background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:-.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
.logo-name{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav-link{
  display:block;padding:8px 15px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--soft);color:var(--brand);text-decoration:none}
.nav-link.active{background:var(--soft);color:var(--brand);font-weight:600}
.dock-cta{margin-left:8px}
.menu-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;flex:0 0 auto;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;
  background:#fff;color:var(--brand);cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--soft)}
.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 24px;
  font-size:14px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,59,52,.22);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent);color:#16211E}
.btn-accent:hover{background:#BCE855;transform:translateY(-1px);color:#16211E}
.btn-ghost{background:#fff;color:var(--brand);border-color:#D8DFDB}
.btn-ghost:hover{background:#F0F4F1;border-color:var(--brand);color:var(--brand)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:13px}

/* ---------- Article head ---------- */
.article-head-wrap{padding:34px 0 0}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;color:var(--muted);min-width:0;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#B6C1BC}
.crumbs .current{
  color:var(--ink);max-width:100%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{
  margin-top:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px;box-shadow:var(--shadow);
}
.article-cat{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--accent-soft);color:#1B4A3D;
  border-radius:999px;padding:5px 13px;font-size:12px;font-weight:600;
}
.article-head h1{
  font-size:clamp(24px,3vw,36px);
  line-height:1.32;letter-spacing:-.02em;font-weight:700;
  margin-top:16px;
}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;gap:10px 20px;
  font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:16px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta em{width:6px;height:6px;border-radius:50%;background:var(--accent);font-style:normal;display:block}

/* ---------- Article body ---------- */
.article-main{padding:34px 0 24px}
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:28px;align-items:start;
}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 34px 30px;box-shadow:var(--shadow);
  min-width:0;font-size:16px;line-height:1.85;color:#26332F;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;padding-left:14px;margin:1.9em 0 .8em;
  font-size:22px;line-height:1.45;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--brand-2);
}
.article-body h3{margin:1.5em 0 .6em;font-size:18px;font-weight:600;color:var(--ink)}
.article-body h4{margin:1.3em 0 .5em;font-size:16px;font-weight:600;color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.3em}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--brand-2)}
.article-body blockquote{
  margin:1.3em 0;padding:14px 18px;
  background:var(--soft);border-left:3px solid var(--brand-2);
  border-radius:0 10px 10px 0;color:#3B4C46;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.2em auto;max-width:100%;height:auto}
.article-body figure{margin:1.2em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
.article-body code{
  background:var(--soft);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-size:14px;font-family:ui-monospace,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--soft);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;margin:1.2em 0;
}
.article-body pre code{background:none;border:0;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--soft);font-weight:600}
.article-body .table-wrap{overflow-x:auto}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* empty state */
.article-empty{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:48px 32px;text-align:center;box-shadow:var(--shadow);
}
.article-empty h2{font-size:20px;font-weight:700;margin-bottom:10px}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- Side panel ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;min-width:0}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px}
.side-card p{font-size:13px;color:var(--muted);line-height:1.8}
.side-list{display:flex;flex-direction:column;gap:10px}
.side-list a{
  display:block;font-size:14px;color:var(--ink);
  padding:10px 12px;border:1px solid var(--line);border-radius:10px;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.side-list a:hover{background:var(--soft);border-color:#CFE0D6;color:var(--brand);text-decoration:none}
.side-dl{background:var(--brand);border-color:var(--brand);color:#DCEDE6}
.side-dl h3{color:#fff}
.side-dl p{color:#AED0C1}
.side-dl .btn{width:100%;margin-top:6px}

/* ---------- Download strip ---------- */
.strip-section{padding:12px 0 56px}
.download-strip{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:22px;align-items:center;
  background:var(--brand);border-radius:var(--radius);
  padding:26px 30px;color:#DCEDE6;
  box-shadow:0 18px 40px rgba(15,59,52,.2);
}
.download-strip h2{font-size:20px;color:#fff;font-weight:700;line-height:1.5}
.download-strip p{font-size:13px;color:#A9CCBD;margin-top:8px}
.strip-actions{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- FAQ ---------- */
.faq-section{padding:56px 0}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-title{
  position:relative;padding-left:16px;font-size:clamp(21px,2.4vw,28px);
  font-weight:700;letter-spacing:-.01em;margin-bottom:22px;
}
.faq-title::before{
  content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:4px;
  border-radius:2px;background:var(--brand-2);
}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:10px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.open{border-color:#CFE0D6;box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:16px 18px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
.faq-sign{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:16px;font-weight:500;color:var(--brand);
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item.open .faq-sign{transform:rotate(45deg);background:var(--accent-soft);border-color:#D9EDAE}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{
  padding:0 18px 18px;font-size:15px;color:var(--muted);line-height:1.8;
  border-left:2px solid var(--accent);margin-left:18px;padding-left:14px;
}

/* ---------- Related ---------- */
.rel-section{padding:0 0 56px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;min-width:0;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);text-decoration:none}
.rel-card h3{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);min-width:0}
.rel-card:hover h3{color:var(--brand)}
.rel-card p{font-size:13px;color:var(--muted);line-height:1.7;min-width:0}
.rel-empty{font-size:14px;color:var(--muted)}

/* ---------- Disclaimer ---------- */
.notice-section{padding:0 0 64px}
.notice{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;
}
.notice h3{font-size:15px;font-weight:700;margin-bottom:8px}
.notice p{font-size:13px;color:var(--muted);line-height:1.85}
.back-row{margin-top:16px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand);color:#C6DEDA;padding:56px 0 24px;margin-top:12px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
}
.footer-col{min-width:0}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col p{font-size:13px;color:#A9C6BC;line-height:1.85}
.footer-col a{display:block;font-size:13px;color:#C6DEDA;padding:4px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .logo-mark{background:rgba(255,255,255,.1);color:var(--accent)}
.site-footer .logo-name{color:#fff}
.site-footer .logo-sub{color:#9FC6B6}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:12px;color:#9FC6B6;
}
.footer-bottom .risk{color:#8FB6A7}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .article-shell{grid-template-columns:minmax(0,1fr)}
  .side-col{flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
}
@media (max-width:860px){
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid #E8EDEA;border-radius:20px;
    padding:12px;box-shadow:0 18px 40px rgba(22,33,30,.14);
  }
  .dock{position:relative}
  .dock.nav-open .nav-links{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px}
  .dock-cta{display:none}
  .mobile-cta{display:block;margin-top:6px}
  .mobile-cta .btn{width:100%}
  .menu-toggle{display:flex}
  .download-strip{grid-template-columns:minmax(0,1fr);padding:24px}
  .strip-actions .btn{flex:1 1 auto}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .site-header{padding:12px 14px 0}
  .article-head{padding:22px 20px}
  .article-body{padding:24px 20px;font-size:15px}
  .article-body h2{font-size:20px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .faq-section,.rel-section,.notice-section{padding-bottom:44px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){
  .article-meta{gap:8px 16px;font-size:12px}
  .crumbs{font-size:12px}
  .download-strip h2{font-size:18px}
  .side-col{flex-direction:column}
  .strip-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#0F3B34;
  --brand-2:#14554A;
  --accent:#C8F169;
  --accent-soft:#EAF7C9;
  --ink:#16211E;
  --muted:#5A6B66;
  --line:#E3E8E5;
  --soft:#F5F7F4;
  --page:#F7F8F5;
  --card:#FFFFFF;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(22,33,30,.04),0 8px 24px rgba(22,33,30,.06);
  --shadow-hover:0 12px 32px rgba(22,33,30,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--page);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit}
h1,h2,h3,h4{margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- Header / Dock ---------- */
.site-header{position:sticky;top:0;z-index:100;padding:16px 20px 0}
.dock{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:10px 12px 10px 16px;
  background:rgba(255,255,255,.94);
  border:1px solid #E8EDEA;border-radius:999px;
  box-shadow:0 6px 20px rgba(22,33,30,.07);
  transition:padding .2s ease,box-shadow .2s ease;
  backdrop-filter:blur(8px);
}
.site-header.scrolled .dock{box-shadow:0 12px 30px rgba(22,33,30,.11);padding-top:7px;padding-bottom:7px}
.logo{display:flex;align-items:center;gap:10px;min-width:0;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:11px;
  background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:-.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
.logo-name{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav-link{
  display:block;padding:8px 15px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--soft);color:var(--brand);text-decoration:none}
.nav-link.active{background:var(--soft);color:var(--brand);font-weight:600}
.dock-cta{margin-left:8px}
.menu-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;flex:0 0 auto;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;
  background:#fff;color:var(--brand);cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--soft)}
.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 24px;
  font-size:14px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,59,52,.22);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent);color:#16211E}
.btn-accent:hover{background:#BCE855;transform:translateY(-1px);color:#16211E}
.btn-ghost{background:#fff;color:var(--brand);border-color:#D8DFDB}
.btn-ghost:hover{background:#F0F4F1;border-color:var(--brand);color:var(--brand)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:13px}
.btn-block{width:100%}
/* ---------- Category Hero ---------- */
.cat-hero{padding:44px 0 10px}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#A9B6B1}
.cat-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
  gap:40px;align-items:start;
}
.cat-hero h1{
  font-size:clamp(26px,3.1vw,38px);line-height:1.3;
  letter-spacing:-.02em;font-weight:700;color:var(--ink);
}
.cat-lead{margin-top:16px;color:#41524D;font-size:15px;max-width:680px}
.cat-lead + .cat-lead{margin-top:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;color:var(--brand);
  background:var(--accent-soft);border:1px solid #DCEFB6;
}
.tag.plain{background:#fff;border-color:var(--line);color:var(--muted)}
.side-panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);
}
.side-panel h2{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px}
.side-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:14px;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list .k{color:var(--ink);font-weight:600}
.side-list .v{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums;text-align:right}
.side-note{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}
/* ---------- Sections ---------- */
.section{padding:72px 0}
.section--alt{background:var(--soft)}
.section-head{max-width:780px;margin-bottom:34px}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(21px,2.3vw,29px);font-weight:700;letter-spacing:-.01em;line-height:1.4;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;
  border-radius:4px;background:var(--accent);
}
.section-lead{margin-top:12px;color:var(--muted);font-size:15px;max-width:730px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:#1B4A3D;
  border-radius:999px;padding:6px 14px;
  font-size:13px;font-weight:600;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand-2);display:block}
/* ---------- Intro block ---------- */
.intro-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:34px;align-items:start}
.intro-text p{color:#41524D;font-size:15px}
.intro-text p + p{margin-top:14px}
.intro-facts{display:grid;gap:14px}
.fact-row{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:16px 18px;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.fact-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D5E2DA}
.fact-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  background:var(--soft);color:var(--brand);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.fact-row h3{font-size:15px;font-weight:600;margin-bottom:4px}
.fact-row p{font-size:13.5px;color:var(--muted);line-height:1.7}
/* ---------- Download cards ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.dl-card{
  min-width:0;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D5E2DA}
.dl-icon{
  width:46px;height:46px;border-radius:13px;
  background:var(--brand);color:var(--accent);
  display:grid;place-items:center;
  margin-bottom:16px;
}
.dl-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.dl-file{
  display:inline-block;font-size:12.5px;color:var(--brand);
  background:var(--accent-soft);border-radius:8px;padding:3px 10px;
  margin-bottom:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  word-break:break-word;
}
.dl-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:20px}
.dl-card .btn{margin-top:auto}
.dl-note{margin-top:12px;font-size:12px;color:#8A9995;line-height:1.65}
/* ---------- Checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 20px;
  min-width:0;
}
.check-box{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  border:1.5px solid #C9D8D0;color:var(--brand);
  display:grid;place-items:center;margin-top:2px;
  background:var(--soft);
}
.check-item h3{font-size:15px;font-weight:600;margin-bottom:4px}
.check-item p{font-size:13.5px;color:var(--muted);line-height:1.7}
/* ---------- Steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step-card{
  min-width:0;position:relative;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 20px;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.step-dot{
  width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:16px;font-weight:600;margin-bottom:6px}
.step-card p{font-size:13.5px;color:var(--muted);line-height:1.75}
/* ---------- Terms ---------- */
.term-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.term-card{
  min-width:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:20px 18px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.term-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D5E2DA}
.term-card h3{font-size:15px;font-weight:700;color:var(--brand);margin-bottom:6px}
.term-card p{font-size:13.5px;color:var(--muted);line-height:1.72}
/* ---------- Troubleshoot ---------- */
.trouble-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.trouble-card{
  min-width:0;background:var(--card);border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);padding:22px 20px;
}
.trouble-card h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.trouble-card p{font-size:13.5px;color:var(--muted);line-height:1.75}
/* ---------- CMS posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  min-width:0;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;
  box-shadow:var(--shadow);color:var(--ink);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D5E2DA}
.post-tag{
  align-self:flex-start;
  font-size:12px;color:#1B4A3D;background:var(--accent-soft);
  border-radius:999px;padding:3px 11px;margin-bottom:12px;
}
.post-card h3{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;color:var(--ink)}
.post-card:hover h3{color:var(--brand)}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:#8A9995;font-variant-numeric:tabular-nums;
}
.post-arrow{color:var(--brand-2);font-size:15px}
.empty-tip{
  background:var(--card);border:1px dashed #D5E2DA;border-radius:var(--radius-sm);
  padding:26px 22px;text-align:center;color:var(--muted);font-size:14px;
}
/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);margin-bottom:10px;
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:#CFE0D7;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 20px;
  font-size:15.5px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:-4px}
.faq-sign{
  flex:0 0 auto;margin-left:auto;
  width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);background:var(--soft);
  display:grid;place-items:center;
  font-size:14px;color:var(--brand);line-height:1;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] .faq-sign{transform:rotate(45deg);background:var(--accent-soft);border-color:#D9EDAE}
.faq-body{
  border-left:3px solid var(--accent);
  margin:0 20px 18px 20px;padding-left:14px;
  font-size:14.5px;color:var(--muted);line-height:1.85;
}
/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand);border-radius:22px;
  padding:38px 34px;color:#DCEDE6;
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:32px 32px;pointer-events:none;
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(19px,2.2vw,25px);font-weight:700;color:#fff;line-height:1.45}
.cta-band p{margin-top:8px;font-size:14px;color:#B7D6C8;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- Footer ---------- */
.site-footer{background:var(--brand);color:#C8DED6;margin-top:8px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:60px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:var(--accent)}
.footer-brand .logo-name{color:#fff;font-size:15px;font-weight:700}
.footer-brand .logo-sub{color:#93B9AA;font-size:11px}
.footer-col p{font-size:13.5px;line-height:1.85;color:#A9C7BB}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;color:#B7D6C8;padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 34px;
  display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:#93B9AA;
}
.footer-bottom .risk{color:#8FB3A5}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .intro-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .term-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trouble-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;padding:48px 0 32px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .site-header{padding:12px 14px 0}
  .dock{padding:8px 10px 8px 12px;gap:10px}
  .nav-links{
    display:none;position:absolute;left:14px;right:14px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:0 16px 34px rgba(22,33,30,.14);
  }
  .nav-links.open{display:flex}
  .nav-link{padding:13px 16px;border-radius:14px;font-size:15px}
  .dock-cta{display:none}
  .menu-toggle{display:flex}
  .mobile-cta{display:block;margin-top:8px}
  .mobile-cta .btn{width:100%}
  .dock{position:relative}
  .cat-hero{padding:34px 0 6px}
  .dl-grid{grid-template-columns:minmax(0,1fr)}
  .step-grid{grid-template-columns:minmax(0,1fr)}
  .term-grid{grid-template-columns:minmax(0,1fr)}
  .trouble-grid{grid-template-columns:minmax(0,1fr)}
  .check-grid{grid-template-columns:minmax(0,1fr)}
  .post-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding:40px 0 26px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .section{padding:44px 0}
  .container{padding:0 16px}
  .faq-body{margin:0 16px 16px 16px}
  .faq-item summary{padding:14px 16px;font-size:15px}
}
@media (max-width:520px){
  .cat-hero h1{font-size:24px}
  .section-title{font-size:20px}
  .logo-sub{display:none}
  .tag{font-size:12px;padding:6px 12px}
  .btn{padding:11px 20px}
}