/* roulang page: index */
:root{
  --ink:#101a2e;
  --ink-2:#22304d;
  --muted:#5d6b85;
  --line:#e3e8f2;
  --line-strong:#d3dbe9;
  --bg:#f5f7fc;
  --bg-2:#eef2fa;
  --surface:#ffffff;
  --brand:#1c3a7d;
  --brand-2:#3d6ee0;
  --brand-soft:#e8eefc;
  --accent:#d99324;
  --accent-soft:#fdf3e2;
  --danger:#b4402f;
  --danger-soft:#fbeee9;
  --ok:#12876a;
  --radius-l:22px;
  --radius-m:14px;
  --radius-s:10px;
  --shadow-s:0 2px 10px rgba(16,26,46,.06);
  --shadow-m:0 16px 42px rgba(16,26,46,.10);
  --grad:linear-gradient(135deg,#1c3a7d 0%,#2f57b8 58%,#3d6ee0 100%);
  --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:32px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;box-shadow:0 8px 18px rgba(28,58,125,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:17px;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px}
.site-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--brand-2);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 10px 22px rgba(28,58,125,.24);
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.header-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(28,58,125,.3)}

/* ---------- shared ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg-2)}
.section-white{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.4;font-weight:700;letter-spacing:.2px;color:var(--ink);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.5px;
}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.3px;
  background:var(--brand-soft);color:var(--brand);
}
.tag-accent{background:var(--accent-soft);color:#a06a10}
.tag-light{background:rgba(255,255,255,.16);color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(28,58,125,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px rgba(28,58,125,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-strong);box-shadow:var(--shadow-s)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand-2);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(900px 340px at 88% -10%,rgba(61,110,224,.16),transparent 70%),
    linear-gradient(180deg,#f7f9fe 0%,#eef3fc 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 60px;
}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero h1{
  margin-top:20px;
  font-size:clamp(24px,2.9vw,36px);
  line-height:1.38;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--ink);
}
.hero-lead{margin-top:18px;color:var(--ink-2);font-size:16px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;
  margin-top:34px;padding-top:26px;border-top:1px dashed var(--line-strong);
}
.hero-facts li{min-width:0}
.hero-facts strong{display:block;font-size:22px;color:var(--brand);line-height:1.3;letter-spacing:.5px}
.hero-facts span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.hero-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-m);
  padding:26px 26px 22px;
  min-width:0;
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.hero-panel-head h2{font-size:16px;font-weight:700;color:var(--ink)}
.hero-panel-head span{font-size:12px;color:var(--muted)}
.metric-list{margin-top:6px}
.metric-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);
}
.metric-list li:last-child{border-bottom:0}
.metric-index{
  flex:0 0 26px;width:26px;height:26px;border-radius:9px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.metric-list strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.5}
.metric-list em{font-style:normal;display:block;font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.6}
.hero-panel-note{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.7}

/* ---------- download ---------- */
.download-section{padding-top:0;margin-top:-30px;position:relative;z-index:5}
.download-card{
  background:var(--grad);
  border-radius:26px;
  padding:38px 40px 34px;
  box-shadow:0 24px 60px rgba(22,44,102,.28);
  color:#fff;
}
.download-head h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-top:14px;line-height:1.4}
.download-head p{margin-top:12px;color:rgba(255,255,255,.82);font-size:14.5px;line-height:1.8;max-width:760px}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:26px}
.dl-btn{
  display:flex;align-items:center;gap:14px;min-width:0;
  padding:16px 18px;border-radius:16px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.dl-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.45);color:#fff;transform:translateY(-2px)}
.dl-btn i{font-size:22px;flex:0 0 auto;opacity:.95}
.dl-text{min-width:0}
.dl-text strong{display:block;font-size:15px;font-weight:600;line-height:1.4}
.dl-text span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:2px;word-break:break-word}

/* ---------- catalog ---------- */
.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.catalog-item{
  display:block;min-width:0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px 22px 20px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.catalog-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--brand-2)}
.catalog-item h3{font-size:15.5px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:9px}
.catalog-item h3 i{color:var(--brand-2);font-size:14px}
.catalog-item p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- value ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.value-card{
  min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:28px 26px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.value-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:18px;margin-bottom:18px;
}
.value-card h3{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink)}
.value-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- metrics ---------- */
.metrics-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:24px;align-items:start}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.check-card{
  min-width:0;background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--brand-2);
  border-radius:var(--radius-m);padding:20px 20px 18px;box-shadow:var(--shadow-s);
}
.check-card h3{font-size:15px;font-weight:700;color:var(--ink);display:flex;gap:9px;align-items:baseline}
.check-card h3 span{font-size:12px;color:var(--brand-2);font-weight:700;letter-spacing:.5px}
.check-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.8}
.compare-card{
  min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);box-shadow:var(--shadow-s);padding:26px 24px;
}
.compare-card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.compare-card > p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.8}
.compare-row{padding:14px 0;border-bottom:1px dashed var(--line)}
.compare-row:last-child{border-bottom:0;padding-bottom:0}
.compare-row strong{display:block;font-size:13.5px;color:var(--ink);font-weight:600}
.compare-row span{display:block;font-size:13px;color:var(--muted);margin-top:5px;line-height:1.75}
.compare-row span b{color:var(--danger);font-weight:600}

/* ---------- resources ---------- */
.resource-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.resource-card{
  min-width:0;display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px 22px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.resource-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--brand-2)}
.resource-card i{font-size:20px;color:var(--brand-2)}
.resource-card h3{font-size:15px;font-weight:700;color:var(--ink)}
.resource-card p{font-size:13px;color:var(--muted);line-height:1.75}
.resource-card .more{font-size:12.5px;color:var(--brand);font-weight:600;letter-spacing:.3px}

/* ---------- steps ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:step}
.step-card{
  position:relative;min-width:0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px 26px 26px;box-shadow:var(--shadow-s);
}
.step-num{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  box-shadow:0 8px 18px rgba(28,58,125,.22);margin-bottom:16px;
}
.step-card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.step-card p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.85}

/* ---------- audience ---------- */
.audience-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.audience-card{
  min-width:0;border-radius:var(--radius-l);padding:28px 26px;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-s);
}
.audience-card h3{font-size:16.5px;font-weight:700;display:flex;align-items:center;gap:10px}
.audience-card.good h3{color:var(--ok)}
.audience-card.bad h3{color:var(--danger)}
.audience-list{margin-top:16px}
.audience-list li{
  position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);
  line-height:1.8;margin-bottom:11px;
}
.audience-list li:last-child{margin-bottom:0}
.audience-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;
  background:var(--brand-2);opacity:.8;
}
.audience-card.bad .audience-list li::before{background:var(--danger);opacity:.7}

/* ---------- risk ---------- */
.risk-section{background:linear-gradient(135deg,#141f38 0%,#1b2c50 60%,#22386b 100%);color:#fff}
.risk-section .section-head h2{color:#fff}
.risk-section .section-head p{color:rgba(255,255,255,.76)}
.risk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.risk-card{
  min-width:0;border-radius:var(--radius-m);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);
  padding:22px 22px 20px;
  transition:background .2s ease,transform .2s ease;
}
.risk-card:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.risk-card h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:10px;color:#fff}
.risk-card h3 i{color:#f0b64a;font-size:15px}
.risk-card p{margin-top:9px;font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.85}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);gap:26px;align-items:start}
.news-main{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.news-card{
  min-width:0;display:block;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px 22px 20px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--brand-2)}
.news-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.news-date{font-size:12px;color:var(--muted)}
.news-card h3{font-size:15px;font-weight:700;color:var(--ink);line-height:1.6}
.news-card p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-side{
  min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);box-shadow:var(--shadow-s);padding:26px 24px;
}
.side-title{font-size:15.5px;font-weight:700;color:var(--ink);padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-list{margin-top:6px}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.65}
.side-list a:hover{color:var(--brand-2)}
.side-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-2);flex:0 0 6px;margin-top:8px}
.news-empty{padding:26px;border:1px dashed var(--line-strong);border-radius:var(--radius-m);color:var(--muted);font-size:14px;background:var(--surface)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 22px;box-shadow:var(--shadow-s);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--brand-2);box-shadow:var(--shadow-m)}
.faq-item summary{
  cursor:pointer;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:18px;color:var(--brand-2);font-weight:600;flex:0 0 auto;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.9}

/* ---------- checklist ---------- */
.checklist-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.55fr);gap:26px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);padding:32px;
}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.check-item{
  display:flex;align-items:flex-start;gap:11px;min-width:0;
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:#fbfcff;cursor:pointer;transition:border-color .2s ease,background .2s ease;
  font-size:13.5px;color:var(--ink-2);line-height:1.7;
}
.check-item:hover{border-color:var(--brand-2);background:#f4f8ff}
.check-item input{margin:4px 0 0;flex:0 0 auto;accent-color:var(--brand-2);width:15px;height:15px}
.check-item.done{background:#eefaf4;border-color:#bfe5d5;color:#12664f}
.check-side{min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-m);padding:22px}
.check-side h3{font-size:15px;font-weight:700;color:var(--ink)}
.check-side p{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.8}
.check-status{margin-top:16px;font-size:14px;color:var(--ink-2)}
.check-status strong{font-size:22px;color:var(--brand);font-weight:700;letter-spacing:.5px}

/* ---------- cta ---------- */
.cta-card{
  background:var(--grad);border-radius:26px;color:#fff;
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 60px rgba(22,44,102,.26);
}
.cta-card h2{font-size:clamp(20px,2.2vw,27px);font-weight:700;line-height:1.45}
.cta-card p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.85;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 26px rgba(8,20,50,.22)}
.btn-light:hover{color:var(--brand);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline:hover{color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{background:#0e1830;color:rgba(255,255,255,.72);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,.8fr));gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:16px;letter-spacing:.4px;display:block}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.5px}
.footer-about{font-size:13.5px;line-height:1.9;max-width:420px;color:rgba(255,255,255,.62)}
.footer-col h3{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.4px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff}
.footer-note{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:rgba(255,255,255,.45);
}
.footer-risk{margin-top:20px;font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.45);max-width:900px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-panel{max-width:640px}
  .catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metrics-layout{grid-template-columns:1fr}
  .resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps-grid{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .checklist-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .download-grid{grid-template-columns:1fr}
  .cta-card{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px;min-height:0}
  .site-nav{
    order:3;width:100%;margin-left:0;gap:20px;
    overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .site-nav::-webkit-scrollbar{display:none}
  .header-cta{margin-left:auto;padding:9px 16px;font-size:13px}
  .section{padding:52px 0}
  .hero{padding:40px 0 48px}
  .download-card{padding:28px 22px 26px;border-radius:20px}
  .check-list{grid-template-columns:1fr}
  .audience-grid{grid-template-columns:1fr}
  .risk-grid{grid-template-columns:1fr}
  .news-main{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .checklist-wrap{padding:24px 20px}
  .cta-card{padding:32px 24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .hero-facts{grid-template-columns:1fr;gap:12px}
  .catalog-grid,.value-grid,.resource-grid{grid-template-columns:1fr}
  .brand-text em{display:none}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .cta-actions{width:100%}
  .faq-item{padding:16px 18px}
}

/* roulang page: article */
:root{
  --ink:#101a2e;
  --ink-2:#22304d;
  --muted:#5d6b85;
  --line:#e3e8f2;
  --line-strong:#d3dbe9;
  --bg:#f5f7fc;
  --bg-2:#eef2fa;
  --surface:#ffffff;
  --brand:#1c3a7d;
  --brand-2:#3d6ee0;
  --brand-soft:#e8eefc;
  --accent:#d99324;
  --accent-soft:#fdf3e2;
  --danger:#b4402f;
  --danger-soft:#fbeee9;
  --ok:#12876a;
  --radius-l:22px;
  --radius-m:14px;
  --radius-s:10px;
  --shadow-s:0 2px 10px rgba(16,26,46,.06);
  --shadow-m:0 16px 42px rgba(16,26,46,.10);
  --grad:linear-gradient(135deg,#1c3a7d 0%,#2f57b8 58%,#3d6ee0 100%);
  --wrap:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:32px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;box-shadow:0 8px 18px rgba(28,58,125,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:17px;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px}
.site-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--brand-2);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 10px 22px rgba(28,58,125,.24);
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.header-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(28,58,125,.3)}
/* ---------- shared ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-2)}
.section-white{background:var(--surface)}
.section-head{max-width:780px;margin-bottom:32px}
.section-head h2{font-size:clamp(21px,2.3vw,28px);line-height:1.45;letter-spacing:.2px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.5px;
}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.3px;
  background:var(--brand-soft);color:var(--brand);
}
.tag-accent{background:var(--accent-soft);color:#a06a10}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(28,58,125,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px rgba(28,58,125,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-strong);box-shadow:var(--shadow-s)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand-2);transform:translateY(-2px)}
/* ---------- article hero ---------- */
.article-hero{
  background:
    radial-gradient(820px 300px at 90% -20%,rgba(61,110,224,.16),transparent 70%),
    linear-gradient(180deg,#f7f9fe 0%,#eef3fc 100%);
  border-bottom:1px solid var(--line);
  padding:34px 0 44px;
}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.crumb a{color:var(--brand);font-weight:600}
.crumb a:hover{color:var(--brand-2)}
.crumb span.sep{color:var(--line-strong)}
.article-card{
  margin-top:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-m);
  padding:32px 34px 30px;
  min-width:0;
}
.article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.meta-date{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.article-title{
  font-size:clamp(23px,2.9vw,34px);
  line-height:1.42;
  letter-spacing:.2px;
  overflow-wrap:break-word;
  word-break:normal;
}
.article-lead{margin-top:16px;color:var(--ink-2);font-size:15.5px;line-height:1.9;max-width:840px}
/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:40px;align-items:start}
.article-main{min-width:0}
.article-body{
  font-size:16.5px;
  line-height:1.95;
  color:var(--ink-2);
  overflow-wrap:break-word;
  word-break:normal;
}
.article-body h2{
  font-size:21px;line-height:1.5;margin:34px 0 14px;color:var(--ink);
  padding-left:14px;border-left:4px solid var(--brand-2);border-radius:2px;
}
.article-body h3{font-size:17.5px;line-height:1.6;margin:26px 0 10px;color:var(--ink)}
.article-body h4{font-size:16px;margin:20px 0 8px;color:var(--ink)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:22px 0;padding:14px 18px;
  background:var(--brand-soft);
  border-left:3px solid var(--brand-2);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--ink-2);font-size:15.5px;
}
.article-body img{border-radius:var(--radius-m);margin:18px 0;box-shadow:var(--shadow-s)}
.article-body a{color:var(--brand-2);text-decoration:underline}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg-2);font-weight:600;color:var(--ink)}
.article-body strong{color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:26px 0}
.empty-box{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:40px 32px;
  box-shadow:var(--shadow-s);
  text-align:center;
}
.empty-box h2{font-size:21px;margin-bottom:12px}
.empty-box p{color:var(--muted);margin-bottom:22px;line-height:1.9}
/* ---------- aside ---------- */
.article-aside{min-width:0;position:sticky;top:96px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);
  padding:22px 20px;
  margin-bottom:18px;
}
.side-card h2{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h2 i{color:var(--brand-2);font-size:14px}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:14px;line-height:1.7;color:var(--ink-2);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list i{color:var(--accent);font-size:12px;margin-top:6px;flex:0 0 auto}
.side-actions{display:grid;gap:10px;margin-top:4px}
.side-actions .btn{width:100%;font-size:14px;padding:11px 18px}
.side-note{font-size:12.5px;color:var(--muted);line-height:1.75;margin-top:12px}
/* ---------- risk band ---------- */
.risk-band{
  background:var(--danger-soft);
  border:1px solid #f0d3c9;
  border-radius:var(--radius-l);
  padding:26px 28px;
  display:flex;gap:18px;align-items:flex-start;
}
.risk-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:13px;
  background:#fff;color:var(--danger);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  border:1px solid #f0d3c9;
}
.risk-band h2{font-size:18px;color:#8c3225;margin-bottom:8px}
.risk-band p{font-size:14.5px;line-height:1.85;color:#7a3b30}
/* ---------- metric grid ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.metric-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:24px 22px;
  box-shadow:var(--shadow-s);
  min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--line-strong)}
.metric-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);
  font-size:14px;font-weight:700;margin-bottom:14px;
}
.metric-card h3{font-size:16.5px;margin-bottom:8px;line-height:1.55}
.metric-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
/* ---------- download ---------- */
.download-card{
  background:
    radial-gradient(620px 260px at 88% -30%,rgba(61,110,224,.28),transparent 70%),
    var(--grad);
  border-radius:var(--radius-l);
  padding:38px 38px 34px;
  color:#fff;
  box-shadow:0 22px 48px rgba(28,58,125,.28);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:34px;align-items:center;
}
.download-copy{min-width:0}
.download-copy .eyebrow{background:rgba(255,255,255,.16);color:#fff}
.download-copy h2{color:#fff;font-size:clamp(20px,2.2vw,26px);line-height:1.45;margin:14px 0 12px}
.download-copy p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.82)}
.download-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;min-width:0}
.dl-btn{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:18px 10px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
  border-radius:var(--radius-m);
  color:#fff;font-size:14px;font-weight:600;text-align:center;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
  min-width:0;
}
.dl-btn i{font-size:19px}
.dl-btn span{font-size:12px;font-weight:400;color:rgba(255,255,255,.75);line-height:1.5}
.dl-btn:hover{color:#fff;background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.dl-btn:focus-visible{outline:2px solid #fff;outline-offset:3px}
/* ---------- related ---------- */
.related-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.related-list a{
  display:block;padding:18px 20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.65;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.related-list a:hover{border-color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow-s);color:var(--brand)}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:0 22px;
  box-shadow:var(--shadow-s);
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--brand-2)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 30px 18px 0;
  position:relative;
  font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.65;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\002B";position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--brand-2);font-size:18px;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"\2212"}
.faq-body{padding:0 0 18px;color:var(--muted);font-size:14.8px;line-height:1.9}
/* ---------- end band ---------- */
.end-band{background:var(--bg-2);border-top:1px solid var(--line);padding:48px 0}
.end-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.end-inner h2{font-size:clamp(19px,2.1vw,24px);line-height:1.5}
.end-inner p{margin-top:10px;color:var(--muted);font-size:14.8px;line-height:1.85;max-width:620px}
.end-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{background:#0e1729;color:#c3cde0;padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr) minmax(0,1fr);gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{display:block;color:#fff;font-size:16px;letter-spacing:.4px;line-height:1.4}
.footer-brand em{font-style:normal;font-size:12px;color:#8b9ab8;letter-spacing:.6px}
.footer-about{font-size:14px;line-height:1.9;color:#9dabc7;max-width:520px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#9dabc7}
.footer-col ul li a:hover{color:#fff}
.footer-risk{
  margin-top:36px;padding:18px 20px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-m);
  background:rgba(255,255,255,.04);
  font-size:13px;line-height:1.85;color:#9dabc7;
}
.footer-note{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7f8daa;
}
/* ---------- responsive ---------- */
@media (max-width:1080px){
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:30px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:940px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static}
  .download-card{grid-template-columns:minmax(0,1fr);gap:24px;padding:32px 26px}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px}
}
@media (max-width:820px){
  .header-inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px;min-height:auto}
  .site-nav{order:3;width:100%;margin-left:0;gap:22px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .site-nav::-webkit-scrollbar{display:none}
  .header-cta{margin-left:auto;padding:8px 16px;font-size:13px}
  .nav-link{font-size:14px;white-space:nowrap}
  .article-card{padding:26px 22px 24px}
  .section{padding:50px 0}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .metric-grid{grid-template-columns:minmax(0,1fr)}
  .related-list{grid-template-columns:minmax(0,1fr)}
  .download-actions{grid-template-columns:minmax(0,1fr)}
  .dl-btn{flex-direction:row;justify-content:flex-start;gap:12px;padding:14px 16px;text-align:left}
  .dl-btn span{font-size:12.5px}
  .risk-band{flex-direction:column;gap:14px;padding:22px 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:11px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:19px}
  .article-body h3{font-size:17px}
  .end-inner{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --ink:#101a2e;
  --ink-2:#22304d;
  --muted:#5d6b85;
  --line:#e3e8f2;
  --line-strong:#d3dbe9;
  --bg:#f5f7fc;
  --bg-2:#eef2fa;
  --surface:#ffffff;
  --brand:#1c3a7d;
  --brand-2:#3d6ee0;
  --brand-soft:#e8eefc;
  --accent:#d99324;
  --accent-soft:#fdf3e2;
  --danger:#b4402f;
  --danger-soft:#fbeee9;
  --ok:#12876a;
  --radius-l:22px;
  --radius-m:14px;
  --radius-s:10px;
  --shadow-s:0 2px 10px rgba(16,26,46,.06);
  --shadow-m:0 16px 42px rgba(16,26,46,.10);
  --grad:linear-gradient(135deg,#1c3a7d 0%,#2f57b8 58%,#3d6ee0 100%);
  --wrap:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:32px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;box-shadow:0 8px 18px rgba(28,58,125,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:17px;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px}
.site-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--brand-2);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 10px 22px rgba(28,58,125,.24);
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.header-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(28,58,125,.3)}

/* ---------- shared ---------- */
.section{padding:70px 0}
.section-alt{background:var(--bg-2)}
.section-white{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;font-weight:700;letter-spacing:.2px;color:var(--ink)}
.section-head p{margin-top:13px;color:var(--muted);font-size:15.5px;line-height:1.9}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.5px;
}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.3px;
  background:var(--brand-soft);color:var(--brand);
}
.tag-accent{background:var(--accent-soft);color:#a06a10}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(28,58,125,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px rgba(28,58,125,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-strong);box-shadow:var(--shadow-s)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand-2);transform:translateY(-2px)}
.btn:focus-visible,.nav-link:focus-visible,.header-cta:focus-visible,.dl-btn:focus-visible,a:focus-visible{
  outline:3px solid rgba(61,110,224,.45);outline-offset:3px;
}

/* ---------- category hero ---------- */
.cat-hero{
  background:
    radial-gradient(900px 330px at 86% -14%,rgba(61,110,224,.16),transparent 70%),
    linear-gradient(180deg,#f7f9fe 0%,#eef3fc 100%);
  border-bottom:1px solid var(--line);
  padding:52px 0 64px;
}
.cat-hero-top{max-width:860px}
.cat-hero h1{
  margin-top:18px;
  font-size:clamp(26px,3.3vw,38px);
  line-height:1.36;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--ink);
}
.cat-hero-lead{margin-top:16px;color:var(--ink-2);font-size:16px;line-height:1.95;max-width:820px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-stack{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:20px;
  margin-top:40px;
  align-items:start;
}
.stack-main{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);box-shadow:var(--shadow-m);
  padding:26px 26px 20px;min-width:0;
}
.stack-title{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:15px;border-bottom:1px solid var(--line)}
.stack-title h2{font-size:17px;font-weight:700;color:var(--ink)}
.stack-title span{font-size:12px;color:var(--muted);white-space:nowrap}
.rank-list{margin-top:6px}
.rank-list li{display:flex;gap:14px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed var(--line);min-width:0}
.rank-list li:last-child{border-bottom:0;padding-bottom:4px}
.rank-no{
  flex:0 0 32px;height:32px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.rank-body{min-width:0}
.rank-body strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.55}
.rank-body em{font-style:normal;display:block;font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.7}
.stack-side{display:grid;gap:18px;min-width:0}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);box-shadow:var(--shadow-s);
  padding:20px 22px;min-width:0;
}
.side-card.offset{transform:translateY(20px)}
.side-card h3{font-size:15px;font-weight:700;color:var(--ink)}
.side-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.85}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.badge{
  font-size:12px;padding:4px 11px;border-radius:999px;
  background:var(--bg-2);color:var(--ink-2);border:1px solid var(--line);
}
.side-card.offset .badge{background:var(--accent-soft);border-color:#f3e0bf;color:#8a5d0f}

/* ---------- dimension cards ---------- */
.dim-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dim-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:24px;min-width:0;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.dim-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--line-strong)}
.dim-no{font-size:12px;font-weight:700;letter-spacing:1.4px;color:var(--brand-2)}
.dim-card h3{margin-top:10px;font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.dim-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:26px;min-width:0;box-shadow:var(--shadow-s);
}
.compare-panel h3{font-size:17px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.compare-panel h3 i{color:var(--brand-2);font-size:15px}
.compare-panel ul{margin-top:16px;display:grid;gap:12px}
.compare-panel li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.compare-panel li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--brand-2);
}
.compare-panel.alt li::before{background:var(--accent)}
.compare-note{
  margin-top:22px;padding:18px 22px;border-radius:var(--radius-m);
  background:var(--accent-soft);border:1px solid #f3e0bf;color:#7a5310;
  font-size:14px;line-height:1.9;
}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand-2);
  border-radius:var(--radius-m);padding:22px 24px;min-width:0;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateX(2px);box-shadow:var(--shadow-m)}
.scene-card:nth-child(even){border-left-color:var(--accent)}
.scene-card h3{font-size:16.5px;font-weight:700;color:var(--ink)}
.scene-card p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px;min-width:0;box-shadow:var(--shadow-s);position:relative;
}
.step-no{
  display:inline-flex;width:34px;height:34px;border-radius:11px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  align-items:center;justify-content:center;box-shadow:0 8px 16px rgba(28,58,125,.22);
}
.step-card h3{margin-top:14px;font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.55}
.step-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- signals ---------- */
.signal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.signal-card{
  background:var(--danger-soft);border:1px solid #f2d6cd;border-radius:var(--radius-m);
  padding:22px 24px;min-width:0;
}
.signal-card h3{font-size:16px;font-weight:700;color:var(--danger);display:flex;align-items:center;gap:9px}
.signal-card p{margin-top:9px;font-size:14px;color:#7a4335;line-height:1.85}

/* ---------- risk block ---------- */
.risk-block{
  background:linear-gradient(135deg,#101a2e 0%,#1b2b48 60%,#22304d 100%);
  color:#dbe4f5;border-radius:var(--radius-l);
  padding:40px;display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:36px;align-items:start;box-shadow:var(--shadow-m);
}
.risk-block h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:#fff;line-height:1.5}
.risk-block .risk-lead{margin-top:14px;font-size:14.5px;color:#9fadd0;line-height:1.9}
.risk-list{display:grid;gap:16px}
.risk-list li{display:flex;gap:14px;min-width:0}
.risk-list i{color:#e2a552;font-size:15px;margin-top:5px;flex:0 0 auto}
.risk-list strong{display:block;font-size:15px;font-weight:600;color:#fff;line-height:1.6}
.risk-list span{display:block;font-size:13.5px;color:#9fadd0;line-height:1.85;margin-top:3px}

/* ---------- terms ---------- */
.term-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 40px}
.term-item{border-bottom:1px dashed var(--line-strong);padding:16px 0;min-width:0}
.term-item dt{font-size:15px;font-weight:700;color:var(--ink)}
.term-item dd{margin:6px 0 0;font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:22px;min-width:0;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--line-strong)}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.post-date{font-size:12.5px;color:var(--muted)}
.post-card h3{margin-top:12px;font-size:16px;font-weight:700;line-height:1.6;color:var(--ink)}
.post-card h3 a:hover{color:var(--brand-2)}
.post-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;flex:1}
.post-more{
  margin-top:16px;font-size:13.5px;font-weight:600;color:var(--brand-2);
  display:inline-flex;align-items:center;gap:7px;transition:gap .2s ease;
}
.post-more:hover{gap:11px;color:var(--brand)}
.empty-note{
  padding:26px 24px;border-radius:var(--radius-m);border:1px dashed var(--line-strong);
  background:var(--surface);color:var(--muted);font-size:14.5px;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 22px;box-shadow:var(--shadow-s);
}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:19px;line-height:1;color:var(--brand-2);transition:transform .2s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- download ---------- */
.download-panel{
  background:var(--grad);color:#fff;border-radius:var(--radius-l);
  padding:40px;box-shadow:var(--shadow-m);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center;
}
.download-panel h2{font-size:clamp(20px,2.3vw,28px);font-weight:700;color:#fff;line-height:1.45}
.download-panel p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.9}
.download-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.dl-btn{
  display:flex;flex-direction:column;align-items:center;gap:7px;
  padding:18px 12px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:14px;font-weight:600;text-align:center;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.dl-btn:hover{background:rgba(255,255,255,.25);color:#fff;transform:translateY(-2px);border-color:rgba(255,255,255,.55)}
.dl-btn i{font-size:19px}
.dl-btn small{font-size:11.5px;font-weight:400;opacity:.82}
.download-hint{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.7);line-height:1.85}

/* ---------- footer ---------- */
.site-footer{background:#0d1526;color:#c6d0e4;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px}
.footer-brand strong{display:block;color:#fff;font-size:16px;line-height:1.3}
.footer-brand em{font-style:normal;font-size:12px;color:#8b9ab8;letter-spacing:.5px}
.footer-about{margin-top:16px;font-size:13.5px;line-height:1.95;color:#96a4c0}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:#96a4c0}
.footer-col a:hover{color:#fff}
.footer-risk{
  margin-top:34px;padding:16px 20px;border-radius:var(--radius-m);
  background:rgba(180,64,47,.16);border:1px solid rgba(180,64,47,.35);
  color:#e7bdb4;font-size:12.5px;line-height:1.95;
}
.footer-note{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:#7f8daa;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-stack{grid-template-columns:1fr;}
  .side-card.offset{transform:none;}
  .dim-grid,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .download-panel{grid-template-columns:1fr;gap:26px;}
  .risk-block{grid-template-columns:1fr;gap:26px;padding:34px;}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:10px;min-height:0;}
  .site-nav{order:3;width:100%;margin-left:0;gap:20px;overflow-x:auto;padding-bottom:4px;}
  .header-cta{margin-left:auto;}
  .section{padding:52px 0;}
  .compare-grid,.scene-grid,.signal-grid,.term-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .download-panel{padding:28px 22px;}
  .risk-block{padding:26px 22px;}
  .cat-hero{padding:38px 0 48px;}
  .stack-main{padding:22px 20px 16px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .dim-grid,.post-grid,.step-grid{grid-template-columns:1fr;}
  .download-actions{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .footer-note{font-size:12px;}
}