:root {
  color-scheme: light;
  --primary:#C1121F;
  --primary-hover:#A00E1A;
  --primary-soft:rgba(193,18,31,.10);
  --error:#FF4D4D;
  --text:#1A1A1A;
  --text-secondary:#555;
  --muted:#8A8A8A;
  --bg:#FAFAFA;
  --surface:#FFF;
  --elevated:#F5F5F5;
  --border:#E8E8E8;
  --shadow:0 2px 8px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{min-height:100vh;display:flex;flex-direction:column}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(12px);
}
.nav{
  max-width:1080px;margin:auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:18px
}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:800}
.brand:hover{text-decoration:none}
.brand img{width:36px;height:36px;border-radius:8px;box-shadow:var(--shadow)}
.navlinks{display:flex;gap:18px;align-items:center;font-size:14px;font-weight:650}
.navlinks a{color:var(--text-secondary)}
.navlinks a.active,.navlinks a:hover{color:var(--primary);text-decoration:none}
main{width:100%;max-width:960px;margin:auto;padding:46px 20px 72px;flex:1}
.article{max-width:760px;margin:auto}
.hero{text-align:left;border-bottom:1px solid var(--border);padding-bottom:32px}
.hero.center{text-align:center;border-bottom:0;padding-bottom:0;max-width:780px;margin:auto}
.icon{
  width:48px;height:48px;border-radius:16px;background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:24px;font-weight:800
}
.icon.danger{background:rgba(255,77,77,.09);color:#D83838}
.kicker{
  margin:18px 0 0;color:var(--primary);font-size:12px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase
}
h1{font-size:clamp(2rem,4vw,2.55rem);line-height:1.15;margin:7px 0 0;letter-spacing:-.03em}
h2{font-size:1.25rem;line-height:1.3;margin:0 0 10px;letter-spacing:-.015em}
h3{font-size:1rem;margin:0}
.lead{margin:22px 0 0;color:var(--text-secondary);font-size:16px}
.meta{margin:10px 0 0;color:var(--muted);font-size:14px}
.sections{margin-top:34px;display:grid;gap:34px}
.section p{margin:10px 0 0;color:var(--text-secondary)}
.section ul,.section ol{margin:12px 0 0;padding-left:23px;color:var(--text-secondary)}
.section li{margin:9px 0}
.notice{
  margin-top:28px;border:1px solid rgba(255,77,77,.28);
  background:rgba(255,77,77,.05);padding:20px;border-radius:18px
}
.notice strong{display:block;margin-bottom:6px}
.row{display:flex;gap:14px;align-items:flex-start}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px;
  box-shadow:0 1px 2px rgba(0,0,0,.02)
}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.topic-card{color:var(--text)}
.topic-card:hover{text-decoration:none;border-color:rgba(193,18,31,.28);transform:translateY(-2px)}
.topic-card{transition:.18s ease}
.topic-card .mini{width:40px;height:40px;border-radius:12px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:19px}
.topic-card p{font-size:14px;line-height:1.55;color:var(--text-secondary);margin:8px 0 0}
.support-section{margin-top:44px}
.support-head{margin-bottom:18px}
.support-head p{margin:4px 0 0;color:var(--text-secondary);font-size:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-group header{display:flex;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.faq-group header .mini{width:40px;height:40px;flex:none;border-radius:12px;background:var(--elevated);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:19px}
.faq-group header p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.45}
details{border-top:1px solid var(--border);padding:14px 0}
details:first-of-type{border-top:0}
summary{cursor:pointer;list-style:none;font-weight:700;font-size:14px;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";width:22px;height:22px;border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);flex:none}
details[open] summary::after{content:"×"}
.answer{margin-top:9px;color:var(--text-secondary);font-size:14px}
.contact{
  margin-top:44px;border:1px solid rgba(193,18,31,.18);background:rgba(193,18,31,.05);
  border-radius:24px;padding:26px
}
.contact-flex{display:flex;justify-content:space-between;gap:24px;align-items:center}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;background:var(--primary);color:white!important;
  font-size:14px;font-weight:800;padding:11px 19px;white-space:nowrap
}
.button:hover{background:var(--primary-hover);text-decoration:none}
.button.secondary{background:var(--surface);color:var(--primary)!important;border:1px solid rgba(193,18,31,.22)}
.page-footer{border-top:1px solid var(--border);margin-top:42px;padding-top:20px;color:var(--muted);font-size:13px}
.site-footer{border-top:1px solid var(--border);background:var(--surface)}
.site-footer .inner{max-width:1080px;margin:auto;padding:24px 20px;display:flex;justify-content:space-between;gap:20px;align-items:center;color:var(--muted);font-size:13px}
.site-footer .links{display:flex;gap:16px;flex-wrap:wrap}
.hub{max-width:780px;margin:auto;text-align:center}
.hub .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px;text-align:left}
.hub .cards a{color:var(--text)}
.hub .cards a:hover{text-decoration:none;border-color:rgba(193,18,31,.3)}
.hub .cards p{font-size:14px;color:var(--text-secondary);margin:8px 0 0}
.small-note{font-size:13px;color:var(--muted)}
@media(max-width:780px){
  .grid{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .navlinks{gap:12px;font-size:13px}
  .hub .cards{grid-template-columns:1fr}
}
@media(max-width:560px){
  main{padding:32px 16px 56px}
  .nav{padding:12px 16px}
  .brand span{display:none}
  .navlinks{gap:10px}
  .grid{grid-template-columns:1fr}
  .contact-flex,.site-footer .inner{align-items:flex-start;flex-direction:column}
}