:root{
  --bg:#F3F1F4;
  --alt:#EAE7EE;
  --card:#FFFFFF;
  --ink:#2B2730;
  --ink2:#5F5967;
  --line:#DAD4DE;
  --brand:#7B2D3B;
  --brand2:#62212D;
  --accent:#5C7A99;
  --foot:#241F28;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding-left:0;list-style:none}
.top{
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(243,241,244,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.4) blur(6px);
}
.top__in{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:12px 24px;
  display:flex;
  align-items:center;
  gap:18px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{display:block;width:30px;height:30px}
.brand__txt{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:16px;letter-spacing:.02em}
.brand__txt em{font-style:normal;font-size:10px;font-weight:600;color:var(--accent);letter-spacing:.16em;text-transform:uppercase}
.nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav a{
  display:inline-block;
  padding:7px 11px;
  font-size:13px;
  color:var(--ink2);
  border-bottom:2px solid transparent;
  transition:color .18s,border-color .18s;
}
.nav a:hover{color:var(--brand)}
.nav a[aria-current="page"]{color:var(--brand);border-bottom-color:var(--brand)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:10px 20px;
  font-size:14px;
  font-weight:700;
  line-height:1.2;
  white-space:nowrap;
  border-radius:2px;
  border:1px solid transparent;
  transition:background-color .18s,color .18s,border-color .18s;
}
.btn.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn.btn-primary:hover{background:var(--brand2);border-color:var(--brand2);color:#fff}
.btn.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn.btn-ghost:hover{background:var(--brand);color:#fff}
.top__in > .btn{margin-left:8px;flex:0 0 auto}
.hero{background:linear-gradient(180deg,#F7F5F8 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.hero__in{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:64px 24px 58px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 322px;
  gap:56px;
  align-items:center;
}
.kicker{
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:14px;
}
.hero h1,.page-hero h1{
  font-size:44px;
  line-height:1.16;
  letter-spacing:-.01em;
  font-weight:700;
}
.lead{
  margin-top:18px;
  font-size:16px;
  color:var(--ink2);
  max-width:38em;
}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero__facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.hero__facts li{
  font-size:13px;
  color:var(--ink2);
  position:relative;
  padding-left:14px;
}
.hero__facts li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:6px;
  height:6px;
  background:var(--accent);
}
.hero__shot{
  justify-self:center;
  margin:0;
  max-width:322px;
  background:#fff;
  border:1px solid var(--line);
  padding:10px;
  box-shadow:14px 14px 0 -1px var(--bg),15px 15px 0 0 var(--line);
}
.hero__shot img{width:100%;height:auto}
.hero__shot figcaption{
  margin-top:10px;
  padding-top:8px;
  border-top:1px solid var(--line);
  font-size:12px;
  color:var(--ink2);
}
.layout{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 286px;
  gap:52px;
  align-items:start;
}
.main{min-width:0;padding:52px 0 10px}
.aside{
  position:sticky;
  top:78px;
  margin-top:52px;
  background:var(--card);
  border:1px solid var(--line);
  padding:20px 20px 22px;
}
.aside__t{
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  text-transform:uppercase;
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.aside__list{margin-top:6px}
.aside__row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dotted var(--line);
  font-size:13px;
}
.aside__k{color:var(--ink2)}
.aside__v{font-weight:700;text-align:right}
.aside__note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:var(--ink2);
}
.sec{padding:38px 0 6px}
.sec__head{position:relative;padding-left:18px;margin-bottom:22px}
.sec__bar{position:absolute;left:0;top:6px;bottom:4px;width:4px;background:var(--brand)}
.sec__kicker{
  display:block;
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:6px;
}
.sec h2{font-size:27px;line-height:1.3;font-weight:700}
.sub{margin-top:8px;font-size:15px;color:var(--ink2)}
.cols3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  border-top:2px solid var(--brand);
}
.col{
  padding:22px 20px 24px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
}
.col:nth-child(3n){border-right:0}
.col__no{
  display:block;
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--accent);
  margin-bottom:10px;
}
.col__t{font-size:17px;font-weight:700;margin-bottom:8px}
.col p{font-size:14px;color:var(--ink2);line-height:1.8}
.prose{margin-top:6px}
.prose p{margin:15px 0;font-size:15.5px;color:#3A3540}
.prose h3{font-size:18px;margin:26px 0 6px;font-weight:700}
.prose b{color:var(--brand);font-weight:700}
.quote{
  margin:24px 0;
  padding:18px 22px;
  background:var(--alt);
  border-left:4px solid var(--accent);
  font-size:15px;
  color:#3A3540;
}
.shots{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin-top:4px;
}
.shot{margin:0}
.shot{background:#fff;border:1px solid var(--line);padding:6px 6px 8px}
.shot img{width:100%;height:auto}
.shot figcaption{margin-top:8px;font-size:12px;color:var(--ink2);line-height:1.6}
.quotes{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:4px;
}
.qcard{
  background:var(--card);
  border:1px solid var(--line);
  border-top:3px solid var(--brand);
  padding:20px 20px 18px;
}
.qcard p{font-size:14.5px;color:#3A3540;line-height:1.85}
.qcard cite{
  display:block;
  margin-top:12px;
  font-style:normal;
  font-size:12px;
  color:var(--accent);
  font-weight:700;
  letter-spacing:.04em;
}
.qa{margin-top:4px;border-top:1px solid var(--line)}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{
  cursor:pointer;
  padding:16px 30px 16px 0;
  font-size:16px;
  font-weight:700;
  position:relative;
  list-style:none;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{
  content:"+";
  position:absolute;
  right:2px;
  top:14px;
  font-size:18px;
  font-weight:400;
  color:var(--accent);
}
.qa details[open] summary::after{content:"–"}
.qa p{padding:0 0 18px;font-size:14.5px;color:var(--ink2);line-height:1.85;max-width:46em}
.steps{margin:6px 0 0;counter-reset:s}
.step{
  display:grid;
  grid-template-columns:66px minmax(0,1fr);
  gap:14px;
  padding:14px 0;
  border-bottom:1px dotted var(--line);
}
.step b{
  display:block;
  white-space:nowrap;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent);
  padding-top:4px;
}
.step p{font-size:14.5px;color:var(--ink2);line-height:1.8}
.tbl-cap{font-size:13px;color:var(--ink2);margin:8px 0}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
.tbl{width:100%;min-width:540px;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:var(--alt);font-weight:700;font-size:13px;letter-spacing:.02em}
.tbl tr:last-child td{border-bottom:0}
.infig{margin:26px auto;max-width:420px;background:#fff;border:1px solid var(--line);padding:8px}
.infig img{width:auto;max-width:100%;height:auto;margin:0 auto}
.infig figcaption{margin-top:8px;font-size:12px;color:var(--ink2);text-align:center}
.next{
  margin:34px 0 0;
  padding:20px 22px;
  border:1px solid var(--line);
  background:var(--card);
}
.next h2{font-size:16px;font-weight:700;margin-bottom:8px}
.next a{
  display:inline-block;
  margin:6px 18px 0 0;
  font-size:14px;
  color:var(--brand);
  border-bottom:1px solid var(--line);
  transition:border-color .18s;
}
.next a:hover{border-bottom-color:var(--brand)}
.cta{background:var(--foot);color:#fff;margin-top:56px}
.cta__in{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:46px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.cta h2{font-size:25px;font-weight:700;line-height:1.3}
.cta .sub{color:#C9BFC9;margin-top:8px;font-size:14.5px;max-width:34em}
.cta__btns{display:flex;flex-wrap:wrap;gap:12px}
.cta .btn.btn-primary{background:#fff;color:var(--foot);border-color:#fff}
.cta .btn.btn-primary:hover{background:#EDE6EC;border-color:#EDE6EC;color:var(--foot)}
.cta .btn.btn-ghost{background:transparent;color:#fff;border-color:#7C6C7A}
.cta .btn.btn-ghost:hover{background:#fff;color:var(--foot);border-color:#fff}
.cta__note{width:100%;font-size:12px;color:#A797A5;border-top:1px solid #3B3440;padding-top:14px}
.foot{background:#F7F5F8;border-top:1px solid var(--line)}
.foot__in{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:26px 24px 20px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 30px;
}
.foot__brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:14px}
.foot__brand img{width:24px;height:24px}
.foot__nav{display:flex;flex-wrap:wrap;gap:4px 16px;margin-left:auto}
.foot__nav a{font-size:13px;color:var(--ink2);transition:color .18s}
.foot__nav a:hover{color:var(--brand)}
.foot__rule{width:100%;height:1px;background:var(--line)}
.foot__disc{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px 24px;
  font-size:12px;
  line-height:1.75;
  color:var(--ink2);
}
.foot__copy{font-size:12px;color:var(--ink2)}
.page-hero{background:linear-gradient(180deg,#F7F5F8,var(--bg));border-bottom:1px solid var(--line)}
.page-hero__in{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:48px 24px 40px;
}
.page-hero .kicker{margin-bottom:12px}
.page-hero h1{font-size:36px}
.page-hero .lead{max-width:44em}
@media (max-width:980px){
  .hero__in{grid-template-columns:minmax(0,1fr);gap:34px;padding:44px 20px 44px}
  .hero__shot{justify-self:start;max-width:290px}
  .layout{grid-template-columns:minmax(0,1fr);gap:0;padding:0 20px}
  .aside{position:static;margin-top:0;order:2;margin-bottom:34px}
  .main{order:1;padding:38px 0 0}
  .cols3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .col:nth-child(3n){border-right:1px solid var(--line)}
  .col:nth-child(2n){border-right:0}
  .shots{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quotes{grid-template-columns:minmax(0,1fr)}
  .hero h1{font-size:36px}
  .page-hero h1{font-size:29px}
  .nav a{font-size:12px;padding:6px 8px}
}
@media (max-width:620px){
  .top__in{flex-wrap:wrap;padding:10px 16px;gap:10px}
  .brand__txt em{display:none}
  .nav{flex:1 0 100%;order:3;justify-content:flex-start;margin-left:0;gap:0}
  .top__in > .btn{padding:8px 12px;font-size:13px;margin-left:0}
  .top__in > .btn.btn-primary{margin-left:auto}
  .hero__in{padding:34px 16px 38px}
  .hero h1{font-size:29px}
  .hero__shot{max-width:270px}
  .layout{padding:0 16px}
  .cols3{grid-template-columns:minmax(0,1fr)}
  .col{border-right:0}
  .shots{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .sec h2{font-size:22px}
  .cta__in{padding:34px 16px}
  .cta h2{font-size:21px}
  .foot__in{padding:22px 16px 14px}
  .foot__nav{margin-left:0;flex:1 0 100%}
  .foot__disc{padding:0 16px 20px}
  .page-hero__in{padding:32px 16px 28px}
  .step{grid-template-columns:58px minmax(0,1fr);gap:10px}
}