.ac-article-page{
  --ac-blue:#087ce8;
  --ac-blue-dark:#075cad;
  --ac-navy:#061d3b;
  --ac-ink:#081f38;
  --ac-muted:#617287;
  --ac-line:#d8e4ee;
  --ac-soft:#f4f8fc;
  width:min(100%,1320px);
  margin:0 auto clamp(54px,7vw,96px);
  color:var(--ac-ink);
}

.ac-reading-progress{
  position:fixed;
  z-index:120;
  top:0;
  left:0;
  width:100%;
  height:3px;
  overflow:hidden;
  background:rgba(8,124,232,.08);
  pointer-events:none;
}

.ac-reading-progress span{
  display:block;
  width:100%;
  height:100%;
  background:var(--ac-blue);
  transform:scaleX(0);
  transform-origin:left center;
  will-change:transform;
}

.ac-crumbs{
  display:flex;
  align-items:center;
  gap:9px;
  min-width:0;
  margin:28px 0 15px;
  color:#6d7f91;
  font-size:.82rem;
  line-height:1.4;
}

.ac-crumbs a{
  color:#61768b;
  text-decoration:none;
  transition:color .18s ease;
}

.ac-crumbs a:hover{color:var(--ac-blue-dark)}

.ac-crumbs svg{
  width:13px;
  height:13px;
  flex:none;
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.ac-crumbs__current{
  min-width:0;
  overflow:hidden;
  color:#2e4257;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.ac-crumbs__current-short{display:none}

.ac-article{
  min-width:0;
}

.ac-article-hero{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.28fr) minmax(360px,.72fr);
  min-height:390px;
  overflow:hidden;
  border:1px solid #dce7f0;
  border-radius:32px 32px 0 0;
  background:#f7faff;
  box-shadow:0 22px 60px rgba(24,58,91,.08);
  isolation:isolate;
}

.ac-article-hero::before{
  content:"";
  position:absolute;
  z-index:-1;
  inset:auto 25% -150px -100px;
  height:300px;
  background:radial-gradient(ellipse at center,rgba(8,124,232,.12),transparent 69%);
  pointer-events:none;
}

.ac-article-hero__copy{
  position:relative;
  z-index:2;
  align-self:center;
  min-width:0;
  padding:clamp(42px,4.6vw,66px) clamp(34px,5.7vw,84px);
  padding-right:clamp(32px,3vw,48px);
}

.ac-article-hero h1{
  max-width:860px;
  margin:0;
  color:var(--ac-ink);
  font-size:clamp(2.45rem,3.5vw,3.7rem);
  font-weight:800;
  line-height:1.03;
  letter-spacing:-.052em;
  text-wrap:wrap;
}

.ac-article-hero__lead{
  max-width:760px;
  margin:25px 0 0;
  color:#41566d;
  font-size:clamp(1.05rem,1.25vw,1.22rem);
  line-height:1.65;
}

.ac-article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
  margin-top:32px;
  color:#61758a;
  font-size:.82rem;
  font-weight:650;
}

.ac-article-meta span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}

.ac-article-meta svg{
  width:18px;
  height:18px;
  flex:none;
  fill:none;
  stroke:#3587d3;
  stroke-width:1.75;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.ac-article-hero__media{
  position:relative;
  min-width:0;
  min-height:100%;
  overflow:hidden;
  background:#edf5fb;
}

.ac-article-hero__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,#f7faff 0%,rgba(247,250,255,.82) 13%,transparent 42%);
  pointer-events:none;
}

.ac-article-hero__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}

.ac-toc-mobile{display:none}

.ac-article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) minmax(260px,310px);
  justify-content:space-between;
  gap:clamp(48px,6vw,92px);
  padding:clamp(48px,6vw,86px) clamp(34px,5.7vw,84px) clamp(56px,7vw,96px);
  border-right:1px solid #dce7f0;
  border-left:1px solid #dce7f0;
  background:#fff;
}

.ac-article-body{
  min-width:0;
  font-size:clamp(1.08rem,1.15vw,1.18rem);
  line-height:1.78;
}

.ac-article-body p{
  max-width:75ch;
  margin:0 0 1.15em;
  color:#263d53;
}

.ac-article-intro{
  position:relative;
  margin:0 0 48px;
  padding:3px 0 3px 27px;
  border-left:3px solid var(--ac-blue);
}

.ac-article-intro p{
  color:#17344f;
  font-size:clamp(1.18rem,1.48vw,1.42rem);
  font-weight:570;
  line-height:1.62;
  letter-spacing:-.012em;
}

.ac-article-intro p:last-child,
.ac-article-section__content p:last-child,
.ac-article-closing p:last-child{margin-bottom:0}

.ac-article-section{
  padding:38px 0 42px;
  border-top:1px solid var(--ac-line);
  scroll-margin-top:122px;
}

.ac-article-section:first-of-type{border-top:0}

.ac-article-section__head{
  display:grid;
  grid-template-columns:54px minmax(0,1fr);
  gap:20px;
  align-items:start;
  margin-bottom:18px;
}

.ac-article-section__head>span{
  padding-top:4px;
  color:var(--ac-blue);
  font-size:1.04rem;
  font-weight:800;
  letter-spacing:.02em;
}

.ac-article-section h2{
  margin:0;
  color:var(--ac-ink);
  font-size:clamp(1.62rem,2.1vw,2.15rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.035em;
  text-wrap:balance;
}

.ac-article-section__content{
  padding-left:74px;
}

.ac-article-body ul{
  display:grid;
  gap:13px;
  max-width:75ch;
  margin:18px 0 0;
  padding:0;
  list-style:none;
}

.ac-article-body li{
  position:relative;
  padding-left:25px;
  color:#263d53;
}

.ac-article-body li::before{
  content:"";
  position:absolute;
  top:.72em;
  left:1px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--ac-blue);
  box-shadow:0 0 0 5px rgba(8,124,232,.08);
}

.ac-article-closing{
  margin-top:12px;
  padding:25px 28px;
  border:1px solid #cfe1f1;
  border-radius:18px;
  background:#f4f9fe;
}

.ac-article-closing p{
  color:#153d61;
  font-weight:600;
}

.ac-article-aside{min-width:0}

.ac-toc{
  position:sticky;
  top:112px;
  padding:28px 28px 24px;
  border:1px solid #d9e6f0;
  border-radius:21px;
  background:#f7faff;
}

.ac-toc strong{
  display:block;
  color:var(--ac-ink);
  font-size:1.08rem;
  letter-spacing:-.015em;
}

.ac-toc ol{
  margin:18px 0 0;
  padding:0;
  list-style:none;
}

.ac-toc li+li{border-top:1px solid #dce7f0}

.ac-toc a[data-toc-link]{
  position:relative;
  display:grid;
  grid-template-columns:31px minmax(0,1fr);
  gap:10px;
  padding:17px 2px;
  color:#344c63;
  font-size:.84rem;
  font-weight:680;
  line-height:1.45;
  text-decoration:none;
  transition:color .18s ease,transform .18s ease;
}

.ac-toc a[data-toc-link]::before{
  content:"";
  position:absolute;
  top:11px;
  bottom:11px;
  left:-29px;
  width:3px;
  border-radius:0 4px 4px 0;
  background:var(--ac-blue);
  opacity:0;
  transform:scaleY(.35);
  transition:opacity .18s ease,transform .18s ease;
}

.ac-toc a[data-toc-link]>span{
  color:#7890a6;
  font-variant-numeric:tabular-nums;
}

.ac-toc a[data-toc-link]:hover,
.ac-toc a[data-toc-link].is-active{
  color:var(--ac-blue-dark);
}

.ac-toc a[data-toc-link]:hover{transform:translateX(2px)}
.ac-toc a[data-toc-link].is-active::before{opacity:1;transform:scaleY(1)}
.ac-toc a[data-toc-link].is-active>span{color:var(--ac-blue)}

.ac-toc__help{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:17px;
  padding-top:19px;
  border-top:1px solid #dce7f0;
  color:var(--ac-blue-dark);
  font-size:.82rem;
  font-weight:800;
  line-height:1.35;
  text-decoration:none;
}

.ac-toc__help svg,
.ac-button svg{
  width:20px;
  height:20px;
  flex:none;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.ac-article-cta{
  display:grid;
  grid-template-columns:72px minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  padding:34px clamp(34px,5.7vw,84px);
  border-radius:0 0 32px 32px;
  background:#061d3b;
  box-shadow:0 24px 56px rgba(3,23,48,.19);
}

.ac-article-cta__icon{
  display:grid;
  width:72px;
  height:72px;
  place-items:center;
  border:1px solid rgba(255,255,255,.24);
  border-radius:18px;
  background:rgba(255,255,255,.055);
  color:#c9e6ff;
}

.ac-article-cta__icon svg{
  width:45px;
  height:45px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.ac-article-cta__copy h2{
  margin:0;
  color:#fff;
  font-size:clamp(1.28rem,1.7vw,1.75rem);
  line-height:1.2;
  letter-spacing:-.025em;
}

.ac-article-cta__copy p{
  max-width:650px;
  margin:8px 0 0;
  color:#b9c9da;
  font-size:.91rem;
  line-height:1.55;
}

.ac-article-cta__actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.ac-button{
  display:inline-flex;
  min-height:50px;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:12px;
  font-family:inherit;
  font-size:.88rem;
  font-weight:800;
  line-height:1;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .18s ease,background .18s ease,border-color .18s ease;
}

.ac-button:hover{transform:translateY(-2px)}

.ac-button--primary{
  background:#087ce8;
  box-shadow:0 12px 25px rgba(8,124,232,.25);
  color:#fff!important;
}

.ac-button--primary:hover{background:#076dcc}

.ac-button--secondary{
  border-color:rgba(255,255,255,.24);
  background:transparent;
  color:#dcecff!important;
}

.ac-button--secondary:hover{
  border-color:rgba(255,255,255,.42);
  background:rgba(255,255,255,.07);
}

.ac-button:focus-visible,
.ac-toc a:focus-visible,
.ac-crumbs a:focus-visible,
.ac-toc-mobile summary:focus-visible{
  outline:3px solid rgba(8,124,232,.3);
  outline-offset:3px;
}

@media(min-width:1920px){
  .ac-article-page{width:min(100%,1480px)}
  .ac-article-layout{grid-template-columns:minmax(0,880px) 320px}
  .ac-article-hero{grid-template-columns:minmax(0,1.38fr) minmax(410px,.62fr)}
}

@media(max-width:1100px){
  .ac-article-hero{
    grid-template-columns:minmax(0,1.38fr) minmax(300px,.62fr);
    min-height:385px;
  }

  .ac-article-hero__copy{padding:44px}
  .ac-article-layout{grid-template-columns:minmax(0,1fr);padding:56px 48px 68px}
  .ac-article-aside{display:none}
  .ac-toc-mobile{
    display:block;
    margin:26px 0 0;
    border:1px solid #cdddeb;
    border-radius:16px;
    background:#fff;
  }

  .ac-toc-mobile summary{
    display:flex;
    min-height:64px;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:0 22px;
    color:var(--ac-ink);
    font-weight:800;
    cursor:pointer;
    list-style:none;
  }

  .ac-toc-mobile summary::-webkit-details-marker{display:none}
  .ac-toc-mobile summary>span{display:inline-flex;align-items:center;gap:11px}
  .ac-toc-mobile summary svg{
    width:22px;
    height:22px;
    fill:none;
    stroke:currentColor;
    stroke-width:1.8;
    stroke-linecap:round;
    stroke-linejoin:round;
  }
  .ac-toc-mobile__chevron{transition:transform .2s ease}
  .ac-toc-mobile[open] .ac-toc-mobile__chevron{transform:rotate(180deg)}
  .ac-toc-mobile ol{
    display:grid;
    gap:0;
    margin:0;
    padding:0 22px 18px;
    list-style:none;
  }
  .ac-toc-mobile li+li{border-top:1px solid #e0e9f1}
  .ac-toc-mobile a{
    display:grid;
    grid-template-columns:30px minmax(0,1fr);
    gap:10px;
    padding:14px 0;
    color:#28435c;
    font-size:.9rem;
    font-weight:700;
    line-height:1.4;
    text-decoration:none;
  }
  .ac-toc-mobile a span{color:var(--ac-blue)}
}

@media(max-width:780px){
  .ac-crumbs{margin-top:21px}
  .ac-article-hero{
    display:block;
    min-height:0;
    border-radius:26px 26px 0 0;
  }
  .ac-article-hero__copy{padding:42px 34px 38px}
  .ac-article-hero__media{display:none}
  .ac-article-hero h1{font-size:clamp(2.25rem,7.4vw,3.45rem)}
  .ac-article-hero__lead{margin-top:20px}
  .ac-article-meta{margin-top:26px}
  .ac-article-layout{padding:46px 34px 58px}
  .ac-article-cta{
    grid-template-columns:58px minmax(0,1fr);
    gap:19px;
    padding:30px 34px 34px;
    border-radius:0 0 26px 26px;
  }
  .ac-article-cta__icon{width:58px;height:58px;border-radius:15px}
  .ac-article-cta__icon svg{width:37px;height:37px}
  .ac-article-cta__actions{
    grid-column:1/-1;
    display:grid;
    grid-template-columns:1fr 1fr;
  }
}

@media(max-width:560px){
  .ac-article-page{margin-bottom:54px}
  .ac-crumbs{
    gap:7px;
    margin:18px 1px 11px;
    font-size:.76rem;
  }
  .ac-crumbs__current-full{display:none}
  .ac-crumbs__current-short{display:inline}
  .ac-article-hero{border-radius:22px 22px 0 0}
  .ac-article-hero__copy{padding:34px 22px 30px}
  .ac-article-hero h1{
    max-width:100%;
    font-size:clamp(1.95rem,8.1vw,2.35rem);
    line-height:1.04;
    letter-spacing:-.045em;
    overflow-wrap:normal;
  }
  .ac-article-hero__lead{
    font-size:1rem;
    line-height:1.6;
  }
  .ac-article-meta{
    display:grid;
    grid-template-columns:1fr;
    gap:9px;
    font-size:.78rem;
  }
  .ac-toc-mobile{
    margin-top:18px;
    border-radius:14px;
  }
  .ac-toc-mobile summary{min-height:60px;padding:0 18px}
  .ac-toc-mobile ol{padding:0 18px 14px}
  .ac-article-layout{padding:39px 22px 48px}
  .ac-article-body{font-size:1.06rem;line-height:1.74}
  .ac-article-intro{
    margin-bottom:35px;
    padding-left:18px;
  }
  .ac-article-intro p{font-size:1.14rem;line-height:1.62}
  .ac-article-section{padding:31px 0 35px}
  .ac-article-section__head{
    grid-template-columns:38px minmax(0,1fr);
    gap:9px;
    margin-bottom:17px;
  }
  .ac-article-section__head>span{
    padding-top:3px;
    font-size:.92rem;
  }
  .ac-article-section h2{
    font-size:clamp(1.4rem,6.3vw,1.72rem);
    line-height:1.21;
  }
  .ac-article-section__content{padding-left:47px}
  .ac-article-body ul{gap:12px}
  .ac-article-body li{padding-left:22px}
  .ac-article-closing{
    margin-left:0;
    margin-right:0;
    padding:20px;
    border-radius:15px;
  }
  .ac-article-cta{
    display:block;
    padding:31px 22px 25px;
    border-radius:0 0 22px 22px;
    text-align:center;
  }
  .ac-article-cta__icon{
    width:56px;
    height:56px;
    margin:0 auto 17px;
  }
  .ac-article-cta__copy p{margin-top:9px}
  .ac-article-cta__actions{
    display:grid;
    grid-template-columns:1fr;
    gap:9px;
    margin-top:23px;
  }
  .ac-button{width:100%}
}

@media(max-width:360px){
  .ac-article-hero__copy{padding:30px 18px 27px}
  .ac-article-hero h1{font-size:1.86rem}
  .ac-article-layout{padding:34px 18px 43px}
  .ac-article-section__content{padding-left:0}
  .ac-article-section__head{
    grid-template-columns:1fr;
    gap:6px;
  }
  .ac-article-cta{padding-inline:18px}
}

@media(prefers-reduced-motion:reduce){
  .ac-reading-progress span,
  .ac-toc-mobile__chevron,
  .ac-button,
  .ac-toc a,
  .ac-crumbs a{transition:none!important}
}