:root{--brand-1:#ff4d4d;--brand-2:#ff6b6b;--brand-3:#e63f3f;--brand-gradient-main:linear-gradient(180deg,var(--brand-2) 0%,var(--brand-1) 58%,var(--brand-3) 100%);--bg:#09070a;--bg2:#14090e;--line:rgba(255,255,255,.14);--line-soft:rgba(255,255,255,.08);--text:#fff3f6;--muted:#cdb6bd;--accent:#ff7f95}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Onest,system-ui,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 520px at 50% -120px,#6f1a37 0%,transparent 63%),
    radial-gradient(900px 380px at 80% 0%,rgba(255,94,120,.18) 0%,transparent 55%),
    linear-gradient(180deg,var(--bg),var(--bg2));
}
.container{width:min(1180px,92%);margin:0 auto}

.header{position:sticky;top:0;z-index:20;background:rgba(12,6,9,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.brand-logo{width:28px;height:28px;object-fit:contain;display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;text-decoration:none;border:1px solid var(--line);padding:10px 14px;border-radius:12px;color:#fff;font-weight:700;transition:.2s transform,.2s border-color}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.26)}
.header-btn{font-size:15px}

.main{padding:30px 0 40px}
.crumbs{display:flex;gap:8px;color:#bca4ab;font-size:14px;margin-bottom:14px;flex-wrap:wrap}
.crumbs a{color:#e4cdd3;text-decoration:none}

.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
.article{margin-top:8px;min-width:0}
.article-sidebar{position:sticky;top:88px;display:grid;gap:12px}

.inline-case-image{
  margin:0 0 22px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:22px;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  padding:14px;
}
.inline-case-image figure{
  margin:0 auto;
  max-width:860px;
}
.inline-case-image img{
  display:block;
  width:100%;
  height:auto;
  max-height:560px;
  object-fit:contain;
  border-radius:16px;
  background:#12090d;
}

.top-case-image{
  display:none;
}
.top-case-image figure{margin:0}
.top-case-image img{
  display:block;
  width:100%;
  max-height:420px;
  object-fit:cover;
}

.article-hero{
  border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(180deg,rgba(255,111,132,.2),rgba(255,111,132,.05) 55%,rgba(255,255,255,.02)),linear-gradient(180deg,#180b11,#11080c);
  box-shadow:0 24px 60px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.06);
  border-radius:24px;padding:24px;margin-bottom:24px;position:relative;overflow:hidden
}
.article-hero::after{content:"";position:absolute;inset:auto -30% -45% -30%;height:220px;background:radial-gradient(ellipse at center,rgba(255,102,136,.26) 0%,rgba(255,102,136,0) 70%);pointer-events:none}
.kicker{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:10px;flex-wrap:wrap}
.tag{padding:5px 10px;border-radius:999px;background:rgba(255,77,77,.17);color:#ff9bad;border:1px solid rgba(255,107,107,.42);font-weight:700}
h1{font-size:clamp(36px,6vw,68px);line-height:1.02;margin:8px 0 14px;letter-spacing:-.02em}
.lead{font-size:22px;color:#f0dde2;line-height:1.45;margin:0}
.hero-meta{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.hero-meta span{border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:7px 12px;font-size:12px;color:#f6dde4;background:rgba(255,255,255,.04)}

.chat-demo{border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:14px;margin:0 0 18px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02))}
.chat-demo__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.chat-demo__head p{margin:0;font-size:14px;font-weight:700;color:#ffe5eb}
.chat-demo__head span{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#ff9bad;border:1px solid rgba(255,127,149,.4);border-radius:999px;padding:4px 8px}
.chat-demo__window{
  border:1px solid rgba(255,255,255,.1);
  border-radius:14px;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  padding:10px;
}
.chat-demo__body{display:grid;gap:8px}
.msg{
  border:1px solid rgba(255,255,255,.14);
  border-radius:12px;
  padding:10px 11px;
  opacity:0;
  transform:translateY(10px) scale(.98);
  transition:.28s opacity,.32s transform;
}
.msg.is-visible{
  opacity:1;
  transform:translateY(0) scale(1);
}
.msg strong{display:block;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:#ffb3c2;margin-bottom:4px}
.msg p{margin:0;font-size:14px;line-height:1.45}
.msg--user{background:rgba(255,255,255,.03)}
.msg--bot{background:linear-gradient(180deg,rgba(255,77,77,.18),rgba(255,77,77,.06))}
.msg--small p{font-size:13px}
.chat-typing{
  display:none;
  margin-top:8px;
  align-items:center;
  gap:4px;
  width:max-content;
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:8px 10px;
  background:rgba(255,255,255,.04);
}
.chat-typing.is-visible{display:inline-flex}
.chat-typing span{
  width:6px;height:6px;border-radius:999px;background:#ff9bad;opacity:.45;
  animation:dotPulse 1s infinite;
}
.chat-typing span:nth-child(2){animation-delay:.2s}
.chat-typing span:nth-child(3){animation-delay:.4s}
@keyframes dotPulse{
  0%,80%,100%{transform:translateY(0);opacity:.35}
  40%{transform:translateY(-3px);opacity:1}
}

h2{font-size:34px;margin:30px 0 12px;line-height:1.08}
h3{font-size:22px;margin:0 0 8px;line-height:1.2}
p,ul,ol{line-height:1.75;color:#ebdfe3;font-size:18px}
.article-body{position:relative}
.article-body h2{margin-top:26px}
.article-body p{margin:0 0 12px}
.article-body ul,.article-body ol{margin:8px 0 14px}
ul,ol{padding-left:22px}
li{margin:8px 0}

.reading-rail{position:absolute;left:-18px;top:0;bottom:0;width:3px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden}
.reading-rail span{display:block;width:100%;height:0;background:linear-gradient(180deg,#ff7f95,#ff4d4d);transition:height .2s ease}

.case-visual-placeholder{
  min-height:260px;
  display:grid;
  place-items:center;
  text-align:center;
  padding:24px;
  gap:8px;
}
.case-visual-placeholder p{
  margin:0;
  font-size:20px;
  font-weight:700;
  color:#fff;
}
.case-visual-placeholder span{
  color:#cbb3bc;
  font-size:13px;
}

.panel{margin:16px 0;border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:18px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01))}
.panel h3{margin:0 0 6px}
.panel p{margin:0}

.sidebar-card{border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:14px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));backdrop-filter:blur(6px)}
.sidebar-title{margin:0 0 10px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#f7a8b8;font-weight:700}
.toc-list{display:grid;gap:7px}
.toc-link{color:#f1dbe1;text-decoration:none;font-size:14px;line-height:1.35;border-left:2px solid transparent;padding-left:8px;transition:.2s color,.2s border-color,.2s transform}
.toc-link:hover{color:#fff;border-left-color:#ff7f95;transform:translateX(2px)}
.toc-link.is-active{color:#fff;border-left-color:#ff7f95}
.toc-link--sub{font-size:13px;opacity:.86;padding-left:14px}
.toc-empty{margin:0;color:#c8b0b8;font-size:13px;line-height:1.4}
.case-card h3{font-size:20px;margin:0 0 8px}
.case-card p{margin:0 0 12px;font-size:14px;line-height:1.5}
.case-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:12px}
.case-metrics div{border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:8px 6px;display:grid;gap:2px;text-align:center;background:rgba(255,255,255,.03)}
.case-metrics b{font-size:15px;color:#fff}
.case-metrics span{font-size:11px;color:#cfbac0}
.case-link{display:inline-flex;align-items:center;justify-content:center;height:34px;border-radius:10px;padding:0 12px;text-decoration:none;color:#fff;font-size:13px;font-weight:700;background:var(--brand-gradient-main)}

.read-next{list-style:none;padding:0;margin:14px 0 0}
.related-grid{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}
.related-item a{display:flex;flex-direction:column;gap:8px;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px;text-decoration:none;background:linear-gradient(180deg,#1a0d13,#12090d);color:#fff;min-height:130px;transition:.2s transform,.2s border-color}
.related-item a:hover{transform:translateY(-2px);border-color:rgba(255,127,149,.6)}
.related-item small{font-size:12px;color:#ff9bad}
.related-item strong{font-size:16px;line-height:1.3}
.related-item span{margin-top:auto;color:var(--accent);font-size:14px;font-weight:700}

.reveal-up{animation:revealUp .52s ease both}
@keyframes revealUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

.footer{margin-top:34px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;color:#c3adb4;font-size:14px}
.footer a{color:#ead4da;text-decoration:none}

@media(max-width:900px){
  .article-shell{grid-template-columns:1fr}
  .article-sidebar{position:static;order:-1}
  .main{padding-top:20px}
  .chat-demo{padding:12px}
  .reading-rail{display:none}
  .inline-case-image{margin-bottom:16px;border-radius:18px;padding:10px}
  .inline-case-image img{max-height:360px}
  .top-case-image{margin-bottom:12px;border-radius:16px}
  .top-case-image img{max-height:280px}
  .article-hero{padding:18px;border-radius:18px}
  h1{font-size:40px}
  .lead{font-size:19px}
  h2{font-size:30px}
  p,ul,ol{font-size:17px}
  .related-grid{grid-template-columns:1fr}
}

html{background:#0b0709}
body{background-color:#0b0709;padding-bottom:env(safe-area-inset-bottom)}
.header,.top{padding-top:env(safe-area-inset-top)}
.nav,.top .wrap{min-height:56px}
@supports (-webkit-touch-callout: none){html,body{min-height:-webkit-fill-available}}
html,body{background:#0b0709 !important;overscroll-behavior-y:none}
body::before{content:"";position:fixed;inset:0;background:#0b0709;z-index:-1;pointer-events:none}