.demo-shell{
  width:min(1180px,calc(100vw - 32px));
  margin:0 auto;
  padding:36px 0 64px;
}
.demo-shell .hero{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(107,62,255,.18);
  border-radius:34px;
  padding:34px;
  background:linear-gradient(135deg,rgba(107,62,255,.96),rgba(41,121,255,.88));
  color:#fff;
  box-shadow:0 24px 70px rgba(31,24,74,.16);
}
.demo-shell .hero:before{display:none}
.demo-shell .hero:after{
  content:"";
  position:absolute;
  width:340px;
  height:340px;
  right:-110px;
  top:-120px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
}
.demo-shell .hero>*{position:relative;z-index:1}
.demo-shell .breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  color:rgba(255,255,255,.78);
  font-size:13px;
  font-weight:900;
  margin-bottom:16px;
}
.demo-shell .breadcrumb a{color:#fff}
.demo-shell .kicker{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.30);
  color:#fff;
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
  margin-bottom:0;
}
.demo-shell .hero h1{
  color:#fff;
  margin:14px 0 12px;
  font-size:clamp(30px,5vw,54px);
  line-height:1.08;
}
.demo-shell .hero p{
  margin:0;
  max-width:760px;
  color:rgba(255,255,255,.88);
  font-size:16px;
  line-height:1.85;
  font-weight:700;
}
.demo-shell .hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.demo-shell .btn-ghost{
  background:rgba(255,255,255,.16);
  color:#fff;
  border-color:rgba(255,255,255,.36);
}
.demo-hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(360px,.82fr);
  gap:30px;
  align-items:center;
}
.demo-hero-copy{min-width:0}
.demo-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:20px;
}
.demo-tags span{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  padding:0 12px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:999px;
  background:rgba(255,255,255,.14);
  color:#fff;
  font-size:12px;
  font-weight:900;
}
.demo-hero-shot{
  position:relative;
  border-radius:30px;
  padding:12px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 24px 70px rgba(17,19,27,.18);
  backdrop-filter:blur(14px);
}
.demo-hero-shot img{
  width:100%;
  height:auto;
  max-height:360px;
  object-fit:contain;
  border-radius:22px;
  background:#fff;
}
.campaign-story{
  display:grid;
  grid-template-columns:1.15fr repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:28px;
}
.capability-panel{
  margin-top:28px;
  border:1px solid var(--line);
  border-radius:32px;
  background:#fff;
  padding:30px;
  box-shadow:var(--soft-shadow);
}
.capability-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
}
.capability-card{
  border:1px solid #D8CCFF;
  border-radius:22px;
  background:linear-gradient(145deg,#fff,#F6F1FF);
  padding:18px;
}
.capability-card.is-off{
  border-color:#E5E7EF;
  background:linear-gradient(145deg,#fff,#F8FAFC);
}
.capability-card span{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 9px;
  border-radius:999px;
  background:rgba(107,62,255,.10);
  color:var(--purple-dark);
  font-size:11px;
  font-weight:900;
}
.capability-card.is-off span{
  background:#EEF1F7;
  color:#697184;
}
.capability-card strong{
  display:block;
  color:var(--ink);
  font-size:20px;
  line-height:1.35;
  margin:12px 0 6px;
}
.capability-card p{
  margin:0;
  color:var(--muted);
  font-size:13px;
  font-weight:800;
  line-height:1.7;
}
.story-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:24px;
  box-shadow:var(--soft-shadow);
}
.story-main{
  background:linear-gradient(145deg,#fff,#F4F0FF);
  border-color:#D8CCFF;
}
.story-label{
  display:inline-flex;
  align-items:center;
  color:var(--purple);
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
  margin-bottom:10px;
}
.story-card h2{
  margin:0 0 10px;
  font-size:clamp(22px,2.4vw,32px);
}
.story-card strong{
  display:block;
  color:var(--ink);
  font-size:18px;
  line-height:1.5;
  margin-bottom:8px;
}
.story-card p{
  margin:0;
  color:var(--muted);
  font-weight:700;
  line-height:1.8;
}
.demo-switcher-panel{
  margin-top:28px;
  border:1px solid var(--line);
  border-radius:32px;
  background:#fff;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.demo-switcher-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:136px;
  padding:34px 30px;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.demo-switcher-head h2{
  margin:8px 0 0;
  font-size:22px;
  line-height:1.35;
}
.stage-label{
  color:var(--purple);
  font-size:13px;
  font-weight:900;
  letter-spacing:.12em;
}
.pill-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:#334155;
  font-weight:900;
  box-shadow:0 8px 22px rgba(31,24,74,.08);
  white-space:nowrap;
}
.demo-switcher-body{
  padding:30px;
  background:linear-gradient(90deg,rgba(255,255,255,.42),transparent 16%,transparent 84%,rgba(255,255,255,.42)),#DFE7F1;
}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--soft-shadow)}
.info-card strong{display:block;color:var(--ink);font-size:18px;margin-bottom:8px}
.info-card p{margin:0;color:var(--muted);font-weight:700}
.section-block{
  margin-top:28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:32px;
  padding:30px;
  box-shadow:var(--soft-shadow);
}
.demo-section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:20px;
}
.demo-section-head h2{
  margin:6px 0 0;
  font-size:clamp(25px,3vw,38px);
}
.demo-section-head p{
  margin:0;
  max-width:430px;
  color:var(--muted);
  font-weight:800;
}
.scenario-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.scenario-card{
  border:1px solid var(--line);
  border-radius:24px;
  background:linear-gradient(145deg,#fff,#F8FAFF);
  padding:22px;
}
.scenario-card span{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  background:linear-gradient(90deg,var(--purple-soft),var(--blue-soft));
  color:var(--purple-dark);
  padding:5px 10px;
  font-size:12px;
  font-weight:900;
}
.scenario-card p{
  margin:12px 0 0;
  color:#4E5566;
  font-weight:800;
  line-height:1.8;
}
.setup-panel{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(320px,1.1fr);
  gap:22px;
  align-items:center;
  margin-top:28px;
  border-radius:32px;
  padding:30px;
  background:linear-gradient(135deg,#181B2A,#28224E);
  color:#fff;
  box-shadow:var(--shadow);
}
.setup-panel h2{color:#fff;margin:6px 0 12px;font-size:clamp(25px,3vw,38px)}
.setup-panel p{margin:0;color:#E2E6F2;font-weight:700;line-height:1.85}
.setup-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.setup-list li{
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  background:rgba(255,255,255,.08);
  padding:14px 16px;
  color:#fff;
  font-weight:900;
}
.demo-conversion{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  margin-top:28px;
  border:1px solid #D8CCFF;
  border-radius:32px;
  background:linear-gradient(145deg,#fff,#F5F1FF);
  padding:30px;
  box-shadow:var(--soft-shadow);
}
.demo-conversion h2{
  margin:6px 0 10px;
  font-size:clamp(24px,3vw,36px);
}
.demo-conversion p{
  margin:0;
  color:var(--muted);
  font-weight:800;
}
.demo-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0}
.demo-nav a{display:flex;align-items:center;min-height:54px;border:1px solid var(--line);border-radius:16px;background:#fff;color:#343744;font-size:17px;font-weight:900;padding:0 16px;box-shadow:0 8px 18px rgba(31,24,74,.05)}
.demo-nav a.is-current{background:linear-gradient(90deg,var(--purple-soft),var(--blue-soft));color:var(--purple-dark);border-color:#D8CCFF}
@media(max-width:860px){
  .demo-shell{padding:24px 0 48px}
  .demo-hero-grid,.campaign-story,.setup-panel,.capability-grid{grid-template-columns:1fr}
  .demo-hero-shot img{max-height:300px}
  .demo-switcher-head{min-height:0;align-items:flex-start;flex-direction:column;padding:24px}
  .demo-switcher-body{padding:24px}
  .demo-section-head,.demo-conversion{align-items:flex-start;flex-direction:column}
  .scenario-grid{grid-template-columns:1fr}
  .setup-list{grid-template-columns:1fr}
  .info-grid,.demo-nav{grid-template-columns:1fr}
  .section-block,.setup-panel,.demo-conversion{padding:24px}
}
@media(max-width:520px){
  .demo-shell .hero{padding:26px 22px}
  .demo-hero-shot{border-radius:24px}
}