:root{
  --bg:#eef6fa;
  --panel:#ffffff;
  --panel2:#f3f9fd;
  --ink:#123246;
  --muted:#516f81;
  --cyan:#0ea9cf;
  --violet:#6c84d8;
  --green:#25bca1;
  --line:rgba(14,169,207,.20);
  --line2:rgba(108,132,216,.18);
  --shadow:0 18px 55px rgba(18,50,70,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at top left,rgba(14,169,207,.10),transparent 28rem),radial-gradient(circle at top right,rgba(108,132,216,.08),transparent 34rem),linear-gradient(180deg,#f3f9fc,#edf5fa 48%,#e8f1f6);color:var(--ink);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}.page-shell{max-width:1480px;margin:0 auto;padding:34px 24px 56px}
.aurora-uhd{position:sticky;top:0;z-index:20;display:flex;flex-wrap:wrap;align-items:center;gap:.7rem 1rem;justify-content:center;margin:0 auto;padding:.8rem 20px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(244,250,253,.92));backdrop-filter:blur(14px);box-shadow:0 8px 28px rgba(18,50,70,.08)}
.uhd-brand{display:flex;align-items:center;gap:.75rem;min-width:260px}.brand-mark{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-family:Georgia,serif;font-size:28px;font-weight:900;color:#ffffff;background:linear-gradient(135deg,rgba(14,169,207,.80),rgba(108,132,216,.82));border:1px solid rgba(14,169,207,.32);box-shadow:0 8px 20px rgba(14,169,207,.16)}
.uhd-title{display:block;font-weight:950;letter-spacing:.105em;font-size:1rem;text-transform:uppercase}.uhd-sub{display:block;margin-top:.15rem;color:var(--muted);font-size:.68rem;letter-spacing:.11em;text-transform:uppercase}.uhd-search{flex:0 1 360px;display:flex;margin:0}.uhd-search input{width:100%;border:1px solid rgba(14,169,207,.22);border-radius:12px;background:rgba(255,255,255,.92);color:var(--ink);padding:.56rem .85rem;font:inherit;outline:none}.uhd-search input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(24,229,255,.13)}
.uhd-contact-btn,.nav-pill{display:inline-block;border:1px solid rgba(14,169,207,.28);background:rgba(14,169,207,.08);color:var(--ink);border-radius:12px;padding:.56rem .8rem;font-weight:850;font-size:.82rem;white-space:nowrap}.uhd-contact-btn:hover,.nav-pill:hover{border-color:var(--cyan);background:rgba(14,169,207,.14);color:var(--ink)}.uhd-nav{flex:1 1 100%;display:flex;flex-wrap:wrap;gap:.45rem;justify-content:center;align-items:center;margin-top:.2rem}.uhd-nav .is-active{border-color:var(--cyan);background:rgba(14,169,207,.14);color:var(--cyan)}
.breadcrumb{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin:0 0 18px}.breadcrumb a{color:#c9f8ff}.breadcrumb span{opacity:.72}.hero{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,rgba(255,255,255,.98),rgba(243,249,253,.98));box-shadow:var(--shadow);display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.95fr);gap:32px;align-items:center;padding:44px}.hero:before{content:"";position:absolute;inset:-1px;background:radial-gradient(circle at 28% 10%,rgba(14,169,207,.10),transparent 28rem),radial-gradient(circle at 80% 55%,rgba(108,132,216,.08),transparent 26rem);pointer-events:none}.hero>*{position:relative}.kicker{margin:0 0 14px;color:var(--cyan);letter-spacing:.34em;text-transform:uppercase;font-size:.78rem;font-weight:950}.hero h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(3rem,6vw,6.8rem);line-height:.92;margin:0 0 22px;letter-spacing:-.055em}.hero h1 .accent{color:var(--cyan);text-shadow:0 0 30px rgba(24,229,255,.25)}.lead{font-size:clamp(1.05rem,1.6vw,1.32rem);color:#35586a;max-width:900px}.hero-visual{width:100%;border-radius:22px;border:1px solid rgba(14,169,207,.18);box-shadow:0 10px 32px rgba(18,50,70,.12);background:#f4fbff;display:block}.tag-row{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:22px}.tag-row span{border:1px solid rgba(14,169,207,.22);background:rgba(14,169,207,.07);color:#2c5568;border-radius:999px;padding:.5rem .78rem;font-size:.86rem;font-weight:800}.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:28px}.button{display:inline-flex;align-items:center;gap:.45rem;border:1px solid rgba(14,169,207,.32);background:linear-gradient(135deg,rgba(14,169,207,.12),rgba(108,132,216,.10));color:var(--ink);border-radius:14px;padding:.8rem 1rem;font-weight:950;letter-spacing:.02em}.button.secondary{background:rgba(255,255,255,.74);border-color:rgba(108,132,216,.26)}.button:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(14,169,207,.14)}
section.block{margin-top:34px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.section-head h2,.block h2{font-family:Georgia,'Times New Roman',serif;font-size:clamp(2rem,3.3vw,3.25rem);line-height:1;margin:0 0 8px}.section-head p,.block > p{color:var(--muted);max-width:900px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.system-stack{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.panel,.stack-card,.step,.folder-card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(244,250,253,.98));border-radius:20px;box-shadow:0 10px 28px rgba(18,50,70,.08)}.stack-card{padding:22px}.stack-card b{display:block;color:var(--cyan);letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;margin-bottom:8px}.stack-card h3{margin:0 0 10px;font-size:1.35rem;color:var(--ink)}.stack-card p{margin:0;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;counter-reset:step}.step{position:relative;padding:24px 22px 22px;overflow:hidden}.step:before{counter-increment:step;content:counter(step);position:absolute;right:18px;top:8px;font-size:4.2rem;font-weight:950;color:rgba(24,229,255,.12);line-height:1}.step h3{margin:0 0 8px;color:var(--ink)}.step p{margin:0;color:var(--muted)}
.folder-card{display:flex;flex-direction:column;overflow:hidden;min-height:100%;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.folder-card:hover{transform:translateY(-4px);border-color:rgba(24,229,255,.78);box-shadow:0 20px 58px rgba(0,0,0,.32),0 0 28px rgba(24,229,255,.12)}.folder-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;border-bottom:1px solid var(--line);background:#eef7fc}.folder-body{padding:21px}.mini{color:var(--cyan);letter-spacing:.20em;text-transform:uppercase;font-size:.72rem;font-weight:950}.folder-body h3{font-family:Georgia,'Times New Roman',serif;font-size:1.72rem;line-height:1.05;margin:9px 0 10px}.folder-body p{margin:0;color:var(--muted)}.open{display:inline-flex;margin-top:16px;color:var(--ink);font-weight:950}.open:after{content:" →";color:var(--cyan)}
.panel{padding:24px}.panel h3{margin:0 0 8px;color:var(--ink)}.panel p{margin:0;color:var(--muted)}.warning{border-color:rgba(249,214,107,.45);background:linear-gradient(135deg,rgba(249,214,107,.12),rgba(255,255,255,.98))}.warning .mini{color:#f9d66b}.subhero{grid-template-columns:minmax(0,1fr) minmax(330px,.70fr)}.subpage-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px;margin-top:30px}.side-nav{position:sticky;top:135px;align-self:start;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.94);padding:16px}.side-nav h3{margin:0 0 10px;font-size:1rem;color:var(--ink)}.side-nav a{display:block;border:1px solid rgba(126,239,255,.16);border-radius:12px;padding:.58rem .7rem;margin:.38rem 0;color:var(--muted);font-weight:800}.side-nav a:hover,.side-nav a.current{color:var(--cyan);border-color:rgba(24,229,255,.55);background:rgba(24,229,255,.08)}.detail-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.detail-list .panel{min-height:150px}.footer{border-top:1px solid var(--line);padding:28px 24px;color:var(--muted);text-align:center;background:rgba(255,255,255,.92)}.footer a{color:var(--ink);font-weight:800}.right{display:inline-block;margin-left:16px;color:#7fb9d2}.small-note{font-size:.92rem;color:#8fbfd6}.asset-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.asset-card{border:1px dashed rgba(14,169,207,.26);border-radius:16px;padding:18px;background:rgba(255,255,255,.72)}.asset-card b{color:var(--ink)}.asset-card p{color:var(--muted);margin:.35rem 0 0}.search-results{display:none;position:absolute;top:100%;left:0;right:0;background:#ffffff;border:1px solid var(--line);border-radius:14px;margin-top:6px;padding:8px;box-shadow:var(--shadow)}
@media(max-width:1050px){.hero,.subhero{grid-template-columns:1fr}.grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.system-stack{grid-template-columns:repeat(2,minmax(0,1fr))}.subpage-layout{grid-template-columns:1fr}.side-nav{position:relative;top:auto}.asset-row{grid-template-columns:1fr}.hero{padding:30px}.uhd-search{order:10;flex:1 1 100%;max-width:none}}
@media(max-width:680px){.page-shell{padding:22px 14px 44px}.aurora-uhd{align-items:stretch;justify-content:flex-start}.uhd-brand{min-width:0}.uhd-nav{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.hero{border-radius:20px;padding:22px}.kicker{letter-spacing:.16em}.grid,.steps,.system-stack,.detail-list{grid-template-columns:1fr}.hero h1{font-size:3.1rem}.section-head{display:block}.right{display:block;margin:8px 0 0}.brand-mark{width:42px;height:42px}.uhd-title{font-size:.9rem}.uhd-sub{font-size:.6rem}}

.uhd-brand-logo{width:46px;height:46px;object-fit:contain;display:block;flex:0 0 46px}
@media(max-width:680px){.uhd-brand-logo{width:42px;height:42px;flex-basis:42px}}