:root{--bg: #f1f5f9;--surface: rgba(255, 255, 255, .82);--surface-strong: rgba(255, 255, 255, .95);--line: rgba(21, 25, 34, .12);--text: #132034;--muted: #4f5f75;--accent: #0f766e;--accent-strong: #0e9f6e;--accent-shadow: rgba(15, 118, 110, .22);--radius: 18px}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:radial-gradient(circle at 10% 5%,#d7efff 0%,transparent 48%),radial-gradient(circle at 85% 15%,#d7f7d8 0%,transparent 42%),linear-gradient(160deg,#eef4f8,#edf3f2);color:var(--text);font-family:IBM Plex Sans KR,Apple SD Gothic Neo,Malgun Gothic,sans-serif;line-height:1.5}.background-aurora{position:fixed;inset:-20%;background:conic-gradient(from 140deg at 30% 45%,#22d3ee24,#2dd4bf26,#93c5fd29,#22d3ee24);filter:blur(60px);z-index:-1;animation:float-bg 16s ease-in-out infinite alternate}.page{width:min(1040px,calc(100% - 2.4rem));margin:0 auto;padding:4.5rem 0 4rem}.hero{background:var(--surface-strong);border:1px solid var(--line);border-radius:calc(var(--radius) + 8px);box-shadow:0 20px 55px #0f172a14;padding:clamp(1.6rem,3vw,2.5rem);margin-bottom:1.2rem}.eyebrow{margin:0;font-size:.85rem;letter-spacing:.08em;color:var(--accent);font-weight:700;text-transform:uppercase}h1,h2{font-family:Space Grotesk,Avenir Next,sans-serif;letter-spacing:-.02em;margin:0}h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.02;margin-top:.6rem}.hero-copy{margin:.9rem 0 1.4rem;max-width:62ch;color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem}.btn{border:1px solid transparent;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:600;text-decoration:none;padding:.7rem 1rem;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease}.btn:focus-visible{outline:2px solid rgba(15,118,110,.35);outline-offset:2px}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(130deg,var(--accent),var(--accent-strong));color:#fff;box-shadow:0 10px 24px var(--accent-shadow)}.btn-ghost{background:#fff9;color:var(--text);border-color:var(--line)}.status{margin:.9rem 0 0;color:var(--muted);font-size:.95rem}.content-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:1rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 30px #0f172a0d;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:clamp(1rem,2.2vw,1.4rem)}.card h2{margin-bottom:.95rem;font-size:1.18rem}.content-grid .card:nth-child(1){grid-column:span 6}.content-grid .card:nth-child(2){grid-column:span 3}.content-grid .card:nth-child(3){grid-column:span 3}.release-card{margin-top:1rem}.meta-list{list-style:none;margin:0;padding:0}.meta-list li{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.46rem 0;border-bottom:1px dashed rgba(21,25,34,.14)}.meta-list li:last-child{border-bottom:0}.meta-list span{color:var(--muted);font-size:.95rem}.meta-list strong{font-size:.95rem;text-align:right}.checksum{margin-top:1rem;display:grid;gap:.55rem}.checksum p{margin:0;color:var(--muted);font-size:.95rem}code{border:1px solid rgba(15,23,42,.1);background:#0f172a0a;border-radius:10px;padding:.55rem .65rem;font-size:.85rem;overflow-wrap:anywhere}.steps{margin:0;padding-left:1rem;color:var(--muted);display:grid;gap:.5rem}.muted{color:var(--muted)}.text-link{width:fit-content;color:#0f3f8f;text-decoration-thickness:1px;text-underline-offset:2px}#release-notes{margin:0;background:#ffffffa6;border:1px solid rgba(15,23,42,.09);border-radius:12px;padding:.9rem;color:#1f2937;font-family:SF Mono,Menlo,Consolas,monospace;font-size:.84rem;white-space:pre-wrap}.hidden{display:none}.reveal{opacity:0;transform:translateY(18px);animation:reveal-up .52s ease forwards}.delay-1{animation-delay:80ms}.delay-2{animation-delay:.16s}.delay-3{animation-delay:.24s}@keyframes reveal-up{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes float-bg{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(-2%,2%,0) scale(1.03)}}@media(max-width:920px){.content-grid .card:nth-child(1),.content-grid .card:nth-child(2),.content-grid .card:nth-child(3){grid-column:span 12}}@media(max-width:560px){.page{width:min(100%,calc(100% - 1.2rem));padding-top:3rem}.btn{width:100%}}