:root{--bg: #eef2f6;--ink: #0f172a;--muted: #475569;--line: #d8e1eb;--surface: #ffffff;--accent: #0f172a}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{color:var(--ink);font-family:SF Pro Display,Segoe UI,Inter,sans-serif;background:radial-gradient(1100px 600px at -10% -20%,#dbeafe 0%,transparent 70%),radial-gradient(900px 600px at 120% -20%,#e2e8f0 0%,transparent 70%),linear-gradient(180deg,#f8fafc 0%,var(--bg) 100%);background-size:140% 140%;animation:bgShift 22s ease infinite}.page{max-width:1240px;margin:22px auto;border:1px solid #cfd8e3;border-radius:24px;background:#ffffffe6;box-shadow:0 24px 64px #0f172a24;overflow:hidden}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:#f8fafcf0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.08em}.brand img{width:30px;height:30px;border-radius:8px;object-fit:contain;border:1px solid var(--line)}.topbar nav{display:flex;flex-wrap:wrap;align-items:center;gap:14px}.topbar nav a{text-decoration:none;color:#334155;font-size:14px;font-weight:600}.starBtn{display:inline-flex;align-items:center;gap:8px;border:1px solid #c8d2de;border-radius:999px;padding:7px 12px;background:#fff}.starBtn:hover{background:#f8fafc}main{padding:30px}.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}.eyebrow{margin:0 0 10px;color:#1d4ed8;font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}h1{margin:0;font-size:clamp(2rem,4vw,2.9rem);line-height:1.1}.subhead{margin-top:14px;color:var(--muted);line-height:1.65;font-size:16px;max-width:72ch}.heroCard{border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fff,#f8fafc);padding:0;overflow:hidden}.heroCard img{width:100%;height:250px;object-fit:cover;display:block}.heroCard p{margin:0;font-weight:700}.heroCard ul{margin:12px 0 0;padding-left:18px;color:#334155;line-height:1.55}.actions{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}.btn{border-radius:12px;border:1px solid transparent;text-decoration:none;font-weight:700;font-size:14px;padding:10px 14px;transition:all .2s 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img{width:100%;max-height:420px;object-fit:cover;display:block}.card{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:16px}.card h3{margin:0 0 6px}.card p{margin:0;color:var(--muted);line-height:1.55}.downloadCard{display:grid;gap:12px}.assetGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.assetBtn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid #111827;background:#111827;color:#fff;border-radius:10px;font-size:13px;font-weight:700;min-height:38px;padding:8px 10px;transition:background .2s ease,transform .15s ease}.assetBtn:hover{background:#1f2937}.assetBtn:active{transform:translateY(1px)}.assetBtn:disabled{cursor:not-allowed;border-color:#94a3b8;background:#94a3b8;color:#e2e8f0}.assetGrid>:only-child{grid-column:1 / -1}.osHead{display:flex;align-items:center;gap:12px}.osHead p{margin-top:2px}.osIcon{width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;color:#0f172a;background:#e2e8f0}.osIcon svg{width:20px;height:20px}.faqList{margin-top:16px;display:grid;gap:10px}.releaseHint{margin-top:10px;color:#64748b;font-size:13px}.releaseHint a{color:#0f172a;font-weight:600}.faqList details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px}.faqList summary{cursor:pointer;font-weight:700}.faqList p{margin:10px 0 0;color:var(--muted)}footer{border-top:1px solid var(--line);background:#f8fafc;color:#475569;padding:14px;text-align:center}footer a{color:#0f172a}.guidePage h1{margin:0;font-size:clamp(2rem,4vw,2.6rem)}.guideLead{margin-top:10px;color:#475569}.guideGrid{margin-top:16px;display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}.guideCard{border:1px solid var(--line);border-radius:14px;background:#fff;padding:14px}.guideCard h2{font-size:1.15rem;margin-bottom:8px}.guideCard ol,.guideCard ul{margin:0;padding-left:18px;color:#475569;line-height:1.6}.guideCard.full{margin-top:12px}.guideNote{margin:10px 0 6px;color:#475569;font-size:13px}.guideCard pre{margin:0;border:1px solid #dbe3ed;border-radius:10px;background:#f8fafc;padding:10px;overflow:auto}.fadeUp{animation:fadeUp .6s ease both}.delay1{animation-delay:.12s}.delay2{animation-delay:.24s}.delay3{animation-delay:.36s}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes bgShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@media (prefers-reduced-motion: reduce){body,.fadeUp{animation:none}}@media (max-width: 980px){.page{margin:0;border-radius:0;border-left:0;border-right:0}.topbar{align-items:flex-start;flex-direction:column}.hero,.grid.three,.guideGrid{grid-template-columns:1fr}main{padding:20px}}