:root { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: #0f172a; background: #f6f8ff; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.75; }
a { color: #4f46e5; }
.page { width: min(900px, calc(100% - 32px)); margin: auto; padding: 36px 0; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 34px; }
.mark { display: grid; width: 44px; height: 44px; place-items: center; border-radius: 15px; color: #fff; font-weight: 800; text-decoration: none; background: linear-gradient(135deg,#6366f1,#7c3aed); }
.brand small { display: block; color: #64748b; font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
nav { margin-left: auto; display: flex; gap: 15px; }
nav a { color: #64748b; font-size: 14px; font-weight: 650; text-decoration: none; }
.panel { padding: clamp(28px,6vw,56px); border-radius: 30px; background: #fff; box-shadow: 0 24px 60px rgba(99,102,241,.12); }
.eyebrow { margin: 0 0 10px; color: #4f46e5; font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(34px,7vw,56px); line-height: 1.08; letter-spacing: -.035em; }
.updated,.lede,footer { color: #64748b; }
.updated { margin: 12px 0 36px; font-size: 14px; }
.lede { max-width: 680px; font-size: 18px; }
.cards { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin-top: 34px; }
.card { padding: 20px; border: 1px solid #e2e8f0; border-radius: 18px; color: #0f172a; text-decoration: none; }
.card span { display: block; margin-top: 6px; color: #64748b; font-size: 14px; }
.content { color: #475569; }
.content h2 { margin: 38px 0 10px; color: #0f172a; font-size: 21px; line-height: 1.35; }
.content h3 { margin: 24px 0 6px; color: #0f172a; font-size: 17px; }
.content p { margin: 0 0 18px; }
.note { margin-top: 34px; padding: 16px 18px; border: 1px solid #c7d2fe; border-radius: 16px; color: #3730a3; background: #eef2ff; }
footer { padding: 24px 4px 0; font-size: 14px; }
@media(max-width:640px){.page{width:min(100% - 20px,900px);padding-top:18px}.brand{margin-bottom:22px}.cards{grid-template-columns:1fr}nav{gap:9px}}