.pc-shell{max-width:1080px;margin:auto;padding:40px 24px;font-family:system-ui,sans-serif;color:#edf1fc;background:#111827;min-height:100vh;box-sizing:border-box}.pc-shell a{color:#a7d8ff}.pc-shell h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.08;letter-spacing:-.035em}.pc-shell h2{margin-top:32px;font-size:1.3rem}.pc-shell p{line-height:1.65;max-width:70ch}.pc-shell input,.pc-shell textarea{background:#1e293b;border:1px solid #526075;border-radius:12px;padding:14px;color:#fff;font:inherit;max-width:100%}.pc-shell button{border:1px solid #6581a5;border-radius:12px;padding:12px 18px;color:#fff;background:#243d60;font:inherit;cursor:pointer;max-width:100%}.pc-shell button:disabled{opacity:.55;cursor:default}.pc-shell :focus-visible{outline:3px solid #8ee9ec;outline-offset:3px}.pc-shell article,.pc-shell details,.pc-shell section{padding:18px;border:1px solid #40516b;border-radius:16px;margin-block:16px;overflow-wrap:anywhere}.pc-shell dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:16px}.pc-shell dd{margin:8px 0;font-size:1.4rem}.pc-shell nav{display:flex;flex-wrap:wrap;gap:12px;align-items:center}@media (max-width:390px){.pc-shell{padding:24px 16px}}