body{min-height:100vh;display:flex;flex-direction:column;background-image:radial-gradient(ellipse at 50% 30%,rgba(0,162,255,.08),transparent 65%)}.not-found{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;padding:40px 24px;text-align:center}.error-art{width:min(100%,820px);margin:0 auto}.error-art img{display:block;width:100%;height:auto}.not-found h1{margin:8px 0 12px;font-size:clamp(1.5rem, 5vw, 2rem);color:var(--文字色)}.not-found p{max-width:460px;color:var(--文字次色)}.error-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:32px}.error-actions a{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:12px;font-weight:600;text-decoration:none}.error-home{color:#fff;background:var(--主色)}.error-projects{color:var(--主色);border:1px solid rgba(0,162,255,.4)}.error-actions a:hover{filter:brightness(1.12)}.error-actions a:focus-visible{outline:2px solid var(--主色);outline-offset:4px}@media (max-width:480px){.error-actions{width:100%;max-width:320px;flex-direction:column}.not-found{padding:48px 22px}.error-art{width:calc(100% + 20px);margin-bottom:24px}.not-found h1{margin-top:0}}