.oa-home{box-sizing:border-box;color:#e8eef5;min-height:100vh;font-family:var(--font-atlas), "IBM Plex Sans", system-ui, sans-serif;background:#0f1c2e;flex-direction:column;justify-content:center;align-items:center;gap:28px;padding:24px 16px;display:flex}.oa-logo{font-weight:inherit;background:linear-gradient(160deg,#1d3d63 0%,#10294a 60%,#0c203b 100%);border:1px solid #2f5a8a;border-radius:12px;align-items:center;gap:18px;margin:0;padding:14px 18px 14px 24px;display:inline-flex;box-shadow:0 10px 40px #1278e62e,inset 0 1px #ffffff14}.oa-logo-text{flex-direction:column;line-height:1;display:flex}.oa-logo-name{letter-spacing:.3px;color:#fff;font-size:44px;font-weight:700}.oa-logo-name span{background:linear-gradient(90deg,#4fc3ff,#2196f3);color:#0000;-webkit-background-clip:text;background-clip:text}.oa-logo-by{letter-spacing:.4px;color:#c9d6e6;margin-top:8px;font-size:14px;font-weight:600}.oa-logo-globe{flex:none}@media (max-width:480px){.oa-logo{gap:10px;padding:10px 12px 10px 16px}.oa-logo-name{font-size:30px}.oa-logo-by{font-size:11px}.oa-logo-globe{width:44px;height:44px}}.oa-choices{flex-wrap:wrap;justify-content:center;gap:16px;width:100%;max-width:720px;display:flex}.oa-card{color:inherit;background:#16283f;border:1px solid #2c4463;border-radius:8px;flex-direction:column;flex:260px;gap:8px;padding:22px 20px;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.oa-card:hover,.oa-card:focus-visible{background:#1b3150;border-color:#f2b134;outline:none}.oa-name{font-size:22px;font-weight:600}.oa-desc{color:#b7c4d3;font-size:14px;line-height:1.4}.oa-sign{color:#7d8ea3;margin:0;font-size:12px}