:root{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#eaf2ff;background:#030b20;color-scheme:dark}*{box-sizing:border-box}body{min-height:100vh;margin:0;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 50% 10%,#123c88 0,#071735 38%,#020817 78%)}.migration-card{width:min(560px,100%);padding:42px;border:1px solid #38bdf855;border-radius:30px;background:linear-gradient(145deg,#0a1c43ee,#06122fee);box-shadow:0 28px 80px #0009,0 0 52px #1687ff2e;text-align:center}.brand-logo{width:112px;height:112px;border-radius:25px;object-fit:contain;filter:drop-shadow(0 14px 22px #0008)}.eyebrow{margin:22px 0 8px;color:#5eead4;font-size:14px;font-weight:700;letter-spacing:.16em}.migration-card h1{margin:0;font-size:clamp(28px,6vw,42px);line-height:1.2}.summary{margin:20px auto 0;max-width:460px;color:#bac9e5;font-size:16px;line-height:1.8}.notice{margin:26px 0;padding:18px 20px;border:1px solid #30d5c844;border-radius:18px;background:#0a2643;text-align:left}.notice strong,.notice span{display:block}.notice strong{color:#6ee7d8;margin-bottom:7px}.notice span{color:#c9d7ed;line-height:1.65}.primary-action{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 28px;border-radius:14px;color:#031128;background:linear-gradient(135deg,#62f6d6,#53a4ff);font-weight:800;text-decoration:none;box-shadow:0 12px 28px #1687ff3d}.primary-action:hover{filter:brightness(1.08)}.footnote{margin:24px 0 0;color:#7f91b0;font-size:13px;line-height:1.6}@media(max-width:520px){.migration-card{padding:30px 22px;border-radius:24px}.brand-logo{width:92px;height:92px}}