:root{font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#15213a;background:#f4f7fb;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}.private-shell{min-height:100vh;display:grid;place-items:center;padding:32px 20px;background:radial-gradient(circle at 20% 10%,rgba(78,109,229,.13),transparent 32%),radial-gradient(circle at 85% 85%,rgba(63,181,134,.11),transparent 34%),#f4f7fb}.private-card{width:min(100%,620px);padding:52px 48px;border:1px solid rgba(110,128,166,.18);border-radius:28px;background:#fffffff0;box-shadow:0 24px 70px #25385e1f;text-align:center}.brand-mark{width:70px;height:70px;margin:0 auto 24px;display:grid;place-items:center;border-radius:20px;color:#fff;background:linear-gradient(145deg,#4f68df,#3151d3);box-shadow:0 12px 28px #3d56d23d}.eyebrow{margin:0 0 10px;color:#4460d8;font-size:12px;font-weight:800;letter-spacing:.2em}h1{margin:0;font-size:clamp(28px,5vw,40px);line-height:1.2}.summary{margin:22px auto 0;max-width:500px;color:#65728b;font-size:16px;line-height:1.85}.notice{margin-top:30px;display:flex;align-items:flex-start;gap:10px;padding:15px 16px;border:1px solid #dfe6f7;border-radius:14px;color:#52617f;background:#f7f9fe;font-size:14px;line-height:1.6;text-align:left}.notice svg{flex:0 0 auto;margin-top:2px;color:#4460d8}@media(max-width:560px){.private-card{padding:38px 24px;border-radius:22px}}