:root{font-family:"Microsoft YaHei","Segoe UI",sans-serif;color:#18322f;background:#f1f6f4}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at top,#cfeee4,transparent 65%)}.login-card{width:min(440px,100%);padding:36px;background:#fff;border:1px solid #dce9e3;border-radius:24px;box-shadow:0 20px 60px #153b2912;text-align:center}.brand{font-size:24px;font-weight:800;color:#12352d;text-decoration:none}.eyebrow{font-size:12px;color:#568576;margin:22px 0 10px}h1{font-size:26px;margin:10px 0}p{font-size:14px;line-height:1.75;color:#62766f}#qr{display:block;width:224px;max-width:100%;height:auto;margin:20px auto 0;border:1px solid #e1ebe6;border-radius:12px}button{display:block;width:100%;padding:14px;border:0;border-radius:10px;background:#17654f;color:white;font:inherit;font-weight:600;cursor:pointer;margin:18px 0}button:disabled{opacity:.6;cursor:wait}a{color:#2e7864}#message{min-height:25px}.hint{font-size:12px;border-top:1px solid #eaf0ed;padding-top:18px;margin-top:22px}[hidden]{display:none!important}@media(max-width:420px){.login-card{padding:28px 22px}body{padding:18px}}