:root{color-scheme:light;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#203e52;background:#171e32}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:32px;background:radial-gradient(ellipse at 15% 20%,#21485755,transparent 45%),#171e32}.login-card{width:min(460px,100%);background:#f7f1e4;border-top:5px solid #c8a86a;border-radius:16px;padding:42px;box-shadow:0 24px 80px #0004}.brand-note{font-size:13px;letter-spacing:2px;color:#826a43}h1{font-size:26px;font-weight:600;margin:16px 0 12px}p{line-height:1.8;font-size:14px;color:#667986}form{display:grid;gap:10px;margin:28px 0 8px}label{font-size:14px;font-weight:600}input{font:inherit;border:1px solid #d4cab7;border-radius:8px;padding:12px;background:#fffdfa;width:100%;margin-bottom:8px}input:focus{outline:3px solid #23819544;border-color:#238195}button{font:inherit;font-weight:600;color:#203e52;background:#dec596;border:0;border-radius:8px;padding:14px;cursor:pointer;margin-top:6px}button:hover{background:#d3b67e}button:disabled{opacity:.6;cursor:wait}#login-message{min-height:24px;margin:0;color:#a44940}small{font-size:12px;color:#84909a;line-height:1.8}@media(max-width:500px){.login-card{padding:28px}body{padding:20px}}