:root{font-family:PingFang SC,Microsoft YaHei,sans-serif;color:#17202b;background:#eef3f8}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}.brand{color:#fff;font-size:18px;font-weight:600;letter-spacing:.03em;padding:20px 24px}.page-card{background:#fff;border-radius:16px;padding:24px;box-shadow:0 14px 32px #16223314}.page-title{font-size:24px;font-weight:700;margin:0 0 8px}.page-subtitle{margin:0 0 24px;color:#5f6b7a}