:root { color-scheme: light; font-family: "Segoe UI", "Microsoft YaHei", sans-serif; color: #17243b; }
* { box-sizing: border-box; }
body { margin: 0; }
.page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 8% 10%, #dce7ff 0, transparent 32%), radial-gradient(circle at 90% 92%, #e9e4ff 0, transparent 35%), #f6f8fc; }
.card { width: min(100%, 420px); padding: 42px; border: 1px solid #e0e7f3; border-radius: 22px; background: #fff; box-shadow: 0 24px 70px #243a711c; }
.mark { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 15px; color: #fff; font-size: 23px; font-weight: 800; background: linear-gradient(135deg, #3467ec, #764de6); box-shadow: 0 10px 22px #335ee83b; }
.eyebrow { margin: 28px 0 7px; color: #506bc1; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
h1 { margin: 0; font-size: 30px; letter-spacing: -.035em; }
.description { margin: 10px 0 0; color: #6d7c94; font-size: 13px; line-height: 1.7; }
form { margin-top: 28px; }
label { display: block; margin-bottom: 9px; font-size: 13px; font-weight: 650; }
input { width: 100%; height: 44px; padding: 0 13px; border: 1px solid #d9e1ed; border-radius: 10px; outline: none; font: inherit; }
input:focus { border-color: #6e8af2; box-shadow: 0 0 0 3px #dbe4ff; }
button { width: 100%; min-height: 44px; margin-top: 20px; border: 1px solid #315ee7; border-radius: 10px; background: #315ee7; color: #fff; font: 650 14px/1 "Segoe UI", "Microsoft YaHei", sans-serif; cursor: pointer; }
button:hover:not(:disabled) { background: #2149c3; }
button:disabled { opacity: .65; cursor: wait; }
.error { min-height: 18px; margin: 12px 0 0; color: #ce4f58; font-size: 12px; }