:root { font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; color: #1d2421; background: #eef2ef; }
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; display: grid; place-items: center; background: radial-gradient(circle at 10% 0,#fff 0,transparent 31%),#eef2ef; }
.login-shell { width: min(1060px, calc(100% - 40px)); min-height: 630px; display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; border-radius: 26px; background: #fff; box-shadow: 0 30px 90px rgba(24,38,30,.14); }
.login-intro { padding: 50px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; background: #17251f; color: #fff; }
.login-intro::before { content: ""; position: absolute; width: 420px; height: 420px; right: -180px; bottom: -170px; border: 70px solid rgba(229,0,20,.18); border-radius: 50%; }
.intro-brand,.mobile-brand { display: flex; align-items: center; gap: 11px; font-weight: 750; font-size: 18px; }
.intro-brand span,.mobile-brand span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: #e50014; color: #fff; }
.eyebrow { margin: 0 0 12px; color: #e50014; font-size: 11px; font-weight: 800; letter-spacing: .17em; }
.login-intro h1 { margin: 0; font-size: 46px; line-height: 1.3; letter-spacing: -.04em; }.login-intro p:not(.eyebrow) { max-width: 380px; margin: 20px 0 0; color: #aebbb5; line-height: 1.8; font-size: 14px; }
.login-intro small { color: #75837d; }.login-card { padding: 70px; display: grid; align-items: center; }.mobile-brand { display: none; }
.login-card h2 { margin: 0; font-size: 30px; }.subheading { margin: 9px 0 35px; color: #89918d; font-size: 14px; }
label { margin-bottom: 20px; display: block; color: #5e6763; font-size: 13px; font-weight: 650; }
input { width: 100%; height: 48px; margin-top: 9px; padding: 0 14px; border: 1px solid #dce2df; border-radius: 10px; outline: none; background: #fafcfb; font: inherit; }
input:focus { border-color: #e50014; box-shadow: 0 0 0 3px rgba(229,0,20,.08); background: #fff; }.password-field { position: relative; }.password-field input { padding-right: 62px; }
.password-field button { position: absolute; right: 9px; top: 16px; height: 34px; border: 0; background: transparent; color: #8a928e; cursor: pointer; }
.login-button { width: 100%; height: 48px; padding: 0 17px; display: flex; justify-content: space-between; align-items: center; border: 0; border-radius: 11px; background: #e50014; color: #fff; font: inherit; font-weight: 700; box-shadow: 0 12px 26px rgba(229,0,20,.2); cursor: pointer; }
.login-button:disabled { opacity: .55; }.login-message { min-height: 18px; margin: 12px 0 0; color: #c41225; font-size: 12px; }
@media(max-width:760px){body{display:block;background:#fff}.login-shell{width:100%;min-height:100vh;display:block;border-radius:0;box-shadow:none}.login-intro{display:none}.login-card{min-height:100vh;padding:32px max(24px,8vw)}.mobile-brand{display:flex;margin-bottom:80px}.login-card h2{font-size:28px}}