* { box-sizing: border-box; }
body { margin: 0; background: #f3f7f7; color: #203e46; font-family: system-ui,"Microsoft YaHei",sans-serif; }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; max-width: 1180px; margin: auto; gap: 100px; padding: 64px 40px; }
.brand { display: flex; align-items: center; gap: 13px; margin-bottom: 90px; font-size: 16px; }
.brand b { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 12px; color: white; background: #147f79; }
.eyebrow { color: #6a8c88; font-size: 11px; letter-spacing: 2px; font-weight: 600; }
h1 { font-size: clamp(28px,3.5vw,42px); line-height: 1.6; font-weight: 500; margin: 18px 0; }
.login-intro p:not(.eyebrow) { color: #6e858c; font-size: 15px; line-height: 2.1; }
.steps { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 40px; font-size: 12px; color: #658880; }
.steps i { font-style: normal; color: #a0bab6; }
.login-card { padding: 40px; border: 1px solid #dce7e5; border-radius: 16px; background: white; box-shadow: 0 12px 45px #163e3a08; }
h2 { font-size: 24px; font-weight: 500; margin: 14px 0; }
.login-card>p { color: #758b90; line-height: 1.8; font-size: 13px; margin-bottom: 28px; }
label { display: grid; gap: 10px; font-size: 13px; margin-bottom: 21px; }
input { width: 100%; padding: 13px; border: 1px solid #d6e1df; border-radius: 7px; font: inherit; color: inherit; }
input:focus { outline: 2px solid #9dcdc5; outline-offset: 2px; }
button { width: 100%; min-height: 47px; margin-top: 7px; border: 0; border-radius: 7px; background: #147f79; color: white; font-size: 14px; cursor: pointer; }
button:disabled { opacity: .55; cursor: wait; }
[role=alert] { font-size: 13px; line-height: 1.7; color: #a34d3d; }
.login-card>small { display: block; margin-top: 24px; color: #8c9c9f; font-size: 11px; line-height: 1.8; }
@media(max-width:760px) { .login-shell { display: block; padding: 28px 20px; } .brand { margin-bottom: 34px; } h1 { font-size: 27px; } .steps { display: none; } .login-card { padding: 25px; margin-top: 30px; } input { font-size: 16px; } }
