/* 登录页：以收银数据流为主题，保证表单区域的可读性。 */
.login-body{position:relative;isolation:isolate;display:flex;align-items:center;justify-content:center;min-height:100vh;margin:0;padding:24px;overflow:hidden;background:#062033 url("/images/login-tech-background.png") center/cover no-repeat}
.login-body::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(3,21,33,.34),rgba(3,21,33,.08) 50%,rgba(3,21,33,.34))}
.login-card{width:min(340px,90vw);background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.6);border-radius:7px;padding:26px 24px;display:flex;flex-direction:column;gap:12px;box-shadow:0 20px 60px rgba(1,19,29,.36),0 2px 12px rgba(1,19,29,.18);backdrop-filter:blur(8px)}
.login-field input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(22,168,154,.12)}
@media(max-width:760px){.login-body{padding:16px;background-position:center}.login-card{padding:24px 20px}.login-brand>span:last-child{font-size:14px}}