body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #eef2f3;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #2f3640;
    background:url(../img/login-background.jpg) no-repeat center fixed;
    -webkit-background-size:cover;
    -moz-background-size:cover;
    -o-background-size:cover;
    background-size:cover
}

.login-container {
    width: 380px;
    min-height: 300px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid #bdc3c7;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    /* 模拟背后的光晕效果 */
    background-image: radial-gradient(circle, rgba(178, 230, 227, 0.8) 0%, transparent 70%);
}

.header { display: flex; justify-content: space-between; font-size: 0.8em; margin-bottom: 40px; }

.login-box {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 80%;
    margin: 0 auto;
}

input {
    padding: 10px;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.9);
    box-sizing: border-box;
}

.login-box .row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}
.login-box .row > [class^="col-"] {
    flex: 1;
    padding: 0;
    width: auto;
}
.login-box .row input.code {
    width: 100%;
}
.login-box .row .imgcode {
    display: block;
    width: 100%;
    height: 38px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
}

.login-btn {
    padding: 10px;
    background: oklch(0.22 0.02 240);
    color: white;
    border-radius: 4px;
    cursor: pointer;
}

.forgot-password { font-size: 0.8em; color: #57606f; text-decoration: none; }

.footer { position: absolute; bottom: 20px; left: 20px; font-size: 0.7em; }
.legend span { margin-right: 15px; }