/* 登录页样式 - 品牌色：主蓝 #1B5E8A / 米色 #F8E5B3 */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    min-height: 100vh;
}

.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 20% 20%, rgba(248, 229, 179, 0.5), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(27, 94, 138, 0.18), transparent 45%),
        linear-gradient(160deg, #144A6E, #1B5E8A 55%, #25699a);
}

.login-card {
    width: 400px;
    background: #fff;
    border-radius: 16px;
    padding: 40px 38px 34px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    border-top: 6px solid #F8E5B3;
}

.login-logo { text-align: center; margin-bottom: 28px; }
.logo-mark {
    width: 64px; height: 64px;
    margin: 0 auto 14px;
    background: linear-gradient(135deg, #F8E5B3, #E8C979);
    color: #144A6E;
    font-size: 30px;
    font-weight: 700;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-logo h1 { font-size: 22px; color: #1B5E8A; }
.school-name { color: #7f8c8d; font-size: 13px; margin-top: 6px; }

.form-item { margin-bottom: 18px; }
.form-item label {
    display: block;
    font-size: 13px;
    color: #7f8c8d;
    margin-bottom: 6px;
}
.form-item input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e5e8ec;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}
.form-item input:focus {
    border-color: #1B5E8A;
    box-shadow: 0 0 0 3px rgba(27, 94, 138, 0.12);
}

.btn-login {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #1B5E8A, #25699a);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    letter-spacing: 6px;
    transition: all 0.2s;
}
.btn-login:hover { background: linear-gradient(135deg, #144A6E, #1B5E8A); box-shadow: 0 6px 16px rgba(27,94,138,0.35); }

.login-msg { margin-top: 14px; text-align: center; font-size: 13px; min-height: 18px; }