/* 全局背景 */
body.login-body {
    background-color: #f8f9fa;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 20px 10px;
}

/* 卡片容器 */
.main-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    background-color: #fff;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

/* 头部：梧桐绿 */
.card-header {
    background-color: #2E7D32;
    color: white;
    padding: 24px 16px;
    border-bottom: none;
    text-align: center;
}

.card-header h4 {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1.25rem;
}

/* 服务名称提示条 */
.service-banner {
    background-color: #e8f5e9;
    color: #2e7d32;
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
}

/* 输入框 */
.form-control {
    font-size: 16px;
}

.form-control:focus {
    border-color: #2E7D32;
    box-shadow: 0 0 0 0.25rem rgba(46, 125, 50, 0.25);
}

/* 登录按钮 */
.btn-primary-custom {
    background-color: #2E7D32;
    border-color: #2E7D32;
    color: white;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 1rem;
}

.btn-primary-custom:hover {
    background-color: #1B5E20;
    border-color: #1B5E20;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

/* 链接 */
a { color: #2E7D32; }
a:hover { color: #1B5E20; }

/* Footer */
.card-footer {
    font-size: 0.75rem;
}

/* Mobile responsive */
@media (max-width: 576px) {
    body.login-body {
        padding: 10px 5px;
        align-items: flex-start;
        padding-top: 30px;
    }
    .card-header {
        padding: 20px 12px;
    }
    .card-header h4 {
        font-size: 1.1rem;
    }
    .card-body {
        padding: 20px 16px !important;
    }
    .main-card {
        border-radius: 10px;
    }
}