.system-outdated-notice {
    background: #E6E9E9;
    border-left: 4px solid #00affa;
    padding: 20px;
    margin: 20px 0 30px 0;
    max-width: 600px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.system-outdated-content {
    color: #333;
}

.system-outdated-title {
    margin: 0 0 12px 0;
    font-size: 20px;
    font-weight: bold;
    color: #00affa;
}

.system-outdated-text {
    font-size: 15px;
    line-height: 1.6;
    margin: 0 0 15px 0;
    color: #555;
}

.system-outdated-link {
    display: inline-block;
    padding: 10px 25px;
    background: #00affa;
    color: #fff;
    text-decoration: none;
}

.system-outdated-close {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
    padding: 5px 15px;
}

.system-outdated-notice {
    position: relative;
}