body{
    background: #5a8cc6;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    color: #fff;
}
.announcement-wrapper{
    display:flex;
    flex-direction:column;
    align-items:center;
    padding:80px 20px;
}
.announcement-card{
    max-width:1000px;
    width:100%;
    background:#02275c;
    border-radius:16px;
    padding:40px;
    box-shadow:0 20px 40px rgba(0,0,0,0.6);
    border:1px solid rgba(255,255,255,0.1);
    transition:0.3s ease;
}
.announcement-card:hover{
    transform:translateY(-5px);
    box-shadow:0 25px 50px rgba(0,0,0,0.7);
}
.announcement-header{
    text-align:center;
    margin-bottom:30px;
    position:relative;
}
.announcement-header h2{
    font-size:28px;
    letter-spacing:1px;
    font-weight:600;
}

.announcement-header::after{
    content:"";
    width:80px;
    height:3px;
    background:white;
    display:block;
    margin:12px auto 0;
    border-radius:5px;
}
.announcement-content{
    font-size:17px;
    line-height:1.8;
    color:#f2f2f2;
    text-align:justify;
}
.announcement-content a {
    font-weight: bold !important;
    color: #4fc3ff !important;
    text-decoration: underline;
}
.announcement-content a:hover {
    color: #fff !important;
    text-decoration: underline;
}
.empty-message{
    text-align:center;
    opacity:0.8;
    font-style:italic;
}
.back-btn-wrapper{
    width:100%;
    max-width:1000px;
    margin-top:20px;
}
.btn-link {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #02275c;
    color: #ffffff;
    text-decoration: none;
    border-radius: 12px;
    font-weight: bold;
    transition: background-color 0.2s ease;    
}
.btn-link:hover {
    transform:translateY(-5px);
    box-shadow:0 25px 50px rgba(0,0,0,0.7);
}
@media (max-width:768px){
    .announcement-wrapper{
        padding:50px 15px;
    }
    .announcement-card{
        padding:30px 25px;
    }
    .announcement-header h2{
        font-size:24px;
    }
    .announcement-content{
        font-size:16px;
    }
}