/* 公告栏样式 */
.announcement {
    width: 100%;
    background-color: #fff;
    padding: 1rem;
    margin: 2rem auto;
    max-width: 1200px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    text-align: center;
    border-left: 4px solid #4CAF50;
}


/* 主容器 */
.container {
    max-width: 1200px;
    margin: 1rem auto;
    padding: 0 1rem;
    width: 100%;
}

.container h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: #2c3e50;
    position: relative;
}

.container h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #1e88e5, #4CAF50);
    margin: 0.5rem auto 0;
}

.article-content {
    line-height: 2rem;
    padding: 1rem 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-top: 4px solid #1e88e5;
}

.article-content img {
    display: block;
    max-width: 800px;
    height: auto;
    margin: 1rem auto;
    border-radius: 8px;
    box-shadow: 0 0px 10px rgba(0, 0, 0, 0.3);
}


@media (max-width: 768px) {
    .package-selection {
        grid-template-columns: 1fr;
    }

    .article-content img {
    max-width: 100%;
    }

    .container h2 {
    font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .package-card {
        padding: 1rem;
    }

    .container h2 {
    font-size: 1.2rem;
    }

    .announcement {
        padding: 0.8rem;
        font-size: 0.7rem;
    }
}