.container {
    background-color: #fff;
    margin: 0 auto 30px auto;
    width: 95%;

    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
main {
    padding: 20px;
}
.index {
    padding: 20px;
    margin-top: 20px;
}
.main-item .title {
    padding: 20px;
    text-align: center;
}
.blog {
    border-top: 1px solid #ccc;
    padding: 20px;
    cursor: default;
    display: flex;
    justify-content: center;
    transition: background-color 0.5s ease;
}
.main-item .blog:last-of-type {
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}
.blog:hover {
    background-color: #eee;
}
.title {
    font-size: 28px;
}
.content {
    width: 500px;
    margin-right: 20px;
}
.blog-title {
    font-size: 23px;
    font-weight: bold;
}
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 5px 0;
}
.tag {
    background-color: #ddd;
    color: #333;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.5s;
    cursor: pointer;
    transform: scale(1);
}

.tag:hover {
    background-color: #aaa;
    color: #000;
    transform: scale(1.1);
}
.summary {
    font-size: 18px;
    color: #333;
}
.date {
    display: flex;
    align-items: center;
    margin-top: 5px;
}
.svg-icon {
    width: 18px;
    height: 18px;
    margin-right: 6px;
}
.date span {
    font-size: 16px;
    color: #666;
    margin-top: 5px;
}
.main-text {
    margin-top: 10px;
}
.main-text p {
    line-height: 1.6;
    font-size: 18px;
}
.blog picture {
    display: flex;
    align-items: center;
}
.thumbnail {
    width: 224px;
    height: 140px;
    object-fit: cover;
    border-radius: 23px;
}
.main-content a {
    color: #20699e;
    transition: color 0.3s ease;
}
.main-content a:visited {
    color: #20699e;
}
.main-content a:hover {
    color: #123c5a;
}
@media (max-width: 768px) {
    .main {
        margin-top: 20px;
    }
    .content {
        width: 100%;
        margin: 0 0 20px 0;
    }
    .tag {
        font-size: 16px;
    }
    .date {
        position: static;
        margin-top: 10px;
    }
    .blog {
        flex-direction: column;
    }
    picture {
        display: flex;
        justify-content: center;
    }
}