h1 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 15px
}
.page-desc {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px;
    color: #555;
    line-height: 1.7
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px
}
.category-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 22px rgba(0,0,0,.08);
    transition: .3s
}
.category-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 28px rgba(0,0,0,.12)
}
.category-thumb {
    width: 100%;
    height: 180px;
    object-fit: cover
}
.category-content {
    padding: 18px
}
.category-content h2 {
    font-size: 20px;
    margin: 0 0 10px
}
.category-content h2 a {
    text-decoration: none;
    color: #111
}
.category-content p {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    min-height: 48px
}
.category-meta {
    margin-top: 12px;
    font-size: 13px;
    color: #777
}
.view-btn {
    display: block;
    margin-top: 14px;
    padding: 10px 14px;
    background: #4c6ef5;
    color: #fff;
    text-align: center;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px
}
.view-btn:hover {
    background: #3b5bdb
}