.top-img img{
    width: initial !important;
	max-width: 100% !important;
	margin: auto;
	/* border-radius: 10px; */
}
.bg{
	background: url('../images/sun-bg.png') no-repeat center center;
    background-color: #f2f2f2 !important;
    background-size: cover;
    width: 100%; /* 确保宽度为100% */
    box-sizing: border-box; /* 确保内外边距计算正确 */
	padding: 50px 0 100px 0;
}

.card-title .h2-title{
    color: #636363;
    /* margin-top: 30px; */
    font-size: 30px;
    width: 70%;
    
}

.title-line{
    width: 50px;
    height: 5px;
    background: linear-gradient(100deg, #F10E1E, #FF955E);
}
.pro-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    width: 100%;
    margin-top: 30px;
}

.pro-list::after {
    content: "";
    width: calc((100% - 80px) / 3);
}

.pro-list .pro-item {
    position: relative;
    width: calc((100% - 80px) / 3);
    display: block;
    /*display: flex;*/
    /*flex-direction: column;*/
    overflow: hidden;
    background-color: #fff;
    border-radius: 20px;
}

.pro-item img {
   border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    width: 100%;
    height: calc((75vw - 80px) / 3 * 0.6667); /* 调整为容器宽度的2/3 */
    object-fit: cover;
    object-position: center;
}

.pro-item .name{
    margin-top: 30px;
    margin-left: 10px;
    margin-right: 10px;
    color: #343434;
    font-size: 18px;
}
.pro-item .desc {
    margin: 10px;
    font-size: 15px;
    color: #9F9F9F;
    /* padding: 10px 0; */
    /* text-align: center; */
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 显示两行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis; /* 超出显示省略号 */
}
.pro-item .date {
    margin: 10px;
    /*position: absolute;*/
    /*bottom: 30px;*/
    /*left: 10px;*/
    font-size: 13px;
    color: #9F9F9F;
}

.pro-toggle-btn {
    margin: 40px auto; /* 上下间距和左右居中 */
    text-align: center;
    font-size: 16px;
    color: #F74337;
    cursor: pointer;
    padding: 5px 50px;
    border: 1px solid #F74337;
    border-radius: 20px;
    display: block; /* 确保按钮为块级元素 */
    width: fit-content; /* 根据内容自适应宽度 */
    transition: all 0.3s ease;
}

.pro-toggle-btn:hover {
    background-color: #F74337;
    color: #fff;
}
.about_lesson{
    min-height: 200px;
}