/* 顶级按钮 */
.top-buttons {
    margin-bottom: 20px;
    display: flex;
}
        
.top-btn {
   padding: 10px 0;
    font-size: 20px;
    background-color: #E6E7E9;
    color: white;
    border: none;
    cursor: pointer;
    margin: 0 auto;
    width: 50%;
    text-align: center;
}

/* 激活的按钮 */
.top-btn.active {
    background-color: #D1D2D4;
}
        
.top-btn:hover {
    background-color: #ddd;
}
        
/* 下级按钮 */
.sub-buttons {
    margin-bottom: 20px;
    display: flex;
}
        
/*.sub-btn {*/
/*    padding: 10px 0px;*/
/*    font-size: 20px;*/
    /*background-color: #28a745;*/
/*    color: #000;*/
/*    border: none;*/
/*    cursor: pointer;*/
/*    margin: 0 auto;*/
/*    text-align: center;*/
/*}*/


.sub-btn {
    width: 50%;
    padding: 10px 20px;
    font-size: 20px;
    color: #000;
    border: none;
    cursor: pointer;
}

.sub-btn:hover {
    background-color: #ddd;
}

/* 激活的下级按钮 */
.sub-btn.active {
    /*background-color: #218838;*/
    color: #77CBC7;
}
.sub-btn.active span {
    /*background-color: #218838;*/
    border-bottom: 2px solid #77CBC7;
}
.sub-btn:hover {
    /*background-color: #218838;*/
}
        
/* 内容展示区域 */
.exhibition-content {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    max-width: 100%;
    margin-top: 20px;
    padding: 20px;
    border-radius: 5px;
    font-size: 18px;
    color: #333;
    background-color: white;
    /*box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);*/
}
.exhibition-content-warp {
    width: 100%;
    overflow: hidden;
}

.exhibition-content-ul {
    display: flex;
    gap: 200px;
    /*width: max-content;*/
    width: 100%;
    transition: transform 0.5s ease-in-out;
}
.exhibition-item {
    flex: 0 0 calc((100% - 200px) / 2);
    width: 50%;
    display: flex;
    justify-content: start;
    padding: 30px 15px;
    border-radius: 10px;
    background: #F2F3F4;
}
.r-img-box {
    width: 30%;
    margin-right: 2em;
}
.r-img-box img {
    width: 100%;
}
.l-txt-content {
    
}
.exhibition-tit {font-weight: bold;}
.exhibition-start, .exhibition-end, .exhibition-address, .exhibition-pos {
    font-size: 16px;
}
.text-size span {
    display: inline-block;
    width: 100px;
    margin-right: 5em;
}
.exhibition-end {}
.exhibition-address {}
.exhibition-pos {}
.l-txt-content .more-btn {
    display: inline-block;
    width: 60px;
    line-height: 32px;
    border-radius: 5px;
    text-align: center;
    background: #77CBC7;
    font-size: 16px;
    margin-top: 15px;
}
.left-arrow-exhibition, .right-arrow-exhibition {
    background: none;
    border: 2px solid #77CBC7;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 18px;
    color: #77CBC7;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    transition: background-color 0.3s, color 0.3s;
    text-align: center;
    line-height: 35px;
}
.left-arrow-exhibition {
    left: -45px;
    margin-right: 5px;
}
.right-arrow-exhibition {
    right: -45px;
    margin-left: 5px;
}





.exhibition-content-warp {
    display: flex;
    overflow: hidden;
    transition: transform 0.3s ease;
}