/*====== Swiper 专用 ======*/
.banner-swiper{position:relative;width:100%;}
.mySwiper{width:100%;height:auto;} /*高度按原banner图比例调*/
.mySwiper .swiper-slide img{width:100%;height:100%;object-fit:cover;}

/* 让箭头/分页颜色更醒目（可删） */
.swiper-button-prev,
.swiper-button-next{color:rgba(0,0,0,0.5);}
.swiper-pagination-bullet{background:#fff;opacity:.6;}
.swiper-pagination-bullet-active{opacity:1;}
/* 内容区域样式 */
.content-section {
    padding: 80px 0;
}

.content-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 55px;
    align-items: flex-start;
}

.text-content {
    flex: 1;
    min-width: 300px;
}

.text-content h2 {
    font-size: 32px;
    line-height:40px;
    color: #000;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

.text-content p {
    margin-top: 15px;
    text-align: justify;
    color:#757575;
    font-size:16px;
    line-height:30px;
}

.video-content {
    flex: 0 0 55%;
    min-width: 300px;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 比例 */
    height: 0;
    overflow: hidden;
    border-radius:20px;
    border:4px solid #ffffff;
    overflow:hidden;
}

.video-wrapper video{width:100%;}
.video_this::-webkit-media-controls{display:none !important;}  
.videoplay{display:block;width:100%;height:100%;text-indent:-99999px;background:url(../images/icon_video.png) no-repeat center center/60px auto;position:absolute;left:0;top:0;border:none;z-index:33;}
.videoclose{display:block;width:100%;height:100%;text-indent:-99999px;background:none; position:absolute;left:0;top:0;border:none;z-index:33;display:none;}
/* 新增版块样式 */
.section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 15px 0 30px;
    text-align: center;
}

.section-title h2 {
    font-size: 36px;
    color: #757575;
    margin: 0 20px;
    white-space: nowrap;
}

.section-title .line {
    flex: 0 0 80px;
    height: 3px;
    background-color: #757575;
}
/* 东吴大学优势样式 */
.advantages-section {
    background-color: #f6f6f6;
    padding: 60px 0;
    /*max-width:1270px;*/
    margin:auto;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.advantage-item {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    transition: transform 0.3s;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon img {
    max-width: 70px;
    max-height: 70px;
}

.advantage-item h3 {
    font-size: 24px;
    color: #757575;
    line-height:36px;
}

/* 多元文化探索样式 */
.culture-section {
    padding: 80px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.culture-item {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.culture-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.culture-item:hover img {
    transform: scale(1.1);
}

.culture-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 15px;
    text-align: center;
}

.culture-title h3 {
    font-size: 20px;
    font-weight:normal;
    margin: 0;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .videoplay{
        background:none;
    }
    .content-section{
        padding:30px 0;
    }
    .text-content h2{
        font-size:24px;
        line-height:32px;
        margin-bottom:0;
    }
    .text-content p{
        margin-top:10px;
    }
    .banner-content h1 {
        font-size: 2rem;
    }
    
    .content-wrapper {
        flex-direction: column;
    }
    
    .text-content, .video-content {
        width: 100%;
    }

    .advantages-grid,
    .culture-grid {
        grid-template-columns: 1fr 1fr;
    }
    .advantage-item h3{
        font-size:18px;
        line-height:28px;
    }
    .advantages-grid,.culture-grid{
        gap: 10px;
    }
    .culture-title h3{
        font-size:18px;
    }
    .section-title h2 {
        font-size: 24px;
    }
    .mySwiper{
        height:200px;
    }
    .swiper-button-next:after, .swiper-button-prev:after{
        font-size:24px
    }
}