.index-header{
    width: 100%;
    margin: 0 auto;
}

.index-header img{
    display: block;
    width:100%;
    height: auto;
}

.clickArea {
    position: absolute;
    bottom: 50%; /* 点击区域距离容器顶部的距离 */
    right: 18%; /* 点击区域距离容器左侧的距离 */
    width: 300px; /* 点击区域的宽度 */
    height: 60px; /* 点击区域的高度 */
    cursor: pointer;
}
.videoContainer {
    position: relative;
    width: 354px;
    height: 198px;
    margin-bottom: 20px;
}
.videoJiemo {
    width: 100%;
    height: 100%;
    display: block;
    cursor: pointer;
}
video::-webkit-media-controls-timeline {
    display: none;
}
.controls {
    position: absolute;
    bottom: 10px;
    left: 10px;
    display: flex;
    gap: 10px;
}
.controls button {
    padding: 5px 10px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    cursor: pointer;
}
.controls button:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

.overlay img{
    width:50px;
    height:50px;
}

.phone-index-header{width: 100%;margin: 0 auto;display: none}
.index-nav{ display: flex;text-align: center; width:100%;}
.index-nav ul{ display: flex;width: 1200px;margin: 0 auto; background:url("images/xian02.png") repeat-x;overflow: hidden;height: 83px;}
.index-nav ul li{list-style-type:none;width: 100%;width: 170px}
.index-nav ul li:nth-child(2){width: 270px;}
.index-nav ul li:nth-child(3){width: 330px;}
.index-nav ul li a{width: 100%; display: block; font-size: 20px;height: 83px;line-height: 83px;color: #111}
.hi-select-btn.hi-selected-full{color: #000;font-weight: bold;background: url("images/xian.jpg") repeat-x;opacity: 1;}
.test-down-area{width: 100%;margin: 0 auto;position: relative;top: -80px;z-index: -1;height: 1px}
/*介绍*/
.introduce{background: url("images/bg_01.png") no-repeat bottom right;height: 330px;}
.introduce p{font-size: 20px;line-height: 38px;color: #777;text-indent: 2rem;margin-top: 30px;}
/*AI 趋势分享*/
.share{width: 100%;background:url("images/bg_04.png") no-repeat left bottom ;padding: 30px 0;}
.title{position: relative}
.title h3{padding-top: 40px;text-align: center;}
.title h4{padding-top: 20px;text-align: center;font-size: 30px;color: #333}
.share-l{width: 730px; margin-top: 20px;float: left}
.share-r{width: 410px;background: url("images/bg_02.png") no-repeat;background-size: 100% 100%;padding: 30px 30px;float: right}
.share-r img{width: 100%}
.name{width: 165px;height: 30px;line-height: 30px;background: url("images/bg_03.jpg") no-repeat;margin-top: 20px;margin-bottom: 12px;margin-left: 5%}
.name em{font-size: 20px;display: inline-block;margin-left: 15px;}
.share-r p{font-size: 18px;line-height: 36px;margin-left: 5%}
/* 用于定位视频的样式 */
#video-container {
    position: relative;
    width: 730px; /* 视频宽度 */
    height: 414px; /* 视频高度 */
    cursor: pointer;
}
#video-container img{position: absolute;z-index: 2}
/* 视频播放器样式 */
video {
    width: 100%;
    height: 100%;position: absolute;;z-index: 0;
}
/*戴尔 AI PC 解决方案*/
.solution{background: url("images/bg_05.jpg") no-repeat;padding-bottom: 10%}
.tabBox .hd{ height:70px; line-height:70px; padding:0 10px; font-size:20px;position:relative;  }
.tabBox .hd ul{  height:70px; top:0; overflow:hidden; background:#f8fafb;opacity:0.9;margin-top: 5px; width: 80%}
.tabBox .hd ul li{ float:left; padding:0 25px; color:#666;  cursor: pointer}
.tabBox .hd ul .on{  background:url("images/xian03.png") repeat-x; }
.tabBox .hd ul .on a{ display:block; /* 修复Android 4.0.x 默认浏览器当前样色无效果bug */  }
.tabBox .bd>ul{display: none}
.tabBox .bd ul li{padding: 30px 0 0 20px;overflow: hidden}
.tabBox .bd p{font-size: 16px;line-height: 32px;color: #666;margin-top: 20px;text-align: justify;width: 98%;margin: 0 auto;text-indent: 2rem;}

.tabBox .bd dl{display: flex;margin-top: 20px;}
.tabBox .bd dl dd{width: 30%;margin-left: 3%}
.tabBox .bd dl dd h3{font-size: 16px;font-weight: normal;color: #666;margin-top: 10px;}
.tabBox .bd dl dt{width: 23.5%;margin-left: 2%;background: #fff;padding-bottom:10px;}
.tabBox .bd dl dt h4{font-size: 18px;padding: 10px;}
.tabBox .bd dl dt a{display: block;background: #e8f3f9;font-size: 14px;color: #666;line-height: 18px;padding: 15px 10px 0px 10px;min-height: 110px;}
.tabBox .bd dl dt a span{margin-bottom: 5px;display: block}
/*2024年“AI 金雁标杆”推荐*/
.recommendation{padding-bottom: 5%;background: url("images/bg_01.png") no-repeat bottom right}
.recommendation-menu ul{margin-top: 3%;}
.recommendation-menu ul li{width: 45%;background: url("images/bg_06.jpg")no-repeat;background-size: 100% 100%;text-align: center}
.recommendation-menu ul li h3{font-size: 22px;line-height: 40px;margin-top: 2%}
.recommendation-menu ul li p{font-size: 20px;line-height: 40px;}
.recommendation-list{margin-top: 3%;overflow: hidden}
.recommendation-list-l{width: 69%;box-shadow: 1px 1px 7px #c5e6f9;min-height: 404px;margin-top: 5px;margin-left: 1%;background: url("images/bg_07.jpg")no-repeat left top}
.recommendation-list-r{width: 30%}
.recommendation-list-txt{margin-left: 10%;width: 85%}
.recommendation-list-txt h3{font-size: 26px;margin-top: 7%}
.recommendation-list-txt p{font-size: 18px;line-height: 30px;color: #666;margin-top: 4%}
.recommendation-list-txt p span{font-weight: bold;display: inline-block;background: url("images/bg_09.png") no-repeat;background-size: 100% 100%;text-align: center;padding: 0 5px 0 8px;}
.recommendation-list-l02{width: 69%;box-shadow: 1px 1px 7px #c5e6f9;min-height: 368px;margin-top: 5px;margin-right: 1%;background: url("images/bg_08.jpg")no-repeat left top}
/*往届回顾*/
.tabBox2 .hd{ height:60px; line-height:60px; padding:0 10px; font-size:20px;position:relative;  top: 8px;z-index: 10;}
.tabBox2 .hd ul{  height:60px; top:0; width: 100%;overflow: hidden }
.tabBox2 .hd ul li{ float:left; padding:0 25px; color:#666;  cursor: pointer;margin: 5px 0 0 20px;font-weight: bold}
.tabBox2 .hd ul .on{;border-top-left-radius: 10px;box-shadow: 1px 1px 7px #c5e6f9;background: #fff;position: relative;top: 2px;height: 60px;}
.tabBox2 .hd ul .on a{ display:block; color: #1a66db;/* 修复Android 4.0.x 默认浏览器当前样色无效果bug */  }
.tabBox2 .bd>ul{display: none}
.tabBox2 .bd{margin-left: 5px;}
.tabBox2 .bd ul li{background: url("images/bg_10.jpg")no-repeat;background-size: 100% 100%;padding-bottom: 3%}
.tabBox2 .bd ul dl{display: flex;padding-top: 2.5% }
.tabBox2 .bd ul dl dd{width: 12%;margin-left: 4%;text-align: center}
.tabBox2 .bd ul dl dd h3{font-size: 18px;line-height: 32px;margin-top: 2%}
.tabBox2 .bd ul dl dd p{font-size: 15px;margin-top: 2%;}
.tabBox2 .bd ul li.li02{background: url("images/bg_11.jpg")no-repeat;background-size: 100% 100%;}
.li03 dl dd p{text-align: left}
/*组织结构*/
.structure-bg{background: url("images/bg_04.png") no-repeat top left}
.structure{text-align: center;padding-bottom: 2%}
.structure h3{font-size: 22px;color: #333;line-height: 40px;margin-top: 2.5%}
.structure p{font-size: 18px;color: #666}
/*评分标准*/
.score{background: url("images/bg_12.jpg") no-repeat;padding: 2% 0}
.score-l{width: 40%}
.score-l li{border-radius: 10px;background: #fff;line-height: 66px;height: 66px;box-shadow: 1px 1px 7px #c5e6f9;overflow: hidden;margin-top: 5%}
.score-l li em{display: inline-block;width: 66px;text-align: center;color: #fff;font-size: 20px;font-weight: bold;background: #bbeaff;font-style: normal}
.score-l li span{font-size: 20px;color: #666;text-indent: 10px;display: inline-block;}
.score-l li span:hover{color: #bbeaff;cursor: pointer}
.score-c{height: 250px;width: 1px;background: url("images/xian04.png") repeat-y;margin: 2% 0 0 5%}
.score-r{width: 50%}
.score-r h3{font-size: 20px;line-height: 40px;}
.score-r p{font-size: 20px;line-height: 28px;}
/*活动流程*/
.activity{background: url("images/bg_13.jpg") no-repeat;padding: 2% 0;background-size: 100% 100%;padding-bottom: 4%}
.activity-l{width: 70%}
.activity-l .title h4{text-align: left;color: #fff;}
.activity-l p{color: #fff;font-size: 22px;line-height: 32px;margin-top: 1.5%}
.activity-l span{display: block;font-size: 18px;color: #fff;line-height: 32px;}
.activity-r{margin-top: 2%}
.activity-r p{color: #fff;font-size: 22px;line-height: 50px;}
.activity-r img{margin-top: 20px;display: block}
@media screen and (max-width: 1000px) {
    .main{width:100%;margin: 0 auto;overflow: hidden;}
    .share-l{width: 100%; margin-top: 20px;clear: both;height: 414px;}
    .share-r{width: 95%;background: url("images/bg_02.png") no-repeat;background-size: 100% 100%;clear: both}
    #video-container {
        position: relative;
        width: 95%; /* 视频宽度 */
        height: 525px; /* 视频高度 */
        cursor: pointer;
        left: 2.25%;
    }
    .index-header{width: 100%;margin: 0 auto;display: none}
    .phone-index-header{width: 100%;margin: 0 auto;display: block}
    .introduce p{width: 90%;margin: 0 auto}
    .recommendation{width: 95%;margin: 0 auto}
    .tabBox .bd ul li{padding-left: 0;overflow: hidden}
    .score{}
    .score-l{width: 50%;margin-left: 2.5%}
    .score-c{margin: 2% 0 0 2%}
    .score-r{width: 40%;margin-right: 2.5%}
    .recommendation-list-txt p{font-size: 1.25rem}
    .recommendation-list-txt p span{font-size: 1.25rem}
    .activity-l{width: 67.5%;margin-left: 2.5%}
    .activity-r{margin-right: 2.5%}
    .share-r{margin-top:3%}
    .share-r img{width: 50%;float: left}
    .phone-name{width: 45%;float: right}
    .tabBox .hd ul{ width: 100%}
    .tabBox .bd p{width: 90%;text-align: justify;margin: 0 auto}
    .tabBox .bd dl dd{margin-left: 2.5%}
    .tabBox .bd dl dt{margin-right: 1.5%;width: 23%;    margin-left: 1.5%;}
    .clickArea {
        top: 20%; /* 点击区域距离容器顶部的距离 */right: 8%;}
    .videoContainer {width: 288px;
    }
    .tabBox .bd dl dt h4{font-size: 1.15rem;min-height:4rem;line-height: 1.25rem}
    .tabBox .bd dl dt a{font-size: 1rem;min-height: 160px;}

}