/* 导航   start */

.back{
    width: 100%;
    height: 1080px;;
    position: relative;
    background-image: url("../images/background.jpg") ;
    background-repeat: no-repeat;
    overflow: hidden;
}

.back .nav{
    width: 800px;
    height: 60px;
    line-height: 40px;
    background-color: #fff;
    font-size: 12px;
    position: absolute;
    top: 600px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 10px;
}



.back .nav-frame a{
    width: 150px;
    height: 50px;
    background-color: #fff;
    float: left;
    margin: 5px 25px;
    text-align: center;
    color: #000;
    font-size: 16px;
    font-weight: 1000;
    line-height: 50px;
    display: block;
    float: left;
    border-radius: 10px;
}

.back .nav-frame a:hover{
    color: #fff;
    background-color: #2d40a0;
}

/* 导航   end */

/* 文本   start */
.top-logo{
    height: 90px;
    width: 100%;

}

.top-logo img{
    height: 50px;
    float: right;
    position: absolute;
    top: 30px;
    right: 30px;
}

.text>.text-logo{
    width: 220px;
    position: absolute;
    top: 250px;
    left: 50%;
    transform: translateX(-50%);
}

.text-logo img{
    width: 220px;
}

.text>.text-desc{
    color: #fff;
    font-size: 17px;
    position: absolute;
    top: 370px;
    left: 50%;
    transform: translateX(-50%);
}


/* 文本   end */

/* 搜索栏   start */

.search input{
    width: 500px;
    height: 40px;
    position: absolute;
    top: 450px;
    left: 528px;
    border: 0;
    border-radius: 50px 0 0 50px;
}

.search button{
    width: 100px;
    height: 40px;
    position: absolute;
    top: 450px;
    left: 1028px;
    border: none;
    border-radius: 0 50px 50px 0;
}

.search button:hover{
    background-color: #2d40a0;
    color: #fff;
}
/* 搜索栏   end */

/* 首页白色导航   start */
.white-nav{
    width: 100%;
    height: 80px;
    background-color: #fff;
    position: relative;
    box-sizing: border-box;
}

.nav-logo img{
    width: 90px;
    float: left;
    position: absolute;
    top: 13px;
    left: 20px;
    transition: all 0.2 linear;
}

.wrap{
    width: 1226px;
    margin: 0 auto;
}

.white-nav .white-nav-right{
    float: right;
    height: 40px;
}

.white-nav .white-nav-right>a{
    font-size: 14px;
}

.white-nav a{
    color: #000;
    font-size: 16px;
    float: left;    
    margin: 0 60px;
    box-sizing: border-box;
    padding: 30px 25px;
    padding-bottom: 20px;
}

.options a:hover{
    padding-bottom: 18px;
    border-bottom: 2px solid #2d40a0;
}

.nav-logo img:hover{
    transform: translateY(-2px);
}
/* .white-nav span{
    color: #b0b0b0;
    margin: 20px 0;
    float: left;
} */

.white-nav li:first-child{
    margin-left: 150px;
}

.white-nav .white-nav-right{
    margin-right: 50px;
}

.white-nav-right .nav-search input{
    width: 280px;
    height: 40px;
    position: absolute;
    right: 350px;
    top: 20px;
    box-shadow: -15px 15px 30px rgba(16, 92, 179, 0.1);
    box-sizing: border-box;
    border-color: rgba(101, 125, 154, 0.374);
    border-width: 1px;
}

.white-nav-right .nav-search button{
    width: 70px;
    height: 40px;
    position: absolute;
    right: 280px;
    top: 20px;
    border: none;
    background-color: #b0b0b0;
}

/* 首页白色导航   end */



.wrap{
    width: 1200px;
    margin: 0 auto;
}


.banner .banner-img img{
    width: 100%;
    overflow: hidden;
    height: 400px;
    border: none;
}

/* 内容   start */
.content{
    width: 100%;
    background-color: #f1f1f1;
    overflow: hidden;
    padding: 4px 0 12px;
}
/* 内容   end */


/* 首页商品   start */

.goods{
    width: 100%;
    height: 720px;
}

/* .title{
    float: left;

} */

.title{
    width: 100%;
    margin: 30px 0;
    float: left;
}

.title a{
    font-size: 30px;
    color: #000;
    text-align: center;
}

.title a:hover{
    padding: 7px 15px;
    border-bottom: 4px solid #000;
}

.enter a{
    color: #333;
}

.goods-box{
    width: 100%;
    height: 614px;
}

.item{
    width: 286px;
    height: 300px;
    margin: 0 0 14px 14px;
    background-color: #fff;
    padding: 20px 0;
    box-sizing: border-box;
    float: left;
    transition: all 0.2s linear;
}



.item img{
    width: 190px;
    height: 170px;
    overflow: hidden;
    margin-bottom: 18px;
}

.item:hover{
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.item-name{
    width: 214px;
    height: 21px;
    color: #333;
    line-height: 21px;
    margin: 0 auto 2px;
}

.item-desc{
    width: 214px;
    height: 18px;
    color: #b0b0b0;
    font-size: 12px;
    line-height: 18px;
    margin: 0 auto 10px;
}

.item-price{
    color: #333;
    font-size: 16px;
}

/* 首页商品   end */

/* 首页活动    start*/

.active-box{
    width: 100%;
    height: 500px;
}

.active-content{
    width: 586px;
    height: 300px;
    float: left;
    margin: 0 0 14px 14px;
}

.active-content a{
    width: 586px;
    height: 300px;

}

.active-img{
    width: 586px;
    height: 300px;
    overflow: hidden;
    border-radius: 50px;
    margin-bottom: 18px;
    transition: all 0.2 linear;
}

.active-desc{
    color: #333;
    font-size: 18px;
    float: left;
    padding: 0 30px;
}



.active-img:hover{
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    transform: translateY(-2);
}

/* 首页活动   end */

/* 首页视频   start */

.video-box{
    width: 100%;
    height: 299px;
}

.video-box>div{
    width: 286px;
    height: 285px;
    background-color: #fff;
    float: left;
    margin-bottom: 14px;
    margin-left: 14px;
    transition: all 0.2s linear;
}

.video-box>div:last-child{
    margin-right: 0;
}

.video-box>div:hover{
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.video-img{
    width: 100%;
    height: 180px;
    margin-bottom: 28px;
    /* border: 2px solid #fff; */
    position: relative;
}

.video-img img{
    width: 100%;
    height: 190px;
    overflow: hidden;
}

.btn{
    width: 32px;
    height: 20px;
    border-radius: 12px;
    border: 2px solid #fff;
    position: absolute;
    left: 20px;
    bottom: 10px;
}

.sanjiao{
    width: 0;
    height: 0;
    border-left: 8px solid #fff;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    margin: 5px auto;
}

.video-name{
    width: 285px;
    height: 14px;
    color: #333;
    font-size: 14px;
    margin: 0 auto 6px;
}

.video-desc{
    width: 285px;
    height: 18px;
    margin: 1 auto;
    color: #b0b0b0;
    font-size: 12px;
}

.video-img:hover .btn{
    background-color: #ff6700;
    border-color: #ff6700;
}

/* 首页视频   end */

/* 电子书   start */
.book-box{
    float: left;
    margin: 0 150px;
}

.book-box a{
    font-size: 30px;
    color: #000;
    margin: 0 50px;
    padding: 7px 15px;
}

.book-box a:hover{

    border-bottom: 4px solid #000;
}

.book-box img{
    margin: 30px 0;
    width: 200px;
}
/* 电子书   end */

.temp{
    width: 100%;
    height: 15px;
    background-color: #2d40a0;
}

/* 商品页面  start */

/* .item-box{
    width: 1300px;
    height: auto;
    margin: 0 auto;
} */

.item-wrap{
    width: 1300px;
    margin: 0 auto;
}

.goods-in{
    width: 100%;
    height: 1075px;
}

.bottom-box{
    width: 340px;
    height: 100px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.bottom-nav{
    width: 100%;
    height: 50px;
    background-color: #fff;
    border-radius: 10px;
    position: relative;
}

.nav-switch{
    width: 100px;
    height: 30px;
    color: #333;
    border-radius: 10px;
    border-width: 100;
    border-color:#333;
    float: left;
    background-color: #fff;
}

.nav-num{
    width: 30px;
    height: 30px;
    color: #333;
    float: left;
    border-radius: 10px;
    margin: 5px 5px;
}

.bottom-nav a{
    margin: 10px 5px;
}

.bottom-nav a:hover{
    color: #2d40a0;
    border: 2px solid #2d40a0;
    box-sizing: border-box;
}
/* 商品页面end */

/* 视频页面   start */

.video-in{
    width: 296px;
    height: 285px;
    background-color: #fff;
    float: left;
    margin-bottom: 14px;
    margin-left: 14px;
    transition: all 0.2s linear;
}

.wrap-video{
    width: 1250px;
    margin: 0 auto;
}

.video-box1{
    width: 100%;
    height: 750px;
}
/* 视频页面   end */

/* 反馈页面   start */

.feedback-input{
    width: 100%;
    height: 200px;
}

.feedback p{
    color: #333;
    font-size: 15px;
    float: left;
    margin: 20px 14px;
}

.feedback button{
    width: 150px;
    height: 50px;
    background-color: #2d40a0;
    color: #fff;
    margin: 20px 14px;
    border-radius: 10px;
    border: none;
}


.search-box {
      margin: 50px;
    }


    button {
      padding: 6px 14px;
      cursor: pointer;
    }

    /* 提示弹窗样式 */
    .tip {
      display: none;
      position: fixed;
      top: 40%;
      left: 50%;
      transform: translate(-50%, -50%);
      background: rgba(0,0,0,0.75);
      color: #fff;
      padding: 16px 30px;
      border-radius: 8px;
      font-size: 16px;
    }
/* 反馈画面   end */


/* 关于页面   start */

.about h3{
    margin: 10px;

}

.about h4{
    margin: 10px;

}

.about p{
    margin: 10px;
}

.about-wrap{
    width: 800px;
    margin: 0 auto;
}

.about-img{
    width: 300px;
    
}

/* 关于页面   end */