@charset "utf-8";
    body,ul,li,div{ 
    padding: 0;
    margin: 0;
     }
li{
    list-style-type: none;
}
a{
    text-decoration: none;
    font-family: "微软雅黑"; 
}
a:hover{
    color: red;
}
input,img{
    border: none;
}
.clear{
    clear: both;
    height: 10px;
    width: 100px;
}
body{
    font-family: "微软雅黑"; 
}
p,h1,h2,h3,h4,h5,h6{
    padding: 0;
    margin:0;
}
/*
background-size: cover; 视觉差
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center center; 


 img{ 放大
    transition: all 1s;
}
 img:hover{
    transform: scale(1.4);
}
.divw{  布局居中  
        width: 100%;
        height: 500px;
        border:1px solid red;
        justify-content:sflex-start 所有元素居左
        justify-content:sflex-end   所有元素居右
        justify-content:scenter     所有元素居中
        justify-content:space-between    所有元素两遍对齐
        justify-content:space-around     所有元素两遍留白 这五个元素只要一个就可以
        align-items:center;               水平居中
        display:-webkit-flex;             适应各种浏览器
        flex-direction: row;              可以换行
        flex-wrap: wrap;                  可以换行    
    }
.divw::before   ::after{ 伪元素，一个前一个后
        content: "1";
        width: 100px;
        height: 100px;
        border:1px solid red;
        text-align: center;
        line-height: 100px;
    }

  
 {    视觉差效果
        background-attachment: fixed;
        background-size: cover;
        background-position: center center;
}



    @media  (min-width:1600px) and (max-width:9999px){

   } 响应式



   .divb{   鼠标经过动画 
        width:230px;        
        height:270px;      
        position:fixed;     
        top: 50%;
        left: 50%;
        margin-left: -115px;
        margin-top: -135px;
        transition:all 0.3s linear; 
        border: 1px solid red;
        -webkit-transition:all 0.3s linear; 
        z-index: 999;
        overflow: hidden;
    }
    .divb .divn{
        width: 230px;
        height: 100%;
        position:absolute; left:0px; top:0px;
        top:-270px; transition:all 0.2s ease; 
        -webkit-transition:all 0.2s ease;
        background: rgba(0,0,0,0.5);
    }
    .divb:hover .divn{
        display:block; top:0px;
    }
    
    span{ position:absolute;left:15px; bottom:32px;transition:all 1s; -webkit-transition:all 1s;}

    .divb .divn:hover span{ 
        animation: img4 0.8s linear infinite alternate; 
        -webkit-animation: img4 1s linear infinite alternate;
    }

    @keyframes img4 {0% { bottom:32px;} 100% { bottom:27px;}}

    @-webkit-keyframes img4 {0% { bottom:32px;} 100% { bottom:27px;}}
*/
@media  (min-width:1850px){
    
    .div1{
    margin: 0 auto;
    background: url(../image/bj-1.jpg) center center no-repeat;
    height:387px;
    position: relative;
}
.div2{
    margin: 0 auto;
    background: url(../image/bj-2.jpg) center center no-repeat;
    height:425px;
    position: relative;
}
.div3{
    margin: 0 auto;
    background: url(../image/bj-3.jpg) center center no-repeat;
    height:411px;
    position: relative;
}
.div4{
    margin: 0 auto;
    background: url(../image/bj-4.jpg) center center no-repeat;
    height:389px;
    position: relative;
}
    
}

@media (min-width:1600px) and (max-width:1849px){
    .div1 {
    margin: 0 auto;
    background: url(../image/bj-1.jpg) center center no-repeat;
    height: 319px;
    position: relative;
    background-size: 100%;
}
   .div2 {
    margin: 0 auto;
    background: url(../image/bj-2.jpg) center center no-repeat;
    height: 350px;
    position: relative;
    background-size: 100%;
} 
.div3 {
    margin: 0 auto;
    background: url(../image/bj-3.jpg) center center no-repeat;
    height: 339px;
    position: relative;
    background-size: 100%;
}
.div4 {
    margin: 0 auto;
    background: url(../image/bj-4.jpg) center center no-repeat;
    height: 320px;
    position: relative;
    background-size: 100%;
}
}
@media (min-width:1200px) and (max-width:1599px){
    .div1 {
    margin: 0 auto;
    background: url(../image/bj-1.jpg) center center no-repeat;
    height: 254px;
    position: relative;
    background-size: 100%;
}
   .div2 {
    margin: 0 auto;
    background: url(../image/bj-2.jpg) center center no-repeat;
    height: 279px;
    position: relative;
    background-size: 100%;
} 
.div3 {
    margin: 0 auto;
    background: url(../image/bj-3.jpg) center center no-repeat;
    height: 270px;
    position: relative;
    background-size: 100%;
}
.div4 {
    margin: 0 auto;
    background: url(../image/bj-4.jpg) center center no-repeat;
    height: 255px;
    position: relative;
    background-size: 100%;
}
}

.div5{
    margin: 0 auto;
    background: url(../image/bj-5.jpg) center center no-repeat;
    height:626px;
    position: relative;
}
.div6{
    margin: 0 auto;
    background: url(../image/bj-6.jpg) center center no-repeat;
    height:466px;
    position: relative;
}
.div7{
    margin: 0 auto;
    background: url(../image/bj-7.jpg) center center no-repeat;
    height:336px;
    position: relative;
}
.div8{
    margin: 0 auto;
    background: url(../image/bj-8.jpg) center center no-repeat;
    height:460px;
    position: relative;
}
.div9{
    margin: 0 auto;
    background: url(../image/bj-9.jpg) center center no-repeat;
    height:763px;
    position: relative;
}
.div10{
    margin: 0 auto;
    background: url(../image/bj-10.jpg) center center no-repeat;
    height:727px;
    position: relative;
}
.div11{
    margin: 0 auto;
    background: url(../image/bj-11.jpg) center center no-repeat;
    height:786px;
    position: relative;
}
.div4 a, .div5 a, .div8 a, .div9 a, .div11 a{
    display: inline-block;
    width: 100%;
    height: 100px;
    position: absolute;
    bottom: 40px;
}
.div10 a{
    display: inline-block;
    width: 100%;
    height: 100px;
    position: absolute;
    bottom: 0px;
}