/* 基础样式 */


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

/* 文字溢出省略号 */
.text-ellipsis-1 {
  overflow: hidden;
  -webkit-line-clamp: 1;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}

.text-ellipsis-2 {
  overflow: hidden;
  -webkit-line-clamp: 2;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}

.text-ellipsis-3 {
  overflow: hidden;
  -webkit-line-clamp: 3;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}

.text-ellipsis-4 {
  overflow: hidden;
  -webkit-line-clamp: 4;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}

* {
  box-sizing: border-box;
}

html,
body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
p,
hr,
a,
em,
img,
strong,
b,
u,
i,
dl,
dt,
dd,
ol,
ul,
li,
form,
input,
button,
tr,
th,
td,
footer,
header,
nav {
  padding: 0;
  margin: 0;

  border: none;
  outline: none;
}

i,
em {
  font-style: normal;
}

ul,
ol {
  list-style: none;
}

a {
  /* display: inline-block; */
  color: #000;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.img-box {
  vertical-align: baseline;
}

img {
  display: block;
  width: 100%;
  height: auto;
}
.model{
  position: fixed;
  top:50%;
  left:50%;
  display: none;
  transform: translate(-50%,-50%);
  z-index: 1000;
  background: #fff;
}
.model .videoBox{
  padding:30px;
}
.model video{
  height:80vh;
}

@media screen and (max-width: 768px) {
  .model video {
    width:80vw !important;
    height:auto !important;
  }
}
.model .close{
  position: absolute;
  right: 5px;
  top: -5px;
  font-size: 35px;
  color: #000;
}
.model .close:hover{
  transform: scale(1.1);
  color: #000;
}
.mask{
  position: fixed;
  top:0;
  left:0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: none;
  z-index: 999;
}