* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: text
}
html {

  color: #000;
  font-size: 12px
}
body, ul, ol, dl, dd, h1, h2, h3, h4, h5, h6, figure, form, fieldset, legend, input, textarea, button, p, blockquote, th, td, pre, xmp {
  margin: 0;
  padding: 0
}
body.l{background: url(../images/bg.jpg) no-repeat;background-size: 100%;}
body.bc{background: url(../images/bg_con.jpg) no-repeat;background-size: 100%;}

h1, h2, h3, h4, h5, h6, small, big, input, textarea, button, select {
  font-size: 100%
}
h1, h2, h3, h4, h5, h6, b, strong {
  font-weight: normal
}
address, cite, dfn, em, i, optgroup, var {
  font-style: normal
}
table {
  border-collapse: collapse;
  border-spacing: 0;
  text-align: left
}
caption, th {
  text-align: inherit
}
ul, ol, menu {
  list-style: none
}
fieldset, img {
  border: 0
}
article, aside, footer, header, section, nav, figure, figcaption, hgroup, details, menu {
  display: block
}
audio, canvas, video {
  display: inline-block;
  *display: inline;
  *zoom: 1
}
textarea {
  overflow: auto;
  resize: vertical;
  resize: none
}
input, textarea, button, select, a {
  outline: 0 none;
  border: none
}
button::-moz-focus-inner, input::-moz-focus-inner {
  padding: 0;
  border: 0
}
mark {
  background-color: transparent
}
a, ins, s, u, del {
  text-decoration: none
}
sup, sub {
  vertical-align: baseline
}
html {
  overflow-x: hidden;
  height: 100%;
  -webkit-tap-highlight-color: transparent;
  font-size: 8px
}
body {
    font-family: "PingFangSC", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #333;
    -webkit-text-size-adjust: none;
    font-size: 2em;
    background-color: #191919;
}
a {
  color: #333;
  text-decoration: none
}
a, button, input {
  -webkit-tap-highlight-color: transparent
}
body * {
  -webkit-text-size-adjust: 100%;
}
button, input, textarea {
  -webkit-appearance: none
}
img {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.btn_ri{position: absolute;top: 880px;right: 120px;}
.btn_le{position: absolute;top: 880px;left: 120px;}
.btn_ri a, .btn_le a{display: block;}
.btn_ri a img, .btn_le a img{display: block;width: 1200px;height: 480px;}
.marqueeleft{width: 3600px;margin: 0 120px;overflow-x: scroll;position: relative;z-index: 1;overflow-y: hidden;}
.marqueeleft .line{width: 49680px;height: 3px;background: rgba(6,40,53,0.75);position: absolute;top: 196px;}
.wid{width: 50400px;height: 376px;display: flex;margin: 4px 0;}
ul.mul{display: flex;flex-wrap: wrap;}
ul.mul li{width: 280px;height: 376px;margin: 0 40px;}
ul.mul li:nth-child(odd) a{display: block;position: relative;top: 196px;}
ul.mul li:nth-child(even) a{display: block;position: relative;top: 12px;}
ul.mul li:nth-child(odd) a .b_li{width: 10px;height: 48px;background: rgba(6,40,53,0.75);border-radius: 10px;margin: 0 auto 8px;}
ul.mul li:nth-child(even) a .b_li{width: 10px;height: 48px;background: rgba(6,40,53,0.75);border-radius: 10px;margin: 8px auto 0;}
ul.mul li a .year{width: 280px;height: 128px;font-family: cai;font-size: 96px;color: rgba(6,40,53,0.75);line-height: 108px;text-align: center;}
ul.mul li a .hover{background: url(../images/wireframe.png) no-repeat;color: rgba(6,40,53,1);background-size: 280px 128px;}
a.return{display: block;position: fixed;bottom: 500px;left: 120px;width: 120px;height: 120px;z-index: 99;background: rgba(6,40,53,0.6);border-radius: 100%}
a.return img{width: 60px;height: 54px;display: block;text-align: center;margin: 32px 30px;}
@font-face{font-family: cai;src:url(../fonts/672-CAI978.ttf);}
.swiper-box{margin: 96px 120px 0;width: 2960px;height: 1666px;}
.pic_page{position: absolute;z-index: 100;right: 40px;bottom: 40px;font-size: 36px;color: #FF5909;font-weight: bold;}
img{width: 100%;max-height: 100%;object-fit: cover;}
.view{position: relative;}
.view .swiper-container{width: 100%;height: 1666px;position: relative;}
.view .arrow-left{position: absolute;left: 0;top: 50%;margin-top: -50px;width: 56px;height: 100px;background: url('../images/arrow_l.png') no-repeat center;background-size: 100%;z-index: 10}
.view .arrow-right{position: absolute;right: 0;top: 50%;margin-top: -50px;width: 56px;height: 100px;background: url('../images/arrow_r.png') no-repeat center;z-index: 10;}
.view .swiper-slide div{width: 100%;height: 100%;background-position: center;background-repeat: no-repeat;background-size: cover;}
.preview{width: 520px;position: absolute;top: 96px;right: 120px;}
.preview .botn{overflow: hidden;bottom: 0;height: 1666px;}
.preview .men{position: absolute;top: -160px;left: 80px;width: 120px;height: 120px;text-align: center;line-height: 120px;background: rgba(0,0,0,0.4);border-radius: 100%;z-index: 99;}
.preview .men a{display: block;}
.preview .men a img{width: 72px;margin: 24px auto;}
.preview .swiper-container{margin-top: 80px;margin-bottom: 80px;width: 520px;height: 1506px;}
.preview .swiper-slide{width: 496px;height: 300px;padding: 0 12px;cursor: pointer;overflow: hidden;}
.preview .swiper-slide img{width: 492px;height: 276px;margin: 12px auto;border: 4px solid #edeef5;}
.preview .arrow-left{background-size: 100% 100%;position: absolute;top: 0;left: 12px;width: 492px;height: 80px;background: rgba(6,40,53,0.6);text-align: center;z-index: 10;}
.preview .arrow-left span{display: inline-block;width: 36px;height: 24px;background: url('../images/arrow_l@1x.png') no-repeat center;background-size: 100% 100%;margin-top: 32px;}
.preview .arrow-right{position: absolute;bottom: 0;left: 12px;width: 496px;height: 80px;background: rgba(6,40,53,0.6);text-align: center;z-index: 10;}
.preview .arrow-right span{display: inline-block;width: 36px;height: 24px;background: url('../images/arrow_r@1x.png') no-repeat center;background-size: 100% 100%;margin-top: 32px;}
.preview .active-nav img{padding: 0;border-color: #ff2121;opacity: .9;}

@media screen and (max-width: 1920px){
.btn_ri{top: 440px;right: 60px;}
.btn_le{top: 440px;left: 60px;}
.btn_ri a img, .btn_le a img{width: 600px;height: 240px;}
.marqueeleft{width: 1800px;margin: 0 60px;}
.marqueeleft .line{width: 24840px;height: 3px;top: 98px;}
.wid{width: 25200px;height: 188px;margin: 2px 0;}
ul.mul li{width: 140px;height: 188px;margin: 0 20px;}
ul.mul li:nth-child(odd) a{top: 98px;}
ul.mul li:nth-child(even) a{top: 6px;}
ul.mul li:nth-child(odd) a .b_li{width: 5px;height: 24px;margin: 0 auto 4px;}
ul.mul li:nth-child(even) a .b_li{width: 5px;height: 24px;margin: 4px auto 0;}
ul.mul li a .year{width: 140px;height: 64px;font-size: 48px;line-height: 54px;}
ul.mul li a .hover{background-size: 140px 64px;}
a.return{bottom: 200px;left: 62px;width: 60px;height: 60px;}
a.return img{width: 30px;height: 27px;margin: 16px 15px;}
.swiper-box{margin: 48px 60px 0;width: 1480px;height: 833px;}
.pic_page{right: 20px;bottom: 20px;font-size: 18px;}
.view .swiper-container{height: 833px;}
.view .arrow-left{margin-top: -25px;width: 28px;height: 50px;}
.view .arrow-right{margin-top: -25px;width: 28px;height: 50px;}
.preview{width: 260px;top: 48px;right: 60px;}
.preview .botn{height: 833px;}
.preview .men{top: -80px;left: 40px;width: 60px;height: 60px;line-height: 60px;}
.preview .men a img{width: 36px;margin: 12px auto;}
.preview .swiper-container{margin-top: 40px;margin-bottom: 40px;width: 260px;height: 753px;}
.preview .swiper-slide{width: 248px;height: 150px;padding: 0 6px;}
.preview .swiper-slide img{width: 246px;height: 138px;margin: 6px auto;}
.preview .arrow-left{left: 6px;width: 248px;height: 40px;}
.preview .arrow-left span{width: 18px;height: 12px;margin-top: 16px;}
.preview .arrow-right{left: 6px;width: 248px;height: 40px;}
.preview .arrow-right span{width: 18px;height: 12px;margin-top: 16px;}
}