@media screen and (min-width: 1920px) {
  .wrapper.w1600 {
    width: 1600px;
  }
}
img {
  transition: all 200ms;
}
/** 海报 **/
.poster {
  background: #C00 no-repeat fixed;
  background-size: 100% 100%;
  box-sizing: border-box;
  height: 910px;
  padding: 160px 0 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.poster .sub-title {
  font-size: 37px;
  font-family: PingFang SC;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.poster .tittle {
  margin-top: 26px;
  font-size: 51px;
  font-family: PingFang SC;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.poster .info {
  margin: 25px auto 0;
  width: 720px;
  font-size: 21px;
  font-family: PingFang SC;
  font-weight: 500;
  color: #fff;
  line-height: 1.4;  
}

.poster a {
  margin: 95px 30px 0;
  display: inline-block;
  width: 160px;
  height: 50px;
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #fff;
  line-height: 50px;
  border: 1px solid #fff;
}
.poster a:hover {
  color: inherit;
}
.poster a.a {
  background-color: #fff;
  color: #b51e1e;
}

a:hover {
  opacity: 0.9;
}

.b1 {
  position: relative;
  background: #FCFCFC;
}
.b1::after {
  content: "";
  display: block;
  clear: both;
}
.b1 img {
  float: right;
  margin-left: 60px;
  background-color: #ccc;
}
.b1 .n {
  padding-top: 45px;
  margin-left: 45px;
  font-size: 26px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 1;
  height: 50px;
  position: relative;
}
.b1 .n::before {
  content: "";
  display: block;
  width: 18px;
  height: 3px;
  background: #333333;
  position: absolute;
  left: 0;
  bottom: 0;
}
.b1 .t {
  margin-left: 45px;
  margin-top: 40px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 1;
}
.b1 .d {
  margin-left: 45px;
  margin-top: 15px;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 1.8;
  text-align: justify;
}

.b2 {
  margin-top: 60px;
  padding-top: 60px;
  text-align: center;
}
.b2 .n {
  font-size: 36px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 1;
  margin-bottom: 25px;
}
.b2 .d {
  margin: 25px auto 0;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666;
  line-height: 2;
  width: 830px;
}
.b2 img {
  margin: 65px auto 0;
  display: block;
  max-width: 95%;
}

.b3 img {
  max-width: 100%;
}

.b4 {
  margin-top: 125px;
}
.b4 .t {
  text-align: center;
  position: relative;
  width: 400px;
  margin: 0 auto;
}
.b4 .t .n {
  font-size: 42px;
  font-family: PingFang SC;
  font-weight: 800;
  color: #333333;
  line-height: 1;
  position: relative;
  z-index: 1;
  width: 254px;
  height: 52px;
  border-bottom: 2px solid #999;
  margin: 0 auto;
}
.b4 .t .en {
  text-transform: uppercase;
  font-size: 88px;
  font-family: Acumin Variable Concept;
  font-weight: normal;
  color: #e0e0e0;
  line-height: 1;
  position: absolute;
  bottom: 0;
}
.b4 ul {
  margin: 100px -10px 60px;
  text-align: center;
  font-size: 0;
}
.b4 ul li {
  display: inline-block;
  margin: 10px;
}
.b4 ul li a {
  display: block;
  width: 520px;
  height: 293px;
  overflow: hidden;
  cursor: default;
}
.b4 ul li a img {
  display: block;
  width: 100%;
  height: 100%;
}
.b4 ul li a:hover img {
  transform: scale(1.1);
}

@media screen and (max-width: 1440px) {
  .poster {
    padding: 120px 0 0;
    height: 600px;
    background-position: center -200px;
  }
  .wrapper {
    width: 1200px;
  }
  .b1 img {
    margin-top: 50px;
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
      -moz-transform: translateY(0);
      -ms-transform: translateY(0);
      -webkit-transform: translateY(0);
      transform: translateY(0);
  }
  40% {
      -moz-transform: translateY(-30px);
      -ms-transform: translateY(-30px);
      -webkit-transform: translateY(-30px);
      transform: translateY(-30px);
  }
  60% {
      -moz-transform: translateY(-15px);
      -ms-transform: translateY(-15px);
      -webkit-transform: translateY(-15px);
      transform: translateY(-15px);
  }
}
.poster .arrow {
  position: fixed;
  bottom: 50px;
  left: 50%;
  margin-left: -20px;
  width: 20px;
  height: 20px;
  background-image: url(data:image/svg+xml;base64,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);
  background-size: contain;
}
.poster .bounce {
  -moz-animation: bounce 2s infinite;
  -webkit-animation: bounce 2s infinite;
  animation: bounce 2s infinite;
}