* {
  padding: 0;
  margin: 0;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
  color: #000;
}

body {
  font-size: 16px;
  padding: 0;
  margin: 0;
  font-family: "Microsoft YaHei";
  background: none;
}

.header {
  width: 1920px;
  max-width: 100%;
  height: 594px;
  background: url(cwhy-bg.jpg) no-repeat;
  margin: 0 auto;
}

.header .cwhy-logo {
  width: 1400px;
  zoom: 0.8;
  height: 266px;
  margin: 0 auto;
  padding-top: 280px;
}

.main {
  width: 1400px;
  zoom: 0.8;
  margin: 0 auto;
}

.cwhy-p0 {
  width: 100%;
  height: 261px;
}

.cwhy-headLines {
  width: 920px;
  height: 261px;
  float: left;
}

.cwhy-headLines h1 {
  font-size: 40px;
  line-height: 130px;
  color: #3498f4;
  font-weight: bold;
}

.cwhy-headLines .intro {
  width: 900px;
  height: 120px;
  text-indent: 2em;
  font-size: 28px;
  line-height: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.cwhy-headLines .detail {
  font-size: 24px;
  background-color: #3498f4;
  padding: 5px 20px;
  border-radius: 50px;
  float: right;
  color: #fff;
  margin: 30px 20px 0 0;
}

.cwhy-date {
  position: relative;
  width: 450px;
  height: 261px;
  float: right;
}

#cwhy-laydate {
  position: absolute;
  width: 322px;
  height: 425px;
  background: url(cwhy-date-bg.png) no-repeat;
  top: -133px;
  padding: 43px 64px 0;
}

.cwhy-p1 {
  width: 100%;
  height: 602px;
  margin-top: 120px;
}

.cwhy-vedio {
  width: 850px;
  float: left;
}

.cwhy-vedio p {
  height: 72px;
  background: url(cwhy-tbg.png) no-repeat;
}

.cwhy-vedio p span {
  font-size: 38px;
  line-height: 72px;
  margin-left: 120px;
  color: #3498f4;
  font-weight: bold;
}

.cwhy-vedio p a {
  float: right;
  font-size: 18px;
  color: #578cff;
  line-height: 72px;
}

.cwhy-pic {
  width: 450px;
  float: right;
}

.cwhy-pic p {
  height: 72px;
  background: url(cwhy-tbg.png) no-repeat;
}

.cwhy-pic p span {
  font-size: 38px;
  line-height: 72px;
  margin-left: 120px;
  color: #3498f4;
  font-weight: bold;
}

.cwhy-pic p a {
  float: right;
  font-size: 18px;
  color: #578cff;
  line-height: 72px;
}

.cwhy-vedio-marquee,
.cwhy-pic-marquee {
  margin-top: 40px;
}

.cwhy-pic-marquee {
  width: 450px;
  position: relative;
  overflow: hidden;
}

.cwhy-pic-marquee ul{
  overflow: hidden;
}

.cwhy-pic-marquee ul li {
  width: 450px;
  height: 138px;
  background: #3598f5;
  margin: 0 auto 30px;
}

.cwhy-pic-marquee li a {
  /* width: 255px; */
  min-height: 30px;
  padding: 29px;
  font-size: 22px;
  color: #fff;
  line-height: 40px;
  display: block;
  text-align: center;
  font-weight: bold;
  letter-spacing: 3px;
  margin: 0 auto;
}

.cwhy-p2 {
  width: 100%;
  height: 519px;
  margin-top: 90px;
}

.cwhy-p2 .cwhy-ytdd {
  width: 489px;
  height: 517px;
  float: left;
}

.cwhy-p2 .cwhy-media {
  width: 855px;
  float: right;
}

.cwhy-media p {
  height: 72px;
  background: url(cwhy-tbg.png) no-repeat;
}

.cwhy-media p span {
  font-size: 38px;
  line-height: 72px;
  margin-left: 120px;
  color: #3498f4;
  font-weight: bold;
}

.cwhy-media p a {
  float: right;
  font-size: 18px;
  color: #578cff;
  line-height: 72px;
}

.cwhy-media .cwhy-media-list {
  width: 854px;
  height: 402px;
  background: url(cwhy-list-bg.png) no-repeat;
  margin-top: 45px;
}

.cwhy-media-list ul {
  width: 825px;
  height: 352px;
  padding: 25px 15px;
}

.cwhy-media-list li {
  margin: 0 40px;
  font-size: 22px;
  height: 70px;
  line-height: 70px;
}

.cwhy-media-list a {
  max-width: 75%;
  line-height: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 20px;
  display: inline-block;
  float: left;
}

.cwhy-media-list li::before {
  content: url(cwhy-li.png);
  width: 17px;
  height: 17px;
  float: left;
}

.cwhy-media-list span {
  color: #333;
  float: right;
  display: inline-block;
}

.cwhy-p3 {
  width: 1920px;
  max-width: 100%;
  background: url(cwhy-hyhg-bg.png) no-repeat;
  margin: 60px auto 0;
}

.cwhy-hyhg {
  width: 1400px;
  zoom: 0.8;
  margin: 0 auto;
}

.cwhy-p3 p {
  height: 72px;
  background: url(cwhy-tbg.png) no-repeat;
}

.cwhy-p3 p span {
  font-size: 38px;
  line-height: 72px;
  margin-left: 120px;
  color: #3498f4;
  font-weight: bold;
}

.cwhy-footer-date {
  width: 100%;
  height: 512px;
  margin-top: 70px;
}

.cwhy-m {
  width: 100%;
  height: 78px;
}

.cwhy-m li {
  width: 78px;
  height: 45px;
  margin-left: 42px;
  float: left;
  background: url(cwhy-date.png) no-repeat;
  text-align: center;
  color: #3498f4;
  font-size: 28px;
  padding-top: 33px;
}

.cwhy-m li:first-child {
  margin-left: 0;
}

.cwhy-d {
  width: 100%;
  margin-top: 15px;
}

.cwhy-d li {
  width: 70px;
  height: 70px;
  padding: 4px;
  float: left;
  margin-left: 42px;
}

.cwhy-d li:first-child {
  margin-left: 0;
}

.cwhy-d li a {
  width: 67px;
  height: 67px;
  line-height: 67px;
  text-align: center;
  font-size: 26px;
  color: #3498f4;
  border: 2px solid #3498f4;
  border-radius: 50%;
  display: block;
  margin: 10px 0;
}