.swiper {
  --swiper-pagination-color: #fff;
  /* 两种都可以 */
  --swiper-theme-color: #ff6600;
  /* 设置Swiper风格 */
  --swiper-navigation-color: #fff;
  /* 单独设置按钮颜色 */
  --swiper-navigation-size: 30px;
  /* 设置按钮大小 */
}

.r1 {
  height: 667px;
  overflow: hidden;
}

.r1 img {
  display: block;
}

.r1 .L {
  width: 800px;
}

.r1 .L .bigImg {
  position: relative;
  width: 800px;
  height: 460px;
}

.r1 .L .bigImg img {
  width: 800px;
  height: 460px;
}

.r1 .L .bigImg p {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 800px;
  height: 40px;
  line-height: 40px;
  padding-left: 20px;
  box-sizing: border-box;
  background: rgba(55, 0, 0, 0.5);
  color: #fff;
  font-size: 20x;
  font-weight: bold;
}

.r1 .L .bigImg span {
  position: absolute;
  right: 0;
  bottom: 0;
  text-align: right;
  height: 40px;
  line-height: 40px;
  padding-right: 20px;
  box-sizing: border-box;
  color: #fff;
  font-size: 18x;
}

.r1 .L ul li {
  float: left;
  width: 256px;
  height: 207px;
  padding-top: 15px;
  margin-left: 15px;
}

.r1 .L ul li img {
  width: 256px;
  height: 150px;
}

.r1 .L ul li:nth-child(1) {
  margin-left: 0;
}

.r1 .L ul li p {
  line-height: 160%;
  font-size: 15px;
  font-weight: bold;
}

.r1 .L ul li span {
  font-size: 12px;
}

.r1 .R {
  width: 380px;
  height: 667px;
}

.r1 .R img {
  display: block;
  width: 380px;
  height: 667px;
}

.r2 {
  margin-top: 20px;
}

.r2 img {
  display: block;
}

.r2 ul {
  height: 360px;
  overflow: hidden;
}

.r2 ul li {
  width: 285px;
  float: left;
  margin-left: 20px;
  height: 360px;
  padding: 5px;
  box-sizing: border-box;
  border: 1px solid #ccc;
  background-color: #fff;
}

.r2 ul li img {
  width: 100%;
  height: 170px;
}

.r2 ul li p {
  display: block;
  font-size: 16px;
  line-height: 150%;
}

.r2 ul li span {
  display: block;
  padding-top: 20px;
  line-height: 150%;
  font-size: 13px;
  color: #666;
  text-overflow: ellipsis;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
}

.r2 ul li:nth-child(1) {
  margin-left: 0;
}

.r2 ul li:hover {
  border: 1px solid #D6001D;
  background: #D6001D;
}

.r2 ul li:hover p,
.r2 ul li:hover span {
  color: #fff;
}

.r3 {
  position: relative;
}

.r3 img {
  height: 648px;
  width: 1200px;
  display: block;
}

.r3 p {
  position: absolute;
  width: 1200px;
  height: 40px;
  line-height: 40px;
  top: 608px;
  background-color: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-weight: bold;
  text-align: center;
}

.r4 {
  height: 728px;
}

.r4 .L {
  width: 380px;
}

.r4 .L img {
  height: 670px;
  width: 380px;
}

.r4 .L p {
  display: block;
  height: 58px;
  line-height: 58px;
  text-align: center;
  background-color: #eeeeee;
}

.r4 .R {
  width: 800px;
}

.r4 .R ul li {
  float: left;
  width: 185px;
  height: 364px;
  overflow: hidden;
  margin-right: 20px;
  position: relative;
}

.r4 .R ul li:hover div.gray {
  left: 0px;
  opacity: 1;
}

.r4 .R ul li:hover div.code {
  left: 0;
}

.r4 .R ul li div.gray {
  position: absolute;
  top: 0;
  width: 185px;
  height: 354px;
  background: #666;
  opacity: 0;
  transition: all 0.3s;
}

.r4 .R ul li div.code {
  position: absolute;
  width: 185px;
  left: -300px;
  top: 0;
  z-index: 999;
  transition: all 0.3s;
}

.r4 .R ul li div.code h2 {
  display: block;
  padding: 50px 10px 20px;
  height: 50px;
  font-size: 14px;
  color: #fff;
  text-align: center;
}

.r4 .R ul li div.code img {
  display: block;
  width: 156px;
  height: 156px;
  margin: 0 auto;
}

.r4 .R ul li a img {
  width: 185px;
  height: 300px;
}

.r4 .R ul li a p {
  height: 64px;
  line-height: 150%;
  font-size: 12px;
}

.r4 .R ul li:nth-child(4n) {
  margin-right: 0;
}

.r4 img {
  display: block;
}