.m-first-block {
  width: 100%;
}
.m-first-block .content {
  display: flex;
  justify-content: space-between;
  width: 1200px;
  margin: 0 auto;
  padding: 60px 0;
}
.m-first-block .content .ft-img {
  width: 580px;
}
.m-first-block .content .ft-img img {
  display: block;
  width: 100%;
}
.m-first-block .content .rt-text {
  width: 580px;
}
.m-first-block .content .rt-text .items {
  margin-bottom: 30px;
}
.m-first-block .content .rt-text .items:last-child {
  margin-bottom: 0;
}
.m-first-block .content .rt-text .items .tags {
  font-size: 26px;
  font-weight: 800;
  color: #003F88;
  margin-bottom: 15px;
}
.m-first-block .content .rt-text .items p {
  padding-left: 30px;
  font-size: 16px;
  font-weight: 400;
  color: #666666;
  line-height: 32px;
  background: url(../img/index-icon-2.png) no-repeat 0 8px;
  background-size: 16px 16px;
  margin-bottom: 5px;
}
.m-second-block {
  width: 100%;
  background: url(../img/index-bg-1.png) no-repeat center;
  background-size: cover;
}
.m-second-block .content {
  width: 1200px;
  margin: 0 auto;
  padding: 50px 0;
    background: none;
}
.m-second-block .content .title {
  font-size: 26px;
  font-weight: 800;
  color: #003F88;
  text-align: center;
  margin-bottom: 55px;
}
.m-second-block .content .top {
  position: relative;
  display: flex;
  flex-wrap: wrap;
}
.m-second-block .content .top::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  top: calc(50% - 42px);
  width: 100%;
  height: 1px;
  background: #CCAAFF;
}
.m-second-block .content .top::before {
  content: '';
  display: block;
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  background: #CCAAFF;
}
.m-second-block .content .top .items {
  width: 50%;
  display: flex;
  flex-wrap: wrap;
}
.m-second-block .content .top .items .box {
  width: 50%;
  padding: 20px 10px;
}
.m-second-block .content .top .items .box .data {
  display: flex;
  justify-content: center;
  align-items: baseline;
}
.m-second-block .content .top .items .box .data span {
  font-size: 18px;
  font-weight: 800;
  color: #003F88;
}
.m-second-block .content .top .items .box .data span.num {
  font-size: 58px;
}
.m-second-block .content .top .items .box .tags {
  font-size: 18px;
  font-weight: 800;
  color: #333333;
  margin-top: 10px;
  line-height: 28px;
  text-align: center;
}
.m-second-block .content .top .items .tips {
  width: 100%;
  font-size: 14px;
  font-weight: 800;
  color: #003F88;
  text-align: center;
}
.m-second-block .content .top .items:nth-child(3) .box {
  width: 33.3%;
}
.m-second-block .content .top .items:nth-child(3) .thubm {
  width: calc(50% -15px);
  padding: 20px 0;
}
.m-second-block .content .top .items:nth-child(3) .thubm img {
  display: block;
  width: 100%;
}
.m-second-block .content .top .items:nth-child(3) .thubm .name {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: #333333;
  line-height: 28px;
  margin-top: 10px;
}
.m-second-block .content .top .items:nth-child(3) .thubm:first-child {
  margin-right: 15px;
}
.m-second-block .content .top .items:nth-child(3) .thubm:last-child {
  margin-left: 15px;
}
.m-second-block .content .bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
}
.m-second-block .content .bottom .items {
  width: 580px;
  padding: 30px;
  background: #FFFFFF20;
  border-radius: 20px 20px 20px 20px;
}
.m-second-block .content .bottom .items .tags {
  font-size: 24px;
  font-weight: 800;
  color: #003F88;
  text-align: center;
}
.m-second-block .content .bottom .items .imgs {
  width: 100%;
  margin-top: 30px;
}
.m-second-block .content .bottom .items .imgs img {
  display: block;
  width: 100%;
}
.m-thred-block {
  width: 100%;
  padding: 50px 0;
  background-color: #fff;
}
.m-thred-block .content {
  width: 1200px;
  margin: 0 auto;
  padding: 40px 50px;
  border-radius: 20px;
  background-color: #00B1D5;
}
.m-thred-block .content .title {
  font-size: 28px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 25px;
  text-align: center;
}
.m-thred-block .content .drop-menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.m-thred-block .content .drop-menu .items {
  width: 240px;
  background-color: #ffffff20;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px;
  cursor: pointer;
}
.m-thred-block .content .drop-menu .items .tags {
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
}
.m-thred-block .content .drop-menu .items img {
  display: block;
  width: 20px;
  height: 20px;
  -webkit-transform: rotate(0deg);
  -ms-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}
.m-thred-block .content .drop-menu .items.cur {
  background-color: #ffffff50;
}
.m-thred-block .content .drop-menu .items.cur .tags {
  color: #f4f005;
}
.m-thred-block .content .drop-menu .items.cur img {
  -webkit-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  transform: rotate(90deg);
}
.m-forth-block {
  /*padding-bottom: 50px;*/
  width: 100%;
}
.m-forth-block .drop-content > .items {
  display: none;
}
.m-forth-block .drop-content > .items.cur {
  display: block;
}