* {
  padding: 0;
  margin: 0;
}

body {
  /* background: url(images/by_bg.png) bottom no-repeat; */
  background-image: url(../images/by_bg.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-position: bottom;
}

.yr_header {
  width: 100%;
}

.yr_header img {
  width: 100%;
  display: block;
}

.yr_logo {
  position: absolute;
  top: 25px;
  left: 5%;
  width: 300px;
}

.yr_logo img {
  width: 100%;
  display: block;
}

.yingyan {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 36px;
  color: rgba(255, 255, 255, 1);
  text-align: center;
  background: url(../images/yingyan_bg.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  padding: 19px 60px;
  box-sizing: border-box;
}

.yr_container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  z-index: 99;
  position: relative;
}

.yrwb_box {
  margin-top: -740px;
}

.rmjyzjqd {
  border-radius: 20px;
  background: rgba(255, 255, 255, 1);
  box-shadow: 10px 5px 28px rgba(111, 162, 237, 1);
  padding: 80px 37px 40px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 36px;
  color: rgba(51, 51, 51, 1);
  box-sizing: border-box;
  margin-top: 160px;
  position: relative;
}

.tyjyrdwjs {
  border-radius: 20px;
  background: rgba(255, 255, 255, 1);
  box-shadow: 10px 5px 28px rgba(111, 162, 237, 1);
  padding: 100px 54px 80px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  margin-top: 80px;
  position: relative;
}

.tyjy_title {
  height: 70px;
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
}

.tyjy_title img {
  width: 100%;
  display: block;
}

.item_left {
  width: 40%;
  display: flex;
  flex-wrap: wrap;
  position: relative;
}

.item_left li {
  width: 50%;
}

.item_left img {
  width: 100%;
  display: block;
}

.item_left li a {
  position: relative;
}

.item_right {
  width: 58%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.item_right li {
  width: 48%;
}

.item_right li a {
  display: block;
  width: 100%;
  position: relative;
}

.item_right li img {
  width: 100%;
  display: block;
}

.item_right li:nth-child(3),
.item_right li:nth-child(4) {
  margin-top: 20px;
}

a {
  text-decoration: none;
}

li {
  list-style: none;
}

.tu_title {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 40px;
  background: rgba(0, 0, 0, 0.6);
  line-height: 40px;
  text-align: center;
  color: rgba(255, 255, 255, 1);
}

.tu_title a {
  color: rgba(255, 255, 255, 1);
}

.dzzhtpp {
  border-radius: 20px;
  background: rgba(255, 255, 255, 1);
  box-shadow: 10px 5px 28px rgba(111, 162, 237, 1);
  padding: 100px 54px 80px;
  margin-bottom: 50px;
  margin-top: 80px;
}

.dzzhtpp {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 42px;
  color: rgba(51, 51, 51, 1);
  position: relative;
}

.line img {
  width: 100%;
}

.rmjyzjqd_title {
  height: 70px;
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
}

.rmjyzjqd_title img {
  width: 100%;
}

.dzzhtpp_title {
  height: 70px;
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
}

.dzzhtpp_title img {
  width: 100%;
}

.tyjyrdwjs_item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

@media (max-width: 1800px) {
  .yrwb_box {
    margin-top: -690px;
  }
}

@media (max-width: 1700px) {
  .yrwb_box {
    margin-top: -640px;
  }

  .rmjyzjqd {
    margin-top: 120px;
  }
}

@media (max-width: 1600px) {
  .yrwb_box {
    margin-top: -600px;
  }
}

@media (max-width: 1500px) {
  .yrwb_box {
    margin-top: -550px;
  }
}

@media (max-width: 1400px) {
  .yrwb_box {
    margin-top: -500px;
  }
}

@media (max-width: 1300px) {
  .yrwb_box {
    margin-top: -460px;
  }
}

@media (max-width: 1200px) {
  .yrwb_box {
    margin-top: -420px;
  }

  .rmjyzjqd {
    margin-top: 86px;
  }

  .yr_logo {
    top: 15px;
    width: 260px;
  }
}

@media (max-width: 1100px) {
  .yrwb_box {
    margin-top: -400px;
  }

  .yr_logo {
    top: 15px;
    width: 240px;
  }

  .rmjyzjqd_title {
    top: -29px;
  }

  .tyjy_title {
    top: -29px;
  }

  .dzzhtpp_title {
    top: -29px;
  }
}

@media (max-width: 992px) {
  .yrwb_box {
    margin-top: -370px;
  }

  .yr_logo {
    top: 5px;
    width: 240px;
  }
}

@media (max-width: 900px) {
  .yrwb_box {
    margin-top: -340px;
  }
}

@media (max-width: 800px) {
  .yrwb_box {
    margin-top: -300px;
  }
}

@media (max-width: 768px) {
  .yrwb_box {
    margin-top: -300px;
  }

  .yr_logo {
    top: 5px;
    width: 200px;
  }

  .rmjyzjqd_title {
    top: -23px;
  }

  .tyjy_title {
    top: -23px;
  }

  .dzzhtpp_title {
    top: -23px;
  }
}

@media (max-width: 680px) {
  .yrwb_box {
    margin-top: -273px;
  }

  .yr_logo {
    top: 5px;
    width: 180px;
  }

  .rmjyzjqd_title {
    top: -20px;
  }

  .tyjy_title {
    top: -20px;
  }

  .dzzhtpp_title {
    top: -20px;
  }
}

@media (max-width: 540px) {
  .yrwb_box {
    margin-top: -180px;
  }

  .yr_logo {
    top: 5px;
    width: 140px;
  }

  .rmjyzjqd_title {
    top: -20px;
  }

  .tyjy_title {
    top: -20px;
  }

  .dzzhtpp_title {
    top: -20px;
  }
}

@media (max-width: 480px) {
  .yingyan {
    padding: 36px 31px;
  }

  .yrwb_box {
    margin-top: -95px;
  }

  .yr_logo {
    top: -7px;
    width: 140px;
  }

  .rmjyzjqd {
    margin-top: 50px;
  }

  .rmjyzjqd_title {
    left: 1%;
    transform: translateX(0%);
  }

  .dzzhtpp_title {
    left: 1%;
    transform: translateX(0%);
  }

  .tyjy_title {
    left: 1%;
    transform: translateX(0%);
  }

  .item_left {
    width: 100%;
  }

  .item_right {
    width: 100%;
    margin-top: 20px;
  }

  .item_right li {
    width: 100%;
  }

  .item_right li:nth-child(2) {
    margin-top: 20px;
  }
}