body {
  margin: 0;
  padding: 0;
  text-align: center;
  font-size: 12px;
  font-family: PingFangSC-Semibold, sans-serif;
}
table,
td,
tr,
img,
ul,
li,
h1,
h2,
p,
object,
param,
embed {
  margin: 0;
  padding: 0;
  border: 0;
}
img {
  border: 0;
}
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
  color: #fff;
}
a:hover {
  text-decoration: none;
}
.clear {
  clear: both;
}
.clearfix {
  zoom: 1;
}
.clearfix:after {
  content: '';
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

/*-返回定部-*/
#tbox {
  width: 54px;
  float: right;
  position: fixed;
  right: 50px;
  bottom: 15px;
}
#gotop {
  width: 54px;
  height: 54px;
  background: #f19601;
  display: block;
}
#gotop .retopic {
  display: inline-block;
  border-top: 2px solid;
  border-right: 2px solid;
  margin-top: 20px;
  width: 25px;
  height: 25px;
  border-color: #fff;
  transform: rotate(-45deg);
}

.pc-container {
  width: 100%;
  height: 100%;
  margin: 40px auto 0 auto;
  text-align: center;
}
.pc-container .banner1 {
  height: 510px;
  background: #00223e url('../images/1.png') no-repeat center;
}
.pc-container .banner2 {
  height: 174px;
  background: url('/topic/2022ossd/images/2.png') no-repeat center;
}
.pc-container .banner3 {
  height: 86px;
  background: url('/topic/2022ossd/images/3.png') no-repeat center;
}
.pc-container .banner4 {
  height: 684px;
  background: url('/topic/2022ossd/images/4.png') no-repeat center;
}
.pc-container .banner5 {
  height: 614px;
  background: url('/topic/2022ossd/images/5.png') no-repeat center;
}
.pc-container .banner6 {
  height: 146px;
  background: url('/topic/2022ossd/images/6.png') no-repeat center;
}
.pc-container .banner7 {
  height: auto;
  background: url('/topic/2022ossd/images/7.png') no-repeat center;
}
.pc-container .banner7a {
  height: 112px;
  background: url('/topic/2022ossd/images/7a.png') no-repeat center;
}
.pc-container .banner8 {
  height: 534px;
  background: url('/topic/2022ossd/images/8.png') no-repeat center;
}
.pc-container .banner9 {
  height: 646px;
  background: url('/topic/2022ossd/images/9.png') no-repeat center;
}
.pc-container .banner10 {
  height: 568px;
  background: url('/topic/2022ossd/images/10.png') no-repeat center;
}
.pc-container .banner11 {
  height: 454px;
  background: url('/topic/2022ossd/images/11.png') no-repeat center;
}
.pc-container .banner12 {
  height: 756px;
  background: url('/topic/2022ossd/images/12.png') no-repeat center;
}
.pc-container .main_m {
  width: 960px;
  height: 100%;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.pc-container .pc-zx {
  width: 100%;
  height: auto;
  display: flex;
  flex-flow: row nowrap;
  justify-content: center;
  padding: 10px 0 20px 0;
}
.pc-container .pc-zx-icon1 {
  width: 15%;
  height: 30px;
  background: #f77a26;
  color: #fff;
  padding: 10px;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  transition: all 1s ease-in-out 0s;
  cursor: pointer;
  border-radius: 20px;
}
.pc-container .pc-zx-icon2 {
  width: 13%;
  margin: 0 2%;
  height: 30px;
  background: #3ea6ff;
  color: #fff;
  padding: 5px;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  transition: all 1s ease-in-out 0s;
  cursor: pointer;
  border-radius: 25px;
}
.pc-container .pc-zx-icon1:hover,
.pc-container .pc-zx-icon2:hover {
  box-shadow: 0 6px 30px 0 rgba(0, 0, 0, 0.8);
}

/*顶部试听预约*/
.pc-container .yuyue {
  position: relative;
  width: 760px;
  height: 150px;
  margin: 0 auto;
  padding-top: 20px;
  /* margin-left: 30px; */
}
.pc-container .top_yuyue_form {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: auto;
  margin: 5px auto 40px auto;
}
.pc-container .top_yuyue_form .textinput {
  width: 240px;
  height: 40px;
  margin-bottom: 15px;
  margin-right: 10px;
  font-size: 16px;
  padding-left: 5px;
  float: left;
  outline: none;
}
.pc-container .top_yuyue_form .btnon {
  /* position: absolute; */
  outline: none;
  width: 200px;
  height: 41px;
  border: 2px solid #e0e0e0;
  background: #2e3192;
  font-size: 16px;
  color: #feff00;
  cursor: pointer;
  right: 15px;
  top: 25px;
  font-weight: bold;
}

.pc-container .top_yuyue_form .form-group {
  width: 27%;
  float: left;
}
.pc-container .top_yuyue_form .yzmcode {
  width: 55%;
  height: 40px;
  font-size: 16px;
  float: left;
}
.pc-container .top_yuyue_form .codetxt {
  width: 40%;
  background: #f0f0f0;
  outline: none;
  height: 42px;
  cursor: pointer;
  font-size: 16px;
  border: 0;
}

.pc-container .top_yuyue {
  width: 300px;
  height: 165px;
  top: 375px;
  right: 330px;
  position: absolute;
}
.pc-container .top_yuyue_form1 {
  width: 80%;
  height: auto;
  margin: 10px auto 0 auto;
}
.pc-container .top_yuyue_form1 .textinput {
  width: 97%;
  height: 35px;
  margin-bottom: 5px;
  font-size: 16px;
  padding-left: 5px;
}
.pc-container .top_yuyue_form1 .btnon {
  outline: none;
  border: 0;
  width: 100%;
  height: 35px;
  background: #fe4101;
  font-size: 16px;
  color: #fff;
  cursor: pointer;
}

.pc-container .top_yuyue_form1 .form-group {
  width: 100%;
  margin-bottom: 5px;
}
.pc-container .top_yuyue_form1 .yzmcode {
  width: 55%;
  height: 31px;
  font-size: 14px;
  float: left;
}
.pc-container .top_yuyue_form1 .codetxt {
  width: 40%;
  background: #f0f0f0;
  outline: none;
  height: 35px;
  cursor: pointer;
  font-size: 14px;
}

.pc-container .swiper-scroll {
  width: 100%;
  height: auto;
  padding: 0.4rem auto;
}
.pc-container .swiper-scroll .swiper-container {
  width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
}
.pc-container .swiper-scroll .swiper-slide {
  background-size: cover;
  background-position: center;
}
.pc-container .swiper-scroll .gallery-top {
  width: 100%;
}

.pc-container .swiper-scroll .gallery-thumbs {
  height: 40px;
  padding: 10px 0;
  font-size: 24px;
}
.pc-container .swiper-scroll .gallery-thumbs .swiper-slide {
  width: 225px;
  height: 40px;
  opacity: 0.4;
  text-align: center;
  border: 0.01rem solid #fff;
  color: #fff;
  padding: 0.2rem 0.1rem;
  border-radius: 0.1rem;
  cursor: pointer;
  line-height: 40px;
}
.pc-container .swiper-scroll .gallery-thumbs .swiper-slide-thumb-active {
  opacity: 1;
  font-weight: bold;
  background: #2e3192;
  color: #fbef1f;
}