/* html {
  font-size: 15px;
} */

body {
  margin: 0;
  padding: 0;
}

/* @media screen and (max-width:1300) {
   html {
    font-size: 15px;

}
}

@media screen and (min-width:1300) {
    body {
        background-color: red;
    }
} */

/* .bc {
  height: 100vh;
  width: 100%;
  background-image: url("../img/关于蝌蚪.jpg");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  overflow: hidden;
} */

img {
  /* width: 100%; */
  /* height: auto; */
  max-width: 100%;
  /* display: block; */
}

/* .SY {
  width: 60%;
  margin-left: 20%;
  display: flex;
  justify-content: space-between;
  margin-top: 15px;
  align-items: center;
} */

.SY_Child {
  flex-basis: 40%;
}

.SY_Child_flex {
  display: flex;
  justify-content: space-between;
  width: 30rem;
  text-align: center;
  padding-left: 70%;
  padding-top: 85%;
}

.flex_ {
  display: flex;
  justify-content: space-between;
  text-align: center;
}

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

.SY_Child_JJ {
  margin-top: 10px;
}



/* .SY_bottom {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 140px;
  padding-top: 0.6rem;
  background-color: #323232;
  overflow: hidden;
} */

.SY_btn_txt {
  border-right: 1px solid #ddd;
  color: #ddd;
  flex-basis: 16.6%;
  text-align: center;
}

.SY_bottom_a {
  display: inline-block;
  text-decoration: none;
  height: 1rem;
  font-size: 0.8rem;
  line-height: 1rem;
  color: rgb(147, 147, 147);
  margin-left: 1rem;
  margin-top: 0.5rem;
}
/* .SY_imgTop{
  width: 15rem;
  height: auto;
  line-height: 80px;
}
.SY_img2{
  width: 18rem;
}
.SY_img4{
  width: 4.5rem;
} */