.core {
  width: 1224px;
  margin: 0 auto;
}

.nav {
  width: 100%;
}

/* business */

.business h2 {
  margin-top: 132px;
  font-size: 42px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 40px;


}

.businessp {
  text-indent: 2em;
  margin-top: 50px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #777373;
  line-height: 29px;

}

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

.businessbox li p:nth-child(1) {
  margin-top: 82px;
  font-size: 23px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #333333;

}

.businessbox li p span {
  font-size: 78px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #0099FF;
}

.businessbox li p:nth-child(2) {
  margin-top: 37px;
  font-size: 22px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  text-align: center;
}

/* advantages */

.advantages h2 {
  margin-top: 143px;
  font-size: 42px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 40px;

  margin-bottom: 100px;
}

.advantagesimg {
  display: flex;
  justify-content: center;
  margin: 0 auto;
}

.swiper-slide img {
  display: block;
  margin: 0 auto;
}

.advantagesbar {
  margin-top: 74px;
  display: flex;
  justify-content: center;
}

.advbar {
  width: 67px;
  height: 3px;
  background: #DD0000;
  margin-right: 19px;
}

/* introduction */

.introduction h2 {
  margin-top: 150px;
  font-size: 42px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 40px;

  margin-bottom: 126px;
}

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

.introduction li {
  position: relative;
  width: 285px;
  height: 407px;
  background: #F5F8FB;
  border: 0px solid #FFFFFF;
}

.introduction li h3 {
  margin-top: 55px;
  margin-left: 33px;
  margin-bottom: 26px;
  font-size: 29px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #333333;
  line-height: 20px;

}

.introduction li p {
  margin-left: 33px;
  margin-bottom: 49px;
  width: 216px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #999999;
  line-height: 24px;
}

.introduction img {
  display: block;
  margin: 0 auto;
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
}

/* production */
.production {
  margin-top: 147px;
}

.production h2 {
  height: 41px;
  font-size: 42px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 40px;
  margin-bottom: 123px;
}

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

.production li {
  position: relative;
}

.production li .productionline {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 374px;
  height: 62px;
  background: #0099FF;
  opacity: 0.8;

}

.production li .productionline p {
  text-align: center;
  height: 21px;
  font-size: 22px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 62px;

}

/* brand */

.brand h2 {
  font-size: 36px;
  font-family: Adobe Heiti Std;
  font-weight: normal;
  color: #333333;
  line-height: 40px;
  margin-bottom: 95px;
  margin-top: 150px;
}

.brandimg {
  display: block;
  margin: 0 auto;
}

.brandimg img {
  margin-bottom: 70px;
  width: 100%;
}

.brandimg p {
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #999999;
  line-height: 2px;
  text-align: center;
}

/* selfMade */
.selfmd h2 {
  font-size: 36px;
  font-family: Adobe Heiti Std;
  font-weight: normal;
  color: #333333;
  line-height: 40px;
  margin-bottom: 95px;
  margin-top: 150px;
}

.selfMade {
  display: flex;
  align-items: center;
  margin-bottom: 20%;
}

.selfMade img {
  width: 60%;
}

.selfMadeDiv {
  width: 35%;
  margin-left: 5%;
  text-align: left;
}

.selfMadeDiv h2 {
  font-size: 34px;
  font-weight: 600;
  margin: 0;
  margin-bottom: 30px;
  color: #666666;
}

.selfMadeDiv hr {
  width: 10%;
  height: 1px;
  background-color: #0099FF;
  border-color: #0099FF;
  margin-bottom: 30px;
}

.selfMadeDiv p {
  font-size: 16px;
  color: #666666;
  line-height: 20px;
}

.selfMade .leftText {
  margin-left: 1%;
  width: 40%;
}

.selfMade .leftText p {
  width: 80%;
}

/* investment  */
.investment h2 {
  height: 41px;
  font-size: 42px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 40px;
  margin-bottom: 135px;
  margin-top: 100px;
}

.investmentimg {
  display: flex;
  justify-content: center;
  margin-bottom: 100px;
}

@media screen and (max-width:1500px) {
  .bannar .logo {
    position: absolute;
    top: 346px;
    left: 317px;
  }
}

@media screen and (max-width:1024px) {
  .bannar {
    height: 4rem
      /* 280/75 */
    ;
    margin-bottom: 250px;

  }

  .bannar .logo {
    position: absolute;
    top: 188px;
    left: 165px;
  }

  .business {
    width: 95%;
    margin-top: 400px;
  }

  .advantages {
    width: 95%;
  }

  .advantagesimg img {
    width: 100%;
  }

  .introduction {
    width: 95%;
  }

  .introduction li {
    width: 24%;
  }

  .introduction li p {
    width: 80%;
  }

  .introduction h2 {
    margin-top: 100px;
    margin-bottom: 60px;
  }

  .production {
    width: 95%;
    margin-top: 100px;
  }

  .production h2 {
    margin-bottom: 60px;
  }

  .production li {
    width: 33%;
  }

  .production li img {
    width: 100%;
  }

  .production li .productionline {
    width: 100%;
  }

  .investment {
    width: 95%;
  }

  .investmentimg {
    width: 95%;
    display: flex;
    justify-content: center;
    margin: 0 auto;
    margin-bottom: 100px;
  }

  .investmentimg img {
    width: 100%;
    display: block;
    margin: 0 auto;
  }

  .brand {
    width: 95%;
  }

  .brandimg img {
    width: 100%;
    height: 100%;
  }

  .brand h2 {
    margin-top: 100px;
    margin-bottom: 60px;
  }

  .investment h2 {
    margin-bottom: 60px;
    margin-top: 100px;
  }
}

@media screen and (max-width:750px) {
  .bannar {
    /* height: 3rem; */
    margin-top: 1.44rem;
	margin-bottom:0;
  }

  .bannar .logo {
    position: absolute;
    top: 188px;
    left: 165px;
  }

  .advantages h2,
  .business h2,
  .introduction h2,
  .production h2,
  .brand h2,
  .investment h2,
  .selfmd h2 {
    font-size: .4rem;
  }
  
  .selfmd h2 {
	  margin-bottom: 1rem;
	  margin-top: 1.2rem;
  }

  .business {
    width: 95%;
    margin-top: .4rem;
  }
  
  .businessbox ul{
	  justify-content: space-around;
  }

  .business h2 {
    margin-top: 2.4rem;
  }
  
  .businessbox li p span {
	  font-size: .6rem;
  }
  
  .businessbox li p:nth-child(1){
	  margin-top: .7rem;
  }
  
  .businessbox li p:nth-child(1) {
	  font-size: .3rem;
  }
  
  .businessbox li p:nth-child(2) {
	  font-size: 16px;
	  margin-top: 10px;
  }

  .advantages {
    width: 95%;
  }
  
  .advantages h2 {
	  margin-top: 1.5rem;
	  margin-bottom: 1rem;
  }

  .advantagesimg img {
    width: 100%;
  }

  .introduction {
    width: 95%;
  }

  .introduction li h3 {
    margin-top: .5rem;
	margin-bottom: .3rem;
    font-size: .24rem;
	margin-left: 0;
	text-align: center;
  }

  .introduction img {
    height: auto;
    width: 0.7rem;
    /* margin-bottom: .6rem; */
    bottom: .3rem;
  }

  .introduction li {
    width: 24%;
    height: auto;
  }

  .introduction li p {
    width: 80%;
    margin-left: 10%;
    font-size: .2rem;
	line-height: 1.5;
    margin-bottom: 1.2rem;
	text-align: justify;
  }

  .introduction h2 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
  }

  .production {
    width: 95%;
    margin-top: 1.2rem;
  }

  .production h2 {
    margin-bottom: 1rem;
  }

  .production li {
    width: 33%;
  }

  .production li img {
    width: 100%;
  }

  .production li .productionline {
    width: 100%;
    bottom: 6px;
	height: .7rem;
  }
  
  .production li .productionline p {
	  font-size: .36rem;
	  line-height: .7rem;
  }

  .investment {
    width: 95%;
  }

  .investmentimg {
    width: 95%;
    display: flex;
    justify-content: center;
    margin: 0 auto;
    margin-bottom: 100px;
  }

  .investmentimg img {
    width: 100%;
    display: block;
    margin: 0 auto;
  }

  .brand {
    width: 95%;
  }

  .brandimg img {
    width: 100%;
    height: 100%;
	margin-bottom: 15px;
  }

  .brand h2 {
    margin-top: 1.2rem;
    margin-bottom: 1rem;
  }

  .investment h2 {
    margin-bottom: 60px;
    margin-top: 100px;
  }
  
  .brandimg p {
	  font-size: .2rem;
	  line-height: 1.5;
  }

  .selfmd {
    width: 95%;
  }
  
 .selfMadeDiv:first-of-type {
	  margin-bottom: .5rem;
  }

  .selfMadeDiv h2 {
    font-size: .28rem;
	margin-top: 0;
    margin-bottom: .06rem;
  }

  .selfMadeDiv hr {
    margin-bottom: .1rem;
  }

  .selfMadeDiv p {
    font-size: .2rem;
    line-height: 2;
  }
}