html {
  font-size: 16px;
}

.container {
  background-color: #f5f5f5;
}

a {
  color: #000;
}

.headerbox {
  /* background-color: rgba(48, 47, 47, 0); */
  color: #fff;
  width: 100%;
  height: 77px;
  line-height: 77px;
  position: fixed;
  top: 0;
  z-index: 100;
  margin: 0 auto;
}

.header {
  width: 100%;
  margin: 0 auto;
}

.header .logo {
  float: left;
  margin-top: 5px;
  margin-left: 10%;
}

.nav {
  float: right;
  position: relative;
  z-index: 2;
  margin-right: 8%;
}

.nav li {
  position: relative;
  float: left;
  color: #232426;
  font-size: 16px;
}

.nav li::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background-color: #ff6633;
  transition: all 0.3s;
}

.nav li:hover::before {
  width: 100%;
  background-color: #ff6633;
}

.nav li>a {
  display: block;
  padding: 0 30px;
  color: #fff;
}

.nav li.nav-business:hover .box {
  display: block;
}

.nav li.nav-business .box {
  position: absolute;
  left: 50%;
  margin-left: -112px;
  top: 77px;
  width: 224px;
  display: none;
  background-color: rgba(48, 47, 47, .5);
  font-size: 16px;
}

.nav li.nav-business .box a {
  padding-left: 56px;
  display: block;
  line-height: 43px;
  color: #e5e5e5;
  background-repeat: no-repeat;
  background-image: url("../images/nav-icon.png");
}

.nav li.nav-business .box a:hover {
  color: #fff;
}

.nav li .nav-box-a-1 {
  background-position: 30px 13px;
}

.nav li .nav-box-a-2 {
  background-position: 30px -32px;
}

.nav li .nav-box-a-3 {
  background-position: 30px -209px;
}

.nav li .nav-box-a-4 {
  background-position: 30px -75px;
}

.nav li .nav-box-a-5 {
  background-position: 30px -120px;
}

.nav li .nav-box-a-6 {
  background-position: 30px -166px;
}



.w {
  width: 90%;
  margin: 0 auto;
}

.comBottom {
  padding: 26px 0;
  background-color: #fff;
  /* border-top:  1px solid #b7b7b8 ; */
}

.comBottom .img {
  margin: 0 auto;
  border-bottom: 1px solid #3b3b3d;
  padding-bottom: 26px;
  width: 90%;
}

.comBottom .link {
  padding: 30px 0;
  position: relative;
  left: 36px;
  text-align: center;
}

.comBottom .link li {
  width: 200px;
  display: inline-block;
  vertical-align: text-top;
  text-align: left;
}

.comBottom .link li h4 {
  color: black;
  font-size: 16px;
  line-height: 1;
  margin-bottom: 14px;
}

.comBottom .link li a, .comBottom .link li span {
  display: block;
  color: black;
  font-size: 14px;
  margin-bottom: 7px;
}

.comBottom .link li a:hover, .comBottom .link li span:hover {
  color: #ff7f00;
}

.comBottom .wxqrcode {
  position: absolute;
  left: 0;
  top: -10px;
  width: 140px;
}

.comBottom li.link-contact {
  position: relative;
  padding-left: 150px;
  width: 280px;
}

.footer {
  line-height: 2.5;
  text-align: center;
  padding: 20px 0;
  background-color: #fff;
  color: black;
}

.footer a {
  color: black;
}

.links {
  font-size: 16px;
  width: 800px;
  margin: 10px auto;
  padding-left: 40px;
}

/* 头尾  结束 */

/* 内容 开始 */
.p1-bg {
  position: relative;
}

.p1-bg p {
  color: #fff;
  position: absolute;
  top: 42%;
  font-size: 2.8rem;
  margin-left: 19.3%;
  font-family: 'Source Han Sans CN', 'Source Han Sans SC', 'Source Han Sans TC', 'Source Han Sans KR', 'Source Han Sans JP', 'Source Han Sans', 'Noto Sans CJK SC', 'Noto Sans CJK TC', 'Noto Sans CJK KR', 'Noto Sans CJK JP', 'Noto Sans CJK', sans-serif;

}

.p1-bg img {
  width: 100%;
  height: auto;
}

.tabs {
  width: 100%;
  display: flex;
  margin: 0 auto;
  line-height: 4;
  font-size: 16px;
  background: #f5f5f5;
}

.tabs a {
  margin-left: 40px;
  font-weight: 600;
  color: #4d4d50;
  cursor: pointer;
}

.p2-bg{
  width: 100%;
  background: #fff;
  padding-top: 110px;
  padding-bottom: 100px;
}
.p2-bg h1{
  font-size: 1.5vw;
  text-align: center;
}

.p2-bg p{
  font-size: .9vw;
  text-align: left;
  width: 60%;
  margin: 50px auto;
  line-height: 3;
}


.p4 {
  background: #fff;
}

.p4 img {
  width: 100%;
  height: auto;
}

.p3-bg {
  background-color: #fff;
}

.p3-bg img {
  width: 100%;
  height: auto;
  padding-bottom: 80px;
}

.p4 h2 {
  text-align: center;
  font-size: 32px;
  color: #fff;
  font-weight: 600;
  position: absolute;
  top: 70px;
  width: 100%;
}

.p5-bg img {
  width: 100%;
  height: auto;
}

.p6-bg img {
  width: 100%;
  height: auto;
}

.p7-bg img {
  width: 100%;
  height: auto;
}

.years {
  width: 100%;
  display: flex;
  justify-content: center;
  position: absolute;
  top: 182px;
}

.years p {
  width: 155px;
  font-size: 20px;
  color: #fff;
  text-align: center;
}

.swiper-container {
  background: #f5f5f5;
  width: 100%;
  height: auto;
  overflow: hidden;
  position: relative;
}

.swiper-slide {
  width: 30% !important;
  text-align: left;
  font-size: 18px;
  background: #f5f5f5;
  padding: 30px;
  left: -70px;
}

.swiper-slide p {
  font-size: 16px;
  line-height: 2;
  padding-bottom: 20px;
}


.swiper-pagination-bullet {
  width: 35px !important;
  height: 35px !important;
  border-radius: 3px;
  background: rgb(175, 173, 173) !important;
  opacity: 1 !important;
  transition-duration: 500ms;
}

.swiper-pagination-bullet-active {
  width: 35px !important;
  height: 35px !important;
  background: rgb(13, 203, 139) !important;
}

.swiper-pagination-bullet {
  margin: 0 60px !important;
}

.swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
  top: 212px !important;
}

.swiper-wrapper {
  width: 100% !important;
}

.backtotop {
  position: absolute;
  right: 175px;
  margin-top: -58px;
  width: 140px;
  height: 35px;
  background: url(../images/backtotop.png) 0 0 no-repeat;
  cursor: pointer;
}



/* 媒体查询 */

@media only screen and (max-width: 1360px) {

  .years {
    top: 143px;
  }

  .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    top: 172px !important;
  }

}