body,
html,
h1,
h2,
h3,
h4,
h5,
ul,
p {
  padding: 0;
  margin: 0;
}
li {
  list-style: none;
}
.w_1200 {
  width: 1200px;
  margin: 0 auto;
}
.d_c {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.header {
  background: #f2f2f2;
  height: 100px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.header .content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.header .content .logo {
  width: 282px;
  height: 60px;
}
.header .content .search_box {
  width: 300px;
  height: 48px;
  border-radius: 24px;
  background: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.header .content .search_box input {
  border: none;
  background: none;
  outline: none;
  font-size: 16px;
  height: 48px;
  width: 240px;
}
.header .content .search_box i {
  width: 24px;
  height: 24px;
  background: url('../img/2.png') no-repeat center center;
}
.nav {
  height: 54px;
  background: #E90000;
  position: relative;
  z-index: 99;
}
.nav .big_nav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.nav .big_nav li {
  width: 120px;
  height: 54px;
  position: relative;
}
.nav .big_nav li:hover .sub_nav {
  display: block;
}
.nav .big_nav li a {
  display: block;
  width: 120px;
  height: 54px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  text-decoration: none;
  color: #FFFFFF;
}
.nav .big_nav li a:hover,
.nav .big_nav li a.on {
  background: #FF1B1B;
}
.nav .big_nav li .sub_nav {
  width: 120px;
  background: #fff;
  display: none;
  position: absolute;
  top: 54px;
  left: 0;
}
.nav .big_nav li .sub_nav a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 120px;
  height: 54px;
  color: #161618;
}
.nav .big_nav li .sub_nav a:hover {
  background: #F0F0F0;
}
.footer {
  background: #E90000;
  padding: 40px 0;
}
.footer .content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.footer .content .logo_and_address {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.footer .content .logo_and_address .logo {
  width: 176px;
  height: 109px;
}
.footer .content .logo_and_address .line {
  width: 1px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 48px;
}
.footer .content .logo_and_address .address {
  font-size: 16px;
  color: #fff;
}
.footer .content .logo_and_address .address p {
  margin-bottom: 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.footer .content .logo_and_address .address p i {
  width: 16px;
  height: 17px;
  margin-right: 4px;
}
.footer .content .logo_and_address .address p:last-child {
  margin-bottom: 0;
}
.footer .content .logo_and_address .address p:nth-child(2) i {
  background: url('../img/9.png') no-repeat center center;
}
.footer .content .logo_and_address .address p:nth-child(3) i {
  background: url('../img/10.png') no-repeat center center;
}
.footer .content .code img {
  width: 120px;
  height: 120px;
  display: block;
}
.footer .content .code p {
  text-align: center;
  font-size: 12px;
  color: #fff;
  margin-top: 8px;
}
.icp {
  background: #C80000;
  height: 50px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.icp a {
  font-size: 16px;
  color: #fff;
  text-decoration: none;
}
.icp a:hover {
  color: rgba(255, 255, 255, 0.8);
}
.icp i {
  width: 1px;
  height: 10px;
  background: #fff;
  margin: 0 24px;
}
.empty {
  width: 594px;
  height: 465px;
  margin: 0 auto;
  font-size: 14px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  color: #999;
}
.banner {
  height: 440px;
  background: -webkit-gradient(linear, left top, right top, from(#dce8ff), to(#a2bbe4));
  background: linear-gradient(to right, #dce8ff, #a2bbe4);
}
.banner .index_banner {
  width: 100%;
  height: 440px;
  overflow: hidden;
}
.banner .content {
  height: 440px;
  background: url('../img/3.png') no-repeat center center;
}
.banner .swiper-slide img {
  display: block;
  margin: 0 auto;
}
.swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.5);
  opacity: .8;
}
.swiper-pagination-bullet-active {
  background: #ffffff;
  opacity: 1;
}