body {
  background: #fff;
}
.header {
  width: 100%;
  height: 86px;
  border-bottom: 1px solid #f2f2f2;
  background: #fff;
  overflow: hidden;
}
.header .logo {
  float: left;
  margin-top: 4px;
}
.header .logo a {
  display: block;
}
.header .logo a span {
  font-size: 0;
}
.header .sub-logo {
  float: left;
  line-height: 86px;
  font-size: 18px;
  color: #f00;
}
.header .nav {
  float: left;
  margin-left: 30px;
}
.header .nav li {
  float: left;
  margin-right: 13px;
  border-top: 4px solid transparent;
}
.header .nav li.active {
  border-top-color: #f00;
}
.header .nav li.active a {
  color: #f00;
}
.header .nav li:hover {
  border-top-color: #f00;
}
.header .nav li:hover a {
  color: #f00;
}
.header .nav li a {
  display: block;
  padding: 33px 10px;
  font-size: 16px;
}
.index-why .wrap {
  width: 1024px;
}
.index-why .wrap .mod {
  margin-top: 40px;
}
.index-why .wrap .mod .mod-title {
  font-size: 24px;
  text-align: center;
}
.index-why .wrap .mod .mod-line {
  position: relative;
  margin: 30px 0;
  width: 100%;
  border-bottom: 1px solid #a0a0a0;
}
.index-why .wrap .mod .mod-line i {
  position: absolute;
  left: 50%;
  top: -18px;
  margin-left: -15px;
  font-size: 36px;
  background: #fff;
  color: #a0a0a0;
}
.index-why .wrap .mod .mod-l {
  float: left;
  width: 512px;
}
.index-why .wrap .mod .mod-r {
  float: left;
  box-sizing: border-box;
  padding-left: 14px;
  width: 512px;
}
.index-why .wrap .mod .mod-r p {
  line-height: 22px;
  font-size: 14px;
  color: #666;
}
.index-why .wrap .mod .mod-num-list .mod-num-item {
  float: left;
  margin-right: 14px;
  width: 240px;
  height: 110px;
  font-size: 14px;
  border: 1px solid #a0a0a0;
  text-align: center;
}
.index-why .wrap .mod .mod-num-list .mod-num-item:last-child {
  margin-right: 0;
}
.index-why .wrap .mod .mod-num-list .mod-num-item span {
  display: block;
  margin-top: 7px;
  font-size: 55px;
  color: #f00;
}
.index-why .wrap .mod .mod-products-list .mod-product-item {
  position: relative;
  float: left;
  margin-right: 24px;
  margin-bottom: 20px;
  width: 500px;
  height: 200px;
  overflow: hidden;
}
.index-why .wrap .mod .mod-products-list .mod-product-item:hover .mod-layout {
  left: 0;
}
.index-why .wrap .mod .mod-products-list .mod-product-item:nth-child(2n) {
  margin-right: 0;
}
.index-why .wrap .mod .mod-products-list .mod-product-item img {
  display: block;
  width: 100%;
  height: 100%;
}
.index-why .wrap .mod .mod-products-list .mod-product-item .name {
  position: absolute;
  bottom: 0;
  left: 0;
  display: block;
  width: 100%;
  line-height: 35px;
  font-size: 24px;
  background: rgba(157,42,37,0.7);
  text-align: center;
  color: #fff;
}
.index-why .wrap .mod .mod-products-list .mod-product-item .mod-layout {
  position: absolute;
  left: -100%;
  top: 0;
  z-index: 20;
  width: 100%;
  height: 100%;
  text-align: center;
  background-image: linear-gradient(top, rgba(232,7,7,0.43) 0%, rgba(232,7,7,0.43) 100%);
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, rgba(232,7,7,0.43)), color-stop(1, rgba(232,7,7,0.43)));
  background-image: -webkit-linear-gradient(top, rgba(232,7,7,0.43) 0%, rgba(232,7,7,0.43) 100%);
  background-image: -moz-linear-gradient(top, rgba(232,7,7,0.43) 0%, rgba(232,7,7,0.43) 100%);
  background-image: -ms-linear-gradient(top, rgba(232,7,7,0.43) 0%, rgba(232,7,7,0.43) 100%);
  background-image: -o-linear-gradient(top, rgba(232,7,7,0.43) 0%, rgba(232,7,7,0.43) 100%);
  overflow: hidden;
  transition: all 1s;
  -moz-transition: all 1s;
  -webkit-transition: all 1s;
  -o-transition: all 1s;
}
.index-why .wrap .mod .mod-products-list .mod-product-item .mod-layout .mod-layout-more {
  margin-top: 60px;
}
.index-why .wrap .mod .mod-products-list .mod-product-item .mod-layout .mod-layout-more a {
  display: inline-block;
  margin-bottom: 10px;
  width: 50px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
  color: rgba(232,7,7,0.43);
}
.index-why .wrap .mod .mod-products-list .mod-product-item .mod-layout .mod-layout-more a:hover {
  background: rgba(255,255,255,0.8);
}
.index-why .wrap .mod .mod-products-list .mod-product-item .mod-layout .mod-layout-more a:first-child i {
  margin-left: 12px;
}
.index-why .wrap .mod .mod-products-list .mod-product-item .mod-layout .mod-layout-more a i {
  display: block;
  font-size: 18px;
}
.index-why .wrap .mod .mod-products-list .mod-product-item .mod-layout .mod-layout-title {
  font-size: 16px;
  color: #fff;
}
.index-why .wrap .mod .certificate-list li {
  float: left;
  margin-right: 14px;
  cursor: pointer;
}
.index-why .wrap .mod .certificate-list li:last-child {
  margin-right: 0;
}
.index-why .wrap .mod .certificate-list li:hover .certificate-item-wrap::before {
  opacity: 1;
}
.index-why .wrap .mod .certificate-list li:hover img {
  transform: perspective(1000px) scale(1.03);
}
.index-why .wrap .mod .certificate-list li .certificate-item-wrap {
  position: relative;
  border: 1px solid #e9eaee;
}
.index-why .wrap .mod .certificate-list li .certificate-item-wrap::before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  content: '';
  transition: opacity 0.35s;
  -webkit-transition: opacity 0.35s;
  -moz-transition: opacity 0.35s;
  -m-transition: opacity 0.35s;
  box-shadow: 0 3px 15px rgba(0,0,0,0.4);
  opacity: 0;
}
.index-why .wrap .mod .certificate-list li .certificate-item-wrap img {
  width: 100%;
  height: 100%;
}
.index-why .wrap .mod .mod-contact {
  padding: 28px 28px 27px 31px;
  margin-bottom: 50px;
  background: #f6f6f6;
  border: 1px solid #f6f6f6;
  border-left-width: 3px;
  border-left-color: #f00;
}
.index-why .wrap .mod .mod-contact .mod-contact-l {
  float: left;
}
.index-why .wrap .mod .mod-contact .mod-contact-l h3 {
  font-size: 18px;
  line-height: 1.5;
  font-weight: normal;
}
.index-why .wrap .mod .mod-contact .mod-contact-l h3 span {
  font-weight: bold;
}
.index-why .wrap .mod .mod-contact .mod-contact-l p {
  margin-top: 10px;
  font-size: 14px;
  color: #747474;
}
.index-why .wrap .mod .mod-contact .mod-contact-r {
  float: right;
}
.index-why .wrap .mod .mod-contact .mod-contact-r a {
  display: block;
  padding: 13px 29px;
  line-height: 17px;
  font-size: 14px;
  background: #e80707;
  color: #fff;
  border-radius: 6px;
}
.index-why .wrap .mod .mod-contact .mod-contact-r a:hover {
  background: rgba(247,146,103,0.95);
}
.foot {
  padding: 43px 0 40px;
  background-color: #363839;
  border-color: #e9eaee;
  border-top-width: 12px;
  background-image: url("../images/footer-bg.jpg");
  background-repeat: no-repeat;
  background-position: center center;
}
.foot .wrap {
  width: 1024px;
}
.foot .wrap dl {
  float: left;
  width: 240px;
  height: 150px;
}
.foot .wrap dl dt {
  margin-bottom: 25px;
  font-size: 18px;
  color: #bfbfbf;
}
.foot .wrap dl dd {
  line-height: 22px;
  color: #bfbfbf;
}
.foot .wrap dl dd a {
  color: #bfbfbf;
  font-size: 14px;
}
.foot .wrap dl dd a:hover {
  color: #f00;
}
.foot .wrap dl:first-child {
  margin-right: 75px;
}
.foot .wrap dl:last-child {
  width: 469px;
}
.foot .wrap dl:last-child dd {
  display: inline-block;
  margin-right: 10px;
  margin-bottom: 10px;
}
.foot .wrap dl:last-child dd .form input {
  width: 290px;
  padding-left: 10px;
  height: 30px;
  line-height: 30px;
  color: #101114;
  background: #c3c1c0;
  border: 1px solid #ccc;
}
.foot .wrap dl:last-child dd .form .btn-sub {
  display: inline-block;
  padding: 7px 40px;
  cursor: pointer;
  border: 1px solid #fff;
  background: none;
  color: #fff;
}
.footer {
  width: 100%;
  height: 50px;
  line-height: 50px;
  background: #282a2b;
}
.footer .wrap {
  width: 1024px;
}
.footer .wrap p {
  color: #8c8c8c;
}
.photo-layout {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.9);
  z-index: 1000;
  overflow: hidden;
}
.photo-layout .photo-box {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -225px;
  margin-left: -407px;
}
.photo-layout .photo-box .photo-close {
  position: absolute;
  top: -40px;
  right: -40px;
  display: block;
  font-size: 36px;
  cursor: pointer;
}
.goTop {
  display: none;
  position: fixed;
  right: 30px;
  bottom: 0px;
  width: 50px;
  height: 50px;
  line-height: 50px;
  background: #7a6e6e;
  text-align: center;
  color: #f00;
}
.goTop:hover {
  background: #f00;
  color: #fff;
}
.goTop i {
  font-size: 18px;
}