/* banner start */

.banner {
  background-image: url("../imgs/chemistry_banner.png");

  background-size: 100% 100%;
  background-position: inherit;
}
.page-tips{
  background-color: #8A5E48;
}
.banner .layout form .layui-form-label {
  padding: 9px 0px 9px 20px;
  width: 90px;
}

.banner .layout .advisory {
  bottom: 49px;
  left: -360px;
  color: #fff;
  /* background-color: #ff801b; */
}



/* banner end */

/* mod-1 start */

.mod-1 {
  background-color: #fff;
  /* height: 640px; */
  padding: 60px 0 20px;
  box-sizing: border-box;
}

.mod-1 .item {
  width: 291px;
  height: 354px;
  margin-top: 35px;
  box-sizing: border-box;
  position: relative;

}

.mod-1 .item img {
  width: 100%;
  height: 100%;
}

.mod-1 .item .text {
  position: absolute;
  top: 194px;
  width: 100%;
  text-align: center;
}

.mod-1 .item h3 {
  line-height: 40px;
  margin-top: 10px;
  font-size: 22px;
  color: #333;
  font-weight: 700;
}

.mod-1 .item p {
  color: #999;
  font-size: 16px;
  line-height: 40px;
}

.mod-1 .item a {
  margin-top: 10px;
  width: 152px;
  height: 40px;
  line-height: 40px;
  background-color: #ff801b;
  border-radius: 20px;
  color: #fff;
  display: inline-block;
  font-size: 18px;
}

/* .mod-1 {
  background-image: url("../imgs/account_mod_bg.png");
  height: 730px;
  padding-top: 40px;
  box-sizing: border-box;
}

.mod-1 .layout {
  border: 1px dashed #ff801b;
  margin-top: 30px;
  position: relative;
}

.mod-1 .layout .man {
  position: absolute;
  bottom: 0;
  right: 50px;
}

.mod-1 .item {
  height: 60px;
  line-height: 60px;
  color: #333;
}

.mod-1 .item:nth-child(odd) {
  background-color: #fff;
}

.mod-1 .item:nth-child(even) {
  background-color: #f5f5f5;
}

.mod-1 .item span {
  width: 22px;
  height: 22px;
  background-color: #ff801b;
  border-radius: 50%;
  line-height: 22px;
  display: inline-block;
  margin: 0 20px;
  color: #fff;
  text-align: center;
  font-size: 14px;
}

.mod-1 .item p {
  font-weight: 700;
  font-size: 16px;
  display: inline-block;
} */

/* mod-1 end */

/* mod-2 start */

.mod-2 {
  background-image: url("../imgs/index_mod_2_bg.png");
  height: 770px;
}

.mod-2 img {
  margin-top: 64px;
}

.mod-2 .layout {
  position: relative;
}

.mod-2 .layout .tel {
  position: absolute;
  bottom: 104px;
  right: 336px;
  font-size: 20px;
  color: #fff;
}

/* mod-2 end */

/* mod-3 start */

.mod-3 {
  background-color: #f9fafe;
  height: 392px;
  padding-top: 40px;
  box-sizing: border-box;
}

.mod-3 .item {
  margin-top: 40px;
  width: 224px;
  height: 164px;
  border-radius: 10px;
  background-color: #fff;
  text-align: center;
  color: #999;
  font-size: 16px;
  box-shadow: 0px 0px 15px 0px rgba(185, 185, 185, 0.25);
}

.mod-3 .item img {
  width: 54px;
  height: 54px;
  margin: 40px 0 18px;
}

/* mod-3 end */

/* mod-4 start */

.mod-4 {
  background-image: url("../imgs/chemistry_mod_4_bg.png");
  height: 516px;
  padding-top: 40px;
  box-sizing: border-box;
}

.mod-4 .swiper-container {
  width: 100%;
  height: 240px;
  margin-top: 10px;
}

.mod-4 .swiper-slide {
  text-align: center;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 0.3s;
  transform: scale(0.8);
}

.mod-4 .swiper-slide img {
  width: 100%;
}

/* .mod-4 .swiper-slide-active,
.mod-4 .swiper-slide-duplicate-active {
  transform: scale(1);
  z-index: 10;
} */

/* mod-4 end */

/* mod-5 start */

.mod-5 {
  background-color: #fff;
  padding: 60px 0 60px;
  box-sizing: border-box;
}

.mod-5 .layout {
  width: 1204px;
  padding: 40px 75px 0;
  box-sizing: border-box;
  background-color: #D2D8E5;
}

.mod-5 .ctrl>div {
  background-color: #fff;
  line-height: 95px;
  color: #000;
  text-align: center;
  font-size: 25px;
  width: 100%;
  border: 1px solid #000;
  border-right: none;
  cursor: pointer;
  font-weight: 700;
}

.mod-5 .ctrl .active {
  background-color: #FF9948;
}

.mod-5 .main {
  background-image: url('../imgs/chemistry_mod_5_bg.png');
  background-repeat: no-repeat;
  padding: 110px 48px 40px;
  position: relative;
}

.mod-5 .main .content {
  display: none;
}

.mod-5 .main .content.active {
  display: block;
}

.mod-5 .main img {
  position: absolute;
  bottom: 0;
  right: -38px;
}

.mod-5 .main h5 {
  font-size: 32px;
  line-height: 85px;
}

.mod-5 .main p {
  font-size: 20px;
  line-height: 40px;
  text-indent: 30px;
  position: relative;
  max-width: 783px;
}

.mod-5 .main p::before {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  background-color: #F39800;
  border-radius: 50%;
  top: 20px;
  left: 0;
}

.mod-5 .ctrl>div:nth-last-child(1) {
  border-right: 1px solid #000;
}

/* mod-5 end */


.qa {
  background-color: #F0E5DB;
  padding-bottom: 30px;
}

.qa .pic {
  position: relative;
  height: 763px;
}

.qa .pic img {
  position: absolute;
  top: -10px;
}

#tplView,
.t-promise {
  background-image: none;
}

.t-promise {
  padding-top: 40px;
  padding-bottom: 60px;
}

#tplView::before,
.t-promise::after,
.t-promise::before {
  width: 0;
  height: 0;
}

.t-promise .promise-list {
  margin-top: 50px;
}