/* banner start */

.banner {
  background-image: url("../imgs/service_banner.png");
  /* background-size: 100% 100%; */
  background-position: center;
}
.banner .layout {
  width: 1280px;
  left: calc(50% - 600px);
  height: 100%;
}
.page-tips {
  background-color: transparent;
}

.banner .layout .advisory {
  bottom: 49px;
  left: -99px;
  color: #fff;
}

.banner .layui-input-block {
  margin-left: 20px;
}

.banner .layout form .layui-form-select {
  width: calc(100% - 20px);
}

.banner .layout form .layui-input {
  width: 100%;
}

.banner .layout form .tips {
  text-align: center;
  color: #000000;
  line-height: 30px;
  margin-top: 10px;
}

.banner .layout form .layui-form-item {
  margin: 16px 0;
}

.banner .btns {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 353px;
  height: 141px;
  position: absolute;
  top: 145px;
  left: -250px;
}

.banner .btns .item {
  width: 110px;
  height: 40px;
  background-color: #ad0000;
  color: #fff;
  line-height: 40px;
  border: 2px solid #fff;
  text-align: center;
  cursor: pointer;
}

.banner .btns .item.active {
  color: #ffe400;
}

/* banner end */

.mod-0 {
  height: 279px;
  background-image: url("../imgs/service_mod_0.png");
  background-size: 100% 100%;
}

.mod-0-box {
  width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  position: relative;
}

.mod-0-box::before {
  content: "";
  position: absolute;
  left: -177px;
  bottom: 0;
  width: 167px;
  height: 205px;
  background-image: url("../imgs/service_mod_0_kedou.png");
}

.mod-0-box::after {
  content: "";
  position: absolute;
  right: -177px;
  bottom: 0;
  width: 167px;
  height: 205px;
  background-image: url("../imgs/service_mod_0_kedou.png");
  transform: rotateY(180deg);
}

.mod-0-box .item {
  width: 220px;
  padding: 0 10px;
  height: 200px;
  margin-top: 60px;
  box-sizing: border-box;
  border-right: 3px solid #dadada;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.mod-0-box .item:last-child {
  border-right: none;
}

.mod-0-box .item .mask {
  width: 217px;
  height: 145px;
  position: absolute;
  top: 202px;
  left: 0;
  background-color: RGBA(255, 112, 0, 0.8);
  transition: all 0.3s;
}

.mod-0-box .item .mask span {
  text-align: center;
  display: block;
  margin: 10px auto;
  line-height: 122px;
  font-size: 24px;
  width: 122px;
  height: 122px;
  color: #fff;
  border: 3px solid #fff;
  border-radius: 50%;
}

.mod-0-box .item:hover .mask {
  top: 55px;
}

.mod-0-box .item h3 {
  text-align: center;
  font-size: 38px;
  margin-bottom: 30px;
}

.mod-0-box .item h3 span {
  color: #ff7f1a;
}

.mod-0-box .item p {
  padding-left: 25px;
  font-size: 18px;
  line-height: 30px;
  color: #666;
  margin-bottom: 10px;
  position: relative;
}

.mod-0-box .item p::before {
  content: "";
  width: 8px;
  height: 8px;
  background-color: #ff7f1a;
  position: absolute;
  left: 0;
  top: 10px;
}

/* 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%;
  transition: all 0.3s;
}

.mod-1 .item img:hover {
  transform: scale(1.02);
}

.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-2 start */

.mod-2 {
  background-image: url("../imgs/service_mod_2_bg.png");
  background-position: center;
  height: 1504px;
  margin-top: 150px;
  padding-top: 811px;
  background-repeat: no-repeat;
  box-sizing: border-box;
}

.mod-2 .main {
  margin: 0 auto;
  width: 1248px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.mod-2 .main .item {
  margin: 0 auto;
  width: 304px;
  height: 158px;
  background-color: #fff;
  padding: 10px 20px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
  margin-bottom: 9px;
}

.mod-2 .main .item .p1 {
  font-size: 20px;
  color: #ff0000;
  line-height: 30px;
}

.mod-2 .main .item .p2 {
  font-size: 17px;
  color: #555;
  line-height: 30px;
}

.mod-2 .main .item .tag {
  display: inline-block;
  padding: 0 10px;
  font-size: 16px;
  color: #00aaff;
  line-height: 26px;
  height: 26px;
  border: 1px solid #00aaff;
}

.mod-2 .main .item .bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background-color: #f2f2f2;
  text-align: center;
  line-height: 40px;
  font-size: 16px;
}

.mod-2 .main .item .bottom span {
  color: #ff9c00;
  font-size: 22px;
}

.mod-2 .main .item .mask {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 158px;
  background-color: RGBA(255, 112, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
}

.mod-2 .main .item .mask span {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background-color: RGBA(255, 112, 0, 1);
  text-align: center;
  line-height: 40px;
  font-size: 16px;
  color: #fff;
}

.mod-2 .main .item:hover .mask {
  opacity: 1;
  visibility: inherit;
}

/* 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-image: url("../imgs/service_mod_5_bg.png");
  background-position: center;
  height: 1288px;
  padding-top: 350px;
  box-sizing: border-box;
}

.mod-5 .layout {
  width: 1204px;
  padding: 40px 75px 0;
  box-sizing: border-box;
  background-color: #d2d8e5;
}

.mod-5 .ctrl {
  width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.mod-5 .ctrl > div {
  width: 271px;
  height: 57px;
  border: 2px solid #ff7000;
  line-height: 55px;
  color: #ff7000;
  font-size: 30px;
  text-align: center;
  border-radius: 10px;
  background-color: #fff;
  transition: all 0.3s;
  cursor: pointer;
}

.mod-5 .ctrl > div:hover,
.mod-5 .ctrl .active {
  background-color: #ff7000;
  color: #fff;
}

.mod-5 .main {
  width: 1372px;
  height: 649px;
  background-image: url("../imgs/service_mod_5_bg2.png");
  margin: 50px auto 0;
  position: relative;
}

.mod-5 .main img {
  display: none;
}

.mod-5 .main .img1 {
  display: block;
  width: 100%;
}

.mod-5 .main .img2 {
  position: absolute;
  top: 30px;
  left: 42px;
}

.mod-5 .main .img3 {
  position: absolute;
  top: 32px;
  left: 58px;
}

.mod-5 .main .img4 {
  width: 100%;
}

/* 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;
}