body {
  -moz-user-select: none;
  -webkit-user-select: none;
}

/* banner start */

.banner {
  background-image: url("../imgs/about_banner.png");
}

/* banner end */

/* mod-1 start */

.mod-1 {
  background-image: linear-gradient(#f9fafe 63%, #fff, 63%, #fff 37%);
  height: 834px;
  padding: 155px 0 149px;
  box-sizing: border-box;
}

.mod-1 .left {
  width: 530px;
  height: 530px;
}

.mod-1 .left img {
  width: 100%;
  height: 100%;
}

.mod-1 .right {
  width: calc(100% - 530px - 60px);
  height: 530px;
}

.mod-1 .right .text p {
  color: #262626;
  line-height: 40px;
  margin-bottom: 6px;
  text-indent: 30px;
  font-size: 15px;
}

.mod-1 .right .text p span {
  font-weight: 700;
}

.mod-1 .right .item {
  margin-top: 10px;
  height: 139px;
  padding-left: 10px;
  border-left: 1px solid #e8e8e8;
}

.mod-1 .right .item .icon {
  width: 37px;
  height: 37px;
}

.mod-1 .right :nth-child(1).item .icon {
  background-image: url("../imgs/about_mod1_1.png");
}

.mod-1 .right :nth-child(2).item .icon {
  background-image: url("../imgs/about_mod1_2.png");
}

.mod-1 .right :nth-child(3).item .icon {
  background-image: url("../imgs/about_mod1_3.png");
}

.mod-1 .right :nth-child(4).item .icon {
  background-image: url("../imgs/about_mod1_4.png");
}

.mod-1 .right .item h6 {
  font-size: 15px;
  line-height: 24px;
  margin: 10px 0;
  font-weight: 700;
}

.mod-1 .right .item p {
  color: #595959;
  line-height: 20px;
}

.mod-1 .right .item:hover {
  color: #ff8723;
}

.mod-1 .right .item:hover p {
  color: #ff8723;
}

.mod-1 .right :nth-child(1).item:hover .icon {
  background-image: url("../imgs/about_mod1_11.png");
}

.mod-1 .right :nth-child(2).item:hover .icon {
  background-image: url("../imgs/about_mod1_22.png");
}

.mod-1 .right :nth-child(3).item:hover .icon {
  background-image: url("../imgs/about_mod1_33.png");
}

.mod-1 .right :nth-child(4).item:hover .icon {
  background-image: url("../imgs/about_mod1_44.png");
}

/* mod-1 end */

/* mod-2 start */

.mod-2 {
  background-image: url("../imgs/about_mod_2_bg.png");
  height: 741px;
  padding: 60px 100px;
  box-sizing: border-box;
}

.mod-2 .layout {
  padding: 0 140px;
  box-sizing: border-box;
}

.mod-2 .ctrl {
  margin-top: 20px;
  border-bottom: 1px solid #7c7c7c;
}

.mod-2 .item {
  width: 66px;
  height: 145px;
  text-align: center;
  color: #c5c5c5;
  line-height: 34px;
  letter-spacing: 1px;
  padding-bottom: 45px;
  margin: 0 auto;
  box-sizing: border-box;
  cursor: pointer;
}

.mod-2 .item.active,
.mod-2 .item:hover {
  border-bottom: 1px solid #ff8723;
}

.mod-2 .item .icon {
  width: 66px;
  height: 66px;
  margin: 0 auto;
}

.mod-2 :nth-child(1).item .icon {
  background-image: url("../imgs/about_mod2_1.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(2).item .icon {
  background-image: url("../imgs/about_mod2_2.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(3).item .icon {
  background-image: url("../imgs/about_mod2_3.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(4).item .icon {
  background-image: url("../imgs/about_mod2_4.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(5).item .icon {
  background-image: url("../imgs/about_mod2_5.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(1).item.active .icon,
.mod-2 :nth-child(1).item:hover .icon {
  background-image: url("../imgs/about_mod2_11.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(2).item.active .icon,
.mod-2 :nth-child(2).item:hover .icon {
  background-image: url("../imgs/about_mod2_22.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(3).item.active .icon,
.mod-2 :nth-child(3).item:hover .icon {
  background-image: url("../imgs/about_mod2_33.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(4).item.active .icon,
.mod-2 :nth-child(4).item:hover .icon {
  background-image: url("../imgs/about_mod2_44.png");
  background-size: 100% 100%;
}

.mod-2 :nth-child(5).item.active .icon,
.mod-2 :nth-child(5).item:hover .icon {
  background-image: url("../imgs/about_mod2_55.png");
  background-size: 100% 100%;
}

.mod-2 .content {
  margin-top: 48px;
}

.mod-2 .item2 {
  width: 179px;
  height: 280px;
  background-color: #fff;
  padding: 32px 26px;
  box-sizing: border-box;
  position: relative;
  border-radius: 4px;
}

.mod-2 .item2:hover {
  background-color: #ff8723;
}

.mod-2 .item2 .icon {
  width: 66px;
  height: 66px;
}

.mod-2 :nth-child(1).item2 .icon {
  background-image: url("../imgs/num_11.png");
}

.mod-2 :nth-child(2).item2 .icon {
  background-image: url("../imgs/num_22.png");
}

.mod-2 :nth-child(3).item2 .icon {
  background-image: url("../imgs/num_33.png");
}

.mod-2 :nth-child(4).item2 .icon {
  background-image: url("../imgs/num_44.png");
}

.mod-2 :nth-child(1).item2:hover .icon {
  background-image: url("../imgs/num_1.png");
}

.mod-2 :nth-child(2).item2:hover .icon {
  background-image: url("../imgs/num_2.png");
}

.mod-2 :nth-child(3).item2:hover .icon {
  background-image: url("../imgs/num_3.png");
}

.mod-2 :nth-child(4).item2:hover .icon {
  background-image: url("../imgs/num_4.png");
}

.mod-2 .item2 h6 {
  color: #262626;
  font-size: 15px;
  margin: 20px 0 10px;
}

.mod-2 .item2:hover h6 {
  color: #fff;
}

.mod-2 .item2 p {
  color: #8c8c8c;
  font-size: 14px;
  line-height: 24px;
}

.mod-2 .item2:hover p {
  color: #fff;
}

.mod-2 .arrow {
  position: absolute;
  left: 26px;
  bottom: 18px;
  width: 22px;
  height: 10px;
  background-image: url("../imgs/arr_left.png");
}

.mod-2 .item2:hover .arrow {
  background-image: url("../imgs/arr_right.png");
}

/* mod-2 end */