.product_list .swiper_btn {
  display: flex;
  height: 40px;
  align-items: center;
}

@media screen and (max-width: 640px) {
  .product_list .swiper_btn {
    height: 32px;
  }
}

.product_list .swiper-button-next,
.product_list .swiper-button-prev {
  width: 40px;
  height: 40px;
  background-color: #dbdbdb;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 35%;
  position: static;
  transition: all 0.36s;
  margin-top: 0;
  margin-left: 18px;
  outline: none;
}

@media screen and (max-width: 640px) {

  .product_list .swiper-button-next,
  .product_list .swiper-button-prev {
    width: 32px;
    height: 32px;
  }
}

.product_list .swiper-button-next:hover,
.product_list .swiper-button-prev:hover {
  background-color: #004882;
}

.product_list .swiper-button-prev {
  background-image: url(../images/prev2.svg) !important;
}

.product_list .swiper-button-next {
  background-image: url(../images/next2.svg) !important;
}

.product_list .title_box.wrap {
  max-width: 1450px;
  width: 90%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding:49px 0;
  position: relative;
}

@media screen and (max-width: 1450px) {
  .product_list .title_box.wrap {
    padding: 64px 0;
  }
}

@media screen and (max-width: 1200px) {
  .product_list .title_box.wrap {
    padding: 52px 0;
  }
}

@media screen and (max-width: 1000px) {
  .product_list .title_box.wrap {
    padding: 44px 0;
  }
}

@media screen and (max-width: 750px) {
.product_list .title_box.wrap{width:95%;}
  .product_list .title_box.wrap {
    padding: 32px 0;
  }
}

.product_list .title_box.wrap h3 {
  font-size: 36px;
  color: #000000; font-weight:bold;
}.product_list .title_box.wrap h3 span{ color:#004e9e}

@media screen and (max-width: 1450px) {
  .product_list .title_box.wrap h3 {
    font-size: 26px;
  }
}

@media screen and (max-width: 1200px) {
  .product_list .title_box.wrap h3 {
    font-size: 24px;
  }
}

@media screen and (max-width: 1000px) {
  .product_list .title_box.wrap h3 {
    font-size: 22px;
  }
}

@media screen and (max-width: 750px) {
  .product_list .title_box.wrap h3 {
    font-size: 20px;
  }
}

.product_list .pro_swiper {
  padding: 0 80px;
  overflow: hidden;
}

@media screen and (max-width: 1700px) {
  .product_list .pro_swiper {
    padding: 0 5%;
  }
}

.product_list .pro_swiper .swiper-container {
  overflow: visible;
}

.product_list .pro_swiper .swiper-slide {
  max-width: 306px;
  width: 80%;
  margin-right: 36px;
}

@media screen and (max-width: 640px) {
  .product_list .pro_swiper .swiper-slide {
    margin-right: 12px;
  }
}

.product_list .pro_swiper .swiper-slide a {
  display: block;
  width: 100%;
}

.product_list .pro_swiper .swiper-slide a .img_box {
  width: 100%;
  padding-top: 100%;
  position: relative;
  overflow: hidden;
}

.product_list .pro_swiper .swiper-slide a .img_box img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  object-fit: cover;
  transition: all 0.6s;
}

.product_list .pro_swiper .swiper-slide a h4 {
  font-size: 18px;
  color: #004882;
  padding: 22px 25px;
  text-align: center;
}

.product_list .pro_swiper .swiper-slide:hover .img_box img {
  transform: scale(1.1);
}

.product_list .pro_swiper .swiper-slide:hover .img_box img:nth-child(2) {
  opacity: 1;
}


.index_solve_box {
  overflow: hidden;
  position: relative; width:100%; 
}

.index_solve_box .bg_box img {
  width: 100%;
  max-height: 100vh;
  min-height: 400px;
  object-fit: cover;
}

.swiper-container.index_solve {
  overflow: visible;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.swiper-container.index_solve li {
  width: 90%;
  max-width: 450px;
  position: relative;
  height: 100%;
  display: inline-block;
  z-index: 1;
}

.swiper-container.index_solve li:hover {
  z-index: 2;
}

.swiper-container.index_solve li .img_box2 {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s;
}

.swiper-container.index_solve li .img_box2 .ratio2 {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.swiper-container.index_solve li .img_box2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: all 0.6s;
}

.swiper-container.index_solve li:hover .img_box2 {
  box-shadow: 0px 29px 40px 0px rgba(59, 59, 59, 0.57);
}

@media screen and (min-width: 751px) {
  .swiper-container.index_solve li:hover .img_box2 {
    width: 150%;
  }

  .swiper-container.index_solve li:hover .img_box2 img {
    transform: scale(1.1);
  }
}

.swiper-container.index_solve li .text_box {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 75px 52px;
  transition: all 0.6s;
}

.swiper-container.index_solve li .text_box h3 {
  color: #fff;
}

.swiper-container.index_solve li:hover .text_box {
  background: transparent;
}

@media screen and (min-width: 751px) {
  .swiper-container.index_solve li:hover .text_box {
    width: 150%;
  }
}