.class-box {
  box-sizing: border-box;
  padding: 0 20px;
  padding-bottom: 29px;
}
.class-box .class-item {
  font-family: 'Roboto';
  /* font-weight: 300; */
  font-size: 13px;
  color: #1D1D1F;
  margin-right: 75px;
  cursor: pointer;
  /* min-width: 150px; */
  height: 30px;
}
.class-box .class-item.on {
  font-weight: 500;
  font-size: 16px;
  color: #FF5C17;
}
.section1 {
  background: #FFFFFF;
}
.section .title {
  font-family: 'Roboto';
  font-weight: bold;
  font-size: 20px;
  color: #353535;
  text-align: center;
  padding: 29px 0;
}
.section2 {
  background: #f7f8fb;
}
.section2 .hot-box {
  /* max-width: 1440px; */
  margin: 0 40px 0 40px;
  padding: 44px 0 11px 0;
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
}
.hot-box .item {
  cursor: pointer;
  /* width: calc((100% - 14px) / 2);
  margin-left: 14px; */
  border-radius: 30px;
  overflow: hidden;
  transform: scale(0.8);
  box-shadow: 0px 0px 7px 0px rgba(0,0,0,0.05);
  transition: transform 0.5s cubic-bezier(.22,1,.36,1);
  transform-origin: center;
}
.hot-box .item:first-child {
  margin-left: 0;
}
.hot-box .item img {
  width: 100%;
}
.hot-box .swiper-slide-active,.hot-box .swiper-slide-duplicate-active {
  transform: scale(1);
}
.hot-box .item.off {
  transform: scale(0.8);
}
.hot-box .item.on {
  transform: scale(1) !important;
}
.hot-btns.pc {
  width: 92%;
  height: 0;
  position: absolute;
  transform: translateY(-54%);
  top: 54%;
  left: 4%;
  z-index: 2;
  display: flex;
}
.hot-btns div {
  width: 28px;
  height: 28px;
  cursor: pointer;
  border-radius: 50%;
  overflow: hidden;
}
.hot-prev {
  margin-right: 15px;
  background: url(../images/product/p_prev.png) no-repeat;
  background-size: cover;
}
.hot-next {
  background: url(../images/product/p_next.png) no-repeat;
  background-size: cover;
}
.search-box {
  width: 120px;
  height: 27px;
  background: #E8EAEE;
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  margin-left: 15px;
}
.search-box img {
  width: auto;
  height: 15px;
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
}
.search-box input {
  width: 100%;
  height: 100%;
  padding: 0 12px 0 35px;
  box-sizing: border-box;
  font-size: 13px;
  background: #E8EAEE;
}
.search-box input::placeholder {
  color: #616161;
}
.tabs-box {
  padding-bottom: 29px;
  max-width: 1200px;
  margin: 0 auto;
}
.tab-item {
  font-family: 'Roboto';
  font-weight: 400;
  font-size: 12px;
  color: #353535;
  margin-left: 65px;
  cursor: pointer;
  padding: 0 10px;
  padding-bottom: 10px;
  /* white-space: nowrap; */
  border-bottom: 2px solid transparent;
}
.tab-item:first-child {
  margin-left: 0;
}
.tab-item.on {
  /* font-weight: 500;
  font-size: 16px;
  color: #FF5C17; */
  border-bottom: 2px solid #3A3A3A;
}
.list {
  padding: 0 20px;
  box-sizing: border-box;
  width: auto;
  grid-template-columns: repeat(3, minmax(0, 390px));
  gap: 15px;
  display: grid;
  justify-content: center;
  min-height: 600px;
  /* padding-bottom: 40px; */
}
.list .item {
  margin-bottom: 25px;
}
.list .item .img-box {
  height: 370px;
  background: #FFFFFF;
  box-shadow: 0px 0px 7px 0px rgba(0,0,0,0.05);
  border-radius: 30px;
  overflow: hidden;
  position: relative;
}
.list .item .img-box:hover .item-prev,.list .item .img-box:hover .item-next {
  display: block;
}
.list .item .item-prev,.list .item .item-next {
  width: 28px;
  height: 28px;
  cursor: pointer;
  border-radius: 50%;
  overflow: hidden;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  transition: all 0.5s linear;
}
.list .item .item-prev {
  background: url(../images/product/icon_prev.png) no-repeat;
  background-size: cover;
  left: 20px;
}
.list .item .item-next {
  background: url(../images/product/icon_next.png) no-repeat;
  background-size: cover;
  right: 20px;
}
.list .item .img-box img {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(1);
  transition: transform .3s cubic-bezier(0,0,.5,1);
}
.list .item .img-box img.on {
  display: block;
}
.list .item .img-box img:hover {
  transform: translate(-50%, -50%) scale(1.016);
}
.list .item .dots {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 21px;
}
.list .item .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid #0F0F0F;
  margin-left: 7px;
  cursor: pointer;
}
.list .item .dot:first-child {
  margin-left: 0;
}
.list .item .dot.on {
  background: #E5671E;
  border: 1px solid #E5671E;
}
.item-info * {
  text-align: center;
}
.item-info .name {
  font-family: 'Roboto';
  font-weight: 500;
  font-size: 18px;
  color: #1D1D1F;
  padding: 24px 0;
}
.item-info .slogan1 {
  font-family: 'Roboto';
  font-weight: 400;
  font-size: 14px;
  color: #353535;
  padding-bottom: 5px;
  height: 25px;
  box-sizing: border-box;
}
.item-info .slogan2 {
  font-family: 'Roboto';
  font-weight: 300;
  font-size: 12px;
  color: #353535;
  height: 20px;
  box-sizing: border-box;
}
.item-info .button {
  width: 94px;
  height: 32px;
  line-height: 32px;
  background: #FF5C17;
  border-radius: 16px;
  display: block;
  margin: 0 auto;
  font-family: 'Roboto';
  font-weight: 300;
  font-size: 14px;
  color: #FFFFFF;
  cursor: pointer;
  margin-top: 30px;
}
.section2 .title {
  padding-top: 58px;
}
.section2 .c-box {
  width: calc(100% - 135px);
}
.section2 .l-box {
  border-bottom: 1px solid #CDCED2;
  padding-left: 160px;
  /* overflow-x: auto; */
}
.child-tab {
  padding-top: 20px;
  padding-bottom: 10px;
  padding-left: 160px;
  display: none;
  /* flex-wrap: wrap; */
  /* display: grid; */
  grid-template-columns: repeat(auto-fit, minmax(100px, auto));
  row-gap: 15px;
  column-gap: 39px;
  justify-content: center;
}
.c-tab-item {
  font-family: 'Roboto';
  font-weight: 400;
  font-size: 12px;
  color: #7E7E7E;
  cursor: pointer;
}
.c-tab-item:last-child {
  margin-right: -39px;
}
.c-tab-item.on {
  /* color: #1D1D1F; */
  color: #FF5C17;
  /* font-weight: bold; */
}
.child-tab img {
  width: 19px;
  max-height: 19px;
  height: auto;
  margin-right: 7px;
}

@media (max-width: 1100px) {
  .list .item .img-box {
    height: 280px;
  }
}

/* 移动端 */
@media (max-width: 800px) {
  .hot-btns.pc {
    display: none;
  }
  .section2 .hot-box {
    width: 100%;
    margin: 0;
    padding-left: 20px;
    padding-right: 20px;
  }
  .hot-btns {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 20px;
    padding-top: 10px;
  }
  .hot-box .item {
    border-radius: 15px;
    transform: scale(1);
    box-shadow: none;
  }
  .hot-btns div {
    width: 30px;
    height: 30px;
    cursor: pointer;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    transform: translateY(0);
    top: auto;
    left: auto;
  }
  .hot-prev {
    margin-right: 15px;
    background: url(../images/product/icon_prev.png) no-repeat;
    background-size: cover;
  }
  .hot-next {
    background: url(../images/product/icon_next.png) no-repeat;
    background-size: cover;
  }
  /* .c-box {
    overflow: hidden;
    height: 35px;
    margin: 0 15px;
    background: #eee;
    border-radius: 20px;
    margin-bottom: 15px;
  }
  .c-box2 {
    width: 100%;
    height: 30px;
  }
  .class-box {
    width: 100%;
    overflow-x: auto;
    box-sizing: border-box;
    justify-content: flex-start;
  }
  .class-box .class-item {
    width: auto;
    min-width: auto;
    white-space: nowrap;
    margin-right: 55px;
  }
  .tabs-box {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .tabs-box .l-box {
    width: 100%;
    overflow-x: auto;
    box-sizing: border-box;
    justify-content: flex-start;
    padding: 0 20px;
    padding-bottom: 20px;
  }
  .tab-item {
    width: auto;
    min-width: auto;
    white-space: nowrap;
    margin-left: 40px;
  } */
  .section2 .c-box {
    width: 100%;
  }
  .class-box {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 0 5%;
    padding-bottom: 30px;
  }
  .class-box .class-item {
    font-weight: 500;
    font-size: 14px;
    margin-right: 0;
    width: 55%;
    justify-content: flex-start;
  }
  .class-box .class-item:nth-child(2n) {
    width: auto;
  }
  .tabs-box {
    flex-wrap: wrap;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .tab-item {
    margin-left: 30px;
    padding: 0 2px 10px 2px;
  }
  .s-mobile-tit {
    font-family: 'Roboto';
    font-weight: bold;
    font-size: 14px;
    color: #1D1D1F;
    text-align: center;
    padding: 25px 0 15px 0;
  }
  .search-box {
    width: calc(100% - 70px);
    margin-left: 0;
    border-radius: 6px;
  }
  .search-box input {
    background: #fff;
  }
  .list {
    grid-template-columns: repeat(2, minmax(0, 49%));
    padding-top: 20px;
    gap: 10px;
  }
  .list .item .img-box {
    height: 180px;
    border-radius: 15px;
  }
  .item-info .name {
    padding: 14px 0;
  }
  .item-info .button {
    width: 90px;
    height: 30px;
    line-height: 30px;
    margin-top: 20px;
    border-radius: 10px;
  }
  .section2 .l-box {
    padding-left: 0;
  }
  .child-tab {
    column-gap: 20px;
    padding-left: 0;
  }
  .c-tab-item:last-child {
    margin-right: -20px;
  }
  .list .item .item-prev,.list .item .item-next {
    width: 20px;
    height: 20px;
  }
  .list .item .item-prev {
    background: url(../images/product/icon_prev.png) no-repeat;
    background-size: cover;
    left: 10px;
  }
  .list .item .item-next {
    background: url(../images/product/icon_next.png) no-repeat;
    background-size: cover;
    right: 10px;
  }
}