@media (min-width: 768px) {
  .product-nav {
    width: 100%;
    z-index: 5;
    height: 0rem;
    line-height: 3rem;
    background-color: #c0c0c2;
    position: relative;
    font-family: "FZLTXHJW";
    transition: all .3s ease;
  }
  .nav-product-name {
    position: absolute;
    left: 2rem;
  }
  .nav-product-ul {
    height: 100%;
    line-height: 3rem;
    display: flex;
    position: absolute;
    right: 4rem;
  }
  .nav-product-ul li {
    padding: 0 2rem;
  }
  .nav-product-ul li span {
    padding: 0 .5rem;
    display: inline-block;
    height: 1.5rem;
    line-height: 1.5rem;
    border-radius: .75rem;
    cursor: pointer;
  }
  .nav-product-ul li span:hover {
    background-color: #1b57b1;
    color: #fff;
  }
  .free-customization-project .free-project-text {
    top: 15%;
    font-size: 1.4rem;
    color: #e9ae6e;
    font-family: "FZLTXHJW";
  }
  .free-customization-project .free-project-text .free-project-p {
    font-weight: bold;
    color: #e9ae6e;
  }
  .free-customization-project .free-project-text .title {
    font-size: 2.5rem;
    margin: 0.2em 0;
    font-family: "FZLTXHJW";
    font-weight: bold;
  }
  .free-customization-project .free-project-text .sub-title {
    color: #e9ae6e;
    font-family: "FZLTXHJW";
    font-size: 1.2rem;
  }
  .product-advantages {
    width: 100%;
    box-sizing: border-box;
    padding: 3.5rem 9rem 5.6rem;
  }
  .product-advantages .advantage {
    width: 32%;
  }
  .free-project-p {
    text-align: center;
    font-family: "FZLTXHJW";
  }
  .product1 {
    margin-bottom: 4.7rem;
  }
  .advantage-information {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .p-product {
    color: white;
    font-size: 2.5rem;
    text-align: center;
  }
  .ul-configuration {
    color: #fff;
    padding-top: 1.4rem;
    display: inline-block;
    width: 100%;
  }
  .configuration-information {
    padding: 2.5rem 6.3rem 1.7rem;
    background-color: rgba(28, 31, 37, 0.6);
    margin-bottom: 1.5rem;
    border-radius: 0.5rem;
  }
  .configuration-information .configuration-information-box {
    display: flex;
  }
  .configuration-information .configuration-information-box .information-box-left {
    width: 80%;
    display: flex;
    flex-direction: column;
  }
  .configuration-information .configuration-information-box .information-box-left .configuration-name {
    font-size: 1.4rem;
  }
  .configuration-information .configuration-information-box .information-box-left .configuration-details {
    margin-top: 2.8rem;
  }
  .configuration-information .configuration-information-box .information-box-left .configuration-details ul {
    display: flex;
    flex-wrap: wrap;
    transition: all .1s ease;
  }
  .configuration-information .configuration-information-box .information-box-left .configuration-details ul li {
    display: flex;
    flex-direction: column;
    -ms-flex-direction: column;
    flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    padding-right: 2.5rem;
    transition: all .1s ease;
  }
  .configuration-information .configuration-information-box .information-box-left .configuration-details ul li .top {
    width: 100%;
    display: inline-block;
    font-size: 0.7rem;
    font-family: "FZLTXHJW";
  }
  .configuration-information .configuration-information-box .information-box-left .configuration-details ul li .bottom {
    width: 100%;
    display: inline-block;
    margin-top: .4rem;
    color: #585b62;
    font-size: 0.8rem;
  }
  .configuration-information .configuration-information-box .information-box-right {
    width: 20%;
    display: inline-block;
  }
  .configuration-image {
    position: relative;
    padding-top: 70%;
  }
  .configuration-image > img {
    position: absolute;
    top: 50%;
    bottom: 0;
    right: 0;
    left: 0;
    width: auto;
    text-align: center;
    margin: 0 auto;
    transform: translateY(-50%);
    max-width: 100%;
    max-height: 100%;
  }
  .underline {
    margin-top: 0.3rem;
    width: 2.5rem;
    height: 2px;
    background-color: #e9ae6e;
  }
  .btn1 {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0);
    border: 1px solid #fff;
    color: #fff !important;
    font-size: 0.8rem;
    padding: 0.6rem 1.2rem;
    line-height: initial;
    border-radius: 2rem;
    transition: all .2s ease-out;
  }
  .btn1:hover {
    background: #fff;
    color: black !important;
  }
  .spread-all {
    text-align: center;
  }
  .spread-all .btn1 {
    padding: 0.7rem 2rem;
  }
  .product-details .ul-product-details {
    padding-top: 3.1rem;
  }
  .product-details .ul-product-details .specific-detail {
    margin-bottom: 1.5rem;
    position: relative;
  }
  .product-details .ul-product-details .specific-detail .specific-detail-text {
    position: absolute;
    top: 40%;
    left: 0;
    right: 0;
    margin: 0 auto;
    text-align: center;
  }
  .product-details .ul-product-details .specific-detail .specific-detail-text .specific-detail-title {
    font-size: 2.4rem;
    line-height: 1.5;
    color: #e9ae6e;
    letter-spacing: 0.04em;
  }
  .product-details .ul-product-details .specific-detail .specific-detail-text .specific-detail-title > .font-big {
    position: relative;
    font-size: 3rem;
  }
  .product-details .ul-product-details .specific-detail .specific-detail-text .specific-detail-title > .font-big::before {
    content: '';
    position: absolute;
    width: 4rem;
    height: 4rem;
    background: url(/assets/imgs/product/product-suolitu2/l1.png) no-repeat;
    background-size: 100% 100%;
    top: -2rem;
    left: -1rem;
  }
  .product-details .ul-product-details .specific-detail .specific-detail-text .specific-detail-title > .font-big::after {
    content: '';
    position: absolute;
    width: 4rem;
    height: 4rem;
    background: url(/assets/imgs/product/product-suolitu2/l2.png) no-repeat;
    background-size: 100% 100%;
    bottom: -1rem;
    right: -1rem;
  }
  .product-details .ul-product-details .specific-detail .specific-detail-text .specific-detail-p {
    font-size: 1.2rem;
    line-height: 1.4;
    color: #fff;
    margin-top: 1.5em;
  }
  .product-details .ul-product-details .specific-detail-1 .specific-detail-text {
    margin-left: 9%;
    top: 35%;
    text-align: left;
  }
  .product-details .ul-product-details .specific-detail-2 .specific-detail-text {
    margin-left: 0;
    top: 67%;
  }
  .product-details .ul-product-details .specific-detail-3 .specific-detail-text {
    margin-left: 40%;
    top: 50%;
    transform: translateY(-50%);
  }
  .product-details .ul-product-details .specific-detail-4 .icon-sun {
    width: 5rem;
  }
  .product-details .ul-product-details .specific-detail-4 .specific-detail-left .specific-detail-text {
    top: 50%;
    transform: translateY(-50%);
  }
  .product-details .ul-product-details .specific-detail-4 .specific-detail-left .specific-detail-p {
    color: #e9ae6e;
    font-size: 2rem;
  }
  .product-details .ul-product-details .specific-detail-4 .specific-detail-right .specific-detail-text {
    top: 28%;
  }
  .product-details .ul-product-details .specific-detail-4 .specific-detail-right .specific-detail-text .specific-detail-p {
    margin-top: 9.3rem;
  }
  .product-details .ul-product-details .detail-two {
    display: flex;
    justify-content: space-between;
  }
  .product-details .ul-product-details .detail-two > img {
    width: 49.2%;
  }
  .specific-detail-b {
    margin: 0 .09rem 0.31rem;
    font-size: 1.3rem;
  }
  .specific-detail-left,
  .specific-detail-right {
    position: relative;
    width: 49.11%;
  }
  .first-choice-swiper {
    margin-top: 1rem;
  }
  .first-choice {
    display: block;
    position: relative;
    padding: 2rem 9rem;
  }
  .first-choice img {
    border-radius: 1.1rem;
  }
  .product-btn {
    padding-top: 4rem;
    padding-bottom: 7rem;
  }
  .product-btn .btn1 {
    margin: 0 1.5rem;
  }
  .first-choice-a {
    position: absolute;
    bottom: 4.7rem;
    left: 0;
    right: 0;
    text-align: center;
  }
  .first-choice-p {
    color: #fff;
    font-size: 1.4rem;
    line-height: 1;
  }
  .first-choice-direction {
    width: 1.3rem;
    vertical-align: top;
    margin-left: 0.5rem;
  }
}

.ie9 .configuration-information .configuration-information-box {
  overflow: hidden;
}

.ie9 .configuration-information .configuration-information-box .information-box-left {
  float: left;
}

.ie9 .configuration-information .configuration-information-box .information-box-left .configuration-details ul li {
  display: inline-block;
}

.ie9 .configuration-information .configuration-information-box .information-box-right {
  float: right;
}