.nav>div>ul>li:nth-of-type(2)>div:first-of-type {
    top: 0 !important;
}

.nav>div>ul>li:nth-of-type(2)>div:last-of-type {
    bottom: 0 !important;
}

.bg {
    width: 100%;
    background: url(/html/images/productListDetail-bg.jpg) no-repeat top center;
    background-size: initial;
    padding-top: 177px;
}

.bg>div {
    width: 95%;
    background: white;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    padding: 50px;
    box-sizing: border-box;
    justify-content: space-between;
}


.bg>div>div {
    width: 480px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    padding-top: 480px;
    border: 10px solid rgb(230, 230, 230);
    transform: scale(1);
    transition: all .3s;
}

.bg>div>section {
    width: 500px;
}

.bg>div>section>h1 {
    font-weight: normal;
    color: rgb(0, 118, 192);
    font-size: 32px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgb(220, 220, 220);
}

.bg>div>section>ul {
    padding: 40px 0;
    border-bottom: 1px solid rgb(220, 220, 220);
}

.bg>div>section>ul>p {
    line-height: 33px;
    position: relative;
    color: rgb(83, 83, 83);
    padding-left: 20px;
}

.bg>div>section>ul>p::before {
    content: '';
    height: 4px;
    left: 0;
    width: 4px;
    border-radius: 50%;
    background: rgb(31, 167, 241);
    display: inline-block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.bg>div>section>a {
    line-height: 50px;
    margin-top: 45px;
    height: 50px;
    width: 174px;
    display: inline-block;
    font-size: 18px;
    background-color: rgb(0, 118, 192);
    text-align: center;
    transition: all .2s;
    border: 1px solid rgb(0, 118, 192);
    border-radius: 4px;
    color: white;
}

.bg>div>section>a:hover {
    border: 1px solid rgb(0, 118, 192);
    background: white;
    color: rgb(0, 118, 192);
}

/**/
.switchTitle {
    font-size: 0;
    width: 95%;
    margin: 0 auto;
    height: 49px;
    max-width: 1400px;
    border-left: 1px solid rgb(220, 220, 220);
    border-bottom: 1px solid rgb(0, 118, 192);
}

.switchTitle>li {
    display: inline-block;
    width: 200px;
    text-align: center;
    position: relative;
    box-sizing: border-box;
    cursor: pointer;
    right: 1px;
    color: rgb(83, 83, 83);
    height: 50px;
    line-height: 50px;
    border: 1px solid rgb(220, 220, 220);
    border-bottom: 1px solid rgb(0, 118, 192);
    font-size: 17px;
}

.switchTitle>li:last-of-type {
    right: 2px;
}

.switchView>li>p {
    margin: 0 auto;
    max-width: 1060px;
    padding: 10px 0;
}

.switchTitle>li.active {
    color: rgb(0, 118, 192);
    z-index: 2;
    border: 1px solid rgb(0, 118, 192);
    border-bottom: 1px solid white;
}

.switchView {
    padding: 65px 0 80px;
}

.switchView>li {
    width: calc(1060/1400*100%);
    margin: 0 auto;
    height: 0;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition-property: visibility, opacity;
    transition-duration: .2s, .2s;
    visibility: hidden;
    opacity: 0;
}

.switchView>li>p>img {
    width: 100%;
    height: 0;
    margin: 0 auto;
    max-width: 1060px;
    display: block;
}

.switchView>li.active {
    height: auto;
    visibility: visible;
    opacity: 1;
}

.switchView>li.active>p>img {
    height: auto;
}

/*自适应-----------------------------------------------------------------*/
@media screen and (max-width:1400px) {
    .bg {
        padding-top: calc(177/1400*100%);
    }

    .bg>div {
        padding: calc(50/1400*100%);
    }

    .bg>div>div {
        width: calc(480/1400*100%);
        height: 0;
        padding-top: calc(480/1400*100% - 20px);
    }

    .bg>div>section {
        width: calc(500/1400*100%);
    }

    .bg>div>section>h1 {
        font-size: 28px;
        padding-bottom: calc(40/500*100%);
    }

    .bg>div>section>ul {
        padding: calc(40/500*100%) 0;
    }

    .bg>div>section>ul>p {
        line-height: 30px;
    }

    .bg>div>section>a {
        line-height: 40px;
        height: 40px;
        margin-top: calc(45/500*100%);
    }

    .switchView {
        padding: calc(65/1400*100%) 0 calc(80/1400*100%);
    }

    .switchTitle {
        height: 39px;
    }

    .switchTitle>li {
        font-size: 16px;
        height: 40px;
        line-height: 40px;
        width: 150px;
    }
}

@media screen and (max-width:680px) {
    .bg>div {
        width: 100%;
        flex-direction: column-reverse;
        align-items: center;
    }

    .bg>div>div {
        width: 200px;
        padding-top: 180px;
    }

    .bg>div>section {
        width: calc(500/600*100%);
    }

    .bg>div>section>h1 {
        text-align: center;
        font-size: 22px;
        padding: calc(20/500*100%) 0;
    }

    .bg>div>section>ul {
        padding: calc(20/500*100%) 0;
    }

    .bg>div>section>a {
        line-height: 40px;
        display: block;
        height: 30px;
        line-height: 30px;
        font-size: 16px;
        width: 130px;
        margin: calc(22.5/500*100%) auto;
    }

    .switchTitle>li {
        width: 50%;
    }
}

@media screen and (max-width:450px) {

    .bg>div>div {
        width: 100%;
        padding-top: calc(450/450*100% - 20px);
    }
}

/*自适应end--------------------------------------------------------------*/