* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Source Han Sans SC, Arial, sans-serif
}

li {
    list-style: none
}

a {
    text-decoration: none
}

button:focus,
input:focus {
    border: 0 !important;
    outline: 0
}

.width {
    width: 1200px;
    margin: 0 auto
}

body {
    background-color: #f7f8fa
}

.title {
    text-align: center;
    padding: 62px 0 46px
}

.title h1 {
    font-size: 26px;
    line-height: 26px;
    font-weight: 500;
    color: #333;
    padding-bottom: 22px
}

.title span {
    font-size: 14px;
    font-weight: 400;
    color: #555;
    display: block
}

.title1 {
    text-align: center;
    padding: 63px 0 56px
}

.title1 h1 {
    font-size: 26px;
    line-height: 26px;
    font-weight: 500;
    color: #000;
    padding-bottom: 22px
}

.title2 {
    padding: 63px 0 56px;
    text-align: center
}

.title2 h1 {
    font-size: 26px;
    line-height: 26px;
    font-weight: 500;
    color: #000
}

.title4 {
    padding: 78px 0 43px;
    text-align: center
}

.title4 h1 {
    font-size: 26px;
    line-height: 26px;
    font-weight: 500;
    color: #000;
    padding-bottom: 14px
}

.title4 span {
    font-size: 12px;
    font-weight: 400;
    color: #777;
    display: block
}

#topTop {
    position: fixed;
    right: 30px;
    bottom: 60px;
    z-index: 1000;
    display: none
}

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

.banner>img {
    width: 100%;
    display: block;
    margin: 0 auto
}

.banner .text {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%)
}

.banner .text h1 {
    line-height: 60px;
    display: block;
    text-align: center;
    width: 100%;
    padding-bottom: 35px;
    font-size: 60px;
    font-weight: 500;
    color: #fff
}

.banner .text p {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 28px;
    font-weight: 400;
    color: #fff;
    opacity: .9;
    line-height: 28px
}

.banner .text .icon {
    display: flex;
    justify-content: space-around;
    width: 1200px;
    margin: 0 auto;
    padding-top: 100px
}

@media screen and (max-width:1050px) {
    .banner .text h1 {
        font-size: 36px;
        color: #fff;
        line-height: 60px;
        display: block;
        text-align: center;
        width: 100%;
        text-shadow: 5px 5px 5px #a4adb4;
        padding-bottom: 0
    }

    .banner .text p {
        font-size: 12px;
        line-height: 12px
    }

    .banner .text .icon {
        display: flex;
        justify-content: space-around;
        width: 100%;
        margin: 0 auto;
        padding-top: 40px
    }
}

@media screen and (max-width:800px) {
    .product .content .tab li.active {
        border-left: 0 !important
    }

    .top_cate>div ul li.active a {
        color: #08a0e9;
        font-weight: 600;
        border-top: 0 !important
    }

    .top_cate>div ul li:hover a {
        color: #08a0e9;
        font-weight: 600;
        border-top: 0 !important
    }

    .banner>img {
        width: 100%
    }

    .serve {
        height: 421px;
        padding: 50px 0
    }

    .serve h1 {
        line-height: 24px
    }

    .serve p {
        padding: 30px 0 25px
    }
}

@media screen and (max-width:576px) {
    .banner .text h1 {
        font-size: 22px;
        line-height: 40px
    }

    .banner .text p {
        font-size: 12px
    }

    .serve {
        height: auto;
        padding: 20px 15px
    }

    .serve p {
        padding: 20px 0 15px;
        width: 100%;
        font-size: 12px
    }

    .serve h1 {
        line-height: 20px;
        font-size: 20px
    }
}

.position {
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 115, 190, .1)
}

.position #position {
    height: 70px;
    line-height: 70px;
    text-align: left;
    background-color: #fff
}

.position #position span {
    padding-left: 6px;
    font-size: 14px;
    font-weight: 400;
    color: #999
}

.position #position span a {
    padding-left: 3px;
    font-size: 14px;
    font-weight: 400;
    color: #999
}

.top_cate>div {
    display: flex;
    justify-content: space-between
}

.top_cate>div ul {
    display: flex;
    justify-content: center;
    width: 100%
}

.top_cate>div ul li {
    margin: 0 30px
}

.top_cate>div ul li a {
    display: block;
    height: 70px;
    line-height: 70px;
    font-size: 18px;
    font-weight: 400;
    color: #666;
    transition: all .2s
}

.top_cate>div ul li.active a {
    color: #08a0e9;
    font-weight: 600;
    border-top: 3px solid #08a0e9
}

.top_cate>div ul li:hover a {
    color: #08a0e9;
    font-weight: 600;
    border-top: 3px solid #08a0e9
}

.top_cate>div .position {
    height: 85px;
    line-height: 85px
}

.top_cate>div .position span {
    padding-left: 16px;
    font-size: 14px;
    font-weight: 400;
    color: #999
}

@media screen and (max-width:1200px) {
    .width {
        width: 100%
    }

    .title {
        text-align: center;
        padding: 25px 0 20px
    }

    .title h1 {
        font-size: 24px;
        line-height: 24px;
        padding-bottom: 10px
    }
}

@media screen and (max-width:1023px) {
    .position #position {
        height: 70px;
        display: none;
        line-height: 70px;
        text-align: left;
        background-color: #fff
    }

    .width {
        width: 100%
    }

    .hidden_800 {
        display: none !important
    }
}

@media screen and (max-width:700px) {
    .title1 {
        text-align: center;
        padding: 30px 0 25px
    }

    .title1 h1 {
        font-size: 25px;
        line-height: 36px;
        font-weight: 500;
        color: #000;
        padding-bottom: 0
    }
}