* {
    margin: 0;
    padding: 0;
    font-family: MicrosoftYaHei PingFang SC, Helvetica Neue, Helvetica, Hiragino Sans GB, Arial, sans-serif, SimSun;
}

/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
    background-color: #F5F5F5;
}

/*定义滚动条轨道 内阴影+圆角*/

::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    background-color: #FFF;
}

/*定义滑块 内阴影+圆角*/

::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
    background-color: #AAA;
}

body {
    min-width: 1200px;
    padding-top: 114px;
}

.container {
    margin: 0 auto;
    width: 1200px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    padding: 0 55px;
    padding-right: 38px;
    position: relative;
}

.item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.title {
    font-size: 52px;
    color: #131313;
    letter-spacing: 0;
    font-weight: 600;
    max-width: 484px;
    display: inline-block;
    vertical-align: middle;
}

.item1 {
    margin-bottom: 99px;
}

.item2 {
    margin-bottom: 33px;
}

.item3 {
    margin-bottom: 110px;
}

.item1-img {
    width: 546px;
    height: 300px;
    vertical-align: middle;
}

.desc {
    font-size: 22px;
    color: #131313;
    letter-spacing: 0;
    line-height: 36px;
    max-width: 572px;
    display: inline-block;
    vertical-align: middle;
    opacity: 0.8;
}

.item2-img {
    width: 450px;
    height: 308px;
    vertical-align: middle;
}

.item3-img {
    width: 497px;
    height: 327px;
    vertical-align: middle;
}

.value {
    font-size: 22px;
    color: #131313;
    letter-spacing: 0;
    line-height: 36px;
    vertical-align: middle;
    display: inline-block;
    max-width: 572px;
    opacity: 0.8;
}

.contact {
    width: 364px;
    margin: 0 auto;
    margin-bottom: 74px;
}

.contact-title {
    opacity: 0.4;
    font-size: 24px;
    color: #131313;
    letter-spacing: 0;
    line-height: 40px;
}

.contact-content {
    font-size: 24px;
    color: #376EC8;
    letter-spacing: 0;
    line-height: 40px;
}

.copyright {
    opacity: 0.3;
    font-size: 22px;
    color: #131313;
    letter-spacing: 0;
    line-height: 40px;
    text-align: center;
    margin-bottom: 147px;
}