body {
    width: 100%;
}

.header {
    width: 100%;
    padding-top: 20px;
    overflow: auto;
}

.header-item {
    width: 1200px;
    height: 70px;
    margin: 0 auto;
}

.logo {
    width: 193px;
    height: 51px;
    float: left;
    display: block;
}

.menu {
    width: 585px;
    height: 70px;
    float: right;
}

.menu-item {
    float: left;
    padding: 15px 25px;
    cursor: pointer;
}

.menu-item a {
    display: block;
}

.menu-item :nth-child(1) {
    font-size: 14px;
    color: #333333;
    font-weight: bold;
    height: 20px;
    line-height: 20px;
}

.menu-item :nth-child(2) {
    font-size: 12px;
    color: #777777;
    height: 20px;
    line-height: 20px;
}

.menu-active {
    font-size: 14px;
    font-weight: bold;
    color: #666666;
}

.menu-active2 {
    font-size: 12px;
    color: #777777;
}


.footer-container {
    width: 100%;
    background: #333a82;
}

.footer {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.footer-left {
    float: left;
    width: 900px;
    overflow: hidden;
    padding-top: 40px;
}

.footer-right {
    float: right;
    width: 300px;
}

.left-nav {
    overflow: hidden;
}

.left-nav div {
    float: left;
    margin-right: 30px;
    font-size: 14px;
    color: #fff;
}

.left-nav div:nth-child(1) {
    margin-right: 0;
}

.left-logo {
    margin-top: 50px;
}

.left-contact {
    overflow: hidden;
    margin-top: 30px;
}

.left-contact div {
    width: 42px;
    height: 42px;
    margin-right: 20px;
    float: left;
    background: url(../images/contact.png);
}

.left-contact div:nth-child(2) {
    background-position: -60px 0;
}

.left-contact div:nth-child(3) {
    background-position: -123px 0;
}

.left-contact div:nth-child(4) {
    background-position: -184px 0;
}

.right-phone {
    width: 100%;
    padding: 10px 0;
    background: url(../images/phone.png) #426fb7 no-repeat 20px 13px;
    color: #fff;
}

.right-phone div:nth-child(1) {
    margin: 0 0 5px 90px;
    font-size: 16px;
}

.right-phone div:nth-child(2) {
    font-size: 25px;
    font-weight: 700;
    margin-left: 90px;
}

.right-site {
    margin: 30px 0 15px 0;
    font-size: 16px;
    color: #fff;
    line-height: 35px;
    position: relative;
}

.site-png {
    position: absolute;
    top: 15px;
    right: 0;
}

.service {
    padding: 60px 0px;
    background: url(../images/bg2.png) no-repeat;
}

.service-container {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    line-height: 30px;
    color: #333333;
}

.service-container div:nth-child(1) {
    font-size: 20px;
    font-weight: 500;
}

.service-container div:nth-child(2) {
    font-size: 12px;
}

.service-container div:nth-child(3) {
    font-size: 20px;
    font-weight: 500;
}

.service-container div:nth-child(4) {
    font-size: 12px;
}

@media screen and (max-width:765px) {
    .footer {
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }

    .footer-left {
        width: 100%;
    }

    .left-nav div {
        margin: 10px 0;
        width: 50%;
        text-align: center;
    }

    .footer-right {
        width: 100%;
    }

    .left-contact {
        margin-bottom: 20px;
    }

    .header-item {
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }

    .menu {
        width: 100%;
        height: auto;
    }

    .menu-item {
        width: 33.3%;
    }
}