* {
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    padding: 0;
}

input,
textarea {
    outline: none;
    border-radius: 0;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.section {
    height: 100vh !important;
}


/* 头部导航 */

header {
    width: 100%;
    height: 105px;
    display: flex;
    justify-content: space-between;
    background-color: #ffffff;
    box-shadow: 0px 3px 7px 0px rgba(0, 0, 0, 0.26);
    position: fixed;
    top: 0;
    z-index: 999;
    color: #2b2b2b;
}

.logo {
    margin: 17px 0 18px 152px;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav a li {
    margin-left: 45px;
}

.nav a:nth-last-child(1) {
    margin-left: 0;
}

.title-right {
    display: flex;
    justify-content: space-between;
}

.title-right {
    line-height: 105px;
}

.emil img {
    height: 36px;
    margin-right: 13px;
    margin-left: 46px;
}

.sousuo img {
    height: 36px;
    margin-right: 20px;
}

.title-right span {
    position: relative;
    margin: 0 13px 0 15px;
}

.title-right span::after {
    content: "";
    width: 2px;
    height: 36px;
    background: #ccc;
    position: absolute;
    top: 33%;
    left: -50%;
}

.daohang {
    width: 105px;
    height: 105px;
    background: #015ca5;
}

.daohang img {
    width: 50px;
    margin-left: 26%;
}

.top {
    width: 100%;
    height: 105px;
}
@media (max-width:1560px) {
    .nav a li {
        margin-left: 30px !important;
    }
}
@media (max-width:1490px) {
    .nav a li {
        margin-left: 12px !important;
    }
    .logo {
        margin-left: 6%;
    }
}

@media (max-width:1199px) {
    header {
        display: none;
    }
    .top {
        display: none;
    }
}

@media (max-width:990px) {
    header {
        display: none;
    }
    .top {
        display: none;
    }
}