.main {
    width: 1000px;
    margin: 0 auto;
    height: 93px;
    box-sizing: border-box;
}

.main .logo {
    width: 233px;
    margin-top: 40px;
}

.main .search {
    margin-left: 64px;
    margin-top: 24px;
}
.search_input {
    width: 469px;
    height: 36px;
    margin-top: 4px;
}

.search_input .search_button {
    width: 80px;
    height: 100%;
    background: #3686f1;
    color: #fff;
    font-size: 16px;
    text-align: center;
    line-height: 36px;
}

.search_input input {
    width: calc(469px - 80px);
    height: 36px;
    border: 1px solid #ccc;
    box-sizing: border-box;
    border-right: none;
    padding-left: 7px;
    font-size: 14px;
}

.main .tuijian li {
    float: left;
    color: #666;
    width: 42px;
    font-size: 12px;
}
.tuijian li:first-child {
    color: #333;
    font-weight: bold;
}

.main .menu {
    margin-top: 40px;
}
.menu li {
    float: left;
    text-align: center;
    margin-right: 18px;
}
.menu li:last-child {
    margin-right: 0 !important;
}

.menu li a {
    color: #1f4f88;
    font-size: 12px;
}
.menu li a img {
    width: 20px;
    height: 20px;
}