body {
    margin: 0px;
    padding: 0px;
    overflow-x: hidden;
}

li {
    list-style-type: none;
}

.global_box {
    margin: 0 auto;
    width: 1200px;
    height: 500px;
    height: auto;
    border: #0f0 solid 0px;

}

.header_without_bg {
    width: 1200px;
    height: 100px;
}

@media only screen and (max-width: 1200px) {
    .global_box {
        overflow: hidden;
    }
}

.header_level {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100px;
    border: #f00 solid 0px;
    background: #fff;
    z-index: 100;
}

.header_box {
    margin-left: 0px;
    width: 1200px;
    height: 100px;
    border: #00f solid 0px;
}

.header_box .logo {
    float: left;
    width: 300px;
    height: 100px;
    border: #0f0 solid 0px;
    background: url('../images/logo.png');
    background-size: 300px 100px;
    background-position: center center;
}

.header_box .menu_box {
    float: right;
    width: auto;
    height: 100px;
    border: #f00 solid 0px;
}

.header_box .menu_box ul {
    padding: 0px;
    margin: 0px;
    height: 100px;
}

.header_box .menu_box ul li {
    float: left;
    width: auto;
    height: 100px;
    line-height: 100px;
    padding: 0px 30px;
    cursor: pointer;
}

.header_box .menu_box ul li a {
    color: #333;
    text-decoration: none;
}

.header_box .menu_box ul li.active {
    border-bottom: #0099A8 solid 2px;
}

.menu_box .products:hover .fisrt_menu {
    display: block;
}

.menu_box .fisrt_menu {
    position: relative;
    display: none;
}

.menu_box .fisrt_menu .second_menu {
    position: absolute;
    left: -50px;
    top: 0px;
    height: auto;
    background: #fff;
    width: 300px;
    padding: 0px 0px;
    border: #ccc solid 1px;
}

.menu_box .fisrt_menu .second_menu li {
    float: left;
    width: 280px;
    height: 40px;
    padding:0px 10px;
    line-height: 40px;
    cursor: pointer;
    font-size: 14px;
}

.menu_box .fisrt_menu .second_menu li:hover {
    background: #0099A8;

}

.menu_box .fisrt_menu .second_menu li:hover a {
    color: #fff;
}