html,body,h1,h2,ul,li,p {
    padding: 0;
    margin: 0;
}



a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #00acff;
}

img {
    border: none;
    vertical-align: top;
}

input,button {
    border: none;
    outline: none;
}

ul {
    list-style: none;
}

.clearfix::before,.clearfix::after {
    content: "";
    display: table;
}

.clearfix::after {
    clear: both;
}

.clearfix {
    zoom: 1;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

[class^="icon-"],[class*=" icon-"] {
    display: block;
    font-style: normal;
    background: url("../images/icon.png") no-repeat;
}

/*header styles*/

.stheader {
    width: 100%;
    height: 600px;
    margin-bottom: 100px;
background-color: #1a1b24;/*背景颜色*/
}

.header-main {
    width: 100%;
    height: 100%;
    margin: 0 auto;
    position: relative;
}


.header-banner {
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.banner-img {
    height: 100%;
    background: url("../images/banner0.png") no-repeat center center;
}

.header-menu {
    width: 180px;
    height: 83%;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, .5);
    padding: 10px 30px;
    position: absolute;
    bottom: 8%;
    right: 10%;
}

.header-menu div {
    height: 44px;
    color: #9a9a9a;
    cursor: pointer;
    border-bottom: 1px solid #3c3838;
}

.header-menu div:last-child {
    border: none;
}

.header-menu div h2,.header-menu div p {
    font-size: 14px;
    float: left;
    line-height: 44px;
}


.header-menu .menu-active {
    height: 38px;
    color: #fff;
}

.header-menu .menu-active h2 ,.header-menu .menu-active p {
    clear: both;
}

.header-menu .menu-active h2 {
    font-size: 18px;
    line-height: 36px;
}

.header-menu .menu-active p {
    font-size: 14px;
    line-height: 34px;
}

.header-menu .menu-active h2::after {
    content: "";
}