.w {
    width: 1200px;
    margin: 0 auto;
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.style_red {
    color: #c81623;
}
.shortcut {
    height: 40px;
    line-height: 40px;
    background-color: #f1f1f1;
}
.shortcut ul li {
    float: left;
}
.shortcut .fr ul li:nth-child(even) {
    width: 1px;
    height: 12px;
    background-color: #666;
    margin: 9px 15px 0;
}

/*头部*/
header {
    position: relative;
    height: 160px;
}
.logo {
    position: absolute;
    top: 25px;
    width: 220px;
    height: 105px;
}
.logo a {
    display: block;
    width: 200px;
    height: 105px;
    background: url(../images/logo2.png) no-repeat;
    /*让文字隐藏*/
    font-size: 0;
}
.search {
    position: absolute;
    left: 345px;
    top: 50px;
    width: 500px;
    height: 36px;
    border: 2px solid red;
}
.search input {
    float:left;
    width: 454px;
    height: 32px;
    padding-left: 10px;
}
.search button {
    float:left;
    width:42px;
    height: 32px;
    background-color: skyblue;
    font-size: 16px;
    color: #fff;
}
.hot_words {
    position: absolute;
    top: 100px;
    left: 345px;
}
.hot_words a {
    margin: 0 10px;
}

.nav {
    height: 80px;
    border-bottom: 1px solid skyblue;
}
.nav .nav_logo {
    float:left;
    height: 80px;
    width: 80px;
    background: url(../images/文件夹.jpg)
}
.nav .nav_items {
    float:left;
    width: 570px;
    height: 80px;
    margin-left: 20px;
}
.nav .nav_items li a {
    float: left;
    width: 75px;
    height: 20px;
    background-color: #f6f7f8;
    margin: 10px;
    text-align: center;
}
.nav .nav_items li :hover {
    background-color: #e3e5e7;
    color: #1e1f22;
}

.nav .nav_items2 {
    float:left;
    width: 300px;
    height: 75px;
    border-left: 1px solid #e3e5e7;
    margin-left: 10px;
}
.nav .nav_items2 li a {
    float: left;
    width: 75px;
    height: 20px;
    background-color: #f6f7f8;
    margin: 10px;
    text-align: center;
}
.nav .nav_items2 li :hover {
    background-color: #e3e5e7;
    color: #1e1f22;
}

/*底部模块*/
footer {
    height: 100px;
    border: 1px solid #f0f3f0;
    margin-top: 30px;
    font-size: 12px;
    text-align: center;
    line-height: 100px;
    border-radius: 20px;
}
footer a:link {
    color: rgb(94, 97, 109);

}
footer a:hover {
    color: orange;
}