*{
    padding: 0;margin: 0;
    box-sizing: border-box;
    font-size: 14px;
}
a{
    color: #333333;
}
body{
    background: #f5f5f5;
}
.header{
    background: #ffffff;
}
.wrap{
    width: 1200px;
    margin: 0 auto;
}
.header .wrap{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header .wrap .logo{
    width: 200px;
}
.header .wrap .logo img{
    width: 100%;
}
.header .wrap .nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 600px;


}

.header .wrap .nav_icon{
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-items: center;
    vertical-align: top;
    cursor: pointer;
}
.header .wrap .nav_icon img{
    height: 36px;
    filter: brightness(0);
    display: none;
}

.header .wrap .nav a{
    font-size: 16px;
    text-decoration: none;
    color: #333333;
    position: relative;
    display: block;
}
.header .wrap .nav a:hover{
    color: #ff9e11;
}
.header .wrap .nav a::after{
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #ff9e11;
    position: absolute;
    left: 0;
    bottom: -2px;
    transition: all .3s;
    opacity: 0;

}
.header .wrap .nav a:hover::after{
    width: 100%;
    opacity: 1;
}
.content{
    display: flex;
    margin-top: 20px;
    justify-content: space-between;
    font-size: 14px;
}
.content .left{
    width: 880px;
    background: #ffffff;
}
.content .left .title{
    margin: 0 20px;
    display: flex;
    align-items: center;
    line-height: 30px;
    padding: 20px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 26px;
}
.content .right{
    width: 300px;
    background: #ffffff;
}
.content .right .title{
    margin: 0 20px;
    display: flex;
    align-items: center;
    height: 50px;
    border-bottom: 1px solid #f5f5f5;
    color: #ff9e11;
    font-size: 18px;
}
.content .right .sub_title{
    margin: 0 20px;
    display: flex;
    align-items: center;
    height: 40px;
    font-size: 16px;
}
.content .right .list{
    margin: 0 20px;
    border: 1px solid #f5f5f5;
    padding: 0;
    border-bottom: 0;

}
.content .right .list a{
    display: block;
    padding: 10px 10px;
    font-size: 16px;
    line-height: 20px;
    text-decoration: none;
    border-bottom: 1px solid #f5f5f5;
}
.content .right .list a:hover{
    color: #ff9e11;
}
.content_a {
    font-size: 16px;
    line-height: 28px;
    padding: 20px;
}

.right_menu{
    position: absolute;
    background: #ffffff;
    box-shadow: 0 0 10px rgba(0,0,0,.2);
    width: 100%;

    padding: 20px;
    z-index: 9;
    border-bottom: 1px solid #f5f5f5;
    display: none;
}
.right_menu a{
    text-decoration: none;
    color: #333333;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 16px;
    font-weight: 400;

}

@media (max-width: 1200px) {
      .wrap{
          width: 100%;
      }
    .content {
        display: block;
    }
    .content .left{
        width: 100%;
    }
    .content .right{
        width: 100%;
        margin-top: 20px;
    }
    .content img{
        max-width: 100%;
        height: auto;
    }
    .header .wrap .logo{
        padding-left: 10px;
        padding-top: 5px;
        padding-bottom: 5px;
    }
    .header .wrap .nav{
        width: 50px;
    }
    .header .wrap .nav a{
        display: none;
    }
    .header .wrap .nav_icon  .open{
        display: block;
    }
    body.open .right_menu{
        display: block;
    }


}
.footer{
    background: #fff;
    color: #333333;
    justify-content: space-between;
    border-top: 1px solid #f5f5f5;
    margin-top: 20px;
    text-align: center;
    align-items: center;
    font-size: 14px;

    height: 80px;
    line-height: 80px;
    overflow: hidden;
}