html,
body {
    margin: 0;
    padding: 0;
    font-family: '微软雅黑', 'Open Sans', 'Arial', 'Hiragino Sans GB', 'Microsoft YaHei', 'STHeiti',
        'WenQuanYi Micro Hei', 'SimSun', 'sans-serif';
}

html {
    min-width:1200px;
    display: flex;
    justify-content: center;
    overflow-y: scroll;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: auto;
}

.top {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 1200px;
}

.logo {
    width: 360px;
    height: 60px;
    background: url('../image/logo.jpg') no-repeat;
    background-size: 100% 100%;
}

.now {
    width: auto;
}

.login{
    position: absolute;
    top:5px;
    right:0;
    color:#cccccc;
}
.login img {
    width:24px;
    height:24px;
}

.banner {
    width: 1200px;
    height: 240px;
    background: url('../image/banner.jpg') no-repeat;
    background-size: 100% 100%;
}

.nav {
    margin-bottom: 70px;
}

.footer {
    bottom: 0px;
    width: 100%;
    height: 120px;
    background-color: rgba(0, 0, 0, 0.6);
    font-size: 12px;
    text-align: center;
    padding-top: 10px;
    color: white;
}