.ks-floor{
    padding-top: 80px;
}
.ks-container{
    width: 1200px;
}
img{
    image-rendering: -webkit-optimize-contrast;
}
.sm-show{
    display: none !important;
}
.ks-common-title{
    margin-bottom: 70px;
}
.ks-common-title_big{
    font-size: 30px;
    line-height: 40px;
    font-weight: bold;
    text-align: center;
}
.ks-common-title_small { 
    font-size: 18px; 
    color: #999; 
    margin-top: 22px; 
    line-height: 24px; 
    text-align: center;
} 
/* banner */
.about_banner{
    background-image: url(../images/banner.jpg);
    background-size: cover;
    background-position: 50% 50%;
    position: relative;
}
.about_banner-play{
    position: absolute;
    width: 60px;
    height: 60px;
    top: 50%;
    margin-left: -30px;
    left: 25.8%;
    cursor: pointer;
}
/* 导航 */
.nav-floor{
    box-shadow: 0px 3px 3px 1px rgba(0,0,0,0.11);
}
.about-nav{
    line-height: 65px;
    display: flex;
    justify-content: center;
}
.about-nav a{
    margin: 0 60px;
    font-size: 16px;
    font-weight: bold;
    color: #666;
    position: relative;
}
.about-nav .about-nav_curr{
    color: #1472FF;
}
.about-nav .about-nav_curr::after{
    content: '';
    display: block;
    background: #1472FF;
    height: 2px;
    border-radius: 2px;
    position: absolute;
    bottom: 0;
    left:0;
    width: 100%;
}
/* 动画 */
.reservation {
    margin-top: 0;
}
/*大于等于1400 ipad */
@media (max-width: 1400px){

}
/*大于等于1024 ipad */
@media (max-width: 1024px){
    /* 通用 */
    .ks-floor{
        padding-top: 60px;
        overflow: hidden;
    }
    .ks-container {
        width: inherit;
    }
    .ks-common-title {
        margin-bottom: 40px;
    }
    .xs-hide {
        display: none !important;
    }
    .sm-show {
        display: block !important;
    }
    /* banner */
    #banner { margin-top: 50px; } 
    /* 导航 */
    .about-nav{
        line-height: 56px;
        overflow: hidden;
    }
    .about-nav a{
        padding: 0;
        text-align: center;
        margin: 0;
        font-size: 14px;
    }
}
/*大于等于812 ipad */
@media (max-width: 812px){
    /* 通用 */
    .ks-floor{
        padding-top: 60px;
        overflow: hidden;
    }
}
/*大于等于768 ipad */
@media (max-width: 768px){
    .about_banner {
        background-image: url(../images/mbanner.png);
    }
}

/*大于等于480 */
@media (max-width: 480px){
    .ks-floor{
        padding-top: 40px;
        padding-left: 12px;
        padding-right: 12px;
        overflow: hidden;
    }
    .xs-hide {
        display: none !important;
    }
    .sm-show {
        display: block !important;
    }
    .ks-common-title{
        margin-bottom: 24px;
    }
    .ks-common-title_big{
        font-size: 20px;
        line-height: 28px;
    }
    .ks-common-title_small{
        font-size: 14px;
        line-height: 20px;
        margin-top: 10px;
    }
}

/*大于等于375  ios6 */
@media  (max-width: 375px){
    
}

/*大于等于360  安卓 */
@media (max-width: 360px){
    
}

/*大于等于320  ios5 安卓 */
@media (max-width: 320px){
    
}