body {
    padding: 44px 0px 48px 0px;
    padding-bottom: calc(48px + constant(safe-area-inset-bottom));
    padding-bottom: calc(48px + env(safe-area-inset-bottom));
}

.category .class-banner .swiper-slide a {
    display: block;
    width: 100%;
    position: relative;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.category .class-banner .swiper-slide a:before {
    content: "";
    display: block;
    padding-top: 32%;
}

.category .class-banner .swiper-slide img {
    width: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.category .class-banner .swiper-pagination {
    bottom: 5px;
    height: 5px;
}

.category .class-banner .swiper-pagination-bullet {
    width: 5px;
    height: 5px;
    border-radius: 20px;
    margin: 0px 3px;
    vertical-align: top;
}

.category .class-banner .swiper-pagination-bullet-active {
    width: 15px;
    height: 5px;
}

.category .class-nav {
    padding: 16px;
}

.category .class-nav .class-nav-item {
    background: #ffffff;
    border-radius: 8px;
    margin-bottom: 8px;
    overflow: hidden;
}

.category .class-nav .class-nav-title {
    font-size: 16px;
    line-height: 24px;
    font-weight: normal;
    color: #ff3e3e;
    padding: 7px 16px 7px 28px;
    position: relative;
}

.category .class-nav .class-nav-title .ico {
    width: 14px;
    height: 14px;
    position: absolute;
    left: 8px;
    top: 12px;
}

.category .class-nav .class-nav-title .ico img {
    width: 100%;
    height: 100%;
    vertical-align: top;
}

.category .class-nav .class-nav-title .count {
    font-size: 12px;
    color: #666666;
}

.category .class-nav .class-nav-content {
    overflow: hidden;
    zoom: 1;
    position: relative;
}

.category .class-nav .class-nav-content:before {
    content: "";
    display: block;
    position: absolute;
    left: 33.33%;
    top: 0px;
    bottom: 0px;
    z-index: 1;
    width: 1px;
    background: #e5e5e5;
    transform: scaleX(0.5);
    -webkit-transform: scaleX(0.5);
}

.category .class-nav .class-nav-content:after {
    content: "";
    display: block;
    position: absolute;
    left: 66.66%;
    top: 0px;
    bottom: 0px;
    z-index: 1;
    width: 1px;
    background: #e5e5e5;
    transform: scaleX(0.5);
    -webkit-transform: scaleX(0.5);
}

.category .class-nav li {
    float: left;
    width: 33.33%;
    position: relative;
    text-align: center;
}

.category .class-nav .li-hot {
    width: 66.66%;
    z-index: 100;
    position: relative;
    z-index: 10;
    background: #ffffff;
}

.category .class-nav .li-hot .li-title {
    padding-right: 16px;
    background-size: 8px auto;
    display: inline-block;
    vertical-align: middle;
    padding: 7px 16px 7px 0px;
}

.category .class-nav li a {
    display: block;
    padding: 10px 0px;
    line-height: 24px;
    font-size: 14px;
    color: #333333;
}

.category .class-nav li::after {
    content: "";
    display: block;
    position: absolute;
    bottom: 0px;
    left: 0px;
    right: 0px;
    border-top: 1px solid #e5e5e5;
    transform: scaleY(0.5);
    -webkit-transform: scaleY(0.5);
}

.category .class-nav .li-title {
    font-size: 14px;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category .class-nav .li-count {
    color: #999999;
    font-size: 12px;
    line-height: 14px;
    display: block;
}