.screen {
    background: #F0F0F0;
}

.screen .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 54px 0;
}

.screen .container .f32 {

    color: #333333;
    line-height: 32px;
}

.screen .condition {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 15px;
    width: 62%;
}

.screen .condition>div {
    position: relative;
}

.screen .condition .all {
    height: 55px;
    background-color: #fff;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;

    line-height: 34px;
}

.screen .condition .all.active {
    background: #CE1C24;
    color: #fff;
}

.screen .condition .menu {
    height: 55px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;

    color: #333;
    line-height: 34px;
    padding: 0 20px;
    box-sizing: border-box;
}

.screen .condition .menu.active,
.screen .condition .menu.selected {
    background: #CE1C24;
    color: #FEFEFE;
}

.screen .condition .menu.active .iconfont,
.screen .condition .menu.selected .iconfont {
    color: #FEFEFE;
}

.screen .condition .menu .iconfont {
    color: #333;
    font-size: 16px;
    display: block;
    transform: rotate(90deg);
    transition: all .36s;
}

.screen .condition .menu.active .iconfont {
    transform: rotate(-90deg);
    transition: all .36s;
}

.screen .condition ul {
    position: absolute;
    top: 55px;
    width: 100%;
    height: 300px;
    overflow: auto;
    left: 0;
    background: #FFFFFF;
    box-shadow: 0px 7px 24px 0px rgba(37, 37, 37, 0.07);
    z-index: 99;
    display: none;
}

.screen .condition ul li {

    color: #888;
    line-height: 48px;
    padding: 0 20px;
    box-sizing: border-box;
    border-bottom: 1px solid #F0F0F0;
}

.screen .condition ul li.active,
.screen .condition ul li:hover {
    background: #CE1C24;
    color: #FEFEFE;
}

.case {
    padding: 30px 0 50px;
}

.product_box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 30px 20px;
}

.product_box .one {
    border: 1px solid #ECECEC;
    position: relative;
}

.product_box .one .line_box {
    position: absolute;
    width: 100%;
    height: 100%;
}

.product_box .one .line_box>div {
    position: absolute;
}

.product_box .one .line_box .lt,

.product_box .one .line_box .lb {
    width: 100%;
    height: 1px;
}

.product_box .one .line_box .rb {
    right: 0;
    bottom: 0;
}

.product_box .one .line_box .rt,
.product_box .one .line_box .rb {
    width: 1px;
    height: 100%;
}

.product_box .one .line_box .lb {
    left: 0;
    bottom: 0;
}

.product_box .one .line_box .lt::after {
    left: 0;
    top: 0;
    width: 0%;
    height: 1px;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.product_box .one .line_box .rt::after {
    left: 0;
    top: 0;
    width: 1px;
    height: 0%;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.product_box .one .line_box .lb::after {
    right: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.product_box .one .line_box .rb::after {
    right: 0;
    bottom: 0;
    width: 1px;
    height: 0%;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.product_box .bottom {
    padding: 30px 20px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product_box .bottom .f18 {

    color: #111111;
}

.product_box .bottom .iconfont {
    font-size: 31px;
    color: #ECECEC;
    line-height: 1;
}

.product_box .one:hover .lt::after,
.product_box .one:hover .lb::after {
    visibility: visible;
    width: 80%;
    transition: all .5s;
}

.product_box .one:hover .rt::after,
.product_box .one:hover .rb::after {
    visibility: visible;
    height: 80%;
    transition: all .5s;
}

@media (max-width:1024px) {
    .product_box {
        grid-template-columns: repeat(2, 1fr);
    }

    .product_box .bottom {
        padding: 20px;
    }
}

@media (max-width:768px) {
    .screen .container {
        flex-flow: column nowrap;
    }

    .screen .condition {
        margin-top: 30px;
        width: 100%;
    }


    .product_box {
        grid-template-columns: repeat(1, 1fr);
    }

    .product_box .bottom {
        padding: 15px;
    }

    .product_box .one .img img {
        width: 100%;
    }

    .product_box .bottom .iconfont {
        font-size: 20px;
    }
}

@media (max-width:414px) {
    .screen .container {
        padding: 30px 0;
    }

    .screen .condition .all,
    .screen .condition .menu {
        height: 45px;
    }

    .screen .condition .menu,
    .screen .condition ul li {
        padding: 0 10px;
    }
}