.how-to-help {}

.how-to-help .cistern {
    max-width: 100%;
    padding-right: 0;
    padding-left: 0;
}

.how-to-help h2 {
    color: #fff;
}

.how-to-help .con {
    position: relative;
    overflow: hidden;
}

.how-to-help .con ul {
    margin: 0 -15px;
}

.how-to-help .con ul li {
    width: 25%;
    float: left;
}

.how-to-help .con ul li a {
    display: block;
    position: relative;
    overflow: hidden;
}

.how-to-help .con ul li a .pic {}

.how-to-help .con ul li a .pic:after {
    padding-top: 75%;
}

.how-to-help .con ul li a .pic img {
    transition: transform 12s cubic-bezier(.23, 1, .32, 1);
    transform: scale(1);
}

.how-to-help .con ul li a:hover .pic img {
    transform: scale(1.1);
}

.how-to-help .con ul li a .text {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    padding: 30px 40px;
}

.how-to-help .con ul li a .text:after {
    position: absolute;
    bottom: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 149px;
    content: "";
    background: linear-gradient(180deg, hsla(0, 0%, 100%, 0) 0, #000 100%, #000 0);
    background-size: cover;
}
.how-to-help .con ul li a .text h3 {
    font-size: 26px;
    color: #fff;
    line-height: 1.375;
    position: relative;
    z-index: 2;
}
.how-to-help .con ul li a .text span.label {
    font-size: 12px;
    color: #fff;
    padding: 1px 10px 3px 10px;
    background: linear-gradient(to left, #e8795c 0, #c91f4f 100%);
    border-radius: 5px;
    margin-bottom: 10px;
    display: inline-block;
    z-index: 2;
    position: relative;
}

.how-to-help .con ul li a .text p {
    color: #fff;
    font-size: 16px;
    line-height: 1.375;
    margin-top: 10px;
    position: relative;
    z-index: 2;
}

.how-to-help .con .hw-btn-warp {
    padding-top: 0;
    text-align: center
}

.how-to-help .con .hw-btn-warp .btn-empty-black {
    margin-top: 0;
}

.how-to-help .arrow {}

.how-to-help .arrow .arrow-prev {
    position: absolute;
    left: 0;
    top: 50%;
    font-size: 60px;
    color: #fff;
    margin-top: -30px;
    cursor: pointer;
}

.how-to-help .arrow .arrow-next {
    position: absolute;
    right: 70px;
    top: 50%;
    font-size: 60px;
    color: #f2f2f2;
    margin-top: -30px;
    cursor: pointer;
}

.how-to-help .arrow .arrow-next:hover,
.how-to-help .arrow .arrow-prev:hover {
    color: #fff;
}

.how-to-help .hw-btn-warp {
    text-align: center;
}

.how-to-help .arrow .arrow-next.notClick,
.how-to-help .arrow .arrow-prev.notClick {
    display: none;
}

@media (max-width:1600px) {
    .how-to-help .con ul li {
        width: 33.333%;
    }

}

@media (max-width:1200px) {
    .how-to-help .con ul li {
        width: 50%;
    }

    .how-to-help .arrow .arrow-next {
        right: 0;
    }
}

@media (max-width:750px) {

    .how-to-help .point {
        text-align: center;
    }

    .how-to-help .point span {
        width: 5px;
        height: 5px;
        display: inline-block;
        background: #fff;
        border-radius: 5px;
        margin: 0 3px;
    }

    .how-to-help .point span.hover {
        background: #999;
    }

    .how-to-help .arrow {
        display: none;
    }

    .how-to-help .con {
        padding: 0 15px;
    }

    .how-to-help .con ul li {
        width: 100%;
    }

    .how-to-help .con ul li a {
        padding: 0 5px;
    }

    .how-to-help .con ul li a .text {
        padding: 30px;
    }
}