* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

img {
    vertical-align: middle;
}

/* 瀑布流框架 */
.pubu {
    display: flex;
    width: 100%;
}

.pubu .col {
    padding: 10px;
    flex: 1;
}

.pubu .item {
    overflow: hidden;
    width: 100%;
    border-radius: 5px;
    margin-bottom: 20px;
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
}

/* 每个card */
.pubu .card {
    overflow: hidden;
    width: 100%;
}

.pubu .card .img {
    width: 100%;
}

.pubu .card img {
    width: 100%;
}

.pubu .card-content {
    width: 100%;
    padding: 16px 8px;
    background-color: #fff;
}

.pubu .card-content h4 {
    text-align: center;
}

/* loading样式 */
.loadEffect {
    width: 40px;
    height: 40px;
    margin: 50px auto;
    position: relative;
}

.loadEffect div {
    width: 100%;
    height: 100%;
    position: absolute;
    -webkit-animation: load 2.08s linear infinite;
}

.loadEffect div span {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: lightgreen;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
}

@-webkit-keyframes load {
    0% {
        -webkit-transform: rotate(0deg);
    }

    10% {
        -webkit-transform: rotate(45deg);
    }

    50% {
        opacity: 1;
        -webkit-transform: rotate(160deg);
    }

    62% {
        opacity: 0;
    }

    65% {
        opacity: 0;
        -webkit-transform: rotate(200deg);
    }

    90% {
        -webkit-transform: rotate(340deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
    }

}

.loadEffect div:nth-child(1) {
    -webkit-animation-delay: 0.2s;
}

.loadEffect div:nth-child(2) {
    -webkit-animation-delay: 0.4s;
}

.loadEffect div:nth-child(3) {
    -webkit-animation-delay: 0.6s;
}

.loadEffect div:nth-child(4) {
    -webkit-animation-delay: 0.8s;
}