* {
    margin: 0;
    padding: 0;
    font-family: 黑体;
}

body {
    font-family: 黑体;
}

img {
    pointer-events: none;
    -webkit-user-select: none;
}

.wrap {
    min-width: 320px;
    max-width: 640px;
    margin: auto;
    height: 100%;
    overflow: hidden;
    position: relative;
}


.tran {
    -webkit-transform: translateX(-50%) translateY(-50%);
    -moz-transform: translateX(-50%) translateY(-50%);
    -ms-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
}

.tranX {
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
}

.tranY {
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}

.rel {
    position: relative;
}

.abs {
    position: absolute;
}

.w-img {
    width: 100%;
    vertical-align: middle;
}

.cus-none {
    border: none;
    background: none;
    outline: none;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: rgba(255,255,255,0); /*选中时的阴影*/
}