card-mini/vant/dist/cropper/index.wxss

/* pages/wx-cropper/index.wxss */
.wx-cropper-info {
    position: fixed;
    top: 140rpx;
    left: 0;
    right: 0;
    bottom: 0;
    display: block;
    z-index: 10000;
    align-items: center;
    flex-direction: column;
    height: 100%;
    background: #000;
}

.cropper-config {
    display: flex;
    position: fixed;
    width: 100%;
    bottom: 20rpx;
}

.cropper-config .btn {
    min-width: 300rpx;
}

.cropper-config .cropper-confirm {
    background: #fac208;
}

.cropper-content {
    min-height: 750rpx;
    width: 100%;
    height: 100%;
}

.wx-corpper {
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    box-sizing: border-box;
}

.wx-corpper-content {
    position: relative;
}

.wx-corpper-content .img {
    display: block;
    width: 100%;
    min-width: 0 !important;
    max-width: none !important;
    height: 100%;
    min-height: 0 !important;
    max-height: none !important;
    image-orientation: 0deg !important;
    margin: 0 auto;
}

/* 移动图片效果 */
.wx-cropper-drag-box {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    cursor: move;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

/* 内部的信息 */
.wx-corpper-crop-box {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    z-index: 2;
}

.wx-corpper-crop-box .wx-cropper-view-box {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
    outline: 1px solid #69f;
    outline-color: rgba(102, 153, 255, .75)
}

/* 横向虚线 */
.wx-cropper-dashed-h {
    position: absolute;
    top: 33.33333333%;
    left: 0;
    width: 100%;
    height: 33.33333333%;
    border-top: 1px dashed rgba(255, 255, 255, 0.5);
    border-bottom: 1px dashed rgba(255, 255, 255, 0.5);
}

/* 纵向虚线 */
.wx-cropper-dashed-v {
    position: absolute;
    left: 33.33333333%;
    top: 0;
    width: 33.33333333%;
    height: 100%;
    border-left: 1px dashed rgba(255, 255, 255, 0.5);
    border-right: 1px dashed rgba(255, 255, 255, 0.5);
}

/* 四个方向的线  为了之后的拖动事件*/
.wx-cropper-line-t {
    position: absolute;
    display: block;
    width: 100%;
    background-color: #69f;
    top: 0;
    left: 0;
    height: 1px;
    opacity: 0.1;
    cursor: n-resize;
}

.wx-cropper-line-t::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 0rpx;
    width: 100%;
    -webkit-transform: translate3d(0, -50%, 0);
    transform: translate3d(0, -50%, 0);
    bottom: 0;
    height: 41rpx;
    background: transparent;
    z-index: 11;
}

.wx-cropper-line-r {
    position: absolute;
    display: block;
    background-color: #69f;
    top: 0;
    right: 0px;
    width: 1px;
    opacity: 0.1;
    height: 100%;
    cursor: e-resize;
}

.wx-cropper-line-r::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 41rpx;
    -webkit-transform: translate3d(-50%, 0, 0);
    transform: translate3d(-50%, 0, 0);
    bottom: 0;
    height: 100%;
    background: transparent;
    z-index: 11;
}

.wx-cropper-line-b {
    position: absolute;
    display: block;
    width: 100%;
    background-color: #69f;
    bottom: 0;
    left: 0;
    height: 1px;
    opacity: 0.1;
    cursor: s-resize;
}

.wx-cropper-line-b::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 0rpx;
    width: 100%;
    -webkit-transform: translate3d(0, -50%, 0);
    transform: translate3d(0, -50%, 0);
    bottom: 0;
    height: 41rpx;
    background: transparent;
    z-index: 11;
}

.wx-cropper-line-l {
    position: absolute;
    display: block;
    background-color: #69f;
    top: 0;
    left: 0;
    width: 1px;
    opacity: 0.1;
    height: 100%;
    cursor: w-resize;
}

.wx-cropper-line-l::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 41rpx;
    -webkit-transform: translate3d(-50%, 0, 0);
    transform: translate3d(-50%, 0, 0);
    bottom: 0;
    height: 100%;
    background: transparent;
    z-index: 11;
}

.wx-cropper-point {
    width: 5px;
    height: 5px;
    background-color: #69f;
    opacity: .75;
    position: absolute;
    z-index: 3;
}

.point-t {
    top: -3px;
    left: 50%;
    margin-left: -3px;
    cursor: n-resize;
}

.point-tr {
    top: -3px;
    left: 100%;
    margin-left: -3px;
    cursor: n-resize;
}

.point-r {
    top: 50%;
    left: 100%;
    margin-left: -3px;
    margin-top: -3px;
    cursor: n-resize;
}

.point-rb {
    left: 100%;
    top: 100%;
    -webkit-transform: translate3d(-50%, -50%, 0);
    transform: translate3d(-50%, -50%, 0);
    cursor: n-resize;
    /* width: 24rpx; */
    /* height: 24rpx; */
    background-color: #69f;
    position: absolute;
    z-index: 1112;
    opacity: 1;
}

.point-b {
    left: 50%;
    top: 100%;
    margin-left: -3px;
    margin-top: -3px;
    cursor: n-resize;
}

.point-bl {
    left: 0%;
    top: 100%;
    margin-left: -3px;
    margin-top: -3px;
    cursor: n-resize;
}

.point-l {
    left: 0%;
    top: 50%;
    margin-left: -3px;
    margin-top: -3px;
    cursor: n-resize;
}

.point-lt {
    left: 0%;
    top: 0%;
    margin-left: -3px;
    margin-top: -3px;
    cursor: n-resize;
}