ios里面实色到透明渐变，右侧出现未知1px实线解决
.el{background: linear-gradient(to right, #000000, rgba(0, 0, 0, 0.01), rgba(0, 0, 0, 0)); transform: translateZ(0);}
.el{background: linear-gradient(to right, #000000, rgba(0, 0, 0, 0.01), rgba(0, 0, 0, 0)); transform: translateZ(0);}