CSS画个Android手机

            
            body {
    height: 100vh;
    width: 100%;
    background: #d4ebf1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone {
    --container-size: 0.05em;
    font-size: var(--container-size);
  
    position: relative;
    width: 400em;
    height: 800em;
    border: 20em solid #000;
    border-radius: 60em;
}

.phone:before {
    content: "";
    position: absolute;
    width: 421em;
    height: 815em;
    box-shadow: 0 0 24em #fff;
    border-radius: 45em;
    left: -10em;
    top: -8em;
}

.phone:after {
    content: "";
    position: absolute;
    width: 421em;
    height: 815em;
    box-shadow: 0em 0em 24em #fff;
    border-radius: 48em;
    left: -10em;
    top: -8em;
    background: #19191d;
}

.box {
    position: absolute;
    border: #000000 1em solid;
    width: 423em;
    height: 817em;
    left: -12em;
    top: -10em;
    z-index: 9;
    border-radius: 50em;
    box-shadow: #2e2c2c 0 0 14em;
}

.box:before {
    content: "";
    position: absolute;
    width: 410em;
    height: 789em;
    border-radius: 50em;
    top: 10em;
    left: 6em;
    z-index: -1;
    background-size: 100%;
    background-position: bottom;
    background-image: linear-gradient(45deg, #46a7c0 50%, #185c92 50%, #185c92 100%);
}

.volume {
    width: 9em;
    height: 100em;
    border: #000 1em solid;
    background: linear-gradient(#8c8c8c, #000 9%, #222, #000 94%, #353535 100%);
    position: absolute;
    right: -25em;
    top: 125em;
    z-index: -1;
    border-radius: 20em;
}

.power {
    width: 9em;
    height: 46em;
    border: #000 1em solid;
    background: linear-gradient(#8c8c8c, #000 9%, #222, #000 94%, #353535 100%);
    position: absolute;
    right: -25em;
    top: 260em;
    z-index: -1;
    border-radius: 20em;
}

.camera {
    position: absolute;
    width: 22em;
    height: 22em;
    background: #19191d;
    border-radius: 100%;
    top: 10em;
    left: 20em;
    z-index: 9;
}

.receiver {
    position: absolute;
    top: -13em;
    left: 50%;
    margin-left: -50em;
    background: #000000;
    border: #484848 1em solid;
    width: 100em;
    height: 8em;
    z-index: 9;
    border-radius: 20em;
}

.receiver div {
    width: 100em;
    height: 8em;
}

.receiver div:after {
    content: "";
    display: block;
    width: 95%;
    height: 83%;
    top: 1em;
    left: 3em;
    position: absolute;
    background-repeat: no-repeat;
    background-image: repeating-linear-gradient(to right, #434242, #000000 1em, rgba(255, 255, 255, 0) 1em, rgba(255, 255, 255, 0) 3em), repeating-linear-gradient(to right, #434242, #19191d 1em, rgba(255, 255, 255, 0) 1em, rgba(255, 255, 255, 0) 3em);
    background-size: 100% 50%;
    background-position: 0 0, 2em 4em;
    transform: skew(-25deg);
}
        

            
            
function initContainerSize() {
    // 取窗口短边与1000之比
    const p = Math.min(window.innerWidth / 500, window.innerHeight / 1000);
    const el = document.querySelector(".phone");
    el.style.setProperty("--container-size", p + "px");
}
initContainerSize();
window.addEventListener('resize', initContainerSize);