效果图：
代码：
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8" /><title>禁止打开盖子</title><style>* {box-sizing: border-box;-webkit-font-smoothing: antialiased;text-rendering: optimizeLegibility;scroll-behavior: smooth;}html,body {height: 100%;overflow: hidden;}body {display: flex;flex-direction: row;flex-wrap: wrap;justify-content: center;align-items: center;margin: 0;background: #cecece;}.box {width: 20em;height: 12em;background: #0f0f0f;overflow: hidden;border-radius: 1em;cursor: not-allowed;position: relative;margin: 1em;border: 0;box-shadow: 0.1em 0.1em 0.2em 0 #fff3, -0.1em -0.1em 0.2em 0 #0003;}.box .inset {background: #cecece;border-radius: 0.9em;width: 100%;height: 100%;position: relative;box-shadow: inset 0em 0em 0em 0em #0006, inset 0.1em 0.1em 0.2em 0 #fff3,inset -0.1em -0.1em 0.2em 0 #0003;}.box .inset::before {content: '';display: block;width: 0.8em;height: 7em;box-shadow: inset -0.1em -0.1em 0.1em 0.1em #fff3, inset 0.1em 0.1em0.1em 0.1em #0003;border-radius: 10px;position: absolute;top: 0;bottom: 0;margin: auto;left: 1em;}.box.moving {pointer-events: none;}.box.pushed .inset {animation: pushed 2s ease-in-out forwards;}.box.reverse .inset {animation: pushed 0.6s ease-in-out reverse forwards;}@keyframes pushed {0% {box-shadow: inset 0em 0em 0em 0em #0006, inset 0.1em 0.1em 0.2em 0#fff3, inset -0.1em -0.1em 0.2em 0 #0003;scale: 1;translate: 0%;}24% {box-shadow: inset 1.6em 1.6em 1em 0em #0006, inset 0.1em 0.1em 0.2em 0#fff3, inset -0.1em -0.1em 0.2em 0 #0003;translate: 0%;scale: 0.9;}100% {box-shadow: inset -2.8em 1.6em 1em 0em #0006, inset 0.1em 0.1em 0.2em0 #fff3, inset -0.1em -0.1em 0.2em 0 #0003;translate: 88%;scale: 0.9;}}.box .inset::after {content: '';display: block;width: 100%;height: 100%;left: 0;right: 0;top: 0;bottom: 0;margin: auto;background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"><path d="M32,62A30,30,0,1,0,2,32,30,30,0,0,0,32,62ZM32,4A28,28,0,1,1,4,32,28,28,0,0,1,32,4Z"/><path d="M13.4 49.74h0a1 1 0 0 0 .71-.29L49.45 14.14a1 1 0 0 0 0-1.45A26 26 0 0 0 12.69 49.41 1 1 0 0 0 13.4 49.74zM26 32V17.5a1.5 1.5 0 0 1 3 0V31.76l-8 8V20.5a1.5 1.5 0 0 1 3 0V32zM37.5 16A1.5 1.5 0 0 1 39 17.5v4.26l-3 3V17.5A1.5 1.5 0 0 1 37.5 16zM34 17.5v9.26l-3 3V14.5a1.5 1.5 0 0 1 3 0zM32 8a24 24 0 0 1 15.27 5.48L41 19.76V17.5a3.47 3.47 0 0 0-5-3.14A3.53 3.53 0 0 0 35 12a3.5 3.5 0 0 0-6 2.34A3.36 3.36 0 0 0 27.5 14 3.5 3.5 0 0 0 24 17.36 3.36 3.36 0 0 0 22.5 17 3.5 3.5 0 0 0 19 20.5V41.76l-5.52 5.51A24 24 0 0 1 32 8zM15.63 50.78a1 1 0 0 0 .08 1.49A26 26 0 0 0 52.27 15.71a1 1 0 0 0-1.49-.08L20.45 46zM51.39 17.85A24 24 0 0 1 17.85 51.39L21 48.27A11 11 0 0 0 30 53h1.67a11 11 0 0 0 8-3.48L50.17 38.35A3.72 3.72 0 0 0 48 32.12a3.66 3.66 0 0 0-2.75.71L41 36V28.24zm-11.84 21a1 1 0 0 0 1.05-.09l5.83-4.37a1.7 1.7 0 0 1 2.39.33 1.74 1.74 0 0 1 .35 1A1.72 1.72 0 0 1 48.71 37L38.23 48.16A9 9 0 0 1 31.67 51H30a8.94 8.94 0 0 1-7.57-4.18L39 30.24V38A1 1 0 0 0 39.55 38.89z"/></svg>');background-position: 50% 50%;background-size: 24%;background-repeat: no-repeat;position: absolute;opacity: 0.05;transition: all 0.2s ease-in-out;}.box .inset:hover::after {animation: red-glow 2s infinite ease-out;}@keyframes red-glow {0% {opacity: 0.1;filter: invert(10%) sepia(90%) saturate(4763%) hue-rotate(357deg)brightness(140%) contrast(114%) drop-shadow(0 0 0px red);}50% {opacity: 0.3;filter: invert(10%) sepia(90%) saturate(4763%) hue-rotate(357deg)brightness(140%) contrast(114%) drop-shadow(0 0 4px red);}100% {opacity: 0.1;filter: invert(10%) sepia(90%) saturate(4763%) hue-rotate(357deg)brightness(140%) contrast(114%) drop-shadow(0 0 0px red);}}.diamond {--_size: 2em;--_ratio: 1.8;--_speed: 2s;--_clr-main: hsl(0, 100%, 50%);--_clr-light: hsl(0, 100%, 90%);--_clr-dark: hsl(0, 100%, 20%);width: 0;height: 0;border: var(--_size) solid transparent;border-bottom: calc(var(--_ratio) * var(--_size)) solid var(--_clr-main);top: calc(0px - var(--_size));animation: hueAni 12s linear infinite;position: absolute;left: 0;right: 0;top: 0;bottom: 50%;margin: auto;transform-origin: 50% 100%;opacity: 0.8;transition: all 0.4s ease-in-out;}.box .diamond:hover {opacity: 1;scale: 1.2;}@keyframes hueAni {0% {filter: hue-rotate(0deg);rotate: 0;}100% {filter: hue-rotate(360deg);rotate: -360deg;}}.diamond::after {content: '';display: block;position: absolute;width: 4em;left: -2em;height: 7.2em;z-index: -1;border-radius: 100%;background: var(--_clr-main);opacity: 1;filter: blur(20px);}.diamond::before {content: '';position: absolute;left: calc(0px - var(--_size));top: calc(var(--_ratio) * var(--_size) - 0px);width: 0;height: 0;border: var(--_size) solid transparent;border-top: calc(var(--_ratio) * var(--_size)) solid var(--_clr-main);}.diamond .t {position: absolute;right: calc(0.1px - var(--_size));top: 0px;width: 0;height: 0;border-bottom: calc(var(--_ratio) * var(--_size)) solid var(--_clr-light);border-right: var(--_size) solid transparent;}.diamond .t::before {content: '';position: absolute;left: calc(1px - var(--_size));top: 0px;width: 0;height: 0;border-left: var(--_size) solid transparent;transform-origin: 100% 0%;animation: ani-t var(--_speed) infinite linear reverse, ani-t2 var(--_speed) infinite linear;}.diamond .t::after {content: '';position: absolute;right: calc(0px - var(--_size));top: 0px;width: 0;height: 0;border-right: var(--_size) solid transparent;transform-origin: 0% 0%;animation: ani-t var(--_speed) infinite linear, ani-t2 var(--_speed) infinitelinear;}@keyframes ani-t {0% {transform: scaleX(0);}100% {transform: scaleX(1);}}@keyframes ani-t2 {0% {border-bottom: calc(var(--_ratio) * var(--_size)) solid var(--_clr-main);}100% {border-bottom: calc(var(--_ratio) * var(--_size)) solid var(--_clr-light);}}.diamond .b {position: absolute;left: calc(0.1px - var(--_size));top: calc(var(--_ratio) * var(--_size));width: 0;height: 0;border-top: calc(var(--_ratio) * var(--_size)) solid var(--_clr-dark);border-left: var(--_size) solid transparent;}.diamond .b::before {content: '';position: absolute;left: calc(1px - var(--_size));top: calc(0px - var(--_size) * var(--_ratio));width: 0;height: 0;border-left: var(--_size) solid transparent;transform-origin: 100% 0%;animation: ani-b var(--_speed) infinite linear reverse, ani-b2 var(--_speed) infinite linear;}.diamond .b::after {content: '';position: absolute;right: calc(0px - var(--_size));top: calc(0px - var(--_size) * var(--_ratio));width: 0;height: 0;border-right: var(--_size) solid transparent;transform-origin: 0% 0%;animation: ani-b var(--_speed) infinite linear, ani-b2 var(--_speed) infinitelinear;}@keyframes ani-b {0% {transform: scaleX(0);}100% {transform: scaleX(1);}}@keyframes ani-b2 {0% {border-top: calc(var(--_ratio) * var(--_size)) solid var(--_clr-dark);}100% {border-top: calc(var(--_ratio) * var(--_size)) solid var(--_clr-main);}}</style></head><body><div class="box"><div class="diamond"><span class="t"></span><span class="b"></span></div><div class="inset"></div></div><script>const box = document.querySelector('.box');let isPushed = false;box.addEventListener('click', () => {if (box.classList.contains('moving')) return;box.classList.add('moving');box.classList.remove('pushed', 'reverse');void box.offsetWidth;if (isPushed) {box.classList.add('reverse');} else {box.classList.add('pushed');}isPushed = !isPushed;});box.addEventListener('animationend', () => {box.classList.remove('moving');});</script></body>
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