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 0.1em
0.1em 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 0.2em
0 #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) infinite
linear;
}
@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) infinite
linear;
}
@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>
</html>
