js+css实现天气预报卡片折叠背景模糊效果代码-html代码-BFW代码库

代码语言：html
代码描述：js+css实现天气预报卡片折叠背景模糊效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  

  <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
  
  
  
<style>
* {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --hue: 223;
  --bg: hsl(var(--hue),90%,90%);
  --fg: hsl(var(--hue),90%,10%);
  --primary: hsl(var(--hue),90%,50%);
  --anim-dur: 0.4s;
  --trans-dur: 0.3s;
  --ease-in-out: cubic-bezier(0.67,0,0.33,1);
  --ease-out: cubic-bezier(0.33,1,0.67,1);
  font-size: calc(14px + (30 - 14) * (100vw - 280px) / (3840 - 280));
}

body,
button {
  color: var(--fg);
  font: 1em/1.5 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, sans-serif;
}

body {
  background: url("//repo.bfw.wiki/bfwrepo/image/6685c47d30e1a.png") center/cover, var(--bg);
  height: 100vh;
}

main {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.75em;
  padding: 1.5em 0;
  width: 100%;
  height: min-content;
  min-height: 100%;
}

.widget {
  background-color: hsla(var(--hue), 90%, 10%, 0.35);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 1.75em;
  color: white;
  flex-shrink: 0;
  position: relative;
  width: 18em;
  min-height: 4.5em;
}
.widget__btn, .widget__details {
  padding: 1em;
  padding-inline-start: 1.25em;
}
.widget__btn {
  background-color: hsla(var(--hue), 90%, 10%, 0);
  border-radius: 1.75em;
  box-shadow: 0 0 0 0.125em hsla(var(--hue), 90%, 90%, 0) inset;
  color: currentColor;
  cursor: pointer;
  display: flex;
  align-items: center;
  outline: transparent;
  position: relative;
  width: 100%;
  transition: background-color var(--trans-dur) var(--ease-in-out), box-shadow calc(var(--trans-dur) / 2) var(--ease-in-out);
  -webkit-tap-highlight-color: transparent;
}
.widget__btn:focus-visible {
  box-shadow: 0 0 0 0.125em hsla(var(--hue), 90%, 90%, 1) inset;
}
.widget__btn:hover {
  background-color: hsla(var(--hue), 90%, 10%, 0.1);
}
.widget__btn::marker, .widget__btn::-webkit-details-marker {
  display: none;
}
.widget__bull {
  margin: 0 0.5em;
}
.widget__detail {
  display: block;
}
.widget__detail-icon {
  display: block;
  width: 1em;
  height: 1em;
}
.widget__detail-name {
  font-size: 0.75em;
  opacity: 0.8;
}
.widget__detail-value {
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.widget__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 1em;
  padding-inline-end: 6em;
  position: relative;
}
.widget__temp {
  font-size: 3em;
  line-height: 1;
}
.widget__temp sup {
  display: inline-block;
  font-size: 0.833rem;
  line-height: 1;
  transform: translateY(-66.7%);
}
[dir=rtl] .widget__temp {
  right: auto;
  left: 1rem;
}
.widget__top, .widget__weather {
  display: flex;
}
.widget__top {
  flex: 1;
  flex-direction: column;
  margin-inline-end: 0.5em;
}
.widget__weather {
  font-size: 0.75em;
  line-height: 1;
  opacity: 0.8;
  text-transform: capitalize;
}
.widget__weather-symbol {
  display: block;
  margin-bottom: 1em;
  pointer-events: none;
  position: absolute;
  right: 1rem;
  bottom: 100%;
  width: 3em;
  height: 3em;
}
[dir=rtl] .widget__weather-symbol {
  right: auto;
  left: 1rem;
}
.widget[open] .widget__btn {
  border-radius: 1.75em 1.75em 0 0;
}
.widget.collapsing, .widget.expanding {
  overflow: hidden;
}
.widget.collapsing .widget__temp {
  animation: widget-slide-up var(--anim-dur) var(--ease-out);
}
.widget.collapsing .widget__detail, .widget.collapsing .widget__weather-symbol {
  animation: widget-fade-out var(--anim-dur) var(--ease-out);
}
.widget[open] .widget__temp {
  transform: translateY(9rem);
}
.widget.expanding .widget__temp {
  animation: widget-slide-down var(--anim-dur) var(--ease-out);
}
.widget.expanding .widget__detail, .widget.expanding .widget__weather-symbol {
  animation: widget-fade-slide-in var(--anim-dur) var(--ease-out);
}
.widget.expanding .widget__detail:nth-of-type(2) {
  animation-delay: calc(var(--anim-dur) * 0.1);
}
.widget.expanding .widget__detail:nth-of-type(3) {
  animation-delay: calc(var(--anim-dur) * 0.2);
}
.widget.expanding .widget__detail:nth-of-type(4) {
  animation-delay: calc(var(--anim-dur) * 0.3);
}

/* Animations */
@keyframes widget-fade-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
@keyframes widget-fade-slide-in {
  from, 50% {
    opacity: 0;
    transform: translateY(50%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes widget-slide-down {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(9rem);
  }
}
@keyframes widget-slide-up {
  from {
    transform: translateY(9rem);
  }
  to {
    transform: translateY(0);
  }
}
</style>


  
</head>

<body translate="no">
  <svg display="none">
	<symbol id="wind" viewBox="0 0 16 16">
		<g fill="none" stroke="hsl(0,0%,100%)" stroke-linecap="round" stroke-width="2">
			<polyline points="2 3,10 3" />
			<polyline points="6 8,14 8" />
			<polyline points="2 13,10 13" />
		</g>
	</symbol>
	<symbol id="visibility" viewBox="0 0 16 16">
		<g fill="none" stroke="hsl(0,0%,100%)" stroke-width="2">
			<ellipse cx="8" cy="8" rx="7" ry="4" />
			<circle cx="8" cy="8" r="2" />
		</g>
	</symbol>
	<symbol id="air-quality" viewBox="0 0 16 16">
		<g fill="hsl(0,0%,100%)">
			<circle cx="4" cy="11" r="2" />
			<circle cx="8" cy="5" r="2" />
			<circle cx="12" cy="11" r="2" />
		</g>
	</symbol>
	<symbol id="humidity" viewBox="0 0 16 16">
		<g fill="none" stroke="hsl(0,0%,100%)" stroke-linecap="round" stroke-linejoin="round" stroke-width="2">
			<path d="M 1 3 C 6 7, 10 0, 15 4" transform="translate(0,-1)" />
			<path d="M 1 3 C 6 7, 10 0, 15 4" transform="translate(0,3)" />
			<path d="M 1 3 C 3 5, 6 4, 8 3" transform="translate(0,7)" />
			<path d="M 4 1 C -3 8, 11 8, 4 1" transform="translate(8,8)" />
		</g>
	</symbol>
	<symbol id="sunny" viewBox="0 0 48 48">
		<g stroke="hsl(53,90%,50%)" stroke-linecap="round" stroke-width="4">
			<polyline points="24 24,24 21" transform="rotate(0,24,24) translate(0,-18)" />
			<polyline points="24 24,24 21" transform="rotate(45,24,24) translate(0,-18)" />
			<polyline points="24 24,24 21" transform="rotate(90,24,24) translate(0,-18)" />
			<polyline points="24 24,24 21" transform="rotate(135,24,24) translate(0,-18)" />
			<polyline points="24 24,24 21" transform="rotate(180,24,24) translate(0,-18)" />
			<polyline points="24 24,24 21" transform="rotate(225,24,24) translate(0,-18)" />
			<polyline points="24 24,24 21" transform="rotate(270,24,24) translate(0,-18)" />
			<polyline points="24 24,24 21" transform="rotate(315,24,24) translate(0,-18)" />
		</g>
		<circle cx="24" cy="24" r="12" fill="hsl(53,90%,50%)" />
	</symbol>
	<symbol id="cloudy" viewBox="0 0 48 48">
		<g fill="hsl(0,0%,100%)" transform="translate(0,6)">
			<rect x="0" y="12" width="48" height="20" rx="10" ry="10" />
			<circle cx="28" cy="14" r="14" />
			<circle cx="14" cy="10" r="6" />
		</g>
	</symbol>
</svg>
<main>
	<details id="widget1" class="widget" open>
		<summary class="widget__btn">
			<span class="widget__top">
				<span data-stat="city">-</span>
				<small class="widget__weather">
					<span data-stat="kind">-</span>
					<span class="widget__bull">&bull;</span>
					<time data-stat="time">-</time>
				</small>
			</span>
			<div class="widget__temp">
				<span data-stat="temperature">-</span><sup>&deg;<span data-stat="temperature_scale">-</span></sup>
			</div>
		</summary>
		<div class="widget__details">
			<svg class="widget__weather-symbol" width="16px" height="16px" aria-hidden="true">
				<use href="#" data-symbol />
			</svg>
			<span class="widget__detail">
				<small class="widget__detail-name">Wind</small>
				<br>
				<span class="widget__detail-value">
					<svg class="widget__detail-icon" width="16px" height="16px" aria-hidden="true">
						<use href="#wind" />
					</svg>
					<span data-stat="wind">-</span>
				</span>
			</span>
			<span class="widget__detail">
				<small class="widget__detail-name">Visibility</small>
				<br>
				<span class="widget__detail-value">
					<svg class="widget__detail-icon" width="16px" height="16px" aria-hidden="true">
						<use href="#visibility" />
					</svg>
					<span data-stat="visibility">-</span>
				</span>
			</span>
			<span class="widget__detail">
				<small class="widget__detail-name">Air Quality</small>
				<br>
				<span class="widget__detail-value">
					<svg class="widget__detail-icon" width="16px" height="16px" aria-hidden="true">
						<use href="#air-quality" />
					</svg>
					<span data-stat="air_quality">-</span>
				</span>
			</span>
			<span class="widget__detail">
				<small class="widget__detail-name">Humidity</small>
				<br>
				<span class="widget__detail-value">
					<svg class="widget__detail-icon" .........完整代码请登录后点击上方下载按钮下载查看