body {
	margin: 0;
	display: flex;
	justify-content: center;
	align-items: flex-end; 
	height: 100vh; 
	background-image: url('imgs/5.jpg');
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	overflow: hidden;
	position: relative;
}

body::before {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.2);
	z-index: -1;
}
.loading-overlay {
  pointer-events: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: black;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 1s ease;
}

.loading-logo {
  display: flex;
  flex-wrap: wrap;
  width: 100px;
  height: 100px;
  margin-bottom: 150px;
}

.loading-logo .window {
  width: 48px;
  height: 48px;
  margin: 1px;
}

.windows-loading-spinner {
  fill: none;
  stroke: white;
  stroke-width: 2;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
	transform: rotate(0deg);
  }
  to {
	transform: rotate(360deg);
  }
}
.windows-loading-spinner {
  box-sizing: border-box;
  width: 3rem;
  height: 3rem;
  padding: 2px;
  overflow: visible;
}

.windows-loading-spinner > circle {
  stroke: #fff;
  fill: none;
  stroke-width: 2px;
  stroke-linecap: round;
  transform-origin: 50% 50%;
  transition: all 0.2s ease-in-out 0s;
  animation: 3s linear 0s infinite normal none running loading-spinner;
}

@keyframes loading-spinner {
  0% {
	stroke-dasharray: 0.01px, 43.97px;
	transform: rotate(0);
  }

  50% {
	stroke-dasharray: 21.99px, 21.99px;
	transform: rotate(450deg);
  }

  100% {
	stroke-dasharray: 0.01px, 43.97px;
	transform: rotate(1080deg);
  }
}

.taskbar {
	position: relative;
	width: calc(160%); 
	height: 48px; 
	background: rgba(209, 209, 231, 1); 
	backdrop-filter: blur(10px); 
	display: flex;
	justify-content: center;
	align-items: center; 
	box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.3);
	margin-left: -2px;
	gap: 0.01m;
	z-index: 10
}
.lefticon {
	position: absolute; 
	left: 0; 
	display: flex;
	align-items: center;
	margin-right: 1em; 
}
.icons {
	position: absolute; 
	right: 0;
	display: flex;
	align-items: center;
	margin-right: 1em;
}
.content {
	position: relative;
	margin: 10px;
	align-items: center;
	cursor: pointer;
}

.content::after {
	content: '';
	position: absolute;
	top: 50%; 
	left: 50%;
	width: calc(100% + 20px);
	height: calc(100% + 15px);
	background-color: rgba(255, 255, 255, 0.3); 
	border-radius: 4px;
	opacity: 0; 
	transition: opacity 0.3s ease; 
	z-index: -1; 
	transform: translate(-50%, -50%); 
}

.content:hover::after {
	opacity: 1; 
	z-index: -1; 
}

.icon {
	width: 17px;
	height: 17px;
	margin-left: 0.1em; 
}
.button {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 3.3em; 
	height: 3.6em; 
	border: none;
	cursor: pointer;
	border-radius: 0.4em;
	background: rgba(240, 240, 240, 0);
}

.button::after {
	content: "";
	position: absolute;
	top: 5.3px;
	left: 3px;
	width: 38px;
	height: 38px;
	background-color: rgba(255, 255, 255, 0.6); 
	border-radius: 0.4em; 
	opacity: 0;
	transition: opacity 0.3s ease;
	z-index: -1; 
}

.button:hover::after {
	opacity: 1; 
}

.windows-button {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 3.3em; 
	height: 3.6em; 
	border: none;
	cursor: pointer;
	border-radius: 0.4em;
	background: rgba(240, 240, 240, 0);
	transition: transform 0.2s ease; /* 添加过渡效果 */
}

.windows-button::after {
	content: "";
	position: absolute;
	top: 5.3px;
	left: 3px;
	width: 89%;
	height: 84%;
	border-radius: 0.4em; 
	opacity: 0;
	transition: opacity 0.3s ease;
	z-index: -1; 
}

.windows-button:hover::after {
	opacity: 1; 
}

.windows-button:active {
	transform: scale(0.6); /* 点击时缩小 */
}

.container {
	position: relative;
	width: 24px; 
	height: 24px; 
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	grid-template-rows: repeat(2, 1fr);
	gap: 0.1em; 
}

.window {
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.window_one {
	background-color: rgb(100, 175, 230);
	border-top-left-radius: 0.3em;
}

.window_two {
	background: linear-gradient(135deg, rgb(100, 175, 230), rgb(0, 120, 212));
	border-top-right-radius: 0.3em;
}

.window_three {
	background: linear-gradient(135deg, rgb(100, 175, 230), rgb(0, 120, 212));
	border-bottom-left-radius: 0.3em;
}

.window_four {
	background-color: rgb(0, 120, 212);
	border-bottom-right-radius: 0.3em;
}

.active_line {
	content: "";
	position: absolute;
	bottom: 4px; 
	width: 0.7em; 
	height: 0.3em; 
	background-color: #999;
	border: none;
	border-radius: 1em;
	transition: all 0.15s linear;
	opacity: 1;
}

.button.active .active_line {
	width: 2em; 
	background-color: rgb(41, 126, 255);
	opacity: 1; 
}

.button.active::after {
	opacity: 1; 
}

.button:focus .container {
	animation: wow 1s forwards;
}
@keyframes wow {
	20% {
		scale: 0.8;
	}
	30% {
		scale: 1;
		transform: translateY(0);
	}
	50% {
		transform: translateY(-6px);
	}
	65% {
		transform: translateY(2px);
	}
	80% {
		transform: translateY(0);
	}
	100% {
		scale: 1;
	}
}
#iframeContainer iframe {
	transition: opacity 1s ease-in-out;
}

.text {
	content: "";
	position: absolute;
	top: -2em; 
	height: 1.5em; 
	background-color: #666;
	color: #fff;
	display: flex;
	justify-content: center;
	align-items: center;
	border: none;
	border-radius: 5px;
	text-shadow: 0 0 10px rgb(0, 0, 0);
	opacity: 0;
	transition: all 0.25s linear;
	padding: 0 0.5em; 
	white-space: nowrap; 
}

.button:hover .text {
	opacity: 1;
}
.time-display {
	font-size: 12px; 
	text-align: center; 
	color: #000; 
}
.time-display div {
	line-height: 1;
}
.title-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 32px;
  background-color: #f3f3f3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.title-bar .left {
  display: flex;
  align-items: center;
  padding-left: 10px;
}

.title-bar .left .icon {
  height: 16px;
  margin-right: 6px;
}

.title-bar .left span {
  font-size: 12px;
  color: #333;
}

.title-bar .right {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.title-bar .right .button-container {
  position: relative;
  width: 47px;
  height: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.title-bar .right .button {
  width: 14px;
  height: 14px;
  cursor: pointer;
  z-index: 2;
}

.title-bar .right .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 47px;
  height: 32px;
  background-color: transparent;
  opacity: 0;
  transition: background-color 0.2s ease-in-out, opacity 0.2s ease-in-out;
  z-index: 1;
}

.title-bar .right .button-container:hover .mask {
  opacity: 1;
}

.title-bar .right .mask.minimize,
.title-bar .right .mask.maximize {
  background-color: rgba(200, 200, 200, 0.4);
}

.title-bar .right .mask.close {
  background-color: rgba(255, 0, 0, 0.9);
}
.start {
	width: 37.5rem; 
	height: 30rem; 
	border-radius: 7px; 
	background: rgba(255, 255, 255, 0.8); 
	backdrop-filter: blur(10px); 
	display: flex;
	justify-content: center;
	align-items: center;
	position: fixed;
	transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
	transform: translateY(100%);
	opacity: 0; 
	visibility: hidden;
	z-index: 100;
}

.start.hidden {
	transform: translateY(0); 
	opacity: 1; 
	visibility: visible;
	margin-bottom: 60px;
}

.start-footer {
    height: 3.75rem; 
    width: 100%; 
    background-color: rgba(200, 200, 200, 0.2); 
    position: absolute; 
    bottom: 0;
    left: 0; 
    border-bottom-left-radius: 7px; 
    border-bottom-right-radius: 7px; 
}
.divider {
    height: 0.6px; 
    width: 100%; 
    background-color: rgba(100, 100,100, 0.8); 
}
.rectangle-button {
    width: 8.125rem; 
    height: 2.8125rem;
    background-color: transparent; 
    border-radius: 4px; 
    transition: background-color 0.3s ease;
    overflow: hidden;
	position: relative; 
	display: flex; 
	align-items: center;
	justify-content: center;
	cursor: pointer;
	top: 0.4375rem; 
	left: 1.875rem;
}
.rectangle-button:hover {
    background-color: white; 
}
.power-button {
    width: 2.5rem; 
    height: 2.5rem;
    background-color: transparent; 
    border-radius: 4px; 
    transition: background-color 0.3s ease;
    overflow: hidden;
	position:  absolute; 
	display: flex; 
	align-items: center;
	justify-content: center;
	cursor: pointer;
	top: 0.625rem; 
	right: 1.875rem;
	z-index: 10;
}
.power-button:hover {
    background-color: white; 
}
.friends-button {
    width: 5.625rem; 
    height:4.6875rem;
    background-color: transparent; 
    border-radius: 4px; 
    transition: background-color 0.1s ease;
    overflow: hidden;
	position: relative; 
	display: flex; 
	align-items: center;
	justify-content: center;
	flex-direction: column;
	gap: 0.1875rem;  
	font-size: 0.75rem;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
	cursor: pointer;
	border: none;
	
}
.friends-button:hover {
    background-color: white; 
}
.round-image {
    width: 1.5625rem;
    height: 1.5625rem; 
    border-radius: 50%; 
    object-fit: cover;
	position: relative;
	margin-right: 0.625rem;
}
.apps {
	height: 1.25rem;
	background-color: white;
	color: black;
	border: none;
	border-radius: 3px;
	font-size: 0.75rem;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
	cursor: pointer;
}
.friends {
	height: 16.25rem;
	width: 32.1875rem;
	display: flex; 
	flex-wrap: wrap;
	gap: 0.625rem; 
}
.typewriter {
  --blue: #5C86FF;
  --blue-dark: #275EFE;
  --key: #fff;
  --paper: #EEF0FD;
  --text: #D3D4EC;
  --tool: #FBC56C;
  --duration: 3s;
  position: relative;
  -webkit-animation: bounce05 var(--duration) linear infinite;
  animation: bounce05 var(--duration) linear infinite;
}

.typewriter .slide {
  width: 92px;
  height: 20px;
  border-radius: 3px;
  margin-left: 14px;
  transform: translateX(14px);
  background: linear-gradient(var(--blue), var(--blue-dark));
  -webkit-animation: slide05 var(--duration) ease infinite;
  animation: slide05 var(--duration) ease infinite;
}

.typewriter .slide:before, .typewriter .slide:after,
.typewriter .slide i:before {
  content: "";
  position: absolute;
  background: var(--tool);
}

.typewriter .slide:before {
  width: 2px;
  height: 8px;
  top: 6px;
  left: 100%;
}

.typewriter .slide:after {
  left: 94px;
  top: 3px;
  height: 14px;
  width: 6px;
  border-radius: 3px;
}

.typewriter .slide i {
  display: block;
  position: absolute;
  right: 100%;
  width: 6px;
  height: 4px;
  top: 4px;
  background: var(--tool);
}

.typewriter .slide i:before {
  right: 100%;
  top: -2px;
  width: 4px;
  border-radius: 2px;
  height: 14px;
}

.typewriter .paper {
  position: absolute;
  left: 24px;
  top: -26px;
  width: 40px;
  height: 46px;
  border-radius: 5px;
  background: var(--paper);
  transform: translateY(46px);
  -webkit-animation: paper05 var(--duration) linear infinite;
  animation: paper05 var(--duration) linear infinite;
}

.typewriter .paper:before {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 7px;
  border-radius: 2px;
  height: 4px;
  transform: scaleY(0.8);
  background: var(--text);
  box-shadow: 0 12px 0 var(--text), 0 24px 0 var(--text), 0 36px 0 var(--text);
}

.typewriter .keyboard {
  width: 120px;
  height: 56px;
  margin-top: -10px;
  z-index: 1;
  position: relative;
}

.typewriter .keyboard:before, .typewriter .keyboard:after {
  content: "";
  position: absolute;
}

.typewriter .keyboard:before {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  transform: perspective(10px) rotateX(2deg);
  transform-origin: 50% 100%;
}

.typewriter .keyboard:after {
  left: 2px;
  top: 25px;
  width: 11px;
  height: 4px;
  border-radius: 2px;
  box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  -webkit-animation: keyboard05 var(--duration) linear infinite;
  animation: keyboard05 var(--duration) linear infinite;
}

@keyframes bounce05 {
  85%, 92%, 100% {
    transform: translateY(0);
  }

  89% {
    transform: translateY(-4px);
  }

  95% {
    transform: translateY(2px);
  }
}

@keyframes slide05 {
  5% {
    transform: translateX(14px);
  }

  15%, 30% {
    transform: translateX(6px);
  }

  40%, 55% {
    transform: translateX(0);
  }

  65%, 70% {
    transform: translateX(-4px);
  }

  80%, 89% {
    transform: translateX(-12px);
  }

  100% {
    transform: translateX(14px);
  }
}

@keyframes paper05 {
  5% {
    transform: translateY(46px);
  }

  20%, 30% {
    transform: translateY(34px);
  }

  40%, 55% {
    transform: translateY(22px);
  }

  65%, 70% {
    transform: translateY(10px);
  }

  80%, 85% {
    transform: translateY(0);
  }

  92%, 100% {
    transform: translateY(46px);
  }
}

@keyframes keyboard05 {
  5%, 12%, 21%, 30%, 39%, 48%, 57%, 66%, 75%, 84% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }

  9% {
    box-shadow: 15px 2px 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }

  18% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 2px 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }

  27% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 12px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }

  36% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 12px 0 var(--key), 60px 12px 0 var(--key), 68px 12px 0 var(--key), 83px 10px 0 var(--key);
  }

  45% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 2px 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }

  54% {
    box-shadow: 15px 0 0 var(--key), 30px 2px 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }

  63% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 12px 0 var(--key);
  }

  72% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 2px 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 10px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }

  81% {
    box-shadow: 15px 0 0 var(--key), 30px 0 0 var(--key), 45px 0 0 var(--key), 60px 0 0 var(--key), 75px 0 0 var(--key), 90px 0 0 var(--key), 22px 10px 0 var(--key), 37px 12px 0 var(--key), 52px 10px 0 var(--key), 60px 10px 0 var(--key), 68px 10px 0 var(--key), 83px 10px 0 var(--key);
  }
}