<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>旋转动画网页特效</title>
<style>
body {
margin: 0;
padding: 0;
background-color: #000;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
font-family: Arial, sans-serif;
}
.portal-container {
position: relative;
width: 300px;
height: 300px;
}
.portal {
position: absolute;
width: 100%;
height: 100%;
border-radius: 50%;
background: radial-gradient(circle, #00ffff 0%, #0088ff 50%, #0000ff 100%);
box-shadow: 0 0 50px #00ffff, 0 0 100px #0088ff;
animation: pulse 2s infinite alternate;
overflow: hidden;
}
.portal-inner {
position: absolute;
width: 100%;
height: 100%;
background: conic-gradient(
from 0deg,
transparent 0%,
rgba(0, 255, 255, 0.5) 10%,
transparent 20%,
transparent 30%,
rgba(0, 200, 255, 0.5) 40%,
transparent 50%,
transparent 60%,
rgba(0, 150, 255, 0.5) 70%,
transparent 80%,
transparent 90%,
rgba(0, 100, 255, 0.5) 100%
);
animation: spin 4s linear infinite;
}
.particles {
position: absolute;
width: 100%;
height: 100%;
}
.particle {
position: absolute;
width: 4px;
height: 4px;
background-color: #fff;
border-radius: 50%;
opacity: 0;
animation: float 3s infinite;
}
.link-container {
position: absolute;
bottom: -50px;
width: 100%;
text-align: center;
color: white;
}
.link-container a {
color: #00ffff;
text-decoration: none;
font-size: 14px;
}
@keyframes pulse {
0% {
transform: scale(1);
box-shadow: 0 0 50px #00ffff, 0 0 100px #0088ff;
}
100% {
transform: scale(1.05);
box-shadow: 0 0 70px #00ffff, 0 0 140px #0088ff;
}
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
@keyframes float {
0% {
transform: translateY(0) translateX(0);
opacity: 0;
}
10% {
opacity: 1;
}
90% {
opacity: 1;
}
100% {
transform: translateY(-150px) translateX(random(100) - 50px);
opacity: 0;
}
}
</style>
</head>
<body>
<div class="portal-container">
<div class="portal">
<div class="portal-inner"></div>
<div class="particles" id="particles"></div>
</div>
</div>
<script>
// Create particles
const particlesContainer = document.getElementById('particles');
const particleCount = 30;
for (let i = 0; i < particleCount; i++) {
const particle = document.createElement('div');
particle.classList.add('particle');
// Random position
const x = Math.random() * 100;
const y = Math.random() * 100;
particle.style.left = `${x}%`;
particle.style.top = `${y}%`;
// Random delay
const delay = Math.random() * 5;
particle.style.animationDelay = `${delay}s`;
// Random size
const size = Math.random() * 3 + 2;
particle.style.width = `${size}px`;
particle.style.height = `${size}px`;
particlesContainer.appendChild(particle);
}
</script>
</body>
</html>
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