前期回顾
https://blog.csdn.net/m0_57904695/article/details/139838176?spm=1001.2014.3001.5501
https://blog.csdn.net/m0_57904695/article/details/139838176?spm=1001.2014.3001.5501
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>登录界面</title><style>* {margin: 0;padding: 0;box-sizing: border-box;}section {position: relative;overflow: hidden;display: flex;justify-content: center;align-items: center;min-height: 100vh;background: linear-gradient(to bottom, #f1f4f9, #dff1ff);}section .color {position: absolute;filter: blur(200px);}section .color:nth-child(1) {top: -350px;width: 600px;height: 600px;background: #ff359b;}section .color:nth-child(2) {bottom: -150px;left: 100px;width: 500px;height: 500px;background: #fffd87;}section .color:nth-child(3) {bottom: 50px;right: 100px;width: 500px;height: 500px;background: #00d2ff;}.box {position: relative;}.box .circle {position: absolute;background: rgba(255, 255, 255, 0.1);/* backdrop-filter属性为一个元素后面区域添加模糊效果 */backdrop-filter: blur(5px);box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);border: 1px solid rgba(255, 255, 255, 0.5);border-right: 1px solid rgba(255, 255, 255, 0.2);border-bottom: 1px solid rgba(255, 255, 255, 0.2);border-radius: 50%;filter: hue-rotate(calc(var(--x) * 70deg));animation: animate 10s linear infinite;animation-delay: calc(var(--x) * -1s);}@keyframes animate {0%,100% {transform: translateY(-50px);}50% {transform: translateY(50px);}}.box .circle:nth-child(1) {top: -50px;right: -60px;width: 100px;height: 100px;}.box .circle:nth-child(2) {top: 150px;left: -100px;width: 120px;height: 120px;z-index: 2;}.box .circle:nth-child(3) {bottom: 50px;right: -60px;width: 80px;height: 80px;z-index: 2;}.box .circle:nth-child(4) {bottom: -80px;left: 100px;width: 60px;height: 60px;}.box .circle:nth-child(5) {top: -80px;left: 140px;width: 60px;height: 60px;}/* 登录框样式 */.container {position: relative;width: 400px;min-height: 400px;background: rgba(255, 255, 255, 0.1);display: flex;justify-content: center;align-items: center;backdrop-filter: blur(5px);box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);border: 1px solid rgba(255, 255, 255, 0.5);border-right: 1px solid rgba(255, 255, 255, 0.2);border-bottom: 1px solid rgba(255, 255, 255, 0.2);}.form {position: relative;width: 100%;height: 100%;padding: 50px;}/* 登录标题样式 */.form h2 {position: relative;color: #fff;font-size: 24px;font-weight: 600;letter-spacing: 5px;margin-bottom: 30px;cursor: pointer;}/* 登录标题的下划线样式 */.form h2::before {content: "";position: absolute;left: 0;bottom: -10px;width: 0px;height: 3px;background: #fff;transition: 0.5s;}.form h2:hover:before {width: 53px;}.form .inputBox {width: 100%;margin-top: 20px;}/* 输入框样式 */.form .inputBox input {width: 100%;padding: 10px 20px;background: rgba(255, 255, 255, 0.2);outline: none;border: none;border-radius: 30px;border: 1px solid rgba(255, 255, 255, 0.5);border-right: 1px solid rgba(255, 255, 255, 0.2);border-bottom: 1px solid rgba(255, 255, 255, 0.2);font-size: 16px;box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);}/* 登录按钮样式 */.form .inputBox input[type="submit"] {background: #fff;color: #666;max-width: 100px;margin-bottom: 20px;font-weight: 600;cursor: pointer;}.forget {margin-top: 6px;display: flex;justify-content: space-evenly;}.forget a {font-weight: 600;text-decoration: none;}</style>
</head><body><section><!-- 背景颜色 --><div class="color"></div><div class="color"></div><div class="color"></div><div class="box"><!-- 背景圆 --><div class="circle" style="--x:0"></div><div class="circle" style="--x:1"></div><div class="circle" style="--x:2"></div><div class="circle" style="--x:3"></div><div class="circle" style="--x:4"></div><!-- 登录框 --><div class="container"><div class="form"><h2 class="btn-login">登录</h2><form><div class="inputBox"><input type="text" placeholder="账户"></div><div class="inputBox"><input type="password" placeholder="密码"></div><div class="inputBox"><input type="submit" value="登录"></div><p class="forget"><a href="#">没有账户?</a><a href=" ">忘记密码?</a></p></form></div></div></div></section>
</body></html>