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加载3.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>加载3</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            font-size: 45px;
            border: 0px;
            font-family: Arial, Helvetica, sans-serif;
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #1bbc9b;
        }

        .first {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: deepskyblue;
            position: relative;
        }

        .second {
            position: absolute;
            width: 150px;
            height: 300px;
            border-radius: 150px 0 0 150px;
            background: #fff;
            transform-origin: 100% 50%;
            animation: loading-left 8s linear infinite;
        }

        .third {
            width: 150px;
            height: 300px;
            border-radius: 0 150px 150px 0;
            background: #fff;
            transform-origin: 0 50%;
            animation: loading-right 8s linear infinite;
        }

        .rect1,
        .rect2 {
            border: 0;
            top: 0;
            bottom: 0;
            width: 50%;
            position: absolute;
            overflow: hidden;
        }

        .rect1 {
            left: 0;
            right: 50%;
        }

        .rect2 {
            right: 0;
            left: 50%;
        }

        .arrow {
            position: absolute;
            top: 0;
            left: 43.33%;
            line-height: 20px;
            font-size: 20px;
            transform-origin: 20px 150px;
            animation: arrow 8s linear infinite;
        }

        .main {
            position: absolute;
            left: 20px;
            top: 20px;
            right: 20px;
            bottom: 20px;
            border-radius: 50%;
            background: #1bbc9b;
            line-height: 260px;
            text-align: center;
        }

        @keyframes loading-right {
            50%,
            100% {
                transform: rotate(180deg);
            }
        }

        @keyframes arrow {
            100% {
                transform: rotate(360deg);
            }
        }

        @keyframes loading-left {
            50% {
                transform: rotate(0);
            }
            100% {
                transform: rotate(180deg);
            }
        }
    </style>
</head>

<body>
    <div class="first">
        <div class="rect1">
            <div class="second"></div>
        </div>
        <div class="rect2">
            <div class="third"></div>
        </div>
        <span class="arrow">→</span>
        <div class="main">LAODING</div>
    </div>
</body>

</html>