* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #f5f7fa;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }
        .register-wrap {
            width: 100%;
            max-width: 520px;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 4px 24px rgba(255,77,79,0.12);
            padding: 40px 30px;
        }
        .register-title {
            text-align: center;
            margin-bottom: 32px;
        }
        .register-title h1 {
            font-size: 26px;
            color: #ff4d4f;
            letter-spacing: 1px;
        }
        .register-title p {
            color: #999;
            margin-top: 8px;
        }
        .form-item {
            margin-bottom: 20px;
        }
        .form-item label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-size: 14px;
        }
        .form-input {
            width: 100%;
            height: 46px;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 0 16px;
            font-size: 15px;
            transition: 0.25s;
        }
        .form-input:focus {
            outline: none;
            border-color: #ff4d4f;
            box-shadow: 0 0 0 3px rgba(255,77,79,0.1);
        }
        .btn-register {
            width: 100%;
            height: 48px;
            background: linear-gradient(135deg, #ff4d4f, #ff7875);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            cursor: pointer;
            margin-top: 10px;
            transition: 0.3s;
        }
        .btn-register:hover {
            opacity: 0.92;
        }
        .jump-login {
            text-align: center;
            margin-top: 22px;
        }
        .jump-login a {
            color: #ff4d4f;
            text-decoration: none;
            font-size: 14px;
        }
        .jump-login a:hover {
            text-decoration: underline;
        }
        .tip-text {
            font-size: 12px;
            color: #999;
            margin-top: 6px;
        }

 /*  // alert弹窗样式  */
/* 1. 新增：遮罩层样式，用于覆盖全屏并居中弹窗 */
.alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明黑色背景 */
    display: flex;
    justify-content: center; /* 水平居中 */
    align-items: center;     /* 垂直居中 */
    z-index: 9999;           /* 确保在最上层 */
}

/* 2. 你原有的弹窗主体样式（建议微调 padding，100px 太大） */
.alert {
    background-color: #f9f9f9;
    border: 1px solid #333; /* 建议改为 1px，10px 太粗 */
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;          /* 建议改为 20-30px，100px 会导致弹窗巨大 */
    max-width: 300px;
    width: 90%;             /* 适配移动端 */
    text-align: center;
    position: relative;
}

/* 3. 你原有的文字和按钮样式 */
.alert-text {
    font-size: 16px;
    color: #333;
    margin-bottom: 20px;
    margin-top: 0;
}

.alert-button {
    background-color: #008CBA;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

.alert-button:hover {
    background-color: #005A7F;
}
/* ================================== */