/* 清除浏览器默认边距，
使边框和内边距的值包含在元素的width和height内 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 使用flex布局，让内容垂直和水平居中 */

section {
    /* 相对定位 */
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 90vh;
    /* linear-gradient() 函数用于创建一个表示两种或多种颜色线性渐变的图片 */
    /*background: linear-gradient(to bottom, #f1f4f9, #dff1ff);*/
}



.box {
    position: relative;
}


/* 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: #000;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 5px;
    margin-bottom: 30px;
    cursor: pointer;
}



.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-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;
    letter-spacing: 1px;
    color: #000;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form .inputBox input::placeholder {
    color: #0006;
}

/* 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;
    color: #fff;
    letter-spacing: 1px;
}

.forget a {
    color: #fff;
    font-weight: 600;
    text-decoration: none;
}

.beian {
    text-align: center;
}

.title {
    margin-top: 28px;
    text-align: center;
}