* {
    margin: 0;
    padding: 0;
    font-size: 13px;
    font-family: microsoft yahei
}

html,
body {
    width: 100%;
    height: 100%;
    background: url(./bg.png?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=);
    background-size: cover;
    background-position: center center;
}

#container {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999
}

#output {
    width: 100%;
    height: 100%
}

.prompt {
    width: 60%;
    height: 30px;
    margin: 5px auto;
    text-align: center;
    line-height: 30px;
    font-family: microsoft yahei, Arial, sans-serif;
    font-size: 13px;
    color: #df0000
}

.containerT {
    width: 400px;
    height: 300px;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -20px 0 0 -200px;
    border-radius: 3px
}

.containerT h1 {
    font-size: 18px;
    font-family: microsoft yahei, Arial, sans-serif;
    -webkit-transition-duration: 1s;
    transition-duration: 1s;
    -webkit-transition-timing-function: ease-in-put;
    transition-timing-function: ease-in-put;
    font-weight: 500
}

form {
    padding: 20px 0;
    position: relative;
    z-index: 2
}

form input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    outline: 0;
    border: 1px solid rgba(255, 255, 255, .4);
    background-color: rgba(255, 255, 255, .2);
    width: 200px;
    border-radius: 3px;
    padding: 8px 15px;
    margin: 0 auto 10px;
    display: block;
    text-align: center;
    font-size: 15px;
    color: #fff;
    -webkit-transition-duration: .25s;
    transition-duration: .25s;
    font-weight: 300
}

form input:hover {
    background-color: rgba(255, 255, 255, .4)
}

form input:focus {
    background-color: #fff;
    width: 230px;
    color: #333
}

form button {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    outline: 0;
    background-color: #fff;
    border: 0;
    padding: 10px 15px;
    color: #333;
    border-radius: 3px;
    width: 200px;
    cursor: pointer;
    font-family: microsoft yahei, Arial, sans-serif;
    font-size: 16px;
    font-weight: 700;
    -webkit-transition-duration: .25s;
    transition-duration: .25s
}

form button:hover {
    background-color: #f5f7f9
}

form input:checked {
    -webkit-appearance: checkbox;
}

.container_save_pwd {
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin: 20px;
}
.btn_save_pwd {
    -webkit-appearance: checkbox;
    width: 20px;
    margin: 0 10px 0 10px;
}

.btn_save_pwd:focus {
    width: 20px;
}

.form-item,
.btn,
.other {
    margin: 40px auto;
    width: 90%;
}

input {
    width: 80%;
    margin-top: 20px;
    padding: 10px;
    border: 0;
    outline: none;
    border-bottom: 1px solid #fbc2eb;
}

input::placeholder {
    font-weight: bold;
    color: #acb7c9;
}

input:focus {
    /* 当输入框获取焦点时的效果 */
    /* box-shadow: 0px 0px 5px #fbc2eb;
  border-bottom: 1px solid #fff; */
    animation: bBottom 2s infinite;
}

@keyframes bBottom {
    50% {
        border-bottom: 1px solid #a6c1ee;
    }
}

.btn {
    height: 40px;
    line-height: 40px;
    /* 字体 */
    color: #fff;
    font-weight: bold;
    letter-spacing: 10px;
    text-align: center;
    /* 鼠标样式 */
    cursor: pointer;
    /* 边框、背景 */
    border-radius: 10px;
    background: linear-gradient(to right, #fbc2eb, #a6c1ee, #fbc2eb);
    background-size: 200%;
}

.btn:hover {
    animation: btnAnimate 1s infinite;
}

@keyframes btnAnimate {
    50% {
        background-position: 200%;
    }
}

a {
    text-decoration: none;
    color: #fbc2eb;
}