html,
body {
    height: 100%;
}

body {
    /*
    display: -ms-flexbox;
    display: flex;
    */
    -ms-flex-align: center;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

.form-signin {
    width: 100%;
    max-width: 330px;
    padding: 15px;
    margin: auto;
}
.form-signin .checkbox {
    font-weight: 400;
}
.form-signin .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
    font-size: 16px;
}
.form-signin .form-control:focus {
    z-index: 2;
}
.form-signin input[type="text"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

#footer {
    display: none;
}

/* 选项卡样式 */
.login-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.login-tab {
    flex: 1;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.login-tab:hover {
    color: #2196f3;
}

.login-tab.active {
    color: #2196f3;
    border-bottom-color: #2196f3;
}

/* 扫码登录区域 */
.scan-login-info {
    padding: 30px 0;
    text-align: center;
}

.scan-tip {
    margin-top: 15px;
    font-size: 14px;
    color: #666;
}

.scan-close {
    margin-top: 15px;
    font-size: 14px;
    color: #f44336;
}

.scan-open {
    margin-top: 15px;
    font-size: 14px;
    color: #0069d9;
}

.scan-input {
    text-align: center;
    font-size: 18px !important;
}