body {
            font-family: Arial, sans-serif;
            margin: 0;
            background-color: #eeeff1;
            color: #444;
        }
        .biank {
            border: 1px solid #00c719;
            border-radius: 8px;
            padding: 16px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        display: none; 
        }
        .biank.visible {
            display: block; /* 显示可见的卡片 */
        }
        
        .border-success {
    border-color: #6fd088;
}

input#swal2-input {
    width: 70%;
    margin: 5px auto;
}

.xhj-title {
    display: flex !important;
    align-items: center;
    justify-content: center;
    height: 80px;
    background-color: #006fff;
    color: #fbfbfb;
    font-size: 22px;
    font-weight: 600;
    text-align: center;
    width: 100%;
}

.xhj-title span {
    display: block;  /* 让 span 变成可用 flex 居中的元素 */
}

.xhj-title::before {
    content: "";
    display: inline-block;
    background-image: url(/js/xhj.png);
    background-size: contain;
    background-repeat: no-repeat;
    width: 35px;
    height: 35px;
    margin-right: 10px;
    vertical-align: middle;
}
#footer {
    position: fixed;
    background-color: #ebebeb;
    bottom: 0;
    text-align: center;
    width: 100%;
    font-size: 13px;
}

.user-card {
    border-radius: 8px;
    padding: 16px;
    border: 2px solid #fff;
    background-image: linear-gradient( #f3f5f9, #ffffff );
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.card-country {
    font-size: 16px;
}
.status-success {
    color: #347aff;
}

.username {
    font-weight: 600;
    font-size: 17px;
    text-overflow: ellipsis;
    color: #347aff;
    margin: 8px auto;
}

a {
    color: #0f9cf3;
    text-decoration: none;
}
.badge-success {
    color: #fff;
    background-color: #347aff;
    display: inline-block;
    padding: .2em .4em;
    font-size: 13px;
    text-align: center;
    vertical-align: middle;
    margin-top: -6px;
    white-space: nowrap;
    border-radius: .25rem;
}
.btn {
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    color: #505d69;
    text-align: center;
    vertical-align: middle;
    background-color: transparent;
    border: 1px solid #6c757d;
    padding: 8px 15px;
    font-size: 15px;
    border-radius: 5px;
    margin-top: 8px;
    margin-right: 8px;
    cursor: pointer;
}
.btn:hover {
    color: #fff;
    background-color: #666666;
    border-color: #666666;
}
.cards {
    display: grid;
    gap: 15px;
    margin: 20px 15px 50px;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
}
p {
    margin: 4px auto 6px;
}
.card-info {
    font-size: 13px;
}
        .no-data {
            color: #999;
        }
        .error {
            color: red;
        }
        #loadMore {
            display: block;
            margin: -20px auto 50px;
            padding: 10px 20px;
            background-color: #007BFF;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        #loadMore:hover {
            background-color: #0056b3;
        }
        
        img#correctButton1 { width: 90px; height: 108px; cursor: pointer;}
img#wrongButton1 { width: 90px; height: 108px; cursor: pointer;}

img#correctButton1:hover {filter: brightness(70%);}
img#wrongButton1:hover {filter: brightness(70%);}

.button-container { display: flex; justify-content: space-evenly; }
        p#wrongButton2 {
    background-color: #0078ff;
    border-radius: 10px;
    width: 85%;
    min-width: 250px;
    height: 44px;
    color: #fff;
    padding: 2px;
    align-items: center;
    font-size: calc(1.07rem + 0.3vw);
    display: flex;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
    letter-spacing: 1px;
    cursor: pointer;
    }
    
    p#wrongButton2:hover {
   background-color: #023cb7;
}

    p#correctButton2 { 
    color: #0078ff; 
    cursor: pointer;
    font-size: calc(.87rem + 0.3vw);

    }      

p#correctButton2 {
    color: #0078ff;
    cursor: pointer;
    width: 200px;
    margin: 25px auto 10px;
    font-size: calc(1.07rem + 0.3vw);
}

p#correctButton2:hover {
    font-weight: bold;
    color: #0052ff;
}


div:where(.swal2-container).swal2-center>.swal2-popup {
    min-height: 400px !important;
}

div:where(.swal2-container) h2:where(.swal2-title){padding:.8em .5em 0 !important;font-size: 28px !important;color:#d63939 !important;}

div:where(.swal2-container) div:where(.swal2-html-container) {
    padding: 0 !important;}

h3.card-title {
    color: #6c7a91 !important;
    font-weight: 600 !important;
}


div:where(.swal2-container) button:where(.swal2-styled).swal2-confirm {
    background-color: #0067ec !important;
}
div:where(.swal2-container) button:where(.swal2-styled).swal2-cancel {
    background-color: #0067ec !important;
}

[class^=swal2] {
    column-gap: 16px !important;
}

h2#swal2-title {
    /* margin-top: -15px; */
}

    .blue-button {
        background-color: #0067ec;
        border: none; 
        color: white; 
        padding: 12px 24px; 
        font-size: 16px;
        font-weight: bold; 
        border-radius: 8px; 
        cursor: pointer; 
    }

     .blue-button:hover {
        background: linear-gradient(135deg, #1ab2ff 0%, #0020ff 100%);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2); 
    }