body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
}
:root {
      --mdui-color-surface-container-highest:#fff;
      --mdui-color-surface-container-highest-light:#fff;
      --mdui-color-surface-container-highest-dark:#000;
        --mdui-color-primary-light: 33,150,243;
        --mdui-color-primary-dark: 208, 188, 255;
    --mdui-color-surface-container-high:255,255,255;
    --mdui-shape-corner-extra-large: 10px;
    --mdui-color-secondary-container:33,150,243;
    --mdui-color-on-secondary-container:255,255,255;
    }

.container0731 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 1000px;
    min-width: 350px;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    
    margin: 50px;
    z-index: 1; /* Make sure it's above the overlay */
}

.item {
    flex: 1 1 100px; /* The flex-grow, flex-shrink, and flex-basis properties */
    margin: 10px;
    padding: 20px;
    color: #fff;
    text-align: center;
    border-radius: 5px;
    width: auto;
}
    .imglog {
    height: 40px;
}
    .logo0731-1{
        display: none;
    }
/* Media query for screens narrower than 780px */
@media (max-width: 780px) {
    .container0731 {
        flex-direction: column;
        max-width: 380px;
    }
        .item {
        flex: 1 1 100%; /* Full width for items */
        min-width: 320px;
        width: auto;
        padding: 0px;
    }
        .imglog {
        height: 25px;
        margin: 10px 10px 10px 0px;
        right: 10px;
        position: relative;
}
}
@media (max-width: 420px) {
    .container0731 {
        flex-direction: column;
        margin: 0;
        padding: 0;
        max-width: 420px;
        width: 100%;
        height: 100%;
    }
    .logo0731{
        display: none;
    }
    .chuizhi731{
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: 100%;
    }
    .logo0731-1{
        display: block;
    }
}
    .pass240204 {
        --mdui-color-on-surface-variant: 	192,192,192;
        --mdui-color-on-surface-variant-light: 	192,192,192;
        --mdui-color-on-surface-variant-dark: #fff;
        color: #fff;
        margin-top: 20px;
    }
    .userpic1{
        width: 60px;
        height: 60px;
    }
    .loginbutton0731{
        width: 100%;
        height: 50px;
        --shape-corner: var(--mdui-shape-corner-medium);
    }
    .text240203{
        --mdui-color-on-surface-variant: 	132,129,138;
        --mdui-color-on-surface-variant-light: 	132,129,138;
        --mdui-color-on-surface-variant-dark: #fff;
        background:#fff;
        --mdui-shape-corner-extra-small: var(--mdui-shape-corner-medium);
        --mdui-color-outline:220,219,221;
}
    .BnD5F {
        display: flex;
        flex-direction: row;
        align-items: center;
        margin: 24px 0;
        justify-content: center;
    }
    .BnD5F .CuHLz {
        width: 20%;
        opacity: .8;
        background-color: #e0e5eb;
        height: 1px;
    }
    .BnD5F .hI9Xf {
        margin-right: 12px;
        margin-left: 12px;
        width: -webkit-max-content;
        width: -moz-max-content;
        width: max-content;
        color: #84818A;
        font-size: 14px;
        font-weight: 200;
    }

.telbutton{
    --mdui-color-outline:220,219,221;
}
    .verifyimageContainer {
        width: 200px;
        height: 76px;
        border: 1px solid #ccc;
        background-size: cover;
        background-position: center;
    }
    .conn{
        opacity: 0;
      visibility: hidden;
      transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
    }
    .show {
      opacity: 1;
      visibility: visible;
    }
    .teltitle{
        color: #000;
        top: 21px;
        left: 65px;
        font-size: 24px;
        line-height: 28px;
        font-weight: 300;
        line-height: 1.75rem;
        padding-bottom: 2.3632px;
        padding-top: 2.3632px;
        color: #1b1b1b;
        font-size: 1.5rem;
        font-weight: 600;
    }
    .codetel{
        font-family: king;
        font-size: 50px;
        color: #2196F3;
    }
    #con3{
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .teldesc{
        font-size: 18px;
        color: #696969;
    }
    .refreshbtu{
        --mdui-color-outline:220,219,221;
        margin: 20px 0;
    }