html{
    max-width: 500px;
    margin: 0 auto;
    height: 100%;
}


/* PC 端（大屏幕） */
@media (min-width: 768px) {
    html{border: 1px solid #000000;}
}

.ub,.uni-flex{display: -webkit-box;display: -webkit-flex;display: flex}
.ub-f1{-webkit-box-flex:1;-webkit-flex: 1;flex: 1}
.ub-f2{-webkit-box-flex:2;-webkit-flex: 2;flex: 2}
.ub-f3{-webkit-box-flex:3;-webkit-flex: 3;flex: 3}
.ub-f4{-webkit-box-flex:4;-webkit-flex: 4;flex: 4}
/*水平*/
.ub-h{-webkit-box-orient: horizontal;-webkit-flex-flow: row;flex-flow: row}
/*垂直*/
.ub-v{webkit-box-orient: vertical;-webkit-flex-flow: column;flex-flow: column}
/*水平居中*/
.ub-hc{justify-content: center}
/*垂直居中*/
.ub-vc{align-items: center}
.chaochu{
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    max-width: 180px;
}
.text-cen{
    text-align: center;
}
.chaochu1{
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 样式1：双圆环 */
.loader-1 {
    width: 50px;
    height: 50px;
    border: 4px solid #fff;
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: rotation 1s linear infinite;
}
@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
@keyframes pulse {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(1); opacity: 0; }
}

.loading-text {
    color: #fff;
    margin-top: 20px;
    font-size: 14px;
}
html {background: #F2F5FF;}
.xz{
    color: #000;
    background: #F2F5FF;
}
.wz{
    color:#000;
    box-shadow: 0 0 1px 0px rgba(0, 8, 0, 0.1);
}