/* 加载动画容器样式 */
.loader-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 100vh;
    /* 让容器充满整个视口高度 */
}

.loader-container .logo {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

/* 三个点的加载动画样式 */
.dot-loader {
    display: inline-block;
    width: 20px;
    height:20px;
    margin: 15px 5px;
    background-color: #0ccaff;
    border-radius: 50%;
    animation: dotBlink 1s infinite;
}

.dot-loader:nth-child(2) {
    animation-delay: 0.2s;
}

.dot-loader:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotBlink {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}
.hidden {
   height: 0;
   visibility: hidden;
}

/* 新增渐显动画类 */
.fade-in {
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.8s ease-in-out;
}

.fade-in.active {
    opacity: 1 !important;
    visibility: visible;
    filter: blur(0) !important;
}

#wrapper {
   transition: opacity 0.8s ease-in-out;
}