a.download-link {
    display: inline-block;
    padding: 10px 20px;
    background-color: rgb(236, 188, 31);
    color: white;
    border-radius: 4px;
    text-align: center;
    transition: transform 0.2s, background-color 0.2s;
    cursor: pointer;
}

a.download-link:hover {
    background-color: #a17108;
}

a.download-link:active {
    transform: scale(0.95);
}

.popup-title {
    font-size: 18px;
    font-weight: bold;
    /* margin-bottom: 10px; */
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 20px;
    background-color: #f1f1f1;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    animation: popup 0.5s forwards;
    z-index: 99;
}

@keyframes popup {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

/* 夜间模式样式 */
.dark a.download-link {
    background-color: rgb(196,196,197);
    color: rgb(29,30,32);
}

.dark a.download-link:hover {
    background-color: white;
}

.dark .popup {
    background-color: #333;
    color: #e0e0e0;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}