.stt-32b7982d {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    z-index: 9999;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.stt-32b7982d.stt-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.stt-32b7982d-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.stt-32b7982d-progress circle {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
}

.stt-32b7982d-progress circle.bg {
    stroke: #e0e0e0;
}

.stt-32b7982d-progress circle.progress {
    stroke: #333;
    stroke-dasharray: 301.59; /* 2 * pi * 48 */
    stroke-dashoffset: 301.59;
    transition: stroke-dashoffset 0.1s ease;
}

.stt-32b7982d-inner {
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.stt-32b7982d:hover .stt-32b7982d-inner {
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.stt-32b7982d-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 16px;
}

.stt-32b7982d-icon svg {
    width: 1em;
    height: 1em;
    fill: currentColor;
}