.tool-content {
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    padding: 1.2em;
    border-radius: .6em;
    position: relative;
    display: flex;
    align-items: center;
    gap: 1.1em;
}

.tool-content .speaker-item {
    border: solid 1px #ddd;
    border-radius: 7px;
    padding: 1.5em 1.2em;
    background-color: var(--main-bg);
    text-align: center;
}

.tool-content .speaker-item .speaker-item-h1 {
    font-weight: 600;
    font-size: 1.3em;
    margin-bottom: 0.7em;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.tool-content .speaker-item .speaker-item-desc {
    color: #9696b1;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 1.2em;
}

.tool-content .speaker-item .speaker-control-area {

}

.tool-content .speaker-item .speaker-control-area .wave-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    min-height: 68px;
    padding: 8px 0;
    border-radius: 40px;
    background: rgb(198 199 226 / 15%);
    margin-bottom: 1.2em;
}

.tool-content .speaker-item .speaker-control-area .wave-visual .wav-bar {
    width: 6px;
    height: 8px;
    background: rgb(93 79 248 / 85%);
    border-radius: 10px;
    box-shadow: 0 0 6px rgb(93 79 248 / 55%);
}

.tool-content .speaker-item .speaker-control-area .wave-visual.active .wav-bar {
    background: rgb(233 53 53);
    box-shadow: 0 0 6px rgb(255 93 93);
}

/*按钮样式*/
.btn {
    outline: none;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 22px;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / .05);
    font-size: 14px;
}

.btn .ripple {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    z-index: 1;
    animation: ripple-effect 0.6s ease-out forwards;
}

/* 关键动画：扩散 + 淡出 */
@keyframes ripple-effect {
    0% {
        width: 0;
        height: 0;
        opacity: 0.4;
    }
    100% {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

.btn-purple {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #fff;
    margin: auto;
    background: linear-gradient(135deg, rgb(93, 79, 248) 0%, rgb(120, 100, 255) 100%);
}

.btn-red {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #fff;
    margin: auto;
    background: linear-gradient(135deg, rgb(233, 53, 53) 0%, rgb(255, 80, 80) 100%);
}

@media (max-width: 768px) {
    .tool-content {
        padding: .8em !important;
    }

    .operate-buttons .btn {
        line-height: 32px !important;
        height: 32px !important;
        padding: 0 8px !important;
    }

    .tool-content .mobile-item label span {
        height: 16px !important;
        padding: 0 4px !important;
        margin: 0 2px !important;
        font-size: 12px !important;
    }

    .text-result .result-item label {
        padding: 5px 10px;
        white-space: nowrap;
    }

    .textarea-text {
        min-height: 150px;
    }
}