.ctw-container {
    max-width: 640px;
    margin: 20px auto;
    padding: 0 15px;
}

.mod-panel {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.mod-panel .hd {
    text-align: center;
    margin-bottom: 20px;
}

.mod-panel .hd h3 {
    font-size: 18px;
    font-weight: bold;
    color: #212121;
}

.mod-panel textarea {
    width: 100%;
    height: 180px;
    padding: 10px;
    border: 1px solid #e8e8e8;
    border-radius: 6px;
    resize: vertical;
    margin-bottom: 10px;
    font-family: inherit;
}

.mod-panel .setting {
    margin: 15px 0;
    padding: 10px 0;
    border-top: 1px dashed #eee;
    border-bottom: 1px dashed #eee;
}

.mod-panel label {
    margin-right: 15px;
    cursor: pointer;
}

.mod-panel button {
    padding: 6px 12px;
    background: #007cba;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 5px;
}

.mod-panel button:hover {
    background: #006ba1;
}

.pull-right {
    float: right;
}

.mod-panel .intro {
    margin-top: 15px;
    padding: 10px 15px;
    background: rgba(0,0,0,0.04);
    border-radius: 8px;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .mod-panel textarea {
        height: 150px;
    }
    
    .pull-right {
        float: none;
        display: block;
        margin-top: 10px;
    }
}