/* 基础容器样式 */
.online-support-container {
    background: #f8f9fa;
    padding: 40px 100px;
    display: flex;
    align-items: center;
    gap: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* 图片容器样式 */
.support-image {
    flex: 0 0 45%;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

/* 主图片样式 */
.support-image .main-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 图片悬停效果 */
.support-image:hover .main-image {
    transform: scale(1.05);
}

/* 文字内容区域 */
.support-content {
    flex: 1;
    padding: 2rem 0;
}

/* 标题样式 */
.support-content .section-title {
    color: #2c3e50;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

/* 标题装饰线 */
.support-content .section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 4px;
    background: #2ecc71;
}

/* 段落样式 */
.support-content .section-text p {
    color: #34495e;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.2rem;
    opacity: 0.9;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .online-support-container {
        flex-direction: column;
        padding: 20px 15px;
        gap: 2rem;
    }
    .support-image {
        flex: 0 0 100%;
    }
    .support-content .section-title {
        font-size: 1.8rem;
    }
    .support-features {
        flex-direction: column;
        padding: 0 15px;
    }
}