/* 设置联系信息样式 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 2.5rem;
}

/* 设置联系信息项样式 */
.info-item {
    display: flex;
    align-items: center;
    padding: 1.8rem;
    background: rgba(255,255,255,0.08);
    border-radius: 15px;
    transition: background-color 0.3s var(--transition-timing), transform 0.3s var(--transition-timing), box-shadow 0.3s var(--transition-timing);
    border: 1px solid transparent;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.info-item:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    border-color: rgba(0, 225, 255, 0.4);
}

/* 设置联系信息图标样式 */
.info-icon {
    font-size: 2.2rem;
    margin-right: 1.5rem;
    color: var(--secondary);
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px var(--secondary));
}

/* 调整 iframe 样式 */
iframe {
    border-radius: 15px;
    margin-top: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}