.mentor-main {
    background-color: var(--secondary-color);
    border-radius: 4px;
    padding: 20px;
    margin-top: 20px;
}

.mentor-groups {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 10px;
}

.mentor-group {
    border: 1px solid #eef2f6;
    border-radius: 8px;
    padding: 18px 18px 12px;
    background: #ffffff;
}

.mentor-group-title {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 14px;
    padding-left: 10px;
    position: relative;
}

.mentor-group-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 2px;
}

.mentor-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px 10px;
    padding: 0;
    margin: 0;
}

.mentor-list li {
    background: #f7f9fc;
    border: 1px solid #eef2f6;
    border-radius: 6px;
    padding: 0;
    text-align: center;
    font-size: 15px;
    transition: all 0.3s;
}

.mentor-list li a {
    display: block;
    padding: 10px 8px;
    color: #333;
    text-decoration: none;
    width: 100%;
    height: 100%;
    transition: all 0.3s;
}

.mentor-list li:hover {
    background: #e8f0f8;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 75, 141, 0.15);
}

.mentor-list li a:hover {
    color: var(--primary-color);
}

@media (max-width: 1200px) {
    .mentor-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .mentor-main {
        padding: 15px;
    }

    .mentor-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .mentor-list li {
        font-size: 14px;
        padding: 9px 8px;
    }
}

@media (max-width: 480px) {
    .mentor-list {
        grid-template-columns: 1fr;
    }
}