“`html

/* Base Styles for Readability and Professional Look */
body {
font-family: ‘B Nazanin’, Tahoma, Arial, sans-serif;
line-height: 1.8;
color: #333;
margin: 0;
padding: 0;
background-color: #f8f9fa; /* Light background for overall page */
direction: rtl; /* Ensure right-to-left for Persian */
text-align: justify;
}
.container {
max-width: 900px;
margin: 20px auto;
padding: 20px 30px;
background-color: #ffffff;
border-radius: 12px;
box-shadow: 0 4px 25px rgba(0,0,0,0.08); /* Softer, deeper shadow */
overflow: hidden; /* Clear floats */
}

/* Heading Styles – Emulating H1, H2, H3 with custom font sizes and weights */
h1 {
font-size: 2.6em;
font-weight: 800; /* Extra bold */
color: #2c3e50; /* Dark blue-gray */
text-align: center;
margin-bottom: 35px;
padding: 18px 0;
border-bottom: 4px solid #3498db; /* Striking blue border */
line-height: 1.3;
}
h2 {
font-size: 2.1em;
font-weight: 700; /* Bold */
color: #34495e; /* Slightly lighter dark blue-gray */
margin-top: 50px;
margin-bottom: 25px;
padding-bottom: 12px;
border-bottom: 2px solid #ecf0f1; /* Light gray border */
line-height: 1.4;
}
h3 {
font-size: 1.6em;
font-weight: 600; /* Semi-bold */
color: #2980b9; /* A medium blue */
margin-top: 35px;
margin-bottom: 18px;
line-height: 1.5;
}

/* Paragraph and List Styles */
p {
margin-bottom: 18px;
text-align: justify;
line-height: 1.9; /* More spacious line height */
}
ul {
list-style-type: disc;
margin-right: 25px;
margin-bottom: 18px;
padding-right: 0;
}
ol {
list-style-type: decimal;
margin-right: 25px;
margin-bottom: 18px;
padding-right: 0;
}
li {
margin-bottom: 10px;
line-height: 1.7;
}

/* Table Styles */
table {
width: 100%;
border-collapse: collapse;
margin: 35px 0;
font-size: 0.98em; /* Slightly larger table font */
}
th, td {
border: 1px solid #e0e0e0; /* Lighter border for table */
padding: 15px 18px;
text-align: right;
}
th {
background-color: #f5f5f5; /* Light gray header */
font-weight: 700;
color: #444;
}
td {
background-color: #ffffff;
}

/* Custom Block Styles for Visual Design */
.highlight-box {
background-color: #e8f7fa; /* Light cyan background */
padding: 30px;
border-radius: 10px;
margin: 40px 0;
border-right: 6px solid #00bcd4; /* Teal border for emphasis */
box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}
.highlight-box h3 {
color: #00838f; /* Darker teal for headings inside box */
margin-top: 0;
}

/* Infographic Section Style */
.infographic-section {
background-color: #e8fce8; /* Light green background */
padding: 30px;
border-radius: 10px;
margin: 40px 0;
border-left: 6px solid #8bc34a; /* Lime green border */
box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}
.infographic-section h2 {
color: #558b2f; /* Darker green for heading */
border-bottom: none;
text-align: center;
margin-bottom: 35px;
}
.infographic-item {
display: flex;
align-items: flex-start; /* Align icon and text to top */
margin-bottom: 25px;
padding-bottom: 15px;
border-bottom: 1px dashed #cfe8cf; /* Subtle dashed separator */
}
.infographic-item:last-child {
border-bottom: none; /* No border for the last item */
}
.infographic-icon {
font-size: 3em; /* Larger icon */
margin-left: 20px;
color: #8bc34a;
flex-shrink: 0; /* Prevent icon from shrinking */
}
.infographic-text {
flex: 1;
}
.infographic-text h3 {
margin-top: 0;
color: #689f38; /* Medium green for item headings */
font-size: 1.4em;
}

/* Responsive Adjustments (for Mobile, Tablet, Laptop, TV) */
@media (max-width: 768px) {
.container {
margin: 10px;
padding: 15px;
border-radius: 8px; /* Smaller radius for mobile */
}
h1 {
font-size: 1.8em;
margin-bottom: 25px;
padding: 10px 0;
border-bottom-width: 3px;
}
h2 {
font-size: 1.5em;
margin-top: 35px;
margin-bottom: 18px;
padding-bottom: 8px;
}
h3 {
font-size: 1.25em;
margin-top: 25px;
margin-bottom: 12px;
}
p {
margin-bottom: 12px;
line-height: 1.7;
}
ul, ol {
margin-right: 15px;
}

/* Table Responsive for small screens */
table, thead, tbody, th, td, tr {
display: block;
width: 100%;
}
thead tr {
position: absolute;
top: -9999px;
left: -9999px;
}
td {
border: none;
border-bottom: 1px solid #eee;
position: relative;
padding-right: 50%; /* Space for pseudo-element label */
text-align: left;
}
td:before { /* Create a pseudo-element for table headers on mobile */
position: absolute;
right: 6px;
width: 45%;
padding-right: 10px;
white-space: nowrap;
font-weight: bold;
content: attr(data-label); /* Use data-label attribute for content */
text-align: right;
color: #555;
}
/* Specific labels for the comparison table */
td:nth-of-type(1):before { content: “ویژگی”; }
td:nth-of-type(2):before { content: “افزاره‌های میکرو”; }
td:nth-of-type(3):before { content: “افزاره‌های نانو”; }

/* Custom Blocks Responsive */
.highlight-box, .infographic-section {
padding: 20px;
margin: 30px 0;
}
.infographic-section h2 {
font-size: 1.6em;
margin-bottom: 25px;
}
.infographic-item {
flex-direction: column;
align-items: center;
text-align: center;
margin-bottom: 20px;
padding-bottom: 10px;
}
.infographic-icon {
margin-left: 0;
margin-bottom: 10px;
font-size: 2.5em;
}
.infographic-text h3 {
font-size: 1.2em;
}
}
/* Further Adjustments for larger screens (Tablets, Laptops, TVs) */
@media (min-width: 769px) and (max-width: 1200px) {
.container {
max-width: 800px;
padding: 25px;
}
h1 { font-size: 2.2em; }
h2 { font-size: 1.8em; }
h3 { font-size: 1.4em; }
.infographic-icon { font-size: 2.8em; }
}
@media (min-width: 1201px) { /* For very large screens like TVs */
.container {
max-width: 1000px;
padding: 40px;
}
h1 { font-size: 3em; }
h2 { font-size: 2.5em; }
h3 { font-size: 1.8em; }
.infographic-icon { font-size: 3.5em; }
}

“`