“`html

/* Global Reset & Base Styles for consistent rendering across platforms */
body {
margin: 0;
padding: 0;
font-family: ‘Vazirmatn’, ‘Iranian Sans’, ‘Tahoma’, ‘Segoe UI’, Arial, sans-serif; /* Prioritizing Persian fonts */
line-height: 1.8;
color: #333333; /* Dark grey for main text */
background-color: #FDFDFD; /* Very light background */
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
text-rendering: optimizeLegibility;
}
a {
color: #007BFF; /* Standard blue for links */
text-decoration: none;
transition: color 0.3s ease;
}
a:hover {
color: #0056b3;
text-decoration: underline;
}

/* Container for the entire article content */
.article-container {
max-width: 960px; /* Optimal width for readability */
margin: 0 auto;
padding: 30px 20px;
background-color: #FFFFFF;
box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08); /* Soft shadow for depth */
border-radius: 12px; /* Slightly rounded corners */
direction: rtl; /* Right-to-Left for Persian */
text-align: right; /* Default text alignment for Persian */
overflow-x: hidden; /* Prevent horizontal scroll on small screens */
}

/* Heading Styles */
h1 {
font-size: 2.8em; /* Large and prominent */
font-weight: 900; /* Extra bold */
color: #1A5276; /* Deep ocean blue */
text-align: center;
margin-bottom: 50px;
padding-bottom: 20px;
border-bottom: 4px solid #3498DB; /* Vibrant blue underline */
line-height: 1.3;
}
h2 {
font-size: 2.1em; /* Substantial heading */
font-weight: 700; /* Bold */
color: #2C3E50; /* Dark slate grey */
margin-top: 45px;
margin-bottom: 25px;
border-right: 8px solid #2ECC71; /* Eye-catching emerald green accent */
padding-right: 18px;
line-height: 1.4;
background-color: #F8FCF8; /* Very light green tint for section heading */
padding-top: 10px;
padding-bottom: 10px;
border-radius: 5px 0 0 5px; /* Rounded on the right side */
}
h3 {
font-size: 1.6em; /* Clear sub-heading */
font-weight: 600; /* Semi-bold */
color: #34495E; /* Slightly lighter dark blue */
margin-top: 35px;
margin-bottom: 20px;
border-bottom: 1px dashed #BDC3C7; /* Subtle dashed line */
padding-bottom: 10px;
line-height: 1.5;
}

/* Paragraph, List, and Table Styles */
p {
margin-bottom: 1.2em;
text-align: justify;
}
ul, ol {
margin-right: 25px; /* Indent for RTL lists */
margin-bottom: 1.5em;
padding: 0;
}
li {
margin-bottom: 0.8em;
line-height: 1.6;
}
table {
width: 100%;
border-collapse: collapse;
margin: 35px 0;
font-size: 0.98em;
box-shadow: 0 2px 10px rgba(0,0,0,0.05); /* Soft shadow for table */
}
caption {
caption-side: top;
text-align: center;
font-weight: bold;
margin-bottom: 15px;
color: #004080;
font-size: 1.2em;
padding: 10px;
background-color: #ECF0F1;
border-radius: 8px 8px 0 0;
}
th, td {
border: 1px solid #E0E0E0; /* Lighter border for table cells */
padding: 15px 20px;
text-align: right; /* For RTL content */
}
th {
background-color: #D6EAF8; /* Light blue header */
font-weight: 700;
color: #1F618D;
}
tr:nth-child(even) {
background-color: #FDFEFF; /* Slightly different background for even rows */
}
tr:hover {
background-color: #EBF5FB; /* Hover effect for rows */
}

/* Specific Callout/Highlight Styles */
.info-box {
background-color: #E6F8F5; /* Light teal for information boxes */
border-right: 6px solid #1ABC9C; /* Stronger teal accent */
padding: 25px;
margin: 35px 0;
border-radius: 8px;
font-size: 1.08em;
line-height: 1.7;
color: #2C3E50;
box-shadow: 0 2px 12px rgba(26, 188, 156, 0.1); /* Soft shadow for info box */
}
.info-box strong {
color: #1ABC9C;
}
.highlight {
background-color: #FFFDE7; /* Light creamy yellow highlight */
padding: 3px 8px;
border-radius: 5px;
font-weight: 600;
color: #C07F00; /* Darker yellow/orange for contrast */
box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Infographic-like Section Styles */
.infographic-section {
display: flex;
flex-wrap: wrap; /* Allows items to wrap to the next line */
justify-content: center;
gap: 30px; /* Space between infographic items */
margin: 50px 0;
text-align: center;
}
.infographic-item {
background-color: #F8F8F8; /* Light grey background */
border: 1px solid #E0E0E0;
border-radius: 15px;
padding: 25px;
flex: 1 1 calc(33.333% – 60px / 3); /* 3 items per row on large screens with gap calculation */
min-width: 280px; /* Minimum width for stacking */
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08); /* Prominent shadow */
transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.infographic-item:hover {
transform: translateY(-8px) scale(1.02); /* Lift and slightly enlarge on hover */
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
background-color: #EEF8FF; /* Light blue tint on hover */
}
.infographic-icon {
font-size: 3.5em; /* Large icon size */
color: #3498DB; /* Primary blue for icons */
margin-bottom: 20px;
line-height: 1; /* Ensure icon doesn’t add extra line height */
}
.infographic-item h4 {
color: #1A5276; /* Deep blue for infographic titles */
font-size: 1.4em;
margin-bottom: 12px;
font-weight: 700;
}
.infographic-item p {
font-size: 1em;
color: #555555;
text-align: center;
}

/* Table of Contents specific styles */
.toc {
background-color: #EBF5FB; /* Light blue-grey for TOC */
border: 1px solid #D6EAF8;
padding: 25px;
margin: 40px 0;
border-radius: 10px;
box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}
.toc h3 {
color: #004080;
margin-top: 0;
margin-bottom: 20px;
border-bottom: 2px solid #AEC6CF; /* Slightly thicker border */
padding-bottom: 12px;
font-size: 1.7em;
font-weight: 700;
text-align: center;
}
.toc ol {
list-style: decimal;
padding-right: 25px; /* For numbering on the right in RTL */
margin-right: 0;
line-height: 1.8;
}
.toc li {
margin-bottom: 10px;
font-size: 1.05em;
}
.toc a {
color: #007BFF;
text-decoration: none;
font-weight: 500;
}
.toc a:hover {
text-decoration: underline;
color: #0056b3;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
.infographic-item {
flex: 1 1 calc(50% – 30px); /* 2 items per row on medium screens */
}
}
@media (max-width: 768px) {
.article-container {
padding: 20px 15px;
border-radius: 0; /* No rounded corners on very small screens */
box-shadow: none; /* No shadow */
}
h1 {
font-size: 2.2em;
margin-bottom: 30px;
padding-bottom: 10px;
border-bottom-width: 2px;
}
h2 {
font-size: 1.8em;
margin-top: 30px;
margin-bottom: 20px;
padding-right: 15px;
border-right-width: 5px;
}
h3 {
font-size: 1.4em;
margin-top: 25px;
margin-bottom: 15px;
padding-bottom: 8px;
}
.infographic-item {
flex: 1 1 100%; /* Stack items on small screens */
min-width: unset;
}
.toc h3 {
font-size: 1.5em;
}
.toc ol {
padding-right: 15px;
}
}
@media (max-width: 480px) {
h1 {
font-size: 1.8em;
}
h2 {
font-size: 1.5em;
}
h3 {
font-size: 1.2em;
}
.infographic-icon {
font-size: 3em;
}
.infographic-item h4 {
font-size: 1.2em;
}
.info-box {
padding: 18px;
}
}

“`