“`html

/* Base Styles */
body {
font-family: ‘B Nazanin’, ‘Arial’, sans-serif; /* A common, readable Persian font */
line-height: 1.8;
color: #333;
background-color: #f8f8f8;
margin: 0;
padding: 0;
direction: rtl; /* Right-to-left for Persian */
text-align: justify;
}

/* Main Container for Responsiveness */
.container {
max-width: 1000px;
margin: 40px auto;
padding: 20px;
background-color: #fff;
border-radius: 12px;
box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
box-sizing: border-box; /* Include padding in width calculation */
}

/* Headings */
h1, h2, h3 {
font-family: ‘B Yekan’, ‘B Nazanin’, ‘Arial’, sans-serif; /* Stronger font for headings */
text-align: right;
margin-top: 35px;
margin-bottom: 20px;
}

h1 {
font-size: 2.8em; /* Responsive sizing */
font-weight: 800;
color: #2C3E50; /* Deep blue-gray */
line-height: 1.3;
padding-bottom: 15px;
border-bottom: 3px solid #1ABC9C; /* Teal accent */
margin-top: 0; /* No top margin for the very first heading */
}

h2 {
font-size: 2.1em;
font-weight: 700;
color: #34495E; /* Slightly lighter blue-gray */
padding-bottom: 10px;
border-bottom: 2px solid #ECF0F1; /* Light gray separator */
}

h3 {
font-size: 1.6em;
font-weight: 600;
color: #4E6A80; /* Even lighter blue-gray */
margin-top: 25px;
padding-right: 10px;
border-right: 4px solid #F39C12; /* Golden accent */
}

/* Paragraphs */
p {
margin-bottom: 20px;
font-size: 1.1em;
line-height: 1.9;
text-align: justify;
}

/* Lists */
ul, ol {
margin-right: 25px; /* Indent for RTL */
margin-bottom: 20px;
line-height: 2;
font-size: 1.1em;
}

li {
margin-bottom: 8px;
}

/* Table of Contents */
.table-of-contents {
background-color: #ECF0F1; /* Light background */
border-radius: 8px;
padding: 25px;
margin-bottom: 35px;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.table-of-contents h3 {
color: #2C3E50;
border-right: none;
text-align: center;
margin-top: 0;
margin-bottom: 20px;
font-size: 1.8em;
}

.table-of-contents ul {
list-style: none; /* No default bullet */
padding: 0;
margin: 0;
}

.table-of-contents li {
margin-bottom: 12px;
padding-right: 15px;
border-right: 3px solid #BDC3C7; /* Subtle separator */
transition: all 0.3s ease;
}

.table-of-contents li:hover {
background-color: #DDE5E8;
border-right-color: #1ABC9C;
}

.table-of-contents a {
text-decoration: none;
color: #34495E;
font-size: 1.15em;
font-weight: 500;
display: block;
padding: 8px 10px;
transition: color 0.3s ease;
}

.table-of-contents a:hover {
color: #2C3E50;
}

/* Table Styles */
table {
width: 100%;
border-collapse: collapse;
margin: 30px 0;
font-size: 1em;
text-align: right;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
border-radius: 8px;
overflow: hidden; /* Ensure rounded corners for table */
}

th, td {
padding: 15px 20px;
border: 1px solid #E0E0E0;
}

th {
background-color: #1ABC9C; /* Teal header */
color: white;
font-weight: 600;
font-size: 1.1em;
text-align: center; /* Center table headers */
}

td {
background-color: #FFFFFF;
vertical-align: top;
}

tr:nth-child(even) td {
background-color: #F9F9F9; /* Zebra striping */
}

/* Infographic Replacement */
.infographic {
background-color: #E8F6F3; /* Light teal background */
border: 2px solid #1ABC9C;
border-radius: 15px;
padding: 30px;
margin: 40px auto;
text-align: center;
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
display: flex;
flex-wrap: wrap; /* Allow items to wrap on smaller screens */
justify-content: center;
gap: 25px; /* Space between infographic elements */
}

.infographic-item {
flex: 1 1 280px; /* Flex item grows/shrinks, base width 280px */
min-width: 250px;
background-color: #FFFFFF;
border-radius: 12px;
padding: 25px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
transition: transform 0.3s ease, box-shadow 0.3s ease;
text-align: center;
}

.infographic-item:hover {
transform: translateY(-8px);
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.infographic-item .icon {
font-size: 3em;
margin-bottom: 15px;
color: #F39C12; /* Golden accent for icons */
display: block; /* Ensure icon is on its own line */
}

.infographic-item h4 {
font-size: 1.4em;
color: #34495E;
margin-bottom: 10px;
font-weight: 600;
}

.infographic-item p {
font-size: 1em;
color: #555;
line-height: 1.7;
text-align: center; /* Center align text in infographic items */
}

/* Responsive Adjustments */
@media (max-width: 768px) {
.container {
margin: 20px auto;
padding: 15px;
}
h1 {
font-size: 2.2em;
}
h2 {
font-size: 1.8em;
}
h3 {
font-size: 1.4em;
}
p, ul, ol, table, .table-of-contents a, .infographic-item p {
font-size: 1em; /* Smaller base font for mobile */
}
.table-of-contents h3 {
font-size: 1.5em;
}
th, td {
padding: 10px 15px;
display: block; /* Stack table cells on small screens */
width: 100%;
box-sizing: border-box;
text-align: center; /* Center text in stacked cells */
}
th {
border-bottom: none;
}
td {
border-top: none;
border-bottom: 1px solid #E0E0E0;
}
tr {
margin-bottom: 15px;
display: block;
border: 1px solid #E0E0E0;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
.infographic {
padding: 20px;
flex-direction: column; /* Stack infographic items */
gap: 20px;
}
.infographic-item {
flex: 1 1 100%; /* Take full width on small screens */
min-width: unset;
}
}

@media (max-width: 480px) {
h1 {
font-size: 1.8em;
text-align: center;
}
h2 {
font-size: 1.5em;
text-align: center;
}
h3 {
font-size: 1.2em;
text-align: center;
border-right: none;
padding-right: 0;
}
p, ul, ol, table, .table-of-contents a, .infographic-item p {
font-size: 0.95em;
}
}

/* Print Styles (optional, for better print readability) */
@media print {
body {
background-color: #fff;
color: #000;
}
.container {
box-shadow: none;
border-radius: 0;
margin: 0;
padding: 0;
max-width: none;
width: 100%;
}
h1, h2, h3 {
color: #000 !important;
border-color: #000 !important;
}
.table-of-contents, .infographic {
display: none; /* Hide non-essential elements for print */
}
table, th, td {
border-color: #ccc !important;
background-color: #fff !important;
color: #000 !important;
text-align: right;
}
tr:nth-child(even) td {
background-color: #f0f0f0 !important;
}
}

“`