“`html

/* ————————————————————————– */
/* Base Styles for Readability, Responsiveness, and Aesthetic Design */
/* ————————————————————————– */
body {
font-family: ‘Tahoma’, ‘Arial’, sans-serif; /* Optimal font for readability in Persian */
line-height: 1.7; /* Enhanced line height for better reading experience */
color: #333; /* Dark gray for main text */
margin: 0;
padding: 0;
background-color: #fcfdff; /* Very light blue-gray background for a clean feel */
direction: rtl; /* Ensures right-to-left text direction */
text-align: justify; /* Justifies paragraph text for a professional look */
}

.article-container {
max-width: 950px; /* Slightly wider for better content display on larger screens */
margin: 25px auto; /* Centering the article container with good top/bottom margin */
padding: 30px 35px; /* Generous padding inside the container */
background-color: #fff; /* Pure white background for content area */
border-radius: 15px; /* Soft rounded corners for a modern touch */
box-shadow: 0 8px 30px rgba(0, 0, 0, 0.09); /* Subtle, elegant shadow */
transition: all 0.3s ease; /* Smooth transitions for hover effects */
}

/* Responsive Adjustments for Article Container */
@media (max-width: 1024px) { /* Tablets and smaller laptops */
.article-container {
max-width: 90%; /* Adjust max-width relatively */
margin: 20px auto;
padding: 25px 25px;
}
}
@media (max-width: 768px) { /* Medium tablets and portrait mode */
.article-container {
margin: 15px auto;
padding: 20px;
border-radius: 10px;
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
}
}
@media (max-width: 480px) { /* Mobile phones */
.article-container {
margin: 10px auto;
padding: 15px;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}
}

/* ————————————————————————– */
/* Heading Styles */
/* ————————————————————————– */
h1 {
font-size: 2.5em; /* Larger, prominent main title */
color: #004d99; /* Deep, academic blue */
font-weight: 800; /* Extra bold for impact */
text-align: center;
margin-bottom: 40px;
line-height: 1.3;
padding-bottom: 20px;
border-bottom: 4px solid #e1ecf7; /* Light blue-gray accent border */
position: relative;
}
h1::after { /* Decorative element under H1 */
content: ”;
position: absolute;
bottom: -7px; /* Position below the border */
left: 50%;
transform: translateX(-50%);
width: 80px; /* Width of the accent line */
height: 4px;
background-color: #007bff; /* Bright accent blue */
border-radius: 2px;
}

h2 {
font-size: 2em; /* Significant size for main sections */
color: #0056b3; /* Slightly lighter academic blue */
font-weight: 700; /* Bold */
margin-top: 50px;
margin-bottom: 30px;
padding-right: 15px; /* Padding for the left border (as text is RTL) */
border-right: 6px solid #007bff; /* Accent blue border on the right (visually left in RTL) */
line-height: 1.4;
background-color: #f7faff; /* Very subtle light blue background */
padding-top: 10px;
padding-bottom: 10px;
border-radius: 0 8px 8px 0; /* Rounded corners only on the right side */
}

h3 {
font-size: 1.6em; /* Sub-sections */
color: #0069d9; /* Mid-tone blue */
font-weight: 600; /* Semi-bold */
margin-top: 35px;
margin-bottom: 20px;
padding-right: 12px;
border-right: 3px solid #007bff; /* Thinner accent border */
line-height: 1.4;
}

/* Responsive Adjustments for Headings */
@media (max-width: 768px) {
h1 { font-size: 2em; margin-bottom: 30px; padding-bottom: 15px; }
h1::after { width: 60px; height: 3px; bottom: -5px; }
h2 { font-size: 1.6em; margin-top: 40px; margin-bottom: 25px; padding-right: 12px; border-right-width: 5px; }
h3 { font-size: 1.3em; margin-top: 30px; margin-bottom: 18px; padding-right: 10px; border-right-width: 2px; }
}
@media (max-width: 480px) {
h1 { font-size: 1.7em; margin-bottom: 25px; padding-bottom: 12px; }
h1::after { width: 40px; height: 2px; bottom: -4px; }
h2 { font-size: 1.4em; margin-top: 30px; margin-bottom: 20px; padding-right: 10px; border-right-width: 4px; }
h3 { font-size: 1.1em; margin-top: 25px; margin-bottom: 15px; padding-right: 8px; border-right-width: 2px; }
}

/* ————————————————————————– */
/* Paragraph and List Styles */
/* ————————————————————————– */
p {
margin-bottom: 1.5em; /* More space between paragraphs */
text-align: justify;
line-height: 1.8; /* Enhanced line height for better reading experience */
}
ul, ol {
margin-bottom: 1.5em;
padding-right: 25px; /* Padding on the right for bullet points (RTL) */
line-height: 1.8;
}
li {
margin-bottom: 0.9em;
color: #444; /* Slightly darker list item text */
}
strong {
color: #0056b3; /* Highlight important text with the academic blue */
font-weight: 700;
}

/* ————————————————————————– */
/* Table of Contents */
/* ————————————————————————– */
.table-of-contents {
background-color: #f7faff; /* Light blue background */
border-right: 5px solid #007bff; /* Accent border on the right */
padding: 20px 25px;
margin-bottom: 40px;
border-radius: 0 10px 10px 0; /* Rounded only on the right side */
box-shadow: 0 3px 10px rgba(0,0,0,0.06);
}
.table-of-contents h3 {
color: #004d99; /* Deep blue for TOC heading */
font-size: 1.4em;
margin-top: 0;
margin-bottom: 20px;
border-right: none; /* Override general h3 style */
padding-right: 0;
text-align: center;
position: relative;
}
.table-of-contents h3::after { /* Underline for TOC heading */
content: ”;
position: absolute;
bottom: -5px;
right: 50%;
transform: translateX(50%);
width: 60px;
height: 2px;
background-color: #007bff;
}
.table-of-contents ul {
list-style: none;
padding: 0;
margin: 0;
display: flex; /* Flexbox for horizontal arrangement on large screens */
flex-wrap: wrap; /* Allow wrapping */
justify-content: space-around; /* Distribute items evenly */
}
.table-of-contents li {
margin-bottom: 10px;
flex: 1 1 45%; /* Two items per row on larger screens */
padding: 0 10px;
}
.table-of-contents a {
color: #007bff;
text-decoration: none;
transition: color 0.3s ease, transform 0.3s ease;
display: block;
padding: 5px 0;
position: relative;
font-weight: 500;
}
.table-of-contents a:hover {
color: #004d99;
text-decoration: underline;
transform: translateX(-5px); /* Subtle shift on hover */
}
.table-of-contents a::before { /* Small bullet point for each item */
content: ‘•’;
position: absolute;
right: -10px;
color: #007bff;
font-size: 1.2em;
top: 50%;
transform: translateY(-50%);
}
@media (max-width: 768px) {
.table-of-contents ul {
flex-direction: column; /* Stack items vertically on smaller screens */
}
.table-of-contents li {
flex: 1 1 100%;
}
.table-of-contents h3 { font-size: 1.2em; }
}

/* ————————————————————————– */
/* Table Styles */
/* ————————————————————————– */
table {
width: 100%;
border-collapse: separate; /* Use separate to allow border-radius on cells */
border-spacing: 0; /* Remove default spacing */
margin: 35px 0;
font-size: 0.98em;
box-shadow: 0 5px 20px rgba(0, 0, 0, 0.07); /* Enhanced shadow for the table */
border-radius: 10px; /* Rounded corners for the entire table */
overflow: hidden; /* Ensures content respects border-radius */
}
th, td {
border: 1px solid #e3edf7; /* Lighter border for a softer look */
padding: 14px 18px;
text-align: right; /* Align text to the right for RTL */
}
th {
background-color: #e9f5ff; /* Light blue header */
color: #004085; /* Darker blue for header text */
font-weight: bold;
text-align: center;
padding: 15px 18px;
}
/* Rounded corners for header cells */
th:first-child { border-top-right-radius: 10px; }
th:last-child { border-top-left-radius: 10px; }
tr:nth-child(even) {
background-color: #fcfdff; /* Very light alternating row color */
}
tr:hover {
background-color: #eef7ff; /* Subtle hover effect */
transition: background-color 0.2s ease;
}
/* Responsive Table Styles (Stacking columns on small screens) */
@media (max-width: 600px) {
table {
border: none;
box-shadow: none; /* Remove table shadow for stacked view */
border-radius: 0;
}
table thead {
display: none; /* Hide table header */
}
table, tbody, th, td, tr {
display: block; /* Make table elements block-level */
}
tr {
margin-bottom: 20px;
border: 1px solid #e3edf7;
border-radius: 10px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); /* Shadow for each row */
}
td {
border: none;
border-bottom: 1px solid #eef7ff; /* Light separator for data rows */
position: relative;
padding-right: 50%; /* Space for the pseudo-element label */
text-align: right;
}
td:last-child {
border-bottom: none; /* No border for the last cell */
}
td:before {
position: absolute;
top: 14px;
right: 18px; /* Position label to the right */
width: 45%;
padding-right: 10px;
white-space: nowrap;
content: attr(data-label); /* Use data-label for responsive headers */
font-weight: bold;
color: #004d99; /* Match header color */
text-align: left; /* Align label to the left */
}
}

/* ————————————————————————– */
/* Infographic-like Section Styles */
/* ————————————————————————– */
.infographic-section {
margin-top: 55px;
padding: 30px 25px;
background-color: #e9f5ff; /* Light blue background for the section */
border-right: 8px solid #007bff; /* Prominent accent border */
border-radius: 0 15px 15px 0; /* Rounded only on the right */
display: flex;
flex-wrap: wrap;
justify-content: center; /* Center items when they wrap */
gap: 30px; /* More space between infographic items */
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}
.infographic-item {
background-color: #ffffff;
border: 1px solid #d0e8f8; /* Soft border */
border-radius: 12px;
padding: 25px;
text-align: center;
flex: 1 1 calc(33% – 60px); /* 3 items per row on large screens, accounting for gap */
min-width: 280px; /* Minimum width for items */
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
transition: transform 0.3s ease, box-shadow 0.3s ease;
display: flex;
flex-direction: column;
align-items: center;
}
.infographic-item:hover {
transform: translateY(-8px); /* More pronounced lift on hover */
box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}
.infographic-item .icon {
font-size: 3.5em; /* Larger icons */
margin-bottom: 20px;
color: #007bff; /* Bright accent blue */
display: block;
transition: transform 0.3s ease;
}
.infographic-item:hover .icon {
transform: scale(1.1); /* Icon slightly grows on hover */
}
.infographic-item h4 {
font-size: 1.35em; /* Larger heading in infographic item */
color: #0056b3;
margin-top: 0;
margin-bottom: 12px;
font-weight: 700;
line-height: 1.4;
}
.infographic-item p {
font-size: 0.98em;
color: #555;
margin-bottom: 0;
text-align: center;
line-height: 1.7;
}
/* Responsive Adjustments for Infographic Section */
@media (max-width: 1024px) {
.infographic-item {
flex: 1 1 calc(48% – 30px); /* 2 items per row on medium-large screens */
min-width: unset;
}
}
@media (max-width: 768px) {
.infographic-section {
padding: 25px 15px;
gap: 20px;
border-right-width: 6px;
}
.infographic-item {
flex: 1 1 calc(100% – 20px); /* 1 item per row on smaller screens */
padding: 20px;
border-radius: 10px;
}
.infographic-item .icon { font-size: 3em; margin-bottom: 15px; }
.infographic-item h4 { font-size: 1.25em; }
}
@media (max-width: 480px) {
.infographic-section {
padding: 20px 10px;
gap: 15px;
border-right-width: 5px;
border-radius: 0 10px 10px 0;
}
.infographic-item {
padding: 18px;
border-radius: 8px;
}
.infographic-item .icon { font-size: 2.8em; margin-bottom: 12px; }
.infographic-item h4 { font-size: 1.15em; }
.infographic-item p { font-size: 0.9em; }
}

“`