/* Root Variables */
:root {
  --primary-color: #81b71a;
  --secondary-color: #4ebbf7;
  --tertiary-color: #6d6d6d;
  --body-font: Arial, sans-serif;
  --title-font: Helvetica, Arial, sans-serif;
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Base Styles */
body {
  font-family: var(--body-font);
  line-height: 1.6;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  font-size: 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--title-font);
}

p,
span,
a,
li,
button {
  font-family: var(--body-font);
}

.article-4 {
  max-width: 1100px;
  margin: 60px auto;
  padding: 0 25px;
}

.article-4 .article-wrapper {
  background: #f8f8f8;
  padding: 40px;
  border-radius: 8px;
}

.article-4 .article-header {
  text-align: center;
  margin-bottom: 40px;
}

.article-4 .header-tag {
  background: var(--secondary-color);
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 16px;
  display: inline-block;
  margin-bottom: 15px;
}

.article-4 .article-header h2 {
  font-size: 36px;
  color: var(--tertiary-color);
  margin-bottom: 15px;
}

.article-4 .article-header h2 em {
  color: var(--primary-color);
  font-style: italic;
}

.article-4 .subtitle {
  font-size: 20px;
  color: var(--tertiary-color);
}

.article-4 .feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin: 40px 0;
}

.article-4 .feature-image {
  margin: 0;
}

.article-4 .feature-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.article-4 .feature-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article-4 .highlight-box {
  background: white;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.article-4 .highlight-box h3 {
  color: var(--primary-color);
  font-size: 24px;
  margin-bottom: 20px;
}

.article-4 .benefit-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article-4 .benefit-list li {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

.article-4 .benefit-icon {
  background: var(--primary-color);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.article-4 .benefit-text strong {
  display: block;
  color: var(--tertiary-color);
  margin-bottom: 5px;
  font-size: 18px;
}

.article-4 .benefit-text p {
  color: var(--tertiary-color);
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

.article-4 .important-note {
  background: rgba(78, 187, 247, 0.1);
  padding: 20px;
  border-radius: 8px;
}

.article-4 .important-note p {
  margin: 0;
  font-size: 16px;
  color: var(--tertiary-color);
}

.article-4 .feature-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.article-4 .summary-point {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.article-4 .point-number {
  background: var(--secondary-color);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}

.article-4 .summary-point p {
  margin: 0;
  font-size: 16px;
  color: var(--tertiary-color);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .article-4 .article-header h2 {
    font-size: 28px;
  }

  .article-4 .feature-grid {
    grid-template-columns: 1fr;
  }

  .article-4 .feature-summary {
    grid-template-columns: 1fr;
  }

  .article-4 .article-wrapper {
    padding: 25px;
  }
}