.container-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: start;
}

.left {
  min-width: 0;
}

.sm-article-page {
  width: 100%;
}

.sm-article-card {
  background: #ffffff;
  border: 1px solid #d9e2ec;
  border-radius: 20px;
  overflow: hidden;
}

.sm-article-hero {
  padding: 32px 32px 20px;
  border-bottom: 1px solid #eef2f7;
  background: #ffffff;
}

.sm-article-hero__inner {
  max-width: 860px;
}

.sm-article-hero__kicker {
  font-size: 13px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b7a90;
  margin-bottom: 10px;
}

.sm-article-hero__title {
  margin: 0;
  font-size: 46px;
  line-height: 1.05;
  font-weight: 800;
  color: #0f2747;
}

.sm-article-hero__subtitle {
  margin: 16px 0 0;
  max-width: 760px;
  font-size: 20px;
  line-height: 1.5;
  color: #6b7a90;
}

.sm-article-body {
  padding: 32px;
}

.sm-article-body section + section {
  margin-top: 36px;
}

.sm-article-body h2 {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 800;
  color: #0f2747;
}

.sm-article-body h3 {
  margin: 22px 0 10px;
  font-size: 20px;
  line-height: 1.3;
  font-weight: 700;
  color: #0f2747;
}

.sm-article-body p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.75;
  color: #31445b;
}

.sm-article-body ul {
  margin: 0 0 18px 20px;
  padding: 0;
}

.sm-article-body li {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.7;
  color: #31445b;
}

.sm-article-body a {
  color: #123e7c;
  text-decoration: none;
}

.sm-article-body a:hover {
  text-decoration: underline;
}

.right {
  min-width: 0;
}

.sm-side-card {
  background: #ffffff;
  border: 1px solid #d9e2ec;
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 18px;
}

.sm-side-card__title {
  margin-bottom: 14px;
  font-size: 16px;
  font-weight: 800;
  color: #0f2747;
}

.sm-side-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sm-side-nav a {
  color: #123e7c;
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  font-weight: 600;
}

.sm-side-nav a:hover {
  text-decoration: underline;
}

@media (max-width: 1000px) {
  .container-grid {
    grid-template-columns: 1fr;
  }

  .sm-article-hero {
    padding: 24px 20px 18px;
  }

  .sm-article-body {
    padding: 24px 20px;
  }

  .sm-article-hero__title {
    font-size: 34px;
  }

  .sm-article-hero__subtitle {
    font-size: 18px;
  }
}

@media (max-width: 640px) {
  .sm-article-hero__title {
    font-size: 28px;
  }

  .sm-article-body h2 {
    font-size: 24px;
  }

  .sm-article-body h3 {
    font-size: 18px;
  }

  .sm-article-body p,
  .sm-article-body li {
    font-size: 16px;
  }
}