.article-shell {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto 120px;
  padding: 58px clamp(24px, 5vw, 70px) 72px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(30, 68, 118, .08);
}
.article-heading {
  padding-bottom: 30px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--line);
}
.article-heading > span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
}
.article-heading h2 {
  margin: 10px 0 12px;
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -.05em;
}
.article-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}
.article-content {
  color: #333;
  overflow-wrap: anywhere;
}
.article-content > p:first-child {
  padding: 13px 16px;
  border-radius: 12px;
  background: var(--sky) !important;
  color: var(--blue-dark) !important;
}
.article-content h2 {
  padding-top: 10px;
  border-top: 1px solid #edf2f8;
}
.article-content table {
  max-width: 100%;
  overflow-x: auto;
}
.article-content table:not([align]) { display: block; }
.article-content img { max-width: 100%; height: auto; }
.article-content a { border-radius: 12px; }
.article-content a:hover { filter: brightness(.94); }

@media (max-width: 640px) {
  .article-shell {
    width: min(100% - 20px, 980px);
    padding: 38px 18px 52px;
    border-radius: 24px;
    margin-bottom: 70px;
  }
  .article-content p { font-size: 15px !important; line-height: 1.8 !important; }
  .article-content h2 { font-size: 21px !important; }
  .article-content table { font-size: 13px !important; }
  .article-content th, .article-content td { min-width: 145px; padding: 9px !important; }
}