.official-guide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 26px 5vw 100px;
}

.official-guide__status {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  max-width: 980px;
  margin-bottom: 44px;
  padding: 20px 22px;
  border: 1px solid #b7c8b3;
  border-radius: 16px;
  background: #f4f8f1;
}

.official-guide__status > span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--sage);
  color: #fff;
  font-weight: 850;
}

.official-guide__status strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
}

.official-guide__status p {
  margin: 0;
  color: #53634c;
  line-height: 1.65;
}

.official-guide__layout {
  display: grid;
  grid-template-columns: minmax(0, 820px) 290px;
  gap: 90px;
  align-items: start;
}

.official-guide__article {
  min-width: 0;
}

.official-guide__intro {
  margin: 0 0 54px;
  color: var(--ink);
  font-size: clamp(20px, 2vw, 25px);
  line-height: 1.65;
}

.official-guide__article section {
  padding: 0 0 56px;
  scroll-margin-top: 104px;
}

.official-guide__number {
  display: block;
  margin-bottom: 13px;
  color: var(--coral);
  font: 800 11px var(--font-mono), monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.official-guide__article h2 {
  margin: 0 0 17px;
  letter-spacing: -.04em;
  font-size: clamp(28px, 3vw, 39px);
  line-height: 1.1;
}

.official-guide__article h3 {
  margin: 28px 0 10px;
  font-size: 19px;
}

.official-guide__article p,
.official-guide__article li {
  color: #625e58;
  font-size: 16px;
  line-height: 1.78;
}

.official-guide__article p {
  margin: 0 0 17px;
}

.official-guide__article ul,
.official-guide__article ol {
  margin: 18px 0 0;
  padding-left: 22px;
}

.official-guide__article ul {
  list-style: disc;
}

.official-guide__article ol {
  list-style: decimal;
}

.official-guide__article li {
  margin: 9px 0;
  padding-left: 4px;
}

.official-guide__article a {
  color: #b84549;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.official-guide__fact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 25px 0;
}

.official-guide__fact {
  min-height: 155px;
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fffdfa;
}

.official-guide__fact small {
  color: var(--sage);
  font: 800 10px var(--font-mono), monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.official-guide__fact strong {
  display: block;
  margin: 12px 0 7px;
  font-size: 18px;
}

.official-guide__fact p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.official-guide__formula {
  margin: 24px 0;
  padding: 22px;
  border-left: 4px solid var(--coral);
  border-radius: 0 14px 14px 0;
  background: #fff4f1;
}

.official-guide__formula strong {
  display: block;
  margin-bottom: 8px;
}

.official-guide__formula code {
  color: #853b3e;
  font: 750 15px/1.7 var(--font-mono), monospace;
}

.official-guide__warning {
  margin: 24px 0;
  padding: 20px 22px;
  border: 1px solid #e5c798;
  border-radius: 14px;
  background: #fff8e9;
}

.official-guide__warning strong {
  display: block;
  margin-bottom: 7px;
  color: #80561d;
}

.official-guide__warning p {
  margin: 0;
  color: #755f3d;
  font-size: 14px;
}

.official-guide__toc {
  position: sticky;
  top: 102px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fffaf3;
}

.official-guide__toc strong {
  margin-bottom: 4px;
  font: 800 11px var(--font-mono), monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.official-guide__toc a {
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
  color: #4f4c47;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.4;
}

.official-guide__toc a:hover {
  color: var(--coral);
}

.official-guide__toc small {
  color: var(--muted);
  line-height: 1.55;
}

.official-guide__checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 22px;
}

.official-guide__checklist li {
  position: relative;
  margin: 0;
  padding: 15px 16px 15px 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  list-style: none;
  font-size: 14px;
}

.official-guide__checklist li::before {
  position: absolute;
  top: 15px;
  left: 16px;
  color: var(--sage);
  content: "✓";
  font-weight: 900;
}

.official-guide__sources {
  margin-top: 12px;
  padding-top: 35px;
  border-top: 1px solid var(--line);
}

.official-guide__sources h2 {
  font-size: 25px;
}

.official-guide__sources li {
  font-size: 14px;
}

@media (max-width: 940px) {
  .official-guide__layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .official-guide__toc {
    position: static;
    grid-row: 1;
  }
}

@media (max-width: 600px) {
  .official-guide {
    padding: 12px 18px 72px;
  }

  .official-guide__status {
    grid-template-columns: 1fr;
    margin-bottom: 34px;
    padding: 18px;
  }

  .official-guide__fact-grid,
  .official-guide__checklist {
    grid-template-columns: 1fr;
  }

  .official-guide__article section {
    padding-bottom: 44px;
  }

  .official-guide__article p,
  .official-guide__article li {
    font-size: 15px;
  }
}