.guide-inner {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
}

.guide-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 7vw, 76px) 0 clamp(52px, 8vw, 88px);
  border-bottom: 1px solid #dce5e1;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--topic-accent), white 91%), transparent 58%),
    #fff;
}

.guide-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: min(36vw, 520px);
  border-left: 1px solid color-mix(in srgb, var(--topic-accent), transparent 58%);
  background-image:
    linear-gradient(color-mix(in srgb, var(--topic-accent), transparent 84%) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--topic-accent), transparent 84%) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: .55;
  transform: skewX(-12deg) translateX(18%);
  transform-origin: top;
}

.guide-hero .guide-inner { position: relative; z-index: 1; }
.guide-hero .topic-breadcrumb { margin-bottom: 34px; }
.guide-hero .topic-breadcrumb a { color: inherit; }
.guide-kicker,
.guide-label,
.guide-section-number {
  margin: 0;
  color: var(--topic-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.guide-hero h1 {
  max-width: 820px;
  margin: 14px 0 0;
  font-family: "STSong", "SimSun", serif;
  font-size: clamp(38px, 5.6vw, 62px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.guide-description {
  max-width: 760px;
  margin: 24px 0 0;
  color: #465651;
  font-size: 17px;
  line-height: 1.9;
}

.guide-answer,
.guide-misconceptions,
.guide-summary,
.guide-references,
.guide-cta {
  padding: clamp(56px, 8vw, 92px) 0;
}

.guide-answer { background: #173e34; color: #fff; }
.guide-answer-grid,
.guide-two-column,
.guide-cta-inner {
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(0, 1.45fr);
  gap: clamp(36px, 7vw, 92px);
}

.guide-answer .guide-label { color: color-mix(in srgb, var(--topic-accent), white 28%); }
.guide-answer h2,
.guide-chain-section h2,
.guide-section h2,
.guide-misconceptions h2,
.guide-summary h2,
.guide-faq h2,
.guide-references h2,
.guide-related h2,
.guide-cta h2 {
  margin: 10px 0 0;
  font-family: "STSong", "SimSun", serif;
  font-size: clamp(28px, 3.7vw, 44px);
  line-height: 1.3;
  letter-spacing: 0;
}

.guide-answer-copy p {
  margin: 0;
  color: #edf7f3;
  font-size: 17px;
  line-height: 2;
}

.guide-answer-copy p + p { margin-top: 18px; }

.guide-chain-section {
  padding: clamp(60px, 9vw, 104px) 0;
  border-bottom: 1px solid #dce5e1;
  background: #f8faf7;
}

.guide-chain {
  margin: 42px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  list-style: none;
  border-top: 1px solid #cbd8d2;
  border-bottom: 1px solid #cbd8d2;
}

.guide-chain li {
  min-height: 188px;
  padding: 24px 22px;
  position: relative;
}

.guide-chain li + li { border-left: 1px solid #cbd8d2; }
.guide-chain span { display: block; color: var(--topic-accent); font-size: 11px; font-weight: 800; }
.guide-chain strong { display: block; margin-top: 24px; font-size: 17px; }
.guide-chain p { margin: 10px 0 0; color: #5a6a65; font-size: 14px; line-height: 1.75; }

.guide-section {
  padding: clamp(64px, 9vw, 108px) 0;
  border-bottom: 1px solid #dce5e1;
  background: #fff;
}

.guide-section-tint { background: color-mix(in srgb, var(--topic-accent), white 95%); }
.guide-prose { max-width: 860px; }
.guide-section-number { margin-bottom: 12px; }
.guide-section-copy { margin-top: 28px; }
.guide-section-copy p { margin: 0; color: #354640; font-size: 17px; line-height: 2; }
.guide-section-copy p + p { margin-top: 18px; }

.guide-points {
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  border-top: 1px solid #cbd8d2;
}

.guide-points li {
  padding: 18px 22px 4px 0;
  color: #52635e;
  font-size: 14px;
  line-height: 1.7;
}

.guide-points li + li { padding-left: 22px; border-left: 1px solid #cbd8d2; }

.guide-misconceptions { background: #f8faf7; }
.guide-misconceptions ul,
.guide-summary ol,
.guide-references ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #cbd8d2;
}

.guide-misconceptions li { padding: 22px 0; border-bottom: 1px solid #cbd8d2; }
.guide-misconceptions li strong { font-size: 17px; }
.guide-misconceptions li p { margin: 8px 0 0; color: #5b6b66; line-height: 1.75; }

.guide-summary { background: color-mix(in srgb, var(--topic-accent), white 91%); }
.guide-summary ol { counter-reset: guide-summary; }
.guide-summary li {
  counter-increment: guide-summary;
  min-height: 74px;
  padding: 20px 4px;
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  border-bottom: 1px solid color-mix(in srgb, var(--topic-accent), white 58%);
  font-size: 16px;
  line-height: 1.65;
}

.guide-summary li::before {
  content: "0" counter(guide-summary);
  color: var(--topic-accent);
  font-size: 11px;
  font-weight: 800;
}

.guide-faq,
.guide-related { padding: clamp(64px, 9vw, 104px) 0; background: #fff; }
.guide-faq-list { margin-top: 34px; border-top: 1px solid #cbd8d2; }
.guide-faq details { border-bottom: 1px solid #cbd8d2; }
.guide-faq summary { padding: 22px 42px 22px 0; position: relative; cursor: pointer; font-size: 17px; font-weight: 750; list-style: none; }
.guide-faq summary::-webkit-details-marker { display: none; }
.guide-faq summary::after { content: "+"; position: absolute; top: 19px; right: 4px; color: var(--topic-accent); font-size: 24px; font-weight: 400; }
.guide-faq details[open] summary::after { content: "−"; }
.guide-faq details p { max-width: 760px; margin: -4px 0 22px; color: #566762; line-height: 1.8; }

.guide-references { border-top: 1px solid #dce5e1; background: #f8faf7; }
.guide-references h2 + p { margin: 18px 0 0; color: #667671; line-height: 1.75; }
.guide-references li { padding: 17px 0; border-bottom: 1px solid #cbd8d2; }
.guide-references a { color: #294f45; font-weight: 700; line-height: 1.6; text-decoration-color: color-mix(in srgb, var(--topic-accent), transparent 35%); text-underline-offset: 4px; }

.guide-related { border-top: 1px solid #dce5e1; }
.guide-related-links { margin-top: 32px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid #cbd8d2; }
.guide-related-links a { min-height: 116px; padding: 24px 28px 24px 0; display: flex; flex-direction: column; justify-content: center; text-decoration: none; }
.guide-related-links a + a { padding-left: 28px; border-left: 1px solid #cbd8d2; }
.guide-related-links span { color: var(--topic-accent); font-size: 11px; font-weight: 800; }
.guide-related-links strong { margin-top: 10px; font-size: 18px; line-height: 1.55; }

.guide-cta { border-top: 1px solid color-mix(in srgb, var(--topic-accent), white 48%); background: color-mix(in srgb, var(--topic-accent), white 88%); }
.guide-cta h2 + p { margin: 16px 0 0; color: #4d5d58; line-height: 1.8; }
.guide-cta-inner { align-items: center; }
.guide-cta a {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  border: 1px solid #173e34;
  border-radius: 6px;
  background: #173e34;
  color: #fff;
  font-weight: 750;
  text-decoration: none;
}

.topic-guide-links {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid #cfdad5;
}

.topic-guide-links a {
  min-height: 82px;
  padding: 18px 24px 18px 0;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #cfdad5;
  font-weight: 700;
  line-height: 1.55;
  text-decoration: none;
}

.topic-guide-links a:nth-child(even) { padding-left: 24px; border-left: 1px solid #cfdad5; }

@media (max-width: 820px) {
  .guide-chain { grid-template-columns: 1fr; }
  .guide-chain li { min-height: 0; display: grid; grid-template-columns: 40px minmax(130px, .7fr) 1fr; gap: 12px; align-items: start; }
  .guide-chain li + li { border-top: 1px solid #cbd8d2; border-left: 0; }
  .guide-chain strong,
  .guide-chain p { margin: 0; }
}

@media (max-width: 720px) {
  .guide-answer-grid,
  .guide-two-column,
  .guide-cta-inner { grid-template-columns: 1fr; gap: 30px; }
  .guide-points { grid-template-columns: 1fr; }
  .guide-points li { padding: 16px 0; border-bottom: 1px solid #cbd8d2; }
  .guide-points li + li { padding-left: 0; border-left: 0; }
  .guide-cta a { width: 100%; justify-self: stretch; }
}

@media (max-width: 560px) {
  .guide-hero::after { width: 22vw; opacity: .38; }
  .guide-description,
  .guide-answer-copy p,
  .guide-section-copy p { font-size: 15px; }
  .guide-chain li { grid-template-columns: 34px 1fr; }
  .guide-chain p { grid-column: 2; }
  .guide-related-links,
  .topic-guide-links { grid-template-columns: 1fr; }
  .guide-related-links a + a,
  .topic-guide-links a:nth-child(even) { padding-left: 0; border-left: 0; }
}