.page-faq {
  --faq-card: #F8F1E3;
  --faq-line-soft: rgba(46, 90, 69, 0.55);
  color: var(--c-mist);
}

.page-faq .faq-crumb {
  padding-top: 20px;
}

.page-faq .crumb-sep {
  margin: 0 8px;
  color: var(--c-fade);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* 首屏 */
.page-faq .faq-hero {
  padding: 26px 0 clamp(34px, 6vw, 64px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  max-width: 15em;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(29px, 7vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-faq .faq-hero__lead {
  margin: 0;
  font-size: clamp(15px, 2.3vw, 18px);
  line-height: 1.78;
  color: var(--c-mist);
  opacity: 0.82;
}

.page-faq .faq-hero__facts {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--c-line);
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.page-faq .faq-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(21px, 4vw, 30px);
  letter-spacing: 0.02em;
  color: var(--c-gold);
}

.page-faq .faq-fact__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-fade);
}

/* 通用区块 */
.page-faq .faq-sec {
  padding: clamp(42px, 7vw, 88px) 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-sec a,
.page-faq .settle a {
  color: var(--c-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 排查顺序 */
.page-faq .triage__figure {
  margin: clamp(22px, 4vw, 38px) 0 clamp(26px, 4vw, 42px);
}

.page-faq .triage__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
}

.page-faq .triage__flow {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .triage__step {
  position: relative;
  padding: 22px 20px;
  background: var(--c-moss);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-gold);
  clip-path: polygon(0 0, calc(100% - var(--clip-corner)) 0, 100% var(--clip-corner), 100% 100%, 0 100%);
}

.page-faq .triage__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

.page-faq .triage__title {
  margin: 8px 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(19px, 3vw, 22px);
  font-weight: 700;
  color: var(--c-mist);
}

.page-faq .triage__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-mist);
  opacity: 0.8;
}

/* 症状问答 */
.page-faq .symptom__layout {
  margin-top: clamp(22px, 4vw, 36px);
  display: grid;
  gap: 28px;
}

.page-faq .symptom__index {
  border-top: 1px solid var(--c-line);
  padding-top: 12px;
}

.page-faq .symptom__index-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-fade);
}

.page-faq .index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}

.page-faq .index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--faq-line-soft);
  font-size: 14px;
  color: var(--c-mist);
  text-decoration: none;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-faq .index-link__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
}

.page-faq .index-link:hover,
.page-faq .index-link:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

.page-faq .qa-group + .qa-group {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .qa-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 3.2vw, 26px);
  font-weight: 700;
  color: var(--c-mist);
}

.page-faq .qa-group__title .mono {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-amber);
}

.page-faq .qa-group__hint {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-fade);
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .qa-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.6;
  color: var(--c-mist);
}

.page-faq .qa-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item > summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-gold);
}

.page-faq .qa-item[open] > summary {
  color: var(--c-amber);
}

.page-faq .qa-item[open] > summary::after {
  content: "–";
}

.page-faq .qa-item__no {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-fade);
}

.page-faq .qa-item__answer {
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 2px solid var(--c-line);
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-mist);
  opacity: 0.82;
}

/* 结算五步 */
.page-faq .settle {
  position: relative;
  padding: clamp(42px, 7vw, 92px) 0;
  background: var(--c-paper);
  color: var(--c-char);
}

.page-faq .settle::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-red) 55%, transparent 100%);
}

.page-faq .settle .eyebrow {
  color: var(--c-pine);
}

.page-faq .settle__title {
  margin: 12px 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(26px, 4.8vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-char);
}

.page-faq .settle__lead {
  margin: 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: var(--c-char);
  opacity: 0.76;
}

.page-faq .settle__figure {
  margin: clamp(22px, 4vw, 38px) 0 clamp(22px, 4vw, 34px);
}

.page-faq .settle__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  border: 1px solid var(--c-paper-dim);
}

.page-faq .settle__grid {
  display: grid;
  gap: 12px;
}

.page-faq .step {
  background: var(--faq-card);
  border: 1px solid var(--c-paper-dim);
  border-left: 4px solid var(--c-gold);
}

.page-faq .step > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-faq .step > summary::-webkit-details-marker {
  display: none;
}

.page-faq .step__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--c-red);
}

.page-faq .step__name {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.6vw, 20px);
  font-weight: 700;
  color: var(--c-char);
}

.page-faq .step > summary::after {
  content: "展开";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-fade);
}

.page-faq .step[open] > summary::after {
  content: "收起";
}

.page-faq .step__body {
  padding: 0 16px 16px 16px;
}

.page-faq .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-char);
  opacity: 0.82;
}

.page-faq .settle__example {
  margin-top: clamp(22px, 4vw, 34px);
  padding: 20px;
  border: 1px dashed var(--c-paper-dim);
  background: rgba(255, 255, 255, 0.35);
}

.page-faq .settle__example-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--c-pine);
}

.page-faq .settle__example-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-char);
  opacity: 0.86;
}

.page-faq .settle__example-text .mono {
  color: var(--c-pine);
  font-weight: 700;
}

/* 仍未解决 */
.page-faq .escalate__layout {
  margin-top: clamp(22px, 4vw, 36px);
  display: grid;
  gap: 26px;
}

.page-faq .escalate__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .escalate__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
  opacity: 0.86;
}

.page-faq .escalate__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-red);
}

.page-faq .escalate__panel {
  padding: clamp(20px, 3.4vw, 30px);
  background: var(--c-pine);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .escalate__panel-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--c-amber);
}

.page-faq .escalate__rows {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .escalate__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(46, 90, 69, 0.7);
}

.page-faq .escalate__key {
  flex: none;
  min-width: 76px;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-fade);
}

.page-faq .escalate__val {
  margin: 0;
  flex: 1 1 12ch;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .escalate__contact {
  margin: 18px 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.03em;
  word-break: break-word;
  color: var(--c-gold);
}

.page-faq .escalate__hours {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-fade);
}

.page-faq .escalate__cta {
  display: inline-block;
}

@media (min-width: 768px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .settle__grid {
    gap: 14px;
  }

  .page-faq .step__body {
    padding: 0 20px 18px 68px;
  }

  .page-faq .step > summary {
    padding: 17px 20px;
  }

  .page-faq .escalate__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .triage__flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .triage__flow::before {
    content: "";
    position: absolute;
    left: 4px;
    right: 4px;
    top: -14px;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--c-line) 0 10px, transparent 10px 22px);
  }

  .page-faq .symptom__layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .symptom__index {
    position: sticky;
    top: 28px;
  }

  .page-faq .index-list {
    grid-template-columns: 1fr;
  }

  .page-faq .triage__figure img {
    max-height: 360px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-top: 46px;
  }

  .page-faq .triage__step {
    padding: 26px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .index-link {
    transition: none;
  }
}