.page-faq {
  --faq-radius: 14px;
  --faq-cell-symptom: #FFFFFF;
  --faq-cell-cause: #FAF6EC;
  --faq-cell-steps: #F1F6F0;
  --faq-cell-help: #EEF3F9;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--indigo);
  color: var(--paper);
  border-top: 4px solid var(--gold);
  padding: 26px 0 74px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 38px), 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(175, 192, 216, 0.1) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(175, 192, 216, 0.1) 0 1px, transparent 1px 46px);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-crumbs ol {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.page-faq .faq-crumbs li {
  color: rgba(247, 243, 234, 0.66);
}

.page-faq .faq-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(201, 162, 39, 0.7);
}

.page-faq .faq-crumbs a {
  color: rgba(247, 243, 234, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.45);
}

.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible {
  color: var(--gold);
}

.page-faq .faq-hero__eyebrow {
  display: inline-block;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(31px, 7vw, 60px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 16px 0 0;
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.86);
}

.page-faq .faq-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 28px;
  padding: 14px 18px;
  max-width: 660px;
  border-left: 3px solid var(--gold);
  border-radius: 0 12px 12px 0;
  background: rgba(255, 255, 255, 0.07);
}

.page-faq .faq-status p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(247, 243, 234, 0.82);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 44px;
  padding-bottom: 68px;
}

.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-main {
  min-width: 0;
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 60px;
    padding-top: 66px;
    padding-bottom: 88px;
  }

  .page-faq .faq-rail {
    display: block;
    align-self: start;
    position: sticky;
    top: 104px;
    padding-top: 6px;
  }
}

.page-faq .faq-rail__title {
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--gold-ink);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 10px 10px 0;
  color: var(--slate);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.page-faq .faq-rail__list a .num {
  font-size: 12px;
  color: var(--gold-ink);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  background: rgba(201, 162, 39, 0.13);
  border-left-color: var(--gold);
  color: var(--crimson);
  outline: none;
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-block {
  margin-bottom: 54px;
  scroll-margin-top: 100px;
}

.page-faq .faq-block:last-child {
  margin-bottom: 0;
}

.page-faq .faq-block__head {
  margin-bottom: 24px;
}

.page-faq .faq-block__head h2 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(23px, 4.2vw, 33px);
  line-height: 1.22;
  color: var(--indigo);
}

.page-faq .faq-block__head > p {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 三步自查 ---------- */
.page-faq .quick-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 26px 20px 28px;
  background: var(--cloud);
  box-shadow: var(--shadow-sm);
}

.page-faq .quick-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .quick-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .quick-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .quick-step__num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 38px;
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.04em;
}

.page-faq .quick-step__num {
  color: var(--gold-ink);
}

.page-faq .quick-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--indigo);
}

.page-faq .quick-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ink-soft);
}

.page-faq .quick-figure {
  margin: 0;
}

@media (min-width: 880px) {
  .page-faq .quick-panel {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 38px;
    padding: 34px 32px 36px;
    align-items: start;
  }
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 13px;
}

.page-faq .qa {
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-faq .qa:hover {
  border-color: rgba(201, 162, 39, 0.5);
}

.page-faq .qa:has(.fold-panel:not([hidden])) {
  border-color: rgba(201, 162, 39, 0.62);
  box-shadow: var(--shadow-sm);
}

.page-faq .qa > .fold-trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--indigo);
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  transition: background 0.22s ease;
}

.page-faq .qa > .fold-trigger:hover {
  background: rgba(201, 162, 39, 0.07);
}

.page-faq .qa-idx {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--gold-ink);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa > .fold-panel {
  border-top: 1px solid var(--line);
}

.page-faq .qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
}

@media (min-width: 760px) {
  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .qa-cell {
  padding: 16px 20px 18px;
  position: relative;
}

.page-faq .qa-cell--symptom { background: var(--faq-cell-symptom); }
.page-faq .qa-cell--cause   { background: var(--faq-cell-cause); }
.page-faq .qa-cell--steps   { background: var(--faq-cell-steps); }
.page-faq .qa-cell--help    { background: var(--faq-cell-help); }

.page-faq .qa-cell--cause::before,
.page-faq .qa-cell--steps::before,
.page-faq .qa-cell--help::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
}

.page-faq .qa-cell--cause::before { background: var(--amber); }
.page-faq .qa-cell--steps::before { background: var(--barley); }
.page-faq .qa-cell--help::before  { background: var(--mist); }

.page-faq .qa-cell__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold-ink);
}

.page-faq .qa-cell p,
.page-faq .qa-cell li {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.76;
  color: var(--ink-soft);
}

.page-faq .qa-cell p + p {
  margin-top: 8px;
}

.page-faq .qa-cell ol {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 6px;
}

.page-faq .qa-cell a {
  color: var(--crimson);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa-cell a:hover,
.page-faq .qa-cell a:focus-visible {
  color: var(--gold-ink);
  outline: none;
}

/* ---------- 反馈与响应 ---------- */
.page-faq .faq-block--feedback {
  position: relative;
  overflow: hidden;
  background: var(--crimson);
  color: var(--paper);
  padding: 32px 22px 34px;
}

.page-faq .faq-block--feedback::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.055) 0 2px, transparent 2px 18px);
}

.page-faq .faq-block--feedback > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-block--feedback .eyebrow--on-dark {
  color: var(--gold);
}

.page-faq .faq-block--feedback .faq-block__head h2 {
  color: var(--paper);
}

.page-faq .faq-block--feedback .faq-block__head > p {
  color: rgba(247, 243, 234, 0.84);
}

.page-faq .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 15px;
  margin: 0 0 20px;
}

@media (min-width: 700px) {
  .page-faq .feedback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-block--feedback {
    padding: 40px 36px 42px;
  }
}

.page-faq .feedback-item {
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
  border-radius: 0 12px 12px 0;
  background: rgba(255, 255, 255, 0.08);
}

.page-faq .feedback-item__label {
  margin: 0 0 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .feedback-item__value {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .feedback-item p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(247, 243, 234, 0.8);
}

.page-faq .feedback-note {
  margin: 0 0 24px;
  max-width: 44em;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(247, 243, 234, 0.85);
}

/* ---------- 术语表 ---------- */
.page-faq .glossary {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 13px;
}

@media (min-width: 720px) {
  .page-faq .glossary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .glossary__item {
  position: relative;
  margin: 0;
  padding: 18px 20px 20px 22px;
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.page-faq .glossary__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--gold);
  transform: scaleY(0.3);
  transform-origin: top center;
  transition: transform 0.3s ease;
}

.page-faq .glossary__item:hover,
.page-faq .glossary__item:focus-within {
  transform: translateY(-3px);
  border-color: rgba(201, 162, 39, 0.55);
  box-shadow: var(--shadow-sm);
}

.page-faq .glossary__item:hover::before,
.page-faq .glossary__item:focus-within::before {
  transform: scaleY(1);
}

.page-faq .glossary__item dt {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 9px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 19px;
  color: var(--indigo);
}

.page-faq .glossary__item dd {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .glossary-figure {
  margin: 26px 0 0;
}

.page-faq .glossary-foot {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .glossary-foot a {
  color: var(--crimson);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .glossary-foot a:hover,
.page-faq .glossary-foot a:focus-visible {
  color: var(--gold-ink);
  outline: none;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa > .fold-trigger,
  .page-faq .faq-rail__list a,
  .page-faq .glossary__item,
  .page-faq .glossary__item::before {
    transition: none;
  }

  .page-faq .glossary__item:hover,
  .page-faq .glossary__item:focus-within {
    transform: none;
  }
}