.page-faq {
  --faq-paper: #ffffff;
}

.page-faq [id] {
  scroll-margin-top: 7rem;
}

.page-faq .faq-hero {
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.7rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: var(--f-12);
  letter-spacing: 0.02em;
  color: var(--ink-700);
}

.page-faq .faq-hero__stamp {
  padding: 0.25rem 0.7rem;
  border: var(--hairline);
  border-radius: var(--pill);
  background: var(--faq-paper);
}

.page-faq .faq-hero__title {
  margin: 0 0 1rem;
  max-width: 20ch;
  font-family: var(--font-head);
  font-size: var(--f-56);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 34rem;
  font-family: var(--font-body);
  font-size: var(--f-20);
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-quick {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-quick__heading {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-size: var(--f-20);
  font-weight: 700;
  color: var(--ink-700);
}

.page-faq .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.page-faq .quick-card {
  position: relative;
  display: grid;
  gap: 0.4rem;
  padding: 1.35rem 1.4rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink-900);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .quick-card__num {
  font-family: var(--font-mono);
  font-size: var(--f-28);
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--ink-900);
  opacity: 0.5;
}

.page-faq .quick-card__label {
  font-family: var(--font-head);
  font-size: var(--f-20);
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .quick-card__desc {
  font-family: var(--font-head);
  font-size: var(--f-16);
  line-height: 1.6;
  color: var(--ink-700);
}

.page-faq .quick-card__go {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: var(--f-12);
  letter-spacing: 0.02em;
}

.page-faq .quick-card__go::after {
  content: " →";
}

.page-faq .quick-card--coral {
  background: var(--coral-mist);
  border-color: #ffcdbc;
}

.page-faq .quick-card--cyan {
  background: var(--cyan-mist);
  border-color: #b9f0e4;
}

.page-faq .quick-card--mist {
  background: var(--nacre-2);
  border-color: #d5d0c4;
}

.page-faq .quick-card--dark {
  background: var(--ink-900);
  color: var(--nacre);
}

.page-faq .quick-card--dark .quick-card__num,
.page-faq .quick-card--dark .quick-card__label {
  color: var(--nacre);
}

.page-faq .quick-card--dark .quick-card__desc {
  color: var(--nacre);
  opacity: 0.78;
}

.page-faq .quick-card--dark .quick-card__go {
  color: var(--cyan);
}

@media (hover: hover) {
  .page-faq .quick-card:hover {
    transform: translateY(-4px);
    border-color: var(--ink-700);
  }
}

.page-faq .faq-figure {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--nacre-2);
}

.page-faq .faq-figure--inline {
  margin: 0 0 1.5rem;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

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

.page-faq .faq-body > section + section {
  margin-top: clamp(2.5rem, 6vw, 4rem);
}

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

.page-faq .faq-index__label {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: var(--f-12);
  letter-spacing: 0.08em;
  color: var(--ink-700);
}

.page-faq .faq-index__list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.35rem;
  align-items: baseline;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
  font-family: var(--font-head);
  font-size: var(--f-16);
  line-height: 1.45;
  color: var(--ink-900);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: var(--f-12);
  letter-spacing: 0.02em;
  color: var(--coral);
}

@media (hover: hover) {
  .page-faq .faq-index__link:hover {
    color: var(--coral);
    border-bottom-color: var(--coral);
  }
}

/* 十二项对照清单 */
.page-faq .checklist {
  counter-reset: done;
  display: grid;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-faq .check-row {
  display: grid;
  grid-template-columns: 1.5rem 2.5rem minmax(0, 1fr);
  grid-template-areas:
    "box num state"
    "body .page-faq body";
  gap: 0.5rem 0.8rem;
  align-items: center;
  padding: 1rem 1.05rem;
  border: 1px solid var(--nacre-2);
  border-radius: var(--radius-sm);
  background: var(--faq-paper);
  cursor: pointer;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .check-row__box {
  grid-area: box;
  position: relative;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  border: 2px solid var(--ink-700);
  border-radius: 5px;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .check-row__box:checked {
  border-color: #17bfa4;
  background: var(--cyan-mist);
  counter-increment: done;
}

.page-faq .check-row__box:checked::after {
  content: "";
  position: absolute;
  left: 0.28rem;
  top: 0.06rem;
  width: 0.3rem;
  height: 0.58rem;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(40deg);
}

.page-faq .check-row__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: var(--f-20);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--ink-700);
}

.page-faq .check-row__body {
  grid-area: body;
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.page-faq .check-row__topic {
  font-family: var(--font-head);
  font-size: var(--f-16);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-faq .check-row__std {
  font-family: var(--font-body);
  font-size: var(--f-16);
  line-height: 1.7;
  color: var(--text);
}

.page-faq .check-row__dev {
  font-family: var(--font-head);
  font-size: var(--f-12);
  line-height: 1.65;
  color: var(--ink-700);
}

.page-faq .check-row__dev::before {
  content: "常见偏差 · ";
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--coral);
}

.page-faq .check-row__state {
  grid-area: state;
  justify-self: end;
  white-space: nowrap;
  padding: 0.2rem 0.7rem;
  border-radius: var(--pill);
  background: var(--nacre-2);
  color: var(--ink-700);
  font-family: var(--font-mono);
  font-size: var(--f-12);
  letter-spacing: 0.02em;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-faq .check-row__done {
  display: none;
}

.page-faq .check-row__box:checked ~ .check-row__state {
  background: var(--cyan);
  color: var(--ink-900);
}

.page-faq .check-row__box:checked ~ .check-row__state .check-row__todo {
  display: none;
}

.page-faq .check-row__box:checked ~ .check-row__state .check-row__done {
  display: inline;
}

.page-faq .check-row:has(.check-row__box:checked) {
  background: var(--cyan-mist);
  border-color: #9fe9d7;
}

.page-faq .checklist__tally {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0.5rem 0 0;
  font-family: var(--font-head);
  font-size: var(--f-16);
  color: var(--ink-700);
}

.page-faq .checklist__count {
  font-family: var(--font-mono);
  font-size: var(--f-20);
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-faq .checklist__count::after {
  content: counter(done) " / 12";
}

/* 问答折叠 */
.page-faq .qa {
  border-top: 1px solid var(--nacre-2);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--nacre-2);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr) 1.5rem;
  gap: 0.6rem;
  align-items: center;
  padding: 1.05rem 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: var(--f-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__q::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: var(--f-28);
  font-weight: 400;
  line-height: 1;
  color: var(--ink-700);
  transition: transform 240ms var(--ease), color 240ms var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  transform: rotate(45deg);
  color: var(--coral);
}

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: var(--f-16);
  letter-spacing: 0.02em;
  color: var(--coral);
}

.page-faq .qa__a {
  max-width: 36rem;
  padding: 0 0 1.4rem 3.2rem;
  font-family: var(--font-body);
  font-size: var(--f-16);
  line-height: 1.85;
  color: var(--text);
}

.page-faq .qa__a p {
  margin: 0 0 0.7rem;
}

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

.page-faq .qa__a a {
  color: var(--ink-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (hover: hover) {
  .page-faq .qa__a a:hover {
    color: var(--coral);
  }
}

/* 对不上时怎么办 */
.page-faq .faq-escalate {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-block: clamp(2.5rem, 6vw, 4rem);
  background: var(--ink-900);
  color: var(--nacre);
}

.page-faq .escalate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.page-faq .faq-escalate .section__num {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--f-36);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .escalate__title {
  margin: 0 0 1rem;
  max-width: 22ch;
  font-family: var(--font-head);
  font-size: var(--f-36);
  font-weight: 900;
  line-height: 1.15;
  color: var(--nacre);
}

.page-faq .escalate__text {
  margin: 0 0 1.5rem;
  max-width: 34rem;
  font-family: var(--font-body);
  font-size: var(--f-16);
  line-height: 1.85;
  color: #c9d6de;
}

.page-faq .escalate__list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .escalate__list li {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
  font-family: var(--font-head);
  font-size: var(--f-16);
  line-height: 1.65;
}

.page-faq .escalate__n {
  font-family: var(--font-mono);
  font-size: var(--f-12);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .escalate-card {
  padding: 1.5rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.page-faq .escalate-card__label {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--f-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .escalate-card__mail {
  margin: 0 0 0.2rem;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: var(--f-20);
  letter-spacing: 0.02em;
  color: var(--nacre);
}

.page-faq .escalate-card__phone {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--f-28);
  letter-spacing: 0.02em;
  color: var(--nacre);
}

.page-faq .escalate-card__note {
  margin: 0 0 1.2rem;
  font-family: var(--font-head);
  font-size: var(--f-12);
  line-height: 1.7;
  color: #b9c7d1;
}

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

  .page-faq .quick-card {
    padding: 1.6rem 1.7rem 1.4rem;
  }
}

@media (min-width: 820px) {
  .page-faq .check-row {
    grid-template-columns: 1.5rem 3rem minmax(0, 1fr) auto;
    grid-template-areas: "box num .page-faq state";
    gap: 0.2rem 1rem;
    align-items: start;
    padding: 1.1rem 1.3rem;
  }

  .page-faq .check-row__state {
    align-self: start;
    margin-top: 0.1rem;
  }

  .page-faq .check-row__num {
    line-height: 1.35;
  }
}

@media (min-width: 900px) {
  .page-faq .escalate-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 3rem;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: 6rem;
    padding-left: 1.25rem;
    border-left: 1px solid var(--nacre-2);
  }
}

@media (max-width: 559px) {
  .page-faq .qa__a {
    padding-left: 0;
  }

  .page-faq .qa__q {
    grid-template-columns: 2.2rem minmax(0, 1fr) 1.25rem;
    font-size: var(--f-16);
  }
}
<<<END>>>