.page-faq {
  --faq-hairline: 1px solid var(--gold);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding-inline: var(--shell-pad);
}

/* 面包屑条 */
.page-faq .faq-crumb {
  background: var(--mist);
  border-bottom: 1px solid rgba(20, 24, 26, 0.14);
  padding-block: 10px;
  font-size: 13px;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  background-color: var(--green-800);
  background-image: linear-gradient(115deg, transparent 0 58%, rgba(201, 162, 39, 0.1) 58% 100%);
  color: var(--paper);
  border-bottom: 3px solid var(--gold);
  padding-block: 36px 44px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--gold-bright);
  margin: 12px 0 16px;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: var(--faq-hairline);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold-bright);
  letter-spacing: 0.02em;
}

.page-faq .faq-stat__label {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 3px solid var(--gold);
  background: var(--green-900);
  box-shadow: var(--shadow-hard);
}

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

.page-faq .faq-hero__figure figcaption {
  padding: 10px 12px;
  border-top: var(--faq-hairline);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sand);
}

/* 主体：索引 + 问答 */
.page-faq .faq-body {
  display: grid;
  gap: 28px;
  padding-block: 40px 64px;
}

.page-faq .faq-index {
  border: 2px solid var(--ink);
  background: var(--mist);
  padding: 14px;
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 10px;
  border-left: 4px solid var(--gold);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 200ms var(--ease-out), color 200ms var(--ease-out);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--green-800);
  color: var(--gold-bright);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rust);
  letter-spacing: 0.04em;
}

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

/* 分组 */
.page-faq .faq-group + .faq-group {
  margin-top: 56px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ink);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--rust);
  border: 1px solid var(--rust);
  padding: 4px 6px;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.6vw, 31px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq .faq-group__figure {
  margin: 20px 0 4px;
  border: 2px solid var(--ink);
  background: var(--green-900);
}

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

.page-faq .faq-group__figure figcaption {
  padding: 10px 14px;
  border-left: 3px solid var(--gold);
  font-size: 12px;
  line-height: 1.65;
  color: var(--sand);
  background: var(--green-800);
}

/* 问答条目 */
.page-faq .faq-item {
  position: relative;
  margin-top: 12px;
  background: var(--paper);
  border: 2px solid var(--ink);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 320ms var(--ease-out);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item > summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 48px 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: background 200ms var(--ease-out);
}

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

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  background: var(--sand);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 13px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  border: 1px solid var(--rust);
  color: var(--rust);
  transition: transform 320ms var(--ease-out), background 200ms var(--ease-out), color 200ms var(--ease-out);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(135deg);
  background: var(--rust);
  color: var(--paper);
}

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--rust);
}

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

.page-faq .faq-item__a {
  border-top: 1px solid var(--gold);
  background: var(--sand);
  padding: 14px 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 40em;
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

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

.page-faq .faq-item__a a:hover {
  color: var(--rust);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green-700);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
}

/* 联系提示块 */
.page-faq .faq-help {
  margin-top: 56px;
  padding: 26px 20px 28px;
  background: var(--green-800);
  color: var(--paper);
  border: 3px solid var(--gold);
  box-shadow: 8px 8px 0 var(--green-900);
}

.page-faq .faq-help h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.25;
  color: var(--gold-bright);
}

.page-faq .faq-help__lede {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 22px 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__item {
  border-top: 1px solid var(--gold);
  padding-top: 10px;
}

.page-faq .faq-help__item span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-help__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-faq .faq-help__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sand);
}

/* 窄屏 */
@media (max-width: 599px) {
  .page-faq .faq-hero {
    padding-block: 28px 34px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-index__link {
    font-size: 13px;
    gap: 6px;
    padding: 8px;
  }

  .page-faq .faq-item > summary {
    font-size: 14px;
    padding: 13px 44px 13px 14px;
  }

  .page-faq .faq-item > summary::after {
    right: 10px;
    top: 11px;
  }

  .page-faq .faq-item__a {
    padding: 12px 14px 16px;
    font-size: 14px;
  }
}

/* 桌面双栏 */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-block: 46px 56px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }

  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-block: 48px 80px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 20px;
  }

  .page-faq .faq-help {
    padding: 32px 30px 34px;
  }

  .page-faq .faq-help__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item::before,
  .page-faq .faq-item > summary,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}