.page-faq {
  --faq-line: rgba(27, 23, 18, .14);
  --faq-line-soft: rgba(27, 23, 18, .07);
  --faq-muted: rgba(27, 23, 18, .72);
  --faq-answer-bg: #FBF7EE;
  --faq-answer-edge: var(--mint);
  background-color: var(--cream);
  color: var(--ink);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background-color: var(--green-900);
  color: var(--cream);
  padding: clamp(104px, 15vw, 168px) 0 0;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 227, 193, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 227, 193, .055) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .14em;
}

.page-faq .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  color: rgba(244, 236, 222, .5);
}

.page-faq .breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 10px;
  color: rgba(244, 236, 222, .3);
}

.page-faq .breadcrumbs a {
  color: rgba(244, 236, 222, .68);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-hero .index-label {
  display: block;
  margin: 0 0 16px;
  color: var(--mint);
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
}

.page-faq .faq-hero .display-1 {
  margin: 0 0 22px;
  color: var(--cream);
  line-height: .96;
  letter-spacing: .01em;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 58ch;
  color: rgba(244, 236, 222, .82);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-hero__frame {
  position: relative;
  z-index: 1;
  margin: clamp(36px, 6vw, 68px) 0 0;
  border-radius: 0;
  border-bottom: 4px solid var(--mint);
}

.page-faq .faq-hero__frame .media-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ---------- 分类跳转 ---------- */
.page-faq .faq-cats {
  background-color: var(--paper);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-cats__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 16px 0;
  list-style: none;
}

.page-faq .faq-cats__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px 7px 11px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background-color: var(--cream);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-cats__link:hover,
.page-faq .faq-cats__link:focus-visible {
  border-color: var(--mint);
  background-color: #fff;
  transform: translateY(-2px);
}

.page-faq .faq-cats__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--flame);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  position: relative;
  padding: clamp(46px, 8vw, 90px) 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-block:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-block--paper {
  background-color: var(--paper);
}

.page-faq .faq-block__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-block__body {
  display: block;
  min-width: 0;
}

.page-faq .faq-block__head .index-label {
  display: block;
  margin: 0 0 10px;
  color: var(--flame);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.page-faq .faq-block__title {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: clamp(23px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .005em;
  color: var(--ink);
}

.page-faq .faq-block__note {
  margin: 0;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  min-width: 0;
}

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

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

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 16px;
  align-items: baseline;
  gap: 0 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item:hover .faq-item__q,
.page-faq .faq-item:focus-within .faq-item__q {
  color: var(--green-700);
}

.page-faq .faq-item__num {
  position: relative;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--flame);
}

.page-faq .faq-item__num::after {
  content: attr(data-cat);
  position: absolute;
  left: 0;
  top: -1.7em;
  padding: 2px 7px;
  border-radius: 2px;
  background-color: var(--green-900);
  color: var(--mint);
  font-size: 10px;
  letter-spacing: .16em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.page-faq .faq-item__text {
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
}

.page-faq .faq-item__chev {
  position: relative;
  width: 14px;
  height: 14px;
  align-self: center;
  color: var(--gray);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__chev::before,
.page-faq .faq-item__chev::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background-color: currentColor;
  transform: translateY(-50%);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item__chev::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__chev::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item[open] .faq-item__chev,
.page-faq .faq-item:hover .faq-item__chev {
  color: var(--flame);
}

.page-faq .faq-item__a {
  padding: 0 0 22px;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 68ch;
  padding: 14px 18px;
  background-color: var(--faq-answer-bg);
  border-left: 3px solid var(--faq-answer-edge);
  border-radius: 2px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-muted);
}

.page-faq .faq-item__a a {
  color: var(--green-700);
  text-decoration: underline;
  text-decoration-color: rgba(79, 227, 193, .7);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-block__figure {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 720px;
  border-radius: 2px;
}

.page-faq .faq-block__figure .media-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ---------- 深色区块 ---------- */
.page-faq .faq-block--dark {
  background-color: var(--green-950);
  color: var(--cream);
  --faq-line: rgba(79, 227, 193, .24);
  --faq-line-soft: rgba(79, 227, 193, .14);
  --faq-muted: rgba(244, 236, 222, .76);
  --faq-answer-bg: rgba(79, 227, 193, .07);
  --faq-answer-edge: var(--mint);
}

.page-faq .faq-block--dark .faq-block__title {
  color: var(--cream);
}

.page-faq .faq-block--dark .faq-block__head .index-label {
  color: var(--mint);
}

.page-faq .faq-block--dark .faq-item:hover .faq-item__q,
.page-faq .faq-block--dark .faq-item:focus-within .faq-item__q {
  color: var(--mint);
}

.page-faq .faq-block--dark .faq-item__chev {
  color: rgba(244, 236, 222, .55);
}

.page-faq .faq-block--dark .faq-item__num::after {
  background-color: var(--mint);
  color: var(--green-950);
}

.page-faq .faq-block--dark .faq-item__a p {
  color: rgba(244, 236, 222, .86);
}

.page-faq .faq-block--dark .faq-item__a a {
  color: var(--mint);
  text-decoration-color: rgba(79, 227, 193, .5);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-contact__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--amber);
  border-radius: 2px;
  background-color: rgba(79, 227, 193, .05);
}

.page-faq .faq-contact__label {
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(244, 236, 222, .55);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: .01em;
  color: var(--mint);
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-item__a {
    padding-left: 44px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-block__inner {
    grid-template-columns: minmax(180px, 250px) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-block__head {
    position: sticky;
    top: 104px;
    padding-left: 18px;
    border-left: 2px solid var(--faq-line);
  }

  .page-faq .faq-item__text {
    font-size: 17px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (hover: hover) and (pointer: fine) {
  .page-faq .faq-item:hover .faq-item__num::after {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cats__link,
  .page-faq .faq-item__q,
  .page-faq .faq-item__chev,
  .page-faq .faq-item__chev::before,
  .page-faq .faq-item__chev::after,
  .page-faq .faq-item__num::after {
    transition: none;
  }

  .page-faq .faq-cats__link:hover,
  .page-faq .faq-cats__link:focus-visible {
    transform: none;
  }
}