.page-faq {
  --faq-gap: clamp(16px, 2.6vw, 32px);
  --faq-sticky: 96px;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 104px);
}

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

.page-faq .faq-wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(16px, 3vw, 40px) var(--gutter) 0;
  box-sizing: border-box;
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(20px, 3.4vw, 44px);
  background: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  background: var(--orange);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: .14;
  pointer-events: none;
}

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

.page-faq .faq-hero .index-label {
  display: inline-block;
  color: var(--orange-deep);
  letter-spacing: .18em;
}

.page-faq .faq-hero__title {
  margin: .18em 0 .32em;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(30px, 6.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: 0 0 1.4em;
  max-width: 44em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--brown);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border: var(--rule-heavy) solid var(--ink);
  background: var(--night);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .media__caption {
  display: block;
  padding: 10px 14px;
  background: var(--night);
  color: var(--celadon-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.6;
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  margin-top: clamp(40px, 6.5vw, 84px);
}

.page-faq .faq-section__head {
  border-top: var(--rule-heavy) solid var(--ink);
  padding-top: 14px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-section__head .index-label {
  display: block;
  margin-bottom: 8px;
  color: var(--orange-deep);
  letter-spacing: .18em;
}

.page-faq .faq-h2 {
  margin: 0 0 .45em;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-section__intro {
  margin: 0;
  max-width: 52em;
  font-size: clamp(14.5px, 1.4vw, 16.5px);
  line-height: 1.8;
  color: var(--brown);
}

/* ---------- 入口判断 ---------- */
.page-faq .pick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .pick-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
}

.page-faq .pick-card--crowd {
  background: var(--celadon-light);
}

.page-faq .pick-card__rail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink);
}

.page-faq .pick-card__rail::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 107, 53, .2);
}

.page-faq .pick-card--pc .pick-card__rail::before {
  background: var(--celadon);
  box-shadow: 0 0 0 4px rgba(62, 142, 126, .2);
}

.page-faq .pick-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .pick-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--brown);
}

.page-faq .pick-card__list li {
  position: relative;
  padding-left: 20px;
}

.page-faq .pick-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--ink);
  transform: rotate(45deg);
}

.page-faq .pick-card__link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .16s ease, background .16s ease, color .16s ease, box-shadow .16s ease;
}

.page-faq .pick-card__link:hover,
.page-faq .pick-card__link:focus-visible {
  background: var(--orange);
  color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-faq .pick-q {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  background: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
}

.page-faq .pick-q li {
  display: grid;
  gap: 4px 16px;
  padding: 14px 16px;
  border-bottom: var(--rule) solid var(--fog);
}

.page-faq .pick-q li:last-child {
  border-bottom: 0;
}

.page-faq .pick-q__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange-deep);
}

.page-faq .pick-q__ask {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .pick-q__ans {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--brown);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  margin-top: clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-toc {
  padding: 16px 18px;
  background: var(--cream);
  border: var(--rule) solid var(--ink);
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--orange-deep);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__list a {
  position: relative;
  display: block;
  padding: 7px 0 7px 26px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: color .15s ease;
}

.page-faq .faq-toc__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 1.5px;
  background: var(--fog);
  transition: background .15s ease, width .15s ease;
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--orange-deep);
}

.page-faq .faq-toc__list a:hover::before,
.page-faq .faq-toc__list a:focus-visible::before {
  background: var(--orange);
  width: 20px;
}

.page-faq .faq-group {
  scroll-margin-top: var(--faq-sticky);
  margin-bottom: clamp(32px, 5vw, 58px);
}

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

.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  background: var(--night);
  border: var(--rule-heavy) solid var(--ink);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  scroll-margin-top: var(--faq-sticky);
  margin-bottom: 12px;
  background: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
  box-shadow: 4px 4px 0 rgba(27, 42, 65, .14);
  transition: box-shadow .16s ease;
}

.page-faq .qa[open] {
  box-shadow: 6px 6px 0 var(--orange);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.page-faq .qa summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .qa__no {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--orange-deep);
  border: 1.5px solid currentColor;
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1.5px solid var(--ink);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: opacity .18s linear, transform .18s linear;
}

.page-faq .qa__sign::before {
  left: 50%;
  top: 3px;
  bottom: 3px;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .qa__sign::after {
  top: 50%;
  left: 3px;
  right: 3px;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .qa[open] .qa__sign::before {
  opacity: 0;
}

.page-faq .qa[open] .qa__sign::after {
  background: var(--orange-deep);
}

.page-faq .qa__body {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--fog);
  font-size: 15px;
  line-height: 1.78;
  color: var(--brown);
}

.page-faq .qa__body p {
  margin: .55em 0;
}

.page-faq .qa__body p:first-child {
  margin-top: 0;
}

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

.page-faq .qa__body ul,
.page-faq .qa__body ol {
  margin: .7em 0;
  padding-left: 1.3em;
}

.page-faq .qa__body li {
  margin: .35em 0;
}

.page-faq .qa__body strong {
  color: var(--ink);
  font-weight: 600;
}

.page-faq .qa__body a {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1.5px solid rgba(217, 78, 31, .45);
}

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  border-bottom-color: var(--orange-deep);
}

.page-faq .faq-note {
  display: block;
  margin: .8em 0;
  padding: 10px 14px;
  background: var(--celadon-light);
  border-left: 4px solid var(--celadon);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 联系 ---------- */
.page-faq .contact-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(22px, 3.4vw, 40px);
  background: var(--night);
  color: var(--sand);
  border: var(--rule-heavy) solid var(--ink);
  box-shadow: 8px 8px 0 var(--orange);
}

.page-faq .contact-item__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--celadon-soft);
}

.page-faq .contact-item__val {
  margin: 0 0 8px;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-faq .contact-item__val a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1.5px solid rgba(255, 107, 53, .5);
}

.page-faq .contact-item__val a:hover,
.page-faq .contact-item__val a:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

.page-faq .contact-item__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .contact-tail {
  margin-top: clamp(18px, 2.4vw, 26px);
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--cream);
  border: var(--rule) solid var(--ink);
}

.page-faq .contact-tail p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--brown);
}

.page-faq .contact-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-hero {
    box-shadow: 12px 12px 0 var(--ink);
  }

  .page-faq .pick-card {
    box-shadow: 6px 6px 0 var(--ink);
  }

  .page-faq .pick-q li {
    grid-template-columns: 48px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .pick-q__ans {
    grid-column: 2;
  }
}

@media (min-width: 780px) {
  .page-faq .pick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .contact-board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: clamp(24px, 3.4vw, 48px);
  }

  .page-faq .faq-hero__lede {
    max-width: 40em;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 214px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .qa summary {
    padding: 16px 20px;
  }

  .page-faq .qa__body {
    padding: 16px 20px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .pick-card__link,
  .page-faq .qa,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-toc__list a,
  .page-faq .faq-toc__list a::before {
    transition: none;
  }

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