.page-faq {
  background: var(--jn-paper);
  color: var(--jn-ink);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--jn-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-faq .faq-crumbs a {
  color: var(--jn-lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--jn-ease);
}

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

.page-faq .faq-crumbs__sep {
  color: rgba(244, 241, 234, 0.45);
}

.page-faq .faq-crumbs span[aria-current] {
  color: rgba(244, 241, 234, 0.75);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--jn-ink);
  color: var(--jn-paper);
  border-bottom: var(--jn-frame);
  padding: clamp(28px, 5vw, 44px) 0 clamp(52px, 8vw, 88px);
}

.page-faq .faq-hero::after {
  content: "?";
  position: absolute;
  right: -3%;
  top: -14%;
  z-index: -1;
  font-family: var(--jn-font-mono);
  font-weight: 700;
  font-size: clamp(220px, 44vw, 600px);
  line-height: 0.8;
  color: rgba(182, 255, 59, 0.07);
  pointer-events: none;
  user-select: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  margin-top: clamp(28px, 5vw, 56px);
}

.page-faq .faq-hero__lead {
  max-width: 42ch;
}

.page-faq .faq-hero__lead .jn-h1 {
  margin: 12px 0 0;
}

.page-faq .faq-hero__lead .jn-lede {
  margin-top: 20px;
  max-width: 46ch;
}

/* 首屏分类索引 */
.page-faq .faq-hero__index {
  align-self: end;
}

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

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(244, 241, 234, 0.24);
}

.page-faq .faq-index li {
  border-bottom: 1px solid rgba(244, 241, 234, 0.24);
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 6px;
  color: inherit;
  text-decoration: none;
  font-size: 15px;
  transition: background 0.2s var(--jn-ease), padding-left 0.2s var(--jn-ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: rgba(182, 255, 59, 0.12);
  padding-left: 14px;
}

.page-faq .faq-index__no {
  font-family: var(--jn-font-mono);
  font-size: 13px;
  color: var(--jn-lime);
}

.page-faq .faq-index__arrow {
  font-family: var(--jn-font-mono);
  color: rgba(244, 241, 234, 0.5);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-block {
  padding: clamp(52px, 8vw, 96px) 0;
  border-bottom: var(--jn-frame);
  scroll-margin-top: 120px;
}

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

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

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-block__no {
  font-family: var(--jn-font-mono);
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--jn-orange);
}

.page-faq .faq-block--ink .faq-block__no,
.page-faq .faq-block--indigo .faq-block__no {
  color: var(--jn-lime);
}

.page-faq .faq-block__sub {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(14, 26, 43, 0.72);
}

.page-faq .faq-block--ink .faq-block__sub,
.page-faq .faq-block--indigo .faq-block__sub {
  color: rgba(244, 241, 234, 0.76);
}

/* ---------- 图文布局 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--jn-frame);
  border-radius: var(--jn-radius-sm);
  box-shadow: var(--jn-shadow);
  background: var(--jn-jiangnan);
}

.page-faq .faq-block--ink .faq-figure img,
.page-faq .faq-block--indigo .faq-figure img {
  border-color: rgba(244, 241, 234, 0.35);
  box-shadow: 8px 8px 0 rgba(11, 15, 20, 0.7);
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-family: var(--jn-font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: rgba(14, 26, 43, 0.62);
}

.page-faq .faq-block--ink .faq-figure figcaption,
.page-faq .faq-block--indigo .faq-figure figcaption {
  color: rgba(244, 241, 234, 0.65);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-faq .qa {
  border: var(--jn-frame);
  border-radius: var(--jn-radius-sm);
  background: var(--jn-white);
  box-shadow: var(--jn-shadow);
  transition: box-shadow 0.2s var(--jn-ease), transform 0.2s var(--jn-ease);
}

.page-faq .qa:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--jn-shadow-lg);
}

.page-faq .qa[open] {
  transform: none;
  box-shadow: inset 0 0 0 3px var(--jn-lime), var(--jn-shadow-lg);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
  text-align: left;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  transition: background 0.2s var(--jn-ease);
}

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

.page-faq .qa__q:hover {
  background: rgba(182, 255, 59, 0.18);
}

.page-faq .qa__q:focus-visible {
  outline: 3px solid var(--jn-orange);
  outline-offset: 2px;
}

.page-faq .qa__no {
  font-family: var(--jn-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--jn-orange);
}

.page-faq .qa__mark {
  position: relative;
  width: 20px;
  height: 20px;
  justify-self: end;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--jn-ink);
  border-radius: 2px;
  transition: transform 0.2s var(--jn-ease);
}

.page-faq .qa__mark::before {
  left: 0;
  right: 0;
  top: 9px;
  height: 2px;
}

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 9px;
  width: 2px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
}

.page-faq .qa__a {
  padding: 0 16px 18px 62px;
  font-size: 15.5px;
  line-height: 1.8;
}

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

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

/* 深色与珠宝色章节内的卡片 */
.page-faq .faq-block--ink .qa,
.page-faq .faq-block--indigo .qa {
  background: rgba(244, 241, 234, 0.06);
  border-color: rgba(244, 241, 234, 0.32);
  box-shadow: none;
  color: var(--jn-paper);
}

.page-faq .faq-block--ink .qa:hover,
.page-faq .faq-block--indigo .qa:hover {
  transform: none;
  box-shadow: 0 0 0 2px rgba(182, 255, 59, 0.45);
}

.page-faq .faq-block--ink .qa[open],
.page-faq .faq-block--indigo .qa[open] {
  background: rgba(182, 255, 59, 0.1);
  box-shadow: inset 0 0 0 3px var(--jn-lime);
}

.page-faq .faq-block--ink .qa__q:hover,
.page-faq .faq-block--indigo .qa__q:hover {
  background: rgba(182, 255, 59, 0.14);
}

.page-faq .faq-block--ink .qa__no,
.page-faq .faq-block--indigo .qa__no {
  color: var(--jn-lime);
}

.page-faq .faq-block--ink .qa__mark::before,
.page-faq .faq-block--ink .qa__mark::after,
.page-faq .faq-block--indigo .qa__mark::before,
.page-faq .faq-block--indigo .qa__mark::after {
  background: var(--jn-paper);
}

.page-faq .faq-block--ink .qa__a,
.page-faq .faq-block--indigo .qa__a {
  color: rgba(244, 241, 234, 0.86);
}

/* ---------- 页尾提示 ---------- */
.page-faq .faq-footnote {
  margin-top: clamp(36px, 6vw, 64px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: 2px dashed rgba(14, 26, 43, 0.28);
}

.page-faq .faq-footnote__text {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-block__head {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-faq .faq-block__no {
    padding-top: 6px;
  }

  .page-faq .qa__q {
    padding: 18px 22px;
    grid-template-columns: 38px minmax(0, 1fr) 22px;
  }

  .page-faq .qa__a {
    padding: 0 22px 20px 84px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.75fr);
    align-items: end;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-faq .faq-body--flip {
    grid-template-columns: 320px minmax(0, 1fr);
  }

  .page-faq .faq-body--flip .faq-figure {
    order: -1;
  }

  .page-faq .qa-list > .qa:nth-child(even) {
    margin-left: 6%;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 360px;
  }

  .page-faq .faq-body--flip {
    grid-template-columns: 360px minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .page-faq .qa__q {
    grid-template-columns: 26px minmax(0, 1fr) 18px;
    gap: 10px;
    padding: 14px 14px;
  }

  .page-faq .qa__a {
    padding: 0 14px 16px 50px;
    font-size: 15px;
  }

  .page-faq .faq-index a {
    grid-template-columns: 32px minmax(0, 1fr) auto;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .faq-index a,
  .page-faq .faq-crumbs a {
    transition: none;
  }

  .page-faq .qa:hover {
    transform: none;
  }
}