.page-faq {
  --faq-cut: 18px;
  --faq-aside-w: 300px;
  position: relative;
  overflow-x: hidden;
  background: var(--yk-mist);
  color: var(--yk-ink);
  font-family: var(--yk-font-body);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 0;
  background:
    radial-gradient(130% 82% at 92% -12%, rgba(14, 124, 134, .16), rgba(14, 124, 134, 0) 62%),
    linear-gradient(180deg, #ffffff 0%, var(--yk-mist) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  top: 26%;
  width: 112%;
  height: 1px;
  background: linear-gradient(90deg, rgba(14, 124, 134, 0), rgba(14, 124, 134, .5) 30%, rgba(242, 183, 5, .55) 70%, rgba(14, 124, 134, 0));
  transform: rotate(-3.4deg);
  transform-origin: left center;
  pointer-events: none;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 24ch;
  font-family: var(--yk-font-head);
  font-size: clamp(2rem, 7vw, 3.4rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--yk-ink);
}

.page-faq .faq-hero__lead {
  margin: 14px 0 0;
  max-width: 34rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--yk-ink-70);
}

.page-faq .faq-quickfacts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--yk-gray);
  background: var(--yk-gray);
}

.page-faq .faq-quickfact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: #fff;
}

.page-faq .faq-quickfact__num {
  font-family: var(--yk-font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--yk-teal);
}

.page-faq .faq-quickfact__label {
  font-size: .8rem;
  line-height: 1.6;
  color: var(--yk-ink-55);
}

.page-faq .faq-hero__media {
  margin: 30px 0 0;
  line-height: 0;
  background: var(--yk-ink);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

/* ============ 主题胶囊（吸附） ============ */
.page-faq .faq-topics {
  position: sticky;
  top: var(--yk-topbar-h);
  z-index: 6;
  background: rgba(247, 250, 251, .95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--yk-gray);
  border-bottom: 1px solid var(--yk-gray);
}

.page-faq .faq-topics__inner {
  display: flex;
  gap: 8px;
  padding-top: 11px;
  padding-bottom: 11px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-faq .faq-topics__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--yk-gray);
  border-radius: 999px;
  background: #fff;
  color: var(--yk-ink);
  font-size: .875rem;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color .16s var(--yk-ease), color .16s var(--yk-ease), border-color .16s var(--yk-ease);
}

.page-faq .faq-chip__no {
  font-family: var(--yk-font-num);
  font-variant-numeric: tabular-nums;
  font-size: .72rem;
  font-weight: 600;
  color: var(--yk-ink-55);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--yk-teal);
  border-color: var(--yk-teal);
  color: #fff;
}

.page-faq .faq-chip:hover .faq-chip__no,
.page-faq .faq-chip:focus-visible .faq-chip__no {
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-chip:focus-visible {
  outline: 3px solid var(--yk-gold);
  outline-offset: 2px;
}

/* ============ 主体两栏 ============ */
.page-faq .faq-body {
  padding: 34px 0 8px;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 34px;
}

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

/* ============ 问答分组 ============ */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--yk-topbar-h) + 74px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 46px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--yk-ink);
}

.page-faq .faq-group__no {
  padding-top: .5em;
  font-family: var(--yk-font-num);
  font-variant-numeric: tabular-nums;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--yk-teal);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--yk-font-head);
  font-size: clamp(1.4rem, 4.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--yk-ink);
}

.page-faq .faq-group__desc {
  margin: 6px 0 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--yk-ink-55);
}

/* ============ 手风琴 ============ */
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--yk-gray);
  background: #fff;
  transition: background-color .18s var(--yk-ease);
}

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--yk-gray);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: var(--yk-gold);
  transform: translateY(-50%);
  transition: height .26s var(--yk-ease);
}

.page-faq .faq-item[open]::before {
  height: calc(100% - 22px);
}

.page-faq .faq-item[open] {
  background: linear-gradient(180deg, rgba(242, 183, 5, .055), rgba(242, 183, 5, 0) 60%), #fff;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 10px 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--yk-font-head);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--yk-ink);
  transition: color .16s var(--yk-ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--yk-teal);
}

.page-faq .faq-item__q:focus-visible {
  outline: 3px solid var(--yk-gold);
  outline-offset: 2px;
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--yk-teal);
  border-radius: 2px;
}

.page-faq .faq-item__mark::before {
  width: 13px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  width: 2px;
  height: 13px;
  transition: transform .2s var(--yk-ease), opacity .2s var(--yk-ease);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 22px 20px 20px;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--yk-ink-70);
}

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

.page-faq .faq-num {
  display: inline-block;
  padding: 0 6px;
  margin: 0 2px;
  font-family: var(--yk-font-num);
  font-variant-numeric: tabular-nums;
  font-size: .92em;
  font-weight: 600;
  color: var(--yk-deep);
  background: rgba(14, 124, 134, .1);
  border-bottom: 2px solid var(--yk-gold);
  border-radius: 2px;
}

/* ============ 家庭看台配图 ============ */
.page-faq .faq-media {
  margin: 22px 0 4px;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1000 / 650;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-media__caption {
  margin-top: 9px;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--yk-ink-55);
}

/* ============ 右侧窄栏 ============ */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-aside__panel {
  padding: 24px 22px 26px;
  color: #fff;
  background-color: var(--yk-ink);
  background-image:
    repeating-linear-gradient(112deg, rgba(95, 201, 214, .1) 0 1px, rgba(95, 201, 214, 0) 1px 10px),
    linear-gradient(158deg, #102a43 0%, #0a5a62 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-aside__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  font-family: var(--yk-font-head);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--yk-glow);
}

.page-faq .faq-aside__title::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 2px;
  background: var(--yk-gold);
}

.page-faq .faq-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-links__item + .faq-links__item {
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.page-faq .faq-links__a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 2px 11px 10px;
  border-left: 2px solid transparent;
  color: rgba(255, 255, 255, .84);
  font-size: .9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color .16s var(--yk-ease), border-color .16s var(--yk-ease), background-color .16s var(--yk-ease);
}

.page-faq .faq-links__a::after {
  content: "→";
  flex: 0 0 auto;
  color: var(--yk-gold);
  transition: transform .16s var(--yk-ease);
}

.page-faq .faq-links__a:hover,
.page-faq .faq-links__a:focus-visible {
  color: #fff;
  border-left-color: var(--yk-gold);
  background: rgba(95, 201, 214, .14);
}

.page-faq .faq-links__a:hover::after {
  transform: translateX(3px);
}

.page-faq .faq-links__a:focus-visible {
  outline: 3px solid var(--yk-gold);
  outline-offset: 2px;
}

.page-faq .faq-aside__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .82rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .7);
}

.page-faq .faq-aside__note strong {
  font-weight: 600;
  color: var(--yk-glow);
  word-break: break-word;
}

/* ============ 联系区 ============ */
.page-faq .faq-support {
  margin-top: 46px;
  padding: 44px 0 62px;
  border-top: 1px solid var(--yk-gray);
  background: linear-gradient(180deg, rgba(14, 124, 134, .08) 0%, rgba(247, 250, 251, 0) 72%), var(--yk-mist);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-support__kicker {
  display: inline-block;
  margin: 0;
  padding-left: 9px;
  border-left: 2px solid var(--yk-gold);
  font-family: var(--yk-font-num);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--yk-teal);
}

.page-faq .faq-support__title {
  margin: 14px 0 0;
  font-family: var(--yk-font-head);
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--yk-ink);
}

.page-faq .faq-support__text {
  margin: 12px 0 22px;
  max-width: 34rem;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--yk-ink-70);
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--yk-gray);
}

.page-faq .faq-contact-list__item {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--yk-gray);
}

.page-faq .faq-contact-list__label {
  padding-top: 2px;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--yk-ink-55);
}

.page-faq .faq-contact-list__value {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--yk-ink);
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-faq .faq-contact-list__value strong {
  font-family: var(--yk-font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--yk-deep);
}

/* ============ 响应式 ============ */
@media (min-width: 620px) {
  .page-faq .faq-hero {
    padding-top: 34px;
  }

  .page-faq .faq-quickfacts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact-list__item {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    padding-top: 44px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 1fr) var(--faq-aside-w);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--yk-topbar-h) + 76px);
    align-self: start;
  }

  .page-faq .faq-item__q {
    font-size: 1.06rem;
    padding-right: 16px;
  }

  .page-faq .faq-item__a {
    padding-right: 48px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__title {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item::before,
  .page-faq .faq-item__q,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-chip,
  .page-faq .faq-links__a,
  .page-faq .faq-links__a::after {
    transition: none;
  }
}