.page-faq {
  --faq-hair: rgba(11, 21, 36, 0.14);
  --faq-hair-strong: rgba(11, 21, 36, 0.28);
  --faq-body: rgba(11, 21, 36, 0.82);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding: 20px 0 4px;
}
.page-faq .breadcrumb-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  font-size: 0.8125rem;
}
.page-faq .breadcrumb-item {
  color: var(--gray);
}
.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}
.page-faq .breadcrumb-link {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 10px;
  padding: 36px 0 0;
  background: var(--indigo);
  color: var(--paper);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -90px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle at 32% 32%, rgba(242, 106, 33, 0.38), rgba(242, 106, 33, 0) 70%);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -28px;
  height: 56px;
  background: var(--paper);
  transform: rotate(-1.6deg);
  pointer-events: none;
}
.page-faq .faq-hero .container {
  position: relative;
  z-index: 2;
}
.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-bottom: 76px;
}
.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-size: clamp(1.95rem, 6.4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 15em;
}
.page-faq .faq-hero__lede {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.84);
  max-width: var(--measure);
}
.page-faq .faq-hero__media {
  margin: 0;
  padding: 8px;
  border: 1px solid rgba(224, 179, 65, 0.55);
  background: rgba(246, 241, 231, 0.06);
}
.page-faq .faq-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-faq .faq-hero__media .media-frame__caption {
  margin: 10px 2px 2px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: rgba(246, 241, 231, 0.66);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 52px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
    padding-bottom: 96px;
  }
}

/* ---------- 分类标签条 ---------- */
.page-faq .faq-nav {
  padding: 34px 0 6px;
}
.page-faq .faq-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--faq-hair-strong);
  background: transparent;
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}
.page-faq .faq-tab__count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--orange);
  transition: color 180ms ease;
}
.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--paper);
}
.page-faq .faq-tab:hover .faq-tab__count,
.page-faq .faq-tab:focus-visible .faq-tab__count {
  color: var(--gold);
}

/* ---------- 问答区块骨架 ---------- */
.page-faq .faq-section {
  padding: 46px 0 10px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-faq .faq-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}
.page-faq .faq-section__aside {
  position: relative;
}
.page-faq .faq-section .section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}
.page-faq .faq-section .section-title {
  margin: 10px 0 0;
  font-size: clamp(1.45rem, 4vw, 2.05rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--indigo);
}
.page-faq .faq-section__note {
  margin: 12px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--gray);
  max-width: 22em;
}

@media (min-width: 960px) {
  .page-faq .faq-section__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 52px;
    align-items: start;
  }
  .page-faq .faq-section__aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding-right: 12px;
    border-right: 1px solid var(--faq-hair);
  }
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--faq-hair-strong);
}
.page-faq .qa-item {
  position: relative;
  border-bottom: 1px solid var(--faq-hair);
  background: transparent;
  transition: background 200ms ease;
}
.page-faq .qa-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--green);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 200ms ease;
}
.page-faq .qa-item[open] {
  background: var(--sand);
}
.page-faq .qa-item[open]::before {
  transform: scaleY(1);
}
.page-faq .qa-question {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: start;
  padding: 19px 14px 19px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.62;
  color: var(--ink);
}
.page-faq .qa-question::-webkit-details-marker {
  display: none;
}
.page-faq .qa-question::marker {
  content: "";
}
.page-faq .qa-question:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}
.page-faq .qa-num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--orange);
}
.page-faq .qa-mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}
.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--indigo);
  transition: transform 200ms ease, opacity 200ms ease;
}
.page-faq .qa-mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}
.page-faq .qa-mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}
.page-faq .qa-item[open] .qa-mark::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-faq .qa-answer {
  padding: 0 16px 22px 52px;
  font-size: 0.9375rem;
  line-height: 1.86;
  color: var(--faq-body);
}
.page-faq .qa-answer p {
  margin: 0 0 0.72em;
  max-width: 34em;
}
.page-faq .qa-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .qa-answer a {
  color: var(--indigo);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 180ms ease;
}
.page-faq .qa-answer a:hover,
.page-faq .qa-answer a:focus-visible {
  color: var(--orange);
}

@media (min-width: 720px) {
  .page-faq .qa-question {
    grid-template-columns: 46px minmax(0, 1fr) 18px;
    padding: 21px 20px 21px 18px;
    font-size: 1.0625rem;
  }
  .page-faq .qa-answer {
    padding: 0 20px 26px 64px;
  }
}

/* ---------- 四级索引阶梯 ---------- */
.page-faq .index-ladder {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  counter-reset: ladder;
}
.page-faq .index-ladder__step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--indigo);
  color: var(--paper);
  font-size: 0.8125rem;
  font-weight: 700;
}
.page-faq .index-ladder__step:nth-child(2) {
  background: var(--blue);
}
.page-faq .index-ladder__step:nth-child(3) {
  background: var(--green);
}
.page-faq .index-ladder__step:nth-child(4) {
  background: var(--orange);
}
.page-faq .index-ladder__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  opacity: 0.82;
}
.page-faq .index-ladder__label {
  letter-spacing: 0.02em;
}

/* ---------- 公告栏 ---------- */
.page-faq .faq-notice {
  padding: 50px 0 26px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-faq .notice-board {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--gold);
  box-shadow: 10px 10px 0 var(--sand);
  padding: 30px 20px 26px;
  margin-right: 10px;
}
.page-faq .notice-board::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0 38%, var(--orange) 38% 62%, var(--green) 62% 100%);
}
.page-faq .notice-board__kicker {
  margin: 4px 0 12px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}
.page-faq .notice-board__title {
  margin: 0 0 14px;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  font-weight: 900;
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--indigo);
  max-width: 20em;
}
.page-faq .notice-board__lede {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--faq-body);
  max-width: 36em;
}
.page-faq .notice-list {
  margin: 0;
  border-top: 1px solid rgba(224, 179, 65, 0.5);
}
.page-faq .notice-item {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(11, 21, 36, 0.18);
}
.page-faq .notice-item:last-child {
  border-bottom: 0;
}
.page-faq .notice-item dt {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gray);
}
.page-faq .notice-item dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--ink);
}
.page-faq .notice-board__more {
  margin: 18px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--gray);
  max-width: 36em;
}
.page-faq .notice-board__more a {
  color: var(--indigo);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.page-faq .notice-board__more a:hover,
.page-faq .notice-board__more a:focus-visible {
  color: var(--orange);
}
.page-faq .notice-board__media {
  margin: 24px 0 0;
  padding: 6px;
  border: 1px solid rgba(11, 21, 36, 0.14);
  background: var(--sand);
}
.page-faq .notice-board__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-faq .notice-board__media .media-frame__caption {
  margin: 8px 2px 2px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--gray);
}

@media (min-width: 900px) {
  .page-faq .faq-notice {
    padding: 60px 0 32px;
  }
  .page-faq .notice-board {
    padding: 40px 34px 34px;
  }
  .page-faq .notice-board__inner {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 38px;
    align-items: start;
  }
  .page-faq .notice-board__media {
    margin-top: 6px;
  }
}

/* ---------- 咨询收尾 ---------- */
.page-faq .faq-section--help {
  padding-bottom: 26px;
}
.page-faq .help-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 26px;
  padding: 20px 22px;
  background: var(--indigo);
  color: var(--paper);
  border-left: 4px solid var(--orange);
}
.page-faq .help-cta__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.88);
}
.page-faq .help-cta__btn {
  flex: 0 0 auto;
}

@media (max-width: 480px) {
  .page-faq .notice-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
  .page-faq .qa-question {
    grid-template-columns: 30px minmax(0, 1fr) 14px;
    gap: 10px;
    padding: 17px 12px 17px 14px;
  }
  .page-faq .qa-answer {
    padding: 0 12px 20px 46px;
  }
}