/* ===== 帮助中心 ===== */
.page-faq {
  --faq-line: rgba(18, 16, 15, 0.14);
  --faq-muted: rgba(18, 16, 15, 0.68);
  --faq-panel: var(--white);
  color: var(--ink);
}

.page-faq .crumbs-row {
  padding-block: 18px 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: 20px 52px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 32px;
  align-items: end;
}

.page-faq .faq-hero__text .display-lg {
  margin: 14px 0 0;
}

.page-faq .faq-hero__text .lede {
  margin-top: 20px;
  max-width: 42ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

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

.page-faq .faq-hero__figure .frame__cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--faq-muted);
}

/* ---------- 主题标签 ---------- */
.page-faq .faq-nav {
  padding-block: 34px 38px;
}

.page-faq .faq-nav .eyebrow {
  color: var(--faq-muted);
}

.page-faq .faq-tabs {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 34px;
  padding: 0 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--faq-line);
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-faq .faq-tabs a:hover,
.page-faq .faq-tabs a:focus-visible {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
  outline: none;
}

.page-faq .faq-tabs__idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--red);
}

.page-faq .faq-tabs a:hover .faq-tabs__idx,
.page-faq .faq-tabs a:focus-visible .faq-tabs__idx {
  color: var(--white);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-groups {
  padding-block: 54px 72px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 44px;
}

.page-faq .faq-body {
  display: grid;
  gap: 56px;
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 92px;
}

.page-faq .faq-group__head {
  border-top: 2px solid var(--ink);
  padding-top: 20px;
}

.page-faq .faq-group__head .display-md {
  margin: 10px 0 0;
}

.page-faq .faq-group__lead {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-muted);
}

.page-faq .faq-inline-figure {
  margin: 26px 0 0;
}

.page-faq .faq-inline-figure .frame__cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--faq-muted);
}

/* ---------- 问题行 ---------- */
.page-faq .faq-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
  scroll-margin-top: 92px;
}

.page-faq .faq-item h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 56px;
  padding: 16px 4px;
  background: none;
  border: 0;
  border-radius: 10px;
  font: inherit;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-q:hover {
  color: var(--red);
}

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

.page-faq .faq-q__idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--faq-muted);
  min-width: 26px;
}

.page-faq .faq-q__text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(18, 16, 15, 0.24);
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform 0.24s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-q__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-q__mark::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-q[aria-expanded="true"] {
  color: var(--red);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__mark {
  border-color: var(--gold);
  background: var(--gold);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

/* ---------- 答案 ---------- */
.page-faq .faq-a {
  padding: 0 0 22px;
}

.page-faq .faq-a__inner {
  background: var(--faq-panel);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-md);
  padding: 20px 22px;
}

.page-faq .faq-a__inner p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-faq .faq-group__more {
  margin: 22px 0 0;
  font-size: 14px;
}

.page-faq .faq-group__more a {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--red);
  color: var(--red);
  text-decoration: none;
}

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

/* ---------- 旁注索引 ---------- */
.page-faq .faq-note {
  min-width: 0;
}

.page-faq .faq-note__inner {
  background: var(--cream);
  border-radius: var(--r-md);
  padding: 22px 20px;
}

.page-faq .faq-note__list {
  list-style: none;
  counter-reset: faq-note;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-note__list li {
  counter-increment: faq-note;
}

.page-faq .faq-note__list a {
  display: block;
  padding: 10px 0 10px 26px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-note__list a::before {
  content: counter(faq-note, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-faq .faq-note__list a:hover,
.page-faq .faq-note__list a:focus-visible {
  color: var(--red);
  padding-left: 32px;
}

.page-faq .faq-note__cta {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

/* ---------- 联系人工 ---------- */
.page-faq .faq-reach {
  padding-block: 62px 76px;
  scroll-margin-top: 80px;
}

.page-faq .faq-reach__head .index-tag {
  color: var(--gold);
}

.page-faq .faq-reach__head .display-md {
  margin: 12px 0 0;
  color: var(--white);
}

.page-faq .faq-reach__lead {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-reach__grid {
  margin-top: 38px;
}

.page-faq .faq-reach__card {
  background: var(--ink-2);
  border-top: 3px solid var(--red);
  border-radius: var(--r-md);
  padding: 24px;
}

.page-faq .faq-reach__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-reach__value {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-reach__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.7);
}

.page-faq .faq-reach__tip {
  margin: 32px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.76);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-a {
    padding-left: 40px;
  }

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

@media (min-width: 900px) {
  .page-faq .crumbs-row {
    padding-block: 24px 8px;
  }

  .page-faq .faq-hero {
    padding-block: 28px 66px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
    gap: 56px;
  }

  .page-faq .faq-hero__text .lede {
    margin-top: 24px;
  }

  .page-faq .faq-nav {
    padding-block: 40px 44px;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) var(--note-w);
    gap: 60px;
    align-items: start;
  }

  .page-faq .faq-body {
    gap: 68px;
  }

  .page-faq .faq-note__inner {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-faq .faq-reach {
    padding-block: 76px 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tabs a,
  .page-faq .faq-q,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after,
  .page-faq .faq-note__list a {
    transition: none;
  }
}