.page-faq {
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 10px;
}

.page-faq .breadcrumb {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 24px 0 40px;
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -3px;
  width: 96px;
  height: 6px;
  background: var(--orange);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 22px;
  margin-top: 16px;
}

.page-faq .faq-hero__main h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--teal);
}

.page-faq .faq-hero__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(16, 20, 24, 0.8);
  max-width: 46rem;
}

.page-faq .faq-hero__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 18px 0 0;
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--teal);
  background: var(--mist);
  border: 1px dashed rgba(16, 20, 24, 0.22);
}

.page-faq .faq-hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  flex: none;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 30px;
  padding: 38px 0 72px;
}

.page-faq .faq-index {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 11px;
  border-left: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--orange);
  background: var(--mist);
  color: var(--teal);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  color: var(--slate);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 52px;
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.25;
  letter-spacing: -0.005em;
}

.page-faq .faq-group__note {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa {
  margin-bottom: 10px;
  background: var(--mist);
  border: 1px solid var(--line-ink);
}

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

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
}

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

.page-faq .qa__q::marker {
  content: "";
}

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

.page-faq .qa__index {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
}

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

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .qa__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

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

.page-faq .qa__a {
  padding: 2px 16px 18px 40px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(16, 20, 24, 0.88);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 44rem;
}

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

/* ---------- 图文侧排 ---------- */
.page-faq .faq-side {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.page-faq .faq-media {
  margin: 0;
  max-width: 100%;
}

.page-faq .faq-media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-media--portrait {
  margin-top: 26px;
  max-width: 400px;
}

.page-faq .faq-side__note {
  border-left: 3px solid var(--orange);
  padding: 4px 0 4px 18px;
}

.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

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

.page-faq .faq-side__list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14.5px;
  line-height: 1.7;
  border-bottom: 1px dotted rgba(16, 20, 24, 0.16);
}

.page-faq .faq-side__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 7px;
  height: 7px;
  background: var(--mustard);
  transform: rotate(45deg);
}

/* ---------- 深色分组 ---------- */
.page-faq .faq-group--dark {
  background: var(--teal);
  color: var(--paper);
  padding: 24px 18px 28px;
  border: 1px solid var(--teal-deep);
}

.page-faq .faq-group--dark .faq-group__head {
  border-bottom-color: var(--line-light);
}

.page-faq .faq-group--dark .faq-group__title {
  color: var(--paper);
}

.page-faq .faq-group--dark .faq-group__num {
  color: var(--mustard);
}

.page-faq .faq-group--dark .faq-group__note {
  color: rgba(250, 246, 239, 0.68);
}

.page-faq .faq-group--dark .qa {
  background: rgba(250, 246, 239, 0.07);
  border-color: var(--line-light);
}

.page-faq .faq-group--dark .qa__q {
  color: var(--paper);
}

.page-faq .faq-group--dark .qa__index {
  color: var(--mustard);
}

.page-faq .faq-group--dark .qa__mark::before,
.page-faq .faq-group--dark .qa__mark::after {
  background: var(--mustard);
}

.page-faq .faq-group--dark .qa__a {
  color: rgba(250, 246, 239, 0.9);
}

.page-faq .faq-group--dark .media__caption {
  color: rgba(250, 246, 239, 0.72);
}

/* ---------- 客服通道 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 20px;
}

.page-faq .faq-help__card {
  padding: 22px 20px;
  background: var(--sand);
  border: 1px solid var(--line-ink);
}

.page-faq .faq-help__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  color: var(--teal);
}

.page-faq .faq-help__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(16, 20, 24, 0.82);
}

.page-faq .faq-help__dl {
  margin: 0;
  border-top: 1px solid rgba(16, 20, 24, 0.18);
}

.page-faq .faq-help__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 10px 0;
  border-bottom: 1px dotted rgba(16, 20, 24, 0.2);
}

.page-faq .faq-help__row dt {
  flex: none;
  width: 76px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--teal);
  padding-top: 2px;
}

.page-faq .faq-help__row dd {
  margin: 0;
  flex: 1 1 200px;
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
}

.page-faq .faq-help__row dd a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 4px;
}

.page-faq .faq-help__aside p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(16, 20, 24, 0.76);
}

.page-faq .faq-help__aside .btn {
  margin: 4px 10px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-side {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-faq .faq-help {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-group--dark {
    padding: 30px 28px 34px;
  }

  .page-faq .qa__a--cols .qa__cols {
    column-count: 2;
    column-gap: 34px;
    column-rule: 1px dotted rgba(138, 161, 177, 0.95);
  }

  .page-faq .qa__a--cols .qa__cols p {
    max-width: none;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 46px;
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-group__note {
    margin-left: 0;
    width: 100%;
  }

  .page-faq .qa__a {
    padding-left: 16px;
  }

  .page-faq .faq-help__row dt {
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after {
    transition: none;
  }
}