.page-faq {
  --faq-muted: #5a5660;
  --faq-hair: rgba(18, 16, 20, 0.14);
  background: var(--hx-cream);
  color: var(--hx-ink);
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--hx-ink);
  color: var(--hx-white);
  border-bottom: var(--bd) solid var(--hx-orange);
  padding-bottom: var(--gap-l);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -140px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.5), rgba(255, 90, 31, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -80px;
  bottom: -160px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(31, 224, 176, 0.22), rgba(31, 224, 176, 0) 70%);
  pointer-events: none;
}

.page-faq .crumb {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--hx-gray);
}

.page-faq .crumb a {
  color: var(--hx-mint);
  text-decoration: none;
}

.page-faq .crumb a:hover {
  color: var(--hx-orange);
}

.page-faq .crumb__sep {
  color: rgba(140, 148, 156, 0.7);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--gap);
  padding: var(--gap-l) 0 var(--gap);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--hx-mint);
}

.page-faq .faq-hero__kicker::before {
  content: "[ ";
}

.page-faq .faq-hero__kicker::after {
  content: " ]";
}

.page-faq .faq-hero__title {
  margin: 0 0 var(--gap-s);
  font-size: var(--fs-xxl);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-shadow: 1.5px 0 0 var(--hx-orange), -0.5px 0 0 var(--hx-orange);
  transform: skewX(-1.5deg);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(243, 239, 230, 0.84);
}

.page-faq .faq-hero__fig {
  margin: 0;
  border: var(--bd) solid var(--hx-orange);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 0 var(--hx-red);
  overflow: hidden;
  background: var(--hx-teal);
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  object-fit: cover;
}

/* ---------- 分类标签 ---------- */
.page-faq .faq-chips {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: var(--bd) solid rgba(243, 239, 230, 0.32);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: rgba(243, 239, 230, 0.9);
  text-decoration: none;
  transition: background 0.2s ease-out, color 0.2s ease-out, border-color 0.2s ease-out;
}

.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  background: var(--hx-orange);
  border-color: var(--hx-orange);
  color: var(--hx-ink);
}

.page-faq .faq-chips__no {
  padding: 1px 4px;
  border: 1px solid rgba(31, 224, 176, 0.55);
  border-radius: 2px;
  font-size: 0.68rem;
  color: var(--hx-mint);
}

.page-faq .faq-chips a:hover .faq-chips__no {
  color: var(--hx-ink);
  border-color: rgba(18, 16, 20, 0.5);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  padding: var(--gap-l) 0 calc(var(--gap-l) * 1.6);
}

.page-faq .faq-split {
  display: grid;
  gap: var(--gap-l);
  align-items: start;
}

.page-faq .faq-rail__panel {
  padding: 18px;
  background: var(--hx-indigo);
  color: var(--hx-white);
  border: var(--bd) solid var(--hx-ink);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 0 var(--hx-orange);
}

.page-faq .faq-rail__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--hx-mint);
}

.page-faq .faq-rail__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.page-faq .faq-rail__nav a {
  padding: 5px 10px;
  border-left: 3px solid rgba(243, 239, 230, 0.22);
  font-family: var(--font-mono);
  font-size: 0.79rem;
  color: rgba(243, 239, 230, 0.82);
  text-decoration: none;
  transition: color 0.2s ease-out, border-color 0.2s ease-out;
}

.page-faq .faq-rail__nav a:hover,
.page-faq .faq-rail__nav a:focus-visible {
  color: var(--hx-mint);
  border-left-color: var(--hx-mint);
}

.page-faq .faq-rail__help {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(243, 239, 230, 0.22);
}

.page-faq .faq-rail__help strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.page-faq .faq-rail__help p {
  margin: 0 0 12px;
  font-size: 0.82rem;
  line-height: 1.75;
  color: rgba(243, 239, 230, 0.74);
}

.page-faq .faq-rail__help .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 12px;
  background: var(--hx-orange);
  color: var(--hx-ink);
  border: var(--bd) solid var(--hx-ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 0 var(--hx-ink);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.page-faq .faq-rail__help .btn:hover {
  background: var(--hx-mint);
}

/* ---------- 分组卡片 ---------- */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  position: relative;
  margin-bottom: var(--gap-l);
  padding: 20px;
  background: var(--hx-white);
  border: var(--bd) solid var(--hx-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

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

.page-faq .faq-group__head {
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: var(--bd) solid var(--hx-ink);
}

.page-faq .faq-group__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--hx-red);
}

.page-faq .faq-group__title {
  margin: 5px 0 6px;
  font-size: var(--fs-l);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--faq-muted);
}

.page-faq .faq-group__fig {
  margin: 16px 0 8px;
  border: var(--bd) solid var(--hx-ink);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--hx-teal);
}

.page-faq .faq-group__fig img {
  display: block;
  width: 100%;
  object-fit: cover;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  margin-top: 4px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-item:last-child {
  border-bottom: 0;
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease-out;
}

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

.page-faq .faq-item__q:hover {
  background: rgba(255, 90, 31, 0.06);
}

.page-faq .faq-item__no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--hx-red);
}

.page-faq .faq-item__text {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
}

.page-faq .faq-item__sign {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--hx-ink);
  transition: transform 0.2s ease-out, background 0.2s ease-out;
}

.page-faq .faq-item__sign::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--hx-orange);
}

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

.page-faq .faq-item__a {
  padding: 0 0 16px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: #3a373f;
}

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

.page-faq .faq-item__more {
  margin-top: 10px;
}

.page-faq .faq-item__more a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px dashed currentColor;
  font-family: var(--font-mono);
  font-size: 0.77rem;
  letter-spacing: 0.02em;
  color: var(--hx-indigo);
  text-decoration: none;
  transition: color 0.2s ease-out, border-color 0.2s ease-out;
}

.page-faq .faq-item__more a::after {
  content: "\2192";
}

.page-faq .faq-item__more a:hover,
.page-faq .faq-item__more a:focus-visible {
  color: var(--hx-orange);
  border-bottom-style: solid;
}

/* ---------- 悬浮客服入口 ---------- */
.page-faq .faq-fab {
  position: fixed;
  right: 0;
  top: 58%;
  z-index: 30;
  padding: 12px 7px;
  border: var(--bd) solid var(--hx-ink);
  border-right: 0;
  border-radius: var(--radius) 0 0 var(--radius);
  background: var(--hx-red);
  color: var(--hx-white);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
  text-decoration: none;
  box-shadow: -5px 5px 0 0 rgba(18, 16, 20, 0.35);
  transition: background 0.2s ease-out, color 0.2s ease-out;
}

.page-faq .faq-fab:hover,
.page-faq .faq-fab:focus-visible {
  background: var(--hx-orange);
  color: var(--hx-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: var(--gap-l);
  }

  .page-faq .faq-group {
    padding: 26px 28px;
  }

  .page-faq .faq-item__a {
    margin-left: 62px;
    padding-left: 16px;
    border-left: 2px solid rgba(255, 90, 31, 0.28);
  }

  .page-faq .faq-item__more a {
    font-size: 0.78rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-split {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: var(--gap-l);
  }

  .page-faq .faq-rail__sticky,
  .page-faq .faq-rail__panel {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-rail__nav {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1fr 0.88fr;
  }
}

@media (max-width: 699px) {
  .page-faq .faq-group {
    box-shadow: 5px 5px 0 0 rgba(10, 8, 12, 0.85);
  }

  .page-faq .faq-rail__panel {
    box-shadow: 5px 5px 0 0 var(--hx-orange);
  }

  .page-faq .faq-fab {
    top: auto;
    bottom: 96px;
    font-size: 0.68rem;
    padding: 10px 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chips a,
  .page-faq .faq-rail__nav a,
  .page-faq .faq-item__q,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-item__more a,
  .page-faq .faq-fab {
    transition: none;
  }
}