.page-faq {
  --faq-side: 268px;
  --faq-radius: 3px;
  background: var(--hth-bg);
  color: var(--hth-ink);
  padding-bottom: 72px;
}

.page-faq * {
  box-sizing: border-box;
}

.page-faq .faq-crumb {
  padding-top: 20px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 12px 0 48px;
  background-image:
    linear-gradient(to right, rgba(30, 74, 60, 0.45) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 74, 60, 0.45) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: center top;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero__eyebrow {
  display: inline-block;
  margin: 0 0 20px;
  padding: 6px 13px;
  border: 1px solid var(--hth-line);
  border-radius: var(--hth-radius-pill);
  background: rgba(11, 43, 34, 0.72);
  font-family: var(--hth-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hth-accent);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--hth-font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--hth-white);
  overflow-wrap: break-word;
}

.page-faq .faq-hero__lede {
  max-width: 60ch;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--hth-muted);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
}

.page-faq .faq-tags a {
  padding: 9px 14px;
  border: 1px solid var(--hth-line);
  border-radius: var(--hth-radius-pill);
  background: rgba(11, 43, 34, 0.7);
  color: var(--hth-ink);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.page-faq .faq-tags a:hover,
.page-faq .faq-tags a:focus-visible {
  background: var(--hth-accent);
  border-color: var(--hth-accent);
  color: var(--hth-bg);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 14px 20px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--hth-line);
}

.page-faq .faq-stats div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-faq .faq-stats dd {
  order: 1;
  margin: 0;
  font-family: var(--hth-font-display);
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--hth-gold);
}

.page-faq .faq-stats dt {
  order: 2;
  font-family: var(--hth-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hth-muted);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--hth-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--hth-panel);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 正文骨架 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 44px;
}

.page-faq .faq-index {
  border-top: 1px solid var(--hth-line);
  padding-top: 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--hth-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hth-muted);
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  color: var(--hth-ink);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(85, 255, 184, 0.09);
  border-left-color: var(--hth-accent);
  color: var(--hth-accent);
}

.page-faq .faq-index__list a span {
  flex: 0 0 auto;
  font-family: var(--hth-font-mono);
  font-size: 11px;
  color: var(--hth-muted);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--hth-line);
  border-radius: var(--faq-radius);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--hth-muted);
}

/* ---------- 分区 ---------- */

.page-faq .faq-section {
  margin-bottom: 52px;
  scroll-margin-top: 100px;
}

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

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hth-line);
}

.page-faq .faq-section__no {
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 2px;
  background: var(--hth-accent);
  color: var(--hth-bg);
  font-family: var(--hth-font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--hth-font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--hth-white);
}

/* ---------- 问答手风琴 ---------- */

.page-faq .qa {
  margin-bottom: 10px;
  border: 1px solid var(--hth-line);
  border-radius: var(--faq-radius);
  background: rgba(11, 43, 34, 0.45);
  overflow: hidden;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.page-faq .qa[open] {
  background: var(--hth-panel);
  border-color: rgba(85, 255, 184, 0.45);
}

.page-faq .qa__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 15px 46px 15px 15px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--hth-white);
  transition: color 120ms ease;
}

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

.page-faq .qa__q:hover {
  color: var(--hth-accent);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--hth-focus);
  outline-offset: -3px;
}

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  top: 13px;
  right: 16px;
  font-family: var(--hth-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--hth-accent);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
}

.page-faq .qa__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--hth-font-mono);
  font-size: 11px;
  color: var(--hth-muted);
}

.page-faq .qa__a {
  margin: 0 15px;
  padding: 14px 0 16px;
  border-top: 1px dashed rgba(30, 74, 60, 0.95);
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--hth-muted);
  overflow-wrap: break-word;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

.page-faq .qa__a a {
  color: var(--hth-accent);
  text-underline-offset: 3px;
}

.page-faq .faq-num {
  font-family: var(--hth-font-mono);
  font-weight: 700;
  font-size: 1.06em;
  color: var(--hth-gold);
  white-space: nowrap;
}

/* ---------- 费用周期信息图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 20px;
  border: 1px solid var(--hth-line);
  border-radius: var(--faq-radius);
  background: var(--hth-panel);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--hth-line);
  font-family: var(--hth-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--hth-muted);
}

/* ---------- 客服面板 ---------- */

.page-faq .faq-contact {
  padding: 20px;
  border: 1px solid rgba(183, 122, 21, 0.55);
  border-radius: var(--faq-radius);
  background: linear-gradient(180deg, rgba(183, 122, 21, 0.14), rgba(11, 43, 34, 0.65));
}

.page-faq .faq-contact p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--hth-ink);
  overflow-wrap: break-word;
}

.page-faq .faq-contact .hth-mono {
  color: var(--hth-gold);
  font-weight: 700;
}

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

.page-faq .faq-contact__links a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--hth-gold-deep);
  border-radius: var(--hth-radius-pill);
  color: var(--hth-gold);
  font-size: 13.5px;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 120ms ease, color 120ms ease;
}

.page-faq .faq-contact__links a:hover,
.page-faq .faq-contact__links a:focus-visible {
  background: var(--hth-gold);
  color: var(--hth-bg);
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-faq .faq-hero {
    padding-top: 20px;
    padding-bottom: 56px;
  }
}

@media (max-width: 419px) {
  .page-faq .faq-index__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-faq .faq-hero {
    padding-top: 28px;
    padding-bottom: 64px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: 60px;
    padding-top: 56px;
  }

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

  .page-faq .faq-index__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-faq .qa__q {
    font-size: 16px;
    padding: 16px 50px 16px 18px;
  }

  .page-faq .qa__a {
    margin: 0 18px;
    padding: 16px 0 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-tags a,
  .page-faq .faq-index__list a,
  .page-faq .faq-contact__links a {
    transition: none;
  }
}
<<<END>>>