.page-faq {
  --faq-gap: clamp(18px, 4vw, 36px);
  --faq-sticky-top: clamp(88px, 12vh, 128px);
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--c-paper);
  line-height: 1.75;
  overflow-x: clip;
}

.page-faq .breadcrumb {
  padding-block: 14px;
  background: var(--c-mist);
  border-bottom: var(--bd) solid var(--c-line);
}

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin: 0 0 14px;
}

.page-faq .eyebrow::before {
  content: "";
  width: 22px;
  height: 3px;
  background: var(--c-orange);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background: var(--c-mist);
  border-bottom: var(--bd) solid var(--c-line);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: clamp(28px, 5vw, 56px);
}

.page-faq .faq-hero__copy {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--c-navy);
  margin: 0 0 18px;
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 42em;
  margin: 0 0 22px;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-faq .faq-hero__media {
  margin: 0;
  min-width: 0;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 48px;
  }
  .page-faq .faq-hero__media {
    transform: rotate(-1.2deg);
  }
}

/* ---------- 覆盖对照 ---------- */
.page-faq .faq-coverage {
  padding-block: clamp(30px, 5vw, 60px);
  background: var(--c-paper);
}

.page-faq .faq-coverage__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: 0;
}

.page-faq .faq-coverage__intro h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--c-navy);
  margin: 0 0 14px;
}

.page-faq .faq-coverage__intro p {
  margin: 0 0 12px;
  color: var(--ink-soft);
  max-width: 34em;
}

.page-faq .faq-coverage__intro a {
  color: var(--c-blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-coverage__legend {
  font-size: 14.5px;
  padding: 14px 16px;
  background: var(--c-orange-soft);
  border-left: 3px solid var(--c-orange);
  color: var(--c-navy);
  line-height: 1.7;
}

.page-faq .faq-tiers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-tier {
  background: var(--c-paper);
  border: var(--bd) solid var(--c-blue);
  box-shadow: var(--shadow-line);
  padding: 16px 18px 18px;
  display: grid;
  gap: 8px;
  align-content: start;
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-faq .faq-tier:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-tier__no {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-orange);
}

.page-faq .faq-tier h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  margin: 0;
  color: var(--c-navy);
}

.page-faq .faq-tier p {
  margin: 4px 0 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--ink-soft);
}

@media (min-width: 620px) {
  .page-faq .faq-tiers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-coverage__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 预约步骤 ---------- */
.page-faq .faq-steps {
  background: var(--c-navy);
  color: var(--ink-invert);
  padding-block: clamp(30px, 5vw, 58px);
}

.page-faq .faq-steps__inner {
  padding-block: 0;
}

.page-faq .faq-steps .eyebrow {
  color: var(--c-orange-soft);
}

.page-faq .faq-steps__head {
  margin-bottom: 22px;
}

.page-faq .faq-steps__head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  color: var(--c-paper);
  margin: 0;
  letter-spacing: 0.01em;
}

.page-faq .faq-steps__track {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-step {
  flex: 0 0 auto;
  width: 76%;
  min-width: 190px;
  padding: 16px 18px 18px;
  border-left: 2px solid rgba(232, 240, 247, 0.22);
  scroll-snap-align: start;
}

.page-faq .faq-step:first-child {
  border-left: 3px solid var(--c-orange);
}

.page-faq .faq-step__no {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-orange);
  font-weight: 700;
  margin-bottom: 8px;
}

.page-faq .faq-step h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--c-paper);
  margin: 0 0 6px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(232, 240, 247, 0.8);
}

@media (min-width: 760px) {
  .page-faq .faq-steps__track {
    overflow: visible;
  }
  .page-faq .faq-step {
    flex: 1 1 0;
    width: auto;
    min-width: 0;
  }
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding-block: clamp(30px, 5vw, 64px);
  background: var(--c-paper);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: 0;
}

.page-faq .faq-index {
  border: var(--bd) solid var(--c-blue);
  background: var(--c-mist);
  padding: 16px 16px 18px;
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-blue);
  margin: 0 0 12px;
  font-weight: 700;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list > li {
  min-width: 0;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-navy);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-faq .faq-index__link .mono {
  font-size: 12px;
  color: var(--c-orange);
  font-weight: 700;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--c-paper);
  border-left-color: var(--c-orange);
  color: var(--c-blue);
  outline: none;
}

.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-group {
  border-top: var(--bd-heavy) solid var(--c-blue);
  padding-top: 16px;
  margin-bottom: 30px;
  scroll-margin-top: var(--faq-sticky-top);
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-faq .faq-group__head .mono {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-orange);
}

.page-faq .faq-group h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 900;
  margin: 0;
  color: var(--c-navy);
  letter-spacing: 0.01em;
}

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

.page-faq .faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 15px 36px 15px 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-navy);
  transition: color var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--c-orange);
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--c-blue);
  outline: none;
}

.page-faq .faq-item__body {
  padding: 0 0 16px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

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

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

.page-faq .faq-item__body a {
  color: var(--c-blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 939px) {
  .page-faq .faq-index {
    border: none;
    background: none;
    padding: 0;
  }
  .page-faq .faq-index__title {
    display: none;
  }
  .page-faq .faq-index__list {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 0 10px;
    scrollbar-width: thin;
  }
  .page-faq .faq-index__list > li {
    flex: 0 0 auto;
  }
  .page-faq .faq-index__link {
    padding: 8px 14px;
    border: var(--bd) solid var(--c-line);
    background: var(--c-mist);
    font-size: 14px;
    white-space: nowrap;
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-color: var(--c-orange);
  }
}

@media (min-width: 940px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
  }
}

/* ---------- 联系我们 ---------- */
.page-faq .faq-contact {
  background: var(--c-forest);
  color: var(--ink-invert);
  padding-block: clamp(34px, 6vw, 72px);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-block: 0;
}

.page-faq .faq-contact .eyebrow {
  color: var(--c-orange-soft);
}

.page-faq .faq-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 900;
  color: var(--c-paper);
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}

.page-faq .faq-contact__main > p {
  margin: 0;
  color: rgba(232, 240, 247, 0.85);
  max-width: 34em;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--c-orange);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: rgba(232, 240, 247, 0.66);
}

.page-faq .faq-contact__value {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-paper);
  word-break: break-word;
  line-height: 1.5;
}

.page-faq .faq-contact__value a {
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 2px solid var(--c-orange);
  padding-bottom: 1px;
}

.page-faq .faq-contact__value a:hover,
.page-faq .faq-contact__value a:focus-visible {
  color: var(--c-orange-soft);
  outline: none;
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(232, 240, 247, 0.76);
  max-width: 36em;
}

.page-faq .faq-contact__action {
  margin: 20px 0 0;
}

.page-faq .faq-contact__side {
  min-width: 0;
  display: grid;
  gap: 20px;
  align-content: start;
}

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

.page-faq .faq-contact__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-contact__quick {
  background: rgba(255, 255, 255, 0.07);
  border: 2px solid rgba(232, 240, 247, 0.2);
  padding: 16px 18px 18px;
}

.page-faq .faq-contact__quick h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--c-paper);
  margin: 0 0 8px;
}

.page-faq .faq-contact__quick p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(232, 240, 247, 0.82);
}

.page-faq .faq-contact__quick-link {
  margin-bottom: 0;
  font-size: 13.5px;
  color: rgba(232, 240, 247, 0.7);
}

.page-faq .faq-contact__quick-link a {
  color: var(--c-orange-soft);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 900px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tier,
  .page-faq .faq-index__link,
  .page-faq .faq-item summary {
    transition: none;
  }
  .page-faq .faq-tier:hover {
    transform: none;
  }
  .page-faq .faq-hero__media {
    transform: none;
  }
}