.page-faq {
  --faq-rail: 232px;
  --faq-radius: 14px;
  background: var(--ink);
  color: var(--ivory);
}

.page-faq [id] {
  scroll-margin-top: 92px;
}

.page-faq a {
  color: var(--gold-lit);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(18px, 3vw, 30px) clamp(34px, 5vw, 60px);
  background:
    radial-gradient(130% 100% at 88% 0%, rgba(20, 86, 63, 0.55), transparent 62%),
    linear-gradient(180deg, var(--felt-deep), var(--ink) 82%);
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-hero .crumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

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

.page-faq .faq-hero__text .eyebrow {
  color: var(--gold);
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  max-width: 52ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--sage);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__chips li {
  padding: 7px 13px;
  border: 1px solid var(--hairline-soft);
  border-radius: 999px;
  background: var(--glass);
  font-size: 13px;
  color: var(--sage);
  white-space: nowrap;
}

.page-faq .faq-hero__chips .mono {
  color: var(--gold-lit);
  font-size: 14px;
  margin-right: 2px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--felt-deep);
  box-shadow: var(--shadow-plate);
}

.page-faq .faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.9) contrast(1.05);
}

.page-faq .faq-hero__media figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 6px 12px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: rgba(10, 13, 11, 0.82);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold-lit);
}

/* ---------- 帮助台主体 ---------- */
.page-faq .faq-desk {
  padding-block: clamp(34px, 5vw, 72px) clamp(48px, 7vw, 96px);
  background: linear-gradient(180deg, var(--ink), var(--felt-deep) 140%);
}

.page-faq .faq-desk__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

/* 左侧索引 */
.page-faq .faq-index {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--faq-radius);
  background: var(--glass);
  backdrop-filter: blur(6px);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
  counter-reset: railidx;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ivory);
  text-decoration: none;
  transition: border-color 160ms var(--ease), background 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--gold);
  background: rgba(212, 175, 55, 0.08);
  transform: translateX(2px);
}

.page-faq .faq-index__count {
  font-size: 12px;
  color: var(--gold);
  border: 1px solid var(--hairline-soft);
  border-radius: 999px;
  padding: 1px 7px;
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hairline-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .faq-index__top {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 2px;
}

.page-faq .faq-index__top:hover {
  border-bottom-color: var(--gold-lit);
}

/* 右侧问答区 */
.page-faq .faq-body {
  min-width: 0;
  display: grid;
  gap: clamp(36px, 5vw, 64px);
}

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

.page-faq .faq-sec__head {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline-soft);
}

.page-faq .faq-sec__label {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-sec__head h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.25;
  color: var(--ivory);
}

.page-faq .faq-sec__intro {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage);
}

/* 三步排查卡 */
.page-faq .triage {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .triage__card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--hairline-soft);
  border-radius: var(--faq-radius);
  background: linear-gradient(165deg, rgba(20, 86, 63, 0.42), rgba(10, 13, 11, 0.9));
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .triage__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: var(--gold);
}

.page-faq .triage__card--felt::before {
  background: var(--gold-lit);
}

.page-faq .triage__card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .triage__tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--gold-lit);
}

.page-faq .triage__card h3 {
  margin: 0 0 12px;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ivory);
}

.page-faq .mini-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .mini-steps li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

.page-faq .mini-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

/* 手风琴 */
.page-faq .faq-item {
  border: 1px solid var(--hairline-soft);
  border-left: 3px solid var(--hairline);
  border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
  background: var(--glass);
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

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

.page-faq .faq-item[open] {
  border-left-color: var(--gold);
  background: rgba(244, 238, 223, 0.05);
  border-color: var(--hairline);
}

.page-faq .faq-item:hover {
  border-left-color: var(--gold-lit);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__no {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-faq .faq-item__q {
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ivory);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

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

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

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

.page-faq .faq-item__body {
  padding: 2px 16px 18px 42px;
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ivory);
}

.page-faq .faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  width: 26px;
  height: 26px;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-top: 2px;
}

.page-faq .faq-steps a {
  color: var(--gold-lit);
  text-decoration: underline;
  text-decoration-color: var(--hairline);
  text-underline-offset: 3px;
}

.page-faq .faq-steps a:hover {
  text-decoration-color: var(--gold-lit);
}

.page-faq .faq-tip {
  margin: 14px 0 0;
  padding: 11px 14px;
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  background: var(--glass);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sage);
}

/* 中段图 */
.page-faq .faq-mid {
  margin: 0;
  border: 1px solid var(--hairline-soft);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--felt-deep);
}

.page-faq .faq-mid .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  filter: saturate(0.92);
}

.page-faq .faq-mid figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--hairline-soft);
  font-size: 13px;
  color: var(--sage);
  background: rgba(10, 13, 11, 0.7);
}

/* 联系区 */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-contact__card {
  padding: 18px;
  border: 1px solid var(--hairline-soft);
  border-radius: var(--faq-radius);
  background: var(--glass);
}

.page-faq .faq-contact__card--felt {
  background: linear-gradient(160deg, rgba(20, 86, 63, 0.5), rgba(10, 13, 11, 0.9));
  border-color: var(--hairline);
}

.page-faq .faq-contact__type {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-contact__lead {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ivory);
}

.page-faq .faq-contact__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .faq-contact .copy-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: rgba(10, 13, 11, 0.6);
  color: var(--ivory);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-contact .copy-chip:hover {
  border-color: var(--gold-lit);
  transform: translateY(-1px);
}

.page-faq .faq-contact .copy-chip__value {
  font-size: 14px;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact .copy-chip__hint {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--gold);
  border: 1px solid var(--hairline-soft);
  border-radius: 999px;
  padding: 2px 9px;
}

.page-faq .faq-contact .copy-chip.is-copied .copy-chip__hint {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-contact__more {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--sage);
}

.page-faq .faq-contact__more a {
  color: var(--gold-lit);
  text-decoration: underline;
  text-decoration-color: var(--hairline);
  text-underline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-faq .triage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact__card--felt {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-desk__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-hero__media .media__img {
    aspect-ratio: 4 / 3;
  }

  .page-faq .faq-item__body {
    padding-left: 54px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__card--felt {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .triage__card,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-contact .copy-chip {
    transition: none;
  }
}