.page-faq {
  --faq-pad-x: clamp(18px, 4vw, 44px);
  --faq-block: clamp(42px, 6.4vw, 88px);
  --faq-hair: 1px solid var(--line);
  display: block;
  background: var(--night);
  color: var(--ink);
  font-family: var(--font-body);
}

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

.page-faq .breadcrumb,
.page-faq .faq-hero,
.page-faq .faq-overview,
.page-faq .qa-group,
.page-faq .faq-contact {
  padding-inline: var(--faq-pad-x);
}

.page-faq .breadcrumb,
.page-faq .faq-hero__inner,
.page-faq .faq-overview__inner,
.page-faq .qa-group__inner,
.page-faq .faq-contact__inner {
  max-width: var(--wrap);
  margin-inline: auto;
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 62px) clamp(24px, 4vw, 46px);
  border-bottom: var(--faq-hair);
  background:
    radial-gradient(72% 108% at 94% 4%, rgba(0, 229, 255, 0.17), transparent 62%),
    radial-gradient(58% 92% at 4% 96%, rgba(255, 138, 42, 0.12), transparent 66%),
    linear-gradient(152deg, var(--deep) 0%, var(--night) 68%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -28%;
  width: 62%;
  height: 122%;
  border-left: 1px solid rgba(0, 229, 255, 0.22);
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.07), transparent 70%);
  transform: rotate(15deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--step-hero);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: var(--faq-hair);
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(12, 18, 38, 0.86);
}

.page-faq .faq-fact__value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 27px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-faq .faq-fact:nth-child(2) .faq-fact__value {
  color: var(--orange);
}

.page-faq .faq-fact:nth-child(3) .faq-fact__value {
  color: var(--mint);
}

.page-faq .faq-fact:nth-child(4) .faq-fact__value {
  color: var(--amber);
}

.page-faq .faq-fact__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: var(--faq-hair);
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px 9px 11px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(17, 26, 54, 0.7);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.1);
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-jump__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-jump__link--accent {
  border-color: rgba(255, 138, 42, 0.5);
}

.page-faq .faq-jump__link--accent .faq-jump__num {
  color: var(--orange);
}

.page-faq .faq-jump__link--accent:hover,
.page-faq .faq-jump__link--accent:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 138, 42, 0.14);
  color: var(--orange);
}

/* ---------- 总览 ---------- */
.page-faq .faq-overview {
  padding-block: var(--faq-block);
  border-bottom: var(--faq-hair);
}

.page-faq .faq-overview__head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-overview__head .lede {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 16px;
}

.page-faq .faq-overview__body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: var(--faq-hair);
}

.page-faq .faq-map__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: var(--deep);
  color: var(--ink);
  text-decoration: none;
  box-shadow: inset 3px 0 0 transparent;
  transition: background 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-map__cell:hover,
.page-faq .faq-map__cell:focus-visible {
  background: var(--track);
  box-shadow: inset 3px 0 0 var(--cyan);
  outline: none;
}

.page-faq .faq-map__num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-map__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-faq .faq-map__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-shot {
  margin: 0;
  border: var(--faq-hair);
  background: var(--deep);
  padding: 10px;
}

.page-faq .faq-shot .media__caption,
.page-faq .faq-commute .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-shot .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 4;
  filter: saturate(0.92) contrast(1.04);
}

.page-faq .faq-keywords {
  margin-top: clamp(26px, 3.6vw, 42px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: var(--faq-hair);
}

.page-faq .faq-keywords__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-faq .faq-keywords__list .tag {
  text-decoration: none;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-keywords__list .tag:hover,
.page-faq .faq-keywords__list .tag:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 问答分组 ---------- */
.page-faq .qa-group {
  padding-block: var(--faq-block);
  border-bottom: var(--faq-hair);
}

.page-faq .qa-group--alt {
  background: var(--deep);
}

.page-faq .qa-group__inner {
  display: grid;
  gap: clamp(20px, 3vw, 44px);
}

.page-faq .qa-group__head {
  max-width: 62ch;
}

.page-faq .qa-group__idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .qa-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--step-h2);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-faq .qa-group__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .qa-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.page-faq .qa-inline-link:hover,
.page-faq .qa-inline-link:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-faq .qa-list {
  border-top: var(--faq-hair);
}

.page-faq .qa-list .accordion__item {
  border-bottom: var(--faq-hair);
}

.page-faq .qa-list .accordion__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .qa-list .accordion__btn {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 17px 4px 17px 0;
  background: none;
  border: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-faq .qa-list .accordion__btn:hover {
  color: var(--cyan);
}

.page-faq .qa-list .accordion__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .qa-list .accordion__item[data-open] .accordion__btn {
  color: var(--cyan);
}

.page-faq .qa-num {
  flex: 0 0 auto;
  min-width: 46px;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .accordion__item[data-open] .qa-num {
  color: var(--orange);
}

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

.page-faq .qa-list .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 5px;
}

.page-faq .qa-list .accordion__icon::before,
.page-faq .qa-list .accordion__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
  background: var(--cyan);
  transition: transform 0.26s var(--ease), opacity 0.26s var(--ease);
}

.page-faq .qa-list .accordion__icon::after {
  transform: rotate(90deg);
}

.page-faq .qa-list .accordion__item[data-open] .accordion__icon::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .qa-list .accordion__panel {
  display: none;
  padding: 0 4px 20px 0;
}

.page-faq .qa-list .accordion__item[data-open] > .accordion__panel {
  display: block;
}

.page-faq .acc-item-open > .accordion__panel,
.page-faq .accordion__item[data-open] > .accordion__panel {
  display: block;
}

.page-faq .qa-a {
  max-width: 70ch;
  margin-left: 58px;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  animation: faqFade 0.3s var(--ease) both;
}

@keyframes faqFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .qa-a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .qa-a a,
.page-faq .qa-mail {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.5);
  word-break: break-all;
}

.page-faq .qa-a a:hover,
.page-faq .qa-mail:hover {
  border-bottom-style: solid;
}

.page-faq .faq-commute {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  border: var(--faq-hair);
  background: var(--night);
  padding: 10px;
}

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

/* ---------- 人工协助 ---------- */
.page-faq .faq-contact {
  padding-block: var(--faq-block);
  background: linear-gradient(180deg, var(--night) 0%, var(--deep) 100%);
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-faq .faq-contact__lead {
  max-width: 60ch;
}

.page-faq .faq-contact__lead .lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--faq-hair);
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  background: rgba(7, 11, 26, 0.92);
}

.page-faq .faq-contact__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .faq-contact__value {
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact__hint {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact__legal {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-contact__item {
    grid-template-columns: 78px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .faq-contact__label {
    grid-row: span 2;
  }

  .page-faq .faq-contact__value,
  .page-faq .faq-contact__hint {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(280px, 0.68fr);
    align-items: end;
  }

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

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .qa-group__inner {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .qa-group__head {
    position: sticky;
    top: 36px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-overview__body {
    grid-template-columns: minmax(0, 1.58fr) minmax(240px, 0.42fr);
    align-items: start;
  }
}

@media (max-width: 639px) {
  .page-faq .qa-a {
    margin-left: 0;
    padding-left: 14px;
  }

  .page-faq .qa-num {
    min-width: 40px;
    font-size: 11px;
  }

  .page-faq .qa-list .accordion__btn {
    font-size: 15px;
    gap: 10px;
  }

  .page-faq .qa-inline-link,
  .page-faq .qa-mail {
    word-break: break-all;
  }

  .page-faq .faq-hero::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-a {
    animation: none;
  }

  .page-faq .faq-jump__link,
  .page-faq .faq-map__cell,
  .page-faq .qa-list .accordion__icon::before,
  .page-faq .qa-list .accordion__icon::after {
    transition: none;
  }
}