.page-faq {
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: 72px;
}

.page-faq p a,
.page-faq li a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(94, 200, 255, 0.35);
}

.page-faq p a:hover,
.page-faq p a:focus-visible,
.page-faq li a:hover,
.page-faq li a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.page-faq .breadcrumbs {
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted);
}

.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-faq .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  color: var(--green);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 28px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
}

.page-faq .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 58px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--white);
  max-width: 18ch;
}

.page-faq .faq-hero__lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-faq .faq-jump a {
  display: inline-block;
  padding: 8px 12px;
  border: 2px solid var(--line);
  background: var(--ink-1);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-bottom-width: 2px;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--green);
  color: var(--green);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-sm);
}

/* ---------- 通用媒体框 ---------- */
.page-faq .media {
  position: relative;
  margin: 0;
  border: 2px solid var(--line);
  background: var(--ink-1);
  overflow: hidden;
}

.page-faq .media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grid-lines);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.78) brightness(0.85);
}

.page-faq .faq-hero__media {
  aspect-ratio: 2 / 1;
}

.page-faq .faq-hero__media .media__img {
  height: 100%;
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  padding-top: 64px;
}

.page-faq .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--line);
}

.page-faq .section-head__num {
  font-family: var(--font-display);
  font-size: clamp(34px, 8vw, 60px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--line);
}

.page-faq .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 28px);
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .faq-intro {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.page-faq .faq-intro p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-path {
  display: block;
  width: min(220px, 100%);
  height: 24px;
}

.page-faq .faq-block__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 时段轴 ---------- */
.page-faq .axis {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
  padding-bottom: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  border-bottom: 2px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .axis__btn {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 104px;
  padding: 12px 14px;
  background: var(--ink-1);
  border: 2px solid var(--line);
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  scroll-snap-align: start;
}

.page-faq .axis__clock {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-faq .axis__name {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-faq .axis__btn:hover {
  border-color: var(--cyan);
}

.page-faq .axis__btn[aria-pressed="true"] {
  background: var(--green-deep);
  border-color: var(--green);
  color: var(--green);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .axis__btn[aria-pressed="true"] .axis__clock {
  color: var(--green);
}

/* ---------- 时段路径卡 ---------- */
.page-faq .slot-grid {
  display: grid;
  gap: 16px;
}

.page-faq .slot-card {
  padding: 18px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .slot-card:hover {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .slot-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .slot-card__clock {
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-faq .slot-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-faq .slot-card__fit {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .slot-card__fit strong {
  color: var(--white);
  font-weight: 600;
}

.page-faq .slot-steps {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-faq .slot-steps li {
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  counter-increment: step;
}

.page-faq .slot-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 1px 4px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

/* ---------- 问题筛选 ---------- */
.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-faq .faq-filters__btn {
  padding: 9px 14px;
  background: var(--ink-1);
  border: 2px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.page-faq .faq-filters__btn:hover {
  border-color: var(--cyan);
  color: var(--white);
}

.page-faq .faq-filters__btn[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink-0);
}

/* ---------- 问答组 ---------- */
.page-faq .qa-group {
  margin-bottom: 36px;
}

.page-faq .qa-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--white);
}

.page-faq .qa-group__title::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  background: var(--green);
}

.page-faq .qa-group__body {
  display: grid;
  gap: 20px;
}

.page-faq .qa-group__list {
  display: grid;
  gap: 8px;
}

.page-faq .qa-item {
  background: var(--ink-1);
  border: 2px solid var(--line);
  border-left: 2px solid var(--line);
}

.page-faq .qa-item[open] {
  background: var(--ink-2);
  border-left-color: var(--green);
}

.page-faq .qa-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

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

.page-faq .qa-item__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--green);
}

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

.page-faq .qa-item__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .qa-item[open] .qa-item__num {
  color: var(--green);
}

.page-faq .qa-item__text {
  flex: 1 1 auto;
}

.page-faq .qa-item__a {
  margin: 0 16px 16px 16px;
  padding-left: 14px;
  border-left: 2px solid var(--green);
  animation: faqAnswerIn 0.22s ease-out both;
}

.page-faq .qa-item__a p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-faq .qa-item__a ol {
  margin: 8px 0 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .qa-item__a li + li {
  margin-top: 4px;
}

.page-faq .qa-group__media {
  aspect-ratio: 4 / 5;
}

.page-faq .qa-group__media .media__img {
  height: 100%;
}

@keyframes faqAnswerIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 联系区 ---------- */
.page-faq .support {
  padding: 20px;
  background: var(--ink-1);
  border: 2px solid var(--line);
  border-left: 6px solid var(--green);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .support__lead {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .support__list {
  display: grid;
  gap: 0;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .support__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-faq .support__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .support__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-faq .support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 36px;
  }

  .page-faq .slot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .support__row {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-faq {
    padding-bottom: 104px;
  }

  .page-faq .faq-block {
    padding-top: 96px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 56px;
  }

  .page-faq .faq-intro {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: center;
    gap: 32px;
  }

  .page-faq .qa-group__body {
    gap: 28px;
  }

  .page-faq .qa-group--split .qa-group__body {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }

  .page-faq .qa-group__media {
    position: sticky;
    top: 24px;
  }

  .page-faq .support {
    padding: 28px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}