/* ===== 帮助中心（FAQ）页面专属样式 ===== */
.page-faq {
  --faq-line: rgba(143, 163, 184, 0.36);
  --faq-line-strong: rgba(47, 243, 201, 0.65);
  --faq-panel: rgba(18, 58, 46, 0.55);
  --faq-panel-open: rgba(18, 58, 46, 0.92);
  --faq-radius: 3px;
  padding-bottom: 2rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 1.5rem;
}

.page-faq .breadcrumbs {
  margin-bottom: 1.25rem;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-hero__copy {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-faq .faq-hero__copy .label {
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 7.2vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
  max-width: 20em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0.4rem 0 0;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-stat {
  display: grid;
  gap: 0.25rem;
  margin: 0;
}

.page-faq .faq-stat dt {
  color: var(--slate);
}

.page-faq .faq-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(47, 243, 201, 0.4);
}

.page-faq .faq-stat .faq-stat__text {
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--text);
  text-shadow: none;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 3px solid var(--cyan);
  box-shadow: var(--shadow);
  background: var(--void);
  overflow: hidden;
}

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

/* ---------- 四类归档 ---------- */
.page-faq .faq-cats {
  padding-top: 0.5rem;
}

.page-faq .faq-cats__title {
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 4.2vw, 1.5rem);
  font-weight: 800;
  margin: 0 0 1rem;
  color: var(--text);
}

.page-faq .faq-cats__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.85rem;
  row-gap: 0.2rem;
  padding: 0.9rem 1rem;
  background: var(--turf);
  border: 2px solid var(--faq-line);
  border-radius: var(--faq-radius);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-color: var(--cyan);
  background: var(--ink);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-cat__num {
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-cat__name {
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-faq .faq-cat__meta {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 主体：地图 + 问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 1.9rem;
}

.page-faq .faq-map {
  background: var(--void);
  border: 3px solid var(--slate);
  border-radius: var(--faq-radius);
  padding: 1.05rem 1.05rem 1.15rem;
  box-shadow: var(--shadow);
}

.page-faq .faq-map__head {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 0.85rem;
}

.page-faq .faq-map__head .label {
  color: var(--orange);
}

.page-faq .faq-map__title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0;
  color: var(--text);
}

.page-faq .faq-map__canvas {
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  padding: 0.5rem;
  background: #041712;
}

.page-faq .faq-map__canvas svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-map__hint {
  margin: 0.85rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 问答组 */
.page-faq .faq-groups {
  display: grid;
  gap: 2.4rem;
}

.page-faq .faq-group {
  scroll-margin-top: 5rem;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--cyan);
  margin-bottom: 0.7rem;
}

.page-faq .faq-group__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex: 0 0 auto;
  align-self: center;
}

.page-faq .faq-group__dot--cyan { background: var(--cyan); }
.page-faq .faq-group__dot--orange { background: var(--orange); }
.page-faq .faq-group__dot--amber { background: var(--amber); }
.page-faq .faq-group__dot--mist { background: var(--mist); }

.page-faq .faq-group__head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 4.4vw, 1.5rem);
  font-weight: 800;
  margin: 0;
  color: var(--text);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-faq .faq-group__lead {
  margin: 0 0 1.05rem;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 40em;
}

/* 单条问答 */
.page-faq .faq-item {
  display: block;
  background: var(--faq-panel);
  border: 2px solid var(--faq-line);
  border-radius: var(--faq-radius);
  margin-bottom: 0.6rem;
  transition: border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--faq-line-strong);
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  background: var(--faq-panel-open);
  box-shadow: 6px 6px 0 rgba(4, 20, 14, 0.55);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  font-family: var(--font-head);
  font-size: 0.97rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

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

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

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--cyan);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 2px solid var(--cyan);
  border-radius: 2px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-faq .faq-item__mark::before {
  left: 3px;
  right: 3px;
  top: 6px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 3px;
  bottom: 3px;
  left: 6px;
  width: 2px;
  transition: opacity 0.2s ease;
}

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

.page-faq .faq-item__body {
  padding: 0 1rem 1.05rem 1rem;
  color: var(--text-dim);
  font-size: 0.94rem;
  line-height: 1.8;
  animation: faqFade 0.28s ease both;
}

.page-faq .faq-item__body p {
  margin: 0 0 0.6rem;
}

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

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__body { animation: none; }
  .page-faq .faq-cat { transition: none; }
}

/* 操作步骤 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 2.15rem;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--text);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 0.16em;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--void);
  background: var(--cyan);
  border-radius: 2px;
}

/* ---------- 联系收尾 ---------- */
.page-faq .faq-contact {
  margin-top: 0.5rem;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 1.6rem;
  align-items: start;
}

.page-faq .faq-contact__copy {
  display: grid;
  gap: 0.9rem;
  align-content: start;
  color: var(--coal);
}

.page-faq .faq-contact__copy .label {
  color: var(--orange);
}

.page-faq .faq-contact__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 5.4vw, 2.1rem);
  line-height: 1.2;
  margin: 0;
  color: var(--coal);
}

.page-faq .faq-contact__copy p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: #3A302A;
  max-width: 36em;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-contact__list li {
  display: grid;
  gap: 0.15rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--orange);
}

.page-faq .faq-contact__list .label {
  color: #7A6A5C;
}

.page-faq .faq-contact__value {
  font-size: 0.98rem;
  color: var(--coal);
  word-break: break-word;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.2rem;
}

.page-faq .faq-contact__figure {
  margin: 0;
  border: 3px solid var(--coal);
  box-shadow: 8px 8px 0 rgba(28, 21, 18, 0.35);
  background: var(--void);
  overflow: hidden;
}

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

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

  .page-faq .faq-hero__stats {
    gap: 1.2rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 2.4rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2.6rem;
    align-items: center;
  }

  .page-faq .faq-hero__figure {
    transform: translateY(-6px);
  }

  .page-faq .faq-cats__row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 2.4rem;
    align-items: start;
  }

  .page-faq .faq-map {
    position: sticky;
    top: 2rem;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 2.6rem;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero h1 {
    font-size: 3.35rem;
  }

  .page-faq .faq-hero__lead {
    font-size: 1.1rem;
  }
}