.page-faq {
  --faq-rail-w: 208px;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-block: clamp(0.9rem, 2.4vw, 1.4rem) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(1.2rem, 3vw, 2rem) clamp(2.4rem, 6vw, 4.4rem);
  background:
    radial-gradient(circle at 88% 6%, rgba(79, 227, 193, 0.18), transparent 52%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(27, 26, 23, 0.045) 79px 80px),
    var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-faq .faq-title {
  margin: 0.55rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-faq .faq-lede {
  margin-top: 1rem;
  max-width: 34em;
  color: rgba(27, 26, 23, 0.78);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
  margin: 1.8rem 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-fact {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.page-faq .faq-fact-num {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--ochre);
  letter-spacing: 0.02em;
}

.page-faq .faq-fact-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(27, 26, 23, 0.6);
}

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

.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-pine);
  border-radius: var(--r-l);
  background: var(--cold);
  box-shadow: var(--shadow);
}

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

.page-faq .faq-hero-media .media-caption {
  padding: 0.75rem 1rem 0.85rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--pine);
  background: var(--pine-soft);
  border-top: 1px solid var(--line-pine);
}

.page-faq .faq-quick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.page-faq .faq-quick-card {
  display: grid;
  gap: 0.25rem;
  padding: 0.75rem 0.6rem;
  text-decoration: none;
  background: var(--cold);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--r-s);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-quick-card:hover,
.page-faq .faq-quick-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--ochre);
  border-top-color: var(--ochre);
}

.page-faq .faq-quick-label {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pine);
}

.page-faq .faq-quick-note {
  font-size: 0.7rem;
  line-height: 1.45;
  color: rgba(27, 26, 23, 0.58);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-steps {
  background: linear-gradient(180deg, var(--pine-soft) 0%, rgba(227, 237, 231, 0.4) 100%);
  border-block: 1px solid var(--line-pine);
}

.page-faq .faq-steps-head {
  max-width: 44rem;
}

.page-faq .faq-steps-lede {
  margin-top: 0.7rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(27, 26, 23, 0.72);
}

.page-faq .faq-steps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
}

.page-faq .faq-steps-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-pine);
  border-radius: var(--r-m);
  background: var(--cold);
}

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

.page-faq .faq-steps-media .media-caption {
  padding: 0.65rem 0.9rem;
  font-size: 0.76rem;
  color: var(--pine);
  background: var(--cold);
  border-top: 1px solid var(--line-pine);
}

.page-faq .faq-steps-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem 1.05rem;
  background: var(--cold);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
}

.page-faq .faq-step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cold);
  background: var(--ochre);
  border-radius: 50%;
}

.page-faq .faq-step-body h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--pine);
}

.page-faq .faq-step-body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(27, 26, 23, 0.76);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-board-head {
  max-width: 44rem;
}

.page-faq .faq-board-lede {
  margin-top: 0.7rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(27, 26, 23, 0.7);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-filter .filter-btn {
  padding: 0.42rem 0.85rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--pine);
  background: transparent;
  border: 1px solid var(--line-pine);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-filter .filter-btn:hover {
  border-color: var(--ochre);
  color: var(--ochre);
}

.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  color: var(--cold);
  background: var(--pine);
  border-color: var(--pine);
}

.page-faq .faq-filter .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: rgba(27, 26, 23, 0.55);
}

.page-faq .faq-board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-faq .faq-rail {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail-tick {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex: 0 0 auto;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--pine);
  background: var(--cold);
  border: 1px solid var(--line-pine);
  border-radius: 999px;
  white-space: nowrap;
}

.page-faq .faq-rail-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gray);
}

.page-faq .faq-rail-tick[data-active="true"] {
  color: var(--cold);
  background: var(--pine);
  border-color: var(--pine);
}

.page-faq .faq-rail-tick[data-active="true"] .faq-rail-dot {
  background: var(--cyan);
}

.page-faq .faq-list {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

.page-faq .faq-item {
  background: var(--cold);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gray);
  border-radius: var(--r-m);
  overflow: hidden;
  transition: border-left-color 0.18s ease, box-shadow 0.18s ease;
}

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

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-q-head {
  margin: 0;
  font-size: 1rem;
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
  padding: 0.95rem 1rem;
  text-align: left;
  font-family: var(--font-head);
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.page-faq .faq-q-no {
  flex: 0 0 auto;
  padding-top: 0.12rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ochre);
}

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

.page-faq .faq-q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--pine);
}

.page-faq .faq-q[aria-expanded="true"] {
  color: var(--ochre-deep);
  background: rgba(227, 237, 231, 0.55);
}

.page-faq .faq-q[aria-expanded="true"]::after {
  content: "−";
  color: var(--ochre);
}

.page-faq .faq-a {
  padding: 0 1rem 1.05rem 1rem;
  border-top: 1px dashed var(--line);
  background: rgba(227, 237, 231, 0.32);
}

.page-faq .faq-a-inner {
  padding-top: 0.85rem;
}

.page-faq .faq-a p {
  margin: 0 0 0.6rem;
  font-size: 0.9rem;
  line-height: 1.82;
  color: rgba(27, 26, 23, 0.78);
}

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

.page-faq .faq-a a {
  color: var(--ochre);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.page-faq .faq-a-list {
  margin: 0 0 0.7rem;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.35rem;
}

.page-faq .faq-a-list li {
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(27, 26, 23, 0.78);
}

.page-faq .faq-a-list li::marker {
  color: var(--pine);
  font-family: var(--font-mono);
}

.page-faq .faq-a-note {
  font-size: 0.8rem !important;
  line-height: 1.7;
  padding-left: 0.7rem;
  border-left: 2px solid var(--gold);
  color: rgba(27, 26, 23, 0.6) !important;
}

/* ---------- 兜底联系 ---------- */
.page-faq .faq-help {
  padding-block: clamp(2.4rem, 7vw, 4.4rem);
  background:
    radial-gradient(circle at 12% 0%, rgba(79, 227, 193, 0.16), transparent 55%),
    var(--pine);
  color: var(--pine-soft);
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-faq .faq-help-eyebrow {
  color: var(--cyan) !important;
}

.page-faq .faq-help-title {
  margin: 0.4rem 0 0;
  color: var(--cold);
  letter-spacing: 0.05em;
}

.page-faq .faq-help-lede {
  margin-top: 0.8rem;
  max-width: 30em;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(227, 237, 231, 0.8);
}

.page-faq .faq-contact {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
  border-top: 1px solid var(--line-dark);
  padding-top: 1.2rem;
}

.page-faq .faq-contact .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.9rem;
}

.page-faq .faq-contact .contact-label {
  flex: 0 0 auto;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: rgba(227, 237, 231, 0.6);
}

.page-faq .faq-contact .contact-value {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--cold);
  word-break: break-word;
}

.page-faq .faq-contact .copy-btn {
  flex: 0 0 auto;
  padding: 0.28rem 0.65rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  background: transparent;
  border: 1px solid rgba(232, 180, 90, 0.6);
  border-radius: 999px;
  cursor: pointer;
}

.page-faq .faq-contact .copy-btn:hover {
  background: rgba(232, 180, 90, 0.14);
}

.page-faq .faq-help-side {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.page-faq .faq-help-block {
  padding: 1.05rem 1.1rem;
  background: rgba(251, 253, 251, 0.06);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-m);
}

.page-faq .faq-help-block--last {
  border-left: 3px solid var(--gold);
}

.page-faq .faq-help-block h3 {
  margin: 0 0 0.5rem;
  font-size: 0.94rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-help-block p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(227, 237, 231, 0.82);
}

.page-faq .faq-help-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.3rem;
}

.page-faq .faq-help-list li {
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(227, 237, 231, 0.82);
}

.page-faq .faq-help-list li::marker {
  color: var(--gold);
}

.page-faq .faq-help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-faq .faq-help-links a {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--gold);
  border: 1px solid rgba(232, 180, 90, 0.55);
  border-radius: 999px;
}

.page-faq .faq-help-links a:hover {
  background: rgba(232, 180, 90, 0.16);
  color: var(--cold);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-faq .faq-steps-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-steps-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-board-grid {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(1.6rem, 3vw, 2.6rem);
  }

  .page-faq .faq-rail {
    display: grid;
    gap: 0.15rem;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 1.2rem;
    align-content: start;
    border-left: 1px solid var(--line-pine);
  }

  .page-faq .faq-rail-tick {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 0.55rem 0.6rem 0.55rem 0.9rem;
    margin-left: -1px;
    border-left: 2px solid transparent;
    white-space: normal;
  }

  .page-faq .faq-rail-tick:hover {
    border-left-color: var(--gold);
    color: var(--ochre);
  }

  .page-faq .faq-rail-tick[data-active="true"] {
    background: transparent;
    color: var(--ochre);
    border-left-color: var(--ochre);
  }

  .page-faq .faq-rail-tick[data-active="true"] .faq-rail-dot {
    background: var(--ochre);
  }

  .page-faq .faq-q {
    padding: 1.05rem 1.2rem;
    font-size: 1rem;
  }

  .page-faq .faq-a {
    padding: 0 1.2rem 1.15rem 1.2rem;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick-card,
  .page-faq .faq-item,
  .page-faq .faq-filter .filter-btn {
    transition: none;
  }

  .page-faq .faq-quick-card:hover,
  .page-faq .faq-quick-card:focus-visible {
    transform: none;
  }
}