.page-faq {
  --faq-rail-w: 300px;
  --faq-accent: var(--cyan);
  --faq-accent-soft: rgba(34, 227, 195, 0.12);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-head {
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.page-faq .faq-intro {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-intro__main h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 3.4vw, 3.1rem);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-faq .faq-intro__main .lede {
  margin: 0;
  max-width: 60ch;
}

.page-faq .faq-intro__figure {
  margin: 0;
}

.page-faq .faq-facts {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-faq .faq-facts__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline);
  background: var(--ink-800);
  min-width: 9.5rem;
}

.page-faq .faq-facts__k {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-facts__v {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(2rem, 4vw, 3.25rem);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.75rem, 3.5vw, 3rem);
}

.page-faq .faq-rail {
  align-self: start;
}

.page-faq .faq-rail__title {
  margin: 0.5rem 0 1.1rem;
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.35;
}

.page-faq .faq-rail__note {
  margin: 1.1rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-jump__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.15rem 0.7rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-jump__link:hover {
  border-color: var(--hairline-strong);
  background: var(--ink-700);
  transform: translateX(3px);
}

.page-faq .faq-jump__link.is-active {
  border-color: var(--cyan);
  background: var(--ink-700);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .faq-jump__no {
  grid-row: 1;
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding-top: 0.2rem;
}

.page-faq .faq-jump__txt {
  grid-row: 1;
  font-weight: 700;
  font-size: 0.98rem;
}

.page-faq .faq-jump__hint {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

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

.page-faq .faq-group--client { --faq-accent: var(--cyan); --faq-accent-soft: rgba(34, 227, 195, 0.12); }
.page-faq .faq-group--data { --faq-accent: var(--orange); --faq-accent-soft: rgba(255, 138, 61, 0.12); }
.page-faq .faq-group--export { --faq-accent: var(--indigo); --faq-accent-soft: rgba(107, 92, 231, 0.16); }
.page-faq .faq-group--account { --faq-accent: var(--gold); --faq-accent-soft: rgba(255, 209, 102, 0.13); }

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 0 0 0 1rem;
  border-left: 4px solid var(--faq-accent);
  margin-bottom: 1.2rem;
}

.page-faq .faq-group__no {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--faq-accent);
}

.page-faq .faq-group__title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.25rem, 1.9vw, 1.6rem);
  line-height: 1.3;
}

.page-faq .faq-group__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 68ch;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-item {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
  background: var(--ink-700);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.55;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q:hover { color: var(--cyan-soft); }

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--faq-accent);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__icon::before { width: 10px; height: 2px; }
.page-faq .faq-item__icon::after { width: 2px; height: 10px; transition: opacity var(--dur) var(--ease); }

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
  border-color: var(--faq-accent);
}

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

.page-faq .faq-item__body {
  padding: 0 1.1rem 1.15rem;
  border-top: 1px solid var(--faq-accent-soft, var(--hairline));
  margin-top: 0;
  padding-top: 0.9rem;
}

.page-faq .faq-item__cause {
  margin: 0 0 0.9rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--faq-accent-soft, var(--hairline-strong));
  font-family: var(--font-serif);
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-item__cause strong {
  color: var(--text);
  font-weight: 700;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr);
  gap: 0.6rem;
  font-size: 0.93rem;
  line-height: 1.72;
}

.page-faq .faq-steps__no {
  color: var(--faq-accent);
  font-size: 0.8rem;
  font-weight: 700;
  padding-top: 0.22rem;
}

/* ---------- 判断路径 ---------- */
.page-faq .faq-path__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-path__figure { margin: 0; }

.page-faq .faq-path__copy .section-title { margin: 0.5rem 0 1.4rem; }

.page-faq .faq-path__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-path__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline);
  background: var(--ink-800);
}

.page-faq .faq-path__step--warm {
  border-color: rgba(255, 138, 61, 0.42);
  background: rgba(255, 138, 61, 0.08);
}

.page-faq .faq-path__no {
  color: var(--cyan);
  font-size: 0.85rem;
  font-weight: 700;
  padding-top: 0.22rem;
}

.page-faq .faq-path__step--warm .faq-path__no { color: var(--orange); }

.page-faq .faq-path__title {
  margin: 0 0 0.2rem;
  font-weight: 700;
  font-size: 0.98rem;
}

.page-faq .faq-path__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-path__link {
  margin: 1.2rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-path__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
}

.page-faq .faq-path__link a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 联系面板 ---------- */
.page-faq .faq-contact__panel {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline-strong);
  background:
    radial-gradient(120% 130% at 8% 0%, rgba(34, 227, 195, 0.14), transparent 62%),
    var(--ink-800);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-contact__left .section-title { margin: 0.5rem 0 0.9rem; }

.page-faq .faq-contact__desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--muted);
  max-width: 56ch;
}

.page-faq .faq-contact__actions {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-faq .faq-contact__label {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 1.3rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  font-size: 0.92rem;
  line-height: 1.65;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--hairline);
}

.page-faq .faq-contact__dot {
  width: 7px;
  height: 7px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-contact__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-intro {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-faq .faq-path__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

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

@media (max-width: 719px) {
  .page-faq .faq-facts__item {
    min-width: 100%;
  }

  .page-faq .faq-item__q {
    font-size: 0.94rem;
    padding: 0.85rem 0.9rem;
  }

  .page-faq .faq-item__body {
    padding: 0.85rem 0.9rem 1rem;
  }

  .page-faq .faq-intro__main h1 {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-item,
  .page-faq .faq-item__icon {
    transition: none;
  }

  .page-faq .faq-jump__link:hover {
    transform: none;
  }
}