.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .faq-crumbs {
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--turf);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 40px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0 -12% 0 auto;
  width: 76%;
  background:
    linear-gradient(152deg, rgba(242, 107, 31, 0.18), rgba(59, 224, 196, 0.1) 58%, transparent 84%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--gap-lg);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 14px 0 16px;
  max-width: 14em;
}

.page-faq .faq-hero .lede {
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
}

.page-faq .faq-hero__panel {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 22px 20px 24px;
  background: var(--pitch);
  color: var(--paper);
  border-left: 2px solid var(--neon);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
  box-shadow: 0 18px 40px -28px rgba(7, 17, 14, 0.75);
}

.page-faq .faq-hero__panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-faq .faq-hero__stat {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid rgba(244, 241, 232, 0.16);
}

.page-faq .faq-hero__stat:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ember);
  white-space: nowrap;
}

.page-faq .faq-hero__unit {
  font-size: 13px;
  margin-left: 2px;
  color: var(--turf-light);
}

.page-faq .faq-hero__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--turf-light);
}

/* ---------- 两栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--gap-lg);
  padding-bottom: 40px;
}

.page-faq .faq-side {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--turf);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0 9px 12px;
  border-left: 2px solid var(--paper-grey);
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--paper-grey);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.page-faq .faq-side__link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--turf);
  letter-spacing: 0.06em;
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  border-left-color: var(--ember);
  background: rgba(242, 107, 31, 0.08);
  color: var(--ink);
}

.page-faq .faq-side__help {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--paper-grey);
  font-size: 13px;
  line-height: 1.7;
  color: var(--turf);
}

.page-faq .faq-side__help a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-top: 4px;
}

.page-faq .faq-group__head {
  margin-bottom: 12px;
}

.page-faq .faq-group__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--brick);
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 16em;
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.72;
  color: var(--turf);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--paper-grey);
}

.page-faq .faq-list > .qa:last-child {
  border-bottom: 1px solid var(--paper-grey);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.15;
  color: var(--ember);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
}

.page-faq .qa[open] .qa__q,
.page-faq .qa__q:hover {
  color: var(--ember-deep);
}

.page-faq .qa__idx {
  min-width: 1.5em;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--turf);
}

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

.page-faq .qa__a {
  padding: 0 0 18px 34px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a a {
  color: var(--ember-deep);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- 暗场分隔带 ---------- */
.page-faq .faq-divider {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin: 32px 0;
  padding: 16px 18px;
  background: var(--pitch);
  color: var(--turf-light);
  clip-path: polygon(0 14px, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-divider__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-faq .faq-divider__text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(244, 241, 232, 0.86);
}

/* ---------- 截图 ---------- */
.page-faq .faq-shot {
  margin: 18px 0 8px;
  border: 1px solid var(--paper-grey);
  background: linear-gradient(165deg, var(--pitch), var(--midnight));
  overflow: hidden;
}

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

.page-faq .faq-shot--phone {
  max-width: 380px;
}

.page-faq .faq-shot__cap {
  margin: 8px 0 22px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--turf);
}

.page-faq .faq-shot--phone + .faq-shot__cap {
  margin-top: 8px;
}

/* ---------- 反馈条 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  margin-top: 8px;
  padding: 56px 0 44px;
  background: var(--pitch);
  color: var(--paper);
  clip-path: polygon(0 34px, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  inset: auto auto -40% -10%;
  width: 62%;
  height: 150%;
  background: radial-gradient(circle, rgba(242, 107, 31, 0.26), transparent 66%);
  pointer-events: none;
}

.page-faq .faq-cta__inner {
  position: relative;
  display: grid;
  gap: 20px;
}

.page-faq .faq-cta__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 14em;
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--turf-light);
}

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

.page-faq .faq-cta__meta {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(244, 241, 232, 0.18);
  display: grid;
  gap: 8px;
  font-size: 13px;
}

.page-faq .faq-cta__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
}

.page-faq .faq-cta__meta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-faq .faq-cta__meta .num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 30px 0 56px;
  }

  .page-faq .faq-hero__panel {
    padding: 26px 26px 28px;
  }

  .page-faq .faq-hero__num {
    font-size: 32px;
  }

  .page-faq .faq-side__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--gap-lg);
  }

  .page-faq .faq-hero__lead {
    padding-top: 8px;
  }

  .page-faq .faq-hero__panel {
    margin-top: 6px;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--gap-lg);
    padding-bottom: 56px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
    align-self: start;
  }

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

  .page-faq .faq-group__head {
    margin-bottom: 14px;
  }

  .page-faq .qa__q {
    padding: 16px 0;
    font-size: 17px;
  }

  .page-faq .faq-divider {
    margin: 38px 0;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 18px 40px;
  }

  .page-faq .faq-cta__meta {
    grid-column: 1 / -1;
    grid-auto-flow: column;
    justify-content: start;
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-side__link,
  .page-faq .qa__q {
    transition: none;
  }
}