.page-faq {
  --faq-panel: rgba(14, 58, 51, .52);
  --faq-panel-open: rgba(14, 58, 51, .88);
  --faq-stroke: rgba(63, 245, 208, .22);
  --faq-glow: 0 0 0 1px rgba(63, 245, 208, .18);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  margin-block: 18px 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(26px, 5vw, 54px) clamp(44px, 7vw, 88px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-hero__copy > * + * {
  margin-top: 18px;
}

.page-faq .faq-hero__copy .display-xl {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__copy .lede {
  margin: 0;
  max-width: 30em;
}

.page-faq .faq-hero__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 3 / 2;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-hero__media {
    aspect-ratio: 5 / 6;
  }
}

/* ---------- 问答工具条 ---------- */
.page-faq .faq-toolbar {
  margin-bottom: clamp(20px, 3vw, 30px);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  border-radius: var(--radius-md);
  background: var(--faq-panel);
  transition: background-color .3s ease, box-shadow .3s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0;
  transform: scaleY(.25);
  transform-origin: 50% 0;
  transition: opacity .32s ease, transform .32s ease;
  pointer-events: none;
}

.page-faq .faq-item[open] {
  background: var(--faq-panel-open);
  box-shadow: var(--faq-glow);
}

.page-faq .faq-item[open]::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px 16px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  color: var(--cyan-soft);
  text-transform: uppercase;
  padding: 3px 9px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-pill);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--paper);
  font-size: clamp(.94rem, 2.4vw, 1.05rem);
  font-weight: 500;
  line-height: 1.55;
}

.page-faq .faq-arrow {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
}

.page-faq .faq-arrow::before,
.page-faq .faq-arrow::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

.page-faq .faq-arrow::before {
  left: 9px;
  top: 3px;
  width: 2px;
  height: 14px;
}

.page-faq .faq-arrow::after {
  left: 3px;
  top: 9px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item[open] .faq-arrow::before {
  opacity: 0;
  transform: scaleY(0);
}

.page-faq .faq-a {
  padding: 0 18px 18px 20px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 34em;
  color: var(--gray);
  font-size: .93rem;
  line-height: 1.8;
}

@media (min-width: 640px) {
  .page-faq .faq-item > summary {
    gap: 14px;
    padding: 18px 24px 18px 28px;
  }

  .page-faq .faq-a {
    padding: 0 24px 20px 28px;
  }
}

/* ---------- 两步路径 ---------- */
.page-faq .faq-path__note {
  margin: 0;
}

.page-faq .faq-path__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-faq .path-diagram {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-faq .path-node {
  position: relative;
  padding-left: 42px;
}

.page-faq .path-dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 5px rgba(63, 245, 208, .1);
}

.page-faq .path-node:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 24px;
  bottom: -22px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), rgba(63, 245, 208, .08));
}

.page-faq .path-step {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .path-text {
  margin: 0;
  max-width: 30em;
  color: var(--paper);
  font-size: 1rem;
  line-height: 1.7;
}

.page-faq .faq-path__media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 10 / 7;
}

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

.page-faq .faq-path__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-faq .faq-path__foot .note {
  margin: 0;
}

@media (min-width: 720px) {
  .page-faq .path-diagram {
    grid-template-columns: 1fr 1fr;
    column-gap: 28px;
    gap: 0 28px;
  }

  .page-faq .path-node {
    padding-left: 0;
    padding-top: 42px;
  }

  .page-faq .path-dot {
    left: 0;
    top: 0;
  }

  .page-faq .path-node:not(:last-child)::after {
    left: 22px;
    right: -28px;
    top: 7px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(to right, var(--cyan), rgba(63, 245, 208, .08));
  }
}

@media (min-width: 920px) {
  .page-faq .faq-path__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }
}

/* ---------- iOS 排查步骤 ---------- */
.page-faq .faq-ios__head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-faq .faq-ios__head .prose {
  margin-top: 14px;
}

.page-faq .fix-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .fix-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .fix-step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .fix-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .fix-t {
  margin: 0 0 6px;
  color: var(--paper);
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.5;
}

.page-faq .fix-d {
  margin: 0;
  max-width: 34em;
  color: var(--gray);
  font-size: .92rem;
  line-height: 1.75;
}

/* ---------- 数据纠错 ---------- */
.page-faq .faq-fix__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .faq-fix__copy .prose {
  margin-top: 14px;
}

.page-faq .faq-fix__copy .btn {
  margin-top: 24px;
}

.page-faq .fix-fields {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .fix-fields li {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(159, 184, 178, .22);
}

.page-faq .fix-fields li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .fix-k {
  font-size: .84rem;
  font-weight: 600;
  color: var(--cyan-soft);
}

.page-faq .fix-v {
  color: var(--gray);
  font-size: .9rem;
  line-height: 1.7;
}

@media (min-width: 560px) {
  .page-faq .fix-fields li {
    grid-template-columns: 6.5em 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-fix__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

/* ---------- 仍需帮助 ---------- */
.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-help__inner .prose {
  margin-top: 14px;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 800px) {
  .page-faq .faq-help__inner {
    grid-template-columns: 7fr auto;
  }

  .page-faq .faq-help__actions {
    justify-content: flex-end;
  }
}