.page-faq {
  --faq-gap: 20px;
  --faq-side: 240px;
  padding-bottom: 56px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 28px 0 40px;
  border-bottom: 1px solid var(--border);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20px -16px auto -16px;
  height: 220px;
  background: radial-gradient(120% 100% at 12% 0%, rgba(54, 241, 205, .10), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-size: var(--step-h1);
  line-height: 1.18;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--text);
  max-width: 20em;
}

.page-faq .faq-hero .lede {
  max-width: 46em;
  color: var(--text-muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--border);
}

.page-faq .faq-hero__stats div {
  min-width: 0;
}

.page-faq .faq-hero__stats dt {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--neon);
  word-break: break-word;
}

.page-faq .faq-hero__visual {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 260px;
  justify-self: start;
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-2);
  object-fit: cover;
}

.page-faq .faq-hero__visual figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-dim);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding: 36px 0 8px;
}

/* ---------- 侧栏分类 ---------- */
.page-faq .faq-nav {
  min-width: 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.page-faq .faq-nav__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-nav__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: var(--radius);
  border-left: 2px solid transparent;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-nav__list a .mono {
  font-size: 12px;
  color: var(--electric);
}

.page-faq .faq-nav__count {
  font-size: 12px;
  color: var(--text-dim);
}

.page-faq .faq-nav__list a:hover,
.page-faq .faq-nav__list a:focus-visible {
  background: var(--surface-2);
  color: var(--text);
  border-left-color: var(--neon);
  outline: none;
}

.page-faq .faq-nav__list a:focus-visible {
  box-shadow: var(--glow-neon);
}

.page-faq .faq-nav__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
  display: grid;
  gap: 40px;
}

.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: 90px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.page-faq .faq-group__no {
  font-size: 13px;
  color: var(--coral);
  letter-spacing: .06em;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: var(--step-h3);
  font-weight: 700;
  color: var(--text);
  flex: 1 1 auto;
  min-width: 0;
}

/* ---------- 折叠问答卡 ---------- */
.page-faq .qa {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(54, 241, 205, .45);
  background: var(--surface-2);
}

.page-faq .qa[open] {
  border-color: rgba(54, 241, 205, .55);
  box-shadow: var(--glow-neon);
  transform: translateY(-1px);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  transition: color .2s var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--neon);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--status);
}

.page-faq .qa__q:hover {
  color: var(--neon);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  border-top: 1px solid var(--border);
  margin-top: 0;
  padding-top: 12px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .qa__a p {
  margin: 0 0 8px;
}

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

.page-faq .qa__a ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-faq .qa__a strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .qa__a a {
  color: var(--accent-2);
}

/* ---------- 入口排查 ---------- */
.page-faq .faq-path {
  margin-top: 52px;
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  scroll-margin-top: 90px;
}

.page-faq .faq-path__body {
  display: grid;
  gap: 24px;
  margin-top: 22px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  position: relative;
  padding: 16px 16px 16px 18px;
  background: var(--surface-2);
  border-radius: var(--radius);
  border-left: 2px solid var(--neon);
}

.page-faq .faq-step__no {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
  margin-bottom: 6px;
}

.page-faq .faq-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

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

.page-faq .faq-path__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-1);
  object-fit: cover;
}

.page-faq .faq-path__figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: .03em;
}

.page-faq .faq-path__tail {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-faq .faq-path__tail a {
  color: var(--accent-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-path__tail a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- 显示与时间说明 ---------- */
.page-faq .faq-notes {
  margin-top: 52px;
}

.page-faq .faq-notes__title {
  font-size: var(--step-h2);
  font-weight: 800;
  margin: 0 0 22px;
  color: var(--text);
}

.page-faq .faq-notes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-faq .faq-note .card__title {
  font-size: 18px;
}

.page-faq .faq-note .card__body ul {
  margin: 10px 0 12px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-note .card__body {
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 14px;
}

.page-faq .faq-note .card__body p {
  margin: 0 0 10px;
}

.page-faq .faq-note .card__body strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  margin-top: 52px;
}

.page-faq .faq-contact__panel {
  display: grid;
  gap: 22px;
  padding: 28px 20px;
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--surface) 68%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-contact__copy h2 {
  margin: 10px 0 14px;
  font-size: var(--step-h2);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  max-width: 22em;
}

.page-faq .faq-contact__copy p {
  margin: 0 0 12px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
  max-width: 46em;
}

.page-faq .faq-contact__ref {
  padding-left: 12px;
  border-left: 2px solid var(--coral);
  color: var(--text-dim);
  font-size: 13px;
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--midnight);
}

.page-faq .faq-contact__row dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-dim);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-contact__row a {
  color: var(--accent-2);
  text-decoration: none;
}

.page-faq .faq-contact__row a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__row a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  border-radius: 3px;
}

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

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-path,
  .page-faq .faq-contact__panel {
    padding: 34px 30px;
  }

  .page-faq .faq-hero__visual {
    max-width: 320px;
    justify-self: start;
  }

  .page-faq .faq-path__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-faq {
    --faq-gap: 44px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 56px;
    padding: 44px 0 56px;
  }

  .page-faq .faq-hero h1 {
    max-width: 15em;
  }

  .page-faq .faq-hero__visual {
    max-width: 300px;
    justify-self: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    align-items: start;
    padding-top: 48px;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-groups {
    gap: 52px;
  }

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

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    padding: 40px;
    column-gap: 48px;
  }

  .page-faq .faq-contact__copy {
    grid-column: 1;
  }

  .page-faq .faq-contact__list {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-faq .faq-contact__actions {
    grid-column: 1;
  }
}