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

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 0;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 420px;
  background:
    radial-gradient(60% 70% at 78% 18%, rgba(31, 75, 255, .16), transparent 70%),
    radial-gradient(50% 60% at 12% 0%, rgba(201, 211, 230, .55), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero-copy {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-mute);
}

.page-faq .breadcrumbs a {
  color: var(--ink-mute);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--blue);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.page-faq .faq-kicker {
  margin: 22px 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 15ch;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 26px;
  padding: 12px 18px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-status-dot {
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(15, 157, 107, .16);
}

.page-faq .faq-status-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-status-alt {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-mute);
}

.page-faq .faq-hero-media {
  position: relative;
  z-index: 1;
  margin-top: 30px;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding: 40px 0 72px;
}

.page-faq .faq-index {
  margin-bottom: 32px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-mute);
}

.page-faq .faq-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-list li {
  flex: none;
}

.page-faq .faq-index-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .24s var(--ease), color .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-index-link .coord {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-mute);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--glow);
}

.page-faq .faq-index-link:hover .coord,
.page-faq .faq-index-link:focus-visible .coord {
  color: var(--blue);
}

/* ---------- 问题组 ---------- */
.page-faq .qa-group {
  scroll-margin-top: 96px;
  margin-bottom: 52px;
}

.page-faq .qa-group:last-of-type {
  margin-bottom: 40px;
}

.page-faq .qa-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-group-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 30px;
  padding: 0 8px;
  border-radius: var(--r-sm);
  background: var(--glow);
  color: var(--blue);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-faq .qa-group-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 4.4vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-faq .qa-group-lede {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .qa-list {
  display: grid;
  gap: 12px;
}

.page-faq .qa-item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--haze);
  border-radius: var(--r-md);
  background: #fff;
  padding: 0 18px;
  transition: border-color .26s var(--ease), box-shadow .26s var(--ease), background-color .26s var(--ease);
}

.page-faq .qa-item[open] {
  border-left-color: var(--blue);
  background: linear-gradient(180deg, rgba(230, 236, 255, .5), #fff 60%);
  box-shadow: var(--shadow-card);
}

.page-faq .qa-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .qa-q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--blue);
  transition: transform .26s var(--ease);
}

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

.page-faq .qa-item[open] .qa-q {
  color: var(--deep);
}

.page-faq .qa-a {
  display: grid;
  gap: 10px;
  padding: 0 0 20px;
}

.page-faq .qa-a p {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-soft);
}

.page-faq .qa-a a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa-a a:hover {
  color: var(--deep);
}

.page-faq .qa-key {
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  background: var(--glow);
  border-radius: 6px;
  padding: 1px 6px;
}

/* ---------- 流程图 ---------- */
.page-faq .qa-flow {
  margin: 0 0 20px;
}

.page-faq .qa-flow img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-md);
  background: var(--cream);
}

.page-faq .qa-flow-cap {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-mute);
}

/* ---------- 找我们 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 26px;
  padding: 30px 22px;
  border-radius: var(--r-xl);
  background:
    radial-gradient(80% 120% at 90% 0%, rgba(31, 75, 255, .45), transparent 62%),
    linear-gradient(160deg, var(--deep), #150f0a);
  color: #fff;
}

.page-faq .faq-help-kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .62);
}

.page-faq .faq-help-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 5vw, 1.8rem);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-faq .faq-help-text {
  margin: 0 0 22px;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .8);
}

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

.page-faq .faq-help-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, .16);
}

.page-faq .help-row {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.page-faq .help-label {
  font-size: 10px;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .55);
}

.page-faq .help-value {
  font-size: 14px;
  line-height: 1.7;
  color: #fff;
  word-break: break-word;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero-copy h1 {
    font-size: clamp(2.6rem, 4.6vw, 3.6rem);
  }

  .page-faq .faq-lede {
    font-size: 17px;
  }

  .page-faq .faq-hero-media {
    margin-top: 40px;
  }

  .page-faq .faq-hero-media img {
    aspect-ratio: 12 / 4.2;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
  }

  .page-faq .faq-body {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    padding: 56px 0 88px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    margin-bottom: 0;
    padding-left: 2px;
    border-left: 2px solid var(--line-strong);
  }

  .page-faq .faq-index-title {
    padding-left: 14px;
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-link {
    width: 100%;
    border-color: transparent;
    background: transparent;
    border-radius: var(--r-sm) var(--r-pill) var(--r-pill) var(--r-sm);
    padding: 11px 14px;
    white-space: normal;
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    background: var(--glow);
  }

  .page-faq .qa-group {
    margin-bottom: 60px;
  }

  .page-faq .qa-item {
    padding: 0 24px;
  }

  .page-faq .qa-q {
    font-size: 17px;
  }

  .page-faq .qa-a p {
    font-size: 16px;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 44px;
    padding: 44px 40px;
    align-items: start;
  }

  .page-faq .faq-help-list {
    border-top: 0;
  }

  .page-faq .help-row:first-child {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-item,
  .page-faq .qa-q::after,
  .page-faq .faq-index-link {
    transition: none;
  }
}