.page-faq {
  --faq-accent: var(--lava);
  --faq-radius: 0;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 36px 0 0;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 24px;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-hero-main h1 {
  margin: 12px 0 0;
  color: var(--white);
}

.page-faq .faq-hero-main .lede {
  margin-top: 18px;
  max-width: 46ch;
  color: var(--soft);
}

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

.page-faq .faq-fact {
  background: var(--panel-2);
  padding: 14px 16px;
}

.page-faq .faq-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.page-faq .faq-fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero-media {
  position: relative;
  margin: 28px 0 0;
  border: 1px solid var(--grid);
  overflow: hidden;
  aspect-ratio: 16 / 7;
  background: var(--panel-2);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-faq .faq-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(100deg, rgba(11, 13, 16, .94) 0%, rgba(11, 13, 16, .48) 52%, rgba(255, 106, 26, .16) 100%),
    repeating-linear-gradient(90deg, rgba(42, 49, 56, .5) 0 1px, transparent 1px 80px);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-top: 40px;
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
}

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

.page-faq .faq-index-list > li {
  flex: 0 0 auto;
}

.page-faq .index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--grid);
  border-left: 2px solid transparent;
  background: var(--panel-2);
  color: var(--soft);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  transition: color .2s var(--ease);
}

.page-faq .index-label {
  flex: 1;
}

.page-faq .index-link:hover {
  border-color: rgba(34, 224, 214, .45);
  color: var(--white);
}

.page-faq .index-link:hover .index-num {
  color: var(--cyan);
}

.page-faq .index-link.is-active,
.page-faq .index-link[aria-current] {
  border-left-color: var(--lava);
  border-color: rgba(255, 106, 26, .32);
  background: linear-gradient(90deg, rgba(255, 106, 26, .16), rgba(20, 24, 29, .9) 78%);
  color: var(--white);
}

.page-faq .index-link.is-active .index-num,
.page-faq .index-link[aria-current] .index-num {
  color: var(--lava);
}

.page-faq .index-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

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

.page-faq .faq-group {
  --faq-accent: var(--lava);
  padding: 26px 0 10px;
  border-top: 1px solid var(--grid);
  scroll-margin-top: 92px;
}

.page-faq .faq-group--account { --faq-accent: var(--lava); }
.page-faq .faq-group--data { --faq-accent: var(--cyan); }
.page-faq .faq-group--push { --faq-accent: var(--amber); }
.page-faq .faq-group--client { --faq-accent: var(--ok); }

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  margin-bottom: 14px;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--faq-accent);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-group-head p {
  grid-column: 2 / -1;
  margin: 0;
  max-width: 44ch;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--grid);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-q {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 16px 4px 16px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--faq-accent);
  transform: translateY(-50%);
  transition: height .26s var(--ease);
}

.page-faq .faq-item[open] .faq-q::before {
  height: 62%;
}

.page-faq .faq-q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--faq-accent);
  transition: transform .26s var(--ease), color .2s var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}

.page-faq .faq-q:hover,
.page-faq .faq-q:hover::after {
  color: var(--cyan);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

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

.page-faq .faq-a {
  padding: 0 8px 20px 16px;
  animation: faq-drop .28s var(--ease) both;
}

@keyframes faq-drop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 48ch;
  color: var(--soft);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

.page-faq .faq-a a,
.page-faq .faq-step-desc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .38);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-a a:hover,
.page-faq .faq-step-desc a:hover {
  color: var(--lava);
  border-bottom-color: rgba(255, 106, 26, .55);
}

/* ---------- 操作路径 ---------- */
.page-faq .faq-steps {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--grid);
}

.page-faq .faq-steps-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-steps-heading {
  margin: 0 0 18px;
  font-size: clamp(18px, 2.6vw, 23px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.01em;
}

.page-faq .faq-step-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-faq .faq-step-list > li {
  position: relative;
  background: var(--panel-2);
  padding: 18px 16px 20px;
}

.page-faq .faq-step-list > li::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan), transparent 88%);
  opacity: .55;
}

.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--lava);
  margin-bottom: 12px;
}

.page-faq .faq-step-list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-step-desc {
  display: block;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 客户端双栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

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

.page-faq .faq-figure .media-frame {
  border: 1px solid var(--grid);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--panel-2);
}

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

.page-faq .faq-figure .media-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--muted);
}

/* ---------- 仍需帮助 ---------- */
.page-faq .faq-help {
  margin-top: 56px;
  padding: 30px 22px;
  border: 1px solid var(--grid);
  border-top: 3px solid var(--lava);
  background:
    radial-gradient(circle at 90% 8%, rgba(255, 106, 26, .16), transparent 58%),
    radial-gradient(circle at 4% 96%, rgba(34, 224, 214, .1), transparent 52%),
    var(--panel);
  scroll-margin-top: 92px;
}

.page-faq .faq-help h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.6vw, 33px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-help > p {
  margin: 0 0 26px;
  max-width: 46ch;
  color: var(--soft);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-faq .faq-help-card {
  background: var(--panel-2);
  padding: 22px 20px 24px;
}

.page-faq .faq-help-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-contact {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 21px);
  line-height: 1.35;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-faq .faq-help-card p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-faq .faq-help-foot {
  margin: 26px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--grid);
  color: var(--soft);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .faq-help-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .4);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-help-foot a:hover {
  color: var(--lava);
  border-bottom-color: rgba(255, 106, 26, .55);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .faq-step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-help {
    padding: 40px 34px 42px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 48px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
    padding-bottom: 38px;
  }

  .page-faq .faq-hero-media {
    margin-top: 34px;
    aspect-ratio: 16 / 5;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 38px;
    align-items: start;
  }

  .page-faq .faq-figure .media-frame {
    aspect-ratio: 1 / 1;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 48px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-index-list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-list > li {
    flex: 1 1 auto;
  }

  .page-faq .index-link {
    white-space: normal;
  }

  .page-faq .faq-step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-group {
    padding-top: 30px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-a {
    padding-right: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    animation: none !important;
    transition-duration: .01ms !important;
  }
}