.page-faq {
  --faq-line: var(--ink-line);
  --faq-accent: var(--cyan-signal);
  position: relative;
  background: var(--ink-deep);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding: clamp(18px, 3.5vw, 30px) 0 0;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-muted);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: .4rem;
  color: var(--ink-line);
}

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

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 6vw, 76px) 0 clamp(40px, 6.5vw, 84px);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(76, 107, 240, .30), transparent 58%),
    radial-gradient(80% 90% at 0% 100%, rgba(53, 227, 210, .14), transparent 62%),
    var(--ink-abyss);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 -6% 0 auto;
  width: 52%;
  z-index: -1;
  background: linear-gradient(150deg, rgba(53, 227, 210, .18), rgba(76, 107, 240, 0) 72%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
}

.page-faq .faq-hero__text {
  max-width: 860px;
}

.page-faq .faq-hero__kicker {
  margin: 0;
  color: var(--cyan-mist);
}

.page-faq .faq-hero h1 {
  margin: .6rem 0 1rem;
  max-width: 22em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 46em;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.4rem;
  margin: clamp(22px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--ink-line);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--cyan-mist);
}

.page-faq .faq-hero__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-muted);
}

/* ---------- 通用图文框 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3.6vw, 34px);
  overflow: hidden;
}

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

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

/* ---------- 四组索引 ---------- */
.page-faq .faq-cats__head {
  max-width: 46em;
}

.page-faq .faq-cats__note {
  margin: .7rem 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-muted);
}

.page-faq .faq-cards {
  align-items: stretch;
  margin-top: clamp(20px, 3.4vw, 32px);
}

.page-faq .faq-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.4rem 1.3rem 1.5rem;
  color: inherit;
  text-decoration: none;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan-signal);
}

.page-faq .faq-card__idx {
  margin: 0;
  color: var(--amber-mark);
}

.page-faq .faq-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.45;
}

.page-faq .faq-card__desc {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-muted);
}

.page-faq .faq-card__count {
  margin: .5rem 0 0;
  font-size: 13px;
  color: var(--slate-muted);
}

.page-faq .faq-card__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 高频问题速览 ---------- */
.page-faq .faq-quick__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: quick;
  border-top: 1px solid var(--ink-line);
}

.page-faq .faq-quick__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .35rem;
  padding: 1.1rem 0 1.2rem;
  border-bottom: 1px solid var(--ink-line);
}

.page-faq .faq-quick__q {
  display: flex;
  gap: .7rem;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-quick__q::before {
  counter-increment: quick;
  content: counter(quick, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  line-height: 2;
  color: var(--amber-mark);
}

.page-faq .faq-quick__a {
  margin: 0 0 0 2.1rem;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-muted);
}

/* ---------- 分组问答 ---------- */
.page-faq .faq-doc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.page-faq .faq-anchors ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--ink-line);
}

.page-faq .faq-anchors li {
  margin: 0;
}

.page-faq .faq-anchors a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  margin-left: -1px;
  padding: .6rem .9rem;
  font-size: 15px;
  color: var(--slate-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .16s var(--ease), background .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-anchors a:hover {
  color: var(--cyan-mist);
}

.page-faq .faq-anchors a[aria-current="true"] {
  color: var(--paper);
  border-left-color: var(--cyan-signal);
  background: linear-gradient(90deg, rgba(53, 227, 210, .13), transparent 82%);
}

.page-faq .faq-anchors .label-mono {
  font-size: 12px;
  color: var(--amber-mark);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(28px, 4.5vw, 48px);
}

.page-faq .faq-group__head {
  margin-bottom: .8rem;
}

.page-faq .faq-group__idx {
  margin: 0 0 .3rem;
  color: var(--amber-mark);
}

.page-faq .faq-group__head h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-muted);
}

.page-faq .faq-group__note a {
  color: var(--cyan-signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-group__list {
  border-top: 1px solid var(--ink-line);
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.05rem .25rem;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1.65;
  color: var(--paper);
  transition: color .16s var(--ease);
}

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

.page-faq .faq-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 3px;
  min-height: 24px;
  align-self: stretch;
  border-radius: 2px;
  background: var(--ink-line);
  transition: background .18s var(--ease);
}

.page-faq .faq-item:hover summary {
  color: var(--cyan-mist);
}

.page-faq .faq-item[open] summary {
  font-weight: 600;
}

.page-faq .faq-item[open] summary::before {
  background: var(--amber-mark);
}

.page-faq .faq-item__a {
  padding: 0 .25rem 1.25rem 1.1rem;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-muted);
}

.page-faq .faq-item__a p {
  margin: 0 0 .5rem;
}

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

.page-faq .faq-item__a strong {
  font-weight: 600;
  color: var(--amber-soft);
}

.page-faq .faq-item__a a {
  color: var(--cyan-signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 关键词检索 ---------- */
.page-faq .faq-finder__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
}

.page-faq .faq-finder__panel {
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(155deg, var(--ink-panel), var(--ink-abyss) 88%);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-finder__panel h2 {
  margin: .5rem 0 .6rem;
  max-width: 24em;
}

.page-faq .faq-finder__note {
  margin: 0 0 1.2rem;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-muted);
}

.page-faq .faq-finder__box {
  margin-bottom: 1.1rem;
}

.page-faq .faq-finder__box .label-mono {
  display: block;
  margin-bottom: .45rem;
  color: var(--cyan-mist);
}

.page-faq .faq-finder__input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: .85rem 1rem;
  background: var(--ink-abyss);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}

.page-faq .faq-finder__input::placeholder {
  color: var(--slate-muted);
  opacity: .8;
}

.page-faq .faq-finder__input:focus {
  border-color: var(--cyan-signal);
  box-shadow: 0 0 0 3px rgba(53, 227, 210, .16);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tag {
  display: inline-block;
  padding: .38rem .8rem;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--slate-muted);
  text-decoration: none;
  transition: border-color .16s var(--ease), color .16s var(--ease), background .16s var(--ease);
}

.page-faq .faq-tag:hover {
  border-color: var(--cyan-signal);
  color: var(--cyan-mist);
  background: rgba(53, 227, 210, .08);
}

/* ---------- 人工跟进 ---------- */
.page-faq .faq-submit__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-submit__text h2 {
  margin: .5rem 0 .7rem;
  max-width: 20em;
}

.page-faq .faq-submit__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-muted);
}

.page-faq .faq-submit__text a {
  color: var(--cyan-signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-submit__ways {
  display: grid;
  gap: .9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-submit__ways li {
  padding: .95rem 1.1rem;
  background: rgba(233, 241, 248, .03);
  border-left: 2px solid var(--ink-line);
  transition: border-color .16s var(--ease);
}

.page-faq .faq-submit__ways li:hover {
  border-left-color: var(--amber-mark);
}

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

.page-faq .faq-submit__ways .label-mono {
  margin-bottom: .35rem;
  color: var(--amber-mark);
}

.page-faq .faq-submit__ways a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-submit__ways a:hover {
  color: var(--cyan-mist);
  border-bottom-color: var(--cyan-signal);
}

.page-faq .faq-submit__hint {
  margin-top: .4rem;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-muted);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-quick__item {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 1.4rem 2.4rem;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-doc {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-finder__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
  }

  .page-faq .faq-submit__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 1140px) {
  .page-faq .faq-hero__grid {
    padding-right: 6%;
  }

  .page-faq .faq-card {
    padding: 1.6rem 1.5rem 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-card:hover,
  .page-faq .faq-card:focus-visible {
    transform: none;
    transition: none;
  }
}