.page-faq {
  --faq-measure: 68ch;
  --faq-sticky: var(--bar-h);
  color: var(--indigo);
  background: var(--moon);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  margin: 0;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 12px;
}

.page-faq .section-title {
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  line-height: 1.32;
  margin-bottom: 14px;
}

.page-faq .prose {
  max-width: var(--faq-measure);
  line-height: 1.85;
  color: #40506e;
  margin: 0;
}

/* Hero */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px) var(--gutter) clamp(34px, 6vw, 72px);
  background:
    radial-gradient(120% 95% at 84% -20%, rgba(232, 163, 61, 0.22), transparent 58%),
    radial-gradient(90% 80% at 4% 118%, rgba(46, 196, 182, 0.18), transparent 62%),
    linear-gradient(168deg, var(--ink) 0%, var(--indigo) 58%, #182742 100%);
  color: var(--moon);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -16%;
  top: -40%;
  width: min(560px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(245, 247, 250, 0.14);
  box-shadow:
    inset 0 0 0 26px rgba(245, 247, 250, 0.035),
    inset 0 0 0 27px rgba(245, 247, 250, 0.08);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-faq .faq-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--mist);
  margin-bottom: clamp(18px, 4vw, 34px);
}

.page-faq .faq-hero .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

.page-faq .faq-hero .breadcrumbs a:hover,
.page-faq .faq-hero .breadcrumbs a:focus-visible {
  color: var(--amber);
}

.page-faq .faq-hero .breadcrumbs [aria-current="page"] {
  color: var(--moon);
}

.page-faq .faq-hero__title {
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.14;
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.88;
  color: #dce4f2;
}

.page-faq .faq-hero__actions {
  margin-top: clamp(22px, 4vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease),
    border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-faq .btn--amber {
  background: var(--amber);
  color: #241a08;
  box-shadow: 0 6px 18px rgba(232, 163, 61, 0.26);
}

.page-faq .btn--amber:hover,
.page-faq .btn--amber:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(232, 163, 61, 0.34);
}

.page-faq .btn--ghost {
  background: transparent;
  color: var(--moon);
  border: 1px solid rgba(245, 247, 250, 0.42);
}

.page-faq .btn--ghost:hover,
.page-faq .btn--ghost:focus-visible {
  border-color: var(--moon);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(126px, 1fr));
  gap: 14px;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-hero__stats div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-hero__stats dt {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  color: var(--moon);
}

/* 分类 */
.page-faq .faq-pick {
  padding: clamp(36px, 6vw, 78px) 0;
  background: var(--paper);
}

.page-faq .faq-pick__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-faq .faq-pick .eyebrow,
.page-faq .faq-answers .eyebrow,
.page-faq .faq-contact .eyebrow {
  color: var(--indigo);
  opacity: 0.68;
}

.page-faq .faq-pick__head {
  max-width: var(--faq-measure);
}

.page-faq .faq-pick__figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--moon);
}

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

.page-faq .faq-pick__figure .media-frame__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 27, 51, 0.74);
  color: var(--moon);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(178px, 1fr));
  gap: 14px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  background: var(--moon);
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--indigo);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease),
    border-left-color 0.18s var(--ease);
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(27, 42, 74, 0.12);
  border-left-color: var(--amber);
  outline: none;
}

.page-faq .faq-tile .card-title {
  font-size: 1.05rem;
  margin: 0;
}

.page-faq .faq-tile p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: #4a5a78;
}

.page-faq .faq-tile__more {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--teal);
}

/* 问答 */
.page-faq .faq-answers {
  padding: 0 0 clamp(36px, 6vw, 72px);
  background: var(--moon);
}

.page-faq .faq-answers__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-faq .faq-answers__head {
  padding: clamp(36px, 6vw, 70px) 0 10px;
  max-width: var(--faq-measure);
}

.page-faq .faq-filter {
  position: sticky;
  top: var(--faq-sticky);
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-left: calc(var(--gutter) * -1);
  margin-right: calc(var(--gutter) * -1);
  padding: 14px var(--gutter);
  box-sizing: border-box;
  background: rgba(245, 247, 250, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-chip {
  appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--moon);
  color: var(--indigo);
  transition: background 0.16s var(--ease), color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}

.page-faq .faq-chip:hover {
  border-color: var(--teal);
  color: var(--pine);
}

.page-faq .faq-chip[aria-pressed="true"] {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--moon);
}

.page-faq .faq-list {
  margin-top: 6px;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-q > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  color: var(--indigo);
  transition: color 0.16s var(--ease);
}

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

.page-faq .faq-q > summary:hover {
  color: #0b1830;
}

.page-faq .faq-q > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--amber);
  font-size: 1.3rem;
  line-height: 1;
}

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

.page-faq .faq-q__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-faq .faq-q__text {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-a {
  max-width: var(--faq-measure);
  padding: 0 0 22px;
  color: #3a4a68;
}

.page-faq .faq-a p {
  margin: 0 0 12px;
  font-size: 0.98rem;
  line-height: 1.85;
}

.page-faq .faq-a ol {
  margin: 0 0 14px;
  padding-left: 20px;
}

.page-faq .faq-a li {
  margin-bottom: 6px;
  font-size: 0.98rem;
  line-height: 1.8;
}

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

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

.page-faq .faq-hint {
  border-left: 3px solid var(--teal);
  background: rgba(46, 196, 182, 0.1);
  padding: 10px 14px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.92rem;
  color: var(--indigo);
}

.page-faq .faq-a__more {
  font-size: 0.9rem;
  color: #54648a;
}

.page-faq .filter-empty {
  margin: 26px 0 0;
  padding: 30px 16px;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
}

.page-faq .filter-empty[hidden] {
  display: none;
}

/* 三步排查 */
.page-faq .faq-flow {
  padding: clamp(40px, 6vw, 78px) 0;
  background: linear-gradient(155deg, var(--indigo), var(--ink));
  color: var(--moon);
}

.page-faq .faq-flow .band__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-faq .faq-flow .section-title {
  color: var(--moon);
  max-width: 24ch;
}

.page-faq .faq-flow__grid {
  display: grid;
  gap: 28px;
  margin-top: clamp(22px, 4vw, 38px);
}

.page-faq .faq-flow__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-dark);
}

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

.page-faq .faq-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-faq .faq-flow__steps li {
  position: relative;
  padding-left: 54px;
}

.page-faq .faq-flow__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.page-faq .faq-flow__steps li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 44px;
  bottom: -22px;
  width: 1px;
  background: rgba(232, 163, 61, 0.42);
}

.page-faq .faq-flow__steps h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--moon);
}

.page-faq .faq-flow__steps p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.82;
  color: #c7d3e8;
}

/* 联系方式 */
.page-faq .faq-contact {
  padding: clamp(38px, 6vw, 76px) 0;
  background: var(--paper);
}

.page-faq .faq-contact__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-faq .faq-contact__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  background: var(--moon);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-faq .faq-contact__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--indigo);
  word-break: break-word;
}

.page-faq .copy-btn {
  align-self: flex-start;
  appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--indigo);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  border-color: var(--teal);
  color: var(--pine);
}

.page-faq .faq-contact__note {
  margin: 20px 0 0;
  max-width: var(--faq-measure);
  font-size: 0.92rem;
  line-height: 1.82;
  color: #4a5a78;
}

/* 结尾 */
.page-faq .faq-next {
  padding: clamp(36px, 6vw, 74px) 0;
  background: var(--moon);
}

.page-faq .faq-next__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-faq .faq-next__panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  padding: clamp(26px, 4vw, 46px);
  background: linear-gradient(140deg, var(--indigo), var(--ink));
  color: var(--moon);
}

.page-faq .faq-next__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 1px solid rgba(232, 163, 61, 0.28);
  pointer-events: none;
}

.page-faq .faq-next__panel h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 12px;
}

.page-faq .faq-next__panel > p {
  margin: 0;
  max-width: var(--faq-measure);
  line-height: 1.85;
  color: #d5deec;
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-next__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: #c7d3e8;
}

.page-faq .faq-next__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.page-faq .faq-next__alt {
  margin: 18px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: #9fb0cc;
}

.page-faq .faq-next__alt a {
  color: var(--amber);
  text-underline-offset: 3px;
}

@media (min-width: 640px) {
  .page-faq .faq-next__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-flow__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
    gap: 44px;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    --faq-sticky: 0px;
  }

  .page-faq .faq-hero__lede {
    max-width: 52ch;
  }

  .page-faq .faq-a {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tile,
  .page-faq .btn,
  .page-faq .faq-chip,
  .page-faq .copy-btn {
    transition: none;
  }

  .page-faq .faq-tile:hover,
  .page-faq .btn--amber:hover {
    transform: none;
  }
}