.page-faq {
  --faq-hair: rgba(122, 127, 154, .16);
  --faq-hair-strong: rgba(122, 127, 154, .38);
  --faq-pad: clamp(2.6rem, 7vw, 5.5rem);
  position: relative;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(1.4rem, 4vw, 2.6rem) clamp(2.4rem, 6vw, 5rem);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -24% -12% auto -12%;
  height: 130%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 62% at 82% 14%, rgba(108, 59, 255, .44), transparent 68%),
    radial-gradient(44% 46% at 4% 4%, rgba(57, 255, 136, .09), transparent 72%);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 5vw, 3.6rem);
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-hero__title {
  margin: .7rem 0 1rem;
  font-size: clamp(2.25rem, 8vw, 4.6rem);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.035em;
  color: var(--wk-mist);
  transform: skewX(-4deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--wk-green);
  text-shadow: 0 0 26px rgba(57, 255, 136, .3);
}

.page-faq .faq-hero__copy .wk-lead {
  max-width: 46ch;
  margin: 0;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--wk-line);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
  box-shadow: var(--wk-shadow);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 10, 18, 0) 46%, rgba(10, 10, 18, .76) 100%);
}

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

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }
  .page-faq .faq-hero__media {
    transform: translateY(clamp(0rem, 2vw, 1.4rem));
  }
}

/* ---------- 话题筛选条 ---------- */

.page-faq .faq-topics {
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
  background: linear-gradient(180deg, rgba(27, 16, 53, .72), rgba(10, 10, 18, 0));
}

.page-faq .faq-topics__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.2rem;
  padding-block: 1rem;
}

.page-faq .faq-topics__bar .wk-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-faq .wk-filter__count {
  margin: 0;
  font-family: var(--wk-font-mono);
  font-size: .74rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--wk-steel);
  white-space: nowrap;
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-block {
  padding-block: var(--faq-pad);
}

.page-faq .faq-block + .faq-block {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-block__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 3.2rem);
}

@media (min-width: 920px) {
  .page-faq .faq-block__grid {
    grid-template-columns: minmax(0, 21rem) minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-block__head .wk-eyebrow {
  display: block;
  margin: 0 0 .6rem;
  color: var(--wk-green);
}

.page-faq .faq-block__title {
  margin: 0 0 .7rem;
  font-size: clamp(1.45rem, 3.6vw, 2.2rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.025em;
  color: var(--wk-mist);
}

.page-faq .faq-block__note {
  margin: 0;
  max-width: 34ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--wk-steel);
}

.page-faq .faq-block__col {
  min-width: 0;
}

.page-faq .faq-block__media {
  margin: 0 0 clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--wk-line);
  border-radius: var(--wk-radius-sm);
  overflow: hidden;
  background: var(--wk-card);
}

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

/* ---------- 折叠条目 ---------- */

.page-faq .faq-item {
  border-top: 1px solid var(--faq-hair);
  transition: border-color .3s var(--wk-ease);
}

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

.page-faq .faq-item[open] {
  border-color: var(--faq-hair-strong);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: .9rem;
  padding: 1.15rem .2rem;
  list-style: none;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color .25s var(--wk-ease);
}

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

.page-faq .faq-item > summary:hover {
  background: rgba(108, 59, 255, .1);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--wk-yellow);
  outline-offset: 2px;
}

.page-faq .faq-item__idx {
  padding-top: .3rem;
  font-family: var(--wk-font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--wk-steel);
  transition: color .25s var(--wk-ease);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--wk-green);
}

.page-faq .faq-item__q {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.012em;
  color: var(--wk-mist);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: .35rem;
  flex: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: var(--wk-steel);
  transform: translateY(-50%);
  transition: transform .3s var(--wk-ease), background-color .3s var(--wk-ease);
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after {
  background: var(--wk-green);
  transform: translateY(-50%) rotate(180deg);
}

.page-faq .faq-item__body {
  padding: 0 .2rem 1.4rem 2.65rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--wk-steel);
}

.page-faq .faq-item[open] .faq-item__body {
  animation: faq-reveal .34s var(--wk-ease) both;
}

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

.page-faq .faq-item__body p + p {
  margin-top: .7rem;
}

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

@media (max-width: 619px) {
  .page-faq .faq-item > summary {
    gap: .6rem;
    padding: 1rem 0;
  }
  .page-faq .faq-item__body {
    padding-left: 0;
  }
  .page-faq .faq-item__idx {
    font-size: .68rem;
  }
}

/* ---------- 直达入口 ---------- */

.page-faq .faq-routes__head .wk-eyebrow {
  display: block;
  margin: 0 0 .6rem;
  color: var(--wk-yellow);
}

.page-faq .faq-routes__head .faq-block__note {
  max-width: 44ch;
}

.page-faq .faq-routes__list {
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
  border-radius: var(--wk-radius);
  overflow: hidden;
}

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

@media (min-width: 1180px) {
  .page-faq .faq-routes__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-route {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  height: 100%;
  padding: clamp(1.2rem, 3vw, 1.7rem);
  background: var(--wk-card);
  color: inherit;
  text-decoration: none;
  transition: background-color .3s var(--wk-ease);
}

.page-faq .faq-route:hover,
.page-faq .faq-route:focus-visible {
  background: linear-gradient(158deg, rgba(108, 59, 255, .3), rgba(20, 20, 34, 1) 74%);
}

.page-faq .faq-route:focus-visible {
  outline: 2px solid var(--wk-yellow);
  outline-offset: -2px;
}

.page-faq .faq-route__idx {
  font-family: var(--wk-font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--wk-green);
}

.page-faq .faq-route__name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -.012em;
  color: var(--wk-mist);
}

.page-faq .faq-route__desc {
  font-size: .9rem;
  line-height: 1.72;
  color: var(--wk-steel);
}

.page-faq .faq-route__go {
  margin-top: auto;
  padding-top: .9rem;
  font-family: var(--wk-font-mono);
  font-size: .74rem;
  letter-spacing: .09em;
  color: var(--wk-yellow);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__body {
    animation: none;
  }
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after {
    transition: none;
  }
}