.page-faq {
  display: block;
  background: var(--ky-night);
  color: var(--ky-cream);
  font-family: var(--ky-font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq a {
  color: inherit;
  text-decoration: none;
}

.page-faq h1,
.page-faq h2,
.page-faq p,
.page-faq ol,
.page-faq ul,
.page-faq figure {
  margin: 0;
  padding: 0;
}

.page-faq ol,
.page-faq ul {
  list-style: none;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--ky-line);
  background:
    radial-gradient(120% 84% at 6% 0%, rgba(43, 179, 163, 0.16), transparent 60%),
    radial-gradient(88% 72% at 100% 12%, rgba(240, 90, 40, 0.15), transparent 62%),
    var(--ky-night);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 5vw, 2.4rem);
  padding-top: clamp(1.6rem, 5vw, 3.2rem);
  padding-bottom: clamp(1.8rem, 5vw, 3rem);
}

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

.page-faq .faq-hero .ky-eyebrow {
  margin-top: clamp(1.2rem, 4vw, 2rem);
}

.page-faq .faq-hero h1 {
  margin-top: 0.5rem;
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.4vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: -0.012em;
  color: var(--ky-white);
  overflow-wrap: break-word;
}

.page-faq .faq-hero__lead {
  margin-top: 1.05rem;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.7vw, 1.1rem);
  line-height: 1.75;
  color: rgba(244, 239, 228, 0.8);
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin-top: 1.4rem;
}

.page-faq .faq-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.34rem 0.72rem;
  border: 1px solid var(--ky-line);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: rgba(244, 239, 228, 0.76);
}

.page-faq .faq-fact b {
  font-family: var(--ky-font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--ky-teal);
}

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

.page-faq .faq-hero__visual .ky-figure {
  border: 1px solid var(--ky-line);
  overflow: hidden;
}

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

.page-faq .faq-status {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  padding: 0.75rem 0 0.95rem;
  border-top: 1px solid var(--ky-line);
  font-family: var(--ky-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: rgba(244, 239, 228, 0.72);
}

.page-faq .faq-status__item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .faq-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: none;
}

.page-faq .faq-status__dot--teal {
  background: var(--ky-teal);
  box-shadow: 0 0 0 3px rgba(43, 179, 163, 0.18);
}

.page-faq .faq-status__dot--orange {
  background: var(--ky-orange);
  box-shadow: 0 0 0 3px rgba(240, 90, 40, 0.18);
}

.page-faq .faq-status__dot--sand {
  background: var(--ky-sand);
  box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.18);
}

/* ---------- 问题索引 ---------- */

.page-faq .faq-index {
  background: var(--ky-cream);
  color: var(--ky-ink);
  padding: clamp(2.2rem, 6vw, 3.6rem) 0;
  border-bottom: 1px solid var(--ky-line-ink);
}

.page-faq .faq-block__eyebrow {
  font-family: var(--ky-font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ky-sand-ink);
}

.page-faq .faq-index__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  margin-bottom: clamp(1.2rem, 4vw, 1.9rem);
}

.page-faq .faq-index__title {
  margin-top: 0.4rem;
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.6vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--ky-ink);
}

.page-faq .faq-index__note {
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(30, 26, 22, 0.66);
  max-width: 46ch;
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

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

.page-faq .faq-index__item:last-child {
  border-bottom: 1px solid var(--ky-line-ink);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.72rem 0;
  color: var(--ky-ink);
  transition: color 0.2s var(--ky-ease), transform 0.2s var(--ky-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ky-orange);
  transform: translateX(3px);
}

.page-faq .faq-index__num {
  font-family: var(--ky-font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ky-sand-ink);
}

.page-faq .faq-index__text {
  font-size: 0.95rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

/* ---------- 正文区 ---------- */

.page-faq .faq-body {
  background: var(--ky-cream);
  color: var(--ky-ink);
  padding-bottom: clamp(2.4rem, 7vw, 4.4rem);
}

.page-faq .faq-block {
  padding-top: clamp(2rem, 6vw, 3.2rem);
  scroll-margin-top: 5rem;
}

.page-faq .faq-block__head {
  max-width: 62ch;
}

.page-faq .faq-block__title {
  margin-top: 0.4rem;
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--ky-ink);
}

.page-faq .faq-block__desc {
  margin-top: 0.7rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(30, 26, 22, 0.68);
}

.page-faq .faq-block--night {
  padding: clamp(1.5rem, 5vw, 2.6rem);
  border: 1px solid var(--ky-line);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--ky-abyss) 0%, var(--ky-night) 100%);
  color: var(--ky-cream);
  box-shadow: var(--ky-shadow-panel);
}

.page-faq .faq-block--night .faq-block__title {
  color: var(--ky-white);
}

.page-faq .faq-block--night .faq-block__desc {
  color: rgba(244, 239, 228, 0.74);
}

.page-faq .faq-block--night .faq-block__eyebrow {
  color: var(--ky-sand);
}

/* ---------- 备用路径示意 ---------- */

.page-faq .faq-steps-figure {
  margin-top: clamp(1.3rem, 4vw, 2rem);
}

.page-faq .faq-steps {
  display: block;
  width: 100%;
  height: auto;
  max-width: 660px;
}

.page-faq .faq-steps__cap {
  margin-top: 0.7rem;
  max-width: 62ch;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.66);
}

/* ---------- 手风琴 ---------- */

.page-faq .faq-acc {
  --faq-line: var(--ky-line-ink);
  --faq-q: var(--ky-ink);
  --faq-a: rgba(30, 26, 22, 0.76);
  --faq-mark: var(--ky-sand-ink);
  margin-top: clamp(1.2rem, 4vw, 1.8rem);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block--night .faq-acc {
  --faq-line: var(--ky-line);
  --faq-q: var(--ky-white);
  --faq-a: rgba(244, 239, 228, 0.78);
  --faq-mark: var(--ky-sand);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-line);
  scroll-margin-top: 6rem;
}

.page-faq .faq-q > summary {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr) 1.3rem;
  gap: 0.7rem;
  align-items: start;
  padding: 0.95rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--ky-font-display);
  font-weight: 700;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.55;
  color: var(--faq-q);
  transition: color 0.2s var(--ky-ease);
}

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

.page-faq .faq-q > summary:hover,
.page-faq .faq-q > summary:focus-visible {
  color: var(--ky-orange);
}

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

.page-faq .faq-q__no {
  font-family: var(--ky-font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--faq-mark);
  padding-top: 0.28rem;
}

.page-faq .faq-q__text {
  overflow-wrap: break-word;
}

.page-faq .faq-q__mark {
  position: relative;
  justify-self: end;
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.22rem;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  color: var(--faq-mark);
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  top: 50%;
  height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
}

.page-faq .faq-q__mark::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.25s var(--ky-ease), opacity 0.25s var(--ky-ease);
}

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-q__body {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.7rem;
  padding-bottom: 1.15rem;
}

.page-faq .faq-q__body > p {
  grid-column: 2;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--faq-a);
  overflow-wrap: break-word;
}

/* ---------- 延伸入口 ---------- */

.page-faq .faq-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.7rem;
  margin-top: clamp(1.4rem, 4vw, 2rem);
}

.page-faq .faq-next__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.3rem 1rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--ky-line-ink);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
  transition: border-color 0.2s var(--ky-ease), transform 0.2s var(--ky-ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  border-color: var(--ky-teal);
  transform: translateY(-2px);
}

.page-faq .faq-next__kicker {
  grid-column: 1;
  font-family: var(--ky-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ky-sand-ink);
}

.page-faq .faq-next__title {
  grid-column: 1;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ky-ink);
}

.page-faq .faq-next__go {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-family: var(--ky-font-mono);
  font-size: 1.3rem;
  color: var(--ky-teal);
}

/* ---------- 中等宽度 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.6rem, 4vw, 3.4rem);
  }

  .page-faq .faq-index__item:nth-child(2) {
    border-top: 1px solid var(--ky-line-ink);
  }

  .page-faq .faq-index__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: 1.6rem;
  }

  .page-faq .faq-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next__card {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 0.35rem;
    padding: 1.1rem;
  }

  .page-faq .faq-next__go {
    grid-column: 1;
    grid-row: auto;
    margin-top: 0.4rem;
  }
}

/* ---------- 桌面端 ---------- */

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-faq .faq-hero__visual {
    transform: translateY(clamp(12px, 2vw, 34px));
  }

  .page-faq .faq-q > summary {
    grid-template-columns: 2.6rem minmax(0, 1fr) 1.4rem;
    gap: 0.9rem;
    padding: 1.05rem 0;
  }

  .page-faq .faq-q__body {
    grid-template-columns: 2.6rem minmax(0, 1fr);
    gap: 0.9rem;
  }

  .page-faq .faq-block--night {
    padding: clamp(2rem, 4vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-q > summary,
  .page-faq .faq-q__mark::after,
  .page-faq .faq-next__card {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible,
  .page-faq .faq-next__card:hover,
  .page-faq .faq-next__card:focus-visible {
    transform: none;
  }
}