.page-faq {
  --faq-line: rgba(212, 169, 74, 0.28);
  --faq-line-strong: rgba(212, 169, 74, 0.72);
  --faq-text: rgba(244, 240, 230, 0.86);
  background: var(--ink);
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  border-bottom: var(--line-w) solid var(--faq-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -16%;
  top: 14%;
  width: min(640px, 78vw);
  aspect-ratio: 1 / 1;
  background: var(--felt);
  clip-path: polygon(16% 0, 100% 10%, 84% 100%, 0 86%);
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34%;
  height: 4px;
  background: var(--gold);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(44px, 8vw, 88px) clamp(38px, 6vw, 66px);
}

.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-faq .faq-crumbs a {
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-crumbs a:hover {
  color: var(--cream);
  border-bottom-color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(3.2rem, 13vw, 7rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--cream);
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  margin: 0;
  color: var(--faq-text);
  font-size: clamp(1rem, 2.6vw, 1.12rem);
  line-height: 1.78;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: var(--line-w) solid var(--faq-line);
  background: rgba(11, 43, 34, 0.78);
  color: var(--cream);
  font-size: 0.94rem;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
    transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-jump__link .sk-mono {
  color: var(--gold);
  font-size: 0.8rem;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--gold);
  color: var(--brass);
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-mid);
  outline: none;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  background: var(--faq-line);
  border: var(--line-w) solid var(--faq-line);
}

.page-faq .faq-stats > div {
  background: var(--ink);
  padding: 14px 16px 16px;
}

.page-faq .faq-stats dt {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-faq .faq-stats dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 1.24rem;
  color: var(--brass);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-block: clamp(38px, 6vw, 72px) clamp(48px, 8vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

/* ---------- 左侧分类轨道 ---------- */
.page-faq .faq-rail {
  border: var(--line-w) solid var(--faq-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-mid);
  padding: 16px 15px 18px;
}

.page-faq .faq-rail__caption {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--rock);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 8px;
  border-left: 3px solid transparent;
  color: var(--cream);
  font-size: 0.94rem;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease),
    color 0.2s var(--ease);
}

.page-faq .faq-rail__list .sk-mono {
  color: var(--gold);
  font-size: 0.76rem;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  border-left-color: var(--gold);
  background: rgba(212, 169, 74, 0.1);
  color: var(--brass);
  outline: none;
}

.page-faq .faq-rail__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-rail__foot p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--rock);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 24px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 7vw, 76px);
}

.page-faq .faq-group__head {
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: var(--line-w) solid var(--faq-line);
}

.page-faq .faq-group__idx {
  display: block;
  margin-bottom: 8px;
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-group__head .sk-h2 {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 5vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 58ch;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--rock);
}

.page-faq .faq-item {
  position: relative;
  margin-bottom: 12px;
  background: var(--ink-2);
  border: var(--line-w) solid var(--faq-line);
  border-left: 3px solid rgba(212, 169, 74, 0.2);
  box-shadow: var(--shadow-mid);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--faq-line-strong);
  border-left-color: var(--gold);
}

.page-faq .faq-item[open] {
  background: var(--felt);
  border-color: var(--faq-line-strong);
  border-left-color: var(--gold);
  transform: translate(-1px, -1px);
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 48px 16px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--cream);
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q__idx {
  flex: none;
  padding-top: 0.24em;
  font-size: 0.82rem;
  color: var(--gold);
}

.page-faq .faq-q::after {
  content: "＋";
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "－";
}

.page-faq .faq-flag {
  display: inline-flex;
  align-items: center;
  flex: none;
  margin-right: 8px;
  padding: 3px 8px;
  border: 1px solid rgba(244, 240, 230, 0.35);
  background: var(--red);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-a {
  padding: 0 20px 20px 42px;
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a ol,
.page-faq .faq-a ul {
  margin: 0 0 10px;
  padding-left: 1.2em;
}

.page-faq .faq-a li {
  margin-bottom: 6px;
}

.page-faq .faq-a li::marker {
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-faq .faq-a a {
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line-strong);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--gold);
  outline: none;
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: clamp(30px, 5vw, 46px) 0;
  padding: 10px;
  background: var(--ink-2);
  border: var(--line-w) solid var(--faq-line);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-figure--tight {
  margin-top: 22px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-faq .faq-figure .sk-figure__cap {
  margin: 10px 2px 2px;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  margin-top: 22px;
  padding: clamp(20px, 4vw, 32px);
  background: var(--ink-2);
  border: var(--line-w) solid var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-contact__item {
  padding-top: 14px;
  border-top: 2px solid var(--faq-line);
}

.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-contact__value {
  margin: 0 0 8px;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-contact__hint {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--rock);
}

.page-faq .faq-outro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: var(--line-w) solid var(--faq-line);
}

.page-faq .faq-outro__text {
  margin: 0;
  max-width: 40ch;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-outro__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-rail__list {
    display: block;
  }

  .page-faq .faq-rail__list a {
    padding: 9px 10px;
  }

  .page-faq .faq-rail__foot {
    display: block;
  }

  .page-faq .faq-rail__foot .sk-btn {
    display: inline-flex;
    margin-top: 10px;
  }

  .page-faq .faq-q {
    padding: 18px 52px 18px 18px;
    font-size: 1.06rem;
  }

  .page-faq .faq-q::after {
    top: 16px;
    right: 18px;
  }

  .page-faq .faq-a {
    padding: 0 26px 22px 48px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-q {
    padding: 14px 42px 14px 13px;
    gap: 9px;
  }

  .page-faq .faq-a {
    padding: 0 14px 16px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump__link,
  .page-faq .faq-rail__list a,
  .page-faq .faq-a a {
    transition: none;
  }
}