.page-faq {
  position: relative;
  overflow-x: clip;
  padding-block: 26px 84px;
  color: var(--paper);
  background:
    radial-gradient(900px 420px at 84% -4%, rgba(201, 162, 39, 0.10), transparent 62%),
    radial-gradient(760px 420px at 4% 38%, rgba(47, 127, 118, 0.09), transparent 66%),
    var(--ink);
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(242, 239, 230, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 239, 230, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0) 68%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0) 68%);
}

.page-faq > * {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cold);
}

.page-faq .crumb li {
  display: inline-flex;
  align-items: center;
}

.page-faq .crumb li + li::before {
  content: "/";
  margin: 0 9px;
  color: var(--line);
}

.page-faq .crumb a {
  color: var(--cold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--tfast) ease, border-color var(--tfast) ease;
}

.page-faq .crumb a:hover,
.page-faq .crumb a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold);
}

.page-faq .crumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: 26px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.page-faq .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cinnabar);
}

.page-faq .faq-hero__title {
  max-width: 20em;
  margin: 14px 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 6.6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.8), 0 0 30px rgba(201, 162, 39, 0.14);
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.78;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
}

.page-faq .faq-hero__stats > div {
  padding: 10px 12px 12px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.07), rgba(30, 30, 40, 0.62));
}

.page-faq .faq-hero__stats dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cold);
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5.4vw, 34px);
  line-height: 1;
  color: var(--gold-hi);
}

/* ---------- 页内检索 ---------- */
.page-faq .faq-search {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .command {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--cabinet);
  transition: border-color var(--tfast) ease;
}

.page-faq .command:focus-within {
  border-color: var(--gold);
}

.page-faq .command__prefix {
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--jade);
  white-space: nowrap;
}

.page-faq .command__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 10px 4px;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .command__input:focus {
  outline: none;
}

.page-faq .command__input::placeholder {
  color: var(--cold);
}

.page-faq .command__feed {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--cold);
}

/* ---------- 索引区 ---------- */
.page-faq .faq-index {
  margin-top: 52px;
  scroll-margin-top: 96px;
}

.page-faq .sec-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0 0 12px;
}

.page-faq .sec-head__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--paper);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.78), 0 0 22px rgba(201, 162, 39, 0.16);
}

.page-faq .faq-index__lead {
  max-width: 36em;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cold);
}

.page-faq .faq-index__bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__bar a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--cabinet);
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--tfast) ease, background-color var(--tfast) ease;
}

.page-faq .faq-index__bar a:hover,
.page-faq .faq-index__bar a:focus-visible {
  border-color: var(--gold);
  background: var(--card);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-index__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
}

.page-faq .faq-index__count {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(47, 127, 118, 0.18);
  color: var(--jade);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

/* ---------- 图片容器 ---------- */
.page-faq .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-index__figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--cabinet);
}

.page-faq .faq-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--cabinet);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-top: 56px;
  scroll-margin-top: 96px;
}

.page-faq .faq-group__lead {
  max-width: 30em;
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--cold);
}

.page-faq .faq-acc {
  display: grid;
  gap: 10px;
}

.page-faq .acc__item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--card);
  transition: border-color var(--tfast) ease, background-color var(--tfast) ease;
}

.page-faq .acc__item:has(.acc__panel:not([hidden])) {
  border-left-color: var(--gold);
  background: #21212c;
}

.page-faq .acc__trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 16px;
  padding-right: 48px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color var(--tfast) ease;
}

.page-faq .acc__trigger::after {
  content: "+";
  position: absolute;
  top: 13px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .acc__item:has(.acc__panel:not([hidden])) .acc__trigger::after {
  content: "−";
  color: var(--gold-hi);
}

.page-faq .acc__trigger:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .acc__code {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cold);
}

.page-faq .faq-acc__q {
  display: block;
  margin-top: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .acc__panel {
  margin: 0 16px 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.86;
}

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

.page-faq .is-hit {
  border-radius: 2px;
  background: rgba(201, 162, 39, 0.22);
  outline: 1px solid rgba(201, 162, 39, 0.5);
}

/* ---------- 反馈区 ---------- */
.page-faq .faq-help__card {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cinnabar);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(200, 64, 47, 0.08), rgba(20, 20, 28, 0.9));
}

.page-faq .faq-help__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-help__addr {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
  word-break: break-all;
}

.page-faq .copy-btn {
  padding: 5px 12px;
  border: 1px solid var(--jade);
  border-radius: 999px;
  background: transparent;
  color: var(--jade);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: background-color var(--tfast) ease, color var(--tfast) ease;
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: rgba(47, 127, 118, 0.16);
}

.page-faq .copy-btn[data-copied]::after {
  content: " " attr(data-copied);
  color: var(--gold-hi);
}

.page-faq .faq-help__meta,
.page-faq .faq-help__more {
  max-width: 40em;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--cold);
}

.page-faq .faq-help__more a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 127, 118, 0.5);
  transition: color var(--tfast) ease, border-color var(--tfast) ease;
}

.page-faq .faq-help__more a:hover,
.page-faq .faq-help__more a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold);
}

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

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.82;
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--cinnabar);
}

.page-faq .faq-help__card .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-index__bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-help__card {
    padding: 24px;
  }
}

@media (min-width: 1000px) {
  .page-faq {
    padding-block: 40px 120px;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-index__bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-group {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    column-gap: 44px;
    align-items: start;
  }

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

  .page-faq .faq-group .sec-head h2 {
    font-size: 25px;
  }

  .page-faq .acc__trigger {
    padding: 18px 22px;
    padding-right: 54px;
  }

  .page-faq .acc__trigger::after {
    top: 15px;
    right: 22px;
  }

  .page-faq .acc__panel {
    margin: 0 22px 20px;
  }

  .page-faq .faq-figure {
    max-width: 560px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}