.page-faq {
  --faq-radius: 14px;
  --faq-gap: 1.4rem;
  color: var(--ink);
  background: var(--bg);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 1.6rem 0 2.2rem;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 78% at 10% 0%, rgba(38, 240, 206, 0.13), transparent 62%),
    radial-gradient(48% 68% at 92% 12%, rgba(255, 122, 47, 0.12), transparent 64%);
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: clamp(1.75rem, 5.4vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
  max-width: 22ch;
}
.page-faq .faq-hero__lead {
  margin: 0.9rem 0 0;
  max-width: 52ch;
  color: var(--soft);
  font-size: 0.95rem;
  line-height: 1.75;
}
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}
.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.78rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(13, 20, 36, 0.7);
  color: var(--soft);
  font-size: 0.78rem;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--bg);
  background: var(--cy);
  border-color: var(--cy);
}
.page-faq .faq-hero__fig {
  margin: 1.6rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}
.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 主体排布 ---------- */
.page-faq .faq-body {
  padding-top: 1.8rem;
  padding-bottom: 1rem;
}
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: minmax(0, 1fr);
}
.page-faq .faq-toc {
  min-width: 0;
}
.page-faq .faq-toc__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-m);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}
.page-faq .faq-toc__list {
  display: flex;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0 0 0.45rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--soft);
  font-size: 0.84rem;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.page-faq .faq-toc__num {
  font-family: var(--font-m);
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--cy);
}
.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: var(--lift);
  border-color: var(--cy);
  color: var(--ink);
}
.page-faq .faq-main {
  min-width: 0;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 1.3rem 0 1.5rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 1rem);
}
.page-faq .faq-group:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.95rem;
}
.page-faq .faq-group__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.1rem 0.42rem;
  border-radius: 5px;
  background: var(--cy);
  color: var(--bg);
  font-family: var(--font-m);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}
.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.page-faq .faq-group__body {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.5rem;
  min-width: 0;
}
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: inset 3px 0 0 0 transparent;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.page-faq .faq-item[open] {
  background: var(--lift);
  border-color: #2c3f60;
  box-shadow: inset 3px 0 0 0 var(--cy);
}
.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.55;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-m);
  font-size: 1rem;
  line-height: 1.2;
  color: var(--cy);
}
.page-faq .faq-item[open] summary::after {
  content: "−";
}
.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cy);
  outline-offset: -2px;
  border-radius: 10px;
}
.page-faq .faq-item__a {
  padding: 0 1rem 0.9rem;
  color: var(--dim);
  font-size: 0.88rem;
  line-height: 1.78;
}
.page-faq .faq-item__a p {
  margin: 0;
}

/* ---------- 组末入口 ---------- */
.page-faq .faq-group__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.9rem;
  padding-bottom: 1px;
  color: var(--cy);
  font-size: 0.82rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 240, 206, 0.35);
}
.page-faq .faq-group__link::after {
  content: "→";
  font-family: var(--font-m);
}
.page-faq .faq-group__link:hover,
.page-faq .faq-group__link:focus-visible {
  border-bottom-color: var(--cy);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  padding: 0.55rem 0.8rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.74rem;
  line-height: 1.6;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--or);
  border-radius: 10px;
  background: var(--panel);
  display: grid;
  gap: 0.6rem;
}
.page-faq .faq-contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.7rem;
  align-items: baseline;
  font-size: 0.86rem;
}
.page-faq .faq-contact span {
  flex: none;
  min-width: 2.6rem;
  color: var(--dim);
  font-family: var(--font-m);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}
.page-faq .faq-contact a {
  color: var(--cy);
  text-decoration: none;
  word-break: break-all;
}
.page-faq .faq-contact a:hover,
.page-faq .faq-contact a:focus-visible {
  text-decoration: underline;
}
.page-faq .faq-contact em {
  font-style: normal;
  color: var(--soft);
}

/* ---------- 底部快捷入口 ---------- */
.page-faq .faq-tail {
  padding-top: 0.6rem;
  padding-bottom: 2.4rem;
}
.page-faq .faq-tail__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  letter-spacing: -0.015em;
}
.page-faq .faq-quick {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(0, 1fr);
}
.page-faq .faq-quick a {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.22s, border-color 0.22s, transform 0.22s;
}
.page-faq .faq-quick a::before {
  content: "";
  display: block;
  width: 2.2rem;
  height: 2px;
  margin-bottom: 0.45rem;
  border-radius: 2px;
  background: var(--cy);
}
.page-faq .faq-quick a:nth-child(2)::before {
  background: var(--or);
}
.page-faq .faq-quick a:nth-child(3)::before {
  background: var(--grad);
}
.page-faq .faq-quick strong {
  font-family: var(--font-d);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.page-faq .faq-quick span {
  color: var(--dim);
  font-size: 0.82rem;
  line-height: 1.6;
}
.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  background: var(--lift);
  border-color: #33486e;
  transform: translateY(-2px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-item summary {
    padding: 0.95rem 1.1rem;
    font-size: 0.95rem;
  }
  .page-faq .faq-item__a {
    padding: 0 1.1rem 1rem;
    font-size: 0.9rem;
  }
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 2rem 0 2.6rem;
  }
  .page-faq .faq-layout {
    grid-template-columns: 14.5rem minmax(0, 1fr);
    gap: 2.6rem;
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--bar-h) + 1.4rem);
  }
  .page-faq .faq-toc__list {
    display: grid;
    gap: 0.18rem;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-toc__link {
    border-color: transparent;
    background: transparent;
    border-radius: 8px;
    padding: 0.55rem 0.65rem;
    font-size: 0.88rem;
  }
  .page-faq .faq-toc__link:hover,
  .page-faq .faq-toc__link:focus-visible {
    background: var(--lift);
    border-color: var(--line);
  }
  .page-faq .faq-group__title {
    font-size: 1.3rem;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1fr) 15rem;
    gap: 1.4rem;
    align-items: start;
  }
  .page-faq .faq-group--media .faq-figure {
    position: sticky;
    top: calc(var(--bar-h) + 1.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-quick a,
  .page-faq .faq-jump a,
  .page-faq .faq-toc__link {
    transition: none;
  }
  .page-faq .faq-quick a:hover,
  .page-faq .faq-quick a:focus-visible {
    transform: none;
  }
}