.page-faq {
  --faq-gap: clamp(1rem, 2.4vw, 1.75rem);
  --faq-text: #B6C2BB;
  --faq-paper-text: #3B423E;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1.75rem, 4.5vw, 3.25rem) clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(
    115deg,
    rgba(198, 242, 78, 0.05) 0 2px,
    transparent 2px 28px
  );
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.page-faq .faq-hero__inner {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-hero .breadcrumb {
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero .breadcrumb span[aria-hidden] {
  margin-inline: 0.45rem;
  opacity: 0.5;
}

.page-faq .faq-hero .eyebrow {
  margin-top: clamp(1.1rem, 3vw, 1.9rem);
}

.page-faq .faq-hero__title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-64);
  line-height: 1.04;
  letter-spacing: -0.005em;
  color: var(--paper);
  max-width: 22ch;
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: clamp(0.9rem, 2.2vw, 1.35rem) 0 0;
  max-width: 40rem;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--faq-text);
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index {
  margin-top: clamp(1.3rem, 3.4vw, 2.1rem);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper-2);
  font-size: var(--fs-14);
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
  background-color: rgba(198, 242, 78, 0.09);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--lime-d);
  letter-spacing: 0.06em;
}

/* ---------- 首屏主图 ---------- */
.page-faq .faq-hero__media {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--char);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-faq .faq-hero__media .media__caption {
  padding: 0.7rem clamp(0.85rem, 2.4vw, 1.35rem) 0.85rem;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--faq-text);
  border-top: 1px solid var(--line);
}

/* ---------- 分组外壳 ---------- */
.page-faq .faq-group {
  padding-block: clamp(1.4rem, 3.6vw, 2.4rem);
}

.page-faq .faq-group + .faq-group::before {
  content: "";
  display: block;
  height: 1px;
  max-width: var(--shell);
  margin: 0 auto clamp(1.4rem, 3.6vw, 2.4rem);
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-faq .faq-group__panel {
  border-radius: var(--radius);
  padding: clamp(1.15rem, 3vw, 2.15rem);
}

.page-faq .faq-group__panel--deep {
  background-color: var(--char);
  border: 1px solid var(--line);
}

.page-faq .faq-group__head {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: clamp(1rem, 2.6vw, 1.75rem);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-40);
  line-height: 1.12;
  letter-spacing: 0.005em;
  color: var(--paper);
}

.page-faq .faq-group__intro {
  margin: 0.45rem 0 0;
  max-width: 40rem;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--faq-text);
}

/* ---------- 分组正文栅格 ---------- */
.page-faq .faq-group__body {
  display: grid;
  gap: var(--faq-gap);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 3px;
  border-radius: 2px;
  background-color: var(--lime);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.page-faq .faq-item[open]::before {
  opacity: 1;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.95rem 0.35rem 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: var(--fs-20);
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--lime);
  outline: none;
}

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--lime);
}

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

.page-faq .faq-item__a {
  padding: 0 1.5rem 1.2rem 1.05rem;
  max-width: 40rem;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--faq-text);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.6rem;
}

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

.page-faq .faq-item__a a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--paper);
  outline: none;
}

/* 关键数字行 */
.page-faq .faq-kv {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  margin: 0.35rem 0 0.75rem;
  padding: 0.55rem 0.9rem;
  border-left: 2px solid var(--lime-d);
  background-color: rgba(198, 242, 78, 0.06);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.03em;
  color: var(--lime);
}

/* ---------- 侧栏图 ---------- */
.page-faq .faq-group__aside {
  min-width: 0;
}

.page-faq .faq-aside__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--ink);
}

.page-faq .faq-aside__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-aside__media .media__caption {
  padding: 0.65rem 0.95rem 0.8rem;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--faq-text);
  border-top: 1px solid var(--line);
}

/* ---------- 纸面面板适配 ---------- */
.page-faq .panel--paper .faq-group__title,
.page-faq .panel--paper .faq-outro__title {
  color: var(--ink-text);
}

.page-faq .panel--paper .faq-group__num {
  color: var(--lime-d);
}

.page-faq .panel--paper .faq-group__intro,
.page-faq .panel--paper .faq-item__a {
  color: var(--faq-paper-text);
}

.page-faq .panel--paper .faq-item,
.page-faq .panel--paper .faq-item:first-child {
  border-color: rgba(27, 33, 30, 0.16);
}

.page-faq .panel--paper .faq-item::before {
  background-color: var(--lime-d);
}

.page-faq .panel--paper .faq-item__q {
  color: var(--ink-text);
}

.page-faq .panel--paper .faq-item__q:hover,
.page-faq .panel--paper .faq-item__q:focus-visible {
  color: #4a6a10;
}

.page-faq .panel--paper .faq-item__q::after {
  color: var(--lime-d);
}

.page-faq .panel--paper .faq-item__a a {
  color: #4a6a10;
}

.page-faq .panel--paper .faq-item__a a:hover,
.page-faq .panel--paper .faq-item__a a:focus-visible {
  color: var(--ink-text);
}

/* ---------- 结尾联系面板 ---------- */
.page-faq .faq-outro {
  padding-block: clamp(1.6rem, 4vw, 2.6rem) clamp(3rem, 7vw, 5rem);
}

.page-faq .faq-outro__panel {
  border-radius: var(--radius);
  padding: clamp(1.35rem, 3.6vw, 2.6rem);
}

.page-faq .faq-outro__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-40);
  line-height: 1.14;
  color: var(--ink-text);
  max-width: 24ch;
}

.page-faq .faq-outro__text {
  margin: 0.9rem 0 0;
  max-width: 40rem;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--faq-paper-text);
}

.page-faq .faq-outro__contact {
  display: grid;
  gap: 0.7rem;
  margin: clamp(1.3rem, 3vw, 1.9rem) 0 0;
  padding: clamp(0.95rem, 2.4vw, 1.35rem) clamp(1rem, 2.6vw, 1.5rem);
  border: 1px solid rgba(27, 33, 30, 0.18);
  border-left: 3px solid var(--lime-d);
  border-radius: var(--radius-sm);
  background-color: rgba(217, 205, 182, 0.4);
}

.page-faq .faq-outro__contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  align-items: baseline;
}

.page-faq .faq-outro__label {
  flex: 0 0 auto;
  min-width: 5rem;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: #6B736D;
}

.page-faq .faq-outro__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-text);
  word-break: break-word;
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.3rem, 3vw, 1.8rem);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-group__head {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.15rem;
  }

  .page-faq .faq-group__num {
    flex: 0 0 auto;
    line-height: 1.05;
    padding-top: 0.1rem;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-group__body--split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__title {
    max-width: 19ch;
  }

  .page-faq .faq-item__a {
    padding-right: 3rem;
  }
}

@media (max-width: 599px) {
  .page-faq .faq-index__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    scrollbar-width: thin;
  }

  .page-faq .faq-index__link {
    flex: 0 0 auto;
  }

  .page-faq .faq-item__q {
    font-size: var(--fs-16);
    padding-left: 0.85rem;
  }

  .page-faq .faq-item__a {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .page-faq .faq-outro__contact-row {
    flex-direction: column;
    gap: 0.2rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item::before,
  .page-faq .faq-item__q,
  .page-faq .faq-index__link {
    transition: none;
  }
}