.page-faq {
  --faq-gap: clamp(2.75rem, 6vw, 4.5rem);
  background-color: var(--aob-c-rice);
  color: var(--aob-c-ink);
  font-family: var(--aob-font-body);
  line-height: 1.6;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---- 顶部深蓝索引区 ---- */
.page-faq .faq-head {
  position: relative;
  overflow: hidden;
  background-color: var(--aob-c-primary);
  background-image:
    linear-gradient(var(--aob-c-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--aob-c-line) 1px, transparent 1px);
  background-size: 36px 36px;
  color: #fff;
  padding: 1.75rem 0 2.2rem;
  border-bottom: 4px solid var(--aob-c-gold);
}

.page-faq .faq-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 0.9rem;
  font-family: var(--aob-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--aob-c-muted);
}

.page-faq .faq-head__meta span::before {
  content: "//";
  color: var(--aob-c-gold);
  margin-right: 0.4rem;
}

.page-faq .faq-head__grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
  align-items: end;
}

.page-faq .faq-head h1 {
  font-family: var(--aob-font-head);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.16;
  margin: 0.85rem 0 0;
  max-width: 15em;
  letter-spacing: -0.01em;
}

.page-faq .faq-head__desc {
  max-width: 62ch;
  margin: 1.1rem 0 0;
  font-size: 1.0625rem;
  color: rgba(247, 243, 235, 0.82);
}

/* ---- 搜索框 ---- */
.page-faq .faq-search {
  width: 100%;
  max-width: 420px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--aob-font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--aob-c-gold);
}

.page-faq .faq-search__input {
  display: block;
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(201, 160, 99, 0.45);
  border-radius: 0;
  color: #fff;
  font-family: var(--aob-font-body);
  font-size: 1rem;
  appearance: none;
  -webkit-appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: var(--aob-c-muted);
}

.page-faq .faq-search__input:focus {
  outline: 2px solid var(--aob-c-gold);
  outline-offset: 1px;
  background: rgba(255, 255, 255, 0.12);
}

@media (min-width: 760px) {
  .page-faq .faq-head {
    padding: 3rem 0 3rem;
  }

  .page-faq .faq-head__grid {
    grid-template-columns: 1.5fr 0.8fr;
  }

  .page-faq .faq-search {
    justify-self: end;
  }
}

/* ---- 主体布局 ---- */
.page-faq .faq-body {
  display: grid;
  gap: 2.4rem;
  padding: 2.4rem 0 3.5rem;
}

@media (min-width: 920px) {
  .page-faq .faq-body {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: start;
    padding: 3rem 0 4.5rem;
  }
}

/* ---- 左侧索引 ---- */
.page-faq .faq-index__title {
  margin: 0 0 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--aob-c-line);
  font-family: var(--aob-font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--aob-c-rock);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid rgba(201, 160, 99, 0.28);
  font-family: var(--aob-font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--aob-c-primary);
  text-decoration: none;
  transition: border-color 0.18s var(--aob-ease), color 0.18s var(--aob-ease);
}

.page-faq .faq-index__list a:hover {
  border-color: var(--aob-c-gold);
  color: var(--aob-c-orange);
}

.page-faq .faq-index__list span {
  font-family: var(--aob-font-mono);
  font-size: 0.72rem;
  color: var(--aob-c-gold);
}

@media (min-width: 920px) {
  .page-faq .faq-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
  }

  .page-faq .faq-index__list a {
    display: flex;
    width: 100%;
    padding: 0.65rem 0;
    border: 0;
    border-bottom: 1px dashed rgba(201, 160, 99, 0.22);
  }

  .page-faq .faq-index__list a:hover {
    border-color: var(--aob-c-gold);
  }
}

/* ---- 问题分区 ---- */
.page-faq .faq-section {
  margin-bottom: var(--faq-gap);
}

.page-faq .faq-section__head {
  margin: 0 0 1.4rem;
  padding: 0.2rem 0 0.7rem 0.9rem;
  border-left: 3px solid var(--aob-c-gold);
}

.page-faq .faq-section__head h2 {
  margin: 0 0 0.3rem;
  font-family: var(--aob-font-head);
  font-size: 1.5rem;
  color: var(--aob-c-primary);
}

.page-faq .faq-section__head p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--aob-c-rock);
}

/* ---- 插图 ---- */
.page-faq .faq-section .aob-figure {
  margin: 1.2rem 0 1.7rem;
  border: 1px solid var(--aob-c-line);
  background: rgba(247, 243, 235, 0.5);
}

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

.page-faq .aob-figure__caption {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  border-top: 1px solid var(--aob-c-line);
  font-family: var(--aob-font-head);
  font-size: 0.78rem;
  color: var(--aob-c-rock);
}

.page-faq .aob-figure__caption::before {
  content: "◆";
  font-size: 0.6rem;
  color: var(--aob-c-gold);
}

/* ---- 折叠回答 ---- */
.page-faq .faq-item {
  margin: 0;
  border-bottom: 1px solid var(--aob-c-line);
}

.page-faq .faq-item:first-of-type {
  border-top: 1px solid var(--aob-c-line);
}

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1.05rem 0.25rem 1.05rem 0.35rem;
  font-family: var(--aob-font-head);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--aob-c-primary);
  transition: color 0.18s var(--aob-ease);
}

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

.page-faq .faq-item__q::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--aob-font-mono);
  font-size: 1.15rem;
  color: var(--aob-c-orange);
  transition: transform 0.18s var(--aob-ease);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  transform: rotate(45deg);
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item[open] > .faq-item__q {
  color: var(--aob-c-orange);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--aob-c-gold);
  outline-offset: 2px;
}

.page-faq .faq-item__a {
  max-width: 70ch;
  padding: 0 0 1.35rem 0.8rem;
  margin-left: 0.2rem;
  border-left: 2px solid rgba(201, 160, 99, 0.35);
  color: var(--aob-c-rock);
  font-size: 0.9725rem;
  line-height: 1.65;
}

.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 strong {
  color: var(--aob-c-ink);
  font-weight: 700;
}

.page-faq .faq-item__a a {
  color: var(--aob-c-primary);
  text-decoration: underline;
  text-decoration-color: var(--aob-c-gold);
  text-underline-offset: 2px;
}

.page-faq .faq-item__a a:hover {
  color: var(--aob-c-orange);
}

.page-faq .faq-item__a ol {
  counter-reset: faqStep;
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-item__a ol li {
  counter-increment: faqStep;
  position: relative;
  margin-top: 0.55rem;
  padding-left: 2rem;
  font-family: var(--aob-font-mono);
  font-size: 0.885rem;
  line-height: 1.5;
}

.page-faq .faq-item__a ol li::before {
  content: counter(faqStep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.14rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.3rem;
  height: 1.3rem;
  font-family: var(--aob-font-mono);
  font-size: 0.72rem;
  color: var(--aob-c-gold);
  border: 1px solid var(--aob-c-gold);
}

/* ---- 更多帮助 ---- */
.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  align-items: center;
  margin-top: 3rem;
  padding: 1.2rem 1.4rem;
  background: rgba(201, 160, 99, 0.08);
  border-left: 3px solid var(--aob-c-orange);
  font-size: 0.96rem;
  color: var(--aob-c-rock);
}

.page-faq .faq-more p {
  margin: 0;
}

.page-faq .faq-more a {
  font-family: var(--aob-font-head);
  font-weight: 600;
  color: var(--aob-c-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--aob-c-gold);
}

.page-faq .faq-more a:hover {
  color: var(--aob-c-orange);
}