.page-faq {
  display: block;
  background: var(--a8-void);
  color: var(--a8-paper);
}

.page-faq .faq-hero {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(1.75rem, 4vw, 3rem);
  border-bottom: var(--a8-rule);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(53, 241, 222, 0.14), transparent 58%),
    radial-gradient(90% 70% at 4% 96%, rgba(255, 122, 46, 0.12), transparent 60%);
}

.page-faq .faq-hero h1 {
  font-family: var(--a8-font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0.5rem 0 0;
  color: var(--a8-paper);
  max-width: 20ch;
}

.page-faq .faq-lead {
  max-width: 64ch;
  margin: 1.1rem 0 0;
  color: var(--a8-slate);
  font-size: 1rem;
  line-height: 1.78;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  font-size: 0.875rem;
  color: var(--a8-slate);
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
}

.page-faq .faq-hero__meta .a8-num {
  color: var(--a8-cyan);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---------- 布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: 2.25rem;
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(3rem, 7vw, 5rem);
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(190px, 232px) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
  }
}

/* ---------- 左侧场景索引 ---------- */

.page-faq .faq-index {
  border-top: 2px solid var(--a8-cyan);
  padding-top: 0.9rem;
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    position: sticky;
    top: 6.5rem;
  }
}

.page-faq .faq-index__title {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--a8-slate);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

@media (min-width: 900px) {
  .page-faq .faq-index__list {
    display: block;
  }
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--a8-ash);
  color: var(--a8-slate);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.35;
  transition: color var(--a8-dur) var(--a8-ease),
              border-color var(--a8-dur) var(--a8-ease),
              background-color var(--a8-dur) var(--a8-ease),
              transform var(--a8-dur-fast) var(--a8-ease);
}

@media (min-width: 900px) {
  .page-faq .faq-index__list a {
    display: flex;
    width: 100%;
    border-color: transparent;
    border-bottom-color: var(--a8-rule-soft);
    padding: 0.7rem 0.4rem;
  }
}

.page-faq .faq-index__list a .a8-num {
  color: var(--a8-slate);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  transition: color var(--a8-dur) var(--a8-ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--a8-cyan);
  border-color: var(--a8-cyan);
  background: var(--a8-panel);
  transform: translateY(-2px);
}

.page-faq .faq-index__list a:hover .a8-num,
.page-faq .faq-index__list a:focus-visible .a8-num {
  color: var(--a8-cyan);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  margin: 0 0 clamp(2rem, 5vw, 3rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: var(--a8-rule-soft);
  background: var(--a8-panel);
}

.page-faq .faq-group--turf {
  background: linear-gradient(160deg, var(--a8-turf) 0%, var(--a8-panel) 78%);
}

.page-faq .faq-group--indigo {
  background: linear-gradient(160deg, var(--a8-indigo) 0%, var(--a8-panel) 80%);
}

.page-faq .faq-group--oxblood {
  background: linear-gradient(160deg, var(--a8-oxblood) 0%, var(--a8-panel) 82%);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--a8-ash);
}

.page-faq .faq-group__head .a8-tag__no {
  color: var(--a8-cyan);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  flex: none;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--a8-font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--a8-paper);
}

.page-faq .faq-group__intro {
  max-width: 62ch;
  margin: 0.9rem 0 0.5rem;
  color: var(--a8-slate);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ---------- 手风琴条目 ---------- */

.page-faq .faq-item {
  border-bottom: var(--a8-rule-soft);
  padding-left: 0;
  transition: padding-left var(--a8-dur) var(--a8-ease),
              border-color var(--a8-dur) var(--a8-ease);
}

.page-faq .faq-item[open] {
  padding-left: 0.9rem;
  border-left: 2px solid var(--a8-cyan);
  border-bottom-color: transparent;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.05rem 0.25rem;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--a8-paper);
  transition: color var(--a8-dur) var(--a8-ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--a8-font-num);
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--a8-orange);
  transition: color var(--a8-dur) var(--a8-ease);
}

.page-faq .faq-item[open] summary {
  color: var(--a8-cyan);
  padding-bottom: 0.5rem;
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--a8-cyan);
}

.page-faq .faq-item summary:hover {
  color: var(--a8-cyan);
}

.page-faq .faq-answer {
  max-width: 64ch;
  padding: 0 0.25rem 1.25rem;
  color: var(--a8-slate);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-answer p {
  margin: 0 0 0.7rem;
}

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

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  margin: 1.25rem 0 0.5rem;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--a8-rule-soft);
}

.page-faq .faq-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--a8-slate);
}

/* ---------- 客服区块 ---------- */

.page-faq .faq-support {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

@media (min-width: 760px) {
  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }
}

.page-faq .faq-support__list {
  margin: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.7rem 1.1rem;
  align-items: baseline;
}

.page-faq .faq-support__list dt {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--a8-slate);
  white-space: nowrap;
}

.page-faq .faq-support__list dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--a8-paper);
  word-break: break-word;
}

.page-faq .faq-support__list dd a {
  font-family: var(--a8-font-num);
  color: var(--a8-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--a8-ash);
  transition: border-color var(--a8-dur) var(--a8-ease);
}

.page-faq .faq-support__list dd a:hover,
.page-faq .faq-support__list dd a:focus-visible {
  border-bottom-color: var(--a8-cyan);
}

.page-faq .faq-note {
  margin: 0;
  padding: 0.9rem 0 0.9rem 1rem;
  border-left: 2px solid var(--a8-orange);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--a8-slate);
}

/* ---------- 页内指引链接 ---------- */

.page-faq .faq-links {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--a8-ash);
  display: grid;
  gap: 0.55rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--a8-slate);
}

.page-faq .faq-links a {
  color: var(--a8-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--a8-dur) var(--a8-ease);
}

.page-faq .faq-links a:hover,
.page-faq .faq-links a:focus-visible {
  border-bottom-color: var(--a8-cyan);
}

/* ---------- 键盘焦点 ---------- */

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--a8-cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .faq-item,
  .page-faq .faq-item summary::after {
    transition: none;
  }
  .page-faq .faq-index__list a:hover {
    transform: none;
  }
}