/* ==================== FAQ 页面专属样式 ==================== */
.page-faq {
  --faq-accent: var(--orange);
  --faq-line: rgba(255, 255, 255, 0.08);
  --faq-soft-gold: rgba(255, 215, 0, 0.12);
  --faq-soft-orange: rgba(255, 107, 53, 0.12);
  background: var(--bg);
  color: var(--white);
  overflow-x: hidden;
}

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

/* ============ Hero 区域 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 48px;
  background: linear-gradient(135deg, var(--bg-deep), var(--bg-panel) 72%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 107, 53, 0.16), transparent 42%),
    radial-gradient(circle at 58% 55%, rgba(255, 215, 0, 0.08), transparent 38%);
  pointer-events: none;
}

.page-faq .breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: 24px;
  font-size: 0.82rem;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .page-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.page-faq .page-hero__intro {
  max-width: 640px;
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__visual {
  position: relative;
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

/* ============ 双栏主体 ============ */
.page-faq .faq-body {
  padding: 48px 0 72px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 44px;
  align-items: start;
}

/* ============ 侧边分类栏 ============ */
.page-faq .faq-side__title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-side__link {
  display: block;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-panel);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.4;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--gold);
  border-color: var(--border-gold);
}

.page-faq .faq-side__link.is-active {
  color: var(--white);
  background: var(--faq-soft-orange);
  border-color: var(--orange);
}

.page-faq:has(#faq-replay:target, #faq-reports:target, #faq-support:target) .faq-side__link.is-active {
  color: var(--muted);
  background: var(--bg-panel);
  border-color: var(--border);
}

.page-faq:has(#faq-nav-rank:target) .faq-side__link[href="#faq-nav-rank"],
.page-faq:has(#faq-replay:target) .faq-side__link[href="#faq-replay"],
.page-faq:has(#faq-reports:target) .faq-side__link[href="#faq-reports"],
.page-faq:has(#faq-support:target) .faq-side__link[href="#faq-support"] {
  color: var(--white);
  background: var(--faq-soft-orange);
  border-color: var(--orange);
}

.page-faq .faq-side__extra {
  margin: 18px 0;
  padding: 18px;
  background: linear-gradient(135deg, var(--faq-soft-orange), var(--faq-soft-gold));
  border: 1px solid var(--border);
  border-radius: 14px;
}

.page-faq .faq-side__note {
  margin: 0 0 14px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-side__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

/* ============ 问答主区 ============ */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-cat {
  position: relative;
  padding-left: 16px;
  margin-bottom: 48px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--orange), var(--gold));
}

.page-faq .faq-cat__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.page-faq .faq-cat__mark {
  position: relative;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 2px solid var(--orange);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--faq-soft-orange), rgba(255, 215, 0, 0.05));
}

.page-faq .faq-cat__mark-q {
  position: absolute;
  left: 50%;
  top: 47%;
  transform: translate(-50%, -53%);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-cat__mark-num {
  position: absolute;
  right: 3px;
  bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--gold);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-faq .faq-cat__desc {
  margin: 0 0 18px;
  padding-left: 58px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ============ 折叠面板 ============ */
.page-faq .faq-list {
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.05), rgba(255, 255, 255, 0.01));
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 44px 16px 10px;
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--white);
  transition: color var(--transition);
}

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

.page-faq .faq-item__q:hover {
  color: var(--gold);
}

.page-faq .faq-item__text {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-item__num {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--orange);
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.05);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  transition: background var(--transition), color var(--transition);
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 12px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-gold);
  border-radius: 50%;
  color: var(--gold);
  font-size: 1rem;
  line-height: 1;
  transition: transform var(--transition), background var(--transition);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--faq-soft-gold);
}

.page-faq .faq-item[open] .faq-item__num {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--bg);
}

.page-faq .faq-item__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease-out;
}

.page-faq .faq-item[open] .faq-item__a {
  grid-template-rows: 1fr;
}

.page-faq .faq-item__a-inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 16px 18px 56px;
}

.page-faq .faq-item__a-inner p {
  margin: 0 0 10px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-item__a-inner a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

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

/* ============ 桌面端布局 ============ */
@media (min-width: 920px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 56px) 0 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 48px;
  }

  .page-faq .faq-body {
    padding: 72px 0 104px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 4px;
  }

  .page-faq .faq-side__link {
    border-radius: 10px;
  }

  .page-faq .faq-side__img {
    max-height: 220px;
    object-fit: cover;
    object-position: center;
  }

  .page-faq .faq-cat__title {
    font-size: 1.6rem;
  }
}