/* ===== FAQ 页面专属样式 ===== */
.page-faq {
  background-color: var(--color-cream);
  background-image:
    linear-gradient(rgba(107, 114, 128, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(107, 114, 128, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* ---- 顶部导引区 ---- */
.page-faq .faq-intro {
  position: relative;
  overflow: hidden;
  padding: 2rem 0 2.4rem;
  background:
    radial-gradient(circle at 80% 10%, rgba(212, 175, 55, 0.22), transparent 36%),
    linear-gradient(120deg, var(--color-deep-purple) 0%, var(--color-purple-smoke) 78%);
}
.page-faq .faq-intro::before {
  content: "";
  position: absolute;
  right: -100px;
  top: 46px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .faq-intro::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -40px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: 32px;
  transform: rotate(18deg);
  pointer-events: none;
}
.page-faq .faq-intro-inner {
  position: relative;
  z-index: 2;
}

.page-faq .breadcrumb {
  margin-bottom: 1.4rem;
  font-size: 0.8rem;
  color: var(--color-gold-light);
}
.page-faq .breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover {
  color: var(--color-gold-light);
}

.page-faq .faq-eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.page-faq .faq-title-row h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.4vw, 2.7rem);
  line-height: 1.22;
  color: var(--color-cream);
}

.page-faq .faq-lead {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-gold-light);
  max-width: 42em;
}
.page-faq .faq-lead strong {
  color: var(--color-gold);
  font-weight: 600;
}

.page-faq .faq-hotline {
  margin-top: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.page-faq .faq-hotline-label {
  font-size: 0.8rem;
  color: var(--color-gold-light);
  font-family: var(--font-mono);
}

/* ---- 筛选栏（玻璃面板） ---- */
.page-faq .faq-filter-panel {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(212, 175, 55, 0.32);
  border-radius: 14px;
  background: rgba(59, 42, 90, 0.42);
  backdrop-filter: blur(10px);
}
.page-faq .faq-filter-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--color-gold);
}
.page-faq .faq-filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-faq .faq-filter-panel .filter-btn {
  background: transparent;
  border: 1px solid rgba(241, 229, 200, 0.22);
  color: var(--color-gold-light);
  padding: 0.38rem 0.8rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-filter-panel .filter-btn:hover,
.page-faq .faq-filter-panel .filter-btn.is-active {
  background: var(--color-gold);
  color: var(--color-deep-purple);
  border-color: var(--color-gold);
}

/* ---- 主体两栏 ---- */
.page-faq .faq-body {
  padding: 1.75rem 0 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

/* ---- 侧栏索引 ---- */
.page-faq .faq-aside {
  order: -1;
}
.page-faq .faq-aside-title {
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-terracotta);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--color-terracotta);
  text-transform: uppercase;
}
.page-faq .faq-aside-nav {
  display: flex;
  overflow-x: auto;
  gap: 0.5rem;
  padding-bottom: 0.15rem;
  scrollbar-width: none;
}
.page-faq .faq-aside-nav::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-aside-nav a {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--color-rock-white);
  border-radius: 999px;
  background: #fff;
  color: var(--color-charcoal);
  font-size: 0.8rem;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.page-faq .faq-aside-nav a span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-terracotta);
  font-weight: 700;
}
.page-faq .faq-aside-nav a:hover {
  border-color: var(--color-gold);
  background: var(--color-gold-light);
}

.page-faq .faq-aside-note {
  margin-top: 1.25rem;
  padding: 1rem 1rem 1.1rem;
  border-radius: 14px;
  background: var(--color-deep-purple);
  color: var(--color-cream);
}
.page-faq .faq-aside-note p {
  margin: 0 0 0.3rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--color-gold-light);
}
.page-faq .faq-aside-note p:first-child {
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}
.page-faq .faq-aside-note .btn {
  margin-top: 0.75rem;
  display: inline-block;
}

/* ---- 主内容与分类 ---- */
.page-faq .faq-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-faq .faq-section {
  padding: 1.4rem 1rem;
  border: 1px solid var(--color-rock-white);
  border-radius: 16px;
  background: #fff;
}
.page-faq .faq-section:nth-child(even) {
  background: rgba(241, 229, 200, 0.35);
  border-color: rgba(107, 114, 128, 0.16);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(107, 114, 128, 0.14);
}
.page-faq .faq-section-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-terracotta);
}
.page-faq .faq-section-head h2 {
  margin: 0 0 0.2rem;
  font-family: var(--font-title);
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--color-charcoal);
}
.page-faq .faq-section-head p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--color-gray);
}

/* ---- 分类配图 ---- */
.page-faq .faq-visual {
  position: relative;
  margin: 0 0 1.2rem;
  border-radius: 14px;
  overflow: hidden;
  background: var(--color-gold-light);
  max-width: 420px;
}
.page-faq .faq-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-visual figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  margin: 0;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  background: rgba(26, 10, 46, 0.82);
  color: var(--color-gold-light);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

/* ---- 手风琴问答 ---- */
.page-faq .faq-stack {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.page-faq .faq-item {
  border: 1px solid var(--color-rock-white);
  border-left: 3px solid transparent;
  border-radius: 12px;
  background: var(--color-cream);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.page-faq .faq-item[open] {
  background: #fff;
  border-left-color: var(--color-gold);
  box-shadow: 0 6px 18px rgba(26, 10, 46, 0.06);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 0.9rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.page-faq .faq-q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-q-index {
  flex-shrink: 0;
  display: inline-block;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  background: rgba(200, 125, 90, 0.14);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-terracotta);
}
.page-faq .faq-q-text {
  flex: 1;
  font-size: 0.85rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-charcoal);
}
.page-faq .faq-q-icon {
  flex-shrink: 0;
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-rock-white);
  background: #fff;
}
.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-purple-smoke);
  border-radius: 2px;
}
.page-faq .faq-q-icon::before {
  width: 10px;
  height: 2px;
  transform: translate(-50%, -50%);
}
.page-faq .faq-q-icon::after {
  width: 2px;
  height: 10px;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.page-faq .faq-item[open] .faq-q-icon {
  border-color: var(--color-gold);
}
.page-faq .faq-item[open] .faq-q-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 0.9rem 0.95rem 2.15rem;
  font-size: 0.83rem;
  line-height: 1.8;
  color: var(--color-gray);
}
.page-faq .faq-a p {
  margin: 0 0 0.5rem;
}
.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-a strong {
  font-weight: 600;
  color: var(--color-blue);
}
.page-faq .faq-a a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-faq .faq-a a:hover {
  color: var(--color-orange);
}

/* ---- 桌面端 ---- */
@media (min-width: 768px) {
  .page-faq .faq-intro {
    padding: 3rem 0 3rem;
  }
  .page-faq .faq-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
  }
  .page-faq .faq-hotline {
    margin-top: 0;
    flex-direction: column;
    align-items: flex-end;
  }
  .page-faq .faq-filter-panel {
    margin-top: 2.2rem;
    padding: 0.9rem 1.2rem;
    gap: 0.9rem 1.2rem;
  }

  .page-faq .faq-body {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 2.5rem;
    padding: 2.75rem 0 4rem;
  }
  .page-faq .faq-aside {
    order: 0;
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }
  .page-faq .faq-aside-nav {
    flex-direction: column;
    overflow: visible;
    gap: 0.4rem;
  }
  .page-faq .faq-aside-nav a {
    border-radius: 12px;
    padding: 0.7rem 0.85rem;
  }

  .page-faq .faq-main {
    gap: 1.5rem;
  }
  .page-faq .faq-section {
    padding: 1.8rem 1.6rem;
  }
  .page-faq .faq-section:nth-child(even) {
    background: rgba(241, 229, 200, 0.4);
    border-color: rgba(107, 114, 128, 0.14);
  }

  .page-faq .faq-section-head {
    gap: 1rem;
    margin-bottom: 1.2rem;
  }
  .page-faq .faq-section-num {
    font-size: 2.2rem;
  }
  .page-faq .faq-section-head h2 {
    font-size: 1.3rem;
  }

  .page-faq .faq-visual {
    max-width: 420px;
    margin-bottom: 1.4rem;
  }

  .page-faq .faq-q {
    padding: 1rem 1.1rem;
  }
  .page-faq .faq-q-text {
    font-size: 0.9rem;
  }
  .page-faq .faq-a {
    padding: 0 1.1rem 1.1rem 2.95rem;
    font-size: 0.88rem;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 3rem;
  }
  .page-faq .faq-lead {
    font-size: 0.95rem;
  }
}