.page-faq {
  --faq-gold-line: rgba(232, 184, 75, 0.38);
  --faq-thin-line: rgba(245, 247, 250, 0.09);
  --faq-dot-line: rgba(245, 247, 250, 0.05);
  background: var(--c-deep);
  scroll-behavior: smooth;
}

/* ===== 英雄横幅 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 2rem 0 3rem;
  background: var(--grad-stellar);
  border-bottom: 1px solid var(--faq-gold-line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--faq-thin-line) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-breadcrumb {
  margin-bottom: 2.25rem;
}

.page-faq .faq-hero-copy {
  max-width: 760px;
}

.page-faq .faq-hero-title {
  font-family: var(--font-display);
  font-size: var(--t-h1);
  line-height: var(--lh-heading);
  margin: 0.875rem 0 1.25rem;
  letter-spacing: -0.02em;
  color: var(--c-pearl);
}

.page-faq .faq-hero-lead {
  color: var(--c-moon);
  font-size: 1.125rem;
  line-height: var(--lh-body);
  max-width: 640px;
  margin-bottom: 1.875rem;
}

.page-faq .faq-hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--faq-thin-line);
}

.page-faq .faq-hero-metric {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--c-moon);
}

.page-faq .faq-hero-metric b {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--c-gold);
  font-weight: 600;
  line-height: 1;
}

.page-faq .faq-hero-media {
  position: relative;
  margin-top: 3rem;
  padding: 0.875rem 0;
  border-top: 1px solid var(--faq-gold-line);
  border-bottom: 1px solid var(--faq-gold-line);
}

.page-faq .faq-hero-media::before,
.page-faq .faq-hero-media::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--c-gold);
  border-style: solid;
  pointer-events: none;
}

.page-faq .faq-hero-media::before {
  top: 0;
  left: 0;
  border-width: 2px 0 0 2px;
}

.page-faq .faq-hero-media::after {
  bottom: 0;
  right: 0;
  border-width: 0 2px 2px 0;
}

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

/* ===== 主体布局 ===== */
.page-faq .faq-main {
  padding: 3rem 0 5rem;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* ===== 目录索引 ===== */
.page-faq .faq-index {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 1.25rem;
  background: var(--c-nebula);
  border: 1px solid var(--faq-gold-line);
}

.page-faq .faq-index-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.page-faq .faq-index-code {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  text-transform: uppercase;
}

.page-faq .faq-index-title {
  font-size: 0.8125rem;
  color: var(--c-moon);
  letter-spacing: 0.06em;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--c-pearl);
  font-size: 0.9375rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--faq-gold-line);
  background: var(--c-galaxy);
  outline: none;
}

.page-faq .faq-index-no {
  font-family: var(--font-display);
  color: var(--c-gold);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.page-faq .faq-index-name {
  font-weight: 500;
}

.page-faq .faq-index-note {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  color: var(--c-moon);
  margin: 0.5rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--faq-thin-line);
}

/* ===== 内容面板 ===== */
.page-faq .faq-content {
  display: grid;
  gap: 4.5rem;
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 7rem;
  min-width: 0;
}

.page-faq .faq-section:target {
  box-shadow: inset 3px 0 0 0 var(--c-gold);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.875rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--faq-gold-line);
}

.page-faq .faq-section-no {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-gold);
  letter-spacing: 0.04em;
}

.page-faq .faq-section-title {
  font-family: var(--font-display);
  font-size: var(--t-h2);
  line-height: var(--lh-heading);
  margin: 0;
  color: var(--c-pearl);
}

.page-faq .faq-section-desc {
  color: var(--c-moon);
  line-height: var(--lh-body);
  margin: 0 0 2rem;
  max-width: 660px;
}

/* ===== 收藏记录板块 ===== */
.page-faq .faq-collect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--faq-gold-line);
  background: var(--c-nebula);
  align-self: start;
  min-width: 0;
}

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

/* ===== 问答卡片 ===== */
.page-faq .faq-card-stack {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.page-faq .faq-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  min-width: 0;
}

.page-faq .faq-card {
  border: 1px solid var(--faq-thin-line);
  background: var(--c-nebula);
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-faq .faq-card:hover {
  border-color: var(--faq-gold-line);
  background: var(--c-galaxy);
}

.page-faq .faq-details {
  width: 100%;
}

.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-question::marker {
  content: none;
}

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

.page-faq .faq-qno {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--c-gold);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  min-width: 1.75rem;
}

.page-faq .faq-qtext {
  flex: 1;
  font-weight: 500;
  color: var(--c-pearl);
  line-height: 1.5;
}

.page-faq .faq-qmark {
  font-family: var(--font-display);
  font-size: 1.375rem;
  color: var(--c-gold);
  flex-shrink: 0;
  line-height: 1;
  transition: transform var(--dur) var(--ease-out);
}

.page-faq .faq-details[open] .faq-qmark {
  transform: rotate(45deg);
}

.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem 3.25rem;
  color: var(--c-moon);
  line-height: var(--lh-body);
  font-size: 0.9375rem;
}

.page-faq .faq-answer p {
  margin: 0 0 0.75rem;
}

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

.page-faq .faq-answer-links {
  margin-top: 0.875rem;
}

.page-faq .faq-answer-link {
  color: var(--c-gold-soft);
  text-decoration: none;
  font-size: 0.875rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out);
}

.page-faq .faq-answer-link:hover {
  border-color: var(--c-gold-soft);
}

/* ===== 联系支持面板 ===== */
.page-faq .faq-contact-panel {
  position: relative;
  border: 1px solid var(--faq-gold-line);
  background: var(--grad-stellar);
  padding: 1.75rem;
}

.page-faq .faq-contact-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3.5rem;
  height: 3px;
  background: var(--c-gold);
}

.page-faq .faq-contact-desc {
  color: var(--c-pearl);
  line-height: var(--lh-body);
  max-width: 640px;
  margin: 0 0 1.5rem;
}

.page-faq .faq-contact-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-contact-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--faq-thin-line);
}

.page-faq .faq-contact-label {
  font-size: 0.8125rem;
  color: var(--c-moon);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-faq .faq-contact-value {
  color: var(--c-pearl);
  font-weight: 500;
  font-size: 0.9375rem;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

/* ===== 响应式：平屏适配 ===== */
@media (min-width: 640px) {
  .page-faq .faq-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact-item {
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* ===== 响应式：桌面适配 ===== */
@media (min-width: 1080px) {
  .page-faq .faq-hero {
    padding: 3rem 0 4rem;
  }

  .page-faq .faq-main {
    padding: 4rem 0 6rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 4rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 7rem;
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .page-faq .faq-index-head {
    margin-bottom: 0.5rem;
  }

  .page-faq .faq-index-link {
    width: 100%;
    padding: 0.625rem 0.75rem;
  }

  .page-faq .faq-collect-grid {
    grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-faq .faq-content {
    gap: 5.5rem;
  }
}