/* 帮助中心（page-faq）页面专属样式 */
.page-faq {
  background:
    linear-gradient(115deg, transparent 0 62%, rgba(179, 27, 27, .06) 62% 78%, transparent 78%),
    var(--ink);
  color: var(--cream);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  max-width: var(--container);
  margin-inline: auto;
  padding: 1rem 1rem 0;
  font-size: .85rem;
  color: var(--slate);
}

.page-faq .breadcrumbs a {
  color: var(--gold);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  text-decoration: underline;
}

.page-faq .page-head {
  padding: 3.25rem 0 2.25rem;
  background:
    linear-gradient(130deg, rgba(179, 27, 27, .35) 0%, transparent 46%),
    var(--ink);
  border-bottom: 2px solid var(--deep-red);
}

.page-faq .page-title {
  margin: .45rem 0 .9rem;
  font-family: var(--font-head);
  font-size: clamp(1.85rem, 4.6vw, 3.1rem);
  line-height: 1.12;
  color: var(--cream);
  text-shadow:
    0 0 22px rgba(227, 74, 74, .32),
    2px 2px 0 rgba(0, 0, 0, .45);
}

.page-faq .page-intro {
  max-width: 64ch;
  margin: 0;
  color: var(--slate);
  line-height: 1.7;
}

.page-faq .section-label {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .section-label::before {
  content: '';
  width: 26px;
  height: 2px;
  background: currentColor;
}

/* 概览 */
.page-faq .help-overview {
  padding-block: 2rem 1.25rem;
}

.page-faq .help-overview h2 {
  margin: 0 0 1.1rem;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.8vw, 1.6rem);
  color: var(--gold-light);
}

.page-faq .quick-map {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}

.page-faq .quick-card {
  position: relative;
  display: block;
  min-height: 96px;
  padding: 1.2rem 1rem 1.2rem 1.4rem;
  background: var(--deep-red);
  border-left: 5px solid var(--gold);
  color: var(--cream);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.page-faq .quick-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(212, 175, 55, 0) 64%);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--gold-light);
  box-shadow: var(--shadow-lift);
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .quick-num {
  display: block;
  margin-bottom: .4rem;
  font-family: var(--font-head);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--gold-light);
}

.page-faq .quick-card strong {
  display: block;
  margin-bottom: .3rem;
  font-family: var(--font-head);
  font-size: 1.06rem;
  font-weight: 700;
}

.page-faq .quick-card small {
  display: block;
  color: rgba(255, 255, 255, .72);
  font-size: .8rem;
  line-height: 1.45;
}

/* 主网格 */
.page-faq .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  max-width: var(--container);
  margin-inline: auto;
  padding: 2.5rem 1rem 4rem;
}

.page-faq .faq-aside {
  order: -1;
  background: var(--ink-2);
  border: 1px solid rgba(212, 175, 55, .38);
  padding: 1.3rem 1.15rem;
}

.page-faq .faq-aside h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-head);
  font-size: 1.02rem;
  color: var(--gold);
}

.page-faq .faq-aside ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-aside li + li {
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.page-faq .faq-aside a {
  display: block;
  padding: .68rem 0;
  color: var(--cream);
  text-decoration: none;
  transition: padding-left .2s ease, color .2s ease;
}

.page-faq .faq-aside a:hover,
.page-faq .faq-aside a:focus-visible {
  padding-left: .4rem;
  color: var(--gold-light);
  outline: none;
}

.page-faq .aside-note {
  margin: 1.1rem 0 0;
  padding: 1rem .1rem 0;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: .84rem;
  color: var(--slate);
  line-height: 1.6;
}

.page-faq .aside-note a {
  color: var(--gold);
  text-decoration: none;
}

/* 章节 */
.page-faq .faq-section {
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-section + .faq-section {
  margin-top: 3.5rem;
  padding-top: 2.75rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.page-faq .section-head .section-label {
  color: var(--bright-red);
}

.page-faq .section-head h2 {
  margin: .5rem 0 .7rem;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.9vw, 1.9rem);
  line-height: 1.25;
  color: var(--cream);
}

.page-faq .section-desc {
  max-width: 68ch;
  margin: 0 0 1.2rem;
  color: var(--slate);
  line-height: 1.7;
}

/* 手风琴 */
.page-faq .faq-list {
  border-top: 2px solid var(--deep-red);
  border-bottom: 2px solid var(--deep-red);
}

.page-faq .faq-list details {
  background: var(--ink-2);
  border-bottom: 1px solid rgba(112, 128, 144, .25);
}

.page-faq .faq-list details:last-child {
  border-bottom: 0;
}

.page-faq .faq-list summary {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1.05rem 1.2rem;
  background: var(--deep-red);
  color: var(--cream);
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  transition: background .22s ease;
}

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

.page-faq .faq-list summary:hover {
  background: var(--deep-red-dark);
}

.page-faq .faq-list summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-faq .faq-list summary .question-text {
  flex: 1;
  margin: 0;
  font-family: inherit;
  font-size: .98rem;
  font-weight: inherit;
  line-height: 1.45;
  color: inherit;
}

.page-faq .faq-icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
}

.page-faq .faq-icon::before,
.page-faq .faq-icon::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
  transition: transform .22s ease;
}

.page-faq .faq-icon::before {
  width: 10px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-icon::after {
  width: 2px;
  height: 10px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-list details[open] .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-body {
  background: var(--cream);
  color: var(--ink);
  padding: 1.15rem 1.25rem 1.4rem;
  font-size: .95rem;
  line-height: 1.72;
}

.page-faq .faq-body p {
  margin: 0 0 .55rem;
}

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

.page-faq .faq-body strong {
  color: var(--deep-red);
  font-weight: 700;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 1.5rem 0;
  padding: .5rem;
  background: var(--ink);
  border: 1px solid rgba(112, 128, 144, .3);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: linear-gradient(145deg, var(--ink-2) 0%, var(--deep-red-dark) 100%);
}

.page-faq .faq-figure figcaption {
  padding: .55rem .25rem .15rem;
  font-size: .78rem;
  color: var(--slate);
  line-height: 1.45;
}

.page-faq .section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.page-faq .section-grid .faq-figure {
  max-width: 350px;
}

.page-faq #faq-favorites .faq-figure {
  margin-top: 1.75rem;
}

/* CTA */
.page-faq .help-cta {
  margin-top: 3.25rem;
  padding: 1.9rem 1.4rem;
  background: linear-gradient(135deg, var(--deep-red) 0%, var(--ink) 120%);
  border-left: 6px solid var(--gold);
  box-shadow: var(--shadow-soft);
}

.page-faq .help-cta h2 {
  margin: 0 0 .6rem;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.8vw, 1.65rem);
  color: var(--cream);
}

.page-faq .help-cta p {
  max-width: 62ch;
  margin: 0 0 1.2rem;
  color: rgba(255, 255, 255, .82);
  line-height: 1.7;
}

.page-faq .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}

.page-faq .cta-actions .btn {
  text-decoration: none;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .quick-map {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-grid {
    padding-inline: 1.5rem;
  }

  .page-faq .help-cta {
    padding: 2.1rem 2rem;
  }
}

@media (min-width: 960px) {
  .page-faq .quick-map {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-grid {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
    gap: 2.5rem;
    padding-top: 3rem;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 1.5rem;
  }

  .page-faq .section-grid {
    grid-template-columns: minmax(230px, 320px) 1fr;
    gap: 2rem;
  }

  .page-faq .section-grid .faq-figure {
    margin-top: .2rem;
  }

  .page-faq #faq-favorites .faq-figure {
    max-width: 640px;
  }

  .page-faq .faq-section + .faq-section {
    margin-top: 4.5rem;
  }
}