.page-faq {
  --faq-line: rgba(0, 212, 255, .08);
  --faq-glow-gold: radial-gradient(circle at 70% 10%, rgba(255, 169, 64, .12), transparent 42%);
  --faq-panel-radius: 16px;
}
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 40px;
  background:
    radial-gradient(ellipse at 90% 0%, rgba(0, 212, 255, .14), transparent 50%),
    linear-gradient(180deg, rgba(10, 14, 35, .65), transparent 75%);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 85%);
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  pointer-events: none;
}
.page-faq .hero-inner {
  position: relative;
  display: grid;
  gap: 30px;
  align-items: center;
}
.page-faq .hero-copy h1 {
  font-family: var(--ng-font-head);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: .01em;
  margin: 14px 0 14px;
  color: var(--ng-text-primary);
}
.page-faq .hero-sub {
  max-width: 36em;
  margin: 0;
  color: var(--ng-text-secondary);
  font-size: 1rem;
  line-height: 1.85;
}
.page-faq .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-faq .hero-frame {
  position: relative;
  background:
    linear-gradient(140deg, rgba(0, 212, 255, .12), rgba(255, 169, 64, .08)),
    var(--ng-bg-card);
  border: 1.5px solid var(--ng-border);
  border-radius: var(--ng-radius);
  box-shadow: var(--ng-shadow);
  overflow: hidden;
}
.page-faq .hero-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
@media (min-width: 820px) {
  .page-faq .faq-hero {
    padding: 48px 0 64px;
  }
  .page-faq .hero-inner {
    grid-template-columns: minmax(0, 6fr) minmax(260px, 4fr);
    gap: 40px;
  }
  .page-faq .hero-frame {
    max-width: 380px;
    margin-left: auto;
  }
}
.page-faq .faq-index {
  padding: 38px 0 44px;
}
.page-faq .section-lead {
  max-width: 42em;
  margin: 12px 0 20px;
  color: var(--ng-text-secondary);
  font-size: .94rem;
  line-height: 1.8;
}
.page-faq .index-layout {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}
.page-faq .index-main {
  min-width: 0;
}
.page-faq .search-dock {
  margin-bottom: 18px;
  background: var(--ng-bg-card);
  border: 1px solid var(--ng-border);
  border-radius: var(--ng-radius);
  box-shadow: var(--ng-shadow-sm);
}
.page-faq .dock-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
}
.page-faq .dock-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--ng-accent-cyan);
}
.page-faq .dock-label {
  flex: 1 1 160px;
  font-size: .9rem;
  color: var(--ng-text-secondary);
  line-height: 1.6;
}
.page-faq .dock-trigger {
  flex: 0 0 auto;
}
.page-faq .dock-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 2px 16px 16px;
}
.page-faq .dock-keywords a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--ng-border);
  border-radius: 999px;
  background: rgba(0, 212, 255, .06);
  color: var(--ng-accent-cyan);
  font-size: .82rem;
  line-height: 1;
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease;
}
.page-faq .dock-keywords a:hover {
  border-color: var(--ng-accent-cyan);
  background: rgba(0, 212, 255, .12);
}
.page-faq .index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.page-faq .index-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 18px 16px 16px;
  background: var(--ng-bg-card);
  border: 1.5px solid var(--ng-border);
  border-radius: 14px;
  box-shadow: var(--ng-shadow-sm);
  color: var(--ng-text-primary);
  text-decoration: none;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.page-faq .index-card::after {
  content: "";
  position: absolute;
  right: -40%;
  bottom: -45%;
  width: 75%;
  height: 80%;
  background: radial-gradient(circle, rgba(0, 212, 255, .14), transparent 68%);
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
}
.page-faq .index-card:hover,
.page-faq .index-card:focus-visible {
  border-color: rgba(0, 212, 255, .6);
  box-shadow: var(--ng-shadow);
  transform: translateY(-3px);
}
.page-faq .index-card:hover::after,
.page-faq .index-card:focus-visible::after {
  opacity: 1;
}
.page-faq .index-num {
  font-family: var(--ng-font-num);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--ng-accent-cyan);
}
.page-faq .index-name {
  margin-top: 10px;
  font-size: 1.05rem;
  font-weight: 700;
}
.page-faq .index-tip {
  margin-top: 6px;
  font-size: .78rem;
  color: var(--ng-text-secondary);
  line-height: 1.5;
}
.page-faq .index-arrow {
  margin-top: auto;
  padding-top: 14px;
  color: var(--ng-accent-gold);
  font-size: 1.15rem;
  font-family: var(--ng-font-num);
}
.page-faq .index-aside {
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 169, 64, .14), transparent 52%),
    var(--ng-bg-card);
  border: 1.5px solid var(--ng-border);
  border-radius: var(--ng-radius);
  box-shadow: var(--ng-shadow-sm);
  padding: 18px;
  text-align: center;
}
.page-faq .index-icon-art {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
  margin: 0 auto;
  border-radius: 12px;
  object-fit: contain;
}
.page-faq .aside-note {
  margin: 14px 0 0;
  color: var(--ng-text-secondary);
  font-size: .82rem;
  line-height: 1.7;
}
@media (min-width: 700px) {
  .page-faq .index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (min-width: 900px) {
  .page-faq .index-layout {
    grid-template-columns: minmax(0, 1fr) 230px;
    align-items: start;
  }
  .page-faq .index-aside {
    position: sticky;
    top: calc(var(--ng-header-h) + 24px);
  }
}
.page-faq .faq-section {
  padding: 40px 0 44px;
  border-top: 1px solid var(--ng-border);
}
.page-faq .faq-list {
  display: grid;
  gap: 14px;
}
.page-faq .faq-panel {
  background: var(--ng-bg-card);
  border: 1.5px solid var(--ng-border);
  border-radius: var(--faq-panel-radius);
  box-shadow: var(--ng-shadow-sm);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.page-faq .faq-panel:hover,
.page-faq .faq-panel:focus-within {
  border-color: rgba(0, 212, 255, .5);
  box-shadow: var(--ng-shadow);
}
.page-faq .faq-panel > button {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 18px;
  background: transparent;
  border: none;
  text-align: left;
  color: var(--ng-text-primary);
  font-family: var(--ng-font-body);
  font-size: .96rem;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
}
.page-faq .faq-index-num {
  flex: 0 0 auto;
  font-family: var(--ng-font-num);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--ng-accent-cyan);
  border: 1px solid var(--ng-border);
  border-radius: 6px;
  padding: 4px 6px;
  margin-top: 2px;
}
.page-faq .faq-q {
  flex: 1;
  min-width: 0;
}
.page-faq .faq-q-mark {
  flex: 0 0 auto;
  color: var(--ng-accent-cyan);
  font-family: var(--ng-font-num);
  font-size: 1.2rem;
  line-height: 1;
  transition: transform .25s ease;
}
.page-faq .faq-panel > button[aria-expanded="true"] .faq-q-mark {
  transform: rotate(45deg);
}
.page-faq .faq-a {
  margin: 0;
  color: var(--ng-text-secondary);
  font-size: .93rem;
  line-height: 1.85;
}
.page-faq .faq-a a {
  color: var(--ng-accent-cyan);
  text-decoration: none;
}
.page-faq .faq-a a:hover {
  text-decoration: underline;
}
.page-faq .section-extra {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 22px;
}
.page-faq .extra-text {
  max-width: 32em;
  color: var(--ng-text-secondary);
  font-size: .86rem;
  line-height: 1.7;
}
.page-faq .support-grid {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}
@media (min-width: 640px) {
  .page-faq .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1080px) {
  .page-faq .support-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-faq .support-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px;
  background: linear-gradient(170deg, rgba(255, 169, 64, .1), rgba(255, 106, 61, .02) 55%), var(--ng-bg-card);
  border: 1.5px solid var(--ng-border);
  border-radius: var(--ng-radius);
  box-shadow: var(--ng-shadow-sm);
}
.page-faq .support-label {
  font-family: var(--ng-font-num);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--ng-accent-gold);
}
.page-faq .support-value {
  color: var(--ng-text-primary);
  font-size: .98rem;
  line-height: 1.65;
  word-break: break-word;
}
.page-faq .support-hint {
  color: var(--ng-text-secondary);
  font-size: .82rem;
  line-height: 1.7;
}
.page-faq .support-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--ng-warning);
  border-radius: 0 12px 12px 0;
  background: rgba(255, 209, 102, .07);
  color: var(--ng-text-secondary);
  font-size: .87rem;
  line-height: 1.8;
}
.page-faq .support-note a {
  color: var(--ng-accent-cyan);
  text-decoration: none;
}
.page-faq .support-note a:hover {
  text-decoration: underline;
}