.page-faq {
  --faq-line: rgba(0, 225, 241, .42);
  --faq-purple-soft: rgba(122, 77, 255, .16);
  --faq-radius: 22px;
  background:
    radial-gradient(900px 420px at 85% -5%, rgba(122, 77, 255, .16), transparent 65%),
    linear-gradient(180deg, #081120 0%, var(--bg-deep) 320px);
  background-repeat: no-repeat;
  color: var(--text-light);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

.page-faq .faq-hero {
  position: relative;
  padding: 48px 0 36px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(122, 77, 255, .12), transparent 42%),
    radial-gradient(520px 200px at 15% 90%, rgba(0, 225, 241, .08), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -90px;
  right: -110px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(122, 77, 255, .3);
  border-radius: 50%;
  box-shadow: 0 0 0 26px rgba(122, 77, 255, .05);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-faq .faq-hero-copy {
  max-width: 820px;
}

.page-faq .faq-hero-copy h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--text-light);
}

.page-faq .faq-hero-sub {
  margin: 0;
  max-width: 640px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  padding: 10px 16px;
  max-width: 640px;
  background: var(--surface-glass);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.page-faq .faq-search:focus-within {
  border-color: var(--faq-line);
  background: var(--surface-glass-strong);
  box-shadow: 0 0 0 4px rgba(0, 225, 241, .12);
}

.page-faq .faq-search-icon {
  display: inline-flex;
  color: var(--cyan);
  flex-shrink: 0;
}

.page-faq .faq-search-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  color: var(--text-light);
  font: inherit;
  font-size: 15px;
  outline: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--text-dim);
  opacity: 1;
}

.page-faq .faq-search-hint {
  display: none;
  flex-shrink: 0;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: .02em;
}

.page-faq .faq-hot-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-top: 14px;
}

.page-faq .faq-hot-label {
  color: var(--text-dim);
  font-size: 13px;
}

.page-faq .faq-hot-link {
  color: var(--text-light);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  text-decoration: none;
  transition: color .3s, border-color .3s, transform .3s ease, background .3s;
}

.page-faq .faq-hot-link:hover {
  color: var(--cyan);
  border-color: var(--faq-line);
  background: rgba(0, 225, 241, .08);
  transform: translateY(-2px);
}

.page-faq .faq-device-figure {
  margin: 30px 0 0;
  text-align: center;
}

.page-faq .faq-device-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 22px 48px rgba(3, 10, 20, .5);
}

.page-faq .faq-device-figure figcaption {
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-faq .faq-body {
  padding-bottom: 40px;
}

.page-faq .faq-overview {
  margin: 44px 0 36px;
}

.page-faq .faq-overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.page-faq .faq-cat-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--surface-glass);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  color: var(--text-light);
  font-size: 14px;
  text-decoration: none;
  transition: transform .3s var(--ease-out), border-color .3s, background .3s;
}

.page-faq .faq-cat-chip:hover {
  transform: translateY(-3px);
  border-color: rgba(122, 77, 255, .55);
  background: rgba(122, 77, 255, .12);
}

.page-faq .faq-cat-chip-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--purple);
}

.page-faq .faq-panels {
  position: relative;
  overflow: hidden;
  padding: 4px 4px 8px;
}

.page-faq .faq-watermark {
  position: absolute;
  top: 30px;
  right: -28px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  opacity: .16;
  pointer-events: none;
}

.page-faq .faq-section {
  display: flex;
  gap: 14px;
  margin-bottom: 42px;
}

.page-faq .faq-section-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  gap: 10px;
}

.page-faq .faq-section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  color: var(--cyan);
  background: linear-gradient(135deg, rgba(122, 77, 255, .2), rgba(0, 225, 241, .1));
  border: 1px solid rgba(122, 77, 255, .32);
}

.page-faq .faq-section-index {
  display: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--faq-line);
}

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

.page-faq .faq-section-head {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text-light);
}

.page-faq .faq-section-head p {
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-section-head p a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .faq-section-head p a:hover {
  text-decoration: underline;
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--surface-glass);
  border: 1px solid var(--line-soft);
  border-left: 3px solid rgba(0, 225, 241, .35);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .3s ease, background .3s ease, box-shadow .3s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: var(--surface-glass-strong);
  box-shadow: 0 12px 32px rgba(3, 10, 20, .28);
}

.page-faq .faq-item:focus-within {
  box-shadow: 0 0 0 3px rgba(122, 77, 255, .18);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-q-num {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  padding: 6px 8px;
  border-radius: 8px;
  color: var(--purple);
  background: rgba(122, 77, 255, .14);
}

.page-faq .faq-q-text {
  flex: 1;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-light);
}

.page-faq .faq-q-toggle {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--text-dim);
  transition: transform .35s var(--ease-out), color .3s;
}

.page-faq .faq-item[open] .faq-q-toggle {
  transform: rotate(45deg);
  color: var(--cyan);
}

.page-faq .faq-a {
  padding: 2px 18px 16px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-related-note {
  margin: 10px 0 0;
  color: var(--text-dim);
  font-size: 13px;
}

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

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

.page-faq .faq-contact {
  margin-top: 52px;
  padding-bottom: 20px;
}

.page-faq .faq-contact-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  padding: 26px 24px;
  background: linear-gradient(135deg, rgba(122, 77, 255, .16), rgba(0, 225, 241, .06)), var(--surface-glass);
  border: 1px solid rgba(122, 77, 255, .3);
  border-radius: var(--radius-lg);
}

.page-faq .faq-contact-info h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-light);
}

.page-faq .faq-contact-info p {
  margin: 0;
  max-width: 560px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-top: 4px;
}

.page-faq .faq-trust-note {
  margin: 16px 0 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.7;
}

@media (min-width: 520px) {
  .page-faq .faq-a {
    padding-left: 48px;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-overview-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-faq .faq-search-hint {
    display: inline;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-section-left {
    width: 76px;
  }

  .page-faq .faq-section-index {
    display: block;
  }

  .page-faq .faq-contact-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 30px 34px;
  }

  .page-faq .faq-watermark {
    right: -12px;
  }
}