.page-faq {
  --faq-blue: #00d2ff;
  --faq-purple: #a855f7;
  --faq-yellow: #fbbf24;
  --faq-bg: #0a0e17;
  --faq-panel: #121827;
  --faq-panel-strong: #1a2130;
  --faq-border: #1e293b;
  --faq-text: #f8fafc;
  --faq-text-secondary: #94a3b8;
  background:
    radial-gradient(circle at 6% 10%, rgba(0, 210, 255, 0.08) 0%, transparent 28%),
    radial-gradient(circle at 94% 30%, rgba(168, 85, 247, 0.07) 0%, transparent 32%),
    linear-gradient(180deg, #0a0e17 0%, #0b101c 100%);
  min-height: 100vh;
}

.page-faq .container {
  width: min(100%, var(--container-w, 80rem));
  margin-inline: auto;
  padding-inline: var(--container-pad, clamp(1rem, 4vw, 2rem));
}

.page-faq .breadcrumb--offset {
  padding-top: calc(var(--header-h, 4.75rem) + 1.25rem);
  margin-bottom: 1rem;
}

.page-faq .page-title {
  margin: 0;
}

.page-faq .lead {
  margin: 1rem 0 0;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--faq-blue), var(--faq-purple), var(--faq-yellow));
  transform-origin: left;
}

.page-faq .faq-hero__inner {
  position: relative;
  padding-top: 0;
  padding-bottom: 3.5rem;
}

.page-faq .faq-hero__content {
  position: relative;
  z-index: 2;
  max-width: 46rem;
}

.page-faq .faq-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
}

.page-faq .faq-hero__title {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 900;
  font-size: clamp(2.15rem, 6vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  background: linear-gradient(110deg, #f8fafc 10%, #00d2ff 55%, #a855f7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
}

.page-faq .faq-hero__lead {
  color: var(--faq-text-secondary);
  max-width: 36rem;
}

.page-faq .faq-search {
  position: relative;
  margin-top: 2rem;
  max-width: 34rem;
}

.page-faq .faq-search__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.25rem;
  height: 1.25rem;
  color: var(--faq-blue);
  pointer-events: none;
  z-index: 1;
}

.page-faq .faq-search__input {
  width: 100%;
  background: var(--faq-panel-strong);
  border: 1px solid var(--faq-border);
  border-radius: 0.875rem;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  font-family: var(--font-body, "Inter", sans-serif);
  font-size: 1rem;
  color: var(--faq-text);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.page-faq .faq-search__input::placeholder {
  color: #64748b;
}

.page-faq .faq-search__input:focus {
  border-color: var(--faq-blue);
  box-shadow: 0 0 0 4px rgba(0, 210, 255, 0.15);
}

.page-faq .faq-hero__art {
  position: absolute;
  right: -2rem;
  top: 30%;
  width: 240px;
  height: 240px;
  z-index: 1;
  opacity: 0.7;
}

.page-faq .faq-hero__line {
  position: absolute;
  display: block;
  background: linear-gradient(120deg, rgba(0, 210, 255, 0.5), rgba(168, 85, 247, 0.4), rgba(251, 191, 36, 0.3));
  transform-origin: left center;
}

.page-faq .faq-hero__line--one {
  width: 180px;
  height: 2px;
  top: 30px;
  left: 10px;
  transform: rotate(24deg);
}

.page-faq .faq-hero__line--two {
  width: 150px;
  height: 1.5px;
  top: 90px;
  left: 80px;
  transform: rotate(-14deg);
}

.page-faq .faq-hero__line--three {
  width: 160px;
  height: 1.5px;
  top: 160px;
  left: 20px;
  transform: rotate(48deg);
}

.page-faq .faq-hero__orb {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(2px);
}

.page-faq .faq-hero__orb--blue {
  width: 36px;
  height: 36px;
  background: rgba(0, 210, 255, 0.3);
  top: 20px;
  right: 10px;
}

.page-faq .faq-hero__orb--purple {
  width: 22px;
  height: 22px;
  background: rgba(168, 85, 247, 0.3);
  top: 130px;
  right: 60px;
}

.page-faq .faq-hero__orb--yellow {
  width: 12px;
  height: 12px;
  background: rgba(251, 191, 36, 0.4);
  top: 190px;
  right: 0;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  padding-bottom: 4rem;
}

.page-faq .faq-index {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-faq .faq-index__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0 0.5rem;
  border-bottom: 1px dashed var(--faq-border);
}

.page-faq .faq-index__label {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--faq-text);
  letter-spacing: 0.02em;
}

.page-faq .faq-index__count {
  font-family: var(--font-body, "Inter", sans-serif);
  font-size: 0.8rem;
  color: var(--faq-text-secondary);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: 99px;
  padding: 0.2rem 0.6rem;
}

.page-faq .faq-index__nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--faq-border) transparent;
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-areas:
    "icon num name"
    "icon num meta";
  align-items: center;
  column-gap: 0.75rem;
  padding: 1rem 1.1rem;
  background: var(--faq-panel);
  border: 1px solid var(--faq-border);
  border-left: 3px solid transparent;
  border-radius: 0.875rem;
  text-decoration: none;
  min-width: 210px;
  transition: transform 0.3s, border-color 0.3s, background 0.3s, box-shadow 0.3s;
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  transform: translateY(-2px);
  background: var(--faq-panel-strong);
  border-left-color: var(--faq-blue);
  box-shadow: var(--shadow-glow, 0 0.5rem 2rem rgba(0, 210, 255, 0.22));
}

.page-faq .faq-index__icon {
  grid-area: icon;
  width: 2rem;
  height: 2rem;
  color: var(--faq-blue);
}

.page-faq .faq-index__item:hover .faq-index__icon {
  color: var(--faq-purple);
}

.page-faq .faq-index__num {
  grid-area: num;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--faq-yellow);
  opacity: 0.9;
}

.page-faq .faq-index__name {
  grid-area: name;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--faq-text);
  white-space: nowrap;
}

.page-faq .faq-index__meta {
  grid-area: meta;
  font-size: 0.8rem;
  color: var(--faq-text-secondary);
}

.page-faq .faq-index__contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.5rem;
  text-decoration: none;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.12) 0%, rgba(0, 210, 255, 0.08) 100%);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 1rem;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-index__contact::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, transparent 60%, rgba(251, 191, 36, 0.15));
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-faq .faq-index__contact-label {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--faq-text);
}

.page-faq .faq-index__contact-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--faq-text-secondary);
}

.page-faq .faq-index__contact-btn {
  margin-top: 0.25rem;
}

.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.page-faq .faq-block {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-faq .faq-block__icon {
  width: 3.25rem;
  height: 3.25rem;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.16), rgba(168, 85, 247, 0.16));
  border: 1px solid rgba(0, 210, 255, 0.25);
  border-radius: 0.875rem;
  color: var(--faq-blue);
}

.page-faq .faq-block:nth-child(2n) .faq-block__icon {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.16), rgba(0, 210, 255, 0.1));
  border-color: rgba(168, 85, 247, 0.3);
  color: var(--faq-purple);
}

.page-faq .faq-block__icon svg {
  width: 1.6rem;
  height: 1.6rem;
}

.page-faq .faq-block__kicker {
  margin: 0 0 0.25rem;
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  letter-spacing: -0.01em;
  color: var(--faq-text);
  line-height: 1.2;
}

.page-faq .faq-block__desc {
  margin: 0.25rem 0 0;
  color: var(--faq-text-secondary);
  font-size: 0.95rem;
}

.page-faq .faq-block__visual {
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--faq-border);
  background: var(--faq-panel);
  max-width: 300px;
  position: relative;
}

.page-faq .faq-block__visual--wide {
  max-width: 500px;
}

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

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.page-faq .faq-item {
  background: var(--faq-panel);
  border: 1px solid var(--faq-border);
  border-radius: 1rem;
  overflow: hidden;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.page-faq .faq-item + .faq-item {
  border-top: 1px solid var(--faq-border);
}

.page-faq .faq-item:hover {
  background: var(--faq-panel-strong);
  border-color: rgba(0, 210, 255, 0.35);
}

.page-faq .faq-item[open] {
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.06), rgba(168, 85, 247, 0.04));
  border-left: 3px solid var(--faq-blue);
  border-color: rgba(0, 210, 255, 0.4);
  box-shadow: 0 0 0 1px rgba(0, 210, 255, 0.1), 0 0.75rem 2rem rgba(0, 0, 0, 0.2);
}

.page-faq .faq-item__trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.page-faq .faq-item__trigger:focus-visible {
  outline: 2px solid var(--faq-blue);
  outline-offset: -2px;
}

.page-faq .faq-item__marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--faq-blue);
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: 0.5rem;
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
}

.page-faq .faq-item__marker span {
  font-size: 0.75rem;
  opacity: 0.8;
}

.page-faq .faq-item__question {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--faq-text);
  line-height: 1.45;
}

.page-faq .faq-item__body {
  padding: 0 1.25rem 1.25rem 4.25rem;
  color: var(--faq-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  animation: faqFadeIn 0.3s ease both;
}

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

.page-faq .faq-item__link {
  color: var(--faq-blue);
  font-weight: 600;
  text-decoration: none;
}

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

.page-faq .faq-item .accordion__icon {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  border: 1px solid var(--faq-border);
  position: relative;
  flex-shrink: 0;
  transition: transform 0.3s, border-color 0.3s, background 0.3s;
}

.page-faq .faq-item .accordion__icon::before,
.page-faq .faq-item .accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--faq-text-secondary);
  transition: background 0.3s;
}

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

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

.page-faq .faq-item[open] .accordion__icon {
  transform: rotate(45deg);
  border-color: var(--faq-blue);
  background: rgba(0, 210, 255, 0.12);
}

.page-faq .faq-item[open] .accordion__icon::before,
.page-faq .faq-item[open] .accordion__icon::after {
  background: var(--faq-blue);
}

.page-faq .faq-footnote {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.75rem;
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.12) 0%, rgba(168, 85, 247, 0.16) 50%, rgba(0, 0, 0, 0.2) 100%);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-left: 4px solid var(--faq-yellow);
  border-radius: 1rem;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-footnote::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 160px;
  height: 160px;
  border: 2px dashed rgba(251, 191, 36, 0.2);
  border-radius: 50%;
  transform: rotate(15deg);
}

.page-faq .faq-footnote__title {
  margin: 0;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--faq-text);
}

.page-faq .faq-footnote__desc {
  margin: 0;
  color: var(--faq-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 34rem;
}

.page-faq .faq-footnote__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .page-faq .faq-hero__inner {
    padding-bottom: 4.5rem;
  }

  .page-faq .faq-hero__art {
    width: 300px;
    height: 300px;
    right: 2rem;
    opacity: 0.85;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
    padding-top: 2.5rem;
    padding-bottom: 5rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h, 4.75rem) + 1.5rem);
    gap: 1.25rem;
  }

  .page-faq .faq-index__nav {
    display: grid;
    grid-template-columns: 1fr;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    width: 100%;
    min-width: 0;
  }

  .page-faq .faq-block {
    gap: 1.5rem;
  }

  .page-faq .faq-block__visual {
    max-width: 300px;
  }

  .page-faq .faq-block__visual--wide {
    max-width: 500px;
  }

  .page-faq .faq-footnote {
    padding: 2rem;
  }
}