.page-faq {
  --faq-hero-h: clamp(280px, 38vw, 460px);
  position: relative;
  min-height: 60vh;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.016) 1px, transparent 1px);
  background-size: 38px 38px;
  scroll-behavior: smooth;
}

.page-faq .faq-hero {
  position: relative;
  height: var(--faq-hero-h);
  margin: 1rem 0 2.5rem;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 10px 10px 0 rgba(138, 43, 226, 0.16);
}

.page-faq .faq-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-faq .faq-hero__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(92deg, rgba(10, 15, 30, 0.94) 0%, rgba(10, 15, 30, 0.68) 46%, rgba(10, 15, 30, 0.14) 82%);
}

.page-faq .faq-hero .data-tag {
  margin-bottom: 0.6rem;
}

.page-faq .faq-hero h1 {
  margin: 0.25rem 0;
  font-family: var(--font-head);
  font-size: clamp(1.85rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  transform: skewX(-5deg);
  transform-origin: left center;
}

.page-faq .faq-hero__lead {
  margin: 0.25rem 0 0.35rem;
  font-family: var(--font-head);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--green);
  transform: skewX(-4deg);
  transform-origin: left center;
}

.page-faq .faq-hero__desc {
  max-width: 34em;
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-layout {
  padding-bottom: var(--space-xl);
}

.page-faq .faq-index {
  margin-top: 2rem;
}

.page-faq .faq-index__card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1.2rem 1.25rem;
  box-shadow: 8px 8px 0 rgba(57, 255, 20, 0.07);
}

.page-faq .faq-index__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index__card nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.4rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--green);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-index__link span {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--purple);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--green);
  background: rgba(57, 255, 20, 0.05);
}

.page-faq .faq-index__tip {
  margin: 0.9rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--muted);
}

.page-faq .faq-index__tip a {
  color: var(--purple);
  text-decoration: none;
  font-weight: 700;
}

.page-faq .faq-content {
  margin-top: 2rem;
}

.page-faq .faq-section {
  margin-bottom: 2.75rem;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.55rem;
  margin-bottom: 0.35rem;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-section__num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--green);
  transform: skewX(-8deg);
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 800;
  color: var(--text);
  transform: skewX(-4deg);
  transform-origin: left center;
}

.page-faq .faq-item {
  margin-top: 0.55rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--purple);
  background: rgba(17, 26, 51, 0.82);
  box-shadow: 4px 4px 0 rgba(10, 15, 30, 0.55);
  transition: border-color 0.2s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--green);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.97rem;
  line-height: 1.45;
  color: var(--text);
  transition: background-color 0.2s ease;
}

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

.page-faq .faq-item > summary::before {
  content: "";
  width: 4px;
  height: 1.05em;
  flex: none;
  background: var(--purple);
  transform: skewX(-10deg);
}

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--green);
}

.page-faq .faq-item[open] > summary {
  border-bottom: 1px solid var(--line);
  background: rgba(138, 43, 226, 0.08);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
}

.page-faq .faq-item__body {
  padding: 1rem 1.1rem 1.15rem;
  animation: pageFaqFadeIn 0.3s ease;
}

.page-faq .faq-item__body p {
  margin: 0 0 0.6rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted);
  overflow-wrap: anywhere;
}

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

.page-faq .faq-item__body a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 20, 0.42);
}

.page-faq .faq-figure {
  margin: 0.8rem 0 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-faq .faq-figure figcaption {
  padding: 0.65rem 0.4rem 0.3rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-align: center;
  color: var(--muted);
}

@keyframes pageFaqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 640px) {
  .page-faq .faq-hero__overlay {
    padding: 2.5rem;
  }

  .page-faq .faq-hero__desc {
    font-size: 0.98rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    margin-top: 1.5rem;
  }

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

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + var(--header-h) + 1.5rem);
    margin-top: 0.45rem;
  }

  .page-faq .faq-content {
    margin-top: 0.45rem;
  }
}