.page-faq {
  --faq-bg: #F8F9FA;
  --faq-card-bg: #FFFFFF;
  --faq-ink: #111111;
  --faq-muted: #4A4F5C;
  --faq-line: #1D3557;
  --faq-accent: #E63946;
  --faq-live: #39FF14;
  --faq-cyan: #00F0FF;
  --faq-violet: #9D4EDD;
  --faq-font-head: 'Anton', 'Impact', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --faq-font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --faq-font-data: 'Roboto Mono', 'Courier New', monospace;
  font-family: var(--faq-font-body);
  color: var(--faq-ink);
  background-color: var(--faq-bg);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  line-height: 1.7;
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-faq a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--faq-accent);
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease, background-color 0.2s ease;
}

.page-faq a:hover,
.page-faq a:focus-visible {
  color: var(--faq-accent);
  text-decoration-color: var(--faq-live);
  background-color: rgba(57, 255, 20, 0.12);
}

.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 24px 20px 12px;
  background:
    linear-gradient(135deg, rgba(29, 53, 87, 0.06) 0%, rgba(29, 53, 87, 0) 65%),
    linear-gradient(312deg, rgba(230, 57, 70, 0.10) 0%, rgba(230, 57, 70, 0) 40%);
  border-bottom: 4px solid var(--faq-line);
  position: relative;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--faq-accent) 0%, var(--faq-accent) 18%, var(--faq-cyan) 18%, var(--faq-cyan) 46%, var(--faq-violet) 46%, var(--faq-violet) 72%, var(--faq-live) 72%, var(--faq-live) 100%);
  pointer-events: none;
}

.page-faq .faq-kicker {
  display: inline-block;
  font-family: var(--faq-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faq-accent);
  background: rgba(230, 57, 70, 0.08);
  padding: 4px 10px 4px 8px;
  border-left: 3px solid var(--faq-accent);
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  font-family: var(--faq-font-head);
  font-size: 2.4rem;
  line-height: 1.14;
  margin: 0 0 14px;
  color: var(--faq-line);
  text-transform: uppercase;
  max-width: 12em;
}

.page-faq .faq-lead {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--faq-muted);
  max-width: 48em;
  margin: 0;
}

.page-faq .faq-hero-visual {
  border: 2px solid var(--faq-line);
  background: var(--faq-card-bg);
  box-shadow: 8px 8px 0 rgba(230, 57, 70, 0.22);
  transform: rotate(-1.2deg);
  transition: transform 0.25s ease;
}

.page-faq .faq-hero-visual:hover {
  transform: rotate(0deg) scale(1.01);
}

.page-faq .faq-hero-img,
.page-faq .faq-contact-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-toc {
  background: var(--faq-line);
  color: #FFFFFF;
  padding: 14px 20px;
  margin: 0;
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-family: var(--faq-font-data);
  font-size: 0.85rem;
}

.page-faq .faq-toc-list a {
  color: #FFFFFF;
  text-decoration: none;
  position: relative;
  padding: 3px 0;
}

.page-faq .faq-toc-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--faq-live);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.page-faq .faq-toc-list a:hover::after,
.page-faq .faq-toc-list a:focus-visible::after {
  transform: scaleX(1);
}

.page-faq .faq-panel-group {
  padding: 28px 20px 8px;
  max-width: 1280px;
  margin: 0 auto;
}

.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 14px;
  position: relative;
}

.page-faq .faq-section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 86px;
  height: 3px;
  background: var(--faq-accent);
}

.page-faq .faq-serial {
  font-family: var(--faq-font-head);
  font-size: 3rem;
  line-height: 1;
  color: rgba(230, 57, 70, 0.18);
  display: block;
  margin-bottom: -10px;
  pointer-events: none;
}

.page-faq .faq-section-head h2 {
  font-family: var(--faq-font-head);
  font-size: 1.7rem;
  line-height: 1.2;
  margin: 0;
  color: var(--faq-line);
  text-transform: uppercase;
}

.page-faq .faq-section-note {
  font-size: 0.9rem;
  color: var(--faq-muted);
  margin: 6px 0 0;
  max-width: 46em;
  line-height: 1.65;
}

.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-line);
  border-left: 5px solid var(--faq-accent);
  box-shadow: 3px 3px 0 rgba(29, 53, 87, 0.10);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-item:has(.faq-trigger[aria-expanded="true"]) {
  border-left-color: var(--faq-live);
  box-shadow: 3px 3px 0 rgba(57, 255, 20, 0.30);
}

.page-faq .faq-item:hover {
  transform: translateX(4px);
}

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

.page-faq .faq-trigger {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 16px 16px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-align: left;
  font-family: var(--faq-font-body);
  color: var(--faq-line);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.4;
  transition: background-color 0.2s ease;
}

.page-faq .faq-trigger:hover {
  background: rgba(0, 240, 255, 0.08);
}

.page-faq .faq-trigger:focus-visible {
  outline: 2px solid var(--faq-live);
  outline-offset: -2px;
  background: rgba(0, 240, 255, 0.10);
}

.page-faq .faq-qnum {
  font-family: var(--faq-font-data);
  font-size: 0.82rem;
  background: var(--faq-line);
  color: #FFFFFF;
  padding: 4px 8px;
  letter-spacing: 0.05em;
  display: inline-block;
}

.page-faq .faq-toggle {
  width: 18px;
  height: 18px;
  position: relative;
  display: block;
  flex-shrink: 0;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 2px;
  width: 14px;
  height: 2px;
  background-color: var(--faq-accent);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-toggle::after {
  transform: rotate(90deg);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-toggle::before {
  transform: rotate(45deg);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-toggle::after {
  transform: rotate(-45deg);
}

.page-faq .faq-answer {
  display: none;
  padding: 0 18px 18px 18px;
  border-top: 1px dashed var(--faq-line);
  margin-top: 0;
}

.page-faq .faq-item:has(.faq-trigger[aria-expanded="true"]) .faq-answer {
  display: block;
  animation: faq-reveal 0.25s ease both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-answer p {
  margin: 14px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: #2E3440;
}

.page-faq .faq-answer p:first-child {
  margin-top: 14px;
}

.page-faq .faq-contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 18px;
}

.page-faq .faq-contact-card {
  background: var(--faq-card-bg);
  border: 2px solid var(--faq-line);
  border-top: 6px solid var(--faq-accent);
  padding: 18px 16px 16px;
  box-shadow: 5px 5px 0 rgba(29, 53, 87, 0.10);
  position: relative;
}

.page-faq .faq-contact-card {
  background-image: linear-gradient(135deg, rgba(157, 78, 221, 0.04) 25%, transparent 25%);
  background-size: 12px 12px;
}

.page-faq .faq-contact-label {
  font-family: var(--faq-font-data);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faq-accent);
  display: block;
  margin-bottom: 6px;
}

.page-faq .faq-contact-value {
  font-family: var(--faq-font-head);
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--faq-line);
  word-break: break-all;
}

.page-faq a.faq-contact-value:hover {
  background: rgba(57, 255, 20, 0.15);
}

.page-faq .faq-contact-meta {
  font-size: 0.82rem;
  color: var(--faq-muted);
  margin: 8px 0 0;
  line-height: 1.55;
}

.page-faq .faq-contact-visual {
  border: 2px solid var(--faq-line);
  background: var(--faq-card-bg);
  box-shadow: 6px 6px 0 rgba(29, 53, 87, 0.12);
  transform: rotate(0.8deg);
  margin: 0 0 20px;
  max-width: 640px;
  transition: transform 0.25s ease;
}

.page-faq .faq-contact-visual:hover {
  transform: rotate(0deg) scale(1.01);
}

.page-faq .faq-trust-note {
  font-size: 0.88rem;
  color: var(--faq-muted);
  border-left: 3px solid var(--faq-cyan);
  padding: 8px 0 8px 14px;
  margin: 10px 0 0;
  max-width: 52em;
  line-height: 1.7;
}

.page-faq .faq-trust-note a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 26px 20px 36px;
  max-width: 1280px;
  margin: 0 auto;
}

.page-faq .faq-more-link {
  font-family: var(--faq-font-data);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  background: var(--faq-line);
  color: #FFFFFF;
  text-decoration: none;
  padding: 8px 14px;
  border-right: 4px solid var(--faq-accent);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-more-link:hover,
.page-faq .faq-more-link:focus-visible {
  background: var(--faq-accent);
  color: #FFFFFF;
  outline: none;
}

@media (min-width: 640px) {
  .page-faq .faq-hero {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: center;
    padding: 40px 40px 28px;
  }

  .page-faq .faq-hero h1 {
    font-size: 3.4rem;
  }

  .page-faq .faq-toc {
    padding: 16px 40px;
  }

  .page-faq .faq-panel-group {
    padding: 40px 40px 16px;
  }

  .page-faq .faq-section-head {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 22px;
    align-items: end;
  }

  .page-faq .faq-serial {
    grid-row: 1 / span 2;
    font-size: 4.4rem;
    margin: 0;
  }

  .page-faq .faq-section-head h2 {
    font-size: 2rem;
  }

  .page-faq .faq-section-note {
    grid-column: 2;
  }

  .page-faq .faq-trigger {
    padding: 18px 22px 16px;
    font-size: 1.05rem;
  }

  .page-faq .faq-answer {
    padding: 4px 24px 22px 62px;
  }

  .page-faq .faq-contact-row {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-faq .faq-more-links {
    padding: 30px 40px 48px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-left: 80px;
    padding-right: 80px;
    gap: 56px;
  }

  .page-faq .faq-toc {
    padding-left: 80px;
    padding-right: 80px;
  }

  .page-faq .faq-panel-group {
    padding-left: 80px;
    padding-right: 80px;
  }

  .page-faq .faq-hero h1 {
    font-size: 4.6rem;
  }

  .page-faq .faq-lead {
    font-size: 1.06rem;
  }

  .page-faq .faq-accordion {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .page-faq .faq-contact-visual {
    max-width: 700px;
  }

  .page-faq .faq-more-links {
    padding-left: 80px;
    padding-right: 80px;
  }
}