.page-faq {
  --faq-sidebar-w: 280px;
  --faq-gap: 36px;
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 70vh;
}

.page-faq .breadcrumbs {
  max-width: 1440px;
  margin: 28px auto 0;
  padding: 0 20px;
}

.page-faq .faq-hero {
  padding-top: 36px;
  padding-bottom: 44px;
  position: relative;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .faq-hero__tags .tag {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  background: var(--color-bg-2);
  color: var(--color-text-2);
  border: 1px solid var(--color-line);
}

.page-faq .faq-hero__tags .tag--accent {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-faq .faq-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.04;
  font-weight: 700;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 18px;
  max-width: 18em;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.page-faq .faq-hero__lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-2);
  max-width: 56rem;
  margin: 0;
}

.page-faq .faq-hero__stroke {
  position: absolute;
  right: -20px;
  bottom: 0;
  width: 180px;
  height: 40px;
  background: linear-gradient(135deg, transparent 42%, var(--color-line) 42%, var(--color-line) 48%, transparent 48%, transparent 66%, var(--color-line) 66%, var(--color-line) 71%, transparent 71%);
  opacity: 0.45;
  pointer-events: none;
}

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px 56px;
  padding-top: 8px;
  padding-bottom: 88px;
}

.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__sticky {
  background: var(--color-bg-2);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: 24px 20px;
  position: relative;
}

.page-faq .faq-index__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--color-line);
}

.page-faq .faq-index__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-white);
}

.page-faq .faq-index__count {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  white-space: nowrap;
}

.page-faq .faq-index__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
  margin-bottom: 20px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text-2);
  text-decoration: none;
  padding: 8px 6px;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-left-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--color-white);
  border-left-color: var(--color-accent);
  background: rgba(255, 107, 44, 0.06);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-accent);
  font-style: italic;
}

.page-faq .faq-index .chapter-indicator {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-2);
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  padding: 10px 12px;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.page-faq .faq-index .chapter-indicator span {
  color: var(--color-white);
  font-weight: 600;
}

.page-faq .faq-index__note {
  padding: 12px 2px 2px;
}

.page-faq .faq-index__note .data-strip {
  margin-bottom: 12px;
}

.page-faq .faq-index__note p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-text-2);
  margin: 0;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  margin-bottom: 80px;
}

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

.page-faq .faq-section .section__head {
  margin-bottom: 28px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 18px;
  position: relative;
}

.page-faq .faq-section .section__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 48px;
  height: 1px;
  background: var(--color-accent);
}

.page-faq .faq-section .section__kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.page-faq .faq-section .section__title {
  margin: 0;
}

.page-faq .faq-section .section__lead {
  margin: 12px 0 0;
  max-width: 48rem;
}

.page-faq .faq-list {
  border-top: 1px solid var(--color-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg-2);
  transition: background 0.25s ease;
}

.page-faq .faq-item[open] {
  background: var(--color-bg-3);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  user-select: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-faq .faq-item__no {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-accent);
  min-width: 2.4em;
  border: 1px solid var(--color-line);
  text-align: center;
  padding: 4px 2px;
  background: var(--color-bg);
}

.page-faq .faq-item__question {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
}

.page-faq .faq-item[open] .faq-item__question {
  color: var(--color-white);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  transition: transform 0.25s ease;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__icon::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 14px;
  transition: opacity 0.2s ease;
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
}

.page-faq .faq-item__answer {
  padding: 0 18px 22px;
  margin-left: 14px;
  border-left: 2px solid var(--color-line);
}

.page-faq .faq-item__answer p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-2);
  margin: 0;
  max-width: 52rem;
}

.page-faq .faq-download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-download-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
}

.page-faq .faq-step {
  display: flex;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--color-line);
  position: relative;
}

.page-faq .faq-step__num {
  flex: 0 0 auto;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 2rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-accent);
  width: 1.6em;
  text-align: center;
}

.page-faq .faq-step__body h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-style: italic;
  margin: 0 0 6px;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.page-faq .faq-step__body p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-2);
  margin: 0;
}

.page-faq .faq-download-note {
  border: 1px dashed var(--color-line);
  padding: 18px 20px;
  background: var(--color-bg-2);
  position: relative;
}

.page-faq .faq-download-note::before {
  content: "实测";
  position: absolute;
  top: -12px;
  left: 16px;
  background: var(--color-accent);
  color: #000;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 10px;
  text-transform: uppercase;
}

.page-faq .faq-download-note__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-style: italic;
  margin: 6px 0 6px;
  color: var(--color-white);
}

.page-faq .faq-download-note p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-2);
  margin: 0;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--color-line);
  background: var(--color-bg-2);
  padding: 10px;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-3);
}

.page-faq .faq-figure figcaption {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-2);
  padding: 12px 6px 4px;
  line-height: 1.6;
  border-bottom: 2px solid var(--color-line);
}

.page-faq .faq-timeline-figure {
  margin: 0 0 32px;
  border: 1px solid var(--color-line);
  background: var(--color-bg-2);
  padding: 8px;
  position: relative;
}

.page-faq .faq-timeline-figure::after {
  content: "T+180min";
  position: absolute;
  right: 18px;
  bottom: 18px;
  background: var(--color-accent);
  color: #000;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  transform: rotate(-2deg);
}

.page-faq .faq-timeline-figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 21 / 9;
  background: var(--color-bg-3);
}

.page-faq .faq-data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-data-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: 22px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-data-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-data-card__icon {
  display: inline-flex;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.page-faq .faq-data-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-white);
  margin: 0 0 8px;
}

.page-faq .faq-data-card p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-2);
  margin: 0;
}

.page-faq .faq-subscribe-table-wrap {
  border: 1px solid var(--color-line);
  background: var(--color-bg-2);
  overflow-x: auto;
}

.page-faq .faq-subscribe-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  text-align: left;
  min-width: 560px;
}

.page-faq .faq-subscribe-table th {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-bg-3);
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-line);
  white-space: nowrap;
}

.page-faq .faq-subscribe-table td {
  padding: 18px;
  color: var(--color-text-2);
  line-height: 1.65;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.page-faq .faq-subscribe-table tr:last-child td {
  border-bottom: none;
}

.page-faq .faq-subscribe-table td:first-child {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-white);
  white-space: nowrap;
}

.page-faq .faq-subscribe-note {
  margin-top: 18px;
  padding: 16px 20px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-2);
}

.page-faq .faq-subscribe-note p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-2);
  margin: 0;
}

.page-faq .faq-subscribe-note strong {
  color: var(--color-white);
  font-weight: 600;
}

.page-faq .faq-contact-card {
  border: 1px solid var(--color-line);
  background: var(--color-bg-2);
  position: relative;
}

.page-faq .faq-contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(225deg, var(--color-accent) 50%, transparent 50%);
}

.page-faq .faq-contact-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--color-line);
}

.page-faq .faq-contact-row:last-child {
  border-bottom: none;
}

.page-faq .faq-contact-row__label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-faq .faq-contact-row__value {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-contact-row a.faq-contact-row__value:hover {
  color: var(--color-accent);
}

.page-faq .faq-contact-row__value[href^="mailto"] {
  color: var(--color-white);
}

.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.page-faq [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

@media (min-width: 700px) {
  .page-faq .faq-data-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-contact-row {
    flex-direction: row;
    align-items: baseline;
    gap: 28px;
  }

  .page-faq .faq-contact-row__label {
    min-width: 120px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index__sticky {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-index__nav {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-download-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
  }

  .page-faq .faq-figure__img {
    aspect-ratio: 4 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-item__icon,
  .page-faq .faq-data-card,
  .page-faq .faq-index__link {
    transition: none;
  }
}