.page-faq {
  background: var(--navy);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 84px) 0 clamp(36px, 5vw, 68px);
  background:
    repeating-linear-gradient(90deg, rgba(90, 224, 208, .05) 0 1px, transparent 1px 96px),
    radial-gradient(110% 86% at 86% 0%, rgba(255, 106, 19, .18), transparent 62%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  border-bottom: 1px solid var(--steel);
  color: var(--white);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--electric);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(1.85rem, 1.05rem + 3.4vw, 3.4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--steel);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .02em;
}

.page-faq .faq-hero__cap {
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--steel-soft);
}

.page-faq .faq-hero__figure {
  border: 1px solid var(--steel);
  background: var(--navy-2);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

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

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding: clamp(36px, 5vw, 80px) 0 clamp(44px, 6vw, 96px);
  background: var(--sand);
  color: var(--graphite);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

/* 索引栏 */
.page-faq .faq-index {
  border-top: 2px solid var(--orange);
  padding-top: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqidx;
}

.page-faq .faq-index__list li {
  counter-increment: faqidx;
}

.page-faq .faq-index__list a {
  display: inline-block;
  padding: 3px 0;
  font-size: .875rem;
  color: #3A424F;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-index__list a::before {
  content: counter(faqidx, decimal-leading-zero) " ";
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--steel-soft);
  margin-right: 4px;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 作答区 */
.page-faq .faq-answers {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 4vw, 56px);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 130px;
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--mist);
}

.page-faq .faq-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 1.05rem + 1.1vw, 1.95rem);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--graphite);
}

.page-faq .faq-block__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--mist);
  background: var(--white);
}

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

/* 折叠条目 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--white);
  border: 1px solid var(--mist);
  border-left: 3px solid var(--steel-soft);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--orange);
  transform: translateX(2px);
}

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--graphite);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-item[open] > summary::after {
  content: "\2013";
}

.page-faq .faq-item__body {
  padding: 0 18px 17px;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 64ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: #3A424F;
}

/* 表格 */
.page-faq .faq-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--mist);
  background: var(--white);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: .875rem;
}

.page-faq .faq-table caption {
  padding: 12px 16px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-table thead th {
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--steel);
  background: rgba(216, 222, 232, .38);
  border-bottom: 1px solid var(--steel);
}

.page-faq .faq-table td {
  padding: 12px 16px;
  vertical-align: top;
  color: #3A424F;
  line-height: 1.65;
  border-bottom: 1px solid var(--mist);
  transition: background-color .16s var(--ease);
}

.page-faq .faq-table tbody tr:hover td {
  background: rgba(42, 74, 115, .07);
}

.page-faq .faq-table .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8125rem;
  color: var(--graphite);
}

.page-faq .faq-table .is-yes {
  color: var(--teal);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-table .is-no {
  color: var(--signal-red);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-note {
  margin: 14px 0 0;
  font-size: .8125rem;
  color: var(--steel);
}

/* ---------- 末端反馈区 ---------- */
.page-faq .faq-block--end {
  padding-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-cta {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(255, 106, 19, .38), transparent 58%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  border-left: 4px solid var(--orange);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  color: var(--white);
}

.page-faq .faq-cta__lead {
  margin: 0 0 20px;
  font-size: clamp(1.125rem, 1rem + .6vw, 1.4rem);
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-cta__contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 18px;
}

.page-faq .faq-cta__item {
  border-top: 1px solid rgba(216, 222, 232, .22);
  padding-top: 12px;
}

.page-faq .faq-cta__item dt {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 6px;
}

.page-faq .faq-cta__item dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-cta__item dd a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-cta__item dd a:hover,
.page-faq .faq-cta__item dd a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--orange);
}

.page-faq .faq-cta__note {
  margin: 0 0 20px;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--steel-soft);
}

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

.page-faq .faq-more-links {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-faq .faq-more-links a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}

.page-faq .faq-more-links a:hover,
.page-faq .faq-more-links a:focus-visible {
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-cta__contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 32px;
  }

  .page-faq .faq-cta__item:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 108px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 4px;
  }

  .page-faq .faq-index__list a {
    display: block;
    padding: 6px 0 6px 10px;
    border-left: 2px solid transparent;
    border-bottom: 0;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-left-color: var(--orange);
    border-bottom: 0;
  }

  .page-faq .faq-cta__contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-cta__item:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index__list a,
  .page-faq .faq-table td,
  .page-faq .faq-cta__item dd a,
  .page-faq .faq-more-links a {
    transition: none;
  }

  .page-faq .faq-item:hover {
    transform: none;
  }
}