.page-faq {
  --faq-card-bg: #121A28;
  --faq-card-soft: rgba(18, 42, 92, 0.42);
  --faq-border: rgba(229, 233, 240, 0.24);
  --faq-border-soft: rgba(229, 233, 240, 0.12);
  --faq-text-sub: rgba(255, 255, 255, 0.72);
  --faq-text-muted: rgba(255, 255, 255, 0.55);
  --faq-accent-bg: rgba(255, 107, 26, 0.08);
  --faq-green-bg: rgba(57, 255, 136, 0.08);
  background: var(--midnight-navy);
  color: var(--pure-white);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: clip;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  font-size: 0.83rem;
  color: var(--steel-blue);
}

.page-faq .breadcrumb-separator {
  color: var(--steel-blue);
  opacity: 0.6;
}

.page-faq .breadcrumb-link {
  color: var(--steel-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-faq .breadcrumb-link:hover {
  color: var(--bright-orange);
}

.page-faq .breadcrumb-current {
  color: var(--pure-white);
  font-weight: 500;
}

/* ===== 首屏封面 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-height) + 28px) 1.25rem 2.75rem;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(255, 107, 26, 0.05) 0 2px,
      transparent 2px 14px
    ),
    linear-gradient(180deg, #0B1E40 0%, var(--midnight-navy) 62%);
  border-bottom: 1px solid var(--faq-border-soft);
}

.page-faq .faq-hero__inner {
  max-width: 940px;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.page-faq .faq-hero__kicker {
  font-family: var(--font-numeric);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--steel-blue);
  margin: 0 0 0.8rem;
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 100;
  font-size: clamp(2.1rem, 5.2vw, 3.8rem);
  line-height: 1.1;
  margin: 0 0 1.25rem;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__divider {
  display: block;
  color: var(--bright-orange);
  font-weight: 700;
  line-height: 1;
  margin: 0.35rem 0;
}

.page-faq .faq-hero__subtitle {
  display: block;
  font-weight: 700;
  color: var(--bright-orange);
  font-size: clamp(1rem, 2vw, 1.3rem);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__desc {
  max-width: 58rem;
  color: var(--faq-text-sub);
  font-size: 0.98rem;
  line-height: 1.8;
  margin: 1.1rem 0 0;
}

.page-faq .faq-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.page-faq .faq-index {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  border: 1px solid var(--faq-border);
  padding: 0.55rem 0.85rem;
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  background: rgba(10, 27, 61, 0.55);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.page-faq .faq-index:hover {
  border-color: var(--bright-orange);
  background: var(--faq-accent-bg);
  color: var(--pure-white);
  transform: translateY(-2px);
}

.page-faq .faq-index__num {
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--bright-orange);
}

/* ===== 展览画廊 ===== */
.page-faq .faq-gallery {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2.75rem 1.25rem 4rem;
}

.page-faq .faq-exhibit {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  box-shadow: var(--shadow-card);
  padding: 1.25rem;
  width: 100%;
}

.page-faq .faq-exhibit--narrow {
  max-width: 52rem;
  margin-left: 0;
}

.page-faq .faq-exhibit--wide {
  max-width: 100%;
}

.page-faq .faq-exhibit--contact {
  max-width: 100%;
}

.page-faq .divider {
  margin: 0;
  background: linear-gradient(90deg, transparent, var(--bright-orange), transparent);
  height: 1px;
  border: 0;
}

/* ===== 展区头 ===== */
.page-faq .exhibit-header {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--bright-orange);
  margin-bottom: 1.35rem;
}

.page-faq .section-number {
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--bright-orange);
  flex: 0 0 auto;
  margin-top: 0.1rem;
}

.page-faq .exhibit-heading h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.page-faq .exhibit-heading__sub {
  margin: 0.25rem 0 0;
  color: var(--steel-blue);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.page-faq .exhibit-intro {
  color: var(--faq-text-sub);
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0 0 1.25rem;
}

/* ===== 问答面板 ===== */
.page-faq .qa-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-faq .qa-panel {
  border: 1px solid var(--faq-border-soft);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.page-faq .qa-panel[open] {
  border-color: rgba(255, 107, 26, 0.55);
  background: rgba(10, 27, 61, 0.35);
}

.page-faq .qa-panel__question {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  list-style: none;
  cursor: pointer;
  padding: 0.9rem 1rem;
  margin: 0;
  font-weight: 500;
  font-size: 0.92rem;
  line-height: 1.5;
}

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

.page-faq .qa-panel__text {
  flex: 1 1 auto;
}

.page-faq .qa-panel__mark {
  font-family: var(--font-numeric);
  font-weight: 700;
  color: var(--steel-blue);
  font-size: 1.1rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.page-faq .qa-panel[open] .qa-panel__mark {
  color: var(--bright-orange);
  transform: rotate(45deg);
}

.page-faq .qa-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid var(--bright-orange);
  color: var(--bright-orange);
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 0.7rem;
  background: rgba(255, 107, 26, 0.12);
}

.page-faq .qa-panel__answer {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: 0.65rem;
  padding: 0 1rem 1rem;
  margin-left: 1.25rem;
}

.page-faq .qa-panel__answer .qa-chip {
  border-color: var(--neon-green);
  color: var(--neon-green);
  background: var(--faq-green-bg);
}

.page-faq .qa-panel__answer p {
  color: var(--faq-text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

/* ===== 费用表 ===== */
.page-faq .fee-table-wrap {
  margin: 1.25rem 0 0.6rem;
}

.page-faq .fee-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: var(--midnight-navy);
  font-size: 0.9rem;
}

.page-faq .fee-table thead th {
  font-family: var(--font-numeric);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.76rem;
  text-align: left;
  padding: 0.75rem 1rem;
  color: var(--steel-blue);
  background: var(--deep-blue);
  border-bottom: 2px solid var(--bright-orange);
}

.page-faq .fee-table td {
  padding: 0.78rem 1rem;
  border-bottom: 1px solid var(--faq-border-soft);
  color: rgba(255, 255, 255, 0.84);
  vertical-align: top;
}

.page-faq .fee-table tbody tr {
  transition: background-color var(--transition-fast);
}

.page-faq .fee-table tbody tr:hover {
  background: var(--faq-accent-bg);
}

.page-faq .fee-table__highlight {
  color: var(--neon-green);
  font-weight: 700;
}

.page-faq .fee-table__note {
  color: var(--steel-blue);
  font-size: 0.78rem;
  margin: 0.2rem 0 0;
}

.page-faq .fee-figure {
  margin: 1.5rem 0 1.25rem;
  border: 1px solid var(--faq-border);
  background: var(--deep-blue);
  padding: 0.5rem;
}

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

.page-faq .fee-figure figcaption,
.page-faq .support-figure figcaption {
  display: block;
  padding: 0.65rem 0.2rem 0.25rem;
  color: var(--steel-blue);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

/* ===== 价格强调 ===== */
.page-faq .price-callout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.25rem;
}

.page-faq .price-callout__item {
  flex: 1 1 160px;
  border: 1px solid var(--faq-border-soft);
  background: var(--faq-card-soft);
  padding: 1rem 1.1rem;
}

.page-faq .price-callout__item--accent {
  border-color: rgba(57, 255, 136, 0.4);
  background: var(--faq-green-bg);
}

.page-faq .price-callout__label {
  display: block;
  color: var(--steel-blue);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.page-faq .price-callout__value {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--neon-green);
}

/* ===== 设备网格 ===== */
.page-faq .device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.25rem 0 1.5rem;
}

.page-faq .device-card {
  border: 1px solid var(--faq-border-soft);
  background: rgba(255, 255, 255, 0.02);
  padding: 1.1rem 1.2rem 1.25rem;
}

.page-faq .device-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--bright-orange);
  color: var(--charcoal);
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.page-faq .device-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
}

.page-faq .device-card p {
  color: var(--faq-text-sub);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}

/* ===== 客户服务 ===== */
.page-faq .support-layout {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-faq .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-faq .contact-card {
  border: 1px solid var(--faq-border-soft);
  background: rgba(255, 255, 255, 0.02);
  padding: 1.1rem 1.2rem 1.2rem;
}

.page-faq .contact-card h3 {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--steel-blue);
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--faq-border-soft);
}

.page-faq .contact-card__value {
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--pure-white);
  word-break: break-all;
  margin: 0 0 0.35rem;
}

.page-faq .contact-card__note {
  color: var(--steel-blue);
  font-size: 0.78rem;
  margin: 0;
}

.page-faq .support-figure {
  margin: 0;
  border: 1px solid var(--faq-border);
  background: var(--deep-blue);
  padding: 0.5rem;
}

.page-faq .contact-address {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border: 1px dashed rgba(229, 233, 240, 0.35);
  padding: 1rem 1.25rem;
  font-style: normal;
  margin: 0;
}

.page-faq .contact-address__label {
  color: var(--steel-blue);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-faq .contact-address__value {
  color: var(--pure-white);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== 继续阅读 ===== */
.page-faq .faq-context {
  border-top: 1px solid var(--faq-border-soft);
  background: var(--charcoal);
  padding: 3.25rem 1.25rem;
}

.page-faq .faq-context__inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-faq .faq-context__kicker {
  font-family: var(--font-numeric);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel-blue);
  margin: 0 0 0.4rem;
}

.page-faq .faq-context h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 500;
  margin: 0 0 0.6rem;
}

.page-faq .faq-context__desc {
  color: var(--faq-text-sub);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
  max-width: 42rem;
}

.page-faq .faq-context__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-context .btn {
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.65rem 1.15rem;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.page-faq .faq-context .btn:hover {
  transform: translateY(-2px);
}

/* ===== 平板与桌面断点 ===== */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-height) + 44px) 2rem 3.5rem;
  }

  .page-faq .faq-gallery {
    gap: 3rem;
    padding: 3.5rem 2rem 5rem;
  }

  .page-faq .faq-exhibit {
    padding: 1.75rem;
  }

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

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

  .page-faq .qa-panel__question {
    font-size: 0.96rem;
    padding: 1rem 1.1rem;
  }

  .page-faq .qa-panel__answer {
    padding: 0 1.1rem 1.1rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-height) + 64px) 2rem 5rem;
  }

  .page-faq .faq-hero__inner {
    max-width: 900px;
    text-align: center;
  }

  .page-faq .faq-hero__desc {
    margin-left: auto;
    margin-right: auto;
  }

  .page-faq .faq-hero__index {
    justify-content: center;
  }

  .page-faq .faq-exhibit--narrow {
    margin-left: 0;
  }

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

  .page-faq .faq-exhibit--contact .exhibit-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .page-faq .support-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 1.5rem;
  }

  .page-faq .support-figure {
    margin: 0;
  }

  .page-faq .contact-address {
    grid-column: 1 / -1;
  }

  .page-faq .faq-context__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .page-faq .faq-context__desc {
    margin-bottom: 0;
  }

  .page-faq .faq-context__links {
    margin-top: 0;
  }
}