.page-faq {
  --faq-card: var(--jy-ink-800);
  --faq-card-hover: var(--jy-ink-700);
  background: var(--jy-ink-900);
  color: var(--jy-text-light);
  padding-top: clamp(56px, 9vw, 96px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(32px, 5vw, 60px);
  background:
    radial-gradient(820px 400px at 92% -12%, rgba(43, 224, 207, 0.16), transparent 68%),
    radial-gradient(680px 360px at 4% 0%, rgba(233, 162, 59, 0.12), transparent 66%),
    var(--jy-ink-900);
  border-bottom: 1px solid var(--jy-line-light);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(245, 248, 250, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 248, 250, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-faq .faq-hero > .jy-container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .jy-breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--jy-font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--jy-text-light);
  max-width: 16em;
}

.page-faq .faq-hero__title em {
  display: block;
  font-style: normal;
  color: var(--jy-cyan-400);
}

.page-faq .faq-hero__text {
  margin: 18px 0 0;
  max-width: 44em;
  font-family: var(--jy-font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--jy-mute-light);
}

.page-faq .faq-hero__actions {
  margin-top: 26px;
}

/* 快速排障条 */
.page-faq .faq-quick {
  background: var(--faq-card);
  border: 1px solid var(--jy-line-light);
  border-radius: var(--jy-radius);
  box-shadow: var(--jy-shadow-card);
  padding: clamp(16px, 2.4vw, 24px);
  align-self: start;
}

.page-faq .faq-quick__title {
  margin: 0 0 12px;
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--jy-amber-500);
}

.page-faq .faq-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-quick__list li + li {
  border-top: 1px solid var(--jy-line-light);
}

.page-faq .faq-quick__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 6px;
  text-decoration: none;
  border-radius: var(--jy-radius-sm);
  transition: background-color 180ms ease;
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  background: var(--faq-card-hover);
}

.page-faq .faq-quick__link:focus-visible {
  outline: 2px solid var(--jy-cyan-400);
  outline-offset: 2px;
}

.page-faq .faq-quick__num {
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-xs);
  color: var(--jy-cyan-400);
  letter-spacing: 0.04em;
}

.page-faq .faq-quick__body {
  display: block;
  min-width: 0;
}

.page-faq .faq-quick__name {
  display: block;
  font-family: var(--jy-font-heading);
  font-weight: 700;
  font-size: var(--jy-text-sm);
  color: var(--jy-text-light);
}

.page-faq .faq-quick__desc {
  display: block;
  margin-top: 2px;
  font-size: var(--jy-text-2xs);
  color: var(--jy-mute-light);
  line-height: 1.6;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

/* 左侧索引 */
.page-faq .faq-index {
  border: 1px solid var(--jy-line-light);
  border-left: 2px solid var(--jy-cyan-600);
  border-radius: var(--jy-radius);
  background: linear-gradient(180deg, rgba(23, 50, 77, 0.72), rgba(15, 34, 56, 0.9));
  padding: 16px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--jy-mute-light);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 4px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 4px;
  font-size: var(--jy-text-xs);
  color: var(--jy-text-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-faq .faq-index__link span {
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-2xs);
  color: var(--jy-amber-500);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--jy-cyan-400);
  border-bottom-color: var(--jy-line-cyan);
  outline: none;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--jy-line-light);
  font-size: var(--jy-text-2xs);
  line-height: 1.7;
  color: var(--jy-mute-light);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding-bottom: clamp(28px, 4vw, 48px);
  margin-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--jy-line-light);
  scroll-margin-top: 96px;
}

.page-faq .faq-group:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-group__head {
  margin-bottom: 20px;
}

.page-faq .faq-group__title {
  margin: 12px 0 0;
  font-family: var(--jy-font-heading);
  font-weight: 700;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--jy-text-light);
}

.page-faq .faq-group__lead {
  margin: 10px 0 0;
  max-width: 46em;
  font-size: var(--jy-text-sm);
  line-height: 1.8;
  color: var(--jy-mute-light);
}

.page-faq .faq-group__link {
  margin: 20px 0 0;
}

/* 折叠问答 */
.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--jy-line-light);
  border-radius: var(--jy-radius);
  box-shadow: var(--jy-shadow-card);
  margin-bottom: 10px;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-faq .faq-item[open] {
  background: linear-gradient(180deg, rgba(23, 50, 77, 0.6), rgba(15, 34, 56, 0.95));
  border-color: var(--jy-line-cyan);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--jy-font-heading);
  font-weight: 700;
  font-size: var(--jy-text-sm);
  line-height: 1.55;
  color: var(--jy-text-light);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-md);
  line-height: 1;
  color: var(--jy-cyan-400);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--jy-cyan-400);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-2xs);
  letter-spacing: 0.06em;
  color: var(--jy-amber-500);
  padding-top: 3px;
}

.page-faq .faq-item__a {
  padding: 0 16px 18px;
  border-top: 1px solid var(--jy-line-light);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-family: var(--jy-font-body);
  font-size: var(--jy-text-sm);
  line-height: 1.8;
  color: var(--jy-mute-light);
}

/* 步骤列表 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  background: rgba(8, 24, 39, 0.62);
  border-left: 2px solid var(--jy-cyan-600);
  border-radius: 0 var(--jy-radius-sm) var(--jy-radius-sm) 0;
  font-size: var(--jy-text-sm);
  line-height: 1.7;
  color: var(--jy-text-light);
}

.page-faq .faq-steps__n {
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-2xs);
  letter-spacing: 0.06em;
  color: var(--jy-cyan-400);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 22px 0 0;
}

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

.page-faq .faq-figure .jy-media__caption {
  margin-top: 8px;
  font-size: var(--jy-text-2xs);
  line-height: 1.7;
  color: var(--jy-mute-light);
}

/* 规格表 */
.page-faq .faq-spec {
  margin: 22px 0 0;
  border-top: 1px solid var(--jy-line-light);
}

.page-faq .faq-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(245, 248, 250, 0.12);
}

.page-faq .faq-spec dt {
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-2xs);
  letter-spacing: 0.08em;
  color: var(--jy-amber-500);
}

.page-faq .faq-spec dd {
  margin: 0;
  font-size: var(--jy-text-sm);
  line-height: 1.7;
  color: var(--jy-mute-light);
}

/* 反馈准备 */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding: 12px 14px 12px 34px;
  background: var(--faq-card);
  border: 1px solid var(--jy-line-light);
  border-radius: var(--jy-radius);
  font-size: var(--jy-text-sm);
  line-height: 1.75;
  color: var(--jy-mute-light);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jy-amber-500);
  box-shadow: 0 0 0 3px rgba(233, 162, 59, 0.18);
}

.page-faq .faq-checklist strong {
  display: block;
  font-family: var(--jy-font-heading);
  font-weight: 700;
  color: var(--jy-text-light);
}

.page-faq .faq-contact {
  display: grid;
  gap: 1px;
  background: var(--jy-line-light);
  border: 1px solid var(--jy-line-light);
  border-radius: var(--jy-radius);
  overflow: hidden;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 2px;
  padding: 13px 16px;
  background: var(--jy-ink-800);
}

.page-faq .faq-contact__label {
  font-family: var(--jy-font-mono);
  font-size: var(--jy-text-2xs);
  letter-spacing: 0.1em;
  color: var(--jy-cyan-400);
}

.page-faq .faq-contact__value {
  font-size: var(--jy-text-sm);
  line-height: 1.7;
  color: var(--jy-text-light);
  word-break: break-word;
}

/* 结尾引导 */
.page-faq .faq-cta {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--jy-line-cyan);
  border-radius: var(--jy-radius);
  background:
    linear-gradient(140deg, rgba(43, 224, 207, 0.1), rgba(233, 162, 59, 0.08) 70%, transparent),
    var(--jy-ink-800);
  box-shadow: var(--jy-shadow-card);
}

.page-faq .faq-cta__title {
  margin: 12px 0 0;
  font-family: var(--jy-font-heading);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.35;
  color: var(--jy-text-light);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: 48em;
  font-size: var(--jy-text-sm);
  line-height: 1.8;
  color: var(--jy-mute-light);
}

.page-faq .faq-cta__actions {
  margin-top: 22px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-spec__row {
    grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(28px, 3vw, 48px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
  }

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

  .page-faq .faq-index__link {
    padding: 9px 4px;
    font-size: var(--jy-text-sm);
    border-bottom: 1px solid var(--jy-line-light);
  }

  .page-faq .faq-index__link:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-item__q {
    padding: 16px 20px;
    font-size: var(--jy-text-md);
  }

  .page-faq .faq-item__a {
    padding: 16px 20px 20px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-quick__link,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>