.page-faq {
  --faq-line: rgba(10, 12, 18, 0.14);
  --faq-ink-soft: rgba(10, 12, 18, 0.76);
  --faq-ink-faint: rgba(10, 12, 18, 0.58);
  --faq-orange-text: #B8430A;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 56px;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(255, 106, 26, 0.20) 0%, rgba(10, 27, 61, 0) 58%),
    linear-gradient(180deg, #0d2350 0%, var(--yb-deep) 62%, var(--yb-deep-2) 100%);
  border-bottom: 1px solid var(--yb-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image:
    linear-gradient(rgba(198, 210, 227, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 210, 227, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .yb-crumbs {
  margin-bottom: 28px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

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

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 34em;
  color: rgba(242, 245, 250, 0.82);
  font-size: 17px;
  line-height: 1.75;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 1px;
  background: var(--yb-line);
  border: 1px solid var(--yb-line);
}

.page-faq .faq-hero__meta > div {
  padding: 14px 16px;
  background: rgba(7, 18, 41, 0.72);
}

.page-faq .faq-hero__meta dt {
  margin: 0;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-silver);
}

.page-faq .faq-hero__meta dd {
  margin: 8px 0 0;
  font-family: var(--yb-mono);
  font-size: 28px;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--yb-lime);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--yb-line-strong);
  background: rgba(7, 18, 41, 0.62);
  aspect-ratio: 1 / 1;
  max-width: 420px;
  overflow: hidden;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 77, 46, 0.24) 0%, rgba(255, 154, 60, 0) 62%);
  pointer-events: none;
}

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

/* ---------- 三步路径 ---------- */
.page-faq .faq-steps {
  padding: 48px 0 56px;
  background:
    linear-gradient(180deg, rgba(36, 26, 94, 0.96) 0%, rgba(25, 20, 74, 0.96) 100%);
  border-top: 1px solid var(--yb-line);
  border-bottom: 1px solid var(--yb-line);
}

.page-faq .faq-steps__head {
  max-width: 660px;
}

.page-faq .faq-steps__head .yb-h2 {
  margin: 12px 0 0;
}

.page-faq .faq-steps__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 22px 62px;
  background: rgba(10, 27, 61, 0.55);
  border: 1px solid var(--yb-line);
  border-left: 2px solid var(--yb-orange);
}

.page-faq .faq-step__no {
  position: absolute;
  top: 24px;
  left: 18px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--yb-lime);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--yb-paper);
}

.page-faq .faq-step p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(242, 245, 250, 0.74);
}

.page-faq .faq-steps__media {
  margin: 0;
  border: 1px solid var(--yb-line);
  background: rgba(7, 18, 41, 0.5);
  overflow: hidden;
}

.page-faq .faq-steps__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ---------- 正文区 ---------- */
.page-faq .faq-body {
  padding: 44px 0 64px;
  background: var(--yb-paper);
  color: var(--yb-ink);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

/* 分类索引 */
.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  background: #ffffff;
  padding: 18px 16px 16px;
}

.page-faq .faq-index__label {
  margin: 0;
  color: var(--faq-orange-text);
}

.page-faq .faq-index__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--faq-line);
  border-left: 2px solid transparent;
  color: var(--yb-ink);
  text-decoration: none;
  font-size: 15px;
  white-space: nowrap;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-index__link .yb-mono {
  font-size: 12px;
  color: var(--faq-orange-text);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--yb-orange);
  background: rgba(255, 106, 26, 0.08);
  outline: none;
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-ink-faint);
}

/* 问答分类 */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-cat {
  scroll-margin-top: 110px;
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-cat:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.page-faq .faq-cat__head {
  max-width: 660px;
}

.page-faq .faq-body .faq-cat__head .yb-overline {
  margin: 0;
  color: var(--faq-orange-text);
}

.page-faq .faq-cat__head .yb-h2 {
  margin: 12px 0 0;
  color: var(--yb-ink);
}

.page-faq .faq-cat__head p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

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

/* 折叠问答 */
.page-faq .faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid transparent;
  background: #ffffff;
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

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

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

.page-faq .faq-item__q {
  display: block;
  position: relative;
  padding: 16px 46px 16px 18px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--yb-ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  font-family: var(--yb-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--yb-orange);
}

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

.page-faq .faq-item__q:hover {
  color: var(--faq-orange-text);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  max-width: 660px;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--faq-ink-soft);
}

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

/* 对比表 */
.page-faq .faq-table-scroll {
  margin: 4px 0 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-compare {
  width: 100%;
  min-width: 380px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-compare th,
.page-faq .faq-compare td {
  padding: 10px 12px;
  text-align: left;
  border: 1px solid var(--faq-line);
  line-height: 1.6;
}

.page-faq .faq-compare th {
  background: rgba(10, 27, 61, 0.07);
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-ink);
}

.page-faq .faq-compare td {
  color: var(--faq-ink-soft);
}

.page-faq .faq-compare tbody tr:nth-child(even) td {
  background: rgba(10, 27, 61, 0.03);
}

/* 联系卡片 */
.page-faq .faq-assist {
  margin-top: 26px;
  padding: 26px 22px 26px;
  border-left: 3px solid var(--yb-lime);
  background: linear-gradient(135deg, var(--yb-deep) 0%, #131f4b 100%);
  color: var(--yb-paper);
}

.page-faq .faq-assist__label {
  margin: 0;
  color: var(--yb-lime);
}

.page-faq .faq-assist__title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--yb-paper);
}

.page-faq .faq-assist__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--yb-line);
  border: 1px solid var(--yb-line);
}

.page-faq .faq-assist__list > li {
  padding: 13px 16px;
  background: rgba(7, 18, 41, 0.78);
}

.page-faq .faq-assist .yb-contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
}

.page-faq .faq-assist__key {
  flex: 0 0 auto;
  min-width: 68px;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-silver);
}

.page-faq .faq-assist__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--yb-paper);
  word-break: break-word;
}

.page-faq .faq-assist .yb-contact-item--key .faq-assist__val {
  color: var(--yb-lime);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 32px 0 64px;
  }

  .page-faq .faq-step {
    padding: 24px 24px 24px 68px;
  }

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

  .page-faq .faq-assist__list > li:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 36px 0 76px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    gap: 52px;
    align-items: center;
  }

  .page-faq .faq-hero__media {
    justify-self: end;
    width: 100%;
  }

  .page-faq .faq-steps {
    padding: 60px 0 72px;
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
    margin-top: 40px;
    align-items: start;
  }

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

  .page-faq .faq-step {
    padding: 40px 26px 8px 0;
    background: transparent;
    border: none;
    border-top: 1px solid var(--yb-line-strong);
  }

  .page-faq .faq-step::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 0;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--yb-orange);
    box-shadow: 0 0 0 5px rgba(255, 106, 26, 0.18);
  }

  .page-faq .faq-step__no {
    position: static;
    display: block;
    margin-bottom: 10px;
  }

  .page-faq .faq-body {
    padding: 60px 0 88px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding: 22px 18px 20px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__link {
    white-space: normal;
  }

  .page-faq .faq-cat {
    padding-bottom: 44px;
    margin-bottom: 44px;
  }

  .page-faq .faq-assist {
    padding: 32px 30px 30px;
  }

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

  .page-faq .faq-assist__list > li:last-child {
    grid-column: auto;
  }
}

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