/* ===== 问答中心页面专属样式 ===== */

.page-faq .faq-crumb-wrap {
  padding-top: 16px;
  padding-bottom: 4px;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: 20px;
  padding-bottom: 0;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(53, 224, 208, 0.14) 0%, rgba(11, 31, 58, 0) 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(198, 255, 61, 0.10) 0%, rgba(11, 31, 58, 0) 60%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 82%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 82%);
}

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

.page-faq .faq-hero__grid {
  align-items: start;
  row-gap: 28px;
}

.page-faq .faq-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.04;
  font-size: clamp(32px, 8.2vw, 60px);
  color: var(--bw-fog);
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: #c3d1e2;
}

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

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

.page-faq .faq-hero__figure .figure {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-panel);
}

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

.page-faq .faq-hero__figure .figure-cap {
  color: var(--bw-steel);
}

/* 分类计数条 */
.page-faq .faq-counts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .faq-count {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 14px 15px;
  background: rgba(16, 42, 76, 0.72);
  text-decoration: none;
  color: var(--bw-fog);
  transition: background 200ms var(--ease), transform 200ms var(--ease);
}

.page-faq .faq-count:hover,
.page-faq .faq-count:focus-visible {
  background: rgba(198, 255, 61, 0.10);
}

.page-faq .faq-count__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--bw-lime);
}

.page-faq .faq-count__label {
  font-size: 13px;
  line-height: 1.4;
  color: #b9c8da;
}

/* 关键词速查 */
.page-faq .faq-quick {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-quick__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bw-steel);
}

.page-faq .faq-quick__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  line-height: 1.2;
  color: #cfdceb;
  text-decoration: none;
  background: rgba(7, 20, 39, 0.55);
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--bw-ink);
  background: var(--bw-lime);
  border-color: var(--bw-lime);
}

/* 主结构 */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 36px;
  padding-bottom: 20px;
}

.page-faq .faq-rail {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(7, 20, 39, 0.66);
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--bw-steel);
}

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

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  font-size: 13.5px;
  white-space: nowrap;
  color: #c8d6e6;
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--bw-lime);
  border-color: var(--line-strong);
  background: rgba(198, 255, 61, 0.06);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--bw-steel);
}

.page-faq .faq-rail__count {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 999px;
  color: var(--bw-ink);
  background: var(--bw-cyan);
}

.page-faq .faq-rail__foot {
  display: none;
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--bw-steel);
}

.page-faq .faq-rail__foot a {
  color: var(--bw-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.4);
}

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

.page-faq .faq-group {
  scroll-margin-top: 88px;
  padding-bottom: 8px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 44px;
}

.page-faq .faq-group__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  color: rgba(198, 255, 61, 0.55);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.2;
  color: var(--bw-fog);
}

.page-faq .faq-group__note {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--bw-steel);
}

.page-faq .faq-media {
  margin: 20px 0 4px;
}

.page-faq .faq-media .figure {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-faq .faq-media .figure-cap {
  color: var(--bw-steel);
}

.page-faq .faq-list {
  margin-top: 18px;
}

/* 手风琴 */
.page-faq .qa {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 3px solid rgba(143, 163, 191, 0.3);
  border-radius: var(--radius-m);
  background: rgba(16, 42, 76, 0.55);
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--line-strong);
}

.page-faq .qa[open] {
  border-left-color: var(--bw-lime);
  background: rgba(16, 42, 76, 0.9);
  box-shadow: var(--shadow-panel);
}

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--bw-steel);
  transition: color 220ms var(--ease);
}

.page-faq .qa[open] .qa-num {
  color: var(--bw-lime);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--bw-fog);
}

.page-faq .qa-body {
  padding: 0 16px 16px 39px;
  font-size: 14.5px;
  line-height: 1.78;
  color: #bfcede;
}

.page-faq .qa-body p {
  margin: 0;
}

.page-faq .qa-body p + p {
  margin-top: 10px;
}

.page-faq .qa-body a {
  color: var(--bw-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.45);
}

.page-faq .qa-body a:hover,
.page-faq .qa-body a:focus-visible {
  color: var(--bw-lime);
  border-bottom-color: var(--bw-lime);
}

.page-faq .price {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--bw-lime);
  white-space: nowrap;
}

/* 结尾行动区 */
.page-faq .faq-cta {
  padding-top: 20px;
  padding-bottom: 56px;
}

.page-faq .faq-cta__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 26px 22px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background:
    linear-gradient(135deg, rgba(198, 255, 61, 0.10) 0%, rgba(11, 31, 58, 0) 46%),
    linear-gradient(0deg, rgba(7, 20, 39, 0.95), rgba(16, 42, 76, 0.9));
}

.page-faq .faq-cta__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.22;
  color: var(--bw-fog);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.78;
  color: #bccbdc;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-cta__meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--bw-steel);
  word-break: break-word;
}

.page-faq .faq-cta__links {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta__links-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--bw-steel);
}

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

.page-faq .faq-cta__links li + li {
  margin-top: 2px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-cta__links a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.55;
  color: #c9d7e7;
  text-decoration: none;
  transition: color 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-faq .faq-cta__links a:hover,
.page-faq .faq-cta__links a:focus-visible {
  color: var(--bw-lime);
  padding-left: 6px;
}

/* ===== 中等屏幕 ===== */
@media (min-width: 640px) {
  .page-faq .faq-counts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* ===== 桌面 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 30px;
  }

  .page-faq .faq-counts {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-top: 40px;
  }

  .page-faq .faq-quick {
    flex-direction: row;
    align-items: center;
    gap: 18px;
  }

  .page-faq .faq-quick__label {
    flex: 0 0 auto;
  }

  .page-faq .faq-shell {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 52px;
    margin-top: 52px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
    align-self: start;
    padding: 18px 16px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    justify-content: flex-start;
    padding: 10px 10px;
    border-color: transparent;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
    white-space: normal;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--bw-lime);
  }

  .page-faq .faq-rail__label {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail__count {
    background: transparent;
    color: var(--bw-steel);
    border: 1px solid var(--line);
  }

  .page-faq .faq-rail__foot {
    display: block;
  }

  .page-faq .faq-group__head {
    gap: 18px;
    padding-bottom: 18px;
  }

  .page-faq .faq-group__num {
    font-size: 32px;
  }

  .page-faq .qa summary {
    padding: 18px 20px;
    gap: 14px;
  }

  .page-faq .qa-q {
    font-size: 16px;
  }

  .page-faq .qa-body {
    padding: 0 22px 20px 55px;
    font-size: 15px;
  }

  .page-faq .faq-media {
    margin: 24px 0 8px;
  }

  .page-faq .faq-media .figure {
    aspect-ratio: 21 / 9;
  }

  .page-faq .faq-cta__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    padding: 44px 40px;
  }

  .page-faq .faq-cta__links {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 32px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-shell {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-count,
  .page-faq .faq-chip,
  .page-faq .faq-rail__link,
  .page-faq .qa,
  .page-faq .qa-num,
  .page-faq .faq-cta__links a {
    transition: none;
  }
}
<<<END>>>