.page-faq {
  --faq-card: rgba(11, 34, 61, 0.72);
  --faq-line: rgba(31, 59, 87, 0.95);
  --faq-soft: rgba(7, 20, 38, 0.62);
  background: var(--bw-deep);
  color: var(--bw-silver);
  font-family: var(--bw-font-sans);
  padding-bottom: clamp(40px, 8vw, 88px);
  overflow-x: hidden;
}

.page-faq .faq-crumbs {
  padding-top: 18px;
  font-size: 13px;
  color: var(--bw-gray);
}

.page-faq .faq-crumbs a {
  color: var(--bw-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--bw-ease), color 0.2s var(--bw-ease);
}

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

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 6vw, 54px) 0 clamp(30px, 6vw, 62px);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -32%;
  width: 108%;
  height: 150%;
  background: linear-gradient(158deg, rgba(33, 230, 255, 0.2), rgba(255, 122, 26, 0.12) 52%, rgba(7, 20, 38, 0) 76%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 78%);
  z-index: -2;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 59, 87, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 59, 87, 0.42) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 72%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 72%);
  z-index: -1;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-hero__text .bw-title--xl {
  margin: 10px 0 16px;
  line-height: 1.14;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__text .bw-lead {
  color: var(--bw-text-soft);
  max-width: 40ch;
  line-height: 1.85;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-facts {
  display: grid;
  gap: 2px;
  background: var(--faq-line);
  border-radius: var(--bw-radius);
  overflow: hidden;
  border: 1px solid var(--faq-line);
}

.page-faq .faq-facts__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--faq-card);
}

.page-faq .faq-facts__num {
  font-size: 26px;
  font-weight: 700;
  color: var(--bw-cyan);
  min-width: 2.2ch;
  line-height: 1;
}

.page-faq .faq-facts__row:nth-child(2) .faq-facts__num {
  color: var(--bw-mist);
}

.page-faq .faq-facts__row:nth-child(3) .faq-facts__num {
  color: var(--bw-orange);
}

.page-faq .faq-facts__label {
  font-size: 14px;
  color: var(--bw-text-soft);
  line-height: 1.6;
}

/* ---------- 通用小节头 ---------- */
.page-faq .faq-head {
  max-width: 62ch;
}

.page-faq .faq-head .bw-title {
  margin: 8px 0 12px;
  line-height: 1.2;
}

.page-faq .faq-head__text {
  color: var(--bw-text-soft);
  line-height: 1.85;
}

.page-faq .bw-section {
  padding: clamp(34px, 7vw, 62px) 0;
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-path__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-faq .faq-path__item {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-radius: var(--bw-radius);
  transition: border-color 0.2s var(--bw-ease), transform 0.2s var(--bw-ease);
}

.page-faq .faq-path__item::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--bw-cyan), rgba(33, 230, 255, 0));
  opacity: 0;
  transition: opacity 0.2s var(--bw-ease);
}

.page-faq .faq-path__item:hover {
  border-color: rgba(33, 230, 255, 0.55);
}

.page-faq .faq-path__item:hover::after {
  opacity: 1;
}

.page-faq .faq-path__item--accent {
  background: linear-gradient(165deg, rgba(33, 230, 255, 0.14), rgba(11, 34, 61, 0.86) 60%);
}

.page-faq .faq-path__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--bw-orange);
  margin-bottom: 12px;
}

.page-faq .faq-path__title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  color: var(--bw-silver);
}

.page-faq .faq-path__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--bw-text-soft);
  margin: 0 0 14px;
}

.page-faq .faq-path__item .bw-btn--link {
  font-size: 14px;
  color: var(--bw-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 255, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s var(--bw-ease), border-color 0.2s var(--bw-ease);
}

.page-faq .faq-path__item .bw-btn--link:hover,
.page-faq .faq-path__item .bw-btn--link:focus-visible {
  color: var(--bw-mist);
  border-bottom-color: var(--bw-mist);
}

.page-faq .faq-figure {
  margin: 26px 0 0;
  border-radius: var(--bw-radius);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--bw-mid);
}

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

.page-faq .faq-figure__cap {
  font-size: 13px;
  color: var(--bw-gray);
  padding: 12px 16px;
  line-height: 1.7;
  border-top: 1px solid var(--faq-line);
}

/* ---------- 栏目对照 ---------- */
.page-faq .faq-colgrid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-col {
  padding: 20px 18px;
  background: var(--faq-soft);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--bw-grid);
  border-radius: 10px;
  transition: border-left-color 0.2s var(--bw-ease), background 0.2s var(--bw-ease);
}

.page-faq .faq-col:hover {
  border-left-color: var(--bw-cyan);
  background: rgba(11, 34, 61, 0.88);
}

.page-faq .faq-col .bw-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid currentColor;
}

.page-faq .faq-col__title {
  font-size: 16px;
  font-weight: 700;
  margin: 12px 0 12px;
  color: var(--bw-silver);
  letter-spacing: 0.01em;
}

.page-faq .faq-col__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-col__list dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bw-cyan);
  margin-bottom: 3px;
}

.page-faq .faq-col__list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bw-text-soft);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 24px;
}

.page-faq .faq-toc {
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-radius: var(--bw-radius);
  padding: 14px 16px;
}

.page-faq .faq-toc .bw-toc__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bw-gray);
  margin: 0 0 10px;
}

.page-faq .faq-toc .bw-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc .bw-toc__link {
  display: block;
  white-space: nowrap;
  font-size: 13px;
  color: var(--bw-text-soft);
  text-decoration: none;
  padding: 7px 12px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  transition: color 0.2s var(--bw-ease), border-color 0.2s var(--bw-ease), background 0.2s var(--bw-ease);
}

.page-faq .faq-toc .bw-toc__link:hover,
.page-faq .faq-toc .bw-toc__link:focus-visible,
.page-faq .faq-toc .bw-toc__link[aria-current="true"] {
  color: var(--bw-ink);
  background: var(--bw-cyan);
  border-color: var(--bw-cyan);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 8px;
}

.page-faq .faq-chips .bw-tag {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid currentColor;
  transition: background 0.2s var(--bw-ease), color 0.2s var(--bw-ease);
}

.page-faq .faq-chips .bw-tag--cyan:hover,
.page-faq .faq-chips .bw-tag--cyan:focus-visible {
  background: var(--bw-cyan);
  color: var(--bw-ink);
}

.page-faq .faq-chips .bw-tag--green:hover,
.page-faq .faq-chips .bw-tag--green:focus-visible {
  background: var(--bw-green);
  color: var(--bw-ink);
}

.page-faq .faq-chips .bw-tag--orange:hover,
.page-faq .faq-chips .bw-tag--orange:focus-visible {
  background: var(--bw-orange);
  color: var(--bw-ink);
}

.page-faq .faq-group {
  margin-top: 28px;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--bw-silver);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__id {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  color: var(--bw-ink);
  background: var(--bw-cyan);
  border-radius: 7px;
}

.page-faq .faq-group:nth-of-type(even) .faq-group__id {
  background: var(--bw-orange);
}

.page-faq .faq-q {
  background: var(--faq-soft);
  border: 1px solid var(--faq-line);
  border-radius: 10px;
  margin-bottom: 10px;
  transition: border-color 0.2s var(--bw-ease), background 0.2s var(--bw-ease);
}

.page-faq .faq-q:hover {
  border-color: rgba(33, 230, 255, 0.45);
}

.page-faq .faq-q[open] {
  border-color: rgba(33, 230, 255, 0.7);
  background: rgba(11, 34, 61, 0.92);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--bw-silver);
  transition: color 0.2s var(--bw-ease);
}

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

.page-faq .faq-q summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--bw-font-mono);
  font-size: 16px;
  color: var(--bw-cyan);
  line-height: 1.4;
}

.page-faq .faq-q[open] summary::after {
  content: "−";
  color: var(--bw-orange);
}

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--bw-cyan);
  outline-offset: 2px;
  border-radius: 10px;
}

.page-faq .faq-q__no {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--bw-cyan);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-faq .faq-q__body {
  padding: 0 16px 16px 46px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--bw-text-soft);
}

/* ---------- 工单 ---------- */
.page-faq .faq-help {
  background: linear-gradient(180deg, rgba(11, 34, 61, 0.55), rgba(7, 20, 38, 0));
}

.page-faq .faq-help__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-help__text .bw-title {
  margin: 8px 0 14px;
  line-height: 1.2;
}

.page-faq .faq-help__steps {
  list-style: none;
  margin: 22px 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--faq-line);
  border-radius: 10px;
  background: var(--faq-soft);
}

.page-faq .faq-help__no {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--bw-cyan);
  color: var(--bw-cyan);
  font-size: 12px;
}

.page-faq .faq-help__h {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--bw-silver);
}

.page-faq .faq-help__steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bw-text-soft);
}

.page-faq .faq-help .bw-btn--primary {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--bw-orange);
  color: var(--bw-ink);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid var(--bw-orange);
  transition: background 0.2s var(--bw-ease), color 0.2s var(--bw-ease), box-shadow 0.2s var(--bw-ease);
}

.page-faq .faq-help .bw-btn--primary:hover,
.page-faq .faq-help .bw-btn--primary:focus-visible {
  background: transparent;
  color: var(--bw-orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.18);
}

.page-faq .faq-figure--help {
  margin-top: 0;
}

/* ---------- 继续阅读 ---------- */
.page-faq .faq-next__grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-faq .faq-next__card {
  display: block;
  padding: 22px 20px;
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-radius: var(--bw-radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s var(--bw-ease), border-color 0.2s var(--bw-ease), background 0.2s var(--bw-ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--bw-cyan);
  background: rgba(11, 34, 61, 0.95);
}

.page-faq .faq-next__id {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--bw-orange);
  margin-bottom: 10px;
}

.page-faq .faq-next__card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--bw-silver);
}

.page-faq .faq-next__card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bw-text-soft);
}

.page-faq .faq-next__go {
  font-size: 13px;
  color: var(--bw-cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-next__card:hover .faq-next__go,
.page-faq .faq-next__card:focus-visible .faq-next__go {
  color: var(--bw-mist);
}

/* ---------- 首屏按钮基础态 ---------- */
.page-faq .faq-hero__actions .bw-btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s var(--bw-ease), color 0.2s var(--bw-ease), border-color 0.2s var(--bw-ease);
}

.page-faq .faq-hero__actions .bw-btn--primary {
  background: var(--bw-cyan);
  color: var(--bw-ink);
  border: 1px solid var(--bw-cyan);
}

.page-faq .faq-hero__actions .bw-btn--primary:hover,
.page-faq .faq-hero__actions .bw-btn--primary:focus-visible {
  background: var(--bw-mist);
  border-color: var(--bw-mist);
}

.page-faq .faq-hero__actions .bw-btn--ghost {
  background: transparent;
  color: var(--bw-silver);
  border: 1px solid var(--bw-grid);
}

.page-faq .faq-hero__actions .bw-btn--ghost:hover,
.page-faq .faq-hero__actions .bw-btn--ghost:focus-visible {
  border-color: var(--bw-cyan);
  color: var(--bw-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-path__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

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

  .page-faq .faq-q__body {
    padding-left: 52px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 40px;
  }

  .page-faq .faq-hero__text .bw-title--xl {
    font-size: 52px;
  }

  .page-faq .faq-body {
    grid-template-columns: 218px minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-toc .bw-toc__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-faq .faq-toc .bw-toc__link {
    border-radius: 8px;
    white-space: normal;
  }

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

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-figure--help {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-faq .faq-next__card:hover,
  .page-faq .faq-next__card:focus-visible {
    transform: none;
  }
}
<<<END>>>