.page-faq {
  --faq-index-w: 15.5rem;
  --faq-card-bg: linear-gradient(158deg, rgba(20, 60, 48, 0.72), rgba(11, 15, 14, 0.94));
  background: var(--carbon);
  color: var(--mist);
  min-width: 0;
  overflow-x: hidden;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--yb-header-h) + 2.25rem) 0 2.5rem;
  background:
    radial-gradient(900px 460px at 10% -12%, rgba(71, 245, 210, 0.16), transparent 62%),
    radial-gradient(700px 400px at 94% 6%, rgba(255, 138, 61, 0.13), transparent 64%),
    linear-gradient(180deg, var(--deep), var(--carbon) 82%);
  border-bottom: 1px solid var(--edge-soft);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 2rem;
  min-width: 0;
}

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

.page-faq .faq-hero__title {
  margin: 0.75rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 1.2rem + 3.4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-faq .faq-hero__intro {
  margin: 1.1rem 0 0;
  max-width: 46rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.65rem;
}

.page-faq .faq-hero__tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tile {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.05rem 1.15rem 1.2rem;
  border: 1px solid var(--edge-soft);
  border-radius: var(--yb-radius-s);
  background: var(--faq-card-bg);
  box-shadow: 6px 6px 0 -1px rgba(82, 122, 111, 0.15);
}

.page-faq .faq-tile--cyan {
  border-color: rgba(71, 245, 210, 0.4);
}

.page-faq .faq-tile--orange {
  border-color: rgba(255, 138, 61, 0.38);
}

.page-faq .faq-tile__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--mist);
}

.page-faq .faq-tile--cyan .faq-tile__num {
  color: var(--cyan);
}

.page-faq .faq-tile--orange .faq-tile__num {
  color: var(--orange);
}

.page-faq .faq-tile__text {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ash);
}

/* 主体骨架 */
.page-faq .faq-body {
  display: grid;
  gap: 1.85rem;
  padding-block: 2.5rem 3.5rem;
  min-width: 0;
}

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

.page-faq .faq-index__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--line);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 0.55rem;
  margin: 0;
  padding: 0 0 0.55rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--edge-soft);
  border-radius: 999px;
  background: rgba(14, 42, 34, 0.6);
  color: var(--mist);
  font-size: 0.85rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(71, 245, 210, 0.08);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--orange);
}

.page-faq .faq-stream {
  display: grid;
  gap: 2.6rem;
  min-width: 0;
}

/* 章节 */
.page-faq .faq-block {
  min-width: 0;
}

.page-faq .faq-block__head {
  margin-bottom: 1.35rem;
}

.page-faq .faq-block__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  margin-right: 0.35rem;
  color: var(--cyan);
}

.page-faq .faq-block__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 1.1rem + 1.9vw, 2.3rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .faq-block__lead {
  margin: 0.85rem 0 0;
  max-width: 44rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .faq-block__body {
  display: grid;
  gap: 1.15rem;
  min-width: 0;
}

.page-faq .faq-block__text {
  margin: 0;
  max-width: 46rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

/* 问答卡 */
.page-faq .faq-q-list {
  display: grid;
  gap: 0.7rem;
  min-width: 0;
}

.page-faq .faq-q {
  border: 1px solid var(--edge-soft);
  border-radius: var(--yb-radius-s);
  background: var(--faq-card-bg);
  box-shadow: 6px 6px 0 -1px rgba(82, 122, 111, 0.14);
  overflow: hidden;
}

.page-faq .faq-q[open] {
  border-color: rgba(71, 245, 210, 0.34);
}

.page-faq .faq-q > summary {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--mist);
}

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

.page-faq .faq-q > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--cyan);
}

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

.page-faq .faq-q > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .faq-a {
  padding: 0 1.1rem 1.1rem;
  border-top: 1px dashed var(--edge-soft);
  margin-top: 0.2rem;
  padding-top: 0.85rem;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--ash);
}

/* 标签行 */
.page-faq .faq-tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--yb-radius-s);
  border: 1px solid var(--edge-strong);
}

.page-faq .faq-figure--narrow {
  max-width: 26rem;
}

.page-faq .faq-figure .yb-media__cap {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--line);
}

/* 图例 */
.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.4rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--edge-soft);
  border-radius: var(--yb-radius-s);
  background: rgba(11, 15, 14, 0.6);
}

.page-faq .faq-legend__svg {
  flex: none;
  width: min(300px, 100%);
  height: auto;
}

.page-faq .faq-legend__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--ash);
}

.page-faq .faq-legend__keys li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .faq-dot {
  display: inline-block;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 3px;
}

.page-faq .faq-dot--cyan {
  background: var(--cyan);
}

.page-faq .faq-dot--orange {
  background: var(--orange);
  border-radius: 50%;
}

/* 净胜球步骤 */
.page-faq .faq-steps {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-steps li {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 0.95rem 1.05rem;
  border-left: 2px solid var(--orange);
  background: linear-gradient(90deg, rgba(255, 138, 61, 0.09), rgba(11, 15, 14, 0));
  border-radius: 0 var(--yb-radius-s) var(--yb-radius-s) 0;
}

.page-faq .faq-steps__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--orange);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

/* 联系信息 */
.page-faq .faq-contacts {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contacts .yb-contact__item {
  display: grid;
  gap: 0.25rem;
  padding: 0.9rem 1.05rem;
  border: 1px solid var(--edge-soft);
  border-radius: var(--yb-radius-s);
  background: rgba(14, 42, 34, 0.55);
}

.page-faq .faq-contacts .yb-contact__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--line);
}

.page-faq .faq-contacts .yb-contact__value {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

/* 编号提示 */
.page-faq .faq-note {
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px dashed rgba(71, 245, 210, 0.42);
  border-radius: var(--yb-radius-s);
  background: rgba(71, 245, 210, 0.06);
}

.page-faq .faq-note__title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--mist);
}

.page-faq .faq-note__code {
  margin: 0.6rem 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.95rem, 0.85rem + 0.6vw, 1.2rem);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-note__text {
  margin: 0.6rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* 页尾行动面板 */
.page-faq .faq-tail {
  padding: 0 0 3.5rem;
}

.page-faq .faq-tail__panel {
  display: grid;
  gap: 1.4rem;
  padding: 1.6rem 1.35rem 1.75rem;
}

.page-faq .faq-tail__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 1.05rem + 1.2vw, 1.9rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--mist);
}

.page-faq .faq-tail__text p {
  margin: 0.8rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--yb-header-h) + 3.5rem) 0 3.5rem;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 3.5rem;
    align-items: center;
  }

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

  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 3.25rem;
    padding-block: 4rem 5rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--yb-header-h) + 1.75rem);
  }

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

  .page-faq .faq-index__link {
    border-radius: var(--yb-radius-s);
    border-color: transparent;
    border-left: 2px solid var(--edge-soft);
    background: transparent;
    white-space: normal;
    padding: 0.55rem 0.75rem;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(71, 245, 210, 0.06);
  }

  .page-faq .faq-stream {
    gap: 3.6rem;
  }

  .page-faq .faq-tail__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2.5rem;
    padding: 2.2rem 2.35rem;
  }

  .page-faq .faq-tail__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__tiles {
    gap: 1.1rem;
  }

  .page-faq .faq-body {
    gap: 4rem;
  }
}
<<<END>>>