.page-faq {
  --faq-gap: 26px;
  --faq-anchor: calc(var(--wb-top-h) + 20px);
  background: var(--wb-paper);
  color: var(--wb-black);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 18px 0 48px;
  background: var(--wb-ink);
  color: var(--wb-paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--wb-edge-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--wb-edge-dark) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .38;
  pointer-events: none;
}

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

.page-faq .faq-hero__crumb {
  padding-top: 6px;
}

.page-faq .faq-hero__crumb .wb-link {
  color: rgba(246, 242, 233, .72);
}

.page-faq .faq-hero__crumb .wb-link:hover,
.page-faq .faq-hero__crumb .wb-link:focus-visible {
  color: var(--wb-cyan);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 34px;
  padding-top: 28px;
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  color: var(--wb-cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 20em;
  font-size: clamp(1.9rem, 6.4vw, 3.3rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--wb-paper);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(246, 242, 233, .82);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--wb-edge-dark);
}

.page-faq .faq-hero__fact-k {
  display: block;
  font-family: var(--wb-mono);
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--wb-amber);
}

.page-faq .faq-hero__fact-v {
  display: block;
  margin-top: 6px;
  font-size: .8125rem;
  line-height: 1.5;
  color: rgba(246, 242, 233, .68);
}

.page-faq .faq-hero__viz {
  width: 100%;
  max-width: 520px;
}

.page-faq .faq-viz {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-viz__panel {
  fill: rgba(246, 242, 233, .04);
  stroke: var(--wb-edge-dark);
  stroke-width: 1;
}

.page-faq .faq-viz__cap {
  fill: rgba(246, 242, 233, .5);
  font-family: var(--wb-mono);
  font-size: 13px;
  letter-spacing: .16em;
}

.page-faq .faq-viz__line {
  stroke: var(--wb-edge-dark);
  stroke-width: 2;
}

.page-faq .faq-viz__dot {
  fill: var(--wb-ink-2);
  stroke: var(--wb-cyan);
  stroke-width: 1.5;
}

.page-faq .faq-viz__num {
  fill: var(--wb-cyan);
  font-family: var(--wb-mono);
  font-size: 12px;
  text-anchor: middle;
  dominant-baseline: central;
}

.page-faq .faq-viz__bar {
  fill: rgba(52, 211, 222, .16);
  stroke: rgba(52, 211, 222, .45);
  stroke-width: 1;
}

.page-faq .faq-viz__bar--dim {
  fill: rgba(246, 242, 233, .06);
  stroke: var(--wb-edge-dark);
}

.page-faq .faq-viz__label {
  fill: var(--wb-paper);
  font-family: var(--wb-font);
  font-size: 13px;
  dominant-baseline: central;
}

/* ---------- 通用小节标题 ---------- */
.page-faq .faq-sec-h {
  margin: 0;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.008em;
  color: var(--wb-black);
}

.page-faq .faq-sec-lead {
  margin: 14px 0 0;
  max-width: 46em;
  line-height: 1.85;
  color: var(--wb-stone);
}

/* ---------- 三步定位 ---------- */
.page-faq .faq-steps {
  padding: 52px 0 44px;
}

.page-faq .faq-steps__inner {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-steps__rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-steps__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--wb-edge);
  background: var(--wb-surface);
  color: var(--wb-ink);
  font-size: .875rem;
  text-decoration: none;
  transition: transform .18s var(--wb-ease), border-color .18s var(--wb-ease);
}

.page-faq .faq-steps__n {
  font-family: var(--wb-mono);
  font-size: 1rem;
  color: var(--wb-clay);
}

.page-faq .faq-steps__link:hover {
  transform: translateY(-2px);
  border-color: var(--wb-clay);
}

.page-faq .faq-steps__link:focus-visible {
  outline: 2px solid var(--wb-cyan);
  outline-offset: 2px;
}

.page-faq .faq-step {
  margin-top: 30px;
  padding: 22px 0 6px 16px;
  border-top: 1px solid var(--wb-edge);
  border-left: 2px solid transparent;
  scroll-margin-top: var(--faq-anchor);
  transition: border-color .18s var(--wb-ease), background-color .18s var(--wb-ease);
}

.page-faq .faq-step:target {
  border-left-color: var(--wb-cyan);
  background: rgba(52, 211, 222, .06);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--wb-mono);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1;
  color: var(--wb-clay);
}

.page-faq .faq-step__h {
  margin: 12px 0 0;
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--wb-black);
}

.page-faq .faq-step p {
  margin: 10px 0 0;
  line-height: 1.85;
  color: var(--wb-stone);
}

/* ---------- 图片 ---------- */
.page-faq .faq-shot {
  margin: 36px 0 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--wb-edge);
  background: var(--wb-layer);
  object-fit: cover;
}

.page-faq .faq-shot figcaption {
  margin-top: 10px;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--wb-stone);
}

/* ---------- 入口对照 ---------- */
.page-faq .faq-compare {
  margin-top: 44px;
  padding: 52px 0 56px;
  background: var(--wb-ink-2);
  color: var(--wb-paper);
  scroll-margin-top: var(--faq-anchor);
}

.page-faq .faq-compare__h {
  color: var(--wb-paper);
  max-width: 22em;
}

.page-faq .faq-compare__lead {
  color: rgba(246, 242, 233, .76);
}

.page-faq .faq-compare__cols {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-faq .faq-compare__col {
  padding: 22px 20px;
  border: 1px solid var(--wb-edge-dark);
  border-top: 3px solid var(--wb-edge-dark);
  background: rgba(246, 242, 233, .05);
}

.page-faq .faq-compare__col--pc {
  border-top-color: var(--wb-cyan);
}

.page-faq .faq-compare__col--mob {
  border-top-color: var(--wb-amber);
}

.page-faq .faq-compare__t {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--wb-paper);
}

.page-faq .faq-compare__t .wb-mono {
  font-size: .75rem;
  letter-spacing: .1em;
  color: rgba(246, 242, 233, .5);
}

.page-faq .faq-compare__dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-compare__dl dt {
  font-family: var(--wb-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: rgba(246, 242, 233, .54);
}

.page-faq .faq-compare__dl dd {
  margin: 5px 0 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: rgba(246, 242, 233, .88);
}

.page-faq .faq-shot--dark img {
  border-color: var(--wb-edge-dark);
  background: rgba(246, 242, 233, .06);
}

.page-faq .faq-shot--dark figcaption {
  color: rgba(246, 242, 233, .6);
}

/* ---------- 变更说明 ---------- */
.page-faq .faq-read {
  padding: 52px 0 8px;
  scroll-margin-top: var(--faq-anchor);
}

.page-faq .faq-read__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-points {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-point {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--wb-edge);
}

.page-faq .faq-point__k {
  font-family: var(--wb-mono);
  font-size: .8125rem;
  letter-spacing: .12em;
  color: var(--wb-clay);
}

.page-faq .faq-point p {
  margin: 0;
  line-height: 1.85;
  color: var(--wb-stone);
}

.page-faq .faq-read__more {
  margin: 22px 0 0;
  line-height: 1.85;
  color: var(--wb-black);
}

.page-faq .faq-note {
  align-self: start;
  padding: 20px;
  border: 1px solid var(--wb-edge);
  border-left: 3px solid var(--wb-cyan);
  background: var(--wb-surface);
}

.page-faq .faq-note .wb-note__h {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--wb-black);
}

.page-faq .faq-note .wb-note__list {
  margin: 0;
  padding-left: 18px;
}

.page-faq .faq-note .wb-note__list li {
  margin-top: 8px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--wb-stone);
}

/* ---------- 订阅 ---------- */
.page-faq .faq-sub {
  padding: 52px 0 8px;
  scroll-margin-top: var(--faq-anchor);
}

.page-faq .faq-sub__grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-faq .faq-sub__card {
  padding: 22px 20px;
  border: 1px solid var(--wb-edge);
  background: var(--wb-surface);
  transition: transform .18s var(--wb-ease), border-color .18s var(--wb-ease);
}

.page-faq .faq-sub__card:hover {
  transform: translateY(-2px);
  border-color: var(--wb-clay);
}

.page-faq .faq-sub__card .wb-card__title {
  margin: 14px 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--wb-black);
}

.page-faq .faq-sub__card p {
  margin: 10px 0 0;
  line-height: 1.8;
  color: var(--wb-stone);
}

.page-faq .faq-sub__card .wb-card__meta {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--wb-edge);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--wb-stone);
}

.page-faq .faq-sub__more {
  margin: 24px 0 0;
  line-height: 1.85;
  color: var(--wb-stone);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-qa {
  padding: 56px 0 12px;
  scroll-margin-top: var(--faq-anchor);
}

.page-faq .faq-qa__list {
  margin-top: 28px;
  max-width: 62em;
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--wb-edge);
  border-left: 2px solid transparent;
  padding-left: 14px;
  transition: border-color .18s var(--wb-ease), background-color .18s var(--wb-ease);
}

.page-faq .faq-qa__list .faq-q:first-child {
  border-top: 1px solid var(--wb-edge);
}

.page-faq .faq-q[open] {
  border-left-color: var(--wb-cyan);
  background: rgba(52, 211, 222, .04);
}

.page-faq .faq-q summary {
  position: relative;
  display: block;
  padding: 18px 36px 18px 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.62;
  color: var(--wb-black);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q summary::marker {
  content: "";
}

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  font-family: var(--wb-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--wb-stone);
}

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

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

.page-faq .faq-q__a {
  margin: 0 0 20px;
  padding-right: 18px;
  line-height: 1.85;
  color: var(--wb-stone);
}

.page-faq .faq-copy {
  display: inline-block;
  margin-left: 8px;
  vertical-align: baseline;
  font-size: .75rem;
}

.page-faq .faq-copy[data-copied] {
  border-color: var(--wb-moss);
  color: var(--wb-moss);
}

/* ---------- 帮助 ---------- */
.page-faq .faq-help {
  margin-top: 44px;
  padding: 48px 0 56px;
  background: var(--wb-ink);
  color: var(--wb-paper);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-help__h {
  color: var(--wb-paper);
}

.page-faq .faq-help__p {
  margin: 14px 0 0;
  max-width: 44em;
  line-height: 1.85;
  color: rgba(246, 242, 233, .8);
}

.page-faq .faq-help__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-steps__link {
    flex-direction: row;
    gap: 12px;
  }

  .page-faq .faq-compare__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-faq .faq-sub__card {
    display: flex;
    flex-direction: column;
  }

  .page-faq .faq-sub__card .wb-card__meta {
    margin-top: auto;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 24px 0 64px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-hero__viz {
    justify-self: end;
  }

  .page-faq .faq-steps__inner {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-steps__rail {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    position: sticky;
    top: var(--faq-anchor);
  }

  .page-faq .faq-steps__link {
    border: 0;
    border-left: 2px solid var(--wb-edge);
    background: transparent;
    padding: 12px 0 12px 14px;
  }

  .page-faq .faq-steps__link:hover {
    transform: none;
    border-left-color: var(--wb-clay);
  }

  .page-faq .faq-read__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-help__acts {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-steps__link,
  .page-faq .faq-sub__card,
  .page-faq .faq-step,
  .page-faq .faq-q {
    transition: none;
  }

  .page-faq .faq-steps__link:hover,
  .page-faq .faq-sub__card:hover {
    transform: none;
  }
}