.page-faq {
  --kb-toc-col: 268px;
  background: var(--ink);
  color: var(--bone);
}

.page-faq .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-faq .kb-hero {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(24px, 4vw, 54px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-faq .kb-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .kb-hero h1 {
  margin: 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-size: clamp(27px, 6vw, 52px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--bone);
  text-shadow: 0 0 20px rgba(47, 227, 208, 0.16);
}

.page-faq .kb-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: #d6dbd1;
}

.page-faq .kb-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-faq .kb-hero__meta b {
  color: var(--cyan);
  font-weight: 600;
}

.page-faq .kb-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .kb-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 主体双栏 ---------- */
.page-faq .kb-body {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(26px, 4vw, 50px) 0 clamp(40px, 6vw, 80px);
}

/* ---------- 目录树 ---------- */
.page-faq .kb-toc {
  align-self: start;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 14px 18px;
}

.page-faq .kb-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-faq .kb-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .kb-toc__list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 10px 8px 10px 10px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--bone);
  font-size: 14px;
  line-height: 1.4;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.page-faq .kb-toc__list a:hover,
.page-faq .kb-toc__list a:focus-visible {
  background: rgba(47, 227, 208, 0.06);
  border-left-color: var(--line);
}

.page-faq .kb-toc__list a[aria-current="true"] {
  border-left-color: var(--cyan);
  background: rgba(47, 227, 208, 0.09);
  color: var(--cyan);
}

.page-faq .kb-toc__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--steel);
}

.page-faq .kb-toc__list a[aria-current="true"] .kb-toc__no {
  color: var(--amber);
}

.page-faq .kb-toc__name {
  letter-spacing: 0.01em;
}

.page-faq .kb-toc__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--amber);
}

.page-faq .kb-toc__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--clay);
}

/* ---------- 分节 ---------- */
.page-faq .kb-flow {
  display: grid;
  gap: clamp(38px, 5vw, 64px);
  min-width: 0;
}

.page-faq .kb-section {
  min-width: 0;
}

.page-faq .kb-section__lede {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: #cfd6cd;
}

/* ---------- 栏目选择 ---------- */
.page-faq .kb-pick {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .kb-pick__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-faq .kb-pick__row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .kb-pick__no {
  width: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.page-faq .kb-pick__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .kb-pick__count {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
}

.page-faq .kb-pick__time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--cyan);
}

.page-faq .kb-pick__link {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, 0.4);
  padding-bottom: 1px;
}

.page-faq .kb-pick__link:hover,
.page-faq .kb-pick__link:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-faq .kb-pick__desc {
  flex: 1 0 100%;
  margin: 4px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: #cfd6cd;
}

/* ---------- 图文块 ---------- */
.page-faq .kb-figure {
  margin: 20px 0 4px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .kb-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .kb-figure__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--clay);
}

/* ---------- 问答流 ---------- */
.page-faq .kb-qa {
  margin-top: 14px;
}

.page-faq .kb-q {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-faq .kb-q:last-child {
  border-bottom: 1px solid var(--line);
}

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

.page-faq .kb-q__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .kb-q__answer {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-faq .kb-q__answer p {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: #cfd6cd;
}

.page-faq .kb-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, 0.45);
}

.page-faq .kb-inline:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 步骤清单 ---------- */
.page-faq .kb-steps {
  list-style: none;
  counter-reset: kbstep;
  display: grid;
  gap: 8px;
  margin: 2px 0 0;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--line);
}

.page-faq .kb-steps li {
  position: relative;
  counter-increment: kbstep;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.75;
  color: #cfd6cd;
}

.page-faq .kb-steps li::before {
  content: counter(kbstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 小标签 ---------- */
.page-faq .kb-chip {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border: 1px solid rgba(240, 176, 60, 0.5);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
  vertical-align: middle;
}

/* ---------- 直连信息 ---------- */
.page-faq .kb-direct {
  display: grid;
  gap: 4px;
  margin-top: 22px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: var(--panel);
}

.page-faq .kb-direct__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-faq .kb-direct__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  color: var(--bone);
  word-break: break-all;
}

.page-faq .kb-direct__hint {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--clay);
}

/* ---------- 更新节奏 ---------- */
.page-faq .kb-cadence {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-faq .kb-cadence__cell {
  background: var(--panel);
  padding: 18px 16px;
}

.page-faq .kb-cadence__cell .num {
  display: block;
  font-size: clamp(28px, 4.4vw, 40px);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .kb-cadence__cell p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--clay);
}

.page-faq .kb-next {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.85;
  color: #cfd6cd;
}

.page-faq .kb-next a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, 0.45);
}

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

/* ---------- 焦点可见性 ---------- */
.page-faq a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .kb-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

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

@media (min-width: 860px) {
  .page-faq .kb-q {
    grid-template-columns: 74px minmax(0, 1fr);
    column-gap: 20px;
    align-items: start;
  }

  .page-faq .kb-q__no {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 5px;
  }

  .page-faq .kb-q__title,
  .page-faq .kb-q__answer {
    grid-column: 2;
  }
}

@media (min-width: 1024px) {
  .page-faq .kb-body {
    grid-template-columns: var(--kb-toc-col) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .kb-toc {
    position: sticky;
    top: calc(var(--header-top-h) + var(--header-main-h) + 16px);
  }
}
<<<END>>>