.page-faq {
  --faq-soft: rgba(200, 255, 61, 0.08);
  --faq-card: rgba(13, 38, 32, 0.78);
  background:
    radial-gradient(760px 420px at 88% -6%, rgba(200, 255, 61, 0.1), transparent 68%),
    radial-gradient(620px 380px at 4% 42%, rgba(255, 107, 53, 0.06), transparent 70%),
    linear-gradient(180deg, #061a16 0%, #04120f 58%, #061a16 100%);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 40px;
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-faq .breadcrumb__list a {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .breadcrumb__list a:hover,
.page-faq .breadcrumb__list a:focus-visible {
  color: var(--lime);
}

/* 首屏框景 */
.page-faq .kb-hero {
  padding: 22px 0 4px;
}

.page-faq .kb-hero__inner {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 22px 18px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(158deg, rgba(20, 54, 44, 0.72) 0%, rgba(6, 26, 22, 0.35) 62%, rgba(6, 26, 22, 0) 100%);
  box-shadow: inset 0 0 0 1px rgba(30, 74, 60, 0.35);
}

.page-faq .kb-hero__inner::before,
.page-faq .kb-hero__inner::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--lime);
  opacity: 0.75;
}

.page-faq .kb-hero__inner::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .kb-hero__inner::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--lime);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .eyebrow .mono {
  padding: 3px 7px;
  border: 1px solid rgba(200, 255, 61, 0.45);
  border-radius: 2px;
  color: var(--lime-soft);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.page-faq .kb-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 8vw, 58px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-faq .kb-hero__lede {
  margin: 16px 0 0;
  max-width: 38em;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

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

.page-faq .kb-quick {
  margin-top: 22px;
  padding: 12px 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(6px);
}

.page-faq .kb-quick__label {
  display: block;
  color: var(--lime);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-faq .kb-quick__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .kb-quick__list a {
  display: inline-block;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.page-faq .kb-quick__list a:hover,
.page-faq .kb-quick__list a:focus-visible {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--char);
}

.page-faq .kb-hero__meta {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

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

.page-faq .figure__media {
  position: relative;
  display: block;
  background:
    repeating-linear-gradient(90deg, rgba(30, 74, 60, 0.5) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(0deg, rgba(30, 74, 60, 0.5) 0 1px, transparent 1px 34px),
    linear-gradient(160deg, #0d2620, #061a16);
}

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

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

/* 主体两栏 */
.page-faq .kb-body {
  padding: 30px 0 0;
}

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

.page-faq .kb-rail__inner {
  display: grid;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
}

.page-faq .kb-rail__title {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

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

.page-faq .kb-index a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--paper);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-faq .kb-index a .mono {
  color: var(--lime);
  font-size: 11px;
}

.page-faq .kb-index a:hover,
.page-faq .kb-index a:focus-visible {
  border-left-color: var(--lime);
  background: var(--faq-soft);
  color: var(--lime-soft);
}

.page-faq .kb-help {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 38, 32, 0.62);
}

.page-faq .kb-help--fix {
  border-color: rgba(255, 107, 53, 0.42);
}

.page-faq .kb-help__title {
  margin: 0 0 8px;
  color: var(--lime);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-faq .kb-help--fix .kb-help__title {
  color: var(--orange-soft);
}

.page-faq .kb-help__list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .kb-help__list li {
  position: relative;
  padding-left: 12px;
}

.page-faq .kb-help__list li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--lime);
}

.page-faq .kb-help__text {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .kb-copy {
  display: inline-block;
  margin: 8px 0 0 8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
}

.page-faq .kb-copy:hover,
.page-faq .kb-copy:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

.page-faq .copy-status {
  display: block;
  margin-top: 8px;
  color: var(--lime-soft);
  font-size: 12px;
  line-height: 1.5;
}

/* 章节 */
.page-faq .kb-sec {
  padding-top: 26px;
  border-top: 1px solid var(--hairline);
  margin-top: 26px;
  scroll-margin-top: 120px;
}

.page-faq .kb-sec:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-faq .kb-sec__head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-faq .chapter-no {
  flex: none;
  display: inline-block;
  padding: 3px 7px;
  border: 1px solid rgba(200, 255, 61, 0.45);
  border-radius: 2px;
  color: var(--lime);
  font-size: 12px;
  line-height: 1.4;
}

.page-faq .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 5.4vw, 32px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.page-faq .section-note {
  margin: 10px 0 0;
  max-width: 40em;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

/* 步骤 */
.page-faq .kb-steps {
  counter-reset: kbstep;
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .kb-steps li {
  counter-increment: kbstep;
  position: relative;
  padding: 14px 14px 14px 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-card);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .kb-steps li::before {
  content: "0" counter(kbstep);
  position: absolute;
  top: 15px;
  left: 14px;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-faq .kb-steps li strong {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .kb-path-figure {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--faq-card);
}

/* 版本对照 */
.page-faq .kb-compare {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .kb-compare__card {
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  border-radius: var(--radius);
  background: var(--faq-card);
}

.page-faq .kb-compare__card--update {
  border-color: rgba(255, 107, 53, 0.4);
  border-left-color: var(--orange);
  background: linear-gradient(150deg, rgba(255, 107, 53, 0.11), rgba(13, 38, 32, 0.82) 62%);
}

.page-faq .kb-compare__name {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-faq .kb-compare__card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .kb-read {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .kb-read li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 11px 14px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .kb-read .mono {
  flex: none;
  min-width: 60px;
  color: var(--orange-soft);
  font-size: 12px;
}

/* 宽屏示意 */
.page-faq .kb-window {
  margin-top: 20px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 26, 22, 0.72);
}

.page-faq .kb-window__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.page-faq .kb-window__col {
  height: 42px;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, rgba(30, 74, 60, 0.6) 0 1px, transparent 1px 18px), rgba(30, 74, 60, 0.28);
}

.page-faq .kb-window__rail {
  height: 42px;
  border: 1px solid rgba(200, 255, 61, 0.55);
  border-radius: 2px;
  background: rgba(200, 255, 61, 0.16);
}

.page-faq .kb-window__labels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-faq .kb-window__labels-rail {
  color: var(--lime);
}

.page-faq .kb-plain {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .kb-plain li {
  padding: 12px 14px;
  border-left: 2px solid var(--line);
  background: rgba(13, 38, 32, 0.5);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .kb-plain strong {
  color: var(--paper);
  font-weight: 600;
}

/* 注册与纠错 */
.page-faq .kb-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 20px;
}

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

.page-faq .kb-stat__num {
  display: block;
  color: var(--lime);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
}

.page-faq .kb-stat__label {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.6;
}

.page-faq .kb-aside-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(20, 54, 44, 0.5);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}

.page-faq .kb-aside-note a,
.page-faq .kb-faq__body a {
  color: var(--lime-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .kb-aside-note a:hover,
.page-faq .kb-faq__body a:hover {
  color: var(--lime);
}

/* 常见问题折叠 */
.page-faq .kb-faq {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .kb-faq__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-card);
  scroll-margin-top: 120px;
}

.page-faq .kb-faq__item summary {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color 180ms ease, background-color 180ms ease;
}

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

.page-faq .kb-faq__item summary .mono {
  flex: none;
  color: var(--lime);
  font-size: 11px;
  font-weight: 400;
  padding-top: 3px;
}

.page-faq .kb-faq__item summary::after {
  content: "+";
  margin-left: auto;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.2;
}

.page-faq .kb-faq__item[open] summary::after {
  content: "–";
}

.page-faq .kb-faq__item summary:hover,
.page-faq .kb-faq__item summary:focus-visible {
  background: rgba(200, 255, 61, 0.06);
  color: var(--lime-soft);
}

.page-faq .kb-faq__item[open] {
  border-color: rgba(200, 255, 61, 0.4);
}

.page-faq .kb-faq__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--hairline);
  margin-top: 2px;
  padding-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .kb-faq__body p {
  margin: 0 0 8px;
}

.page-faq .kb-faq__body p:last-child {
  margin-bottom: 0;
}

/* 断点 */
@media (min-width: 640px) {
  .page-faq .kb-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-faq .kb-window__body {
    grid-template-columns: 1fr 1fr 0.7fr;
  }

  .page-faq .kb-window__labels {
    grid-template-columns: 1fr 1fr 0.7fr;
    text-align: left;
  }
}

@media (min-width: 980px) {
  .page-faq .kb-hero {
    padding-top: 28px;
  }

  .page-faq .kb-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 32px;
    padding: 34px 32px 36px;
  }

  .page-faq .kb-hero__lede {
    font-size: 16px;
  }

  .page-faq .kb-body {
    padding-top: 38px;
  }

  .page-faq .kb-sec {
    padding-top: 34px;
    margin-top: 34px;
  }
}

@media (min-width: 1120px) {
  .page-faq .kb-body__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .kb-rail__inner {
    position: sticky;
    top: calc(var(--header-offset) + 16px);
  }

  .page-faq .kb-faq__item summary {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .kb-quick__list a,
  .page-faq .kb-index a,
  .page-faq .kb-faq__item summary {
    transition: none;
  }
}
<<<END>>>