.page-faq {
  --kb-gap: clamp(16px, 3vw, 32px);
  --kb-panel: #0C2238;
  --kb-line-soft: rgba(27, 59, 82, 0.55);
  --kb-body-text: #d8d3c8;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: calc(var(--step) * 10);
}

.page-faq .breadcrumbs {
  padding-block: calc(var(--step) * 3) calc(var(--step) * 2);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-faq .breadcrumbs a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- Hero ---------- */
.page-faq .kb-hero {
  position: relative;
  background: var(--kb-panel);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  overflow: hidden;
}

.page-faq .kb-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 87px, var(--kb-line-soft) 87px 88px),
    repeating-linear-gradient(0deg, transparent 0 87px, var(--kb-line-soft) 87px 88px);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .kb-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--kb-gap);
  padding-block: calc(var(--step) * 5) calc(var(--step) * 4);
}

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

.page-faq .kb-hero .eyebrow {
  color: var(--mint);
  font-size: 11px;
  letter-spacing: 0.24em;
  margin: 0;
}

.page-faq .kb-hero h1 {
  margin: calc(var(--step) * 2) 0 0;
  font-size: clamp(2rem, 6.2vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  font-weight: 800;
  max-width: 22ch;
  color: var(--paper);
}

.page-faq .kb-hero__lede {
  margin: calc(var(--step) * 2) 0 0;
  max-width: 56ch;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.72;
  color: var(--stone);
}

.page-faq .kb-hero__aside {
  display: none;
}

.page-faq .kb-facts-wrap {
  position: relative;
  z-index: 1;
  padding-bottom: calc(var(--step) * 4);
}

.page-faq .kb-facts {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-faq .kb-facts__item {
  border-top: 2px solid var(--line);
  padding-top: 8px;
  min-width: 0;
}

.page-faq .kb-facts dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-faq .kb-facts dd {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-size: clamp(1.05rem, 2.6vw, 1.45rem);
  font-weight: 700;
  color: var(--mint);
  letter-spacing: 0.02em;
}

/* ---------- Tools ---------- */
.page-faq .kb-tools {
  display: grid;
  gap: calc(var(--step) * 2);
  padding-block: calc(var(--step) * 4);
}

.page-faq .kb-search {
  border: 2px solid var(--line);
  background: rgba(12, 34, 56, 0.7);
  padding: 12px 14px;
  box-shadow: 4px 4px 0 rgba(27, 59, 82, 0.5);
}

.page-faq .kb-search__label {
  display: block;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mint);
  margin-bottom: 6px;
}

.page-faq .kb-search__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--stone);
}

.page-faq .kb-search kbd {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 11px;
  padding: 1px 5px;
  border: 1px solid var(--line);
  color: var(--paper);
  background: var(--ink);
  border-radius: var(--radius);
}

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

.page-faq .kb-jump a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: rgba(12, 34, 56, 0.55);
  color: var(--paper);
  text-decoration: none;
  font-size: 13px;
  border-radius: var(--radius);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.page-faq .kb-jump a:hover,
.page-faq .kb-jump a:focus-visible {
  border-color: var(--mint);
  color: var(--mint);
}

.page-faq .kb-jump a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-faq .kb-jump__no {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--mint-deep);
}

/* ---------- Body layout ---------- */
.page-faq .kb-body {
  display: grid;
  gap: calc(var(--step) * 4);
  padding-block: calc(var(--step) * 4) calc(var(--step) * 8);
}

.page-faq .kb-body > * {
  min-width: 0;
}

.page-faq .kb-index {
  border: 2px solid var(--line);
  background: var(--kb-panel);
  padding: 16px;
}

.page-faq .kb-index__title {
  margin: 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-faq .kb-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .kb-index__list a {
  display: block;
  padding: 8px 0 8px 12px;
  border-left: 2px solid var(--line);
  color: var(--stone);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.45;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.page-faq .kb-index__list a:hover,
.page-faq .kb-index__list a:focus-visible {
  border-left-color: var(--mint);
  color: var(--paper);
}

.page-faq .kb-index__list a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

/* ---------- Blocks ---------- */
.page-faq .kb-questions {
  display: grid;
  gap: calc(var(--step) * 6);
}

.page-faq .kb-block {
  scroll-margin-top: calc(var(--step) * 3);
}

.page-faq .kb-block__head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border-bottom: 2px solid var(--line);
  padding-bottom: 12px;
  margin-bottom: 18px;
}

.page-faq .kb-block__no {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--mint);
  padding-top: 6px;
  flex: none;
}

.page-faq .kb-block__title {
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .kb-block__note {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- Q&A accordion ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 2px solid var(--line);
  background: var(--kb-panel);
  box-shadow: 4px 4px 0 rgba(27, 59, 82, 0.55);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 14px;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(0.94rem, 1.8vw, 1rem);
  font-weight: 600;
  line-height: 1.45;
}

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

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

.page-faq .qa__no {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--mint-deep);
}

.page-faq .qa__q {
  min-width: 0;
  color: var(--paper);
}

.page-faq .qa__sign {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--mint);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.15s ease;
}

.page-faq .qa[open] {
  border-color: var(--mint-deep);
  box-shadow: inset 4px 0 0 var(--mint), 4px 4px 0 rgba(27, 59, 82, 0.55);
}

.page-faq .qa[open] .qa__summary {
  background: rgba(77, 255, 210, 0.06);
  border-bottom: 1px dashed var(--line);
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
}

.page-faq .qa__body {
  padding: 0 16px 18px;
}

.page-faq .qa__body > p {
  margin: 14px 0 10px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--kb-body-text);
}

.page-faq .qa__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .qa__steps li {
  position: relative;
  padding-left: 14px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-faq .qa__steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 2px;
  background: var(--mint-deep);
}

/* ---------- Timeline SVG ---------- */
.page-faq .kb-timeline {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 20px;
  background: rgba(12, 34, 56, 0.6);
  border: 1px solid var(--line);
  padding: 8px;
  box-sizing: border-box;
}

.page-faq .kb-timeline__num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  fill: var(--mint);
}

.page-faq .kb-timeline__num--amber {
  fill: var(--amber);
  font-size: 17px;
}

.page-faq .kb-timeline__label {
  font-family: var(--font-body);
  font-size: 12px;
  fill: var(--stone);
}

/* ---------- Mobile split ---------- */
.page-faq .kb-mobile-split {
  display: grid;
  gap: calc(var(--step) * 3);
}

.page-faq .kb-shot {
  margin: 0;
}

.page-faq .media-frame {
  margin: 0;
}

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

.page-faq .media-frame__caption {
  font-size: 12px;
  line-height: 1.55;
  color: var(--stone);
  padding-top: 8px;
}

/* ---------- Contact panel ---------- */
.page-faq .kb-contact {
  margin-top: calc(var(--step) * 3);
  background: var(--paper);
  color: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 28px);
  min-width: 0;
}

.page-faq .kb-contact__title {
  margin: 0 0 6px;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .kb-contact__note {
  margin: 0 0 18px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: #3b4a56;
}

.page-faq .kb-contact__rows {
  display: grid;
  gap: 14px;
}

.page-faq .kb-contact__row {
  border-top: 2px solid var(--ink);
  padding-top: 10px;
  min-width: 0;
}

.page-faq .kb-contact__label {
  display: block;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #5a6a76;
}

.page-faq .kb-contact__value {
  display: block;
  margin: 4px 0 10px;
  font-family: var(--font-num);
  font-size: clamp(0.88rem, 2.1vw, 1.02rem);
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .kb-copy {
  font-family: var(--font-body);
  font-size: 12px;
  padding: 6px 12px;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.page-faq .kb-copy:hover {
  background: var(--ink);
  color: var(--mint);
}

.page-faq .kb-copy:focus-visible {
  outline: 2px solid var(--mint-deep);
  outline-offset: 2px;
}

.page-faq .kb-copy[data-copied]::after {
  content: " · 已复制";
}

.page-faq .kb-flow {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .kb-flow li {
  border-left: 3px solid var(--mint-deep);
  padding-left: 12px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #2c3a45;
}

.page-faq .kb-flow strong {
  display: block;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint-deep);
  margin-bottom: 3px;
}

.page-faq .kb-contact__figure {
  margin-top: 22px;
}

/* ---------- Media queries ---------- */
@media (min-width: 560px) {
  .page-faq .kb-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 760px) {
  .page-faq .kb-mobile-split {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
    gap: calc(var(--step) * 3);
  }

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

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

@media (min-width: 900px) {
  .page-faq .kb-hero__inner {
    grid-template-columns: minmax(0, 1fr) 120px;
    align-items: end;
  }

  .page-faq .kb-hero__aside {
    display: flex;
    justify-content: flex-end;
    border-left: 2px solid var(--line);
    padding-left: 16px;
    min-height: 100%;
  }

  .page-faq .annotation--vertical {
    writing-mode: vertical-rl;
    font-family: var(--font-num);
    font-size: 11px;
    letter-spacing: 0.36em;
    color: var(--mint);
    margin: 0;
  }

  .page-faq .kb-tools {
    grid-template-columns: 320px minmax(0, 1fr);
    align-items: start;
    gap: calc(var(--step) * 3);
  }

  .page-faq .kb-body {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: calc(var(--step) * 5);
    align-items: start;
  }

  .page-faq .kb-index {
    position: sticky;
    top: calc(var(--step) * 3);
  }

  .page-faq .kb-mobile-split {
    grid-template-columns: minmax(0, 1fr) 270px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__sign::after,
  .page-faq .qa,
  .page-faq .kb-jump a,
  .page-faq .kb-index__list a,
  .page-faq .kb-copy {
    transition: none;
  }
}
<<<END>>>