.page-faq {
  --faq-index-w: 250px;
  --faq-rule: 1px solid var(--line);
  --faq-rule-strong: 1px solid var(--line-strong);
  color: var(--paper);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq__intro {
  padding: clamp(16px, 3vw, 30px) 0 clamp(22px, 3.5vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 4vw, 42px);
  border: var(--faq-rule-strong);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -18% -8% auto -8%;
  height: 82%;
  background: linear-gradient(100deg, rgba(23, 69, 54, .95), rgba(8, 13, 11, 0) 72%);
  clip-path: polygon(0 0, 100% 0, 58% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border: 1px solid var(--line);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero__text,
.page-faq .faq-hero__meta {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 clamp(12px, 1.6vw, 18px);
  font-size: clamp(26px, 5.4vw, 46px);
  line-height: 1.24;
  letter-spacing: -0.03em;
  max-width: 22ch;
}

.page-faq .faq-hero .lede {
  margin: 0 0 clamp(16px, 2vw, 24px);
  max-width: 62ch;
  color: var(--cyan-soft);
  line-height: 1.75;
}

.page-faq .faq-hero__meta {
  align-self: start;
  padding: clamp(16px, 2.4vw, 22px);
  border: var(--faq-rule);
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-faq .faq-range {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 8vw, 54px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-hero__rangetext {
  margin: 6px 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-meta-list {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-top: 8px;
  border-top: var(--faq-rule);
  font-size: 13px;
}

.page-faq .faq-meta-row dt {
  color: var(--muted);
}

.page-faq .faq-meta-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

/* ---------- 主体分栏 ---------- */
.page-faq__body {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(42px, 6vw, 76px);
}

.page-faq .faq-index {
  border: var(--faq-rule);
  background: rgba(12, 36, 28, .7);
}

.page-faq .faq-index__title {
  margin: 0;
  padding: 10px 12px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 12px 12px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--cyan-soft);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(55, 240, 192, .08);
}

.page-faq .faq-flow {
  display: grid;
  gap: clamp(30px, 5vw, 54px);
  min-width: 0;
}

.page-faq .faq-sec {
  scroll-margin-top: 96px;
}

.page-faq .faq-sec .section-head {
  margin-bottom: clamp(12px, 2vw, 18px);
}

.page-faq .faq-sec .section-title {
  font-size: clamp(20px, 3.4vw, 29px);
  line-height: 1.32;
  letter-spacing: -0.02em;
}

.page-faq .faq-p {
  margin: 0 0 clamp(14px, 2vw, 20px);
  max-width: 70ch;
  color: var(--cyan-soft);
  line-height: 1.78;
}

.page-faq .media-frame {
  margin: clamp(14px, 2vw, 22px) 0;
  border: var(--faq-rule);
  background: rgba(12, 36, 28, .55);
  overflow: hidden;
}

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

.page-faq .media-frame__caption {
  padding: 10px 14px;
  border-top: var(--faq-rule);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 版本点阵 ---------- */
.page-faq .faq-matrix {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  padding: 10px;
  box-sizing: border-box;
  border: var(--faq-rule);
  background: rgba(8, 13, 11, .72);
}

.page-faq .faq-matrix__label {
  font-family: var(--font-mono);
  font-size: 15px;
  fill: var(--paper);
}

.page-faq .faq-matrix__state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  fill: var(--cyan-soft);
}

/* ---------- 分段切换 ---------- */
.page-faq .faq-tabs {
  border-top: var(--faq-rule-strong);
  padding-top: clamp(14px, 2vw, 20px);
}

.page-faq .faq-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq .faq-tabs .tabs__tab {
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .faq-tabs .tabs__tab[aria-selected="true"] {
  border-color: var(--cyan);
  background: rgba(55, 240, 192, .12);
  color: var(--paper);
}

.page-faq .faq-tabs .tabs__tab:hover,
.page-faq .faq-tabs .tabs__tab:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-faq .faq-tabs .tabs__panel {
  padding: clamp(14px, 2vw, 20px);
  border-left: 3px solid var(--cyan);
  background: rgba(23, 69, 54, .45);
}

.page-faq .faq-tabs .tabs__panel .faq-p {
  margin-bottom: 0;
}

/* ---------- 检索步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(14px, 2vw, 22px);
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(14px, 2vw, 20px) 0;
  border-top: var(--faq-rule);
}

.page-faq .faq-step:last-child {
  border-bottom: var(--faq-rule);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
}

.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-size: clamp(15px, 2vw, 17px);
  letter-spacing: -0.01em;
}

.page-faq .faq-step p {
  margin: 0;
  color: var(--cyan-soft);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 伤停标签 ---------- */
.page-faq .faq-defs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-def {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 13px 0;
  border-top: var(--faq-rule);
}

.page-faq .faq-def:last-child {
  border-bottom: var(--faq-rule);
}

.page-faq .faq-def__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-def p {
  margin: 0;
  color: var(--cyan-soft);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 时间轴 ---------- */
.page-faq .faq-timeline {
  list-style: none;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  padding: 0;
  border-left: 1px solid var(--line-strong);
}

.page-faq .faq-timeline__row {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 12px 0 16px 20px;
}

.page-faq .faq-timeline__row::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 20px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  background: var(--ink);
}

.page-faq .faq-timeline__row--signal {
  background: rgba(255, 138, 61, .1);
  box-shadow: inset 3px 0 0 var(--signal);
}

.page-faq .faq-timeline__row--signal::before {
  border-color: var(--signal);
  background: var(--signal);
}

.page-faq .faq-timeline__time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--signal);
}

.page-faq .faq-timeline__row:not(.faq-timeline__row--signal) .faq-timeline__time {
  color: var(--cyan);
}

.page-faq .faq-timeline__title {
  margin: 0 0 4px;
  font-size: 15.5px;
}

.page-faq .faq-timeline p {
  margin: 0;
  color: var(--cyan-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc {
  border-top: var(--faq-rule-strong);
}

.page-faq .faq-item {
  border-bottom: var(--faq-rule);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 4px 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(14.5px, 1.9vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color 180ms var(--ease), background-color 180ms var(--ease);
}

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

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

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
  padding-top: 3px;
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__sign {
  flex: none;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

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

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

.page-faq .faq-item__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--cyan);
  box-shadow: inset 3px 0 0 var(--cyan);
  padding-left: 14px;
}

.page-faq .faq-item__a {
  padding: 0 4px 18px 26px;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 68ch;
  color: var(--cyan-soft);
  font-size: 14.5px;
  line-height: 1.76;
}

/* ---------- 联系准备 ---------- */
.page-faq .faq-help {
  padding: clamp(18px, 3vw, 30px);
  border: var(--faq-rule-strong);
  background: linear-gradient(155deg, rgba(92, 32, 51, .62), rgba(12, 36, 28, .94) 68%);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help__list li {
  padding-left: 16px;
  position: relative;
  color: var(--cyan-soft);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-faq .faq-help__list strong {
  color: var(--paper);
}

.page-faq .faq-help__contact {
  padding: 14px 0 16px;
  border-top: var(--faq-rule);
  border-bottom: var(--faq-rule);
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-faq .faq-help__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-help__mail {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 19px);
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-help__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan-soft);
}

.page-faq .faq-help .btn-row {
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-def {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-faq .faq-timeline__row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 16px;
    padding-left: 24px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) 262px;
    align-items: end;
  }

  .page-faq .faq-hero::before {
    height: 100%;
    clip-path: polygon(0 0, 100% 0, 46% 100%, 0 100%);
  }

  .page-faq .faq-matrix {
    padding: 16px;
  }
}

@media (min-width: 960px) {
  .page-faq__body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-index__list {
    display: grid;
    overflow: visible;
    gap: 4px;
  }

  .page-faq .faq-index__link {
    justify-content: flex-start;
    white-space: normal;
    border-color: transparent;
    border-bottom: var(--faq-rule);
  }

  .page-faq .faq-index__link:last-child {
    border-bottom: 0;
  }

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

@media (min-width: 1180px) {
  .page-faq {
    --faq-index-w: 272px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) 296px;
    padding: 46px;
  }
}
<<<PAGE_CSS_END>>>