.page-faq {
  color: var(--frost);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-mast {
  position: relative;
  padding: clamp(18px, 3vw, 30px) 0 clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 110% at 88% -12%, rgba(39, 224, 200, 0.16), transparent 58%),
    radial-gradient(90% 100% at 0% 112%, rgba(47, 125, 246, 0.2), transparent 62%);
  overflow: hidden;
}

.page-faq .faq-mast::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--aurora), rgba(47, 125, 246, 0.4) 38%, transparent 82%);
  pointer-events: none;
}

.page-faq .faq-mast__grid {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  margin-top: clamp(16px, 3vw, 28px);
  align-items: end;
}

.page-faq .faq-mast__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.78;
  color: var(--steel);
}

.page-faq .faq-mast__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-faq .faq-mast__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-chips a {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  color: var(--steel);
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  color: var(--ink);
  background: var(--aurora);
  border-color: var(--aurora);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(26px, 4vw, 56px) 0 clamp(40px, 6vw, 88px);
}

.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--silver);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-index__list li {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 8px 10px 6px;
  font-size: 0.88rem;
  color: var(--steel);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--frost);
  border-left-color: var(--aurora);
  background: rgba(14, 35, 60, 0.72);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--aurora);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-index__box {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, rgba(14, 35, 60, 0.9), rgba(7, 20, 38, 0.6));
}

.page-faq .faq-index__box-title {
  margin: 0 0 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--frost);
}

.page-faq .faq-index__box-text {
  margin: 0 0 14px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 章节 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-sec__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--aurora);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--frost);
}

/* ---------- 费用小条 ---------- */
.page-faq .fee-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 18px 0 14px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .fee-strip__cell {
  position: relative;
  padding: 14px 16px;
  background: var(--ink-panel);
}

.page-faq .fee-strip__cell--hot::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--signal);
}

.page-faq .fee-strip__name {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .fee-strip__price {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  font-variant-numeric: tabular-nums;
  color: var(--frost);
  line-height: 1.1;
}

.page-faq .fee-strip__price span {
  margin-left: 5px;
  font-size: 0.7rem;
  color: var(--silver);
}

.page-faq .fee-strip__sub {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--aurora);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
  transition: background 0.22s var(--ease);
}

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(39, 224, 200, 0.07), transparent 46%);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 4px 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--frost);
}

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

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--aurora);
  outline-offset: 3px;
}

.page-faq .qa__mark {
  flex: none;
  padding-top: 2px;
  min-width: 2.1em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--silver);
  font-variant-numeric: tabular-nums;
}

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

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

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--aurora);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.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;
}

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

.page-faq .qa__a {
  padding: 0 16px 18px 2.1em;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--steel);
}

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

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

.page-faq .qa__a a {
  color: var(--aurora);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 终端图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-panel);
}

.page-faq .faq-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-faq .faq-figure .media__caption {
  display: block;
  padding: 10px 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--silver);
  border-top: 1px solid var(--line);
}

.page-faq .term-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 14px 0 6px;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .term-grid li {
  padding: 13px 14px;
  background: var(--ink-panel);
}

.page-faq .term-grid__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--aurora);
}

.page-faq .term-grid__n {
  margin: 5px 0 0;
  font-size: 0.92rem;
  color: var(--frost);
}

/* ---------- 客服渠道 ---------- */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 18px 0 12px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-channels__cell {
  padding: 16px;
  background: var(--ink-panel);
}

.page-faq .faq-channels__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--silver);
}

.page-faq .faq-channels__note {
  margin: 10px 0 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .copy-chip {
  max-width: 100%;
  word-break: break-all;
}

/* ---------- 栏目目录 ---------- */
.page-faq .dir-list {
  list-style: none;
  margin: 18px 0 8px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-faq .dir-list__item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .dir-list__num {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ice);
  font-variant-numeric: tabular-nums;
}

.page-faq .dir-list__name {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--frost);
}

.page-faq .dir-list__name a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .dir-list__name a:hover,
.page-faq .dir-list__name a:focus-visible {
  color: var(--aurora);
  border-color: var(--aurora);
}

.page-faq .dir-list__desc {
  margin: 5px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .fee-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 880px) {
  .page-faq .faq-mast__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 258px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .page-faq .qa summary {
    font-size: 1rem;
  }

  .page-faq .qa__a {
    font-size: 0.94rem;
    padding-right: 48px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 286px) minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-chips a,
  .page-faq .faq-index__list a,
  .page-faq .dir-list__name a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>