.page-faq {
  --faq-panel: rgba(14, 22, 51, .72);
  --faq-glow: rgba(43, 245, 192, .18);
  --faq-violet-glow: rgba(123, 92, 255, .2);
  background: var(--ink-950);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 4vw, 42px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -20% auto -20%;
  height: 155%;
  z-index: -1;
  background:
    radial-gradient(55% 55% at 16% 6%, var(--faq-glow), transparent 68%),
    radial-gradient(45% 45% at 90% 0%, var(--faq-violet-glow), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(154, 166, 201, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(154, 166, 201, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 78%);
  pointer-events: none;
}

.page-faq .faq-hero__head {
  margin-top: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-title {
  margin: 14px 0 0;
  font-size: clamp(29px, 5.6vw, 62px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
  max-width: 16em;
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.8;
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot {
  margin-top: clamp(26px, 4vw, 46px);
}

.page-faq .faq-hot__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: 14px;
}

.page-faq .faq-hot__head h2 {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: .01em;
}

.page-faq .faq-hot__note {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--text-mute);
}

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

.page-faq .faq-hot__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--faq-panel), rgba(7, 11, 31, .55));
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .faq-hot__item:hover {
  border-color: rgba(43, 245, 192, .4);
  transform: translateY(-1px);
}

.page-faq .faq-hot__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
  padding-top: 3px;
}

.page-faq .faq-hot__q {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-hot__a {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-hot__item .btn {
  grid-column: 2;
  justify-self: start;
}

@media (min-width: 820px) {
  .page-faq .faq-hot__item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    padding: 15px 20px;
  }

  .page-faq .faq-hot__item .btn {
    grid-column: auto;
    justify-self: end;
  }
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  align-items: start;
}

@media (min-width: 980px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 88px;
  }
}

.page-faq .faq-toc {
  border: 1px solid var(--line);
  border-left: 2px solid var(--signal);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  padding: 16px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-faq .faq-toc__nav {
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 8px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: rgba(43, 245, 192, .1);
  color: var(--text);
}

.page-faq .faq-toc__link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--signal);
}

.page-faq .faq-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-mute);
}

/* ---------- 问答组 ---------- */
.page-faq .qa-group + .qa-group {
  margin-top: clamp(30px, 4.5vw, 52px);
}

.page-faq .qa-group__head {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2px;
  scroll-margin-top: 90px;
}

.page-faq .qa-group__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--signal);
}

.page-faq .qa-group__head h2 {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 26px);
  letter-spacing: -.01em;
}

.page-faq .qa-group__intro {
  margin: 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .qa {
  position: relative;
  padding-left: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--ink-800);
  transition: background .25s var(--ease);
}

.page-faq .qa[open]::before {
  background: var(--signal);
}

.page-faq .qa__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color .2s var(--ease);
}

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

.page-faq .qa__sum:hover {
  color: var(--signal-soft);
}

.page-faq .qa__sum:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 13px;
  height: 13px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--signal);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-faq .qa__mark::before {
  left: 0;
  right: 0;
  top: 5.5px;
  height: 2px;
}

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 5.5px;
  width: 2px;
}

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

.page-faq .qa__body {
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

.page-faq .qa__path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--signal);
}

.page-faq .qa__path .btn {
  font-family: var(--font-sans);
  letter-spacing: 0;
}

/* ---------- 路径示意 ---------- */
.page-faq .faq-paths__intro {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-paths__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(18px, 3vw, 28px);
}

@media (min-width: 860px) {
  .page-faq .faq-paths__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 28px;
  }
}

.page-faq .faq-paths__map {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(24, 34, 71, .65), rgba(7, 11, 31, .55));
}

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

.page-faq .faq-map .map-line {
  fill: none;
  stroke: var(--ink-800);
  stroke-width: 1.5;
}

.page-faq .faq-map .map-start {
  fill: var(--signal);
}

.page-faq .faq-map .map-box {
  fill: rgba(14, 22, 51, .92);
  stroke: var(--ink-800);
  stroke-width: 1;
}

.page-faq .faq-map .map-box-text {
  fill: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-map .map-label {
  fill: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-faq .faq-map .map-step {
  fill: var(--signal-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
}

.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .step-list__item {
  display: grid;
  grid-template-columns: minmax(92px, auto) minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  font-size: 13.5px;
}

.page-faq .step-list__label {
  color: var(--text);
}

.page-faq .step-list__track {
  position: relative;
  height: 6px;
  border-radius: 99px;
  background: var(--ink-800);
  overflow: hidden;
}

.page-faq .step-list__fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--signal), var(--violet));
}

.page-faq .step-list__fill--two {
  width: 100%;
}

.page-faq .step-list__fill--one {
  width: 55%;
}

.page-faq .step-list__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-faq .faq-paths__figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .faq-paths__figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--text-mute);
}

/* ---------- 更新节奏 ---------- */
.page-faq .faq-rhythm__grid {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-faq .faq-rhythm__grid {
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    gap: 40px;
  }
}

.page-faq .faq-rhythm__figure {
  margin: 0;
  max-width: 420px;
}

.page-faq .faq-rhythm__lead {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-rhythm__table {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink-900);
}

.page-faq .faq-rhythm__table .data-table {
  min-width: 460px;
}

/* ---------- 联系收束 ---------- */
.page-faq .faq-help__card {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 38px);
  border: 1px solid rgba(43, 245, 192, .26);
  border-radius: var(--radius);
  background:
    radial-gradient(70% 120% at 100% 0%, rgba(123, 92, 255, .22), transparent 62%),
    linear-gradient(180deg, rgba(14, 22, 51, .92), rgba(7, 11, 31, .86));
}

.page-faq .faq-help__card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--signal), var(--violet));
}

.page-faq .faq-help__lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

@media (min-width: 680px) {
  .page-faq .faq-help__list {
    grid-template-columns: 1fr 1fr;
  }
}

.page-faq .faq-help__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(7, 11, 31, .5);
}

.page-faq .faq-help__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-faq .faq-help__val {
  font-size: 14.5px;
  color: var(--text);
  text-decoration: none;
  word-break: break-word;
}

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

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
<<<END>>>