.page-faq {
  --faq-gap: clamp(14px, 2.4vw, 22px);
  --faq-panel: rgba(13, 27, 46, 0.72);
  --faq-card: rgba(13, 27, 46, 0.92);
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-faq .crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(22px, 4vw, 44px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -10% -30% auto 40%;
  height: 130%;
  background: linear-gradient(112deg, transparent 34%, rgba(255, 77, 31, 0.14) 48%, rgba(25, 227, 209, 0.12) 56%, transparent 70%);
  pointer-events: none;
  transform: rotate(-6deg);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-faq .faq-hero__text h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 8.6vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-hero__text .lead {
  max-width: 44ch;
  color: var(--paper-soft);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
}

.page-faq .faq-hero__quick {
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-faint);
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-faq .faq-hero__quick li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .faq-hero__num {
  font-size: clamp(22px, 3.4vw, 30px);
  color: var(--gold);
  line-height: 1;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--faq-panel);
  position: relative;
}

.page-faq .faq-hero__figure::before,
.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--flame);
  pointer-events: none;
}

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

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

.page-faq .faq-hero__figure .media {
  max-width: 380px;
  margin: 0 auto;
}

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

.page-faq .faq-hero__cap {
  font-size: 11.5px;
  color: var(--mist);
  letter-spacing: 0.02em;
  padding: 10px 4px 2px;
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.page-faq .faq-hero__cap .mono {
  color: var(--cyan);
}

/* ---------- 通用章节头 ---------- */
.page-faq .faq-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-faq .faq-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.005em;
  margin: 8px 0 12px;
  color: var(--paper);
}

.page-faq .faq-head p {
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.76;
  margin: 0;
}

/* ---------- 速查三步 ---------- */
.page-faq .faq-steps {
  padding-top: clamp(44px, 7vw, 88px);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: 1fr;
  counter-reset: none;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--faq-card);
  border: 1px solid var(--line-faint);
  border-left: 2px solid var(--flame);
  border-radius: var(--radius);
  transition: border-color 0.22s var(--ease-out), transform 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out);
}

.page-faq .faq-step:hover {
  border-color: var(--line);
  border-left-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -22px rgba(0, 0, 0, 0.9);
}

.page-faq .faq-step__no {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--flame);
}

.page-faq .faq-step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  line-height: 1.36;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-step p {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--paper-soft);
  margin: 0;
}

.page-faq .faq-step .tag {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 目录 ---------- */
.page-faq .faq-catalog {
  padding-top: clamp(44px, 7vw, 88px);
}

.page-faq .faq-catalog__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  grid-template-columns: 1fr;
}

.page-faq .faq-catalog__intro h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.14;
  margin: 8px 0 14px;
  color: var(--paper);
}

.page-faq .faq-catalog__intro > p {
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.78;
  margin: 0 0 18px;
}

.page-faq .faq-catalog__facts {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-catalog__facts li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-soft);
  border-bottom: 1px solid var(--line-faint);
  padding-bottom: 10px;
}

.page-faq .faq-catalog__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-faq .faq-catalog__side {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-catalog__media {
  margin: 0;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "no title count"
    "no desc desc";
  gap: 2px 12px;
  align-items: start;
  padding: 16px 18px;
  background: var(--ink-2);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-faq .faq-cat:hover {
  border-color: var(--cyan);
  background: var(--faq-panel);
}

.page-faq .faq-cat__no {
  grid-area: no;
  font-size: 12px;
  color: var(--flame);
  padding-top: 4px;
}

.page-faq .faq-cat h3 {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16.5px;
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-cat__desc {
  grid-area: desc;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--mist);
  margin: 2px 0 0;
}

.page-faq .faq-cat__count {
  grid-area: count;
  font-size: 12px;
  color: var(--gold);
  white-space: nowrap;
  padding-top: 4px;
}

/* ---------- 规则第2节 ---------- */
.page-faq .faq-rule {
  padding-top: clamp(44px, 7vw, 88px);
}

.page-faq .faq-rule__body {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
  grid-template-columns: 1fr;
}

.page-faq .faq-rule__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-faint);
}

.page-faq .faq-rule__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-faq .faq-rule__n {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-faq .faq-rule__item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17.5px;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-faq .faq-rule__item p {
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--paper-soft);
  margin: 0;
}

.page-faq .faq-rule__aside {
  align-self: start;
  padding: 22px;
  background: linear-gradient(160deg, rgba(255, 77, 31, 0.1), rgba(13, 27, 46, 0.9) 46%);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-faq .faq-rule__aside-k {
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-faq .faq-rule__aside p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper-soft);
  margin: 0 0 14px;
}

.page-faq .faq-rule__link {
  display: inline-block;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 209, 0.4);
  padding-bottom: 2px;
}

.page-faq .faq-rule__link:hover,
.page-faq .faq-rule__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--flame);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-qa {
  padding-top: clamp(44px, 7vw, 88px);
}

.page-faq .faq-qa__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  grid-template-columns: 1fr;
}

.page-faq .faq-qa__index-k {
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-faq .faq-qa__index ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line-faint);
}

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

.page-faq .faq-qa__index a {
  display: block;
  padding: 12px 2px;
  font-size: 14px;
  color: var(--paper-soft);
  text-decoration: none;
  transition: color 0.18s var(--ease-out), padding-left 0.18s var(--ease-out);
}

.page-faq .faq-qa__index a:hover,
.page-faq .faq-qa__index a:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

.page-faq .faq-qa__list {
  border-top: 1px solid var(--line-soft);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-faint);
  transition: background 0.22s var(--ease-out);
}

.page-faq .qa[open] {
  background: rgba(13, 27, 46, 0.66);
  border-bottom-color: var(--line-soft);
}

.page-faq .qa summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 17px 4px;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.18s var(--ease-out);
}

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

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

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

.page-faq .qa__no {
  flex: none;
  font-size: 11.5px;
  color: var(--mist);
  letter-spacing: 0.08em;
}

.page-faq .qa[open] .qa__no {
  color: var(--flame);
}

.page-faq .qa__t {
  flex: 1 1 auto;
}

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  margin-left: 4px;
  transform: translateY(2px);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.24s var(--ease-out), opacity 0.24s var(--ease-out);
}

.page-faq .qa__mark::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 1px;
}

.page-faq .qa__mark::after {
  left: 5px;
  top: 0;
  width: 1px;
  height: 12px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .qa__body {
  padding: 0 4px 20px 32px;
  border-left: 1px solid var(--line-faint);
  margin-left: 6px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-soft);
}

/* ---------- 仍需帮助 ---------- */
.page-faq .faq-help {
  padding-top: clamp(44px, 7vw, 88px);
}

.page-faq .faq-help__panel {
  display: grid;
  gap: clamp(22px, 3.6vw, 44px);
  grid-template-columns: 1fr;
  padding: clamp(22px, 3.6vw, 40px);
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-help__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(232, 200, 120, 0.22);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-faq .faq-help__text h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.16;
  margin: 8px 0 12px;
  color: var(--paper);
}

.page-faq .faq-help__text p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-soft);
  max-width: 48ch;
}

.page-faq .faq-help__meta {
  margin: 0;
  display: grid;
  gap: 0;
  align-content: start;
  border-top: 1px solid var(--line-faint);
}

.page-faq .faq-help__row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-faint);
  align-items: baseline;
}

.page-faq .faq-help__row dt {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-help__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: center;
  }

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

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

  .page-faq .faq-qa__grid {
    grid-template-columns: 216px minmax(0, 1fr);
  }

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

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-step:nth-child(2) {
    margin-top: 18px;
  }

  .page-faq .faq-step:nth-child(3) {
    margin-top: 36px;
  }

  .page-faq .faq-catalog__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-faq .faq-rule__body {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }

  .page-faq .faq-qa__grid {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .qa,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .faq-cat {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}
<<<END>>>