.page-faq {
  --faq-line: rgba(15, 43, 36, .12);
  --faq-line-soft: rgba(15, 43, 36, .07);
  --faq-col: 760px;
}

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

.page-faq .breadcrumb {
  margin: 18px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 12px 0 48px;
  background:
    radial-gradient(110% 90% at 92% -5%, rgba(240, 201, 168, .55) 0%, rgba(247, 243, 234, 0) 62%),
    radial-gradient(85% 85% at -8% 35%, rgba(214, 233, 236, .5) 0%, rgba(247, 243, 234, 0) 60%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink-900);
}

.page-faq .faq-hero__copy .lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--mist-600);
}

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

.page-faq .faq-entry {
  padding: 15px 30px;
  font-size: 16px;
  border-radius: var(--radius-pill);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-entry:hover,
.page-faq .faq-entry:focus-visible {
  transform: translateY(-2px);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 28px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist-600);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-hero__meta .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-500);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--sand-200);
  border: var(--stroke-soft);
  box-shadow: var(--shadow-card);
  aspect-ratio: 3 / 2;
}

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

/* ---------- 常用入口 ---------- */
.page-faq .faq-shortcuts {
  display: grid;
  gap: 12px;
  padding: 0 0 20px;
}

.page-faq .faq-shortcut {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-faq .faq-shortcut:hover,
.page-faq .faq-shortcut:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(194, 90, 43, .45);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-shortcut__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clay-700);
}

.page-faq .faq-shortcut__title {
  font-size: 17px;
  font-weight: 500;
  color: var(--ink-900);
  letter-spacing: .01em;
}

.page-faq .faq-shortcut__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-600);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-board {
  padding: 16px 0 56px;
}

.page-faq .faq-board__grid {
  display: grid;
  gap: 36px;
}

.page-faq .faq-board__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.page-faq .faq-chipwrap {
  position: relative;
}

.page-faq .faq-chipwrap label {
  display: inline-block;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(15, 43, 36, .18);
  background: var(--paper);
  font-size: 14px;
  letter-spacing: .01em;
  color: var(--ink-700);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-chipwrap label:hover {
  border-color: var(--ink-500);
}

.page-faq .faq-radio:checked + label {
  background: var(--ink-700);
  border-color: var(--ink-700);
  color: var(--sand-50);
}

.page-faq .faq-radio:focus-visible + label {
  outline: 2px solid var(--clay-500);
  outline-offset: 3px;
}

.page-faq .faq-main:has(#fc-fee:checked) .faq-group:not([data-cat="fee"]),
.page-faq .faq-main:has(#fc-dl:checked) .faq-group:not([data-cat="dl"]),
.page-faq .faq-main:has(#fc-ver:checked) .faq-group:not([data-cat="ver"]),
.page-faq .faq-main:has(#fc-sub:checked) .faq-group:not([data-cat="sub"]) {
  display: none;
}

.page-faq .faq-group {
  margin-bottom: 40px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--ink-900);
}

.page-faq .faq-group__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clay-700);
}

.page-faq .faq-group__list {
  max-width: var(--faq-col);
}

.page-faq .faq-item {
  position: relative;
  margin-bottom: 12px;
  border: 1px solid var(--faq-line);
  border-radius: 18px;
  background: var(--paper);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(15, 43, 36, .26);
}

.page-faq .faq-item[open] {
  border-color: rgba(194, 90, 43, .45);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--clay-500);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink-900);
}

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

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--ink-500);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "–";
}

.page-faq .faq-q__no {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--clay-700);
}

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

.page-faq .faq-a {
  padding: 0 20px 20px 52px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-black);
}

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

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

.page-faq .faq-a ul {
  margin: 0 0 10px;
  padding-left: 18px;
}

.page-faq .faq-a li {
  margin-bottom: 6px;
}

.page-faq .faq-a a {
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: var(--faq-col);
  margin-top: 8px;
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--sand-200);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-note__icon {
  flex: none;
  color: var(--clay-700);
}

.page-faq .faq-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-faq .faq-note a {
  color: var(--clay-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 侧边出口 ---------- */
.page-faq .faq-side {
  padding: 22px;
  border-radius: 20px;
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-side__title {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist-600);
}

.page-faq .faq-side__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side__list li {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-side__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-side__list a {
  font-size: 15px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--clay-700);
  border-bottom-color: var(--clay-500);
}

.page-faq .faq-side__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist-600);
}

.page-faq .faq-side__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 12px;
  line-height: 1.8;
  color: var(--mist-600);
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  padding: 0 0 64px;
}

.page-faq .faq-help__panel {
  display: grid;
  gap: 26px;
  padding: 28px 22px;
  border-radius: 28px;
  background: var(--ink-900);
  color: var(--sand-50);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-help__panel::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(240, 201, 168, .22);
  pointer-events: none;
}

.page-faq .faq-help__panel::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(214, 233, 236, .16);
  pointer-events: none;
}

.page-faq .faq-help__eyebrow {
  color: var(--clay-200);
}

.page-faq .faq-help__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 32px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--sand-50);
}

.page-faq .faq-help__lede {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 243, 234, .82);
}

.page-faq .faq-contact {
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: 16px;
  overflow: hidden;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 12px 16px;
  background: rgba(247, 243, 234, .06);
}

.page-faq .faq-contact dt {
  flex: none;
  min-width: 72px;
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(247, 243, 234, .6);
}

.page-faq .faq-contact dd {
  margin: 0;
  font-size: 14px;
  color: var(--sand-50);
  word-break: break-all;
}

.page-faq .faq-contact dd.mono {
  font-family: var(--font-mono);
  letter-spacing: .01em;
}

.page-faq .faq-help__tip {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 13px;
  line-height: 1.85;
  color: rgba(247, 243, 234, .68);
}

.page-faq .faq-help__btn {
  margin-top: 22px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-help__btn:hover,
.page-faq .faq-help__btn:focus-visible {
  transform: translateY(-2px);
}

.page-faq .faq-help__figure {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  background: var(--ink-700);
  aspect-ratio: 4 / 3;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-shortcuts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-faq .faq-a {
    padding-left: 56px;
    padding-right: 28px;
  }

  .page-faq .faq-help__panel {
    padding: 36px 32px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding: 16px 0 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 48px;
    align-items: center;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: 40px;
    align-items: center;
    padding: 44px 40px;
  }

  .page-faq .faq-help__figure {
    aspect-ratio: 4 / 3.2;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-board__grid {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-q {
    padding: 20px 24px;
    font-size: 17px;
  }

  .page-faq .faq-a {
    padding: 0 24px 22px 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-entry,
  .page-faq .faq-shortcut,
  .page-faq .faq-help__btn,
  .page-faq .faq-item,
  .page-faq .faq-side__list a {
    transition: none;
  }

  .page-faq .faq-entry:hover,
  .page-faq .faq-entry:focus-visible,
  .page-faq .faq-shortcut:hover,
  .page-faq .faq-shortcut:focus-visible,
  .page-faq .faq-help__btn:hover,
  .page-faq .faq-help__btn:focus-visible {
    transform: none;
  }
}
<<<END>>>