.page-faq {
  --faq-cut: 18px;
  --faq-accent: var(--lime);
  background: var(--ink);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(158deg, rgba(10, 31, 26, 0.45) 0%, rgba(10, 31, 26, 0.88) 58%, var(--ink) 100%),
    repeating-linear-gradient(90deg, transparent 0 63px, rgba(45, 82, 71, 0.35) 63px 64px);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: 22px;
  padding-bottom: 36px;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 22px;
  font-size: 12px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 10px;
  color: var(--lime);
  letter-spacing: 0.16em;
}

.page-faq .faq-hero h1 {
  max-width: 17em;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-hero__lead {
  max-width: 40em;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-faq .faq-stats li:first-child {
  border-left-color: var(--lime);
}

.page-faq .faq-stats .data-num {
  font-family: var(--font-data);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--mist);
}

.page-faq .faq-stats span {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 32px;
  padding-bottom: 64px;
}

/* ---------- 左侧图例 ---------- */
.page-faq .faq-legend__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-legend__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-legend__list li:nth-child(1) { --faq-accent: var(--lime); }
.page-faq .faq-legend__list li:nth-child(2) { --faq-accent: var(--glow); }
.page-faq .faq-legend__list li:nth-child(3) { --faq-accent: var(--amber); }
.page-faq .faq-legend__list li:nth-child(4) { --faq-accent: var(--muted); }
.page-faq .faq-legend__list li:nth-child(5) { --faq-accent: var(--mist); }

.page-faq .faq-legend__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--muted);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-legend__list a:hover,
.page-faq .faq-legend__list a:focus-visible {
  border-color: var(--faq-accent);
  color: var(--mist);
  background: rgba(28, 59, 50, 0.75);
}

.page-faq .faq-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faq-accent);
  box-shadow: 0 0 8px var(--faq-accent);
  flex: none;
}

.page-faq .faq-legend__code {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--faq-accent);
}

.page-faq .faq-side {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-side img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
  opacity: 0.7;
}

.page-faq .faq-side figcaption {
  padding: 12px 14px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 40px;
  scroll-margin-top: 84px;
}

.page-faq .faq-group--a { --faq-accent: var(--lime); }
.page-faq .faq-group--b { --faq-accent: var(--glow); }
.page-faq .faq-group--c { --faq-accent: var(--amber); }
.page-faq .faq-group--d { --faq-accent: var(--muted); }
.page-faq .faq-group--e { --faq-accent: var(--mist); }

.page-faq .faq-group__head {
  padding: 0 0 16px 14px;
  margin-bottom: 14px;
  border-left: 3px solid var(--faq-accent);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head .eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--faq-accent);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--mist);
}

.page-faq .faq-group__head p:last-child {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 折叠卡 ---------- */
.page-faq .faq-card {
  position: relative;
  margin-bottom: 10px;
  background: var(--panel);
  border-left: 2px solid var(--faq-accent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  transition: background-color var(--dur) var(--ease);
}

.page-faq .faq-card:hover {
  background: #20443A;
}

.page-faq .faq-card[open] {
  background: var(--ink-2);
  box-shadow: 0 0 0 1px rgba(45, 82, 71, 0.9);
}

.page-faq .faq-card > summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 6px 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-card__no {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--faq-accent);
  letter-spacing: 0.02em;
}

.page-faq .faq-card__q {
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--mist);
}

.page-faq .faq-card__q::after {
  content: "+";
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--faq-accent);
}

.page-faq .faq-card[open] .faq-card__q::after {
  content: "−";
}

.page-faq .faq-card__tag {
  grid-column: 2;
  justify-self: start;
  font-size: 10.5px;
}

.page-faq .faq-card__body {
  padding: 4px 18px 18px 64px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
}

.page-faq .faq-card__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-card__body strong {
  color: var(--mist);
  font-weight: 700;
}

.page-faq .faq-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-faq .faq-card__links a {
  display: inline-block;
  font-size: 13px;
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-faq .faq-card__links a:hover {
  color: var(--mist);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-next {
  margin-top: 8px;
  padding: 24px 18px 26px;
  background: var(--ink-2);
  border-top: 2px solid var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-faq .faq-next h2 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(19px, 4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .faq-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-next__list a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-next__list a:hover,
.page-faq .faq-next__list a:focus-visible {
  border-color: var(--lime);
  background: rgba(201, 255, 69, 0.06);
}

.page-faq .faq-next__no {
  grid-row: span 2;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--lime);
  padding-top: 2px;
}

.page-faq .faq-next__name {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-next__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-card > summary {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    padding: 17px 22px;
  }

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

  .page-faq .faq-card__q {
    font-size: 17px;
  }

  .page-faq .faq-card__body {
    padding: 6px 24px 20px 78px;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    padding-top: 30px;
    padding-bottom: 56px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 52px;
    padding-top: 44px;
    padding-bottom: 88px;
  }

  .page-faq .faq-legend {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-faq .faq-legend__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-faq .faq-legend__list a {
    width: 100%;
    border-radius: 0;
    border-color: transparent;
    border-left: 2px solid var(--line);
    padding: 9px 10px;
    font-size: 13.5px;
  }

  .page-faq .faq-legend__list a:hover,
  .page-faq .faq-legend__list a:focus-visible {
    border-left-color: var(--faq-accent);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }

  .page-faq .faq-group {
    margin-bottom: 52px;
  }

  .page-faq .faq-next {
    padding: 30px 28px 32px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-next__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>