.page-faq {
  --faq-line: 1px solid var(--graphite);
  --faq-gap: 20px;
  background: var(--ink);
  color: var(--fog);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  border-bottom: var(--hair);
}

.page-faq .faq-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .48;
  filter: saturate(.42) contrast(1.06) brightness(.78);
}

.page-faq .faq-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(112deg, rgba(7, 19, 15, .95) 0%, rgba(7, 19, 15, .78) 54%, rgba(20, 53, 42, .34) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 36px;
  padding-bottom: 42px;
}

.page-faq .faq-hero .crumbs {
  margin: 0 0 20px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--fog);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-body {
  padding: 36px 0 68px;
}

.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

/* ---------- 问题目录 ---------- */

.page-faq .faq-index {
  background: var(--ink-2);
  border: var(--hair);
  padding: 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 11px;
  border: var(--hair);
  border-radius: var(--r);
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  color: var(--fog);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--pitch);
  border-color: var(--lime);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
  transition: color .2s var(--ease);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--lime);
}

/* ---------- 答案区 ---------- */

.page-faq .faq-answers {
  border-bottom: var(--faq-line);
}

.page-faq .qa {
  border-top: var(--faq-line);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 0 18px;
  list-style: none;
  cursor: pointer;
  color: var(--fog);
  transition: color .2s var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .qa[open] > .qa__q::after {
  content: "–";
}

.page-faq .qa__q:hover .qa__title,
.page-faq .qa__q:focus-visible .qa__title {
  color: var(--lime);
}

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

.page-faq .qa__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  transition: color .2s var(--ease);
}

.page-faq .qa[open] > .qa__q .qa__num {
  color: var(--lime);
}

.page-faq .qa__title {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: inherit;
}

.page-faq .qa__body {
  padding: 0 0 30px;
}

.page-faq .qa__body > :first-child {
  margin-top: 0;
}

.page-faq .qa__body p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .qa__body p strong {
  color: var(--fog);
  font-weight: 600;
}

.page-faq .qa__body a:not(.btn):not(.entry-card) {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--graphite);
}

.page-faq .qa__body a:not(.btn):not(.entry-card):hover {
  border-bottom-color: var(--lime);
}

/* ---------- 入口卡 ---------- */

.page-faq .entry-grid {
  display: grid;
  gap: 10px;
  margin: 4px 0 18px;
}

.page-faq .entry-card {
  display: grid;
  gap: 6px;
  padding: 15px 15px 17px;
  background: var(--ink-2);
  border: var(--hair);
  border-left: 2px solid var(--graphite);
  text-decoration: none;
  color: inherit;
  transition: background .2s var(--ease), border-left-color .2s var(--ease);
}

.page-faq .entry-card:hover,
.page-faq .entry-card:focus-visible {
  background: var(--pitch);
  border-left-color: var(--lime);
}

.page-faq .entry-card__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mint);
}

.page-faq .entry-card__t {
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .entry-card__d {
  font-size: 13px;
  line-height: 1.66;
  color: var(--mist);
}

/* ---------- 步骤 ---------- */

.page-faq .steps {
  list-style: none;
  margin: 4px 0 20px;
  padding: 0;
  border: var(--hair);
}

.page-faq .steps > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: var(--ink-2);
  border-bottom: var(--hair);
}

.page-faq .steps > li:last-child {
  border-bottom: 0;
}

.page-faq .steps__n {
  display: inline-block;
  padding: 4px 7px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .steps__t {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .steps__d {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 战术板图 ---------- */

.page-faq .board {
  margin: 0 0 18px;
  border: var(--hair);
  background: var(--pitch);
}

.page-faq .board img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.55) contrast(1.04);
}

.page-faq .board figcaption {
  padding: 10px 14px;
  border-top: var(--hair);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 标签行 ---------- */

.page-faq .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .tag-row li {
  padding: 6px 10px;
  border: var(--hair);
  border-radius: var(--r);
  background: var(--ink-2);
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--fog);
}

/* ---------- 状态色图例 ---------- */

.page-faq .legend {
  margin: 4px 0 20px;
  border-top: var(--faq-line);
}

.page-faq .legend__row {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: var(--faq-line);
}

.page-faq .legend__dot {
  width: 12px;
  height: 12px;
  margin-top: 7px;
  border-radius: 1px;
}

.page-faq .legend__dot--lime {
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, .14);
}

.page-faq .legend__dot--orange {
  background: var(--orange);
}

.page-faq .legend__dot--grey {
  background: var(--mist);
}

.page-faq .legend__dot--mint {
  background: var(--mint);
}

.page-faq .legend__t {
  margin: 0 0 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .legend__d {
  margin: 0;
  max-width: 58ch;
  font-size: 13px;
  line-height: 1.66;
  color: var(--mist);
}

/* ---------- 兜底联系 ---------- */

.page-faq .help-cta {
  margin: 0 0 18px;
  padding: 18px;
  background: var(--ink-2);
  border: var(--hair);
  border-left: 3px solid var(--lime);
}

.page-faq .help-cta__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-faq .help-cta__mail {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.4vw, 20px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--lime);
  word-break: break-all;
}

.page-faq .help-cta__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--mist);
}

.page-faq .help-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    padding-top: 48px;
    padding-bottom: 60px;
  }

  .page-faq .faq-body {
    padding: 52px 0 88px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding: 20px 18px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    border-bottom: var(--faq-line);
  }

  .page-faq .faq-index__item:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    padding: 11px 0 11px 13px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
    transition: border-left-color .2s var(--ease), color .2s var(--ease);
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    border-left-color: var(--lime);
  }

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

  .page-faq .qa__q {
    padding: 24px 0 20px;
  }

  .page-faq .qa__title {
    font-size: 22px;
  }

  .page-faq .qa__body {
    padding-bottom: 34px;
    padding-left: 34px;
  }

  .page-faq .help-cta {
    padding: 22px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__inner {
    padding-top: 56px;
    padding-bottom: 72px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__q,
  .page-faq .qa__num,
  .page-faq .entry-card,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>