.page-faq {
  --faq-on-paper: #1A211D;
  --faq-on-paper-soft: #4E5A53;
  --faq-on-paper-line: rgba(26, 33, 29, .16);
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 clamp(36px, 5.5vw, 72px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(15, 42, 34, .92) 0%, rgba(11, 14, 13, 1) 72%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(58, 74, 67, .38) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(58, 74, 67, .38) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .6), transparent 80%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .6), transparent 80%);
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__split {
  display: grid;
  gap: clamp(28px, 4.5vw, 52px);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 34em;
  color: var(--text);
}

.page-faq .faq-marks {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
}

.page-faq .faq-marks__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-right: 22px;
  margin-right: 22px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-marks__item:last-child {
  padding-right: 0;
  margin-right: 0;
  border-right: 0;
}

.page-faq .faq-marks__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-faq .faq-marks__txt {
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-faq .faq-hero__copy .annotation {
  margin: 18px 0 0;
}

/* 五维检索示意 */

.page-faq .faq-hero__dims {
  border: 1px solid var(--line);
  background: rgba(11, 14, 13, .55);
}

.page-faq .faq-hero__dims-title {
  margin: 0;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--paper);
  background: var(--pitch);
}

.page-faq .dim-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
}

.page-faq .dim-grid__cell {
  display: grid;
  gap: 4px;
  padding: 14px 14px 14px 16px;
  background: var(--ink);
  border-left: 2px solid var(--dim-accent, var(--line));
}

.page-faq .dim-grid__cell:nth-child(1) { --dim-accent: var(--lime); }
.page-faq .dim-grid__cell:nth-child(2) { --dim-accent: var(--gold); }
.page-faq .dim-grid__cell:nth-child(3) { --dim-accent: var(--orange); }
.page-faq .dim-grid__cell:nth-child(4) { --dim-accent: var(--cobalt); }
.page-faq .dim-grid__cell:nth-child(5) { --dim-accent: var(--muted); }

.page-faq .dim-grid__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--dim-accent, var(--muted));
}

.page-faq .dim-grid__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .dim-grid__note {
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}

.page-faq .dim-grid__foot {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-style: italic;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 快速上手（纸白区块） ---------- */

.page-faq .faq-start {
  background: var(--paper);
  color: var(--faq-on-paper);
  border-bottom: 1px solid var(--faq-on-paper-line);
}

.page-faq .faq-start .section-title {
  color: var(--faq-on-paper);
}

.page-faq .faq-start .lede {
  color: var(--faq-on-paper-soft);
}

.page-faq .faq-start .section-index {
  color: #6E7C74;
}

.page-faq .start-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(24px, 3.5vw, 38px);
}

.page-faq .start-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-on-paper-line);
}

.page-faq .start-path {
  position: relative;
  padding: 22px 0 24px 18px;
  border-bottom: 1px solid var(--faq-on-paper-line);
}

.page-faq .start-path::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 26px;
  width: 2px;
  background: rgba(26, 33, 29, .28);
  transition: background var(--dur) var(--ease), top var(--dur) var(--ease), bottom var(--dur) var(--ease);
}

.page-faq .start-path:hover::before,
.page-faq .start-path:focus-within::before {
  top: 18px;
  bottom: 20px;
  background: var(--teal);
}

.page-faq .start-path__no {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: #6E7C74;
}

.page-faq .start-path__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--faq-on-paper);
}

.page-faq .start-path__body {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-on-paper-soft);
}

.page-faq .start-path__link {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 42, 34, .35);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .start-path__link:hover,
.page-faq .start-path__link:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

.page-faq .start-figure {
  margin: 0;
}

.page-faq .start-figure .image-frame {
  border: 1px solid rgba(26, 33, 29, .22);
}

.page-faq .start-figure .image-frame__caption {
  color: var(--faq-on-paper-soft);
}

/* ---------- 问答区 ---------- */

.page-faq .faq-answers {
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-faq .answers-layout {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-faq .answers-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

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

.page-faq .answers-index__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .answers-index__link:hover,
.page-faq .answers-index__link:focus-visible {
  color: var(--lime);
  padding-left: 8px;
}

.page-faq .answers-index__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-faq .answers-groups {
  display: grid;
  gap: clamp(38px, 5vw, 60px);
}

.page-faq .qa-group {
  --qa-accent: var(--lime);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .qa-group--search { --qa-accent: var(--lime); }
.page-faq .qa-group--season { --qa-accent: var(--gold); }
.page-faq .qa-group--numbers { --qa-accent: var(--orange); }
.page-faq .qa-group--friendlies { --qa-accent: var(--cobalt); }
.page-faq .qa-group--source { --qa-accent: var(--gold); }
.page-faq .qa-group--contact { --qa-accent: var(--muted); }

.page-faq .qa-group__head {
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 58px;
  height: 2px;
  background: var(--qa-accent);
}

.page-faq .qa-group__no {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--qa-accent);
}

.page-faq .qa-group__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .qa-group__note {
  margin: 0;
  font-size: 13px;
  font-style: italic;
  line-height: 1.65;
  color: var(--muted);
}

/* 折叠面板 */

.page-faq .qa-item {
  border: 1px solid transparent;
  border-bottom-color: var(--line);
  border-left: 2px solid var(--qa-accent);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa-item[open] {
  margin: 6px 0;
  border-color: var(--line);
  border-left-color: var(--lime);
  background: rgba(20, 58, 47, .55);
}

.page-faq .panel__summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-height: 58px;
  padding: 17px 15px 17px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.012em;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .panel__summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--qa-accent);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa-item[open] > .panel__summary::after {
  content: "–";
  color: var(--lime);
}

.page-faq .panel__summary:hover {
  color: var(--lime);
}

.page-faq .qa-item .panel__body {
  padding: 14px 18px 22px 16px;
  border-top: 1px solid var(--line);
}

.page-faq .qa-item .panel__body p {
  margin: 0 0 12px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .qa-item .panel__body p:last-child {
  margin-bottom: 0;
}

/* 来源配图 */

.page-faq .sources-figure {
  margin: 20px 0 8px;
}

.page-faq .sources-figure .image-frame {
  border: 1px solid var(--line);
}

.page-faq .sources-figure .image-frame__caption {
  color: var(--muted);
}

/* 联络信息 */

.page-faq .qa-contact {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .contact-strip {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .contact-strip__row {
  display: grid;
  gap: 6px;
  padding: 15px 17px;
  background: var(--pitch);
}

.page-faq .contact-strip__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .contact-strip__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .qa-contact .annotation {
  margin: 12px 0 0;
  max-width: 42em;
}

/* 底部返回 */

.page-faq .faq-footnote {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(38px, 5vw, 58px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-faq .dim-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .dim-grid__cell:nth-child(5) {
    grid-column: span 2;
  }
}

@media (min-width: 720px) {
  .page-faq .contact-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 54px);
  }

  .page-faq .faq-hero__split {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-hero__after {
    display: block;
  }

  .page-faq .start-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .answers-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .answers-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (min-width: 1040px) {
  .page-faq .answers-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 52px;
  }
}

@media (max-width: 899px) {
  .page-faq .answers-index__title {
    margin-bottom: 8px;
  }

  .page-faq .answers-index__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .page-faq .answers-index__link {
    flex: none;
    gap: 8px;
    padding: 9px 13px;
    border: 1px solid var(--line);
    border-radius: 0;
    font-size: 13px;
    white-space: nowrap;
  }

  .page-faq .answers-index__link:hover,
  .page-faq .answers-index__link:focus-visible {
    padding-left: 13px;
  }
}

@media (max-width: 700px) {
  .page-faq .faq-marks__item {
    padding-right: 14px;
    margin-right: 14px;
  }

  .page-faq .panel__summary {
    min-height: 64px;
    padding: 20px 14px 20px 15px;
    font-size: 15.5px;
  }

  .page-faq .qa-item .panel__body {
    padding: 14px 15px 22px 15px;
  }

  .page-faq .faq-hero__quick .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .start-path::before,
  .page-faq .start-path__link,
  .page-faq .answers-index__link,
  .page-faq .panel__summary,
  .page-faq .panel__summary::after,
  .page-faq .qa-item {
    transition: none;
  }
}
<<<END>>>