.page-faq {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(28px, 5vw, 64px) clamp(20px, 4vw, 48px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

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

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__hint {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mute);
  padding-left: 14px;
  border-left: 2px solid var(--edge);
}

/* 首屏视觉区 */
.page-faq .faq-visual {
  position: relative;
  min-width: 0;
}

.page-faq .faq-note {
  margin: 0;
  padding: 16px 18px;
}

.page-faq .faq-note__title {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-faq .faq-note__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .faq-note__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  font-size: 12.5px;
  line-height: 1.5;
  padding-bottom: 6px;
  border-bottom: 1px dotted rgba(42, 49, 96, 0.45);
}

.page-faq .faq-note__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-note__list b {
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-deck {
  padding-block: clamp(12px, 2vw, 24px) clamp(56px, 8vw, 104px);
}

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

/* 左侧目录 */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px 10px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mute);
  text-decoration: none;
  border: 1px solid transparent;
  border-left: 2px solid var(--edge);
  transition: color 0.08s linear, border-color 0.08s linear, transform 0.08s linear;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--orange);
  transform: translateX(2px);
}

.page-faq .faq-rail__no {
  font-size: 12px;
  color: var(--orange);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--masthead-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-faq .faq-band {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 15px clamp(14px, 2vw, 22px);
  background: var(--indigo-2);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  border-left: 4px solid var(--orange);
  transition: border-left-color 0.2s linear;
}

.page-faq .faq-band__no {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-band h2 {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-band__meta {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--mute);
  white-space: nowrap;
}

.page-faq .faq-group:target .faq-band {
  border-left-color: var(--signal);
}

/* 数据同步组配图 */
.page-faq .faq-figure {
  margin: 20px 0 0;
}

/* 问答条目 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-item {
  border: 1px solid var(--edge);
  background: rgba(23, 28, 66, 0.5);
  transition: border-color 0.16s linear, background 0.16s linear;
}

.page-faq .faq-item[open] {
  background: var(--indigo-2);
  border-color: #3b4485;
}

.page-faq .faq-item > summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 15px clamp(14px, 2vw, 20px);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--paper);
}

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

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  color: var(--orange-2);
}

.page-faq .faq-q {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 2.1;
  color: var(--orange);
}

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

.page-faq .faq-toggle {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--edge);
  flex: none;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  left: 3px;
  right: 3px;
  top: 50%;
  height: 1px;
  background: var(--orange);
  transform: translateY(-50%);
}

.page-faq .faq-toggle::after {
  transition: transform 0.16s linear;
}

.page-faq .faq-item[open] .faq-toggle::after {
  transform: translateY(-50%) rotate(90deg) scaleX(0);
}

.page-faq .faq-answer {
  padding: 14px clamp(14px, 2vw, 20px) 18px;
  background: rgba(10, 12, 26, 0.55);
  border-top: 1px solid var(--edge);
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-answer a {
  color: var(--orange-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 162, 92, 0.5);
}

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

/* 口径注释浮层 */
.page-faq .faq-term {
  position: relative;
  color: var(--paper);
  border-bottom: 1px dotted var(--orange-2);
  cursor: help;
}

.page-faq .faq-term:focus-visible {
  outline: 1px solid var(--signal);
  outline-offset: 2px;
}

.page-faq .faq-term::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  bottom: calc(100% + 9px);
  width: max-content;
  max-width: min(260px, 76vw);
  padding: 8px 11px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--edge);
  box-shadow: 6px 6px 0 rgba(10, 12, 26, 0.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.14s linear, transform 0.14s linear, visibility 0.14s linear;
  pointer-events: none;
  z-index: 6;
}

.page-faq .faq-term:hover::after,
.page-faq .faq-term:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 常规桌面排布 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-faq .faq-note {
    position: absolute;
    right: -10px;
    bottom: 28px;
    width: min(290px, 80%);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 72px;
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 959px) {
  .page-faq .faq-note {
    position: static;
    transform: none;
    margin-top: 16px;
    width: auto;
  }

  .page-faq .faq-rail__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .page-faq .faq-rail__list a {
    border-left: 1px solid var(--edge);
    white-space: nowrap;
  }

  .page-faq .faq-band__meta {
    margin-left: 0;
    flex-basis: 100%;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero__title {
    font-size: 30px;
  }

  .page-faq .faq-item > summary {
    grid-template-columns: auto 1fr;
    font-size: 15px;
  }

  .page-faq .faq-toggle {
    display: none;
  }

  .page-faq .faq-hero__actions .btn {
    flex: 1 1 auto;
    text-align: center;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__list a,
  .page-faq .faq-item,
  .page-faq .faq-item > summary,
  .page-faq .faq-toggle::after,
  .page-faq .faq-term::after,
  .page-faq .faq-band {
    transition: none;
  }
}
<<<END>>>