.page-faq {
  --faq-gap: clamp(2.5rem, 6vw, 4.5rem);
  --faq-sheet-shadow: 14px 14px 0 rgba(4, 18, 31, 0.55);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  background:
    linear-gradient(180deg, rgba(11, 42, 67, 0.92), rgba(6, 26, 43, 0.96)),
    repeating-linear-gradient(0deg, rgba(124, 199, 232, 0.09) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(124, 199, 232, 0.09) 0 1px, transparent 1px 64px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero-copy .h1 {
  margin: 0.6rem 0 1rem;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .faq-hero-copy .lead {
  color: rgba(246, 243, 234, 0.78);
  max-width: 46ch;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-faq .faq-facts {
  display: grid;
  gap: 0.75rem;
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-fact {
  padding-left: 0.9rem;
  border-left: 3px solid var(--amber);
}

.page-faq .faq-fact dt {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--blueprint);
  margin-bottom: 0.2rem;
}

.page-faq .faq-fact dd {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--paper);
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep-2);
  box-shadow: var(--faq-sheet-shadow);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 分组跳转条 ---------- */
.page-faq .faq-jump {
  background: rgba(11, 42, 67, 0.6);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-jump-inner {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.85rem 0;
  scrollbar-width: thin;
}

.page-faq .faq-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex: none;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  color: rgba(246, 243, 234, 0.86);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-jump-link .mono {
  color: var(--amber);
  font-size: 0.75rem;
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  border-color: var(--coral);
  color: var(--paper);
  background: rgba(255, 111, 74, 0.12);
}

/* ---------- 分组与纸面 ---------- */
.page-faq .faq-group {
  padding: var(--faq-gap) 0 0;
  scroll-margin-top: 96px;
}

.page-faq .faq-sheet {
  padding: clamp(1.25rem, 3.5vw, 2.75rem);
  box-shadow: var(--faq-sheet-shadow);
}

.page-faq .faq-group-head {
  display: grid;
  gap: 0.5rem;
  padding-bottom: 1rem;
  margin-bottom: 0.25rem;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group-no {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-faq .faq-sheet .h2 {
  color: var(--ink);
  margin: 0;
}

.page-faq .faq-group-note {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(11, 15, 20, 0.66);
}

/* ---------- 手风琴问答 ---------- */
.page-faq .faq-list {
  margin-top: 0.5rem;
}

.page-faq .faq-item {
  border-top: 1px solid rgba(11, 15, 20, 0.16);
  transition: background-color 0.2s ease;
}

.page-faq .faq-item:first-child {
  border-top: none;
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid rgba(11, 15, 20, 0.16);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 1.1rem 0.35rem 1.1rem 0.5rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .faq-item > summary:hover {
  color: #000;
}

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

.page-faq .faq-q {
  flex: none;
  font-size: 0.75rem;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  align-self: center;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--ink);
}

.page-faq .faq-mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  transition: transform 0.2s ease;
}

.page-faq .faq-item[open] {
  background: rgba(217, 154, 43, 0.07);
  box-shadow: inset 3px 0 0 var(--amber);
}

.page-faq .faq-item[open] .faq-mark::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-answer {
  padding: 0 0.75rem 1.35rem 2.4rem;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(11, 15, 20, 0.84);
}

.page-faq .faq-answer p {
  margin: 0 0 0.75rem;
}

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

/* ---------- 区域节奏卡 ---------- */
.page-faq .faq-region-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-faq .faq-region {
  padding: 1.35rem;
  background: var(--panel);
  color: rgba(246, 243, 234, 0.82);
  border: 1px solid var(--line);
}

.page-faq .faq-region--east {
  border-left: 4px solid var(--celadon);
}

.page-faq .faq-region--south {
  border-left: 4px solid var(--cinnabar);
}

.page-faq .faq-region .h3 {
  margin: 0.75rem 0 0.5rem;
  color: var(--paper);
  font-size: 1.125rem;
}

.page-faq .faq-region p {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-faq .faq-region-meta {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--blueprint);
  letter-spacing: 0.04em;
}

/* ---------- 验资维修四节点 ---------- */
.page-faq .repair-flow {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.page-faq .repair-node {
  padding: 1rem;
  background: rgba(6, 26, 43, 0.05);
  border: 1px dashed rgba(11, 15, 20, 0.22);
}

.page-faq .repair-node-no {
  display: block;
  font-size: 0.75rem;
  color: var(--coral);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.page-faq .repair-node strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.page-faq .repair-node p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(11, 15, 20, 0.7);
}

.page-faq .faq-figure {
  margin: 1.75rem 0 0;
  border: 1px solid rgba(11, 15, 20, 0.2);
}

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

.page-faq .faq-figure .note {
  padding: 0.65rem 0.85rem;
  margin: 0;
  background: rgba(6, 26, 43, 0.06);
  border-top: 1px solid rgba(11, 15, 20, 0.16);
  color: rgba(11, 15, 20, 0.68);
  font-size: 0.8125rem;
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-faq .faq-contact-card {
  padding: 1.35rem;
  background: var(--panel);
  color: rgba(246, 243, 234, 0.82);
  border-top: 3px solid var(--amber);
}

.page-faq .faq-contact-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--blueprint);
  margin-bottom: 0.6rem;
}

.page-faq .faq-contact-value {
  margin: 0 0 0.6rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-card p:last-child {
  margin-bottom: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(246, 243, 234, 0.72);
}

/* ---------- 自助索引 ---------- */
.page-faq .faq-index-wrap {
  margin-top: 1.25rem;
  overflow-x: auto;
}

.page-faq .faq-index-table {
  width: 100%;
  min-width: 560px;
}

.page-faq .faq-index-table a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 154, 43, 0.5);
}

.page-faq .faq-index-table a:hover,
.page-faq .faq-index-table a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-faq .faq-index-tail {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(11, 15, 20, 0.16);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(11, 15, 20, 0.72);
}

.page-faq .faq-index-tail a {
  color: #8a5a10;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-index-tail a:hover,
.page-faq .faq-index-tail a:focus-visible {
  color: var(--coral);
}

.page-faq .faq-group--index {
  padding-bottom: var(--faq-gap);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .repair-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-faq .faq-answer {
    padding-right: 3rem;
    max-width: 78ch;
  }
}
<<<END>>>