.page-faq {
  background: var(--paper-050);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: var(--fs-4);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink-900);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* ---------- 首屏说明 ---------- */
.page-faq .faq-head {
  padding-top: 28px;
  padding-bottom: 40px;
}

.page-faq .faq-head .breadcrumb {
  margin-bottom: 26px;
  font-size: var(--fs-label);
  color: var(--ink-900);
}

.page-faq .faq-head .breadcrumb a {
  color: var(--lake-600);
  text-decoration: none;
}

.page-faq .faq-head .breadcrumb span {
  margin: 0 6px;
  color: var(--line-gray);
}

.page-faq .faq-head h1 {
  font-size: var(--fs-1);
  max-width: 22ch;
  margin-bottom: 18px;
}

.page-faq .faq-head .lede {
  max-width: 58ch;
  font-size: var(--fs-4);
  line-height: 1.8;
  margin: 0;
  color: var(--ink-900);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 32px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line-gray);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: var(--fs-5);
  font-weight: 700;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-bottom-color: var(--lake-600);
  color: var(--lake-600);
}

.page-faq .faq-jump__dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  display: inline-block;
}

.page-faq .faq-jump__dot--booking { background: var(--lake-600); }
.page-faq .faq-jump__dot--cost { background: var(--ochre-500); }
.page-faq .faq-jump__dot--after { background: var(--sutra-teal); }
.page-faq .faq-jump__dot--rule { background: var(--sutra-yellow); }

/* ---------- 问答主体 ---------- */
.page-faq .faq-qa {
  padding-block: 8px 64px;
}

.page-faq .qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .qa-index__title {
  font-size: var(--fs-label);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lake-600);
  margin-bottom: 12px;
}

.page-faq .qa-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--line-gray);
}

.page-faq .qa-index__list li {
  flex: 0 0 auto;
}

.page-faq .qa-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 18px 10px 0;
  font-size: var(--fs-5);
  color: var(--ink-900);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.page-faq .qa-index__list a:hover,
.page-faq .qa-index__list a:focus-visible {
  color: var(--lake-600);
}

.page-faq .qa-index__no {
  font-size: 11px;
  color: var(--lake-600);
  border-bottom: 2px solid var(--line-gray);
  padding-bottom: 2px;
}

.page-faq .qa-index__list a:hover .qa-index__no,
.page-faq .qa-index__list a:focus-visible .qa-index__no {
  border-bottom-color: var(--lake-600);
}

.page-faq .qa-group + .qa-group {
  margin-top: 44px;
}

.page-faq .qa-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-2);
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink-900);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--line-gray);
  border-left: 3px solid transparent;
  padding-left: 12px;
  scroll-margin-top: calc(var(--header-h) + 20px);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .qa-item--booking { border-left-color: var(--lake-600); }
.page-faq .qa-item--cost { border-left-color: var(--ochre-500); }
.page-faq .qa-item--after { border-left-color: var(--sutra-teal); }
.page-faq .qa-item--rule { border-left-color: var(--sutra-yellow); }

.page-faq .qa-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--ink-900);
}

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

.page-faq .qa-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lake-600);
  line-height: 1;
}

.page-faq .qa-item[open] summary::after {
  content: "−";
}

.page-faq .qa-item summary:hover { color: var(--lake-600); }

.page-faq .qa-item__no {
  font-size: 12px;
  color: var(--lake-600);
  flex: 0 0 auto;
}

.page-faq .qa-item__answer {
  max-width: 58ch;
  padding: 0 0 20px 0;
  font-size: var(--fs-4);
  line-height: 1.78;
}

.page-faq .qa-item__answer p {
  margin: 0 0 10px;
}

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

.page-faq .qa-list {
  margin: 0 0 10px;
  padding-left: 0;
  list-style: none;
}

.page-faq .qa-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
  line-height: 1.7;
}

.page-faq .qa-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--line-gray);
}

.page-faq .qa-num {
  font-size: 0.94em;
  background: var(--paper-100);
  padding: 1px 5px;
  border-radius: 2px;
  white-space: nowrap;
}

/* ---------- 评价与工单对照 ---------- */
.page-faq .faq-review {
  padding-block: 56px;
  border-top: 1px solid var(--line-gray);
}

.page-faq .faq-review h2 {
  font-size: var(--fs-2);
  margin-bottom: 16px;
  max-width: 20ch;
}

.page-faq .review-lede {
  max-width: 58ch;
  margin: 0 0 36px;
  font-size: var(--fs-4);
  line-height: 1.8;
}

.page-faq .review-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: 36px;
}

.page-faq .flow-step {
  background: var(--paper-050);
  padding: 22px 20px 26px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
  border-top: 3px solid var(--lake-600);
}

.page-faq .flow-step--two { border-top-color: var(--ochre-500); }
.page-faq .flow-step--three { border-top-color: var(--sutra-teal); }

.page-faq .flow-step__no {
  display: block;
  font-size: 12px;
  color: var(--lake-600);
  margin-bottom: 8px;
}

.page-faq .flow-step h3 {
  font-size: var(--fs-3);
  margin-bottom: 8px;
}

.page-faq .flow-step p {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.72;
}

.page-faq .faq-figure {
  margin: 0 0 36px;
  width: 100%;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--paper-100);
  border: 1px solid var(--line-gray);
}

.page-faq .media-frame__caption {
  margin-top: 10px;
  font-size: var(--fs-label);
  color: var(--ink-900);
  opacity: 0.72;
}

.page-faq .review-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-gray);
  border: 1px solid var(--line-gray);
}

.page-faq .review-fact {
  background: var(--paper-050);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .review-fact__num {
  font-size: 26px;
  font-weight: 700;
  color: var(--lake-900);
  line-height: 1.1;
}

.page-faq .review-fact__label {
  font-size: var(--fs-label);
  line-height: 1.5;
  color: var(--ink-900);
  opacity: 0.78;
}

/* ---------- 费用差异与改约 ---------- */
.page-faq .faq-cost {
  padding-block: 56px;
  border-top: 1px solid var(--line-gray);
}

.page-faq .faq-cost h2 {
  font-size: var(--fs-2);
  margin-bottom: 30px;
  max-width: 22ch;
}

.page-faq .cost-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-faq .cost-col h3 {
  font-size: var(--fs-3);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-gray);
}

.page-faq .cost-list {
  margin: 0;
}

.page-faq .cost-list__row {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-gray);
}

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

.page-faq .cost-list dt {
  font-weight: 700;
  font-size: var(--fs-4);
  margin-bottom: 4px;
  color: var(--lake-900);
}

.page-faq .cost-list dd {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.72;
}

.page-faq .cost-rules {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  counter-reset: costrule;
}

.page-faq .cost-rules li {
  position: relative;
  padding: 12px 0 12px 34px;
  border-bottom: 1px solid var(--line-gray);
  font-size: var(--fs-5);
  line-height: 1.72;
  counter-increment: costrule;
}

.page-faq .cost-rules li::before {
  content: counter(costrule, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ochre-500);
}

.page-faq .cost-rules strong { color: var(--ink-900); }

.page-faq .cost-note {
  margin: 0;
  padding: 14px 16px;
  background: var(--ochre-100);
  font-size: var(--fs-5);
  line-height: 1.72;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-faq .cost-foot {
  margin: 32px 0 0;
  font-size: var(--fs-5);
  max-width: 58ch;
}

.page-faq .link-underline {
  color: var(--lake-600);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gray);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .link-underline:hover,
.page-faq .link-underline:focus-visible {
  border-bottom-color: var(--lake-600);
}

/* ---------- 版本自查 ---------- */
.page-faq .faq-version {
  padding-block: 56px;
  background: var(--paper-050);
  border-top: 1px solid var(--line-gray);
}

.page-faq .version-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-faq .faq-version h2 {
  font-size: var(--fs-2);
  margin-bottom: 14px;
  max-width: 18ch;
}

.page-faq .version-lede {
  max-width: 52ch;
  margin: 0 0 26px;
  font-size: var(--fs-4);
  line-height: 1.78;
}

.page-faq .version-steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  counter-reset: vstep;
}

.page-faq .version-steps li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-gray);
}

.page-faq .version-steps li:last-child {
  border-bottom: 1px solid var(--line-gray);
}

.page-faq .version-steps__no {
  font-size: 12px;
  color: var(--lake-600);
  flex: 0 0 auto;
  padding-top: 4px;
}

.page-faq .version-steps h3 {
  font-size: var(--fs-4);
  margin-bottom: 4px;
}

.page-faq .version-steps p {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.7;
  max-width: 48ch;
}

.page-faq .version-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .version-side {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-faq .faq-version-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  align-self: flex-start;
  padding: 12px 16px;
  background: var(--paper-100);
  border: 1px solid var(--lake-600);
  border-left: 3px solid var(--lake-600);
  color: var(--ink-900);
  cursor: pointer;
  font-family: var(--font-body);
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-version-badge:hover { background: var(--lake-600); color: var(--sutra-white); }
.page-faq .faq-version-badge.is-flipped { background: var(--ink-900); color: var(--sutra-white); }

.page-faq .faq-version-badge .version-badge__label {
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  opacity: 0.8;
}

.page-faq .faq-version-badge .version-badge__num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .version-side .faq-figure { margin: 0; }

/* ---------- 升级路径 ---------- */
.page-faq .faq-escalate {
  padding-block: 56px;
  color: var(--sutra-white);
  clip-path: polygon(0 18px, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-escalate h2 {
  color: var(--sutra-white);
  font-size: var(--fs-2);
  margin-bottom: 16px;
  max-width: 18ch;
}

.page-faq .escalate-eyebrow {
  color: var(--ochre-100);
}

.page-faq .escalate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-faq .escalate-copy p {
  max-width: 56ch;
  margin: 0 0 20px;
  font-size: var(--fs-4);
  line-height: 1.78;
}

.page-faq .escalate-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  max-width: 56ch;
}

.page-faq .escalate-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: var(--fs-5);
  line-height: 1.68;
}

.page-faq .escalate-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--ochre-500);
}

.page-faq .escalate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .escalate-btn-ghost {
  color: var(--sutra-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.page-faq .escalate-aside {
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  padding-top: 20px;
}

.page-faq .escalate-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ochre-100);
}

.page-faq .escalate-aside__links {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .escalate-aside__links li {
  margin-bottom: 10px;
}

.page-faq .escalate-aside__links .link-underline {
  color: var(--sutra-white);
  border-bottom-color: rgba(255, 255, 255, 0.4);
}

.page-faq .escalate-aside__links .link-underline:hover,
.page-faq .escalate-aside__links .link-underline:focus-visible {
  border-bottom-color: var(--sutra-white);
}

.page-faq .escalate-aside__note {
  margin: 0;
  font-size: var(--fs-label);
  line-height: 1.7;
  max-width: 44ch;
  color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 720px) {
  .page-faq .faq-head { padding-top: 40px; padding-bottom: 52px; }
  .page-faq .faq-qa { padding-block: 12px 84px; }
  .page-faq .faq-review,
  .page-faq .faq-cost,
  .page-faq .faq-version,
  .page-faq .faq-escalate { padding-block: 80px; }

  .page-faq .review-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .page-faq .review-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-faq .cost-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 48px; }
  .page-faq .escalate-grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 56px; }
  .page-faq .faq-escalate { clip-path: polygon(0 28px, 100% 0, 100% 100%, 0 100%); }
}

@media (min-width: 960px) {
  .page-faq .faq-head h1 { font-size: var(--fs-1); }
  .page-faq .qa-grid {
    grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
    gap: 64px;
  }
  .page-faq .qa-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
  .page-faq .qa-index__list {
    display: block;
    overflow: visible;
    border-bottom: 0;
    padding-bottom: 0;
  }
  .page-faq .qa-index__list li {
    border-bottom: 1px solid var(--line-gray);
  }
  .page-faq .qa-index__list a {
    padding: 9px 0;
    white-space: normal;
    line-height: 1.5;
  }
  .page-faq .version-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 64px;
    align-items: start;
  }
  .page-faq .faq-review h2,
  .page-faq .faq-cost h2,
  .page-faq .faq-version h2 { font-size: var(--fs-1); }
  .page-faq .review-fact__num { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
  }
}
<<<PAGE_CSS_END>>>