.page-faq {
  --faq-gap: clamp(20px, 4vw, 40px);
  --faq-pad: clamp(18px, 3.5vw, 34px);
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .crumbs {
  margin-bottom: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(22px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(28px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 58ch;
  font-size: clamp(14px, 1.9vw, 16px);
  line-height: 1.8;
  color: var(--cool);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__chip {
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cool);
}

/* ---------- 排查路线带 ---------- */
.page-faq .faq-route {
  margin-top: clamp(24px, 4vw, 48px);
  padding: var(--faq-pad);
  background: var(--ink-850);
  border: 1px solid var(--line);
}

.page-faq .faq-route__head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-route__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.8vw, 26px);
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-route__desc {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--cool);
}

.page-faq .faq-route__body {
  display: grid;
  gap: var(--faq-gap);
}

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

.page-faq .faq-route__line {
  display: none;
  width: 100%;
  height: 24px;
  margin-bottom: 6px;
}

.page-faq .faq-route__line polyline {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-faq .faq-route__line circle {
  fill: var(--lime);
}

.page-faq .faq-route__steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-route__step {
  border-top: 1px solid var(--line);
}

.page-faq .faq-route__step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-route__link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx label"
    "idx hint";
  gap: 2px 12px;
  padding: 14px 12px 14px 0;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-route__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--amber);
}

.page-faq .faq-route__label {
  grid-area: label;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-route__hint {
  grid-area: hint;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--cool);
}

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

.page-faq .faq-route__link:hover,
.page-faq .faq-route__link:focus-visible {
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, 0.05);
}

.page-faq .faq-route__figure {
  margin: 0;
  border: 1px solid var(--line);
}

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

.page-faq .faq-route__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(32px, 5vw, 64px);
}

.page-faq .faq-index {
  padding: var(--faq-pad);
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 400;
  color: var(--lime);
}

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

.page-faq .faq-index__item {
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 11px 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--lime);
  padding-left: 6px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--cool);
}

.page-faq .faq-index__cta {
  display: inline-block;
  margin-top: 16px;
  padding: 9px 14px;
  background: var(--lime);
  color: var(--ink-900);
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-index__cta:hover,
.page-faq .faq-index__cta:focus-visible {
  background: var(--paper);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group + .faq-group,
.page-faq .faq-group + .faq-privacy {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-faq .faq-group__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 10px;
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.8vw, 27px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-group__intro {
  margin: 0 0 18px;
  max-width: 54ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--cool);
}

.page-faq .qa {
  border-top: 1px solid var(--line);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa__summary {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 15px 4px 15px 12px;
  border-left: 2px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

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

.page-faq .qa__summary:hover,
.page-faq .qa__summary:focus-visible {
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, 0.05);
}

.page-faq .qa__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--amber);
  flex: none;
}

.page-faq .qa__q {
  flex: 1;
  font-size: clamp(14.5px, 1.9vw, 16.5px);
  font-weight: 500;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .qa__mark {
  position: relative;
  width: 12px;
  height: 12px;
  flex: none;
  margin-left: auto;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--cool);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .qa__mark::before {
  top: 5.5px;
  left: 0;
  width: 12px;
  height: 1px;
}

.page-faq .qa__mark::after {
  top: 0;
  left: 5.5px;
  width: 1px;
  height: 12px;
}

.page-faq .qa[open] .qa__summary {
  border-left-color: var(--ember);
  background: rgba(255, 106, 61, 0.06);
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--ember);
}

.page-faq .qa[open] .qa__mark::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .qa__body {
  padding: 2px 4px 20px 12px;
  border-left: 2px solid var(--ember);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--cool);
}

.page-faq .qa__body > p {
  margin: 0;
  max-width: 58ch;
}

.page-faq .qa__steps {
  margin: 0;
  padding: 0 0 0 1.1em;
  display: grid;
  gap: 7px;
}

.page-faq .qa__steps li {
  padding-left: 4px;
}

.page-faq .qa__steps li::marker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

.page-faq .qa__steps + p {
  margin-top: 12px;
}

.page-faq .qa__mail {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--amber);
  word-break: break-all;
}

.page-faq .qa__link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.18s var(--ease);
}

.page-faq .qa__link:hover,
.page-faq .qa__link:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 隐私引导（纸白区块） ---------- */
.page-faq .faq-privacy {
  margin-top: clamp(32px, 5vw, 56px);
  padding: var(--faq-pad);
  background: var(--paper);
  color: var(--ink-900);
  border-left: 4px solid var(--ink-800);
}

.page-faq .faq-privacy__head {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 10px;
}

.page-faq .faq-privacy__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-800);
  opacity: 0.7;
}

.page-faq .faq-privacy__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(18px, 2.6vw, 24px);
  line-height: 1.3;
  color: var(--ink-900);
}

.page-faq .faq-privacy__text {
  margin: 0;
  max-width: 56ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-800);
}

.page-faq .faq-privacy__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-800);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-privacy__link:hover,
.page-faq .faq-privacy__link:focus-visible {
  color: var(--ink-800);
  border-bottom-color: var(--ember);
}

/* ---------- 底部救援区 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 0;
  margin-top: clamp(32px, 5vw, 64px);
  border: 1px solid var(--line);
  background: var(--ink-850);
}

.page-faq .faq-help__body {
  padding: var(--faq-pad);
}

.page-faq .faq-help__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.8vw, 26px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-help__text {
  margin: 10px 0 0;
  max-width: 48ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--cool);
}

.page-faq .faq-help__links {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__links li {
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-help__link {
  display: block;
  padding: 11px 0;
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-help__link:hover,
.page-faq .faq-help__link:focus-visible {
  color: var(--lime);
  padding-left: 6px;
}

.page-faq .faq-help__figure {
  margin: 0;
  border-top: 1px solid var(--line);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-route__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(16px, 3vw, 32px);
  }

  .page-faq .faq-help {
    grid-template-columns: 1.25fr 1fr;
  }

  .page-faq .faq-help__figure {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-help__figure img {
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-route__line {
    display: block;
  }

  .page-faq .faq-route__body {
    grid-template-columns: 1.35fr 0.85fr;
    align-items: start;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 60px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-route__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(14px, 2vw, 26px);
  }

  .page-faq .faq-body {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}
<<<END>>>