.page-faq {
  display: block;
  overflow-x: clip;
  --faq-accent: var(--anchor-600);
}

/* ============ 首屏：框景 + 索引带 ============ */
.page-faq .faq-hero {
  padding-top: clamp(1rem, 3vw, 2rem);
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-hero__frame {
  position: relative;
  border: var(--hair) solid var(--rule-2);
  border-radius: var(--r-md);
  padding: clamp(1.5rem, 4vw, 3.25rem) clamp(1.25rem, 3.5vw, 3rem) clamp(1rem, 3vw, 1.75rem);
  background: var(--glass-strong);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--anchor-600);
  pointer-events: none;
}

.page-faq .faq-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-hero__title {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.2vw, 3.75rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink-900);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: 1rem 0 0;
  max-width: 48ch;
  color: var(--ink-600);
}

.page-faq .faq-index {
  display: flex;
  gap: .5rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  padding-bottom: .35rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
  padding: .45rem .95rem;
  border: var(--hair) solid var(--rule-2);
  border-radius: var(--pill);
  background: var(--paper-000);
  font-family: var(--font-ui);
  font-size: .875rem;
  line-height: 1.4;
  color: var(--ink-600);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  border-color: var(--anchor-600);
  color: var(--anchor-600);
  background: var(--paper-100);
}

/* ============ 章节骨架 ============ */
.page-faq .faq-block {
  padding-top: clamp(2.25rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.25rem, 5vw, 3.5rem);
  border-top: var(--hair) solid var(--rule);
}

.page-faq .faq-block--start { --faq-accent: var(--spring-400); }
.page-faq .faq-block--routine { --faq-accent: var(--summer-500); }
.page-faq .faq-block--devices { --faq-accent: var(--autumn-300); }
.page-faq .faq-block--ref { --faq-accent: var(--winter-700); }
.page-faq .faq-block--search { --faq-accent: var(--summer-600); }
.page-faq .faq-block--contact { --faq-accent: var(--anchor-600); }

.page-faq .faq-block__head {
  border-bottom: var(--hair) solid var(--rule);
  padding-bottom: .85rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-block__head::before {
  content: "";
  display: block;
  width: 2.25rem;
  height: 3px;
  margin-bottom: .7rem;
  background: var(--faq-accent, var(--anchor-600));
}

.page-faq .faq-block__title {
  margin: .35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  line-height: 1.34;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-faq .faq-block__lede {
  margin: 0 0 1.35rem;
  max-width: 54ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-faq .faq-block__lede a {
  color: var(--anchor-600);
  text-decoration: underline;
  text-underline-offset: .22em;
}

.page-faq .faq-block--contact .faq-block__lede {
  margin-top: 1.4rem;
  margin-bottom: 0;
}

/* ============ 图文对照动线 ============ */
.page-faq .faq-flow {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-flow__media {
  margin: 0;
}

/* ============ 步骤 ============ */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: .85rem;
  padding-bottom: 1.05rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-900);
}

.page-faq .steps__item:last-child {
  padding-bottom: 0;
}

.page-faq .steps__item::before {
  content: "";
  position: absolute;
  left: .875rem;
  top: 1.95rem;
  bottom: 0;
  width: var(--hair);
  background: var(--rule-2);
}

.page-faq .steps__item:last-child::before {
  display: none;
}

.page-faq .steps__num {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border: var(--hair) solid var(--rule-2);
  border-radius: var(--pill);
  background: var(--paper-000);
  font-family: var(--font-figure);
  font-size: .8125rem;
  color: var(--ink-600);
}

.page-faq .steps__text {
  padding-top: .1rem;
}

.page-faq .steps__text a {
  color: var(--anchor-600);
  text-decoration: underline;
  text-underline-offset: .22em;
}

/* ============ 旁注 ============ */
.page-faq .faq-aside {
  margin: 1.25rem 0 0;
  padding: .7rem .95rem;
  border-left: 2px solid var(--faq-accent, var(--rule-2));
  background: var(--paper-100);
  font-family: var(--font-display);
  font-size: .9375rem;
  line-height: 1.9;
  color: var(--ink-600);
}

.page-faq .faq-aside a {
  color: var(--anchor-600);
  text-decoration: underline;
  text-underline-offset: .22em;
}

.page-faq .faq-block--search .faq-aside {
  margin-top: 1.5rem;
  max-width: 62ch;
}

/* ============ 日常回访清单 ============ */
.page-faq .pick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .pick-list__item {
  border-top: 2px solid var(--faq-accent, var(--anchor-600));
  border-radius: 0 0 var(--r-md) var(--r-md);
  background: var(--paper-100);
  padding: 1.1rem 1.25rem 1.25rem;
}

.page-faq .pick-list__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-faq .pick-list__text {
  margin: 0;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-faq .faq-block--routine .faq-aside {
  margin-top: 1.5rem;
}

/* ============ 左问右答 ============ */
.page-faq .qa-list {
  display: grid;
  gap: 1rem;
}

.page-faq .qa {
  border: var(--hair) solid var(--rule-2);
  border-radius: var(--r-md);
  background: var(--paper-000);
  overflow: hidden;
}

.page-faq .qa__ask {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: 1rem 1.15rem;
  background: var(--paper-100);
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
  transition: background-color .18s var(--ease);
}

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

.page-faq .qa__ask::marker {
  content: "";
}

.page-faq .qa__ask::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-figure);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--faq-accent, var(--anchor-600));
}

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

.page-faq .qa__ask:hover,
.page-faq .qa__ask:focus-visible {
  background: var(--paper-200);
}

.page-faq .qa__body {
  padding: 1rem 1.15rem 1.15rem;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-faq .qa__body p {
  margin: 0 0 .6rem;
}

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

/* ============ 检索写法对照 ============ */
.page-faq .tips {
  display: grid;
  gap: 1rem;
}

.page-faq .tips__col {
  border: var(--hair) solid var(--rule-2);
  border-radius: var(--r-md);
  padding: 1.15rem 1.25rem;
  background: var(--paper-000);
}

.page-faq .tips__col--yes {
  border-top: 2px solid var(--faq-accent, var(--anchor-600));
}

.page-faq .tips__col--no {
  background: var(--paper-100);
  border-style: dashed;
}

.page-faq .tips__title {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-faq .tips__list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-faq .tips__list li {
  margin-bottom: .4rem;
}

.page-faq .tips__list li:last-child {
  margin-bottom: 0;
}

/* ============ 联系方式卡 ============ */
.page-faq .reach-card {
  display: grid;
  gap: 1rem;
  border: var(--hair) solid var(--rule-2);
  border-radius: var(--r-md);
  padding: clamp(1.15rem, 3vw, 1.75rem);
  background: var(--glass-strong);
  box-shadow: var(--shadow-float);
}

.page-faq .reach-card__item {
  border-top: 2px solid var(--faq-accent, var(--anchor-600));
  border-radius: var(--r-xs) var(--r-xs) var(--r-sm) var(--r-sm);
  background: var(--paper-100);
  padding: .95rem 1.05rem 1.05rem;
}

.page-faq .reach-card__label {
  margin: 0 0 .5rem;
  font-family: var(--font-figure);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--ink-600);
}

.page-faq .reach-card__value {
  margin: 0 0 .5rem;
  font-family: var(--font-figure);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-faq .reach-card__note,
.page-faq .reach-card__list {
  margin: 0;
  font-size: .9063rem;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-faq .reach-card__list {
  padding-left: 1.05rem;
}

.page-faq .reach-card__list li {
  margin-bottom: .3rem;
}

.page-faq .reach-card__list li:last-child {
  margin-bottom: 0;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-aside {
    margin-left: 2.6rem;
  }
}

@media (min-width: 760px) {
  .page-faq .pick-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 800px) {
  .page-faq .reach-card {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .qa {
    display: grid;
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.45fr);
  }

  .page-faq .qa__ask {
    align-self: stretch;
    border-right: var(--hair) solid var(--rule-2);
    padding: 1.15rem 1.25rem;
  }

  .page-faq .qa__body {
    padding: 1.15rem 1.35rem;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-flow {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr);
    align-items: start;
    gap: clamp(1.75rem, 4vw, 3rem);
  }

  .page-faq .faq-flow--flip {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.35fr);
  }

  .page-faq .faq-block__lede {
    max-width: 60ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .qa__ask {
    transition: none;
  }
}