.page-faq {
  --faq-cat-entry: var(--cyan);
  --faq-cat-review: var(--violet);
  --faq-cat-saved: var(--orange);
  --faq-cat-refresh: var(--cyan-deep);
  background: var(--night);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-mast {
  position: relative;
  padding: clamp(22px, 5vw, 52px) 0 clamp(16px, 3vw, 30px);
}

.page-faq .faq-mast__title {
  margin: 0.4em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 7.4vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 22ch;
  text-wrap: balance;
}

.page-faq .faq-mast__lede {
  margin-top: 16px;
  max-width: 60ch;
}

.page-faq .faq-mast__scale {
  display: block;
  width: 100%;
  height: 22px;
  margin-top: clamp(18px, 3.5vw, 30px);
  color: var(--line);
}

.page-faq .faq-mast__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 680px) {
  .page-faq .faq-mast__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-2);
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.32rem;
  line-height: 1.1;
  color: var(--orange);
}

.page-faq .faq-fact__label {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 正文：侧栏 + 问答流 ---------- */
.page-faq .faq-body {
  padding: clamp(12px, 3vw, 22px) 0 clamp(32px, 5vw, 56px);
}

.page-faq .faq-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 292px minmax(0, 1fr);
  }
}

.page-faq .faq-body__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

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

.page-faq .faq-body__note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan-line);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

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

/* 筛选栏 */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-2);
}

.page-faq .filter-bar__label {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .filter-btn:hover {
  color: var(--ink);
  border-color: var(--cyan-line);
}

.page-faq .filter-btn.is-active {
  color: var(--night);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .filter-btn__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.72rem;
  opacity: 0.72;
}

/* 问答卡 */
.page-faq .faq-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-card {
  --cat: var(--cyan);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cat);
  border-radius: var(--radius-lg);
  background: var(--panel);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-card[data-tags~="entry"] { --cat: var(--faq-cat-entry); }
.page-faq .faq-card[data-tags~="review"] { --cat: var(--faq-cat-review); }
.page-faq .faq-card[data-tags~="saved"] { --cat: var(--faq-cat-saved); }
.page-faq .faq-card[data-tags~="refresh"] { --cat: var(--faq-cat-refresh); }

.page-faq .faq-card:hover {
  border-color: var(--cyan-line);
  border-left-color: var(--cat);
}

.page-faq .faq-card[open] {
  border-color: var(--cyan-line);
  border-left-color: var(--cat);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-card__q {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-card__q::-webkit-details-marker { display: none; }
.page-faq .faq-card__q::marker { content: ""; }

.page-faq .faq-card__tag {
  flex: 0 0 auto;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: var(--pill);
  font-size: 0.72rem;
  line-height: 1.45;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--cat);
}

.page-faq .faq-card__ask {
  flex: 1 1 190px;
  min-width: 0;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .faq-card__sign {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-left: auto;
}

.page-faq .faq-card__sign::before,
.page-faq .faq-card__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--muted);
  transform: translate(-50%, -50%);
}

.page-faq .faq-card__sign::before {
  width: 12px;
  height: 1.5px;
}

.page-faq .faq-card__sign::after {
  width: 1.5px;
  height: 12px;
  transition: transform 0.22s ease;
}

.page-faq .faq-card[open] .faq-card__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-card__a {
  padding: 0 18px 18px;
}

.page-faq .faq-card__a::before {
  content: "";
  display: block;
  height: 1px;
  margin-bottom: 14px;
  background: var(--line);
}

.page-faq .faq-card__say {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.9;
  color: var(--cyan);
}

/* ---------- 更新节点刻度 ---------- */
.page-faq .faq-timing {
  padding: clamp(28px, 5vw, 56px) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-2), var(--night));
}

.page-faq .faq-ruler {
  margin-top: 8px;
}

.page-faq .faq-ruler__list {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 0;
  padding: 6px 0 6px 26px;
  list-style: none;
}

.page-faq .faq-ruler__list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--cyan-deep), var(--line));
}

.page-faq .faq-ruler__stop {
  position: relative;
}

.page-faq .faq-ruler__dot {
  position: absolute;
  left: -22px;
  top: 6px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--night);
}

.page-faq .faq-ruler__time {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .faq-ruler__text {
  margin: 4px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-faq .faq-ruler__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding: 0;
  }

  .page-faq .faq-ruler__list::before {
    left: 0;
    right: 0;
    top: 8px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), var(--cyan-deep), var(--line));
  }

  .page-faq .faq-ruler__stop {
    padding-top: 28px;
  }

  .page-faq .faq-ruler__dot {
    left: 0;
    top: 2px;
  }
}

.page-faq .faq-timing__figure {
  margin-top: clamp(22px, 4vw, 36px);
}

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

/* ---------- 提报 ---------- */
.page-faq .faq-request {
  padding: clamp(28px, 5vw, 56px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-request__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-faq .faq-request__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  }
}

.page-faq .faq-request__copy .btn {
  margin-top: 20px;
}

.page-faq .faq-request__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 18px 0 0;
}

.page-faq .faq-request__key {
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-request__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: var(--orange);
}

.page-faq .faq-request__panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-request__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-faq .faq-request__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-request__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .faq-request__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-faq .faq-request__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-request__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-card__sign::after,
  .page-faq .filter-btn {
    transition: none;
  }
}
</main>