/* ============================================================
   常见问答 · page-faq 作用域
   ============================================================ */

.page-faq {
  --faq-ink-soft: rgba(22, 34, 46, 0.76);
  --faq-ink-line: rgba(22, 34, 46, 0.14);
  display: block;
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 58px) 0 clamp(22px, 3vw, 38px);
  border-bottom: 1px solid var(--line-hair);
}

.page-faq .faq-hero h1 {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(36px, 8vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 12px 0 18px;
  color: var(--text-strong);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: var(--t17);
  line-height: 1.72;
  color: var(--text-soft);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.page-faq .faq-hero__meta li {
  font-size: var(--t12);
  letter-spacing: 0.06em;
  color: var(--text-soft);
  border: 1px solid var(--line-hair);
  border-radius: var(--r-pill);
  padding: 5px 13px;
  background: var(--ink-panel-2);
}

.page-faq .faq-hero__meta .c5-mono {
  color: var(--warm-gold);
  font-weight: 700;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(50px, 8vw, 100px);
  align-items: start;
}

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

/* ---------- 先看这 5 条（暖纸反白） ---------- */
.page-faq .faq-quick {
  background: var(--paper-warm);
  color: var(--ink-on-paper);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 38px);
  box-shadow: 0 24px 60px -40px rgba(0, 0, 0, 0.85);
}

.page-faq .faq-quick__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 20px;
}

.page-faq .faq-quick__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 30px);
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.page-faq .faq-quick__hint {
  font-size: var(--t12);
  letter-spacing: 0.14em;
  color: var(--faq-ink-soft);
  border: 1px solid var(--faq-ink-line);
  border-radius: var(--r-pill);
  padding: 3px 11px;
}

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

.page-faq .faq-quick__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--faq-ink-line);
}

.page-faq .faq-quick__item:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-faq .faq-quick__no {
  font-family: var(--f-mono);
  font-size: var(--t22);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  color: var(--signal-red);
}

.page-faq .faq-quick__q {
  margin: 0 0 6px;
  font-size: var(--t17);
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .faq-quick__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-quick__a a {
  color: var(--ink-on-paper);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-quick__a a:hover,
.page-faq .faq-quick__a a:focus-visible {
  color: var(--signal-red);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-top: clamp(36px, 5vw, 60px);
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--line-hair);
  position: relative;
}

.page-faq .faq-group::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 52px;
  height: 2px;
  background: var(--warm-gold);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  margin-bottom: 14px;
}

.page-faq .faq-group__no {
  grid-row: 1 / span 2;
  font-family: var(--f-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--signal-red);
  letter-spacing: -0.02em;
}

.page-faq .faq-group__title {
  margin: 0;
  grid-column: 2;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-strong);
}

.page-faq .faq-group__desc {
  grid-column: 2;
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  margin-top: 18px;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-hair);
  border-left: 3px solid transparent;
  background: transparent;
  transition: background var(--dur) var(--ease), border-left-color var(--dur) var(--ease);
}

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--line-hair);
}

.page-faq .faq-item[open] {
  background: var(--ink-panel-2);
  border-left-color: var(--signal-red);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 12px;
  padding: 17px 16px 17px 13px;
  cursor: pointer;
  list-style: none;
  font-size: var(--t17);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-strong);
  transition: color var(--dur) var(--ease);
}

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

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--warm-gold);
}

.page-faq .faq-item__idx {
  font-family: var(--f-mono);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--warm-gold);
  padding-top: 3px;
  letter-spacing: 0.02em;
}

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

.page-faq .faq-item__chev {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  justify-self: end;
  border-right: 2px solid var(--text-soft);
  border-bottom: 2px solid var(--text-soft);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(-135deg);
  border-color: var(--warm-gold);
}

.page-faq .faq-item__a {
  padding: 0 22px 22px 65px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

.page-faq .faq-item__a a {
  color: var(--warm-gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--signal-red);
}

/* ---------- 内嵌状态胶囊 ---------- */
.page-faq .faq-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 2px;
  padding: 1px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-hair);
  background: var(--ink-panel);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  white-space: nowrap;
  vertical-align: baseline;
}

.page-faq .faq-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.page-faq .faq-pill--live {
  color: var(--state-live);
  border-color: rgba(47, 191, 155, 0.42);
  background: rgba(47, 191, 155, 0.09);
}

.page-faq .faq-pill--pending {
  color: var(--state-pending);
  border-color: rgba(224, 138, 30, 0.42);
  background: rgba(224, 138, 30, 0.09);
}

.page-faq .faq-pill--expired {
  color: var(--state-expired);
  border-color: rgba(126, 144, 161, 0.42);
  background: rgba(126, 144, 161, 0.09);
}

/* ---------- 正文配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line-hair);
  object-fit: cover;
  background: var(--ink-panel);
}

.page-faq .faq-figure__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-soft);
}

/* ---------- 右栏图例 ---------- */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-legend {
  border: 1px solid var(--line-hair);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--ink-panel) 0%, var(--ink-panel-2) 100%);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-legend__title {
  margin: 8px 0 6px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: var(--t22);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-faq .faq-legend__intro {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-faq .faq-legend__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-hair);
  object-fit: cover;
}

.page-faq .faq-legend__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-legend__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.page-faq .faq-legend__row .faq-pill {
  margin: 0;
}

.page-faq .faq-legend__desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-soft);
}

.page-faq .faq-legend__scale {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line-hair);
}

.page-faq .faq-legend__scaleTitle {
  margin: 0 0 10px;
  font-size: var(--t12);
  letter-spacing: 0.1em;
  color: var(--text-soft);
}

.page-faq .faq-scale {
  display: flex;
  gap: 4px;
}

.page-faq .faq-scale__seg {
  flex: 1 1 0;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--line-hair);
}

.page-faq .faq-scale__seg--1 { background: rgba(232, 178, 60, 0.18); }
.page-faq .faq-scale__seg--2 { background: rgba(232, 178, 60, 0.34); }
.page-faq .faq-scale__seg--3 { background: rgba(232, 178, 60, 0.52); }
.page-faq .faq-scale__seg--4 { background: rgba(232, 178, 60, 0.74); }
.page-faq .faq-scale__seg--5 { background: var(--warm-gold); }

.page-faq .faq-legend__scaleNote {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-faq .faq-legend__cta {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

/* ---------- 进入视口微动效 ---------- */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-quick__item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px;
  }

  .page-faq .faq-item__q {
    grid-template-columns: 46px minmax(0, 1fr) 20px;
    padding: 19px 20px 19px 16px;
  }

  .page-faq .faq-item__a {
    padding: 0 28px 24px 78px;
    font-size: 16px;
  }

  .page-faq .faq-legend__row {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 14px;
  }
}

/* ---------- 桌面：左问右查 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 316px;
    gap: clamp(30px, 3.4vw, 48px);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    column-gap: 20px;
    align-items: baseline;
  }

  .page-faq .faq-group__title {
    grid-column: 2;
  }

  .page-faq .faq-group__desc {
    grid-column: 2;
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 480px) {
  .page-faq .faq-hero__meta li {
    font-size: 11px;
    padding: 4px 10px;
  }

  .page-faq .faq-quick__item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }

  .page-faq .faq-quick__no {
    font-size: var(--t17);
  }

  .page-faq .faq-item__q {
    grid-template-columns: 26px minmax(0, 1fr) 14px;
    gap: 10px;
    padding: 14px 12px 14px 10px;
    font-size: 16px;
  }

  .page-faq .faq-item__idx {
    font-size: 13px;
    padding-top: 3px;
  }

  .page-faq .faq-item__a {
    padding: 0 14px 18px 48px;
    font-size: 15px;
  }

  .page-faq .faq-pill {
    margin: 0;
  }
}
</main>