.page-faq {
  --faq-panel: #FCF8EF;
  --faq-panel-soft: #F7F1E4;
  color: var(--ink-900);
}

.page-faq * {
  box-sizing: border-box;
}

.page-faq img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-top: clamp(10px, 2.6vw, 26px);
  padding-bottom: clamp(26px, 5vw, 54px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 46px);
  grid-template-columns: 1fr;
}

.page-faq .faq-hero__copy h1 {
  margin: 0.28em 0 0.52em;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink-900);
}

.page-faq .faq-mark {
  position: relative;
  display: inline-block;
  padding-bottom: 0.05em;
}

.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.02em;
  height: 0.22em;
  background: linear-gradient(90deg, var(--orange-500), var(--orange-300) 72%, transparent);
  opacity: 0.55;
  border-radius: 2px;
  z-index: -1;
}

.page-faq .faq-hero__copy .yw-lead {
  max-width: 44ch;
  color: var(--ink-700);
}

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

.page-faq .faq-hero__fig .yw-figure__frame {
  border-radius: var(--r-md);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

/* ---------- 主体分栏 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 3.6vw, 44px);
  grid-template-columns: 1fr;
  padding-bottom: clamp(44px, 7vw, 88px);
}

/* 书签式索引 */

.page-faq .faq-index {
  position: relative;
  padding: 16px 14px 18px;
  border: 1px solid var(--line-300);
  border-radius: var(--r-md);
  background: var(--faq-panel-soft);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-index::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--orange-500), var(--sand-500) 60%, var(--celadon-500));
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  padding-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--sand-500);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 7px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--ink-700);
  font-size: 0.93rem;
  line-height: 1.45;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--orange-300);
  color: var(--ink-900);
}

.page-faq .faq-index__link[aria-current] {
  background: var(--orange-500);
  border-left-color: var(--sand-500);
  color: #fff;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--sand-500);
}

.page-faq .faq-index__link[aria-current] .faq-index__num {
  color: var(--sand-200);
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  padding-left: 8px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink-700);
  opacity: 0.72;
}

/* ---------- 答案卡片 ---------- */

.page-faq .faq-answers {
  display: grid;
  gap: clamp(16px, 2.8vw, 28px);
}

.page-faq .faq-card {
  position: relative;
  padding: clamp(20px, 3.2vw, 34px) clamp(18px, 3vw, 36px);
  background: var(--faq-panel);
  border: 1px solid var(--line-300);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--orange-500), var(--sand-500));
}

.page-faq .faq-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-card--soft {
  background: var(--faq-panel-soft);
}

.page-faq .faq-card--soft::before {
  background: linear-gradient(180deg, var(--celadon-500), var(--sand-500));
}

.page-faq .faq-card__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin: 0 0 0.72em;
  font-size: clamp(1.1rem, 2.3vw, 1.44rem);
  line-height: 1.36;
  font-weight: 900;
  color: var(--ink-900);
}

.page-faq .faq-card__q--plain {
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-card__num {
  align-self: start;
  padding: 3px 7px;
  border-radius: var(--r-sm);
  background: var(--sand-200);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ink-900);
}

.page-faq .faq-card p {
  margin: 0 0 0.85em;
  font-size: 1.02rem;
  line-height: 1.82;
  color: var(--ink-700);
}

.page-faq .faq-card p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-card a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-300);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-card a:hover,
.page-faq .faq-card a:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* 内嵌图 */

.page-faq .faq-inline-fig {
  margin: 1.1rem 0 1rem;
}

.page-faq .faq-inline-fig .yw-figure__frame {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

/* 下一步按钮 */

.page-faq .faq-card .faq-card__next {
  margin: 1.15rem 0 0;
}

.page-faq .faq-card .faq-next {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--r-full);
  border-bottom: 0;
  background: var(--ink-900);
  color: var(--paper-100);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-faq .faq-card .faq-next::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.page-faq .faq-card .faq-next:hover,
.page-faq .faq-card .faq-next:focus-visible {
  background: var(--orange-500);
  color: #fff;
  transform: translateY(-1px);
}

/* ---------- 动效 ---------- */

.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 340ms var(--ease), transform 340ms var(--ease);
}

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

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 6px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(206px, 240px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--sticky-offset);
  }

  .page-faq .faq-index__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-card__q {
    gap: 9px;
  }

  .page-faq .faq-card .faq-next {
    width: 100%;
    justify-content: center;
  }
}