.page-faq {
  --faq-rail: 272px;
  --faq-radius: 3px;
  --faq-border: #DDE6F0;
  background: linear-gradient(180deg, #EDF2F8 0%, #F6F9FC 42%, #EDF2F8 100%);
  color: var(--dag-ink);
  padding-bottom: clamp(56px, 9vw, 108px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(18px, 3vw, 30px) 0 clamp(28px, 4.6vw, 52px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 52px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--dag-deep);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.8;
  color: var(--dag-slate);
}

.page-faq .faq-board {
  background: var(--dag-deep);
  color: #FFFFFF;
  border-radius: var(--faq-radius);
  padding: 20px clamp(16px, 2vw, 24px) 18px;
  box-shadow: 0 20px 44px -30px rgba(10, 35, 64, 0.7);
}

.page-faq .faq-board__ttl {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--dag-amber);
}

.page-faq .faq-board__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.page-faq .faq-board__item {
  border-top: 1px solid rgba(157, 184, 214, 0.32);
  padding-top: 10px;
}

.page-faq .faq-board__num {
  display: block;
  font-family: var(--dag-mono);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.2;
  color: #FFFFFF;
}

.page-faq .faq-board__label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.5;
  color: #B9CCE3;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 36px);
}

/* ---------- 左侧粘性目录 ---------- */
.page-faq .faq-index {
  background: #FFFFFF;
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-index__head {
  margin: 0;
  background: var(--dag-navy);
  color: #FFFFFF;
  padding: 12px 16px;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 8px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--dag-deep);
  text-decoration: none;
  border-radius: 2px;
  white-space: nowrap;
  border-left: 3px solid transparent;
  transition: background 0.2s var(--dag-ease), border-color 0.2s var(--dag-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--dag-mist);
  border-left-color: var(--dag-orange);
  outline: none;
}

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

/* ---------- 章节卡片 ---------- */
.page-faq .faq-flowcol {
  min-width: 0;
}

.page-faq .faq-section {
  background: #FFFFFF;
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  margin-bottom: clamp(16px, 2.4vw, 26px);
  box-shadow: 0 1px 0 rgba(10, 35, 64, 0.04);
  scroll-margin-top: calc(var(--dag-header-h) + 20px);
}

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 8px;
  align-items: center;
  padding: clamp(18px, 2.4vw, 26px) clamp(16px, 2.6vw, 30px) clamp(14px, 2vw, 20px);
  border-bottom: 1px solid var(--dag-mist);
}

.page-faq .faq-section__no {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--dag-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--dag-orange);
  border: 1px solid var(--dag-orange);
  border-radius: 2px;
  padding: 2px 7px;
}

.page-faq .faq-section__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--dag-deep);
  line-height: 1.3;
}

.page-faq .faq-section__lead {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0;
  max-width: 50em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dag-slate);
}

.page-faq .faq-section__more {
  grid-column: 1 / -1;
  grid-row: 3;
  margin: 0;
  font-size: 14px;
  color: var(--dag-slate);
}

.page-faq .faq-section__more a {
  color: var(--dag-link);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 99, 168, 0.35);
}

.page-faq .faq-section__more a:hover {
  border-bottom-color: var(--dag-orange);
  color: var(--dag-orange-dark);
}

.page-faq .faq-facts {
  grid-column: 1 / -1;
  grid-row: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-faq .faq-section__more + .faq-facts,
.page-faq .faq-facts + .faq-section__more {
  grid-row: auto;
}

.page-faq .faq-fact {
  font-family: var(--dag-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--dag-navy);
  background: var(--dag-mist);
  border: 1px solid #D5E1F0;
  border-radius: 2px;
  padding: 5px 10px;
}

.page-faq .faq-fact--hot {
  background: var(--dag-amber);
  border-color: var(--dag-amber);
  color: var(--dag-deep);
  font-weight: 700;
}

/* ---------- 图文 ---------- */
.page-faq .faq-figure {
  padding: clamp(16px, 2.4vw, 26px) clamp(16px, 2.6vw, 30px) 4px;
  margin: 0;
}

.page-faq .faq-figure__media {
  border-radius: 2px;
}

.page-faq .faq-figure--square .dag-figure__media {
  max-width: 420px;
}

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

/* ---------- 折叠问答 ---------- */
.page-faq .dag-acc {
  padding: 0 0 8px;
}

.page-faq .dag-acc__item + .dag-acc__item {
  border-top: 1px solid var(--dag-mist);
}

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

.page-faq .dag-acc__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  margin: 0;
  padding: 16px clamp(16px, 2.6vw, 30px);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--dag-deep);
  transition: color 0.2s var(--dag-ease);
}

.page-faq .dag-acc__trigger:hover,
.page-faq .dag-acc__trigger:focus-visible {
  color: var(--dag-orange-dark);
  outline: none;
}

.page-faq .dag-acc__trigger::after {
  content: "+";
  flex: none;
  width: 22px;
  text-align: center;
  font-family: var(--dag-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--dag-orange);
}

.page-faq .dag-acc__trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-faq .dag-acc__panel {
  padding: 2px clamp(16px, 2.6vw, 30px) 20px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dag-ink);
}

.page-faq .faq-step:last-child {
  margin-bottom: 4px;
}

.page-faq .faq-step__tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--dag-navy);
  padding-top: 3px;
}

/* ---------- 决策分支 SVG ---------- */
.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: clamp(12px, 2vw, 20px) 0 clamp(8px, 1.4vw, 14px);
  padding: 0 clamp(16px, 2.6vw, 30px);
  box-sizing: border-box;
  color: var(--dag-line);
}

.page-faq .faq-flow rect {
  fill: #FFFFFF;
  stroke: currentColor;
  stroke-width: 1.5;
}

.page-faq .faq-flow rect.is-hot {
  fill: #FFF1E4;
  stroke: var(--dag-orange);
}

.page-faq .faq-flow text {
  fill: var(--dag-deep);
  font-size: 14px;
  font-weight: 600;
}

.page-faq .faq-flow text.is-hot {
  fill: var(--dag-orange-dark);
}

/* ---------- 后续入口 ---------- */
.page-faq .faq-next {
  margin-top: clamp(24px, 3.6vw, 44px);
  background: var(--dag-paper);
  border: 1px solid var(--faq-border);
  border-left: 4px solid var(--dag-orange);
  border-radius: var(--faq-radius);
  padding: clamp(20px, 2.8vw, 30px) clamp(16px, 2.6vw, 30px);
}

.page-faq .faq-next__title {
  margin: 0 0 18px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--dag-deep);
}

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

.page-faq .faq-next__link {
  display: block;
  padding: 14px 16px;
  background: #FFFFFF;
  border: 1px solid var(--faq-border);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color 0.2s var(--dag-ease), transform 0.2s var(--dag-ease);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  border-color: var(--dag-orange);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-next__name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--dag-deep);
  line-height: 1.5;
}

.page-faq .faq-next__hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--dag-slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-step {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 4px 14px;
  }

  .page-faq .faq-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--dag-header-h) + 18px);
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding: 10px;
  }

  .page-faq .faq-index__item + .faq-index__item {
    margin-top: 2px;
  }

  .page-faq .faq-index__link {
    white-space: normal;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-section:nth-of-type(2n) .faq-section__lead {
    max-width: 44em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .dag-acc__trigger,
  .page-faq .faq-next__link {
    transition: none;
  }

  .page-faq .faq-next__link:hover,
  .page-faq .faq-next__link:focus-visible {
    transform: none;
  }
}