.page-faq {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 38px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -20%;
  right: -14%;
  width: 52%;
  height: 140%;
  background: linear-gradient(158deg, rgba(255, 74, 28, .18), rgba(255, 74, 28, 0) 64%);
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__inner {
  max-width: 820px;
  margin-top: 18px;
}

.page-faq h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 58px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 66ch;
}

.page-faq .breadcrumb {
  margin-bottom: 4px;
}

/* ---------- 首屏数据条 ---------- */
.page-faq .faq-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-ledger__cell {
  background: var(--panel);
  padding: 15px 16px;
}

.page-faq .faq-ledger__num {
  display: block;
  font-family: var(--font-data);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-ledger__num--flare {
  color: var(--flare);
}

.page-faq .faq-ledger__lab {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 锚点索引条 ---------- */
.page-faq .faq-rail {
  position: sticky;
  top: var(--header-h-solid);
  z-index: 20;
  background: rgba(5, 8, 10, .94);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-rail__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 10px;
  padding-bottom: 10px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  color: var(--silver);
  border: 1px solid var(--line);
  background: rgba(18, 37, 32, .6);
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-rail__item:hover {
  color: var(--paper);
  border-color: var(--line-strong);
  background: rgba(255, 74, 28, .10);
}

.page-faq .faq-rail__item:focus-visible {
  outline: 2px solid var(--flare);
  outline-offset: 2px;
}

.page-faq .faq-rail__no {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--flare);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: 46px 0 10px;
}

.page-faq .faq-group:last-of-type {
  padding-bottom: 30px;
}

.page-faq .faq-group__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 0 0 16px 18px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 24px;
  width: 3px;
  background: var(--flare);
  transform: skewY(-6deg);
}

.page-faq .faq-group__no {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--flare);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  flex: 1 1 240px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa {
  border-top: 1px solid var(--line);
}

.page-faq .qa:first-child {
  border-top: 0;
}

.page-faq .qa__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 0;
  margin: 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--flare);
}

.page-faq .qa__q {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color .2s var(--ease);
}

.page-faq .qa__head:hover .qa__q {
  color: var(--flare-soft);
}

.page-faq .qa__head:focus-visible {
  outline: 2px solid var(--flare);
  outline-offset: 2px;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--line-strong);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--silver);
  transition: opacity .2s var(--ease);
}

.page-faq .qa__mark::before {
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
}

.page-faq .qa__mark::after {
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .qa[open] .qa__mark::before {
  opacity: 0;
}

.page-faq .qa__body {
  padding: 0 0 18px 26px;
  margin-left: 1px;
  border-left: 2px solid var(--line);
}

.page-faq .qa__answer p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

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

.page-faq .qa__answer a {
  color: var(--flare-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 92, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .qa__answer a:hover {
  color: var(--flare);
  border-color: var(--flare);
}

.page-faq .qa__answer a:focus-visible {
  outline: 2px solid var(--flare);
  outline-offset: 2px;
}

.page-faq .qa__answer--note {
  padding-left: 14px;
  border-left: 3px solid var(--amber);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
}

.page-faq .faq-figure .figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  padding: 34px 0 72px;
}

.page-faq .faq-next__panel {
  position: relative;
  overflow: hidden;
  padding: 32px 22px 26px;
  background: var(--carbon);
  border: 1px solid var(--line);
}

.page-faq .faq-next__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--flare), rgba(255, 74, 28, 0));
}

.page-faq .faq-next__panel::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 190px;
  height: 190px;
  background: rgba(255, 74, 28, .12);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .faq-next__panel h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--paper);
  position: relative;
  z-index: 1;
}

.page-faq .faq-next__lede {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-next__links {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-next__links a {
  display: block;
  min-height: 44px;
  padding: 18px 18px 20px;
  text-decoration: none;
  background: var(--panel);
  transition: background-color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-next__links a:hover {
  background: rgba(255, 74, 28, .10);
  padding-left: 22px;
}

.page-faq .faq-next__links a:focus-visible {
  outline: 2px solid var(--flare);
  outline-offset: -2px;
}

.page-faq .faq-next__no {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--flare);
}

.page-faq .faq-next__t {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-next__d {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 锚点定位补偿 ---------- */
.page-faq .faq-group,
.page-faq .faq-next {
  scroll-margin-top: calc(var(--header-h-solid) + 76px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 52px 0 46px;
  }

  .page-faq .faq-ledger {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-ledger__cell {
    padding: 18px 20px;
  }

  .page-faq .faq-ledger__num {
    font-size: 28px;
  }

  .page-faq .faq-next__panel {
    padding: 42px 36px 36px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-group {
    padding: 58px 0 12px;
  }

  .page-faq .qa {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 11fr);
  }

  .page-faq .qa__head {
    padding: 24px 30px 24px 0;
  }

  .page-faq .qa__q {
    font-size: 17px;
  }

  .page-faq .qa__body {
    padding: 24px 0 26px 30px;
    margin-left: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .qa__body .qa__answer p {
    max-width: 62ch;
  }

  .page-faq .faq-figure {
    margin-top: 38px;
  }
}

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

@media (min-width: 1024px) {
  .page-faq .faq-next__links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-next {
    padding: 40px 0 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__item,
  .page-faq .qa__q,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .faq-next__links a,
  .page-faq .qa__answer a {
    transition: none;
  }
}