.page-faq {
  --faq-line: rgba(31, 85, 70, 0.85);
  --faq-line-soft: rgba(31, 85, 70, 0.5);
  --faq-surface: rgba(14, 42, 39, 0.62);
  --faq-surface-2: rgba(20, 58, 49, 0.58);
  --faq-text: rgba(233, 242, 239, 0.84);
  display: block;
  padding: 0 0 88px;
  color: var(--c-fog);
  background-image:
    radial-gradient(120% 55% at 84% -8%, rgba(63, 224, 200, 0.08), transparent 62%),
    radial-gradient(90% 45% at -12% 44%, rgba(255, 122, 52, 0.05), transparent 60%);
  background-repeat: no-repeat;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.page-faq .faq-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'zero' 1;
  margin-inline: 0.12em;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 30px 0 0;
  font-size: 13px;
  color: var(--c-moss);
}

.page-faq .faq-crumb a {
  color: var(--c-moss);
  text-decoration: none;
  transition: color var(--t-hover) var(--ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--c-cyan);
}

.page-faq .faq-crumb__sep {
  color: var(--c-line);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 40px 0 46px;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-faq .faq-hero__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--c-cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 8vw, 4.4rem);
  line-height: 0.99;
  letter-spacing: -0.01em;
  max-width: 19ch;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--faq-text);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: rgba(20, 58, 49, 0.42);
  font-size: 13px;
  line-height: 1.4;
  color: rgba(233, 242, 239, 0.78);
}

.page-faq .faq-chip--accent {
  border-color: rgba(63, 224, 200, 0.45);
  background: rgba(63, 224, 200, 0.07);
  color: var(--c-cyan);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 34px;
  padding-top: 40px;
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-moss);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 10px;
  margin: 0;
  list-style: none;
  scrollbar-width: thin;
}

.page-faq .faq-toc__link {
  flex: 0 0 auto;
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--c-moss);
  text-decoration: none;
  transition: color var(--t-hover) var(--ease), border-color var(--t-hover) var(--ease), background-color var(--t-hover) var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  outline: none;
}

.page-faq .faq-toc__link.is-active {
  color: var(--c-cyan);
  background: rgba(63, 224, 200, 0.08);
  border-color: rgba(63, 224, 200, 0.6);
}

.page-faq .faq-toc__note {
  margin: 14px 0 0;
  max-width: 30ch;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-moss);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-section {
  padding-top: 52px;
  scroll-margin-top: 96px;
}

.page-faq .faq-section:first-child {
  padding-top: 0;
}

.page-faq .faq-sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .faq-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 5vw, 2.15rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-faq .faq-badge {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border: 1px solid rgba(63, 224, 200, 0.4);
  border-radius: 999px;
  background: rgba(63, 224, 200, 0.07);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--c-cyan);
}

.page-faq .faq-ruler {
  height: 6px;
  margin: 0 0 26px;
  background-image: repeating-linear-gradient(to right, rgba(126, 147, 166, 0.45) 0 1px, transparent 1px 26px);
}

.page-faq .faq-note {
  margin: 22px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-text);
}

/* ---------- 快速上手 ---------- */
.page-faq .faq-quick {
  display: grid;
  gap: 30px;
}

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

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 30px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(to bottom, var(--faq-line), transparent);
}

.page-faq .faq-step__no {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(63, 224, 200, 0.45);
  border-radius: 50%;
  background: rgba(63, 224, 200, 0.07);
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--c-cyan);
}

.page-faq .faq-step__title {
  margin: 7px 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  line-height: 1.3;
}

.page-faq .faq-step p {
  margin: 0 0 12px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-text);
}

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

.page-faq .faq-step__link {
  font-size: 14px;
}

.page-faq .faq-step__link span {
  margin: 0 8px;
  color: var(--c-steel);
}

.page-faq .faq-step__link a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 200, 0.4);
  padding-bottom: 2px;
  transition: border-color var(--t-hover) var(--ease);
}

.page-faq .faq-step__link a:hover,
.page-faq .faq-step__link a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 图位 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(8, 22, 31, 0.5);
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 16px;
  border-top: 1px solid rgba(31, 85, 70, 0.6);
  background: rgba(8, 22, 31, 0.55);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-moss);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--r-card);
  background: var(--faq-surface);
  transition: border-color var(--t-switch) var(--ease), background-color var(--t-switch) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(63, 224, 200, 0.4);
  background: var(--faq-surface-2);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  line-height: 1.42;
  color: var(--c-fog);
  transition: color var(--t-hover) var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  color: var(--c-cyan);
  outline: none;
}

.page-faq .faq-mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  transition: border-color var(--t-hover) var(--ease);
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-moss);
  transform: translate(-50%, -50%);
  transition: opacity var(--t-switch) var(--ease), transform var(--t-switch) var(--ease), background-color var(--t-hover) var(--ease);
}

.page-faq .faq-mark::before {
  width: 10px;
  height: 1px;
}

.page-faq .faq-mark::after {
  width: 1px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-mark {
  border-color: rgba(63, 224, 200, 0.55);
}

.page-faq .faq-item[open] .faq-mark::before,
.page-faq .faq-item[open] .faq-mark::after {
  background: var(--c-cyan);
}

.page-faq .faq-item[open] .faq-mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0.2);
}

.page-faq .faq-item__body {
  padding: 0 20px 6px;
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-text);
}

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

.page-faq .faq-item__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 200, 0.4);
}

.page-faq .faq-item__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 16px 20px 20px;
  padding-top: 12px;
  border-top: 1px dashed rgba(31, 85, 70, 0.75);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--c-moss);
}

/* ---------- 阵容核对流程 ---------- */
.page-faq .faq-flow {
  display: grid;
  gap: 16px;
}

.page-faq .faq-flow__card {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-card);
  background: linear-gradient(155deg, rgba(20, 58, 49, 0.62), rgba(8, 22, 31, 0.45));
}

.page-faq .faq-flow__tag {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-warn);
}

.page-faq .faq-flow__title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.16rem;
  line-height: 1.28;
}

.page-faq .faq-flow__card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-text);
}

/* ---------- 收藏与本地存储 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 26px;
}

.page-faq .faq-limits {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-limits li {
  display: grid;
  grid-template-columns: 3.6em minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 16px;
  border: 1px solid var(--faq-line-soft);
  border-radius: 16px;
  background: rgba(20, 58, 49, 0.4);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(233, 242, 239, 0.86);
}

.page-faq .faq-limits__val {
  font-size: 16px;
  color: var(--c-cyan);
}

.page-faq .faq-limits__dash {
  display: block;
  width: 18px;
  height: 1px;
  margin-top: 0.7em;
  background: var(--c-steel);
}

/* ---------- 更新时效 ---------- */
.page-faq .faq-timeline {
  display: grid;
  gap: 14px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-timeline li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-timeline li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-timeline__k {
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-faq .faq-timeline p {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-timeline a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 200, 0.4);
}

.page-faq .faq-callout {
  padding: 22px;
  border: 1px solid rgba(255, 122, 52, 0.35);
  border-left: 3px solid var(--c-warn);
  border-radius: var(--r-card);
  background: rgba(255, 122, 52, 0.06);
}

.page-faq .faq-callout__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  line-height: 1.3;
  color: var(--c-warn-soft);
}

.page-faq .faq-callout__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-callout__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(233, 242, 239, 0.86);
}

.page-faq .faq-callout__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 7px;
  height: 1px;
  background: var(--c-warn);
}

.page-faq .faq-callout__text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-moss);
}

.page-faq .faq-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--c-fog);
  text-decoration: none;
  transition: border-color var(--t-hover) var(--ease), color var(--t-hover) var(--ease), filter var(--t-hover) var(--ease);
}

.page-faq .faq-btn:hover,
.page-faq .faq-btn:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-faq .faq-btn--solid {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-ink);
}

.page-faq .faq-btn--solid:hover,
.page-faq .faq-btn--solid:focus-visible {
  color: var(--c-ink);
  border-color: var(--c-cyan);
  filter: brightness(1.08);
}

.page-faq .faq-endnote {
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--faq-line-soft);
  max-width: 70ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-moss);
}

/* ---------- 显现动效 ---------- */
.page-faq [data-reveal] {
  animation: faq-rise var(--t-enter) var(--ease) both;
}

@keyframes faq-rise {
  from {
    opacity: 0;
    transform: translate3d(-10px, 0, 0);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-item__body {
    padding: 0 40px 6px 56px;
  }

  .page-faq .faq-item__foot {
    margin: 16px 40px 22px 56px;
  }

  .page-faq .faq-timeline li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-faq .faq-timeline__k {
    padding-top: 4px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-flow {
    grid-template-columns: 1.12fr 0.94fr 1fr;
    gap: 22px;
    align-items: stretch;
  }

  .page-faq .faq-flow__card:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -17px;
    top: 50%;
    width: 10px;
    height: 10px;
    margin-top: -5px;
    border-top: 1px solid var(--c-cyan);
    border-right: 1px solid var(--c-cyan);
    transform: rotate(45deg);
    opacity: 0.75;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-wrap {
    padding: 0 var(--pad);
  }

  .page-faq .faq-quick {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.82fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    gap: 40px;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 60px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__link {
    position: relative;
    display: block;
    padding: 10px 0 10px 18px;
    border: 0;
    border-left: 1px solid var(--faq-line);
    border-radius: 0;
    font-size: 13.5px;
    background: transparent;
  }

  .page-faq .faq-toc__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 11px;
    height: 1px;
    background: var(--c-steel);
    transition: width var(--t-switch) var(--ease), background-color var(--t-switch) var(--ease);
  }

  .page-faq .faq-toc__link:hover,
  .page-faq .faq-toc__link:focus-visible {
    color: var(--c-cyan);
    background: transparent;
  }

  .page-faq .faq-toc__link:hover::before,
  .page-faq .faq-toc__link.is-active::before {
    width: 22px;
    background: var(--c-cyan);
  }

  .page-faq .faq-toc__link.is-active {
    color: var(--c-cyan);
    border-left-color: var(--c-cyan);
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    animation-duration: 1ms;
  }

  .page-faq .faq-toc__link,
  .page-faq .faq-mark,
  .page-faq .faq-mark::before,
  .page-faq .faq-mark::after,
  .page-faq .faq-item,
  .page-faq .faq-btn {
    transition: none;
  }
}