.page-faq {
  --faq-accent-line: rgba(195, 212, 210, 0.5);
  --faq-panel-gap: 22px;
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 28px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -10% -20% auto -20%;
  height: 460px;
  background:
    radial-gradient(60% 70% at 18% 20%, rgba(169, 240, 75, 0.14), transparent 70%),
    radial-gradient(50% 60% at 82% 10%, rgba(224, 168, 60, 0.16), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  margin-bottom: 26px;
}

.page-faq .breadcrumb a {
  color: var(--ink-mid);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--gold-ink);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-faq .faq-hero__lead h1 {
  margin: 16px 0 18px;
  font-size: clamp(30px, 7.4vw, 66px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lead p {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .faq-hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--faq-accent-line);
}

.page-faq .faq-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-metric .data-num {
  font-size: 34px;
  line-height: 1;
  font-weight: 800;
}

.page-faq .faq-metric__cap {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-soft);
}

.page-faq .faq-hero__side {
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 28px 24px 26px;
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-hero__sideTitle {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-faq .faq-hero__sideText {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 自查路径 ---------- */
.page-faq .faq-path {
  padding-top: 56px;
}

.page-faq .faq-path__head {
  max-width: 46em;
  margin-bottom: 30px;
}

.page-faq .faq-path__head h2 {
  margin: 12px 0 12px;
  font-size: clamp(24px, 4.6vw, 40px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-path__head p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .faq-tree {
  position: relative;
  padding: 30px 0 8px;
}

.page-faq .faq-tree__root {
  position: relative;
  z-index: 1;
  width: max-content;
  margin: 0 auto;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-faq .faq-tree__branches {
  list-style: none;
  margin: 0;
  padding: 34px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  position: relative;
}

.page-faq .faq-tree__branches::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 24px;
  background: var(--faq-accent-line);
}

.page-faq .faq-tree__branch a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px 16px 20px;
  border-radius: var(--radius-md);
  background: var(--paper-3);
  border: 1px solid var(--faq-accent-line);
  border-left: 4px solid var(--branch-accent, var(--lime));
  text-decoration: none;
  color: var(--text);
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
}

.page-faq .faq-tree__branch a:hover,
.page-faq .faq-tree__branch a:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-panel);
  border-color: var(--branch-accent, var(--lime));
}

.page-faq .faq-tree__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--branch-accent, var(--lime));
  margin-bottom: 2px;
}

.page-faq .faq-tree__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

/* ---------- 条目主体 ---------- */
.page-faq .faq-body {
  padding-top: 60px;
}

.page-faq .faq-body__grid {
  row-gap: 40px;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
  margin-bottom: 54px;
}

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

.page-faq .faq-group__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 6px;
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 6px;
  font-size: clamp(22px, 4.2vw, 32px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
}

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

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--faq-accent-line);
  transition: background 0.32s var(--ease);
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(169, 240, 75, 0.1), rgba(169, 240, 75, 0) 46%);
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 34px 20px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 2px;
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.34s var(--ease);
}

.page-faq .faq-item[open] summary::before {
  transform: scaleY(1);
}

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold-ink);
  padding-top: 4px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.62;
  color: var(--text);
}

.page-faq .faq-item summary:hover .faq-item__q,
.page-faq .faq-item summary:focus-visible .faq-item__q {
  color: var(--ink-mid);
}

.page-faq .faq-item__chev {
  position: absolute;
  right: 8px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ink-mid);
  border-bottom: 2px solid var(--ink-mid);
  transform: rotate(45deg);
  transition: transform 0.34s var(--ease);
}

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

.page-faq .faq-item__body {
  padding: 0 22px 24px 14px;
  animation: faq-body-in 0.36s var(--ease);
}

@keyframes faq-body-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-mid);
}

/* ---------- 侧边目录 ---------- */
.page-faq .faq-nav {
  position: static;
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background: var(--paper-2);
  border-top: 3px solid var(--gold);
}

.page-faq .faq-nav .toc-nav__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-ink);
}

.page-faq .faq-nav .toc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-nav .toc-list li + li {
  border-top: 1px solid var(--faq-accent-line);
}

.page-faq .faq-nav .toc-list a {
  display: block;
  padding: 11px 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: color 0.24s var(--ease), padding-left 0.24s var(--ease);
}

.page-faq .faq-nav .toc-list a:hover,
.page-faq .faq-nav .toc-list a:focus-visible {
  color: var(--lime-ink);
  padding-left: 8px;
}

.page-faq .faq-nav__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 34px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--ink-mid);
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 1400 / 800;
}

.page-faq .faq-figure--tall img {
  aspect-ratio: 1200 / 900;
}

.page-faq .faq-figure__caption,
.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 旧版规则 ---------- */
.page-faq .faq-legacy {
  padding-top: 62px;
}

.page-faq .faq-legacy__head {
  max-width: 52em;
  margin-bottom: 28px;
}

.page-faq .faq-legacy__head h2 {
  margin: 12px 0 12px;
  font-size: clamp(24px, 4.6vw, 40px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-legacy__head p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .faq-tableWrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  background: var(--paper-3);
  border: 1px solid var(--faq-accent-line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--faq-accent-line);
}

.page-faq .faq-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.1em;
  border-bottom: none;
  white-space: nowrap;
}

.page-faq .faq-table tbody th[scope="row"] {
  font-weight: 800;
  color: var(--ink);
  background: rgba(195, 212, 210, 0.22);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--text-soft);
}

.page-faq .faq-table tbody tr:nth-child(even) td {
  background: rgba(195, 212, 210, 0.12);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .faq-table__ver {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-table__ver--mid {
  color: var(--gold-soft);
}

.page-faq .faq-table__ver--now {
  color: var(--lime);
}

.page-faq .faq-legacy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 34px;
}

.page-faq .faq-legacy__note h3 {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-legacy__note ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-legacy__note li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .faq-legacy__note li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: var(--coral);
}

.page-faq .faq-legacy__grid .faq-figure {
  margin-top: 0;
}

/* ---------- 收尾求助 ---------- */
.page-faq .faq-help {
  padding-top: 62px;
  padding-bottom: 20px;
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 34px 24px;
  border-radius: var(--radius-xl);
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-dark) 62%, var(--ink-mid) 100%);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-help__text h2 {
  margin: 12px 0 16px;
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-help__text p {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-help__list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-faq .faq-help__list > div {
  padding: 14px 0;
  border-bottom: 1px dashed rgba(195, 212, 210, 0.32);
}

.page-faq .faq-help__list > div:last-child {
  border-bottom: none;
}

.page-faq .faq-help__list dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
  margin-bottom: 6px;
}

.page-faq .faq-help__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-help__list dd a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 217, 143, 0.5);
}

.page-faq .faq-help__list dd a:hover,
.page-faq .faq-help__list dd a:focus-visible {
  color: var(--gold-soft);
}

.page-faq .faq-help__more {
  margin: 26px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .faq-help__more a {
  color: var(--ink-mid);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__more a:hover,
.page-faq .faq-help__more a:focus-visible {
  color: var(--gold-ink);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }

  .page-faq .faq-tree__branches {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    padding-top: 46px;
  }

  .page-faq .faq-tree__branches::before {
    height: 34px;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: 7fr 5fr;
    gap: 36px;
    padding: 44px 40px;
  }

  .page-faq .faq-legacy__grid {
    grid-template-columns: 6fr 6fr;
    align-items: start;
    gap: 34px;
  }

  .page-faq .faq-figure {
    margin-top: 40px;
  }

  .page-faq .faq-item__body {
    padding-left: 46px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-tree__branches {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

  .page-faq .faq-body__grid {
    column-gap: 44px;
    row-gap: 0;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-body__side {
    align-self: start;
  }

  .page-faq .faq-help__inner {
    padding: 52px 48px;
  }

  .page-faq .faq-group__no {
    font-size: 38px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tree__branch a,
  .page-faq .faq-item__chev,
  .page-faq .faq-item summary::before,
  .page-faq .faq-nav .toc-list a {
    transition: none;
  }

  .page-faq .faq-item__body {
    animation: none;
  }
}

.page-faq {
  --branch-accent: transparent;
}