.page-faq {
  --faq-cut: var(--cut-lg);
  --faq-line: rgba(44, 52, 112, 0.75);
  --faq-text-soft: rgba(245, 241, 230, 0.86);
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: 40px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 0;
  background: linear-gradient(180deg, #131A44 0%, var(--ink-900) 100%);
  border-bottom: 1px solid var(--ink-700);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -130px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(215, 38, 61, 0.42), rgba(215, 38, 61, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: -170px;
  left: -150px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 163, 152, 0.34), rgba(23, 163, 152, 0) 70%);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-faq .faq-hero__title {
  margin: 10px 0 16px;
  max-width: 20ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 0 0 22px;
  color: var(--faq-text-soft);
  font-size: 17px;
  line-height: 1.85;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 8px 14px;
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  clip-path: var(--cut-tr);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  color: var(--gold-500);
  background: var(--ink-700);
  border-color: var(--gold-500);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 32px;
}

.page-faq .faq-index {
  padding: 14px 0 0;
  border-top: 2px solid var(--red-600);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--gold-500);
}

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

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

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  white-space: nowrap;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-left: 3px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  background: var(--ink-700);
  border-left-color: var(--teal-600);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-500);
}

.page-faq .faq-index__stats {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  color: var(--mist);
  line-height: 1.6;
}

.page-faq .faq-stat__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold-500);
}

.page-faq .faq-stat__num small {
  font-size: 12px;
}

/* ---------- 面板与区块 ---------- */
.page-faq .faq-block {
  margin-bottom: 32px;
  scroll-margin-top: 100px;
}

.page-faq .faq-panel {
  position: relative;
  border-top: 3px solid var(--ink-700);
}

.page-faq .faq-panel--gold {
  border-top-color: var(--gold-500);
}

.page-faq .faq-panel--red {
  border-top-color: var(--red-600);
}

.page-faq .faq-block__title {
  font-family: var(--font-head);
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.page-faq .faq-panel .panel__body p {
  max-width: 68ch;
  margin: 0 0 14px;
  color: var(--faq-text-soft);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-sub {
  margin: 24px 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--paper);
  border-left: 3px solid var(--teal-600);
  padding-left: 10px;
}

.page-faq .faq-hint {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 段位九级 ---------- */
.page-faq .faq-ranks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-ranks__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  background: rgba(14, 18, 48, 0.7);
  border: 1px solid var(--ink-700);
  border-top: 2px solid var(--gold-500);
  clip-path: var(--cut-tr);
}

.page-faq .faq-ranks__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-ranks__name {
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--paper);
}

.page-faq .faq-ranks__star {
  font-size: 13px;
  color: var(--teal-300);
}

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

.page-faq .faq-lanes__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.75;
  background: rgba(26, 32, 80, 0.6);
  border: 1px solid var(--ink-700);
  box-shadow: inset 3px 0 0 var(--ink-700);
}

.page-faq .faq-lanes__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-500);
  letter-spacing: 0.04em;
}

/* ---------- 兼容清单 ---------- */
.page-faq .faq-compat {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-compat__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 12px;
  padding: 12px;
  background: rgba(26, 32, 80, 0.65);
  border: 1px solid var(--ink-700);
}

.page-faq .faq-compat__name {
  font-size: 15px;
  color: var(--paper);
}

.page-faq .faq-compat__bar {
  grid-column: 1 / -1;
  display: block;
  height: 6px;
  background: var(--ink-700);
  overflow: hidden;
}

.page-faq .faq-compat__fill {
  display: block;
  height: 100%;
  width: 96%;
  background: linear-gradient(90deg, var(--teal-600), var(--gold-500));
}

.page-faq .faq-compat__row:nth-child(3) .faq-compat__fill { width: 94%; }
.page-faq .faq-compat__row:nth-child(4) .faq-compat__fill { width: 88%; }
.page-faq .faq-compat__row:nth-child(6) .faq-compat__fill { width: 90%; }

.page-faq .faq-compat__ver {
  justify-self: end;
  font-family: var(--font-mono);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  clip-path: var(--cut-tr);
  box-shadow: inset 3px 0 0 var(--teal-600);
}

.page-faq .faq-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink-900);
  background: var(--gold-500);
  clip-path: var(--cut-sm);
}

.page-faq .faq-steps__title {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--paper);
}

.page-faq .faq-steps__item p {
  margin: 0;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 换设备两步 ---------- */
.page-faq .faq-pair {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-pair__item {
  padding: 16px 18px;
  background: linear-gradient(120deg, rgba(215, 38, 61, 0.16), rgba(26, 32, 80, 0.9) 45%);
  border: 1px solid var(--ink-700);
  clip-path: var(--cut-tr);
}

.page-faq .faq-pair__step {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red-300);
}

.page-faq .faq-pair__title {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-size: 19px;
  color: var(--paper);
}

.page-faq .faq-pair__item p {
  margin: 0;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 4px;
  padding: 10px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  clip-path: var(--cut-tr);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(242, 178, 51, 0.35);
}

.page-faq .faq-figure__cap {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 六项检查 ---------- */
.page-faq .faq-checks {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-checks li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.75;
  background: rgba(14, 18, 48, 0.66);
  border: 1px solid var(--ink-700);
}

.page-faq .faq-checks__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-500);
}

/* ---------- 折叠卡片 ---------- */
.page-faq .faq-cards {
  display: grid;
  gap: 12px;
}

.page-faq .faq-card {
  scroll-margin-top: 104px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-left: 3px solid var(--ink-700);
}

.page-faq .faq-card .disclosure__trigger {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 20px;
  gap: 2px 12px;
  width: 100%;
  padding: 16px;
  text-align: left;
  color: var(--paper);
  font: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.page-faq .faq-card__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-500);
  padding-top: 2px;
}

.page-faq .faq-card__title {
  grid-column: 2;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.5;
}

.page-faq .faq-card__summary {
  grid-column: 2;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-card .disclosure__trigger::after {
  content: "+";
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold-500);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-card .disclosure__trigger[aria-expanded="true"] {
  background: rgba(23, 163, 152, 0.08);
}

.page-faq .faq-card .disclosure__trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--teal-300);
  transform: rotate(180deg);
}

.page-faq .faq-card .disclosure__trigger:hover .faq-card__title,
.page-faq .faq-card .disclosure__trigger:focus-visible .faq-card__title {
  color: var(--gold-500);
}

.page-faq .faq-card .disclosure__body {
  padding: 0 16px 16px 74px;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-card .disclosure__body p {
  margin: 0 0 10px;
}

.page-faq .faq-sub-disclosure {
  margin-top: 22px;
  padding: 4px 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-sub-disclosure .disclosure__trigger {
  display: block;
  width: 100%;
  padding: 12px 0;
  text-align: left;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--gold-500);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.page-faq .faq-sub-disclosure .disclosure__body {
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-sub-disclosure .disclosure__body p {
  margin: 0 0 10px;
}

/* ---------- 对照表 ---------- */
.page-faq .faq-table__wrap {
  overflow-x: auto;
  border: 1px solid var(--ink-700);
  clip-path: var(--cut-tr);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-table__caption {
  padding: 12px 14px;
  text-align: left;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
  background: rgba(14, 18, 48, 0.9);
}

.page-faq .faq-table th {
  padding: 10px 14px;
  text-align: left;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--gold-500);
  white-space: nowrap;
  border-bottom: 1px solid var(--ink-700);
}

.page-faq .faq-table td {
  padding: 12px 14px;
  vertical-align: top;
  color: var(--faq-text-soft);
  line-height: 1.7;
  border-bottom: 1px solid rgba(44, 52, 112, 0.55);
}

.page-faq .faq-table tbody tr:nth-child(odd) {
  background: rgba(26, 32, 80, 0.5);
}

.page-faq .faq-table td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal-300);
}

.page-faq .faq-table td:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-500);
  white-space: nowrap;
}

/* ---------- 反馈引导 ---------- */
.page-faq .faq-need {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-need__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.75;
  background: rgba(14, 18, 48, 0.66);
  border: 1px solid var(--ink-700);
}

.page-faq .faq-need__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-100);
  background: var(--red-600);
}

.page-faq .faq-contact {
  margin: 0 0 18px;
  padding: 14px 16px;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.8;
  background: var(--gold-100);
  color: var(--ink-900);
  clip-path: var(--cut-tr);
}

.page-faq .faq-contact a {
  color: var(--ink-900);
  text-decoration: underline;
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-compat__row {
    grid-template-columns: 180px minmax(0, 1fr) auto;
  }

  .page-faq .faq-compat__bar {
    grid-column: 2;
  }

  .page-faq .faq-checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-need {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq {
    padding-bottom: 72px;
  }

  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 44px;
    padding-top: 44px;
  }

  .page-faq .faq-index {
    padding-top: 18px;
  }

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

  .page-faq .faq-index__item {
    flex: 1 1 auto;
  }

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

  .page-faq .faq-index__inner-fix,
  .page-faq .faq-index {
    align-self: start;
  }

  .page-faq .faq-index > * {
    max-width: 248px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-block {
    margin-bottom: 44px;
  }

  .page-faq .faq-cards {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-card .disclosure__body {
    padding-left: 74px;
  }

  .page-faq .faq-figure--wide img {
    aspect-ratio: 3 / 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card .disclosure__trigger::after,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-index__link {
    transition: none;
  }
}