.page-faq {
  --faq-glow-v: rgba(123, 97, 255, .22);
  --faq-glow-c: rgba(53, 230, 216, .16);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: var(--sp-4);
  padding: clamp(1.6rem, 5vw, 3.2rem) clamp(1.1rem, 4vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background-color: var(--panel);
  background-image:
    radial-gradient(62% 130% at 6% 0%, var(--faq-glow-v), transparent 68%),
    radial-gradient(54% 120% at 94% 8%, var(--faq-glow-c), transparent 72%);
  display: grid;
  gap: var(--sp-3);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-size: clamp(1.9rem, 7vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.025em;
  font-weight: 700;
  max-width: 17ch;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 46rem;
  color: var(--muted);
  font-size: clamp(.94rem, 1.5vw, 1.04rem);
  line-height: 1.9;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-4);
  font-size: .88rem;
  color: var(--muted);
}

.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .35rem .85rem .35rem .5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(10, 15, 44, .55);
}

.page-faq .faq-hero__facts .num {
  font-size: 1.5em;
}

/* ---------- 胶囊锚点条 ---------- */
.page-faq .faq-anchorbar {
  margin: var(--sp-4) 0 0;
}

.page-faq .faq-anchorbar__list {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--sp-1);
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-anchor {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: .55rem 1.05rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
  font-size: .88rem;
  transition: border-color .25s ease, color .25s ease, background-color .25s ease;
}

.page-faq .faq-anchor:hover,
.page-faq .faq-anchor:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 230, 216, .07);
}

/* ---------- 两条主路径 ---------- */
.page-faq .faq-paths .section__head,
.page-faq .faq-qa .section__head,
.page-faq .faq-check .section__head,
.page-faq .faq-fields .section__head,
.page-faq .faq-mail .section__head {
  max-width: 56rem;
}

.page-faq .faq-paths__lede,
.page-faq .faq-qa__lede,
.page-faq .faq-check__lede,
.page-faq .faq-fields__lede,
.page-faq .faq-mail__lede {
  color: var(--muted);
  line-height: 1.9;
  font-size: .95rem;
  margin: var(--sp-2) 0 0;
  max-width: 48rem;
}

.page-faq .path-layout {
  margin-top: var(--sp-4);
  display: grid;
  gap: var(--sp-4);
}

.page-faq .path-visual {
  margin: 0;
}

.page-faq .path-steps {
  display: grid;
  gap: var(--sp-3);
}

.page-faq .path-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  padding: var(--sp-4);
  display: grid;
  gap: var(--sp-3);
}

.page-faq .path-card--swap {
  box-shadow: inset 0 0 0 1px rgba(91, 231, 169, .08);
}

.page-faq .path-card--log {
  box-shadow: inset 0 0 0 1px rgba(53, 230, 216, .08);
}

.page-faq .path-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}

.page-faq .path-card__title {
  margin: 0;
  font-size: clamp(1.08rem, 2.6vw, 1.28rem);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-faq .path-card__pre {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.85;
  padding-left: var(--sp-3);
  border-left: 2px solid var(--line);
}

.page-faq .path-card__pre a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 216, .35);
}

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

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-faq .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: var(--sp-3);
  align-items: start;
}

.page-faq .steps__no {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: var(--r-pill);
  border: 1px solid rgba(91, 231, 169, .45);
  background: rgba(91, 231, 169, .14);
  color: var(--mint);
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .02em;
}

.page-faq .steps__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: .95rem;
  top: 2.05rem;
  bottom: -.9rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(91, 231, 169, .55), rgba(91, 231, 169, 0));
}

.page-faq .path-card--log .steps__no {
  border-color: rgba(53, 230, 216, .45);
  background: rgba(53, 230, 216, .14);
  color: var(--cyan);
}

.page-faq .path-card--log .steps__item:not(:last-child)::after {
  background: linear-gradient(180deg, rgba(53, 230, 216, .55), rgba(53, 230, 216, 0));
}

.page-faq .steps__body {
  display: grid;
  gap: .32rem;
}

.page-faq .steps__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .steps__desc {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.85;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-toolbar {
  margin-top: var(--sp-4);
  display: grid;
  gap: var(--sp-2);
}

.page-faq .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-faq .filter-status {
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
  font-family: var(--mono);
  letter-spacing: .02em;
}

.page-faq .faq-groups {
  margin-top: var(--sp-4);
}

.page-faq .faq-group + .faq-group {
  margin-top: var(--sp-5);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin: 0 0 var(--sp-3);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-faq .faq-group__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .25s ease, background-color .25s ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: var(--sp-2);
}

.page-faq .faq-item[open] {
  border-color: rgba(53, 230, 216, .42);
  background: rgba(20, 26, 63, .92);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--sp-3);
  align-items: center;
  padding: var(--sp-3) var(--sp-4);
  font-size: .97rem;
  font-weight: 600;
  line-height: 1.65;
  transition: color .25s 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(--cyan);
}

.page-faq .faq-item__dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(91, 231, 169, .12);
}

.page-faq .faq-item__sign {
  position: relative;
  width: .85rem;
  height: .85rem;
}

.page-faq .faq-item__sign::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(50% - 1px);
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(50% - 1px);
  width: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform .25s ease, opacity .25s ease;
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--line);
  margin-top: 0;
  padding-top: var(--sp-3);
  display: grid;
  gap: var(--sp-2);
  font-size: .92rem;
  line-height: 1.9;
  color: var(--text);
}

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

.page-faq .faq-item__basis {
  color: var(--muted);
  font-size: .88rem;
}

.page-faq .faq-item__tag {
  display: inline-block;
  margin-right: .5rem;
  padding: .1rem .5rem;
  border-radius: var(--r-pill);
  background: rgba(53, 230, 216, .14);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  vertical-align: 1px;
}

.page-faq .faq-item__tag--muted {
  background: rgba(154, 163, 199, .16);
  color: var(--muted);
}

/* ---------- 五步自查 ---------- */
.page-faq .checklist {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .checklist > li {
  background: var(--panel);
}

.page-faq .check-card {
  position: relative;
  display: grid;
  gap: var(--sp-2);
  align-content: start;
  min-height: 100%;
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  transition: background-color .25s ease;
}

.page-faq .check-card:hover {
  background: rgba(53, 230, 216, .05);
}

.page-faq .check-card__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .check-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
}

.page-faq .check-card__no {
  font-family: var(--mono);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
  transition: color .25s ease;
}

.page-faq .check-card__tick {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  transition: border-color .25s ease, background-color .25s ease;
}

.page-faq .check-card__tick::after {
  content: "";
  width: .34rem;
  height: .58rem;
  border-right: 2px solid var(--bg);
  border-bottom: 2px solid var(--bg);
  transform: rotate(42deg) translate(-1px, -2px) scale(.4);
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
}

.page-faq .check-card__input:checked ~ .check-card__top .check-card__tick {
  background: var(--mint);
  border-color: var(--mint);
}

.page-faq .check-card__input:checked ~ .check-card__top .check-card__tick::after {
  opacity: 1;
  transform: rotate(42deg) translate(-1px, -2px) scale(1);
}

.page-faq .check-card__input:checked ~ .check-card__top .check-card__no {
  color: var(--mint);
}

.page-faq .check-card__input:focus-visible ~ .check-card__top .check-card__tick {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .check-card__name {
  display: block;
  font-size: .96rem;
  font-weight: 600;
}

.page-faq .check-card__desc {
  display: block;
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.8;
}

.page-faq .check-card__input:checked ~ .check-card__desc {
  color: rgba(231, 234, 246, .78);
}

/* ---------- 字段说明 ---------- */
.page-faq .fields-visual {
  margin: var(--sp-4) 0 0;
}

.page-faq .field-table-wrap {
  margin-top: var(--sp-4);
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-faq .field-table-wrap .data-table {
  min-width: 40rem;
}

.page-faq .field-table-wrap .data-table th[scope="row"] {
  font-family: var(--mono);
  font-size: .88rem;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .faq-fields__note {
  margin: var(--sp-3) 0 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.85;
  max-width: 52rem;
}

.page-faq .faq-fields__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 216, .35);
}

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

/* ---------- 来信前准备 ---------- */
.page-faq .mail-layout {
  margin-top: var(--sp-4);
  display: grid;
  gap: var(--sp-4);
}

.page-faq .mail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  counter-reset: mail;
}

.page-faq .mail-list__item {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: var(--sp-3);
  align-items: baseline;
  padding: var(--sp-3) 0;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .mail-list__item::before {
  counter-increment: mail;
  content: counter(mail, decimal-leading-zero);
  font-family: var(--mono);
  font-size: .95rem;
  color: var(--mint);
  letter-spacing: .04em;
}

.page-faq .mail-list__name {
  display: block;
  font-size: .96rem;
  font-weight: 600;
  margin-bottom: .2rem;
}

.page-faq .mail-list__desc {
  display: block;
  color: var(--muted);
  font-size: .87rem;
  line-height: 1.8;
}

.page-faq .mail-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  background-image: radial-gradient(80% 120% at 100% 0%, rgba(123, 97, 255, .18), transparent 70%);
  padding: var(--sp-4);
  display: grid;
  gap: var(--sp-2);
  align-content: start;
}

.page-faq .mail-panel__title {
  margin: 0 0 var(--sp-2);
  font-size: 1.06rem;
  font-weight: 700;
}

.page-faq .mail-panel__row {
  margin: 0;
  display: grid;
  gap: .15rem;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--line);
}

.page-faq .mail-panel__key {
  color: var(--muted);
  font-size: .78rem;
  letter-spacing: .1em;
}

.page-faq .mail-panel__val {
  font-family: var(--mono);
  font-size: .88rem;
  color: var(--text);
  word-break: break-word;
}

.page-faq .mail-panel__note {
  margin: var(--sp-2) 0 0;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.8;
}

.page-faq .mail-panel__note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 231, 169, .4);
}

.page-faq .mail-panel__note a:hover,
.page-faq .mail-panel__note a:focus-visible {
  border-bottom-color: var(--mint);
}

.page-faq .mail-more {
  margin-top: var(--sp-4);
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(10, 15, 44, .5);
}

.page-faq .mail-more__text {
  margin: 0 0 var(--sp-2);
  color: var(--muted);
  font-size: .88rem;
}

.page-faq .mail-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-faq .mail-more__list a {
  display: inline-block;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  font-size: .9rem;
  transition: color .25s ease, border-color .25s ease;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-faq .chip-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: var(--sp-1);
    scrollbar-width: thin;
  }

  .page-faq .chip-row .chip {
    flex: 0 0 auto;
  }

  .page-faq .faq-item summary {
    padding: var(--sp-3);
    gap: var(--sp-2);
  }

  .page-faq .faq-item__body {
    padding-left: var(--sp-3);
    padding-right: var(--sp-3);
  }

  .page-faq .check-card {
    padding: var(--sp-3);
  }
}

@media (min-width: 780px) {
  .page-faq .checklist {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-faq .path-layout {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-faq .path-visual {
    position: sticky;
    top: 7rem;
  }

  .page-faq .mail-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__sign::after,
  .page-faq .check-card,
  .page-faq .check-card__tick,
  .page-faq .check-card__tick::after,
  .page-faq .faq-anchor,
  .page-faq .mail-more__list a {
    transition: none;
  }
}