.page-faq {
  --faq-rule: 2px solid var(--line);
  --faq-pad: 18px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--ff-body);
  padding-bottom: 64px;
  overflow-x: hidden;
}

.page-faq .faq-crumbs {
  padding-top: 22px;
  padding-bottom: 6px;
}

.page-faq .faq-label {
  margin: 0 0 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.12s ease, border-color 0.12s ease;
}

.page-faq a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 18px;
  padding-bottom: 38px;
  border-bottom: var(--faq-rule);
}

.page-faq .faq-hero__text h1 {
  margin: 0 0 18px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(34px, 7.2vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-hero__fig {
  margin: 0;
  border: var(--faq-rule);
  box-shadow: var(--shadow-sm);
}

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

.page-faq .media-caption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 34px;
}

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

.page-faq .faq-topics li {
  flex: 0 0 auto;
}

.page-faq .faq-topics a {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  border: var(--faq-rule);
  border-radius: 0;
  background: var(--ink-2);
  letter-spacing: 0.02em;
}

.page-faq .faq-topics a:hover {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
}

.page-faq .faq-qa {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 36px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: var(--faq-rule);
}

.page-faq .faq-group__num {
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 0.08em;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-item {
  border: var(--faq-rule);
  border-left: 4px solid var(--line);
  background: var(--ink-2);
  margin-bottom: 10px;
  transition: border-color 0.14s ease, background-color 0.14s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--lime);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px var(--faq-pad);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--ff-mono);
  font-size: 18px;
  line-height: 1.3;
  color: var(--lime);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-item__body {
  padding: 0 var(--faq-pad) 16px;
  border-top: 1px solid var(--line);
  margin-top: 0;
}

.page-faq .faq-item__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 时间速查 ---------- */
.page-faq .faq-timing {
  border: var(--faq-rule);
  background: var(--ink-2);
  padding: 18px;
}

.page-faq .faq-timing h2 {
  font-size: 12px;
  margin: 0 0 12px;
}

.page-faq .faq-timing table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.page-faq .faq-timing thead th {
  padding: 0 0 8px;
  text-align: left;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-timing tbody th {
  padding: 10px 8px 10px 0;
  text-align: left;
  font-weight: 500;
  color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-timing tbody td {
  padding: 10px 0;
  text-align: right;
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--lime);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .faq-timing tbody tr:hover th,
.page-faq .faq-timing tbody tr:hover td {
  background: rgba(198, 255, 61, 0.08);
}

.page-faq .faq-note {
  margin: 14px 0 10px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-timing .faq-inline-link {
  display: inline-block;
  font-size: 13px;
  border-bottom: 1px solid var(--lime);
}

/* ---------- 字段说明 ---------- */
.page-faq .faq-fields {
  margin-top: 46px;
  padding-top: 34px;
  border-top: var(--faq-rule);
}

.page-faq .faq-fields__head h2 {
  margin: 0 0 12px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-faq .faq-fields__lede {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-fields__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-faq .faq-field-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .field-row__name {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .field-row__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-fields__fig {
  margin: 0;
  border: var(--faq-rule);
  background: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

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

.page-faq .faq-fields__foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-help {
  margin-top: 48px;
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 24px 20px;
  background: var(--ink-2);
  border: 2px solid var(--lime);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-help__text h2 {
  margin: 0 0 10px;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-faq .faq-help__text p {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-help__actions .btn {
  border-bottom: none;
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .field-row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-faq .faq-help__inner {
    padding: 30px 28px;
    box-shadow: var(--shadow);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 34px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 190px minmax(0, 1fr) 276px;
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-topics,
  .page-faq .faq-timing {
    position: sticky;
    top: 22px;
  }

  .page-faq .faq-topics ul {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-topics a {
    padding: 8px 10px;
    border-left: 4px solid var(--line);
  }

  .page-faq .faq-fields__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

.page-faq {
  --faq-rule: 2px solid var(--line);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
  padding-bottom: 64px;
}

.page-faq .faq-crumbs {
  padding-top: 24px;
  padding-bottom: 8px;
}

.page-faq .faq-label {
  margin: 0 0 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.12s ease, border-color 0.12s ease;
}

.page-faq a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 18px;
  padding-bottom: 36px;
  border-bottom: var(--faq-rule);
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 68px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 52ch;
}

.page-faq .faq-hero__fig {
  margin: 0;
  border: var(--faq-rule);
  box-shadow: var(--shadow-sm);
  background: var(--ink-2);
}

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

.page-faq .media-caption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

/* ===== 问答主体 ===== */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 34px;
}

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

.page-faq .faq-topics a {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  background: var(--ink-2);
  border: var(--faq-rule);
  letter-spacing: 0.02em;
}

.page-faq .faq-topics a:hover {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
}

.page-faq .faq-qa {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 34px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: var(--faq-rule);
  scroll-margin-top: 24px;
}

.page-faq .faq-group {
  scroll-margin-top: 24px;
}

.page-faq .faq-group__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 25px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-item {
  background: var(--ink-2);
  border: var(--faq-rule);
  border-left: 4px solid var(--line);
  margin-bottom: 10px;
  transition: border-color 0.14s ease, background-color 0.14s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--lime);
  background: #142A20;
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--ff-mono);
  font-size: 18px;
  line-height: 1.35;
  color: var(--lime);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-item__body {
  margin: 0 16px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ===== 时间速查 ===== */
.page-faq .faq-timing {
  border: var(--faq-rule);
  background: var(--ink-2);
  padding: 18px 16px;
}

.page-faq .faq-timing h2 {
  font-size: 11px;
  margin: 0 0 12px;
}

.page-faq .faq-timing table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.page-faq .faq-timing thead th {
  padding: 0 0 8px;
  text-align: left;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-timing thead th:last-child {
  text-align: right;
}

.page-faq .faq-timing tbody th {
  padding: 10px 8px 10px 0;
  text-align: left;
  font-weight: 500;
  color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-timing tbody td {
  padding: 10px 0;
  text-align: right;
  font-size: 13px;
  color: var(--lime);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-timing tbody tr:hover th,
.page-faq .faq-timing tbody tr:hover td {
  background: rgba(198, 255, 61, 0.08);
}

.page-faq .faq-note {
  margin: 14px 0 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-inline-link {
  display: inline-block;
  font-size: 13px;
  color: var(--paper);
  border-bottom: 1px solid var(--lime);
}

/* ===== 字段说明 ===== */
.page-faq .faq-fields {
  margin-top: 46px;
  padding-top: 34px;
  border-top: var(--faq-rule);
}

.page-faq .faq-fields__head h2 {
  margin: 0 0 12px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(27px, 5vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-faq .faq-fields__lede {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-fields__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-faq .faq-field-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .field-row__name {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .field-row__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-fields__fig {
  margin: 0;
  border: var(--faq-rule);
  background: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-fields__foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ===== 仍未解决 ===== */
.page-faq .faq-help {
  margin-top: 48px;
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 24px 20px;
  background: var(--ink-2);
  border: 2px solid var(--lime);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-help__text h2 {
  margin: 0 0 10px;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(23px, 4.4vw, 32px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-faq .faq-help__text p {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-help__actions .btn {
  border-bottom: none;
}

/* ===== 断点 ===== */
@media (min-width: 620px) {
  .page-faq .field-row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-faq .faq-item > summary {
    padding: 16px 20px;
  }

  .page-faq .faq-item__body {
    margin: 0 20px 18px;
  }

  .page-faq .faq-help__inner {
    padding: 30px 28px;
    box-shadow: var(--shadow);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 36px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 186px minmax(0, 1fr) 274px;
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-topics,
  .page-faq .faq-timing {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-topics ul {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-topics a {
    padding: 9px 11px;
    border-left: 4px solid var(--line);
  }

  .page-faq .faq-fields__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq a,
  .page-faq .faq-item,
  .page-faq .faq-timing tbody tr:hover th,
  .page-faq .faq-timing tbody tr:hover td {
    transition: none;
  }
}