.page-faq {
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-hero {
  padding: 18px 0 4px;
}

/* 首屏规则高亮块 */
.page-faq .rule-card {
  position: relative;
  margin: 16px 0 0;
  padding: 52px 18px 22px;
  display: grid;
  gap: 22px;
  background: var(--paper);
  color: var(--paper-ink);
  border: 1px solid var(--paper-edge);
  border-left: 6px solid var(--orange);
}

.page-faq .rule-card__tag {
  position: absolute;
  top: 0;
  right: 0;
  padding: 7px 12px;
  background: var(--indigo);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .rule-card__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--wine);
}

.page-faq .rule-card h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 6vw, 44px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
}

.page-faq .rule-card__lede {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(10, 26, 40, 0.78);
}

.page-faq .rule-rows {
  margin: 0;
  border-top: 1px solid rgba(10, 26, 40, 0.14);
}

.page-faq .rule-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(10, 26, 40, 0.14);
}

.page-faq .rule-row dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--wine);
}

.page-faq .rule-row dd {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .rule-card__note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--wine);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(10, 26, 40, 0.72);
}

.page-faq .rule-card__media {
  margin: 0;
}

.page-faq .rule-card__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--paper-edge);
  object-fit: cover;
}

/* 章节通用 */
.page-faq .faq-section {
  padding: 40px 0 6px;
}

.page-faq .faq-section--last {
  padding: 44px 0 56px;
}

.page-faq .faq-h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(23px, 4.6vw, 36px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

/* 版本分段切换 */
.page-faq .vtabs {
  position: relative;
  margin-top: 4px;
}

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

.page-faq .vtabs__labels {
  display: flex;
  gap: 4px;
  padding: 5px;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow-x: auto;
}

.page-faq .vtabs__labels label {
  flex: 1 0 auto;
  padding: 11px 14px;
  text-align: center;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  color: var(--mist);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .vtabs__labels label:hover {
  color: var(--paper);
  background: var(--card);
}

.page-faq #faq-ver-1:checked ~ .vtabs__labels label[for="faq-ver-1"],
.page-faq #faq-ver-2:checked ~ .vtabs__labels label[for="faq-ver-2"],
.page-faq #faq-ver-3:checked ~ .vtabs__labels label[for="faq-ver-3"] {
  background: var(--cyan);
  color: var(--ink);
  border-bottom-color: var(--orange);
}

.page-faq .vtabs__input:focus-visible ~ .vtabs__labels {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .vtabs__panels {
  margin-top: 16px;
}

.page-faq .vpanel {
  display: none;
}

.page-faq #faq-ver-1:checked ~ .vtabs__panels #vp-1,
.page-faq #faq-ver-2:checked ~ .vtabs__panels #vp-2,
.page-faq #faq-ver-3:checked ~ .vtabs__panels #vp-3 {
  display: block;
  animation: faq-panel-in var(--dur) var(--ease);
}

@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .vtable {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 15px;
}

.page-faq .vtable caption {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .vtable th,
.page-faq .vtable td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-faq .vtable thead th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .vtable tbody td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: nowrap;
  color: var(--cyan);
}

.page-faq .vtable tbody tr:last-child th,
.page-faq .vtable tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .vtable tr.is-changed td {
  background: rgba(255, 122, 47, 0.12);
}

.page-faq .vtable tr.is-changed td:first-child {
  color: var(--orange);
}

/* 场景自查 */
.page-faq .scen-grid {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .scen {
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .scen[open] {
  border-color: var(--cyan);
}

.page-faq .scen__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .scen__num {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .scen__title {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-faq .scen__steps {
  margin: 0;
  padding: 0 14px 16px;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .scen__steps li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .scen__step-n {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .scen__steps a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 问答 */
.page-faq .qa-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
}

.page-faq .qa-jump__link {
  display: inline-block;
  padding: 9px 12px;
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .qa-groups {
  display: grid;
  gap: 32px;
  margin-top: 4px;
}

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

.page-faq .qa-group__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-faq .qa-group__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-faq .qa-group__name {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .qa-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-faq .qa-group__media {
  margin: 14px 0 0;
}

.page-faq .qa-group__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-item__q {
  position: relative;
  display: block;
  padding: 15px 34px 15px 22px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .qa-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa-item__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--mist);
}

.page-faq .qa-item__q:focus-visible,
.page-faq .scen__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa-item[open] .qa-item__q {
  color: var(--cyan);
}

.page-faq .qa-item[open] .qa-item__q::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 210, 0.16);
}

.page-faq .qa-item[open] .qa-item__q::after {
  content: "−";
  color: var(--cyan);
}

.page-faq .qa-item__a {
  padding: 0 24px 16px 22px;
}

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

.page-faq .qa-item__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 求助区块 */
.page-faq .help-block {
  display: grid;
  gap: 22px;
  padding: 22px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 6px solid var(--indigo);
}

.page-faq .help-block__main {
  min-width: 0;
}

.page-faq .help-block__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .help-block__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .help-block .btn {
  margin-top: 4px;
}

.page-faq .help-block__contact {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .help-block__contact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .help-block__contact dd {
  margin: 3px 0 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-faq .faq-section {
    padding-top: 52px;
  }

  .page-faq .scen-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .rule-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 26px;
  }

  .page-faq .rule-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 34px;
    padding: 44px 32px 32px 34px;
  }

  .page-faq .rule-card__media img {
    height: 100%;
    max-height: 460px;
  }
}

@media (min-width: 1024px) {
  .page-faq .qa-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 44px;
  }

  .page-faq .help-block {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
    padding: 30px 28px;
  }
}

/* 窄屏：版本对照表改为堆叠阅读 */
@media (max-width: 719px) {
  .page-faq .vtable,
  .page-faq .vtable caption,
  .page-faq .vtable tbody,
  .page-faq .vtable tr,
  .page-faq .vtable td {
    display: block;
    width: auto;
  }

  .page-faq .vtable thead {
    display: none;
  }

  .page-faq .vtable tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .page-faq .vtable tr:last-child {
    border-bottom: 0;
  }

  .page-faq .vtable td {
    padding: 3px 14px;
    border: 0;
  }

  .page-faq .vtable tbody td:first-child {
    white-space: normal;
    padding-top: 0;
  }

  .page-faq .vtable tbody td:last-child {
    font-size: 14px;
    color: var(--mist);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .vpanel {
    animation: none;
  }

  .page-faq .scen,
  .page-faq .vtabs__labels label,
  .page-faq .qa-item__q::before,
  .page-faq .qa-jump__link {
    transition: none;
  }
}