.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-line: 1px solid var(--line);
  --faq-hair: 1px solid var(--hair-soft);
}

.page-faq .xpj-crumb {
  padding-block: 20px 4px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-faq .xpj-crumb a {
  color: var(--slate);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease);
}

.page-faq .xpj-crumb a:hover {
  color: var(--gold-hi);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  padding-block: clamp(24px, 4vw, 52px) clamp(30px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(201, 162, 77, .10) 0%, rgba(10, 12, 16, 0) 58%),
    var(--obsidian);
}

.page-faq .faq-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-intro__title {
  margin: 14px 0 0;
  line-height: 1.12;
}

.page-faq .faq-intro__titlegold {
  color: var(--gold);
}

.page-faq .faq-intro__lead {
  margin-top: 22px;
  max-width: 62ch;
  color: var(--mist);
}

.page-faq .faq-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-intro__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 1px;
  background: var(--line);
  border-top: var(--faq-hair);
}

.page-faq .faq-intro__fact {
  padding: 14px 12px;
  background: var(--obsidian);
}

.page-faq .faq-intro__fact dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-faq .faq-intro__fact dd {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: .06em;
  color: var(--gold-hi);
}

.page-faq .faq-intro__mapcol {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .faq-intro__figure {
  margin: 0;
}

.page-faq .faq-intro__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(.85) brightness(.95);
}

.page-faq .faq-topics {
  display: flex;
  flex-direction: column;
  border-top: var(--faq-hair);
}

.page-faq .faq-topic {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 13px 4px;
  border-bottom: var(--faq-line);
  color: var(--mist);
  text-decoration: none;
  position: relative;
  transition: color var(--dur-base) var(--ease);
}

.page-faq .faq-topic::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--dur-base) var(--ease);
  transform: translateY(-50%);
}

.page-faq .faq-topic:hover {
  color: var(--gold-hi);
}

.page-faq .faq-topic:hover::before {
  width: 22px;
}

.page-faq .faq-topic:hover .faq-topic__label {
  padding-left: 30px;
}

.page-faq .faq-topic__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-topic__label {
  font-size: 15px;
  transition: padding-left var(--dur-base) var(--ease);
}

.page-faq .faq-topic__count {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filterbar {
  border-top: var(--faq-hair);
  border-bottom: var(--faq-line);
  background: var(--panel);
}

.page-faq .faq-filterbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-block: 14px;
}

.page-faq .faq-filterbar__label {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-faq .faq-filterbar__input {
  flex: 1 1 220px;
  min-width: 0;
  padding: 9px 12px;
  background: var(--obsidian);
  border: var(--faq-line);
  color: var(--mist);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: .02em;
  border-radius: 0;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-faq .faq-filterbar__input::placeholder {
  color: var(--slate);
}

.page-faq .faq-filterbar__input:focus {
  outline: none;
  border-color: var(--gold);
}

.page-faq .faq-filterbar__hint {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-block: clamp(24px, 4vw, 48px) clamp(40px, 6vw, 80px);
}

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

.page-faq .faq-body__aside {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-block: clamp(28px, 4vw, 44px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  margin-bottom: 22px;
}

.page-faq .faq-group__note {
  max-width: 66ch;
  color: var(--slate);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-top: var(--faq-hair);
}

.page-faq .faq-item.xpj-panel {
  border: 0;
  border-bottom: var(--faq-line);
  border-left: 2px solid transparent;
  background: transparent;
  border-radius: 0;
  transition: border-color var(--dur-base) var(--ease), background-color var(--dur-base) var(--ease);
}

.page-faq .faq-item.xpj-panel:hover {
  border-left-color: var(--hair);
  background: rgba(20, 24, 31, .6);
}

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

.page-faq .faq-item .xpj-panel__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item .xpj-panel__num {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-item .xpj-panel__title {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--mist);
  letter-spacing: .02em;
}

.page-faq .faq-item[open] .xpj-panel__title {
  color: var(--gold-hi);
}

.page-faq .faq-item .xpj-panel__sign {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  position: relative;
  margin-top: 6px;
}

.page-faq .faq-item .xpj-panel__sign::before,
.page-faq .faq-item .xpj-panel__sign::after {
  content: "";
  position: absolute;
  background: var(--slate);
  transition: transform var(--dur-panel) var(--ease), background-color var(--dur-base) var(--ease);
}

.page-faq .faq-item .xpj-panel__sign::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 1px;
}

.page-faq .faq-item .xpj-panel__sign::after {
  left: 5px;
  top: 0;
  width: 1px;
  height: 12px;
}

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

.page-faq .faq-item[open] .xpj-panel__sign::before {
  background: var(--gold);
}

.page-faq .faq-item .xpj-panel__body {
  padding: 0 14px 20px 46px;
  color: var(--mist);
}

.page-faq .faq-item .xpj-panel__body p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-item .xpj-panel__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item .xpj-panel__body a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  transition: border-color var(--dur-base) var(--ease);
}

.page-faq .faq-item .xpj-panel__body a:hover {
  border-bottom-color: var(--gold);
}

.page-faq .faq-item__kicker {
  padding-left: 12px;
  border-left: 2px solid var(--jade);
  color: var(--slate) !important;
  font-size: 14px !important;
}

/* ---------- 步骤与流程图 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: var(--faq-hair);
}

.page-faq .faq-steps li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: var(--faq-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-steps__n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .08em;
  padding-top: 3px;
}

.page-faq .faq-flow {
  width: 100%;
  height: auto;
  margin-top: 20px;
  padding: 16px 8px;
  background: var(--iron);
  border: var(--faq-line);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
}

.page-faq .faq-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(.85) brightness(.95);
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate);
}

/* ---------- 设备对照 ---------- */
.page-faq .faq-devices {
  margin-bottom: 24px;
  overflow-x: auto;
}

.page-faq .faq-devtable {
  width: 100%;
  min-width: 560px;
}

.page-faq .faq-devtable__cap {
  text-align: left;
  padding-bottom: 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

/* ---------- 提交步骤 ---------- */
.page-faq .faq-submitsteps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: var(--faq-hair);
  border-bottom: var(--faq-hair);
}

.page-faq .faq-submitsteps__item {
  background: var(--obsidian);
  padding: 18px 16px;
  border-left: 2px solid transparent;
  transition: border-color var(--dur-base) var(--ease), background-color var(--dur-base) var(--ease);
}

.page-faq .faq-submitsteps__item:hover {
  border-left-color: var(--gold);
  background: var(--panel);
}

.page-faq .faq-submitsteps__n {
  font-family: var(--mono);
  font-size: 22px;
  letter-spacing: .06em;
  color: var(--gold);
  display: block;
}

.page-faq .faq-submitsteps__item .xpj-h4 {
  margin: 8px 0 6px;
}

.page-faq .faq-submitsteps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 联系方式块 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: var(--faq-hair);
}

.page-faq .faq-contact__col {
  background: var(--panel);
  padding: 18px 16px;
}

.page-faq .faq-contact__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-faq .faq-contact__value {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--gold-hi);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 交叉跳转 ---------- */
.page-faq .faq-crosslink {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  padding: 16px 18px;
  background: var(--iron);
  border: var(--faq-hair);
}

.page-faq .faq-crosslink__text {
  margin: 0;
  flex: 1 1 320px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

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

/* ---------- 空结果 ---------- */
.page-faq .faq-empty {
  margin: 0 0 20px;
  padding: 18px;
  border: 1px dashed var(--hair-soft);
  color: var(--slate);
  font-size: 14px;
}

.page-faq .faq-empty[hidden] {
  display: none;
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-toc {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 18px 16px;
  background: var(--panel);
  border: var(--faq-line);
  border-top: var(--faq-hair);
}

.page-faq .faq-toc .xpj-eyebrow {
  margin-bottom: 10px;
}

.page-faq .faq-toc__link {
  display: block;
  padding: 9px 0 9px 10px;
  font-size: 14px;
  color: var(--slate);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), padding-left var(--dur-base) var(--ease);
}

.page-faq .faq-toc__link:hover {
  color: var(--gold-hi);
  border-left-color: var(--hair);
  padding-left: 14px;
}

.page-faq .faq-toc__link[aria-current="true"] {
  color: var(--gold);
  border-left-color: var(--gold);
  padding-left: 14px;
}

.page-faq .faq-statuscard {
  padding: 18px 16px;
  background: var(--obsidian);
  border: var(--faq-line);
  border-top: var(--faq-hair);
}

.page-faq .faq-statuscard__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-faq .faq-statuscard .xpj-status {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-statuscard__warn .xpj-status__dot {
  background: var(--signal);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-intro__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

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

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

  .page-faq .faq-item .xpj-panel__head {
    padding: 18px 18px;
  }

  .page-faq .faq-item .xpj-panel__body {
    padding: 0 18px 22px 62px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

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

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

  .page-faq .faq-submitsteps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-topic,
  .page-faq .faq-topic::before,
  .page-faq .faq-topic__label,
  .page-faq .faq-toc__link,
  .page-faq .faq-item.xpj-panel,
  .page-faq .faq-submitsteps__item,
  .page-faq .faq-item .xpj-panel__sign::before,
  .page-faq .faq-item .xpj-panel__sign::after {
    transition: none;
  }
}