.page-faq {
  --faq-surface: #141A52;
  --faq-hair: rgba(154, 163, 186, 0.32);
  --faq-gap: clamp(20px, 3vw, 34px);
  display: block;
  background: var(--ink-deep);
  color: var(--cream);
  overflow-x: clip;
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  border-bottom: var(--line) solid var(--stone);
  padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 4vw, 50px);
  background-color: var(--ink-deep);
  background-image: linear-gradient(90deg, rgba(255, 106, 31, 0.13) 1px, transparent 1px);
  background-size: 92px 100%;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__lead h1 {
  margin: 12px 0 0;
  max-width: 22ch;
  color: var(--white);
  line-height: 1.06;
}

.page-faq .faq-hero__lead .lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--haze);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: flex-start;
}

.page-faq .faq-hero__tags li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cream);
  border: 2px solid var(--stone);
  padding: 5px 10px;
  white-space: nowrap;
}

.page-faq .faq-hero__tags li:nth-child(2n) {
  border-color: var(--moss);
}

.page-faq .faq-hero__tags li:nth-child(3n) {
  border-color: var(--clay);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding: clamp(26px, 4vw, 54px) 0 clamp(40px, 6vw, 84px);
}

.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
}

/* 类别锚点 */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--stone);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-jump::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--haze);
  text-decoration: none;
  white-space: nowrap;
  padding: 6px 10px;
  border: 2px solid transparent;
  border-left: 3px solid var(--stone);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--white);
  border-left-color: var(--orange);
  outline: none;
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  margin-top: clamp(30px, 4vw, 52px);
  scroll-margin-top: 96px;
}

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

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

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--clay);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.2vw, 30px);
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--white);
}

.page-faq .faq-group__intro {
  margin: 12px 0 18px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 18px;
}

.page-faq .faq-figure .media-frame {
  display: block;
  border: var(--line) solid var(--stone);
  overflow: hidden;
  background: var(--ink-mid);
}

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

.page-faq .faq-figure__cap {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--haze);
}

.page-faq .faq-split {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-figure--side {
  margin: 0;
}

.page-faq .faq-figure--side .media-frame {
  border-color: var(--clay);
}

/* ---------- 可展开条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--faq-hair);
  min-width: 0;
}

.page-faq .disclosure {
  border-bottom: 1px solid var(--faq-hair);
  min-width: 0;
}

.page-faq .disclosure__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 16px 4px;
  background: none;
  border: 0;
  text-align: left;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-faq .disclosure__trigger:hover,
.page-faq .disclosure__trigger:focus-visible {
  color: var(--white);
  outline: none;
}

.page-faq .disclosure__trigger:focus-visible {
  box-shadow: inset 0 0 0 2px var(--orange);
}

.page-faq .disclosure__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--clay);
  padding-top: 3px;
}

.page-faq .disclosure__title {
  font-weight: 500;
  min-width: 0;
}

.page-faq .disclosure__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  flex: 0 0 auto;
}

.page-faq .disclosure__mark::before,
.page-faq .disclosure__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--orange);
  transition: transform 0.2s var(--ease);
}

.page-faq .disclosure__mark::before {
  width: 14px;
  height: 2px;
}

.page-faq .disclosure__mark::after {
  width: 2px;
  height: 14px;
}

.page-faq .disclosure__trigger[aria-expanded="true"] {
  color: var(--white);
}

.page-faq .disclosure__trigger[aria-expanded="true"] .disclosure__index {
  color: var(--yellow);
}

.page-faq .disclosure__trigger[aria-expanded="true"] .disclosure__mark::after {
  transform: scaleY(0);
}

.page-faq .disclosure__panel {
  padding: 2px 4px 20px;
  overflow: hidden;
}

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

.page-faq .disclosure__body {
  border-left: 3px solid var(--clay);
  padding-left: 14px;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--cream);
}

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

.page-faq .disclosure__body p:last-child {
  margin-bottom: 0;
}

/* 排查步骤 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 12px 0;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-top: 1px dashed var(--faq-hair);
  font-size: 15px;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--yellow);
  letter-spacing: 0.04em;
}

/* 提示块 */
.page-faq .faq-note {
  margin: 14px 0 0;
  border-left: 4px solid var(--moss);
  background: rgba(92, 122, 90, 0.18);
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cream);
}

/* 指标清单 */
.page-faq .faq-metrics {
  list-style: none;
  margin: 12px 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 16px;
}

.page-faq .faq-metrics li {
  position: relative;
  padding: 5px 0 5px 14px;
  font-size: 14px;
  color: var(--haze);
}

.page-faq .faq-metrics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

/* 操作行 */
.page-faq .faq-actions {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 侧栏求助卡 ---------- */
.page-faq .faq-help {
  border: var(--line) solid var(--stone);
  background: var(--faq-surface);
  padding: 18px;
}

.page-faq .faq-help__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-faq .faq-help__text {
  margin: 10px 0 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cream);
}

.page-faq .faq-help__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 10px;
  padding: 12px 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-help__k {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--haze);
}

.page-faq .faq-help__v {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--white);
  word-break: break-all;
}

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

.page-faq .faq-help__cta {
  display: inline-block;
  margin-top: 14px;
}

/* ---------- 尾部主题带 ---------- */
.page-faq .faq-band {
  border-top: var(--line) solid var(--stone);
}

.page-faq .faq-band__inner {
  display: grid;
  gap: 16px;
  align-items: center;
  padding-top: clamp(22px, 3vw, 34px);
  padding-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-band__text {
  margin: 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--white);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-hero__tags {
    justify-content: flex-end;
    padding-top: 10px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .disclosure__trigger {
    font-size: 17px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-layout {
    grid-template-columns: 196px minmax(0, 1fr) 296px;
    align-items: start;
  }

  .page-faq .faq-jump {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: 104px;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-faq .faq-jump__link {
    padding: 8px 0 8px 12px;
    border: 0;
    border-left: 3px solid var(--stone);
    font-size: 14px;
  }

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

  .page-faq .faq-help {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-figure--side {
    margin-top: 6px;
  }
}

@media (min-width: 1320px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr) 320px;
    gap: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .disclosure__mark::after,
  .page-faq .disclosure__trigger,
  .page-faq .faq-jump__link {
    transition: none;
  }
}