.page-faq {
  display: block;
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-faq .breadcrumbs {
  margin: 0 0 clamp(16px, 2.2vw, 26px);
}

/* ---------- 01 首屏框景 ---------- */

.page-faq .faq-hero {
  padding: clamp(18px, 2.6vw, 30px) 0 clamp(30px, 4vw, 54px);
}

.page-faq .faq-frame {
  position: relative;
  padding: clamp(22px, 3.2vw, 48px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(201, 162, 39, 0.11), transparent 60%),
    linear-gradient(168deg, var(--panel) 0%, #0d1218 56%, #101a22 100%);
}

.page-faq .faq-hero__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 38px);
}

.page-faq .faq-hero__intro h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: 0.03em;
  color: var(--paper);
  max-width: 18ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.32vw, 17px);
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-faq .faq-hero__aside {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 18px;
}

.page-faq .faq-hero__aside-label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-hero__aside-value {
  margin: 4px 0 14px;
  font-family: var(--font-num);
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--gold-bright);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-hero__facts-plain {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-faq .faq-hero__media {
  margin: clamp(22px, 3.4vw, 40px) 0 clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(42, 35, 80, 0.5), rgba(11, 14, 18, 0.9));
}

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

/* ---------- 四步对照条 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-steps__item {
  padding-top: 16px;
  border-top: 2px solid var(--gold-soft);
  transition: border-color 0.26s var(--ease), transform 0.26s var(--ease);
}

.page-faq .faq-steps__item:hover {
  border-top-color: var(--gold-bright);
  transform: translateY(-3px);
}

.page-faq .faq-steps__num {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold-bright);
}

.page-faq .faq-steps__title {
  margin: 8px 0 8px;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 900;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-faq .faq-steps__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper-dim);
}

/* ---------- 章节头 ---------- */

.page-faq .faq-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  border-top: 2px solid var(--line);
  padding-top: 18px;
  margin: 0 0 clamp(20px, 2.8vw, 34px);
}

.page-faq .faq-head__lead {
  grid-column: 2;
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-dim);
}

/* ---------- 02 栏目结构速查 ---------- */

.page-faq .faq-map-section {
  padding: clamp(10px, 2vw, 22px) 0 clamp(20px, 3vw, 34px);
}

.page-faq .faq-map {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.35);
}

.page-faq .faq-map table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.page-faq .faq-map th,
.page-faq .faq-map td {
  text-align: left;
  vertical-align: top;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.page-faq .faq-map thead th {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
  background: rgba(201, 162, 39, 0.08);
  border-bottom: 2px solid var(--gold-soft);
}

.page-faq .faq-map thead th:first-child {
  width: 34%;
}

.page-faq .faq-map tbody th {
  font-weight: 700;
}

.page-faq .faq-map tbody td {
  color: var(--paper-dim);
}

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

.page-faq .faq-map tbody tr:hover {
  background: rgba(201, 162, 39, 0.05);
}

.page-faq .faq-map a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.22s var(--ease);
}

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

/* ---------- 横向主题带 ---------- */

.page-faq .faq-band {
  margin: clamp(30px, 4.6vw, 64px) 0;
}

/* ---------- 03 常见问题 ---------- */

.page-faq .faq-main {
  padding: clamp(6px, 1.6vw, 18px) 0 clamp(26px, 4vw, 46px);
}

.page-faq .faq-main__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 46px);
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(28px, 4vw, 46px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 2px;
  border-bottom: 2px solid var(--gold-soft);
}

.page-faq .faq-group__num {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 23px);
  font-weight: 900;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.07), transparent 72%);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  padding: 17px 6px;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--paper);
  transition: color 0.22s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  color: var(--gold-bright);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-faq .faq-item[open] > summary {
  color: var(--gold-bright);
}

.page-faq .faq-item__mark {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  min-width: 20px;
  text-align: center;
  color: var(--gold);
}

.page-faq .faq-item__mark::before {
  content: "+";
  display: block;
}

.page-faq .faq-item[open] .faq-item__mark::before {
  content: "−";
}

.page-faq .faq-item__body {
  padding: 0 6px 20px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--paper-dim);
}

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

.page-faq .faq-item__body a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 125, 107, 0.6);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

/* ---------- 右侧速查 ---------- */

.page-faq .faq-jump {
  border: 2px solid var(--line);
  background: linear-gradient(160deg, var(--panel), #0d1319);
  padding: clamp(18px, 2.2vw, 24px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.34);
}

.page-faq .faq-jump__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold-soft);
  padding-bottom: 10px;
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-jump__link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper-dim);
  text-decoration: none;
  transition: color 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-faq .faq-jump__link:hover {
  color: var(--gold-bright);
  padding-left: 6px;
}

.page-faq .faq-jump__count {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-jump__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 12px;
}

.page-faq .faq-jump__foot-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-dim);
}

/* ---------- 04 排查顺序 ---------- */

.page-faq .faq-fix {
  padding: clamp(20px, 3vw, 40px) 0 clamp(10px, 2vw, 20px);
}

.page-faq .faq-fix__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 42px);
  align-items: start;
}

.page-faq .faq-fix__ladder {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-fix__step {
  position: relative;
  border-left: 3px solid var(--line);
  padding: 0 0 26px 22px;
}

.page-faq .faq-fix__step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-faq .faq-fix__step::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 5px;
  width: 14px;
  height: 14px;
  background: var(--gold);
}

.page-faq .faq-fix__step:nth-child(2)::before {
  background: var(--jade);
}

.page-faq .faq-fix__step:nth-child(3)::before {
  background: var(--gold-bright);
}

.page-faq .faq-fix__step:nth-child(4)::before {
  background: var(--cinnabar);
}

.page-faq .faq-fix__num {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-fix__title {
  margin: 6px 0 8px;
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 900;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-faq .faq-fix__step p {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-faq .faq-fix__step a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 125, 107, 0.6);
}

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

.page-faq .faq-fix__media {
  margin: 0;
  border: 2px solid var(--line);
  background: linear-gradient(150deg, rgba(42, 35, 80, 0.55), rgba(11, 14, 18, 0.92));
}

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

.page-faq .faq-fix__note {
  margin-top: clamp(26px, 3.4vw, 42px);
  display: grid;
  gap: 12px;
  justify-items: start;
  padding: clamp(18px, 2.4vw, 28px);
  border: 2px solid var(--cinnabar);
  border-left-width: 8px;
  background: linear-gradient(100deg, rgba(200, 64, 47, 0.16), rgba(11, 14, 18, 0) 72%);
}

.page-faq .faq-fix__note-label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold-bright);
  text-transform: uppercase;
}

.page-faq .faq-fix__note p {
  margin: 0;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--paper-dim);
}

.page-faq .faq-fix__note a:not(.btn) {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-soft);
}

.page-faq .faq-fix__note a:not(.btn):hover {
  border-bottom-color: var(--gold-bright);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-map th,
  .page-faq .faq-map td {
    padding: 17px 20px;
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 60px);
  }

  .page-faq .faq-fix__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
  }

  .page-faq .faq-fix__step:nth-child(2) {
    margin-left: 16px;
  }

  .page-faq .faq-fix__step:nth-child(3) {
    margin-left: 32px;
  }

  .page-faq .faq-fix__step:nth-child(4) {
    margin-left: 48px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-main__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    column-gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-main__side {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-map thead th:first-child {
    width: 38%;
  }

  .page-faq .faq-map th,
  .page-faq .faq-map td {
    padding: 13px 12px;
    font-size: 13.5px;
  }

  .page-faq .faq-fix__step {
    padding-left: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-steps__item,
  .page-faq .faq-item,
  .page-faq .faq-item > summary,
  .page-faq .faq-jump__link,
  .page-faq .faq-map a {
    transition: none;
  }

  .page-faq .faq-steps__item:hover {
    transform: none;
  }

  .page-faq .faq-jump__link:hover {
    padding-left: 0;
  }
}