.page-faq {
  --faq-rail-w: 264px;
  --faq-panel: rgba(20, 34, 72, .72);
  --faq-line: rgba(138, 150, 184, .22);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3,
.page-faq p,
.page-faq ul,
.page-faq ol,
.page-faq dl,
.page-faq dd,
.page-faq figure {
  margin: 0;
}

.page-faq ul,
.page-faq ol {
  list-style: none;
  padding: 0;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
  margin-bottom: 30px;
}

.page-faq .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .crumbs a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--line-gold);
}

.page-faq .crumbs span[aria-hidden] {
  opacity: .45;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 54px;
  background:
    radial-gradient(880px 440px at 84% -12%, rgba(123, 92, 255, .22), transparent 62%),
    radial-gradient(680px 400px at 2% 14%, rgba(227, 177, 90, .13), transparent 60%),
    var(--ink);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero__kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
  border: 1px solid var(--line-gold);
  border-radius: var(--r-pill);
  padding: 6px 15px;
  margin-bottom: 22px;
}

.page-faq .faq-hero h1 {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(34px, 7.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--white);
  margin-bottom: 20px;
}

.page-faq .faq-hero .lead {
  max-width: 46ch;
  color: var(--paper-2);
  font-size: 16px;
  line-height: 1.78;
  text-align: justify;
}

.page-faq .faq-hero__board {
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  padding: 22px 22px 8px;
  background: linear-gradient(158deg, rgba(20, 34, 72, .92), rgba(11, 22, 48, .94));
  box-shadow: var(--shadow);
}

.page-faq .faq-hero__board-title {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: 14px;
}

.page-faq .faq-hero__dl-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-hero__dl-row dt {
  flex: none;
  min-width: 92px;
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--gold-light);
}

.page-faq .faq-hero__dl-row dd {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 44px;
  padding-bottom: 76px;
}

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

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

/* ---------- 筛选条 ---------- */
.page-faq .faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px;
  margin-bottom: 46px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  background: var(--faq-panel);
}

.page-faq .filters__chip {
  border: 1px solid var(--faq-line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--paper-2);
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.2;
  padding: 9px 17px;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-faq .filters__chip:hover {
  border-color: var(--line-gold);
  color: var(--gold-light);
}

.page-faq .filters__chip.is-on,
.page-faq .filters__chip[aria-pressed="true"] {
  background: rgba(227, 177, 90, .16);
  border-color: var(--gold);
  color: var(--gold-light);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 68px;
  scroll-margin-top: 110px;
}

.page-faq .faq-group:last-of-type {
  margin-bottom: 40px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line-gold);
}

.page-faq .faq-group__no {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
  padding-top: 8px;
}

.page-faq .faq-group__head h2 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 31px);
  line-height: 1.3;
  color: var(--white);
  margin-bottom: 10px;
}

.page-faq .faq-group__head p {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

.page-faq .faq-group__head p a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

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

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin-bottom: 26px;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(123, 92, 255, .14), rgba(11, 22, 48, .94));
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 左右对照 ---------- */
.page-faq .faq-pair {
  display: grid;
  gap: 14px;
  margin-bottom: 26px;
}

.page-faq .faq-pair__col {
  padding: 18px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: rgba(11, 22, 48, .55);
}

.page-faq .faq-pair__col--right {
  border-color: rgba(227, 177, 90, .5);
  background: rgba(227, 177, 90, .06);
}

.page-faq .faq-pair__col h3 {
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--mist);
  margin-bottom: 12px;
}

.page-faq .faq-pair__col--right h3 {
  color: var(--gold-light);
}

.page-faq .faq-pair__col li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper);
}

.page-faq .faq-pair__col li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-pair__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mist);
}

.page-faq .faq-pair__col--right li::before {
  background: var(--gold);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color .24s ease, transform .24s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--line-gold);
  transform: translateY(-2px);
}

.page-faq .faq-item__h {
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-item__btn {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  width: 100%;
  padding: 18px 18px;
  border: 0;
  background: none;
  color: var(--white);
  font-family: var(--f-body);
  font-size: 15.5px;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-item__btn .acc__no {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  opacity: .85;
}

.page-faq .faq-item__q {
  display: block;
}

.page-faq .acc__panel-inner {
  position: relative;
  padding: 2px 18px 22px;
}

.page-faq .faq-tip {
  margin-top: 14px;
  padding: 12px 16px;
  border-left: 2px solid var(--jade);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(95, 211, 180, .08);
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-2);
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
}

.page-faq .faq-steps > li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 34px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--paper);
}

.page-faq .faq-steps > li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

/* ---------- 技能树 ---------- */
.page-faq .faq-group--tree {
  padding-top: 8px;
}

.page-faq .faq-tree .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.page-faq .faq-tree .tabs__tab {
  border: 1px solid var(--faq-line);
  border-radius: var(--r-pill);
  background: var(--faq-panel);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.2;
  padding: 10px 18px;
  cursor: pointer;
  transition: border-color .22s ease, background .22s ease, color .22s ease;
}

.page-faq .faq-tree .tabs__tab:hover {
  border-color: var(--line-gold);
  color: var(--gold-light);
}

.page-faq .faq-tree .tabs__tab[aria-selected="true"] {
  border-color: var(--gold);
  background: rgba(227, 177, 90, .15);
  color: var(--gold-light);
}

.page-faq .faq-tree .tabs__panel {
  padding: 24px 20px;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(20, 34, 72, .9), rgba(11, 22, 48, .95));
}

.page-faq .faq-solved {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 升级处理 ---------- */
.page-faq .faq-escalate {
  padding: 30px 22px;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  background:
    radial-gradient(560px 280px at 88% 0%, rgba(227, 177, 90, .16), transparent 68%),
    linear-gradient(150deg, rgba(20, 34, 72, .92), rgba(11, 22, 48, .97));
  scroll-margin-top: 110px;
}

.page-faq .faq-escalate__kicker {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: 14px;
}

.page-faq .faq-escalate h2 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 30px);
  line-height: 1.3;
  color: var(--white);
  margin-bottom: 12px;
}

.page-faq .faq-escalate__lead {
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--paper-2);
  margin-bottom: 20px;
}

.page-faq .faq-escalate__list {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.page-faq .faq-escalate__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper);
}

.page-faq .faq-escalate__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

.page-faq .faq-escalate__foot {
  padding-top: 20px;
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-escalate__foot p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  margin-bottom: 16px;
}

.page-faq .faq-escalate__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 侧栏索引 ---------- */
.page-faq .faq-rail__title {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: 12px;
}

.page-faq .faq-rail__list li {
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-rail__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 2px;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.page-faq .faq-rail__list a:hover {
  color: var(--gold-light);
  padding-left: 8px;
}

.page-faq .faq-rail__list .index-font {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-faq .faq-rail__note {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .acc__panel-inner {
    padding: 2px 22px 24px 54px;
  }

  .page-faq .acc__panel-inner::before {
    content: "";
    position: absolute;
    left: 32px;
    top: 10px;
    bottom: 26px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--gold), rgba(227, 177, 90, 0));
  }

  .page-faq .faq-item__btn {
    padding: 20px 24px;
    font-size: 16px;
  }

  .page-faq .faq-escalate__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 26px;
  }
}

@media (min-width: 700px) {
  .page-faq .faq-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-tree .tabs__panel {
    padding: 28px 26px;
  }

  .page-faq .faq-escalate {
    padding: 38px 34px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 56px 0 68px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: end;
  }

  .page-faq .faq-hero__board {
    padding: 26px 26px 12px;
  }

  .page-faq .faq-toolbar {
    padding: 18px 20px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail-w);
    gap: 58px;
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: calc(var(--topbar-h-sm) + 32px);
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-group__head {
    gap: 22px;
  }

  .page-faq .faq-group__no {
    font-size: 14px;
  }
}