.page-faq {
  --faq-gap: clamp(1rem, 2.4vw, 1.9rem);
  --faq-rule: 1px solid var(--line);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

.page-faq .section {
  padding-block: clamp(2.4rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.1rem, 3.5vw, 2.4rem) 0 clamp(2rem, 5vw, 3.2rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(42, 53, 64, .38) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 53, 64, .38) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: end;
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-h1 {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.95rem, 6.2vw, 4rem);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-hero-lede {
  margin-top: 1.15rem;
  max-width: 46ch;
  color: var(--mist);
  font-size: clamp(.96rem, 1.4vw, 1.08rem);
  line-height: 1.85;
}

.page-faq .faq-hero-meta {
  border: var(--faq-rule);
  background: linear-gradient(165deg, rgba(18, 24, 32, .96), rgba(7, 9, 12, .92));
  padding: clamp(.95rem, 2.4vw, 1.4rem);
  position: relative;
}

.page-faq .faq-hero-meta::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 2.4rem;
  height: 2.4rem;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}

.page-faq .faq-hero-meta-title {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .26em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-hero-meta-list {
  list-style: none;
  margin: .85rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-faq .faq-hero-meta-list li {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  padding-bottom: .5rem;
  border-bottom: 1px dashed rgba(42, 53, 64, .9);
  font-size: .88rem;
  color: var(--mist);
}

.page-faq .faq-hero-meta-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-hero-meta-num {
  font-size: 1.35rem;
  color: var(--gold-hi);
  line-height: 1;
  min-width: 2ch;
}

.page-faq .faq-hero-figure {
  margin: clamp(1.4rem, 4vw, 2.6rem) 0 0;
  padding: 10px;
  border: var(--faq-rule);
  background: var(--ink-800);
  position: relative;
}

.page-faq .faq-hero-figure::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 3rem;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 700;
  object-fit: cover;
  max-width: 100%;
  border: 1px solid rgba(200, 163, 90, .22);
}

/* ---------- 五步路线 ---------- */
.page-faq .faq-route {
  margin: clamp(1.2rem, 3vw, 1.9rem) 0 .4rem;
  padding: clamp(.6rem, 2vw, 1.25rem);
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(13, 17, 23, .92), rgba(7, 9, 12, .92));
}

.page-faq .faq-route svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-step-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0 0 1.2rem;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-step {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  height: 100%;
  padding: 1rem .9rem 1.15rem;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #121820 0%, #0d1117 100%);
  color: var(--paper);
  text-decoration: none;
  position: relative;
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 2.1rem;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-visible {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .45);
  outline: none;
}

.page-faq .faq-step:focus-visible {
  outline: 2px solid var(--cyber);
  outline-offset: 2px;
}

.page-faq .faq-step-num {
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--steppe);
}

.page-faq .faq-step-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-faq .faq-step-text {
  font-size: .86rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 规则第二栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .faq-sub-title {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--paper);
}

.page-faq .faq-order {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-order li {
  position: relative;
  padding-left: 2.9rem;
}

.page-faq .faq-order-num {
  position: absolute;
  left: 0;
  top: .1rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold-hi);
  font-size: .78rem;
}

.page-faq .faq-order-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper);
}

.page-faq .faq-order-text {
  margin: .3rem 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-rules-main .note {
  margin-top: 1.6rem;
}

.page-faq .faq-versions-panel {
  border: var(--faq-rule);
  background: linear-gradient(200deg, rgba(18, 24, 32, .98), rgba(7, 9, 12, .96));
  padding: clamp(1rem, 2.6vw, 1.5rem);
  align-self: start;
}

.page-faq .faq-versions {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-versions li {
  padding-left: .9rem;
  border-left: 2px solid var(--terracotta);
}

.page-faq .faq-versions p {
  margin: .4rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-versions-link {
  margin-top: 1.35rem;
  display: inline-block;
}

/* ---------- 重登与检索 ---------- */
.page-faq .faq-relogin {
  display: grid;
  gap: .9rem;
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .faq-relogin-item {
  border: var(--faq-rule);
  padding: clamp(1rem, 2.4vw, 1.4rem);
  background: linear-gradient(160deg, rgba(46, 127, 120, .16), rgba(13, 17, 23, .94) 62%);
}

.page-faq .faq-relogin-num {
  font-size: 1.9rem;
  line-height: 1;
  color: var(--cyber);
}

.page-faq .faq-relogin-title {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper);
}

.page-faq .faq-relogin-text {
  margin: .45rem 0 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-search {
  margin-top: clamp(1.4rem, 3vw, 2.1rem);
  padding: clamp(1rem, 2.8vw, 1.7rem);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-search-text {
  margin: .6rem 0 0;
  max-width: 60ch;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-search-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-top: 1.1rem;
  padding: .7rem .9rem;
  border: 1px dashed var(--steppe);
  background: rgba(7, 9, 12, .8);
}

.page-faq .faq-search-caret {
  font-size: .8rem;
  color: var(--cyber);
  letter-spacing: .1em;
}

.page-faq .faq-search-query {
  font-size: .95rem;
  color: var(--paper);
  letter-spacing: .04em;
}

.page-faq .faq-chips {
  list-style: none;
  margin: .85rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: .25rem .6rem;
  border: 1px solid var(--line);
  font-size: .76rem;
  color: var(--mist);
  letter-spacing: .06em;
}

.page-faq .faq-channels {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-faq .faq-channels a {
  display: block;
  padding: .55rem .8rem;
  border-left: 2px solid var(--steppe);
  background: rgba(46, 127, 120, .1);
  color: var(--paper);
  font-size: .9rem;
  text-decoration: none;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.page-faq .faq-channels a:hover,
.page-faq .faq-channels a:focus-visible {
  background: rgba(59, 169, 156, .18);
  border-left-color: var(--cyber);
  outline: none;
}

/* ---------- 平板 ---------- */
.page-faq .faq-tablet {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .faq-tablet-figure {
  margin: 0;
  padding: 9px;
  border: var(--faq-rule);
  background: var(--ink-800);
}

.page-faq .faq-tablet-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(200, 163, 90, .2);
}

.page-faq .faq-scale-caption {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-scale-track {
  margin-top: .7rem;
  height: .55rem;
  background: linear-gradient(90deg, var(--steppe), var(--cyber));
  position: relative;
}

.page-faq .faq-scale-fill {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(7, 9, 12, .85) 0 1px, transparent 1px 12.5%);
}

.page-faq .faq-scale-ticks {
  list-style: none;
  margin: .5rem 0 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
  font-size: .74rem;
  color: var(--mist);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.5rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stat {
  background: var(--ink-800);
  padding: .9rem .85rem;
}

.page-faq .faq-stat b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.45rem;
  color: var(--gold-hi);
  line-height: 1.1;
}

.page-faq .faq-stat span {
  display: block;
  margin-top: .25rem;
  font-size: .78rem;
  color: var(--mist);
}

.page-faq .faq-tablet-tips {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-faq .faq-tablet-tips li {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--mist);
  padding-left: .2rem;
}

.page-faq .faq-tablet-tips .mono {
  display: inline-block;
  margin-right: .5rem;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--steppe);
}

.page-faq .faq-tablet-link {
  margin-top: 1.4rem;
  display: inline-block;
}

/* ---------- 问答 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .faq-index {
  border-top: 1px solid var(--line);
  padding-top: .85rem;
}

.page-faq .faq-index-title {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .26em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-index-list {
  list-style: none;
  margin: .8rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-faq .faq-index-list a {
  display: block;
  padding: .35rem .7rem;
  border: 1px solid var(--line);
  color: var(--mist);
  font-size: .84rem;
  text-decoration: none;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--gold-hi);
  border-color: var(--gold);
  outline: none;
}

.page-faq .faq-group {
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(13, 17, 23, .96), rgba(7, 9, 12, .9));
  padding: clamp(1rem, 2.6vw, 1.5rem);
  margin-bottom: .9rem;
}

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

.page-faq .faq-group-title {
  margin: 0 0 .4rem;
  display: flex;
  align-items: baseline;
  gap: .6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--paper);
}

.page-faq .faq-group-title .mono {
  font-size: .8rem;
  letter-spacing: .18em;
  color: var(--steppe);
}

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

.page-faq .faq-item:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  padding: .95rem 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .98rem;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--gold);
  line-height: 1.2;
}

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

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

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

.page-faq .faq-answer {
  margin: 0;
  padding: 0 0 1.15rem;
  max-width: 62ch;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 联系收束 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(2rem, 5vw, 3.2rem);
  padding: clamp(1.2rem, 3.6vw, 2.4rem);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(200, 163, 90, .16), transparent 58%),
    linear-gradient(180deg, #121820, #07090c);
  display: grid;
  gap: 1.25rem;
}

.page-faq .faq-cta-kicker {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .26em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-cta-title {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-cta-text {
  margin: .7rem 0 0;
  max-width: 52ch;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-content: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-faq .faq-index-list {
    display: grid;
    gap: .3rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-faq .faq-tablet {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    align-items: center;
  }

  .page-faq .faq-cta-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-groups {
    grid-template-columns: 13rem minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: .1rem;
  }

  .page-faq .faq-index-list {
    border-left: 0;
  }

  .page-faq .faq-index-list a {
    border: 0;
    border-left: 2px solid transparent;
    padding: .38rem 0 .38rem .85rem;
  }

  .page-faq .faq-index-list a:hover,
  .page-faq .faq-index-list a:focus-visible {
    border-left-color: var(--gold);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-step-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .55rem;
  }

  .page-faq .faq-step-list > li:nth-child(even) {
    transform: translateY(1.1rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-channels a,
  .page-faq .faq-index-list a {
    transition: none;
  }

  .page-faq .faq-step:hover,
  .page-faq .faq-step:focus-visible,
  .page-faq .faq-step-list > li:nth-child(even) {
    transform: none;
  }
}