.page-faq {
  --faq-rail-w: 252px;
  position: relative;
  background: var(--gx-void);
  color: var(--gx-silver);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--gx-header-h) + clamp(44px, 7vw, 88px)) 0 clamp(36px, 5vw, 58px);
  background:
    linear-gradient(180deg, rgba(2, 4, 13, .88) 0%, rgba(5, 11, 31, .2) 42%, rgba(5, 11, 31, 0) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -34% -22% auto -42%;
  height: 132%;
  pointer-events: none;
  background:
    radial-gradient(ellipse 54% 44% at 22% 42%, rgba(122, 92, 255, .32), transparent 70%),
    radial-gradient(ellipse 44% 36% at 80% 18%, rgba(47, 230, 213, .18), transparent 72%);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  grid-template-areas:
    "head"
    "lead"
    "paths"
    "stats";
}

.page-faq .faq-hero__main {
  grid-area: head;
}

.page-faq .faq-hero__aside {
  grid-area: lead;
}

.page-faq .faq-paths {
  grid-area: paths;
}

.page-faq .faq-stats {
  grid-area: stats;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--gx-font-head);
  font-weight: 900;
  font-size: clamp(2.5rem, 8.4vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--gx-silver);
  text-shadow: 0 0 44px rgba(122, 92, 255, .38);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(.98rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--gx-mute);
}

/* 路径圆章 */

.page-faq .faq-paths {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 2.6vw, 22px);
  margin-top: 6px;
}

.page-faq .faq-path {
  position: relative;
  width: clamp(80px, 21vw, 104px);
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 50%;
  text-decoration: none;
  color: var(--gx-silver);
  border: 1px solid var(--gx-line-strong);
  background: radial-gradient(circle at 50% 18%, rgba(14, 27, 60, .92), rgba(2, 4, 13, .88));
  transition: transform .28s var(--gx-ease), border-color .28s var(--gx-ease), box-shadow .28s var(--gx-ease);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(47, 230, 213, .6);
  box-shadow: var(--gx-glow-cyan);
}

.page-faq .faq-path__num {
  font-family: var(--gx-font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--gx-cyan);
}

.page-faq .faq-path__name {
  font-family: var(--gx-font-head);
  font-weight: 700;
  font-size: .96rem;
  letter-spacing: -0.01em;
}

/* 首屏数据 */

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 5vw, 58px);
  list-style: none;
  margin: 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--gx-line);
}

.page-faq .faq-stats .gx-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-faq .faq-stats .gx-stat__num {
  font-family: var(--gx-font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.05rem);
  line-height: 1.1;
  color: var(--gx-gold);
  letter-spacing: -0.01em;
}

.page-faq .faq-stats__plus {
  font-size: .64em;
  margin-left: 2px;
  color: rgba(255, 196, 107, .72);
}

.page-faq .faq-stats .gx-stat__label {
  font-size: .8rem;
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--gx-mute);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-body {
  padding: clamp(20px, 3vw, 34px) 0 clamp(46px, 7vw, 84px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

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

/* 左侧路径索引 */

.page-faq .faq-rail {
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius-lg);
  background: linear-gradient(158deg, rgba(14, 27, 60, .82), rgba(2, 4, 13, .72));
  padding: 20px 16px;
}

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-family: var(--gx-font-head);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gx-mute);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.page-faq .faq-rail__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: var(--gx-silver);
  font-size: .92rem;
  text-decoration: none;
  transition: background .24s var(--gx-ease), border-color .24s var(--gx-ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: rgba(47, 230, 213, .08);
  border-color: rgba(47, 230, 213, .4);
}

.page-faq .faq-rail__num {
  font-family: var(--gx-font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gx-cyan);
}

.page-faq .faq-rail__tag {
  font-size: .68rem;
  line-height: 1;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--gx-line-strong);
  color: var(--gx-mute);
  white-space: nowrap;
}

.page-faq .faq-rail__tag--cyan {
  border-color: rgba(47, 230, 213, .5);
  color: var(--gx-cyan);
}

.page-faq .faq-rail__tag--pink {
  border-color: rgba(255, 122, 217, .48);
  color: var(--gx-pink);
}

.page-faq .faq-rail__tag--violet {
  border-color: rgba(122, 92, 255, .62);
  color: #b6a9ff;
}

/* ---------- 问答区块 ---------- */

.page-faq .faq-block {
  padding-top: clamp(34px, 5.5vw, 56px);
  scroll-margin-top: calc(var(--gx-header-h) + 24px);
}

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

.page-faq .faq-block__intro {
  margin: 16px 0 22px;
  max-width: 58ch;
  padding-left: 16px;
  border-left: 2px solid rgba(122, 92, 255, .55);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gx-mute);
}

.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius-lg);
  overflow: hidden;
  background: var(--gx-deep);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--gx-line);
  font-size: .84rem;
  line-height: 1.7;
  color: var(--gx-mute);
}

/* 折叠条目 */

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

.page-faq .faq-item {
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius);
  background: linear-gradient(180deg, rgba(14, 27, 60, .74), rgba(5, 11, 31, .74));
  transition: border-color .28s var(--gx-ease), box-shadow .28s var(--gx-ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item:hover {
  border-color: rgba(47, 230, 213, .42);
}

.page-faq .faq-item[open] {
  border-color: rgba(47, 230, 213, .5);
  box-shadow: var(--gx-glow-cyan);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--gx-font-head);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--gx-silver);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--gx-cyan);
  outline-offset: -2px;
  border-radius: var(--gx-radius);
}

.page-faq .faq-item__mark {
  flex: none;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 6px;
  border: 1px solid rgba(47, 230, 213, .55);
  background: rgba(2, 4, 13, .6);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--gx-cyan);
  transform: translate(-50%, -50%);
  transition: transform .28s var(--gx-ease), opacity .28s var(--gx-ease);
}

.page-faq .faq-item__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

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

.page-faq .faq-item__a {
  margin: 0 14px 14px;
  padding: 15px 16px;
  border-radius: 8px;
  border-left: 2px solid rgba(47, 230, 213, .35);
  background: rgba(2, 4, 13, .52);
  font-size: .95rem;
  line-height: 1.78;
  color: var(--gx-mute);
}

.page-faq .faq-item[open] .faq-item__a {
  border-left-color: var(--gx-cyan);
}

.page-faq .faq-item__a p {
  margin: 0 0 .8em;
}

.page-faq .faq-item__a p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-item__next {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 13px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(47, 230, 213, .38);
  font-size: .86rem;
  color: var(--gx-cyan);
  text-decoration: none;
  transition: border-color .24s var(--gx-ease), color .24s var(--gx-ease);
}

.page-faq .faq-item__next:hover,
.page-faq .faq-item__next:focus-visible {
  color: var(--gx-silver);
  border-bottom-color: var(--gx-pink);
}

/* ---------- 中部氛围带 ---------- */

.page-faq .faq-band {
  position: relative;
  display: flex;
  align-items: center;
  margin: clamp(40px, 6.5vw, 74px) 0;
  min-height: 240px;
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius-lg);
  overflow: hidden;
  background: var(--gx-ink);
}

.page-faq .faq-band img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
}

.page-faq .faq-band__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(32px, 5vw, 54px);
  padding-bottom: clamp(32px, 5vw, 54px);
}

.page-faq .faq-band__kicker {
  margin: 0 0 10px;
  font-family: var(--gx-font-head);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gx-gold);
}

.page-faq .faq-band__text {
  margin: 0;
  max-width: 54ch;
  font-family: var(--gx-font-head);
  font-weight: 600;
  font-size: clamp(1.02rem, 2.3vw, 1.36rem);
  line-height: 1.6;
  color: var(--gx-silver);
}

/* ---------- 结尾 ---------- */

.page-faq .faq-outro {
  padding: 0 0 clamp(52px, 7vw, 92px);
}

.page-faq .faq-outro__inner {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 24px;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--gx-line-strong);
  border-radius: var(--gx-radius-lg);
  background: linear-gradient(122deg, rgba(122, 92, 255, .18), rgba(47, 230, 213, .09) 55%, rgba(2, 4, 13, .68));
}

.page-faq .faq-outro__inner::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 4px;
  background: linear-gradient(90deg, var(--gx-violet), var(--gx-cyan));
}

.page-faq .faq-outro__title {
  margin: 10px 0 0;
  font-family: var(--gx-font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--gx-silver);
}

.page-faq .faq-outro__text {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--gx-mute);
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 1.02rem;
  }

  .page-faq .faq-item__a {
    margin: 0 18px 18px;
    padding: 17px 20px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    grid-template-areas:
      "head lead"
      "head paths"
      "stats stats";
    column-gap: clamp(34px, 5vw, 78px);
    row-gap: 32px;
    align-items: start;
  }

  .page-faq .faq-hero__aside {
    padding-top: 46px;
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 62px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--gx-header-h) + 26px);
    align-self: start;
    padding: 22px 18px;
  }

  .page-faq .faq-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-item__q {
    padding: 14px 14px;
    gap: 11px;
    font-size: .96rem;
  }

  .page-faq .faq-item__a {
    margin: 0 11px 11px;
    padding: 13px 14px;
    font-size: .92rem;
  }

  .page-faq .faq-path {
    width: 76px;
  }

  .page-faq .faq-path__name {
    font-size: .86rem;
  }

  .page-faq .faq-paths {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-rail__link {
    transition: none;
  }

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