.page-faq {
  --faq-edge: rgba(27, 93, 99, .55);
  --faq-soft: #0B1118;
  --faq-glow: rgba(41, 242, 224, .14);
  background: var(--ng-void);
  color: var(--ng-white);
  padding-bottom: clamp(2rem, 5vw, 4rem);
  overflow-x: clip;
}

.page-faq .page-faq__crumbwrap {
  padding-top: clamp(1rem, 3vw, 1.6rem);
  padding-bottom: .4rem;
}

.page-faq .ng-breadcrumb__list {
  flex-wrap: wrap;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.2rem, 3vw, 2.2rem) 0 clamp(1.6rem, 4vw, 3rem);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(680px, 86vw);
  height: min(680px, 86vw);
  background: radial-gradient(circle at 50% 50%, var(--faq-glow), rgba(41, 242, 224, 0) 64%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(420px, 70vw);
  height: 1px;
  background: linear-gradient(90deg, var(--ng-cyan), rgba(41, 242, 224, 0));
  opacity: .7;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.6rem);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: .5rem 0 0;
  font-family: var(--ng-font-display);
  font-size: clamp(1.85rem, 6vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ng-white);
}

.page-faq .faq-hero__text {
  margin-top: 1rem;
  max-width: 46ch;
  color: var(--ng-mist);
  font-size: clamp(.95rem, 2.4vw, 1.05rem);
  line-height: 1.85;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-hero__panel {
  position: relative;
  border: 1px solid var(--faq-edge);
  border-left: 3px solid var(--ng-cyan);
  border-radius: var(--ng-radius);
  background: linear-gradient(158deg, rgba(14, 21, 28, .96), rgba(7, 10, 15, .92));
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: 0 20px 44px rgba(0, 0, 0, .42);
}

.page-faq .faq-hero__label {
  margin: 0;
  font-family: var(--ng-font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ng-cyan);
}

.page-faq .faq-hero__ver {
  margin: .2rem 0 .5rem;
  font-family: var(--ng-font-mono);
  font-size: clamp(2rem, 7vw, 2.9rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--ng-data);
}

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

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 1rem 0 0;
  padding: .9rem 0 0;
  border-top: 1px solid var(--faq-edge);
  display: grid;
  gap: .45rem;
  font-size: .85rem;
  color: var(--ng-mist);
}

.page-faq .faq-hero__num {
  display: inline-block;
  min-width: 2ch;
  margin-right: .45rem;
  font-family: var(--ng-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  color: var(--ng-cyan);
}

/* ---------- 胶囊筛选条 ---------- */

.page-faq .faq-filterwrap {
  position: sticky;
  top: 3.4rem;
  z-index: 30;
  padding: .5rem 0;
  background: linear-gradient(180deg, rgba(7, 10, 15, .96) 60%, rgba(7, 10, 15, .72));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(27, 93, 99, .35);
}

.page-faq .faq-filterwrap__inner {
  display: flex;
  align-items: center;
  gap: .7rem;
}

.page-faq .faq-filterwrap__hint {
  flex: 0 0 auto;
  font-family: var(--ng-font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ng-cyan);
}

.page-faq .faq-pills {
  list-style: none;
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: .15rem 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-pill {
  display: block;
  flex: 0 0 auto;
  padding: .42rem .92rem;
  border: 1px solid var(--faq-edge);
  border-radius: 999px;
  background: rgba(14, 21, 28, .9);
  color: var(--ng-mist);
  font-size: .82rem;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  color: var(--ng-cyan);
  border-color: var(--ng-cyan);
  background: rgba(41, 242, 224, .08);
}

/* ---------- 主体双列 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3vw, 2.6rem);
  padding-top: clamp(1.6rem, 4vw, 2.8rem);
}

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

.page-faq .faq-toc__title {
  margin: 0 0 .75rem;
  font-family: var(--ng-font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ng-cyan);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
  border-left: 1px solid var(--faq-edge);
}

.page-faq .faq-toc__link {
  display: block;
  padding: .45rem .8rem;
  color: var(--ng-mist);
  font-size: .88rem;
  line-height: 1.5;
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color .18s ease, border-color .18s ease;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--ng-cyan);
}

.page-faq .faq-toc__link[aria-current="true"] {
  color: var(--ng-cyan);
  border-left-color: var(--ng-cyan);
}

.page-faq .faq-aside__hint {
  margin: 1.2rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--faq-edge);
  font-size: .78rem;
  line-height: 1.7;
  color: rgba(183, 195, 205, .75);
}

.page-faq .faq-content {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.6rem);
  min-width: 0;
}

/* ---------- 示意图 ---------- */

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--faq-edge);
  border-radius: var(--ng-radius);
  background: var(--ng-panel);
  padding: .6rem;
  max-width: 520px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-faq .faq-figure__cap {
  display: block;
  margin-top: .6rem;
  font-family: var(--ng-font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  line-height: 1.6;
  color: rgba(183, 195, 205, .8);
}

/* ---------- 问答块 ---------- */

.page-faq .faq-block {
  scroll-margin-top: 8rem;
  border-top: 1px solid rgba(27, 93, 99, .4);
  padding-top: clamp(1rem, 3vw, 1.5rem);
}

.page-faq .faq-block__head {
  position: relative;
  margin-bottom: 1rem;
  padding-left: 2.6rem;
}

.page-faq .faq-block__num {
  position: absolute;
  left: 0;
  top: .25rem;
  font-family: var(--ng-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .85rem;
  letter-spacing: .06em;
  color: var(--ng-cyan);
}

.page-faq .faq-block__num::after {
  content: "";
  position: absolute;
  left: 1.75rem;
  top: .55em;
  width: 1.2rem;
  height: 1px;
  background: var(--faq-edge);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--ng-font-display);
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--ng-white);
}

.page-faq .faq-block__desc {
  margin: .35rem 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(183, 195, 205, .85);
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-item {
  border: 1px solid var(--faq-edge);
  border-radius: var(--ng-radius);
  background: linear-gradient(180deg, rgba(14, 21, 28, .94), rgba(11, 17, 24, .94));
  margin-bottom: .7rem;
  transition: border-color .2s ease, transform .2s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(41, 242, 224, .38);
}

.page-faq .faq-item[open] {
  border-color: rgba(41, 242, 224, .55);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: .95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ng-white);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--ng-font-mono);
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--ng-cyan);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
}

.page-faq .faq-item__body {
  padding: 0 1.05rem 1.05rem;
  color: var(--ng-mist);
  font-size: .92rem;
  line-height: 1.85;
}

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

/* ---------- 版本变更说明时间轴 ---------- */

.page-faq .faq-timeline {
  scroll-margin-top: 8rem;
  margin-top: clamp(2rem, 5vw, 3.6rem);
  padding: clamp(2rem, 5vw, 3.4rem) 0;
  background: linear-gradient(180deg, rgba(11, 17, 24, .9), rgba(7, 10, 15, 1));
  border-top: 1px solid rgba(27, 93, 99, .45);
  border-bottom: 1px solid rgba(27, 93, 99, .45);
}

.page-faq .faq-timeline__title {
  margin: .5rem 0 0;
  font-family: var(--ng-font-display);
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  line-height: 1.2;
  color: var(--ng-white);
}

.page-faq .faq-timeline__lead {
  margin: .8rem 0 0;
  max-width: 52ch;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--ng-mist);
}

.page-faq .faq-timeline__figure {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--faq-edge);
  border-radius: var(--ng-radius);
  background: var(--ng-panel);
  padding: .6rem;
}

.page-faq .faq-timeline__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-faq .faq-tl {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: .8rem;
  bottom: 1.2rem;
  width: 1px;
  background: linear-gradient(180deg, var(--ng-cyan), var(--faq-edge), rgba(27, 93, 99, 0));
}

.page-faq .faq-tl__node {
  position: relative;
  padding-left: 2rem;
  margin-bottom: .8rem;
}

.page-faq .faq-tl__node::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 1.05rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ng-void);
  border: 1px solid var(--ng-cyan);
  box-shadow: 0 0 0 4px rgba(41, 242, 224, .1);
}

.page-faq .faq-tl__panel {
  border: 1px solid var(--faq-edge);
  border-radius: var(--ng-radius);
  background: rgba(14, 21, 28, .92);
}

.page-faq .faq-tl__panel[open] {
  border-color: rgba(41, 242, 224, .5);
}

.page-faq .faq-tl__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .75rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-tl__ver {
  font-family: var(--ng-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  color: var(--ng-data);
}

.page-faq .faq-tl__phase {
  padding: .1rem .5rem;
  border: 1px solid var(--faq-edge);
  border-radius: 999px;
  font-family: var(--ng-font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--ng-cyan);
}

.page-faq .faq-tl__name {
  flex: 1 1 100%;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--ng-mist);
}

.page-faq .faq-tl__body {
  padding: 0 1rem 1rem;
}

.page-faq .faq-tl__list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: .5rem;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ng-mist);
}

.page-faq .faq-tl__list li::marker {
  color: var(--ng-cyan);
}

/* ---------- 反馈 ---------- */

.page-faq .faq-feedback {
  scroll-margin-top: 8rem;
  padding: clamp(2rem, 5vw, 3.4rem) 0 clamp(1.4rem, 4vw, 2.4rem);
}

.page-faq .faq-feedback__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.4rem);
  align-items: start;
}

.page-faq .faq-feedback__title {
  margin: .5rem 0 0;
  font-family: var(--ng-font-display);
  font-size: clamp(1.5rem, 5vw, 2.3rem);
  line-height: 1.2;
  color: var(--ng-white);
}

.page-faq .faq-feedback__lead {
  margin: .8rem 0 1.3rem;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--ng-mist);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
  padding: .9rem 1rem;
  border: 1px solid var(--faq-edge);
  border-left: 2px solid rgba(255, 75, 43, .7);
  border-radius: var(--ng-radius);
  background: rgba(14, 21, 28, .82);
}

.page-faq .faq-step__num {
  font-family: var(--ng-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--ng-flare);
  padding-top: .18rem;
}

.page-faq .faq-step__title {
  margin: 0 0 .25rem;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--ng-white);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ng-mist);
  word-break: break-word;
}

.page-faq .faq-feedback__more {
  margin: 1.3rem 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(183, 195, 205, .9);
}

.page-faq .faq-feedback__more a {
  color: var(--ng-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 242, 224, .4);
}

.page-faq .faq-feedback__more a:hover,
.page-faq .faq-feedback__more a:focus-visible {
  border-bottom-color: var(--ng-cyan);
}

/* ---------- 奶油纸提示卡 ---------- */

.page-faq .faq-paper {
  position: relative;
  background: var(--ng-paper);
  color: var(--ng-paper-ink);
  border-radius: var(--ng-radius);
  padding: clamp(1.1rem, 3vw, 1.7rem);
  box-shadow: 0 22px 46px rgba(0, 0, 0, .35);
}

.page-faq .faq-paper::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 64px;
  height: 3px;
  background: var(--ng-flare);
}

.page-faq .faq-paper__label {
  margin: 0;
  font-family: var(--ng-font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(34, 26, 22, .62);
}

.page-faq .faq-paper__title {
  margin: .5rem 0 1rem;
  font-family: var(--ng-font-display);
  font-size: clamp(1.2rem, 3.6vw, 1.6rem);
  line-height: 1.3;
  color: var(--ng-paper-ink);
}

.page-faq .faq-paper__list {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: .6rem;
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(34, 26, 22, .88);
}

.page-faq .faq-paper__list li::marker {
  color: var(--ng-flare);
}

/* ---------- 回到顶部 ---------- */

.page-faq .faq-backtop {
  padding-top: clamp(1rem, 3vw, 1.6rem);
}

.page-faq .faq-backtop__link {
  display: inline-block;
  font-family: var(--ng-font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ng-mist);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-edge);
  padding-bottom: .2rem;
}

.page-faq .faq-backtop__link:hover,
.page-faq .faq-backtop__link:focus-visible {
  color: var(--ng-cyan);
  border-bottom-color: var(--ng-cyan);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-feedback__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-filterwrap {
    top: 4.2rem;
  }

  .page-faq .faq-block--shift {
    padding-left: clamp(0rem, 3vw, 2.2rem);
  }

  .page-faq .faq-tl__name {
    flex: 1 1 auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.4rem);
    align-items: start;
  }

  .page-faq .faq-aside {
    display: block;
    position: sticky;
    top: 9.5rem;
  }

  .page-faq .faq-figure {
    margin-left: auto;
  }

  .page-faq .faq-block {
    padding-top: 1.6rem;
  }

  .page-faq .faq-timeline__figure {
    margin-top: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pill,
  .page-faq .faq-item,
  .page-faq .faq-toc__link {
    transition: none;
  }
}
<<<END>>>