.page-faq {
  --faq-ink-soft: #4a5568;
  --faq-paper-rule: rgba(7, 13, 22, .16);
  background: var(--ky-night);
  color: var(--ky-cloud);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 14% -12%, rgba(195, 213, 234, .22) 0%, rgba(195, 213, 234, 0) 58%),
    linear-gradient(180deg, var(--ky-gap) 0%, var(--ky-night) 74%);
  border-bottom: 1px solid var(--ky-line);
}

.page-faq .faq-hero__inner {
  max-width: var(--ky-max);
  margin: 0 auto;
  padding: var(--ky-block) var(--ky-pad) calc(var(--ky-block) * .62);
}

.page-faq .faq-hero__title {
  margin: .85rem 0 0;
  max-width: 22em;
  font-family: var(--ky-serif);
  font-size: clamp(1.85rem, 5vw, 3.2rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ky-cloud);
}

.page-faq .faq-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 44rem;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(230, 236, 243, .82);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .7rem;
}

.page-faq .faq-hero__facts li {
  padding: .42rem .8rem;
  border: 1px solid var(--ky-line-strong);
  border-radius: 2px;
  background: rgba(10, 26, 47, .62);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--ky-haze);
}

/* ---------- 骨架 ---------- */
.page-faq .faq-layout {
  max-width: var(--ky-max);
  margin: 0 auto;
  padding: 0 var(--ky-pad) var(--ky-block);
}

/* ---------- 章节导航 ---------- */
.page-faq .faq-rail {
  position: sticky;
  top: 0;
  z-index: 6;
  margin: 0 calc(var(--ky-pad) * -1) calc(var(--ky-block) * .7);
  padding: .6rem var(--ky-pad);
  background: rgba(7, 18, 35, .94);
  border-bottom: 1px solid var(--ky-line);
  backdrop-filter: blur(6px);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: .3rem;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem .7rem;
  white-space: nowrap;
  font-size: .82rem;
  color: var(--ky-metal);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color .2s var(--ky-ease), background-color .2s var(--ky-ease);
}

.page-faq .faq-rail__link.is-active,
.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--ky-cloud);
  background: rgba(23, 48, 79, .78);
  border-color: var(--ky-line-strong);
}

.page-faq .cld-rail__dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--ky-metal);
}

.page-faq .faq-rail__link.is-active .cld-rail__dot,
.page-faq .faq-rail__link[aria-current="true"] .cld-rail__dot {
  background: var(--ky-signal);
}

/* ---------- 章节 ---------- */
.page-faq .faq-chapter {
  padding-top: calc(var(--ky-block) * .62);
  border-top: 1px solid var(--ky-line);
  scroll-margin-top: 4.5rem;
}

.page-faq .faq-flow > .faq-chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-chapter + .faq-chapter {
  margin-top: calc(var(--ky-block) * .7);
}

.page-faq .faq-chapter__head {
  display: flex;
  align-items: baseline;
  gap: .85rem;
}

.page-faq .faq-chapter__no {
  font-family: var(--ky-serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ky-signal);
}

.page-faq .faq-chapter__head .cld-heading {
  margin: 0;
  font-size: clamp(1.25rem, 3.2vw, 1.7rem);
  color: var(--ky-cloud);
}

.page-faq .faq-chapter__intro {
  margin: .75rem 0 0 0;
  max-width: 42rem;
  font-size: .96rem;
  line-height: 1.88;
  color: rgba(195, 213, 234, .84);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .85rem;
  padding: 1rem 1rem 1.05rem;
  border: 1px solid var(--ky-line);
  border-left: 2px solid rgba(195, 213, 234, .3);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(23, 48, 79, .68), rgba(10, 26, 47, .52));
}

.page-faq .faq-step__no {
  font-family: var(--ky-num);
  font-size: 1.5rem;
  line-height: 1.15;
  letter-spacing: .02em;
  color: var(--ky-pulse);
}

.page-faq .faq-step__title {
  margin: 0 0 .3rem;
  font-family: var(--ky-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ky-cloud);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.82;
  color: rgba(195, 213, 234, .86);
}

.page-faq .faq-steps--verify .faq-step__no {
  color: var(--ky-live);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 1.5rem 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ky-line);
  border-radius: 2px;
  background: var(--ky-gap);
}

.page-faq .faq-figure__cap {
  margin: .6rem 0 0;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ky-metal);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-note {
  margin: 1.2rem 0 0;
  max-width: 44rem;
  padding: .9rem 1.05rem;
  border-radius: 2px;
  border-left: 3px solid var(--ky-signal);
  background: var(--ky-paper);
  color: var(--ky-ink);
  font-size: .89rem;
  line-height: 1.82;
}

.page-faq .faq-note a {
  color: var(--ky-ink);
  text-decoration: underline;
  text-decoration-color: var(--ky-signal);
  text-underline-offset: 3px;
}

/* ---------- 检索方式卡片 ---------- */
.page-faq .faq-modes {
  margin: 1.5rem 0 0;
  display: grid;
  gap: .75rem;
}

.page-faq .faq-mode {
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--faq-paper-rule);
  border-top: 3px solid var(--ky-signal);
  border-radius: 2px;
  background: var(--ky-paper);
  color: var(--ky-ink);
}

.page-faq .faq-mode__label {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-mode h3 {
  margin: .5rem 0 .45rem;
  font-family: var(--ky-sans);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ky-ink);
}

.page-faq .faq-mode p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

/* ---------- 组合建议 ---------- */
.page-faq .faq-combo {
  margin: 1.2rem 0 0;
  padding: 1.05rem 1.1rem;
  border: 1px dashed var(--ky-line-strong);
  border-radius: 2px;
  background: rgba(23, 48, 79, .38);
}

.page-faq .faq-combo__title {
  margin: 0 0 .5rem;
  font-family: var(--ky-sans);
  font-size: .96rem;
  font-weight: 600;
  color: var(--ky-cloud);
}

.page-faq .faq-combo p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: rgba(195, 213, 234, .86);
}

.page-faq .faq-combo__hint {
  margin-top: .7rem !important;
  font-size: .85rem !important;
  color: var(--ky-metal) !important;
}

.page-faq .faq-combo__hint a,
.page-faq .faq-next a {
  color: var(--ky-haze);
  text-decoration: underline;
  text-decoration-color: var(--ky-signal);
  text-underline-offset: 3px;
}

.page-faq .faq-combo__hint a:hover,
.page-faq .faq-next a:hover {
  color: var(--ky-pulse);
}

/* ---------- 电脑端要点 ---------- */
.page-faq .faq-points {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-faq .faq-points li {
  padding-left: 1.05rem;
  border-left: 2px solid var(--ky-line-strong);
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(195, 213, 234, .86);
}

.page-faq .faq-points strong {
  display: block;
  margin-bottom: .18rem;
  font-weight: 600;
  color: var(--ky-cloud);
}

.page-faq .faq-next {
  margin: 1.2rem 0 0;
  max-width: 42rem;
  font-size: .88rem;
  line-height: 1.9;
  color: var(--ky-metal);
}

/* ---------- 折展 ---------- */
.page-faq .faq-more {
  margin: 1.2rem 0 0;
  border: 1px solid var(--ky-line);
  border-radius: 2px;
  background: rgba(10, 26, 47, .62);
}

.page-faq .faq-more > summary {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: .9rem;
  color: var(--ky-haze);
  transition: color .2s var(--ky-ease);
}

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

.page-faq .faq-more > summary::before {
  content: "+";
  font-family: var(--ky-num);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--ky-signal);
}

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

.page-faq .faq-more > summary:hover {
  color: var(--ky-cloud);
}

.page-faq .faq-more__body {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--ky-line);
}

.page-faq .faq-more__body p {
  margin: .85rem 0 0;
  font-size: .89rem;
  line-height: 1.85;
  color: rgba(195, 213, 234, .84);
}

/* ---------- 设置项 ---------- */
.page-faq .faq-settings {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-setting {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .85rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--ky-line);
}

.page-faq .faq-setting:first-child {
  border-top: 1px solid var(--ky-line);
}

.page-faq .faq-setting__no {
  font-family: var(--ky-serif);
  font-weight: 700;
  font-size: 1.45rem;
  line-height: 1.1;
  color: var(--ky-signal);
}

.page-faq .faq-setting h3 {
  margin: 0 0 .3rem;
  font-family: var(--ky-sans);
  font-size: .98rem;
  font-weight: 600;
  color: var(--ky-cloud);
}

.page-faq .faq-setting p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(195, 213, 234, .84);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-step {
    grid-template-columns: 2.4rem minmax(0, 1fr);
    padding: 1.1rem 1.2rem 1.15rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4.5rem);
    padding-top: calc(var(--ky-block) * .8);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 5.5rem;
    margin: 0;
    padding: 0;
    background: none;
    border-bottom: 0;
    backdrop-filter: none;
  }

  .page-faq .faq-rail__list {
    display: block;
    overflow: visible;
  }

  .page-faq .cld-rail__item + .cld-rail__item {
    margin-top: .15rem;
  }

  .page-faq .faq-rail__link {
    display: flex;
    width: 100%;
    padding: .5rem .75rem;
    white-space: normal;
    border: 0;
    border-left: 2px solid var(--ky-line);
    border-radius: 0;
    font-size: .84rem;
  }

  .page-faq .faq-rail__link.is-active,
  .page-faq .faq-rail__link[aria-current="true"] {
    border-left-color: var(--ky-signal);
    background: rgba(23, 48, 79, .55);
    border-radius: 0;
  }

  .page-faq .faq-chapter {
    scroll-margin-top: 5.5rem;
  }
}
<<<END>>>