.page-faq {
  --faq-c: var(--green);
  --faq-panel: linear-gradient(180deg, rgba(11, 33, 56, .92), rgba(5, 16, 31, .78));
  --faq-overlay: rgba(234, 242, 255, .06);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 56px) 0 46px;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(61, 255, 158, .16), transparent 58%),
    radial-gradient(90% 80% at 94% 8%, rgba(164, 107, 255, .16), transparent 62%),
    linear-gradient(180deg, #071528 0%, var(--ink-900) 82%);
  isolation: isolate;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(27, 60, 94, .38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 60, 94, .38) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(80% 72% at 72% 8%, #000, transparent 72%);
  mask-image: radial-gradient(80% 72% at 72% 8%, #000, transparent 72%);
  opacity: .55;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 18px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--green-soft);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 6vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(234, 242, 255, .86);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-right: 26px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-hero__stats li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-num {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}

.page-faq .faq-hero__stattext {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .02em;
}

/* ---------- 场景索引 ---------- */
.page-faq .faq-scenes {
  padding: 52px 0 12px;
}

.page-faq .faq-scenes__head {
  margin-bottom: 22px;
}

.page-faq .faq-scenes__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  letter-spacing: -.015em;
}

.page-faq .faq-scenes__head .label {
  color: var(--orange);
}

.page-faq .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .scene-card {
  --faq-c: var(--green);
  position: relative;
  display: grid;
  gap: 6px;
  height: 100%;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--faq-c);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  color: inherit;
  text-decoration: none;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.page-faq .scene-card--subscribe { --faq-c: var(--violet); }
.page-faq .scene-card--family { --faq-c: var(--orange); }
.page-faq .scene-card--stats { --faq-c: var(--green-soft); }
.page-faq .scene-card--safety { --faq-c: var(--paper); }

.page-faq .scene-card:hover,
.page-faq .scene-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-up);
  outline: none;
}

.page-faq .scene-card__idx {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--faq-c);
}

.page-faq .scene-card__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: -.01em;
}

.page-faq .scene-card__q {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .scene-card__go {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--faq-c);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  padding: 40px 0 8px;
}

.page-faq .faq-body__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-aside__label {
  color: var(--muted);
  margin-bottom: 12px;
}

.page-faq .faq-nav {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 33, 56, .7);
  color: var(--paper);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease;
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  border-color: var(--green);
  background: rgba(61, 255, 158, .1);
  outline: none;
}

.page-faq .faq-nav__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex: none;
}

.page-faq .faq-nav__dot--violet { background: var(--violet); }
.page-faq .faq-nav__dot--orange { background: var(--orange); }
.page-faq .faq-nav__dot--soft { background: var(--green-soft); }
.page-faq .faq-nav__dot--paper { background: var(--paper); }

.page-faq .faq-aside__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-aside__note a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 过滤条 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}

/* ---------- 场景分组 ---------- */
.page-faq .faq-block {
  --faq-c: var(--green);
  padding-top: 26px;
  margin-top: 26px;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-block--subscribe { --faq-c: var(--violet); }
.page-faq .faq-block--family { --faq-c: var(--orange); }
.page-faq .faq-block--stats { --faq-c: var(--green-soft); }
.page-faq .faq-block--safety { --faq-c: var(--paper); }

.page-faq .faq-block__head {
  display: grid;
  gap: 6px;
}

.page-faq .faq-block__idx {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--faq-c);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.6vw, 1.8rem);
  letter-spacing: -.015em;
}

.page-faq .faq-block__lede {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 60ch;
}

/* ---------- 三步自查 ---------- */
.page-faq .check-track {
  margin: 18px 0 4px;
  padding: 16px 14px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 33, 56, .62);
}

.page-faq .check-track__title {
  color: var(--faq-c);
}

.page-faq .check-track__list {
  display: grid;
  gap: 4px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .check-step {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 10px;
  border-radius: var(--radius-sm);
  transition: background .2s ease;
}

.page-faq .check-step:hover,
.page-faq .check-step:focus-within {
  background: var(--faq-overlay);
}

.page-faq .check-step__n {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--faq-c);
  border-radius: 50%;
  background: rgba(5, 16, 31, .85);
  color: var(--faq-c);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .check-step__t {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(234, 242, 255, .9);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-panel);
  overflow: hidden;
}

.page-faq .faq-figure--tall {
  max-width: 340px;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color .2s ease;
}

.page-faq .qa[open] {
  border-color: var(--faq-c);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -3px;
}

.page-faq .qa__q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  color: var(--faq-c);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
}

.page-faq .qa__tag {
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.5;
  white-space: nowrap;
}

.page-faq .qa__tag--op {
  border: 1px solid rgba(61, 255, 158, .42);
  background: rgba(61, 255, 158, .14);
  color: var(--green-soft);
}

.page-faq .qa__tag--limit {
  border: 1px solid rgba(255, 138, 43, .42);
  background: rgba(255, 138, 43, .14);
  color: var(--orange);
}

.page-faq .qa__tag--note {
  border: 1px solid rgba(164, 107, 255, .42);
  background: rgba(164, 107, 255, .14);
  color: var(--violet);
}

.page-faq .qa__text {
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.62;
  color: var(--paper);
}

.page-faq .qa__a {
  padding: 13px 15px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 242, 255, .88);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

.page-faq .qa__result {
  padding-left: 12px;
  border-left: 2px solid var(--green);
  color: var(--green-soft);
  font-size: 13.5px;
}

.page-faq .qa__links a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .hl {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--paper);
  border-bottom: 2px solid var(--green);
  padding-bottom: 1px;
}

/* ---------- 升级求助 ---------- */
.page-faq .faq-escalate {
  padding: 50px 0 72px;
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(255, 138, 43, .13), transparent 62%),
    linear-gradient(180deg, rgba(11, 33, 56, .55), rgba(5, 16, 31, .95));
}

.page-faq .faq-escalate__inner {
  display: grid;
  gap: 20px;
}

.page-faq .escalate-card {
  padding: 26px 22px 24px;
  border-radius: var(--radius);
  background: var(--paper-white);
  color: var(--ink-on-paper);
}

.page-faq .escalate-card__label {
  color: var(--ink-on-paper);
  opacity: .55;
}

.page-faq .escalate-card h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.8vw, 1.9rem);
  letter-spacing: -.02em;
  line-height: 1.25;
}

.page-faq .escalate-card__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(10, 26, 43, .78);
  max-width: 58ch;
}

.page-faq .prep-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .prep-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 14px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(11, 33, 56, .06);
}

.page-faq .prep-item__n {
  font-size: 15px;
  font-weight: 700;
  color: #177a4c;
  line-height: 1.6;
}

.page-faq .prep-item__t {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(10, 26, 43, .84);
}

.page-faq .prep-item__t strong {
  color: var(--ink-on-paper);
  font-weight: 700;
}

.page-faq .escalate-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .escalate-side {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 33, 56, .72);
}

.page-faq .escalate-side .label {
  color: var(--orange);
}

.page-faq .escalate-side__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 242, 255, .88);
}

.page-faq .escalate-side__text--muted {
  color: var(--muted);
  font-size: 13px;
}

.page-faq .escalate-side__link {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--green);
  color: var(--green);
  font-size: 14px;
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 72px);
    padding-bottom: 58px;
  }

  .page-faq .check-track {
    padding: 18px 16px 12px;
  }

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

  .page-faq .check-step + .check-step::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 16%;
    width: 1px;
    height: 68%;
    background: var(--line);
  }

  .page-faq .qa__q {
    padding: 14px 18px;
  }

  .page-faq .qa__a {
    padding: 14px 18px 18px;
  }

  .page-faq .faq-escalate__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }

  .page-faq .escalate-card {
    padding: 30px 28px 28px;
  }
}

@media (min-width: 1000px) {
  .page-faq .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-body__inner {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-right: 18px;
    border-right: 1px solid var(--line-soft);
  }

  .page-faq .faq-nav {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-nav__link {
    justify-content: flex-start;
    width: 100%;
    padding: 9px 12px;
    border-color: transparent;
    border-radius: var(--radius-sm);
    background: transparent;
  }

  .page-faq .faq-nav__link:hover,
  .page-faq .faq-nav__link:focus-visible {
    border-color: var(--line);
    background: rgba(61, 255, 158, .08);
  }

  .page-faq .faq-block:first-of-type {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .scene-card,
  .page-faq .check-step,
  .page-faq .qa,
  .page-faq .faq-nav__link {
    transition: none;
  }

  .page-faq .scene-card:hover,
  .page-faq .scene-card:focus-visible {
    transform: none;
  }
}
<<<END>>>