.page-faq {
  --faq-side-w: 236px;
  --faq-glow-cyan: 0 0 22px -6px rgba(0, 229, 255, 0.6);
  background: var(--deep);
  color: var(--ice);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 46px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 380px at 84% -18%, rgba(0, 229, 255, 0.2), transparent 62%),
    radial-gradient(520px 320px at 2% 122%, rgba(255, 107, 74, 0.16), transparent 66%),
    linear-gradient(175deg, var(--sky) 0%, var(--deep) 82%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(72% 62% at 72% 4%, #000 0%, transparent 78%);
  mask-image: radial-gradient(72% 62% at 72% 4%, #000 0%, transparent 78%);
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

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

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 31px;
  line-height: 1.24;
  letter-spacing: 0.02em;
  margin: 14px 0 16px;
  max-width: 20ch;
  color: var(--ice);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-metric {
  flex: 1 1 132px;
  min-width: 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(18, 43, 82, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-faq .faq-metric b {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.15;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-metric span {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .faq-main {
  order: 1;
  min-width: 0;
}

.page-faq .faq-side {
  order: 2;
  min-width: 0;
}

.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-side__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(18, 43, 82, 0.62);
  color: var(--ice);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-side__list a .mono {
  font-size: 11.5px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
}

.page-faq .faq-side__card {
  margin-top: 22px;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 175, 55, 0.32);
  background:
    radial-gradient(220px 120px at 100% 0%, rgba(212, 175, 55, 0.16), transparent 70%),
    var(--panel);
}

.page-faq .faq-side__card-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-side__card-text {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 筛选 ---------- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .filter-btn {
  appearance: none;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(6, 18, 38, 0.6);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .filter-btn:hover {
  color: var(--ice);
  border-color: rgba(0, 229, 255, 0.5);
}

.page-faq .filter-btn.is-active,
.page-faq .filter-btn[aria-pressed="true"] {
  color: var(--sky);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
  box-shadow: var(--faq-glow-cyan);
}

.page-faq .filter-status {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-faq [data-tags].is-filtered-out {
  display: none;
}

/* ---------- 问答画板 ---------- */
.page-faq .faq-block {
  margin-bottom: 22px;
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-block__head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__num {
  display: inline-block;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 229, 255, 0.35);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
}

.page-faq .faq-block__head h2 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  font-weight: 800;
  color: var(--ice);
}

.page-faq .faq-block__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa:last-child {
  border-bottom: 0;
}

.page-faq .qa summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 16px 42px 16px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ice);
  transition: color 0.18s ease;
}

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

.page-faq .qa summary:hover {
  color: var(--cyan);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  top: 12px;
  right: 6px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.3);
}

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

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

.page-faq .qa__body {
  padding: 0 0 18px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--mist);
}

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

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

.page-faq .qa__body ul {
  margin: 0 0 10px;
  padding-left: 18px;
}

.page-faq .qa__body li {
  margin-bottom: 6px;
}

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

.page-faq .qa__body strong {
  color: var(--ice);
  font-weight: 600;
}

.page-faq .qa__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.5);
}

.page-faq .qa__body a:hover {
  border-bottom-style: solid;
}

.page-faq .qa__body .mono {
  color: var(--ice);
  font-size: 13px;
  word-break: break-all;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  object-fit: cover;
  background: linear-gradient(155deg, var(--panel), var(--sky));
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 礼包状态图例 ---------- */
.page-faq .legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 4px;
}

.page-faq .legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(6, 18, 38, 0.65);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-faq .legend__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-faq .legend__dot--ok {
  background: var(--ok);
  box-shadow: 0 0 10px rgba(46, 230, 168, 0.75);
}

.page-faq .legend__dot--warn {
  background: var(--warn);
  box-shadow: 0 0 10px rgba(255, 176, 32, 0.7);
}

.page-faq .legend__dot--muted {
  background: var(--mist);
  box-shadow: none;
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  margin-top: 4px;
  padding: 26px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 107, 74, 0.32);
  background:
    radial-gradient(340px 180px at 96% -10%, rgba(255, 107, 74, 0.22), transparent 68%),
    radial-gradient(280px 160px at 0% 110%, rgba(212, 175, 55, 0.14), transparent 72%),
    var(--panel);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-next h2 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  font-weight: 800;
  color: var(--ice);
}

.page-faq .faq-next > p {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 20px 0 22px;
}

.page-faq .faq-next__cell {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(6, 18, 38, 0.55);
  min-width: 0;
}

.page-faq .faq-next__key {
  margin: 0 0 4px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-next__val {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 52px 0 62px;
  }

  .page-faq .faq-hero h1 {
    font-size: 44px;
    max-width: 24ch;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-metric b {
    font-size: 30px;
  }

  .page-faq .faq-shell {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-side {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-main {
    order: 0;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-faq .faq-side__list a {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border-color: transparent;
    background: transparent;
    border-left: 2px solid var(--line);
  }

  .page-faq .faq-side__list a:hover,
  .page-faq .faq-side__list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(0, 229, 255, 0.07);
  }

  .page-faq .faq-block {
    padding: 30px 30px 26px;
    margin-bottom: 26px;
  }

  .page-faq .faq-block__head h2 {
    font-size: 25px;
  }

  .page-faq .qa summary {
    font-size: 15.5px;
    padding: 18px 46px 18px 0;
  }

  .page-faq .qa__body {
    font-size: 14.5px;
    padding-right: 24px;
  }

  .page-faq .faq-next {
    padding: 34px 30px;
  }

  .page-faq .faq-next h2 {
    font-size: 25px;
  }

  .page-faq .faq-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero h1 {
    font-size: 48px;
  }

  .page-faq .faq-shell {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-btn,
  .page-faq .qa summary,
  .page-faq .faq-side__list a {
    transition: none;
  }
}
<<<END>>>