.page-faq {
  --faq-radius: 20px;
  --faq-gap: clamp(12px, 1.8vw, 18px);
  position: relative;
  background: var(--k8-black);
  color: var(--k8-ice);
  padding-bottom: clamp(40px, 8vw, 96px);
}

.page-faq::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -140px;
  width: min(600px, 92vw);
  height: min(600px, 92vw);
  background: radial-gradient(circle, rgba(47, 123, 255, 0.26), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .k8-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-shell {
  padding-top: clamp(10px, 2vw, 20px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(20px, 4vw, 44px) 0 clamp(26px, 5vw, 56px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--k8-ice);
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 4px;
  margin-top: 22px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--k8-blue), var(--k8-green));
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: var(--k8-body);
  line-height: var(--k8-lh);
  color: #b9cbe2;
}

.page-faq .faq-jump {
  border: 1px solid var(--k8-line);
  border-radius: var(--k8-r-lg);
  background: linear-gradient(158deg, rgba(22, 38, 58, 0.95), rgba(6, 9, 16, 0.9) 74%);
  padding: clamp(18px, 3vw, 26px);
  align-self: end;
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-jump__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 10px 8px;
  border-radius: 10px;
  color: #c9d8ec;
  font-size: 15px;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-jump__list a:hover,
.page-faq .faq-jump__list a:focus-visible {
  background: rgba(47, 123, 255, 0.14);
  color: var(--k8-ice);
  transform: translateX(3px);
}

.page-faq .faq-jump__num {
  font-size: 12px;
  color: var(--k8-green);
}

/* ---------- 筛选条 ---------- */

.page-faq .faq-bar {
  position: sticky;
  top: 0;
  z-index: 6;
  display: grid;
  gap: 8px;
  padding: 12px 0 14px;
  background: linear-gradient(180deg, rgba(6, 9, 16, 0.97) 66%, rgba(6, 9, 16, 0.6));
  border-bottom: 1px solid var(--k8-line);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-faq .faq-bar__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--k8-mist);
}

.page-faq .faq-filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

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

.page-faq .faq-chip {
  flex: none;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--k8-line);
  background: rgba(22, 38, 58, 0.72);
  color: #b9cbe2;
  font: inherit;
  font-size: 14px;
  line-height: 1;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-chip:hover {
  border-color: rgba(47, 123, 255, 0.6);
  color: var(--k8-ice);
}

.page-faq .faq-chip[aria-pressed="true"] {
  background: var(--k8-blue);
  border-color: var(--k8-blue);
  color: #04101f;
  font-weight: 700;
}

/* ---------- 区块骨架 ---------- */

.page-faq .faq-block {
  padding: clamp(30px, 6vw, 62px) 0;
  border-top: 1px solid var(--k8-line);
  scroll-margin-top: 96px;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px clamp(14px, 2vw, 24px);
  align-items: start;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-block__num {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  line-height: 1;
  padding-top: 4px;
  color: var(--k8-blue);
}

.page-faq .faq-block__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--k8-ice);
}

.page-faq .faq-block__note {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--k8-mist);
}

/* ---------- 配图 ---------- */

.page-faq .faq-media {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--k8-line);
  border-radius: var(--k8-r-lg);
  background: linear-gradient(140deg, var(--k8-indigo), var(--k8-black) 78%);
  overflow: hidden;
}

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

.page-faq .faq-media__cap {
  padding: 12px 18px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--k8-mist);
}

/* ---------- 问答折叠项 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-item {
  border: 1px solid var(--k8-line);
  border-radius: var(--k8-r-md);
  background: rgba(15, 26, 40, 0.72);
  overflow: hidden;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(47, 123, 255, 0.36);
}

.page-faq .faq-item[open] {
  border-color: rgba(47, 123, 255, 0.58);
  background: rgba(22, 38, 58, 0.92);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px 14px;
  align-items: center;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  -webkit-user-select: none;
  user-select: none;
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__idx {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--k8-mist);
  padding-top: 2px;
}

.page-faq .faq-item__text {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--k8-ice);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 24px;
  height: 24px;
  border: 1px solid var(--k8-line);
  border-radius: 50%;
  flex: none;
  transition: border-color 0.2s ease;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--k8-green);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-item__mark::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  width: 2px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: rgba(79, 240, 165, 0.5);
}

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

.page-faq .faq-item__a {
  padding: 14px 16px 18px;
  border-top: 1px solid rgba(35, 56, 79, 0.85);
  animation: faqDrop 0.24s ease both;
}

@keyframes faqDrop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: #c2d3e8;
}

.page-faq .faq-item__a p:last-of-type {
  margin-bottom: 10px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15.5px;
  line-height: 1.75;
  color: #c2d3e8;
}

.page-faq .faq-steps__n {
  font-family: var(--k8-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  line-height: 1.7;
  min-width: 24px;
  padding: 0 6px;
  text-align: center;
  color: var(--k8-green);
  background: rgba(12, 42, 32, 0.72);
  border: 1px solid rgba(79, 240, 165, 0.35);
  border-radius: 6px;
}

.page-faq .faq-item__back {
  display: inline-block;
  margin-top: 2px;
  font-size: 12.5px;
  color: var(--k8-mist);
  text-decoration: none;
  border-bottom: 1px dashed rgba(147, 167, 192, 0.42);
  padding-bottom: 1px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-item__back:hover,
.page-faq .faq-item__back:focus-visible {
  color: var(--k8-green);
  border-bottom-color: var(--k8-green);
}

/* ---------- 人工协助 ---------- */

.page-faq .faq-block--help {
  border-top: 1px solid var(--k8-line);
}

.page-faq .faq-help {
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__card {
  border: 1px solid var(--k8-line);
  border-radius: var(--k8-r-md);
  background: linear-gradient(160deg, rgba(22, 38, 58, 0.9), rgba(6, 9, 16, 0.82));
  padding: 20px 18px;
}

.page-faq .faq-help__title {
  margin: 0 0 12px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--k8-mist);
}

.page-faq .faq-help__card > p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #b5c7de;
}

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

.page-faq .faq-help__main {
  font-size: 16px !important;
  font-weight: 700;
  line-height: 1.5 !important;
  color: var(--k8-ice) !important;
  word-break: break-word;
}

.page-faq .faq-help__foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--k8-mist);
}

.page-faq .faq-help__foot a {
  color: var(--k8-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 123, 255, 0.42);
}

.page-faq .faq-help__foot a:hover,
.page-faq .faq-help__foot a:focus-visible {
  color: var(--k8-green);
  border-bottom-color: var(--k8-green);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-item__q {
    padding: 18px 22px;
    gap: 14px 18px;
  }

  .page-faq .faq-item__a {
    padding: 16px 22px 22px;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(268px, 1fr);
    align-items: end;
  }

  .page-faq .faq-block__head {
    grid-template-columns: auto minmax(0, 0.62fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .faq-block__head > div {
    grid-column: 2;
  }

  .page-faq .faq-block__note {
    margin-top: 4px;
  }

  .page-faq .faq-block__num {
    font-size: 46px;
    align-self: start;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-list .faq-item:first-child {
    grid-column: 1 / -1;
  }

  .page-faq .faq-media {
    max-width: 880px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

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