.page-faq {
  --faq-line-dark: rgba(198, 212, 230, 0.22);
  --faq-line-light: rgba(34, 40, 47, 0.12);
  --faq-card-light: rgba(255, 255, 255, 0.74);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-faq .faq-hero__frame {
  margin-top: clamp(18px, 3vw, 30px);
  padding: clamp(22px, 3.6vw, 46px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  color: var(--ink-on-dark);
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--ink-quiet-dark);
}

.page-faq .faq-hero__panel {
  align-self: end;
  padding: 20px 22px;
  border-radius: var(--r-card);
  border: 1px solid rgba(111, 217, 208, 0.3);
  background: rgba(16, 41, 74, 0.72);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-kai);
}

.page-faq .faq-hero__panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-hero__panel li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-quiet-dark);
}

.page-faq .faq-hero__panel .yk-num {
  color: var(--c-data);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ---------- 分类跳到分组 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-jump__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(111, 217, 208, 0.42);
  background: rgba(111, 217, 208, 0.06);
  color: var(--ink-on-dark);
  font-size: 15px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-jump__item .yk-num {
  font-size: 12px;
  color: var(--c-kai);
  letter-spacing: 0.1em;
}

.page-faq .faq-jump__item:hover {
  background: rgba(111, 217, 208, 0.16);
  border-color: var(--c-kai);
  transform: translateY(-2px);
}

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

/* ---------- 首屏横幅图 ---------- */
.page-faq .faq-banner {
  margin-top: clamp(24px, 3.4vw, 38px);
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--faq-line-dark);
  background: linear-gradient(140deg, rgba(16, 41, 74, 0.9), rgba(10, 23, 48, 0.96));
  aspect-ratio: 2 / 1;
}

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

/* ---------- 纸面问答区 ---------- */
.page-faq .faq-body {
  color: var(--ink-on-light);
}

.page-faq .faq-groups {
  display: block;
}

.page-faq .faq-group {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5.4vw, 64px);
  padding-top: clamp(36px, 5.4vw, 64px);
  border-top: 1px dashed rgba(34, 40, 47, 0.18);
}

.page-faq .faq-group__no {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--c-rust);
}

.page-faq .faq-group__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-on-light);
}

.page-faq .faq-group__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-quiet-light);
  max-width: 30ch;
}

.page-faq .faq-shot {
  margin-top: 22px;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid rgba(34, 40, 47, 0.14);
  background: var(--c-gold);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-faq .faq-shot .yk-media__cap {
  margin: 0;
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-quiet-light);
  background: rgba(255, 255, 255, 0.6);
}

/* ---------- 折叠问答卡片 ---------- */
.page-faq .faq-list {
  display: block;
}

.page-faq .faq-item {
  background: var(--faq-card-light);
  border: 1px solid rgba(34, 40, 47, 0.1);
  border-radius: var(--r-card);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 12px;
}

.page-faq .faq-item:hover {
  border-color: rgba(111, 217, 208, 0.85);
  transform: translateY(-3px);
  box-shadow: 0 16px 28px -22px rgba(10, 23, 48, 0.7);
}

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

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 46px 1fr 22px;
  align-items: start;
  gap: 14px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-on-light);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid #0E8C86;
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-rust);
  padding-top: 4px;
}

.page-faq .faq-item__text {
  display: block;
}

.page-faq .faq-item__mark {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(34, 40, 47, 0.28);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink-on-light);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 10px;
}

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

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--c-signal);
}

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

.page-faq .faq-item__body {
  padding: 0 20px 20px;
}

.page-faq .faq-item__inner p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-on-light);
}

.page-faq .faq-item__inner p + p {
  margin-top: 10px;
}

.page-faq .faq-item__meta {
  font-size: 13px;
  color: var(--ink-quiet-light);
}

.page-faq .faq-item__meta a {
  color: #0E7C77;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__meta a:hover {
  color: var(--c-rust);
}

.page-faq .faq-item[open] .faq-item__inner {
  animation: faqDrop var(--dur) var(--ease) both;
}

@keyframes faqDrop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-help__grid {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-faq .faq-help__lead {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--ink-quiet-dark);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-channels {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-channel {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 18px 20px;
  border-radius: var(--r-card);
  border: 1px solid rgba(111, 217, 208, 0.3);
  background: rgba(16, 41, 74, 0.72);
}

.page-faq .faq-channel__label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

.page-faq .faq-channel__value {
  margin: 0;
  font-family: var(--f-mono);
  font-size: clamp(15px, 2.2vw, 18px);
  letter-spacing: 0.02em;
  color: var(--ink-on-dark);
  word-break: break-all;
}

.page-faq .faq-help__note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-quiet-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(30px, 4vw, 52px);
  }

  .page-faq .faq-group {
    grid-template-columns: minmax(200px, 262px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-group__aside {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .faq-item__q {
    padding: 19px 24px;
  }

  .page-faq .faq-item__body {
    padding: 0 24px 22px 84px;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-item__q {
    grid-template-columns: 40px 1fr 20px;
    gap: 10px;
    padding: 15px 16px;
  }

  .page-faq .faq-item__body {
    padding: 0 16px 18px;
  }

  .page-faq .faq-hero__panel li {
    grid-template-columns: 68px 1fr;
    gap: 10px;
  }

  .page-faq .faq-jump__item {
    padding: 9px 15px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump__item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__inner {
    animation: none;
  }
}
<<<END>>>