.page-faq {
  --faq-index-w: 208px;
  padding-bottom: 88px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: 24px;
  padding-bottom: 4px;
}
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.page-faq .breadcrumb a {
  color: var(--soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 26px;
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-hero .kicker {
  display: block;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 24ch;
  font-size: clamp(28px, 5.4vw, 48px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-faq .faq-hero .lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--soft);
}
.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-dim);
  font-size: 13px;
  color: var(--muted);
}
.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}
.page-faq .faq-hero-facts .num {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-layout {
  padding-top: 30px;
}

.page-faq .faq-index {
  margin-bottom: 32px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: 15px 0 10px;
}
.page-faq .faq-index-title {
  margin: 0 0 10px;
  padding: 0 16px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-faq .faq-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 16px 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-index-list li {
  flex: 0 0 auto;
}
.page-faq .faq-index-link {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--soft);
  text-decoration: none;
  border: 1px solid var(--line-dim);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--ice);
  border-color: var(--line-strong);
}
.page-faq .faq-index-link.is-active,
.page-faq .faq-index-link[aria-current] {
  color: var(--bg);
  background: var(--ice);
  border-color: var(--ice);
}

/* ---------- 章节块 ---------- */
.page-faq .faq-block {
  padding-top: 34px;
  padding-bottom: 46px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--topbar) + var(--quick) + 16px);
}
.page-faq .faq-flow > .faq-block:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-faq .faq-block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}
.page-faq .faq-block .chapter-num {
  flex: 0 0 auto;
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ice);
  opacity: 0.6;
}
.page-faq .faq-block .chapter-title {
  margin: 0;
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.page-faq .faq-block-lede {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--soft);
}

/* ---------- 01 高频三问 ---------- */
.page-faq .faq-quick-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .faq-quick-item {
  background: var(--panel-2);
  padding: 20px 18px 22px;
}
.page-faq .faq-quick-q {
  display: flex;
  gap: 9px;
  margin: 0 0 9px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}
.page-faq .faq-quick-q::before {
  content: "?";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold);
}
.page-faq .faq-quick-a {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--soft);
  overflow-wrap: anywhere;
}
.page-faq .faq-key {
  color: var(--ice);
  border-bottom: 1px dashed rgba(127, 211, 242, 0.55);
  padding-bottom: 1px;
}

/* ---------- 02 四类玩法 ---------- */
.page-faq .faq-rule-wrap {
  display: grid;
  gap: 26px;
}
.page-faq .faq-rule-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .faq-rule {
  background: var(--panel-2);
  padding: 20px 18px 22px;
}
.page-faq .faq-rule-tag {
  display: block;
  margin-bottom: 8px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-faq .faq-rule:nth-child(1) .faq-rule-tag { color: var(--gold); }
.page-faq .faq-rule:nth-child(2) .faq-rule-tag { color: var(--ice); }
.page-faq .faq-rule:nth-child(3) .faq-rule-tag { color: var(--cyan); }
.page-faq .faq-rule:nth-child(4) .faq-rule-tag { color: var(--hot); }
.page-faq .faq-rule-name {
  margin: 0 0 9px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-faq .faq-rule p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--soft);
  overflow-wrap: anywhere;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--panel-2);
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  padding-left: 11px;
  border-left: 2px solid var(--line-strong);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-faq .faq-figure--wide {
  margin-top: 30px;
}

/* ---------- 03 名词表 ---------- */
.page-faq .faq-terms {
  margin: 0;
  border-top: 1px solid var(--line-dim);
}
.page-faq .faq-term {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dim);
}
.page-faq .faq-term dt {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-faq .faq-term dd {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--soft);
  overflow-wrap: anywhere;
}

/* ---------- 04 折叠问答 ---------- */
.page-faq .faq-qa-list {
  border-top: 1px solid var(--line-dim);
}
.page-faq .faq-qa {
  border-bottom: 1px solid var(--line-dim);
  transition: background-color 0.2s var(--ease);
}
.page-faq .faq-qa[open] {
  background: linear-gradient(90deg, rgba(127, 211, 242, 0.06), rgba(127, 211, 242, 0) 46%);
}
.page-faq .faq-qa-q {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 18px 36px 18px 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}
.page-faq .faq-qa-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-qa-q::before {
  content: "Q";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  border: 1px solid var(--line-strong);
}
.page-faq .faq-qa-q::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--soft);
  border-bottom: 1.5px solid var(--soft);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-qa[open] .faq-qa-q::after {
  top: 27px;
  transform: rotate(-135deg);
  border-color: var(--ice);
}
.page-faq .faq-qa:hover .faq-qa-q,
.page-faq .faq-qa[open] .faq-qa-q {
  color: var(--ice);
}
.page-faq .faq-qa-q:focus-visible {
  outline: 1px solid var(--ice);
  outline-offset: 4px;
}
.page-faq .faq-qa-a {
  padding: 0 20px 20px 32px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--soft);
  overflow-wrap: anywhere;
}

/* 名词提示 */
.page-faq .faq-tip {
  position: relative;
  color: var(--ice);
  border-bottom: 1px dashed rgba(127, 211, 242, 0.5);
  cursor: help;
}
.page-faq .faq-tip::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 9px);
  transform: translateX(-50%);
  z-index: 6;
  width: max-content;
  max-width: min(240px, 72vw);
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.65;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s var(--ease), visibility 0.18s var(--ease);
}
.page-faq .faq-tip:hover::after,
.page-faq .faq-tip:focus-visible::after {
  opacity: 1;
  visibility: visible;
}
@media (hover: none) {
  .page-faq .faq-tip::after {
    display: none;
  }
}

/* ---------- 05 联系 ---------- */
.page-faq .faq-help-card {
  padding: 24px 20px 26px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(127, 211, 242, 0.08), rgba(127, 211, 242, 0) 58%),
    var(--panel-2);
}
.page-faq .faq-help-intro {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--soft);
}
.page-faq .faq-contact {
  display: grid;
  gap: 1px;
  margin: 0 0 20px;
  padding: 0;
  background: var(--line-dim);
  border: 1px solid var(--line-dim);
}
.page-faq .faq-contact > div {
  padding: 14px 16px;
  background: var(--bg);
}
.page-faq .faq-contact dt {
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-faq .faq-contact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.page-faq .faq-contact dd a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}
.page-faq .faq-contact dd a:hover,
.page-faq .faq-contact dd a:focus-visible {
  border-bottom-color: var(--ice);
}
.page-faq .faq-help-note {
  margin: 0 0 22px;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--soft);
}
.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-more {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-dim);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-faq .faq-more a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.2s var(--ease);
}
.page-faq .faq-more a:hover,
.page-faq .faq-more a:focus-visible {
  border-bottom-color: var(--ice);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-quick-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-rule-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .faq-term {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
  .page-faq .faq-term dd {
    margin-top: 0;
  }
  .page-faq .faq-qa-a {
    padding-left: 32px;
    padding-right: 56px;
  }
  .page-faq .faq-help-card {
    padding: 30px 28px 32px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 46px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar) + var(--quick) + 20px);
    margin-bottom: 0;
    padding: 18px 0 12px;
  }
  .page-faq .faq-index-list {
    display: block;
    padding: 0;
    overflow: visible;
  }
  .page-faq .faq-index-link {
    padding: 9px 18px 9px 16px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    line-height: 1.5;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
  }
  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    color: var(--ice);
    background: rgba(127, 211, 242, 0.05);
    border-left-color: var(--line-strong);
  }
  .page-faq .faq-index-link.is-active,
  .page-faq .faq-index-link[aria-current] {
    color: var(--ice);
    background: rgba(127, 211, 242, 0.08);
    border-left-color: var(--ice);
  }
  .page-faq .faq-rule-wrap {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 32px;
    align-items: start;
  }
  .page-faq .faq-figure--wide {
    margin-top: 34px;
  }
  .page-faq .faq-block {
    padding-top: 40px;
    padding-bottom: 54px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-block-lede {
    max-width: 66ch;
  }
  .page-faq .faq-quick-item {
    padding: 24px 22px 26px;
  }
  .page-faq .faq-rule {
    padding: 24px 22px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-link,
  .page-faq .faq-qa,
  .page-faq .faq-qa-q,
  .page-faq .faq-qa-q::after,
  .page-faq .faq-tip::after,
  .page-faq .breadcrumb a,
  .page-faq .faq-contact dd a,
  .page-faq .faq-more a {
    transition: none;
  }
}
<<<END>>>