.page-faq {
  --faq-pad: clamp(40px, 6vw, 84px);
  --faq-ease: var(--ease);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(14px, 2vw, 22px);
}
.page-faq .faq-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-faq .faq-crumb__list a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--faq-ease);
}
.page-faq .faq-crumb__list a:hover,
.page-faq .faq-crumb__list a:focus-visible {
  color: var(--lime);
}
.page-faq .faq-crumb__sep {
  color: var(--line);
}
.page-faq .faq-crumb__current {
  color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-hero__slab {
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(700px, 94vw);
  height: 150%;
  z-index: -1;
  background: linear-gradient(155deg, var(--ink-2) 0%, rgba(14, 27, 22, 0.45) 58%, rgba(10, 15, 13, 0) 82%);
  clip-path: polygon(36% 0, 100% 0, 100% 100%, 0 100%);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(320px, 44vw);
  height: 3px;
  background: var(--lime);
}
.page-faq .faq-hero__inner {
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: var(--faq-pad);
}
.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 60px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  max-width: 16ch;
  color: var(--paper);
}
.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: clamp(22px, 3vw, 34px);
}
.page-faq .faq-hero__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 通用小标签 ---------- */
.page-faq .faq-eyebrow {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  padding: var(--faq-pad) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-index__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}
.page-faq .faq-index__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.2vw, 27px);
  line-height: 1.25;
  letter-spacing: 0.02em;
}
.page-faq .faq-track {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-faq .faq-track li {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-track a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 2px;
  text-decoration: none;
  color: var(--paper);
  font-size: 15px;
  transition: color 0.2s var(--faq-ease), padding-left 0.2s var(--faq-ease);
}
.page-faq .faq-track a:hover,
.page-faq .faq-track a:focus-visible {
  color: var(--lime);
  padding-left: 10px;
}
.page-faq .faq-track__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.page-faq .faq-index__lead {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 58ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}
.page-faq .faq-index__lead strong {
  color: var(--paper);
  font-weight: 600;
}
.page-faq .faq-index__media {
  margin: 0;
}
.page-faq .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-quick a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--paper);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s var(--faq-ease), color 0.2s var(--faq-ease);
}
.page-faq .faq-quick a::before {
  content: "#";
  font-family: var(--font-mono);
  color: var(--lime);
}
.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

/* ---------- 问答分区 ---------- */
.page-faq .faq-block {
  padding: var(--faq-pad) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.page-faq .faq-block--alt {
  background: var(--ink-2);
}
.page-faq .faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2.2vw, 26px);
  margin-bottom: clamp(18px, 3vw, 30px);
}
.page-faq .faq-block__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--dim);
}
.page-faq .faq-block__titles {
  min-width: 0;
}
.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-faq .faq-block__intro {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}
.page-faq .qa {
  border-bottom: 1px solid var(--line);
  transition: background 0.25s var(--faq-ease);
}
.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(198, 255, 61, 0.06), rgba(198, 255, 61, 0) 62%);
}
.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  list-style: none;
  cursor: pointer;
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.2s var(--faq-ease);
}
.page-faq .qa__q::-webkit-details-marker {
  display: none;
}
.page-faq .qa__q:hover,
.page-faq .qa[open] > .qa__q {
  color: var(--lime);
}
.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}
.page-faq .qa__index {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--dim);
}
.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  transform: translateY(3px);
}
.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--lime);
}
.page-faq .qa__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}
.page-faq .qa__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.25s var(--faq-ease);
}
.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
}
.page-faq .qa__a {
  padding: 0 0 20px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-faq .qa__a p {
  margin: 0 0 10px;
}
.page-faq .qa__a p:last-child {
  margin: 0;
}
.page-faq .qa__a .qa__lead {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}
.page-faq .qa__a a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.35);
}
.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  border-bottom-color: var(--lime);
}
.page-faq .num {
  font-family: var(--font-mono);
  color: var(--lime);
  font-size: 0.96em;
}

/* ---------- 更新时间表 ---------- */
.page-faq .faq-table {
  margin-top: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow-x: auto;
}
.page-faq .faq-table table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
}
.page-faq .faq-table caption {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-faq .faq-table th {
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.page-faq .faq-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  vertical-align: top;
  line-height: 1.6;
}
.page-faq .faq-table tr:last-child td {
  border-bottom: 0;
}
.page-faq .faq-table__item {
  color: var(--paper);
  font-weight: 600;
}
.page-faq .faq-table__time {
  font-family: var(--font-mono);
  color: var(--lime);
  white-space: nowrap;
}
.page-faq .faq-table__note {
  color: var(--muted);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-block--support {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}
.page-faq .faq-support {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}
.page-faq .faq-support__lead {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}
.page-faq .faq-support__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-faq .faq-support__list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-support__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-faq .faq-support__val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--lime);
  word-break: break-word;
}
.page-faq .faq-support__media {
  margin: 0;
}

/* ---------- 延伸阅读 ---------- */
.page-faq .faq-more {
  padding: clamp(30px, 4.4vw, 52px) 0 var(--faq-pad);
  border-top: 1px solid var(--line);
}
.page-faq .faq-more__title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.2vw, 28px);
  letter-spacing: 0.02em;
}
.page-faq .faq-more__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-faq .faq-more__list a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px 16px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transition: background 0.2s var(--faq-ease), color 0.2s var(--faq-ease);
}
.page-faq .faq-more__list a:hover,
.page-faq .faq-more__list a:focus-visible {
  background: var(--ink-2);
  color: var(--lime);
}
.page-faq .faq-more__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
}
.page-faq .faq-more__name {
  font-size: 15px;
  font-weight: 600;
}
.page-faq .faq-more__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__a {
    padding-left: 44px;
  }
  .page-faq .faq-more__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index__grid {
    grid-template-columns: minmax(220px, 4fr) 8fr;
    align-items: start;
  }
  .page-faq .faq-index__track {
    position: sticky;
    top: 92px;
  }
  .page-faq .faq-support {
    grid-template-columns: 6fr 5fr;
  }
  .page-faq .faq-block__titles {
    padding-top: 4px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-more__list {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .faq-hero__lede {
    max-width: 56ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-track a,
  .page-faq .qa__q,
  .page-faq .qa__mark::after,
  .page-faq .qa,
  .page-faq .faq-quick a,
  .page-faq .faq-more__list a {
    transition: none;
  }
  .page-faq .faq-track a:hover {
    padding-left: 2px;
  }
}