.page-faq {
  --faq-index-w: 232px;
  --faq-gap: clamp(28px, 4vw, 72px);
  padding-bottom: var(--sec);
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: end;
  padding: clamp(28px, 5vw, 64px) 0 clamp(36px, 6vw, 88px);
  max-width: none;
}

.page-faq .faq-head__text {
  display: grid;
  gap: clamp(14px, 1.6vw, 22px);
  max-width: 34em;
}

.page-faq .faq-head__text .kicker {
  margin: 0;
}

.page-faq .faq-head__text .page-head__title {
  margin: 0;
  font-size: clamp(32px, 6.4vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--bone);
}

.page-faq .faq-head__text .page-head__lede {
  margin: 0;
  max-width: 31em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-faq .faq-head__art {
  position: relative;
}

.page-faq .faq-head__art::before {
  content: "";
  position: absolute;
  inset: -18px -18px auto auto;
  width: 76px;
  height: 76px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-head__art .media__frame {
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(14, 58, 71, 0.5) 0%, rgba(6, 8, 15, 0) 62%),
    var(--ink-900);
  overflow: hidden;
}

.page-faq .faq-head__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 6;
}

.page-faq .faq-head__art .media__caption {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 0;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

/* ---------- 问题索引 ---------- */
.page-faq .faq-index {
  position: relative;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-faq .faq-index__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  writing-mode: horizontal-tb;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-index__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--mist);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  transition: color 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--bone);
  border-color: var(--cyan);
}

.page-faq .faq-index__link.is-active {
  color: var(--bone);
  border-color: var(--cyan);
  background: rgba(53, 230, 240, 0.08);
}

.page-faq .faq-index__num {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 答案区 ---------- */
.page-faq .faq-answers {
  min-width: 0;
  display: grid;
  gap: clamp(34px, 4vw, 56px);
}

.page-faq .faq-block {
  scroll-margin-top: 90px;
  display: grid;
  gap: clamp(18px, 2.2vw, 30px);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__idx {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--bone);
}

.page-faq .faq-block__lede {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-block p {
  margin: 0;
}

/* ---------- 三步步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background-color 0.22s ease;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 0.36s ease;
}

.page-faq .faq-step:hover::before {
  width: 100%;
}

.page-faq .faq-step__no {
  font-size: 20px;
  line-height: 1.2;
  color: var(--amber);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-step__body p {
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 事实条 ---------- */
.page-faq .faq-factbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(14, 58, 71, 0.45) 0%, rgba(6, 8, 15, 0) 72%);
}

.page-faq .faq-factbar__key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-factbar__val {
  font-size: 26px;
  line-height: 1.1;
  color: var(--amber);
}

.page-faq .faq-factbar__note {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 分隔线 ---------- */
.page-faq .faq-divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--gobi) 0 48px, var(--line) 48px 100%);
  opacity: 0.7;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-folds {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .fold__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--bone);
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  transition: color 0.22s ease;
}

.page-faq .fold__trigger:hover,
.page-faq .fold__trigger:focus-visible {
  color: var(--cyan);
}

.page-faq .fold__sign {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  position: relative;
}

.page-faq .fold__sign::before,
.page-faq .fold__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.26s ease, opacity 0.26s ease;
}

.page-faq .fold__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-faq .fold__sign::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-faq .fold[data-open="true"] .fold__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .fold__body {
  padding: 0 0 20px 28px;
}

.page-faq .fold__body p {
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .fold:not([data-open="true"]) .fold__body {
  display: none;
}

/* ---------- 章节内问答 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-qa__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-qa__q {
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
}

.page-faq .faq-qa__item p {
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-qa__item a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 240, 0.4);
}

.page-faq .faq-qa__item a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 状态标签组 ---------- */
.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-tags .tag {
  padding: 5px 12px;
  border: 1px solid currentColor;
  font-size: 12px;
  letter-spacing: 0.08em;
  background: transparent;
}

.page-faq .faq-tags .tag--live {
  color: var(--lime);
}

.page-faq .faq-tags .tag--next {
  color: var(--cyan);
}

.page-faq .faq-tags .tag--off {
  color: var(--mist);
}

/* ---------- 图 ---------- */
.page-faq .faq-media .media__frame {
  border: 1px solid var(--line);
  background: var(--ink-900);
  overflow: hidden;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 5;
}

.page-faq .faq-media .media__caption {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 面板 ---------- */
.page-faq .faq-grid {
  gap: 0;
}

.page-faq .faq-panel {
  border: 1px solid var(--line);
  padding: 20px 20px 22px;
  display: grid;
  gap: 8px;
  align-content: start;
  position: relative;
  overflow: hidden;
  transition: background-color 0.22s ease;
}

.page-faq .faq-panel::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 0.4s ease;
}

.page-faq .faq-panel:hover::after {
  width: 100%;
}

.page-faq .faq-panel:hover {
  background: rgba(34, 48, 107, 0.18);
}

.page-faq .faq-panel .panel__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-panel .panel__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .faq-panel .panel__body p {
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-faq .faq-contact__card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-contact__key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  font-size: 17px;
  line-height: 1.5;
  color: var(--bone);
  word-break: break-word;
}

.page-faq .faq-contact__foot {
  border: 1px solid var(--line);
  border-left: 2px solid var(--gobi);
  padding: 16px 18px;
  background: rgba(34, 48, 107, 0.14);
}

.page-faq .faq-contact__note {
  max-width: 42em;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-contact__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 240, 0.4);
}

.page-faq .faq-contact__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 尾部 ---------- */
.page-faq .faq-tail {
  display: grid;
  gap: 18px;
  padding: 26px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-tail__line {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--bone);
  max-width: 26em;
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-head {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-factbar {
    grid-template-columns: auto auto 1fr;
    align-items: baseline;
    gap: 18px;
  }

  .page-faq .faq-factbar__note {
    text-align: right;
  }

  .page-faq .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
    padding-top: 0;
    border-top: 0;
  }

  .page-faq .faq-index__label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    height: 92px;
    margin: 0 0 16px;
    padding-left: 2px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }

  .page-faq .faq-index__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-left: 1px solid var(--line);
    padding: 10px 0 10px 14px;
    white-space: normal;
  }

  .page-faq .faq-index__link.is-active {
    background: linear-gradient(90deg, rgba(53, 230, 240, 0.1) 0%, rgba(53, 230, 240, 0) 88%);
    border-left-color: var(--cyan);
  }

  .page-faq .faq-step {
    grid-template-columns: 72px 1fr;
    padding: 26px 0;
  }

  .page-faq .faq-step__no {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step::before,
  .page-faq .faq-panel::after,
  .page-faq .fold__sign::before,
  .page-faq .fold__sign::after {
    transition: none;
  }
}