.page-faq {
  --faq-index-w: 226px;
  --faq-radius: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4.5vw, 60px) 0 clamp(26px, 4vw, 52px);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(217, 178, 106, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(11, 30, 45, 0.92), rgba(11, 30, 45, 0));
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__grid {
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-h1);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--c-ivory);
  max-width: 17ch;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.2vw, 26px) 0 0;
  max-width: 46ch;
  color: var(--text-soft);
  font-size: var(--step-body);
  line-height: 1.78;
}

.page-faq .faq-hero__aside {
  margin-top: 30px;
}

.page-faq .faq-status {
  position: relative;
  overflow: hidden;
}

.page-faq .faq-status::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-amber), rgba(217, 178, 106, 0.4) 46%, transparent);
}

.page-faq .faq-status .status {
  margin-top: 14px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__aside {
    margin-top: 6px;
  }
}

/* ---------- 主板：索引 + 内容流 ---------- */
.page-faq .faq-board-section {
  padding: clamp(6px, 1.6vw, 18px) 0 clamp(40px, 6vw, 88px);
}

.page-faq .faq-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 36px);
}

@media (min-width: 900px) {
  .page-faq .faq-board {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(34px, 4.4vw, 68px);
    align-items: start;
  }
}

/* 左侧问题索引 */
.page-faq .faq-index__stick {
  position: relative;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 6px;
  display: flex;
  gap: 9px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-block;
  padding: 8px 13px;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-soft);
  text-decoration: none;
  border: 1px solid var(--line);
  white-space: nowrap;
  transition: color 0.22s var(--ease-shuffle), border-color 0.22s var(--ease-shuffle);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--c-ivory);
  border-color: rgba(245, 154, 60, 0.6);
}

.page-faq .faq-index__hint {
  margin: 18px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-faq .faq-index__hint a {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 154, 60, 0.42);
}

@media (min-width: 900px) {
  .page-faq .faq-index__stick {
    position: sticky;
    top: 110px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-faq .faq-index__list > li {
    flex: 0 1 auto;
  }

  .page-faq .faq-index__link {
    display: block;
    padding: 11px 0 11px 15px;
    border: 0;
    border-left: 2px solid var(--line);
    white-space: normal;
    font-size: 0.94rem;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--c-amber);
    color: var(--c-ivory);
  }
}

/* ---------- 分类章节 ---------- */
.page-faq .faq-topic {
  padding: clamp(26px, 3.6vw, 46px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-topic:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-topic__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-topic__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--c-amber);
}

.page-faq .faq-topic__head .section__title {
  margin: 0;
  font-size: var(--step-h2);
  color: var(--c-ivory);
}

.page-faq .faq-topic__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-faq .faq-topic__body {
  margin-top: clamp(18px, 2.4vw, 30px);
  align-items: start;
  gap: var(--gap);
}

.page-faq .faq-topic__media {
  margin-top: 26px;
}

.page-faq .faq-topic__media .media-frame {
  margin: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-topic__media {
    margin-top: 4px;
    position: sticky;
    top: 110px;
  }
}

/* ---------- 翻牌式折叠 ---------- */
.page-faq .faq-folds {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .fold {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  transition: border-color 0.26s var(--ease-shuffle), background 0.26s var(--ease-shuffle);
}

.page-faq .fold::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, transparent 46%, var(--line-strong) 47%, var(--line-strong) 53%, transparent 54%);
  pointer-events: none;
}

.page-faq .fold[data-open] {
  border-color: rgba(245, 154, 60, 0.46);
  background: rgba(18, 58, 58, 0.66);
}

.page-faq .fold__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  color: var(--c-ivory);
  transition: color 0.22s var(--ease-shuffle);
}

.page-faq .fold__trigger:hover {
  color: var(--c-gold);
}

.page-faq .fold__trigger:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: -2px;
}

.page-faq .fold__icon {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.page-faq .fold__icon::before,
.page-faq .fold__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-amber);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease-shuffle), opacity 0.3s var(--ease-shuffle);
}

.page-faq .fold__icon::before {
  width: 14px;
  height: 2px;
}

.page-faq .fold__icon::after {
  width: 2px;
  height: 14px;
}

.page-faq .fold[data-open] .fold__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .fold__content {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.78;
}

.page-faq .fold__content p {
  margin: 0 0 0.85em;
}

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

.page-faq .fold__content a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 178, 106, 0.4);
}

.page-faq .fold__content a:hover {
  color: var(--c-amber);
}

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

/* ---------- 换设备找回记录：底部归档区 ---------- */
.page-faq .faq-device {
  padding: clamp(34px, 5vw, 74px) 0 clamp(48px, 7vw, 96px);
}

.page-faq .faq-device__panel {
  position: relative;
  padding: clamp(24px, 3.6vw, 50px);
  background: linear-gradient(158deg, rgba(31, 107, 74, 0.3), rgba(6, 18, 27, 0.66) 68%);
  border: 1px solid rgba(245, 154, 60, 0.26);
  overflow: hidden;
}

.page-faq .faq-device__panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-amber) 0 72px, rgba(245, 154, 60, 0.28) 72px 180px, transparent);
}

.page-faq .faq-device__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-device__head .section__title {
  margin: 0;
  font-size: var(--step-h2);
  color: var(--c-ivory);
}

.page-faq .faq-device__body {
  margin-top: clamp(22px, 3vw, 36px);
  align-items: start;
  gap: var(--gap);
}

.page-faq .faq-device__media {
  margin-top: 26px;
}

.page-faq .faq-device__media .media-frame {
  margin: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-device__media {
    margin-top: 4px;
  }
}

/* 步骤编号 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-steps > li {
  position: relative;
  counter-increment: faqstep;
  padding: 0 0 24px 54px;
}

.page-faq .faq-steps > li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--c-amber);
  border: 1px solid rgba(245, 154, 60, 0.36);
  background: rgba(6, 18, 27, 0.55);
}

.page-faq .faq-steps > li::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 42px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(245, 154, 60, 0.38), transparent);
}

.page-faq .faq-steps > li:last-child::after {
  display: none;
}

.page-faq .faq-step__title {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--c-ivory);
}

.page-faq .faq-step__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-device__panel .note {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-device__panel .note a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 178, 106, 0.4);
}

/* ---------- 收束引导 ---------- */
.page-faq .faq-next {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-next p {
  margin: 0;
  max-width: 68ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .faq-next a {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 154, 60, 0.44);
}

.page-faq .faq-next a:hover {
  color: var(--c-gold);
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 560px) {
  .page-faq .faq-hero__title {
    max-width: none;
  }

  .page-faq .faq-device__panel {
    padding: 22px 18px;
  }

  .page-faq .faq-steps > li {
    padding-left: 46px;
  }

  .page-faq .faq-steps > li::after {
    left: 15px;
  }

  .page-faq .fold__trigger {
    padding: 14px 15px;
    font-size: 0.96rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fold,
  .page-faq .fold__icon::before,
  .page-faq .fold__icon::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>