.page-faq {
  --faq-shadow: 6px 6px 0 rgba(0, 0, 0, .42);
  --faq-accent: var(--cyan);
  background: var(--ink);
  color: var(--white);
  padding-top: 32px;
}

.page-faq .prose {
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */

.page-faq .breadcrumb {
  margin-bottom: 26px;
}

.page-faq .faq-intro {
  position: relative;
  border-left: 4px solid var(--cyan);
  padding: 18px 0 18px 18px;
  margin-bottom: 44px;
}

.page-faq .faq-intro .eyebrow {
  display: block;
  margin-bottom: 10px;
}

.page-faq h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-faq .faq-lede {
  max-width: 34em;
  margin: 0 0 12px;
  font-size: 17px;
  line-height: 1.75;
}

.page-faq .faq-lede-sub {
  max-width: 34em;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-rot {
  position: absolute;
  right: 0;
  bottom: 6px;
  display: none;
  pointer-events: none;
}

/* ---------- 高频问题 ---------- */

.page-faq .faq-hot {
  border-top: var(--edge) solid var(--line);
  padding-top: 28px;
  margin-bottom: 52px;
}

.page-faq .faq-hot-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 23px;
  letter-spacing: -0.01em;
}

.page-faq .faq-hot-sub {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-hot-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  background: var(--panel);
  border: var(--edge) solid var(--line);
  border-left: 4px solid var(--amber);
}

.page-faq .faq-hot-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--amber);
}

.page-faq .faq-hot-q {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
}

.page-faq .faq-hot-a {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 分段与折叠 ---------- */

.page-faq .faq-desk {
  margin-bottom: 48px;
}

.page-faq .faq-desk-head {
  margin-bottom: 22px;
}

.page-faq .faq-desk-head h2 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.01em;
}

.page-faq .faq-desk-sub {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .tabs-list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin: 0 0 22px;
  padding: 0 0 6px;
  border-bottom: var(--edge) solid var(--line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .tabs-tab {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 10px 16px;
  background: transparent;
  border: var(--edge) solid transparent;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: color .14s linear, background-color .14s linear, border-color .14s linear;
}

.page-faq .tabs-tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-faq .tabs-tab[aria-selected="false"]:hover {
  color: var(--cyan-soft);
  border-color: var(--line);
}

.page-faq .tabs-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .tabs-panel {
  padding-top: 4px;
}

.page-faq .tabs-panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-faq .faq-panel--entry {
  --faq-accent: var(--cyan);
}

.page-faq .faq-panel--record {
  --faq-accent: var(--amber);
}

.page-faq .faq-panel--device {
  --faq-accent: var(--cyan-soft);
}

.page-faq .faq-panel--contact {
  --faq-accent: var(--red);
}

.page-faq .faq-fold {
  background: var(--panel);
  border: var(--edge) solid var(--line);
  border-left: 4px solid var(--faq-accent, var(--cyan));
  margin-bottom: 10px;
  transition: border-left-color .14s linear;
}

.page-faq .faq-fold:has([data-fold-toggle][aria-expanded="true"]) {
  border-left-color: var(--cyan);
}

.page-faq .fold-head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-toggle {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  width: 100%;
  min-height: 44px;
  padding: 15px 16px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-num {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--faq-accent, var(--cyan));
}

.page-faq .faq-q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
}

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

.page-faq .fold-body p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .fold-body a,
.page-faq .faq-record-link a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .fold-body a:hover,
.page-faq .faq-record-link a:hover {
  color: var(--cyan-soft);
}

/* ---------- 图片 ---------- */

.page-faq .media-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--edge) solid var(--line);
}

.page-faq .faq-media-step {
  max-width: 100%;
  margin: 0 0 52px;
}

.page-faq .faq-media-step .media-cap,
.page-faq .faq-record .media-cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 记录说明 ---------- */

.page-faq .faq-record {
  margin-bottom: 48px;
  align-items: start;
  row-gap: 26px;
}

.page-faq .faq-record h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.01em;
}

.page-faq .faq-record-list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-record-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-record-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-record-link {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 移动端建议 ---------- */

.page-faq .faq-mobile {
  margin-bottom: 56px;
}

.page-faq .faq-mobile h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.01em;
}

.page-faq .faq-mobile-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-mobile-card {
  padding: 18px;
  background: var(--indigo);
  border: var(--edge) solid var(--line);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-mobile-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
}

.page-faq .faq-mobile-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-mobile-card a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系分区 ---------- */

.page-faq .faq-contact {
  background: var(--wine);
  border-top: var(--edge) solid var(--line);
  padding: 44px 0 56px;
}

.page-faq .faq-contact h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.page-faq .faq-contact-lede {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-contact-item {
  padding: 16px 18px;
  background: rgba(0, 0, 0, .22);
  border: var(--edge) solid rgba(244, 247, 245, .3);
}

.page-faq .faq-contact-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}

.page-faq .faq-contact-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-faq .faq-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 断点 ---------- */

@media (min-width: 600px) {
  .page-faq .fold-body {
    padding-left: 58px;
  }

  .page-faq .faq-hot-list {
    gap: 14px;
  }
}

@media (min-width: 768px) {
  .page-faq {
    padding-top: 44px;
  }

  .page-faq h1 {
    font-size: 44px;
  }

  .page-faq .faq-lede {
    font-size: 18px;
  }

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

  .page-faq .faq-desk-head h2,
  .page-faq .faq-record h2,
  .page-faq .faq-mobile h2 {
    font-size: 28px;
  }

  .page-faq .faq-mobile-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-contact h2 {
    font-size: 32px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-media-step {
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-faq .faq-record {
    row-gap: 0;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-rot {
    display: block;
  }
}