.page-faq {
  --faq-rail-w: 236px;
  --faq-gap: 32px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding: 28px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__text h1 {
  margin: 10px 0 0;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
  max-width: 20ch;
}

.page-faq .faq-hero__text .sb-lede {
  margin-top: 16px;
  max-width: 62ch;
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__aside {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px 18px 8px;
}

.page-faq .faq-hero__aside::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 46px;
  height: 3px;
  background: var(--cyan);
}

.page-faq .faq-trouble {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-trouble li + li {
  border-top: 1px solid var(--line);
}

.page-faq .faq-trouble a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 4px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-trouble a em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
  flex: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-trouble a:hover,
.page-faq .faq-trouble a:focus-visible {
  color: var(--cyan);
  padding-left: 10px;
}

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

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  padding-top: 34px;
  padding-bottom: 56px;
}

/* ---------- 目录 ---------- */
.page-faq .faq-nav {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 16px 14px;
}

.page-faq .faq-nav__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-faq .faq-nav__item a {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-nav__item a:hover,
.page-faq .faq-nav__item a:focus-visible {
  color: var(--text);
  border-left-color: var(--line);
  background: var(--raised);
}

.page-faq .faq-nav__item[data-active] a {
  color: var(--text);
  border-left-color: var(--cyan);
  background: var(--cyan-12);
}

.page-faq .faq-nav__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--faint);
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-body > .faq-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-block--last {
  padding-bottom: 0;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-faq .faq-block__head h2 {
  margin: 0;
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding: 2px 7px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-block__lead {
  margin: 14px 0 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-block__lead a,
.page-faq .faq-q__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 208, 0.35);
  transition: border-color var(--dur) var(--ease);
}

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

.page-faq .faq-block__foot {
  margin: 20px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 70ch;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 72ch;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .faq-steps strong {
  display: block;
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
}

.page-faq .faq-steps p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-steps div {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-steps__n {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-steps--tight {
  margin-top: 10px;
  gap: 8px;
}

/* ---------- 配图 ---------- */
.page-faq .faq-shot {
  margin: 26px 0 0;
}

.page-faq .faq-shot .sb-media {
  border: 1px solid var(--line);
}

.page-faq .faq-shot .sb-media__img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  margin-top: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-q[open] {
  border-color: rgba(56, 225, 208, 0.42);
  background: var(--raised);
}

.page-faq .faq-q > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-q > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-q > summary::marker {
  content: "";
}

.page-faq .faq-q > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
  line-height: 1.3;
}

.page-faq .faq-q[open] > summary::after {
  content: "−";
}

.page-faq .faq-q__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--violet);
  padding-top: 3px;
}

.page-faq .faq-q__body {
  padding: 0 18px 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
  max-width: 74ch;
}

.page-faq .faq-q__body > p {
  margin: 0;
}

.page-faq .faq-q__body > p + .faq-steps {
  margin-top: 12px;
}

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

/* ---------- 排查顺序 ---------- */
.page-faq .faq-check {
  list-style: none;
  counter-reset: chk;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  max-width: 74ch;
}

.page-faq .faq-check li {
  position: relative;
  padding: 16px 18px 16px 54px;
  counter-increment: chk;
}

.page-faq .faq-check li + li {
  border-top: 1px solid var(--line);
}

.page-faq .faq-check li::before {
  content: counter(chk, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .faq-check strong {
  display: block;
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.55;
}

.page-faq .faq-check p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 平板章节 ---------- */
.page-faq .faq-tablet {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-faq .faq-tablet__text .faq-steps {
  margin-top: 0;
}

.page-faq .faq-touch {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 10px;
  box-sizing: content-box;
}

.page-faq .faq-shot--tablet {
  margin-top: 0;
}

/* ---------- 三类问题卡片 ---------- */
.page-faq .faq-trio {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-faq .faq-trio__item {
  padding: 18px;
}

.page-faq .faq-trio__item h3 {
  margin: 12px 0 8px;
}

.page-faq .faq-trio__item > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 反馈通道 ---------- */
.page-faq .faq-channels {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-faq .faq-channel {
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  background: var(--panel);
  padding: 16px 18px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-channel:hover {
  background: var(--raised);
  border-left-color: var(--cyan);
}

.page-faq .faq-channel p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-channel .sb-mono {
  display: inline-block;
  margin-top: 6px;
  font-size: 15px;
  word-break: break-all;
}

.page-faq .faq-cta {
  display: grid;
  gap: 16px;
  margin-top: 26px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--panel) 0%, var(--tail) 100%);
}

.page-faq .faq-cta h3 {
  margin: 0 0 8px;
}

.page-faq .faq-cta p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
  max-width: 62ch;
}

.page-faq .faq-cta .sb-btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 40px 0 52px;
  }

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

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

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-tablet {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 34px;
  }

  .page-faq .faq-shot--tablet {
    margin-top: 0;
  }

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

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 52px;
    padding-top: 44px;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-block {
    padding: 44px 0;
  }

  .page-faq .faq-block__lead {
    font-size: 16.5px;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>