.page-faq {
  --faq-gap: 20px;
  padding-bottom: 72px;
  color: var(--text);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* 面包屑 */
.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.page-faq .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}
.page-faq .crumbs a:hover {
  text-decoration: underline;
}
.page-faq .crumbs__sep {
  color: var(--stone);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
}
.page-faq .eyebrow {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
}
.page-faq .faq-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}
.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-faq .faq-glance {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-glance li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 15px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
}
.page-faq .faq-glance__num {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}
.page-faq .faq-glance__label {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-dim);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  margin-top: 38px;
}
.page-faq .faq-panels {
  display: grid;
  gap: 26px;
  min-width: 0;
}

/* 左侧索引 */
.page-faq .faq-index {
  padding: 16px 14px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
}
.page-faq .faq-index__title {
  margin: 0 0 10px;
  padding-left: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}
.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}
.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-dim);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.page-faq .faq-index__list a:hover {
  background: var(--ink-700);
  color: var(--paper);
}
.page-faq .faq-index__list .mono {
  color: var(--cyan);
  font-size: 0.76rem;
}

/* 分组面板 */
.page-faq .faq-group {
  position: relative;
  overflow: hidden;
  scroll-margin-top: 92px;
  padding: 24px 18px 24px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(11, 43, 38, 0.94), rgba(7, 21, 18, 0.96));
  box-shadow: var(--shadow);
}
.page-faq .faq-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 68px;
  background: var(--clay);
  border-radius: 0 0 var(--radius-sm) 0;
}
.page-faq .faq-group:nth-child(even)::before {
  background: var(--cyan);
}
.page-faq .faq-group__title {
  margin: 8px 0 12px;
  font-size: clamp(1.35rem, 4.6vw, 1.78rem);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-faq .faq-group__lead {
  max-width: 60ch;
  margin: 0 0 16px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-faq .faq-group__lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}
.page-faq .faq-group__lead a:hover {
  border-bottom-color: var(--cyan);
}

/* 编号步骤 */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding: 12px 14px 12px 48px;
  border-radius: var(--radius-sm);
  background: rgba(18, 74, 61, 0.52);
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--text);
}
.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* 配图 */
.page-faq .faq-figure {
  margin: 0 0 18px;
}
.page-faq .faq-figure__frame {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--ink-900);
}
.page-faq .faq-figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure__cap {
  margin-top: 8px;
  font-size: 0.79rem;
  line-height: 1.62;
  color: var(--stone);
}

/* 第二栏示意 */
.page-faq .faq-mini {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
}
.page-faq .faq-mini__col {
  padding: 14px 15px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line-soft);
  background: rgba(18, 74, 61, 0.34);
  font-size: 0.84rem;
  line-height: 1.66;
  color: var(--text-dim);
}
.page-faq .faq-mini__col--live {
  border-style: solid;
  border-color: var(--cyan-dim);
  color: var(--paper);
  background: rgba(57, 230, 208, 0.08);
}

/* 问答折叠 */
.page-faq .qa {
  border-top: 1px solid var(--line);
}
.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line);
}
.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.62;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}
.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa > summary:hover {
  color: var(--cyan);
}
.page-faq .qa > summary::before {
  content: "+";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: var(--pill);
  background: rgba(57, 230, 208, 0.14);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1;
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}
.page-faq .qa[open] > summary::before {
  content: "–";
  background: rgba(255, 77, 46, 0.18);
  color: var(--flare);
}
.page-faq .qa__answer {
  padding: 0 0 16px 34px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-faq .qa__answer p {
  margin: 0 0 10px;
}
.page-faq .qa__answer p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__answer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}
.page-faq .qa__answer a:hover {
  border-bottom-color: var(--cyan);
}

/* 复制动作 */
.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.page-faq .faq-copy-hint {
  font-size: 0.83rem;
  color: var(--stone);
}

/* 联系信息条 */
.page-faq .faq-facts {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(7, 21, 18, 0.6);
}
.page-faq .faq-facts__key {
  flex: 0 0 auto;
  min-width: 82px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--clay);
}
.page-faq .faq-facts__val {
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-faq .faq-glance {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-mini {
    grid-template-columns: 1.15fr 1fr;
  }
  .page-faq .faq-group {
    padding: 28px 26px 28px 30px;
  }
  .page-faq .faq-group__lead {
    font-size: 0.98rem;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding-bottom: 96px;
  }
  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    margin-top: 46px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding: 18px 16px 14px;
  }
  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }
  .page-faq .faq-panels {
    gap: 30px;
  }
  .page-faq .faq-group {
    padding: 32px 34px 32px 38px;
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
  }
  .page-faq .faq-facts li {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .qa > summary,
  .page-faq .qa > summary::before {
    transition: none;
  }
}