.page-faq {
  --faq-hair: rgba(169, 188, 203, 0.16);
  --faq-hair-soft: rgba(169, 188, 203, 0.09);
  --faq-glow: rgba(53, 230, 255, 0.14);
  background: var(--ink);
  color: var(--white);
  padding-bottom: var(--s7);
}

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

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding-top: var(--s4);
  padding-bottom: var(--s4);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--cyan);
}

.page-faq .breadcrumb__sep {
  color: var(--amber);
}

/* 首屏 */
.page-faq .faq-hero {
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
  background:
    radial-gradient(120% 130% at 92% -10%, var(--faq-glow), transparent 60%),
    linear-gradient(168deg, var(--teal) 0%, var(--ink) 68%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: var(--s5);
  padding-top: var(--s6);
  padding-bottom: var(--s6);
}

.page-faq .faq-hero__lead {
  min-width: 0;
}

.page-faq .faq-hero__lead .kicker {
  display: block;
  margin: 0 0 var(--s3);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-hero__title {
  margin: 0 0 var(--s4);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 7vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.78;
}

.page-faq .faq-hero__aside {
  align-self: start;
  padding: var(--s4);
  border: 1px solid var(--faq-hair);
  background: rgba(6, 24, 38, 0.62);
  box-shadow: var(--deep-shadow);
}

.page-faq .faq-hero__aside-label {
  margin: 0 0 var(--s2);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-hero__hint {
  margin: var(--s3) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-version {
  display: grid;
  gap: 8px;
}

.page-faq .faq-version .copy-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(53, 230, 255, 0.34);
  border-radius: 2px;
  background: rgba(53, 230, 255, 0.06);
  color: var(--white);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-version .copy-btn:hover {
  border-color: var(--cyan);
  background: rgba(53, 230, 255, 0.13);
}

.page-faq .faq-version .copy-btn__label {
  font-size: clamp(1.4rem, 5vw, 2rem);
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-version .copy-btn__action {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-faq .faq-version .copy-status {
  min-height: 1.1em;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

/* 入口流程图 */
.page-faq .faq-flow {
  margin-top: var(--s6);
}

.page-faq .faq-flow__figure {
  margin: 0;
}

/* 问答主体 */
.page-faq .faq-body {
  display: grid;
  gap: var(--s5);
  margin-top: var(--s6);
}

.page-faq .faq-body > h2 {
  grid-column: 1 / -1;
}

.page-faq .faq-index {
  border-top: 1px solid var(--line-strong);
  padding-top: var(--s3);
  min-width: 0;
}

.page-faq .faq-index__label {
  margin: 0 0 var(--s3);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 1px solid transparent;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-index__link .mono {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--white);
  border-left-color: var(--cyan);
  background: rgba(53, 230, 255, 0.07);
}

.page-faq .faq-list {
  display: grid;
  gap: var(--s3);
  min-width: 0;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(11, 36, 56, 0.92), rgba(11, 36, 56, 0.52));
  scroll-margin-top: 24px;
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(53, 230, 255, 0.34);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  padding: var(--s4);
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__num {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-item__icon::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  top: 0;
  left: 6.25px;
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  margin: 0 var(--s3) var(--s4) var(--s3);
  padding-left: var(--s3);
  border-left: 1px solid var(--faq-hair);
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.76;
}

.page-faq .faq-item__body p {
  margin: 0 0 var(--s2);
}

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

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 255, 0.42);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 var(--s3);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 var(--s3);
  padding: 0;
  display: grid;
  gap: var(--s3);
}

.page-faq .faq-steps__item {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
}

.page-faq .faq-steps__num {
  flex: none;
  margin-top: 2px;
  padding: 2px 6px;
  border: 1px solid rgba(242, 184, 75, 0.42);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-steps__content {
  min-width: 0;
}

.page-faq .faq-steps__title {
  margin: 0 0 2px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-check {
  list-style: none;
  margin: 0 0 var(--s3);
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-check li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
}

.page-faq .faq-check__num {
  flex: none;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(242, 184, 75, 0.42);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .faq-hint {
  margin: var(--s3) 0 0;
  padding-left: var(--s3);
  border-left: 2px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sand);
}

.page-faq .faq-item__figure {
  margin: var(--s3) 0 0;
}

/* 第二栏位置示意 */
.page-faq .mini-figure {
  margin: var(--s3) 0;
}

.page-faq .mini-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 46px;
  gap: 6px;
  max-width: 320px;
  padding: 8px;
  border: 1px solid var(--faq-hair);
  background: rgba(6, 24, 38, 0.66);
}

.page-faq .mini-panel__main {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-faq .mini-panel__bar {
  display: block;
  height: 6px;
  background: rgba(169, 188, 203, 0.24);
}

.page-faq .mini-panel__bar--short {
  width: 62%;
}

.page-faq .mini-panel__rail {
  display: grid;
  gap: 6px;
  align-content: start;
  padding-left: 6px;
  border-left: 1px solid rgba(242, 184, 75, 0.5);
  background: rgba(242, 184, 75, 0.08);
}

.page-faq .mini-panel__rail-label {
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .mini-panel__bar--tall {
  height: 14px;
  background: rgba(242, 184, 75, 0.35);
}

.page-faq .mini-figure__cap {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* 结尾导航 */
.page-faq .faq-more {
  margin-top: var(--s7);
  padding-top: var(--s6);
  padding-bottom: var(--s6);
}

.page-faq .faq-more__title {
  margin: 0 0 var(--s4);
  font-family: var(--font-condensed);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .faq-more__grid {
  display: grid;
  gap: var(--s3);
}

.page-faq .faq-more__card {
  display: grid;
  gap: 6px;
  padding: var(--s4);
  border: 1px solid var(--faq-hair);
  background: rgba(6, 24, 38, 0.4);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-more__card:hover,
.page-faq .faq-more__card:focus-visible {
  border-color: rgba(53, 230, 255, 0.5);
  background: rgba(53, 230, 255, 0.07);
  transform: translateY(-2px);
}

.page-faq .faq-more__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-more__name {
  font-family: var(--font-condensed);
  font-size: 1.15rem;
  font-weight: 600;
}

.page-faq .faq-more__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 响应式 */
@media (min-width: 700px) {
  .page-faq .faq-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.85fr);
    align-items: end;
    gap: var(--s6);
    padding-top: var(--s7);
    padding-bottom: var(--s7);
  }

  .page-faq .faq-quote,
  .page-faq .faq-hero__aside {
    align-self: end;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--s4);
  }

  .page-faq .faq-item__summary {
    padding: var(--s4) var(--s5);
  }

  .page-faq .faq-item__body {
    margin: 0 var(--s5) var(--s5) calc(var(--s5) + 4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }
}