.page-faq {
  --faq-rail: 250px;
  --faq-line: rgba(35, 88, 74, 0.85);
  position: relative;
  padding-bottom: clamp(48px, 7vw, 96px);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  background:
    radial-gradient(1000px 560px at 50% -8%, rgba(198, 245, 60, 0.09), transparent 64%),
    var(--ink);
}

.page-faq .breadcrumbs {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero__inner {
  display: grid;
  gap: 16px;
  padding-top: 22px;
}

.page-faq .faq-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 1.2rem + 3.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  line-height: 1.8;
  color: rgba(243, 236, 221, 0.82);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-faq .faq-hero__facts li {
  position: relative;
  padding-left: 15px;
}

.page-faq .faq-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--lime);
}

.page-faq .faq-hero__figure {
  margin: 10px 0 0;
}

.page-faq .faq-hero__figure .figure__img {
  border: 1px solid var(--faq-line);
  background: var(--ink-2);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主栅格 ---------- */
.page-faq .faq-grid {
  max-width: 1140px;
  margin-inline: auto;
  padding-top: clamp(36px, 5vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
}

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

.page-faq .faq-section {
  scroll-margin-top: 104px;
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(34px, 4.5vw, 58px);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 4px;
}

.page-faq .faq-section__head::after {
  content: "";
  flex: 1 1 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--faq-line), transparent);
}

.page-faq .faq-section__index {
  flex: none;
  padding: 2px 6px;
  border: 1px solid rgba(198, 245, 60, 0.35);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.28rem, 1.05rem + 1vw, 1.8rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-faq .faq-section__lead {
  margin: 12px 0 20px;
  max-width: 56ch;
  font-family: var(--font-editorial);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.1rem);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 三步路径 ---------- */
.page-faq .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .steps__item {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--faq-line);
  background: linear-gradient(180deg, rgba(22, 54, 44, 0.62), rgba(14, 36, 30, 0.55));
  transition: border-color var(--dur) var(--ease);
}

.page-faq .steps__item:hover {
  border-color: rgba(198, 245, 60, 0.7);
}

.page-faq .steps__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .steps__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  line-height: 1.45;
}

.page-faq .steps__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: rgba(243, 236, 221, 0.78);
}

.page-faq .steps__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--lime);
  text-decoration: none;
  background-image: linear-gradient(var(--lime), var(--lime));
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--dur) var(--ease);
}

.page-faq .steps__link:hover,
.page-faq .steps__link:focus-visible {
  background-size: 100% 1px;
}

/* ---------- 问答块 ---------- */
.page-faq .qa {
  scroll-margin-top: 104px;
  padding-left: 18px;
  border-top: 1px solid var(--faq-line);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .qa:first-of-type {
  border-top: 0;
}

.page-faq .qa[open] {
  border-left-color: var(--lime);
}

.page-faq .qa__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__head::marker {
  content: "";
}

.page-faq .qa__num {
  flex: none;
  padding-top: 0.22em;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__num {
  color: var(--lime);
}

.page-faq .qa__q {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.14rem);
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .qa__mark {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--lime);
}

.page-faq .qa__mark::before {
  content: "+";
  display: inline-block;
  transition: transform var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__mark::before {
  content: "–";
}

.page-faq .qa__a {
  padding: 0 0 20px;
  max-width: 62ch;
  line-height: 1.78;
  color: rgba(243, 236, 221, 0.8);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a p + p {
  margin-top: 0.7em;
}

.page-faq .qa__a a {
  color: var(--lime);
  text-decoration: none;
  background-image: linear-gradient(var(--lime), var(--lime));
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--dur) var(--ease);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  background-size: 100% 1px;
}

.page-faq .qa:target {
  border-left-color: var(--signal);
  background: rgba(255, 122, 51, 0.06);
}

/* ---------- 内嵌图 ---------- */
.page-faq .faq-figure-inline {
  max-width: 380px;
  margin: 22px 0 10px;
}

.page-faq .faq-figure-inline .figure__img {
  border: 1px solid var(--faq-line);
  background: var(--ink-2);
}

.page-faq .faq-figure-inline img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 工单区块 ---------- */
.page-faq .faq-ticket {
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid rgba(74, 27, 51, 0.9);
  background:
    linear-gradient(140deg, rgba(74, 27, 51, 0.88) 0%, rgba(36, 31, 92, 0.78) 58%, rgba(22, 54, 44, 0.72) 100%);
}

.page-faq .faq-ticket .qa {
  border-top-color: rgba(243, 236, 221, 0.16);
}

.page-faq .faq-ticket .qa__a {
  color: rgba(243, 236, 221, 0.86);
}

.page-faq .faq-ticket__note {
  margin: 22px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(243, 236, 221, 0.72);
}

.page-faq .faq-ticket__note a {
  color: var(--lime);
  text-decoration: none;
  background-image: linear-gradient(var(--lime), var(--lime));
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--dur) var(--ease);
}

.page-faq .faq-ticket__note a:hover,
.page-faq .faq-ticket__note a:focus-visible {
  background-size: 100% 1px;
}

.page-faq .faq-ticket__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 右侧目录 ---------- */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-toc {
  padding: 18px 18px 20px;
  border: 1px solid var(--faq-line);
  background: rgba(22, 54, 44, 0.62);
}

.page-faq .faq-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--lime);
  border-bottom-color: rgba(198, 245, 60, 0.4);
}

.page-faq .faq-toc__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-faq .qa {
    padding-left: 14px;
  }

  .page-faq .qa__head {
    gap: 10px;
  }

  .page-faq .qa__num {
    font-size: 0.72rem;
  }

  .page-faq .steps__item {
    padding: 16px;
  }

  .page-faq .faq-hero__title {
    max-width: none;
  }
}

@media (min-width: 860px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-faq .steps__item + .steps__item::before {
    content: "→";
    position: absolute;
    left: -23px;
    top: 4px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--lime-deep);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-grid {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail);
    align-items: start;
    gap: 56px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 104px;
  }
}