.page-faq {
  --faq-card: rgba(18, 34, 74, 0.62);
  --faq-glow: rgba(127, 216, 216, 0.28);
  color: var(--snow);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(1.25rem, 3vw, 2.25rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
  }
}

.page-faq .faq-hero__title {
  margin: 0.65rem 0 1.15rem;
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 5.4vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--snow);
}

.page-faq .faq-hero__intro p {
  margin: 0 0 0.85rem;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--dust);
}

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

.page-faq .faq-hero__figure .figure__frame {
  aspect-ratio: 2 / 1;
}

/* 任务入口 */
.page-faq .faq-jump {
  margin-top: 1.85rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.page-faq .faq-jump__item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.85rem 0.95rem;
  color: var(--snow);
  text-decoration: none;
  background: var(--faq-card);
  border: 1px solid var(--orbit);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: transform 0.12s var(--ease), border-color 0.12s var(--ease), box-shadow 0.12s var(--ease);
}

.page-faq .faq-jump__item:hover {
  transform: translateY(-2px);
  border-color: var(--glacier);
  box-shadow: 0 0 0 1px var(--faq-glow), 0 14px 30px -18px var(--glacier);
}

.page-faq .faq-jump__item:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 3px;
}

.page-faq .faq-jump__no {
  flex: 0 0 auto;
  padding-top: 0.12rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-jump__body {
  display: block;
  min-width: 0;
}

.page-faq .faq-jump__label {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-jump__desc {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--dust);
}

/* 步骤条 */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(2rem, 5vw, 3.25rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 0;
}

.page-faq .faq-step {
  position: relative;
  flex: 1 1 190px;
  padding: 1.05rem 1.3rem 0 0;
  border-top: 2px solid var(--orbit);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--glacier);
  box-shadow: 0 0 10px var(--faq-glow);
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-faq .faq-step__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--snow);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  margin-top: clamp(2.75rem, 7vw, 5rem);
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
}

@media (min-width: 1040px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }
}

/* 左侧目录 */
.page-faq .faq-index__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

@media (min-width: 1040px) {
  .page-faq .faq-index__list {
    display: block;
  }
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.42rem 0.85rem;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--dust);
  text-decoration: none;
  border: 1px solid var(--orbit);
  border-radius: 999px;
  transition: color 0.12s var(--ease), background-color 0.12s var(--ease), border-color 0.12s var(--ease);
}

@media (min-width: 1040px) {
  .page-faq .faq-index__link {
    padding: 0.5rem 0.75rem;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0 4px 4px 0;
  }
}

.page-faq .faq-index__link:hover {
  color: var(--snow);
  background: var(--faq-card);
  border-color: var(--glacier);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 3px;
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--violet-soft);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-group {
  padding-top: clamp(2.25rem, 6vw, 3.5rem);
  scroll-margin-top: 6rem;
}

.page-faq .faq-group:first-of-type {
  padding-top: 0;
}

.page-faq .faq-group__head {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--violet);
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--violet-soft);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--snow);
}

.page-faq .faq-group__intro {
  margin: 0.95rem 0 1.35rem;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--dust);
}

/* 承诺章节分栏 */
.page-faq .faq-group--split {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 1250px) {
  .page-faq .faq-group--split {
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: 2.5rem;
    align-items: start;
  }
}

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

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--orbit);
}

.page-faq .qa__q {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1.05rem 0.35rem;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--snow);
  transition: color 0.12s var(--ease), background-color 0.12s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--glacier);
  background: var(--faq-card);
}

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

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--dust);
}

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

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 0.28rem;
  border: 1px solid var(--orbit);
  border-radius: 50%;
  transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1.5px;
  margin-top: -0.75px;
  background: var(--glacier);
  transition: transform 0.2s var(--ease);
}

.page-faq .qa__sign::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__sign {
  border-color: var(--glacier);
  background: rgba(127, 216, 216, 0.12);
}

.page-faq .qa[open] .qa__sign::after {
  transform: rotate(0deg);
}

.page-faq .qa__a {
  padding: 0 2.25rem 1.5rem 2.1rem;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--dust);
}

.page-faq .qa__a p {
  margin: 0 0 0.7rem;
}

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

.page-faq .qa__path {
  display: inline;
  padding: 0.05em 0.42em;
  border-radius: 4px;
  background: rgba(127, 216, 216, 0.13);
  color: var(--glacier);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.page-faq .qa__steps {
  list-style: none;
  counter-reset: qs;
  margin: 0.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-faq .qa__steps li {
  position: relative;
  padding-left: 2rem;
  counter-increment: qs;
}

.page-faq .qa__steps li::before {
  content: counter(qs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.32em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--violet-soft);
}

.page-faq .qa__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.55rem 0 0.85rem;
}

.page-faq .qa__tag {
  padding: 0.25rem 0.75rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--dust);
  border: 1px solid var(--orbit);
  border-radius: 999px;
}

/* ---------- 图片 ---------- */
.page-faq .figure__frame {
  overflow: hidden;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px var(--orbit);
}

.page-faq .faq-promise__figure .figure__frame {
  aspect-ratio: 9 / 11;
}

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

.page-faq .figure__caption {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--dust);
}

/* ---------- 收尾入口 ---------- */
.page-faq .faq-more {
  margin-top: clamp(3rem, 7vw, 4.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--orbit);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1.5rem;
}

.page-faq .faq-more__lead {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-faq .faq-more a {
  padding-bottom: 0.1em;
  font-size: 0.95rem;
  color: var(--glacier);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 216, 216, 0.35);
}

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

.page-faq .faq-more a:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 3px;
}

/* ---------- 小屏微调 ---------- */
@media (max-width: 640px) {
  .page-faq .qa__a {
    padding: 0 0.35rem 1.35rem 2rem;
  }

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

  .page-faq .faq-steps {
    gap: 1.15rem 0;
  }

  .page-faq .faq-step {
    flex: 1 1 100%;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__item,
  .page-faq .qa__q,
  .page-faq .qa__sign,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after {
    transition: none;
  }

  .page-faq .faq-jump__item:hover {
    transform: none;
  }
}