.page-faq {
  --faq-answer: #C6C2B8;
  --faq-rule: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

.page-faq img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-faq .crumbs__list li {
  display: flex;
  align-items: center;
}

.page-faq .crumbs__list li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--line);
}

.page-faq .crumbs__list a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .crumbs__list a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-faq .crumbs__current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(30px, 5vw, 58px);
  border-bottom: var(--faq-rule);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-faq .faq-hero__label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__intro {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .faq-hero__stats {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stat {
  background: var(--ink);
  padding: 16px 14px 18px;
}

.page-faq .faq-stat__value {
  display: block;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.45rem, 5vw, 2.1rem);
  line-height: 1.1;
  color: var(--paper);
}

.page-faq .faq-stat__value em {
  font-style: normal;
  font-size: 0.5em;
  margin-left: 4px;
  color: var(--orange);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: var(--faq-rule);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.7) contrast(1.05);
}

.page-faq .media__cap {
  display: block;
  padding: 10px 14px;
  border-top: var(--faq-rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index {
  background: var(--ink-2);
  border-bottom: var(--faq-rule);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__item {
  border-right: var(--faq-rule);
}

.page-faq .faq-index__item:last-child {
  border-right: 0;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 20px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--paper);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--orange);
  color: var(--ink);
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--ink);
}

/* ---------- 分组区块 ---------- */
.page-faq .faq-group {
  padding: clamp(38px, 6vw, 84px) 0;
  border-bottom: var(--faq-rule);
  scroll-margin-top: 90px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__lead {
  display: inline-block;
  margin: 18px 0 0;
  padding: 12px 18px;
  max-width: 46em;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-group__body {
  margin-top: clamp(24px, 4vw, 42px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

/* ---------- 折叠问题 ---------- */
.page-faq .faq-list {
  border-top: var(--faq-rule);
}

.page-faq .faq-item {
  position: relative;
  border-bottom: var(--faq-rule);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t) var(--ease);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  padding: 18px 44px 18px 18px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--paper);
  transition: color var(--t-fast) var(--ease);
}

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

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

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

.page-faq .faq-item__idx {
  flex: none;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 16px;
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
  pointer-events: none;
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2013";
}

.page-faq .faq-item__a {
  padding: 0 44px 22px 18px;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-answer-in 340ms var(--ease) both;
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 224, 210, 0.45);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-item__a a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* ---------- 培训旁图 ---------- */
.page-faq .faq-aside {
  margin: 0;
  border: var(--faq-rule);
  background: var(--ink-2);
}

.page-faq .faq-aside img {
  width: 100%;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}

.page-faq .faq-aside__note {
  display: block;
  padding: 16px 18px 18px;
  border-top: var(--faq-rule);
}

.page-faq .faq-aside__line {
  display: block;
  font-size: 13px;
  line-height: 1.9;
  color: var(--gray);
}

.page-faq .faq-aside__line b {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  margin-right: 8px;
  color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding: clamp(44px, 7vw, 92px) 0;
  background: var(--ink-2);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: end;
}

.page-faq .faq-cta__title {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.4vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-answer);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-cta__actions .btn--primary {
  background: var(--orange);
  color: var(--ink);
}

.page-faq .faq-cta__actions .btn--primary:hover {
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-cta__actions .btn--ghost {
  background: transparent;
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-cta__actions .btn--ghost:hover {
  background: var(--cyan);
  color: var(--ink);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-group__head {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 28px;
  }

  .page-faq .faq-group__num {
    padding-top: 10px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-hero__media {
    margin-top: 8px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-group__body--split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (max-width: 719px) {
  .page-faq .faq-index__item {
    flex: 1 1 50%;
    border-bottom: var(--faq-rule);
  }

  .page-faq .faq-index__item:nth-child(2n) {
    border-right: 0;
  }

  .page-faq .faq-index__link {
    padding: 13px 16px;
    font-size: 13px;
  }

  .page-faq .faq-item__q {
    padding-right: 38px;
  }

  .page-faq .faq-item__a {
    padding-right: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
}