.page-faq {
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 首屏 */
.page-faq .faq-intro {
  max-width: 780px;
  padding-block: clamp(22px, 4vw, 48px) clamp(22px, 3vw, 36px);
}

.page-faq .faq-intro h1 {
  margin: 12px 0 16px;
  font-size: clamp(28px, 6vw, 58px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-intro .lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.75;
  color: rgba(232, 245, 238, 0.76);
}

@media (min-width: 900px) {
  .page-faq .faq-intro h1 {
    transform: skewX(-3deg);
    transform-origin: left bottom;
  }
}

/* 目录轴 + 问答板 */
.page-faq .faq-board {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-faq .faq-axis {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(15, 61, 46, 0.4);
  padding: 16px;
  min-width: 0;
}

.page-faq .faq-axis__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(232, 245, 238, 0.55);
}

.page-faq .faq-axis__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-axis__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-axis__list li {
  flex: 0 0 auto;
}

.page-faq .faq-axis__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-axis__name {
  flex: 1 1 auto;
}

.page-faq .faq-axis__count {
  flex: none;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(232, 245, 238, 0.12);
  color: var(--mint);
  font-size: 12px;
}

.page-faq .faq-axis__link:hover,
.page-faq .faq-axis__link:focus-visible {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--ink);
}

.page-faq .faq-axis__link:hover .faq-axis__count,
.page-faq .faq-axis__link:focus-visible .faq-axis__count {
  background: rgba(7, 18, 13, 0.18);
  color: var(--ink);
}

.page-faq .faq-axis__figure {
  margin: 16px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--pitch);
}

.page-faq .faq-axis__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-faq .faq-axis__figure figcaption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(232, 245, 238, 0.55);
}

@media (min-width: 900px) {
  .page-faq .faq-board {
    grid-template-columns: minmax(190px, 236px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-axis {
    position: sticky;
    top: calc(var(--head-h) + 20px);
  }

  .page-faq .faq-axis__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-axis__list li {
    flex: 1 1 auto;
  }

  .page-faq .faq-axis__link {
    white-space: normal;
  }
}

/* 问答组 */
.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: clamp(32px, 5vw, 56px);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-faq .faq-group__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__idx {
  flex: none;
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--pitch);
  color: var(--mint);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-group__head h2 {
  margin: 0 0 5px;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(232, 245, 238, 0.58);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(15, 61, 46, 0.45);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(31, 169, 122, 0.55);
  background: rgba(15, 61, 46, 0.78);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--brand);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::before {
  opacity: 1;
}

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

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--mint);
  border-radius: 2px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

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

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

.page-faq .faq-item__a p {
  margin: 0;
  max-inline-size: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(232, 245, 238, 0.78);
}

.page-faq .faq-inline-link {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--brand);
}

/* 三步自查 */
.page-faq .faq-checks {
  margin-top: clamp(40px, 6vw, 76px);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-faq .faq-checks__grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-faq .check-card {
  padding: 22px 20px;
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
}

.page-faq .check-card h3 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .check-card__sub {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--muted);
}

.page-faq .check-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .check-steps li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(7, 18, 13, 0.12);
}

.page-faq .check-steps__idx {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--mint);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .check-steps strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14.5px;
}

.page-faq .check-steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .check-card__foot {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(7, 18, 13, 0.12);
  font-size: 13px;
  line-height: 1.6;
  color: var(--navy);
}

@media (min-width: 820px) {
  .page-faq .faq-checks__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 人工支持 */
.page-faq .faq-human {
  margin-top: clamp(40px, 6vw, 76px);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-faq .faq-human__card {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xl);
  background: linear-gradient(150deg, var(--pitch), var(--ink) 68%);
}

.page-faq .faq-human__card h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-human__text p {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 245, 238, 0.76);
}

.page-faq .faq-human__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-human__item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(232, 245, 238, 0.06);
}

.page-faq .faq-human__key {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: rgba(232, 245, 238, 0.52);
}

.page-faq .faq-human__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

@media (min-width: 860px) {
  .page-faq .faq-human__card {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }
}

/* 反馈流程带 */
.page-faq .faq-flow {
  margin-top: clamp(44px, 7vw, 88px);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-faq .faq-flow__inner {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--r-xl);
  background: var(--navy);
}

.page-faq .faq-flow__text h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-flow__lead {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 245, 238, 0.72);
}

.page-faq .faq-flow__track {
  display: none;
  width: 100%;
  height: auto;
  margin: 20px 0 6px;
  color: rgba(155, 231, 196, 0.45);
}

.page-faq .faq-flow__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-flow__node {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-faq .faq-flow__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-flow__node strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  color: var(--paper);
}

.page-faq .faq-flow__node p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(232, 245, 238, 0.66);
}

.page-faq .faq-flow__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--pitch);
}

.page-faq .faq-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
  object-position: center;
}

.page-faq .faq-flow__figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(232, 245, 238, 0.55);
}

@media (min-width: 620px) {
  .page-faq .faq-flow__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-flow__inner {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .page-faq .faq-flow__track {
    display: block;
  }

  .page-faq .faq-flow__figure img {
    max-height: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-axis__link,
  .page-faq .faq-item,
  .page-faq .faq-item__q::before,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}