.page-faq {
  padding-top: clamp(18px, 3vw, 40px);
  padding-bottom: clamp(56px, 9vw, 132px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}

/* ---------- 报头：不闭合框景 ---------- */
.page-faq .faq-mast {
  position: relative;
  padding: clamp(22px, 3.4vw, 46px) clamp(18px, 3vw, 42px);
  background: linear-gradient(180deg, rgba(230, 218, 197, 0.62), rgba(230, 218, 197, 0) 76%);
  border-left: 3px solid var(--green);
  margin-bottom: clamp(34px, 5.5vw, 68px);
}

.page-faq .faq-mast::before,
.page-faq .faq-mast::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--green-2);
  pointer-events: none;
}

.page-faq .faq-mast::before {
  top: 0;
  right: 0;
  border-left: 0;
  border-bottom: 0;
}

.page-faq .faq-mast::after {
  bottom: 0;
  right: 0;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-mast__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(29px, 5.4vw, 66px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 18ch;
}

.page-faq .faq-mast__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-mast__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin: 28px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--rule);
  list-style: none;
  font-size: 14px;
  color: var(--slate);
}

.page-faq .faq-mast__meta .mono {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section + .faq-section {
  margin-top: clamp(38px, 6vw, 76px);
  padding-top: clamp(34px, 5vw, 66px);
  border-top: 1px solid var(--rule);
}

.page-faq .faq-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 16px;
}

.page-faq .faq-head__num {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--green-2);
  background: var(--cyan-mist);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.14;
  color: var(--ink);
}

.page-faq .faq-head__aside {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-faq .faq-head__intro {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

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

.page-faq .faq-index__card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "no name count"
    "no scope scope";
  gap: 4px 14px;
  align-items: start;
  padding: 15px 16px;
  background: var(--sand-2);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--green-2);
  color: var(--ink);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease),
    border-left-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.page-faq .faq-index__card:hover,
.page-faq .faq-index__card:focus-visible {
  background: var(--green);
  border-left-color: var(--cyan);
  color: var(--sand);
}

.page-faq .faq-index__no {
  grid-area: no;
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--green-2);
}

.page-faq .faq-index__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-index__count {
  grid-area: count;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green-2);
}

.page-faq .faq-index__scope {
  grid-area: scope;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-index__card:hover .faq-index__no,
.page-faq .faq-index__card:hover .faq-index__name {
  color: var(--sand);
}

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

.page-faq .faq-index__card:hover .faq-index__scope {
  color: var(--cyan-mist);
}

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

.page-faq .faq-index__fig .media-frame {
  aspect-ratio: 14 / 9;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--green);
}

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

.page-faq .faq-index__fig figcaption {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

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

.page-faq .faq-fig .media-frame {
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--green);
  max-width: 320px;
}

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

.page-faq .faq-fig figcaption {
  margin-top: 10px;
  max-width: 320px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  min-width: 0;
}

.page-faq .qa {
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: 108px;
}

.page-faq .qa:first-of-type {
  border-top: 1px solid var(--rule);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 16px 6px 16px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.55vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

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

.page-faq .qa__q:hover {
  background: rgba(13, 42, 33, 0.06);
}

.page-faq .qa[open] > .qa__q {
  color: var(--green);
}

.page-faq .qa__no {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--slate);
}

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

.page-faq .qa__marker {
  position: relative;
  align-self: center;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-faq .qa__marker::before,
.page-faq .qa__marker::after {
  content: "";
  position: absolute;
  background: var(--green-2);
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.page-faq .qa__marker::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .qa__marker::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

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

.page-faq .qa__a {
  position: relative;
  margin: 0 0 18px;
  padding: 18px 20px 18px 28px;
  background-color: var(--sand-2);
  background-image: linear-gradient(
    90deg,
    var(--green-2) 0 3px,
    var(--cyan) 3px 7px,
    transparent 7px
  );
  background-repeat: no-repeat;
  background-size: 100% 100%;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 章节收束刻度 ---------- */
.page-faq .faq-done {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 26px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-faq .faq-done::before,
.page-faq .faq-done::after {
  content: "";
  flex: 1 1 0;
  height: 1px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--rule) 0 6px,
    transparent 6px 12px
  );
}

/* ---------- 收束区块 ---------- */
.page-faq .faq-help {
  position: relative;
  padding: clamp(24px, 3.6vw, 46px);
  background: var(--green);
  color: var(--sand);
  border-top: 3px solid var(--cyan);
}

.page-faq .faq-help__lede {
  margin: 0;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--sand);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 11px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cyan-mist);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 14px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-help__note {
  margin: 24px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sand);
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-help__back {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-help__back a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 192, 0.45);
}

.page-faq .faq-help__back a:hover,
.page-faq .faq-help__back a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-index__fig .media-frame {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-faq .faq-fig {
    position: sticky;
    top: 108px;
  }

  .page-faq .faq-mast__title {
    max-width: 22ch;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-mast {
    padding-right: clamp(60px, 7vw, 120px);
  }
}

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