.page-faq {
  --faq-gap: clamp(18px, 2.4vw, 34px);
  --faq-hair: rgba(78, 122, 98, .55);
}

/* ---------- 面包屑 ---------- */
.page-faq .ob-breadcrumb {
  padding-top: clamp(14px, 2vw, 24px);
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 3vw, 36px) 0 clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(61, 224, 176, .10), transparent 62%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(46, 74, 60, .30) 79px 80px),
    linear-gradient(180deg, rgba(20, 57, 42, .55), rgba(7, 22, 15, 0) 78%);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 46px);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(29px, 4.6vw, 58px);
  line-height: 1.08;
  font-weight: 300;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin-bottom: 22px;
}

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

.page-faq .faq-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-hero__media,
.page-faq .faq-block__media {
  margin: 0;
}

.page-faq .faq-hero__media img,
.page-faq .faq-block__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: cover;
  filter: contrast(1.12) saturate(.94);
}

.page-faq .faq-bignum {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  box-shadow: inset 3px 0 0 var(--lime);
  background: rgba(20, 57, 42, .52);
}

.page-faq .faq-bignum__num {
  font-family: var(--score);
  font-size: clamp(52px, 7vw, 84px);
  font-weight: 800;
  line-height: .86;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-faq .faq-bignum__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 索引带 ---------- */
.page-faq .faq-index {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-index__item {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 84px;
  padding: 14px 13px;
  background: var(--ink);
  color: var(--text);
  text-decoration: none;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease;
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  background: var(--panel);
  color: var(--lime);
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-faq .faq-index__label {
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding: clamp(42px, 6vw, 88px) 0;
  scroll-margin-top: 108px;
}

.page-faq .faq-block--tinted {
  background: linear-gradient(180deg, rgba(14, 42, 30, .92), rgba(7, 22, 15, .92));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-block__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-list--loose {
  margin-top: clamp(24px, 3vw, 38px);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-hair);
  transition: background .18s ease, box-shadow .18s ease;
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 16px 46px 16px 18px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 17px;
  color: var(--mint);
}

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

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

.page-faq .faq-item[open] {
  background: rgba(20, 57, 42, .48);
  box-shadow: inset 3px 0 0 var(--lime);
}

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

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--lime);
}

.page-faq .faq-item__a {
  max-width: 74ch;
  padding: 0 18px 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

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

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

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

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--lime);
}

/* ---------- 字段对照条 ---------- */
.page-faq .faq-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-bottom: clamp(24px, 3.4vw, 42px);
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-field {
  display: grid;
  grid-template-columns: minmax(96px, .34fr) minmax(0, 1fr);
  gap: 14px;
  padding: 15px 17px;
  background: var(--ink);
}

.page-faq .faq-field__name {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lime);
  line-height: 1.7;
}

.page-faq .faq-field__def {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 多条记录示意 ---------- */
.page-faq .faq-recordset {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(20, 57, 42, .46);
  border-top: 3px solid var(--mint);
}

.page-faq .faq-recordset__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-recordset__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--faq-hair);
}

.page-faq .faq-recordset__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 13px;
  background: var(--ink);
}

.page-faq .faq-recordset__key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mint);
}

.page-faq .faq-recordset__val {
  font-size: 14px;
  color: var(--text);
}

/* ---------- 更新节奏时间线 ---------- */
.page-faq .faq-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-timeline__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 16px 18px;
  background: var(--ink);
}

.page-faq .faq-chip {
  justify-self: start;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .faq-timeline__text {
  margin: 0;
  max-width: 74ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 浅底区 ---------- */
.page-faq .ob-section--light {
  background: var(--light);
  color: var(--light-ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .ob-section--light .ob-h2 {
  color: var(--light-ink);
}

.page-faq .ob-section--light .ob-kicker {
  color: var(--light-muted);
}

.page-faq .ob-section--light .faq-list {
  border-top-color: rgba(11, 31, 22, .18);
}

.page-faq .ob-section--light .faq-item {
  border-bottom-color: rgba(11, 31, 22, .18);
}

.page-faq .ob-section--light .faq-item__q {
  color: var(--light-ink);
}

.page-faq .ob-section--light .faq-item__q:hover {
  color: #12664A;
}

.page-faq .ob-section--light .faq-item__q::after {
  color: #12664A;
}

.page-faq .ob-section--light .faq-item[open] {
  background: rgba(11, 31, 22, .055);
  box-shadow: inset 3px 0 0 #6FBE2E;
}

.page-faq .ob-section--light .faq-item[open] .faq-item__q {
  color: #123A26;
}

.page-faq .ob-section--light .faq-item[open] .faq-item__q::after {
  color: #4E8C1F;
}

.page-faq .ob-section--light .faq-item__a {
  color: var(--light-muted);
}

.page-faq .ob-section--light .faq-item__a a {
  color: #0D6B4C;
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-contact__card {
  padding: 20px 20px 22px;
  background: rgba(20, 57, 42, .48);
  border-top: 3px solid var(--lime);
  transition: background .18s ease;
}

.page-faq .faq-contact__card:nth-child(2) {
  border-top-color: var(--mint);
}

.page-faq .faq-contact__card:hover {
  background: var(--panel);
}

.page-faq .faq-contact__label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-faq .faq-contact__value {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--lime);
  word-break: break-word;
}

.page-faq .faq-contact__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-legal-note {
  margin-top: 18px;
}

.page-faq .faq-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-related__link {
  display: inline-flex;
  align-items: center;
  padding: 10px 15px;
  border: 1px solid var(--line);
  background: rgba(20, 57, 42, .38);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-faq .faq-related__link:hover,
.page-faq .faq-related__link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: var(--panel);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-timeline__item {
    grid-template-columns: minmax(120px, .22fr) minmax(0, 1fr);
    align-items: center;
    gap: 18px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-faq .faq-block__body {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, .62fr);
  }

  .page-faq .faq-block__media {
    position: sticky;
    top: 118px;
  }

  .page-faq .faq-list--loose {
    max-width: 880px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }
}