.page-faq {
  --faq-gap: clamp(16px, 3vw, 28px);
  --faq-card: rgba(18, 46, 38, 0.72);
  --faq-card-deep: rgba(7, 19, 15, 0.92);
  --faq-radius: 6px;
  color: var(--jb-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 5vw, 52px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px dashed var(--jb-line);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(46, 255, 181, 0.09), transparent 62%),
    radial-gradient(90% 70% at 4% 96%, rgba(245, 196, 81, 0.07), transparent 60%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero__title {
  font-family: var(--jb-font-head);
  font-size: clamp(28px, 7.4vw, 48px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--jb-white);
  margin: 10px 0 16px;
}

.page-faq .faq-hero__copy .jb-lede {
  max-width: 46ch;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-faq .faq-stat {
  border-top: 2px solid var(--jb-line);
  padding-top: 10px;
  min-width: 0;
}

.page-faq .faq-stat__num {
  font-family: var(--jb-font-mono);
  color: var(--jb-gold);
  display: block;
  line-height: 1.05;
}

.page-faq .faq-unit {
  font-size: 0.42em;
  margin-left: 3px;
  color: var(--jb-body);
  letter-spacing: 0;
}

.page-faq .faq-stat .jb-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--jb-line);
  border-radius: var(--faq-radius);
  box-shadow: 10px 10px 0 rgba(30, 74, 60, 0.42);
  overflow: hidden;
}

.page-faq .faq-hero__figure .jb-figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-hero__figure .jb-figure__caption {
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--jb-body);
  background: var(--faq-card-deep);
  border-top: 1px dashed var(--jb-line);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(30px, 5vw, 64px) 0 clamp(30px, 6vw, 72px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  min-width: 0;
}

.page-faq .faq-side,
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-family: var(--jb-font-head);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--jb-neon);
  text-transform: uppercase;
}

.page-faq .faq-side__note {
  margin: 12px 0 0;
  max-width: 44ch;
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__item {
  scroll-snap-align: start;
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--jb-line);
  border-radius: var(--faq-radius);
  background: var(--faq-card);
  color: var(--jb-body);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--jb-neon);
  color: var(--jb-white);
  background: rgba(46, 255, 181, 0.08);
}

.page-faq .faq-index__num {
  font-family: var(--jb-font-mono);
  font-size: 11px;
  color: var(--jb-neon);
}

/* ---------- 筛选 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 4px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--jb-line);
}

.page-faq .jb-filter__btn {
  font-family: var(--jb-font-body);
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid var(--jb-line);
  border-radius: 999px;
  background: transparent;
  color: var(--jb-body);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-faq .jb-filter__btn:hover,
.page-faq .jb-filter__btn:focus-visible {
  border-color: var(--jb-neon);
  color: var(--jb-white);
}

.page-faq .jb-filter__btn[aria-pressed="true"] {
  background: rgba(46, 255, 181, 0.14);
  border-color: var(--jb-neon);
  color: var(--jb-white);
  font-weight: 600;
}

.page-faq .faq-empty {
  margin: 0 0 18px;
  padding: 16px;
  border: 1px dashed var(--jb-line);
  border-radius: var(--faq-radius);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-empty[hidden] {
  display: none;
}

/* ---------- 主题分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(30px, 5vw, 52px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--jb-line);
}

.page-faq .faq-group__num {
  font-family: var(--jb-font-mono);
  font-size: clamp(18px, 3vw, 22px);
  color: var(--jb-gold);
  line-height: 1;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--jb-font-head);
  font-size: clamp(19px, 3.6vw, 27px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--jb-white);
}

.page-faq .faq-group__hint {
  margin: 12px 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--jb-body);
  max-width: 62ch;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--jb-line);
  border-left: 3px solid var(--jb-line);
  border-radius: var(--faq-radius);
  background: linear-gradient(180deg, var(--faq-card), rgba(11, 31, 26, 0.9));
  box-shadow: 0 1px 0 rgba(30, 74, 60, 0.5);
  overflow: hidden;
  transition: border-color 0.18s ease;
}

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-item[open] {
  border-color: var(--jb-neon);
  border-left-color: var(--jb-neon);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--jb-white);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

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

.page-faq .faq-item__q:hover {
  background: rgba(46, 255, 181, 0.05);
}

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

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--jb-font-mono);
  font-size: 12px;
  color: var(--jb-gold);
  padding-top: 4px;
  min-width: 18px;
}

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

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--jb-neon);
  border-radius: 1px;
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
  transition: transform 0.18s ease;
}

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

.page-faq .faq-item__a {
  padding: 0 16px 16px 46px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--jb-body);
}

.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(--jb-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 255, 181, 0.4);
}

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

/* ---------- 收藏主题的图文行 ---------- */
.page-faq .faq-media-row {
  display: grid;
  gap: 16px;
  margin: 0 0 16px;
  padding: 16px;
  border: 1px solid var(--jb-line);
  border-radius: var(--faq-radius);
  background: linear-gradient(150deg, rgba(18, 46, 38, 0.85), rgba(7, 19, 15, 0.85));
}

.page-faq .faq-media-row__figure {
  margin: 0;
}

.page-faq .faq-media-row__figure .jb-figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
}

.page-faq .faq-media-row__figure .jb-figure__caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--jb-body);
}

.page-faq .faq-media-row__copy p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
}

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

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--jb-line);
  border-radius: var(--faq-radius);
  background:
    linear-gradient(160deg, rgba(18, 46, 38, 0.95), rgba(7, 19, 15, 0.95));
  box-shadow: inset 0 0 0 1px rgba(46, 255, 181, 0.07);
  margin-bottom: 16px;
}

.page-faq .faq-contact__rows {
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--jb-line);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-contact__key {
  flex: none;
  min-width: 68px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--jb-body);
}

.page-faq .faq-contact__val {
  font-family: var(--jb-font-mono);
  font-size: 15px;
  color: var(--jb-white);
  word-break: break-word;
}

.page-faq .faq-contact__val a {
  color: var(--jb-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 255, 181, 0.4);
}

.page-faq .faq-contact__val a:hover {
  border-bottom-color: var(--jb-neon);
}

.page-faq .faq-contact__tip {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-media-row {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    align-items: center;
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-index {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 6px;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    white-space: normal;
    box-sizing: border-box;
    border-left: 3px solid var(--jb-line);
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--jb-neon);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark::after,
  .page-faq .faq-index__link,
  .page-faq .jb-filter__btn {
    transition: none;
  }
}