.page-faq {
  --faq-gap: clamp(20px, 3vw, 40px);
  --faq-shell-line: rgba(154, 166, 178, .22);
  padding-bottom: clamp(56px, 8vw, 110px);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: clamp(8px, 1.4vw, 16px) 0 clamp(30px, 4vw, 56px);
}

.page-faq .faq-hero__frame {
  position: relative;
  display: grid;
  border: 1px solid var(--jz-line);
  border-radius: var(--jz-radius-l);
  overflow: hidden;
  background:
    radial-gradient(120% 150% at 88% -30%, rgba(21, 115, 71, .62), transparent 62%),
    linear-gradient(180deg, rgba(19, 41, 61, .92), rgba(11, 27, 43, .98));
  box-shadow: var(--jz-shadow);
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--jz-orange) 0 22%, var(--jz-cyan) 22% 46%, transparent 46% 100%);
  z-index: 2;
}

.page-faq .faq-hero__copy {
  padding: clamp(24px, 3.6vw, 54px) clamp(20px, 3.4vw, 56px) clamp(20px, 2.6vw, 34px);
  display: grid;
  gap: clamp(12px, 1.4vw, 18px);
  align-content: start;
}

.page-faq .faq-hero__copy .jz-lede {
  max-width: 66ch;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: clamp(6px, 1vw, 14px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-shell-line);
  border: 1px solid var(--faq-shell-line);
  border-radius: var(--jz-radius-m);
  overflow: hidden;
}

.page-faq .faq-hero__facts li {
  background: rgba(11, 27, 43, .82);
  padding: 12px 14px;
  display: grid;
  gap: 2px;
}

.page-faq .faq-hero__num {
  font-family: var(--font-data);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  color: var(--jz-cyan);
  line-height: 1.1;
}

.page-faq .faq-hero__cap {
  font-size: 13px;
  color: var(--jz-gray);
  letter-spacing: .02em;
}

.page-faq .faq-hero__media {
  margin: 0;
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--jz-night-2);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
  align-items: start;
}

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

.page-faq .faq-side__sticky {
  display: grid;
  gap: clamp(16px, 1.8vw, 22px);
}

/* 搜索 */
.page-faq .faq-search {
  display: grid;
  gap: 8px;
}

.page-faq .faq-search__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--jz-cyan);
  text-transform: uppercase;
}

.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 14px;
  border-radius: var(--jz-radius-s);
  border: 1px solid var(--jz-line);
  background: var(--jz-night-2);
  color: var(--jz-paper);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  appearance: none;
  transition: border-color .2s var(--jz-ease), background-color .2s var(--jz-ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--jz-gray);
}

.page-faq .faq-search__input:focus {
  outline: none;
  border-color: var(--jz-cyan);
  background: rgba(53, 224, 208, .06);
}

.page-faq .faq-search__hint {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--jz-gray);
}

/* 分类目录 */
.page-faq .faq-toc {
  list-style: none;
  margin: 0;
  padding: 4px 0;
  display: grid;
  gap: 2px;
  position: relative;
}

.page-faq .faq-toc::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--jz-cyan), rgba(53, 224, 208, .06));
}

.page-faq .faq-toc__link {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 9px 12px 9px 16px;
  color: var(--jz-gray);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.45;
  border-radius: 0 var(--jz-radius-s) var(--jz-radius-s) 0;
  transition: color .2s var(--jz-ease), background-color .2s var(--jz-ease);
}

.page-faq .faq-toc__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jz-night);
  border: 1px solid var(--jz-line);
  transform: translate(-50%, -50%);
  transition: background-color .2s var(--jz-ease), border-color .2s var(--jz-ease), box-shadow .2s var(--jz-ease);
}

.page-faq .faq-toc__link:hover {
  color: var(--jz-paper);
  background: rgba(19, 41, 61, .72);
}

.page-faq .faq-toc__link[aria-current="true"] {
  color: var(--jz-paper);
  background: linear-gradient(90deg, rgba(53, 224, 208, .14), rgba(53, 224, 208, 0) 78%);
}

.page-faq .faq-toc__link[aria-current="true"]::before {
  background: var(--jz-cyan);
  border-color: var(--jz-cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 208, .18);
}

.page-faq .faq-toc__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--jz-cyan);
}

.page-faq .faq-toc__link[aria-current="true"] .faq-toc__num {
  color: var(--jz-paper);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: clamp(38px, 5vw, 66px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--jz-hdr-h) + 22px);
  min-width: 0;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--jz-line);
  position: relative;
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  background: var(--jz-orange);
}

.page-faq .faq-group__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--jz-cyan);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--jz-gray);
}

.page-faq .faq-group__items {
  display: block;
  min-width: 0;
}

/* 条目 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-shell-line);
}

.page-faq .faq-item:last-of-type {
  border-bottom-color: var(--jz-line);
}

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 20px;
  align-items: start;
  gap: 12px;
  padding: 17px 2px;
  color: var(--jz-paper);
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  font-weight: 600;
  line-height: 1.55;
  transition: color .2s var(--jz-ease);
}

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

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--jz-cyan);
  outline-offset: 3px;
  border-radius: var(--jz-radius-s);
}

.page-faq .faq-item__idx {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--jz-gray);
  padding-top: 5px;
  transition: color .2s var(--jz-ease);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--jz-cyan);
}

.page-faq .faq-item__mark {
  justify-self: end;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--jz-orange);
  border-bottom: 2px solid var(--jz-orange);
  transform: rotate(45deg);
  transition: transform .3s var(--jz-ease), border-color .2s var(--jz-ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(225deg);
  border-color: var(--jz-cyan);
}

.page-faq .faq-item__a {
  padding: 0 40px 20px 46px;
  color: var(--jz-gray);
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 64ch;
}

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

.page-faq .faq-item__a .jz-data {
  font-size: 17px;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-open .3s var(--jz-ease) both;
}

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

/* 分类尾部去向 */
.page-faq .faq-group__more {
  margin: clamp(18px, 2.2vw, 26px) 0 0;
}

.page-faq .faq-group__more a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 17px;
  border: 1px solid var(--jz-line);
  border-radius: 999px;
  color: var(--jz-cyan);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: border-color .2s var(--jz-ease), background-color .2s var(--jz-ease), color .2s var(--jz-ease);
}

.page-faq .faq-group__more a:hover {
  border-color: var(--jz-cyan);
  background: rgba(53, 224, 208, .1);
  color: var(--jz-paper);
}

/* 苹果端图示 */
.page-faq .faq-group__body {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
  min-width: 0;
}

.page-faq .faq-shot {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-shot__frame {
  aspect-ratio: 3 / 4;
  border: 1px solid var(--jz-line);
  border-radius: var(--jz-radius-m);
  overflow: hidden;
  background: var(--jz-night-2);
}

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

.page-faq .faq-shot figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--jz-gray);
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-faq .faq-shot {
    max-width: 280px;
  }

  .page-faq .faq-hero__media {
    aspect-ratio: 5 / 3;
  }

  .page-faq .faq-item__a {
    padding: 0 12px 18px 46px;
  }
}

@media (max-width: 559px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-item__q {
    grid-template-columns: 28px minmax(0, 1fr) 16px;
    gap: 9px;
  }

  .page-faq .faq-item__a {
    padding: 0 8px 18px 37px;
    font-size: 15px;
  }

  .page-faq .faq-shot {
    max-width: 100%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__media {
    aspect-ratio: 5 / 2;
  }

  .page-faq .faq-group__body--figure {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(238px, 300px) minmax(0, 1fr);
  }

  .page-faq .faq-side__sticky {
    position: sticky;
    top: calc(var(--jz-hdr-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__mark,
  .page-faq .faq-toc__link,
  .page-faq .faq-group__more a,
  .page-faq .faq-search__input {
    transition: none;
  }
}