.page-faq {
  --faq-pad: clamp(18px, 3vw, 32px);
  --faq-block-gap: clamp(24px, 3.6vw, 40px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .crumbs {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin: clamp(18px, 3vw, 30px) 0 clamp(24px, 4vw, 40px);
  padding: clamp(24px, 4vw, 48px) var(--faq-pad) clamp(22px, 3.4vw, 40px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(43, 224, 138, 0.16) 0%, rgba(43, 224, 138, 0) 58%),
    linear-gradient(155deg, var(--panel) 0%, var(--ink) 68%, #0d1a2c 100%);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 var(--shadow);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -110px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(55, 230, 255, 0.18), rgba(55, 230, 255, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 clamp(12px, 2vw, 20px);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--green);
}

.page-faq .faq-hero__title {
  margin: 0 0 clamp(14px, 2.2vw, 22px);
  max-width: 17ch;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(32px, 6.6vw, 74px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: clamp(16px, 2.2vw, 22px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__metaItem {
  min-width: 120px;
}

.page-faq .faq-hero__meta dt {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-hero__meta dd {
  margin: 6px 0 0;
  font-size: 16px;
  color: var(--paper);
}

.page-faq .faq-hero__meta dd.mono {
  color: var(--green);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(24px, 4vw, 42px);
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: 3px 3px 0 var(--shadow);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-index__link .mono {
  font-size: 12px;
  color: var(--green);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  transform: translate(-1px, -2px);
  box-shadow: 5px 6px 0 var(--shadow);
  border-color: rgba(43, 224, 138, 0.6);
}

/* ---------- 面板 ---------- */
.page-faq .faq-block {
  margin-bottom: var(--faq-block-gap);
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 var(--shadow);
  scroll-margin-top: clamp(90px, 14vh, 140px);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-block:hover {
  transform: translateY(-2px);
  box-shadow: 10px 10px 0 var(--shadow);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: clamp(20px, 3vw, 30px) var(--faq-pad) clamp(14px, 2vw, 20px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__num {
  display: inline-block;
  padding: 3px 9px;
  background: var(--green);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-faq .faq-block__num--orange {
  background: var(--orange);
}

.page-faq .faq-block__num--cyan {
  background: var(--cyan);
}

.page-faq .faq-block__title {
  margin: 0;
  max-width: 24ch;
  font-size: clamp(21px, 3.4vw, 33px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-block__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-block__body {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  padding: clamp(16px, 2.6vw, 24px) var(--faq-pad) clamp(22px, 3.2vw, 32px);
}

/* ---------- 折叠条目 ---------- */
.page-faq .q-list {
  display: grid;
  gap: 10px;
}

.page-faq .q-item {
  background: rgba(11, 18, 32, 0.55);
  border: 2px solid var(--line);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .q-item[open] {
  background: rgba(11, 18, 32, 0.9);
  border-color: rgba(43, 224, 138, 0.55);
}

.page-faq .q-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  color: var(--paper);
  font-size: clamp(15px, 1.7vw, 16px);
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .q-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-left: auto;
  margin-top: 6px;
}

.page-faq .q-item__mark::before,
.page-faq .q-item__mark::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .q-item__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .q-item__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .q-item[open] .q-item__mark::before,
.page-faq .q-item[open] .q-item__mark::after {
  background: var(--green);
}

.page-faq .q-item[open] .q-item__mark::after {
  transform: rotate(90deg);
}

.page-faq .q-item__a {
  padding: 2px 16px 16px;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
  animation: faq-reveal 0.18s var(--ease);
}

.page-faq .q-item__a p {
  margin: 0 0 0.7em;
}

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

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

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 五步路径 ---------- */
.page-faq .path {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  padding: 0;
  list-style: none;
}

.page-faq .path__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 2px solid var(--line);
  background: rgba(11, 18, 32, 0.7);
}

.page-faq .path__num {
  font-size: 12px;
  color: var(--green);
}

.page-faq .path__name {
  font-size: 13.5px;
  color: var(--paper);
}

/* ---------- 联系方式步骤条 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: -16px;
  width: 1px;
  background: rgba(55, 230, 255, 0.35);
}

.page-faq .faq-steps__item:last-child::before {
  display: none;
}

.page-faq .faq-steps__dot {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
  color: var(--cyan);
  font-size: 12px;
}

.page-faq .faq-steps__title {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-steps__text p {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

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

/* ---------- 反馈模板 ---------- */
.page-faq .faq-copybar {
  display: grid;
  gap: 10px;
  justify-items: start;
  margin-top: 4px;
  padding: 14px 16px;
  border: 2px dashed rgba(255, 122, 47, 0.55);
  background: rgba(255, 122, 47, 0.07);
}

.page-faq .faq-copybar__text {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-aside__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

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

/* ---------- 图片 ---------- */
.page-faq .figure {
  margin: 0;
}

.page-faq .figure__frame {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 2px solid var(--line);
  background: var(--ink);
}

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

.page-faq .figure__cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-block__head {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "num title"
      "lede lede";
    column-gap: 16px;
    align-items: center;
  }

  .page-faq .faq-block__num {
    grid-area: num;
  }

  .page-faq .faq-block__title {
    grid-area: title;
  }

  .page-faq .faq-block__lede {
    grid-area: lede;
    margin-top: 4px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-block--split .faq-block__body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 400px) {
  .page-faq .faq-index__link {
    flex: 1 1 calc(50% - 8px);
    justify-content: flex-start;
  }

  .page-faq .faq-hero__meta {
    gap: 14px 20px;
  }
}

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

  .page-faq .q-item__a {
    animation: none;
  }

  .page-faq .faq-block:hover {
    transform: none;
    box-shadow: 6px 6px 0 var(--shadow);
  }
}
</main>