.page-faq {
  --faq-line: rgba(53, 242, 224, 0.16);
  --faq-line-soft: rgba(111, 124, 140, 0.22);
  --faq-rail: 248px;
  --faq-cut: 16px;
  display: block;
  padding-bottom: clamp(60px, 8vw, 110px);
  color: var(--mist);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  margin-top: clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--cyan-deep);
}
.page-faq .breadcrumbs a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms linear, border-color 120ms linear;
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--cyan-mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 5vw, 72px);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -18%;
  width: min(880px, 96vw);
  height: 150%;
  background: linear-gradient(142deg, rgba(138, 92, 255, 0.26), rgba(53, 242, 224, 0.13) 54%, rgba(7, 8, 13, 0) 78%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84px;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), rgba(182, 255, 61, 0));
  z-index: 1;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}
.page-faq .faq-hero__text .eyebrow {
  margin: 0;
}
.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.022em;
  color: var(--mist);
}
.page-faq .faq-hero__text .lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.78;
  color: rgba(232, 241, 245, 0.82);
}
.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 16px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-hero__facts li {
  font-size: 13px;
  line-height: 1.55;
  color: var(--gray);
}
.page-faq .faq-hero__facts strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cyan);
}
.page-faq .faq-hero__facts li:nth-child(2) strong { color: var(--cyan-mist); }
.page-faq .faq-hero__facts li:nth-child(3) strong { color: var(--lime); }
.page-faq .faq-hero__visual {
  position: relative;
}
.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 46%;
  height: 46%;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  opacity: 0.5;
  pointer-events: none;
}
.page-faq .faq-hero__visual .media-frame {
  border: 1px solid var(--faq-line);
}

/* ---------- 主体：索引 + 问答 ---------- */
.page-faq .faq-board {
  margin-top: clamp(36px, 5vw, 72px);
}
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 54px);
  align-items: start;
}

.page-faq .faq-index {
  position: relative;
  padding-left: 16px;
  border-top: 2px solid var(--faq-line);
  padding-top: 16px;
}
.page-faq .faq-index::before {
  content: "";
  position: absolute;
  left: 0;
  top: 40px;
  bottom: 6px;
  width: 1px;
  background: var(--faq-line);
}
.page-faq .faq-index__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
}
.page-faq .faq-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--mist);
  border-left: 2px solid transparent;
  transition: border-color 130ms linear, background-color 130ms linear, color 130ms linear;
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--lime);
  background: rgba(182, 255, 61, 0.07);
  color: var(--lime);
  outline: none;
}
.page-faq .faq-index__coord {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-faq .faq-index__name {
  font-size: 14px;
  line-height: 1.45;
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(44px, 6vw, 76px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 104px;
}
.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.5vw, 27px);
  letter-spacing: -0.012em;
  color: var(--mist);
}
.page-faq .faq-group__note {
  flex-basis: 100%;
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray);
}

/* ---------- 客服章节的横向图带 ---------- */
.page-faq .faq-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0 0 26px;
  align-items: center;
}
.page-faq .faq-band .media-frame {
  border: 1px solid var(--faq-line);
}
.page-faq .faq-band__caption {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.03em;
  color: var(--gray);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .accordion__heading {
  margin: 0;
}
.page-faq .accordion__item {
  border-bottom: 1px solid var(--faq-line-soft);
  transition: background-color 140ms linear;
}
.page-faq .accordion__item[data-open="true"] {
  background: linear-gradient(90deg, rgba(182, 255, 61, 0.075), rgba(182, 255, 61, 0) 62%);
  border-bottom-color: var(--lime);
}
.page-faq .accordion__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  width: 100%;
  padding: 17px 10px 17px 4px;
  background: none;
  border: 0;
  color: var(--mist);
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  cursor: pointer;
  transition: color 130ms linear;
}
.page-faq .accordion__trigger:hover {
  color: var(--lime);
}
.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}
.page-faq .accordion__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-faq .accordion__q {
  font-weight: 600;
}
.page-faq .accordion__item[data-open="true"] .accordion__num {
  color: var(--lime);
}
.page-faq .accordion__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 7px;
}
.page-faq .accordion__mark::before,
.page-faq .accordion__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 160ms linear, background-color 160ms linear;
}
.page-faq .accordion__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}
.page-faq .accordion__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}
.page-faq .accordion__item[data-open="true"] .accordion__mark::before {
  background: var(--lime);
}
.page-faq .accordion__item[data-open="true"] .accordion__mark::after {
  transform: scaleY(0);
}
.page-faq .accordion__inner {
  padding: 0 12px 22px 34px;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(232, 241, 245, 0.86);
}
.page-faq .accordion__inner p {
  margin: 0;
}
.page-faq .accordion__inner p + p {
  margin-top: 12px;
}
.page-faq .accordion__inner a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 224, 0.42);
}
.page-faq .accordion__inner a:hover,
.page-faq .accordion__inner a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-steps {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--mist);
}
.page-faq .faq-steps li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
}

/* ---------- 底部路径图 ---------- */
.page-faq .faq-path {
  position: relative;
  margin-top: clamp(56px, 8vw, 108px);
  padding-top: clamp(34px, 5vw, 58px);
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-path::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 128px;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--cyan), rgba(53, 242, 224, 0));
}
.page-faq .faq-path__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-faq .faq-path__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 26px);
  letter-spacing: -0.012em;
  color: var(--mist);
}
.page-faq .faq-path__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-path__item {
  position: relative;
  padding: 24px 22px 26px;
  background: linear-gradient(158deg, rgba(138, 92, 255, 0.16), rgba(14, 20, 32, 0.92) 62%), var(--ink-2);
  clip-path: polygon(
    0 0,
    calc(100% - var(--faq-cut)) 0,
    100% var(--faq-cut),
    100% 100%,
    var(--faq-cut) 100%,
    0 calc(100% - var(--faq-cut))
  );
}
.page-faq .faq-path__item:nth-child(2) {
  background: linear-gradient(158deg, rgba(255, 107, 74, 0.16), rgba(14, 20, 32, 0.92) 62%), var(--ink-2);
}
.page-faq .faq-path__item:nth-child(3) {
  background: linear-gradient(158deg, rgba(182, 255, 61, 0.14), rgba(14, 20, 32, 0.92) 62%), var(--ink-2);
}
.page-faq .faq-path__step {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 8px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
}
.page-faq .faq-path__item:nth-child(2) .faq-path__step {
  background: var(--coral);
}
.page-faq .faq-path__item:nth-child(3) .faq-path__step {
  background: var(--lime);
}
.page-faq .faq-path__name {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--mist);
}
.page-faq .faq-path__desc {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-band {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 24px;
  }
  .page-faq .faq-path__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .page-faq .faq-path__item + .faq-path__item::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 46%;
    width: 10px;
    height: 1px;
    background: var(--cyan);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  }
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-path__list {
    gap: 30px;
  }
  .page-faq .accordion__trigger {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__trigger,
  .page-faq .accordion__mark::before,
  .page-faq .accordion__mark::after,
  .page-faq .faq-index__link,
  .page-faq .accordion__item {
    transition: none;
  }
}