.page-faq {
  --faq-line: rgba(94, 113, 128, .34);
  --faq-line-soft: rgba(94, 113, 128, .16);
  --faq-gap: clamp(20px, 3.4vw, 44px);
  --faq-body: rgba(234, 242, 245, .74);
  --faq-mute: rgba(234, 242, 245, .56);
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(56px, 9vw, 108px);
  color: var(--c-fog);
  background:
    radial-gradient(900px 520px at 90% -12%, rgba(53, 242, 208, .085), transparent 62%),
    radial-gradient(760px 480px at -8% 32%, rgba(255, 180, 90, .06), transparent 66%),
    var(--c-sea);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3,
.page-faq h4 {
  font-family: var(--font-display);
  letter-spacing: -.015em;
  margin: 0;
}

.page-faq .mono {
  font-family: var(--font-mono);
}

/* 面包屑 */
.page-faq .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-bottom: clamp(26px, 4vw, 42px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-title {
  margin-top: 14px;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.07;
  font-weight: 700;
  max-width: 18em;
}

.page-faq .faq-lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-lede strong {
  color: var(--c-fog);
  font-weight: 600;
}

.page-faq .faq-hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 36px);
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-faq .faq-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-meta-k {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  color: var(--c-amber);
}

.page-faq .faq-meta-v {
  font-size: 13px;
  color: var(--faq-mute);
  letter-spacing: .04em;
}

/* 通用区块头 */
.page-faq .faq-section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-section-head h2,
.page-faq .faq-contact-main h2 {
  font-size: clamp(23px, 3.8vw, 38px);
  line-height: 1.2;
  font-weight: 700;
}

.page-faq .faq-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-mute);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0 0 var(--faq-gap);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  border: 1px solid var(--faq-line);
  background: var(--c-sea-2);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--faq-mute);
}

.page-faq .faq-figure--map {
  margin-top: clamp(34px, 6vw, 70px);
}

/* 双列信息牌 */
.page-faq .faq-panels {
  margin-top: clamp(34px, 6vw, 70px);
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 44px);
}

.page-faq .faq-panel-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.page-faq .faq-panel-head h3 {
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.3;
}

.page-faq .faq-points,
.page-faq .faq-people {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-points > li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-points > li:last-child {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-num {
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-cyan);
  letter-spacing: .06em;
}

.page-faq .faq-points h4,
.page-faq .faq-people h4 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 4px;
  color: var(--c-fog);
}

.page-faq .faq-points p,
.page-faq .faq-people p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-people > li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-people > li:last-child {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-dot {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 208, .14);
}

.page-faq .faq-dot--amber {
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(255, 180, 90, .14);
}

.page-faq .faq-dot--clay {
  background: var(--c-clay);
  box-shadow: 0 0 0 4px rgba(183, 110, 78, .16);
}

.page-faq .faq-inline-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, .38);
  padding-bottom: 1px;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* 两步路径 */
.page-faq .faq-steps {
  margin-top: clamp(40px, 7vw, 84px);
  padding-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-steps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius-m);
  border: 1px solid var(--faq-line);
  background: linear-gradient(158deg, rgba(11, 44, 69, .92), rgba(6, 27, 43, .88));
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(18px, 3vw, 28px);
  bottom: clamp(18px, 3vw, 28px);
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--c-cyan), rgba(53, 242, 208, 0));
}

.page-faq .faq-step-num {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-amber);
  margin-bottom: 10px;
}

.page-faq .faq-step h3 {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 8px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-path-wrap {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(14px, 2.6vw, 24px);
  border-radius: var(--radius-m);
  border: 1px solid var(--faq-line-soft);
  background: rgba(3, 18, 29, .42);
}

.page-faq .faq-path-svg {
  display: block;
  width: 100%;
  height: auto;
}

/* 问答 */
.page-faq .faq-qa {
  margin-top: clamp(40px, 7vw, 84px);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 15px;
  font-size: 13.5px;
  color: var(--c-fog);
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  background: rgba(11, 44, 69, .6);
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: rgba(53, 242, 208, .08);
}

.page-faq .qa-group-title {
  margin: clamp(22px, 3.6vw, 34px) 0 12px;
  padding-top: 14px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--faq-mute);
  border-top: 1px solid var(--faq-line-soft);
  scroll-margin-top: 96px;
}

.page-faq .qa-group-title:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-faq .qa-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: rgba(11, 44, 69, .42);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa-item[open] {
  border-color: rgba(53, 242, 208, .42);
  background: rgba(11, 44, 69, .72);
}

.page-faq .qa-item > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 15px clamp(14px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
}

.page-faq .qa-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-code {
  display: none;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--c-amber);
}

.page-faq .qa-q {
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--c-fog);
  font-weight: 500;
}

.page-faq .qa-toggle {
  position: relative;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--faq-line);
}

.page-faq .qa-toggle::before,
.page-faq .qa-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--c-cyan);
  border-radius: 1px;
}

.page-faq .qa-toggle::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .qa-toggle::after {
  width: 1.5px;
  height: 9px;
  transition: opacity .2s var(--ease);
}

.page-faq .qa-item[open] .qa-toggle::after {
  opacity: 0;
}

.page-faq .qa-a {
  padding: 0 clamp(14px, 2.4vw, 22px) 18px;
  border-top: 1px solid var(--faq-line-soft);
  padding-top: 14px;
  margin: 0 clamp(14px, 2.4vw, 22px) 0;
  padding-left: 0;
  padding-right: 0;
}

.page-faq .qa-a p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-body);
}

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

.page-faq .qa-a a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, .42);
}

/* 联络 */
.page-faq .faq-contact {
  margin-top: clamp(42px, 7vw, 86px);
  padding: clamp(22px, 4vw, 44px);
  border-radius: var(--radius-l);
  border: 1px solid var(--faq-line);
  background:
    radial-gradient(560px 320px at 100% 0%, rgba(255, 180, 90, .1), transparent 68%),
    linear-gradient(150deg, rgba(11, 44, 69, .94), rgba(3, 18, 29, .94));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-contact-copy {
  margin: 12px 0 20px;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-contact-row dt {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faq-mute);
}

.page-faq .faq-contact-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-fog);
  word-break: break-word;
}

.page-faq .faq-contact-row--note dd {
  color: var(--faq-body);
  font-size: 13.5px;
}

/* 断点 */
@media (min-width: 560px) {
  .page-faq .qa-item > summary {
    grid-template-columns: 76px minmax(0, 1fr) auto;
  }

  .page-faq .qa-code {
    display: block;
  }

  .page-faq .faq-contact-row {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 700px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-faq .faq-panel--device {
    padding-right: clamp(20px, 3vw, 44px);
    border-right: 1px solid var(--faq-line);
  }

  .page-faq .faq-panel--people {
    padding-left: clamp(20px, 3vw, 44px);
  }

  .page-faq .faq-steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 22px);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-toggle::after,
  .page-faq .qa-item,
  .page-faq .faq-jump a {
    transition: none;
  }
}