.page-faq {
  --faq-gap: clamp(20px, 3.6vw, 44px);
  --faq-panel: rgba(14, 33, 26, 0.72);
  --faq-panel-strong: rgba(22, 51, 41, 0.9);
  color: var(--text-hi);
  background:
    radial-gradient(760px 420px at 84% 0%, rgba(183, 255, 60, 0.1), transparent 62%),
    radial-gradient(620px 420px at 6% 26%, rgba(111, 168, 255, 0.08), transparent 66%);
}

.page-faq [id] {
  scroll-margin-top: 118px;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: 42px 16px;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.9;
  color: var(--text-mid);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--text-mid);
}

.page-faq .faq-hero-facts .mono {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-hero-visual {
  position: relative;
  padding: 6px;
  transform: rotate(-1.2deg);
}

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

/* ---------- 场景跳转 ---------- */
.page-faq .faq-jump {
  padding-block: 30px 6px;
}

.page-faq .faq-jump-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

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

.page-faq .faq-jump-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--faq-panel);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-faq .faq-jump-card:hover,
.page-faq .faq-jump-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(183, 255, 60, 0.55);
  background: var(--faq-panel-strong);
}

.page-faq .faq-jump-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .faq-jump-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-hi);
}

.page-faq .faq-jump-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-mid);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-block: clamp(36px, 5vw, 68px);
}

.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-side {
  border-left: 1px solid var(--line);
  padding-left: 14px;
}

.page-faq .faq-side-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-mid);
}

.page-faq .faq-side-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-faq .faq-side-list li {
  flex: none;
}

.page-faq .faq-side-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-mid);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-side-list a:hover,
.page-faq .faq-side-list a:focus-visible {
  color: var(--lime);
  border-color: rgba(183, 255, 60, 0.5);
}

.page-faq .faq-side-list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime-deep);
}

.page-faq .faq-side-card {
  display: none;
  margin-top: 22px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(22, 51, 41, 0.9), rgba(7, 19, 15, 0.75));
}

.page-faq .faq-side-card-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-hi);
}

.page-faq .faq-side-card-text {
  margin: 0 0 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-mid);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 4.5vw, 58px);
  padding-top: clamp(26px, 3vw, 40px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group-head {
  margin-bottom: 16px;
}

.page-faq .faq-group-no {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  border: 1px solid rgba(183, 255, 60, 0.45);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--text-hi);
}

.page-faq .faq-group-lede {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mid);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--faq-panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item:hover {
  border-color: rgba(111, 168, 255, 0.42);
}

.page-faq .faq-item[open] {
  border-color: rgba(183, 255, 60, 0.42);
  background: var(--faq-panel-strong);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text-hi);
}

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

.page-faq .faq-q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--lime);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "\2212";
  color: var(--orange);
}

.page-faq .faq-a {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-mid);
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-a a {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-color: rgba(183, 255, 60, 0.45);
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--text-hi);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 36px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-hi);
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  padding: 1px 4px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

.page-faq .faq-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fields li {
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--lime-deep);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-hi);
}

.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 14px;
}

.page-faq .faq-legend span {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mid);
}

.page-faq .faq-legend .is-realtime {
  border-color: var(--lime);
  color: var(--lime);
}

.page-faq .faq-legend .is-minute {
  border-color: var(--blue);
  color: var(--blue);
}

.page-faq .faq-legend .is-day {
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 16px 0 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-mid);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(34px, 5vw, 72px) clamp(44px, 6vw, 84px);
}

.page-faq .faq-contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, rgba(22, 51, 41, 0.96), rgba(7, 19, 15, 0.92));
}

.page-faq .faq-contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--blue) 55%, var(--orange));
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-contact-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--text-hi);
}

.page-faq .faq-contact-text {
  margin: 12px 0 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-faq .faq-contact-list {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact-list li {
  display: grid;
  gap: 3px;
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-mid);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-hi);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-mid);
}

.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-next a {
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--text-hi);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-next a:hover,
.page-faq .faq-next a:focus-visible {
  color: var(--lime);
  border-color: rgba(183, 255, 60, 0.6);
}

.page-faq .faq-figure--contact {
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-jump-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-block: 62px 22px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    gap: 40px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 118px;
    align-self: start;
    padding-left: 16px;
  }

  .page-faq .faq-side-list {
    display: grid;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side-list a {
    justify-content: flex-start;
    width: 100%;
    padding: 8px 10px;
    border-color: transparent;
    border-radius: var(--radius-s);
  }

  .page-faq .faq-side-list a:hover,
  .page-faq .faq-side-list a:focus-visible {
    border-color: var(--line);
    background: rgba(22, 51, 41, 0.6);
  }

  .page-faq .faq-side-card {
    display: block;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-jump-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

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

  .page-faq .faq-jump-card:hover,
  .page-faq .faq-jump-card:focus-visible {
    transform: none;
  }

  .page-faq .faq-hero-visual {
    transform: none;
  }
}
<<<END>>>