.page-faq {
  --faq-line: var(--c-rime);
}

/* ---------- 通用小节 ---------- */
.page-faq .faq-top {
  position: relative;
  overflow: hidden;
  padding-top: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-top::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -46%;
  width: min(460px, 70vw);
  height: min(460px, 70vw);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, rgba(20, 122, 138, 0.55), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-top > .container {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  margin: 0 0 clamp(1.2rem, 3vw, 2rem);
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-ice);
}

.page-faq .faq-crumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  opacity: 0.45;
}

.page-faq .faq-crumb a {
  color: var(--c-ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed) var(--ease), color var(--speed) var(--ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--c-snow);
  border-bottom-color: var(--c-orange);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 5vw, 3.6rem);
}

.page-faq .faq-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-pulse);
}

.page-faq .faq-kicker--dark {
  color: var(--c-orange-deep);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1.1rem;
  color: var(--c-snow);
  max-width: 14em;
}

.page-faq .faq-lead {
  margin: 0 0 1.5rem;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 0.48rem 0.95rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-teal-bright);
  color: var(--c-ice);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease), background-color var(--speed) var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--c-deep);
  background: var(--c-pulse);
  border-color: var(--c-pulse);
}

.page-faq .faq-hero-fig {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-teal-bright);
  background: linear-gradient(160deg, var(--c-teal), var(--c-deep));
}

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

.page-faq .faq-hero-fig figcaption {
  padding: 0.75rem 1rem;
  font-family: var(--font-data);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--c-ice);
}

/* ---------- 问答主区 ---------- */
.page-faq .faq-main {
  padding-block: clamp(2.4rem, 6vw, 4.5rem);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 4vw, 2.8rem);
}

.page-faq .faq-group {
  scroll-margin-top: 92px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.2rem, 4.5vw, 3.2rem);
  padding-top: clamp(2rem, 4vw, 2.8rem);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.85rem;
  align-items: start;
  margin-bottom: 1.1rem;
}

.page-faq .faq-glyph {
  grid-row: span 2;
  align-self: start;
  margin-top: 0.25rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-orange-deep);
}

.page-faq .faq-group-head h2 {
  margin: 0 0 0.45rem;
  color: var(--c-teal);
}

.page-faq .faq-group-head p {
  grid-column: 2;
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-faq .faq-group-head p a {
  color: var(--c-orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  background: var(--c-white);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 0.6rem;
}

.page-faq .faq-item[open] {
  border-color: var(--c-orange);
  box-shadow: 0 14px 34px -26px rgba(7, 52, 61, 0.9);
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1rem 3rem 1rem 1.15rem;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-ink);
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q::after {
  content: "";
  position: absolute;
  right: 1.2rem;
  top: 1.32rem;
  width: 0.6rem;
  height: 0.6rem;
  border-right: 2px solid var(--c-teal-bright);
  border-bottom: 2px solid var(--c-teal-bright);
  transform: rotate(45deg);
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(-135deg);
  border-color: var(--c-orange-deep);
}

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

.page-faq .faq-num {
  flex: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-teal-bright);
}

.page-faq .faq-item[open] .faq-num {
  color: var(--c-orange-deep);
}

.page-faq .faq-a {
  padding: 0.1rem 1.15rem 1.25rem;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-faq .faq-a > p {
  margin: 0 0 0.8rem;
}

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

.page-faq .faq-a a {
  color: var(--c-orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.7rem;
  padding-bottom: 0.85rem;
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: 0.79rem;
  top: 1.75rem;
  bottom: 0.15rem;
  width: 1px;
  background: var(--faq-line);
}

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

.page-faq .step-dot {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 600;
  background: var(--c-teal);
  color: var(--c-snow);
}

/* ---------- 侧栏联系卡 ---------- */
.page-faq .faq-aside-card {
  background: var(--c-deep);
  color: var(--c-snow);
  border: 1px solid var(--c-teal);
  border-radius: var(--r-lg);
  padding: clamp(1.2rem, 3vw, 1.6rem);
}

.page-faq .faq-aside-card h2 {
  margin: 0 0 0.55rem;
  color: var(--c-snow);
  font-size: 21px;
}

.page-faq .faq-aside-text {
  margin: 0 0 1.1rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ice);
}

.page-faq .faq-aside-row {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.85rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid rgba(185, 217, 223, 0.2);
}

.page-faq .faq-aside-label {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--c-teal-bright);
}

.page-faq .faq-aside-value {
  font-size: 15px;
  color: var(--c-snow);
  word-break: break-word;
}

.page-faq .faq-aside-value.mono {
  font-family: var(--font-data);
  font-size: 14px;
}

.page-faq .faq-aside-btn {
  margin-top: 1.2rem;
  width: 100%;
  justify-content: center;
}

/* ---------- 设备对比 ---------- */
.page-faq .faq-compare {
  padding-block: clamp(2.4rem, 6vw, 4.2rem);
}

.page-faq .faq-compare-head {
  max-width: 42em;
  margin-bottom: clamp(1.4rem, 3vw, 2.1rem);
}

.page-faq .faq-compare-head h2 {
  margin: 0 0 0.6rem;
  color: var(--c-teal);
}

.page-faq .faq-compare-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-faq .faq-compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-compare-fig {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-ice);
  background: linear-gradient(180deg, var(--c-rime), var(--c-snow));
}

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

.page-faq .faq-compare-fig figcaption {
  padding: 0.7rem 1rem;
  font-family: var(--font-data);
  font-size: 11px;
  line-height: 1.6;
  color: var(--c-teal);
}

.page-faq .faq-device-card {
  background: var(--c-white);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  padding: clamp(1.2rem, 3vw, 1.6rem);
}

.page-faq .faq-device-card + .faq-device-card {
  margin-top: 0.9rem;
}

.page-faq .faq-device-card.is-web {
  background: var(--c-teal);
  border-color: var(--c-teal);
  color: var(--c-snow);
}

.page-faq .faq-device-tag {
  display: inline-block;
  margin-bottom: 0.7rem;
  padding: 0.24rem 0.65rem;
  border-radius: var(--r-pill);
  background: var(--c-rime);
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-teal);
}

.page-faq .faq-device-card.is-web .faq-device-tag {
  background: rgba(46, 230, 168, 0.16);
  color: var(--c-pulse);
}

.page-faq .faq-device-card h3 {
  margin: 0 0 0.8rem;
  font-size: 22px;
  color: var(--c-teal);
}

.page-faq .faq-device-card.is-web h3 {
  color: var(--c-snow);
}

.page-faq .faq-device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .faq-device-list li {
  position: relative;
  padding-left: 1.15rem;
}

.page-faq .faq-device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--c-teal-bright);
}

.page-faq .faq-device-card.is-web .faq-device-list li::before {
  background: var(--c-pulse);
}

.page-faq .faq-device-card.is-web .faq-device-list {
  color: var(--c-ice);
}

.page-faq .faq-device-card.is-web .faq-device-list strong {
  color: var(--c-snow);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(2.6rem, 6vw, 4.4rem);
}

.page-faq .faq-contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 4vw, 2.6rem);
}

.page-faq .faq-contact h2 {
  margin: 0 0 0.9rem;
  color: var(--c-snow);
  max-width: 16em;
}

.page-faq .faq-contact-copy p {
  margin: 0 0 0.9rem;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-faq .faq-contact-copy p a {
  color: var(--c-pulse);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

.page-faq .faq-contact-card {
  background: var(--c-teal);
  border: 1px solid var(--c-teal-bright);
  border-radius: var(--r-lg);
  padding: clamp(1.2rem, 3vw, 1.6rem);
}

.page-faq .faq-contact-row {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 0.9rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid rgba(185, 217, 223, 0.2);
}

.page-faq .faq-contact-row:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact-label {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--c-teal-bright);
}

.page-faq .faq-contact-value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-snow);
  word-break: break-word;
}

.page-faq .faq-contact-value.mono {
  font-family: var(--font-data);
  font-size: 15px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-compare-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-contact-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: end;
  }

  .page-faq .faq-group-head {
    column-gap: 1.1rem;
  }

  .page-faq .faq-q {
    font-size: 17px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 310px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hit,
  .page-faq .faq-q::after,
  .page-faq .faq-item,
  .page-faq .faq-jump a {
    transition: none;
  }
}
<<<END>>>