.page-faq .breadcrumbs {
  padding-block: 18px 0;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: 28px 56px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 60vw;
  height: 60vw;
  max-width: 620px;
  max-height: 620px;
  background: radial-gradient(circle at 60% 40%, rgba(0, 229, 208, .16), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero__lead h1.display-xl {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(38px, 9.2vw, 86px);
  line-height: .98;
  letter-spacing: .01em;
  color: var(--snow);
  text-wrap: balance;
}

.page-faq .faq-hero__lead h1.display-xl::after {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  margin-top: 22px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--cyan), var(--pulse));
}

.page-faq .faq-hero__lead .lede {
  max-width: 34em;
  color: var(--mist);
}

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

.page-faq .faq-jump .chip {
  text-decoration: none;
  color: var(--snow);
  border: 1px solid var(--hair);
  background: rgba(28, 36, 43, .7);
  transition: color .16s var(--ease), border-color .16s var(--ease), transform .16s var(--ease);
}

.page-faq .faq-jump .chip:hover,
.page-faq .faq-jump .chip:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan-edge);
  transform: translateY(-2px);
}

.page-faq .faq-hero__meter {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-self: end;
}

.page-faq .faq-meter {
  padding: 16px 14px;
  border-radius: var(--r-m);
  border: 1px solid var(--raise);
  background: linear-gradient(160deg, var(--panel), rgba(11, 14, 17, .6));
}

.page-faq .faq-meter__val {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-faq .faq-meter__val .num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

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

.page-faq .faq-meter__cap {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 高频问答面板 ---------- */
.page-faq .faq-panel {
  padding: clamp(20px, 4vw, 40px);
  border-radius: var(--r-l);
  border: 1px solid var(--raise);
  background: var(--panel);
}

.page-faq .faq-panel > .eyebrow {
  margin-bottom: 6px;
}

.page-faq .faq-item {
  border-top: 1px solid var(--hair);
}

.page-faq .faq-item:first-of-type {
  border-top: 0;
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-block: 20px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 600;
  color: var(--snow);
  transition: color .16s var(--ease);
}

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

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--r-s);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-sign {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid var(--hair);
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  inset-inline: 7px;
  top: 50%;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.page-faq .faq-sign::before {
  transform: translateY(-50%);
}

.page-faq .faq-sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] > summary .faq-sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item[open] > summary .faq-sign {
  border-color: var(--cyan-edge);
  background: rgba(0, 229, 208, .12);
}

.page-faq .faq-a {
  position: relative;
  padding: 0 0 22px 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(0, 229, 208, .1));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .3s var(--ease);
}

.page-faq .faq-item[open] .faq-a::before {
  transform: scaleY(1);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-steps {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  counter-reset: fs;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: fs;
  padding-left: 30px;
  margin-bottom: 8px;
  color: var(--snow);
}

.page-faq .faq-steps li::before {
  content: counter(fs);
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(0, 229, 208, .14);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
}

.page-faq .faq-fig {
  margin: 16px 0 0;
  max-width: 320px;
}

.page-faq .faq-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-m);
  border: 1px solid var(--raise);
  object-fit: cover;
}

.page-faq .media-cap {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 筛选路径 ---------- */
.page-faq .faq-path__head .display-l {
  margin: 10px 0 14px;
  color: var(--snow);
  font-family: var(--font-display);
  font-size: clamp(28px, 5.4vw, 44px);
  line-height: 1.06;
  letter-spacing: .02em;
}

.page-faq .faq-path__head .lede {
  max-width: 34em;
  color: var(--mist);
}

.page-faq .faq-path__body {
  display: grid;
  gap: 28px;
  margin-top: 34px;
}

.page-faq .faq-path__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-path__steps li {
  position: relative;
  padding: 22px 0 22px 0;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-path__steps li:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-path__no {
  display: block;
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .12em;
  margin-bottom: 8px;
}

.page-faq .faq-path__steps h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
  color: var(--snow);
}

.page-faq .faq-path__steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-scenes {
  display: grid;
  gap: 12px;
}

.page-faq .faq-scene {
  padding: 18px 20px;
  border-radius: var(--r-m);
  border: 1px solid var(--raise);
  background: var(--panel);
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-scene:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-edge);
}

.page-faq .faq-scene--wide {
  background: linear-gradient(150deg, #12171C 0%, #0E3B3A 130%);
}

.page-faq .faq-scene__tag {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--pulse);
}

.page-faq .faq-scene h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--snow);
}

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

.page-faq .faq-path__foot {
  margin: 30px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 数值 Tab ---------- */
.page-faq .faq-nums__panel {
  padding: clamp(22px, 4.4vw, 46px);
  border-radius: var(--r-l);
  border: 1px solid rgba(0, 229, 208, .18);
  background: linear-gradient(165deg, #2A1F4E 0%, var(--indigo) 55%, #241A42 100%);
}

.page-faq .faq-nums__head .display-l {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(27px, 5.2vw, 42px);
  line-height: 1.08;
  letter-spacing: .02em;
  color: var(--snow);
}

.page-faq .faq-nums__head .lede {
  max-width: 34em;
  color: rgba(230, 245, 248, .72);
}

.page-faq .faq-tabs {
  margin-top: 26px;
}

.page-faq .faq-tabs .tabbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-tabs .tab {
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid rgba(230, 245, 248, .24);
  background: rgba(11, 14, 17, .42);
  color: rgba(230, 245, 248, .76);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-tabs .tab:hover,
.page-faq .faq-tabs .tab:focus-visible {
  color: var(--snow);
  border-color: var(--cyan-edge);
}

.page-faq .faq-tabs .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-tabs .tab[aria-selected="true"],
.page-faq .faq-tabs .tab.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-faq .faq-panelbody {
  margin-top: 18px;
  padding: 20px;
  border-radius: var(--r-m);
  border: 1px solid rgba(230, 245, 248, .16);
  background: rgba(11, 14, 17, .38);
}

.page-faq .faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(230, 245, 248, .8);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-faq .faq-list strong {
  color: var(--snow);
  font-weight: 600;
}

.page-faq .faq-nums__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(230, 245, 248, .62);
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

/* ---------- 设备问题 ---------- */
.page-faq .faq-device__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-device__text .display-l {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.4vw, 44px);
  line-height: 1.06;
  letter-spacing: .02em;
  color: var(--snow);
}

.page-faq .faq-device__text .lede {
  max-width: 34em;
  color: var(--mist);
  margin-bottom: 20px;
}

.page-faq .faq-device__text .faq-item {
  border-top: 1px solid var(--hair);
}

.page-faq .faq-device__text .faq-item:last-of-type {
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-device__fig {
  margin: 0;
  padding: 12px;
  border-radius: var(--r-l);
  border: 1px solid var(--raise);
  background: linear-gradient(160deg, var(--panel), #0B0E11);
}

.page-faq .faq-device__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-m);
  object-fit: cover;
}

/* ---------- 排查流程 ---------- */
.page-faq .faq-flow {
  padding: clamp(22px, 4.4vw, 44px);
  border-radius: var(--r-l);
  border: 1px solid rgba(0, 229, 208, .2);
  background: linear-gradient(150deg, #0E3B3A 0%, #0A2A29 60%, #0B0E11 100%);
}

.page-faq .faq-flow__head .display-l {
  margin: 10px 0 26px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.08;
  letter-spacing: .02em;
  color: var(--snow);
}

.page-faq .faq-flow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: fl;
}

.page-faq .faq-flow__step {
  position: relative;
  padding: 18px 18px 18px 18px;
  border-radius: var(--r-m);
  border: 1px solid rgba(0, 229, 208, .2);
  background: rgba(11, 14, 17, .44);
}

.page-faq .faq-flow__no {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-flow__step h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--snow);
}

.page-faq .faq-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(230, 245, 248, .72);
}

/* ---------- 清单卡点 ---------- */
.page-faq .faq-stuck__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-stuck__head .display-l {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(27px, 5.2vw, 42px);
  line-height: 1.08;
  letter-spacing: .02em;
  color: var(--snow);
}

.page-faq .faq-stuck__head .lede {
  max-width: 32em;
  color: var(--mist);
  margin-bottom: 20px;
}

.page-faq .faq-stuck__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-stuck__list li {
  padding: 20px;
  border-radius: var(--r-m);
  border: 1px solid var(--raise);
  background: linear-gradient(155deg, #1C1018 0%, var(--wine) 150%);
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}

.page-faq .faq-stuck__list li:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 75, 31, .4);
}

.page-faq .faq-stuck__no {
  display: block;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--pulse);
  margin-bottom: 8px;
}

.page-faq .faq-stuck__list h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--snow);
}

.page-faq .faq-stuck__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(230, 245, 248, .76);
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact__panel {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 4.4vw, 44px);
  border-radius: var(--r-l);
  border: 1px solid var(--raise);
  background: linear-gradient(160deg, var(--panel) 0%, #0B0E11 100%);
}

.page-faq .faq-contact__text .display-l {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.08;
  letter-spacing: .02em;
  color: var(--snow);
}

.page-faq .faq-contact__text .lede {
  max-width: 32em;
  color: var(--mist);
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

.page-faq .faq-contact__card {
  padding: 22px;
  border-radius: var(--r-m);
  border: 1px solid var(--cyan-edge);
  background: rgba(0, 229, 208, .05);
}

.page-faq .faq-contact__dl {
  margin: 0 0 18px;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__dl dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
  margin-bottom: 4px;
}

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

.page-faq .faq-contact__card .btn {
  display: inline-block;
  text-decoration: none;
}

.page-faq .faq-prep {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-prep h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .04em;
  color: var(--snow);
}

.page-faq .faq-prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-prep__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-prep__list .num {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--pulse);
  letter-spacing: .1em;
}

.page-faq .faq-prep__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-prep__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-edge);
}

.page-faq .faq-prep__foot a:hover,
.page-faq .faq-prep__foot a:focus-visible {
  color: var(--snow);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding-block: 36px 76px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 28px;
  }

  .page-faq .faq-hero__meter {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 6px;
  }

  .page-faq .faq-meter__val .num {
    font-size: 38px;
  }

  .page-faq .faq-panel {
    padding: 36px 40px;
  }

  .page-faq .faq-item > summary {
    font-size: 18px;
    padding-block: 24px;
  }

  .page-faq .faq-path__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-scene--wide {
    grid-column: span 2;
  }

  .page-faq .faq-device__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-faq .faq-stuck__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 28px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-flow__step + .faq-flow__step::before {
    content: "";
    position: absolute;
    left: -10px;
    top: 32px;
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--cyan);
    border-right: 2px solid var(--cyan);
    transform: rotate(45deg);
    opacity: .7;
  }

  .page-faq .faq-hero__meter {
    transform: translateY(10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump .chip:hover,
  .page-faq .faq-scene:hover,
  .page-faq .faq-stuck__list li:hover {
    transform: none;
  }

  .page-faq .faq-a::before,
  .page-faq .faq-sign::before,
  .page-faq .faq-sign::after {
    transition: opacity .16s linear;
  }
}
<<<END>>>