.page-faq {
  --faq-rail: 44px;
  --faq-rail-x: 21px;
  display: block;
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 22px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-dim);
}

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: var(--grey);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(34px, 6vw, 76px);
  border-bottom: 3px solid var(--red);
  background:
    radial-gradient(115% 85% at 84% 4%, rgba(200, 16, 46, 0.62), transparent 60%),
    radial-gradient(78% 70% at 2% 102%, rgba(43, 179, 255, 0.16), transparent 62%),
    var(--night);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(243, 239, 231, 0.055) 0 1px,
    transparent 1px 5px
  );
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 2;
}

.page-faq .faq-slash {
  position: absolute;
  right: -8%;
  top: 12%;
  width: 48%;
  height: 58%;
  background: linear-gradient(135deg, rgba(200, 16, 46, 0.4), transparent 72%);
  clip-path: polygon(16% 0, 100% 0, 84% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-faq .faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 5px 11px;
  border: 2px solid rgba(245, 194, 75, 0.5);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 7vw, 70px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-shadow: 4px 4px 0 var(--red);
  overflow-wrap: anywhere;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

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

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 2px solid var(--hairline-strong);
}

.page-faq .faq-stat {
  padding: 14px 14px 16px;
  background: rgba(28, 28, 34, 0.92);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 2.1vw, 21px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted-dim);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-section {
  padding: clamp(38px, 6.5vw, 86px) 0;
  border-top: 1px solid var(--hairline);
}

.page-faq .faq-section--night {
  background: var(--night);
}

.page-faq .faq-section--carbon {
  background: var(--carbon);
}

.page-faq .faq-section--edged {
  border-top: 3px solid var(--red);
}

.page-faq .faq-section--red {
  border-top: 3px solid var(--night);
  background:
    radial-gradient(90% 120% at 88% 0%, rgba(255, 59, 92, 0.55), transparent 60%),
    linear-gradient(148deg, #c8102e 0%, #8d0a20 48%, #3a050f 100%);
}

.page-faq .faq-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: clamp(24px, 3.6vw, 38px);
  padding-bottom: 16px;
  border-bottom: 2px dashed rgba(255, 59, 92, 0.38);
}

.page-faq .faq-head--onred {
  border-bottom-color: rgba(11, 11, 15, 0.45);
}

.page-faq .faq-head__idx {
  font-size: clamp(20px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
}

.page-faq .faq-head--onred .faq-head__idx {
  color: var(--night);
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.9vw, 38px);
  line-height: 1.06;
  letter-spacing: -0.015em;
}

.page-faq .faq-head__note {
  flex: 1 1 100%;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-dim);
}

.page-faq .faq-head--onred .faq-head__note {
  color: rgba(11, 11, 15, 0.72);
}

/* ---------- 01 三步 ---------- */

.page-faq .faq-steps__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-faq .faq-steps__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(24px, 3.6vw, 34px);
}

.page-faq .faq-step {
  position: relative;
  padding-left: calc(var(--faq-rail) + 16px);
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: -4px;
  width: var(--faq-rail);
  text-align: center;
  font-size: clamp(20px, 3.4vw, 27px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: var(--faq-rail-x);
  top: 32px;
  bottom: -24px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 59, 92, 0.7), rgba(255, 59, 92, 0.08));
}

.page-faq .faq-step:last-child::after {
  display: none;
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.35;
}

.page-faq .faq-step__text {
  margin: 8px 0 0;
  max-width: 33em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-steps__figure {
  margin: 0;
  padding: 10px;
  border: 3px solid var(--hairline-strong);
  background: rgba(11, 11, 15, 0.6);
}

.page-faq .faq-steps__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--hairline);
}

.page-faq .faq-steps__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--muted-dim);
}

/* ---------- 02 两种方式 ---------- */

.page-faq .faq-ways {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-faq .faq-way {
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .faq-way--mail {
  background: var(--paper);
  color: var(--carbon);
  border: 3px solid var(--carbon);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-way--push {
  background: var(--night);
  color: var(--paper);
  border: 3px solid var(--neon);
  box-shadow: 6px 6px 0 rgba(255, 59, 92, 0.42);
}

.page-faq .faq-way__tag {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-faq .faq-way--mail .faq-way__tag {
  color: var(--red);
}

.page-faq .faq-way--push .faq-way__tag {
  color: var(--neon);
}

.page-faq .faq-way__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-faq .faq-way__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-way--push .faq-way__text {
  color: var(--muted);
}

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

.page-faq .faq-way__meta > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px dashed;
}

.page-faq .faq-way--mail .faq-way__meta > div {
  border-color: rgba(11, 11, 15, 0.2);
}

.page-faq .faq-way--push .faq-way__meta > div {
  border-color: var(--hairline);
}

.page-faq .faq-way__meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  opacity: 0.75;
}

.page-faq .faq-way__meta dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .faq-ways__foot {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 03 时间表 ---------- */

.page-faq .faq-slots__figure {
  margin: 0 0 clamp(22px, 3vw, 30px);
  border: 2px solid var(--hairline);
  background: rgba(28, 28, 34, 0.55);
  padding: 8px;
}

.page-faq .faq-slots__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-slots {
  display: grid;
  gap: 16px;
}

.page-faq .faq-slot {
  position: relative;
  padding: 20px 20px 22px 26px;
  border: 2px solid var(--hairline-strong);
  background: rgba(28, 28, 34, 0.78);
}

.page-faq .faq-slot::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--neon);
}

.page-faq .faq-slot--pm::before {
  background: var(--blue);
}

.page-faq .faq-slot__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16.5px, 2vw, 19px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-slot__text {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-slots__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 04 手势 ---------- */

.page-faq .faq-gesture {
  display: grid;
  gap: clamp(28px, 4vw, 50px);
  align-items: center;
}

.page-faq .faq-gesture__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-gesture__list li {
  padding-left: 18px;
  position: relative;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(243, 239, 231, 0.94);
}

.page-faq .faq-gesture__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--night);
}

.page-faq .faq-gesture__list strong {
  font-family: var(--font-display);
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.01em;
}

.page-faq .faq-gesture__note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 239, 231, 0.85);
}

.page-faq .faq-gesture__note .link-arrow {
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.page-faq .faq-gesture__device {
  display: flex;
  justify-content: center;
}

.page-faq .faq-device {
  position: relative;
  width: 100%;
  max-width: 290px;
  aspect-ratio: 9 / 17;
  border: 3px solid rgba(243, 239, 231, 0.88);
  background: rgba(11, 11, 15, 0.78);
  box-shadow: 12px 12px 0 rgba(11, 11, 15, 0.35);
  padding: 30px 16px 62px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  overflow: hidden;
}

.page-faq .faq-device__bar {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 5px;
  background: rgba(243, 239, 231, 0.55);
}

.page-faq .faq-device__line {
  display: block;
  height: 10px;
  background: rgba(243, 239, 231, 0.24);
}

.page-faq .faq-device__line--short {
  width: 62%;
}

.page-faq .faq-device__dock {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--neon);
  color: var(--night);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.22em;
}

/* ---------- 05 换设备 ---------- */

.page-faq .faq-switch {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--hairline-strong);
}

.page-faq .faq-switch__row {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-switch__row dt {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(16px, 2.1vw, 20px);
  line-height: 1.4;
  color: var(--gold);
  letter-spacing: -0.01em;
}

.page-faq .faq-switch__row dd {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 06 问答 ---------- */

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 30px);
}

.page-faq .faq-chip {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  background: transparent;
  color: var(--muted);
  border: 2px solid var(--hairline-strong);
  cursor: pointer;
  transition: color 140ms var(--ease), border-color 140ms var(--ease),
    background-color 140ms var(--ease);
}

.page-faq .faq-chip:hover {
  color: var(--neon);
  border-color: var(--neon);
}

.page-faq .faq-chip[aria-pressed="true"] {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--night);
}

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

.page-faq .faq-item {
  border: 2px solid var(--hairline-strong);
  background: rgba(11, 11, 15, 0.5);
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(255, 59, 92, 0.6);
}

.page-faq .faq-item[open] {
  border-color: var(--neon);
  box-shadow: inset 5px 0 0 var(--neon);
  background: rgba(11, 11, 15, 0.8);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 17px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15.5px, 1.9vw, 18px);
  line-height: 1.5;
  color: var(--paper);
}

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

.page-faq .faq-item__q::after {
  content: "＋";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--neon);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "－";
  color: var(--green);
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--gold);
  padding-top: 2px;
}

.page-faq .faq-item__text {
  min-width: 0;
}

.page-faq .faq-item__a {
  padding: 0 17px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a .link-arrow {
  color: var(--blue);
  border-bottom: 1px solid rgba(43, 179, 255, 0.5);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq {
    --faq-rail: 56px;
    --faq-rail-x: 27px;
  }

  .page-faq .faq-item__a {
    padding-left: 54px;
  }

  .page-faq .faq-switch__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-faq {
    --faq-rail: 64px;
    --faq-rail-x: 31px;
  }

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

  .page-faq .faq-way--mail {
    margin-top: 28px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.85fr);
  }

  .page-faq .faq-gesture {
    grid-template-columns: minmax(0, 1.2fr) minmax(230px, 320px);
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 330px);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-item {
    transition: none;
  }
}
<<<END>>>