.page-faq {
  --faq-cut: 18px;
  --faq-gap: clamp(24px, 4vw, 56px);
  --faq-soft: var(--mbx-line-soft);
  background:
    radial-gradient(90% 55% at 88% -6%, rgba(122, 14, 30, 0.55), transparent 62%),
    radial-gradient(70% 42% at 0% 26%, rgba(53, 224, 224, 0.07), transparent 70%),
    var(--mbx-ink);
  color: var(--mbx-fog);
  overflow-x: clip;
  padding-bottom: clamp(32px, 5vw, 72px);
}

.page-faq h2,
.page-faq h3 {
  color: var(--mbx-fog);
}

.page-faq .faq-h2 {
  font-family: var(--mbx-font-body);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
}

.page-faq .faq-head {
  max-width: 760px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-faq .faq-head__note {
  margin: 14px 0 0;
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero__streak {
  position: absolute;
  top: -30%;
  bottom: -20%;
  left: 58%;
  width: 34%;
  display: none;
  pointer-events: none;
  background: repeating-linear-gradient(
    116deg,
    rgba(53, 224, 224, 0.14) 0 2px,
    transparent 2px 24px
  );
  transform: skewX(-12deg);
  opacity: 0.55;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  margin-top: clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero__title {
  font-family: var(--mbx-font-body);
  font-weight: 300;
  font-size: clamp(38px, 9vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin: 14px 0 0;
}

.page-faq .faq-hero__title em {
  font-style: normal;
  font-weight: 800;
  color: var(--mbx-amber);
  display: inline-block;
}

.page-faq .faq-hero__lede .mbx-lead {
  margin-top: clamp(18px, 2.4vw, 26px);
  color: #CFD5DF;
}

.page-faq .faq-hero__aside-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mbx-mute);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--mbx-line);
}

.page-faq .faq-quick li {
  border-bottom: 1px solid var(--faq-soft);
}

.page-faq .faq-quick a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 2px;
  color: var(--mbx-fog);
  text-decoration: none;
  font-size: 15px;
  transition: color 180ms var(--mbx-ease), transform 180ms var(--mbx-ease);
}

.page-faq .faq-quick a span {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mbx-cyan);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  color: var(--mbx-cyan);
  transform: translateX(4px);
}

.page-faq .faq-quick a:focus-visible {
  outline: 2px solid var(--mbx-cyan);
  outline-offset: 2px;
}

/* ---------- 三步路径 ---------- */

.page-faq .faq-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-faq .faq-track__step {
  position: relative;
  padding: clamp(22px, 3vw, 30px) 0 0;
  border-top: 2px solid var(--mbx-line);
}

.page-faq .faq-track__step::after {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mbx-panel-2);
  border: 2px solid var(--mbx-line);
}

.page-faq .faq-track__step:first-child {
  border-top-color: var(--mbx-cyan);
}

.page-faq .faq-track__step:first-child::after {
  background: var(--mbx-cyan);
  border-color: var(--mbx-cyan);
}

.page-faq .faq-track__num {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mbx-mute);
  margin-bottom: 10px;
}

.page-faq .faq-track__step:first-child .faq-track__num {
  color: var(--mbx-cyan);
}

.page-faq .faq-track__step h3 {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  margin: 0 0 8px;
  font-weight: 600;
}

.page-faq .faq-track__step p {
  margin: 0;
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 检索 ---------- */

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

.page-faq .faq-split__main .mbx-lead {
  margin-top: 16px;
}

.page-faq .faq-split__main p {
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.8;
  margin: 16px 0 0;
}

.page-faq .faq-split__main strong {
  color: var(--mbx-cyan);
  font-weight: 600;
}

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

.page-faq .faq-filter {
  background: var(--mbx-panel);
  padding: 18px 18px 20px;
  border-top: 2px solid var(--mbx-red);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-filter__tag {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--mbx-amber);
}

.page-faq .faq-filter h3 {
  font-size: 17px;
  margin: 8px 0 6px;
  font-weight: 600;
}

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

.page-faq .faq-legend {
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 18px 18px 20px;
  background: var(--mbx-panel-2);
  border-left: 2px solid var(--mbx-blue);
}

.page-faq .faq-legend__title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mbx-mute);
}

.page-faq .faq-legend__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-legend__row {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-legend__row:first-child {
  border-top: 0;
}

.page-faq .faq-legend__name {
  font-size: 14px;
  font-weight: 600;
}

.page-faq .faq-legend__track {
  display: block;
  height: 4px;
  background: var(--faq-soft);
  position: relative;
}

.page-faq .faq-legend__fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
}

.page-faq .faq-legend__fill--a {
  width: 88%;
  background: var(--mbx-cyan);
}

.page-faq .faq-legend__fill--b {
  width: 62%;
  background: var(--mbx-blue);
}

.page-faq .faq-legend__fill--c {
  width: 44%;
  background: var(--mbx-amber);
}

.page-faq .faq-legend__desc {
  font-size: 13px;
  color: var(--mbx-mute);
  line-height: 1.6;
}

/* ---------- 图片 ---------- */

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--mbx-panel);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mbx-mute);
}

/* ---------- 测试版入口 ---------- */

.page-faq .faq-beta__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-beta__copy p {
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.8;
  margin: 16px 0 0;
}

.page-faq .faq-mini {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-mini li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 13px 16px;
  background: var(--mbx-panel);
  color: #D6DBE4;
  font-size: 15px;
  line-height: 1.6;
  border-left: 2px solid var(--mbx-cyan);
}

.page-faq .faq-mini li span {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mbx-cyan);
  padding-top: 3px;
}

/* ---------- 小屏 ---------- */

.page-faq .faq-screen__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

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

.page-faq .faq-points li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-soft);
}

.page-faq .faq-points li:first-child {
  padding-top: 0;
}

.page-faq .faq-points__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mbx-amber);
  padding-top: 4px;
}

.page-faq .faq-points h3 {
  font-size: 17px;
  margin: 0 0 6px;
  font-weight: 600;
  line-height: 1.35;
}

.page-faq .faq-points p {
  margin: 0;
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 会员 ---------- */

.page-faq .faq-member__inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-member__copy p {
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.8;
  margin: 16px 0 0;
}

.page-faq .faq-member__copy .mbx-btn {
  margin-top: 24px;
}

.page-faq .faq-member__panel {
  background: var(--mbx-panel);
  padding: clamp(20px, 3vw, 30px);
  border-top: 2px solid var(--mbx-amber);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-faq .faq-member__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mbx-amber);
}

.page-faq .faq-member__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-member__list li {
  position: relative;
  padding: 10px 0 10px 18px;
  border-bottom: 1px solid var(--faq-soft);
  font-size: 15px;
  line-height: 1.65;
  color: #D6DBE4;
}

.page-faq .faq-member__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-member__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 7px;
  height: 2px;
  background: var(--mbx-amber);
}

/* ---------- 家庭 ---------- */

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

.page-faq .faq-family__card {
  padding: 22px 20px 24px;
  background: var(--mbx-panel);
  border-left: 2px solid var(--mbx-cyan);
}

.page-faq .faq-family__card:nth-child(2) {
  border-left-color: var(--mbx-blue);
}

.page-faq .faq-family__card:nth-child(3) {
  border-left-color: var(--mbx-amber);
}

.page-faq .faq-family__tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--mbx-mute);
  border: 1px solid var(--mbx-line);
  padding: 3px 9px;
}

.page-faq .faq-family__card h3 {
  font-size: 18px;
  margin: 14px 0 8px;
  font-weight: 600;
  line-height: 1.35;
}

.page-faq .faq-family__card p {
  margin: 0;
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 手风琴 ---------- */

.page-faq .faq-qa {
  border-top: 1px solid var(--mbx-line);
}

.page-faq .faq-qa__item {
  border-bottom: 1px solid var(--mbx-line);
  transition: background-color 200ms var(--mbx-ease);
}

.page-faq .faq-qa__item[open] {
  background: var(--mbx-panel);
}

.page-faq .faq-qa__item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 18px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-qa__item summary:focus-visible {
  outline: 2px solid var(--mbx-cyan);
  outline-offset: -2px;
}

.page-faq .faq-qa__code {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mbx-cyan);
}

.page-faq .faq-qa__cat {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--mbx-mute);
  border: 1px solid var(--mbx-line);
  padding: 2px 8px;
}

.page-faq .faq-qa__title {
  flex: 1 1 60%;
  min-width: 0;
  font-size: clamp(15px, 1.8vw, 19px);
  font-weight: 600;
  line-height: 1.45;
  transition: color 180ms var(--mbx-ease);
}

.page-faq .faq-qa__item summary:hover .faq-qa__title {
  color: var(--mbx-cyan);
}

.page-faq .faq-qa__sign {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 18px;
  height: 18px;
  align-self: center;
}

.page-faq .faq-qa__sign::before,
.page-faq .faq-qa__sign::after {
  content: "";
  position: absolute;
  background: var(--mbx-cyan);
  transition: transform 200ms var(--mbx-ease);
}

.page-faq .faq-qa__sign::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-qa__sign::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-qa__item[open] .faq-qa__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-qa__body {
  padding: 0 14px 22px;
}

.page-faq .faq-qa__body p {
  margin: 0;
  max-width: 68ch;
  color: var(--mbx-mute);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 结尾入口 ---------- */

.page-faq .faq-next {
  margin-top: clamp(34px, 5vw, 64px);
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--mbx-line);
}

.page-faq .faq-next__links {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.page-faq .faq-next__links a {
  display: block;
  padding: 18px 20px;
  background: var(--mbx-panel);
  border-left: 2px solid var(--mbx-red);
  color: var(--mbx-fog);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: transform 200ms var(--mbx-ease), background-color 200ms var(--mbx-ease), color 200ms var(--mbx-ease);
}

.page-faq .faq-next__links a:hover,
.page-faq .faq-next__links a:focus-visible {
  transform: translateY(-3px);
  background: var(--mbx-panel-2);
  color: var(--mbx-cyan);
}

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

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 40px);
  }

  .page-faq .faq-family__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__streak {
    display: block;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-faq .faq-beta__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-screen__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-member__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(32px, 4vw, 64px);
  }
}

@media (max-width: 420px) {
  .page-faq .faq-qa__item summary {
    padding: 16px 12px;
  }

  .page-faq .faq-qa__body {
    padding: 0 12px 20px;
  }
}
<<<END>>>