.page-faq {
  margin-top: clamp(20px, 4vw, 42px);
  margin-bottom: clamp(56px, 9vw, 104px);
  --faq-gap-block: clamp(44px, 7vw, 88px);
}

/* ---------- 首屏框景 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-hero .rb-crumb {
  margin-bottom: 0;
}

.page-faq .faq-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--rb-line-strong);
  border-radius: 4px;
  background:
    radial-gradient(120% 140% at 8% 0%, rgba(31, 90, 69, 0.55) 0%, rgba(18, 53, 43, 0.85) 42%, rgba(11, 18, 16, 0.96) 100%);
  overflow: hidden;
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--rb-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--rb-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(88px, 22vw, 148px);
  height: 3px;
  background: linear-gradient(90deg, var(--rb-red) 0%, var(--rb-yellow) 100%);
}

.page-faq .faq-hero__gauge {
  display: flex;
  align-items: baseline;
  gap: 10px;
  position: relative;
}

.page-faq .faq-hero__gauge-num {
  font-family: var(--rb-font-num);
  font-size: clamp(46px, 10vw, 86px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.05em;
  color: var(--rb-yellow);
}

.page-faq .faq-hero__gauge-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--rb-slate);
}

.page-faq .faq-hero__body {
  position: relative;
  min-width: 0;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-size: clamp(1.62rem, 4.6vw, 2.72rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--rb-white);
}

.page-faq .faq-hero__lead {
  margin: 14px 0 0;
  max-width: 70ch;
  font-size: clamp(0.94rem, 1.4vw, 1rem);
  line-height: 1.8;
  color: var(--rb-mist);
}

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

.page-faq .faq-jump__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--rb-line);
  border-radius: 3px;
  background: rgba(31, 90, 69, 0.18);
  color: var(--rb-mist);
  font-size: 0.84rem;
  text-decoration: none;
  transition: border-color 0.25s var(--rb-ease), background-color 0.25s var(--rb-ease), color 0.25s var(--rb-ease);
}

.page-faq .faq-jump__item:hover,
.page-faq .faq-jump__item:focus-visible {
  border-color: var(--rb-cyan);
  background: rgba(95, 211, 179, 0.14);
  color: var(--rb-white);
}

.page-faq .faq-jump__idx {
  font-family: var(--rb-font-num);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--rb-yellow);
}

/* ---------- 区块骨架 ---------- */

.page-faq .faq-block {
  margin-top: var(--faq-gap-block);
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
  scroll-margin-top: calc(var(--rb-top-h) + 22px);
  min-width: 0;
}

.page-faq .faq-block__side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-faq .faq-block__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 28px;
  padding: 0 9px;
  font-family: var(--rb-font-num);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--rb-yellow);
  border: 1px solid rgba(245, 197, 66, 0.42);
  border-radius: 2px;
  background: rgba(245, 197, 66, 0.08);
}

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

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(1.24rem, 3.4vw, 1.76rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--rb-white);
}

.page-faq .faq-block__title::after {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-top: 12px;
  background: linear-gradient(90deg, var(--rb-red) 0%, var(--rb-yellow) 100%);
}

.page-faq .faq-block__intro {
  margin: 16px 0 0;
  max-width: 70ch;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--rb-mist);
}

.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* ---------- 排查步骤 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px 14px 13px;
  border: 1px solid var(--rb-line);
  border-left: 2px solid var(--rb-turf);
  border-radius: 3px;
  background: rgba(18, 53, 43, 0.42);
  transition: border-color 0.25s var(--rb-ease), background-color 0.25s var(--rb-ease);
}

.page-faq .faq-steps__item:hover {
  border-color: var(--rb-line-strong);
  border-left-color: var(--rb-cyan);
  background: rgba(31, 90, 69, 0.42);
}

.page-faq .faq-steps__n {
  font-family: var(--rb-font-num);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.7;
  color: var(--rb-cyan);
}

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

.page-faq .faq-steps__text h3 {
  margin: 0 0 5px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--rb-white);
}

.page-faq .faq-steps__text p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--rb-mist);
}

/* ---------- 双栏卡片 ---------- */

.page-faq .faq-duo {
  display: grid;
  gap: var(--rb-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

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

.page-faq .faq-card--warn {
  box-shadow: inset 2px 0 0 0 var(--rb-yellow);
}

.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.89rem;
  line-height: 1.75;
  color: var(--rb-mist);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--rb-red);
}

.page-faq .faq-list--dotted li::before {
  background: var(--rb-yellow);
}

/* ---------- 子区块 ---------- */

.page-faq .faq-sub {
  margin-top: clamp(24px, 3.6vw, 38px);
  padding: clamp(16px, 2.6vw, 26px);
  border: 1px solid var(--rb-line);
  border-radius: 4px;
  border-top: 2px solid var(--rb-turf);
  background: rgba(11, 18, 16, 0.55);
  scroll-margin-top: calc(var(--rb-top-h) + 22px);
}

.page-faq .faq-sub__title {
  margin: 0 0 10px;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--rb-white);
}

.page-faq .faq-sub p {
  margin: 0;
  max-width: 70ch;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--rb-mist);
}

.page-faq .faq-sub .faq-list {
  margin-top: 4px;
}

/* ---------- 版本检查清单 ---------- */

.page-faq .faq-checklist {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding: 11px 15px 11px 40px;
  border: 1px solid var(--rb-line);
  border-radius: 3px;
  background: rgba(11, 18, 16, 0.5);
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--rb-mist);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border: 1px solid var(--rb-yellow);
  border-radius: 1px;
  background: rgba(245, 197, 66, 0.2);
}

.page-faq .faq-num {
  font-family: var(--rb-font-num);
  font-weight: 700;
  color: var(--rb-yellow);
  letter-spacing: 0.02em;
}

/* ---------- 联系渠道 ---------- */

.page-faq .faq-chan {
  display: grid;
  gap: var(--rb-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-chan__item {
  display: grid;
  gap: 7px;
  align-content: start;
  min-width: 0;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--rb-line);
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(18, 53, 43, 0.62) 0%, rgba(11, 18, 16, 0.82) 100%);
}

.page-faq .faq-chan__item--primary {
  border-color: rgba(226, 59, 46, 0.52);
  box-shadow: inset 0 2px 0 0 var(--rb-red);
}

.page-faq .faq-chan__k {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--rb-slate);
}

.page-faq .faq-chan__v {
  font-family: var(--rb-font-num);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--rb-white);
  word-break: break-word;
}

.page-faq .faq-chan__v--text {
  font-family: var(--rb-font-sans);
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.7;
}

.page-faq .faq-chan__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--rb-slate);
}

/* ---------- 对照表 ---------- */

.page-faq .faq-matrix {
  margin-top: clamp(26px, 4vw, 42px);
  border: 1px solid var(--rb-line);
  border-radius: 4px;
  background: rgba(11, 18, 16, 0.55);
  padding: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-matrix__scroll {
  margin-top: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-matrix table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 0.87rem;
}

.page-faq .faq-matrix th,
.page-faq .faq-matrix td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--rb-line);
  vertical-align: top;
  line-height: 1.68;
}

.page-faq .faq-matrix thead th {
  background: var(--rb-turf);
  color: var(--rb-white);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  white-space: nowrap;
  border-bottom-color: var(--rb-line-strong);
}

.page-faq .faq-matrix tbody tr:nth-child(even) {
  background: rgba(18, 53, 43, 0.34);
}

.page-faq .faq-matrix tbody td {
  color: var(--rb-mist);
}

.page-faq .faq-matrix tbody td:first-child {
  color: var(--rb-yellow);
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-chan__item--primary {
    grid-column: 1 / -1;
  }
}

@media (min-width: 780px) {
  .page-faq .faq-hero__frame {
    grid-template-columns: minmax(118px, 168px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-hero__gauge {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-right: 22px;
    border-right: 1px solid var(--rb-line);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-block {
    grid-template-columns: 134px minmax(0, 1fr);
    gap: clamp(22px, 3vw, 42px);
  }

  .page-faq .faq-block__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

  .page-faq .faq-chan__item--primary {
    grid-column: auto;
  }
}

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