.page-faq {
  --faq-line: var(--lj-steel);
  background: var(--lj-ink);
  color: var(--lj-fog);
  overflow-x: hidden;
}

/* ---------- 首屏海报 ---------- */
.page-faq .faq-mast {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(24px, 4vw, 48px)) 0 clamp(38px, 6vw, 74px);
  border-bottom: 2px solid var(--lj-steel);
  background:
    radial-gradient(110% 82% at 90% -6%, rgba(141, 107, 255, 0.34), transparent 60%),
    radial-gradient(72% 62% at 3% 6%, rgba(57, 242, 208, 0.14), transparent 62%),
    linear-gradient(180deg, #0a1120 0%, var(--lj-ink) 72%);
}

.page-faq .faq-mast::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    rgba(233, 242, 248, 0.05) 0 1px,
    transparent 1px 68px
  );
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
}

.page-faq .faq-mast > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-mast .breadcrumbs {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-mast__title {
  margin: clamp(14px, 2.4vw, 26px) 0 0;
  font-size: clamp(36px, 7.2vw, 86px);
  font-weight: 200;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--lj-fog);
}

.page-faq .faq-mast__strong {
  display: inline-block;
  font-weight: 800;
  letter-spacing: -0.015em;
  background: linear-gradient(180deg, transparent 62%, rgba(57, 242, 208, 0.34) 62%);
}

.page-faq .faq-mast__lead {
  max-width: 62ch;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-mast__ticks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-mast__ticks li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lj-silver);
}

.page-faq .faq-mast__ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--lj-cyan);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(34px, 5vw, 68px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 坐标索引 ---------- */
.page-faq .faq-index {
  border: 2px solid var(--lj-steel);
  background: linear-gradient(180deg, rgba(13, 23, 40, 0.96), rgba(7, 11, 20, 0.96));
  padding: 15px 13px 17px;
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-index__head {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--lj-steel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lj-cyan);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.page-faq .faq-index__list a {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--lj-steel);
  color: var(--lj-silver);
  text-decoration: none;
  font-size: 13.5px;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(57, 242, 208, 0.6);
}

.page-faq .faq-index__list a:hover {
  color: var(--lj-fog);
  border-color: var(--lj-cyan);
  background: rgba(57, 242, 208, 0.07);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--lj-cyan);
  outline-offset: 2px;
  color: var(--lj-fog);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: calc(var(--header-h) + 20px);
  padding-bottom: clamp(30px, 4vw, 48px);
  margin-bottom: clamp(30px, 4vw, 48px);
  border-bottom: 1px solid var(--lj-steel);
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: 14px;
}

.page-faq .faq-sec__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 0.88;
  letter-spacing: -0.02em;
  color: rgba(57, 242, 208, 0.18);
  -webkit-text-stroke: 1px rgba(57, 242, 208, 0.55);
}

.page-faq .faq-sec__title {
  margin: 0;
  padding-top: 2px;
  font-size: clamp(21px, 3.1vw, 32px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--lj-fog);
}

.page-faq .faq-sec__intro {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(233, 242, 248, 0.76);
}

/* ---------- 三步 ---------- */
.page-faq .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .step {
  border: 2px solid var(--lj-steel);
  background: var(--lj-deck);
  padding: 20px 17px 20px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .step:hover {
  transform: translate(-2px, -2px);
  border-color: var(--lj-cyan);
  box-shadow: var(--shadow-hard);
}

.page-faq .step__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lj-cyan);
}

.page-faq .step__title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--lj-fog);
}

.page-faq .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(233, 242, 248, 0.74);
}

/* ---------- 图片框 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 10px;
  border: 2px solid var(--lj-steel);
  border-top: 3px solid var(--lj-cyan);
  background: var(--lj-deck);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(38, 55, 74, 0.95);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--lj-silver);
}

/* ---------- 对照查询 ---------- */
.page-faq .compare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .compare-note {
  padding: 20px 17px;
}

.page-faq .compare-note h3 {
  margin: 0 0 12px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--lj-fog);
}

.page-faq .compare-note ul {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .compare-note li {
  padding-left: 12px;
  border-left: 2px solid var(--lj-cyan);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(233, 242, 248, 0.78);
}

.page-faq .compare-note li strong {
  color: var(--lj-cyan);
  font-weight: 700;
}

.page-faq .compare-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--lj-silver);
}

.page-faq .faq-figure--strip {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-faq .strip__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  fill: var(--lj-silver);
}

.page-faq .strip__bar {
  fill: rgba(57, 242, 208, 0.12);
  stroke: var(--lj-steel);
  stroke-width: 1.5;
}

.page-faq .strip__bar--warm {
  fill: rgba(57, 242, 208, 0.3);
  stroke: rgba(57, 242, 208, 0.6);
}

.page-faq .strip__bar--hot {
  fill: rgba(57, 242, 208, 0.55);
  stroke: var(--lj-cyan);
}

.page-faq .strip__axis {
  stroke: var(--lj-steel);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

/* ---------- 阵容信息卡 ---------- */
.page-faq .info-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .info-card {
  padding: 17px 16px 18px;
  border: 2px solid var(--lj-steel);
  border-left: 4px solid var(--lj-cyan);
  background: rgba(13, 23, 40, 0.86);
  transition: border-left-color 0.2s ease, background 0.2s ease;
}

.page-faq .info-card:hover {
  border-left-color: var(--lj-orange);
  background: rgba(13, 23, 40, 1);
}

.page-faq .info-card h3 {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--lj-fog);
}

.page-faq .info-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(233, 242, 248, 0.72);
}

/* ---------- 下载安装 ---------- */
.page-faq .install-steps {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: inst;
  display: grid;
  gap: 10px;
}

.page-faq .install-steps li {
  counter-increment: inst;
  position: relative;
  padding: 12px 14px 12px 46px;
  border: 1px solid var(--lj-steel);
  background: rgba(13, 23, 40, 0.7);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(233, 242, 248, 0.8);
  transition: border-color 0.18s ease;
}

.page-faq .install-steps li:hover {
  border-color: rgba(57, 242, 208, 0.6);
}

.page-faq .install-steps li::before {
  content: counter(inst, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lj-cyan);
}

.page-faq .pkg-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--lj-steel);
}

.page-faq .pkg-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 16px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--lj-steel);
  font-size: 14px;
}

.page-faq .pkg-list__name {
  color: var(--lj-fog);
}

.page-faq .pkg-list__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--lj-silver);
}

.page-faq .pkg-total {
  margin: 16px 0 0;
  padding: 14px 16px;
  border: 2px dashed rgba(38, 55, 74, 0.95);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--lj-silver);
}

.page-faq .pkg-total strong {
  font-size: 17px;
  color: var(--lj-cyan);
}

/* ---------- 收藏事实表 ---------- */
.page-faq .fav-facts {
  margin: 0;
  border: 2px solid var(--lj-steel);
  background: rgba(13, 23, 40, 0.8);
}

.page-faq .fav-facts > div {
  display: grid;
  gap: 6px;
  padding: 14px 15px;
  border-bottom: 1px solid var(--lj-steel);
}

.page-faq .fav-facts > div:last-child {
  border-bottom: 0;
}

.page-faq .fav-facts dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--lj-cyan);
}

.page-faq .fav-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(233, 242, 248, 0.78);
}

/* ---------- 反馈 ---------- */
.page-faq .feedback {
  display: grid;
  gap: 18px;
  padding: 20px 17px;
}

.page-faq .feedback__col h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--lj-fog);
}

.page-faq .feedback__col p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(233, 242, 248, 0.76);
}

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

.page-faq .feedback__col + .feedback__col {
  padding-top: 18px;
  border-top: 1px solid var(--lj-steel);
}

.page-faq .feedback__col .btn {
  margin-top: 4px;
}

/* ---------- 常见问题折叠 ---------- */
.page-faq .qa-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 2px solid var(--lj-steel);
  background: rgba(13, 23, 40, 0.82);
  transition: border-color 0.18s ease;
}

.page-faq .qa:hover {
  border-color: rgba(57, 242, 208, 0.55);
}

.page-faq .qa[open] {
  border-color: var(--lj-cyan);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 15px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--lj-fog);
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--lj-cyan);
  outline-offset: -2px;
}

.page-faq .qa__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--lj-silver);
}

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lj-cyan);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
}

.page-faq .qa__a {
  padding: 13px 15px 16px;
  border-top: 1px solid rgba(38, 55, 74, 0.9);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(233, 242, 248, 0.76);
}

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

.page-faq .qa__a p + p {
  margin-top: 10px;
}

.page-faq .qa__link {
  color: var(--lj-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__link:hover {
  color: var(--lj-cyan);
}

.page-faq .qa__link:focus-visible {
  outline: 2px solid var(--lj-cyan);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .fav-facts > div {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-faq .feedback__col p {
    font-size: 14.5px;
  }
}

@media (min-width: 760px) {
  .page-faq .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-faq .feedback {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
    padding: 24px 22px;
  }

  .page-faq .feedback__col + .feedback__col {
    padding-top: 0;
    padding-left: 26px;
    border-top: 0;
    border-left: 1px solid var(--lj-steel);
  }
}

@media (min-width: 860px) {
  .page-faq .compare-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-index__list {
    display: grid;
    overflow-x: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list a {
    border-color: transparent;
    border-left: 2px solid transparent;
    padding: 8px 8px 8px 6px;
    white-space: normal;
  }

  .page-faq .faq-index__list a:hover {
    border-color: transparent;
    border-left-color: var(--lj-cyan);
  }
}
<<<END>>>