.page-products {
  --dl-gap: 1px;
}

.page-products .hero {
  padding-bottom: 8px;
}

.page-products .hero-split {
  display: grid;
  gap: 32px;
  margin-top: 22px;
}

.page-products .hero-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-products .h-display {
  font-size: clamp(36px, 8.4vw, 92px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 200;
  margin: 0;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .hero-fig {
  margin: 0;
}

.page-products .fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .hero-fig img {
  border: 1px solid var(--line);
}

.page-products .fig__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

.page-products .h2 {
  font-size: clamp(26px, 4.6vw, 40px);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
}

.page-products .prose {
  color: var(--muted);
}

/* 下载带 */
.page-products .dl-band {
  display: grid;
  gap: var(--dl-gap);
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 28px;
}

.page-products .dl-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 26px 22px 24px;
  background: var(--panel);
  transition: background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-products .dl-card:hover {
  background: var(--panel-2);
  box-shadow: inset 0 2px 0 var(--cyan);
}

.page-products .dl-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-card__name {
  margin: 0;
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.page-products .sym {
  width: 26px;
  height: 26px;
  flex: none;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-size: 14px;
}

.page-products .spec-row > span:first-child {
  color: var(--dim);
  flex: none;
}

.page-products .spec-row > span:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  text-align: right;
  min-width: 0;
}

.page-products .dl-card__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .dl-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  align-self: flex-start;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-products .dl-card__go:hover,
.page-products .dl-card__go:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-products .dl-foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dim);
  max-width: 62ch;
}

/* 横向图带 */
.page-products .band-fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-products .band-fig img {
  filter: saturate(0.7) brightness(0.86);
}

/* 稳定入口 */
.page-products .split {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-products .tick-list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .tick-list li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.7;
  color: var(--white);
}

.page-products .tick-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-products .stable-fig {
  margin: 0;
}

.page-products .stable-fig img {
  border: 1px solid var(--line);
}

/* 兼容清单 */
.page-products .spec-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .spec {
  border-bottom: 1px solid var(--line);
}

.page-products .spec:last-child {
  border-bottom: 0;
}

.page-products .spec summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 2px;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

.page-products .spec summary::-webkit-details-marker {
  display: none;
}

.page-products .spec summary::after {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.22s var(--ease);
}

.page-products .spec[open] summary::after {
  transform: rotate(-135deg);
}

.page-products .spec summary:hover .spec__name {
  color: var(--cyan);
}

.page-products .spec__idx {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .spec__name {
  flex: 1 1 auto;
  font-size: 17px;
  color: var(--white);
  transition: color 0.2s var(--ease);
}

.page-products .spec__tag {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-products .spec__body {
  padding: 0 2px 18px;
}

.page-products .spec__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* 线路对比 */
.page-products .lines-fig {
  margin: 22px 0 0;
  border: 1px solid var(--line);
}

.page-products .lines-fig img {
  filter: saturate(0.6) brightness(0.8);
}

.page-products .line-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-products .line-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 24px 22px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-products .line-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .line-card__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.page-products .line-card__title {
  margin: 0;
  font-size: 22px;
  font-weight: 300;
}

.page-products .bar {
  display: block;
  height: 5px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.page-products .bar__fill {
  display: block;
  height: 100%;
  background: var(--cyan);
}

.page-products .bar__fill--l1 {
  width: 100%;
  background: var(--ok);
}

.page-products .bar__fill--l2 {
  width: 92%;
}

.page-products .bar__fill--l3 {
  width: 84%;
  background: var(--gold);
}

.page-products .line-card__note {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* 三步自检 */
.page-products .check-split {
  display: grid;
  gap: 28px;
  margin-top: 10px;
}

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

.page-products .step {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .step__num {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .step__title {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
  color: var(--white);
}

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

.page-products .check-fig {
  margin: 0;
}

.page-products .check-fig img {
  border: 1px solid var(--line);
}

/* 结尾带 */
.page-products .cta-grid {
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-products .cta-grid .h2 {
  margin-top: 0;
}

.page-products .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 断点 */
@media (min-width: 700px) {
  .page-products .dl-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .hero-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-products .check-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .step {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 4px 20px;
    align-items: baseline;
  }

  .page-products .step__text {
    grid-column: 2 / -1;
  }

  .page-products .cta-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .page-products .dl-card,
  .page-products .line-card {
    padding: 22px 16px;
  }

  .page-products .spec summary {
    gap: 10px;
  }

  .page-products .spec__tag {
    display: none;
  }
}
<<<END>>>