.page-products {
  --prod-paper-ink: #16202B;
  --prod-paper-sub: #3B4653;
  background: var(--deep);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 110px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  border-bottom: var(--border);
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(53, 240, 208, 0.14), transparent 60%),
    radial-gradient(90% 120% at 4% 112%, rgba(255, 138, 43, 0.11), transparent 62%),
    var(--deep);
}
.page-products .prod-hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(26px, 4vw, 54px) var(--gutter) clamp(32px, 5vw, 70px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding: 4px 0;
}
.page-products .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-products .prod-hero__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-products .prod-hero h1 {
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5.2vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-products .prod-hero__lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 分栏骨架 ---------- */
.page-products .prod-layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(28px, 4.5vw, 64px) var(--gutter) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
@media (min-width: 980px) {
  .page-products .prod-layout {
    grid-template-columns: minmax(180px, 232px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 72px);
  }
}
.page-products .prod-body {
  min-width: 0;
}

/* ---------- 左栏编号索引 ---------- */
.page-products .prod-index {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-products .prod-index::-webkit-scrollbar {
  display: none;
}
.page-products .prod-index li {
  flex: 0 0 auto;
}
.page-products .prod-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--rock);
  border-radius: var(--radius);
  color: var(--mist);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .prod-index__link:hover {
  color: var(--paper);
  border-color: var(--moss);
}
.page-products .prod-index__num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}
.page-products .prod-rail__cta {
  margin: 14px 0 0;
}
.page-products .prod-rail__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, 0.45);
}
.page-products .prod-rail__link:hover {
  border-bottom-color: var(--cyan);
}
@media (min-width: 980px) {
  .page-products .prod-rail__inner {
    position: sticky;
    top: calc(var(--header-h-condensed) + 20px);
    border-left: 1px solid var(--rock);
    padding-left: 18px;
  }
  .page-products .prod-index {
    flex-direction: column;
    overflow: visible;
    gap: 0;
    padding-bottom: 0;
  }
  .page-products .prod-index li {
    flex: 1 1 auto;
  }
  .page-products .prod-index__link {
    border: none;
    border-bottom: 1px dashed rgba(46, 55, 66, 0.85);
    border-radius: 0;
    padding: 8px 0;
  }
  .page-products .prod-index__link:hover {
    color: var(--cyan);
  }
}

/* ---------- 章节 ---------- */
.page-products .prod-sec {
  padding: clamp(32px, 4.4vw, 60px) 0;
  border-top: 1px solid var(--rock);
}
.page-products .prod-body > .prod-sec:first-child {
  border-top: none;
  padding-top: 0;
}
.page-products .prod-sec__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--orange);
}
.page-products .prod-sec h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 2.9vw, 34px);
  line-height: 1.25;
  color: var(--paper);
}
.page-products .prod-sec__lead {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}
.page-products .prod-p {
  margin: 14px 0 0;
  max-width: 70ch;
  font-size: clamp(14.5px, 1.45vw, 16.5px);
  line-height: 1.9;
  color: rgba(242, 239, 230, 0.82);
}
.page-products .prod-p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, 0.45);
}
.page-products .prod-p a:hover {
  border-bottom-color: var(--cyan);
}
.page-products .prod-p--tail {
  margin-top: 26px;
}

/* ---------- 数字条 ---------- */
.page-products .stats {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--rock);
  border: 1px solid var(--rock);
}
@media (min-width: 820px) {
  .page-products .stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-products .stats__item {
  background: var(--panel);
  padding: 18px 16px;
}
.page-products .stats__num {
  display: inline-block;
  font-family: var(--font-num);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 5px;
}
.page-products .stats__num small {
  font-size: 0.45em;
  letter-spacing: 0.06em;
  margin-left: 3px;
}
.page-products .stats__label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-head);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 能力矩阵 ---------- */
.page-products .matrix {
  margin-top: 28px;
  border: 1px solid var(--rock);
  background: var(--panel);
}
.page-products .matrix__row {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--rock);
  transition: background 0.18s var(--ease);
}
.page-products .matrix__row:first-child {
  border-top: none;
}
.page-products .matrix__row--head {
  background: rgba(46, 55, 66, 0.5);
}
.page-products .matrix__cell {
  padding: 13px 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.82);
}
.page-products .matrix__cell--key {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--paper);
  border-left: 2px solid rgba(255, 138, 43, 0.4);
}
.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mist);
  border-left: none;
}
@media (min-width: 800px) {
  .page-products .matrix__row {
    grid-template-columns: 1.05fr 1.5fr 1.1fr;
  }
  .page-products .matrix__cell {
    border-left: 1px solid var(--rock);
  }
  .page-products .matrix__cell--key {
    border-left: 1px solid var(--rock);
  }
  .page-products .matrix__row--head .matrix__cell:first-child {
    border-left: none;
  }
}
.page-products .matrix__row:not(.matrix__row--head):hover {
  background: rgba(53, 240, 208, 0.06);
}
.page-products .matrix__row:not(.matrix__row--head):hover .matrix__cell--key {
  color: var(--cyan);
  border-left-color: var(--orange);
}

/* ---------- 图片容器 ---------- */
.page-products .shot {
  margin: 28px 0 0;
}
.page-products .media {
  --ar: 16 / 10;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rock);
  background: var(--panel);
}
.page-products .media--wide {
  --ar: 2 / 1;
}
.page-products .media--43 {
  --ar: 4 / 3;
}
.page-products .media--11 {
  --ar: 1 / 1;
}
.page-products .media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--ar);
  object-fit: cover;
}
.page-products .media__caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-head);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 版本演进 ---------- */
.page-products .version {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rock);
  border: 1px solid var(--rock);
}
@media (min-width: 760px) {
  .page-products .version {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-products .version__item {
  background: var(--panel);
  padding: 20px 18px;
}
.page-products .version__year {
  font-family: var(--font-num);
  font-size: 26px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}
.page-products .version__item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.8);
}

/* ---------- 设备对照 SVG ---------- */
.page-products .device-diagram {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 24px;
  border: 1px solid var(--rock);
  background: var(--panel);
}
.page-products .device-diagram rect {
  fill: none;
  stroke: var(--rock);
  stroke-width: 1.5;
}
.page-products .device-diagram rect.is-cyan {
  stroke: var(--cyan);
}
.page-products .device-diagram line {
  stroke: rgba(53, 240, 208, 0.5);
  stroke-width: 1;
  stroke-dasharray: 5 5;
}
.page-products .device-diagram circle {
  fill: var(--orange);
  stroke: none;
}
.page-products .device-diagram text {
  fill: var(--mist);
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: 0.08em;
}

/* ---------- 大号指标 ---------- */
.page-products .big-metric {
  margin: 26px 0 0;
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 4vw, 60px);
  border-top: 1px solid var(--rock);
  border-bottom: 1px solid var(--rock);
}
.page-products .big-metric__v {
  display: inline-block;
  font-family: var(--font-num);
  font-size: clamp(38px, 6.6vw, 68px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 6px;
}
.page-products .big-metric__v small {
  font-size: 0.34em;
  letter-spacing: 0.08em;
  margin-left: 4px;
}
.page-products .big-metric__l {
  display: block;
  margin-top: 12px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 米白纸面章节 ---------- */
.page-products .prod-sec--paper {
  margin-top: clamp(22px, 3vw, 36px);
  padding: clamp(28px, 4vw, 54px) clamp(20px, 3.4vw, 48px);
  border: none;
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--prod-paper-ink);
  box-shadow: 0 24px 60px rgba(5, 9, 15, 0.4);
}
.page-products .prod-sec--paper .prod-sec__num {
  color: var(--clay);
}
.page-products .prod-sec--paper h2 {
  color: var(--prod-paper-ink);
}
.page-products .prod-sec--paper .prod-sec__lead,
.page-products .prod-sec--paper .prod-p {
  color: var(--prod-paper-sub);
}
.page-products .prod-sec--paper .media {
  border-color: rgba(46, 55, 66, 0.55);
}
.page-products .prod-sec--paper .media__caption {
  color: #6A7684;
}
.page-products .prod-note {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(46, 55, 66, 0.35);
  font-size: 14px;
  line-height: 1.85;
  color: var(--prod-paper-sub);
}

/* ---------- 六阶段时间轴 ---------- */
.page-products .flow {
  list-style: none;
  position: relative;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.page-products .flow__step {
  position: relative;
  padding-left: 34px;
}
.page-products .flow__step::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--clay);
  box-shadow: 0 0 0 3px rgba(192, 112, 75, 0.18);
}
.page-products .flow__step::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 24px;
  bottom: -22px;
  width: 1px;
  background: rgba(192, 112, 75, 0.4);
}
.page-products .flow__step:last-child::after {
  display: none;
}
.page-products .flow__num {
  display: block;
  font-family: var(--font-num);
  font-size: 19px;
  letter-spacing: 0.1em;
  color: var(--clay);
}
.page-products .flow__title {
  margin: 6px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--prod-paper-ink);
}
.page-products .flow__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--prod-paper-sub);
}
@media (min-width: 1120px) {
  .page-products .flow {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 22px;
  }
  .page-products .flow__step {
    padding-left: 0;
    padding-top: 30px;
  }
  .page-products .flow__step::before {
    left: 0;
    top: 0;
  }
  .page-products .flow__step::after {
    left: 16px;
    right: -22px;
    top: 5px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
}

/* ---------- 开始使用 ---------- */
.page-products .start-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rock);
  border: 1px solid var(--rock);
}
@media (min-width: 820px) {
  .page-products .start-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-products .start-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  background: var(--panel);
}
.page-products .start-card__k {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-products .start-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}
.page-products .start-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.8);
}
.page-products .start-card .btn {
  align-self: flex-start;
  margin-top: auto;
}