.page-products {
  --prod-accent: var(--cyan);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .prod-cover {
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(120% 100% at 88% 0%, rgba(124, 92, 255, 0.24), transparent 62%),
    radial-gradient(80% 70% at 2% 100%, rgba(43, 227, 210, 0.16), transparent 70%),
    var(--ink-900);
}

.page-products .prod-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(60, 74, 117, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(60, 74, 117, 0.24) 1px, transparent 1px);
  background-size: 88px 100%, 100% 88px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
  pointer-events: none;
}

.page-products .prod-cover-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
  padding-top: clamp(30px, 6vw, 76px);
  padding-bottom: clamp(28px, 5vw, 64px);
}

.page-products .prod-cover-text {
  min-width: 0;
}

.page-products .prod-cover-text .breadcrumbs {
  margin-bottom: 16px;
}

.page-products .prod-cover-text .eyebrow {
  color: var(--cyan);
}

.page-products .prod-cover-text h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.04em;
  font-size: clamp(29px, 6vw, 52px);
  line-height: 1.16;
  color: var(--text);
}

.page-products .prod-cover-text .lede {
  margin: 18px 0 0;
  max-width: 48ch;
  color: var(--text-dim);
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
}

.page-products .prod-cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-cover-side {
  min-width: 0;
}

.page-products .prod-kpis {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  border: 2px solid var(--line);
  background: var(--line);
}

.page-products .prod-kpi {
  min-width: 0;
  background: var(--ink-800);
  padding: 16px 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .prod-kpi .num {
  font-family: var(--font-editorial);
  font-size: clamp(22px, 6vw, 38px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-products .prod-kpi .mono {
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  line-height: 1.4;
}

.page-products .prod-cover-note {
  margin: 16px 0 0;
  padding: 10px 0 10px 14px;
  border-left: 3px solid var(--orange);
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* ---------- 主栅格 ---------- */
.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-products .prod-flow {
  min-width: 0;
  display: grid;
  gap: clamp(40px, 6vw, 78px);
  align-content: start;
}

.page-products .prod-lines {
  min-width: 0;
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

/* ---------- 区块头 ---------- */
.page-products .prod-section .section-head {
  display: grid;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--line);
}

.page-products .prod-section .section-head .eyebrow {
  color: var(--violet);
}

.page-products .prod-section .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.03em;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.3;
  color: var(--text);
}

.page-products .prod-section .section-head .lede {
  margin: 0;
  max-width: 68ch;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 总览图谱 ---------- */
.page-products .prod-map {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products .prod-map-figure {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--ink-800);
  padding: 10px;
  box-shadow: 10px 10px 0 rgba(43, 227, 210, 0.16);
}

.page-products .prod-map-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-map-figure .figure-cap {
  margin: 12px 2px 2px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.6;
}

.page-products .prod-map-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-products .prod-map-list li {
  min-width: 0;
  background: var(--ink-800);
}

.page-products .prod-map-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 4px;
  align-items: baseline;
  padding: 14px 16px;
  border-left: 4px solid transparent;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.page-products .prod-map-item:hover,
.page-products .prod-map-item:focus-visible {
  border-left-color: var(--cyan);
  background: var(--ink-700);
  transform: translateX(4px);
}

.page-products .prod-map-item .num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-editorial);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-map-name {
  grid-column: 2;
  grid-row: 1;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.page-products .prod-map-desc {
  grid-column: 2;
  grid-row: 2;
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1.6;
}

/* ---------- 产品线段 ---------- */
.page-products .prod-line {
  --accent: var(--cyan);
  position: relative;
  min-width: 0;
  border: 2px solid var(--line);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  padding: clamp(20px, 3vw, 34px) clamp(18px, 3vw, 34px) clamp(20px, 3vw, 34px) clamp(24px, 3.6vw, 42px);
}

.page-products .prod-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--accent);
}

.page-products #line-nav { --accent: var(--cyan); }
.page-products #line-tablet { --accent: var(--violet); }
.page-products #line-account { --accent: var(--violet); }
.page-products #line-help { --accent: var(--cyan); }
.page-products #line-feedback { --accent: var(--orange); }

.page-products .prod-line-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(14px, 2.5vw, 24px);
  align-items: start;
  padding-bottom: clamp(14px, 2.4vw, 22px);
  border-bottom: 1px dashed var(--line);
}

.page-products .prod-line-num {
  font-family: var(--font-editorial);
  font-size: clamp(36px, 7vw, 58px);
  line-height: 0.82;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.page-products .prod-line-title {
  min-width: 0;
}

.page-products .prod-line-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-products .prod-line-title h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.03em;
  font-size: clamp(19px, 2.8vw, 25px);
  line-height: 1.34;
  color: var(--text);
}

.page-products .prod-line-body {
  margin-top: clamp(18px, 3vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: start;
}

.page-products .prod-line-text {
  min-width: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-products .prod-line-text p {
  margin: 0 0 14px;
}

.page-products .prod-line-text p:last-child {
  margin-bottom: 0;
}

.page-products .prod-line-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 210, 0.45);
  transition: border-color 0.2s ease;
}

.page-products .prod-line-text a:hover,
.page-products .prod-line-text a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-products .prod-line-figure {
  margin: 0;
  min-width: 0;
  border: 2px solid var(--line);
  background: var(--ink-900);
  padding: 8px;
}

.page-products .prod-line-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-line-figure .figure-cap {
  margin: 10px 4px 2px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.6;
}

.page-products .prod-line--textonly .prod-line-text {
  max-width: 74ch;
}

/* ---------- 标签体系 ---------- */
.page-products .prod-tag-groups {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border: 2px solid var(--line);
  background: var(--line);
}

.page-products .prod-tag-group {
  min-width: 0;
  background: var(--ink-800);
  padding: clamp(18px, 3vw, 26px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .prod-tag-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-products .prod-tag-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-products .prod-tag-count {
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}

.page-products .prod-tagwall {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .prod-tagwall .tag {
  transition: transform 0.15s ease;
}

.page-products .prod-tagwall .tag:hover {
  transform: translateY(-2px);
}

.page-products .prod-examples {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-products .prod-examples-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-products .prod-example-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border: 2px solid var(--line);
  background: var(--line);
}

.page-products .prod-example {
  min-width: 0;
  background: var(--ink-800);
  padding: 18px 20px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .prod-example p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .prod-example .prod-example-mix {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--violet);
  border-left: 3px solid var(--violet);
  padding-left: 10px;
}

/* ---------- 版本节奏 ---------- */
.page-products .prod-track {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border: 2px solid var(--line);
  background: var(--line);
}

.page-products .prod-track-node {
  position: relative;
  min-width: 0;
  background: var(--ink-800);
  padding: 24px 20px 24px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-products .prod-track-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46%;
  height: 4px;
  background: var(--cyan);
}

.page-products .prod-track-node:nth-child(2)::before {
  width: 60%;
  background: var(--violet);
}

.page-products .prod-track-node:nth-child(3)::before {
  width: 74%;
  background: var(--orange);
}

.page-products .prod-track-node:nth-child(4)::before {
  width: 88%;
  background: var(--lemon);
}

.page-products .prod-track-q {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-products .prod-track-node h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-products .prod-track-node p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.72;
}

.page-products .prod-cadence-foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .prod-cadence-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 210, 0.45);
}

.page-products .prod-cadence-foot a:hover,
.page-products .prod-cadence-foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 收束 ---------- */
.page-products .prod-outro-panel {
  border: 2px solid var(--line);
  background:
    linear-gradient(135deg, rgba(43, 227, 210, 0.12), transparent 55%),
    var(--ink-800);
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  gap: 16px;
  box-shadow: 10px 10px 0 rgba(124, 92, 255, 0.18);
}

.page-products .prod-outro-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.03em;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.32;
  color: var(--text);
}

.page-products .prod-outro-panel p {
  margin: 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
}

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

/* ---------- 目录 ---------- */
.page-products .prod-toc {
  display: none;
}

.page-products .prod-toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-products .prod-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .prod-toc-link {
  display: block;
  padding: 8px 10px 8px 14px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-products .prod-toc-link:hover,
.page-products .prod-toc-link:focus-visible {
  color: var(--text);
  border-left-color: var(--line);
  background: rgba(60, 74, 117, 0.18);
}

.page-products .prod-toc-link[data-current] {
  color: var(--lemon);
  border-left-color: var(--lemon);
  background: rgba(200, 243, 90, 0.07);
}

/* ---------- 动效 ---------- */
.page-products [data-reveal] {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-products .prod-line-body {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  }

  .page-products .prod-line--even .prod-line-body > .prod-line-figure {
    order: -1;
  }
}

@media (min-width: 820px) {
  .page-products .prod-tag-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .prod-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .prod-map {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 900px) {
  .page-products .prod-cover-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-products .prod-layout {
    grid-template-columns: minmax(0, 1fr) 224px;
    align-items: start;
  }

  .page-products .prod-toc {
    display: block;
    position: sticky;
    top: calc(var(--nav-h) + 28px);
    border: 2px solid var(--line);
    background: var(--ink-800);
    padding: 18px 14px 20px;
  }
}

@media (max-width: 560px) {
  .page-products .prod-line-num {
    font-size: 34px;
  }

  .page-products .prod-kpi {
    padding: 14px 10px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal],
  .page-products .prod-map-item,
  .page-products .prod-toc-link,
  .page-products .prod-tagwall .tag {
    transition: none;
  }

  .page-products .prod-map-item:hover,
  .page-products .prod-map-item:focus-visible {
    transform: none;
  }
}