.page-products {
  --pp-rail: 132px;
  --pp-row-gap: 18px;
  --pp-block: clamp(20px, 4vw, 44px);
  --pp-glow: rgba(43, 243, 196, 0.16);
}

.page-products .pp-crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(24px, 4vw, 56px) 0 clamp(36px, 6vw, 84px);
}

.page-products .pp-hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}

.page-products .pp-hero-copy .display-1 {
  margin: 10px 0 0;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-products .pp-hero-copy .lede {
  margin-top: clamp(16px, 2.6vw, 26px);
  max-width: 54ch;
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pp-stack {
  display: grid;
  gap: 10px;
}

.page-products .pp-stack-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(23, 69, 60, 0.9), rgba(16, 48, 42, 0.32));
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-products .pp-stack-row:hover {
  border-color: var(--cyan);
  background: linear-gradient(90deg, rgba(23, 69, 60, 1), rgba(16, 48, 42, 0.5));
}

.page-products .pp-stack-row:nth-child(2) {
  margin-left: 6%;
}

.page-products .pp-stack-row:nth-child(3) {
  margin-left: 12%;
}

.page-products .pp-stack-row:nth-child(4) {
  margin-left: 18%;
}

.page-products .pp-stack-num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pp-stack-name {
  font-size: 15px;
  color: var(--paper);
}

.page-products .pp-stack-bar {
  height: 4px;
  width: 46px;
  border-radius: 1px;
  background: var(--cyan);
  opacity: 0.5;
}

.page-products .pp-stack-row:nth-child(2) .pp-stack-bar {
  width: 62px;
  background: var(--cyan-soft);
}

.page-products .pp-stack-row:nth-child(3) .pp-stack-bar {
  width: 34px;
  background: var(--amber);
}

.page-products .pp-stack-row:nth-child(4) .pp-stack-bar {
  width: 50px;
  background: var(--rose);
}

.page-products .pp-stack-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

.page-products .pp-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(32px, 5vw, 64px) 0 0;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-fact {
  padding: 18px 16px;
  background: var(--ink);
}

.page-products .pp-fact dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-products .pp-fact dd {
  margin: 8px 0 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-products .pp-fact-num {
  font-family: var(--font-num);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1;
  color: var(--amber);
}

.page-products .pp-fact-unit {
  font-size: 13px;
  color: var(--moss);
}

/* ---------- 通用行结构 ---------- */
.page-products .pp-row {
  display: grid;
  gap: var(--pp-row-gap);
}

.page-products .pp-index {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-num);
}

.page-products .pp-index-num {
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-products .pp-index-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-products .pp-row-body > .display-2 {
  margin: 0 0 clamp(12px, 2vw, 18px);
  line-height: 1.08;
}

.page-products .pp-row-body > .prose {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-products .pp-linkline {
  margin: clamp(20px, 3vw, 32px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
}

.page-products .pp-linkline a,
.page-products .pp-cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 243, 196, 0.4);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-products .pp-linkline a:hover,
.page-products .pp-cta a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-products .pp-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 四类内容形态 ---------- */
.page-products .pp-path {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-path-node {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  position: relative;
}

.page-products .pp-path-node:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pp-path-node:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 21px;
  bottom: -14px;
  width: 1px;
  height: 14px;
  background: var(--cyan);
  opacity: 0.5;
}

.page-products .pp-node-num {
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .pp-path-node h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--paper);
}

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

/* ---------- 伤停表 ---------- */
.page-products .pp-legend {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .pp-legend-list {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pp-legend-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-products .pp-legend-item p {
  margin: 0;
  flex: 1 1 200px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(5, 14, 12, 0.35);
}

.page-products .pp-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pp-table caption {
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-table th {
  padding: 10px 16px;
  text-align: left;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 12px 16px;
  color: var(--paper);
  border-bottom: 1px solid rgba(30, 75, 66, 0.55);
}

.page-products .pp-table tbody tr {
  transition: background-color var(--t) var(--ease);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(23, 69, 60, 0.55);
}

.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-cell-num {
  font-family: var(--font-num);
  white-space: nowrap;
}

.page-products .pp-n-cyan {
  color: var(--cyan);
}

.page-products .pp-n-amber {
  color: var(--amber);
}

.page-products .pp-n-rose {
  color: var(--rose);
}

.page-products .pp-n-moss {
  color: var(--moss);
}

/* ---------- 图片容器 ---------- */
.page-products .pp-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

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

.page-products .pp-figure .media-caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-products .pp-figure--square img {
  aspect-ratio: 1 / 1;
}

/* ---------- 目录分层 ---------- */
.page-products .pp-bands {
  margin-top: clamp(8px, 2vw, 16px);
}

.page-products .pp-band {
  border-left: 2px solid var(--line);
  padding-left: 16px;
  transition: border-color var(--t) var(--ease);
}

.page-products .pp-band--a {
  border-left-color: var(--cyan);
}

.page-products .pp-band--b {
  border-left-color: var(--amber);
}

.page-products .pp-band--c {
  border-left-color: var(--rose);
}

.page-products .pp-band summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-band summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--cyan);
  line-height: 1;
}

.page-products .pp-band[open] summary::after {
  content: "–";
}

.page-products .pp-band-code {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-products .pp-band-title {
  font-size: 17px;
  color: var(--paper);
}

.page-products .pp-band-count {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
  white-space: nowrap;
}

.page-products .pp-band-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 18px;
}

.page-products .pp-band-list li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 14px;
  color: var(--paper);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-products .pp-band-list li:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 客户端 ---------- */
.page-products .pp-client {
  position: relative;
  overflow: hidden;
}

.page-products .pp-client-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-products .pp-client-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.5);
}

.page-products .pp-client-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--ink) 12%, rgba(11, 31, 26, 0.86) 55%, rgba(11, 31, 26, 0.5));
}

.page-products .pp-client .container {
  position: relative;
  z-index: 1;
}

.page-products .pp-toggle {
  position: relative;
  margin-top: clamp(6px, 2vw, 16px);
  max-width: 620px;
}

.page-products .pp-toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-toggle-labels {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-products .pp-toggle-labels label {
  padding: 8px 20px;
  font-size: 14px;
  color: var(--moss);
  cursor: pointer;
  border-radius: 2px;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-products .pp-toggle-labels label:hover {
  color: var(--paper);
}

.page-products #pp-before:checked ~ .pp-toggle-labels label[for="pp-before"],
.page-products #pp-after:checked ~ .pp-toggle-labels label[for="pp-after"] {
  background: var(--cyan);
  color: var(--on-accent);
}

.page-products #pp-before:focus-visible ~ .pp-toggle-labels label[for="pp-before"],
.page-products #pp-after:focus-visible ~ .pp-toggle-labels label[for="pp-after"] {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-products .pp-bars {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .pp-bar-row {
  opacity: 0.42;
  transition: opacity var(--t) var(--ease);
}

.page-products .pp-bar-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--moss);
}

.page-products .pp-bar-value {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--paper);
}

.page-products .pp-bar-track {
  position: relative;
  height: 14px;
  background: rgba(30, 75, 66, 0.45);
  border-radius: 1px;
  overflow: hidden;
}

.page-products .pp-bar-fill {
  height: 100%;
  transform-origin: left center;
  animation: pp-grow 480ms var(--ease) both;
  transition: background-color var(--t) var(--ease);
}

.page-products .pp-bar-fill--before {
  width: 100%;
  background: var(--moss);
}

.page-products .pp-bar-fill--after {
  width: 58.33%;
  background: var(--amber);
}

.page-products #pp-before:checked ~ .pp-bars .pp-bar-row--before,
.page-products #pp-after:checked ~ .pp-bars .pp-bar-row--after {
  opacity: 1;
}

.page-products #pp-before:checked ~ .pp-bars .pp-bar-row--before .pp-bar-fill--before {
  background: var(--amber);
}

.page-products #pp-after:checked ~ .pp-bars .pp-bar-row--after .pp-bar-fill--after {
  background: var(--cyan);
}

@keyframes pp-grow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.page-products .pp-read {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .pp-read-list {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .pp-read-item {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-products .pp-read-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-products .pp-read-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
}

/* ---------- 平台与版本 ---------- */
.page-products .pp-platform-grid {
  display: grid;
  gap: 14px;
}

.page-products .pp-platform-card {
  padding: 20px;
  border-radius: 2px;
}

.page-products .pp-platform-code {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pp-platform-card h3 {
  margin: 10px 0 8px;
  font-size: 16px;
  color: var(--paper);
}

.page-products .pp-platform-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--moss);
}

.page-products .pp-platform-card--wide {
  border-left: 2px solid var(--amber);
}

/* ---------- 适用人群 ---------- */
.page-products .pp-tasks {
  display: grid;
  gap: 0;
}

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

.page-products .pp-task:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pp-task-tag {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rose);
}

.page-products .pp-task h3 {
  margin: 0;
  font-size: 17px;
  color: var(--paper);
}

.page-products .pp-task p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
  max-width: 60ch;
}

.page-products .pp-cta {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 30px);
  border-left: 2px solid var(--cyan);
  background: rgba(23, 69, 60, 0.5);
  display: grid;
  gap: 18px;
}

.page-products .pp-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
  max-width: 58ch;
}

.page-products .pp-cta .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-tasks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
  }

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

  .page-products .pp-platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-platform-card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 880px) {
  .page-products .pp-row {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .pp-index {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-products .pp-index-num {
    font-size: 40px;
  }

  .page-products .pp-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-products .pp-legend {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-products .pp-read {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }

  .page-products .pp-figure--tall {
    margin-top: 0;
  }

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-products .pp-legend {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-products .pp-read {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-bar-fill {
    animation: none;
  }

  .page-products .pp-stack-row,
  .page-products .pp-band-list li,
  .page-products .pp-bar-row,
  .page-products .pp-toggle-labels label,
  .page-products .pp-table tbody tr {
    transition: none;
  }
}