.page-products {
  --pp-tick: var(--cyan);
  background: var(--bg);
}

/* ---------- 面包屑 ---------- */
.page-products .pp-breadcrumb-wrap {
  padding-top: 28px;
  padding-bottom: 8px;
}

/* ---------- 页内索引 ---------- */
.page-products .pp-rail {
  display: none;
}

@media (min-width: 1560px) {
  .page-products .pp-rail {
    display: block;
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    padding: 16px 12px;
    border-left: 1px solid var(--line);
  }
}

.page-products .pp-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-rail-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--violet);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-products .pp-rail-link .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--line);
}

.page-products .pp-rail-link:hover,
.page-products .pp-rail-link:focus-visible {
  color: var(--amber);
}

.page-products .pp-rail-link:hover .mono,
.page-products .pp-rail-link:focus-visible .mono {
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-bottom: 88px;
}

.page-products .pp-hero-grid {
  align-items: start;
  row-gap: 40px;
}

.page-products .pp-hero-copy {
  padding-top: 4px;
}

.page-products .pp-hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pp-hero-copy .lede {
  margin-top: 20px;
  max-width: 34em;
  color: var(--violet-soft);
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .pp-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 36px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-products .pp-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-products .pp-stat-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pp-stat-label {
  font-size: 13px;
  color: var(--violet);
}

/* 首屏视觉：斜切色块 + 斜向引导线 */
.page-products .pp-hero-visual {
  margin: 0;
}

.page-products .pp-hero-cut {
  position: relative;
  padding: 10px;
  background: linear-gradient(135deg, rgba(0, 229, 208, 0.14), rgba(142, 138, 168, 0.07) 55%, rgba(11, 16, 38, 0) 100%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}

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

.page-products .pp-hero-cut::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  top: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 28%, var(--cyan-soft) 72%, transparent);
  transform: rotate(-7deg);
  opacity: 0.5;
  pointer-events: none;
}

.page-products .pp-hero-visual .figure-caption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--violet);
  max-width: 38em;
}

/* ---------- 章节头 ---------- */
.page-products .pp-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-products .pp-head .section-number {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-products .pp-head .section-number {
    color: transparent;
    -webkit-text-stroke: 1px var(--cyan);
  }
}

.page-products .pp-head-body .eyebrow {
  margin: 0 0 8px;
}

.page-products .pp-head-body .lede {
  margin-top: 14px;
  max-width: 42em;
  color: var(--violet-soft);
}

@media (min-width: 860px) {
  .page-products .pp-head {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 0 28px;
    align-items: start;
  }
}

/* ---------- 01 四步总览 ---------- */
.page-products .pp-track {
  list-style: none;
  margin: 52px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .pp-track-node {
  position: relative;
  display: grid;
  gap: 8px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-products .pp-track-node::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 46px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pp-track-num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pp-track-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-track-hint {
  font-size: 14px;
  line-height: 1.7;
  color: var(--violet);
}

@media (min-width: 720px) {
  .page-products .pp-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 28px;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }
  .page-products .pp-track-node:nth-child(even) {
    transform: translateY(24px);
  }
}

/* ---------- 02 步骤卡 ---------- */
.page-products .pp-step-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 52px;
}

.page-products .pp-step-card {
  position: relative;
  padding: 24px 22px 18px;
  border-top: 2px solid var(--cyan);
}

.page-products .pp-step-top {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .pp-step-num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--amber);
}

.page-products .pp-step-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-step-line {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--violet-soft);
}

.page-products .pp-step-acc {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.page-products .pp-step-acc .accordion-trigger {
  width: 100%;
  padding: 12px 0;
  background: none;
  border: 0;
  text-align: left;
  font-size: 13px;
  color: var(--cyan);
  cursor: pointer;
  min-height: 44px;
}

.page-products .pp-step-acc .accordion-body {
  padding-bottom: 12px;
}

.page-products .pp-step-acc .accordion-body p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--violet);
}

@media (min-width: 720px) {
  .page-products .pp-step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pp-step-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }
  .page-products .pp-step-card:nth-child(even) {
    transform: translateY(28px);
  }
}

/* ---------- 03 端间对照 ---------- */
.page-products .pp-adapt-grid {
  margin-top: 52px;
  row-gap: 44px;
}

.page-products .pp-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-compare {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  border: 1px solid var(--line);
  font-size: 14px;
}

.page-products .pp-compare caption {
  text-align: left;
  padding: 0 0 14px;
  font-size: 13px;
  color: var(--violet);
}

.page-products .pp-compare th,
.page-products .pp-compare td {
  padding: 14px 16px;
  text-align: left;
  line-height: 1.65;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.page-products .pp-compare thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan);
  background: var(--bg-2);
}

.page-products .pp-compare tbody th {
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pp-compare td {
  color: var(--violet-soft);
}

.page-products .pp-compare tbody tr:hover {
  background: var(--bg-2);
}

.page-products .pp-adapt-figs {
  display: grid;
  gap: 24px;
}

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

.page-products .pp-fig .figure-frame {
  background: var(--bg-2);
  border: 1px solid var(--line);
}

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

.page-products .pp-fig .figure-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--violet);
}

@media (min-width: 1080px) {
  .page-products .pp-adapt-figs {
    grid-template-columns: 1fr;
  }
}

/* 手机端表格改为堆叠卡片 */
@media (max-width: 719px) {
  .page-products .pp-table-scroll {
    overflow-x: visible;
  }
  .page-products .pp-compare {
    min-width: 0;
    border: 0;
  }
  .page-products .pp-compare thead {
    display: none;
  }
  .page-products .pp-compare caption {
    padding-bottom: 12px;
  }
  .page-products .pp-compare tbody tr {
    display: block;
    border: 1px solid var(--line);
    border-top: 2px solid var(--cyan);
    padding: 6px 0 12px;
    margin-bottom: 16px;
  }
  .page-products .pp-compare tbody th,
  .page-products .pp-compare tbody td {
    display: block;
    border: 0;
    padding: 8px 16px;
  }
  .page-products .pp-compare tbody td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--cyan);
    margin-bottom: 4px;
  }
}

/* ---------- 04 路径对比 ---------- */
.page-products .pp-path-switch {
  margin-top: 48px;
  display: grid;
  gap: 28px;
}

.page-products .pp-path-tabs {
  display: inline-flex;
  border: 1px solid var(--line);
}

.page-products .pp-path-tabs .segment {
  min-height: 44px;
  padding: 10px 20px;
  background: none;
  border: 0;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--violet);
  cursor: pointer;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}

.page-products .pp-path-tabs .segment:last-child {
  border-right: 0;
}

.page-products .pp-path-tabs .segment[data-active] {
  color: var(--amber);
  background: rgba(242, 169, 59, 0.08);
}

.page-products .pp-path-tabs .segment:hover,
.page-products .pp-path-tabs .segment:focus-visible {
  color: var(--amber-soft);
}

.page-products .pp-path-note {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--violet-soft);
}

.page-products .pp-path-line {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-path-step {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
  transition: border-left-color 240ms var(--ease);
}

.page-products .pp-path-step .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-products .pp-path-line--new .pp-path-step {
  border-left-color: var(--amber);
}

.page-products .pp-path-line--new .pp-path-step .mono {
  color: var(--amber);
}

.page-products .pp-path-line--old .pp-path-step {
  border-left-color: var(--line);
  color: var(--violet-soft);
}

.page-products .pp-path-line--old .pp-path-step .mono {
  color: var(--violet);
}

.page-products .pp-path-side {
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--violet);
  max-width: 40em;
}

.page-products .pp-fig--wide {
  margin-top: 48px;
}

@media (min-width: 960px) {
  .page-products .pp-path-switch {
    grid-template-columns: minmax(0, 1fr) 3fr;
    grid-template-areas:
      "tabs panels"
      "side panels";
    align-items: start;
    column-gap: 32px;
  }
  .page-products .pp-path-tabs {
    grid-area: tabs;
    flex-direction: column;
    align-self: start;
  }
  .page-products .pp-path-tabs .segment {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    text-align: left;
    min-height: 52px;
  }
  .page-products .pp-path-tabs .segment:last-child {
    border-bottom: 0;
  }
  .page-products .pp-path-panels {
    grid-area: panels;
  }
  .page-products .pp-path-side {
    grid-area: side;
    margin-top: 20px;
  }
}

/* ---------- 05 记录自查 ---------- */
.page-products .pp-check-grid {
  margin-top: 48px;
  row-gap: 40px;
}

.page-products .pp-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .pp-check {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-check:first-child {
  border-top: 1px solid var(--line);
}

.page-products .pp-check-box {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--cyan);
}

.page-products .pp-check-body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-check-body p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--violet);
}

/* ---------- 06 卡点与去处 ---------- */
.page-products .pp-stuck-list {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
  counter-reset: none;
}

.page-products .pp-stuck-item {
  display: flex;
  gap: 20px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
  background: rgba(19, 26, 58, 0.55);
}

.page-products .pp-stuck-idx {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--amber);
}

.page-products .pp-stuck-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-stuck-body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--violet);
}

.page-products .pp-links {
  display: grid;
  gap: 16px;
  margin-top: 56px;
}

.page-products .pp-link-card {
  display: grid;
  gap: 6px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 200ms var(--ease), transform 240ms var(--ease);
}

.page-products .pp-link-card .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-products .pp-link-card strong {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-link-card em {
  font-style: normal;
  font-size: 13px;
  line-height: 1.7;
  color: var(--violet);
}

.page-products .pp-link-card:hover,
.page-products .pp-link-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pp-link-card:hover strong,
.page-products .pp-link-card:focus-visible strong {
  color: var(--cyan-soft);
}

@media (min-width: 720px) {
  .page-products .pp-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pp-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pp-step-card,
  .page-products .pp-track-node,
  .page-products .pp-link-card {
    transform: none !important;
    transition: none !important;
  }
}
</