.page-products {
  --pp-gap: clamp(16px, 2vw, 24px);
  --pp-sticky-top: calc(var(--header-space) + 20px);
  background: var(--deep-sea);
  color: var(--white);
  overflow-x: clip;
}

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

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: clamp(16px, 3vw, 26px) 0;
  font-size: 13px;
  color: var(--gray);
}

.page-products .breadcrumb a {
  color: var(--cyan-soft);
  text-decoration: none;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

.page-products .crumb-sep {
  color: rgba(169, 183, 198, .45);
}

.page-products .section {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-products .section--tight {
  padding-block: clamp(24px, 4vw, 48px) clamp(56px, 8vw, 104px);
}

.page-products .section-head {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .section-num {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-products .section-num::after {
  content: "";
  width: 64px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 255, 0));
}

.page-products .section-title {
  margin: 0;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.16;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--white);
}

.page-products .section-lede {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: #c9d5e2;
}

/* ---------- hero ---------- */
.page-products .ph-hero {
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 80px);
}

.page-products .ph-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-products .ph-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.page-products .ph-eyebrow {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-products .ph-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(38px, 7.4vw, 82px);
  line-height: 1.04;
  letter-spacing: -.025em;
  font-weight: 800;
  color: var(--white);
}

.page-products .ph-h1-accent {
  color: var(--cyan);
}

.page-products .ph-lede {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.82;
  color: #dbe5ef;
}

.page-products .ph-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .ph-panel {
  position: relative;
  padding: 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-cyan);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(0, 229, 255, .16), rgba(0, 229, 255, 0) 60%),
    linear-gradient(160deg, rgba(18, 58, 92, .95), rgba(6, 23, 38, .96));
  box-shadow: var(--shadow-float);
}

.page-products .ph-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .ph-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .16);
}

.page-products .ph-rows {
  display: flex;
  flex-direction: column;
}

.page-products .ph-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(169, 183, 198, .14);
}

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

.page-products .ph-key {
  font-size: 13.5px;
  color: var(--gray);
}

.page-products .ph-val {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--white);
}

.page-products .ph-panel-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 159, 28, .4);
}

.page-products .ph-panel-link:hover,
.page-products .ph-panel-link:focus-visible {
  color: #ffc46b;
  border-bottom-color: #ffc46b;
}

.page-products .ph-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--line-soft);
}

@media (min-width: 720px) {
  .page-products .ph-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .ph-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
  background: rgba(6, 23, 38, .82);
}

.page-products .ph-stat-num {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-products .ph-stat-lab {
  font-size: 12.5px;
  color: var(--gray);
}

/* ---------- 01 产品线 ---------- */
.page-products .line-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-products .line-filter .chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(18, 58, 92, .38);
  color: #d7e2ee;
  font-size: 13px;
  text-decoration: none;
  transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}

.page-products .line-filter a.chip:hover,
.page-products .line-filter a.chip:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 229, 255, .08);
}

.page-products .line-filter .chip--amber {
  border-color: rgba(255, 159, 28, .55);
  color: var(--amber);
  font-weight: 600;
}

.page-products .prod-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

@media (min-width: 560px) {
  .page-products .prod-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .prod-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .prod-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

.page-products .prod-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(172deg, rgba(18, 58, 92, .58), rgba(6, 23, 38, .78));
  scroll-margin-top: calc(var(--header-space) + 24px);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}

.page-products .prod-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  width: 28px;
  height: 2px;
  background: var(--cyan);
  opacity: .75;
}

.page-products .prod-card:nth-child(2n)::before {
  background: var(--cyan-soft);
  opacity: .55;
}

.page-products .prod-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-cyan);
  background: linear-gradient(172deg, rgba(0, 229, 255, .12), rgba(6, 23, 38, .82));
}

.page-products .prod-num {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .prod-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--white);
}

.page-products .prod-use {
  flex: 1;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #c3d1e0;
}

.page-products .prod-who {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
}

.page-products .prod-count {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  font-weight: 700;
  color: var(--amber);
}

/* ---------- 通用图与分栏 ---------- */
.page-products .figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

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

.page-products .figure img {
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: var(--steel);
  object-fit: cover;
}

.page-products .figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-products .split--7-5 {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-products .split--6-6 {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* ---------- 02 四级阶梯 ---------- */
.page-products .ladder {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .ladder-step {
  width: 100%;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, rgba(0, 229, 255, .18), rgba(6, 23, 38, .7));
  transition: transform .3s var(--ease);
}

.page-products .ladder-step:nth-child(2) {
  width: 92%;
  background: linear-gradient(90deg, rgba(0, 229, 255, .14), rgba(6, 23, 38, .7));
}

.page-products .ladder-step:nth-child(3) {
  width: 84%;
  background: linear-gradient(90deg, rgba(18, 58, 92, .85), rgba(6, 23, 38, .72));
  border-left-color: var(--cyan-soft);
}

.page-products .ladder-step:nth-child(4) {
  width: 76%;
  background: linear-gradient(90deg, rgba(18, 58, 92, .7), rgba(6, 23, 38, .74));
  border-left-color: var(--amber);
}

.page-products .ladder-step:hover {
  transform: translateX(4px);
}

.page-products .ladder-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.page-products .ladder-label {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .ladder-count {
  font-size: 12px;
  font-weight: 700;
  color: var(--amber);
}

.page-products .ladder-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #c3d1e0;
}

/* ---------- 03 阅读模式 ---------- */
.page-products .reader {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

@media (min-width: 980px) {
  .page-products .reader {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .reader-rail {
    position: sticky;
    top: var(--pp-sticky-top);
  }
}

.page-products .reader-rail {
  padding: 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(6, 23, 38, .72);
}

.page-products .rail-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gray);
}

.page-products .rail-title + .rail-title,
.page-products .switch-pills + .rail-title {
  margin-top: 22px;
}

.page-products .switch-pills {
  display: flex;
  gap: 6px;
  padding: 5px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  background: rgba(18, 58, 92, .5);
}

.page-products .switch-pill {
  flex: 1;
  padding: 9px 8px;
  border-radius: var(--r-pill);
  text-align: center;
  font-size: 13.5px;
  color: #c3d1e0;
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-products .switch-pill[href="#view-toc"] {
  background: var(--cyan);
  color: var(--midnight);
  font-weight: 700;
}

.page-products:has(#view-all:target) .switch-pill[href="#view-toc"] {
  background: transparent;
  color: #c3d1e0;
  font-weight: 400;
}

.page-products:has(#view-all:target) .switch-pill[href="#view-all"] {
  background: var(--cyan);
  color: var(--midnight);
  font-weight: 700;
}

.page-products .rail-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .rail-nav a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  font-size: 13.5px;
  color: #c3d1e0;
  text-decoration: none;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-products .rail-nav a:hover,
.page-products .rail-nav a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, .07);
}

.page-products .reader-panel {
  display: none;
  scroll-margin-top: calc(var(--header-space) + 24px);
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(90% 70% at 0% 0%, rgba(0, 229, 255, .1), rgba(0, 229, 255, 0) 62%),
    rgba(6, 23, 38, .78);
}

.page-products #view-toc {
  display: block;
}

.page-products #view-all:target {
  display: block;
}

.page-products .reader-stage:has(#view-all:target) #view-toc {
  display: none;
}

.page-products .reader-panel h3 {
  margin: 8px 0 14px;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.4;
  color: var(--white);
}

.page-products .panel-tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-products .prose p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: #d5e0ec;
}

.page-products .prose p:last-child {
  margin-bottom: 0;
}

/* ---------- 04 小屏 ---------- */
.page-products .bullet-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .bullet-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: #c3d1e0;
}

.page-products .bullet-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-products .bullet-list strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  color: var(--white);
}

.page-products .doc-table-wrap {
  margin-top: clamp(24px, 4vw, 40px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(6, 23, 38, .6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .doc-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .doc-table th,
.page-products .doc-table td {
  padding: 13px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .doc-table thead th {
  font-size: 12px;
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(18, 58, 92, .55);
}

.page-products .doc-table tbody td {
  color: #d7e2ee;
}

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

.page-products .doc-table thead th:first-child,
.page-products .doc-table tbody td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  border-left: 3px solid var(--cyan);
}

.page-products .doc-table thead th:first-child {
  background: rgba(18, 58, 92, .98);
}

.page-products .doc-table tbody td:first-child {
  background: var(--midnight);
  font-weight: 600;
  color: var(--white);
}

/* ---------- 05 版本同步 ---------- */
.page-products .flow-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .flow-list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .flow-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .flow-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line-cyan);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(0, 229, 255, .07);
}

.page-products .flow-list h3 {
  margin: 2px 0 6px;
  font-size: 16.5px;
  color: var(--white);
}

.page-products .flow-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: #c3d1e0;
}

.page-products .updates-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .code-panel {
  border-radius: var(--r-md);
  border: 1px solid var(--line-cyan);
  background: rgba(4, 16, 27, .88);
  overflow: hidden;
}

.page-products .code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .copy-btn {
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 159, 28, .5);
  background: transparent;
  color: var(--amber);
  font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-products .copy-btn:hover,
.page-products .copy-btn:focus-visible {
  background: rgba(255, 159, 28, .14);
}

.page-products .copy-btn[data-copied] {
  background: var(--amber);
  color: var(--midnight);
}

.page-products .code-body {
  margin: 0;
  padding: 16px;
  font-size: 12.5px;
  line-height: 1.95;
  color: #a8e6f2;
  overflow-x: auto;
}

.page-products .side-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--gray);
}

.page-products .updates-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 06 角色路线 ---------- */
.page-products .track-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 860px) {
  .page-products .track-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .track-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(18, 58, 92, .5), rgba(6, 23, 38, .8));
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .track-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-cyan);
}

.page-products .track-tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-products .track-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-products .track-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
  counter-reset: track;
}

.page-products .track-list li {
  position: relative;
  padding-left: 26px;
  font-size: 13.5px;
  line-height: 1.72;
  color: #c9d5e2;
  counter-increment: track;
}

.page-products .track-list li::before {
  content: counter(track);
  position: absolute;
  top: 1px;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--midnight);
  background: var(--cyan);
}

.page-products .track-foot {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--amber);
}

.page-products .roles-more {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #c3d1e0;
}

.page-products .roles-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .35);
}

.page-products .roles-more a:hover,
.page-products .roles-more a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 收尾 ---------- */
.page-products .ph-cta {
  padding: clamp(32px, 5vw, 64px) clamp(20px, 4vw, 56px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(255, 159, 28, .22), rgba(255, 159, 28, 0) 62%),
    var(--paper);
  color: var(--deep-sea);
}

.page-products .ph-cta h2 {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--deep-sea);
}

.page-products .ph-cta p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: #1c3a58;
}

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

.page-products .ph-cta .btn--ghost {
  border-color: rgba(10, 37, 64, .35);
  color: var(--deep-sea);
}

.page-products .ph-cta .btn--ghost:hover,
.page-products .ph-cta .btn--ghost:focus-visible {
  border-color: var(--deep-sea);
  color: var(--deep-sea);
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-card,
  .page-products .track-card,
  .page-products .ladder-step {
    transition: none;
  }

  .page-products .prod-card:hover,
  .page-products .track-card:hover,
  .page-products .ladder-step:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
</main>