.page-products {
  --cat-bg: #13294B;
  --cat-line: rgba(143, 163, 191, 0.26);
  --cat-line-strong: rgba(255, 107, 0, 0.6);
  --cat-ink: #E7EEFA;
  padding-bottom: 64px;
}

.page-products .crumbs {
  margin: 4px 0 6px;
}

/* ---------- 索引头 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: 6px 0 30px;
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  top: -26%;
  right: -18%;
  width: min(620px, 82vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle at 50% 50%,
      rgba(143, 163, 191, 0.14) 0 1px,
      transparent 1px 62px);
  pointer-events: none;
  z-index: 0;
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  top: 14%;
  right: 6%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: var(--glow-orange);
  z-index: 0;
}

.page-products .cat-hero__in {
  position: relative;
  z-index: 1;
}

.page-products .cat-hero__h1 {
  margin: 14px 0 0;
  max-width: 19ch;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 5.6vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: #F4F8FE;
  text-shadow: 0 0 26px rgba(255, 107, 0, 0.24);
  text-wrap: balance;
}

.page-products .cat-hero__lede {
  margin-top: 16px;
  max-width: 40em;
}

.page-products .cat-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--cat-line);
}

.page-products .cat-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 15px;
  border: 1px solid var(--cat-line);
  border-radius: 999px;
  background: rgba(19, 41, 75, 0.6);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-products .cat-jump a:hover,
.page-products .cat-jump a:focus-visible {
  border-color: var(--cat-line-strong);
  background: rgba(255, 107, 0, 0.14);
  transform: translateY(-2px);
}

.page-products .cj-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

/* ---------- 章节通用 ---------- */
.page-products .cat-sec {
  padding-top: clamp(40px, 6.4vw, 70px);
}

.page-products .cat-sec--panel {
  padding-bottom: 6px;
}

.page-products .sec-bar {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cat-line);
  margin-bottom: 18px;
}

.page-products .sec-index {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-products .sec-h {
  margin: 0;
  font-size: clamp(1.22rem, 3.1vw, 1.8rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: #EDF3FC;
}

.page-products .sub-h {
  margin: 0 0 10px;
  font-size: 1.02rem;
  font-weight: 800;
  color: #EAF1FB;
  letter-spacing: -0.005em;
}

.page-products .cat-p {
  max-width: 40em;
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .after-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 图片 ---------- */
.page-products .cat-fig {
  margin: 26px 0 0;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0A1729;
}

.page-products .cat-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-products .cat-fig--square img { aspect-ratio: 1 / 1; }
.page-products .cat-fig--tall img { aspect-ratio: 3 / 2; }
.page-products .cat-fig--wide img { aspect-ratio: 2 / 1; }

.page-products .cat-fig figcaption {
  padding: 10px 15px 12px;
  border-top: 1px solid var(--cat-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 九宫格 ---------- */
.page-products .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 22px;
}

.page-products .cat-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 17px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(19, 41, 75, 0.94), rgba(11, 30, 58, 0.94));
  color: var(--text);
  text-decoration: none;
  scroll-margin-top: 96px;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.page-products .cat-cell::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 22px;
  height: 22px;
  border-top: 1px solid rgba(242, 193, 78, 0.5);
  border-right: 1px solid rgba(242, 193, 78, 0.5);
}

.page-products .cat-cell:hover,
.page-products .cat-cell:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cat-line-strong);
  box-shadow: var(--glow-orange);
}

.page-products .cat-cell:target {
  border-color: var(--orange);
  background: linear-gradient(160deg, rgba(255, 107, 0, 0.16), rgba(11, 30, 58, 0.96));
  box-shadow: var(--glow-orange);
}

.page-products .cell-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-products .cell-name {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 800;
  color: #F2F7FF;
}

.page-products .cell-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .cell-meta {
  margin: auto 0 0;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(143, 163, 191, 0.85);
}

.page-products .cell-meta b {
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

/* ---------- 路径切换 ---------- */
.page-products .path-switch {
  position: relative;
  margin-top: 20px;
}

.page-products .path-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .path-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .path-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 17px;
  border: 1px solid var(--cat-line);
  border-radius: 999px;
  background: rgba(19, 41, 75, 0.55);
  color: var(--mist);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products .path-tab:hover {
  color: var(--text);
  border-color: rgba(255, 107, 0, 0.42);
}

.page-products .pt-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products #path-theme:checked ~ .path-tabs .path-tab[for="path-theme"],
.page-products #path-scene:checked ~ .path-tabs .path-tab[for="path-scene"],
.page-products #path-time:checked ~ .path-tabs .path-tab[for="path-time"] {
  color: #0B1E3A;
  background: var(--orange);
  border-color: var(--orange);
}

.page-products #path-theme:checked ~ .path-tabs .path-tab[for="path-theme"] .pt-num,
.page-products #path-scene:checked ~ .path-tabs .path-tab[for="path-scene"] .pt-num,
.page-products #path-time:checked ~ .path-tabs .path-tab[for="path-time"] .pt-num {
  color: rgba(11, 30, 58, 0.7);
}

.page-products .path-panel { display: none; }

.page-products #path-theme:checked ~ .path-panels .path-panel--theme,
.page-products #path-scene:checked ~ .path-panels .path-panel--scene,
.page-products #path-time:checked ~ .path-panels .path-panel--time {
  display: block;
}

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

.page-products .path-steps li {
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px dashed var(--cat-line);
}

.page-products .path-steps li:last-child { border-bottom: 0; }

.page-products .ps-num {
  position: absolute;
  left: 0;
  top: 16px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 0, 0.5);
  background: rgba(255, 107, 0, 0.12);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-products .path-steps h4 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 800;
  color: #EFF5FE;
}

.page-products .path-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .path-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-products .ps-card {
  padding: 16px 16px 15px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-sm);
  background: rgba(19, 41, 75, 0.62);
}

.page-products .ps-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(242, 193, 78, 0.14);
  border: 1px solid rgba(242, 193, 78, 0.4);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-products .ps-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .path-time-lines {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .path-time-lines li {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--cat-line);
}

.page-products .path-time-lines li:last-child { border-bottom: 0; }

.page-products .ptl-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .path-time-lines p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 标签规则 ---------- */
.page-products .tag-rules {
  margin-top: 26px;
  padding: 22px 20px;
  border: 1px solid var(--cat-line);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(19, 41, 75, 0.5);
}

.page-products .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .rule-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-products .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-products .rule-list b {
  color: #EAF1FB;
  font-weight: 800;
}

.page-products .rule-list a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 193, 78, 0.4);
}

.page-products .rule-list a:hover {
  color: var(--orange-2);
  border-bottom-color: var(--orange-2);
}

/* ---------- 设备适配 ---------- */
.page-products .dev-layout {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-products .dev-item {
  margin-bottom: 10px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-sm);
  background: rgba(19, 41, 75, 0.6);
  overflow: hidden;
}

.page-products .dev-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 13px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: #E9F0FC;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products .dev-item summary::-webkit-details-marker { display: none; }

.page-products .dev-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--orange);
}

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

.page-products .dev-item summary:hover {
  background: rgba(255, 107, 0, 0.1);
}

.page-products .dev-item[open] summary {
  border-bottom: 1px solid var(--cat-line);
}

.page-products .dev-body {
  padding: 14px 16px 16px;
}

.page-products .dev-body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

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

.page-products .dev-state {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  padding-top: 10px;
  border-top: 1px dashed var(--cat-line);
  font-size: 13.5px;
  color: rgba(143, 163, 191, 0.9);
}

/* ---------- 常用清单 ---------- */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 22px;
}

.page-products .scene {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-sm);
  background: linear-gradient(200deg, rgba(255, 107, 0, 0.08), rgba(19, 41, 75, 0.72) 46%);
}

.page-products .scene-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 107, 0, 0.5);
  background: rgba(255, 107, 0, 0.14);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange-2);
}

.page-products .scene h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 800;
  color: #EFF5FE;
}

.page-products .scene ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .scene li {
  position: relative;
  padding-left: 15px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .scene li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jade);
}

.page-products .scene li a {
  color: var(--cat-ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 0, 0.5);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .scene li a:hover {
  color: var(--orange-2);
  border-bottom-color: var(--orange-2);
}

/* ---------- 通道表现 ---------- */
.page-products .perf-layout {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-products .perf-rings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-products .ring-card {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 16px 8px 14px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-sm);
  background: rgba(19, 41, 75, 0.6);
}

.page-products .ring {
  --pct: 0%;
  display: grid;
  place-items: center;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: conic-gradient(var(--jade) var(--pct), rgba(143, 163, 191, 0.18) 0);
}

.page-products .ring::after {
  content: "";
  grid-area: 1 / 1;
  width: 61px;
  height: 61px;
  border-radius: 50%;
  background: var(--ink-700);
}

.page-products .ring-val {
  grid-area: 1 / 1;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #EAFBF4;
}

.page-products .ring-val small {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--jade);
}

.page-products .ring-cap {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  color: var(--mist);
}

.page-products .perf-nums {
  display: grid;
  gap: 2px;
}

.page-products .pn-row {
  display: grid;
  gap: 4px;
  padding: 15px 2px;
  border-bottom: 1px dashed var(--cat-line);
}

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

.page-products .pn-k {
  font-size: 14px;
  color: var(--mist);
}

.page-products .pn-v {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--orange);
}

.page-products .pn-v small {
  margin-left: 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pn-was {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(143, 163, 191, 0.85);
}

/* ---------- 版本演进 ---------- */
.page-products .ver-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .ver-step {
  position: relative;
  padding: 18px 18px 18px 22px;
  border: 1px solid var(--cat-line);
  border-left: 4px solid var(--ink-600);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(19, 41, 75, 0.58);
}

.page-products .ver-step--2 {
  border-left-color: var(--gold);
  width: 92%;
}

.page-products .ver-step--3 {
  border-left-color: var(--orange);
  background: linear-gradient(120deg, rgba(255, 107, 0, 0.14), rgba(19, 41, 75, 0.7));
  box-shadow: var(--glow-orange);
  width: 100%;
}

.page-products .vs-ver {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .vs-when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .ver-step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--text);
}

.page-products .care-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-products .care {
  padding: 20px 18px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-sm);
  background: rgba(19, 41, 75, 0.52);
}

.page-products .care p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-products .care a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 193, 78, 0.42);
}

.page-products .care a:hover {
  color: var(--orange-2);
  border-bottom-color: var(--orange-2);
}

/* ---------- 收尾 ---------- */
.page-products .cat-cta {
  margin-top: 28px;
  padding: 24px 20px;
  border: 1px solid var(--cat-line-strong);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.16), rgba(11, 30, 58, 0.92));
  text-align: left;
}

.page-products .cat-cta p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: #EFF5FE;
}

.page-products .cat-cta__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

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

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

@media (min-width: 940px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .cat-sec {
    padding-top: 76px;
  }

  .page-products .cat-hero {
    padding: 14px 0 40px;
  }

  .page-products .dev-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 28px;
  }

  .page-products .dev-list {
    margin-top: 0;
  }

  .page-products .dev-layout .cat-fig {
    margin-top: 0;
    position: sticky;
    top: 96px;
  }

  .page-products .tag-rules {
    padding: 26px 26px 24px;
  }

  .page-products .cat-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 30px;
  }

  .page-products .cat-cta p {
    margin: 0;
  }

  .page-products .cat-fig--square {
    max-width: 640px;
  }
}

@media (min-width: 1180px) {
  .page-products .cat-grid {
    gap: 16px;
  }

  .page-products .ver-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
  }

  .page-products .ver-step,
  .page-products .ver-step--2,
  .page-products .ver-step--3 {
    width: auto;
  }

  .page-products .ver-step--1 {
    padding-bottom: 30px;
  }

  .page-products .ver-step--2 {
    padding-bottom: 52px;
  }

  .page-products .ver-step--3 {
    padding-bottom: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-cell,
  .page-products .cat-jump a,
  .page-products .path-tab {
    transition: none;
  }

  .page-products .cat-cell:hover,
  .page-products .cat-jump a:hover {
    transform: none;
  }
}