.page-products {
  --prod-fill-line: rgba(47, 91, 76, 0.55);
  --prod-fill-soft: rgba(18, 63, 51, 0.72);
  background: var(--ink-900);
  color: var(--text);
  overflow-x: clip;
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(16px, 2.6vw, 26px) var(--gutter) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.page-products .breadcrumb__link {
  color: var(--text-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-products .breadcrumb__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-products .breadcrumb__sep { color: var(--line); }
.page-products .breadcrumb__current { color: var(--cyan-soft); }

/* ---------- 首屏框景 ---------- */
.page-products .prod-hero {
  padding: clamp(14px, 2.4vw, 24px) var(--gutter) 0;
}
.page-products .prod-hero__frame {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(30px, 4.6vw, 52px) clamp(20px, 4vw, 52px) clamp(34px, 5vw, 58px);
  background: var(--ink-950);
  border: 1px solid var(--line);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}
.page-products .prod-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: 0;
}
.page-products .prod-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(125% 105% at 10% 0%, rgba(2, 10, 8, 0.96) 0%, rgba(7, 28, 23, 0.86) 46%, rgba(7, 28, 23, 0.58) 100%);
}
.page-products .prod-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}
.page-products .prod-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}
.page-products .prod-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-products .prod-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}
.page-products .prod-hero__sub {
  max-width: 34em;
  margin: 0 0 12px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--text-dim);
}
.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* 切片卡堆叠 */
.page-products .prod-hero__stack {
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-products .prod-slice {
  padding: 14px 16px;
  background: rgba(18, 63, 51, 0.55);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  backdrop-filter: blur(3px);
}
.page-products .prod-slice__key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.page-products .prod-slice__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}
.page-products .prod-slice__val .mono {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 章节骨架 ---------- */
.page-products .prod-section {
  padding: clamp(46px, 7vw, 92px) 0;
  position: relative;
}
.page-products .prod-section--band {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-products .section__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}
.page-products .section__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}
.page-products .section__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.26;
  letter-spacing: -0.015em;
  color: var(--paper);
}
.page-products .section__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 功能矩阵 ---------- */
.page-products .prod-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 18px);
}
.page-products .prod-matrix__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  background: linear-gradient(170deg, rgba(18, 63, 51, 0.78), rgba(7, 28, 23, 0.92));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: background 0.2s var(--ease);
}
.page-products .prod-matrix__item:hover {
  background: linear-gradient(170deg, rgba(22, 78, 63, 0.9), rgba(7, 28, 23, 0.95));
}
.page-products .prod-matrix__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-products .prod-matrix__item h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-products .prod-matrix__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}
.page-products .prod-matrix__fit {
  margin-top: auto;
  padding-top: 4px;
}
.page-products .prod-matrix__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.45);
  padding-bottom: 3px;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}
.page-products .prod-matrix__link:hover {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

/* ---------- 双栏 ---------- */
.page-products .prod-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 46px);
  align-items: start;
}
.page-products .prod-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .prod-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--prod-fill-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}
.page-products .prod-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-products .prod-list li .mono {
  color: var(--cyan);
  font-size: 12px;
  line-height: 1.95;
}
.page-products .prod-list--tight { margin-top: 18px; }
.page-products .prod-aside {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mute);
}
.page-products .prod-aside a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 200, 0.4);
}
.page-products .prod-aside a:hover { border-bottom-color: var(--orange); }

/* 数据面板 */
.page-products .prod-panel {
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(12, 42, 34, 0.92);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}
.page-products .prod-panel__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}
.page-products .prod-stat {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 2px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--prod-fill-line);
}
.page-products .prod-stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-products .prod-stat__key {
  font-size: 13px;
  color: var(--text-dim);
}
.page-products .prod-stat__val {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cyan);
}
.page-products .prod-track {
  grid-column: 1 / -1;
  display: block;
  height: 4px;
  margin-top: 9px;
  background: rgba(47, 91, 76, 0.45);
}
.page-products .prod-track__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), rgba(61, 245, 200, 0.12));
}
.page-products .prod-track__fill--40 { width: 40%; }
.page-products .prod-track__fill--70 { width: 70%; }

/* ---------- 图文模块 ---------- */
.page-products .prod-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 42px);
  align-items: start;
}
.page-products .prod-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink-950);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, 0 100%);
}
.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .prod-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(2, 10, 8, 0) 42%, rgba(2, 10, 8, 0.62) 100%);
}
.page-products .prod-figure__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
  background: rgba(2, 10, 8, 0.76);
}
.page-products .prod-media__body .section__index { margin-bottom: 8px; }
.page-products .prod-defs {
  margin: 22px 0 0;
  display: grid;
  gap: 0;
}
.page-products .prod-defs__item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--prod-fill-line);
}
.page-products .prod-defs__item:last-child {
  border-bottom: 1px solid var(--prod-fill-line);
}
.page-products .prod-defs dt {
  font-weight: 800;
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}
.page-products .prod-defs dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}
.page-products .prod-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-dim);
}
.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 三版对照 tabs ---------- */
.page-products .prod-tabs { position: relative; }
.page-products .prod-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-products .prod-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-products .prod-tabs__label {
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-products .prod-tabs__label:hover {
  color: var(--paper);
  border-color: var(--cyan);
}
.page-products .prod-tabs__radio:focus-visible + .prod-tabs__labels .prod-tabs__label {
  outline: 1px dashed var(--cyan);
  outline-offset: 2px;
}
.page-products #ver-v4:checked ~ .prod-tabs__labels [for="ver-v4"],
.page-products #ver-v3:checked ~ .prod-tabs__labels [for="ver-v3"],
.page-products #ver-v2:checked ~ .prod-tabs__labels [for="ver-v2"] {
  color: var(--ink-950);
  background: var(--orange);
  border-color: var(--orange);
}
.page-products .prod-tabs__panel { display: none; }
.page-products #ver-v4:checked ~ .prod-panels .prod-tabs__panel--v4,
.page-products #ver-v3:checked ~ .prod-panels .prod-tabs__panel--v3,
.page-products #ver-v2:checked ~ .prod-panels .prod-tabs__panel--v2 {
  display: block;
}

.page-products .prod-scale {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin-bottom: 18px;
}
.page-products .prod-scale__label {
  fill: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.page-products .prod-scale__bar { fill: rgba(61, 245, 200, 0.22); }
.page-products .prod-scale__bar--live { fill: var(--cyan); }
.page-products .prod-scale__num {
  fill: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.page-products .prod-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(7, 28, 23, 0.72);
}
.page-products .prod-table {
  width: 100%;
  min-width: 400px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .prod-table__cap {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  border-bottom: 1px solid var(--prod-fill-line);
}
.page-products .prod-table th,
.page-products .prod-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--prod-fill-line);
}
.page-products .prod-table th {
  width: 32%;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
  background: rgba(18, 63, 51, 0.6);
}
.page-products .prod-table td { color: var(--text); }
.page-products .prod-table tr:last-child th,
.page-products .prod-table tr:last-child td { border-bottom: 0; }

/* ---------- 下载说明 ---------- */
.page-products .prod-dl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 42px);
  align-items: start;
}
.page-products .prod-dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
  margin-top: 24px;
}
.page-products .prod-dl__card {
  padding: 20px 18px;
  background: rgba(12, 42, 34, 0.9);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: background 0.2s var(--ease);
}
.page-products .prod-dl__card:hover {
  background: rgba(18, 63, 51, 0.95);
}
.page-products .prod-dl__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.page-products .prod-dl__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper);
}
.page-products .prod-dl__meta {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-mute);
}
.page-products .prod-ver {
  display: inline-block;
  padding: 3px 9px;
  margin-left: 4px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border: 1px solid var(--line);
  background: rgba(2, 10, 8, 0.5);
}
.page-products .prod-dl__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-products .prod-dl__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}
.page-products .prod-dl__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}
.page-products .prod-dl__card:nth-child(2) { border-top-color: var(--cyan-soft); }

/* ---------- 流程 ---------- */
.page-products .prod-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .prod-flow__details {
  background: rgba(12, 42, 34, 0.62);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: background 0.2s var(--ease);
}
.page-products .prod-flow__details[open] {
  background: rgba(18, 63, 51, 0.8);
}
.page-products .prod-flow__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.page-products .prod-flow__summary::-webkit-details-marker { display: none; }
.page-products .prod-flow__num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-products .prod-flow__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}
.page-products .prod-flow__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}
.page-products .prod-flow__details[open] .prod-flow__summary::after { content: "−"; }
.page-products .prod-flow__body {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-products .prod-flow__body p { margin: 0; }

/* ---------- 收束 ---------- */
.page-products .prod-cta {
  padding: clamp(38px, 6vw, 70px) 0 0;
}
.page-products .prod-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(120deg, rgba(18, 63, 51, 0.92), rgba(2, 10, 8, 0.96));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}
.page-products .prod-cta__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-products .prod-cta__text p {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: center;
}

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
  .page-products .prod-hero__stack { padding-top: 6px; }
  .page-products .prod-slice:nth-child(2) { transform: translateX(22px); }
  .page-products .prod-slice:nth-child(3) { transform: translateX(8px); }
  .page-products .prod-slice:nth-child(4) { transform: translateX(30px); }

  .page-products .prod-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
  .page-products .prod-media {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }
  .page-products .prod-media--flip .prod-media__figure { order: 2; }
  .page-products .prod-dl-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

@media (min-width: 1024px) {
  .page-products .prod-matrix { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .prod-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
  }
  .page-products .prod-slice:nth-child(2),
  .page-products .prod-slice:nth-child(3),
  .page-products .prod-slice:nth-child(4) {
    transform: none;
  }
}