.page-products {
  --prod-rule: 2px solid var(--line);
  --prod-gap: clamp(20px, 3vw, 44px);
  --prod-pad: clamp(20px, 3.4vw, 44px);
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: clip;
}

/* ---------- 首屏框景 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: calc(var(--header-h) + 24px) 0 0;
  background:
    radial-gradient(1100px 420px at 84% -12%, rgba(52, 200, 255, .13), transparent 70%),
    radial-gradient(900px 380px at 4% -6%, rgba(201, 162, 75, .12), transparent 68%),
    var(--ink);
}

.page-products .prod-hero__shell {
  display: grid;
  gap: 16px;
}

.page-products .prod-hero__frame {
  position: relative;
  overflow: hidden;
  padding: calc(var(--prod-pad) + 10px) var(--prod-pad) var(--prod-pad);
  border: var(--prod-rule);
  border-left: 4px solid var(--gold);
  background: linear-gradient(158deg, rgba(20, 25, 32, .97), rgba(16, 21, 27, .97));
  box-shadow: var(--shadow-hard);
}

.page-products .prod-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 12px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 2px, transparent 2px 18px);
  opacity: .9;
  pointer-events: none;
}

.page-products .prod-hero__frame::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 240px;
  height: 240px;
  background: conic-gradient(from 200deg, rgba(59, 255, 158, .16), transparent 55%);
  pointer-events: none;
}

.page-products .prod-hero .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .prod-hero__title {
  position: relative;
  margin: 14px 0 0;
  font-size: clamp(1.95rem, 5.2vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white-soft);
  max-width: 22ch;
}

.page-products .prod-hl {
  color: var(--gold-hi);
  border-bottom: 3px solid var(--neon);
  padding-bottom: 2px;
}

.page-products .prod-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: var(--text);
  padding-left: 16px;
  border-left: 2px solid var(--blue);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-hero__ticks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 24px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-products .prod-hero__ticks b {
  color: var(--neon);
  font-weight: 700;
}

/* ---------- 顶部数据条 ---------- */
.page-products .prod-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(22px, 3vw, 36px);
  border-top: var(--prod-rule);
  border-bottom: var(--prod-rule);
  background: var(--panel-deep);
}

.page-products .prod-strip .data-strip__item {
  display: grid;
  gap: 5px;
  padding: 15px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-strip .data-strip__item:nth-child(2n) {
  border-right: none;
}

.page-products .prod-strip .data-strip__item:nth-last-child(-n + 2) {
  border-bottom: none;
}

.page-products .prod-strip .data-strip__value {
  font-family: var(--mono);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-hi);
}

.page-products .prod-strip .data-strip__label {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-products .prod-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-strip .data-strip__item {
    border-bottom: none;
  }

  .page-products .prod-strip .data-strip__item:nth-child(2n) {
    border-right: 1px solid var(--line);
  }

  .page-products .prod-strip .data-strip__item:last-child {
    border-right: none;
  }
}

/* ---------- 主体骨架 ---------- */
.page-products .prod-body {
  display: grid;
  gap: var(--prod-gap);
  padding: clamp(30px, 4.4vw, 68px) 0 clamp(42px, 5vw, 84px);
}

@media (min-width: 1024px) {
  .page-products .prod-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 56px);
  }

  .page-products .prod-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
  }
}

.page-products .prod-flow {
  display: grid;
  gap: clamp(30px, 4vw, 62px);
  min-width: 0;
}

/* ---------- 左侧章节索引 ---------- */
.page-products .prod-rail {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
}

.page-products .prod-rail__title {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .prod-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .index-rail__item {
  flex: none;
}

.page-products .index-rail__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 12px;
  border-left: 2px solid var(--line);
  background: rgba(20, 25, 32, .6);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-products .index-rail__link:hover {
  border-left-color: var(--gold);
  color: var(--gold-hi);
}

.page-products .index-rail__link.is-current {
  border-left-color: var(--neon);
  background: rgba(59, 255, 158, .07);
  color: var(--white-soft);
}

.page-products .index-rail__num {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gold);
}

@media (min-width: 1024px) {
  .page-products .prod-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .index-rail__link {
    white-space: normal;
  }
}

/* ---------- 章节题头 ---------- */
.page-products .prod-section {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
  min-width: 0;
}

.page-products .prod-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 16px;
  align-items: start;
  padding-top: 16px;
  border-top: var(--prod-rule);
}

.page-products .prod-head__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: 5px 8px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--gold);
}

.page-products .prod-head .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-products .prod-head .section-title {
  margin: 6px 0 0;
  font-size: clamp(1.45rem, 3.1vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white-soft);
}

/* ---------- 正文与图示 ---------- */
.page-products .prose p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

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

.page-products .prose strong {
  color: var(--white-soft);
  font-weight: 700;
}

.page-products .prod-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-products .prod-split {
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
  min-width: 0;
}

@media (min-width: 900px) {
  .page-products .prod-split {
    grid-template-columns: minmax(0, 1fr) 290px;
    align-items: start;
  }
}

.page-products .prod-figure {
  display: grid;
  gap: 10px;
  margin: 0;
  min-width: 0;
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--prod-rule);
  background: var(--panel);
  filter: saturate(.72) contrast(1.08) brightness(.94);
  object-fit: cover;
}

.page-products .prod-figure--phone img {
  aspect-ratio: 9 / 16;
}

.page-products .prod-figure--panel img {
  aspect-ratio: 4 / 5;
}

.page-products .prod-figure--wide img {
  aspect-ratio: 3 / 2;
  max-height: 420px;
}

.page-products .prod-figure__cap {
  padding-left: 10px;
  border-left: 2px solid var(--gold);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 对照表 ---------- */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: var(--prod-rule);
  background: var(--panel-deep);
}

.page-products .prod-compare {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .prod-compare th,
.page-products .prod-compare td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-products .prod-compare thead th {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--gold);
  background: var(--panel);
}

.page-products .prod-compare tbody th {
  width: 22%;
  font-weight: 700;
  color: var(--white-soft);
  background: rgba(20, 25, 32, .7);
}

.page-products .prod-compare tbody td {
  color: var(--text);
}

.page-products .prod-compare tbody tr {
  transition: background-color .18s var(--ease);
}

.page-products .prod-compare tbody tr:hover {
  background: rgba(52, 200, 255, .07);
}

.page-products .prod-compare tbody tr:last-child th,
.page-products .prod-compare tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 步骤 ---------- */
.page-products .prod-steps-layout {
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
  min-width: 0;
}

@media (min-width: 900px) {
  .page-products .prod-steps-layout {
    grid-template-columns: minmax(0, 1fr) 270px;
    align-items: start;
  }
}

.page-products .prod-steps {
  border-left: 2px solid var(--line);
  padding-left: 24px;
}

.page-products .prod-step {
  position: relative;
  padding: 2px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .prod-step::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 26px;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .prod-step[open]::before {
  border-color: var(--neon);
  background: var(--neon);
}

.page-products .prod-step__head {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding: 17px 0 14px;
  cursor: pointer;
  list-style: none;
}

.page-products .prod-step__head::-webkit-details-marker,
.page-products .prod-tree__summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-step__num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--neon);
}

.page-products .prod-step__title {
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  font-weight: 800;
  color: var(--white-soft);
}

.page-products .prod-step__body {
  display: grid;
  gap: 12px;
  padding: 0 0 20px;
}

.page-products .prod-step__body .prose p {
  font-size: 15px;
}

.page-products .prod-step__list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-step__list li {
  position: relative;
  padding-left: 17px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-step__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  font-size: 12px;
  color: var(--neon);
}

/* ---------- 筛选条件 ---------- */
.page-products .prod-filters {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--prod-rule);
}

.page-products .prod-filters li {
  display: grid;
  gap: 5px;
  padding: 15px 16px;
  background: var(--panel);
}

.page-products .prod-filters__key {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .prod-filters__val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

@media (min-width: 720px) {
  .page-products .prod-filters li {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 场景横向带 ---------- */
.page-products .prod-scenes {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--prod-rule);
}

.page-products .prod-scene {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 20px 18px;
  background: var(--panel-deep);
}

.page-products .prod-scene__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--white-soft);
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 780px) {
  .page-products .prod-scenes {
    grid-template-columns: 1.15fr .85fr 1fr;
  }
}

/* ---------- 目录编号结构图 ---------- */
.page-products .prod-diagram {
  display: block;
  width: 100%;
  height: auto;
  padding: 10px;
  border: var(--prod-rule);
  background: linear-gradient(180deg, rgba(14, 42, 34, .55), rgba(16, 21, 27, .9));
  box-sizing: border-box;
}

.page-products .prod-diagram .d-frame {
  fill: rgba(20, 25, 32, .92);
  stroke: var(--line);
  stroke-width: 2;
}

.page-products .prod-diagram .d-frame--wide {
  fill: rgba(14, 42, 34, .85);
  stroke: var(--neon);
}

.page-products .prod-diagram .d-code {
  fill: var(--white-soft);
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
}

.page-products .prod-diagram .d-sub {
  fill: var(--muted);
  font-family: var(--sans);
  font-size: 13px;
}

.page-products .prod-diagram .d-sep {
  fill: var(--gold);
  font-family: var(--mono);
  font-size: 22px;
}

.page-products .prod-diagram .d-arrow {
  fill: none;
  stroke: var(--gold);
  stroke-width: 2;
  stroke-dasharray: 5 5;
}

/* ---------- 目录树 ---------- */
.page-products .prod-dir {
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
  min-width: 0;
}

@media (min-width: 900px) {
  .page-products .prod-dir {
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: start;
  }
}

.page-products .prod-tree-wrap {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-products .prod-tree {
  border: 1px solid var(--line);
  background: var(--panel-deep);
}

.page-products .prod-tree + .prod-tree {
  margin-top: -1px;
}

.page-products .prod-tree__summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  color: var(--text);
}

.page-products .prod-tree__summary::after {
  content: "展开";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
}

.page-products .prod-tree[open] .prod-tree__summary::after {
  content: "收起";
  color: var(--neon);
}

.page-products .prod-tree__code {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  border: 1px solid var(--line);
  padding: 3px 8px;
  background: var(--panel);
}

.page-products .prod-tree__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 2px 16px 14px 30px;
  list-style: none;
}

.page-products .prod-tree__list li {
  padding: 7px 0;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 提醒 ---------- */
.page-products .prod-alerts {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--prod-rule);
}

.page-products .prod-alert {
  display: grid;
  gap: 7px;
  align-content: start;
  padding: 17px 16px;
  background: var(--panel-deep);
}

.page-products .prod-alert__head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--white-soft);
}

.page-products .prod-alert__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
}

.page-products .prod-alert p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 640px) {
  .page-products .prod-alerts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products .prod-alerts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 同步与导出面板 ---------- */
.page-products .prod-sync {
  border: var(--prod-rule);
  border-left: 4px solid var(--blue);
  background: var(--panel-deep);
}

.page-products .prod-sync .panel__body {
  display: grid;
  gap: 12px;
}

.page-products .prod-sync .panel__body p {
  font-size: 15px;
}

/* ---------- 规格格 ---------- */
.page-products .prod-specs {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--prod-rule);
}

.page-products .prod-spec {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 18px 16px;
  background: var(--panel);
}

.page-products .prod-spec__value {
  font-family: var(--mono);
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--gold-hi);
}

.page-products .prod-spec__label {
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--muted);
}

@media (min-width: 640px) {
  .page-products .prod-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.page-products .prod-help {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 结尾行动区 ---------- */
.page-products .prod-cta {
  display: grid;
  gap: 14px;
  padding: clamp(24px, 3.4vw, 44px);
  border: var(--prod-rule);
  border-top: 4px solid var(--gold);
  background:
    linear-gradient(140deg, rgba(14, 42, 34, .9), rgba(16, 21, 27, .96)),
    var(--panel-deep);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-cta__eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-products .prod-cta__title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white-soft);
}

.page-products .prod-cta__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--text);
}

.page-products .prod-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 焦点可见性 ---------- */
.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}