.page-products {
  --p-accent: var(--c-cyan);
  --p-accent-soft: var(--c-cyan-soft);
  --p-line: rgba(0, 229, 208, 0.20);
  --p-line-soft: rgba(167, 182, 200, 0.16);
  --p-stage: clamp(56px, 9vw, 112px);
}

/* ---------- 通用区块 ---------- */
.page-products .sec-hero,
.page-products .sec-diff,
.page-products .sec-catalog,
.page-products .sec-process,
.page-products .sec-scenarios,
.page-products .sec-support,
.page-products .sec-start {
  padding-block: var(--p-stage);
}

.page-products .p-slash {
  position: relative;
  height: clamp(38px, 6vw, 74px);
  background: var(--c-navy);
  overflow: hidden;
}

.page-products .p-slash::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-ink);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.page-products .sec-head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-products .sec-head h2 {
  font-size: var(--fz-38);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 12px 0 0;
  color: var(--c-paper);
}

.page-products .sec-head .lede {
  margin-top: 16px;
}

.page-products .sec-head .mono-index {
  color: var(--p-accent);
}

/* ---------- 首屏 ---------- */
.page-products .sec-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(36px, 6vw, 84px) clamp(48px, 7vw, 96px);
}

.page-products .sec-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -20%;
  width: 46vmax;
  height: 46vmax;
  background: radial-gradient(circle at 50% 50%, rgba(0, 229, 208, 0.10), transparent 68%);
  pointer-events: none;
}

.page-products .sec-hero .page-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 4vw, 58px);
  align-items: start;
}

.page-products .sec-hero h1 {
  font-size: var(--fz-56);
  font-weight: 900;
  letter-spacing: -0.022em;
  line-height: 1.03;
  margin: 16px 0 0;
  color: var(--c-paper);
}

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

.page-products .sec-hero .lede {
  margin-top: 18px;
  max-width: 58ch;
}

.page-products .hero-metrics {
  list-style: none;
  margin: clamp(26px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--p-line-soft);
  border: 1px solid var(--p-line-soft);
}

.page-products .metric {
  background: var(--c-ink);
  padding: 18px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-products .metric__num {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--p-accent);
  line-height: 1;
}

.page-products .metric__label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-products .hero-panel {
  border: 1px solid var(--p-line);
  border-top-color: var(--p-accent);
  background: linear-gradient(158deg, rgba(18, 58, 94, 0.92), rgba(5, 11, 24, 0.96));
  padding: clamp(20px, 2.6vw, 30px);
  box-shadow: var(--shadow-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-products .panel-kicker {
  color: var(--c-mist);
  font-size: 12px;
  letter-spacing: 0.12em;
  margin: 0 0 14px;
}

.page-products .domain-key {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--p-line-soft);
}

.page-products .domain-key__row {
  background: rgba(5, 11, 24, 0.6);
  padding: 13px 14px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-left: 2px solid var(--p-accent);
}

.page-products .domain-key__row--b { border-left-color: var(--c-cyan-soft); }
.page-products .domain-key__row--c { border-left-color: var(--c-mist); }
.page-products .domain-key__row--d { border-left-color: var(--c-amber); }

.page-products .domain-key__name {
  color: var(--c-paper);
  font-size: 15px;
  font-weight: 600;
}

.page-products .domain-key__range {
  color: var(--c-mist);
  font-size: 13px;
}

.page-products .panel-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 版本差异 ---------- */
.page-products .diff {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .diff-col {
  padding: clamp(20px, 2.6vw, 32px);
  border: 1px solid var(--p-line-soft);
  position: relative;
}

.page-products .diff-col--v2 {
  background: rgba(5, 11, 24, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-products .diff-col--v3 {
  background: linear-gradient(150deg, rgba(18, 58, 94, 0.75), rgba(5, 11, 24, 0.9));
  border-color: var(--p-line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-products .diff-col__label {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.page-products .diff-col--v3 .diff-col__label {
  color: var(--c-cyan-soft);
}

.page-products .diff-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px 16px;
}

.page-products .diff-list li {
  font-size: 15px;
  color: var(--c-paper);
  opacity: 0.78;
  padding-left: 14px;
  position: relative;
}

.page-products .diff-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--c-mist);
  opacity: 0.7;
}

.page-products .diff-col__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-products .add-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .add-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--p-line-soft);
}

.page-products .add-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .add-num {
  font-size: 13px;
  color: var(--c-orange);
  padding-top: 3px;
}

.page-products .add-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .add-desc {
  grid-column: 2 / -1;
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .diff-figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
}

/* ---------- 栏目全览 ---------- */
.page-products .catalog-figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
  position: relative;
}

.page-products .catalog-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  opacity: 0.42;
  border: 1px solid var(--p-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 34px 100%, 0 calc(100% - 34px));
}

.page-products .catalog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--p-line-soft);
  border: 1px solid var(--p-line-soft);
}

.page-products .cell {
  background: var(--c-ink);
  border-left: 2px solid transparent;
  transition: background 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  min-width: 0;
}

.page-products .cell[data-domain="content"] { border-left-color: var(--c-cyan); }
.page-products .cell[data-domain="subscribe"] { border-left-color: var(--c-cyan-soft); }
.page-products .cell[data-domain="client"] { border-left-color: var(--c-mist); }
.page-products .cell[data-domain="index"] { border-left-color: var(--c-amber); }

.page-products .cell:hover,
.page-products .cell[open] {
  background: var(--c-navy);
}

.page-products .cell__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 6px 12px;
  padding: 20px 18px;
  cursor: pointer;
  list-style: none;
}

.page-products .cell__summary::-webkit-details-marker { display: none; }
.page-products .cell__summary::marker { content: ""; }

.page-products .cell__num {
  grid-column: 1;
  font-size: 13px;
  color: var(--c-mist);
}

.page-products .cell__name {
  grid-column: 2;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-paper);
  line-height: 1.4;
}

.page-products .cell__dot {
  grid-column: 3;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  align-self: center;
  background: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 208, 0.12);
}

.page-products .cell[data-domain="subscribe"] .cell__dot { background: var(--c-cyan-soft); box-shadow: 0 0 0 3px rgba(124, 243, 230, 0.12); }
.page-products .cell[data-domain="client"] .cell__dot { background: var(--c-mist); box-shadow: 0 0 0 3px rgba(167, 182, 200, 0.12); }
.page-products .cell[data-domain="index"] .cell__dot { background: var(--c-amber); box-shadow: 0 0 0 3px rgba(255, 194, 75, 0.12); }

.page-products .cell__brief {
  grid-column: 2 / -1;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-mist);
}

.page-products .badge-new {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-orange);
  border: 1px solid rgba(255, 122, 61, 0.5);
  border-radius: 2px;
  vertical-align: middle;
}

.page-products .cell__body {
  padding: 0 18px 22px;
}

.page-products .cell__spec {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--p-line-soft);
  font-size: 14px;
}

.page-products .cell__spec dt {
  color: var(--c-mist);
  font-size: 13px;
  margin-top: 12px;
}

.page-products .cell__spec dt:first-child { margin-top: 0; }

.page-products .cell__spec dd {
  margin: 3px 0 0;
  color: var(--c-paper);
  line-height: 1.7;
}

.page-products .catalog-foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .catalog-foot a {
  color: var(--p-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 推进路径 ---------- */
.page-products .process-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
}

.page-products .process-node {
  position: relative;
  padding: 0 0 28px 34px;
  border-left: 1px solid var(--p-line);
}

.page-products .process-node:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-products .node__idx {
  position: absolute;
  left: -13px;
  top: 2px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: var(--c-ink);
  background: var(--c-cyan);
  border-radius: 50%;
}

.page-products .node__title {
  margin: 0;
  font-size: var(--fz-19);
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .node__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mist);
  max-width: 62ch;
}

.page-products .node__out {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--c-paper);
  padding: 8px 12px;
  border-left: 2px solid var(--c-cyan-soft);
  background: rgba(18, 58, 94, 0.35);
  display: inline-block;
}

.page-products .node__out-key {
  color: var(--c-mist);
  margin-right: 8px;
  font-size: 13px;
}

.page-products .process-foot {
  margin-top: clamp(32px, 4vw, 56px);
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-products .process-foot__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 58ch;
  align-self: center;
}

.page-products .process-figure { margin: 0; }

/* ---------- 场景组合 ---------- */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.5vw, 28px);
}

.page-products .scene {
  padding: clamp(22px, 2.6vw, 32px);
  background: rgba(11, 27, 51, 0.65);
  border: 1px solid var(--p-line-soft);
  border-top: 2px solid var(--p-accent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-products .scene__tag {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-cyan-soft);
}

.page-products .scene__title {
  margin: 0;
  font-size: var(--fz-19);
  font-weight: 700;
  color: var(--c-paper);
  line-height: 1.4;
}

.page-products .scene__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .scene__combo {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .combo-chip {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  padding: 5px 8px;
  font-size: 12px;
  color: var(--c-paper);
  border: 1px solid var(--p-line);
}

.page-products .scene-figure {
  margin: clamp(30px, 4vw, 52px) 0 0;
}

/* ---------- 配合方式 ---------- */
.page-products .support-split {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-products .support-copy .mono-index { color: var(--p-accent); }

.page-products .support-copy h2 {
  font-size: var(--fz-38);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 12px 0 0;
  color: var(--c-paper);
}

.page-products .support-copy .lede {
  margin-top: 16px;
  max-width: 56ch;
}

.page-products .team-list {
  list-style: none;
  margin: clamp(26px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--p-line-soft);
  border: 1px solid var(--p-line-soft);
}

.page-products .team-row {
  background: rgba(5, 11, 24, 0.7);
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 4px 14px;
  padding: 14px 16px;
}

.page-products .team-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--p-accent);
  line-height: 1.1;
}

.page-products .team-role {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-paper);
}

.page-products .team-desc {
  grid-column: 2 / -1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .support-note {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 58ch;
}

.page-products .support-note a {
  color: var(--p-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .support-figure { margin: 0; }

/* ---------- 收尾 ---------- */
.page-products .sec-start {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-products .start-panel {
  border-top: 2px solid var(--p-accent);
  padding-top: clamp(24px, 3vw, 36px);
  max-width: 68ch;
}

.page-products .start-panel h2 {
  margin: 0;
  font-size: var(--fz-26);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  line-height: 1.25;
}

.page-products .start-panel p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-products .start-panel a {
  color: var(--p-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .hero-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .team-row {
    grid-template-columns: auto minmax(120px, auto) 1fr;
  }

  .page-products .team-desc {
    grid-column: 3;
  }
}

@media (min-width: 900px) {
  .page-products .diff {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    align-items: start;
  }

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

  .page-products .process-foot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-products .sec-hero .page-shell {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-products .support-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

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

@media (min-width: 1100px) {
  .page-products .process-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: clamp(18px, 2vw, 30px);
    border-top: 1px solid var(--p-line);
    padding-top: 34px;
  }

  .page-products .process-node {
    padding: 0;
    border-left: 0;
  }

  .page-products .node__idx {
    left: 0;
    top: -47px;
  }

  .page-products .node__out {
    display: block;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cell,
  .page-products .cell__summary {
    transition: none;
  }
}