.page-products {
  background: var(--ink-void);
  color: var(--mist);
  --scene-ink: #0A1220;
  --scene-body: #3B4A61;
  --scene-line: #CBD5E4;
  --scene-accent: #B4470F;
}

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

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-products .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(34px, 7.2vw, 64px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--chalk);
  margin: 14px 0 0;
  text-wrap: balance;
}

.page-products .hero-lede {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

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

/* ---------- 关键数字条 ---------- */
.page-products .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--steel);
}

.page-products .stat dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
  line-height: 1.5;
}

.page-products .stat dd {
  margin: 8px 0 0;
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.page-products .stat__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1;
  color: var(--chalk);
  letter-spacing: -0.01em;
}

.page-products .stat__unit {
  font-size: 13px;
  color: var(--compete);
  font-family: var(--font-mono);
}

/* ---------- 章节索引 ---------- */
.page-products .chapter-index {
  position: sticky;
  top: 0;
  z-index: 4;
  margin-top: clamp(26px, 4vw, 40px);
  padding: 10px 0 10px;
  background: linear-gradient(180deg, var(--ink-void) 70%, rgba(10, 18, 32, 0.86));
  border-bottom: 1px solid var(--steel);
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-products .chapter-index__label {
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--compete);
  white-space: nowrap;
}

.page-products .chapter-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 2px 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .chapter-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .chapter-index__link {
  display: block;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-products .chapter-index__link:hover,
.page-products .chapter-index__link:focus-visible {
  color: var(--chalk);
  border-color: var(--steel);
}

.page-products .chapter-index__link[aria-current="true"] {
  color: var(--ink-void);
  background: var(--compete);
  border-color: var(--compete);
  font-weight: 600;
}

/* ---------- 章节通用 ---------- */
.page-products .section__head {
  max-width: 66ch;
}

.page-products .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 4.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--chalk);
  margin: 12px 0 0;
}

.page-products .section__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .sub-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--chalk);
  margin: 0 0 16px;
}

/* ---------- 四象限能力图 ---------- */
.page-products .overview-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(28px, 4vw, 42px);
  align-items: start;
}

.page-products .quad-map {
  margin: 0;
}

.page-products .quad-map svg {
  width: 100%;
  height: auto;
  display: block;
}

.page-products .quad-link {
  fill: none;
  stroke: var(--steel);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.page-products .quad rect {
  fill: var(--ink-raise);
  stroke: var(--steel);
  stroke-width: 1.5;
  transition: fill 0.28s var(--ease), stroke 0.28s var(--ease);
}

.page-products .quad:hover rect {
  fill: #16263F;
  stroke: var(--compete);
}

.page-products .quad__num {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--compete);
  letter-spacing: 0.1em;
}

.page-products .quad__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  fill: var(--chalk);
  letter-spacing: 0.02em;
}

.page-products .quad__sub {
  font-family: var(--font-body);
  font-size: 10.5px;
  fill: var(--mist);
}

.page-products .quad-map__cap {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 工具清单 ---------- */
.page-products .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .brief {
  padding: 18px 0 18px 18px;
  border-left: 2px solid var(--steel);
  transition: border-color 0.28s var(--ease);
}

.page-products .brief:hover {
  border-left-color: var(--compete);
}

.page-products .brief__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--compete);
  letter-spacing: 0.14em;
}

.page-products .brief__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  color: var(--chalk);
  margin: 6px 0 8px;
  letter-spacing: 0.01em;
}

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

/* ---------- 变更类型徽章 ---------- */
.page-products .badge-block {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .badge-block__cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--warm);
}

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

.page-products .badge {
  padding: 13px 14px;
  background: var(--ink-raise);
  border: 1px solid var(--steel);
  border-radius: var(--radius-s);
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .badge:hover {
  background: #172840;
  border-color: var(--compete);
}

.page-products .badge__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--compete);
  letter-spacing: 0.12em;
}

.page-products .badge__name {
  display: block;
  margin-top: 7px;
  font-size: 14.5px;
  color: var(--chalk);
  line-height: 1.4;
}

/* ---------- 双列说明 ---------- */
.page-products .split {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(30px, 4vw, 46px);
}

.page-products .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .channel {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--steel);
}

.page-products .channel:last-child {
  border-bottom: 1px solid var(--steel);
}

.page-products .channel__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--compete);
}

.page-products .channel__text {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .channel-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--warm);
}

.page-products .factline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .factline__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--steel);
}

.page-products .factline__row:last-child {
  border-bottom: 1px solid var(--steel);
}

.page-products .factline__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1;
  color: var(--chalk);
  letter-spacing: -0.01em;
}

.page-products .factline__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 图文并排 ---------- */
.page-products .split-band {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-products .split-band__media {
  margin: 0;
}

.page-products .split-band__body .section__title {
  margin-top: 12px;
}

.page-products .split-band__lede {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .check-rows {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .check-rows li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .check-rows li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--turf);
}

.page-products .check-rows strong {
  color: var(--chalk);
  margin-right: 8px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
}

.page-products .split-band__link {
  margin: 22px 0 0;
}

/* ---------- 交锋五维度 ---------- */
.page-products .dim-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: dim;
}

.page-products .dim {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--steel);
}

.page-products .dim:last-child {
  border-bottom: 1px solid var(--steel);
}

.page-products .dim__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--compete);
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-products .dim__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .dim__text strong {
  display: block;
  color: var(--chalk);
  font-size: 15.5px;
  margin-bottom: 3px;
  font-weight: 600;
}

/* ---------- 适配清单 ---------- */
.page-products .devices-figure {
  margin: clamp(24px, 4vw, 38px) 0 0;
}

.page-products .device-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-products .device-card {
  background: var(--ink-raise);
  border: 1px solid var(--steel);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: border-color 0.24s var(--ease);
}

.page-products .device-card:hover {
  border-color: #2A4265;
}

.page-products .device-card > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
}

.page-products .device-card > summary::-webkit-details-marker {
  display: none;
}

.page-products .device-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  color: var(--chalk);
  letter-spacing: 0.02em;
}

.page-products .device-card__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--compete);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-products .ring {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: conic-gradient(var(--compete) var(--arc), var(--steel) 0);
  position: relative;
  display: block;
  flex: none;
}

.page-products .ring::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--ink-raise);
}

.page-products .ring--phone { --arc: 18%; }
.page-products .ring--fold { --arc: 14%; }
.page-products .ring--tablet { --arc: 15%; }
.page-products .ring--desktop { --arc: 21%; }
.page-products .ring--big { --arc: 17%; }
.page-products .ring--car { --arc: 15%; }

.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0 16px 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 7px 14px;
}

.page-products .check-list li {
  position: relative;
  padding-left: 13px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--mist);
}

.page-products .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--turf);
}

/* ---------- 自查 ---------- */
.page-products .self-check {
  margin-top: clamp(28px, 4vw, 42px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-raise);
  border: 1px solid var(--steel);
  border-left: 3px solid var(--compete);
  border-radius: var(--radius-m);
}

.page-products .self-check__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .self-check__steps li {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .self-check__n {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--warm);
  margin-bottom: 3px;
}

.page-products .self-check__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

/* ---------- 场景对照（浅场） ---------- */
.page-products .scene-section {
  background: var(--field-light);
  color: var(--scene-body);
}

.page-products .scene-section .eyebrow {
  color: var(--scene-accent);
}

.page-products .scene-section .section__title {
  color: var(--scene-ink);
}

.page-products .scene-section .section__lede {
  color: var(--scene-body);
}

.page-products .scene-band {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
}

.page-products .scene-section .media-frame__caption {
  color: var(--scene-body);
}

.page-products .scene-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 30px);
  background: var(--scene-line);
  border: 1px solid var(--scene-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .scene {
  background: #FFFFFF;
  padding: 22px 20px 24px;
}

.page-products .scene__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1;
  color: var(--scene-accent);
  letter-spacing: -0.01em;
}

.page-products .scene__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--scene-ink);
  margin: 10px 0 0;
}

.page-products .scene__tool {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--scene-accent);
  line-height: 1.6;
}

.page-products .scene__result {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--scene-body);
}

/* ---------- 版本与性能 ---------- */
.page-products .kpi-row {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-products .kpi {
  padding: 20px;
  background: var(--ink-raise);
  border: 1px solid var(--steel);
  border-radius: var(--radius-m);
}

.page-products .kpi__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1;
  color: var(--compete);
  letter-spacing: -0.01em;
}

.page-products .kpi__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .version-track {
  list-style: none;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  border-top: 1px solid var(--steel);
  padding-top: 20px;
}

.page-products .version {
  position: relative;
  padding-left: 16px;
}

.page-products .version::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--turf);
}

.page-products .version__year {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--warm);
}

.page-products .version__text {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 收束 ---------- */
.page-products .next {
  margin-top: clamp(30px, 4.4vw, 48px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--steel);
}

.page-products .next__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--chalk);
  margin: 0;
}

.page-products .next__text {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 20px 0 0;
}

.page-products .next-link {
  font-size: 14px;
  color: var(--warm);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .next-link:hover,
.page-products .next-link:focus-visible {
  color: var(--compete);
  border-bottom-color: var(--compete);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .channel {
    grid-template-columns: 110px 1fr;
  }

  .page-products .factline__row {
    flex-direction: row;
    align-items: baseline;
    gap: 18px;
  }

  .page-products .factline__num {
    min-width: 118px;
    font-size: 28px;
  }

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

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

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

  .page-products .version-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 30px;
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-products .chapter-index__label {
    display: block;
  }

  .page-products .overview-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

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

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

  .page-products .version-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .version {
    padding-left: 0;
    padding-top: 18px;
    border-top: 1px solid var(--steel);
  }

  .page-products .version::before {
    top: -4px;
    left: 0;
  }

  .page-products .version-track {
    border-top: 0;
    padding-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-products .device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .device-card--desktop {
    grid-column: span 2;
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .badge,
  .page-products .brief,
  .page-products .device-card,
  .page-products .chapter-index__link,
  .page-products .quad rect,
  .page-products .next-link {
    transition: none;
  }
}
<<<END>>>