.page-products {
  --p-sec: clamp(40px, 7vw, 88px);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-block: clamp(18px, 3vw, 32px) clamp(48px, 8vw, 92px);
  overflow-x: clip;
}

.page-products .p-wrap {
  width: min(100% - 2 * var(--gutter), var(--shell));
  margin-inline: auto;
}

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

/* 面包屑 */
.page-products .p-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--ink-mute);
}

.page-products .p-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rock);
}

.page-products .p-crumb a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-products .p-crumb a:hover,
.page-products .p-crumb a:focus-visible {
  border-bottom-color: var(--signal);
}

.page-products .p-crumb [aria-current="page"] {
  color: var(--signal);
}

/* 控制台首屏 */
.page-products .console {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(22px, 4vw, 54px);
  color: var(--on-dark-strong);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(127, 216, 212, 0.24), transparent 62%),
    linear-gradient(155deg, var(--navy), var(--night) 72%);
  box-shadow: var(--shadow-panel);
}

.page-products .console::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(127, 216, 212, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 216, 212, 0.1) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(120% 78% at 72% 0%, #000, transparent 74%);
  mask-image: radial-gradient(120% 78% at 72% 0%, #000, transparent 74%);
  pointer-events: none;
}

.page-products .console > * {
  position: relative;
}

.page-products .p-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-products .p-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--signal);
}

.page-products .console h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .p-lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--on-dark);
}

.page-products .p-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
  margin: clamp(22px, 3vw, 32px) 0 clamp(20px, 3vw, 30px);
  padding: clamp(18px, 3vw, 26px) 0 0;
  border-top: 1px solid rgba(127, 216, 212, 0.24);
}

.page-products .p-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-products .p-num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.2vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--on-dark-strong);
}

.page-products .p-stats li:nth-child(even) .p-num {
  color: var(--mint);
}

.page-products .p-stat-label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: rgba(244, 247, 248, 0.62);
}

/* 分段切换 */
.page-products .console-switch {
  position: relative;
}

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

.page-products .switch-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(16px, 2.6vw, 24px);
}

.page-products .switch-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(127, 216, 212, 0.38);
  background: rgba(127, 216, 212, 0.07);
  color: var(--mint);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .switch-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.75;
}

.page-products #view-library:checked ~ .switch-pills label[for="view-library"],
.page-products #view-hub:checked ~ .switch-pills label[for="view-hub"] {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}

.page-products #view-library:focus-visible ~ .switch-pills label[for="view-library"],
.page-products #view-hub:focus-visible ~ .switch-pills label[for="view-hub"] {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
}

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

.page-products #view-library:checked ~ .switch-stage > .view-panel--library,
.page-products #view-hub:checked ~ .switch-stage > .view-panel--hub {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: center;
}

.page-products .view-copy h2 {
  margin: 0 0 12px;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--on-dark-strong);
}

.page-products .view-copy p {
  margin: 0 0 15px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--on-dark);
}

.page-products .p-bullets {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .p-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 247, 248, 0.84);
}

.page-products .p-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--mint);
}

/* 按钮（页面内使用共享类名，补齐深色底所需细节） */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .btn:hover {
  transform: translateY(-2px);
}

.page-products .btn:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
}

.page-products .btn-signal {
  background: var(--signal);
  color: #fff;
}

.page-products .btn-ghost {
  background: transparent;
  color: var(--mint);
  border-color: rgba(127, 216, 212, 0.45);
}

.page-products .btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--line-strong);
}

/* 图片容器 */
.page-products .p-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(127, 216, 212, 0.24);
  background: rgba(6, 27, 51, 0.45);
}

.page-products .p-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .p-figure--square img {
  aspect-ratio: 1 / 1;
}

.page-products .p-figure--wide {
  margin-bottom: clamp(16px, 2.6vw, 24px);
  border-color: var(--line);
  background: #fff;
}

.page-products .p-figure--wide img,
.page-products .p-figure--hub img {
  aspect-ratio: 16 / 9;
}

.page-products .p-figure--hub {
  border-color: var(--line);
  background: #fff;
}

/* 状态面板 */
.page-products .status-panel {
  display: grid;
  gap: 2px;
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.page-products .status-panel--dark {
  background: rgba(6, 27, 51, 0.62);
  border-color: rgba(127, 216, 212, 0.26);
  box-shadow: none;
}

.page-products .status-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
}

.page-products .status-panel--dark .status-row {
  border-bottom-color: rgba(127, 216, 212, 0.18);
}

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

.page-products .status-key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

.page-products .status-panel--dark .status-key {
  color: rgba(244, 247, 248, 0.6);
}

.page-products .status-val {
  min-width: 0;
  text-align: right;
  font-weight: 600;
  color: var(--navy);
}

.page-products .status-panel--dark .status-val {
  color: var(--on-dark-strong);
}

.page-products .status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.18);
}

/* 章节通用 */
.page-products .p-section {
  margin-top: var(--p-sec);
}

.page-products .p-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .p-index {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--clay);
}

.page-products .p-section h2 {
  margin: 0;
  max-width: 26ch;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--navy);
}

.page-products .p-sub {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

/* 01 三个问题 */
.page-products .p-problems {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 2vw, 18px);
}

.page-products .p-problem {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 24px);
  padding: clamp(18px, 2.6vw, 28px);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.page-products .p-problem-num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 700;
  line-height: 1;
  padding-top: 2px;
  color: var(--clay);
}

.page-products .p-problem h3 {
  margin: 0 0 8px;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-products .p-problem p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-soft);
}

/* 02 分类与标签 */
.page-products .taxonomy {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}

.page-products .cat-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
}

.page-products .cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 17px;
  border-radius: var(--radius-pill);
  background: var(--cream);
  color: var(--navy);
  font-size: 13.5px;
  font-weight: 600;
}

.page-products .cat-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss);
}

.page-products .taxo-note {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-products .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-products .tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink-soft);
  font-size: 13px;
}

.page-products .tag-pill:nth-child(4n + 1) {
  background: rgba(127, 216, 212, 0.22);
  border-color: rgba(127, 216, 212, 0.72);
  color: var(--navy);
}

.page-products .tag-pill:nth-child(4n + 3) {
  background: var(--cream);
  border-color: rgba(184, 107, 75, 0.28);
  color: var(--navy);
}

/* 03 三步流程 */
.page-products .p-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-products .p-step {
  padding: clamp(18px, 2.5vw, 26px);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--mint);
}

.page-products .p-step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-products .p-step h3 {
  margin: 0 0 8px;
  font-size: 1.04rem;
  color: var(--navy);
}

.page-products .p-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 04 中心页 */
.page-products .hub {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: center;
  padding: clamp(18px, 3.4vw, 40px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--cream), #fff 72%);
}

/* 05 场景 */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-products .scene {
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
}

.page-products .scene h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}

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

.page-products .scene-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--night);
}

.page-products .scene-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 06 版本与规模 */
.page-products .timeline {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .timeline li {
  position: relative;
  padding-top: 18px;
  border-top: 2px solid var(--line-strong);
}

.page-products .timeline li::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal);
}

.page-products .tl-year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-products .timeline p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .p-facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 18px);
  margin: 0 0 18px;
  padding: 0;
}

.page-products .p-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px);
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 1px solid var(--line);
}

.page-products .p-fact-num {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
}

.page-products .p-fact-label {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-products .p-scale-note {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .p-inline-link {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 1px;
}

.page-products .p-inline-link:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
}

/* 07 行动与联络 */
.page-products .p-cta {
  margin-top: var(--p-sec);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(24px, 4vw, 52px);
  border-radius: var(--radius-xl);
  color: var(--on-dark-strong);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 106, 43, 0.2), transparent 58%),
    linear-gradient(150deg, var(--night), var(--navy));
  box-shadow: var(--shadow-panel);
}

.page-products .p-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .p-cta-main p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-products .p-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .p-cta .btn-outline {
  color: var(--on-dark-strong);
  border-color: rgba(244, 247, 248, 0.4);
}

.page-products .p-contact {
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius-lg);
  background: rgba(6, 27, 51, 0.55);
  border: 1px solid rgba(127, 216, 212, 0.24);
}

.page-products .p-contact h3 {
  margin: 0 0 14px;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--mint);
}

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

.page-products .p-contact li {
  display: grid;
  gap: 3px;
}

.page-products .c-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(244, 247, 248, 0.55);
}

.page-products .c-val {
  font-size: 14px;
  line-height: 1.65;
  color: var(--on-dark-strong);
  word-break: break-word;
}

/* 桌面端 */
@media (min-width: 760px) {
  .page-products .p-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .p-problems .p-problem:nth-child(2) {
    margin-left: clamp(20px, 4vw, 64px);
  }

  .page-products .p-problems .p-problem:nth-child(3) {
    margin-right: clamp(20px, 4vw, 64px);
  }

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

  .page-products .scene-figure {
    grid-row: span 2;
    min-height: 220px;
  }

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

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

@media (min-width: 880px) {
  .page-products #view-library:checked ~ .switch-stage > .view-panel--library,
  .page-products #view-hub:checked ~ .switch-stage > .view-panel--hub {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-products .taxonomy {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

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

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

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

  .page-products .p-cta {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .btn,
  .page-products .switch-pill,
  .page-products .p-crumb a {
    transition: none;
  }

  .page-products .btn:hover {
    transform: none;
  }
}