.page-products {
  --tool-rail-w: 96px;
  --tool-island-w: 288px;
  color: var(--frost);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(44, 74, 102, 0.26) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(44, 74, 102, 0.26) 1px, transparent 1px),
    radial-gradient(130% 90% at 88% -12%, rgba(25, 211, 230, 0.14), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(11, 110, 122, 0.16), transparent 60%);
  background-size: 80px 80px, 80px 80px, 100% 100%, 100% 100%;
  padding-bottom: 84px;
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  padding: 28px 0 44px;
  border-bottom: 1px solid var(--grid);
}

.page-products .tools-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 62%);
}

.page-products .tools-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .tools-hero-main h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 8vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-products .tools-hero-lead {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--dim);
  font-size: 16px;
  line-height: 1.85;
}

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

.page-products .hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
}

.page-products .hero-metric {
  border-top: 1px solid var(--grid);
  padding-top: 10px;
}

.page-products .hero-metric dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dim);
  text-transform: uppercase;
}

.page-products .hero-metric dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.page-products .hero-metric-num {
  font-size: 30px;
  font-weight: 500;
  color: var(--amber);
  margin-right: 2px;
  font-variant-numeric: tabular-nums;
}

/* ---------- 三列骨架 ---------- */
.page-products .tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 34px;
  align-items: start;
}

/* ---------- 左侧轮次时间轴 ---------- */
.page-products .tool-rail {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 8px;
}

.page-products .tool-rail ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--grid);
  border-radius: var(--r);
  background: rgba(14, 33, 53, 0.7);
  color: var(--dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-products .toc-link:hover,
.page-products .toc-link:focus-visible {
  color: var(--frost);
  border-color: var(--cyan);
}

.page-products .toc-link.is-active {
  color: var(--frost);
  border-color: var(--amber);
  background: rgba(245, 169, 63, 0.12);
}

.page-products .rail-idx {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .toc-link.is-active .rail-idx {
  color: var(--amber);
}

.page-products .rail-name {
  font-size: 13px;
}

/* ---------- 主内容堆叠面板 ---------- */
.page-products .tool-main {
  display: flex;
  flex-direction: column;
  gap: 48px;
  min-width: 0;
}

.page-products .tool-section {
  padding: clamp(18px, 3.2vw, 36px);
  border: 1px solid var(--grid);
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(14, 33, 53, 0.96), rgba(8, 20, 34, 0.94));
  box-shadow: 0 18px 44px rgba(3, 10, 18, 0.42);
}

.page-products .chapter-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
}

.page-products .chapter-num {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-products .chapter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.12;
  color: var(--frost);
}

.page-products .section-lead {
  margin: 0 0 22px;
  max-width: 54ch;
  color: var(--dim);
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 图片 ---------- */
.page-products .media-frame {
  margin: 26px 0 0;
  border: 1px solid var(--grid);
  border-radius: var(--r);
  background: rgba(26, 50, 71, 0.4);
  overflow: hidden;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media-frame figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--dim);
  border-top: 1px solid var(--grid);
}

.page-products .media-frame--tall {
  max-width: 420px;
  margin: 0;
}

/* ---------- 01 能力卡片 ---------- */
.page-products .cap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-products .cap-card {
  padding: 16px 18px;
  border: 1px solid var(--grid);
  border-left: 2px solid var(--cyan);
  background: rgba(26, 50, 71, 0.46);
}

.page-products .cap-card:nth-child(even) {
  border-left-color: var(--teal);
}

.page-products .cap-key {
  margin: 0 0 8px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-products .cap-card h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--frost);
}

.page-products .cap-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 分段控件 ---------- */
.page-products .segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  margin: 4px 0 20px;
  border: 1px solid var(--grid);
  border-radius: var(--r);
  background: rgba(8, 20, 34, 0.72);
}

.page-products .segmented button {
  appearance: none;
  border: 0;
  border-radius: var(--r);
  padding: 9px 14px;
  background: transparent;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 120ms var(--ease), color 120ms var(--ease);
}

.page-products .segmented button:hover {
  color: var(--frost);
}

.page-products .segmented button[aria-selected="true"] {
  background: var(--cyan);
  color: var(--on-cyan);
}

.page-products .segmented button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-products .seg-panel + .seg-panel {
  margin-top: 18px;
}

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

/* ---------- 02 检索 ---------- */
.page-products .search-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-products .search-body {
  min-width: 0;
}

.page-products .search-media {
  margin: 0;
}

.page-products .result-card {
  border: 1px solid var(--grid);
  background: rgba(8, 20, 34, 0.66);
  padding: 0 0 4px;
}

.page-products .result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 9px 14px;
  border-bottom: 1px solid var(--grid);
  background: rgba(26, 50, 71, 0.6);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .result-row {
  display: grid;
  grid-template-columns: minmax(0, 30%) minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(44, 74, 102, 0.55);
  font-size: 13.5px;
  color: var(--frost);
}

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

.page-products .result-row .mono {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .result-row .mono:last-child {
  color: var(--cyan);
}

/* ---------- 03 主客场 ---------- */
.page-products .metric-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-products .metric-item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(44, 74, 102, 0.7);
}

.page-products .metric-name {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .metric-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

.page-products .readout-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.page-products .legend-dot {
  display: inline-block;
  width: 16px;
  height: 4px;
  background: var(--cyan);
}

.page-products .legend-dot--away {
  background: var(--teal);
}

.page-products .legend-tip {
  margin-left: auto;
  color: var(--dim);
  letter-spacing: 0.04em;
}

.page-products .readout {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--grid);
}

.page-products .readout-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 54px;
  gap: 12px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid rgba(44, 74, 102, 0.5);
}

.page-products .readout-tag {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.page-products .readout-bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .readout .meter {
  display: block;
  height: 6px;
  background: rgba(44, 74, 102, 0.6);
  overflow: hidden;
}

.page-products .readout .meter-fill {
  display: block;
  height: 100%;
  background: var(--cyan);
}

.page-products .readout .meter--away .meter-fill {
  background: var(--teal);
}

.page-products .readout-val {
  text-align: right;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* ---------- 04 通道与版本 ---------- */
.page-products .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .channel-body {
  min-width: 0;
}

.page-products .channel-points {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-products .channel-points li {
  position: relative;
  padding: 8px 0 8px 18px;
  border-bottom: 1px solid rgba(44, 74, 102, 0.5);
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

.page-products .channel-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--amber);
}

.page-products .channel-note {
  margin: 0 0 10px;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  background: rgba(26, 50, 71, 0.44);
  font-size: 14px;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .channel-links,
.page-products .fav-tail {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--dim);
}

.page-products a {
  color: var(--cyan);
}

.page-products .tool-section a,
.page-products .tool-island a {
  text-decoration-color: rgba(25, 211, 230, 0.5);
  text-underline-offset: 3px;
}

/* ---------- 05 收藏 ---------- */
.page-products .fav-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .fav-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--grid);
  background: rgba(26, 50, 71, 0.4);
}

.page-products .fav-index {
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .fav-item h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--frost);
}

.page-products .fav-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 收尾 ---------- */
.page-products .tool-outro {
  padding: clamp(18px, 3.2vw, 32px);
  border: 1px solid rgba(245, 169, 63, 0.55);
  background: linear-gradient(150deg, rgba(245, 169, 63, 0.1), rgba(8, 20, 34, 0.9) 58%);
}

.page-products .outro-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 26px);
  color: var(--frost);
}

.page-products .outro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .outro-card {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--grid);
  background: rgba(14, 33, 53, 0.82);
  text-decoration: none;
  color: var(--dim);
  transition: border-color 140ms var(--ease), transform 140ms var(--ease);
}

.page-products .outro-card:hover,
.page-products .outro-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .outro-key {
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-products .outro-card strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--frost);
}

.page-products .outro-card span:last-child {
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 右侧通道岛 ---------- */
.page-products .tool-island {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-products .island-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px 20px;
  border: 1px solid var(--amber);
  background: linear-gradient(158deg, rgba(11, 110, 122, 0.42), rgba(8, 20, 34, 0.96) 68%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-products .island-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  z-index: 0;
}

.page-products .island-card > *:not(.island-bg) {
  position: relative;
  z-index: 1;
}

.page-products .island-title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  color: var(--frost);
}

.page-products .island-text {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .island-cta {
  display: inline-block;
  margin-bottom: 18px;
  animation: productsIslandPulse 3.2s ease-in-out infinite;
}

.page-products .island-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid rgba(245, 169, 63, 0.4);
}

.page-products .island-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--dim);
}

.page-products .island-list .mono {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-products .island-note {
  margin: 0;
  padding: 0 2px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--dim);
}

@keyframes productsIslandPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.62; }
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .tools-hero-inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

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

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

  .page-products .cap-card:nth-child(even) {
    margin-top: 18px;
  }

  .page-products .metric-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 26px;
  }

  .page-products .search-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 1024px) {
  .page-products .tools-hero {
    padding: 44px 0 56px;
  }

  .page-products .tool-layout {
    grid-template-columns: var(--tool-rail-w) minmax(0, 1fr) var(--tool-island-w);
    gap: 34px;
    padding-top: 48px;
  }

  .page-products .tool-rail {
    position: sticky;
    top: 96px;
    overflow: visible;
    padding-bottom: 0;
    padding-left: 4px;
  }

  .page-products .tool-rail::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 10px;
    bottom: 10px;
    width: 1px;
    background: linear-gradient(180deg, var(--cyan), rgba(44, 74, 102, 0.4) 70%, transparent);
  }

  .page-products .tool-rail ol {
    flex-direction: column;
    gap: 22px;
  }

  .page-products .toc-link {
    border: 0;
    background: transparent;
    padding: 0 0 0 26px;
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    white-space: normal;
  }

  .page-products .toc-link::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 6px;
    width: 9px;
    height: 9px;
    background: var(--ink);
    border: 1px solid var(--grid);
  }

  .page-products .toc-link.is-active::before {
    background: var(--amber);
    border-color: var(--amber);
  }

  .page-products .toc-link {
    position: relative;
  }

  .page-products .toc-link.is-active {
    background: transparent;
    border-color: transparent;
  }

  .page-products .rail-name {
    font-size: 12px;
    line-height: 1.45;
  }

  .page-products .tool-main {
    gap: 64px;
  }

  .page-products .tool-island {
    position: sticky;
    top: 96px;
  }

  .page-products .channel-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 30px;
  }

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

  .page-products .outro-card:nth-child(2) {
    transform: translateY(14px);
  }

  .page-products .outro-card:nth-child(4) {
    transform: translateY(14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .island-cta {
    animation: none;
  }

  .page-products .outro-card:hover,
  .page-products .outro-card:focus-visible {
    transform: none;
  }

  .page-products .outro-card:nth-child(2),
  .page-products .outro-card:nth-child(4) {
    transform: none;
  }
}
<<<END>>>