.page-products {
  --card-gap: 26px;
  --rail-radius: 2px;
}

/* ============ 页头 ============ */
.page-products .products-top {
  padding-top: clamp(26px, 4.5vw, 54px);
  padding-bottom: clamp(26px, 4vw, 46px);
}

.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-size: 13px;
  color: var(--gray-400);
}
.page-products .crumbs a {
  color: var(--gray-400);
  text-decoration: none;
}
.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--fox-light);
}
.page-products .crumbs [aria-current="page"] {
  color: var(--cream-100);
}
.page-products .crumb-sep {
  color: var(--gray-600);
}

.page-products .products-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
}
@media (min-width: 900px) {
  .page-products .products-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-products .products-head-main h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 54px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--cream-100);
  max-width: 16em;
}

.page-products .products-lede {
  margin: 0 0 24px;
  max-width: 40em;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: var(--gray-400);
}

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

/* 目录 */
.page-products .products-index {
  padding: 18px 20px 20px;
  background: var(--char-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--rail-radius);
  box-shadow: var(--shadow-panel);
}
.page-products .index-label {
  margin: 0 0 12px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--fox-light);
}
.page-products .products-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}
.page-products .products-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--cream-200);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .products-index a:hover,
.page-products .products-index a:focus-visible {
  color: var(--cream-100);
  border-left-color: var(--fox);
  background: rgba(242, 97, 12, 0.1);
}
.page-products .products-index a .mono {
  font-size: 11px;
  color: var(--gray-600);
}

/* ============ 画布与栅格 ============ */
.page-products .tool-canvas {
  padding: clamp(26px, 4vw, 54px) 0 clamp(40px, 6vw, 84px);
  border-top: 1px solid var(--line-dark);
  background:
    linear-gradient(180deg, rgba(242, 97, 12, 0.08), rgba(20, 16, 14, 0) 320px),
    var(--char-900);
}

.page-products .tool-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
}
@media (min-width: 1024px) {
  .page-products .tool-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: clamp(26px, 3vw, 46px);
    align-items: start;
  }
  .page-products .tool-rail {
    position: sticky;
    top: calc(var(--header-h-min) + 26px);
  }
}

/* ============ 侧栏 ============ */
.page-products .tool-rail {
  display: grid;
  align-content: start;
  gap: 20px;
  padding: 20px;
  background: var(--char-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--rail-radius);
}

.page-products .rail-block + .rail-block {
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.page-products .rail-label {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--fox-light);
}

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

.page-products .rail-step {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 20px;
}
.page-products .rail-step::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 36px;
  bottom: 2px;
  width: 2px;
  background: var(--line-dark);
}
.page-products .rail-step:last-child {
  padding-bottom: 0;
}
.page-products .rail-step:last-child::before {
  display: none;
}
.page-products .rail-step.is-done::before {
  background: var(--fox);
}

.page-products .rail-num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-size: 13px;
  color: var(--gray-400);
  background: var(--char-900);
  border: 1px solid var(--line-dark);
}
.page-products .rail-step.is-done .rail-num {
  color: #1A0E06;
  font-weight: 700;
  background: var(--fox);
  border-color: var(--fox);
}

.page-products .rail-title {
  margin: 6px 0 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cream-100);
}
.page-products .rail-desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--gray-600);
}

.page-products .light-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 11px;
  font-size: 13px;
  color: var(--cream-200);
}
.page-products .light-row:last-child {
  margin-bottom: 0;
}

/* 状态灯 */
.page-products .light {
  width: 11px;
  height: 11px;
  flex: none;
  border-radius: 50%;
}
.page-products .light--cyan {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(75, 224, 210, 0.18);
  animation: pg-breathe 2.8s ease-in-out infinite;
}
.page-products .light--amber {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 194, 75, 0.16);
}
.page-products .light--off {
  background: var(--gray-600);
  box-shadow: 0 0 0 3px rgba(107, 107, 114, 0.16);
}
@keyframes pg-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
@media (prefers-reduced-motion: reduce) {
  .page-products .light--cyan { animation: none; }
}

/* ============ 卡片堆叠 ============ */
.page-products .tool-stack {
  display: grid;
  gap: var(--card-gap);
  min-width: 0;
}

.page-products .tool-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 34px);
  background: var(--cream-100);
  color: var(--ink);
  border: 1px solid var(--line-light);
  border-radius: var(--rail-radius);
  box-shadow: 0 24px 46px -36px rgba(0, 0, 0, 0.95);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--fox);
}
@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .tool-card:hover {
    transform: none;
    transition: none;
  }
}

.page-products .tool-card--dark {
  background: var(--char-800);
  color: var(--cream-100);
  border-color: var(--line-dark);
}
.page-products .tool-card--alt {
  background: var(--cream-200);
}

@media (min-width: 1024px) {
  .page-products .tool-card--shift {
    margin-right: clamp(0px, 6vw, 76px);
  }
  .page-products .tool-card--indent {
    margin-left: clamp(0px, 5vw, 62px);
  }
}

.page-products .tool-card h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.1vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.008em;
}
.page-products .tool-card p {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.82;
}
.page-products .tool-card--dark p {
  color: rgba(246, 239, 227, 0.82);
}
.page-products .tool-card p:last-child {
  margin-bottom: 0;
}

/* 标签 */
.page-products .panel-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: #1A0E06;
  background: var(--fox);
}
.page-products .panel-tag--dark {
  color: var(--fox-light);
  background: transparent;
  border: 1px solid var(--fox);
}

/* 锚点定位 */
.page-products article[id] {
  scroll-margin-top: calc(var(--header-h-min) + 24px);
}

/* ============ 列表与图文 ============ */
.page-products .dot-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-products .dot-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-products .dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 2px;
  background: var(--fox);
}
.page-products .tool-card--dark .dot-list li {
  color: rgba(246, 239, 227, 0.8);
}

.page-products .card-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 720px) {
  .page-products .card-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 226px);
    gap: 30px;
    align-items: start;
  }
}
.page-products .card-split-media {
  margin: 0;
}
.page-products .card-split-text p {
  max-width: 34em;
}

.page-products .media-frame {
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: var(--rail-radius);
  background: var(--char-900);
}
.page-products .tool-card--dark .media-frame {
  border-color: var(--line-dark);
}
.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .media-tall {
  aspect-ratio: 9 / 14;
}
.page-products .media-tall img {
  height: 100%;
}
.page-products .ratio-wide img {
  aspect-ratio: 7 / 4.5;
}
.page-products .ratio-square img {
  aspect-ratio: 1 / 1;
}

.page-products .media-block {
  margin: 0 0 8px;
}
.page-products .media-block--square {
  max-width: 420px;
}
.page-products .media-caption {
  margin: 9px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--gray-600);
}
.page-products .tool-card--dark .media-caption {
  color: var(--gray-400);
}

/* ============ 规格数据 ============ */
.page-products .spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 6px 0 20px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.page-products .spec {
  padding: 16px 18px;
  background: var(--char-800);
}
.page-products .spec-num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--fox-light);
}
.page-products .spec-label {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--gray-400);
}

/* ============ 读法定义列表 ============ */
.page-products .read-list {
  margin: 0 0 24px;
  border-top: 1px solid var(--line-light);
}
.page-products .read-list > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
}
@media (min-width: 640px) {
  .page-products .read-list > div {
    grid-template-columns: minmax(0, 152px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}
.page-products .read-list dt {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ember);
}
.page-products .read-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ============ 排名面板 ============ */
.page-products .sort-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}
.page-products .tab {
  padding: 8px 15px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gray-400);
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: var(--rail-radius);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .tab:hover {
  color: var(--cream-100);
  border-color: var(--fox-light);
}
.page-products .tab[aria-selected="true"] {
  color: #1A0E06;
  background: var(--fox);
  border-color: var(--fox);
}
.page-products .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .sort-note {
  margin: 0 0 20px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray-400);
}

.page-products .table-scroll {
  overflow-x: auto;
  margin-bottom: 22px;
}
.page-products .rank-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13.5px;
}
.page-products .rank-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--gray-400);
}
.page-products .rank-table th,
.page-products .rank-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-dark);
  color: rgba(246, 239, 227, 0.86);
}
.page-products .rank-table thead th {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--fox-light);
}
.page-products .rank-table tbody th {
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
  color: var(--cream-100);
}
.page-products .rank-table tbody tr:nth-child(even) td,
.page-products .rank-table tbody tr:nth-child(even) th {
  background: rgba(246, 239, 227, 0.035);
}

/* ============ 状态灯图例 ============ */
.page-products .light-legend {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-products .light-legend-item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-light);
}
.page-products .light-legend-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-products .light-legend-item .light {
  margin-top: 5px;
}
.page-products .legend-title {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.page-products .legend-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-soft);
  max-width: 46em;
}

/* ============ 折叠管理项 ============ */
.page-products .fold {
  border-top: 1px solid var(--line-light);
}
.page-products .fold:last-of-type {
  border-bottom: 1px solid var(--line-light);
}
.page-products .fold-head {
  display: block;
  width: 100%;
  padding: 15px 26px 15px 0;
  position: relative;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
}
.page-products .fold-head::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--fox);
}
.page-products .fold-head[aria-expanded="true"]::after {
  content: "–";
}
.page-products .fold-head:focus-visible {
  outline: 2px solid var(--fox);
  outline-offset: 2px;
}
.page-products .fold-body {
  padding: 0 0 16px;
}
.page-products .fold-body p {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.82;
  color: var(--ink-soft);
}

/* ============ 使用场景 ============ */
.page-products .scene-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}
.page-products .scene-list li {
  padding: 18px 0 18px 18px;
  border-bottom: 1px solid var(--line-dark);
  border-left: 3px solid var(--fox);
}
.page-products .scene-list li:first-child {
  padding-top: 6px;
}
.page-products .scene-time {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
}
.page-products .scene-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--cream-100);
}
.page-products .scene-desc {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 239, 227, 0.78);
}
.page-products .scene-close {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 239, 227, 0.82);
}

/* ============ 设备支持 ============ */
.page-products .device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin: 6px 0 22px;
}
@media (min-width: 720px) {
  .page-products .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }
}
.page-products .device-col {
  padding: 18px 20px;
  background: var(--cream-200);
  border: 1px solid var(--line-light);
  border-radius: var(--rail-radius);
}
.page-products .device-head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ember);
}
.page-products .device-close {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ============ 正文内链 ============ */
.page-products .tool-card a:not(.btn) {
  color: var(--fox);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 97, 12, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .tool-card--dark a:not(.btn) {
  color: var(--fox-light);
  border-bottom-color: rgba(255, 138, 61, 0.45);
}
.page-products .tool-card a:not(.btn):hover,
.page-products .tool-card a:not(.btn):focus-visible {
  color: var(--ember);
  border-bottom-color: var(--ember);
}
.page-products .tool-card--dark a:not(.btn):hover,
.page-products .tool-card--dark a:not(.btn):focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}