.page-products {
  position: relative;
  background:
    radial-gradient(ellipse at 85% 10%, rgba(57, 255, 20, 0.06) 0%, transparent 42%),
    radial-gradient(ellipse at 8% 42%, rgba(255, 107, 0, 0.05) 0%, transparent 36%),
    var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

.page-products .products-wrap {
  padding-top: var(--space-5);
  padding-bottom: var(--space-9);
}

/* 面包屑 */
.page-products .products-breadcrumb {
  margin-bottom: var(--space-7);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.page-products .products-breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-products .products-breadcrumb a:hover {
  color: var(--color-accent);
}

/* Hero */
.page-products .products-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding: var(--space-5) 0 var(--space-8);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-7);
}

.page-products .hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-5);
}

.page-products .hero-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-items: center;
  width: 100%;
}

.page-products .hero-version {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-muted);
  border: 1px solid var(--color-line);
  padding: var(--space-1) var(--space-3);
}

.page-products .state-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.7);
  animation: products-pulse 1.8s ease-in-out infinite;
}

@keyframes products-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.page-products h1#hero-title {
  font-family: var(--font-display-cn);
  font-weight: 200;
  font-size: var(--text-hero);
  line-height: 1.06;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--color-text);
}

.page-products .hero-accent {
  display: block;
  color: var(--color-accent);
  font-weight: 300;
}

.page-products .hero-lead {
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 34em;
  margin: 0;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* Hero 控制台 */
.page-products .hero-console {
  background: linear-gradient(145deg, var(--color-card-raised) 0%, var(--color-card) 58%, var(--color-bg-deep) 100%);
  border: 1px solid var(--color-line);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
}

.page-products .hero-console::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
}

.page-products .console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-5);
}

.page-products .console-title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-text);
}

.page-products .console-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.page-products .console-meter {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: var(--space-3) 0 var(--space-5);
}

.page-products .meter-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.page-products .meter-value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-4xl);
  color: var(--color-text);
  line-height: 1;
}

.page-products .meter-unit {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.08em;
}

.page-products .meter-label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: var(--space-1);
}

.page-products .console-dash {
  width: 28px;
  border-top: 1px dashed var(--color-line-strong);
}

.page-products .console-divider {
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--color-line) 0 6px, transparent 6px 12px);
  margin: 0 0 var(--space-5);
}

.page-products .console-rings {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: var(--space-3);
}

.page-products .ring-gauge {
  --gauge-fill: 100%;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  position: relative;
  background: conic-gradient(var(--color-accent) 0 var(--gauge-fill), rgba(255, 255, 255, 0.06) var(--gauge-fill) 100%);
}

.page-products .ring-gauge::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--color-card);
}

.page-products .ring-gauge-accent {
  --gauge-fill: 78%;
}

.page-products .ring-gauge-orange {
  --gauge-fill: 58%;
  background: conic-gradient(var(--color-accent-secondary) 0 var(--gauge-fill), rgba(255, 255, 255, 0.06) var(--gauge-fill) 100%);
}

.page-products .ring-gauge-warning {
  --gauge-fill: 64%;
  background: conic-gradient(var(--color-warning) 0 var(--gauge-fill), rgba(255, 255, 255, 0.06) var(--gauge-fill) 100%);
}

.page-products .ring-gauge-value {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-lg);
  color: var(--color-text);
  line-height: 1;
}

.page-products .ring-gauge-label {
  position: relative;
  z-index: 1;
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* 分隔装饰带 */
.page-products .section-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-7) 0;
}

.page-products .divider-line {
  flex: 1;
  border-top: 1px dashed var(--color-line-strong);
}

.page-products .divider-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.page-products .divider-text {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-muted);
  white-space: nowrap;
  text-transform: uppercase;
}

/* 筛选区 */
.page-products .filter-section {
  scroll-margin-top: var(--space-6);
  margin-bottom: var(--space-8);
}

.page-products .filter-heading {
  margin-bottom: var(--space-6);
}

.page-products .filter-heading h2 {
  font-family: var(--font-display-cn);
  font-weight: 200;
  font-size: var(--text-3xl);
  line-height: 1.2;
  margin: 0 0 var(--space-3);
}

.page-products .filter-desc {
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  max-width: 36em;
  margin: 0;
}

.page-products .filter-controls {
  position: relative;
}

.page-products .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-7);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.page-products .filter-tab {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  user-select: none;
}

.page-products .filter-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-products .filter-input:checked ~ .filter-tabs label[for="sol-all"],
.page-products .filter-input:checked ~ .filter-tabs label[for="sol-data"],
.page-products .filter-input:checked ~ .filter-tabs label[for="sol-sub"],
.page-products .filter-input:checked ~ .filter-tabs label[for="sol-mobile"],
.page-products .filter-input:checked ~ .filter-tabs label[for="sol-fav"],
.page-products .filter-input:checked ~ .filter-tabs label[for="sol-check"] {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
  font-weight: 500;
}

/* 筛选展示逻辑 */
.page-products #sol-data:checked ~ .filter-panels .feature-card:not([data-cat="data"]),
.page-products #sol-sub:checked ~ .filter-panels .feature-card:not([data-cat="sub"]),
.page-products #sol-mobile:checked ~ .filter-panels .feature-card:not([data-cat="mobile"]),
.page-products #sol-fav:checked ~ .filter-panels .feature-card:not([data-cat="fav"]),
.page-products #sol-check:checked ~ .filter-panels .feature-card:not([data-cat="check"]) {
  display: none;
}

/* 功能卡 */
.page-products .filter-panels {
  display: grid;
  gap: var(--space-7);
}

.page-products .feature-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  background: rgba(19, 38, 77, 0.5);
  border: 1px solid var(--color-line);
  padding: var(--space-5);
  scroll-margin-top: var(--space-6);
  position: relative;
}

.page-products .feature-card::after {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  bottom: -1px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--color-line-strong) 0 8px, transparent 8px 16px);
  opacity: 0.5;
}

/* 参数侧 */
.page-products .feature-params {
  background: var(--color-card);
  border-top: 3px solid var(--color-accent);
  padding: var(--space-5);
  align-self: start;
  min-width: 0;
}

.page-products .feature-card:nth-child(2) .feature-params {
  border-top-color: var(--color-accent-secondary);
}

.page-products .feature-card:nth-child(3) .feature-params {
  border-top-color: var(--color-warning);
}

.page-products .feature-card:nth-child(4) .feature-params {
  border-top-color: var(--color-success);
}

.page-products .feature-card:nth-child(5) .feature-params {
  border-top-color: var(--color-accent-secondary);
}

.page-products .feature-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.page-products .param-title {
  font-size: var(--text-xl);
  font-weight: 500;
  margin: 0 0 var(--space-4);
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.page-products .param-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-products .param-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: var(--space-2) 0;
  border-top: 1px solid var(--color-line);
}

.page-products .param-row dt {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.page-products .param-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.4;
}

/* 解释侧 */
.page-products .feature-explain {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-products .explain-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.page-products .explain-title {
  font-family: var(--font-display-cn);
  font-weight: 300;
  font-size: var(--text-2xl);
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
}

.page-products .explain-copy {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-muted);
  margin: 0;
}

.page-products .explain-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-products .point-block {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: rgba(10, 31, 68, 0.5);
  border-left: 2px solid var(--color-accent);
}

.page-products .point-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.page-products .point-text {
  font-size: var(--text-sm);
  color: var(--color-text);
}

/* 展开字段 */
.page-products .field-details {
  border: 1px solid var(--color-line);
  background: rgba(10, 31, 68, 0.45);
}

.page-products .field-details summary {
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  list-style: none;
  position: relative;
  padding-right: var(--space-6);
}

.page-products .field-details summary::-webkit-details-marker {
  display: none;
}

.page-products .field-details summary::after {
  content: "+";
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.page-products .field-details[open] summary::after {
  content: "–";
}

.page-products .field-list {
  margin: 0;
  padding: 0 var(--space-4) var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

/* 时间线 */
.page-products .timeline-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  overflow-x: auto;
}

.page-products .check-point {
  flex: 0 0 auto;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-muted);
  border: 1px solid var(--color-line);
  padding: var(--space-2) var(--space-3);
  white-space: nowrap;
}

.page-products .check-point.check-active {
  color: var(--color-bg);
  background: var(--color-warning);
  border-color: var(--color-warning);
  font-weight: 500;
}

.page-products .check-line {
  flex: 1;
  min-width: 20px;
  border-top: 1px dashed var(--color-line-strong);
}

/* 图片 */
.page-products .feature-img {
  border: 1px solid var(--color-line);
  padding: var(--space-2);
  background: var(--color-bg-deep);
  margin-top: var(--space-2);
}

.page-products .feature-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.page-products .feature-img-vertical {
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

/* 相关链接 */
.page-products .related-links {
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-7);
}

.page-products .related-heading {
  margin-bottom: var(--space-6);
}

.page-products .related-heading h2 {
  font-family: var(--font-display-cn);
  font-weight: 200;
  font-size: var(--text-3xl);
  margin: var(--space-3) 0 0;
}

.page-products .related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-products .related-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-products .related-card:hover {
  border-color: var(--color-accent);
  background: rgba(57, 255, 20, 0.04);
  transform: translateX(4px);
}

.page-products .related-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.page-products .related-name {
  font-size: var(--text-lg);
  font-weight: 500;
}

.page-products .related-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* ===== 移动端优先增强 ===== */
@media (min-width: 768px) {
  .page-products .products-hero {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: var(--space-6);
  }

  .page-products .hero-copy {
    padding-right: var(--space-5);
  }

  .page-products h1#hero-title {
    font-size: clamp(2.8rem, 5.2vw, 4.2rem);
  }

  .page-products .feature-card {
    grid-template-columns: minmax(190px, 30%) 1fr;
    gap: var(--space-6);
    padding: var(--space-6);
  }

  .page-products .feature-params {
    position: sticky;
    top: var(--space-6);
  }

  .page-products .explain-points {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .feature-img-vertical {
    max-width: 320px;
  }

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

  .page-products .console-rings {
    gap: var(--space-4);
  }
}

@media (min-width: 1024px) {
  .page-products .products-hero {
    gap: var(--space-8);
  }

  .page-products .hero-console {
    padding: var(--space-6);
  }

  .page-products .filter-tabs {
    gap: var(--space-3);
  }

  .page-products .filter-tab {
    padding: var(--space-2) var(--space-5);
  }

  .page-products .filter-panels {
    gap: var(--space-8);
  }

  .page-products .feature-card {
    gap: var(--space-8);
    padding: var(--space-7);
  }

  .page-products .feature-card:nth-child(even) {
    margin-left: 3%;
  }

  .page-products .feature-card:nth-child(odd) {
    margin-right: 3%;
  }

  .page-products .related-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-products .feature-img {
    margin-top: var(--space-3);
  }
}