.page-products {
  --prod-body-secondary: #4a5a70;
  --prod-card-bg: #ffffff;
}

/* ==================== HERO ==================== */
.page-products .prod-hero {
  position: relative;
  padding: calc(var(--header-height) + 56px) 0 64px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.92) 0%, transparent 30%),
    radial-gradient(circle at 72% 28%, var(--color-blue) 0%, var(--color-navy) 76%);
  color: var(--color-white);
  overflow: hidden;
}

.page-products .prod-hero .field-grid {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
}

.page-products .prod-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-products .prod-hero-copy {
  max-width: 560px;
}

.page-products .prod-hero-kicker {
  font-family: var(--font-data);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  color: var(--color-orange);
  text-transform: uppercase;
}

.page-products .prod-hero h1 {
  margin: 14px 0 0;
  font-size: var(--fs-hero);
  line-height: 1.12;
  font-weight: 900;
}

.page-products .prod-hero-lead {
  margin: 20px 0 0;
  color: var(--color-silver);
  font-size: var(--fs-body-lg);
  line-height: 1.8;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.page-products .prod-hero-img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-2);
  clip-path: polygon(0 0, 100% 3%, 100% 97%, 0 100%);
}

/* ==================== 01 核心功能 ==================== */
.page-products .prod-section-header {
  margin-bottom: 32px;
}

.page-products .prod-core-note {
  max-width: 760px;
  margin: 0 0 40px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--prod-body-secondary);
}

.page-products .prod-core-note a {
  color: var(--color-orange);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* —— 技能树 —— */
.page-products .prod-tree {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .prod-tree-svg {
  display: none;
}

.page-products .prod-node {
  position: relative;
  background: var(--prod-card-bg);
  border: 1px solid var(--color-line-light);
  border-left: 3px solid var(--color-orange);
  padding: 28px 24px;
  box-shadow: var(--shadow-1);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.page-products .prod-node:hover,
.page-products .prod-node:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-left-color: var(--color-orange);
}

.page-products .prod-node-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.page-products .prod-node-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-data);
  font-size: var(--fs-subtitle);
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-products .prod-node-kicker {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  color: var(--color-orange);
}

.page-products .prod-node h3 {
  margin: 2px 0 0;
  font-size: var(--fs-subtitle);
  font-weight: 900;
  color: var(--color-navy);
}

.page-products .prod-node-desc {
  margin: 0 0 18px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--prod-body-secondary);
}

.page-products .prod-node-scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .prod-node-scene {
  display: flex;
  gap: 12px;
  padding: 4px 0;
}

.page-products .prod-node-scene + .prod-node-scene {
  margin-top: 10px;
  border-top: 1px solid var(--color-line-light);
  padding-top: 14px;
}

.page-products .prod-scene-code {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-orange);
  border: 1px solid var(--color-orange);
  padding: 2px 7px;
  line-height: 1.4;
  align-self: flex-start;
}

.page-products .prod-node-scene h4 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-dark);
}

.page-products .prod-node-scene p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--prod-body-secondary);
}

.page-products .prod-node-next {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-data);
  font-size: var(--fs-small);
  text-decoration: none;
  color: var(--color-white);
  background: var(--color-blue);
  padding: 9px 14px;
  border-left: 3px solid var(--color-orange);
  transition: background var(--transition-fast);
}

.page-products .prod-node-next:hover,
.page-products .prod-node-next:focus-visible {
  background: var(--color-navy);
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

/* —— 功能示意图 —— */
.page-products .prod-core-figure {
  margin: 48px 0 0;
  padding: 0;
}

.page-products .prod-core-img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-line-light);
}

.page-products .prod-core-figure figcaption,
.page-products .prod-scenes-figure figcaption {
  margin-top: 10px;
  font-size: var(--fs-small);
  color: var(--prod-body-secondary);
}

/* ==================== 02 数据刷新机制 ==================== */
.page-products .prod-refresh-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0));
  border: 1px solid var(--color-line);
  padding: 20px;
  margin-bottom: 40px;
}

.page-products .prod-refresh-board-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 14px;
  margin-bottom: 8px;
}

.page-products .prod-refresh-board-head h3 {
  margin: 0;
  font-size: var(--fs-body-lg);
  color: var(--color-white);
}

.page-products .prod-refresh-board-head p {
  margin: 2px 0 0;
  font-size: var(--fs-small);
  color: var(--color-silver);
}

.page-products .prod-refresh-board-head h3 + p {
  margin: 0;
}

.page-products .prod-refresh-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  align-content: start;
}

.page-products .prod-refresh-metric {
  border-top: 3px solid var(--color-orange);
  padding-top: 18px;
}

.page-products .prod-refresh-metric-value {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-white);
}

.page-products .prod-refresh-metric-label {
  display: block;
  margin-top: 8px;
  color: var(--color-silver);
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
}

.page-products .prod-refresh-figure {
  margin: 0;
}

.page-products .prod-refresh-img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-line);
}

.page-products .prod-refresh-figure figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: var(--fs-small);
  color: var(--color-silver);
}

.page-products .prod-refresh-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .prod-refresh-step {
  display: flex;
  gap: 20px;
  border: 1px solid var(--color-line);
  padding: 20px;
  transition: background var(--transition-base);
}

.page-products .prod-refresh-step:hover {
  background: rgba(255, 255, 255, 0.03);
}

.page-products .prod-refresh-step-index {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-data);
  color: var(--color-orange);
  border: 1px solid var(--color-orange);
  padding: 4px 8px;
  line-height: 1.3;
  align-self: flex-start;
}

.page-products .prod-refresh-step h3 {
  margin: 0 0 6px;
  font-size: var(--fs-body-lg);
  color: var(--color-white);
}

.page-products .prod-refresh-step p {
  margin: 0;
  color: var(--color-silver);
  font-size: var(--fs-body);
  line-height: 1.75;
}

/* ==================== 03 界面优化指南 ==================== */
.page-products .prod-guide {
  background: var(--color-cream);
  color: var(--color-dark);
}

.page-products .prod-compare {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-line-light);
  padding: 18px;
  margin-top: 32px;
  box-shadow: var(--shadow-1);
}

.page-products .prod-compare-bar {
  position: relative;
  display: flex;
  margin-bottom: 18px;
}

.page-products .prod-compare-tab {
  flex: 1;
  text-align: center;
  padding: 12px 12px 16px;
  border: 1px solid var(--color-line);
  cursor: pointer;
  font-weight: 800;
  font-size: var(--fs-body);
  color: var(--color-dark);
  background: var(--color-white);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.page-products .prod-compare-tab + .prod-compare-tab {
  border-left: 0;
}

.page-products .prod-compare-slider {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: var(--color-line);
}

.page-products .prod-compare-slider-thumb {
  position: absolute;
  top: 50%;
  left: 0;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-orange);
  background: var(--color-white);
  transform: translateY(-50%);
  transition: left var(--transition-base);
}

.page-products .prod-compare-input:checked ~ .prod-compare-bar .prod-compare-tab-old {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.page-products .prod-compare-input#ver-new:checked ~ .prod-compare-bar .prod-compare-tab-new {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.page-products .prod-compare-input#ver-new:checked ~ .prod-compare-bar .prod-compare-slider-thumb {
  left: calc(100% - 20px);
}

.page-products .prod-compare-visual {
  position: relative;
  min-height: 220px;
}

.page-products .prod-compare-layer {
  position: absolute;
  inset: 0;
}

.page-products .prod-compare-layer-old {
  display: block;
}

.page-products .prod-compare-layer-new {
  display: none;
}

.page-products .prod-compare-input#ver-new:checked ~ .prod-compare-visual .prod-compare-layer-old {
  display: none;
}

.page-products .prod-compare-input#ver-new:checked ~ .prod-compare-visual .prod-compare-layer-new {
  display: block;
}

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

.page-products .prod-anno {
  position: absolute;
  display: inline-block;
  max-width: 180px;
  padding: 8px 10px;
  background: rgba(11, 31, 59, 0.9);
  color: var(--color-white);
  font-size: var(--fs-small);
  line-height: 1.5;
  border-left: 3px solid var(--color-orange);
  box-shadow: var(--shadow-1);
}

.page-products .prod-anno-old-a {
  top: 12%;
  right: 5%;
}

.page-products .prod-anno-old-b {
  bottom: 14%;
  left: 5%;
}

.page-products .prod-anno-new-a {
  top: 12%;
  left: 5%;
  border-left-color: var(--color-green);
}

.page-products .prod-anno-new-b {
  bottom: 14%;
  right: 5%;
  border-left-color: var(--color-green);
}

.page-products .prod-compare-hint {
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: var(--fs-small);
  color: var(--prod-body-secondary);
}

.page-products .prod-compare + .prod-guide-cards {
  margin-top: 32px;
}

.page-products .prod-guide-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .prod-guide-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-line-light);
  padding: 24px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.page-products .prod-guide-card:hover,
.page-products .prod-guide-card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}

.page-products .prod-guide-card-num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--color-orange);
  border: 1px solid var(--color-orange);
  padding: 2px 7px;
}

.page-products .prod-guide-card h3 {
  margin: 16px 0 8px;
  font-size: var(--fs-body-lg);
  font-weight: 900;
  color: var(--color-dark);
}

.page-products .prod-guide-card p {
  margin: 0;
  line-height: 1.75;
  color: var(--prod-body-secondary);
}

.page-products .prod-guide-card .btn {
  margin-top: 18px;
}

/* ==================== 04 场景化用法 ==================== */
.page-products .prod-scenes {
  background: var(--color-white);
}

.page-products .prod-scenes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .prod-role-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-line-light);
  border-top: 3px solid var(--color-blue);
  background: var(--color-white);
  padding: 28px 24px;
  box-shadow: var(--shadow-1);
  transition: box-shadow var(--transition-base), border-top-color var(--transition-base);
}

.page-products .prod-role-card:hover,
.page-products .prod-role-card:focus-within {
  box-shadow: var(--shadow-2);
  border-top-color: var(--color-orange);
}

.page-products .prod-role-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  background: var(--color-navy);
  color: var(--color-orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-products .prod-role-icon svg {
  width: 30px;
  height: 30px;
}

.page-products .prod-role-card h3 {
  margin: 0 0 10px;
  font-size: var(--fs-body-lg);
  font-weight: 900;
  color: var(--color-navy);
}

.page-products .prod-role-card > p {
  margin: 0 0 18px;
  line-height: 1.75;
  color: var(--prod-body-secondary);
}

.page-products .prod-role-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .prod-role-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-products .prod-scenes-figure {
  margin: 48px 0 0;
}

.page-products .prod-scenes-figure-img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-line-light);
}

/* ==================== Outro ==================== */
.page-products .prod-outro {
  background: var(--color-navy);
  color: var(--color-white);
}

.page-products .prod-outro p {
  color: var(--color-silver);
  font-size: var(--fs-body-lg);
  line-height: 1.8;
}

.page-products .prod-outro .text-container h2 {
  font-size: var(--fs-title);
  margin-bottom: 18px;
}

.page-products .prod-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

/* ==================== 桌面端 ==================== */
@media (min-width: 720px) {
  .page-products .prod-refresh-metrics {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero-inner {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .prod-hero-img {
    min-height: 320px;
    object-fit: cover;
  }

  .page-products .prod-tree {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-products .prod-tree-svg {
    display: block;
    grid-column: 1 / -1;
    width: 100%;
    height: 96px;
    margin-bottom: -24px;
  }

  .page-products .prod-tree-line,
  .page-products .prod-tree-vert {
    fill: none;
    stroke: var(--color-orange);
    stroke-width: 2;
    stroke-dasharray: 4 6;
  }

  .page-products .prod-tree-dot {
    fill: var(--color-navy);
    stroke: var(--color-orange);
    stroke-width: 3;
  }

  .page-products .prod-node-scene-list {
    display: block;
  }

  .page-products .prod-node-scene + .prod-node-scene {
    margin-top: 14px;
  }

  .page-products .prod-refresh-board {
    grid-template-columns: 1fr 1.5fr;
  }

  .page-products .prod-refresh-figure {
    min-height: 0;
  }

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

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

  .page-products .prod-compare {
    padding: 24px;
  }

  .page-products .prod-compare-tab {
    padding: 12px 12px 18px;
  }

  .page-products .prod-compare-visual {
    min-height: 360px;
  }

  .page-products .prod-anno {
    max-width: 240px;
  }

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

  .page-products .prod-scenes-figure {
    max-width: 800px;
  }
}