/* ============ 解决方案页 /solutions/ ============ */
.page-products {
  --prod-rail: 320px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-sm);
  position: relative;
  overflow-x: clip;
}

/* --- 首屏 --- */
.page-products .prod-hero {
  position: relative;
  padding: var(--space-lg) 0 var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  width: 42%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-live));
  transform: skewX(-28deg);
}

.page-products .prod-breadcrumb {
  font-family: var(--font-number);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-sm);
}

.page-products .prod-breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.page-products .prod-breadcrumb-sep {
  margin: 0 0.5em;
  color: var(--color-border);
}

.page-products .prod-hero-kicker {
  display: block;
  font-family: var(--font-number);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-size: 0.72rem;
  margin-bottom: var(--space-xs);
}

.page-products .prod-hero h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  max-width: 11em;
}

.page-products .prod-hero-lead {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-dim);
  max-width: 34em;
  margin: 0 0 var(--space-sm);
}

.page-products .prod-hero-note {
  display: block;
  font-size: 0.88rem;
  color: var(--color-text);
  background: var(--color-bg-panel);
  border-left: 3px solid var(--color-live);
  padding: var(--space-xs) var(--space-sm);
  max-width: 30em;
}

.page-products .prod-hero-side {
  display: none;
}

.page-products .prod-hero-tag {
  display: none;
}

/* --- 通用 section 头 --- */
.page-products .section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.page-products .section-index {
  font-family: var(--font-number);
  color: var(--color-accent);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
}

.page-products .section-title {
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0;
}

.page-products .section-desc {
  color: var(--color-text-dim);
  font-size: 0.92rem;
  max-width: 32em;
  margin: 0;
}

/* --- 核心功能 --- */
.page-products .prod-functions {
  margin-top: var(--space-lg);
}

.page-products .prod-func-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.page-products .prod-func-visual {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
  overflow: hidden;
  background: var(--color-bg-panel);
}

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

.page-products .prod-func-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.page-products .prod-func-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
  padding: var(--space-sm);
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.page-products .prod-func-card:hover,
.page-products .prod-func-card:focus-within {
  border-color: var(--color-accent);
  transform: translateY(-3px) rotate(0.4deg);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.page-products .prod-func-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2em;
  height: 2.2em;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-number);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: var(--space-xs);
}

.page-products .prod-func-front h3 {
  font-weight: 900;
  font-size: 1.02rem;
  color: var(--color-text);
  margin: 0 0 0.25em;
}

.page-products .prod-func-front p {
  font-size: 0.86rem;
  color: var(--color-text-dim);
  margin: 0;
}

.page-products .prod-func-back {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
}

.page-products .prod-func-back p {
  font-size: 0.84rem;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
  line-height: 1.6;
}

.page-products .prod-func-meta {
  display: block;
  font-family: var(--font-number);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--color-live);
}

.page-products .prod-func-strip {
  margin-top: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
  overflow: hidden;
}

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

/* --- 版本特点 --- */
.page-products .prod-versions {
  margin-top: var(--space-xl);
}

.page-products .prod-version-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.page-products .prod-version-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.page-products .prod-version-card {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
  background: var(--color-bg-panel);
  position: relative;
}

.page-products .prod-version-card::before {
  display: block;
  font-family: var(--font-number);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  margin-bottom: var(--space-xs);
}

.page-products .prod-version-card.old::before {
  content: "OLD";
  color: var(--color-warn);
}

.page-products .prod-version-card.new::before {
  content: "NEW";
  color: var(--color-live);
}

.page-products .prod-version-card h3 {
  font-weight: 900;
  font-size: 1.05rem;
  margin: 0 0 var(--space-xs);
}

.page-products .prod-version-card ul {
  margin: 0;
  padding-left: 1.15em;
  color: var(--color-text-dim);
  font-size: 0.87rem;
}

.page-products .prod-version-card li + li {
  margin-top: 0.35em;
}

.page-products .prod-version-visual {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
  overflow: hidden;
  background: var(--color-bg-panel);
}

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

/* --- 下载与使用 --- */
.page-products .prod-usage {
  margin-top: var(--space-xl);
}

.page-products .prod-usage-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.page-products .prod-usage-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-products .prod-step {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-left-width: 4px;
  border-left-color: var(--color-border);
  border-radius: var(--radius-cut);
  transition: border-left-color 0.22s ease, background 0.22s ease;
}

.page-products .prod-step:hover {
  border-left-color: var(--color-accent);
  background: var(--color-bg-sub);
}

.page-products .prod-step-num {
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-accent);
  line-height: 1.3;
}

.page-products .prod-step h3 {
  font-weight: 700;
  font-size: 0.98rem;
  margin: 0 0 0.2em;
}

.page-products .prod-step p {
  font-size: 0.86rem;
  color: var(--color-text-dim);
  margin: 0;
  line-height: 1.6;
}

.page-products .prod-usage-visual {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
  overflow: hidden;
  background: var(--color-bg-panel);
}

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

.page-products .prod-usage-callout {
  margin-top: var(--space-md);
  padding: var(--space-sm);
  border: 1px dashed var(--color-accent);
  border-radius: var(--radius-cut);
  color: var(--color-text);
  font-size: 0.9rem;
}

.page-products .prod-usage-callout a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .prod-usage-callout a:hover {
  color: var(--color-live);
  border-bottom-color: var(--color-live);
}

/* --- 数据服务 --- */
.page-products .prod-data {
  margin-top: var(--space-xl);
}

.page-products .prod-data-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.page-products .prod-data-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xs);
}

.page-products .prod-data-metric {
  text-align: center;
  padding: var(--space-sm) var(--space-xs);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
}

.page-products .prod-data-metric .num {
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-accent);
  display: block;
  line-height: 1.2;
}

.page-products .prod-data-metric p {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  margin: 0.3em 0 0;
  line-height: 1.4;
}

.page-products .prod-data-desc {
  padding: var(--space-sm);
  border-left: 2px solid var(--color-live);
  background: var(--color-bg-panel);
  border-radius: var(--radius-cut);
}

.page-products .prod-data-desc h3 {
  font-weight: 900;
  font-size: 1rem;
  margin: 0 0 var(--space-xs);
}

.page-products .prod-data-desc p {
  font-size: 0.87rem;
  color: var(--color-text-dim);
  margin: 0 0 var(--space-xs);
  line-height: 1.65;
}

.page-products .prod-data-desc p:last-child {
  margin-bottom: 0;
}

.page-products .prod-data-visual {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cut);
  overflow: hidden;
  background: var(--color-bg-panel);
}

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

/* --- 滚动显现（限定本页） --- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-products [data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* --- 桌面端 --- */
@media (min-width: 768px) {
  .page-products {
    padding: var(--space-lg) var(--space-md) var(--space-xl);
  }

  .page-products .prod-hero {
    padding: var(--space-xl) 0 var(--space-lg);
  }

  .page-products .prod-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    align-items: end;
    gap: var(--space-md);
  }

  .page-products .prod-hero-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-xs);
  }

  .page-products .prod-hero-tag {
    display: inline-block;
    padding: 0.2em 0.9em;
    border: 1px solid var(--color-accent);
    border-radius: 999px;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: rgba(255, 215, 0, 0.05);
  }

  .page-products .prod-func-main {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

  .page-products .prod-version-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .prod-usage-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-products .prod-data-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

/* --- 减少动效 --- */
@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-products .prod-func-card,
  .page-products .prod-func-card:hover {
    transform: none;
    transition: none;
  }
}