/* ==========================================================================
   pages/products.css — LSC Stack 自研软件栈
   ========================================================================== */

/* --------------------------------------------------------------------------
   理念
   -------------------------------------------------------------------------- */
.prd-intro__text {
  font-size: 19px;
  line-height: 1.7;
  color: var(--c-text);
}

.prd-intro__text strong {
  color: var(--c-primary);
}

.prd-intro__pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.prd-pillar {
  padding: 22px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.prd-pillar .badge {
  margin-bottom: 12px;
}

.prd-pillar__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-text);
}

.prd-pillar__text {
  margin-top: 6px;
  font-size: 14px;
  color: var(--c-text-2);
}

/* --------------------------------------------------------------------------
   架构图 & 总表
   -------------------------------------------------------------------------- */
.prd-arch .arch {
  margin-bottom: 20px;
}

.prd-arch__note {
  font-size: 14px;
  color: var(--c-text-2);
  text-align: center;
}

.prd-table .table td:first-child {
  white-space: nowrap;
}

.prd-table .table td a {
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   产品详情
   结构：.prd-item > .container > .prd-item__inner > .prd-item__main + .prd-item__side
   -------------------------------------------------------------------------- */
.prd-item__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 64px;
  align-items: start;
}

.prd-item--reverse .prd-item__main {
  order: 2;
}

.prd-item--reverse .prd-item__side {
  order: 1;
}

.prd-item__head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}

.prd-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  color: #fff;
  background: linear-gradient(135deg, var(--c-primary), #0E7490);
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.prd-item__icon .icon {
  width: 30px;
  height: 30px;
}

.prd-item__layer {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-primary);
}

.prd-item__name {
  font-family: var(--font-num);
  font-size: var(--fs-h2);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.prd-item__pos {
  margin-top: 4px;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-text-2);
}

.prd-item__summary {
  font-size: 17px;
  color: var(--c-text-2);
}

.prd-item__sub {
  margin: 28px 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-2);
}

.prd-item__main .feature-list li {
  font-size: 16px;
}

/* 右侧：适用场景 */
.prd-item__side {
  position: relative;
  padding: 32px;
  background: var(--c-dark);
  color: var(--c-text-inverse);
  border: 1px solid var(--c-border-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.prd-item__side::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 100% 0%, rgba(37, 99, 235, 0.35), transparent 60%),
    linear-gradient(rgba(230, 238, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 238, 248, 0.05) 1px, transparent 1px);
  background-size: auto, 32px 32px, 32px 32px;
  pointer-events: none;
}

.prd-item__side > * {
  position: relative;
}

.prd-item__side-title {
  margin-bottom: 20px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.prd-scene li {
  position: relative;
  padding: 14px 0 14px 28px;
  font-size: 15px;
  color: var(--c-text-inverse);
  border-top: 1px solid var(--c-border-dark);
}

.prd-scene li:last-child {
  border-bottom: 1px solid var(--c-border-dark);
}

.prd-scene li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.16);
}

.prd-scene li strong {
  display: block;
  margin-bottom: 2px;
  color: #fff;
}

.prd-item__side .link-arrow {
  margin-top: 20px;
  color: var(--c-accent);
}

@media (max-width: 992px) {
  .prd-intro__pillars { grid-template-columns: 1fr; }

  .prd-item__inner { grid-template-columns: 1fr; gap: 32px; }
  .prd-item--reverse .prd-item__main { order: 1; }
  .prd-item--reverse .prd-item__side { order: 2; }
}

@media (max-width: 768px) {
  .prd-intro__text { font-size: 17px; }

  .prd-item__icon { width: 52px; height: 52px; border-radius: 12px; }
  .prd-item__icon .icon { width: 26px; height: 26px; }
  .prd-item__summary { font-size: 16px; }
  .prd-item__side { padding: 24px 20px; }
}