/* ══════════════════════════════════════════
   products.css — 产品矩阵页专属样式
   注：.cta-section 已提取到 components.css
   ══════════════════════════════════════════ */

/* 产品主卡片 */
.product-main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.product-main-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.35s;
  position: relative;
}
.product-main-card:hover {
  border-color: var(--border-hi);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  transform: translateY(-6px);
}
.product-card-top {
  padding: 40px 36px 32px;
  position: relative; overflow: hidden;
}
.product-card-top::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
}
.product-card-top.blue::before {
  background: linear-gradient(90deg, var(--brand), var(--cyan));
}
.product-card-top.green::before {
  background: linear-gradient(90deg, var(--green), var(--cyan));
}
.product-card-bg {
  position: absolute; right: -20px; top: -20px;
  width: 180px; height: 180px; opacity: 0.04;
  font-size: 140px; line-height: 1;
  pointer-events: none;
}
.product-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 9px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; font-family: var(--font-en);
  padding: 5px 14px; margin-bottom: 20px;
}
.product-tag.new {
  background: rgba(14,165,233,0.12);
  color: var(--brand); border: 1px solid rgba(14,165,233,0.3);
}
.product-tag.stable {
  background: rgba(16,185,129,0.1);
  color: var(--green); border: 1px solid rgba(16,185,129,0.25);
}
.product-tag::before { content: '●'; font-size: 8px; }
.product-main-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700; color: var(--text-hi);
  margin-bottom: 6px; line-height: 1.2;
}
.product-main-en {
  font-family: var(--font-en);
  font-size: 12px; font-weight: 600; letter-spacing: 3px;
  color: var(--brand); margin-bottom: 16px;
  text-transform: uppercase;
}
.product-main-desc {
  font-size: 14px; color: var(--text-md); line-height: 1.8;
  max-width: 400px;
}
.product-card-bottom {
  padding: 24px 36px 32px;
  border-top: 1px solid var(--line);
}
.product-specs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-bottom: 24px;
}
.product-spec {
  display: flex; flex-direction: column; gap: 4px;
}
.product-spec-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-lo); font-family: var(--font-en);
}
.product-spec-val {
  font-size: 13px; font-weight: 600; color: var(--text-hi);
}
.product-features {
  list-style: none; display: flex; flex-direction: column; gap: 7px;
  margin-bottom: 24px;
}
.product-features li {
  font-size: 13px; color: var(--text-md); line-height: 1.6;
  display: flex; gap: 10px; align-items: flex-start;
}
.product-features li::before {
  content: '✓'; color: var(--brand); flex-shrink: 0; font-weight: 700;
}
.product-card-actions { display: flex; gap: 12px; }

/* 技术栈对比 */
.tech-compare {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--border);
  overflow: hidden;
}
.tc-header {
  padding: 14px 16px;
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-lo);
  font-family: var(--font-en);
  background: var(--bg-raised);
}
.tc-cell {
  padding: 16px;
  background: var(--bg-card);
  font-size: 13px; color: var(--text-md);
  display: flex; align-items: center; gap: 6px;
}
.tc-cell.highlight { color: var(--brand); font-weight: 600; }
.tc-row-title {
  padding: 16px;
  background: var(--bg-surface);
  font-size: 13px; font-weight: 600; color: var(--text-hi);
  border-right: 1px solid var(--border);
}
.tc-check { color: var(--green); font-weight: 700; }
.tc-dash { color: var(--text-lo); }

/* 能力雷达/指标区块 */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cap-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 24px;
  transition: all 0.3s;
}
.cap-item:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
}
.cap-name { font-size: 13px; font-weight: 600; color: var(--text-hi); margin-bottom: 12px; }
.cap-bar-wrap {
  height: 4px; background: var(--bg-raised);
  border-radius: 2px; overflow: hidden; margin-bottom: 8px;
}
.cap-bar { height: 100%; background: linear-gradient(90deg, var(--brand), var(--cyan)); border-radius: 2px; }
.cap-score {
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  color: var(--brand); text-align: right;
}

/* 路线图 */
.roadmap-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--border);
  overflow: hidden;
}
.rm-phase {
  background: var(--bg-card);
  padding: 28px 24px;
}
.rm-quarter {
  font-size: 10px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--brand);
  font-family: var(--font-en); margin-bottom: 8px;
}
.rm-phase-title { font-size: 15px; font-weight: 700; color: var(--text-hi); margin-bottom: 12px; }
.rm-items { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.rm-items li {
  font-size: 12px; color: var(--text-md); line-height: 1.6;
  display: flex; gap: 6px;
}
.rm-items li::before { content: '›'; color: var(--brand); }
.rm-status {
  margin-top: 16px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  font-family: var(--font-en);
}
.rm-status.done { color: var(--green); }
.rm-status.active { color: var(--brand); }
.rm-status.plan { color: var(--text-lo); }
.rm-status::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}

@media (max-width: 1100px) {
  .tech-compare { grid-template-columns: repeat(3, 1fr); overflow-x: auto; }
}
@media (max-width: 900px) {
  .product-main-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap-strip { grid-template-columns: 1fr 1fr; }
  .product-specs { grid-template-columns: 1fr; }
  .product-card-top { padding: 28px 24px 24px; }
  .product-card-bottom { padding: 20px 24px 24px; }
  .product-card-actions { flex-direction: column; }
  .product-card-actions .btn-primary,
  .product-card-actions .btn-outline { width: 100%; justify-content: center; }
}
@media (max-width: 768px) {
  .tech-compare {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  .tech-compare table { min-width: 500px; }
}
@media (max-width: 600px) {
  .capability-grid { grid-template-columns: 1fr; }
  .roadmap-strip { grid-template-columns: 1fr; }
  .product-main-card { border-radius: 0; }
}