/* ============================================
   AIC 产品中心样式
   products.html + series-stainless.html 共用
   ============================================ */

/* ---------- Products Hero ---------- */
.products-hero {
  background: var(--ink);
  color: #fff;
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0, 82, 217, 0.35), transparent 55%),
    linear-gradient(135deg, #0A1628 0%, #1B2A41 100%);
}

.products-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 80px 80px;
}

.ph-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.ph-eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--accent-bright);
  letter-spacing: 0.2em;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.products-hero h1 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 60px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}

.products-hero h1 .blue { color: var(--accent-bright); }

.products-hero .lead {
  font-size: 16.5px;
  color: #B8C5DD;
  max-width: 720px;
  line-height: 1.75;
  margin-bottom: 48px;
}

.ph-stats {
  display: grid;
  grid-template-columns: repeat(4, max-content);
  gap: 64px;
}

.ph-stat .v {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 38px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.ph-stat .l {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  color: #7A8AA8;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ---------- Power Filter Bar ---------- */
.power-filter {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 74px;
  z-index: 50;
}

.power-filter-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.pf-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  color: var(--mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pf-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.pf-chip {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  transition: all var(--t-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pf-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pf-chip.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.pf-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  background: var(--warn);
  color: #fff;
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

.pf-quick {
  display: flex;
  gap: 8px;
}

/* ---------- Series Block ---------- */
.series-block {
  padding: 90px 0;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

.series-block.alt {
  background: var(--bg);
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.series-block.alt > * {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}

.series-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
}

.series-head-left { flex: 1; }

.series-tag {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.series-tag.entry { background: #DDF6E5; color: var(--ok); }
.series-tag.commercial { background: var(--accent-light); color: var(--accent); }
.series-tag.industrial { background: var(--ink); color: #fff; }
.series-tag.custom { background: #FCE7F6; color: #C11574; }

.series-head h2 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.series-head h2 .count {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  font-weight: 500;
  color: var(--mute);
  letter-spacing: 0.02em;
}

.series-head .desc {
  font-size: 14.5px;
  color: var(--mute);
  line-height: 1.75;
  max-width: 720px;
}

/* ---------- Model Grid ---------- */
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.model-grid.two-cols {
  grid-template-columns: repeat(2, 1fr);
}

.model-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
}

.model-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.model-thumb {
  position: relative;
  background: linear-gradient(135deg, #0A1628 0%, #1B2A41 100%);
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}

.model-thumb-grid {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.model-thumb svg {
  position: relative;
  z-index: 1;
  width: auto;
  height: 200px;
}

.model-badges {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  z-index: 2;
  pointer-events: none;
}

.model-badge {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.model-badge.new { background: rgba(255,255,255,.12); color: #fff; }
.model-badge.hot { background: var(--warn); color: #fff; }
.model-badge.power { background: var(--accent-bright); color: #fff; }
.model-badge.flagship {
  background: linear-gradient(90deg, #FFB84A 0%, var(--warn) 100%);
  color: #fff;
}

.model-body {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.model-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.1em;
}

.model-name {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.model-sub {
  font-size: 13px;
  color: var(--mute);
  line-height: 1.6;
}

.model-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.model-spec .v {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}

.model-spec .v small {
  font-size: 12px;
  font-weight: 500;
  color: var(--mute);
  margin-left: 2px;
}

.model-spec .l {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.08em;
}

.model-scenes {
  font-size: 13px;
  color: var(--steel);
  line-height: 1.7;
}

.model-scenes strong {
  color: var(--ink);
  font-weight: 600;
}

.model-rating {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.stars {
  color: var(--warn);
  font-size: 14px;
  letter-spacing: 1px;
}

.model-rating .label {
  font-size: 12px;
  color: var(--mute);
}

.badge-rec {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 4px;
  letter-spacing: 0.05em;
  margin-left: auto;
}

.model-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.model-actions .btn {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  font-size: 12.5px;
}

/* ---------- Placeholder Card ---------- */
.model-card.placeholder {
  border-style: dashed;
  background: var(--bg-2);
}

.model-card.placeholder .model-thumb {
  background: var(--bg);
  border-bottom: 1px dashed var(--line);
}

.placeholder-icon {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 78px;
  font-weight: 800;
  color: var(--line);
  letter-spacing: -0.03em;
}

.placeholder-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* ---------- Compare Section ---------- */
.compare-section {
  background: var(--ink);
  color: #fff;
  padding: 100px 0;
}

.compare-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
}

.compare-head .left { flex: 1; }
.compare-head .eyebrow { color: var(--accent-bright); }
.compare-head h2 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
}

.compare-head .desc {
  font-size: 14.5px;
  color: #A8B5C7;
  max-width: 440px;
  line-height: 1.75;
}

.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}

.compare-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  color: #E8EDF3;
}

.compare-table thead th {
  padding: 22px 16px;
  text-align: center;
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  vertical-align: middle;
}

.compare-table thead th:first-child {
  text-align: left;
  color: #A8B5C7;
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.compare-table thead th.highlighted {
  background: rgba(0, 82, 217, 0.18);
}

.compare-table .model-tag {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.compare-table .model-cat {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  color: var(--accent-bright);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.compare-table tbody td {
  padding: 16px 14px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 14px;
  text-align: center;
  color: #E8EDF3;
}

.compare-table tbody td:first-child {
  text-align: left;
  color: #A8B5C7;
  font-weight: 500;
  font-size: 13px;
  background: rgba(0,0,0,.15);
}

.compare-table tbody td.val.highlighted {
  background: rgba(0, 82, 217, 0.12);
  color: #fff;
  font-weight: 600;
}

.check-y { color: var(--ok); font-weight: 700; }
.check-n { color: #5A6A85; }

/* ---------- Inquiry CTA ---------- */
.inquiry-cta {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fff;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.inquiry-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255,255,255,.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.4) 1px, transparent 1px);
  background-size: 60px 60px;
}

.inquiry-cta-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  text-align: center;
}

.inquiry-cta-inner .eyebrow {
  color: rgba(255,255,255,.7);
  margin-bottom: 14px;
}

.inquiry-cta-inner h2 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.inquiry-cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,.85);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.inquiry-cta-actions {
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.inquiry-cta-actions .btn-primary {
  background: #fff;
  color: var(--accent);
}

.inquiry-cta-actions .btn-primary:hover {
  background: #F0F4FB;
  color: var(--accent-deep);
}

.inquiry-cta-actions .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.4);
}

.inquiry-cta-actions .btn-ghost:hover {
  background: #fff;
  color: var(--accent);
  border-color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .products-hero h1 { font-size: 44px; }
  .ph-stats { gap: 36px; }
  .power-filter { position: static; }
  .model-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .products-hero { padding: 56px 0 70px; }
  .products-hero h1 { font-size: 34px; }
  .ph-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .series-block, .series-block.alt > * { padding-left: 20px; padding-right: 20px; }
  .series-head { flex-direction: column; align-items: flex-start; }
  .series-head h2 { font-size: 32px; }
  .model-grid, .model-grid.two-cols { grid-template-columns: 1fr; }
  .compare-head h2, .inquiry-cta-inner h2 { font-size: 32px; }
}